1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2018 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 /* Is an undefined weak symbol resolved to 0 ?
667 Reference to an undefined weak symbol is resolved to 0 when
668 building an executable if it isn't dynamic and
669 1. Has non-GOT/non-PLT relocations in text section.
671 2. Has no GOT/PLT relocation. */
672 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
673 ((EH)->elf.root.type == bfd_link_hash_undefweak \
674 && bfd_link_executable (INFO) \
675 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
676 || !(EH)->has_got_reloc \
677 || (EH)->has_non_got_reloc \
678 || !(INFO)->dynamic_undefined_weak))
680 /* SPARC ELF linker hash entry. */
682 struct _bfd_sparc_elf_link_hash_entry
684 struct elf_link_hash_entry elf;
686 /* Track dynamic relocs copied for this symbol. */
687 struct elf_dyn_relocs *dyn_relocs;
689 #define GOT_UNKNOWN 0
693 unsigned char tls_type;
695 /* Symbol has GOT or PLT relocations. */
696 unsigned int has_got_reloc : 1;
698 /* Symbol has non-GOT/non-PLT relocations in text sections. */
699 unsigned int has_non_got_reloc : 1;
703 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
705 struct _bfd_sparc_elf_obj_tdata
707 struct elf_obj_tdata root;
709 /* tls_type for each local got entry. */
710 char *local_got_tls_type;
712 /* TRUE if TLS GD relocs has been seen for this object. */
713 bfd_boolean has_tlsgd;
716 #define _bfd_sparc_elf_tdata(abfd) \
717 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
719 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
720 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
722 #define is_sparc_elf(bfd) \
723 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
724 && elf_tdata (bfd) != NULL \
725 && elf_object_id (bfd) == SPARC_ELF_DATA)
728 _bfd_sparc_elf_mkobject (bfd *abfd)
730 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
735 sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
737 bfd_put_32 (abfd, val, ptr);
741 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
743 bfd_put_64 (abfd, val, ptr);
747 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
749 const struct elf_backend_data *bed;
752 bed = get_elf_backend_data (abfd);
753 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
754 bed->s->swap_reloca_out (abfd, rel, loc);
758 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
759 bfd_vma rel_index ATTRIBUTE_UNUSED,
760 bfd_vma type ATTRIBUTE_UNUSED)
762 return ELF64_R_INFO (rel_index,
764 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
769 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
770 bfd_vma rel_index, bfd_vma type)
772 return ELF32_R_INFO (rel_index, type);
776 sparc_elf_r_symndx_64 (bfd_vma r_info)
778 bfd_vma r_symndx = ELF32_R_SYM (r_info);
779 return (r_symndx >> 24);
783 sparc_elf_r_symndx_32 (bfd_vma r_info)
785 return ELF32_R_SYM (r_info);
790 #define PLT32_ENTRY_SIZE 12
791 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
793 /* The first four entries in a 32-bit procedure linkage table are reserved,
794 and the initial contents are unimportant (we zero them out).
795 Subsequent entries look like this. See the SVR4 ABI SPARC
796 supplement to see how this works. */
798 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
799 #define PLT32_ENTRY_WORD0 0x03000000
800 /* b,a .plt0. We fill in the offset later. */
801 #define PLT32_ENTRY_WORD1 0x30800000
803 #define PLT32_ENTRY_WORD2 SPARC_NOP
806 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
807 bfd_vma max ATTRIBUTE_UNUSED,
810 bfd_put_32 (output_bfd,
811 PLT32_ENTRY_WORD0 + offset,
812 splt->contents + offset);
813 bfd_put_32 (output_bfd,
815 + (((- (offset + 4)) >> 2) & 0x3fffff)),
816 splt->contents + offset + 4);
817 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
818 splt->contents + offset + 8);
822 return offset / PLT32_ENTRY_SIZE - 4;
825 /* Both the headers and the entries are icache aligned. */
826 #define PLT64_ENTRY_SIZE 32
827 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
828 #define PLT64_LARGE_THRESHOLD 32768
831 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
832 bfd_vma max, bfd_vma *r_offset)
834 unsigned char *entry = splt->contents + offset;
835 const unsigned int nop = SPARC_NOP;
838 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
840 unsigned int sethi, ba;
844 plt_index = (offset / PLT64_ENTRY_SIZE);
846 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
848 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
850 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
851 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
852 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
853 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
854 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
855 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
856 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
857 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
863 int block, last_block, ofs, last_ofs, chunks_this_block;
864 const int insn_chunk_size = (6 * 4);
865 const int ptr_chunk_size = (1 * 8);
866 const int entries_per_block = 160;
867 const int block_size = entries_per_block * (insn_chunk_size
870 /* Entries 32768 and higher are grouped into blocks of 160.
871 The blocks are further subdivided into 160 sequences of
872 6 instructions and 160 pointers. If a block does not require
873 the full 160 entries, let's say it requires N, then there
874 will be N sequences of 6 instructions and N pointers. */
876 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
877 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
879 block = offset / block_size;
880 last_block = max / block_size;
881 if (block != last_block)
883 chunks_this_block = 160;
887 last_ofs = max % block_size;
888 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
891 ofs = offset % block_size;
893 plt_index = (PLT64_LARGE_THRESHOLD +
895 (ofs / insn_chunk_size));
898 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
899 + (block * block_size)
900 + (chunks_this_block * insn_chunk_size)
901 + (ofs / insn_chunk_size) * ptr_chunk_size;
903 *r_offset = (bfd_vma) (ptr - splt->contents);
905 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
913 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
914 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
915 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
916 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
917 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
918 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
920 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
923 return plt_index - 4;
926 /* The format of the first PLT entry in a VxWorks executable. */
927 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
929 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
930 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
931 0xc4008000, /* ld [ %g2 ], %g2 */
932 0x81c08000, /* jmp %g2 */
936 /* The format of subsequent PLT entries. */
937 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
939 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
940 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
941 0xc2004000, /* ld [ %g1 ], %g1 */
942 0x81c04000, /* jmp %g1 */
943 0x01000000, /* nop */
944 0x03000000, /* sethi %hi(f@pltindex), %g1 */
945 0x10800000, /* b _PLT_resolve */
946 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
949 /* The format of the first PLT entry in a VxWorks shared object. */
950 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
952 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
953 0x81c08000, /* jmp %g2 */
957 /* The format of subsequent PLT entries. */
958 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
960 0x03000000, /* sethi %hi(f@got), %g1 */
961 0x82106000, /* or %g1, %lo(f@got), %g1 */
962 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
963 0x81c04000, /* jmp %g1 */
964 0x01000000, /* nop */
965 0x03000000, /* sethi %hi(f@pltindex), %g1 */
966 0x10800000, /* b _PLT_resolve */
967 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
970 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
971 htab->put_word(bfd, val, ptr)
973 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
974 htab->r_info(in_rel, index, type)
976 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
977 htab->r_symndx(r_info)
979 #define SPARC_ELF_WORD_BYTES(htab) \
982 #define SPARC_ELF_RELA_BYTES(htab) \
985 #define SPARC_ELF_DTPOFF_RELOC(htab) \
988 #define SPARC_ELF_DTPMOD_RELOC(htab) \
991 #define SPARC_ELF_TPOFF_RELOC(htab) \
994 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
995 htab->build_plt_entry (obfd, splt, off, max, r_off)
997 /* Create an entry in an SPARC ELF linker hash table. */
999 static struct bfd_hash_entry *
1000 link_hash_newfunc (struct bfd_hash_entry *entry,
1001 struct bfd_hash_table *table, const char *string)
1003 /* Allocate the structure if it has not already been allocated by a
1007 entry = bfd_hash_allocate (table,
1008 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1013 /* Call the allocation method of the superclass. */
1014 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1017 struct _bfd_sparc_elf_link_hash_entry *eh;
1019 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1020 eh->dyn_relocs = NULL;
1021 eh->tls_type = GOT_UNKNOWN;
1022 eh->has_got_reloc = 0;
1023 eh->has_non_got_reloc = 0;
1029 /* The name of the dynamic interpreter. This is put in the .interp
1032 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1033 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1035 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1036 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1037 as global symbol. We reuse indx and dynstr_index for local symbol
1038 hash since they aren't used by global symbols in this backend. */
1041 elf_sparc_local_htab_hash (const void *ptr)
1043 struct elf_link_hash_entry *h
1044 = (struct elf_link_hash_entry *) ptr;
1045 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1048 /* Compare local hash entries. */
1051 elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1053 struct elf_link_hash_entry *h1
1054 = (struct elf_link_hash_entry *) ptr1;
1055 struct elf_link_hash_entry *h2
1056 = (struct elf_link_hash_entry *) ptr2;
1058 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1061 /* Find and/or create a hash entry for local symbol. */
1063 static struct elf_link_hash_entry *
1064 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1065 bfd *abfd, const Elf_Internal_Rela *rel,
1068 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1069 asection *sec = abfd->sections;
1070 unsigned long r_symndx;
1074 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1075 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1077 e.elf.indx = sec->id;
1078 e.elf.dynstr_index = r_symndx;
1079 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1080 create ? INSERT : NO_INSERT);
1087 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1091 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1092 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1093 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1096 memset (ret, 0, sizeof (*ret));
1097 ret->elf.indx = sec->id;
1098 ret->elf.dynstr_index = r_symndx;
1099 ret->elf.dynindx = -1;
1100 ret->elf.plt.offset = (bfd_vma) -1;
1101 ret->elf.got.offset = (bfd_vma) -1;
1107 /* Destroy a SPARC ELF linker hash table. */
1110 _bfd_sparc_elf_link_hash_table_free (bfd *obfd)
1112 struct _bfd_sparc_elf_link_hash_table *htab
1113 = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
1115 if (htab->loc_hash_table)
1116 htab_delete (htab->loc_hash_table);
1117 if (htab->loc_hash_memory)
1118 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1119 _bfd_elf_link_hash_table_free (obfd);
1122 /* Create a SPARC ELF linker hash table. */
1124 struct bfd_link_hash_table *
1125 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1127 struct _bfd_sparc_elf_link_hash_table *ret;
1128 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1130 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1134 if (ABI_64_P (abfd))
1136 ret->put_word = sparc_put_word_64;
1137 ret->r_info = sparc_elf_r_info_64;
1138 ret->r_symndx = sparc_elf_r_symndx_64;
1139 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1140 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1141 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1142 ret->word_align_power = 3;
1143 ret->align_power_max = 4;
1144 ret->bytes_per_word = 8;
1145 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1146 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1147 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1149 ret->build_plt_entry = sparc64_plt_entry_build;
1150 ret->plt_header_size = PLT64_HEADER_SIZE;
1151 ret->plt_entry_size = PLT64_ENTRY_SIZE;
1155 ret->put_word = sparc_put_word_32;
1156 ret->r_info = sparc_elf_r_info_32;
1157 ret->r_symndx = sparc_elf_r_symndx_32;
1158 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1159 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1160 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1161 ret->word_align_power = 2;
1162 ret->align_power_max = 3;
1163 ret->bytes_per_word = 4;
1164 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1165 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1166 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1168 ret->build_plt_entry = sparc32_plt_entry_build;
1169 ret->plt_header_size = PLT32_HEADER_SIZE;
1170 ret->plt_entry_size = PLT32_ENTRY_SIZE;
1173 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1174 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1181 ret->loc_hash_table = htab_try_create (1024,
