1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2017 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
55 void * data, asection *input_section, bfd *output_bfd,
56 bfd_vma *prelocation, bfd_vma *pinsn)
59 reloc_howto_type *howto = reloc_entry->howto;
61 if (output_bfd != (bfd *) NULL
62 && (symbol->flags & BSF_SECTION_SYM) == 0
63 && (! howto->partial_inplace
64 || reloc_entry->addend == 0))
66 reloc_entry->address += input_section->output_offset;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd != NULL)
72 return bfd_reloc_continue;
74 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
75 return bfd_reloc_outofrange;
77 relocation = (symbol->value
78 + symbol->section->output_section->vma
79 + symbol->section->output_offset);
80 relocation += reloc_entry->addend;
81 if (howto->pc_relative)
83 relocation -= (input_section->output_section->vma
84 + input_section->output_offset);
85 relocation -= reloc_entry->address;
88 *prelocation = relocation;
89 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
90 return bfd_reloc_other;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
97 arelent *reloc_entry ATTRIBUTE_UNUSED,
98 asymbol *symbol ATTRIBUTE_UNUSED,
99 void * data ATTRIBUTE_UNUSED,
100 asection *input_section ATTRIBUTE_UNUSED,
101 bfd *output_bfd ATTRIBUTE_UNUSED,
102 char **error_message ATTRIBUTE_UNUSED)
104 return bfd_reloc_notsupported;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
111 void * data, asection *input_section, bfd *output_bfd,
112 char **error_message ATTRIBUTE_UNUSED)
116 bfd_reloc_status_type status;
118 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
119 input_section, output_bfd, &relocation, &insn);
120 if (status != bfd_reloc_other)
123 insn &= ~ (bfd_vma) 0x303fff;
124 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
125 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
127 if ((bfd_signed_vma) relocation < - 0x40000
128 || (bfd_signed_vma) relocation > 0x3ffff)
129 return bfd_reloc_overflow;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
138 void * data, asection *input_section, bfd *output_bfd,
139 char **error_message ATTRIBUTE_UNUSED)
143 bfd_reloc_status_type status;
145 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
146 input_section, output_bfd, &relocation, &insn);
147 if (status != bfd_reloc_other)
150 insn &= ~ (bfd_vma) 0x181fe0;
151 insn |= (((relocation >> 2) & 0x300) << 11)
152 | (((relocation >> 2) & 0xff) << 5);
153 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
155 if ((bfd_signed_vma) relocation < - 0x1000
156 || (bfd_signed_vma) relocation > 0xfff)
157 return bfd_reloc_overflow;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
166 void * data, asection *input_section, bfd *output_bfd,
167 char **error_message ATTRIBUTE_UNUSED)
171 bfd_reloc_status_type status;
173 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
174 input_section, output_bfd, &relocation, &insn);
175 if (status != bfd_reloc_other)
178 relocation ^= MINUS_ONE;
179 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
180 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
182 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
183 return bfd_reloc_overflow;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
192 void * data, asection *input_section, bfd *output_bfd,
193 char **error_message ATTRIBUTE_UNUSED)
197 bfd_reloc_status_type status;
199 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
200 input_section, output_bfd, &relocation, &insn);
201 if (status != bfd_reloc_other)
204 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
205 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
210 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
212 HOWTO(R_SPARC_NONE, 0,3, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
213 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
214 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
215 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
216 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
217 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
218 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
219 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
220 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
221 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
222 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
223 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
224 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
225 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
226 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
227 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
228 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
229 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
230 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
231 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
232 HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
233 HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
234 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
235 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
236 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
237 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
238 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
239 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
240 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
241 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
242 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
243 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
244 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
245 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
246 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
247 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
248 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
249 HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE),
250 HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE),
251 HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE),
252 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
253 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
254 HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE),
255 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
256 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
257 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
258 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
259 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
260 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
261 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
262 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
263 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
264 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
265 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
266 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
267 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
268 HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
269 HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
270 HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
271 HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
272 HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
273 HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
274 HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
275 HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
276 HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
277 HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
278 HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
279 HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
280 HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
281 HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
282 HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
283 HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
284 HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
285 HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
286 HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
287 HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
288 HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
289 HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
290 HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
291 HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE),
292 HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
293 HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
296 HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
297 HOWTO(R_SPARC_H34,12,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,"R_SPARC_H34",FALSE,0,0x003fffff,FALSE),
298 HOWTO(R_SPARC_SIZE32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE32",FALSE,0,0xffffffff,TRUE),
299 HOWTO(R_SPARC_SIZE64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE64",FALSE,0,MINUS_ONE, TRUE),
300 HOWTO(R_SPARC_WDISP10,2,2,10,TRUE, 0,complain_overflow_signed,sparc_elf_wdisp10_reloc,"R_SPARC_WDISP10",FALSE,0,0x00000000,TRUE),
302 static reloc_howto_type sparc_jmp_irel_howto =
303 HOWTO(R_SPARC_JMP_IREL, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
304 static reloc_howto_type sparc_irelative_howto =
305 HOWTO(R_SPARC_IRELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
306 static reloc_howto_type sparc_vtinherit_howto =
307 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
308 static reloc_howto_type sparc_vtentry_howto =
309 HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE);
310 static reloc_howto_type sparc_rev32_howto =
311 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
314 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
315 bfd_reloc_code_real_type code)
317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
322 return &_bfd_sparc_elf_howto_table[R_SPARC_NONE];
325 return &_bfd_sparc_elf_howto_table[R_SPARC_8];
328 return &_bfd_sparc_elf_howto_table[R_SPARC_16];
331 return &_bfd_sparc_elf_howto_table[R_SPARC_32];
333 case BFD_RELOC_8_PCREL:
334 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP8];
336 case BFD_RELOC_16_PCREL:
337 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP16];
339 case BFD_RELOC_32_PCREL:
340 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP32];
342 case BFD_RELOC_32_PCREL_S2:
343 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP30];
345 case BFD_RELOC_SPARC_WDISP22:
346 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP22];
349 return &_bfd_sparc_elf_howto_table[R_SPARC_HI22];
351 case BFD_RELOC_SPARC22:
352 return &_bfd_sparc_elf_howto_table[R_SPARC_22];
354 case BFD_RELOC_SPARC13:
355 return &_bfd_sparc_elf_howto_table[R_SPARC_13];
358 return &_bfd_sparc_elf_howto_table[R_SPARC_LO10];
360 case BFD_RELOC_SPARC_GOT10:
361 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT10];
363 case BFD_RELOC_SPARC_GOT13:
364 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT13];
366 case BFD_RELOC_SPARC_GOT22:
367 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT22];
369 case BFD_RELOC_SPARC_PC10:
370 return &_bfd_sparc_elf_howto_table[R_SPARC_PC10];
372 case BFD_RELOC_SPARC_PC22:
373 return &_bfd_sparc_elf_howto_table[R_SPARC_PC22];
375 case BFD_RELOC_SPARC_WPLT30:
376 return &_bfd_sparc_elf_howto_table[R_SPARC_WPLT30];
378 case BFD_RELOC_SPARC_COPY:
379 return &_bfd_sparc_elf_howto_table[R_SPARC_COPY];
381 case BFD_RELOC_SPARC_GLOB_DAT:
382 return &_bfd_sparc_elf_howto_table[R_SPARC_GLOB_DAT];
384 case BFD_RELOC_SPARC_JMP_SLOT:
385 return &_bfd_sparc_elf_howto_table[R_SPARC_JMP_SLOT];
387 case BFD_RELOC_SPARC_RELATIVE:
388 return &_bfd_sparc_elf_howto_table[R_SPARC_RELATIVE];
390 case BFD_RELOC_SPARC_UA32:
391 return &_bfd_sparc_elf_howto_table[R_SPARC_UA32];
393 case BFD_RELOC_SPARC_PLT32:
394 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT32];
396 case BFD_RELOC_SPARC_10:
397 return &_bfd_sparc_elf_howto_table[R_SPARC_10];
399 case BFD_RELOC_SPARC_11:
400 return &_bfd_sparc_elf_howto_table[R_SPARC_11];
402 case BFD_RELOC_SPARC_64:
403 return &_bfd_sparc_elf_howto_table[R_SPARC_64];
405 case BFD_RELOC_SPARC_OLO10:
406 return &_bfd_sparc_elf_howto_table[R_SPARC_OLO10];
408 case BFD_RELOC_SPARC_HH22:
409 return &_bfd_sparc_elf_howto_table[R_SPARC_HH22];
411 case BFD_RELOC_SPARC_HM10:
412 return &_bfd_sparc_elf_howto_table[R_SPARC_HM10];
414 case BFD_RELOC_SPARC_LM22:
415 return &_bfd_sparc_elf_howto_table[R_SPARC_LM22];
417 case BFD_RELOC_SPARC_PC_HH22:
418 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HH22];
420 case BFD_RELOC_SPARC_PC_HM10:
421 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HM10];
423 case BFD_RELOC_SPARC_PC_LM22:
424 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_LM22];
426 case BFD_RELOC_SPARC_WDISP16:
427 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP16];
429 case BFD_RELOC_SPARC_WDISP19:
430 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP19];
432 case BFD_RELOC_SPARC_7:
433 return &_bfd_sparc_elf_howto_table[R_SPARC_7];
435 case BFD_RELOC_SPARC_5:
436 return &_bfd_sparc_elf_howto_table[R_SPARC_5];
438 case BFD_RELOC_SPARC_6:
439 return &_bfd_sparc_elf_howto_table[R_SPARC_6];
441 case BFD_RELOC_SPARC_DISP64:
442 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP64];
444 case BFD_RELOC_SPARC_PLT64:
445 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT64];
447 case BFD_RELOC_SPARC_HIX22:
448 return &_bfd_sparc_elf_howto_table[R_SPARC_HIX22];
450 case BFD_RELOC_SPARC_LOX10:
451 return &_bfd_sparc_elf_howto_table[R_SPARC_LOX10];
453 case BFD_RELOC_SPARC_H44:
454 return &_bfd_sparc_elf_howto_table[R_SPARC_H44];
456 case BFD_RELOC_SPARC_M44:
457 return &_bfd_sparc_elf_howto_table[R_SPARC_M44];
459 case BFD_RELOC_SPARC_L44:
460 return &_bfd_sparc_elf_howto_table[R_SPARC_L44];
462 case BFD_RELOC_SPARC_REGISTER:
463 return &_bfd_sparc_elf_howto_table[R_SPARC_REGISTER];
465 case BFD_RELOC_SPARC_UA64:
466 return &_bfd_sparc_elf_howto_table[R_SPARC_UA64];
468 case BFD_RELOC_SPARC_UA16:
469 return &_bfd_sparc_elf_howto_table[R_SPARC_UA16];
471 case BFD_RELOC_SPARC_TLS_GD_HI22:
472 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_HI22];
474 case BFD_RELOC_SPARC_TLS_GD_LO10:
475 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_LO10];
477 case BFD_RELOC_SPARC_TLS_GD_ADD:
478 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_ADD];
480 case BFD_RELOC_SPARC_TLS_GD_CALL:
481 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_CALL];
483 case BFD_RELOC_SPARC_TLS_LDM_HI22:
484 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_HI22];
486 case BFD_RELOC_SPARC_TLS_LDM_LO10:
487 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_LO10];
489 case BFD_RELOC_SPARC_TLS_LDM_ADD:
490 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_ADD];
492 case BFD_RELOC_SPARC_TLS_LDM_CALL:
493 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_CALL];
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22:
496 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_HIX22];
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10:
499 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_LOX10];
501 case BFD_RELOC_SPARC_TLS_LDO_ADD:
502 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_ADD];
504 case BFD_RELOC_SPARC_TLS_IE_HI22:
505 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_HI22];
507 case BFD_RELOC_SPARC_TLS_IE_LO10:
508 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LO10];
510 case BFD_RELOC_SPARC_TLS_IE_LD:
511 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LD];
513 case BFD_RELOC_SPARC_TLS_IE_LDX:
514 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LDX];
516 case BFD_RELOC_SPARC_TLS_IE_ADD:
517 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_ADD];
519 case BFD_RELOC_SPARC_TLS_LE_HIX22:
520 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_HIX22];
522 case BFD_RELOC_SPARC_TLS_LE_LOX10:
523 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_LOX10];
525 case BFD_RELOC_SPARC_TLS_DTPMOD32:
526 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD32];
528 case BFD_RELOC_SPARC_TLS_DTPMOD64:
529 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD64];
531 case BFD_RELOC_SPARC_TLS_DTPOFF32:
532 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF32];
534 case BFD_RELOC_SPARC_TLS_DTPOFF64:
535 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF64];
537 case BFD_RELOC_SPARC_TLS_TPOFF32:
538 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF32];
540 case BFD_RELOC_SPARC_TLS_TPOFF64:
541 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF64];
543 case BFD_RELOC_SPARC_GOTDATA_HIX22:
544 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_HIX22];
546 case BFD_RELOC_SPARC_GOTDATA_LOX10:
547 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_LOX10];
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22:
550 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_HIX22];
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10:
553 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_LOX10];
555 case BFD_RELOC_SPARC_GOTDATA_OP:
556 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP];
558 case BFD_RELOC_SPARC_H34:
559 return &_bfd_sparc_elf_howto_table[R_SPARC_H34];
561 case BFD_RELOC_SPARC_SIZE32:
562 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE32];
564 case BFD_RELOC_SPARC_SIZE64:
565 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE64];
567 case BFD_RELOC_SPARC_WDISP10:
568 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP10];
570 case BFD_RELOC_SPARC_JMP_IREL:
571 return &sparc_jmp_irel_howto;
573 case BFD_RELOC_SPARC_IRELATIVE:
574 return &sparc_irelative_howto;
576 case BFD_RELOC_VTABLE_INHERIT:
577 return &sparc_vtinherit_howto;
579 case BFD_RELOC_VTABLE_ENTRY:
580 return &sparc_vtentry_howto;
582 case BFD_RELOC_SPARC_REV32:
583 return &sparc_rev32_howto;
588 bfd_set_error (bfd_error_bad_value);
593 _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
599 i < (sizeof (_bfd_sparc_elf_howto_table)
600 / sizeof (_bfd_sparc_elf_howto_table[0]));
602 if (_bfd_sparc_elf_howto_table[i].name != NULL
603 && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
604 return &_bfd_sparc_elf_howto_table[i];
606 if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
607 return &sparc_vtinherit_howto;
608 if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
609 return &sparc_vtentry_howto;
610 if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
611 return &sparc_rev32_howto;
617 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type)
621 case R_SPARC_JMP_IREL:
622 return &sparc_jmp_irel_howto;
624 case R_SPARC_IRELATIVE:
625 return &sparc_irelative_howto;
627 case R_SPARC_GNU_VTINHERIT:
628 return &sparc_vtinherit_howto;
630 case R_SPARC_GNU_VTENTRY:
631 return &sparc_vtentry_howto;
634 return &sparc_rev32_howto;
637 if (r_type >= (unsigned int) R_SPARC_max_std)
639 _bfd_error_handler (_("invalid relocation type %d"), (int) r_type);
640 r_type = R_SPARC_NONE;
642 return &_bfd_sparc_elf_howto_table[r_type];
646 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
647 so just take advantage of that. */
648 #define SPARC_ELF_R_TYPE(r_info) \
652 _bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
653 Elf_Internal_Rela *dst)
655 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
657 cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type);
661 /* The nop opcode we use. */
662 #define SPARC_NOP 0x01000000
664 #define SPARC_INSN_BYTES 4
666 /* The SPARC linker needs to keep track of the number of relocs that it
667 decides to copy as dynamic relocs in check_relocs for each symbol.
