1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2017 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
55 void * data, asection *input_section, bfd *output_bfd,
56 bfd_vma *prelocation, bfd_vma *pinsn)
59 reloc_howto_type *howto = reloc_entry->howto;
61 if (output_bfd != (bfd *) NULL
62 && (symbol->flags & BSF_SECTION_SYM) == 0
63 && (! howto->partial_inplace
64 || reloc_entry->addend == 0))
66 reloc_entry->address += input_section->output_offset;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd != NULL)
72 return bfd_reloc_continue;
74 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
75 return bfd_reloc_outofrange;
77 relocation = (symbol->value
78 + symbol->section->output_section->vma
79 + symbol->section->output_offset);
80 relocation += reloc_entry->addend;
81 if (howto->pc_relative)
83 relocation -= (input_section->output_section->vma
84 + input_section->output_offset);
85 relocation -= reloc_entry->address;
88 *prelocation = relocation;
89 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
90 return bfd_reloc_other;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
97 arelent *reloc_entry ATTRIBUTE_UNUSED,
98 asymbol *symbol ATTRIBUTE_UNUSED,
99 void * data ATTRIBUTE_UNUSED,
100 asection *input_section ATTRIBUTE_UNUSED,
101 bfd *output_bfd ATTRIBUTE_UNUSED,
102 char **error_message ATTRIBUTE_UNUSED)
104 return bfd_reloc_notsupported;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
111 void * data, asection *input_section, bfd *output_bfd,
112 char **error_message ATTRIBUTE_UNUSED)
116 bfd_reloc_status_type status;
118 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
119 input_section, output_bfd, &relocation, &insn);
120 if (status != bfd_reloc_other)
123 insn &= ~ (bfd_vma) 0x303fff;
124 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
125 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
127 if ((bfd_signed_vma) relocation < - 0x40000
128 || (bfd_signed_vma) relocation > 0x3ffff)
129 return bfd_reloc_overflow;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
138 void * data, asection *input_section, bfd *output_bfd,
139 char **error_message ATTRIBUTE_UNUSED)
143 bfd_reloc_status_type status;
145 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
146 input_section, output_bfd, &relocation, &insn);
147 if (status != bfd_reloc_other)
150 insn &= ~ (bfd_vma) 0x181fe0;
151 insn |= (((relocation >> 2) & 0x300) << 11)
152 | (((relocation >> 2) & 0xff) << 5);
153 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
155 if ((bfd_signed_vma) relocation < - 0x1000
156 || (bfd_signed_vma) relocation > 0xfff)
157 return bfd_reloc_overflow;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
166 void * data, asection *input_section, bfd *output_bfd,
167 char **error_message ATTRIBUTE_UNUSED)
171 bfd_reloc_status_type status;
173 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
174 input_section, output_bfd, &relocation, &insn);
175 if (status != bfd_reloc_other)
178 relocation ^= MINUS_ONE;
179 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
180 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
182 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
183 return bfd_reloc_overflow;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
192 void * data, asection *input_section, bfd *output_bfd,
193 char **error_message ATTRIBUTE_UNUSED)
197 bfd_reloc_status_type status;
199 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
200 input_section, output_bfd, &relocation, &insn);
201 if (status != bfd_reloc_other)
204 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
205 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
210 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
212 HOWTO(R_SPARC_NONE, 0,3, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
213 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
214 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
215 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
216 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
217 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
218 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
219 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
220 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
221 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
222 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
223 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
224 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
225 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
226 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
227 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
228 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
229 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
230 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
231 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
232 HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
233 HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
234 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
235 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
236 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
237 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
238 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
239 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
240 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
241 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
242 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
243 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
244 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
245 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
246 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
247 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
248 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
249 HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE),
250 HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE),
251 HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE),
252 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
253 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
254 HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE),
255 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
256 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
257 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
258 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
259 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
260 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
261 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
262 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
263 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
264 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
265 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
266 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
267 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
268 HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
269 HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
270 HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
271 HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
272 HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
273 HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
274 HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
275 HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
276 HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
277 HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
278 HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
279 HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
280 HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
281 HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
282 HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
283 HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
284 HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
285 HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
286 HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
287 HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
288 HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
289 HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
290 HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
291 HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE),
292 HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
293 HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
296 HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
297 HOWTO(R_SPARC_H34,12,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,"R_SPARC_H34",FALSE,0,0x003fffff,FALSE),
298 HOWTO(R_SPARC_SIZE32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE32",FALSE,0,0xffffffff,TRUE),
299 HOWTO(R_SPARC_SIZE64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE64",FALSE,0,MINUS_ONE, TRUE),
300 HOWTO(R_SPARC_WDISP10,2,2,10,TRUE, 0,complain_overflow_signed,sparc_elf_wdisp10_reloc,"R_SPARC_WDISP10",FALSE,0,0x00000000,TRUE),
302 static reloc_howto_type sparc_jmp_irel_howto =
303 HOWTO(R_SPARC_JMP_IREL, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
304 static reloc_howto_type sparc_irelative_howto =
305 HOWTO(R_SPARC_IRELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
306 static reloc_howto_type sparc_vtinherit_howto =
307 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
308 static reloc_howto_type sparc_vtentry_howto =
309 HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE);
310 static reloc_howto_type sparc_rev32_howto =
311 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
314 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
315 bfd_reloc_code_real_type code)
317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
322 return &_bfd_sparc_elf_howto_table[R_SPARC_NONE];
325 return &_bfd_sparc_elf_howto_table[R_SPARC_8];
328 return &_bfd_sparc_elf_howto_table[R_SPARC_16];
331 return &_bfd_sparc_elf_howto_table[R_SPARC_32];
333 case BFD_RELOC_8_PCREL:
334 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP8];
336 case BFD_RELOC_16_PCREL:
337 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP16];
339 case BFD_RELOC_32_PCREL:
340 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP32];
342 case BFD_RELOC_32_PCREL_S2:
343 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP30];
345 case BFD_RELOC_SPARC_WDISP22:
346 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP22];
349 return &_bfd_sparc_elf_howto_table[R_SPARC_HI22];
351 case BFD_RELOC_SPARC22:
352 return &_bfd_sparc_elf_howto_table[R_SPARC_22];
354 case BFD_RELOC_SPARC13:
355 return &_bfd_sparc_elf_howto_table[R_SPARC_13];
358 return &_bfd_sparc_elf_howto_table[R_SPARC_LO10];
360 case BFD_RELOC_SPARC_GOT10:
361 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT10];
363 case BFD_RELOC_SPARC_GOT13:
364 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT13];
366 case BFD_RELOC_SPARC_GOT22:
367 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT22];
369 case BFD_RELOC_SPARC_PC10:
370 return &_bfd_sparc_elf_howto_table[R_SPARC_PC10];
372 case BFD_RELOC_SPARC_PC22:
373 return &_bfd_sparc_elf_howto_table[R_SPARC_PC22];
375 case BFD_RELOC_SPARC_WPLT30:
376 return &_bfd_sparc_elf_howto_table[R_SPARC_WPLT30];
378 case BFD_RELOC_SPARC_COPY:
379 return &_bfd_sparc_elf_howto_table[R_SPARC_COPY];
381 case BFD_RELOC_SPARC_GLOB_DAT:
382 return &_bfd_sparc_elf_howto_table[R_SPARC_GLOB_DAT];
384 case BFD_RELOC_SPARC_JMP_SLOT:
385 return &_bfd_sparc_elf_howto_table[R_SPARC_JMP_SLOT];
387 case BFD_RELOC_SPARC_RELATIVE:
388 return &_bfd_sparc_elf_howto_table[R_SPARC_RELATIVE];
390 case BFD_RELOC_SPARC_UA32:
391 return &_bfd_sparc_elf_howto_table[R_SPARC_UA32];
393 case BFD_RELOC_SPARC_PLT32:
394 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT32];
396 case BFD_RELOC_SPARC_10:
397 return &_bfd_sparc_elf_howto_table[R_SPARC_10];
399 case BFD_RELOC_SPARC_11:
400 return &_bfd_sparc_elf_howto_table[R_SPARC_11];
402 case BFD_RELOC_SPARC_64:
403 return &_bfd_sparc_elf_howto_table[R_SPARC_64];
405 case BFD_RELOC_SPARC_OLO10:
406 return &_bfd_sparc_elf_howto_table[R_SPARC_OLO10];
408 case BFD_RELOC_SPARC_HH22:
409 return &_bfd_sparc_elf_howto_table[R_SPARC_HH22];
411 case BFD_RELOC_SPARC_HM10:
412 return &_bfd_sparc_elf_howto_table[R_SPARC_HM10];
414 case BFD_RELOC_SPARC_LM22:
415 return &_bfd_sparc_elf_howto_table[R_SPARC_LM22];
417 case BFD_RELOC_SPARC_PC_HH22:
418 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HH22];
420 case BFD_RELOC_SPARC_PC_HM10:
421 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HM10];
423 case BFD_RELOC_SPARC_PC_LM22:
424 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_LM22];
426 case BFD_RELOC_SPARC_WDISP16:
427 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP16];
429 case BFD_RELOC_SPARC_WDISP19:
430 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP19];
432 case BFD_RELOC_SPARC_7:
433 return &_bfd_sparc_elf_howto_table[R_SPARC_7];
435 case BFD_RELOC_SPARC_5:
436 return &_bfd_sparc_elf_howto_table[R_SPARC_5];
438 case BFD_RELOC_SPARC_6:
439 return &_bfd_sparc_elf_howto_table[R_SPARC_6];
441 case BFD_RELOC_SPARC_DISP64:
442 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP64];
444 case BFD_RELOC_SPARC_PLT64:
445 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT64];
447 case BFD_RELOC_SPARC_HIX22:
448 return &_bfd_sparc_elf_howto_table[R_SPARC_HIX22];
450 case BFD_RELOC_SPARC_LOX10:
451 return &_bfd_sparc_elf_howto_table[R_SPARC_LOX10];
453 case BFD_RELOC_SPARC_H44:
454 return &_bfd_sparc_elf_howto_table[R_SPARC_H44];
456 case BFD_RELOC_SPARC_M44:
457 return &_bfd_sparc_elf_howto_table[R_SPARC_M44];
459 case BFD_RELOC_SPARC_L44:
460 return &_bfd_sparc_elf_howto_table[R_SPARC_L44];
462 case BFD_RELOC_SPARC_REGISTER:
463 return &_bfd_sparc_elf_howto_table[R_SPARC_REGISTER];
465 case BFD_RELOC_SPARC_UA64:
466 return &_bfd_sparc_elf_howto_table[R_SPARC_UA64];
468 case BFD_RELOC_SPARC_UA16:
469 return &_bfd_sparc_elf_howto_table[R_SPARC_UA16];
471 case BFD_RELOC_SPARC_TLS_GD_HI22:
472 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_HI22];
474 case BFD_RELOC_SPARC_TLS_GD_LO10:
475 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_LO10];
477 case BFD_RELOC_SPARC_TLS_GD_ADD:
478 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_ADD];
480 case BFD_RELOC_SPARC_TLS_GD_CALL:
481 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_CALL];
483 case BFD_RELOC_SPARC_TLS_LDM_HI22:
484 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_HI22];
486 case BFD_RELOC_SPARC_TLS_LDM_LO10:
487 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_LO10];
489 case BFD_RELOC_SPARC_TLS_LDM_ADD:
490 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_ADD];
492 case BFD_RELOC_SPARC_TLS_LDM_CALL:
493 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_CALL];
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22:
496 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_HIX22];
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10:
499 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_LOX10];
501 case BFD_RELOC_SPARC_TLS_LDO_ADD:
502 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_ADD];
504 case BFD_RELOC_SPARC_TLS_IE_HI22:
505 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_HI22];
507 case BFD_RELOC_SPARC_TLS_IE_LO10:
508 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LO10];
510 case BFD_RELOC_SPARC_TLS_IE_LD:
511 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LD];
513 case BFD_RELOC_SPARC_TLS_IE_LDX:
514 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LDX];
516 case BFD_RELOC_SPARC_TLS_IE_ADD:
517 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_ADD];
519 case BFD_RELOC_SPARC_TLS_LE_HIX22:
520 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_HIX22];
522 case BFD_RELOC_SPARC_TLS_LE_LOX10:
523 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_LOX10];
525 case BFD_RELOC_SPARC_TLS_DTPMOD32:
526 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD32];
528 case BFD_RELOC_SPARC_TLS_DTPMOD64:
529 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD64];
531 case BFD_RELOC_SPARC_TLS_DTPOFF32:
532 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF32];
534 case BFD_RELOC_SPARC_TLS_DTPOFF64:
535 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF64];
537 case BFD_RELOC_SPARC_TLS_TPOFF32:
538 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF32];
540 case BFD_RELOC_SPARC_TLS_TPOFF64:
541 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF64];
543 case BFD_RELOC_SPARC_GOTDATA_HIX22:
544 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_HIX22];
546 case BFD_RELOC_SPARC_GOTDATA_LOX10:
547 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_LOX10];
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22:
550 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_HIX22];
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10:
553 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_LOX10];
555 case BFD_RELOC_SPARC_GOTDATA_OP:
556 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP];
558 case BFD_RELOC_SPARC_H34:
559 return &_bfd_sparc_elf_howto_table[R_SPARC_H34];
561 case BFD_RELOC_SPARC_SIZE32:
562 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE32];
564 case BFD_RELOC_SPARC_SIZE64:
565 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE64];
567 case BFD_RELOC_SPARC_WDISP10:
568 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP10];
570 case BFD_RELOC_SPARC_JMP_IREL:
571 return &sparc_jmp_irel_howto;
573 case BFD_RELOC_SPARC_IRELATIVE:
574 return &sparc_irelative_howto;
576 case BFD_RELOC_VTABLE_INHERIT:
577 return &sparc_vtinherit_howto;
579 case BFD_RELOC_VTABLE_ENTRY:
580 return &sparc_vtentry_howto;
582 case BFD_RELOC_SPARC_REV32:
583 return &sparc_rev32_howto;
588 bfd_set_error (bfd_error_bad_value);
593 _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
599 i < (sizeof (_bfd_sparc_elf_howto_table)
600 / sizeof (_bfd_sparc_elf_howto_table[0]));
602 if (_bfd_sparc_elf_howto_table[i].name != NULL
603 && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
604 return &_bfd_sparc_elf_howto_table[i];
606 if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
607 return &sparc_vtinherit_howto;
608 if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
609 return &sparc_vtentry_howto;
610 if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
611 return &sparc_rev32_howto;
617 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type)
621 case R_SPARC_JMP_IREL:
622 return &sparc_jmp_irel_howto;
624 case R_SPARC_IRELATIVE:
625 return &sparc_irelative_howto;
627 case R_SPARC_GNU_VTINHERIT:
628 return &sparc_vtinherit_howto;
630 case R_SPARC_GNU_VTENTRY:
631 return &sparc_vtentry_howto;
634 return &sparc_rev32_howto;
637 if (r_type >= (unsigned int) R_SPARC_max_std)
639 _bfd_error_handler (_("invalid relocation type %d"), (int) r_type);
640 r_type = R_SPARC_NONE;
642 return &_bfd_sparc_elf_howto_table[r_type];
646 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
647 so just take advantage of that. */
648 #define SPARC_ELF_R_TYPE(r_info) \
652 _bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
653 Elf_Internal_Rela *dst)
655 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
657 cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type);
661 /* The nop opcode we use. */
662 #define SPARC_NOP 0x01000000
664 #define SPARC_INSN_BYTES 4
666 /* The SPARC linker needs to keep track of the number of relocs that it
667 decides to copy as dynamic relocs in check_relocs for each symbol.