1182 elf_sparc_local_htab_hash,
1183 elf_sparc_local_htab_eq,
1185 ret->loc_hash_memory = objalloc_create ();
1186 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1188 _bfd_sparc_elf_link_hash_table_free (abfd);
1191 ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
1193 return &ret->elf.root;
1196 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1197 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1201 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1202 struct bfd_link_info *info)
1204 struct _bfd_sparc_elf_link_hash_table *htab;
1206 htab = _bfd_sparc_elf_hash_table (info);
1207 BFD_ASSERT (htab != NULL);
1209 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1212 if (htab->is_vxworks)
1214 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1216 if (bfd_link_pic (info))
1218 htab->plt_header_size
1219 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1220 htab->plt_entry_size
1221 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1225 htab->plt_header_size
1226 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1227 htab->plt_entry_size
1228 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1232 if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
1233 || (!bfd_link_pic (info) && !htab->elf.srelbss))
1240 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1242 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1243 struct elf_link_hash_table *htab = elf_hash_table (info);
1244 flagword flags, pltflags;
1247 if (htab->irelifunc != NULL || htab->iplt != NULL)
1250 flags = bed->dynamic_sec_flags;
1251 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1253 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1255 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1259 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1260 flags | SEC_READONLY);
1262 || ! bfd_set_section_alignment (abfd, s,
1263 bed->s->log_file_align))
1270 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1273 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1274 struct elf_link_hash_entry *dir,
1275 struct elf_link_hash_entry *ind)
1277 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1279 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1280 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1282 if (eind->dyn_relocs != NULL)
1284 if (edir->dyn_relocs != NULL)
1286 struct elf_dyn_relocs **pp;
1287 struct elf_dyn_relocs *p;
1289 /* Add reloc counts against the indirect sym to the direct sym
1290 list. Merge any entries against the same section. */
1291 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1293 struct elf_dyn_relocs *q;
1295 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1296 if (q->sec == p->sec)
1298 q->pc_count += p->pc_count;
1299 q->count += p->count;
1306 *pp = edir->dyn_relocs;
1309 edir->dyn_relocs = eind->dyn_relocs;
1310 eind->dyn_relocs = NULL;
1313 if (ind->root.type == bfd_link_hash_indirect
1314 && dir->got.refcount <= 0)
1316 edir->tls_type = eind->tls_type;
1317 eind->tls_type = GOT_UNKNOWN;
1320 /* Copy has_got_reloc and has_non_got_reloc. */
1321 edir->has_got_reloc |= eind->has_got_reloc;
1322 edir->has_non_got_reloc |= eind->has_non_got_reloc;
1324 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1328 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1329 int r_type, int is_local)
1331 if (! ABI_64_P (abfd)
1332 && r_type == R_SPARC_TLS_GD_HI22
1333 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1334 r_type = R_SPARC_REV32;
1336 if (bfd_link_pic (info))
1341 case R_SPARC_TLS_GD_HI22:
1343 return R_SPARC_TLS_LE_HIX22;
1344 return R_SPARC_TLS_IE_HI22;
1345 case R_SPARC_TLS_GD_LO10:
1347 return R_SPARC_TLS_LE_LOX10;
1348 return R_SPARC_TLS_IE_LO10;
1349 case R_SPARC_TLS_IE_HI22:
1351 return R_SPARC_TLS_LE_HIX22;
1353 case R_SPARC_TLS_IE_LO10:
1355 return R_SPARC_TLS_LE_LOX10;
1357 case R_SPARC_TLS_LDM_HI22:
1358 return R_SPARC_TLS_LE_HIX22;
1359 case R_SPARC_TLS_LDM_LO10:
1360 return R_SPARC_TLS_LE_LOX10;
1366 /* Look through the relocs for a section during the first phase, and
1367 allocate space in the global offset table or procedure linkage
1371 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1372 asection *sec, const Elf_Internal_Rela *relocs)
1374 struct _bfd_sparc_elf_link_hash_table *htab;
1375 Elf_Internal_Shdr *symtab_hdr;
1376 struct elf_link_hash_entry **sym_hashes;
1377 const Elf_Internal_Rela *rel;
1378 const Elf_Internal_Rela *rel_end;
1381 bfd_boolean checked_tlsgd = FALSE;
1383 if (bfd_link_relocatable (info))
1386 htab = _bfd_sparc_elf_hash_table (info);
1387 BFD_ASSERT (htab != NULL);
1388 symtab_hdr = &elf_symtab_hdr (abfd);
1389 sym_hashes = elf_sym_hashes (abfd);
1393 if (ABI_64_P (abfd))
1394 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1396 num_relocs = sec->reloc_count;
1398 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1400 if (htab->elf.dynobj == NULL)
1401 htab->elf.dynobj = abfd;
1402 if (!create_ifunc_sections (htab->elf.dynobj, info))
1405 rel_end = relocs + num_relocs;
1406 for (rel = relocs; rel < rel_end; rel++)
1408 unsigned int r_type;
1409 unsigned int r_symndx;
1410 struct elf_link_hash_entry *h;
1411 struct _bfd_sparc_elf_link_hash_entry *eh;
1412 Elf_Internal_Sym *isym;
1414 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1415 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1417 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1419 /* xgettext:c-format */
1420 _bfd_error_handler (_("%B: bad symbol index: %d"), abfd, r_symndx);
1425 if (r_symndx < symtab_hdr->sh_info)
1427 /* A local symbol. */
1428 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1433 /* Check relocation against local STT_GNU_IFUNC symbol. */
1434 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1436 h = elf_sparc_get_local_sym_hash (htab, abfd, rel,
1441 /* Fake a STT_GNU_IFUNC symbol. */
1442 h->type = STT_GNU_IFUNC;
1445 h->forced_local = 1;
1446 h->root.type = bfd_link_hash_defined;
1453 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1454 while (h->root.type == bfd_link_hash_indirect
1455 || h->root.type == bfd_link_hash_warning)
1456 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1459 if (h && h->type == STT_GNU_IFUNC)
1464 h->plt.refcount += 1;
1468 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1469 with R_SPARC_TLS_GD_HI22. */
1470 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1473 case R_SPARC_TLS_GD_HI22:
1475 const Elf_Internal_Rela *relt;
1477 for (relt = rel + 1; relt < rel_end; relt++)
1478 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1479 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1480 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1482 checked_tlsgd = TRUE;
1483 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1486 case R_SPARC_TLS_GD_LO10:
1487 case R_SPARC_TLS_GD_ADD:
1488 case R_SPARC_TLS_GD_CALL:
1489 checked_tlsgd = TRUE;
1490 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1494 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1495 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1499 case R_SPARC_TLS_LDM_HI22:
1500 case R_SPARC_TLS_LDM_LO10:
1501 htab->tls_ldm_got.refcount += 1;
1503 eh->has_got_reloc = 1;
1506 case R_SPARC_TLS_LE_HIX22:
1507 case R_SPARC_TLS_LE_LOX10:
1508 if (bfd_link_pic (info))
1512 case R_SPARC_TLS_IE_HI22:
1513 case R_SPARC_TLS_IE_LO10:
1514 if (bfd_link_pic (info))
1515 info->flags |= DF_STATIC_TLS;
1521 case R_SPARC_GOTDATA_HIX22:
1522 case R_SPARC_GOTDATA_LOX10:
1523 case R_SPARC_GOTDATA_OP_HIX22:
1524 case R_SPARC_GOTDATA_OP_LOX10:
1525 case R_SPARC_TLS_GD_HI22:
1526 case R_SPARC_TLS_GD_LO10:
1527 /* This symbol requires a global offset table entry. */
1529 int tls_type, old_tls_type;
1537 case R_SPARC_GOTDATA_OP_HIX22:
1538 case R_SPARC_GOTDATA_OP_LOX10:
1539 tls_type = GOT_NORMAL;
1541 case R_SPARC_TLS_GD_HI22:
1542 case R_SPARC_TLS_GD_LO10:
1543 tls_type = GOT_TLS_GD;
1545 case R_SPARC_TLS_IE_HI22:
1546 case R_SPARC_TLS_IE_LO10:
1547 tls_type = GOT_TLS_IE;
1553 h->got.refcount += 1;
1554 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1558 bfd_signed_vma *local_got_refcounts;
1560 /* This is a global offset table entry for a local symbol. */
1561 local_got_refcounts = elf_local_got_refcounts (abfd);
1562 if (local_got_refcounts == NULL)
1566 size = symtab_hdr->sh_info;
1567 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1568 local_got_refcounts = ((bfd_signed_vma *)
1569 bfd_zalloc (abfd, size));
1570 if (local_got_refcounts == NULL)
1572 elf_local_got_refcounts (abfd) = local_got_refcounts;
1573 _bfd_sparc_elf_local_got_tls_type (abfd)
1574 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1578 case R_SPARC_GOTDATA_OP_HIX22:
1579 case R_SPARC_GOTDATA_OP_LOX10:
1583 local_got_refcounts[r_symndx] += 1;
1586 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1589 /* If a TLS symbol is accessed using IE at least once,
1590 there is no point to use dynamic model for it. */
1591 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1592 && (old_tls_type != GOT_TLS_GD
1593 || tls_type != GOT_TLS_IE))
1595 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1596 tls_type = old_tls_type;
1600 /* xgettext:c-format */
1601 (_("%B: `%s' accessed both as normal and thread local symbol"),
1602 abfd, h ? h->root.root.string : "<local>");
1607 if (old_tls_type != tls_type)
1610 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1612 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1616 if (htab->elf.sgot == NULL)
1618 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
1623 eh->has_got_reloc = 1;
1626 case R_SPARC_TLS_GD_CALL:
1627 case R_SPARC_TLS_LDM_CALL:
1628 if (bfd_link_pic (info))
1630 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1632 h = (struct elf_link_hash_entry *)
1633 bfd_link_hash_lookup (info->hash, "__tls_get_addr", TRUE,
1641 case R_SPARC_WPLT30:
1642 case R_SPARC_HIPLT22:
1643 case R_SPARC_LOPLT10:
1644 case R_SPARC_PCPLT32:
1645 case R_SPARC_PCPLT22:
1646 case R_SPARC_PCPLT10:
1648 /* This symbol requires a procedure linkage table entry. We
1649 actually build the entry in adjust_dynamic_symbol,
1650 because this might be a case of linking PIC code without
1651 linking in any dynamic objects, in which case we don't
1652 need to generate a procedure linkage table after all. */
1656 if (! ABI_64_P (abfd))
1658 /* The Solaris native assembler will generate a WPLT30
1659 reloc for a local symbol if you assemble a call from
1660 one section to another when using -K pic. We treat
1662 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1666 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1667 else if (r_type == R_SPARC_WPLT30)
1670 /* It does not make sense to have a procedure linkage
1671 table entry for a local symbol. */
1672 bfd_set_error (bfd_error_bad_value);
1681 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1682 if (this_r_type == R_SPARC_PLT32
1683 || this_r_type == R_SPARC_PLT64)
1686 h->plt.refcount += 1;
1688 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1689 eh->has_got_reloc = 1;
1694 case R_SPARC_PC_HH22:
1695 case R_SPARC_PC_HM10:
1696 case R_SPARC_PC_LM22:
1701 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1706 case R_SPARC_DISP16:
1707 case R_SPARC_DISP32:
1708 case R_SPARC_DISP64:
1709 case R_SPARC_WDISP30:
1710 case R_SPARC_WDISP22:
1711 case R_SPARC_WDISP19:
1712 case R_SPARC_WDISP16:
1713 case R_SPARC_WDISP10:
1743 if (eh != NULL && (sec->flags & SEC_CODE) != 0)
1744 eh->has_non_got_reloc = 1;
1747 if (h != NULL && !bfd_link_pic (info))
1749 /* We may need a .plt entry if the function this reloc
1750 refers to is in a shared lib. */
1751 h->plt.refcount += 1;
1754 /* If we are creating a shared library, and this is a reloc
1755 against a global symbol, or a non PC relative reloc
1756 against a local symbol, then we need to copy the reloc
1757 into the shared library. However, if we are linking with
1758 -Bsymbolic, we do not need to copy a reloc against a
1759 global symbol which is defined in an object we are
1760 including in the link (i.e., DEF_REGULAR is set). At
1761 this point we have not seen all the input files, so it is
1762 possible that DEF_REGULAR is not set now but will be set
1763 later (it is never cleared). In case of a weak definition,
1764 DEF_REGULAR may be cleared later by a strong definition in
1765 a shared library. We account for that possibility below by
1766 storing information in the relocs_copied field of the hash
1767 table entry. A similar situation occurs when creating
1768 shared libraries and symbol visibility changes render the
1771 If on the other hand, we are creating an executable, we
1772 may need to keep relocations for symbols satisfied by a
1773 dynamic library if we manage to avoid copy relocs for the
1775 if ((bfd_link_pic (info)
1776 && (sec->flags & SEC_ALLOC) != 0
1777 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1779 && (! SYMBOLIC_BIND (info, h)
1780 || h->root.type == bfd_link_hash_defweak
1781 || !h->def_regular))))
1782 || (!bfd_link_pic (info)
1783 && (sec->flags & SEC_ALLOC) != 0
1785 && (h->root.type == bfd_link_hash_defweak
1786 || !h->def_regular))
1787 || (!bfd_link_pic (info)
1789 && h->type == STT_GNU_IFUNC))
1791 struct elf_dyn_relocs *p;
1792 struct elf_dyn_relocs **head;
1794 /* When creating a shared object, we must copy these
1795 relocs into the output file. We create a reloc
1796 section in dynobj and make room for the reloc. */
1799 sreloc = _bfd_elf_make_dynamic_reloc_section
1800 (sec, htab->elf.dynobj, htab->word_align_power,
1801 abfd, /*rela?*/ TRUE);
1807 /* If this is a global symbol, we count the number of
1808 relocations we need for this symbol. */
1810 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1813 /* Track dynamic relocs needed for local syms too.