668 This is so that it can later discard them if they are found to be
669 unnecessary. We store the information in a field extending the
670 regular ELF linker hash table. */
672 struct _bfd_sparc_elf_dyn_relocs
674 struct _bfd_sparc_elf_dyn_relocs *next;
676 /* The input section of the reloc. */
679 /* Total number of relocs copied for the input section. */
682 /* Number of pc-relative relocs copied for the input section. */
683 bfd_size_type pc_count;
686 /* Is an undefined weak symbol resolved to 0 ?
687 Reference to an undefined weak symbol is resolved to 0 when
688 building an executable if it isn't dynamic and
689 1. Has non-GOT/non-PLT relocations in text section.
691 2. Has no GOT/PLT relocation. */
692 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
693 ((EH)->elf.root.type == bfd_link_hash_undefweak \
694 && bfd_link_executable (INFO) \
695 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
696 || !(EH)->has_got_reloc \
697 || (EH)->has_non_got_reloc \
698 || !(INFO)->dynamic_undefined_weak))
700 /* SPARC ELF linker hash entry. */
702 struct _bfd_sparc_elf_link_hash_entry
704 struct elf_link_hash_entry elf;
706 /* Track dynamic relocs copied for this symbol. */
707 struct _bfd_sparc_elf_dyn_relocs *dyn_relocs;
709 #define GOT_UNKNOWN 0
713 unsigned char tls_type;
715 /* Symbol has GOT or PLT relocations. */
716 unsigned int has_got_reloc : 1;
718 /* Symbol has non-GOT/non-PLT relocations in text sections. */
719 unsigned int has_non_got_reloc : 1;
723 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
725 struct _bfd_sparc_elf_obj_tdata
727 struct elf_obj_tdata root;
729 /* tls_type for each local got entry. */
730 char *local_got_tls_type;
732 /* TRUE if TLS GD relocs has been seen for this object. */
733 bfd_boolean has_tlsgd;
736 #define _bfd_sparc_elf_tdata(abfd) \
737 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
739 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
740 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
742 #define is_sparc_elf(bfd) \
743 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
744 && elf_tdata (bfd) != NULL \
745 && elf_object_id (bfd) == SPARC_ELF_DATA)
748 _bfd_sparc_elf_mkobject (bfd *abfd)
750 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
755 sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
757 bfd_put_32 (abfd, val, ptr);
761 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
763 bfd_put_64 (abfd, val, ptr);
767 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
769 const struct elf_backend_data *bed;
772 bed = get_elf_backend_data (abfd);
773 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
774 bed->s->swap_reloca_out (abfd, rel, loc);
778 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
779 bfd_vma rel_index ATTRIBUTE_UNUSED,
780 bfd_vma type ATTRIBUTE_UNUSED)
782 return ELF64_R_INFO (rel_index,
784 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
789 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
790 bfd_vma rel_index, bfd_vma type)
792 return ELF32_R_INFO (rel_index, type);
796 sparc_elf_r_symndx_64 (bfd_vma r_info)
798 bfd_vma r_symndx = ELF32_R_SYM (r_info);
799 return (r_symndx >> 24);
803 sparc_elf_r_symndx_32 (bfd_vma r_info)
805 return ELF32_R_SYM (r_info);
810 #define PLT32_ENTRY_SIZE 12
811 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
813 /* The first four entries in a 32-bit procedure linkage table are reserved,
814 and the initial contents are unimportant (we zero them out).
815 Subsequent entries look like this. See the SVR4 ABI SPARC
816 supplement to see how this works. */
818 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
819 #define PLT32_ENTRY_WORD0 0x03000000
820 /* b,a .plt0. We fill in the offset later. */
821 #define PLT32_ENTRY_WORD1 0x30800000
823 #define PLT32_ENTRY_WORD2 SPARC_NOP
826 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
827 bfd_vma max ATTRIBUTE_UNUSED,
830 bfd_put_32 (output_bfd,
831 PLT32_ENTRY_WORD0 + offset,
832 splt->contents + offset);
833 bfd_put_32 (output_bfd,
835 + (((- (offset + 4)) >> 2) & 0x3fffff)),
836 splt->contents + offset + 4);
837 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
838 splt->contents + offset + 8);
842 return offset / PLT32_ENTRY_SIZE - 4;
845 /* Both the headers and the entries are icache aligned. */
846 #define PLT64_ENTRY_SIZE 32
847 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
848 #define PLT64_LARGE_THRESHOLD 32768
851 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
852 bfd_vma max, bfd_vma *r_offset)
854 unsigned char *entry = splt->contents + offset;
855 const unsigned int nop = SPARC_NOP;
858 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
860 unsigned int sethi, ba;
864 plt_index = (offset / PLT64_ENTRY_SIZE);
866 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
868 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
870 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
871 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
872 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
873 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
874 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
875 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
876 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
877 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
883 int block, last_block, ofs, last_ofs, chunks_this_block;
884 const int insn_chunk_size = (6 * 4);
885 const int ptr_chunk_size = (1 * 8);
886 const int entries_per_block = 160;
887 const int block_size = entries_per_block * (insn_chunk_size
890 /* Entries 32768 and higher are grouped into blocks of 160.
891 The blocks are further subdivided into 160 sequences of
892 6 instructions and 160 pointers. If a block does not require
893 the full 160 entries, let's say it requires N, then there
894 will be N sequences of 6 instructions and N pointers. */
896 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
897 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
899 block = offset / block_size;
900 last_block = max / block_size;
901 if (block != last_block)
903 chunks_this_block = 160;
907 last_ofs = max % block_size;
908 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
911 ofs = offset % block_size;
913 plt_index = (PLT64_LARGE_THRESHOLD +
915 (ofs / insn_chunk_size));
918 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
919 + (block * block_size)
920 + (chunks_this_block * insn_chunk_size)
921 + (ofs / insn_chunk_size) * ptr_chunk_size;
923 *r_offset = (bfd_vma) (ptr - splt->contents);
925 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
933 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
934 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
935 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
936 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
937 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
938 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
940 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
943 return plt_index - 4;
946 /* The format of the first PLT entry in a VxWorks executable. */
947 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
949 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
950 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
951 0xc4008000, /* ld [ %g2 ], %g2 */
952 0x81c08000, /* jmp %g2 */
956 /* The format of subsequent PLT entries. */
957 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
959 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
960 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
961 0xc2004000, /* ld [ %g1 ], %g1 */
962 0x81c04000, /* jmp %g1 */
963 0x01000000, /* nop */
964 0x03000000, /* sethi %hi(f@pltindex), %g1 */
965 0x10800000, /* b _PLT_resolve */
966 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
969 /* The format of the first PLT entry in a VxWorks shared object. */
970 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
972 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
973 0x81c08000, /* jmp %g2 */
977 /* The format of subsequent PLT entries. */
978 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
980 0x03000000, /* sethi %hi(f@got), %g1 */
981 0x82106000, /* or %g1, %lo(f@got), %g1 */
982 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
983 0x81c04000, /* jmp %g1 */
984 0x01000000, /* nop */
985 0x03000000, /* sethi %hi(f@pltindex), %g1 */
986 0x10800000, /* b _PLT_resolve */
987 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
990 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
991 htab->put_word(bfd, val, ptr)
993 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
994 htab->r_info(in_rel, index, type)
996 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
997 htab->r_symndx(r_info)
999 #define SPARC_ELF_WORD_BYTES(htab) \
1000 htab->bytes_per_word
1002 #define SPARC_ELF_RELA_BYTES(htab) \
1003 htab->bytes_per_rela
1005 #define SPARC_ELF_DTPOFF_RELOC(htab) \
1008 #define SPARC_ELF_DTPMOD_RELOC(htab) \
1011 #define SPARC_ELF_TPOFF_RELOC(htab) \
1014 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1015 htab->build_plt_entry (obfd, splt, off, max, r_off)
1017 /* Create an entry in an SPARC ELF linker hash table. */
1019 static struct bfd_hash_entry *
1020 link_hash_newfunc (struct bfd_hash_entry *entry,
1021 struct bfd_hash_table *table, const char *string)
1023 /* Allocate the structure if it has not already been allocated by a
1027 entry = bfd_hash_allocate (table,
1028 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1033 /* Call the allocation method of the superclass. */
1034 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1037 struct _bfd_sparc_elf_link_hash_entry *eh;
1039 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1040 eh->dyn_relocs = NULL;
1041 eh->tls_type = GOT_UNKNOWN;
1042 eh->has_got_reloc = 0;
1043 eh->has_non_got_reloc = 0;
1049 /* The name of the dynamic interpreter. This is put in the .interp
1052 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1053 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1055 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1056 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1057 as global symbol. We reuse indx and dynstr_index for local symbol
1058 hash since they aren't used by global symbols in this backend. */
1061 elf_sparc_local_htab_hash (const void *ptr)
1063 struct elf_link_hash_entry *h
1064 = (struct elf_link_hash_entry *) ptr;
1065 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1068 /* Compare local hash entries. */
1071 elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1073 struct elf_link_hash_entry *h1
1074 = (struct elf_link_hash_entry *) ptr1;
1075 struct elf_link_hash_entry *h2
1076 = (struct elf_link_hash_entry *) ptr2;
1078 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1081 /* Find and/or create a hash entry for local symbol. */
1083 static struct elf_link_hash_entry *
1084 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1085 bfd *abfd, const Elf_Internal_Rela *rel,
1088 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1089 asection *sec = abfd->sections;
1090 unsigned long r_symndx;
1094 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1095 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1097 e.elf.indx = sec->id;
1098 e.elf.dynstr_index = r_symndx;
1099 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1100 create ? INSERT : NO_INSERT);
1107 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1111 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1112 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1113 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1116 memset (ret, 0, sizeof (*ret));
1117 ret->elf.indx = sec->id;
1118 ret->elf.dynstr_index = r_symndx;
1119 ret->elf.dynindx = -1;
1120 ret->elf.plt.offset = (bfd_vma) -1;
1121 ret->elf.got.offset = (bfd_vma) -1;
1127 /* Destroy a SPARC ELF linker hash table. */
1130 _bfd_sparc_elf_link_hash_table_free (bfd *obfd)
1132 struct _bfd_sparc_elf_link_hash_table *htab
1133 = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
1135 if (htab->loc_hash_table)
1136 htab_delete (htab->loc_hash_table);
1137 if (htab->loc_hash_memory)
1138 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1139 _bfd_elf_link_hash_table_free (obfd);
1142 /* Create a SPARC ELF linker hash table. */
1144 struct bfd_link_hash_table *
1145 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1147 struct _bfd_sparc_elf_link_hash_table *ret;
1148 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1150 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1154 if (ABI_64_P (abfd))
1156 ret->put_word = sparc_put_word_64;
1157 ret->r_info = sparc_elf_r_info_64;
1158 ret->r_symndx = sparc_elf_r_symndx_64;
1159 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1160 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1161 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1162 ret->word_align_power = 3;
1163 ret->align_power_max = 4;
1164 ret->bytes_per_word = 8;
1165 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1166 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1167 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1169 ret->build_plt_entry = sparc64_plt_entry_build;
1170 ret->plt_header_size = PLT64_HEADER_SIZE;
1171 ret->plt_entry_size = PLT64_ENTRY_SIZE;
1175 ret->put_word = sparc_put_word_32;
1176 ret->r_info = sparc_elf_r_info_32;
1177 ret->r_symndx = sparc_elf_r_symndx_32;
1178 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1179 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1180 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1181 ret->word_align_power = 2;
1182 ret->align_power_max = 3;
1183 ret->bytes_per_word = 4;
1184 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1185 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1186 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1188 ret->build_plt_entry = sparc32_plt_entry_build;
1189 ret->plt_header_size = PLT32_HEADER_SIZE;
1190 ret->plt_entry_size = PLT32_ENTRY_SIZE;