668 This is so that it can later discard them if they are found to be
669 unnecessary. We store the information in a field extending the
670 regular ELF linker hash table. */
672 struct _bfd_sparc_elf_dyn_relocs
674 struct _bfd_sparc_elf_dyn_relocs *next;
676 /* The input section of the reloc. */
679 /* Total number of relocs copied for the input section. */
682 /* Number of pc-relative relocs copied for the input section. */
683 bfd_size_type pc_count;
686 /* Is an undefined weak symbol resolved to 0 ?
687 Reference to an undefined weak symbol is resolved to 0 when
688 building an executable if it isn't dynamic and
689 1. Has non-GOT/non-PLT relocations in text section.
691 2. Has no GOT/PLT relocation. */
692 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
693 ((EH)->elf.root.type == bfd_link_hash_undefweak \
694 && bfd_link_executable (INFO) \
695 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
696 || !(EH)->has_got_reloc \
697 || (EH)->has_non_got_reloc \
698 || !(INFO)->dynamic_undefined_weak))
700 /* SPARC ELF linker hash entry. */
702 struct _bfd_sparc_elf_link_hash_entry
704 struct elf_link_hash_entry elf;
706 /* Track dynamic relocs copied for this symbol. */
707 struct _bfd_sparc_elf_dyn_relocs *dyn_relocs;
709 #define GOT_UNKNOWN 0
713 unsigned char tls_type;
715 /* Symbol has GOT or PLT relocations. */
716 unsigned int has_got_reloc : 1;
718 /* Symbol has non-GOT/non-PLT relocations in text sections. */
719 unsigned int has_non_got_reloc : 1;
723 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
725 struct _bfd_sparc_elf_obj_tdata
727 struct elf_obj_tdata root;
729 /* tls_type for each local got entry. */
730 char *local_got_tls_type;
732 /* TRUE if TLS GD relocs has been seen for this object. */
733 bfd_boolean has_tlsgd;
736 #define _bfd_sparc_elf_tdata(abfd) \
737 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
739 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
740 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
742 #define is_sparc_elf(bfd) \
743 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
744 && elf_tdata (bfd) != NULL \
745 && elf_object_id (bfd) == SPARC_ELF_DATA)
748 _bfd_sparc_elf_mkobject (bfd *abfd)
750 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
755 sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
757 bfd_put_32 (abfd, val, ptr);
761 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
763 bfd_put_64 (abfd, val, ptr);
767 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
769 const struct elf_backend_data *bed;
772 bed = get_elf_backend_data (abfd);
773 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
774 bed->s->swap_reloca_out (abfd, rel, loc);
778 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
779 bfd_vma rel_index ATTRIBUTE_UNUSED,
780 bfd_vma type ATTRIBUTE_UNUSED)
782 return ELF64_R_INFO (rel_index,
784 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
789 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
790 bfd_vma rel_index, bfd_vma type)
792 return ELF32_R_INFO (rel_index, type);
796 sparc_elf_r_symndx_64 (bfd_vma r_info)
798 bfd_vma r_symndx = ELF32_R_SYM (r_info);
799 return (r_symndx >> 24);
803 sparc_elf_r_symndx_32 (bfd_vma r_info)
805 return ELF32_R_SYM (r_info);
810 #define PLT32_ENTRY_SIZE 12
811 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
813 /* The first four entries in a 32-bit procedure linkage table are reserved,
814 and the initial contents are unimportant (we zero them out).
815 Subsequent entries look like this. See the SVR4 ABI SPARC
816 supplement to see how this works. */
818 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
819 #define PLT32_ENTRY_WORD0 0x03000000
820 /* b,a .plt0. We fill in the offset later. */
821 #define PLT32_ENTRY_WORD1 0x30800000
823 #define PLT32_ENTRY_WORD2 SPARC_NOP
826 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
827 bfd_vma max ATTRIBUTE_UNUSED,
830 bfd_put_32 (output_bfd,
831 PLT32_ENTRY_WORD0 + offset,
832 splt->contents + offset);
833 bfd_put_32 (output_bfd,
835 + (((- (offset + 4)) >> 2) & 0x3fffff)),
836 splt->contents + offset + 4);
837 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
838 splt->contents + offset + 8);
842 return offset / PLT32_ENTRY_SIZE - 4;
845 /* Both the headers and the entries are icache aligned. */
846 #define PLT64_ENTRY_SIZE 32
847 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
848 #define PLT64_LARGE_THRESHOLD 32768
851 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
852 bfd_vma max, bfd_vma *r_offset)
854 unsigned char *entry = splt->contents + offset;
855 const unsigned int nop = SPARC_NOP;
858 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
860 unsigned int sethi, ba;
864 plt_index = (offset / PLT64_ENTRY_SIZE);
866 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
868 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
870 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
871 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
872 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
873 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
874 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
875 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
876 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
877 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
883 int block, last_block, ofs, last_ofs, chunks_this_block;
884 const int insn_chunk_size = (6 * 4);
885 const int ptr_chunk_size = (1 * 8);
886 const int entries_per_block = 160;
887 const int block_size = entries_per_block * (insn_chunk_size
890 /* Entries 32768 and higher are grouped into blocks of 160.
891 The blocks are further subdivided into 160 sequences of
892 6 instructions and 160 pointers. If a block does not require
893 the full 160 entries, let's say it requires N, then there
894 will be N sequences of 6 instructions and N pointers. */
896 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
897 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
899 block = offset / block_size;
900 last_block = max / block_size;
901 if (block != last_block)
903 chunks_this_block = 160;
907 last_ofs = max % block_size;
908 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
911 ofs = offset % block_size;
913 plt_index = (PLT64_LARGE_THRESHOLD +
915 (ofs / insn_chunk_size));
918 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
919 + (block * block_size)
920 + (chunks_this_block * insn_chunk_size)
921 + (ofs / insn_chunk_size) * ptr_chunk_size;
923 *r_offset = (bfd_vma) (ptr - splt->contents);
925 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
933 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
934 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
935 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
936 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
937 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
938 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
940 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
943 return plt_index - 4;
946 /* The format of the first PLT entry in a VxWorks executable. */
947 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
949 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
950 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
951 0xc4008000, /* ld [ %g2 ], %g2 */
952 0x81c08000, /* jmp %g2 */
956 /* The format of subsequent PLT entries. */
957 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
959 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
960 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
961 0xc2004000, /* ld [ %g1 ], %g1 */
962 0x81c04000, /* jmp %g1 */
963 0x01000000, /* nop */
964 0x03000000, /* sethi %hi(f@pltindex), %g1 */
965 0x10800000, /* b _PLT_resolve */
966 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
969 /* The format of the first PLT entry in a VxWorks shared object. */
970 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
972 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
973 0x81c08000, /* jmp %g2 */
977 /* The format of subsequent PLT entries. */
978 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
980 0x03000000, /* sethi %hi(f@got), %g1 */
981 0x82106000, /* or %g1, %lo(f@got), %g1 */
982 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
983 0x81c04000, /* jmp %g1 */
984 0x01000000, /* nop */
985 0x03000000, /* sethi %hi(f@pltindex), %g1 */
986 0x10800000, /* b _PLT_resolve */
987 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
990 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
991 htab->put_word(bfd, val, ptr)
993 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
994 htab->r_info(in_rel, index, type)
996 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
997 htab->r_symndx(r_info)
999 #define SPARC_ELF_WORD_BYTES(htab) \
1000 htab->bytes_per_word
1002 #define SPARC_ELF_RELA_BYTES(htab) \
1003 htab->bytes_per_rela
1005 #define SPARC_ELF_DTPOFF_RELOC(htab) \
1008 #define SPARC_ELF_DTPMOD_RELOC(htab) \
1011 #define SPARC_ELF_TPOFF_RELOC(htab) \
1014 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1015 htab->build_plt_entry (obfd, splt, off, max, r_off)
1017 /* Create an entry in an SPARC ELF linker hash table. */
1019 static struct bfd_hash_entry *
1020 link_hash_newfunc (struct bfd_hash_entry *entry,
1021 struct bfd_hash_table *table, const char *string)
1023 /* Allocate the structure if it has not already been allocated by a
1027 entry = bfd_hash_allocate (table,
1028 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1033 /* Call the allocation method of the superclass. */
1034 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1037 struct _bfd_sparc_elf_link_hash_entry *eh;
1039 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1040 eh->dyn_relocs = NULL;
1041 eh->tls_type = GOT_UNKNOWN;
1042 eh->has_got_reloc = 0;
1043 eh->has_non_got_reloc = 0;
1049 /* The name of the dynamic interpreter. This is put in the .interp
1052 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1053 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1055 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1056 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1057 as global symbol. We reuse indx and dynstr_index for local symbol
1058 hash since they aren't used by global symbols in this backend. */
1061 elf_sparc_local_htab_hash (const void *ptr)
1063 struct elf_link_hash_entry *h
1064 = (struct elf_link_hash_entry *) ptr;
1065 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1068 /* Compare local hash entries. */
1071 elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1073 struct elf_link_hash_entry *h1
1074 = (struct elf_link_hash_entry *) ptr1;
1075 struct elf_link_hash_entry *h2
1076 = (struct elf_link_hash_entry *) ptr2;
1078 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1081 /* Find and/or create a hash entry for local symbol. */
1083 static struct elf_link_hash_entry *
1084 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1085 bfd *abfd, const Elf_Internal_Rela *rel,
1088 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1089 asection *sec = abfd->sections;
1090 unsigned long r_symndx;
1094 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1095 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1097 e.elf.indx = sec->id;
1098 e.elf.dynstr_index = r_symndx;
1099 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1100 create ? INSERT : NO_INSERT);
1107 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1111 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1112 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1113 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1116 memset (ret, 0, sizeof (*ret));
1117 ret->elf.indx = sec->id;
1118 ret->elf.dynstr_index = r_symndx;
1119 ret->elf.dynindx = -1;
1120 ret->elf.plt.offset = (bfd_vma) -1;
1121 ret->elf.got.offset = (bfd_vma) -1;
1127 /* Destroy a SPARC ELF linker hash table. */
1130 _bfd_sparc_elf_link_hash_table_free (bfd *obfd)
1132 struct _bfd_sparc_elf_link_hash_table *htab
1133 = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
1135 if (htab->loc_hash_table)
1136 htab_delete (htab->loc_hash_table);
1137 if (htab->loc_hash_memory)
1138 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1139 _bfd_elf_link_hash_table_free (obfd);
1142 /* Create a SPARC ELF linker hash table. */
1144 struct bfd_link_hash_table *
1145 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1147 struct _bfd_sparc_elf_link_hash_table *ret;
1148 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1150 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1154 if (ABI_64_P (abfd))
1156 ret->put_word = sparc_put_word_64;
1157 ret->r_info = sparc_elf_r_info_64;
1158 ret->r_symndx = sparc_elf_r_symndx_64;
1159 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1160 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1161 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1162 ret->word_align_power = 3;
1163 ret->align_power_max = 4;
1164 ret->bytes_per_word = 8;
1165 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1166 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1167 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1169 ret->build_plt_entry = sparc64_plt_entry_build;
1170 ret->plt_header_size = PLT64_HEADER_SIZE;
1171 ret->plt_entry_size = PLT64_ENTRY_SIZE;
1175 ret->put_word = sparc_put_word_32;
1176 ret->r_info = sparc_elf_r_info_32;
1177 ret->r_symndx = sparc_elf_r_symndx_32;
1178 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1179 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1180 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1181 ret->word_align_power = 2;
1182 ret->align_power_max = 3;
1183 ret->bytes_per_word = 4;
1184 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1185 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1186 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1188 ret->build_plt_entry = sparc32_plt_entry_build;
1189 ret->plt_header_size = PLT32_HEADER_SIZE;
1190 ret->plt_entry_size = PLT32_ENTRY_SIZE;