1814 We really need local syms available to do this
1819 BFD_ASSERT (isym != NULL);
1820 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1824 vpp = &elf_section_data (s)->local_dynrel;
1825 head = (struct elf_dyn_relocs **) vpp;
1829 if (p == NULL || p->sec != sec)
1831 bfd_size_type amt = sizeof *p;
1832 p = ((struct elf_dyn_relocs *)
1833 bfd_alloc (htab->elf.dynobj, amt));
1844 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1850 case R_SPARC_GNU_VTINHERIT:
1851 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1855 case R_SPARC_GNU_VTENTRY:
1856 BFD_ASSERT (h != NULL);
1858 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1862 case R_SPARC_REGISTER:
1863 /* Nothing to do. */
1875 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1876 struct bfd_link_info *info,
1877 Elf_Internal_Rela *rel,
1878 struct elf_link_hash_entry *h,
1879 Elf_Internal_Sym *sym)
1882 switch (SPARC_ELF_R_TYPE (rel->r_info))
1884 case R_SPARC_GNU_VTINHERIT:
1885 case R_SPARC_GNU_VTENTRY:
1889 /* FIXME: The test here, in check_relocs and in relocate_section
1890 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
1891 if (bfd_link_pic (info))
1893 switch (SPARC_ELF_R_TYPE (rel->r_info))
1895 case R_SPARC_TLS_GD_CALL:
1896 case R_SPARC_TLS_LDM_CALL:
1897 /* This reloc implicitly references __tls_get_addr. We know
1898 another reloc will reference the same symbol as the one
1899 on this reloc, so the real symbol and section will be
1900 gc marked when processing the other reloc. That lets
1901 us handle __tls_get_addr here. */
1902 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1903 FALSE, FALSE, TRUE);
1904 BFD_ASSERT (h != NULL);
1906 if (h->is_weakalias)
1907 weakdef (h)->mark = 1;
1912 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1915 static Elf_Internal_Rela *
1916 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1917 Elf_Internal_Rela *relend,
1920 while (rel < relend)
1922 if (rel->r_offset == offset)
1929 /* Remove undefined weak symbol from the dynamic symbol table if it
1930 is resolved to 0. */
1933 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
1934 struct elf_link_hash_entry *h)
1936 if (h->dynindx != -1
1937 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
1938 _bfd_sparc_elf_hash_entry (h)))
1941 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
1947 /* Find dynamic relocs for H that apply to read-only sections. */
1950 readonly_dynrelocs (struct elf_link_hash_entry *h)
1952 struct elf_dyn_relocs *p;
1954 for (p = _bfd_sparc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
1956 asection *s = p->sec->output_section;
1958 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1964 /* Adjust a symbol defined by a dynamic object and referenced by a
1965 regular object. The current definition is in some section of the
1966 dynamic object, but we're not including those sections. We have to
1967 change the definition to something the rest of the link can
1971 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1972 struct elf_link_hash_entry *h)
1974 struct _bfd_sparc_elf_link_hash_table *htab;
1977 htab = _bfd_sparc_elf_hash_table (info);
1978 BFD_ASSERT (htab != NULL);
1980 /* Make sure we know what is going on here. */
1981 BFD_ASSERT (htab->elf.dynobj != NULL
1983 || h->type == STT_GNU_IFUNC
1987 && !h->def_regular)));
1989 /* If this is a function, put it in the procedure linkage table. We
1990 will fill in the contents of the procedure linkage table later
1991 (although we could actually do it here). The STT_NOTYPE
1992 condition is a hack specifically for the Oracle libraries
1993 delivered for Solaris; for some inexplicable reason, they define
1994 some of their functions as STT_NOTYPE when they really should be
1996 if (h->type == STT_FUNC
1997 || h->type == STT_GNU_IFUNC
1999 || (h->type == STT_NOTYPE
2000 && (h->root.type == bfd_link_hash_defined
2001 || h->root.type == bfd_link_hash_defweak)
2002 && (h->root.u.def.section->flags & SEC_CODE) != 0))
2004 if (h->plt.refcount <= 0
2005 || (h->type != STT_GNU_IFUNC
2006 && (SYMBOL_CALLS_LOCAL (info, h)
2007 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2008 && h->root.type == bfd_link_hash_undefweak))))
2010 /* This case can occur if we saw a WPLT30 reloc in an input
2011 file, but the symbol was never referred to by a dynamic
2012 object, or if all references were garbage collected. In
2013 such a case, we don't actually need to build a procedure
2014 linkage table, and we can just do a WDISP30 reloc instead. */
2015 h->plt.offset = (bfd_vma) -1;
2022 h->plt.offset = (bfd_vma) -1;
2024 /* If this is a weak symbol, and there is a real definition, the
2025 processor independent code will have arranged for us to see the
2026 real definition first, and we can just use the same value. */
2027 if (h->is_weakalias)
2029 struct elf_link_hash_entry *def = weakdef (h);
2030 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2031 h->root.u.def.section = def->root.u.def.section;
2032 h->root.u.def.value = def->root.u.def.value;
2036 /* This is a reference to a symbol defined by a dynamic object which
2037 is not a function. */
2039 /* If we are creating a shared library, we must presume that the
2040 only references to the symbol are via the global offset table.
2041 For such cases we need not do anything here; the relocations will
2042 be handled correctly by relocate_section. */
2043 if (bfd_link_pic (info))
2046 /* If there are no references to this symbol that do not use the
2047 GOT, we don't need to generate a copy reloc. */
2048 if (!h->non_got_ref)
2051 /* If -z nocopyreloc was given, we won't generate them either. */
2052 if (info->nocopyreloc)
2058 /* If we don't find any dynamic relocs in read-only sections, then
2059 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2060 if (!readonly_dynrelocs (h))
2066 /* We must allocate the symbol in our .dynbss section, which will
2067 become part of the .bss section of the executable. There will be
2068 an entry for this symbol in the .dynsym section. The dynamic
2069 object will contain position independent code, so all references
2070 from the dynamic object to this symbol will go through the global
2071 offset table. The dynamic linker will use the .dynsym entry to
2072 determine the address it must put in the global offset table, so
2073 both the dynamic object and the regular object will refer to the
2074 same memory location for the variable. */
2076 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2077 to copy the initial value out of the dynamic object and into the
2078 runtime process image. We need to remember the offset into the
2079 .rel.bss section we are going to use. */
2080 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2082 s = htab->elf.sdynrelro;
2083 srel = htab->elf.sreldynrelro;
2087 s = htab->elf.sdynbss;
2088 srel = htab->elf.srelbss;
2090 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2092 srel->size += SPARC_ELF_RELA_BYTES (htab);
2096 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2099 /* Allocate space in .plt, .got and associated reloc sections for
2103 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2105 struct bfd_link_info *info;
2106 struct _bfd_sparc_elf_link_hash_table *htab;
2107 struct _bfd_sparc_elf_link_hash_entry *eh;
2108 struct elf_dyn_relocs *p;
2109 bfd_boolean resolved_to_zero;
2111 if (h->root.type == bfd_link_hash_indirect)
2114 info = (struct bfd_link_info *) inf;
2115 htab = _bfd_sparc_elf_hash_table (info);
2116 BFD_ASSERT (htab != NULL);
2118 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2119 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
2121 if ((htab->elf.dynamic_sections_created
2122 && h->plt.refcount > 0)
2123 || (h->type == STT_GNU_IFUNC
2127 /* Make sure this symbol is output as a dynamic symbol.
2128 Undefined weak syms won't yet be marked as dynamic. */
2129 if (h->dynindx == -1
2131 && !resolved_to_zero
2132 && h->root.type == bfd_link_hash_undefweak)
2134 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2138 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2139 || (h->type == STT_GNU_IFUNC
2142 asection *s = htab->elf.splt;
2147 /* Allocate room for the header. */
2150 s->size = htab->plt_header_size;
2152 /* Allocate space for the .rela.plt.unloaded relocations. */
2153 if (htab->is_vxworks && !bfd_link_pic (info))
2154 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2157 /* The procedure linkage table size is bounded by the magnitude
2158 of the offset we can describe in the entry. */
2159 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2160 (((bfd_vma)1 << 31) << 1) : 0x400000))
2162 bfd_set_error (bfd_error_bad_value);
2166 if (SPARC_ELF_WORD_BYTES(htab) == 8
2167 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2169 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2172 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2174 h->plt.offset = (s->size - (off * 8));
2177 h->plt.offset = s->size;
2179 /* If this symbol is not defined in a regular file, and we are
2180 not generating a shared library, then set the symbol to this
2181 location in the .plt. This is required to make function
2182 pointers compare as equal between the normal executable and
2183 the shared library. */
2184 if (! bfd_link_pic (info)
2187 h->root.u.def.section = s;
2188 h->root.u.def.value = h->plt.offset;
2191 /* Make room for this entry. */
2192 s->size += htab->plt_entry_size;
2194 /* There should be no PLT relocations against resolved undefined
2195 weak symbols in the executable. */
2196 if (!resolved_to_zero)
2198 /* We also need to make an entry in the .rela.plt section. */
2199 if (s == htab->elf.splt)
2200 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2202 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2205 if (htab->is_vxworks)
2207 /* Allocate space for the .got.plt entry. */
2208 htab->elf.sgotplt->size += 4;
2210 /* ...and for the .rela.plt.unloaded relocations. */
2211 if (!bfd_link_pic (info))
2212 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2217 h->plt.offset = (bfd_vma) -1;
2223 h->plt.offset = (bfd_vma) -1;
2227 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2228 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2229 if (h->got.refcount > 0
2230 && !bfd_link_pic (info)
2232 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2233 h->got.offset = (bfd_vma) -1;
2234 else if (h->got.refcount > 0)
2238 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2240 /* Make sure this symbol is output as a dynamic symbol.
2241 Undefined weak syms won't yet be marked as dynamic. */
2242 if (h->dynindx == -1
2244 && !resolved_to_zero
2245 && h->root.type == bfd_link_hash_undefweak)
2247 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2252 h->got.offset = s->size;
2253 s->size += SPARC_ELF_WORD_BYTES (htab);
2254 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2255 if (tls_type == GOT_TLS_GD)
2256 s->size += SPARC_ELF_WORD_BYTES (htab);
2257 dyn = htab->elf.dynamic_sections_created;
2258 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2259 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2260 global. No dynamic relocations are needed against resolved
2261 undefined weak symbols in an executable. */
2262 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2263 || tls_type == GOT_TLS_IE
2264 || h->type == STT_GNU_IFUNC)
2265 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2266 else if (tls_type == GOT_TLS_GD)
2267 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2268 else if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2269 && !resolved_to_zero)
2270 || h->root.type != bfd_link_hash_undefweak)
2271 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2272 bfd_link_pic (info),
2274 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2277 h->got.offset = (bfd_vma) -1;
2279 if (eh->dyn_relocs == NULL)
2282 /* In the shared -Bsymbolic case, discard space allocated for
2283 dynamic pc-relative relocs against symbols which turn out to be
2284 defined in regular objects. For the normal shared case, discard
2285 space for pc-relative relocs that have become local due to symbol
2286 visibility changes. */
2288 if (bfd_link_pic (info))
2290 if (SYMBOL_CALLS_LOCAL (info, h))
2292 struct elf_dyn_relocs **pp;
2294 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2296 p->count -= p->pc_count;
2305 if (htab->is_vxworks)
2307 struct elf_dyn_relocs **pp;
2309 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2311 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2318 /* Also discard relocs on undefined weak syms with non-default
2319 visibility or in PIE. */
2320 if (eh->dyn_relocs != NULL
2321 && h->root.type == bfd_link_hash_undefweak)
2323 /* An undefined weak symbol is never
2324 bound locally in a shared library. */
2326 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2327 || resolved_to_zero)
2331 /* Keep dynamic non-GOT/non-PLT relocation so that we
2332 can branch to 0 without PLT. */
2333 struct elf_dyn_relocs **pp;
2335 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2336 if (p->pc_count == 0)
2340 /* Remove other relocations. */
2341 p->count = p->pc_count;
2345 if (eh->dyn_relocs != NULL)
2347 /* Make sure undefined weak symbols are output
2348 as dynamic symbols in PIEs for dynamic non-GOT
2349 non-PLT reloations. */
2350 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2355 eh->dyn_relocs = NULL;
2358 /* Make sure undefined weak symbols are output as a dynamic
2360 else if (h->dynindx == -1
2361 && !h->forced_local)
2363 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2370 /* For the non-shared case, discard space for relocs against
2371 symbols which turn out to need copy relocs or are not
2374 if ((!h->non_got_ref
2375 || (h->root.type == bfd_link_hash_undefweak
2376 && !resolved_to_zero))
2379 || (htab->elf.dynamic_sections_created
2380 && (h->root.type == bfd_link_hash_undefweak
2381 || h->root.type == bfd_link_hash_undefined))))
2383 /* Make sure this symbol is output as a dynamic symbol.