1193 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1194 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1201 ret->loc_hash_table = htab_try_create (1024,
1202 elf_sparc_local_htab_hash,
1203 elf_sparc_local_htab_eq,
1205 ret->loc_hash_memory = objalloc_create ();
1206 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1208 _bfd_sparc_elf_link_hash_table_free (abfd);
1211 ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
1213 return &ret->elf.root;
1216 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1217 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1221 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1222 struct bfd_link_info *info)
1224 struct _bfd_sparc_elf_link_hash_table *htab;
1226 htab = _bfd_sparc_elf_hash_table (info);
1227 BFD_ASSERT (htab != NULL);
1229 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1232 if (htab->is_vxworks)
1234 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1236 if (bfd_link_pic (info))
1238 htab->plt_header_size
1239 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1240 htab->plt_entry_size
1241 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1245 htab->plt_header_size
1246 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1247 htab->plt_entry_size
1248 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1252 if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
1253 || (!bfd_link_pic (info) && !htab->elf.srelbss))
1260 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1262 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1263 struct elf_link_hash_table *htab = elf_hash_table (info);
1264 flagword flags, pltflags;
1267 if (htab->irelifunc != NULL || htab->iplt != NULL)
1270 flags = bed->dynamic_sec_flags;
1271 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1273 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1275 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1279 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1280 flags | SEC_READONLY);
1282 || ! bfd_set_section_alignment (abfd, s,
1283 bed->s->log_file_align))
1290 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1293 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1294 struct elf_link_hash_entry *dir,
1295 struct elf_link_hash_entry *ind)
1297 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1299 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1300 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1302 if (eind->dyn_relocs != NULL)
1304 if (edir->dyn_relocs != NULL)
1306 struct _bfd_sparc_elf_dyn_relocs **pp;
1307 struct _bfd_sparc_elf_dyn_relocs *p;
1309 /* Add reloc counts against the indirect sym to the direct sym
1310 list. Merge any entries against the same section. */
1311 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1313 struct _bfd_sparc_elf_dyn_relocs *q;
1315 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1316 if (q->sec == p->sec)
1318 q->pc_count += p->pc_count;
1319 q->count += p->count;
1326 *pp = edir->dyn_relocs;
1329 edir->dyn_relocs = eind->dyn_relocs;
1330 eind->dyn_relocs = NULL;
1333 if (ind->root.type == bfd_link_hash_indirect
1334 && dir->got.refcount <= 0)
1336 edir->tls_type = eind->tls_type;
1337 eind->tls_type = GOT_UNKNOWN;
1340 /* Copy has_got_reloc and has_non_got_reloc. */
1341 edir->has_got_reloc |= eind->has_got_reloc;
1342 edir->has_non_got_reloc |= eind->has_non_got_reloc;
1344 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1348 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1349 int r_type, int is_local)
1351 if (! ABI_64_P (abfd)
1352 && r_type == R_SPARC_TLS_GD_HI22
1353 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1354 r_type = R_SPARC_REV32;
1356 if (bfd_link_pic (info))
1361 case R_SPARC_TLS_GD_HI22:
1363 return R_SPARC_TLS_LE_HIX22;
1364 return R_SPARC_TLS_IE_HI22;
1365 case R_SPARC_TLS_GD_LO10:
1367 return R_SPARC_TLS_LE_LOX10;
1368 return R_SPARC_TLS_IE_LO10;
1369 case R_SPARC_TLS_IE_HI22:
1371 return R_SPARC_TLS_LE_HIX22;
1373 case R_SPARC_TLS_IE_LO10:
1375 return R_SPARC_TLS_LE_LOX10;
1377 case R_SPARC_TLS_LDM_HI22:
1378 return R_SPARC_TLS_LE_HIX22;
1379 case R_SPARC_TLS_LDM_LO10:
1380 return R_SPARC_TLS_LE_LOX10;
1386 /* Look through the relocs for a section during the first phase, and
1387 allocate space in the global offset table or procedure linkage
1391 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1392 asection *sec, const Elf_Internal_Rela *relocs)
1394 struct _bfd_sparc_elf_link_hash_table *htab;
1395 Elf_Internal_Shdr *symtab_hdr;
1396 struct elf_link_hash_entry **sym_hashes;
1397 const Elf_Internal_Rela *rel;
1398 const Elf_Internal_Rela *rel_end;
1401 bfd_boolean checked_tlsgd = FALSE;
1403 if (bfd_link_relocatable (info))
1406 htab = _bfd_sparc_elf_hash_table (info);
1407 BFD_ASSERT (htab != NULL);
1408 symtab_hdr = &elf_symtab_hdr (abfd);
1409 sym_hashes = elf_sym_hashes (abfd);
1413 if (ABI_64_P (abfd))
1414 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1416 num_relocs = sec->reloc_count;
1418 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1420 if (htab->elf.dynobj == NULL)
1421 htab->elf.dynobj = abfd;
1422 if (!create_ifunc_sections (htab->elf.dynobj, info))
1425 rel_end = relocs + num_relocs;
1426 for (rel = relocs; rel < rel_end; rel++)
1428 unsigned int r_type;
1429 unsigned long r_symndx;
1430 struct elf_link_hash_entry *h;
1431 struct _bfd_sparc_elf_link_hash_entry *eh;
1432 Elf_Internal_Sym *isym;
1434 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1435 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1437 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1439 /* xgettext:c-format */
1440 _bfd_error_handler (_("%B: bad symbol index: %d"), abfd, r_symndx);
1445 if (r_symndx < symtab_hdr->sh_info)
1447 /* A local symbol. */
1448 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1453 /* Check relocation against local STT_GNU_IFUNC symbol. */
1454 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1456 h = elf_sparc_get_local_sym_hash (htab, abfd, rel,
1461 /* Fake a STT_GNU_IFUNC symbol. */
1462 h->type = STT_GNU_IFUNC;
1465 h->forced_local = 1;
1466 h->root.type = bfd_link_hash_defined;
1473 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1474 while (h->root.type == bfd_link_hash_indirect
1475 || h->root.type == bfd_link_hash_warning)
1476 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1478 /* PR15323, ref flags aren't set for references in the same
1480 h->root.non_ir_ref_regular = 1;
1483 if (h && h->type == STT_GNU_IFUNC)
1488 h->plt.refcount += 1;
1492 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1493 with R_SPARC_TLS_GD_HI22. */
1494 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1497 case R_SPARC_TLS_GD_HI22:
1499 const Elf_Internal_Rela *relt;
1501 for (relt = rel + 1; relt < rel_end; relt++)
1502 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1503 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1504 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1506 checked_tlsgd = TRUE;
1507 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1510 case R_SPARC_TLS_GD_LO10:
1511 case R_SPARC_TLS_GD_ADD:
1512 case R_SPARC_TLS_GD_CALL:
1513 checked_tlsgd = TRUE;
1514 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1518 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1519 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1523 case R_SPARC_TLS_LDM_HI22:
1524 case R_SPARC_TLS_LDM_LO10:
1525 htab->tls_ldm_got.refcount += 1;
1527 eh->has_got_reloc = 1;
1530 case R_SPARC_TLS_LE_HIX22:
1531 case R_SPARC_TLS_LE_LOX10:
1532 if (bfd_link_pic (info))
1536 case R_SPARC_TLS_IE_HI22:
1537 case R_SPARC_TLS_IE_LO10:
1538 if (bfd_link_pic (info))
1539 info->flags |= DF_STATIC_TLS;
1545 case R_SPARC_GOTDATA_HIX22:
1546 case R_SPARC_GOTDATA_LOX10:
1547 case R_SPARC_GOTDATA_OP_HIX22:
1548 case R_SPARC_GOTDATA_OP_LOX10:
1549 case R_SPARC_TLS_GD_HI22:
1550 case R_SPARC_TLS_GD_LO10:
1551 /* This symbol requires a global offset table entry. */
1553 int tls_type, old_tls_type;
1561 case R_SPARC_GOTDATA_OP_HIX22:
1562 case R_SPARC_GOTDATA_OP_LOX10:
1563 tls_type = GOT_NORMAL;
1565 case R_SPARC_TLS_GD_HI22:
1566 case R_SPARC_TLS_GD_LO10:
1567 tls_type = GOT_TLS_GD;
1569 case R_SPARC_TLS_IE_HI22:
1570 case R_SPARC_TLS_IE_LO10:
1571 tls_type = GOT_TLS_IE;
1577 h->got.refcount += 1;
1578 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1582 bfd_signed_vma *local_got_refcounts;
1584 /* This is a global offset table entry for a local symbol. */
1585 local_got_refcounts = elf_local_got_refcounts (abfd);
1586 if (local_got_refcounts == NULL)
1590 size = symtab_hdr->sh_info;
1591 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1592 local_got_refcounts = ((bfd_signed_vma *)
1593 bfd_zalloc (abfd, size));
1594 if (local_got_refcounts == NULL)
1596 elf_local_got_refcounts (abfd) = local_got_refcounts;
1597 _bfd_sparc_elf_local_got_tls_type (abfd)
1598 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1602 case R_SPARC_GOTDATA_OP_HIX22:
1603 case R_SPARC_GOTDATA_OP_LOX10:
1607 local_got_refcounts[r_symndx] += 1;
1610 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1613 /* If a TLS symbol is accessed using IE at least once,
1614 there is no point to use dynamic model for it. */
1615 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1616 && (old_tls_type != GOT_TLS_GD
1617 || tls_type != GOT_TLS_IE))
1619 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1620 tls_type = old_tls_type;
1624 /* xgettext:c-format */
1625 (_("%B: `%s' accessed both as normal and thread local symbol"),
1626 abfd, h ? h->root.root.string : "<local>");
1631 if (old_tls_type != tls_type)
1634 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1636 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1640 if (htab->elf.sgot == NULL)
1642 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
1647 eh->has_got_reloc = 1;
1650 case R_SPARC_TLS_GD_CALL:
1651 case R_SPARC_TLS_LDM_CALL:
1652 if (bfd_link_pic (info))
1654 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1656 struct bfd_link_hash_entry *bh = NULL;
1657 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1658 "__tls_get_addr", 0,
1659 bfd_und_section_ptr, 0,
1663 h = (struct elf_link_hash_entry *) bh;
1670 case R_SPARC_WPLT30:
1671 case R_SPARC_HIPLT22:
1672 case R_SPARC_LOPLT10:
1673 case R_SPARC_PCPLT32:
1674 case R_SPARC_PCPLT22:
1675 case R_SPARC_PCPLT10:
1677 /* This symbol requires a procedure linkage table entry. We
1678 actually build the entry in adjust_dynamic_symbol,
1679 because this might be a case of linking PIC code without
1680 linking in any dynamic objects, in which case we don't
1681 need to generate a procedure linkage table after all. */
1685 if (! ABI_64_P (abfd))
1687 /* The Solaris native assembler will generate a WPLT30
1688 reloc for a local symbol if you assemble a call from
1689 one section to another when using -K pic. We treat
1691 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1695 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1696 else if (r_type == R_SPARC_WPLT30)
1699 /* It does not make sense to have a procedure linkage
1700 table entry for a local symbol. */
1701 bfd_set_error (bfd_error_bad_value);
1710 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1711 if (this_r_type == R_SPARC_PLT32
1712 || this_r_type == R_SPARC_PLT64)
1715 h->plt.refcount += 1;
1717 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1718 eh->has_got_reloc = 1;
1723 case R_SPARC_PC_HH22:
1724 case R_SPARC_PC_HM10:
1725 case R_SPARC_PC_LM22:
1730 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1735 case R_SPARC_DISP16:
1736 case R_SPARC_DISP32:
1737 case R_SPARC_DISP64:
1738 case R_SPARC_WDISP30:
1739 case R_SPARC_WDISP22:
1740 case R_SPARC_WDISP19:
1741 case R_SPARC_WDISP16:
1742 case R_SPARC_WDISP10:
1772 if (eh != NULL && (sec->flags & SEC_CODE) != 0)
1773 eh->has_non_got_reloc = 1;
1776 if (h != NULL && !bfd_link_pic (info))
1778 /* We may need a .plt entry if the function this reloc
1779 refers to is in a shared lib. */
1780 h->plt.refcount += 1;
1783 /* If we are creating a shared library, and this is a reloc
1784 against a global symbol, or a non PC relative reloc
1785 against a local symbol, then we need to copy the reloc
1786 into the shared library. However, if we are linking with
1787 -Bsymbolic, we do not need to copy a reloc against a
1788 global symbol which is defined in an object we are
1789 including in the link (i.e., DEF_REGULAR is set). At
1790 this point we have not seen all the input files, so it is
1791 possible that DEF_REGULAR is not set now but will be set
1792 later (it is never cleared). In case of a weak definition,
1793 DEF_REGULAR may be cleared later by a strong definition in
1794 a shared library. We account for that possibility below by
1795 storing information in the relocs_copied field of the hash
1796 table entry. A similar situation occurs when creating
1797 shared libraries and symbol visibility changes render the
1800 If on the other hand, we are creating an executable, we
1801 may need to keep relocations for symbols satisfied by a
1802 dynamic library if we manage to avoid copy relocs for the
1804 if ((bfd_link_pic (info)
1805 && (sec->flags & SEC_ALLOC) != 0
1806 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1808 && (! SYMBOLIC_BIND (info, h)
1809 || h->root.type == bfd_link_hash_defweak
1810 || !h->def_regular))))
1811 || (!bfd_link_pic (info)
1812 && (sec->flags & SEC_ALLOC) != 0
1814 && (h->root.type == bfd_link_hash_defweak
1815 || !h->def_regular))
1816 || (!bfd_link_pic (info)
1818 && h->type == STT_GNU_IFUNC))
1820 struct _bfd_sparc_elf_dyn_relocs *p;
1821 struct _bfd_sparc_elf_dyn_relocs **head;
1823 /* When creating a shared object, we must copy these
1824 relocs into the output file. We create a reloc
1825 section in dynobj and make room for the reloc. */
1828 sreloc = _bfd_elf_make_dynamic_reloc_section
1829 (sec, htab->elf.dynobj, htab->word_align_power,
1830 abfd, /*rela?*/ TRUE);
1836 /* If this is a global symbol, we count the number of
1837 relocations we need for this symbol. */
1839 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1842 /* Track dynamic relocs needed for local syms too.