1193 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1194 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1201 ret->loc_hash_table = htab_try_create (1024,
1202 elf_sparc_local_htab_hash,
1203 elf_sparc_local_htab_eq,
1205 ret->loc_hash_memory = objalloc_create ();
1206 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1208 _bfd_sparc_elf_link_hash_table_free (abfd);
1211 ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
1213 return &ret->elf.root;
1216 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1217 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1221 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1222 struct bfd_link_info *info)
1224 struct _bfd_sparc_elf_link_hash_table *htab;
1226 htab = _bfd_sparc_elf_hash_table (info);
1227 BFD_ASSERT (htab != NULL);
1229 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1232 if (htab->is_vxworks)
1234 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1236 if (bfd_link_pic (info))
1238 htab->plt_header_size
1239 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1240 htab->plt_entry_size
1241 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1245 htab->plt_header_size
1246 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1247 htab->plt_entry_size
1248 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1252 if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
1253 || (!bfd_link_pic (info) && !htab->elf.srelbss))
1260 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1262 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1263 struct elf_link_hash_table *htab = elf_hash_table (info);
1264 flagword flags, pltflags;
1267 if (htab->irelifunc != NULL || htab->iplt != NULL)
1270 flags = bed->dynamic_sec_flags;
1271 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1273 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1275 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1279 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1280 flags | SEC_READONLY);
1282 || ! bfd_set_section_alignment (abfd, s,
1283 bed->s->log_file_align))
1290 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1293 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1294 struct elf_link_hash_entry *dir,
1295 struct elf_link_hash_entry *ind)
1297 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1299 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1300 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1302 if (eind->dyn_relocs != NULL)
1304 if (edir->dyn_relocs != NULL)
1306 struct _bfd_sparc_elf_dyn_relocs **pp;
1307 struct _bfd_sparc_elf_dyn_relocs *p;
1309 /* Add reloc counts against the indirect sym to the direct sym
1310 list. Merge any entries against the same section. */
1311 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1313 struct _bfd_sparc_elf_dyn_relocs *q;
1315 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1316 if (q->sec == p->sec)
1318 q->pc_count += p->pc_count;
1319 q->count += p->count;
1326 *pp = edir->dyn_relocs;
1329 edir->dyn_relocs = eind->dyn_relocs;
1330 eind->dyn_relocs = NULL;
1333 if (ind->root.type == bfd_link_hash_indirect
1334 && dir->got.refcount <= 0)
1336 edir->tls_type = eind->tls_type;
1337 eind->tls_type = GOT_UNKNOWN;
1340 /* Copy has_got_reloc and has_non_got_reloc. */
1341 edir->has_got_reloc |= eind->has_got_reloc;
1342 edir->has_non_got_reloc |= eind->has_non_got_reloc;
1344 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1348 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1349 int r_type, int is_local)
1351 if (! ABI_64_P (abfd)
1352 && r_type == R_SPARC_TLS_GD_HI22
1353 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1354 r_type = R_SPARC_REV32;
1356 if (bfd_link_pic (info))
1361 case R_SPARC_TLS_GD_HI22:
1363 return R_SPARC_TLS_LE_HIX22;
1364 return R_SPARC_TLS_IE_HI22;
1365 case R_SPARC_TLS_GD_LO10:
1367 return R_SPARC_TLS_LE_LOX10;
1368 return R_SPARC_TLS_IE_LO10;
1369 case R_SPARC_TLS_IE_HI22:
1371 return R_SPARC_TLS_LE_HIX22;
1373 case R_SPARC_TLS_IE_LO10:
1375 return R_SPARC_TLS_LE_LOX10;
1377 case R_SPARC_TLS_LDM_HI22:
1378 return R_SPARC_TLS_LE_HIX22;
1379 case R_SPARC_TLS_LDM_LO10:
1380 return R_SPARC_TLS_LE_LOX10;
1386 /* Look through the relocs for a section during the first phase, and
1387 allocate space in the global offset table or procedure linkage
1391 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1392 asection *sec, const Elf_Internal_Rela *relocs)
1394 struct _bfd_sparc_elf_link_hash_table *htab;
1395 Elf_Internal_Shdr *symtab_hdr;
1396 struct elf_link_hash_entry **sym_hashes;
1397 const Elf_Internal_Rela *rel;
1398 const Elf_Internal_Rela *rel_end;
1401 bfd_boolean checked_tlsgd = FALSE;
1403 if (bfd_link_relocatable (info))
1406 htab = _bfd_sparc_elf_hash_table (info);
1407 BFD_ASSERT (htab != NULL);
1408 symtab_hdr = &elf_symtab_hdr (abfd);
1409 sym_hashes = elf_sym_hashes (abfd);
1413 if (ABI_64_P (abfd))
1414 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1416 num_relocs = sec->reloc_count;
1418 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1420 if (htab->elf.dynobj == NULL)
1421 htab->elf.dynobj = abfd;
1422 if (!create_ifunc_sections (htab->elf.dynobj, info))
1425 rel_end = relocs + num_relocs;
1426 for (rel = relocs; rel < rel_end; rel++)
1428 unsigned int r_type;
1429 unsigned long r_symndx;
1430 struct elf_link_hash_entry *h;
1431 struct _bfd_sparc_elf_link_hash_entry *eh;
1432 Elf_Internal_Sym *isym;
1434 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1435 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1437 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1439 /* xgettext:c-format */
1440 _bfd_error_handler (_("%B: bad symbol index: %d"), abfd, r_symndx);
1445 if (r_symndx < symtab_hdr->sh_info)
1447 /* A local symbol. */
1448 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1453 /* Check relocation against local STT_GNU_IFUNC symbol. */
1454 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1456 h = elf_sparc_get_local_sym_hash (htab, abfd, rel,
1461 /* Fake a STT_GNU_IFUNC symbol. */
1462 h->type = STT_GNU_IFUNC;
1465 h->forced_local = 1;
1466 h->root.type = bfd_link_hash_defined;
1473 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1474 while (h->root.type == bfd_link_hash_indirect
1475 || h->root.type == bfd_link_hash_warning)
1476 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1478 /* PR15323, ref flags aren't set for references in the same
1480 h->root.non_ir_ref_regular = 1;
1483 if (h && h->type == STT_GNU_IFUNC)
1488 h->plt.refcount += 1;
1492 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1493 with R_SPARC_TLS_GD_HI22. */
1494 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1497 case R_SPARC_TLS_GD_HI22:
1499 const Elf_Internal_Rela *relt;
1501 for (relt = rel + 1; relt < rel_end; relt++)
1502 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1503 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1504 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1506 checked_tlsgd = TRUE;
1507 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1510 case R_SPARC_TLS_GD_LO10:
1511 case R_SPARC_TLS_GD_ADD:
1512 case R_SPARC_TLS_GD_CALL:
1513 checked_tlsgd = TRUE;
1514 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1518 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1519 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1523 case R_SPARC_TLS_LDM_HI22:
1524 case R_SPARC_TLS_LDM_LO10:
1525 htab->tls_ldm_got.refcount += 1;
1527 eh->has_got_reloc = 1;
1530 case R_SPARC_TLS_LE_HIX22:
1531 case R_SPARC_TLS_LE_LOX10:
1532 if (bfd_link_pic (info))
1536 case R_SPARC_TLS_IE_HI22:
1537 case R_SPARC_TLS_IE_LO10:
1538 if (bfd_link_pic (info))
1539 info->flags |= DF_STATIC_TLS;
1545 case R_SPARC_GOTDATA_HIX22:
1546 case R_SPARC_GOTDATA_LOX10:
1547 case R_SPARC_GOTDATA_OP_HIX22:
1548 case R_SPARC_GOTDATA_OP_LOX10:
1549 case R_SPARC_TLS_GD_HI22:
1550 case R_SPARC_TLS_GD_LO10:
1551 /* This symbol requires a global offset table entry. */
1553 int tls_type, old_tls_type;
1561 case R_SPARC_GOTDATA_OP_HIX22:
1562 case R_SPARC_GOTDATA_OP_LOX10:
1563 tls_type = GOT_NORMAL;
1565 case R_SPARC_TLS_GD_HI22:
1566 case R_SPARC_TLS_GD_LO10:
1567 tls_type = GOT_TLS_GD;
1569 case R_SPARC_TLS_IE_HI22:
1570 case R_SPARC_TLS_IE_LO10:
1571 tls_type = GOT_TLS_IE;
1577 h->got.refcount += 1;
1578 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1582 bfd_signed_vma *local_got_refcounts;
1584 /* This is a global offset table entry for a local symbol. */
1585 local_got_refcounts = elf_local_got_refcounts (abfd);
1586 if (local_got_refcounts == NULL)
1590 size = symtab_hdr->sh_info;
1591 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1592 local_got_refcounts = ((bfd_signed_vma *)
1593 bfd_zalloc (abfd, size));
1594 if (local_got_refcounts == NULL)
1596 elf_local_got_refcounts (abfd) = local_got_refcounts;
1597 _bfd_sparc_elf_local_got_tls_type (abfd)
1598 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1602 case R_SPARC_GOTDATA_OP_HIX22:
1603 case R_SPARC_GOTDATA_OP_LOX10:
1607 local_got_refcounts[r_symndx] += 1;
1610 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1613 /* If a TLS symbol is accessed using IE at least once,
1614 there is no point to use dynamic model for it. */
1615 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1616 && (old_tls_type != GOT_TLS_GD
1617 || tls_type != GOT_TLS_IE))
1619 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1620 tls_type = old_tls_type;
1624 /* xgettext:c-format */
1625 (_("%B: `%s' accessed both as normal and thread local symbol"),
1626 abfd, h ? h->root.root.string : "<local>");
1631 if (old_tls_type != tls_type)
1634 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1636 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1640 if (htab->elf.sgot == NULL)
1642 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
1647 eh->has_got_reloc = 1;
1650 case R_SPARC_TLS_GD_CALL:
1651 case R_SPARC_TLS_LDM_CALL:
1652 if (bfd_link_pic (info))
1654 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1656 struct bfd_link_hash_entry *bh = NULL;
1657 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1658 "__tls_get_addr", 0,
1659 bfd_und_section_ptr, 0,
1663 h = (struct elf_link_hash_entry *) bh;
1670 case R_SPARC_WPLT30:
1671 case R_SPARC_HIPLT22:
1672 case R_SPARC_LOPLT10:
1673 case R_SPARC_PCPLT32:
1674 case R_SPARC_PCPLT22:
1675 case R_SPARC_PCPLT10:
1677 /* This symbol requires a procedure linkage table entry. We
1678 actually build the entry in adjust_dynamic_symbol,
1679 because this might be a case of linking PIC code without
1680 linking in any dynamic objects, in which case we don't
1681 need to generate a procedure linkage table after all. */
1685 if (! ABI_64_P (abfd))
1687 /* The Solaris native assembler will generate a WPLT30
1688 reloc for a local symbol if you assemble a call from
1689 one section to another when using -K pic. We treat
1691 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1695 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1696 else if (r_type == R_SPARC_WPLT30)
1699 /* It does not make sense to have a procedure linkage
1700 table entry for a local symbol. */
1701 bfd_set_error (bfd_error_bad_value);
1710 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1711 if (this_r_type == R_SPARC_PLT32
1712 || this_r_type == R_SPARC_PLT64)
1715 h->plt.refcount += 1;
1717 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1718 eh->has_got_reloc = 1;
1723 case R_SPARC_PC_HH22:
1724 case R_SPARC_PC_HM10:
1725 case R_SPARC_PC_LM22:
1730 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1735 case R_SPARC_DISP16:
1736 case R_SPARC_DISP32:
1737 case R_SPARC_DISP64:
1738 case R_SPARC_WDISP30:
1739 case R_SPARC_WDISP22:
1740 case R_SPARC_WDISP19:
1741 case R_SPARC_WDISP16:
1742 case R_SPARC_WDISP10:
1772 if (eh != NULL && (sec->flags & SEC_CODE) != 0)
1773 eh->has_non_got_reloc = 1;
1776 if (h != NULL && !bfd_link_pic (info))
1778 /* We may need a .plt entry if the function this reloc
1779 refers to is in a shared lib. */
1780 h->plt.refcount += 1;
1783 /* If we are creating a shared library, and this is a reloc
1784 against a global symbol, or a non PC relative reloc
1785 against a local symbol, then we need to copy the reloc
1786 into the shared library. However, if we are linking with
1787 -Bsymbolic, we do not need to copy a reloc against a
1788 global symbol which is defined in an object we are
1789 including in the link (i.e., DEF_REGULAR is set). At
1790 this point we have not seen all the input files, so it is
1791 possible that DEF_REGULAR is not set now but will be set
1792 later (it is never cleared). In case of a weak definition,
1793 DEF_REGULAR may be cleared later by a strong definition in
1794 a shared library. We account for that possibility below by
1795 storing information in the relocs_copied field of the hash
1796 table entry. A similar situation occurs when creating
1797 shared libraries and symbol visibility changes render the
1800 If on the other hand, we are creating an executable, we
1801 may need to keep relocations for symbols satisfied by a
1802 dynamic library if we manage to avoid copy relocs for the
1804 if ((bfd_link_pic (info)
1805 && (sec->flags & SEC_ALLOC) != 0
1806 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1808 && (! SYMBOLIC_BIND (info, h)
1809 || h->root.type == bfd_link_hash_defweak
1810 || !h->def_regular))))
1811 || (!bfd_link_pic (info)
1812 && (sec->flags & SEC_ALLOC) != 0
1814 && (h->root.type == bfd_link_hash_defweak
1815 || !h->def_regular))
1816 || (!bfd_link_pic (info)
1818 && h->type == STT_GNU_IFUNC))
1820 struct _bfd_sparc_elf_dyn_relocs *p;
1821 struct _bfd_sparc_elf_dyn_relocs **head;
1823 /* When creating a shared object, we must copy these
1824 relocs into the output file. We create a reloc
1825 section in dynobj and make room for the reloc. */
1828 sreloc = _bfd_elf_make_dynamic_reloc_section
1829 (sec, htab->elf.dynobj, htab->word_align_power,
1830 abfd, /*rela?*/ TRUE);
1836 /* If this is a global symbol, we count the number of
1837 relocations we need for this symbol. */
1839 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1842 /* Track dynamic relocs needed for local syms too.