2384 Undefined weak syms won't yet be marked as dynamic. */
2385 if (h->dynindx == -1
2387 && !resolved_to_zero
2388 && h->root.type == bfd_link_hash_undefweak)
2390 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2394 /* If that succeeded, we know we'll be keeping all the
2396 if (h->dynindx != -1)
2400 eh->dyn_relocs = NULL;
2405 /* Finally, allocate space. */
2406 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2408 asection *sreloc = elf_section_data (p->sec)->sreloc;
2409 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2415 /* Allocate space in .plt, .got and associated reloc sections for
2416 local dynamic relocs. */
2419 allocate_local_dynrelocs (void **slot, void *inf)
2421 struct elf_link_hash_entry *h
2422 = (struct elf_link_hash_entry *) *slot;
2424 if (h->type != STT_GNU_IFUNC
2428 || h->root.type != bfd_link_hash_defined)
2431 return allocate_dynrelocs (h, inf);
2434 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2435 read-only sections. */
2438 maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2442 if (h->root.type == bfd_link_hash_indirect)
2445 sec = readonly_dynrelocs (h);
2448 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2450 info->flags |= DF_TEXTREL;
2451 info->callbacks->minfo
2452 (_("%B: dynamic relocation against `%T' in read-only section `%A'\n"),
2453 sec->owner, h->root.root.string, sec);
2455 /* Not an error, just cut short the traversal. */
2461 /* Return true if the dynamic symbol for a given section should be
2462 omitted when creating a shared library. */
2465 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2466 struct bfd_link_info *info,
2469 /* We keep the .got section symbol so that explicit relocations
2470 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2471 can be turned into relocations against the .got symbol. */
2472 if (strcmp (p->name, ".got") == 0)
2475 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2478 /* Set the sizes of the dynamic sections. */
2481 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2482 struct bfd_link_info *info)
2484 struct _bfd_sparc_elf_link_hash_table *htab;
2489 htab = _bfd_sparc_elf_hash_table (info);
2490 BFD_ASSERT (htab != NULL);
2491 dynobj = htab->elf.dynobj;
2492 BFD_ASSERT (dynobj != NULL);
2494 if (elf_hash_table (info)->dynamic_sections_created)
2496 /* Set the contents of the .interp section to the interpreter. */
2497 if (bfd_link_executable (info) && !info->nointerp)
2499 s = bfd_get_linker_section (dynobj, ".interp");
2500 BFD_ASSERT (s != NULL);
2501 s->size = htab->dynamic_interpreter_size;
2502 s->contents = (unsigned char *) htab->dynamic_interpreter;
2507 /* Set up .got offsets for local syms, and space for local dynamic
2509 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2511 bfd_signed_vma *local_got;
2512 bfd_signed_vma *end_local_got;
2513 char *local_tls_type;
2514 bfd_size_type locsymcount;
2515 Elf_Internal_Shdr *symtab_hdr;
2518 if (! is_sparc_elf (ibfd))
2521 for (s = ibfd->sections; s != NULL; s = s->next)
2523 struct elf_dyn_relocs *p;
2525 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2527 if (!bfd_is_abs_section (p->sec)
2528 && bfd_is_abs_section (p->sec->output_section))
2530 /* Input section has been discarded, either because
2531 it is a copy of a linkonce section or due to
2532 linker script /DISCARD/, so we'll be discarding
2535 else if (htab->is_vxworks
2536 && strcmp (p->sec->output_section->name,
2539 /* Relocations in vxworks .tls_vars sections are
2540 handled specially by the loader. */
2542 else if (p->count != 0)
2544 srel = elf_section_data (p->sec)->sreloc;
2545 if (!htab->elf.dynamic_sections_created)
2546 srel = htab->elf.irelplt;
2547 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2548 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2550 info->flags |= DF_TEXTREL;
2551 info->callbacks->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
2552 p->sec->owner, p->sec);
2558 local_got = elf_local_got_refcounts (ibfd);
2562 symtab_hdr = &elf_symtab_hdr (ibfd);
2563 locsymcount = symtab_hdr->sh_info;
2564 end_local_got = local_got + locsymcount;
2565 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2567 srel = htab->elf.srelgot;
2568 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2572 *local_got = s->size;
2573 s->size += SPARC_ELF_WORD_BYTES (htab);
2574 if (*local_tls_type == GOT_TLS_GD)
2575 s->size += SPARC_ELF_WORD_BYTES (htab);
2576 if (bfd_link_pic (info)
2577 || *local_tls_type == GOT_TLS_GD
2578 || *local_tls_type == GOT_TLS_IE)
2579 srel->size += SPARC_ELF_RELA_BYTES (htab);
2582 *local_got = (bfd_vma) -1;
2586 if (htab->tls_ldm_got.refcount > 0)
2588 /* Allocate 2 got entries and 1 dynamic reloc for
2589 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2590 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2591 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2592 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2595 htab->tls_ldm_got.offset = -1;
2597 /* Allocate global sym .plt and .got entries, and space for global
2598 sym dynamic relocs. */
2599 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2601 /* Allocate .plt and .got entries, and space for local symbols. */
2602 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2604 if (! ABI_64_P (output_bfd)
2605 && !htab->is_vxworks
2606 && elf_hash_table (info)->dynamic_sections_created)
2608 /* Make space for the trailing nop in .plt. */
2609 if (htab->elf.splt->size > 0)
2610 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2612 /* If the .got section is more than 0x1000 bytes, we add
2613 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2614 bit relocations have a greater chance of working.
2616 FIXME: Make this optimization work for 64-bit too. */
2617 if (htab->elf.sgot->size >= 0x1000
2618 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2619 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2622 /* The check_relocs and adjust_dynamic_symbol entry points have
2623 determined the sizes of the various dynamic sections. Allocate
2625 for (s = dynobj->sections; s != NULL; s = s->next)
2627 if ((s->flags & SEC_LINKER_CREATED) == 0)
2630 if (s == htab->elf.splt
2631 || s == htab->elf.sgot
2632 || s == htab->elf.sdynbss
2633 || s == htab->elf.sdynrelro
2634 || s == htab->elf.iplt
2635 || s == htab->elf.sgotplt)
2637 /* Strip this section if we don't need it; see the
2640 else if (CONST_STRNEQ (s->name, ".rela"))
2644 /* We use the reloc_count field as a counter if we need
2645 to copy relocs into the output file. */
2651 /* It's not one of our sections. */
2657 /* If we don't need this section, strip it from the
2658 output file. This is mostly to handle .rela.bss and
2659 .rela.plt. We must create both sections in
2660 create_dynamic_sections, because they must be created
2661 before the linker maps input sections to output
2662 sections. The linker does that before
2663 adjust_dynamic_symbol is called, and it is that
2664 function which decides whether anything needs to go
2665 into these sections. */
2666 s->flags |= SEC_EXCLUDE;
2670 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2673 /* Allocate memory for the section contents. Zero the memory
2674 for the benefit of .rela.plt, which has 4 unused entries
2675 at the beginning, and we don't want garbage. */
2676 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2677 if (s->contents == NULL)
2681 if (elf_hash_table (info)->dynamic_sections_created)
2683 /* Add some entries to the .dynamic section. We fill in the
2684 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2685 must add the entries now so that we get the correct size for
2686 the .dynamic section. The DT_DEBUG entry is filled in by the
2687 dynamic linker and used by the debugger. */
2688 #define add_dynamic_entry(TAG, VAL) \
2689 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2691 if (bfd_link_executable (info))
2693 if (!add_dynamic_entry (DT_DEBUG, 0))
2697 if (htab->elf.srelplt->size != 0)
2699 if (!add_dynamic_entry (DT_PLTGOT, 0)
2700 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2701 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2702 || !add_dynamic_entry (DT_JMPREL, 0))
2706 if (!add_dynamic_entry (DT_RELA, 0)
2707 || !add_dynamic_entry (DT_RELASZ, 0)
2708 || !add_dynamic_entry (DT_RELAENT,
2709 SPARC_ELF_RELA_BYTES (htab)))
2712 /* If any dynamic relocs apply to a read-only section,
2713 then we need a DT_TEXTREL entry. */
2714 if ((info->flags & DF_TEXTREL) == 0)
2715 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
2717 if (info->flags & DF_TEXTREL)
2719 if (!add_dynamic_entry (DT_TEXTREL, 0))
2723 if (ABI_64_P (output_bfd))
2726 struct _bfd_sparc_elf_app_reg * app_regs;
2727 struct elf_strtab_hash *dynstr;
2728 struct elf_link_hash_table *eht = elf_hash_table (info);
2730 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2731 entries if needed. */
2732 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2733 dynstr = eht->dynstr;
2735 for (reg = 0; reg < 4; reg++)
2736 if (app_regs [reg].name != NULL)
2738 struct elf_link_local_dynamic_entry *entry, *e;
2740 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2743 entry = (struct elf_link_local_dynamic_entry *)
2744 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2748 /* We cheat here a little bit: the symbol will not be local, so we
2749 put it at the end of the dynlocal linked list. We will fix it
2750 later on, as we have to fix other fields anyway. */
2751 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2752 entry->isym.st_size = 0;
2753 if (*app_regs [reg].name != '\0')
2755 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2757 entry->isym.st_name = 0;
2758 entry->isym.st_other = 0;
2759 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2761 entry->isym.st_shndx = app_regs [reg].shndx;
2762 entry->isym.st_target_internal = 0;
2764 entry->input_bfd = output_bfd;
2765 entry->input_indx = -1;
2767 if (eht->dynlocal == NULL)
2768 eht->dynlocal = entry;
2771 for (e = eht->dynlocal; e->next; e = e->next)
2778 if (htab->is_vxworks
2779 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2782 #undef add_dynamic_entry
2788 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2790 if (!sec->used_by_bfd)
2792 struct _bfd_sparc_elf_section_data *sdata;
2793 bfd_size_type amt = sizeof (*sdata);
2795 sdata = bfd_zalloc (abfd, amt);
2798 sec->used_by_bfd = sdata;
2801 return _bfd_elf_new_section_hook (abfd, sec);
2805 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2806 struct bfd_section *section,
2807 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2810 if (bfd_link_relocatable (link_info))
2811 (*link_info->callbacks->einfo)
2812 (_("%P%F: --relax and -r may not be used together\n"));
2815 sec_do_relax (section) = 1;
2819 /* Return the base VMA address which should be subtracted from real addresses
2820 when resolving @dtpoff relocation.
2821 This is PT_TLS segment p_vaddr. */
2824 dtpoff_base (struct bfd_link_info *info)
2826 /* If tls_sec is NULL, we should have signalled an error already. */
2827 if (elf_hash_table (info)->tls_sec == NULL)
2829 return elf_hash_table (info)->tls_sec->vma;
2832 /* Return the relocation value for @tpoff relocation
2833 if STT_TLS virtual address is ADDRESS. */
2836 tpoff (struct bfd_link_info *info, bfd_vma address)
2838 struct elf_link_hash_table *htab = elf_hash_table (info);
2839 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2840 bfd_vma static_tls_size;
2842 /* If tls_sec is NULL, we should have signalled an error already. */
2843 if (htab->tls_sec == NULL)
2846 /* Consider special static TLS alignment requirements. */
2847 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2848 return address - static_tls_size - htab->tls_sec->vma;
2851 /* Return the relocation value for a %gdop relocation. */
2854 gdopoff (struct bfd_link_info *info, bfd_vma address)
2856 struct elf_link_hash_table *htab = elf_hash_table (info);
2859 got_base = (htab->hgot->root.u.def.value
2860 + htab->hgot->root.u.def.section->output_offset
2861 + htab->hgot->root.u.def.section->output_section->vma);
2863 return address - got_base;
2866 /* Return whether H is local and its ADDRESS is within 4G of
2867 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2868 sethi, xor sequence. */
2871 gdop_relative_offset_ok (struct bfd_link_info *info,
2872 struct elf_link_hash_entry *h,
2873 bfd_vma address ATTRIBUTE_UNUSED)
2875 if (!SYMBOL_REFERENCES_LOCAL (info, h))
2877 /* If H is undefined, ADDRESS will be zero. We can't allow a
2878 relative offset to "zero" when producing PIEs or shared libs.