1843 We really need local syms available to do this
1848 BFD_ASSERT (isym != NULL);
1849 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1853 vpp = &elf_section_data (s)->local_dynrel;
1854 head = (struct _bfd_sparc_elf_dyn_relocs **) vpp;
1858 if (p == NULL || p->sec != sec)
1860 bfd_size_type amt = sizeof *p;
1861 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1862 bfd_alloc (htab->elf.dynobj, amt));
1873 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1879 case R_SPARC_GNU_VTINHERIT:
1880 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1884 case R_SPARC_GNU_VTENTRY:
1885 BFD_ASSERT (h != NULL);
1887 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1891 case R_SPARC_REGISTER:
1892 /* Nothing to do. */
1904 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1905 struct bfd_link_info *info,
1906 Elf_Internal_Rela *rel,
1907 struct elf_link_hash_entry *h,
1908 Elf_Internal_Sym *sym)
1911 switch (SPARC_ELF_R_TYPE (rel->r_info))
1913 case R_SPARC_GNU_VTINHERIT:
1914 case R_SPARC_GNU_VTENTRY:
1918 /* FIXME: The test here, in check_relocs and in relocate_section
1919 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
1920 if (bfd_link_pic (info))
1922 switch (SPARC_ELF_R_TYPE (rel->r_info))
1924 case R_SPARC_TLS_GD_CALL:
1925 case R_SPARC_TLS_LDM_CALL:
1926 /* This reloc implicitly references __tls_get_addr. We know
1927 another reloc will reference the same symbol as the one
1928 on this reloc, so the real symbol and section will be
1929 gc marked when processing the other reloc. That lets
1930 us handle __tls_get_addr here. */
1931 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1932 FALSE, FALSE, TRUE);
1933 BFD_ASSERT (h != NULL);
1935 if (h->u.weakdef != NULL)
1936 h->u.weakdef->mark = 1;
1941 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1944 static Elf_Internal_Rela *
1945 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1946 Elf_Internal_Rela *relend,
1949 while (rel < relend)
1951 if (rel->r_offset == offset)
1958 /* Update the got entry reference counts for the section being removed. */
1960 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1961 asection *sec, const Elf_Internal_Rela *relocs)
1963 struct _bfd_sparc_elf_link_hash_table *htab;
1964 Elf_Internal_Shdr *symtab_hdr;
1965 struct elf_link_hash_entry **sym_hashes;
1966 bfd_signed_vma *local_got_refcounts;
1967 const Elf_Internal_Rela *rel, *relend;
1969 if (bfd_link_relocatable (info))
1972 BFD_ASSERT (is_sparc_elf (abfd) || sec->reloc_count == 0);
1974 elf_section_data (sec)->local_dynrel = NULL;
1976 htab = _bfd_sparc_elf_hash_table (info);
1977 BFD_ASSERT (htab != NULL);
1978 symtab_hdr = &elf_symtab_hdr (abfd);
1979 sym_hashes = elf_sym_hashes (abfd);
1980 local_got_refcounts = elf_local_got_refcounts (abfd);
1982 relend = relocs + sec->reloc_count;
1983 for (rel = relocs; rel < relend; rel++)
1985 unsigned long r_symndx;
1986 unsigned int r_type;
1987 struct elf_link_hash_entry *h = NULL;
1989 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1990 if (r_symndx >= symtab_hdr->sh_info)
1992 struct _bfd_sparc_elf_link_hash_entry *eh;
1993 struct _bfd_sparc_elf_dyn_relocs **pp;
1994 struct _bfd_sparc_elf_dyn_relocs *p;
1996 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1997 while (h->root.type == bfd_link_hash_indirect
1998 || h->root.type == bfd_link_hash_warning)
1999 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2000 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2001 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
2004 /* Everything must go for SEC. */
2010 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2011 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
2014 case R_SPARC_TLS_LDM_HI22:
2015 case R_SPARC_TLS_LDM_LO10:
2016 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
2017 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
2020 case R_SPARC_TLS_GD_HI22:
2021 case R_SPARC_TLS_GD_LO10:
2022 case R_SPARC_TLS_IE_HI22:
2023 case R_SPARC_TLS_IE_LO10:
2027 case R_SPARC_GOTDATA_HIX22:
2028 case R_SPARC_GOTDATA_LOX10:
2029 case R_SPARC_GOTDATA_OP_HIX22:
2030 case R_SPARC_GOTDATA_OP_LOX10:
2033 if (h->got.refcount > 0)
2040 case R_SPARC_GOTDATA_OP_HIX22:
2041 case R_SPARC_GOTDATA_OP_LOX10:
2045 if (local_got_refcounts[r_symndx] > 0)
2046 local_got_refcounts[r_symndx]--;
2054 case R_SPARC_PC_HH22:
2055 case R_SPARC_PC_HM10:
2056 case R_SPARC_PC_LM22:
2058 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2063 case R_SPARC_DISP16:
2064 case R_SPARC_DISP32:
2065 case R_SPARC_DISP64:
2066 case R_SPARC_WDISP30:
2067 case R_SPARC_WDISP22:
2068 case R_SPARC_WDISP19:
2069 case R_SPARC_WDISP16:
2070 case R_SPARC_WDISP10:
2098 if (bfd_link_pic (info))
2102 case R_SPARC_WPLT30:
2105 if (h->plt.refcount > 0)
2118 /* Remove undefined weak symbol from the dynamic symbol table if it
2119 is resolved to 0. */
2122 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
2123 struct elf_link_hash_entry *h)
2125 if (h->dynindx != -1
2126 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
2127 _bfd_sparc_elf_hash_entry (h)))
2130 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
2136 /* Adjust a symbol defined by a dynamic object and referenced by a
2137 regular object. The current definition is in some section of the
2138 dynamic object, but we're not including those sections. We have to
2139 change the definition to something the rest of the link can
2143 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2144 struct elf_link_hash_entry *h)
2146 struct _bfd_sparc_elf_link_hash_table *htab;
2147 struct _bfd_sparc_elf_link_hash_entry * eh;
2148 struct _bfd_sparc_elf_dyn_relocs *p;
2151 htab = _bfd_sparc_elf_hash_table (info);
2152 BFD_ASSERT (htab != NULL);
2154 /* Make sure we know what is going on here. */
2155 BFD_ASSERT (htab->elf.dynobj != NULL
2157 || h->type == STT_GNU_IFUNC
2158 || h->u.weakdef != NULL
2161 && !h->def_regular)));
2163 /* If this is a function, put it in the procedure linkage table. We
2164 will fill in the contents of the procedure linkage table later
2165 (although we could actually do it here). The STT_NOTYPE
2166 condition is a hack specifically for the Oracle libraries
2167 delivered for Solaris; for some inexplicable reason, they define
2168 some of their functions as STT_NOTYPE when they really should be
2170 if (h->type == STT_FUNC
2171 || h->type == STT_GNU_IFUNC
2173 || (h->type == STT_NOTYPE
2174 && (h->root.type == bfd_link_hash_defined
2175 || h->root.type == bfd_link_hash_defweak)
2176 && (h->root.u.def.section->flags & SEC_CODE) != 0))
2178 if (h->plt.refcount <= 0
2179 || (h->type != STT_GNU_IFUNC
2180 && (SYMBOL_CALLS_LOCAL (info, h)
2181 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2182 && h->root.type == bfd_link_hash_undefweak))))
2184 /* This case can occur if we saw a WPLT30 reloc in an input
2185 file, but the symbol was never referred to by a dynamic
2186 object, or if all references were garbage collected. In
2187 such a case, we don't actually need to build a procedure
2188 linkage table, and we can just do a WDISP30 reloc instead. */
2189 h->plt.offset = (bfd_vma) -1;
2196 h->plt.offset = (bfd_vma) -1;
2198 /* If this is a weak symbol, and there is a real definition, the
2199 processor independent code will have arranged for us to see the
2200 real definition first, and we can just use the same value. */
2201 if (h->u.weakdef != NULL)
2203 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2204 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2205 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2206 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2210 /* This is a reference to a symbol defined by a dynamic object which
2211 is not a function. */
2213 /* If we are creating a shared library, we must presume that the
2214 only references to the symbol are via the global offset table.
2215 For such cases we need not do anything here; the relocations will
2216 be handled correctly by relocate_section. */
2217 if (bfd_link_pic (info))
2220 /* If there are no references to this symbol that do not use the
2221 GOT, we don't need to generate a copy reloc. */
2222 if (!h->non_got_ref)
2225 /* If -z nocopyreloc was given, we won't generate them either. */
2226 if (info->nocopyreloc)
2232 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2233 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2235 s = p->sec->output_section;
2236 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2240 /* If we didn't find any dynamic relocs in read-only sections, then
2241 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2248 /* We must allocate the symbol in our .dynbss section, which will
2249 become part of the .bss section of the executable. There will be
2250 an entry for this symbol in the .dynsym section. The dynamic
2251 object will contain position independent code, so all references
2252 from the dynamic object to this symbol will go through the global
2253 offset table. The dynamic linker will use the .dynsym entry to
2254 determine the address it must put in the global offset table, so
2255 both the dynamic object and the regular object will refer to the
2256 same memory location for the variable. */
2258 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2259 to copy the initial value out of the dynamic object and into the
2260 runtime process image. We need to remember the offset into the
2261 .rel.bss section we are going to use. */
2262 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2264 s = htab->elf.sdynrelro;
2265 srel = htab->elf.sreldynrelro;
2269 s = htab->elf.sdynbss;
2270 srel = htab->elf.srelbss;
2272 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2274 srel->size += SPARC_ELF_RELA_BYTES (htab);
2278 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2281 /* Allocate space in .plt, .got and associated reloc sections for
2285 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2287 struct bfd_link_info *info;
2288 struct _bfd_sparc_elf_link_hash_table *htab;
2289 struct _bfd_sparc_elf_link_hash_entry *eh;
2290 struct _bfd_sparc_elf_dyn_relocs *p;
2291 bfd_boolean resolved_to_zero;
2293 if (h->root.type == bfd_link_hash_indirect)
2296 info = (struct bfd_link_info *) inf;
2297 htab = _bfd_sparc_elf_hash_table (info);
2298 BFD_ASSERT (htab != NULL);
2300 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2301 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
2303 if ((htab->elf.dynamic_sections_created
2304 && h->plt.refcount > 0)
2305 || (h->type == STT_GNU_IFUNC
2309 /* Make sure this symbol is output as a dynamic symbol.
2310 Undefined weak syms won't yet be marked as dynamic. */
2311 if (h->dynindx == -1
2313 && !resolved_to_zero
2314 && h->root.type == bfd_link_hash_undefweak)
2316 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2320 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2321 || (h->type == STT_GNU_IFUNC
2324 asection *s = htab->elf.splt;
2329 /* Allocate room for the header. */
2332 s->size = htab->plt_header_size;
2334 /* Allocate space for the .rela.plt.unloaded relocations. */
2335 if (htab->is_vxworks && !bfd_link_pic (info))
2336 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2339 /* The procedure linkage table size is bounded by the magnitude
2340 of the offset we can describe in the entry. */
2341 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2342 (((bfd_vma)1 << 31) << 1) : 0x400000))
2344 bfd_set_error (bfd_error_bad_value);
2348 if (SPARC_ELF_WORD_BYTES(htab) == 8
2349 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2351 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2354 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2356 h->plt.offset = (s->size - (off * 8));
2359 h->plt.offset = s->size;
2361 /* If this symbol is not defined in a regular file, and we are
2362 not generating a shared library, then set the symbol to this
2363 location in the .plt. This is required to make function
2364 pointers compare as equal between the normal executable and
2365 the shared library. */
2366 if (! bfd_link_pic (info)
2369 h->root.u.def.section = s;
2370 h->root.u.def.value = h->plt.offset;
2373 /* Make room for this entry. */
2374 s->size += htab->plt_entry_size;
2376 /* There should be no PLT relocations against resolved undefined
2377 weak symbols in the executable. */
2378 if (!resolved_to_zero)
2380 /* We also need to make an entry in the .rela.plt section. */
2381 if (s == htab->elf.splt)
2382 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2384 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2387 if (htab->is_vxworks)
2389 /* Allocate space for the .got.plt entry. */
2390 htab->elf.sgotplt->size += 4;
2392 /* ...and for the .rela.plt.unloaded relocations. */
2393 if (!bfd_link_pic (info))
2394 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2399 h->plt.offset = (bfd_vma) -1;
2405 h->plt.offset = (bfd_vma) -1;
2409 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2410 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2411 if (h->got.refcount > 0
2412 && !bfd_link_pic (info)
2414 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2415 h->got.offset = (bfd_vma) -1;
2416 else if (h->got.refcount > 0)
2420 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2422 /* Make sure this symbol is output as a dynamic symbol.
2423 Undefined weak syms won't yet be marked as dynamic. */
2424 if (h->dynindx == -1
2426 && !resolved_to_zero
2427 && h->root.type == bfd_link_hash_undefweak)
2429 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2434 h->got.offset = s->size;
2435 s->size += SPARC_ELF_WORD_BYTES (htab);
2436 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2437 if (tls_type == GOT_TLS_GD)
2438 s->size += SPARC_ELF_WORD_BYTES (htab);
2439 dyn = htab->elf.dynamic_sections_created;
2440 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2441 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2442 global. No dynamic relocations are needed against resolved
2443 undefined weak symbols in an executable. */
2444 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2445 || tls_type == GOT_TLS_IE
2446 || h->type == STT_GNU_IFUNC)
2447 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2448 else if (tls_type == GOT_TLS_GD)
2449 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2450 else if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2451 && !resolved_to_zero)
2452 || h->root.type != bfd_link_hash_undefweak)
2453 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2454 bfd_link_pic (info),
2456 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2459 h->got.offset = (bfd_vma) -1;
2461 if (eh->dyn_relocs == NULL)
2464 /* In the shared -Bsymbolic case, discard space allocated for
2465 dynamic pc-relative relocs against symbols which turn out to be
2466 defined in regular objects. For the normal shared case, discard
2467 space for pc-relative relocs that have become local due to symbol
2468 visibility changes. */
2470 if (bfd_link_pic (info))
2472 if (SYMBOL_CALLS_LOCAL (info, h))
2474 struct _bfd_sparc_elf_dyn_relocs **pp;
2476 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2478 p->count -= p->pc_count;
2487 if (htab->is_vxworks)
2489 struct _bfd_sparc_elf_dyn_relocs **pp;
2491 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2493 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2500 /* Also discard relocs on undefined weak syms with non-default
2501 visibility or in PIE. */
2502 if (eh->dyn_relocs != NULL
2503 && h->root.type == bfd_link_hash_undefweak)
2505 /* An undefined weak symbol is never
2506 bound locally in a shared library. */
2508 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2509 || resolved_to_zero)
2513 /* Keep dynamic non-GOT/non-PLT relocation so that we
2514 can branch to 0 without PLT. */
2515 struct _bfd_sparc_elf_dyn_relocs **pp;
2517 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2518 if (p->pc_count == 0)
2522 /* Remove other relocations. */
2523 p->count = p->pc_count;
2527 if (eh->dyn_relocs != NULL)
2529 /* Make sure undefined weak symbols are output
2530 as dynamic symbols in PIEs for dynamic non-GOT
2531 non-PLT reloations. */
2532 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2537 eh->dyn_relocs = NULL;
2540 /* Make sure undefined weak symbols are output as a dynamic
2542 else if (h->dynindx == -1
2543 && !h->forced_local)
2545 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2552 /* For the non-shared case, discard space for relocs against
2553 symbols which turn out to need copy relocs or are not
2556 if ((!h->non_got_ref
2557 || (h->root.type == bfd_link_hash_undefweak
2558 && !resolved_to_zero))
2561 || (htab->elf.dynamic_sections_created
2562 && (h->root.type == bfd_link_hash_undefweak
2563 || h->root.type == bfd_link_hash_undefined))))
2565 /* Make sure this symbol is output as a dynamic symbol.
2566 Undefined weak syms won't yet be marked as dynamic. */
2567 if (h->dynindx == -1
2569 && !resolved_to_zero
2570 && h->root.type == bfd_link_hash_undefweak)
2572 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2576 /* If that succeeded, we know we'll be keeping all the
2578 if (h->dynindx != -1)
2582 eh->dyn_relocs = NULL;
2587 /* Finally, allocate space. */
2588 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2590 asection *sreloc = elf_section_data (p->sec)->sreloc;
2591 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2597 /* Allocate space in .plt, .got and associated reloc sections for
2598 local dynamic relocs. */
2601 allocate_local_dynrelocs (void **slot, void *inf)
2603 struct elf_link_hash_entry *h
2604 = (struct elf_link_hash_entry *) *slot;
2606 if (h->type != STT_GNU_IFUNC
2610 || h->root.type != bfd_link_hash_defined)
2613 return allocate_dynrelocs (h, inf);
2616 /* Find any dynamic relocs that apply to read-only sections. */
2619 readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2621 struct _bfd_sparc_elf_link_hash_entry *eh;
2622 struct _bfd_sparc_elf_dyn_relocs *p;
2624 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2625 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2627 asection *s = p->sec->output_section;
2629 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2631 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2633 info->flags |= DF_TEXTREL;
2635 /* Not an error, just cut short the traversal. */
2642 /* Return true if the dynamic symbol for a given section should be
2643 omitted when creating a shared library. */
2646 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2647 struct bfd_link_info *info,
2650 /* We keep the .got section symbol so that explicit relocations
2651 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2652 can be turned into relocations against the .got symbol. */
2653 if (strcmp (p->name, ".got") == 0)
2656 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2659 /* Set the sizes of the dynamic sections. */
2662 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2663 struct bfd_link_info *info)
2665 struct _bfd_sparc_elf_link_hash_table *htab;
2670 htab = _bfd_sparc_elf_hash_table (info);
2671 BFD_ASSERT (htab != NULL);
2672 dynobj = htab->elf.dynobj;
2673 BFD_ASSERT (dynobj != NULL);
2675 if (elf_hash_table (info)->dynamic_sections_created)
2677 /* Set the contents of the .interp section to the interpreter. */
2678 if (bfd_link_executable (info) && !info->nointerp)
2680 s = bfd_get_linker_section (dynobj, ".interp");
2681 BFD_ASSERT (s != NULL);
2682 s->size = htab->dynamic_interpreter_size;
2683 s->contents = (unsigned char *) htab->dynamic_interpreter;
2688 /* Set up .got offsets for local syms, and space for local dynamic
2690 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2692 bfd_signed_vma *local_got;
2693 bfd_signed_vma *end_local_got;
2694 char *local_tls_type;
2695 bfd_size_type locsymcount;
2696 Elf_Internal_Shdr *symtab_hdr;
2699 if (! is_sparc_elf (ibfd))
2702 for (s = ibfd->sections; s != NULL; s = s->next)
2704 struct _bfd_sparc_elf_dyn_relocs *p;
2706 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2708 if (!bfd_is_abs_section (p->sec)
2709 && bfd_is_abs_section (p->sec->output_section))
2711 /* Input section has been discarded, either because
2712 it is a copy of a linkonce section or due to
2713 linker script /DISCARD/, so we'll be discarding
2716 else if (htab->is_vxworks
2717 && strcmp (p->sec->output_section->name,
2720 /* Relocations in vxworks .tls_vars sections are
2721 handled specially by the loader. */
2723 else if (p->count != 0)
2725 srel = elf_section_data (p->sec)->sreloc;
2726 if (!htab->elf.dynamic_sections_created)
2727 srel = htab->elf.irelplt;
2728 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2729 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2730 info->flags |= DF_TEXTREL;
2735 local_got = elf_local_got_refcounts (ibfd);
2739 symtab_hdr = &elf_symtab_hdr (ibfd);
2740 locsymcount = symtab_hdr->sh_info;
2741 end_local_got = local_got + locsymcount;
2742 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2744 srel = htab->elf.srelgot;
2745 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2749 *local_got = s->size;
2750 s->size += SPARC_ELF_WORD_BYTES (htab);
2751 if (*local_tls_type == GOT_TLS_GD)
2752 s->size += SPARC_ELF_WORD_BYTES (htab);
2753 if (bfd_link_pic (info)
2754 || *local_tls_type == GOT_TLS_GD
2755 || *local_tls_type == GOT_TLS_IE)
2756 srel->size += SPARC_ELF_RELA_BYTES (htab);
2759 *local_got = (bfd_vma) -1;
2763 if (htab->tls_ldm_got.refcount > 0)
2765 /* Allocate 2 got entries and 1 dynamic reloc for
2766 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2767 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2768 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2769 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2772 htab->tls_ldm_got.offset = -1;
2774 /* Allocate global sym .plt and .got entries, and space for global
2775 sym dynamic relocs. */
2776 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2778 /* Allocate .plt and .got entries, and space for local symbols. */
2779 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2781 if (! ABI_64_P (output_bfd)
2782 && !htab->is_vxworks
2783 && elf_hash_table (info)->dynamic_sections_created)
2785 /* Make space for the trailing nop in .plt. */
2786 if (htab->elf.splt->size > 0)
2787 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2789 /* If the .got section is more than 0x1000 bytes, we add
2790 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2791 bit relocations have a greater chance of working.