1843 We really need local syms available to do this
1848 BFD_ASSERT (isym != NULL);
1849 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1853 vpp = &elf_section_data (s)->local_dynrel;
1854 head = (struct _bfd_sparc_elf_dyn_relocs **) vpp;
1858 if (p == NULL || p->sec != sec)
1860 bfd_size_type amt = sizeof *p;
1861 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1862 bfd_alloc (htab->elf.dynobj, amt));
1873 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1879 case R_SPARC_GNU_VTINHERIT:
1880 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1884 case R_SPARC_GNU_VTENTRY:
1885 BFD_ASSERT (h != NULL);
1887 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1891 case R_SPARC_REGISTER:
1892 /* Nothing to do. */
1904 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1905 struct bfd_link_info *info,
1906 Elf_Internal_Rela *rel,
1907 struct elf_link_hash_entry *h,
1908 Elf_Internal_Sym *sym)
1911 switch (SPARC_ELF_R_TYPE (rel->r_info))
1913 case R_SPARC_GNU_VTINHERIT:
1914 case R_SPARC_GNU_VTENTRY:
1918 /* FIXME: The test here, in check_relocs and in relocate_section
1919 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
1920 if (bfd_link_pic (info))
1922 switch (SPARC_ELF_R_TYPE (rel->r_info))
1924 case R_SPARC_TLS_GD_CALL:
1925 case R_SPARC_TLS_LDM_CALL:
1926 /* This reloc implicitly references __tls_get_addr. We know
1927 another reloc will reference the same symbol as the one
1928 on this reloc, so the real symbol and section will be
1929 gc marked when processing the other reloc. That lets
1930 us handle __tls_get_addr here. */
1931 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1932 FALSE, FALSE, TRUE);
1933 BFD_ASSERT (h != NULL);
1935 if (h->u.weakdef != NULL)
1936 h->u.weakdef->mark = 1;
1941 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1944 static Elf_Internal_Rela *
1945 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1946 Elf_Internal_Rela *relend,
1949 while (rel < relend)
1951 if (rel->r_offset == offset)
1958 /* Update the got entry reference counts for the section being removed. */
1960 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1961 asection *sec, const Elf_Internal_Rela *relocs)
1963 struct _bfd_sparc_elf_link_hash_table *htab;
1964 Elf_Internal_Shdr *symtab_hdr;
1965 struct elf_link_hash_entry **sym_hashes;
1966 bfd_signed_vma *local_got_refcounts;
1967 const Elf_Internal_Rela *rel, *relend;
1969 if (bfd_link_relocatable (info))
1972 BFD_ASSERT (is_sparc_elf (abfd) || sec->reloc_count == 0);
1974 elf_section_data (sec)->local_dynrel = NULL;
1976 htab = _bfd_sparc_elf_hash_table (info);
1977 BFD_ASSERT (htab != NULL);
1978 symtab_hdr = &elf_symtab_hdr (abfd);
1979 sym_hashes = elf_sym_hashes (abfd);
1980 local_got_refcounts = elf_local_got_refcounts (abfd);
1982 relend = relocs + sec->reloc_count;
1983 for (rel = relocs; rel < relend; rel++)
1985 unsigned long r_symndx;
1986 unsigned int r_type;
1987 struct elf_link_hash_entry *h = NULL;
1989 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1990 if (r_symndx >= symtab_hdr->sh_info)
1992 struct _bfd_sparc_elf_link_hash_entry *eh;
1993 struct _bfd_sparc_elf_dyn_relocs **pp;
1994 struct _bfd_sparc_elf_dyn_relocs *p;
1996 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1997 while (h->root.type == bfd_link_hash_indirect
1998 || h->root.type == bfd_link_hash_warning)
1999 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2000 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2001 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
2004 /* Everything must go for SEC. */
2010 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2011 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
2014 case R_SPARC_TLS_LDM_HI22:
2015 case R_SPARC_TLS_LDM_LO10:
2016 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
2017 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
2020 case R_SPARC_TLS_GD_HI22:
2021 case R_SPARC_TLS_GD_LO10:
2022 case R_SPARC_TLS_IE_HI22:
2023 case R_SPARC_TLS_IE_LO10:
2027 case R_SPARC_GOTDATA_HIX22:
2028 case R_SPARC_GOTDATA_LOX10:
2029 case R_SPARC_GOTDATA_OP_HIX22:
2030 case R_SPARC_GOTDATA_OP_LOX10:
2033 if (h->got.refcount > 0)
2040 case R_SPARC_GOTDATA_OP_HIX22:
2041 case R_SPARC_GOTDATA_OP_LOX10:
2045 if (local_got_refcounts[r_symndx] > 0)
2046 local_got_refcounts[r_symndx]--;
2054 case R_SPARC_PC_HH22:
2055 case R_SPARC_PC_HM10:
2056 case R_SPARC_PC_LM22:
2058 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2063 case R_SPARC_DISP16:
2064 case R_SPARC_DISP32:
2065 case R_SPARC_DISP64:
2066 case R_SPARC_WDISP30:
2067 case R_SPARC_WDISP22:
2068 case R_SPARC_WDISP19:
2069 case R_SPARC_WDISP16:
2070 case R_SPARC_WDISP10:
2098 if (bfd_link_pic (info))
2102 case R_SPARC_WPLT30:
2105 if (h->plt.refcount > 0)
2118 /* Remove undefined weak symbol from the dynamic symbol table if it
2119 is resolved to 0. */
2122 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
2123 struct elf_link_hash_entry *h)
2125 if (h->dynindx != -1
2126 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
2127 _bfd_sparc_elf_hash_entry (h)))
2130 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
2136 /* Adjust a symbol defined by a dynamic object and referenced by a
2137 regular object. The current definition is in some section of the
2138 dynamic object, but we're not including those sections. We have to
2139 change the definition to something the rest of the link can
2143 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2144 struct elf_link_hash_entry *h)
2146 struct _bfd_sparc_elf_link_hash_table *htab;
2147 struct _bfd_sparc_elf_link_hash_entry * eh;
2148 struct _bfd_sparc_elf_dyn_relocs *p;
2151 htab = _bfd_sparc_elf_hash_table (info);
2152 BFD_ASSERT (htab != NULL);
2154 /* Make sure we know what is going on here. */
2155 BFD_ASSERT (htab->elf.dynobj != NULL
2157 || h->type == STT_GNU_IFUNC
2158 || h->u.weakdef != NULL
2161 && !h->def_regular)));
2163 /* If this is a function, put it in the procedure linkage table. We
2164 will fill in the contents of the procedure linkage table later
2165 (although we could actually do it here). The STT_NOTYPE
2166 condition is a hack specifically for the Oracle libraries
2167 delivered for Solaris; for some inexplicable reason, they define
2168 some of their functions as STT_NOTYPE when they really should be
2170 if (h->type == STT_FUNC
2171 || h->type == STT_GNU_IFUNC
2173 || (h->type == STT_NOTYPE
2174 && (h->root.type == bfd_link_hash_defined
2175 || h->root.type == bfd_link_hash_defweak)
2176 && (h->root.u.def.section->flags & SEC_CODE) != 0))
2178 if (h->plt.refcount <= 0
2179 || (h->type != STT_GNU_IFUNC
2180 && (SYMBOL_CALLS_LOCAL (info, h)
2181 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2182 && h->root.type == bfd_link_hash_undefweak))))
2184 /* This case can occur if we saw a WPLT30 reloc in an input
2185 file, but the symbol was never referred to by a dynamic
2186 object, or if all references were garbage collected. In
2187 such a case, we don't actually need to build a procedure
2188 linkage table, and we can just do a WDISP30 reloc instead. */
2189 h->plt.offset = (bfd_vma) -1;
2196 h->plt.offset = (bfd_vma) -1;
2198 /* If this is a weak symbol, and there is a real definition, the
2199 processor independent code will have arranged for us to see the
2200 real definition first, and we can just use the same value. */
2201 if (h->u.weakdef != NULL)
2203 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2204 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2205 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2206 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2210 /* This is a reference to a symbol defined by a dynamic object which
2211 is not a function. */
2213 /* If we are creating a shared library, we must presume that the
2214 only references to the symbol are via the global offset table.
2215 For such cases we need not do anything here; the relocations will
2216 be handled correctly by relocate_section. */
2217 if (bfd_link_pic (info))
2220 /* If there are no references to this symbol that do not use the
2221 GOT, we don't need to generate a copy reloc. */
2222 if (!h->non_got_ref)
2225 /* If -z nocopyreloc was given, we won't generate them either. */
2226 if (info->nocopyreloc)
2232 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2233 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2235 s = p->sec->output_section;
2236 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2240 /* If we didn't find any dynamic relocs in read-only sections, then
2241 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2248 /* We must allocate the symbol in our .dynbss section, which will
2249 become part of the .bss section of the executable. There will be
2250 an entry for this symbol in the .dynsym section. The dynamic
2251 object will contain position independent code, so all references
2252 from the dynamic object to this symbol will go through the global
2253 offset table. The dynamic linker will use the .dynsym entry to
2254 determine the address it must put in the global offset table, so
2255 both the dynamic object and the regular object will refer to the
2256 same memory location for the variable. */
2258 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2259 to copy the initial value out of the dynamic object and into the
2260 runtime process image. We need to remember the offset into the
2261 .rel.bss section we are going to use. */
2262 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2264 s = htab->elf.sdynrelro;
2265 srel = htab->elf.sreldynrelro;
2269 s = htab->elf.sdynbss;
2270 srel = htab->elf.srelbss;
2272 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2274 srel->size += SPARC_ELF_RELA_BYTES (htab);
2278 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2281 /* Allocate space in .plt, .got and associated reloc sections for
2285 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2287 struct bfd_link_info *info;
2288 struct _bfd_sparc_elf_link_hash_table *htab;
2289 struct _bfd_sparc_elf_link_hash_entry *eh;
2290 struct _bfd_sparc_elf_dyn_relocs *p;
2291 bfd_boolean resolved_to_zero;
2293 if (h->root.type == bfd_link_hash_indirect)
2296 info = (struct bfd_link_info *) inf;
2297 htab = _bfd_sparc_elf_hash_table (info);
2298 BFD_ASSERT (htab != NULL);
2300 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2301 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
2303 if ((htab->elf.dynamic_sections_created
2304 && h->plt.refcount > 0)
2305 || (h->type == STT_GNU_IFUNC
2309 /* Make sure this symbol is output as a dynamic symbol.
2310 Undefined weak syms won't yet be marked as dynamic. */
2311 if (h->dynindx == -1
2313 && !resolved_to_zero)
2315 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2319 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2320 || (h->type == STT_GNU_IFUNC
2323 asection *s = htab->elf.splt;
2328 /* Allocate room for the header. */
2331 s->size = htab->plt_header_size;
2333 /* Allocate space for the .rela.plt.unloaded relocations. */
2334 if (htab->is_vxworks && !bfd_link_pic (info))
2335 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2338 /* The procedure linkage table size is bounded by the magnitude
2339 of the offset we can describe in the entry. */
2340 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2341 (((bfd_vma)1 << 31) << 1) : 0x400000))
2343 bfd_set_error (bfd_error_bad_value);
2347 if (SPARC_ELF_WORD_BYTES(htab) == 8
2348 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2350 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2353 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2355 h->plt.offset = (s->size - (off * 8));
2358 h->plt.offset = s->size;
2360 /* If this symbol is not defined in a regular file, and we are
2361 not generating a shared library, then set the symbol to this
2362 location in the .plt. This is required to make function
2363 pointers compare as equal between the normal executable and
2364 the shared library. */
2365 if (! bfd_link_pic (info)
2368 h->root.u.def.section = s;
2369 h->root.u.def.value = h->plt.offset;
2372 /* Make room for this entry. */
2373 s->size += htab->plt_entry_size;
2375 /* There should be no PLT relocations against resolved undefined
2376 weak symbols in the executable. */
2377 if (!resolved_to_zero)
2379 /* We also need to make an entry in the .rela.plt section. */
2380 if (s == htab->elf.splt)
2381 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2383 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2386 if (htab->is_vxworks)
2388 /* Allocate space for the .got.plt entry. */
2389 htab->elf.sgotplt->size += 4;
2391 /* ...and for the .rela.plt.unloaded relocations. */
2392 if (!bfd_link_pic (info))
2393 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2398 h->plt.offset = (bfd_vma) -1;
2404 h->plt.offset = (bfd_vma) -1;
2408 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2409 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2410 if (h->got.refcount > 0
2411 && !bfd_link_pic (info)
2413 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2414 h->got.offset = (bfd_vma) -1;
2415 else if (h->got.refcount > 0)
2419 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2421 /* Make sure this symbol is output as a dynamic symbol.
2422 Undefined weak syms won't yet be marked as dynamic. */
2423 if (h->dynindx == -1
2425 && !resolved_to_zero)
2427 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2432 h->got.offset = s->size;
2433 s->size += SPARC_ELF_WORD_BYTES (htab);
2434 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2435 if (tls_type == GOT_TLS_GD)
2436 s->size += SPARC_ELF_WORD_BYTES (htab);
2437 dyn = htab->elf.dynamic_sections_created;
2438 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2439 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2440 global. No dynamic relocations are needed against resolved
2441 undefined weak symbols in an executable. */
2442 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2443 || tls_type == GOT_TLS_IE
2444 || h->type == STT_GNU_IFUNC)
2445 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2446 else if (tls_type == GOT_TLS_GD)
2447 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2448 else if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2449 && !resolved_to_zero)
2450 || h->root.type != bfd_link_hash_undefweak)
2451 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2452 bfd_link_pic (info),
2454 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2457 h->got.offset = (bfd_vma) -1;
2459 if (eh->dyn_relocs == NULL)
2462 /* In the shared -Bsymbolic case, discard space allocated for
2463 dynamic pc-relative relocs against symbols which turn out to be
2464 defined in regular objects. For the normal shared case, discard
2465 space for pc-relative relocs that have become local due to symbol
2466 visibility changes. */
2468 if (bfd_link_pic (info))
2470 if (SYMBOL_CALLS_LOCAL (info, h))
2472 struct _bfd_sparc_elf_dyn_relocs **pp;
2474 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2476 p->count -= p->pc_count;
2485 if (htab->is_vxworks)
2487 struct _bfd_sparc_elf_dyn_relocs **pp;
2489 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2491 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2498 /* Also discard relocs on undefined weak syms with non-default
2499 visibility or in PIE. */
2500 if (eh->dyn_relocs != NULL
2501 && h->root.type == bfd_link_hash_undefweak)
2503 /* An undefined weak symbol is never
2504 bound locally in a shared library. */
2506 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2507 || resolved_to_zero)
2511 /* Keep dynamic non-GOT/non-PLT relocation so that we
2512 can branch to 0 without PLT. */
2513 struct _bfd_sparc_elf_dyn_relocs **pp;
2515 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2516 if (p->pc_count == 0)
2520 /* Remove other relocations. */
2521 p->count = p->pc_count;
2525 if (eh->dyn_relocs != NULL)
2527 /* Make sure undefined weak symbols are output
2528 as dynamic symbols in PIEs for dynamic non-GOT
2529 non-PLT reloations. */
2530 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2535 eh->dyn_relocs = NULL;
2538 /* Make sure undefined weak symbols are output as a dynamic
2540 else if (h->dynindx == -1
2541 && !h->forced_local)
2543 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2550 /* For the non-shared case, discard space for relocs against
2551 symbols which turn out to need copy relocs or are not
2554 if ((!h->non_got_ref
2555 || (h->root.type == bfd_link_hash_undefweak
2556 && !resolved_to_zero))
2559 || (htab->elf.dynamic_sections_created
2560 && (h->root.type == bfd_link_hash_undefweak
2561 || h->root.type == bfd_link_hash_undefined))))
2563 /* Make sure this symbol is output as a dynamic symbol.