2879 Note that to get here with an undefined symbol it must also be
2880 hidden or internal visibility. */
2881 if (bfd_link_pic (info)
2883 && (h->root.type == bfd_link_hash_undefweak
2884 || h->root.type == bfd_link_hash_undefined))
2887 return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
2893 /* Relocate a SPARC ELF section. */
2896 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2897 struct bfd_link_info *info,
2899 asection *input_section,
2901 Elf_Internal_Rela *relocs,
2902 Elf_Internal_Sym *local_syms,
2903 asection **local_sections)
2905 struct _bfd_sparc_elf_link_hash_table *htab;
2906 Elf_Internal_Shdr *symtab_hdr;
2907 struct elf_link_hash_entry **sym_hashes;
2908 bfd_vma *local_got_offsets;
2911 Elf_Internal_Rela *rel;
2912 Elf_Internal_Rela *relend;
2914 bfd_boolean is_vxworks_tls;
2916 htab = _bfd_sparc_elf_hash_table (info);
2917 BFD_ASSERT (htab != NULL);
2918 symtab_hdr = &elf_symtab_hdr (input_bfd);
2919 sym_hashes = elf_sym_hashes (input_bfd);
2920 local_got_offsets = elf_local_got_offsets (input_bfd);
2922 if (elf_hash_table (info)->hgot == NULL)
2925 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2927 sreloc = elf_section_data (input_section)->sreloc;
2928 /* We have to handle relocations in vxworks .tls_vars sections
2929 specially, because the dynamic loader is 'weird'. */
2930 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
2931 && !strcmp (input_section->output_section->name,
2935 if (ABI_64_P (output_bfd))
2936 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2938 num_relocs = input_section->reloc_count;
2939 relend = relocs + num_relocs;
2940 for (; rel < relend; rel++)
2942 int r_type, tls_type;
2943 reloc_howto_type *howto;
2944 unsigned long r_symndx;
2945 struct elf_link_hash_entry *h;
2946 struct _bfd_sparc_elf_link_hash_entry *eh;
2947 Elf_Internal_Sym *sym;
2949 bfd_vma relocation, off;
2950 bfd_reloc_status_type r;
2951 bfd_boolean is_plt = FALSE;
2952 bfd_boolean unresolved_reloc;
2953 bfd_boolean resolved_to_zero;
2954 bfd_boolean relative_reloc;
2956 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2957 if (r_type == R_SPARC_GNU_VTINHERIT
2958 || r_type == R_SPARC_GNU_VTENTRY)
2961 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2963 bfd_set_error (bfd_error_bad_value);
2966 howto = _bfd_sparc_elf_howto_table + r_type;
2968 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2972 unresolved_reloc = FALSE;
2973 if (r_symndx < symtab_hdr->sh_info)
2975 sym = local_syms + r_symndx;
2976 sec = local_sections[r_symndx];
2977 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2979 if (!bfd_link_relocatable (info)
2980 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2982 /* Relocate against local STT_GNU_IFUNC symbol. */
2983 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
2988 /* Set STT_GNU_IFUNC symbol value. */
2989 h->root.u.def.value = sym->st_value;
2990 h->root.u.def.section = sec;
2995 bfd_boolean warned, ignored;
2997 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2998 r_symndx, symtab_hdr, sym_hashes,
3000 unresolved_reloc, warned, ignored);
3003 /* To avoid generating warning messages about truncated
3004 relocations, set the relocation's address to be the same as
3005 the start of this section. */
3006 if (input_section->output_section != NULL)
3007 relocation = input_section->output_section->vma;
3013 if (sec != NULL && discarded_section (sec))
3014 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3015 rel, 1, relend, howto, 0, contents);
3017 if (bfd_link_relocatable (info))
3021 && h->type == STT_GNU_IFUNC
3027 if ((input_section->flags & SEC_ALLOC) == 0
3028 || h->plt.offset == (bfd_vma) -1)
3031 plt_sec = htab->elf.splt;
3033 plt_sec =htab->elf.iplt;
3037 case R_SPARC_GOTDATA_OP:
3040 case R_SPARC_GOTDATA_OP_HIX22:
3041 case R_SPARC_GOTDATA_OP_LOX10:
3042 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3045 howto = _bfd_sparc_elf_howto_table + r_type;
3051 if (htab->elf.sgot == NULL)
3053 off = h->got.offset;
3054 if (off == (bfd_vma) -1)
3056 relocation = htab->elf.sgot->output_offset + off - got_base;
3059 case R_SPARC_WPLT30:
3060 case R_SPARC_WDISP30:
3061 relocation = (plt_sec->output_section->vma
3062 + plt_sec->output_offset + h->plt.offset);
3067 if (bfd_link_pic (info) && h->non_got_ref)
3069 Elf_Internal_Rela outrel;
3072 offset = _bfd_elf_section_offset (output_bfd, info,
3075 if (offset == (bfd_vma) -1
3076 || offset == (bfd_vma) -2)
3079 outrel.r_offset = (input_section->output_section->vma
3080 + input_section->output_offset
3083 if (h->dynindx == -1
3085 || bfd_link_executable (info))
3087 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3088 0, R_SPARC_IRELATIVE);
3089 outrel.r_addend = relocation + rel->r_addend;
3093 if (h->dynindx == -1)
3095 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3096 outrel.r_addend = rel->r_addend;
3099 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3103 relocation = (plt_sec->output_section->vma
3104 + plt_sec->output_offset + h->plt.offset);
3109 /* We should only see such relocs in static links. */
3110 if (bfd_link_pic (info))
3112 relocation = (plt_sec->output_section->vma
3113 + plt_sec->output_offset + h->plt.offset);
3117 if (h->root.root.string)
3118 name = h->root.root.string;
3120 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3123 /* xgettext:c-format */
3124 (_("%B: relocation %s against STT_GNU_IFUNC "
3125 "symbol `%s' isn't handled by %s"), input_bfd,
3126 _bfd_sparc_elf_howto_table[r_type].name,
3127 name, __FUNCTION__);
3128 bfd_set_error (bfd_error_bad_value);
3133 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
3134 resolved_to_zero = (eh != NULL
3135 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
3139 case R_SPARC_GOTDATA_OP_HIX22:
3140 case R_SPARC_GOTDATA_OP_LOX10:
3141 if (gdop_relative_offset_ok (info, h, relocation))
3143 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3144 ? R_SPARC_GOTDATA_HIX22
3145 : R_SPARC_GOTDATA_LOX10);
3146 howto = _bfd_sparc_elf_howto_table + r_type;
3150 case R_SPARC_GOTDATA_OP:
3151 if (gdop_relative_offset_ok (info, h, relocation))
3153 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3155 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3156 relocation = 0x80000000 | (insn & 0x3e07c01f);
3157 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3164 case R_SPARC_GOTDATA_HIX22:
3165 case R_SPARC_GOTDATA_LOX10:
3166 relocation = gdopoff (info, relocation);
3169 case R_SPARC_GOTDATA_OP_HIX22:
3170 case R_SPARC_GOTDATA_OP_LOX10:
3174 /* Relocation is to the entry for this symbol in the global
3176 if (htab->elf.sgot == NULL)
3179 relative_reloc = FALSE;
3184 off = h->got.offset;
3185 BFD_ASSERT (off != (bfd_vma) -1);
3186 dyn = elf_hash_table (info)->dynamic_sections_created;
3188 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3189 bfd_link_pic (info),
3191 || (bfd_link_pic (info)
3192 && SYMBOL_REFERENCES_LOCAL (info, h)))
3194 /* This is actually a static link, or it is a
3195 -Bsymbolic link and the symbol is defined
3196 locally, or the symbol was forced to be local
3197 because of a version file. We must initialize
3198 this entry in the global offset table. Since the
3199 offset must always be a multiple of 8 for 64-bit
3200 and 4 for 32-bit, we use the least significant bit
3201 to record whether we have initialized it already.
3203 When doing a dynamic link, we create a .rela.got
3204 relocation entry to initialize the value. This
3205 is done in the finish_dynamic_symbol routine. */
3210 if (h->dynindx == -1
3212 && h->root.type != bfd_link_hash_undefweak
3213 && bfd_link_pic (info))
3215 /* If this symbol isn't dynamic in PIC
3216 generate R_SPARC_RELATIVE here. */
3217 relative_reloc = TRUE;
3220 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3221 htab->elf.sgot->contents + off);
3226 unresolved_reloc = FALSE;
3230 BFD_ASSERT (local_got_offsets != NULL
3231 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3233 off = local_got_offsets[r_symndx];
3235 /* The offset must always be a multiple of 8 on 64-bit and
3236 4 on 32-bit. We use the least significant bit to record
3237 whether we have already processed this entry. */
3242 if (bfd_link_pic (info))
3243 relative_reloc = TRUE;
3245 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3246 htab->elf.sgot->contents + off);
3247 local_got_offsets[r_symndx] |= 1;
3254 Elf_Internal_Rela outrel;
3256 /* We need to generate a R_SPARC_RELATIVE reloc
3257 for the dynamic linker. */
3258 s = htab->elf.srelgot;
3259 BFD_ASSERT (s != NULL);
3261 outrel.r_offset = (htab->elf.sgot->output_section->vma
3262 + htab->elf.sgot->output_offset
3264 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3265 0, R_SPARC_RELATIVE);
3266 outrel.r_addend = relocation;
3267 sparc_elf_append_rela (output_bfd, s, &outrel);
3268 /* Versions of glibc ld.so at least up to 2.26 wrongly
3269 add the section contents to the value calculated for
3270 a RELATIVE reloc. Zero the contents to work around
3273 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3274 htab->elf.sgot->contents + off);
3277 relocation = htab->elf.sgot->output_offset + off - got_base;
3282 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3284 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3289 case R_SPARC_WPLT30:
3290 case R_SPARC_HIPLT22:
3291 case R_SPARC_LOPLT10:
3292 case R_SPARC_PCPLT32:
3293 case R_SPARC_PCPLT22:
3294 case R_SPARC_PCPLT10:
3296 /* Relocation is to the entry for this symbol in the
3297 procedure linkage table. */
3299 if (! ABI_64_P (output_bfd))
3301 /* The Solaris native assembler will generate a WPLT30 reloc
3302 for a local symbol if you assemble a call from one
3303 section to another when using -K pic. We treat it as
3308 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3309 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3313 BFD_ASSERT (h != NULL);
3316 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3318 /* We didn't make a PLT entry for this symbol. This
3319 happens when statically linking PIC code, or when
3320 using -Bsymbolic. */
3324 relocation = (htab->elf.splt->output_section->vma
3325 + htab->elf.splt->output_offset
3327 unresolved_reloc = FALSE;
3328 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3330 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3338 case R_SPARC_PC_HH22:
3339 case R_SPARC_PC_HM10:
3340 case R_SPARC_PC_LM22:
3342 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3346 case R_SPARC_DISP16:
3347 case R_SPARC_DISP32:
3348 case R_SPARC_DISP64:
3349 case R_SPARC_WDISP30:
3350 case R_SPARC_WDISP22:
3351 case R_SPARC_WDISP19:
3352 case R_SPARC_WDISP16:
3353 case R_SPARC_WDISP10:
3381 if ((input_section->flags & SEC_ALLOC) == 0
3385 /* Copy dynamic function pointer relocations. Don't generate
3386 dynamic relocations against resolved undefined weak symbols
3388 if ((bfd_link_pic (info)
3390 || ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3391 && !resolved_to_zero)
3392 || h->root.type != bfd_link_hash_undefweak))
3393 && (! howto->pc_relative
3394 || !SYMBOL_CALLS_LOCAL (info, h)))
3395 || (!bfd_link_pic (info)
3401 || (h->root.type == bfd_link_hash_undefweak
3402 && !resolved_to_zero)
3403 || h->root.type == bfd_link_hash_undefined)))
3405 Elf_Internal_Rela outrel;
3406 bfd_boolean skip, relocate = FALSE;
3408 /* When generating a shared object, these relocations
3409 are copied into the output file to be resolved at run
3412 BFD_ASSERT (sreloc != NULL);
3417 _bfd_elf_section_offset (output_bfd, info, input_section,
3419 if (outrel.r_offset == (bfd_vma) -1)
3421 else if (outrel.r_offset == (bfd_vma) -2)
3422 skip = TRUE, relocate = TRUE;
3423 outrel.r_offset += (input_section->output_section->vma
3424 + input_section->output_offset);
3426 /* Optimize unaligned reloc usage now that we know where
3427 it finally resides. */
3431 if (outrel.r_offset & 1)
3432 r_type = R_SPARC_UA16;
3435 if (!(outrel.r_offset & 1))
3436 r_type = R_SPARC_16;
3439 if (outrel.r_offset & 3)
3440 r_type = R_SPARC_UA32;
3443 if (!(outrel.r_offset & 3))
3444 r_type = R_SPARC_32;
3447 if (outrel.r_offset & 7)
3448 r_type = R_SPARC_UA64;
3451 if (!(outrel.r_offset & 7))
3452 r_type = R_SPARC_64;
3455 case R_SPARC_DISP16:
3456 case R_SPARC_DISP32:
3457 case R_SPARC_DISP64:
3458 /* If the symbol is not dynamic, we should not keep
3459 a dynamic relocation. But an .rela.* slot has been
3460 allocated for it, output R_SPARC_NONE.