2793 FIXME: Make this optimization work for 64-bit too. */
2794 if (htab->elf.sgot->size >= 0x1000
2795 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2796 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2799 /* The check_relocs and adjust_dynamic_symbol entry points have
2800 determined the sizes of the various dynamic sections. Allocate
2802 for (s = dynobj->sections; s != NULL; s = s->next)
2804 if ((s->flags & SEC_LINKER_CREATED) == 0)
2807 if (s == htab->elf.splt
2808 || s == htab->elf.sgot
2809 || s == htab->elf.sdynbss
2810 || s == htab->elf.sdynrelro
2811 || s == htab->elf.iplt
2812 || s == htab->elf.sgotplt)
2814 /* Strip this section if we don't need it; see the
2817 else if (CONST_STRNEQ (s->name, ".rela"))
2821 /* We use the reloc_count field as a counter if we need
2822 to copy relocs into the output file. */
2828 /* It's not one of our sections. */
2834 /* If we don't need this section, strip it from the
2835 output file. This is mostly to handle .rela.bss and
2836 .rela.plt. We must create both sections in
2837 create_dynamic_sections, because they must be created
2838 before the linker maps input sections to output
2839 sections. The linker does that before
2840 adjust_dynamic_symbol is called, and it is that
2841 function which decides whether anything needs to go
2842 into these sections. */
2843 s->flags |= SEC_EXCLUDE;
2847 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2850 /* Allocate memory for the section contents. Zero the memory
2851 for the benefit of .rela.plt, which has 4 unused entries
2852 at the beginning, and we don't want garbage. */
2853 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2854 if (s->contents == NULL)
2858 if (elf_hash_table (info)->dynamic_sections_created)
2860 /* Add some entries to the .dynamic section. We fill in the
2861 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2862 must add the entries now so that we get the correct size for
2863 the .dynamic section. The DT_DEBUG entry is filled in by the
2864 dynamic linker and used by the debugger. */
2865 #define add_dynamic_entry(TAG, VAL) \
2866 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2868 if (bfd_link_executable (info))
2870 if (!add_dynamic_entry (DT_DEBUG, 0))
2874 if (htab->elf.srelplt->size != 0)
2876 if (!add_dynamic_entry (DT_PLTGOT, 0)
2877 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2878 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2879 || !add_dynamic_entry (DT_JMPREL, 0))
2883 if (!add_dynamic_entry (DT_RELA, 0)
2884 || !add_dynamic_entry (DT_RELASZ, 0)
2885 || !add_dynamic_entry (DT_RELAENT,
2886 SPARC_ELF_RELA_BYTES (htab)))
2889 /* If any dynamic relocs apply to a read-only section,
2890 then we need a DT_TEXTREL entry. */
2891 if ((info->flags & DF_TEXTREL) == 0)
2892 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
2894 if (info->flags & DF_TEXTREL)
2896 if (!add_dynamic_entry (DT_TEXTREL, 0))
2900 if (ABI_64_P (output_bfd))
2903 struct _bfd_sparc_elf_app_reg * app_regs;
2904 struct elf_strtab_hash *dynstr;
2905 struct elf_link_hash_table *eht = elf_hash_table (info);
2907 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2908 entries if needed. */
2909 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2910 dynstr = eht->dynstr;
2912 for (reg = 0; reg < 4; reg++)
2913 if (app_regs [reg].name != NULL)
2915 struct elf_link_local_dynamic_entry *entry, *e;
2917 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2920 entry = (struct elf_link_local_dynamic_entry *)
2921 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2925 /* We cheat here a little bit: the symbol will not be local, so we
2926 put it at the end of the dynlocal linked list. We will fix it
2927 later on, as we have to fix other fields anyway. */
2928 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2929 entry->isym.st_size = 0;
2930 if (*app_regs [reg].name != '\0')
2932 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2934 entry->isym.st_name = 0;
2935 entry->isym.st_other = 0;
2936 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2938 entry->isym.st_shndx = app_regs [reg].shndx;
2939 entry->isym.st_target_internal = 0;
2941 entry->input_bfd = output_bfd;
2942 entry->input_indx = -1;
2944 if (eht->dynlocal == NULL)
2945 eht->dynlocal = entry;
2948 for (e = eht->dynlocal; e->next; e = e->next)
2955 if (htab->is_vxworks
2956 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2959 #undef add_dynamic_entry
2965 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2967 if (!sec->used_by_bfd)
2969 struct _bfd_sparc_elf_section_data *sdata;
2970 bfd_size_type amt = sizeof (*sdata);
2972 sdata = bfd_zalloc (abfd, amt);
2975 sec->used_by_bfd = sdata;
2978 return _bfd_elf_new_section_hook (abfd, sec);
2982 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2983 struct bfd_section *section,
2984 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2987 if (bfd_link_relocatable (link_info))
2988 (*link_info->callbacks->einfo)
2989 (_("%P%F: --relax and -r may not be used together\n"));
2992 sec_do_relax (section) = 1;
2996 /* Return the base VMA address which should be subtracted from real addresses
2997 when resolving @dtpoff relocation.
2998 This is PT_TLS segment p_vaddr. */
3001 dtpoff_base (struct bfd_link_info *info)
3003 /* If tls_sec is NULL, we should have signalled an error already. */
3004 if (elf_hash_table (info)->tls_sec == NULL)
3006 return elf_hash_table (info)->tls_sec->vma;
3009 /* Return the relocation value for @tpoff relocation
3010 if STT_TLS virtual address is ADDRESS. */
3013 tpoff (struct bfd_link_info *info, bfd_vma address)
3015 struct elf_link_hash_table *htab = elf_hash_table (info);
3016 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
3017 bfd_vma static_tls_size;
3019 /* If tls_sec is NULL, we should have signalled an error already. */
3020 if (htab->tls_sec == NULL)
3023 /* Consider special static TLS alignment requirements. */
3024 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
3025 return address - static_tls_size - htab->tls_sec->vma;
3028 /* Return the relocation value for a %gdop relocation. */
3031 gdopoff (struct bfd_link_info *info, bfd_vma address)
3033 struct elf_link_hash_table *htab = elf_hash_table (info);
3036 got_base = (htab->hgot->root.u.def.value
3037 + htab->hgot->root.u.def.section->output_offset
3038 + htab->hgot->root.u.def.section->output_section->vma);
3040 return address - got_base;
3043 /* Return whether H is local and its ADDRESS is within 4G of
3044 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
3045 sethi, xor sequence. */
3048 gdop_relative_offset_ok (struct bfd_link_info *info,
3049 struct elf_link_hash_entry *h,
3050 bfd_vma address ATTRIBUTE_UNUSED)
3052 if (!SYMBOL_REFERENCES_LOCAL (info, h))
3054 /* If H is undefined, ADDRESS will be zero. We can't allow a
3055 relative offset to "zero" when producing PIEs or shared libs.
3056 Note that to get here with an undefined symbol it must also be
3057 hidden or internal visibility. */
3058 if (bfd_link_pic (info)
3060 && (h->root.type == bfd_link_hash_undefweak
3061 || h->root.type == bfd_link_hash_undefined))
3064 return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
3070 /* Relocate a SPARC ELF section. */
3073 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
3074 struct bfd_link_info *info,
3076 asection *input_section,
3078 Elf_Internal_Rela *relocs,
3079 Elf_Internal_Sym *local_syms,
3080 asection **local_sections)
3082 struct _bfd_sparc_elf_link_hash_table *htab;
3083 Elf_Internal_Shdr *symtab_hdr;
3084 struct elf_link_hash_entry **sym_hashes;
3085 bfd_vma *local_got_offsets;
3088 Elf_Internal_Rela *rel;
3089 Elf_Internal_Rela *relend;
3091 bfd_boolean is_vxworks_tls;
3093 htab = _bfd_sparc_elf_hash_table (info);
3094 BFD_ASSERT (htab != NULL);
3095 symtab_hdr = &elf_symtab_hdr (input_bfd);
3096 sym_hashes = elf_sym_hashes (input_bfd);
3097 local_got_offsets = elf_local_got_offsets (input_bfd);
3099 if (elf_hash_table (info)->hgot == NULL)
3102 got_base = elf_hash_table (info)->hgot->root.u.def.value;
3104 sreloc = elf_section_data (input_section)->sreloc;
3105 /* We have to handle relocations in vxworks .tls_vars sections
3106 specially, because the dynamic loader is 'weird'. */
3107 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
3108 && !strcmp (input_section->output_section->name,
3112 if (ABI_64_P (output_bfd))
3113 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
3115 num_relocs = input_section->reloc_count;
3116 relend = relocs + num_relocs;
3117 for (; rel < relend; rel++)
3119 int r_type, tls_type;
3120 reloc_howto_type *howto;
3121 unsigned long r_symndx;
3122 struct elf_link_hash_entry *h;
3123 struct _bfd_sparc_elf_link_hash_entry *eh;
3124 Elf_Internal_Sym *sym;
3126 bfd_vma relocation, off;
3127 bfd_reloc_status_type r;
3128 bfd_boolean is_plt = FALSE;
3129 bfd_boolean unresolved_reloc;
3130 bfd_boolean resolved_to_zero;
3131 bfd_boolean relative_reloc;
3133 r_type = SPARC_ELF_R_TYPE (rel->r_info);
3134 if (r_type == R_SPARC_GNU_VTINHERIT
3135 || r_type == R_SPARC_GNU_VTENTRY)
3138 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
3140 bfd_set_error (bfd_error_bad_value);
3143 howto = _bfd_sparc_elf_howto_table + r_type;
3145 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
3149 unresolved_reloc = FALSE;
3150 if (r_symndx < symtab_hdr->sh_info)
3152 sym = local_syms + r_symndx;
3153 sec = local_sections[r_symndx];
3154 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
3156 if (!bfd_link_relocatable (info)
3157 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
3159 /* Relocate against local STT_GNU_IFUNC symbol. */
3160 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
3165 /* Set STT_GNU_IFUNC symbol value. */
3166 h->root.u.def.value = sym->st_value;
3167 h->root.u.def.section = sec;
3172 bfd_boolean warned, ignored;
3174 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
3175 r_symndx, symtab_hdr, sym_hashes,
3177 unresolved_reloc, warned, ignored);
3180 /* To avoid generating warning messages about truncated
3181 relocations, set the relocation's address to be the same as
3182 the start of this section. */
3183 if (input_section->output_section != NULL)
3184 relocation = input_section->output_section->vma;
3190 if (sec != NULL && discarded_section (sec))
3191 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3192 rel, 1, relend, howto, 0, contents);
3194 if (bfd_link_relocatable (info))
3198 && h->type == STT_GNU_IFUNC
3204 if ((input_section->flags & SEC_ALLOC) == 0
3205 || h->plt.offset == (bfd_vma) -1)
3208 plt_sec = htab->elf.splt;
3210 plt_sec =htab->elf.iplt;
3214 case R_SPARC_GOTDATA_OP:
3217 case R_SPARC_GOTDATA_OP_HIX22:
3218 case R_SPARC_GOTDATA_OP_LOX10:
3219 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3222 howto = _bfd_sparc_elf_howto_table + r_type;
3228 if (htab->elf.sgot == NULL)
3230 off = h->got.offset;
3231 if (off == (bfd_vma) -1)
3233 relocation = htab->elf.sgot->output_offset + off - got_base;
3236 case R_SPARC_WPLT30:
3237 case R_SPARC_WDISP30:
3238 relocation = (plt_sec->output_section->vma
3239 + plt_sec->output_offset + h->plt.offset);
3244 if (bfd_link_pic (info) && h->non_got_ref)
3246 Elf_Internal_Rela outrel;
3249 offset = _bfd_elf_section_offset (output_bfd, info,
3252 if (offset == (bfd_vma) -1
3253 || offset == (bfd_vma) -2)
3256 outrel.r_offset = (input_section->output_section->vma
3257 + input_section->output_offset
3260 if (h->dynindx == -1
3262 || bfd_link_executable (info))
3264 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3265 0, R_SPARC_IRELATIVE);
3266 outrel.r_addend = relocation + rel->r_addend;
3270 if (h->dynindx == -1)
3272 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3273 outrel.r_addend = rel->r_addend;
3276 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3280 relocation = (plt_sec->output_section->vma
3281 + plt_sec->output_offset + h->plt.offset);
3286 /* We should only see such relocs in static links. */
3287 if (bfd_link_pic (info))
3289 relocation = (plt_sec->output_section->vma
3290 + plt_sec->output_offset + h->plt.offset);
3294 if (h->root.root.string)
3295 name = h->root.root.string;
3297 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3300 /* xgettext:c-format */
3301 (_("%B: relocation %s against STT_GNU_IFUNC "
3302 "symbol `%s' isn't handled by %s"), input_bfd,
3303 _bfd_sparc_elf_howto_table[r_type].name,
3304 name, __FUNCTION__);
3305 bfd_set_error (bfd_error_bad_value);
3310 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
3311 resolved_to_zero = (eh != NULL
3312 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
3316 case R_SPARC_GOTDATA_OP_HIX22:
3317 case R_SPARC_GOTDATA_OP_LOX10:
3318 if (gdop_relative_offset_ok (info, h, relocation))
3320 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3321 ? R_SPARC_GOTDATA_HIX22
3322 : R_SPARC_GOTDATA_LOX10);
3323 howto = _bfd_sparc_elf_howto_table + r_type;
3327 case R_SPARC_GOTDATA_OP:
3328 if (gdop_relative_offset_ok (info, h, relocation))
3330 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3332 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3333 relocation = 0x80000000 | (insn & 0x3e07c01f);
3334 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3341 case R_SPARC_GOTDATA_HIX22:
3342 case R_SPARC_GOTDATA_LOX10:
3343 relocation = gdopoff (info, relocation);
3346 case R_SPARC_GOTDATA_OP_HIX22:
3347 case R_SPARC_GOTDATA_OP_LOX10:
3351 /* Relocation is to the entry for this symbol in the global
3353 if (htab->elf.sgot == NULL)
3356 relative_reloc = FALSE;
3361 off = h->got.offset;
3362 BFD_ASSERT (off != (bfd_vma) -1);
3363 dyn = elf_hash_table (info)->dynamic_sections_created;
3365 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3366 bfd_link_pic (info),
3368 || (bfd_link_pic (info)
3369 && SYMBOL_REFERENCES_LOCAL (info, h)))
3371 /* This is actually a static link, or it is a
3372 -Bsymbolic link and the symbol is defined
3373 locally, or the symbol was forced to be local
3374 because of a version file. We must initialize
3375 this entry in the global offset table. Since the
3376 offset must always be a multiple of 8 for 64-bit
3377 and 4 for 32-bit, we use the least significant bit
3378 to record whether we have initialized it already.