2564 Undefined weak syms won't yet be marked as dynamic. */
2565 if (h->dynindx == -1
2567 && !resolved_to_zero)
2569 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2573 /* If that succeeded, we know we'll be keeping all the
2575 if (h->dynindx != -1)
2579 eh->dyn_relocs = NULL;
2584 /* Finally, allocate space. */
2585 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2587 asection *sreloc = elf_section_data (p->sec)->sreloc;
2588 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2594 /* Allocate space in .plt, .got and associated reloc sections for
2595 local dynamic relocs. */
2598 allocate_local_dynrelocs (void **slot, void *inf)
2600 struct elf_link_hash_entry *h
2601 = (struct elf_link_hash_entry *) *slot;
2603 if (h->type != STT_GNU_IFUNC
2607 || h->root.type != bfd_link_hash_defined)
2610 return allocate_dynrelocs (h, inf);
2613 /* Find any dynamic relocs that apply to read-only sections. */
2616 readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2618 struct _bfd_sparc_elf_link_hash_entry *eh;
2619 struct _bfd_sparc_elf_dyn_relocs *p;
2621 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2622 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2624 asection *s = p->sec->output_section;
2626 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2628 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2630 info->flags |= DF_TEXTREL;
2632 /* Not an error, just cut short the traversal. */
2639 /* Return true if the dynamic symbol for a given section should be
2640 omitted when creating a shared library. */
2643 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2644 struct bfd_link_info *info,
2647 /* We keep the .got section symbol so that explicit relocations
2648 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2649 can be turned into relocations against the .got symbol. */
2650 if (strcmp (p->name, ".got") == 0)
2653 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2656 /* Set the sizes of the dynamic sections. */
2659 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2660 struct bfd_link_info *info)
2662 struct _bfd_sparc_elf_link_hash_table *htab;
2667 htab = _bfd_sparc_elf_hash_table (info);
2668 BFD_ASSERT (htab != NULL);
2669 dynobj = htab->elf.dynobj;
2670 BFD_ASSERT (dynobj != NULL);
2672 if (elf_hash_table (info)->dynamic_sections_created)
2674 /* Set the contents of the .interp section to the interpreter. */
2675 if (bfd_link_executable (info) && !info->nointerp)
2677 s = bfd_get_linker_section (dynobj, ".interp");
2678 BFD_ASSERT (s != NULL);
2679 s->size = htab->dynamic_interpreter_size;
2680 s->contents = (unsigned char *) htab->dynamic_interpreter;
2685 /* Set up .got offsets for local syms, and space for local dynamic
2687 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2689 bfd_signed_vma *local_got;
2690 bfd_signed_vma *end_local_got;
2691 char *local_tls_type;
2692 bfd_size_type locsymcount;
2693 Elf_Internal_Shdr *symtab_hdr;
2696 if (! is_sparc_elf (ibfd))
2699 for (s = ibfd->sections; s != NULL; s = s->next)
2701 struct _bfd_sparc_elf_dyn_relocs *p;
2703 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2705 if (!bfd_is_abs_section (p->sec)
2706 && bfd_is_abs_section (p->sec->output_section))
2708 /* Input section has been discarded, either because
2709 it is a copy of a linkonce section or due to
2710 linker script /DISCARD/, so we'll be discarding
2713 else if (htab->is_vxworks
2714 && strcmp (p->sec->output_section->name,
2717 /* Relocations in vxworks .tls_vars sections are
2718 handled specially by the loader. */
2720 else if (p->count != 0)
2722 srel = elf_section_data (p->sec)->sreloc;
2723 if (!htab->elf.dynamic_sections_created)
2724 srel = htab->elf.irelplt;
2725 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2726 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2727 info->flags |= DF_TEXTREL;
2732 local_got = elf_local_got_refcounts (ibfd);
2736 symtab_hdr = &elf_symtab_hdr (ibfd);
2737 locsymcount = symtab_hdr->sh_info;
2738 end_local_got = local_got + locsymcount;
2739 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2741 srel = htab->elf.srelgot;
2742 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2746 *local_got = s->size;
2747 s->size += SPARC_ELF_WORD_BYTES (htab);
2748 if (*local_tls_type == GOT_TLS_GD)
2749 s->size += SPARC_ELF_WORD_BYTES (htab);
2750 if (bfd_link_pic (info)
2751 || *local_tls_type == GOT_TLS_GD
2752 || *local_tls_type == GOT_TLS_IE)
2753 srel->size += SPARC_ELF_RELA_BYTES (htab);
2756 *local_got = (bfd_vma) -1;
2760 if (htab->tls_ldm_got.refcount > 0)
2762 /* Allocate 2 got entries and 1 dynamic reloc for
2763 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2764 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2765 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2766 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2769 htab->tls_ldm_got.offset = -1;
2771 /* Allocate global sym .plt and .got entries, and space for global
2772 sym dynamic relocs. */
2773 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2775 /* Allocate .plt and .got entries, and space for local symbols. */
2776 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2778 if (! ABI_64_P (output_bfd)
2779 && !htab->is_vxworks
2780 && elf_hash_table (info)->dynamic_sections_created)
2782 /* Make space for the trailing nop in .plt. */
2783 if (htab->elf.splt->size > 0)
2784 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2786 /* If the .got section is more than 0x1000 bytes, we add
2787 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2788 bit relocations have a greater chance of working.
2790 FIXME: Make this optimization work for 64-bit too. */
2791 if (htab->elf.sgot->size >= 0x1000
2792 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2793 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2796 /* The check_relocs and adjust_dynamic_symbol entry points have
2797 determined the sizes of the various dynamic sections. Allocate
2799 for (s = dynobj->sections; s != NULL; s = s->next)
2801 if ((s->flags & SEC_LINKER_CREATED) == 0)
2804 if (s == htab->elf.splt
2805 || s == htab->elf.sgot
2806 || s == htab->elf.sdynbss
2807 || s == htab->elf.sdynrelro
2808 || s == htab->elf.iplt
2809 || s == htab->elf.sgotplt)
2811 /* Strip this section if we don't need it; see the
2814 else if (CONST_STRNEQ (s->name, ".rela"))
2818 /* We use the reloc_count field as a counter if we need
2819 to copy relocs into the output file. */
2825 /* It's not one of our sections. */
2831 /* If we don't need this section, strip it from the
2832 output file. This is mostly to handle .rela.bss and
2833 .rela.plt. We must create both sections in
2834 create_dynamic_sections, because they must be created
2835 before the linker maps input sections to output
2836 sections. The linker does that before
2837 adjust_dynamic_symbol is called, and it is that
2838 function which decides whether anything needs to go
2839 into these sections. */
2840 s->flags |= SEC_EXCLUDE;
2844 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2847 /* Allocate memory for the section contents. Zero the memory
2848 for the benefit of .rela.plt, which has 4 unused entries
2849 at the beginning, and we don't want garbage. */
2850 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2851 if (s->contents == NULL)
2855 if (elf_hash_table (info)->dynamic_sections_created)
2857 /* Add some entries to the .dynamic section. We fill in the
2858 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2859 must add the entries now so that we get the correct size for
2860 the .dynamic section. The DT_DEBUG entry is filled in by the
2861 dynamic linker and used by the debugger. */
2862 #define add_dynamic_entry(TAG, VAL) \
2863 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2865 if (bfd_link_executable (info))
2867 if (!add_dynamic_entry (DT_DEBUG, 0))
2871 if (htab->elf.srelplt->size != 0)
2873 if (!add_dynamic_entry (DT_PLTGOT, 0)
2874 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2875 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2876 || !add_dynamic_entry (DT_JMPREL, 0))
2880 if (!add_dynamic_entry (DT_RELA, 0)
2881 || !add_dynamic_entry (DT_RELASZ, 0)
2882 || !add_dynamic_entry (DT_RELAENT,
2883 SPARC_ELF_RELA_BYTES (htab)))
2886 /* If any dynamic relocs apply to a read-only section,
2887 then we need a DT_TEXTREL entry. */
2888 if ((info->flags & DF_TEXTREL) == 0)
2889 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
2891 if (info->flags & DF_TEXTREL)
2893 if (!add_dynamic_entry (DT_TEXTREL, 0))
2897 if (ABI_64_P (output_bfd))
2900 struct _bfd_sparc_elf_app_reg * app_regs;
2901 struct elf_strtab_hash *dynstr;
2902 struct elf_link_hash_table *eht = elf_hash_table (info);
2904 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2905 entries if needed. */
2906 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2907 dynstr = eht->dynstr;
2909 for (reg = 0; reg < 4; reg++)
2910 if (app_regs [reg].name != NULL)
2912 struct elf_link_local_dynamic_entry *entry, *e;
2914 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2917 entry = (struct elf_link_local_dynamic_entry *)
2918 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2922 /* We cheat here a little bit: the symbol will not be local, so we
2923 put it at the end of the dynlocal linked list. We will fix it
2924 later on, as we have to fix other fields anyway. */
2925 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2926 entry->isym.st_size = 0;
2927 if (*app_regs [reg].name != '\0')
2929 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2931 entry->isym.st_name = 0;
2932 entry->isym.st_other = 0;
2933 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2935 entry->isym.st_shndx = app_regs [reg].shndx;
2936 entry->isym.st_target_internal = 0;
2938 entry->input_bfd = output_bfd;
2939 entry->input_indx = -1;
2941 if (eht->dynlocal == NULL)
2942 eht->dynlocal = entry;
2945 for (e = eht->dynlocal; e->next; e = e->next)
2952 if (htab->is_vxworks
2953 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2956 #undef add_dynamic_entry
2962 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2964 if (!sec->used_by_bfd)
2966 struct _bfd_sparc_elf_section_data *sdata;
2967 bfd_size_type amt = sizeof (*sdata);
2969 sdata = bfd_zalloc (abfd, amt);
2972 sec->used_by_bfd = sdata;
2975 return _bfd_elf_new_section_hook (abfd, sec);
2979 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2980 struct bfd_section *section,
2981 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2984 if (bfd_link_relocatable (link_info))
2985 (*link_info->callbacks->einfo)
2986 (_("%P%F: --relax and -r may not be used together\n"));
2989 sec_do_relax (section) = 1;
2993 /* Return the base VMA address which should be subtracted from real addresses
2994 when resolving @dtpoff relocation.
2995 This is PT_TLS segment p_vaddr. */
2998 dtpoff_base (struct bfd_link_info *info)
3000 /* If tls_sec is NULL, we should have signalled an error already. */
3001 if (elf_hash_table (info)->tls_sec == NULL)
3003 return elf_hash_table (info)->tls_sec->vma;
3006 /* Return the relocation value for @tpoff relocation
3007 if STT_TLS virtual address is ADDRESS. */
3010 tpoff (struct bfd_link_info *info, bfd_vma address)
3012 struct elf_link_hash_table *htab = elf_hash_table (info);
3013 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
3014 bfd_vma static_tls_size;
3016 /* If tls_sec is NULL, we should have signalled an error already. */
3017 if (htab->tls_sec == NULL)
3020 /* Consider special static TLS alignment requirements. */
3021 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
3022 return address - static_tls_size - htab->tls_sec->vma;
3025 /* Return the relocation value for a %gdop relocation. */
3028 gdopoff (struct bfd_link_info *info, bfd_vma address)
3030 struct elf_link_hash_table *htab = elf_hash_table (info);
3033 got_base = (htab->hgot->root.u.def.value
3034 + htab->hgot->root.u.def.section->output_offset
3035 + htab->hgot->root.u.def.section->output_section->vma);
3037 return address - got_base;
3040 /* Return whether H is local and its ADDRESS is within 4G of
3041 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
3042 sethi, xor sequence. */
3045 gdop_relative_offset_ok (struct bfd_link_info *info,
3046 struct elf_link_hash_entry *h,
3047 bfd_vma address ATTRIBUTE_UNUSED)
3049 if (!SYMBOL_REFERENCES_LOCAL (info, h))
3051 /* If H is undefined, ADDRESS will be zero. We can't allow a
3052 relative offset to "zero" when producing PIEs or shared libs.
3053 Note that to get here with an undefined symbol it must also be
3054 hidden or internal visibility. */
3055 if (bfd_link_pic (info)
3057 && (h->root.type == bfd_link_hash_undefweak
3058 || h->root.type == bfd_link_hash_undefined))
3061 return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
3067 /* Relocate a SPARC ELF section. */
3070 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
3071 struct bfd_link_info *info,
3073 asection *input_section,
3075 Elf_Internal_Rela *relocs,
3076 Elf_Internal_Sym *local_syms,
3077 asection **local_sections)
3079 struct _bfd_sparc_elf_link_hash_table *htab;
3080 Elf_Internal_Shdr *symtab_hdr;
3081 struct elf_link_hash_entry **sym_hashes;
3082 bfd_vma *local_got_offsets;
3085 Elf_Internal_Rela *rel;
3086 Elf_Internal_Rela *relend;
3088 bfd_boolean is_vxworks_tls;
3090 htab = _bfd_sparc_elf_hash_table (info);
3091 BFD_ASSERT (htab != NULL);
3092 symtab_hdr = &elf_symtab_hdr (input_bfd);
3093 sym_hashes = elf_sym_hashes (input_bfd);
3094 local_got_offsets = elf_local_got_offsets (input_bfd);
3096 if (elf_hash_table (info)->hgot == NULL)
3099 got_base = elf_hash_table (info)->hgot->root.u.def.value;
3101 sreloc = elf_section_data (input_section)->sreloc;
3102 /* We have to handle relocations in vxworks .tls_vars sections
3103 specially, because the dynamic loader is 'weird'. */
3104 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
3105 && !strcmp (input_section->output_section->name,
3109 if (ABI_64_P (output_bfd))
3110 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
3112 num_relocs = input_section->reloc_count;
3113 relend = relocs + num_relocs;
3114 for (; rel < relend; rel++)
3116 int r_type, tls_type;
3117 reloc_howto_type *howto;
3118 unsigned long r_symndx;
3119 struct elf_link_hash_entry *h;
3120 struct _bfd_sparc_elf_link_hash_entry *eh;
3121 Elf_Internal_Sym *sym;
3123 bfd_vma relocation, off;
3124 bfd_reloc_status_type r;
3125 bfd_boolean is_plt = FALSE;
3126 bfd_boolean unresolved_reloc;
3127 bfd_boolean resolved_to_zero;
3129 r_type = SPARC_ELF_R_TYPE (rel->r_info);
3130 if (r_type == R_SPARC_GNU_VTINHERIT
3131 || r_type == R_SPARC_GNU_VTENTRY)
3134 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
3136 bfd_set_error (bfd_error_bad_value);
3139 howto = _bfd_sparc_elf_howto_table + r_type;
3141 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
3145 unresolved_reloc = FALSE;
3146 if (r_symndx < symtab_hdr->sh_info)
3148 sym = local_syms + r_symndx;
3149 sec = local_sections[r_symndx];
3150 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
3152 if (!bfd_link_relocatable (info)
3153 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
3155 /* Relocate against local STT_GNU_IFUNC symbol. */
3156 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
3161 /* Set STT_GNU_IFUNC symbol value. */
3162 h->root.u.def.value = sym->st_value;
3163 h->root.u.def.section = sec;
3168 bfd_boolean warned, ignored;
3170 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
3171 r_symndx, symtab_hdr, sym_hashes,
3173 unresolved_reloc, warned, ignored);
3176 /* To avoid generating warning messages about truncated
3177 relocations, set the relocation's address to be the same as
3178 the start of this section. */
3179 if (input_section->output_section != NULL)
3180 relocation = input_section->output_section->vma;
3186 if (sec != NULL && discarded_section (sec))
3187 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3188 rel, 1, relend, howto, 0, contents);
3190 if (bfd_link_relocatable (info))
3194 && h->type == STT_GNU_IFUNC
3200 if ((input_section->flags & SEC_ALLOC) == 0
3201 || h->plt.offset == (bfd_vma) -1)
3204 plt_sec = htab->elf.splt;
3206 plt_sec =htab->elf.iplt;
3210 case R_SPARC_GOTDATA_OP:
3213 case R_SPARC_GOTDATA_OP_HIX22:
3214 case R_SPARC_GOTDATA_OP_LOX10:
3215 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3218 howto = _bfd_sparc_elf_howto_table + r_type;
3224 if (htab->elf.sgot == NULL)
3226 off = h->got.offset;
3227 if (off == (bfd_vma) -1)
3229 relocation = htab->elf.sgot->output_offset + off - got_base;
3232 case R_SPARC_WPLT30:
3233 case R_SPARC_WDISP30:
3234 relocation = (plt_sec->output_section->vma
3235 + plt_sec->output_offset + h->plt.offset);
3240 if (bfd_link_pic (info) && h->non_got_ref)
3242 Elf_Internal_Rela outrel;
3245 offset = _bfd_elf_section_offset (output_bfd, info,
3248 if (offset == (bfd_vma) -1
3249 || offset == (bfd_vma) -2)
3252 outrel.r_offset = (input_section->output_section->vma
3253 + input_section->output_offset
3256 if (h->dynindx == -1
3258 || bfd_link_executable (info))
3260 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3261 0, R_SPARC_IRELATIVE);
3262 outrel.r_addend = relocation + rel->r_addend;
3266 if (h->dynindx == -1)
3268 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3269 outrel.r_addend = rel->r_addend;
3272 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3276 relocation = (plt_sec->output_section->vma
3277 + plt_sec->output_offset + h->plt.offset);
3282 /* We should only see such relocs in static links. */
3283 if (bfd_link_pic (info))
3285 relocation = (plt_sec->output_section->vma
3286 + plt_sec->output_offset + h->plt.offset);
3290 if (h->root.root.string)
3291 name = h->root.root.string;
3293 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3296 /* xgettext:c-format */
3297 (_("%B: relocation %s against STT_GNU_IFUNC "
3298 "symbol `%s' isn't handled by %s"), input_bfd,
3299 _bfd_sparc_elf_howto_table[r_type].name,
3300 name, __FUNCTION__);
3301 bfd_set_error (bfd_error_bad_value);
3306 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
3307 resolved_to_zero = (eh != NULL
3308 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
3312 case R_SPARC_GOTDATA_OP_HIX22:
3313 case R_SPARC_GOTDATA_OP_LOX10:
3314 if (gdop_relative_offset_ok (info, h, relocation))
3316 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3317 ? R_SPARC_GOTDATA_HIX22
3318 : R_SPARC_GOTDATA_LOX10);
3319 howto = _bfd_sparc_elf_howto_table + r_type;
3323 case R_SPARC_GOTDATA_OP:
3324 if (gdop_relative_offset_ok (info, h, relocation))
3326 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3328 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3329 relocation = 0x80000000 | (insn & 0x3e07c01f);
3330 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3337 case R_SPARC_GOTDATA_HIX22:
3338 case R_SPARC_GOTDATA_LOX10:
3339 relocation = gdopoff (info, relocation);
3342 case R_SPARC_GOTDATA_OP_HIX22:
3343 case R_SPARC_GOTDATA_OP_LOX10:
3347 /* Relocation is to the entry for this symbol in the global
3349 if (htab->elf.sgot == NULL)
3356 off = h->got.offset;
3357 BFD_ASSERT (off != (bfd_vma) -1);
3358 dyn = elf_hash_table (info)->dynamic_sections_created;
3360 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3361 bfd_link_pic (info),
3363 || (bfd_link_pic (info)
3364 && SYMBOL_REFERENCES_LOCAL (info, h)))
3366 /* This is actually a static link, or it is a
3367 -Bsymbolic link and the symbol is defined
3368 locally, or the symbol was forced to be local
3369 because of a version file. We must initialize
3370 this entry in the global offset table. Since the
3371 offset must always be a multiple of 8 for 64-bit
3372 and 4 for 32-bit, we use the least significant bit
3373 to record whether we have initialized it already.