3461 FIXME: Add code tracking needed dynamic relocs as
3463 if (h->dynindx == -1)
3464 skip = TRUE, relocate = TRUE;
3469 memset (&outrel, 0, sizeof outrel);
3470 /* h->dynindx may be -1 if the symbol was marked to
3474 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3475 || !bfd_link_pic (info)
3476 || !SYMBOLIC_BIND (info, h)
3477 || !h->def_regular))
3479 BFD_ASSERT (h->dynindx != -1);
3480 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3481 outrel.r_addend = rel->r_addend;
3485 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3486 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
3488 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3489 0, R_SPARC_RELATIVE);
3490 outrel.r_addend = relocation + rel->r_addend;
3496 outrel.r_addend = relocation + rel->r_addend;
3499 sec = htab->elf.splt;
3501 if (bfd_is_abs_section (sec))
3503 else if (sec == NULL || sec->owner == NULL)
3505 bfd_set_error (bfd_error_bad_value);
3512 /* We are turning this relocation into one
3513 against a section symbol. It would be
3514 proper to subtract the symbol's value,
3515 osec->vma, from the emitted reloc addend,
3516 but ld.so expects buggy relocs. */
3517 osec = sec->output_section;
3518 indx = elf_section_data (osec)->dynindx;
3522 osec = htab->elf.text_index_section;
3523 indx = elf_section_data (osec)->dynindx;
3526 /* FIXME: we really should be able to link non-pic
3527 shared libraries. */
3532 (_("%B: probably compiled without -fPIC?"),
3534 bfd_set_error (bfd_error_bad_value);
3539 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3544 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3546 /* This reloc will be computed at runtime, so there's no
3547 need to do anything now. */
3553 case R_SPARC_TLS_GD_HI22:
3554 if (! ABI_64_P (input_bfd)
3555 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
3557 /* R_SPARC_REV32 used the same reloc number as
3558 R_SPARC_TLS_GD_HI22. */
3559 r_type = R_SPARC_REV32;
3564 case R_SPARC_TLS_GD_LO10:
3565 case R_SPARC_TLS_IE_HI22:
3566 case R_SPARC_TLS_IE_LO10:
3567 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
3568 tls_type = GOT_UNKNOWN;
3569 if (h == NULL && local_got_offsets)
3570 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3573 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3574 if (!bfd_link_pic (info)
3576 && tls_type == GOT_TLS_IE)
3577 switch (SPARC_ELF_R_TYPE (rel->r_info))
3579 case R_SPARC_TLS_GD_HI22:
3580 case R_SPARC_TLS_IE_HI22:
3581 r_type = R_SPARC_TLS_LE_HIX22;
3584 r_type = R_SPARC_TLS_LE_LOX10;
3588 if (tls_type == GOT_TLS_IE)
3591 case R_SPARC_TLS_GD_HI22:
3592 r_type = R_SPARC_TLS_IE_HI22;
3594 case R_SPARC_TLS_GD_LO10:
3595 r_type = R_SPARC_TLS_IE_LO10;
3599 if (r_type == R_SPARC_TLS_LE_HIX22)
3601 relocation = tpoff (info, relocation);
3604 if (r_type == R_SPARC_TLS_LE_LOX10)
3606 /* Change add into xor. */
3607 relocation = tpoff (info, relocation);
3608 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3609 contents + rel->r_offset)
3610 | 0x80182000), contents + rel->r_offset);
3616 off = h->got.offset;
3621 BFD_ASSERT (local_got_offsets != NULL);
3622 off = local_got_offsets[r_symndx];
3623 local_got_offsets[r_symndx] |= 1;
3627 if (htab->elf.sgot == NULL)
3634 Elf_Internal_Rela outrel;
3637 if (htab->elf.srelgot == NULL)
3640 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3641 htab->elf.sgot->contents + off);
3642 outrel.r_offset = (htab->elf.sgot->output_section->vma
3643 + htab->elf.sgot->output_offset + off);
3644 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3645 if (r_type == R_SPARC_TLS_IE_HI22
3646 || r_type == R_SPARC_TLS_IE_LO10)
3647 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3649 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3650 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3651 outrel.r_addend = relocation - dtpoff_base (info);
3653 outrel.r_addend = 0;
3654 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3655 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3657 if (r_type == R_SPARC_TLS_GD_HI22
3658 || r_type == R_SPARC_TLS_GD_LO10)
3662 BFD_ASSERT (! unresolved_reloc);
3663 SPARC_ELF_PUT_WORD (htab, output_bfd,
3664 relocation - dtpoff_base (info),
3665 (htab->elf.sgot->contents + off
3666 + SPARC_ELF_WORD_BYTES (htab)));
3670 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3671 (htab->elf.sgot->contents + off
3672 + SPARC_ELF_WORD_BYTES (htab)));
3673 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3674 SPARC_ELF_DTPOFF_RELOC (htab));
3675 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3676 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3680 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3682 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3683 (htab->elf.sgot->contents + off
3684 + SPARC_ELF_WORD_BYTES (htab)));
3688 if (off >= (bfd_vma) -2)
3691 relocation = htab->elf.sgot->output_offset + off - got_base;
3692 unresolved_reloc = FALSE;
3693 howto = _bfd_sparc_elf_howto_table + r_type;
3696 case R_SPARC_TLS_LDM_HI22:
3697 case R_SPARC_TLS_LDM_LO10:
3698 if (! bfd_link_pic (info))
3700 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3703 off = htab->tls_ldm_got.offset;
3704 htab->tls_ldm_got.offset |= 1;
3705 goto r_sparc_tlsldm;
3707 case R_SPARC_TLS_LDO_HIX22:
3708 case R_SPARC_TLS_LDO_LOX10:
3709 if (bfd_link_pic (info))
3711 relocation -= dtpoff_base (info);
3715 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3716 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3719 case R_SPARC_TLS_LE_HIX22:
3720 case R_SPARC_TLS_LE_LOX10:
3721 if (bfd_link_pic (info))
3723 Elf_Internal_Rela outrel;
3726 BFD_ASSERT (sreloc != NULL);
3729 _bfd_elf_section_offset (output_bfd, info, input_section,
3731 if (outrel.r_offset == (bfd_vma) -1)
3733 else if (outrel.r_offset == (bfd_vma) -2)
3735 outrel.r_offset += (input_section->output_section->vma
3736 + input_section->output_offset);
3738 memset (&outrel, 0, sizeof outrel);
3741 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3742 outrel.r_addend = relocation - dtpoff_base (info)
3746 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3749 relocation = tpoff (info, relocation);
3752 case R_SPARC_TLS_LDM_CALL:
3753 if (! bfd_link_pic (info))
3756 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3761 case R_SPARC_TLS_GD_CALL:
3762 tls_type = GOT_UNKNOWN;
3763 if (h == NULL && local_got_offsets)
3764 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3766 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3767 if (! bfd_link_pic (info)
3768 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3770 Elf_Internal_Rela *rel2;
3773 if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
3776 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3781 if (rel + 1 < relend
3782 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3783 && rel[1].r_offset == rel->r_offset + 4
3784 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3785 && (((insn = bfd_get_32 (input_bfd,
3786 contents + rel[1].r_offset))
3787 >> 25) & 0x1f) == 8)
3790 call __tls_get_addr, %tgd_call(foo)
3791 add %reg1, %reg2, %o0, %tgd_add(foo)
3792 and change it into IE:
3793 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3794 add %g7, %o0, %o0, %tie_add(foo).
3795 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3796 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3797 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3798 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3799 contents + rel->r_offset);
3800 bfd_put_32 (output_bfd, 0x9001c008,
3801 contents + rel->r_offset + 4);
3806 /* We cannot just overwrite the delay slot instruction,
3807 as it might be what puts the %o0 argument to
3808 __tls_get_addr into place. So we have to transpose
3809 the delay slot with the add we patch in. */
3810 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3811 bfd_put_32 (output_bfd, insn,
3812 contents + rel->r_offset);
3813 bfd_put_32 (output_bfd, 0x9001c008,
3814 contents + rel->r_offset + 4);
3817 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3821 /* If the instruction we moved has a relocation attached to
3822 it, adjust the offset so that it will apply to the correct
3824 rel2->r_offset -= 4;
3829 h = (struct elf_link_hash_entry *)
3830 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3832 BFD_ASSERT (h != NULL);
3833 r_type = R_SPARC_WPLT30;
3834 howto = _bfd_sparc_elf_howto_table + r_type;
3835 goto r_sparc_wplt30;
3837 case R_SPARC_TLS_GD_ADD:
3838 tls_type = GOT_UNKNOWN;
3839 if (h == NULL && local_got_offsets)
3840 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3842 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3843 if (! bfd_link_pic (info) || tls_type == GOT_TLS_IE)
3845 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3847 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3849 add %g7, %reg2, %reg3. */
3850 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3851 if ((h != NULL && h->dynindx != -1) || bfd_link_pic (info))
3852 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3854 relocation = (insn & ~0x7c000) | 0x1c000;
3855 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3859 case R_SPARC_TLS_LDM_ADD:
3860 if (! bfd_link_pic (info))
3861 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3864 case R_SPARC_TLS_LDO_ADD:
3865 if (! bfd_link_pic (info))
3867 /* Change rs1 into %g7. */
3868 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3869 insn = (insn & ~0x7c000) | 0x1c000;
3870 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3874 case R_SPARC_TLS_IE_LD:
3875 case R_SPARC_TLS_IE_LDX:
3876 if (! bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
3878 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3879 int rs2 = insn & 0x1f;
3880 int rd = (insn >> 25) & 0x1f;
3883 relocation = SPARC_NOP;
3885 relocation = 0x80100000 | (insn & 0x3e00001f);
3886 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3890 case R_SPARC_TLS_IE_ADD:
3891 /* Totally useless relocation. */
3894 case R_SPARC_TLS_DTPOFF32:
3895 case R_SPARC_TLS_DTPOFF64:
3896 relocation -= dtpoff_base (info);
3903 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3904 because such sections are not SEC_ALLOC and thus ld.so will
3905 not process them. */
3906 if (unresolved_reloc
3907 && !((input_section->flags & SEC_DEBUGGING) != 0
3909 && _bfd_elf_section_offset (output_bfd, info, input_section,
3910 rel->r_offset) != (bfd_vma) -1)
3912 /* xgettext:c-format */
3913 (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
3918 h->root.root.string);
3920 r = bfd_reloc_continue;
3921 if (r_type == R_SPARC_OLO10)
3925 if (! ABI_64_P (output_bfd))
3928 relocation += rel->r_addend;
3929 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3931 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3932 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3933 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3935 r = bfd_check_overflow (howto->complain_on_overflow,
3936 howto->bitsize, howto->rightshift,
3937 bfd_arch_bits_per_address (input_bfd),
3940 else if (r_type == R_SPARC_WDISP16)
3944 relocation += rel->r_addend;
3945 relocation -= (input_section->output_section->vma
3946 + input_section->output_offset);
3947 relocation -= rel->r_offset;
3949 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3950 x |= ((((relocation >> 2) & 0xc000) << 6)
3951 | ((relocation >> 2) & 0x3fff));
3952 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3954 r = bfd_check_overflow (howto->complain_on_overflow,
3955 howto->bitsize, howto->rightshift,
3956 bfd_arch_bits_per_address (input_bfd),
3959 else if (r_type == R_SPARC_WDISP10)
3963 relocation += rel->r_addend;
3964 relocation -= (input_section->output_section->vma
3965 + input_section->output_offset);
3966 relocation -= rel->r_offset;
3968 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3969 x |= ((((relocation >> 2) & 0x300) << 11)
3970 | (((relocation >> 2) & 0xff) << 5));
3971 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3973 r = bfd_check_overflow (howto->complain_on_overflow,
3974 howto->bitsize, howto->rightshift,
3975 bfd_arch_bits_per_address (input_bfd),
3978 else if (r_type == R_SPARC_REV32)
3982 relocation = relocation + rel->r_addend;
3984 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3986 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3989 else if (r_type == R_SPARC_TLS_LDO_HIX22
3990 || r_type == R_SPARC_TLS_LE_HIX22)
3994 relocation += rel->r_addend;
3995 if (r_type == R_SPARC_TLS_LE_HIX22)
3996 relocation ^= MINUS_ONE;
3998 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3999 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4000 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4003 else if (r_type == R_SPARC_TLS_LDO_LOX10
4004 || r_type == R_SPARC_TLS_LE_LOX10)
4008 relocation += rel->r_addend;