3380 When doing a dynamic link, we create a .rela.got
3381 relocation entry to initialize the value. This
3382 is done in the finish_dynamic_symbol routine. */
3387 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3388 htab->elf.sgot->contents + off);
3391 if (h->dynindx == -1
3393 && h->root.type != bfd_link_hash_undefweak
3394 && bfd_link_pic (info))
3396 /* If this symbol isn't dynamic in PIC
3397 generate R_SPARC_RELATIVE here. */
3398 relative_reloc = TRUE;
3403 unresolved_reloc = FALSE;
3407 BFD_ASSERT (local_got_offsets != NULL
3408 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3410 off = local_got_offsets[r_symndx];
3412 /* The offset must always be a multiple of 8 on 64-bit and
3413 4 on 32-bit. We use the least significant bit to record
3414 whether we have already processed this entry. */
3419 if (bfd_link_pic (info))
3421 relative_reloc = TRUE;
3424 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3425 htab->elf.sgot->contents + off);
3426 local_got_offsets[r_symndx] |= 1;
3433 Elf_Internal_Rela outrel;
3435 /* We need to generate a R_SPARC_RELATIVE reloc
3436 for the dynamic linker. */
3437 s = htab->elf.srelgot;
3438 BFD_ASSERT (s != NULL);
3440 outrel.r_offset = (htab->elf.sgot->output_section->vma
3441 + htab->elf.sgot->output_offset
3443 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3444 0, R_SPARC_RELATIVE);
3445 outrel.r_addend = relocation;
3447 sparc_elf_append_rela (output_bfd, s, &outrel);
3450 relocation = htab->elf.sgot->output_offset + off - got_base;
3455 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3457 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3462 case R_SPARC_WPLT30:
3463 case R_SPARC_HIPLT22:
3464 case R_SPARC_LOPLT10:
3465 case R_SPARC_PCPLT32:
3466 case R_SPARC_PCPLT22:
3467 case R_SPARC_PCPLT10:
3469 /* Relocation is to the entry for this symbol in the
3470 procedure linkage table. */
3472 if (! ABI_64_P (output_bfd))
3474 /* The Solaris native assembler will generate a WPLT30 reloc
3475 for a local symbol if you assemble a call from one
3476 section to another when using -K pic. We treat it as
3481 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3482 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3486 BFD_ASSERT (h != NULL);
3489 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3491 /* We didn't make a PLT entry for this symbol. This
3492 happens when statically linking PIC code, or when
3493 using -Bsymbolic. */
3497 relocation = (htab->elf.splt->output_section->vma
3498 + htab->elf.splt->output_offset
3500 unresolved_reloc = FALSE;
3501 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3503 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3511 case R_SPARC_PC_HH22:
3512 case R_SPARC_PC_HM10:
3513 case R_SPARC_PC_LM22:
3515 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3519 case R_SPARC_DISP16:
3520 case R_SPARC_DISP32:
3521 case R_SPARC_DISP64:
3522 case R_SPARC_WDISP30:
3523 case R_SPARC_WDISP22:
3524 case R_SPARC_WDISP19:
3525 case R_SPARC_WDISP16:
3526 case R_SPARC_WDISP10:
3554 if ((input_section->flags & SEC_ALLOC) == 0
3558 /* Copy dynamic function pointer relocations. Don't generate
3559 dynamic relocations against resolved undefined weak symbols
3561 if ((bfd_link_pic (info)
3563 || ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3564 && !resolved_to_zero)
3565 || h->root.type != bfd_link_hash_undefweak))
3566 && (! howto->pc_relative
3567 || !SYMBOL_CALLS_LOCAL (info, h)))
3568 || (!bfd_link_pic (info)
3574 || (h->root.type == bfd_link_hash_undefweak
3575 && !resolved_to_zero)
3576 || h->root.type == bfd_link_hash_undefined)))
3578 Elf_Internal_Rela outrel;
3579 bfd_boolean skip, relocate = FALSE;
3581 /* When generating a shared object, these relocations
3582 are copied into the output file to be resolved at run
3585 BFD_ASSERT (sreloc != NULL);
3590 _bfd_elf_section_offset (output_bfd, info, input_section,
3592 if (outrel.r_offset == (bfd_vma) -1)
3594 else if (outrel.r_offset == (bfd_vma) -2)
3595 skip = TRUE, relocate = TRUE;
3596 outrel.r_offset += (input_section->output_section->vma
3597 + input_section->output_offset);
3599 /* Optimize unaligned reloc usage now that we know where
3600 it finally resides. */
3604 if (outrel.r_offset & 1)
3605 r_type = R_SPARC_UA16;
3608 if (!(outrel.r_offset & 1))
3609 r_type = R_SPARC_16;
3612 if (outrel.r_offset & 3)
3613 r_type = R_SPARC_UA32;
3616 if (!(outrel.r_offset & 3))
3617 r_type = R_SPARC_32;
3620 if (outrel.r_offset & 7)
3621 r_type = R_SPARC_UA64;
3624 if (!(outrel.r_offset & 7))
3625 r_type = R_SPARC_64;
3628 case R_SPARC_DISP16:
3629 case R_SPARC_DISP32:
3630 case R_SPARC_DISP64:
3631 /* If the symbol is not dynamic, we should not keep
3632 a dynamic relocation. But an .rela.* slot has been
3633 allocated for it, output R_SPARC_NONE.
3634 FIXME: Add code tracking needed dynamic relocs as
3636 if (h->dynindx == -1)
3637 skip = TRUE, relocate = TRUE;
3642 memset (&outrel, 0, sizeof outrel);
3643 /* h->dynindx may be -1 if the symbol was marked to
3647 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3648 || !bfd_link_pic (info)
3649 || !SYMBOLIC_BIND (info, h)
3650 || !h->def_regular))
3652 BFD_ASSERT (h->dynindx != -1);
3653 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3654 outrel.r_addend = rel->r_addend;
3658 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3659 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
3661 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3662 0, R_SPARC_RELATIVE);
3663 outrel.r_addend = relocation + rel->r_addend;
3669 outrel.r_addend = relocation + rel->r_addend;
3672 sec = htab->elf.splt;
3674 if (bfd_is_abs_section (sec))
3676 else if (sec == NULL || sec->owner == NULL)
3678 bfd_set_error (bfd_error_bad_value);
3685 /* We are turning this relocation into one
3686 against a section symbol. It would be
3687 proper to subtract the symbol's value,
3688 osec->vma, from the emitted reloc addend,
3689 but ld.so expects buggy relocs. */
3690 osec = sec->output_section;
3691 indx = elf_section_data (osec)->dynindx;
3695 osec = htab->elf.text_index_section;
3696 indx = elf_section_data (osec)->dynindx;
3699 /* FIXME: we really should be able to link non-pic
3700 shared libraries. */
3705 (_("%B: probably compiled without -fPIC?"),
3707 bfd_set_error (bfd_error_bad_value);
3712 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3717 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3719 /* This reloc will be computed at runtime, so there's no
3720 need to do anything now. */
3726 case R_SPARC_TLS_GD_HI22:
3727 if (! ABI_64_P (input_bfd)
3728 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
3730 /* R_SPARC_REV32 used the same reloc number as
3731 R_SPARC_TLS_GD_HI22. */
3732 r_type = R_SPARC_REV32;
3737 case R_SPARC_TLS_GD_LO10:
3738 case R_SPARC_TLS_IE_HI22:
3739 case R_SPARC_TLS_IE_LO10:
3740 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
3741 tls_type = GOT_UNKNOWN;
3742 if (h == NULL && local_got_offsets)
3743 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3746 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3747 if (!bfd_link_pic (info)
3749 && tls_type == GOT_TLS_IE)
3750 switch (SPARC_ELF_R_TYPE (rel->r_info))
3752 case R_SPARC_TLS_GD_HI22:
3753 case R_SPARC_TLS_IE_HI22:
3754 r_type = R_SPARC_TLS_LE_HIX22;
3757 r_type = R_SPARC_TLS_LE_LOX10;
3761 if (tls_type == GOT_TLS_IE)
3764 case R_SPARC_TLS_GD_HI22:
3765 r_type = R_SPARC_TLS_IE_HI22;
3767 case R_SPARC_TLS_GD_LO10:
3768 r_type = R_SPARC_TLS_IE_LO10;
3772 if (r_type == R_SPARC_TLS_LE_HIX22)
3774 relocation = tpoff (info, relocation);
3777 if (r_type == R_SPARC_TLS_LE_LOX10)
3779 /* Change add into xor. */
3780 relocation = tpoff (info, relocation);
3781 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3782 contents + rel->r_offset)
3783 | 0x80182000), contents + rel->r_offset);
3789 off = h->got.offset;
3794 BFD_ASSERT (local_got_offsets != NULL);
3795 off = local_got_offsets[r_symndx];
3796 local_got_offsets[r_symndx] |= 1;
3800 if (htab->elf.sgot == NULL)
3807 Elf_Internal_Rela outrel;
3810 if (htab->elf.srelgot == NULL)
3813 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3814 htab->elf.sgot->contents + off);
3815 outrel.r_offset = (htab->elf.sgot->output_section->vma
3816 + htab->elf.sgot->output_offset + off);
3817 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3818 if (r_type == R_SPARC_TLS_IE_HI22
3819 || r_type == R_SPARC_TLS_IE_LO10)
3820 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3822 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3823 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3824 outrel.r_addend = relocation - dtpoff_base (info);
3826 outrel.r_addend = 0;
3827 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3828 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3830 if (r_type == R_SPARC_TLS_GD_HI22
3831 || r_type == R_SPARC_TLS_GD_LO10)
3835 BFD_ASSERT (! unresolved_reloc);
3836 SPARC_ELF_PUT_WORD (htab, output_bfd,
3837 relocation - dtpoff_base (info),
3838 (htab->elf.sgot->contents + off
3839 + SPARC_ELF_WORD_BYTES (htab)));
3843 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3844 (htab->elf.sgot->contents + off
3845 + SPARC_ELF_WORD_BYTES (htab)));
3846 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3847 SPARC_ELF_DTPOFF_RELOC (htab));
3848 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3849 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3853 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3855 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3856 (htab->elf.sgot->contents + off
3857 + SPARC_ELF_WORD_BYTES (htab)));
3861 if (off >= (bfd_vma) -2)
3864 relocation = htab->elf.sgot->output_offset + off - got_base;
3865 unresolved_reloc = FALSE;
3866 howto = _bfd_sparc_elf_howto_table + r_type;
3869 case R_SPARC_TLS_LDM_HI22:
3870 case R_SPARC_TLS_LDM_LO10:
3871 if (! bfd_link_pic (info))
3873 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3876 off = htab->tls_ldm_got.offset;
3877 htab->tls_ldm_got.offset |= 1;
3878 goto r_sparc_tlsldm;
3880 case R_SPARC_TLS_LDO_HIX22:
3881 case R_SPARC_TLS_LDO_LOX10:
3882 if (bfd_link_pic (info))
3884 relocation -= dtpoff_base (info);
3888 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3889 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3892 case R_SPARC_TLS_LE_HIX22:
3893 case R_SPARC_TLS_LE_LOX10:
3894 if (bfd_link_pic (info))
3896 Elf_Internal_Rela outrel;
3899 BFD_ASSERT (sreloc != NULL);
3902 _bfd_elf_section_offset (output_bfd, info, input_section,
3904 if (outrel.r_offset == (bfd_vma) -1)
3906 else if (outrel.r_offset == (bfd_vma) -2)
3908 outrel.r_offset += (input_section->output_section->vma
3909 + input_section->output_offset);
3911 memset (&outrel, 0, sizeof outrel);
3914 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3915 outrel.r_addend = relocation - dtpoff_base (info)
3919 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3922 relocation = tpoff (info, relocation);
3925 case R_SPARC_TLS_LDM_CALL:
3926 if (! bfd_link_pic (info))
3929 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3934 case R_SPARC_TLS_GD_CALL:
3935 tls_type = GOT_UNKNOWN;
3936 if (h == NULL && local_got_offsets)
3937 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3939 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3940 if (! bfd_link_pic (info)
3941 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3943 Elf_Internal_Rela *rel2;
3946 if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
3949 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3954 if (rel + 1 < relend
3955 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3956 && rel[1].r_offset == rel->r_offset + 4
3957 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3958 && (((insn = bfd_get_32 (input_bfd,
3959 contents + rel[1].r_offset))
3960 >> 25) & 0x1f) == 8)
3963 call __tls_get_addr, %tgd_call(foo)
3964 add %reg1, %reg2, %o0, %tgd_add(foo)
3965 and change it into IE:
3966 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3967 add %g7, %o0, %o0, %tie_add(foo).