3375 When doing a dynamic link, we create a .rela.got
3376 relocation entry to initialize the value. This
3377 is done in the finish_dynamic_symbol routine. */
3382 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3383 htab->elf.sgot->contents + off);
3388 unresolved_reloc = FALSE;
3392 BFD_ASSERT (local_got_offsets != NULL
3393 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3395 off = local_got_offsets[r_symndx];
3397 /* The offset must always be a multiple of 8 on 64-bit and
3398 4 on 32-bit. We use the least significant bit to record
3399 whether we have already processed this entry. */
3405 if (bfd_link_pic (info))
3408 Elf_Internal_Rela outrel;
3410 /* We need to generate a R_SPARC_RELATIVE reloc
3411 for the dynamic linker. */
3412 s = htab->elf.srelgot;
3413 BFD_ASSERT (s != NULL);
3415 outrel.r_offset = (htab->elf.sgot->output_section->vma
3416 + htab->elf.sgot->output_offset
3418 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3419 0, R_SPARC_RELATIVE);
3420 outrel.r_addend = relocation;
3422 sparc_elf_append_rela (output_bfd, s, &outrel);
3425 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3426 htab->elf.sgot->contents + off);
3427 local_got_offsets[r_symndx] |= 1;
3430 relocation = htab->elf.sgot->output_offset + off - got_base;
3435 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3437 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3442 case R_SPARC_WPLT30:
3443 case R_SPARC_HIPLT22:
3444 case R_SPARC_LOPLT10:
3445 case R_SPARC_PCPLT32:
3446 case R_SPARC_PCPLT22:
3447 case R_SPARC_PCPLT10:
3449 /* Relocation is to the entry for this symbol in the
3450 procedure linkage table. */
3452 if (! ABI_64_P (output_bfd))
3454 /* The Solaris native assembler will generate a WPLT30 reloc
3455 for a local symbol if you assemble a call from one
3456 section to another when using -K pic. We treat it as
3461 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3462 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3466 BFD_ASSERT (h != NULL);
3469 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3471 /* We didn't make a PLT entry for this symbol. This
3472 happens when statically linking PIC code, or when
3473 using -Bsymbolic. */
3477 relocation = (htab->elf.splt->output_section->vma
3478 + htab->elf.splt->output_offset
3480 unresolved_reloc = FALSE;
3481 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3483 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3491 case R_SPARC_PC_HH22:
3492 case R_SPARC_PC_HM10:
3493 case R_SPARC_PC_LM22:
3495 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3499 case R_SPARC_DISP16:
3500 case R_SPARC_DISP32:
3501 case R_SPARC_DISP64:
3502 case R_SPARC_WDISP30:
3503 case R_SPARC_WDISP22:
3504 case R_SPARC_WDISP19:
3505 case R_SPARC_WDISP16:
3506 case R_SPARC_WDISP10:
3534 if ((input_section->flags & SEC_ALLOC) == 0
3538 /* Copy dynamic function pointer relocations. Don't generate
3539 dynamic relocations against resolved undefined weak symbols
3541 if ((bfd_link_pic (info)
3543 || ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3544 && !resolved_to_zero)
3545 || h->root.type != bfd_link_hash_undefweak))
3546 && (! howto->pc_relative
3547 || !SYMBOL_CALLS_LOCAL (info, h)))
3548 || (!bfd_link_pic (info)
3554 || (h->root.type == bfd_link_hash_undefweak
3555 && !resolved_to_zero)
3556 || h->root.type == bfd_link_hash_undefined)))
3558 Elf_Internal_Rela outrel;
3559 bfd_boolean skip, relocate = FALSE;
3561 /* When generating a shared object, these relocations
3562 are copied into the output file to be resolved at run
3565 BFD_ASSERT (sreloc != NULL);
3570 _bfd_elf_section_offset (output_bfd, info, input_section,
3572 if (outrel.r_offset == (bfd_vma) -1)
3574 else if (outrel.r_offset == (bfd_vma) -2)
3575 skip = TRUE, relocate = TRUE;
3576 outrel.r_offset += (input_section->output_section->vma
3577 + input_section->output_offset);
3579 /* Optimize unaligned reloc usage now that we know where
3580 it finally resides. */
3584 if (outrel.r_offset & 1)
3585 r_type = R_SPARC_UA16;
3588 if (!(outrel.r_offset & 1))
3589 r_type = R_SPARC_16;
3592 if (outrel.r_offset & 3)
3593 r_type = R_SPARC_UA32;
3596 if (!(outrel.r_offset & 3))
3597 r_type = R_SPARC_32;
3600 if (outrel.r_offset & 7)
3601 r_type = R_SPARC_UA64;
3604 if (!(outrel.r_offset & 7))
3605 r_type = R_SPARC_64;
3608 case R_SPARC_DISP16:
3609 case R_SPARC_DISP32:
3610 case R_SPARC_DISP64:
3611 /* If the symbol is not dynamic, we should not keep
3612 a dynamic relocation. But an .rela.* slot has been
3613 allocated for it, output R_SPARC_NONE.
3614 FIXME: Add code tracking needed dynamic relocs as
3616 if (h->dynindx == -1)
3617 skip = TRUE, relocate = TRUE;
3622 memset (&outrel, 0, sizeof outrel);
3623 /* h->dynindx may be -1 if the symbol was marked to
3627 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3628 || !bfd_link_pic (info)
3629 || !SYMBOLIC_BIND (info, h)
3630 || !h->def_regular))
3632 BFD_ASSERT (h->dynindx != -1);
3633 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3634 outrel.r_addend = rel->r_addend;
3638 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3639 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
3641 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3642 0, R_SPARC_RELATIVE);
3643 outrel.r_addend = relocation + rel->r_addend;
3649 outrel.r_addend = relocation + rel->r_addend;
3652 sec = htab->elf.splt;
3654 if (bfd_is_abs_section (sec))
3656 else if (sec == NULL || sec->owner == NULL)
3658 bfd_set_error (bfd_error_bad_value);
3665 /* We are turning this relocation into one
3666 against a section symbol. It would be
3667 proper to subtract the symbol's value,
3668 osec->vma, from the emitted reloc addend,
3669 but ld.so expects buggy relocs. */
3670 osec = sec->output_section;
3671 indx = elf_section_data (osec)->dynindx;
3675 osec = htab->elf.text_index_section;
3676 indx = elf_section_data (osec)->dynindx;
3679 /* FIXME: we really should be able to link non-pic
3680 shared libraries. */
3685 (_("%B: probably compiled without -fPIC?"),
3687 bfd_set_error (bfd_error_bad_value);
3692 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3697 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3699 /* This reloc will be computed at runtime, so there's no
3700 need to do anything now. */
3706 case R_SPARC_TLS_GD_HI22:
3707 if (! ABI_64_P (input_bfd)
3708 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
3710 /* R_SPARC_REV32 used the same reloc number as
3711 R_SPARC_TLS_GD_HI22. */
3712 r_type = R_SPARC_REV32;
3717 case R_SPARC_TLS_GD_LO10:
3718 case R_SPARC_TLS_IE_HI22:
3719 case R_SPARC_TLS_IE_LO10:
3720 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
3721 tls_type = GOT_UNKNOWN;
3722 if (h == NULL && local_got_offsets)
3723 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3726 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3727 if (!bfd_link_pic (info)
3729 && tls_type == GOT_TLS_IE)
3730 switch (SPARC_ELF_R_TYPE (rel->r_info))
3732 case R_SPARC_TLS_GD_HI22:
3733 case R_SPARC_TLS_IE_HI22:
3734 r_type = R_SPARC_TLS_LE_HIX22;
3737 r_type = R_SPARC_TLS_LE_LOX10;
3741 if (tls_type == GOT_TLS_IE)
3744 case R_SPARC_TLS_GD_HI22:
3745 r_type = R_SPARC_TLS_IE_HI22;
3747 case R_SPARC_TLS_GD_LO10:
3748 r_type = R_SPARC_TLS_IE_LO10;
3752 if (r_type == R_SPARC_TLS_LE_HIX22)
3754 relocation = tpoff (info, relocation);
3757 if (r_type == R_SPARC_TLS_LE_LOX10)
3759 /* Change add into xor. */
3760 relocation = tpoff (info, relocation);
3761 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3762 contents + rel->r_offset)
3763 | 0x80182000), contents + rel->r_offset);
3769 off = h->got.offset;
3774 BFD_ASSERT (local_got_offsets != NULL);
3775 off = local_got_offsets[r_symndx];
3776 local_got_offsets[r_symndx] |= 1;
3780 if (htab->elf.sgot == NULL)
3787 Elf_Internal_Rela outrel;
3790 if (htab->elf.srelgot == NULL)
3793 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3794 htab->elf.sgot->contents + off);
3795 outrel.r_offset = (htab->elf.sgot->output_section->vma
3796 + htab->elf.sgot->output_offset + off);
3797 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3798 if (r_type == R_SPARC_TLS_IE_HI22
3799 || r_type == R_SPARC_TLS_IE_LO10)
3800 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3802 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3803 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3804 outrel.r_addend = relocation - dtpoff_base (info);
3806 outrel.r_addend = 0;
3807 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3808 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3810 if (r_type == R_SPARC_TLS_GD_HI22
3811 || r_type == R_SPARC_TLS_GD_LO10)
3815 BFD_ASSERT (! unresolved_reloc);
3816 SPARC_ELF_PUT_WORD (htab, output_bfd,
3817 relocation - dtpoff_base (info),
3818 (htab->elf.sgot->contents + off
3819 + SPARC_ELF_WORD_BYTES (htab)));
3823 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3824 (htab->elf.sgot->contents + off
3825 + SPARC_ELF_WORD_BYTES (htab)));
3826 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3827 SPARC_ELF_DTPOFF_RELOC (htab));
3828 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3829 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3833 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3835 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3836 (htab->elf.sgot->contents + off
3837 + SPARC_ELF_WORD_BYTES (htab)));
3841 if (off >= (bfd_vma) -2)
3844 relocation = htab->elf.sgot->output_offset + off - got_base;
3845 unresolved_reloc = FALSE;
3846 howto = _bfd_sparc_elf_howto_table + r_type;
3849 case R_SPARC_TLS_LDM_HI22:
3850 case R_SPARC_TLS_LDM_LO10:
3851 if (! bfd_link_pic (info))
3853 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3856 off = htab->tls_ldm_got.offset;
3857 htab->tls_ldm_got.offset |= 1;
3858 goto r_sparc_tlsldm;
3860 case R_SPARC_TLS_LDO_HIX22:
3861 case R_SPARC_TLS_LDO_LOX10:
3862 if (bfd_link_pic (info))
3864 relocation -= dtpoff_base (info);
3868 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3869 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3872 case R_SPARC_TLS_LE_HIX22:
3873 case R_SPARC_TLS_LE_LOX10:
3874 if (bfd_link_pic (info))
3876 Elf_Internal_Rela outrel;
3879 BFD_ASSERT (sreloc != NULL);
3882 _bfd_elf_section_offset (output_bfd, info, input_section,
3884 if (outrel.r_offset == (bfd_vma) -1)
3886 else if (outrel.r_offset == (bfd_vma) -2)
3888 outrel.r_offset += (input_section->output_section->vma
3889 + input_section->output_offset);
3891 memset (&outrel, 0, sizeof outrel);
3894 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3895 outrel.r_addend = relocation - dtpoff_base (info)
3899 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3902 relocation = tpoff (info, relocation);
3905 case R_SPARC_TLS_LDM_CALL:
3906 if (! bfd_link_pic (info))
3909 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3914 case R_SPARC_TLS_GD_CALL:
3915 tls_type = GOT_UNKNOWN;
3916 if (h == NULL && local_got_offsets)
3917 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3919 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3920 if (! bfd_link_pic (info)
3921 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3923 Elf_Internal_Rela *rel2;
3926 if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
3929 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3934 if (rel + 1 < relend
3935 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3936 && rel[1].r_offset == rel->r_offset + 4
3937 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3938 && (((insn = bfd_get_32 (input_bfd,
3939 contents + rel[1].r_offset))
3940 >> 25) & 0x1f) == 8)
3943 call __tls_get_addr, %tgd_call(foo)
3944 add %reg1, %reg2, %o0, %tgd_add(foo)
3945 and change it into IE:
3946 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3947 add %g7, %o0, %o0, %tie_add(foo).