4009 relocation &= 0x3ff;
4010 if (r_type == R_SPARC_TLS_LE_LOX10)
4011 relocation |= 0x1c00;
4013 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4014 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4015 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4019 else if (r_type == R_SPARC_HIX22
4020 || r_type == R_SPARC_GOTDATA_HIX22
4021 || r_type == R_SPARC_GOTDATA_OP_HIX22)
4025 relocation += rel->r_addend;
4026 if (r_type == R_SPARC_HIX22
4027 || (bfd_signed_vma) relocation < 0)
4028 relocation = relocation ^ MINUS_ONE;
4030 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4031 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4032 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4034 r = bfd_check_overflow (howto->complain_on_overflow,
4035 howto->bitsize, howto->rightshift,
4036 bfd_arch_bits_per_address (input_bfd),
4039 else if (r_type == R_SPARC_LOX10
4040 || r_type == R_SPARC_GOTDATA_LOX10
4041 || r_type == R_SPARC_GOTDATA_OP_LOX10)
4045 relocation += rel->r_addend;
4046 if (r_type == R_SPARC_LOX10
4047 || (bfd_signed_vma) relocation < 0)
4048 relocation = (relocation & 0x3ff) | 0x1c00;
4050 relocation = (relocation & 0x3ff);
4052 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4053 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4054 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4058 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4059 && sec_do_relax (input_section)
4060 && rel->r_offset + 4 < input_section->size)
4064 #define XCC (2 << 20)
4065 #define COND(x) (((x)&0xf)<<25)
4066 #define CONDA COND(0x8)
4067 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4068 #define INSN_BA (F2(0,2) | CONDA)
4069 #define INSN_OR F3(2, 0x2, 0)
4070 #define INSN_NOP F2(0,4)
4074 /* If the instruction is a call with either:
4076 arithmetic instruction with rd == %o7
4077 where rs1 != %o7 and rs2 if it is register != %o7
4078 then we can optimize if the call destination is near
4079 by changing the call into a branch always. */
4080 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4081 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4082 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4084 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4085 || ((y & OP3(0x28)) == 0 /* arithmetic */
4086 && (y & RD(~0)) == RD(O7)))
4087 && (y & RS1(~0)) != RS1(O7)
4089 || (y & RS2(~0)) != RS2(O7)))
4093 reloc = relocation + rel->r_addend - rel->r_offset;
4094 reloc -= (input_section->output_section->vma
4095 + input_section->output_offset);
4097 /* Ensure the branch fits into simm22. */
4098 if ((reloc & 3) == 0
4099 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4100 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4104 /* Check whether it fits into simm19. */
4105 if (((reloc & 0x3c0000) == 0
4106 || (reloc & 0x3c0000) == 0x3c0000)
4107 && (ABI_64_P (output_bfd)
4108 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4109 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4111 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4112 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4114 if (rel->r_offset >= 4
4115 && (y & (0xffffffff ^ RS1(~0)))
4116 == (INSN_OR | RD(O7) | RS2(G0)))
4121 z = bfd_get_32 (input_bfd,
4122 contents + rel->r_offset - 4);
4123 if ((z & (0xffffffff ^ RD(~0)))
4124 != (INSN_OR | RS1(O7) | RS2(G0)))
4132 If call foo was replaced with ba, replace
4133 or %rN, %g0, %o7 with nop. */
4135 reg = (y & RS1(~0)) >> 14;
4136 if (reg != ((z & RD(~0)) >> 25)
4137 || reg == G0 || reg == O7)
4140 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4141 contents + rel->r_offset + 4);
4149 if (r == bfd_reloc_continue)
4152 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4153 contents, rel->r_offset,
4154 relocation, rel->r_addend);
4156 if (r != bfd_reloc_ok)
4161 case bfd_reloc_outofrange:
4163 case bfd_reloc_overflow:
4167 /* The Solaris native linker silently disregards overflows.
4168 We don't, but this breaks stabs debugging info, whose
4169 relocations are only 32-bits wide. Ignore overflows in
4170 this case and also for discarded entries. */
4171 if ((r_type == R_SPARC_32
4172 || r_type == R_SPARC_UA32
4173 || r_type == R_SPARC_DISP32)
4174 && (((input_section->flags & SEC_DEBUGGING) != 0
4175 && strcmp (bfd_section_name (input_bfd,
4178 || _bfd_elf_section_offset (output_bfd, info,
4186 /* Assume this is a call protected by other code that
4187 detect the symbol is undefined. If this is the case,
4188 we can safely ignore the overflow. If not, the
4189 program is hosed anyway, and a little warning isn't
4191 if (h->root.type == bfd_link_hash_undefweak
4192 && howto->pc_relative)
4199 name = bfd_elf_string_from_elf_section (input_bfd,
4200 symtab_hdr->sh_link,
4205 name = bfd_section_name (input_bfd, sec);
4207 (*info->callbacks->reloc_overflow)
4208 (info, (h ? &h->root : NULL), name, howto->name,
4209 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4219 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4220 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4221 is the offset of the associated .got.plt entry from
4222 _GLOBAL_OFFSET_TABLE_. */
4225 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4226 bfd_vma plt_offset, bfd_vma plt_index,
4230 const bfd_vma *plt_entry;
4231 struct _bfd_sparc_elf_link_hash_table *htab;
4233 Elf_Internal_Rela rela;
4235 htab = _bfd_sparc_elf_hash_table (info);
4236 BFD_ASSERT (htab != NULL);
4238 if (bfd_link_pic (info))
4240 plt_entry = sparc_vxworks_shared_plt_entry;
4245 plt_entry = sparc_vxworks_exec_plt_entry;
4246 got_base = (htab->elf.hgot->root.u.def.value
4247 + htab->elf.hgot->root.u.def.section->output_offset
4248 + htab->elf.hgot->root.u.def.section->output_section->vma);
4251 /* Fill in the entry in the procedure linkage table. */
4252 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4253 htab->elf.splt->contents + plt_offset);
4254 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4255 htab->elf.splt->contents + plt_offset + 4);
4256 bfd_put_32 (output_bfd, plt_entry[2],
4257 htab->elf.splt->contents + plt_offset + 8);
4258 bfd_put_32 (output_bfd, plt_entry[3],
4259 htab->elf.splt->contents + plt_offset + 12);
4260 bfd_put_32 (output_bfd, plt_entry[4],
4261 htab->elf.splt->contents + plt_offset + 16);
4262 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4263 htab->elf.splt->contents + plt_offset + 20);
4264 /* PC-relative displacement for a branch to the start of
4266 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4268 htab->elf.splt->contents + plt_offset + 24);
4269 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4270 htab->elf.splt->contents + plt_offset + 28);
4272 /* Fill in the .got.plt entry, pointing initially at the
4273 second half of the PLT entry. */
4274 BFD_ASSERT (htab->elf.sgotplt != NULL);
4275 bfd_put_32 (output_bfd,
4276 htab->elf.splt->output_section->vma
4277 + htab->elf.splt->output_offset
4279 htab->elf.sgotplt->contents + got_offset);
4281 /* Add relocations to .rela.plt.unloaded. */
4282 if (!bfd_link_pic (info))
4284 loc = (htab->srelplt2->contents
4285 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4287 /* Relocate the initial sethi. */
4288 rela.r_offset = (htab->elf.splt->output_section->vma
4289 + htab->elf.splt->output_offset
4291 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4292 rela.r_addend = got_offset;
4293 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4294 loc += sizeof (Elf32_External_Rela);
4296 /* Likewise the following or. */
4298 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4299 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4300 loc += sizeof (Elf32_External_Rela);
4302 /* Relocate the .got.plt entry. */
4303 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4304 + htab->elf.sgotplt->output_offset
4306 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4307 rela.r_addend = plt_offset + 20;
4308 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4312 /* Finish up dynamic symbol handling. We set the contents of various
4313 dynamic sections here. */
4316 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4317 struct bfd_link_info *info,
4318 struct elf_link_hash_entry *h,
4319 Elf_Internal_Sym *sym)
4321 struct _bfd_sparc_elf_link_hash_table *htab;
4322 const struct elf_backend_data *bed;
4323 struct _bfd_sparc_elf_link_hash_entry *eh;
4324 bfd_boolean local_undefweak;
4326 htab = _bfd_sparc_elf_hash_table (info);
4327 BFD_ASSERT (htab != NULL);
4328 bed = get_elf_backend_data (output_bfd);
4330 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
4332 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4333 resolved undefined weak symbols in executable so that their
4334 references have value 0 at run-time. */
4335 local_undefweak = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
4337 if (h->plt.offset != (bfd_vma) -1)
4341 Elf_Internal_Rela rela;
4343 bfd_vma r_offset, got_offset;
4346 /* When building a static executable, use .iplt and
4347 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4348 if (htab->elf.splt != NULL)
4350 splt = htab->elf.splt;
4351 srela = htab->elf.srelplt;
4355 splt = htab->elf.iplt;
4356 srela = htab->elf.irelplt;
4359 if (splt == NULL || srela == NULL)
4362 /* Fill in the entry in the .rela.plt section. */
4363 if (htab->is_vxworks)
4365 /* Work out the index of this PLT entry. */
4366 rela_index = ((h->plt.offset - htab->plt_header_size)
4367 / htab->plt_entry_size);
4369 /* Calculate the offset of the associated .got.plt entry.
4370 The first three entries are reserved. */
4371 got_offset = (rela_index + 3) * 4;
4373 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4374 rela_index, got_offset);
4377 /* On VxWorks, the relocation points to the .got.plt entry,
4378 not the .plt entry. */
4379 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4380 + htab->elf.sgotplt->output_offset
4383 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4388 bfd_boolean ifunc = FALSE;
4390 /* Fill in the entry in the procedure linkage table. */
4391 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4392 h->plt.offset, splt->size,
4397 || ((bfd_link_executable (info)
4398 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4400 && h->type == STT_GNU_IFUNC))
4403 BFD_ASSERT (h == NULL
4404 || (h->type == STT_GNU_IFUNC
4406 && (h->root.type == bfd_link_hash_defined
4407 || h->root.type == bfd_link_hash_defweak)));
4410 rela.r_offset = r_offset
4411 + (splt->output_section->vma + splt->output_offset);
4412 if (ABI_64_P (output_bfd)
4413 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4417 rela.r_addend = (h->root.u.def.section->output_section->vma
4418 + h->root.u.def.section->output_offset
4419 + h->root.u.def.value);
4420 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4425 rela.r_addend = (-(h->plt.offset + 4)
4426 - splt->output_section->vma
4427 - splt->output_offset);
4428 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4436 rela.r_addend = (h->root.u.def.section->output_section->vma
4437 + h->root.u.def.section->output_offset
4438 + h->root.u.def.value);
4439 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4445 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4451 /* Adjust for the first 4 reserved elements in the .plt section
4452 when setting the offset in the .rela.plt section.
4453 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4454 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4456 loc = srela->contents;
4457 loc += rela_index * bed->s->sizeof_rela;
4458 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4460 if (!local_undefweak
4463 /* Mark the symbol as undefined, rather than as defined in
4464 the .plt section. Leave the value alone. */
4465 sym->st_shndx = SHN_UNDEF;
4466 /* If the symbol is weak, we do need to clear the value.
4467 Otherwise, the PLT entry would provide a definition for
4468 the symbol even if the symbol wasn't defined anywhere,
4469 and so the symbol would never be NULL. */
4470 if (!h->ref_regular_nonweak)
4475 /* Don't generate dynamic GOT relocation against undefined weak
4476 symbol in executable. */
4477 if (h->got.offset != (bfd_vma) -1
4478 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4479 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
4480 && !local_undefweak)
4484 Elf_Internal_Rela rela;
4486 /* This symbol has an entry in the GOT. Set it up. */
4488 sgot = htab->elf.sgot;
4489 srela = htab->elf.srelgot;
4490 BFD_ASSERT (sgot != NULL && srela != NULL);
4492 rela.r_offset = (sgot->output_section->vma
4493 + sgot->output_offset
4494 + (h->got.offset &~ (bfd_vma) 1));
4496 /* If this is a -Bsymbolic link, and the symbol is defined
4497 locally, we just want to emit a RELATIVE reloc. Likewise if
4498 the symbol was forced to be local because of a version file.