3968 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3969 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3970 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3971 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3972 contents + rel->r_offset);
3973 bfd_put_32 (output_bfd, 0x9001c008,
3974 contents + rel->r_offset + 4);
3979 /* We cannot just overwrite the delay slot instruction,
3980 as it might be what puts the %o0 argument to
3981 __tls_get_addr into place. So we have to transpose
3982 the delay slot with the add we patch in. */
3983 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3984 bfd_put_32 (output_bfd, insn,
3985 contents + rel->r_offset);
3986 bfd_put_32 (output_bfd, 0x9001c008,
3987 contents + rel->r_offset + 4);
3990 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3994 /* If the instruction we moved has a relocation attached to
3995 it, adjust the offset so that it will apply to the correct
3997 rel2->r_offset -= 4;
4002 h = (struct elf_link_hash_entry *)
4003 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
4005 BFD_ASSERT (h != NULL);
4006 r_type = R_SPARC_WPLT30;
4007 howto = _bfd_sparc_elf_howto_table + r_type;
4008 goto r_sparc_wplt30;
4010 case R_SPARC_TLS_GD_ADD:
4011 tls_type = GOT_UNKNOWN;
4012 if (h == NULL && local_got_offsets)
4013 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
4015 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
4016 if (! bfd_link_pic (info) || tls_type == GOT_TLS_IE)
4018 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
4020 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
4022 add %g7, %reg2, %reg3. */
4023 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
4024 if ((h != NULL && h->dynindx != -1) || bfd_link_pic (info))
4025 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
4027 relocation = (insn & ~0x7c000) | 0x1c000;
4028 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
4032 case R_SPARC_TLS_LDM_ADD:
4033 if (! bfd_link_pic (info))
4034 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
4037 case R_SPARC_TLS_LDO_ADD:
4038 if (! bfd_link_pic (info))
4040 /* Change rs1 into %g7. */
4041 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
4042 insn = (insn & ~0x7c000) | 0x1c000;
4043 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
4047 case R_SPARC_TLS_IE_LD:
4048 case R_SPARC_TLS_IE_LDX:
4049 if (! bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
4051 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
4052 int rs2 = insn & 0x1f;
4053 int rd = (insn >> 25) & 0x1f;
4056 relocation = SPARC_NOP;
4058 relocation = 0x80100000 | (insn & 0x3e00001f);
4059 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
4063 case R_SPARC_TLS_IE_ADD:
4064 /* Totally useless relocation. */
4067 case R_SPARC_TLS_DTPOFF32:
4068 case R_SPARC_TLS_DTPOFF64:
4069 relocation -= dtpoff_base (info);
4076 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
4077 because such sections are not SEC_ALLOC and thus ld.so will
4078 not process them. */
4079 if (unresolved_reloc
4080 && !((input_section->flags & SEC_DEBUGGING) != 0
4082 && _bfd_elf_section_offset (output_bfd, info, input_section,
4083 rel->r_offset) != (bfd_vma) -1)
4085 /* xgettext:c-format */
4086 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
4089 (long) rel->r_offset,
4091 h->root.root.string);
4093 r = bfd_reloc_continue;
4094 if (r_type == R_SPARC_OLO10)
4098 if (! ABI_64_P (output_bfd))
4101 relocation += rel->r_addend;
4102 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
4104 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4105 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
4106 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4108 r = bfd_check_overflow (howto->complain_on_overflow,
4109 howto->bitsize, howto->rightshift,
4110 bfd_arch_bits_per_address (input_bfd),
4113 else if (r_type == R_SPARC_WDISP16)
4117 relocation += rel->r_addend;
4118 relocation -= (input_section->output_section->vma
4119 + input_section->output_offset);
4120 relocation -= rel->r_offset;
4122 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4123 x |= ((((relocation >> 2) & 0xc000) << 6)
4124 | ((relocation >> 2) & 0x3fff));
4125 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4127 r = bfd_check_overflow (howto->complain_on_overflow,
4128 howto->bitsize, howto->rightshift,
4129 bfd_arch_bits_per_address (input_bfd),
4132 else if (r_type == R_SPARC_WDISP10)
4136 relocation += rel->r_addend;
4137 relocation -= (input_section->output_section->vma
4138 + input_section->output_offset);
4139 relocation -= rel->r_offset;
4141 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4142 x |= ((((relocation >> 2) & 0x300) << 11)
4143 | (((relocation >> 2) & 0xff) << 5));
4144 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4146 r = bfd_check_overflow (howto->complain_on_overflow,
4147 howto->bitsize, howto->rightshift,
4148 bfd_arch_bits_per_address (input_bfd),
4151 else if (r_type == R_SPARC_REV32)
4155 relocation = relocation + rel->r_addend;
4157 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4159 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
4162 else if (r_type == R_SPARC_TLS_LDO_HIX22
4163 || r_type == R_SPARC_TLS_LE_HIX22)
4167 relocation += rel->r_addend;
4168 if (r_type == R_SPARC_TLS_LE_HIX22)
4169 relocation ^= MINUS_ONE;
4171 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4172 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4173 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4176 else if (r_type == R_SPARC_TLS_LDO_LOX10
4177 || r_type == R_SPARC_TLS_LE_LOX10)
4181 relocation += rel->r_addend;
4182 relocation &= 0x3ff;
4183 if (r_type == R_SPARC_TLS_LE_LOX10)
4184 relocation |= 0x1c00;
4186 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4187 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4188 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4192 else if (r_type == R_SPARC_HIX22
4193 || r_type == R_SPARC_GOTDATA_HIX22
4194 || r_type == R_SPARC_GOTDATA_OP_HIX22)
4198 relocation += rel->r_addend;
4199 if (r_type == R_SPARC_HIX22
4200 || (bfd_signed_vma) relocation < 0)
4201 relocation = relocation ^ MINUS_ONE;
4203 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4204 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4205 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4207 r = bfd_check_overflow (howto->complain_on_overflow,
4208 howto->bitsize, howto->rightshift,
4209 bfd_arch_bits_per_address (input_bfd),
4212 else if (r_type == R_SPARC_LOX10
4213 || r_type == R_SPARC_GOTDATA_LOX10
4214 || r_type == R_SPARC_GOTDATA_OP_LOX10)
4218 relocation += rel->r_addend;
4219 if (r_type == R_SPARC_LOX10
4220 || (bfd_signed_vma) relocation < 0)
4221 relocation = (relocation & 0x3ff) | 0x1c00;
4223 relocation = (relocation & 0x3ff);
4225 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4226 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4227 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4231 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4232 && sec_do_relax (input_section)
4233 && rel->r_offset + 4 < input_section->size)
4237 #define XCC (2 << 20)
4238 #define COND(x) (((x)&0xf)<<25)
4239 #define CONDA COND(0x8)
4240 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4241 #define INSN_BA (F2(0,2) | CONDA)
4242 #define INSN_OR F3(2, 0x2, 0)
4243 #define INSN_NOP F2(0,4)
4247 /* If the instruction is a call with either:
4249 arithmetic instruction with rd == %o7
4250 where rs1 != %o7 and rs2 if it is register != %o7
4251 then we can optimize if the call destination is near
4252 by changing the call into a branch always. */
4253 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4254 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4255 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4257 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4258 || ((y & OP3(0x28)) == 0 /* arithmetic */
4259 && (y & RD(~0)) == RD(O7)))
4260 && (y & RS1(~0)) != RS1(O7)
4262 || (y & RS2(~0)) != RS2(O7)))
4266 reloc = relocation + rel->r_addend - rel->r_offset;
4267 reloc -= (input_section->output_section->vma
4268 + input_section->output_offset);
4270 /* Ensure the branch fits into simm22. */
4271 if ((reloc & 3) == 0
4272 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4273 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4277 /* Check whether it fits into simm19. */
4278 if (((reloc & 0x3c0000) == 0
4279 || (reloc & 0x3c0000) == 0x3c0000)
4280 && (ABI_64_P (output_bfd)
4281 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4282 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4284 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4285 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4287 if (rel->r_offset >= 4
4288 && (y & (0xffffffff ^ RS1(~0)))
4289 == (INSN_OR | RD(O7) | RS2(G0)))
4294 z = bfd_get_32 (input_bfd,
4295 contents + rel->r_offset - 4);
4296 if ((z & (0xffffffff ^ RD(~0)))
4297 != (INSN_OR | RS1(O7) | RS2(G0)))
4305 If call foo was replaced with ba, replace
4306 or %rN, %g0, %o7 with nop. */
4308 reg = (y & RS1(~0)) >> 14;
4309 if (reg != ((z & RD(~0)) >> 25)
4310 || reg == G0 || reg == O7)
4313 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4314 contents + rel->r_offset + 4);
4322 if (r == bfd_reloc_continue)
4325 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4326 contents, rel->r_offset,
4327 relocation, rel->r_addend);
4329 if (r != bfd_reloc_ok)
4334 case bfd_reloc_outofrange:
4336 case bfd_reloc_overflow:
4340 /* The Solaris native linker silently disregards overflows.
4341 We don't, but this breaks stabs debugging info, whose
4342 relocations are only 32-bits wide. Ignore overflows in
4343 this case and also for discarded entries. */
4344 if ((r_type == R_SPARC_32
4345 || r_type == R_SPARC_UA32
4346 || r_type == R_SPARC_DISP32)
4347 && (((input_section->flags & SEC_DEBUGGING) != 0
4348 && strcmp (bfd_section_name (input_bfd,
4351 || _bfd_elf_section_offset (output_bfd, info,
4359 /* Assume this is a call protected by other code that
4360 detect the symbol is undefined. If this is the case,
4361 we can safely ignore the overflow. If not, the
4362 program is hosed anyway, and a little warning isn't
4364 if (h->root.type == bfd_link_hash_undefweak
4365 && howto->pc_relative)
4372 name = bfd_elf_string_from_elf_section (input_bfd,
4373 symtab_hdr->sh_link,
4378 name = bfd_section_name (input_bfd, sec);
4380 (*info->callbacks->reloc_overflow)
4381 (info, (h ? &h->root : NULL), name, howto->name,
4382 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4392 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4393 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4394 is the offset of the associated .got.plt entry from
4395 _GLOBAL_OFFSET_TABLE_. */
4398 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4399 bfd_vma plt_offset, bfd_vma plt_index,
4403 const bfd_vma *plt_entry;
4404 struct _bfd_sparc_elf_link_hash_table *htab;
4406 Elf_Internal_Rela rela;
4408 htab = _bfd_sparc_elf_hash_table (info);
4409 BFD_ASSERT (htab != NULL);
4411 if (bfd_link_pic (info))
4413 plt_entry = sparc_vxworks_shared_plt_entry;
4418 plt_entry = sparc_vxworks_exec_plt_entry;
4419 got_base = (htab->elf.hgot->root.u.def.value
4420 + htab->elf.hgot->root.u.def.section->output_offset
4421 + htab->elf.hgot->root.u.def.section->output_section->vma);
4424 /* Fill in the entry in the procedure linkage table. */
4425 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4426 htab->elf.splt->contents + plt_offset);
4427 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4428 htab->elf.splt->contents + plt_offset + 4);
4429 bfd_put_32 (output_bfd, plt_entry[2],
4430 htab->elf.splt->contents + plt_offset + 8);
4431 bfd_put_32 (output_bfd, plt_entry[3],
4432 htab->elf.splt->contents + plt_offset + 12);
4433 bfd_put_32 (output_bfd, plt_entry[4],
4434 htab->elf.splt->contents + plt_offset + 16);
4435 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4436 htab->elf.splt->contents + plt_offset + 20);
4437 /* PC-relative displacement for a branch to the start of
4439 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4441 htab->elf.splt->contents + plt_offset + 24);
4442 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4443 htab->elf.splt->contents + plt_offset + 28);
4445 /* Fill in the .got.plt entry, pointing initially at the
4446 second half of the PLT entry. */
4447 BFD_ASSERT (htab->elf.sgotplt != NULL);
4448 bfd_put_32 (output_bfd,
4449 htab->elf.splt->output_section->vma
4450 + htab->elf.splt->output_offset
4452 htab->elf.sgotplt->contents + got_offset);
4454 /* Add relocations to .rela.plt.unloaded. */
4455 if (!bfd_link_pic (info))
4457 loc = (htab->srelplt2->contents
4458 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4460 /* Relocate the initial sethi. */
4461 rela.r_offset = (htab->elf.splt->output_section->vma
4462 + htab->elf.splt->output_offset
4464 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4465 rela.r_addend = got_offset;
4466 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4467 loc += sizeof (Elf32_External_Rela);
4469 /* Likewise the following or. */
4471 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4472 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4473 loc += sizeof (Elf32_External_Rela);
4475 /* Relocate the .got.plt entry. */
4476 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4477 + htab->elf.sgotplt->output_offset
4479 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4480 rela.r_addend = plt_offset + 20;
4481 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4485 /* Finish up dynamic symbol handling. We set the contents of various
4486 dynamic sections here. */
4489 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4490 struct bfd_link_info *info,
4491 struct elf_link_hash_entry *h,
4492 Elf_Internal_Sym *sym)
4494 struct _bfd_sparc_elf_link_hash_table *htab;
4495 const struct elf_backend_data *bed;
4496 struct _bfd_sparc_elf_link_hash_entry *eh;
4497 bfd_boolean local_undefweak;
4499 htab = _bfd_sparc_elf_hash_table (info);
4500 BFD_ASSERT (htab != NULL);
4501 bed = get_elf_backend_data (output_bfd);
4503 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
4505 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4506 resolved undefined weak symbols in executable so that their
4507 references have value 0 at run-time. */
4508 local_undefweak = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
4510 if (h->plt.offset != (bfd_vma) -1)
4514 Elf_Internal_Rela rela;
4516 bfd_vma r_offset, got_offset;
4519 /* When building a static executable, use .iplt and
4520 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4521 if (htab->elf.splt != NULL)
4523 splt = htab->elf.splt;
4524 srela = htab->elf.srelplt;
4528 splt = htab->elf.iplt;
4529 srela = htab->elf.irelplt;
4532 if (splt == NULL || srela == NULL)
4535 /* Fill in the entry in the .rela.plt section. */
4536 if (htab->is_vxworks)
4538 /* Work out the index of this PLT entry. */
4539 rela_index = ((h->plt.offset - htab->plt_header_size)
4540 / htab->plt_entry_size);
4542 /* Calculate the offset of the associated .got.plt entry.
4543 The first three entries are reserved. */
4544 got_offset = (rela_index + 3) * 4;
4546 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4547 rela_index, got_offset);
4550 /* On VxWorks, the relocation points to the .got.plt entry,
4551 not the .plt entry. */
4552 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4553 + htab->elf.sgotplt->output_offset
4556 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4561 bfd_boolean ifunc = FALSE;
4563 /* Fill in the entry in the procedure linkage table. */
4564 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4565 h->plt.offset, splt->size,
4570 || ((bfd_link_executable (info)
4571 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4573 && h->type == STT_GNU_IFUNC))
4576 BFD_ASSERT (h == NULL
4577 || (h->type == STT_GNU_IFUNC
4579 && (h->root.type == bfd_link_hash_defined
4580 || h->root.type == bfd_link_hash_defweak)));
4583 rela.r_offset = r_offset
4584 + (splt->output_section->vma + splt->output_offset);
4585 if (ABI_64_P (output_bfd)
4586 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4590 rela.r_addend = (h->root.u.def.section->output_section->vma
4591 + h->root.u.def.section->output_offset
4592 + h->root.u.def.value);
4593 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4598 rela.r_addend = (-(h->plt.offset + 4)
4599 - splt->output_section->vma
4600 - splt->output_offset);
4601 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4609 rela.r_addend = (h->root.u.def.section->output_section->vma
4610 + h->root.u.def.section->output_offset
4611 + h->root.u.def.value);
4612 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4618 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4624 /* Adjust for the first 4 reserved elements in the .plt section
4625 when setting the offset in the .rela.plt section.