3948 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3949 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3950 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3951 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3952 contents + rel->r_offset);
3953 bfd_put_32 (output_bfd, 0x9001c008,
3954 contents + rel->r_offset + 4);
3959 /* We cannot just overwrite the delay slot instruction,
3960 as it might be what puts the %o0 argument to
3961 __tls_get_addr into place. So we have to transpose
3962 the delay slot with the add we patch in. */
3963 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3964 bfd_put_32 (output_bfd, insn,
3965 contents + rel->r_offset);
3966 bfd_put_32 (output_bfd, 0x9001c008,
3967 contents + rel->r_offset + 4);
3970 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3974 /* If the instruction we moved has a relocation attached to
3975 it, adjust the offset so that it will apply to the correct
3977 rel2->r_offset -= 4;
3982 h = (struct elf_link_hash_entry *)
3983 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3985 BFD_ASSERT (h != NULL);
3986 r_type = R_SPARC_WPLT30;
3987 howto = _bfd_sparc_elf_howto_table + r_type;
3988 goto r_sparc_wplt30;
3990 case R_SPARC_TLS_GD_ADD:
3991 tls_type = GOT_UNKNOWN;
3992 if (h == NULL && local_got_offsets)
3993 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3995 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3996 if (! bfd_link_pic (info) || tls_type == GOT_TLS_IE)
3998 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
4000 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
4002 add %g7, %reg2, %reg3. */
4003 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
4004 if ((h != NULL && h->dynindx != -1) || bfd_link_pic (info))
4005 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
4007 relocation = (insn & ~0x7c000) | 0x1c000;
4008 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
4012 case R_SPARC_TLS_LDM_ADD:
4013 if (! bfd_link_pic (info))
4014 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
4017 case R_SPARC_TLS_LDO_ADD:
4018 if (! bfd_link_pic (info))
4020 /* Change rs1 into %g7. */
4021 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
4022 insn = (insn & ~0x7c000) | 0x1c000;
4023 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
4027 case R_SPARC_TLS_IE_LD:
4028 case R_SPARC_TLS_IE_LDX:
4029 if (! bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
4031 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
4032 int rs2 = insn & 0x1f;
4033 int rd = (insn >> 25) & 0x1f;
4036 relocation = SPARC_NOP;
4038 relocation = 0x80100000 | (insn & 0x3e00001f);
4039 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
4043 case R_SPARC_TLS_IE_ADD:
4044 /* Totally useless relocation. */
4047 case R_SPARC_TLS_DTPOFF32:
4048 case R_SPARC_TLS_DTPOFF64:
4049 relocation -= dtpoff_base (info);
4056 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
4057 because such sections are not SEC_ALLOC and thus ld.so will
4058 not process them. */
4059 if (unresolved_reloc
4060 && !((input_section->flags & SEC_DEBUGGING) != 0
4062 && _bfd_elf_section_offset (output_bfd, info, input_section,
4063 rel->r_offset) != (bfd_vma) -1)
4065 /* xgettext:c-format */
4066 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
4069 (long) rel->r_offset,
4071 h->root.root.string);
4073 r = bfd_reloc_continue;
4074 if (r_type == R_SPARC_OLO10)
4078 if (! ABI_64_P (output_bfd))
4081 relocation += rel->r_addend;
4082 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
4084 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4085 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
4086 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4088 r = bfd_check_overflow (howto->complain_on_overflow,
4089 howto->bitsize, howto->rightshift,
4090 bfd_arch_bits_per_address (input_bfd),
4093 else if (r_type == R_SPARC_WDISP16)
4097 relocation += rel->r_addend;
4098 relocation -= (input_section->output_section->vma
4099 + input_section->output_offset);
4100 relocation -= rel->r_offset;
4102 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4103 x |= ((((relocation >> 2) & 0xc000) << 6)
4104 | ((relocation >> 2) & 0x3fff));
4105 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4107 r = bfd_check_overflow (howto->complain_on_overflow,
4108 howto->bitsize, howto->rightshift,
4109 bfd_arch_bits_per_address (input_bfd),
4112 else if (r_type == R_SPARC_WDISP10)
4116 relocation += rel->r_addend;
4117 relocation -= (input_section->output_section->vma
4118 + input_section->output_offset);
4119 relocation -= rel->r_offset;
4121 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4122 x |= ((((relocation >> 2) & 0x300) << 11)
4123 | (((relocation >> 2) & 0xff) << 5));
4124 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4126 r = bfd_check_overflow (howto->complain_on_overflow,
4127 howto->bitsize, howto->rightshift,
4128 bfd_arch_bits_per_address (input_bfd),
4131 else if (r_type == R_SPARC_REV32)
4135 relocation = relocation + rel->r_addend;
4137 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4139 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
4142 else if (r_type == R_SPARC_TLS_LDO_HIX22
4143 || r_type == R_SPARC_TLS_LE_HIX22)
4147 relocation += rel->r_addend;
4148 if (r_type == R_SPARC_TLS_LE_HIX22)
4149 relocation ^= MINUS_ONE;
4151 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4152 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4153 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4156 else if (r_type == R_SPARC_TLS_LDO_LOX10
4157 || r_type == R_SPARC_TLS_LE_LOX10)
4161 relocation += rel->r_addend;
4162 relocation &= 0x3ff;
4163 if (r_type == R_SPARC_TLS_LE_LOX10)
4164 relocation |= 0x1c00;
4166 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4167 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4168 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4172 else if (r_type == R_SPARC_HIX22
4173 || r_type == R_SPARC_GOTDATA_HIX22
4174 || r_type == R_SPARC_GOTDATA_OP_HIX22)
4178 relocation += rel->r_addend;
4179 if (r_type == R_SPARC_HIX22
4180 || (bfd_signed_vma) relocation < 0)
4181 relocation = relocation ^ MINUS_ONE;
4183 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4184 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4185 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4187 r = bfd_check_overflow (howto->complain_on_overflow,
4188 howto->bitsize, howto->rightshift,
4189 bfd_arch_bits_per_address (input_bfd),
4192 else if (r_type == R_SPARC_LOX10
4193 || r_type == R_SPARC_GOTDATA_LOX10
4194 || r_type == R_SPARC_GOTDATA_OP_LOX10)
4198 relocation += rel->r_addend;
4199 if (r_type == R_SPARC_LOX10
4200 || (bfd_signed_vma) relocation < 0)
4201 relocation = (relocation & 0x3ff) | 0x1c00;
4203 relocation = (relocation & 0x3ff);
4205 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4206 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4207 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4211 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4212 && sec_do_relax (input_section)
4213 && rel->r_offset + 4 < input_section->size)
4217 #define XCC (2 << 20)
4218 #define COND(x) (((x)&0xf)<<25)
4219 #define CONDA COND(0x8)
4220 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4221 #define INSN_BA (F2(0,2) | CONDA)
4222 #define INSN_OR F3(2, 0x2, 0)
4223 #define INSN_NOP F2(0,4)
4227 /* If the instruction is a call with either:
4229 arithmetic instruction with rd == %o7
4230 where rs1 != %o7 and rs2 if it is register != %o7
4231 then we can optimize if the call destination is near
4232 by changing the call into a branch always. */
4233 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4234 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4235 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4237 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4238 || ((y & OP3(0x28)) == 0 /* arithmetic */
4239 && (y & RD(~0)) == RD(O7)))
4240 && (y & RS1(~0)) != RS1(O7)
4242 || (y & RS2(~0)) != RS2(O7)))
4246 reloc = relocation + rel->r_addend - rel->r_offset;
4247 reloc -= (input_section->output_section->vma
4248 + input_section->output_offset);
4250 /* Ensure the branch fits into simm22. */
4251 if ((reloc & 3) == 0
4252 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4253 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4257 /* Check whether it fits into simm19. */
4258 if (((reloc & 0x3c0000) == 0
4259 || (reloc & 0x3c0000) == 0x3c0000)
4260 && (ABI_64_P (output_bfd)
4261 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4262 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4264 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4265 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4267 if (rel->r_offset >= 4
4268 && (y & (0xffffffff ^ RS1(~0)))
4269 == (INSN_OR | RD(O7) | RS2(G0)))
4274 z = bfd_get_32 (input_bfd,
4275 contents + rel->r_offset - 4);
4276 if ((z & (0xffffffff ^ RD(~0)))
4277 != (INSN_OR | RS1(O7) | RS2(G0)))
4285 If call foo was replaced with ba, replace
4286 or %rN, %g0, %o7 with nop. */
4288 reg = (y & RS1(~0)) >> 14;
4289 if (reg != ((z & RD(~0)) >> 25)
4290 || reg == G0 || reg == O7)
4293 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4294 contents + rel->r_offset + 4);
4302 if (r == bfd_reloc_continue)
4305 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4306 contents, rel->r_offset,
4307 relocation, rel->r_addend);
4309 if (r != bfd_reloc_ok)
4314 case bfd_reloc_outofrange:
4316 case bfd_reloc_overflow:
4320 /* The Solaris native linker silently disregards overflows.
4321 We don't, but this breaks stabs debugging info, whose
4322 relocations are only 32-bits wide. Ignore overflows in
4323 this case and also for discarded entries. */
4324 if ((r_type == R_SPARC_32
4325 || r_type == R_SPARC_UA32
4326 || r_type == R_SPARC_DISP32)
4327 && (((input_section->flags & SEC_DEBUGGING) != 0
4328 && strcmp (bfd_section_name (input_bfd,
4331 || _bfd_elf_section_offset (output_bfd, info,
4339 /* Assume this is a call protected by other code that
4340 detect the symbol is undefined. If this is the case,
4341 we can safely ignore the overflow. If not, the
4342 program is hosed anyway, and a little warning isn't
4344 if (h->root.type == bfd_link_hash_undefweak
4345 && howto->pc_relative)
4352 name = bfd_elf_string_from_elf_section (input_bfd,
4353 symtab_hdr->sh_link,
4358 name = bfd_section_name (input_bfd, sec);
4360 (*info->callbacks->reloc_overflow)
4361 (info, (h ? &h->root : NULL), name, howto->name,
4362 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4372 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4373 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4374 is the offset of the associated .got.plt entry from
4375 _GLOBAL_OFFSET_TABLE_. */
4378 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4379 bfd_vma plt_offset, bfd_vma plt_index,
4383 const bfd_vma *plt_entry;
4384 struct _bfd_sparc_elf_link_hash_table *htab;
4386 Elf_Internal_Rela rela;
4388 htab = _bfd_sparc_elf_hash_table (info);
4389 BFD_ASSERT (htab != NULL);
4391 if (bfd_link_pic (info))
4393 plt_entry = sparc_vxworks_shared_plt_entry;
4398 plt_entry = sparc_vxworks_exec_plt_entry;
4399 got_base = (htab->elf.hgot->root.u.def.value
4400 + htab->elf.hgot->root.u.def.section->output_offset
4401 + htab->elf.hgot->root.u.def.section->output_section->vma);
4404 /* Fill in the entry in the procedure linkage table. */
4405 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4406 htab->elf.splt->contents + plt_offset);
4407 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4408 htab->elf.splt->contents + plt_offset + 4);
4409 bfd_put_32 (output_bfd, plt_entry[2],
4410 htab->elf.splt->contents + plt_offset + 8);
4411 bfd_put_32 (output_bfd, plt_entry[3],
4412 htab->elf.splt->contents + plt_offset + 12);
4413 bfd_put_32 (output_bfd, plt_entry[4],
4414 htab->elf.splt->contents + plt_offset + 16);
4415 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4416 htab->elf.splt->contents + plt_offset + 20);
4417 /* PC-relative displacement for a branch to the start of
4419 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4421 htab->elf.splt->contents + plt_offset + 24);
4422 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4423 htab->elf.splt->contents + plt_offset + 28);
4425 /* Fill in the .got.plt entry, pointing initially at the
4426 second half of the PLT entry. */
4427 BFD_ASSERT (htab->elf.sgotplt != NULL);
4428 bfd_put_32 (output_bfd,
4429 htab->elf.splt->output_section->vma
4430 + htab->elf.splt->output_offset
4432 htab->elf.sgotplt->contents + got_offset);
4434 /* Add relocations to .rela.plt.unloaded. */
4435 if (!bfd_link_pic (info))
4437 loc = (htab->srelplt2->contents
4438 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4440 /* Relocate the initial sethi. */
4441 rela.r_offset = (htab->elf.splt->output_section->vma
4442 + htab->elf.splt->output_offset
4444 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4445 rela.r_addend = got_offset;
4446 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4447 loc += sizeof (Elf32_External_Rela);
4449 /* Likewise the following or. */
4451 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4452 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4453 loc += sizeof (Elf32_External_Rela);
4455 /* Relocate the .got.plt entry. */
4456 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4457 + htab->elf.sgotplt->output_offset
4459 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4460 rela.r_addend = plt_offset + 20;
4461 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4465 /* Finish up dynamic symbol handling. We set the contents of various
4466 dynamic sections here. */
4469 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4470 struct bfd_link_info *info,
4471 struct elf_link_hash_entry *h,
4472 Elf_Internal_Sym *sym)
4474 struct _bfd_sparc_elf_link_hash_table *htab;
4475 const struct elf_backend_data *bed;
4476 struct _bfd_sparc_elf_link_hash_entry *eh;
4477 bfd_boolean local_undefweak;
4479 htab = _bfd_sparc_elf_hash_table (info);
4480 BFD_ASSERT (htab != NULL);
4481 bed = get_elf_backend_data (output_bfd);
4483 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
4485 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4486 resolved undefined weak symbols in executable so that their
4487 references have value 0 at run-time. */
4488 local_undefweak = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
4490 if (h->plt.offset != (bfd_vma) -1)
4494 Elf_Internal_Rela rela;
4496 bfd_vma r_offset, got_offset;
4499 /* When building a static executable, use .iplt and
4500 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4501 if (htab->elf.splt != NULL)
4503 splt = htab->elf.splt;
4504 srela = htab->elf.srelplt;
4508 splt = htab->elf.iplt;
4509 srela = htab->elf.irelplt;
4512 if (splt == NULL || srela == NULL)
4515 /* Fill in the entry in the .rela.plt section. */
4516 if (htab->is_vxworks)
4518 /* Work out the index of this PLT entry. */
4519 rela_index = ((h->plt.offset - htab->plt_header_size)
4520 / htab->plt_entry_size);
4522 /* Calculate the offset of the associated .got.plt entry.
4523 The first three entries are reserved. */
4524 got_offset = (rela_index + 3) * 4;
4526 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4527 rela_index, got_offset);
4530 /* On VxWorks, the relocation points to the .got.plt entry,
4531 not the .plt entry. */
4532 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4533 + htab->elf.sgotplt->output_offset
4536 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4541 bfd_boolean ifunc = FALSE;
4543 /* Fill in the entry in the procedure linkage table. */
4544 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4545 h->plt.offset, splt->size,
4550 || ((bfd_link_executable (info)
4551 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4553 && h->type == STT_GNU_IFUNC))
4556 BFD_ASSERT (h == NULL
4557 || (h->type == STT_GNU_IFUNC
4559 && (h->root.type == bfd_link_hash_defined
4560 || h->root.type == bfd_link_hash_defweak)));
4563 rela.r_offset = r_offset
4564 + (splt->output_section->vma + splt->output_offset);
4565 if (ABI_64_P (output_bfd)
4566 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4570 rela.r_addend = (h->root.u.def.section->output_section->vma
4571 + h->root.u.def.section->output_offset
4572 + h->root.u.def.value);
4573 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4578 rela.r_addend = (-(h->plt.offset + 4)
4579 - splt->output_section->vma
4580 - splt->output_offset);
4581 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4589 rela.r_addend = (h->root.u.def.section->output_section->vma
4590 + h->root.u.def.section->output_offset
4591 + h->root.u.def.value);
4592 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4598 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4604 /* Adjust for the first 4 reserved elements in the .plt section
4605 when setting the offset in the .rela.plt section.