4499 The entry in the global offset table will already have been
4500 initialized in the relocate_section function. */
4501 if (! bfd_link_pic (info)
4502 && h->type == STT_GNU_IFUNC
4507 /* We load the GOT entry with the PLT entry. */
4508 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4509 SPARC_ELF_PUT_WORD (htab, output_bfd,
4510 (plt->output_section->vma
4511 + plt->output_offset + h->plt.offset),
4512 htab->elf.sgot->contents
4513 + (h->got.offset & ~(bfd_vma) 1));
4516 else if (bfd_link_pic (info)
4517 && SYMBOL_REFERENCES_LOCAL (info, h))
4519 asection *sec = h->root.u.def.section;
4520 if (h->type == STT_GNU_IFUNC)
4521 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4523 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4524 rela.r_addend = (h->root.u.def.value
4525 + sec->output_section->vma
4526 + sec->output_offset);
4530 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4534 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4535 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4536 sparc_elf_append_rela (output_bfd, srela, &rela);
4542 Elf_Internal_Rela rela;
4544 /* This symbols needs a copy reloc. Set it up. */
4545 BFD_ASSERT (h->dynindx != -1);
4547 rela.r_offset = (h->root.u.def.value
4548 + h->root.u.def.section->output_section->vma
4549 + h->root.u.def.section->output_offset);
4550 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4552 if (h->root.u.def.section == htab->elf.sdynrelro)
4553 s = htab->elf.sreldynrelro;
4555 s = htab->elf.srelbss;
4556 sparc_elf_append_rela (output_bfd, s, &rela);
4559 /* Mark some specially defined symbols as absolute. On VxWorks,
4560 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4561 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4563 && (h == htab->elf.hdynamic
4564 || (!htab->is_vxworks
4565 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4566 sym->st_shndx = SHN_ABS;
4571 /* Finish up the dynamic sections. */
4574 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4575 bfd *dynobj, asection *sdyn,
4576 asection *splt ATTRIBUTE_UNUSED)
4578 struct _bfd_sparc_elf_link_hash_table *htab;
4579 const struct elf_backend_data *bed;
4580 bfd_byte *dyncon, *dynconend;
4582 int stt_regidx = -1;
4583 bfd_boolean abi_64_p;
4585 htab = _bfd_sparc_elf_hash_table (info);
4586 BFD_ASSERT (htab != NULL);
4587 bed = get_elf_backend_data (output_bfd);
4588 dynsize = bed->s->sizeof_dyn;
4589 dynconend = sdyn->contents + sdyn->size;
4590 abi_64_p = ABI_64_P (output_bfd);
4591 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4593 Elf_Internal_Dyn dyn;
4596 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4598 if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4600 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4601 not to the start of the PLT. */
4602 if (htab->elf.sgotplt)
4604 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4605 + htab->elf.sgotplt->output_offset);
4606 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4609 else if (htab->is_vxworks
4610 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4611 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4612 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4614 if (stt_regidx == -1)
4617 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4618 if (stt_regidx == -1)
4621 dyn.d_un.d_val = stt_regidx++;
4622 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4635 s = htab->elf.srelplt;
4639 s = htab->elf.srelplt;
4651 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4653 dyn.d_un.d_val = s->size;
4655 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4661 /* Install the first PLT entry in a VxWorks executable and make sure that
4662 .rela.plt.unloaded relocations have the correct symbol indexes. */
4665 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4667 struct _bfd_sparc_elf_link_hash_table *htab;
4668 Elf_Internal_Rela rela;
4672 htab = _bfd_sparc_elf_hash_table (info);
4673 BFD_ASSERT (htab != NULL);
4675 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4676 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4677 + htab->elf.hgot->root.u.def.section->output_offset
4678 + htab->elf.hgot->root.u.def.value);
4680 /* Install the initial PLT entry. */
4681 bfd_put_32 (output_bfd,
4682 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4683 htab->elf.splt->contents);
4684 bfd_put_32 (output_bfd,
4685 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4686 htab->elf.splt->contents + 4);
4687 bfd_put_32 (output_bfd,
4688 sparc_vxworks_exec_plt0_entry[2],
4689 htab->elf.splt->contents + 8);
4690 bfd_put_32 (output_bfd,
4691 sparc_vxworks_exec_plt0_entry[3],
4692 htab->elf.splt->contents + 12);
4693 bfd_put_32 (output_bfd,
4694 sparc_vxworks_exec_plt0_entry[4],
4695 htab->elf.splt->contents + 16);
4697 loc = htab->srelplt2->contents;
4699 /* Add an unloaded relocation for the initial entry's "sethi". */
4700 rela.r_offset = (htab->elf.splt->output_section->vma
4701 + htab->elf.splt->output_offset);
4702 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4704 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4705 loc += sizeof (Elf32_External_Rela);
4707 /* Likewise the following "or". */
4709 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4710 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4711 loc += sizeof (Elf32_External_Rela);
4713 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4714 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4715 in which symbols were output. */
4716 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4718 Elf_Internal_Rela rel;
4720 /* The entry's initial "sethi" (against _G_O_T_). */
4721 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4722 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4723 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4724 loc += sizeof (Elf32_External_Rela);
4726 /* The following "or" (also against _G_O_T_). */
4727 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4728 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4729 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4730 loc += sizeof (Elf32_External_Rela);
4732 /* The .got.plt entry (against _P_L_T_). */
4733 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4734 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4735 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4736 loc += sizeof (Elf32_External_Rela);
4740 /* Install the first PLT entry in a VxWorks shared object. */
4743 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4745 struct _bfd_sparc_elf_link_hash_table *htab;
4748 htab = _bfd_sparc_elf_hash_table (info);
4749 BFD_ASSERT (htab != NULL);
4751 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4752 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4753 htab->elf.splt->contents + i * 4);
4756 /* Finish up local dynamic symbol handling. We set the contents of
4757 various dynamic sections here. */
4760 finish_local_dynamic_symbol (void **slot, void *inf)
4762 struct elf_link_hash_entry *h
4763 = (struct elf_link_hash_entry *) *slot;
4764 struct bfd_link_info *info
4765 = (struct bfd_link_info *) inf;
4767 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4771 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4772 here since undefined weak symbol may not be dynamic and may not be
4773 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4776 pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
4779 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
4780 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4782 if (h->root.type != bfd_link_hash_undefweak
4783 || h->dynindx != -1)
4786 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4791 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4795 struct _bfd_sparc_elf_link_hash_table *htab;
4797 htab = _bfd_sparc_elf_hash_table (info);
4798 BFD_ASSERT (htab != NULL);
4799 dynobj = htab->elf.dynobj;
4801 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4803 if (elf_hash_table (info)->dynamic_sections_created)
4807 splt = htab->elf.splt;
4808 BFD_ASSERT (splt != NULL && sdyn != NULL);
4810 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4813 /* Initialize the contents of the .plt section. */
4816 if (htab->is_vxworks)
4818 if (bfd_link_pic (info))
4819 sparc_vxworks_finish_shared_plt (output_bfd, info);
4821 sparc_vxworks_finish_exec_plt (output_bfd, info);
4825 memset (splt->contents, 0, htab->plt_header_size);
4826 if (!ABI_64_P (output_bfd))
4827 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4828 splt->contents + splt->size - 4);
4832 if (elf_section_data (splt->output_section) != NULL)
4833 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4834 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4835 ? 0 : htab->plt_entry_size);
4838 /* Set the first entry in the global offset table to the address of
4839 the dynamic section. */
4840 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4842 bfd_vma val = (sdyn ?
4843 sdyn->output_section->vma + sdyn->output_offset :
4846 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4850 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4851 SPARC_ELF_WORD_BYTES (htab);
4853 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4854 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4856 /* Fill PLT entries for undefined weak symbols in PIE. */
4857 if (bfd_link_pie (info))
4858 bfd_hash_traverse (&info->hash->table,
4859 pie_finish_undefweak_symbol,
4865 /* Set the right machine number for a SPARC ELF file. */
4868 _bfd_sparc_elf_object_p (bfd *abfd)
4870 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4871 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4872 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4874 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4875 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
4876 | ELF_SPARC_HWCAP_VIS3
4877 | ELF_SPARC_HWCAP_HPC);
4878 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
4879 | ELF_SPARC_HWCAP_DES
4880 | ELF_SPARC_HWCAP_KASUMI
4881 | ELF_SPARC_HWCAP_CAMELLIA
4882 | ELF_SPARC_HWCAP_MD5
4883 | ELF_SPARC_HWCAP_SHA1
4884 | ELF_SPARC_HWCAP_SHA256
4885 | ELF_SPARC_HWCAP_SHA512
4886 | ELF_SPARC_HWCAP_MPMUL
4887 | ELF_SPARC_HWCAP_MONT
4888 | ELF_SPARC_HWCAP_CRC32C
4889 | ELF_SPARC_HWCAP_CBCOND
4890 | ELF_SPARC_HWCAP_PAUSE);
4891 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
4892 | ELF_SPARC_HWCAP_IMA);
4893 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
4894 | ELF_SPARC_HWCAP2_MWAIT
4895 | ELF_SPARC_HWCAP2_XMPMUL
4896 | ELF_SPARC_HWCAP2_XMONT);
4897 unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
4898 | ELF_SPARC_HWCAP2_ONADDSUB
4899 | ELF_SPARC_HWCAP2_ONMUL
4900 | ELF_SPARC_HWCAP2_ONDIV
4901 | ELF_SPARC_HWCAP2_DICTUNP
4902 | ELF_SPARC_HWCAP2_FPCMPSHL
4903 | ELF_SPARC_HWCAP2_RLE
4904 | ELF_SPARC_HWCAP2_SHA3);
4906 if (ABI_64_P (abfd))
4908 unsigned long mach = bfd_mach_sparc_v9;
4910 if (hwcaps2->i & m8_hwcaps2_mask)
4911 mach = bfd_mach_sparc_v9m8;
4912 else if (hwcaps2->i & v9m_hwcaps2_mask)
4913 mach = bfd_mach_sparc_v9m;
4914 else if (hwcaps->i & v9v_hwcaps_mask)
4915 mach = bfd_mach_sparc_v9v;
4916 else if (hwcaps->i & v9e_hwcaps_mask)
4917 mach = bfd_mach_sparc_v9e;
4918 else if (hwcaps->i & v9d_hwcaps_mask)
4919 mach = bfd_mach_sparc_v9d;
4920 else if (hwcaps->i & v9c_hwcaps_mask)
4921 mach = bfd_mach_sparc_v9c;
4922 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4923 mach = bfd_mach_sparc_v9b;
4924 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4925 mach = bfd_mach_sparc_v9a;
4926 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4930 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4932 if (hwcaps2->i & m8_hwcaps2_mask)
4933 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4934 bfd_mach_sparc_v8plusm8);
4935 else if (hwcaps2->i & v9m_hwcaps2_mask)
4936 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4937 bfd_mach_sparc_v8plusm);
4938 else if (hwcaps->i & v9v_hwcaps_mask)
4939 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4940 bfd_mach_sparc_v8plusv);
4941 else if (hwcaps->i & v9e_hwcaps_mask)
4942 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4943 bfd_mach_sparc_v8pluse);
4944 else if (hwcaps->i & v9d_hwcaps_mask)
4945 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4946 bfd_mach_sparc_v8plusd);
4947 else if (hwcaps->i & v9c_hwcaps_mask)
4948 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4949 bfd_mach_sparc_v8plusc);
4950 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4951 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4952 bfd_mach_sparc_v8plusb);
4953 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4954 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4955 bfd_mach_sparc_v8plusa);
4956 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4957 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4958 bfd_mach_sparc_v8plus);
4962 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4963 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4964 bfd_mach_sparc_sparclite_le);
4966 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4970 /* Return address for Ith PLT stub in section PLT, for relocation REL
4971 or (bfd_vma) -1 if it should not be included. */
4974 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4976 if (ABI_64_P (plt->owner))
4980 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4981 if (i < PLT64_LARGE_THRESHOLD)
4982 return plt->vma + i * PLT64_ENTRY_SIZE;
4984 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4986 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4989 return rel->address;
4992 /* Merge backend specific data from an object file to the output
4993 object file when linking. */
4996 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
4998 bfd *obfd = info->output_bfd;
4999 obj_attribute *in_attr, *in_attrs;
5000 obj_attribute *out_attr, *out_attrs;
5002 if (!elf_known_obj_attributes_proc (obfd)[0].i)
5004 /* This is the first object. Copy the attributes. */
5005 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5007 /* Use the Tag_null value to indicate the attributes have been
5009 elf_known_obj_attributes_proc (obfd)[0].i = 1;
5014 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
5015 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
5017 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
5018 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
5020 out_attr->i |= in_attr->i;
5023 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
5024 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
5026 out_attr->i |= in_attr->i;
5029 /* Merge Tag_compatibility attributes and any common GNU ones. */
5030 _bfd_elf_merge_object_attributes (ibfd, info);