4626 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4627 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4629 loc = srela->contents;
4630 loc += rela_index * bed->s->sizeof_rela;
4631 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4633 if (!local_undefweak
4636 /* Mark the symbol as undefined, rather than as defined in
4637 the .plt section. Leave the value alone. */
4638 sym->st_shndx = SHN_UNDEF;
4639 /* If the symbol is weak, we do need to clear the value.
4640 Otherwise, the PLT entry would provide a definition for
4641 the symbol even if the symbol wasn't defined anywhere,
4642 and so the symbol would never be NULL. */
4643 if (!h->ref_regular_nonweak)
4648 /* Don't generate dynamic GOT relocation against undefined weak
4649 symbol in executable. */
4650 if (h->got.offset != (bfd_vma) -1
4651 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4652 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
4653 && !local_undefweak)
4657 Elf_Internal_Rela rela;
4659 /* This symbol has an entry in the GOT. Set it up. */
4661 sgot = htab->elf.sgot;
4662 srela = htab->elf.srelgot;
4663 BFD_ASSERT (sgot != NULL && srela != NULL);
4665 rela.r_offset = (sgot->output_section->vma
4666 + sgot->output_offset
4667 + (h->got.offset &~ (bfd_vma) 1));
4669 /* If this is a -Bsymbolic link, and the symbol is defined
4670 locally, we just want to emit a RELATIVE reloc. Likewise if
4671 the symbol was forced to be local because of a version file.
4672 The entry in the global offset table will already have been
4673 initialized in the relocate_section function. */
4674 if (! bfd_link_pic (info)
4675 && h->type == STT_GNU_IFUNC
4680 /* We load the GOT entry with the PLT entry. */
4681 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4682 SPARC_ELF_PUT_WORD (htab, output_bfd,
4683 (plt->output_section->vma
4684 + plt->output_offset + h->plt.offset),
4685 htab->elf.sgot->contents
4686 + (h->got.offset & ~(bfd_vma) 1));
4689 else if (bfd_link_pic (info)
4690 && SYMBOL_REFERENCES_LOCAL (info, h))
4692 asection *sec = h->root.u.def.section;
4693 if (h->type == STT_GNU_IFUNC)
4694 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4696 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4697 rela.r_addend = (h->root.u.def.value
4698 + sec->output_section->vma
4699 + sec->output_offset);
4703 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4707 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4708 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4709 sparc_elf_append_rela (output_bfd, srela, &rela);
4715 Elf_Internal_Rela rela;
4717 /* This symbols needs a copy reloc. Set it up. */
4718 BFD_ASSERT (h->dynindx != -1);
4720 rela.r_offset = (h->root.u.def.value
4721 + h->root.u.def.section->output_section->vma
4722 + h->root.u.def.section->output_offset);
4723 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4725 if (h->root.u.def.section == htab->elf.sdynrelro)
4726 s = htab->elf.sreldynrelro;
4728 s = htab->elf.srelbss;
4729 sparc_elf_append_rela (output_bfd, s, &rela);
4732 /* Mark some specially defined symbols as absolute. On VxWorks,
4733 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4734 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4736 && (h == htab->elf.hdynamic
4737 || (!htab->is_vxworks
4738 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4739 sym->st_shndx = SHN_ABS;
4744 /* Finish up the dynamic sections. */
4747 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4748 bfd *dynobj, asection *sdyn,
4749 asection *splt ATTRIBUTE_UNUSED)
4751 struct _bfd_sparc_elf_link_hash_table *htab;
4752 const struct elf_backend_data *bed;
4753 bfd_byte *dyncon, *dynconend;
4755 int stt_regidx = -1;
4756 bfd_boolean abi_64_p;
4758 htab = _bfd_sparc_elf_hash_table (info);
4759 BFD_ASSERT (htab != NULL);
4760 bed = get_elf_backend_data (output_bfd);
4761 dynsize = bed->s->sizeof_dyn;
4762 dynconend = sdyn->contents + sdyn->size;
4763 abi_64_p = ABI_64_P (output_bfd);
4764 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4766 Elf_Internal_Dyn dyn;
4769 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4771 if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4773 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4774 not to the start of the PLT. */
4775 if (htab->elf.sgotplt)
4777 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4778 + htab->elf.sgotplt->output_offset);
4779 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4782 else if (htab->is_vxworks
4783 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4784 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4785 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4787 if (stt_regidx == -1)
4790 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4791 if (stt_regidx == -1)
4794 dyn.d_un.d_val = stt_regidx++;
4795 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4808 s = htab->elf.srelplt;
4812 s = htab->elf.srelplt;
4824 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4826 dyn.d_un.d_val = s->size;
4828 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4834 /* Install the first PLT entry in a VxWorks executable and make sure that
4835 .rela.plt.unloaded relocations have the correct symbol indexes. */
4838 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4840 struct _bfd_sparc_elf_link_hash_table *htab;
4841 Elf_Internal_Rela rela;
4845 htab = _bfd_sparc_elf_hash_table (info);
4846 BFD_ASSERT (htab != NULL);
4848 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4849 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4850 + htab->elf.hgot->root.u.def.section->output_offset
4851 + htab->elf.hgot->root.u.def.value);
4853 /* Install the initial PLT entry. */
4854 bfd_put_32 (output_bfd,
4855 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4856 htab->elf.splt->contents);
4857 bfd_put_32 (output_bfd,
4858 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4859 htab->elf.splt->contents + 4);
4860 bfd_put_32 (output_bfd,
4861 sparc_vxworks_exec_plt0_entry[2],
4862 htab->elf.splt->contents + 8);
4863 bfd_put_32 (output_bfd,
4864 sparc_vxworks_exec_plt0_entry[3],
4865 htab->elf.splt->contents + 12);
4866 bfd_put_32 (output_bfd,
4867 sparc_vxworks_exec_plt0_entry[4],
4868 htab->elf.splt->contents + 16);
4870 loc = htab->srelplt2->contents;
4872 /* Add an unloaded relocation for the initial entry's "sethi". */
4873 rela.r_offset = (htab->elf.splt->output_section->vma
4874 + htab->elf.splt->output_offset);
4875 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4877 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4878 loc += sizeof (Elf32_External_Rela);
4880 /* Likewise the following "or". */
4882 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4883 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4884 loc += sizeof (Elf32_External_Rela);
4886 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4887 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4888 in which symbols were output. */
4889 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4891 Elf_Internal_Rela rel;
4893 /* The entry's initial "sethi" (against _G_O_T_). */
4894 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4895 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4896 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4897 loc += sizeof (Elf32_External_Rela);
4899 /* The following "or" (also against _G_O_T_). */
4900 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4901 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4902 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4903 loc += sizeof (Elf32_External_Rela);
4905 /* The .got.plt entry (against _P_L_T_). */
4906 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4907 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4908 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4909 loc += sizeof (Elf32_External_Rela);
4913 /* Install the first PLT entry in a VxWorks shared object. */
4916 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4918 struct _bfd_sparc_elf_link_hash_table *htab;
4921 htab = _bfd_sparc_elf_hash_table (info);
4922 BFD_ASSERT (htab != NULL);
4924 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4925 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4926 htab->elf.splt->contents + i * 4);
4929 /* Finish up local dynamic symbol handling. We set the contents of
4930 various dynamic sections here. */
4933 finish_local_dynamic_symbol (void **slot, void *inf)
4935 struct elf_link_hash_entry *h
4936 = (struct elf_link_hash_entry *) *slot;
4937 struct bfd_link_info *info
4938 = (struct bfd_link_info *) inf;
4940 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4944 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4945 here since undefined weak symbol may not be dynamic and may not be
4946 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4949 pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
4952 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
4953 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4955 if (h->root.type != bfd_link_hash_undefweak
4956 || h->dynindx != -1)
4959 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4964 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4968 struct _bfd_sparc_elf_link_hash_table *htab;
4970 htab = _bfd_sparc_elf_hash_table (info);
4971 BFD_ASSERT (htab != NULL);
4972 dynobj = htab->elf.dynobj;
4974 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4976 if (elf_hash_table (info)->dynamic_sections_created)
4980 splt = htab->elf.splt;
4981 BFD_ASSERT (splt != NULL && sdyn != NULL);
4983 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4986 /* Initialize the contents of the .plt section. */
4989 if (htab->is_vxworks)
4991 if (bfd_link_pic (info))
4992 sparc_vxworks_finish_shared_plt (output_bfd, info);
4994 sparc_vxworks_finish_exec_plt (output_bfd, info);
4998 memset (splt->contents, 0, htab->plt_header_size);
4999 if (!ABI_64_P (output_bfd))
5000 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
5001 splt->contents + splt->size - 4);
5005 if (elf_section_data (splt->output_section) != NULL)
5006 elf_section_data (splt->output_section)->this_hdr.sh_entsize
5007 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
5008 ? 0 : htab->plt_entry_size);
5011 /* Set the first entry in the global offset table to the address of
5012 the dynamic section. */
5013 if (htab->elf.sgot && htab->elf.sgot->size > 0)
5015 bfd_vma val = (sdyn ?
5016 sdyn->output_section->vma + sdyn->output_offset :
5019 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
5023 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
5024 SPARC_ELF_WORD_BYTES (htab);
5026 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
5027 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
5029 /* Fill PLT entries for undefined weak symbols in PIE. */
5030 if (bfd_link_pie (info))
5031 bfd_hash_traverse (&info->hash->table,
5032 pie_finish_undefweak_symbol,
5038 /* Set the right machine number for a SPARC ELF file. */
5041 _bfd_sparc_elf_object_p (bfd *abfd)
5043 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
5044 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
5045 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
5047 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
5048 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
5049 | ELF_SPARC_HWCAP_VIS3
5050 | ELF_SPARC_HWCAP_HPC);
5051 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
5052 | ELF_SPARC_HWCAP_DES
5053 | ELF_SPARC_HWCAP_KASUMI
5054 | ELF_SPARC_HWCAP_CAMELLIA
5055 | ELF_SPARC_HWCAP_MD5
5056 | ELF_SPARC_HWCAP_SHA1
5057 | ELF_SPARC_HWCAP_SHA256
5058 | ELF_SPARC_HWCAP_SHA512
5059 | ELF_SPARC_HWCAP_MPMUL
5060 | ELF_SPARC_HWCAP_MONT
5061 | ELF_SPARC_HWCAP_CRC32C
5062 | ELF_SPARC_HWCAP_CBCOND
5063 | ELF_SPARC_HWCAP_PAUSE);
5064 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
5065 | ELF_SPARC_HWCAP_IMA);
5066 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
5067 | ELF_SPARC_HWCAP2_MWAIT
5068 | ELF_SPARC_HWCAP2_XMPMUL
5069 | ELF_SPARC_HWCAP2_XMONT);
5070 unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
5071 | ELF_SPARC_HWCAP2_ONADDSUB
5072 | ELF_SPARC_HWCAP2_ONMUL
5073 | ELF_SPARC_HWCAP2_ONDIV
5074 | ELF_SPARC_HWCAP2_DICTUNP
5075 | ELF_SPARC_HWCAP2_FPCMPSHL
5076 | ELF_SPARC_HWCAP2_RLE
5077 | ELF_SPARC_HWCAP2_SHA3);
5079 if (ABI_64_P (abfd))
5081 unsigned long mach = bfd_mach_sparc_v9;
5083 if (hwcaps2->i & m8_hwcaps2_mask)
5084 mach = bfd_mach_sparc_v9m8;
5085 else if (hwcaps2->i & v9m_hwcaps2_mask)
5086 mach = bfd_mach_sparc_v9m;
5087 else if (hwcaps->i & v9v_hwcaps_mask)
5088 mach = bfd_mach_sparc_v9v;
5089 else if (hwcaps->i & v9e_hwcaps_mask)
5090 mach = bfd_mach_sparc_v9e;
5091 else if (hwcaps->i & v9d_hwcaps_mask)
5092 mach = bfd_mach_sparc_v9d;
5093 else if (hwcaps->i & v9c_hwcaps_mask)
5094 mach = bfd_mach_sparc_v9c;
5095 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
5096 mach = bfd_mach_sparc_v9b;
5097 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
5098 mach = bfd_mach_sparc_v9a;
5099 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
5103 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
5105 if (hwcaps2->i & m8_hwcaps2_mask)
5106 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5107 bfd_mach_sparc_v8plusm8);
5108 else if (hwcaps2->i & v9m_hwcaps2_mask)
5109 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5110 bfd_mach_sparc_v8plusm);
5111 else if (hwcaps->i & v9v_hwcaps_mask)
5112 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5113 bfd_mach_sparc_v8plusv);
5114 else if (hwcaps->i & v9e_hwcaps_mask)
5115 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5116 bfd_mach_sparc_v8pluse);
5117 else if (hwcaps->i & v9d_hwcaps_mask)
5118 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5119 bfd_mach_sparc_v8plusd);
5120 else if (hwcaps->i & v9c_hwcaps_mask)
5121 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5122 bfd_mach_sparc_v8plusc);
5123 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
5124 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5125 bfd_mach_sparc_v8plusb);
5126 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
5127 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5128 bfd_mach_sparc_v8plusa);
5129 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
5130 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5131 bfd_mach_sparc_v8plus);
5135 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
5136 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5137 bfd_mach_sparc_sparclite_le);
5139 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
5143 /* Return address for Ith PLT stub in section PLT, for relocation REL
5144 or (bfd_vma) -1 if it should not be included. */
5147 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
5149 if (ABI_64_P (plt->owner))
5153 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
5154 if (i < PLT64_LARGE_THRESHOLD)
5155 return plt->vma + i * PLT64_ENTRY_SIZE;
5157 j = (i - PLT64_LARGE_THRESHOLD) % 160;
5159 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
5162 return rel->address;
5165 /* Merge backend specific data from an object file to the output
5166 object file when linking. */
5169 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
5171 bfd *obfd = info->output_bfd;
5172 obj_attribute *in_attr, *in_attrs;
5173 obj_attribute *out_attr, *out_attrs;
5175 if (!elf_known_obj_attributes_proc (obfd)[0].i)
5177 /* This is the first object. Copy the attributes. */
5178 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5180 /* Use the Tag_null value to indicate the attributes have been
5182 elf_known_obj_attributes_proc (obfd)[0].i = 1;
5187 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
5188 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
5190 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
5191 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
5193 out_attr->i |= in_attr->i;
5196 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
5197 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
5199 out_attr->i |= in_attr->i;
5202 /* Merge Tag_compatibility attributes and any common GNU ones. */
5203 _bfd_elf_merge_object_attributes (ibfd, info);