4606 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4607 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4609 loc = srela->contents;
4610 loc += rela_index * bed->s->sizeof_rela;
4611 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4613 if (!local_undefweak
4616 /* Mark the symbol as undefined, rather than as defined in
4617 the .plt section. Leave the value alone. */
4618 sym->st_shndx = SHN_UNDEF;
4619 /* If the symbol is weak, we do need to clear the value.
4620 Otherwise, the PLT entry would provide a definition for
4621 the symbol even if the symbol wasn't defined anywhere,
4622 and so the symbol would never be NULL. */
4623 if (!h->ref_regular_nonweak)
4628 /* Don't generate dynamic GOT relocation against undefined weak
4629 symbol in executable. */
4630 if (h->got.offset != (bfd_vma) -1
4631 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4632 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
4633 && !local_undefweak)
4637 Elf_Internal_Rela rela;
4639 /* This symbol has an entry in the GOT. Set it up. */
4641 sgot = htab->elf.sgot;
4642 srela = htab->elf.srelgot;
4643 BFD_ASSERT (sgot != NULL && srela != NULL);
4645 rela.r_offset = (sgot->output_section->vma
4646 + sgot->output_offset
4647 + (h->got.offset &~ (bfd_vma) 1));
4649 /* If this is a -Bsymbolic link, and the symbol is defined
4650 locally, we just want to emit a RELATIVE reloc. Likewise if
4651 the symbol was forced to be local because of a version file.
4652 The entry in the global offset table will already have been
4653 initialized in the relocate_section function. */
4654 if (! bfd_link_pic (info)
4655 && h->type == STT_GNU_IFUNC
4660 /* We load the GOT entry with the PLT entry. */
4661 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4662 SPARC_ELF_PUT_WORD (htab, output_bfd,
4663 (plt->output_section->vma
4664 + plt->output_offset + h->plt.offset),
4665 htab->elf.sgot->contents
4666 + (h->got.offset & ~(bfd_vma) 1));
4669 else if (bfd_link_pic (info)
4670 && SYMBOL_REFERENCES_LOCAL (info, h))
4672 asection *sec = h->root.u.def.section;
4673 if (h->type == STT_GNU_IFUNC)
4674 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4676 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4677 rela.r_addend = (h->root.u.def.value
4678 + sec->output_section->vma
4679 + sec->output_offset);
4683 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4687 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4688 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4689 sparc_elf_append_rela (output_bfd, srela, &rela);
4695 Elf_Internal_Rela rela;
4697 /* This symbols needs a copy reloc. Set it up. */
4698 BFD_ASSERT (h->dynindx != -1);
4700 rela.r_offset = (h->root.u.def.value
4701 + h->root.u.def.section->output_section->vma
4702 + h->root.u.def.section->output_offset);
4703 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4705 if (h->root.u.def.section == htab->elf.sdynrelro)
4706 s = htab->elf.sreldynrelro;
4708 s = htab->elf.srelbss;
4709 sparc_elf_append_rela (output_bfd, s, &rela);
4712 /* Mark some specially defined symbols as absolute. On VxWorks,
4713 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4714 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4716 && (h == htab->elf.hdynamic
4717 || (!htab->is_vxworks
4718 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4719 sym->st_shndx = SHN_ABS;
4724 /* Finish up the dynamic sections. */
4727 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4728 bfd *dynobj, asection *sdyn,
4729 asection *splt ATTRIBUTE_UNUSED)
4731 struct _bfd_sparc_elf_link_hash_table *htab;
4732 const struct elf_backend_data *bed;
4733 bfd_byte *dyncon, *dynconend;
4735 int stt_regidx = -1;
4736 bfd_boolean abi_64_p;
4738 htab = _bfd_sparc_elf_hash_table (info);
4739 BFD_ASSERT (htab != NULL);
4740 bed = get_elf_backend_data (output_bfd);
4741 dynsize = bed->s->sizeof_dyn;
4742 dynconend = sdyn->contents + sdyn->size;
4743 abi_64_p = ABI_64_P (output_bfd);
4744 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4746 Elf_Internal_Dyn dyn;
4749 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4751 if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4753 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4754 not to the start of the PLT. */
4755 if (htab->elf.sgotplt)
4757 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4758 + htab->elf.sgotplt->output_offset);
4759 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4762 else if (htab->is_vxworks
4763 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4764 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4765 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4767 if (stt_regidx == -1)
4770 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4771 if (stt_regidx == -1)
4774 dyn.d_un.d_val = stt_regidx++;
4775 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4788 s = htab->elf.srelplt;
4792 s = htab->elf.srelplt;
4804 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4806 dyn.d_un.d_val = s->size;
4808 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4814 /* Install the first PLT entry in a VxWorks executable and make sure that
4815 .rela.plt.unloaded relocations have the correct symbol indexes. */
4818 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4820 struct _bfd_sparc_elf_link_hash_table *htab;
4821 Elf_Internal_Rela rela;
4825 htab = _bfd_sparc_elf_hash_table (info);
4826 BFD_ASSERT (htab != NULL);
4828 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4829 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4830 + htab->elf.hgot->root.u.def.section->output_offset
4831 + htab->elf.hgot->root.u.def.value);
4833 /* Install the initial PLT entry. */
4834 bfd_put_32 (output_bfd,
4835 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4836 htab->elf.splt->contents);
4837 bfd_put_32 (output_bfd,
4838 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4839 htab->elf.splt->contents + 4);
4840 bfd_put_32 (output_bfd,
4841 sparc_vxworks_exec_plt0_entry[2],
4842 htab->elf.splt->contents + 8);
4843 bfd_put_32 (output_bfd,
4844 sparc_vxworks_exec_plt0_entry[3],
4845 htab->elf.splt->contents + 12);
4846 bfd_put_32 (output_bfd,
4847 sparc_vxworks_exec_plt0_entry[4],
4848 htab->elf.splt->contents + 16);
4850 loc = htab->srelplt2->contents;
4852 /* Add an unloaded relocation for the initial entry's "sethi". */
4853 rela.r_offset = (htab->elf.splt->output_section->vma
4854 + htab->elf.splt->output_offset);
4855 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4857 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4858 loc += sizeof (Elf32_External_Rela);
4860 /* Likewise the following "or". */
4862 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4863 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4864 loc += sizeof (Elf32_External_Rela);
4866 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4867 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4868 in which symbols were output. */
4869 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4871 Elf_Internal_Rela rel;
4873 /* The entry's initial "sethi" (against _G_O_T_). */
4874 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4875 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4876 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4877 loc += sizeof (Elf32_External_Rela);
4879 /* The following "or" (also against _G_O_T_). */
4880 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4881 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4882 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4883 loc += sizeof (Elf32_External_Rela);
4885 /* The .got.plt entry (against _P_L_T_). */
4886 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4887 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4888 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4889 loc += sizeof (Elf32_External_Rela);
4893 /* Install the first PLT entry in a VxWorks shared object. */
4896 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4898 struct _bfd_sparc_elf_link_hash_table *htab;
4901 htab = _bfd_sparc_elf_hash_table (info);
4902 BFD_ASSERT (htab != NULL);
4904 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4905 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4906 htab->elf.splt->contents + i * 4);
4909 /* Finish up local dynamic symbol handling. We set the contents of
4910 various dynamic sections here. */
4913 finish_local_dynamic_symbol (void **slot, void *inf)
4915 struct elf_link_hash_entry *h
4916 = (struct elf_link_hash_entry *) *slot;
4917 struct bfd_link_info *info
4918 = (struct bfd_link_info *) inf;
4920 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4924 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4925 here since undefined weak symbol may not be dynamic and may not be
4926 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4929 pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
4932 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
4933 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4935 if (h->root.type != bfd_link_hash_undefweak
4936 || h->dynindx != -1)
4939 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4944 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4948 struct _bfd_sparc_elf_link_hash_table *htab;
4950 htab = _bfd_sparc_elf_hash_table (info);
4951 BFD_ASSERT (htab != NULL);
4952 dynobj = htab->elf.dynobj;
4954 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4956 if (elf_hash_table (info)->dynamic_sections_created)
4960 splt = htab->elf.splt;
4961 BFD_ASSERT (splt != NULL && sdyn != NULL);
4963 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4966 /* Initialize the contents of the .plt section. */
4969 if (htab->is_vxworks)
4971 if (bfd_link_pic (info))
4972 sparc_vxworks_finish_shared_plt (output_bfd, info);
4974 sparc_vxworks_finish_exec_plt (output_bfd, info);
4978 memset (splt->contents, 0, htab->plt_header_size);
4979 if (!ABI_64_P (output_bfd))
4980 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4981 splt->contents + splt->size - 4);
4985 if (elf_section_data (splt->output_section) != NULL)
4986 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4987 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4988 ? 0 : htab->plt_entry_size);
4991 /* Set the first entry in the global offset table to the address of
4992 the dynamic section. */
4993 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4995 bfd_vma val = (sdyn ?
4996 sdyn->output_section->vma + sdyn->output_offset :
4999 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
5003 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
5004 SPARC_ELF_WORD_BYTES (htab);
5006 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
5007 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
5009 /* Fill PLT entries for undefined weak symbols in PIE. */
5010 if (bfd_link_pie (info))
5011 bfd_hash_traverse (&info->hash->table,
5012 pie_finish_undefweak_symbol,
5018 /* Set the right machine number for a SPARC ELF file. */
5021 _bfd_sparc_elf_object_p (bfd *abfd)
5023 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
5024 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
5025 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
5027 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
5028 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
5029 | ELF_SPARC_HWCAP_VIS3
5030 | ELF_SPARC_HWCAP_HPC);
5031 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
5032 | ELF_SPARC_HWCAP_DES
5033 | ELF_SPARC_HWCAP_KASUMI
5034 | ELF_SPARC_HWCAP_CAMELLIA
5035 | ELF_SPARC_HWCAP_MD5
5036 | ELF_SPARC_HWCAP_SHA1
5037 | ELF_SPARC_HWCAP_SHA256
5038 | ELF_SPARC_HWCAP_SHA512
5039 | ELF_SPARC_HWCAP_MPMUL
5040 | ELF_SPARC_HWCAP_MONT
5041 | ELF_SPARC_HWCAP_CRC32C
5042 | ELF_SPARC_HWCAP_CBCOND
5043 | ELF_SPARC_HWCAP_PAUSE);
5044 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
5045 | ELF_SPARC_HWCAP_IMA);
5046 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
5047 | ELF_SPARC_HWCAP2_MWAIT
5048 | ELF_SPARC_HWCAP2_XMPMUL
5049 | ELF_SPARC_HWCAP2_XMONT);
5050 unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
5051 | ELF_SPARC_HWCAP2_ONADDSUB
5052 | ELF_SPARC_HWCAP2_ONMUL
5053 | ELF_SPARC_HWCAP2_ONDIV
5054 | ELF_SPARC_HWCAP2_DICTUNP
5055 | ELF_SPARC_HWCAP2_FPCMPSHL
5056 | ELF_SPARC_HWCAP2_RLE
5057 | ELF_SPARC_HWCAP2_SHA3);
5059 if (ABI_64_P (abfd))
5061 unsigned long mach = bfd_mach_sparc_v9;
5063 if (hwcaps2->i & m8_hwcaps2_mask)
5064 mach = bfd_mach_sparc_v9m8;
5065 else if (hwcaps2->i & v9m_hwcaps2_mask)
5066 mach = bfd_mach_sparc_v9m;
5067 else if (hwcaps->i & v9v_hwcaps_mask)
5068 mach = bfd_mach_sparc_v9v;
5069 else if (hwcaps->i & v9e_hwcaps_mask)
5070 mach = bfd_mach_sparc_v9e;
5071 else if (hwcaps->i & v9d_hwcaps_mask)
5072 mach = bfd_mach_sparc_v9d;
5073 else if (hwcaps->i & v9c_hwcaps_mask)
5074 mach = bfd_mach_sparc_v9c;
5075 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
5076 mach = bfd_mach_sparc_v9b;
5077 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
5078 mach = bfd_mach_sparc_v9a;
5079 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
5083 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
5085 if (hwcaps2->i & m8_hwcaps2_mask)
5086 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5087 bfd_mach_sparc_v8plusm8);
5088 else if (hwcaps2->i & v9m_hwcaps2_mask)
5089 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5090 bfd_mach_sparc_v8plusm);
5091 else if (hwcaps->i & v9v_hwcaps_mask)
5092 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5093 bfd_mach_sparc_v8plusv);
5094 else if (hwcaps->i & v9e_hwcaps_mask)
5095 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5096 bfd_mach_sparc_v8pluse);
5097 else if (hwcaps->i & v9d_hwcaps_mask)
5098 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5099 bfd_mach_sparc_v8plusd);
5100 else if (hwcaps->i & v9c_hwcaps_mask)
5101 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5102 bfd_mach_sparc_v8plusc);
5103 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
5104 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5105 bfd_mach_sparc_v8plusb);
5106 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
5107 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5108 bfd_mach_sparc_v8plusa);
5109 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
5110 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5111 bfd_mach_sparc_v8plus);
5115 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
5116 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
5117 bfd_mach_sparc_sparclite_le);
5119 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
5123 /* Return address for Ith PLT stub in section PLT, for relocation REL
5124 or (bfd_vma) -1 if it should not be included. */
5127 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
5129 if (ABI_64_P (plt->owner))
5133 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
5134 if (i < PLT64_LARGE_THRESHOLD)
5135 return plt->vma + i * PLT64_ENTRY_SIZE;
5137 j = (i - PLT64_LARGE_THRESHOLD) % 160;
5139 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
5142 return rel->address;
5145 /* Merge backend specific data from an object file to the output
5146 object file when linking. */
5149 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
5151 bfd *obfd = info->output_bfd;
5152 obj_attribute *in_attr, *in_attrs;
5153 obj_attribute *out_attr, *out_attrs;
5155 if (!elf_known_obj_attributes_proc (obfd)[0].i)
5157 /* This is the first object. Copy the attributes. */
5158 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5160 /* Use the Tag_null value to indicate the attributes have been
5162 elf_known_obj_attributes_proc (obfd)[0].i = 1;
5167 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
5168 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
5170 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
5171 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
5173 out_attr->i |= in_attr->i;
5176 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
5177 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
5179 out_attr->i |= in_attr->i;
5182 /* Merge Tag_compatibility attributes and any common GNU ones. */
5183 _bfd_elf_merge_object_attributes (ibfd, info);