1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2018 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
55 void * data, asection *input_section, bfd *output_bfd,
56 bfd_vma *prelocation, bfd_vma *pinsn)
59 reloc_howto_type *howto = reloc_entry->howto;
61 if (output_bfd != (bfd *) NULL
62 && (symbol->flags & BSF_SECTION_SYM) == 0
63 && (! howto->partial_inplace
64 || reloc_entry->addend == 0))
66 reloc_entry->address += input_section->output_offset;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd != NULL)
72 return bfd_reloc_continue;
74 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
75 return bfd_reloc_outofrange;
77 relocation = (symbol->value
78 + symbol->section->output_section->vma
79 + symbol->section->output_offset);
80 relocation += reloc_entry->addend;
81 if (howto->pc_relative)
83 relocation -= (input_section->output_section->vma
84 + input_section->output_offset);
85 relocation -= reloc_entry->address;
88 *prelocation = relocation;
89 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
90 return bfd_reloc_other;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
97 arelent *reloc_entry ATTRIBUTE_UNUSED,
98 asymbol *symbol ATTRIBUTE_UNUSED,
99 void * data ATTRIBUTE_UNUSED,
100 asection *input_section ATTRIBUTE_UNUSED,
101 bfd *output_bfd ATTRIBUTE_UNUSED,
102 char **error_message ATTRIBUTE_UNUSED)
104 return bfd_reloc_notsupported;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
111 void * data, asection *input_section, bfd *output_bfd,
112 char **error_message ATTRIBUTE_UNUSED)
116 bfd_reloc_status_type status;
118 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
119 input_section, output_bfd, &relocation, &insn);
120 if (status != bfd_reloc_other)
123 insn &= ~ (bfd_vma) 0x303fff;
124 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
125 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
127 if ((bfd_signed_vma) relocation < - 0x40000
128 || (bfd_signed_vma) relocation > 0x3ffff)
129 return bfd_reloc_overflow;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
138 void * data, asection *input_section, bfd *output_bfd,
139 char **error_message ATTRIBUTE_UNUSED)
143 bfd_reloc_status_type status;
145 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
146 input_section, output_bfd, &relocation, &insn);
147 if (status != bfd_reloc_other)
150 insn &= ~ (bfd_vma) 0x181fe0;
151 insn |= (((relocation >> 2) & 0x300) << 11)
152 | (((relocation >> 2) & 0xff) << 5);
153 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
155 if ((bfd_signed_vma) relocation < - 0x1000
156 || (bfd_signed_vma) relocation > 0xfff)
157 return bfd_reloc_overflow;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
166 void * data, asection *input_section, bfd *output_bfd,
167 char **error_message ATTRIBUTE_UNUSED)
171 bfd_reloc_status_type status;
173 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
174 input_section, output_bfd, &relocation, &insn);
175 if (status != bfd_reloc_other)
178 relocation ^= MINUS_ONE;
179 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
180 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
182 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
183 return bfd_reloc_overflow;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
192 void * data, asection *input_section, bfd *output_bfd,
193 char **error_message ATTRIBUTE_UNUSED)
197 bfd_reloc_status_type status;
199 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
200 input_section, output_bfd, &relocation, &insn);
201 if (status != bfd_reloc_other)
204 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
205 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
210 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
212 HOWTO(R_SPARC_NONE, 0,3, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
213 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
214 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
215 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
216 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
217 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
218 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
219 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
220 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
221 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
222 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
223 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
224 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
225 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
226 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
227 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
228 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
229 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
230 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
231 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
232 HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
233 HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
234 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
235 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
236 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
237 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
238 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
239 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
240 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
241 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
242 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
243 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
244 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
245 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
246 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
247 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
248 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
249 HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE),
250 HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE),
251 HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE),
252 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
253 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
254 HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE),
255 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
256 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
257 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
258 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
259 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
260 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
261 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
262 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
263 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
264 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
265 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
266 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
267 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
268 HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
269 HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
270 HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
271 HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
272 HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
273 HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
274 HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
275 HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
276 HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
277 HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
278 HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
279 HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
280 HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
281 HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
282 HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
283 HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
284 HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
285 HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
286 HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
287 HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
288 HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
289 HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
290 HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
291 HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE),
292 HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
293 HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
296 HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
297 HOWTO(R_SPARC_H34,12,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,"R_SPARC_H34",FALSE,0,0x003fffff,FALSE),
298 HOWTO(R_SPARC_SIZE32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE32",FALSE,0,0xffffffff,TRUE),
299 HOWTO(R_SPARC_SIZE64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE64",FALSE,0,MINUS_ONE, TRUE),
300 HOWTO(R_SPARC_WDISP10,2,2,10,TRUE, 0,complain_overflow_signed,sparc_elf_wdisp10_reloc,"R_SPARC_WDISP10",FALSE,0,0x00000000,TRUE),
302 static reloc_howto_type sparc_jmp_irel_howto =
303 HOWTO(R_SPARC_JMP_IREL, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
304 static reloc_howto_type sparc_irelative_howto =
305 HOWTO(R_SPARC_IRELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
306 static reloc_howto_type sparc_vtinherit_howto =
307 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
308 static reloc_howto_type sparc_vtentry_howto =
309 HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE);
310 static reloc_howto_type sparc_rev32_howto =
311 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
314 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd,
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 /* xgettext:c-format */
589 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd, (int) code);
590 bfd_set_error (bfd_error_bad_value);
595 _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
600 for (i = 0; i < ARRAY_SIZE (_bfd_sparc_elf_howto_table); i++)
601 if (_bfd_sparc_elf_howto_table[i].name != NULL
602 && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
603 return &_bfd_sparc_elf_howto_table[i];
605 if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
606 return &sparc_vtinherit_howto;
607 if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
608 return &sparc_vtentry_howto;
609 if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
610 return &sparc_rev32_howto;
616 _bfd_sparc_elf_info_to_howto_ptr (bfd *abfd ATTRIBUTE_UNUSED,
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 (_("%pB: unsupported relocation type %#x"),
641 bfd_set_error (bfd_error_bad_value);
644 return &_bfd_sparc_elf_howto_table[r_type];
648 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
649 so just take advantage of that. */
650 #define SPARC_ELF_R_TYPE(r_info) \
654 _bfd_sparc_elf_info_to_howto (bfd *abfd, arelent *cache_ptr,
655 Elf_Internal_Rela *dst)
657 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
659 if ((cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, r_type)) == NULL)
661 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
663 bfd_set_error (bfd_error_bad_value);
670 /* The nop opcode we use. */
671 #define SPARC_NOP 0x01000000
673 #define SPARC_INSN_BYTES 4
675 /* Is an undefined weak symbol resolved to 0 ?
676 Reference to an undefined weak symbol is resolved to 0 when
677 building an executable if it isn't dynamic and
678 1. Has non-GOT/non-PLT relocations in text section.
680 2. Has no GOT/PLT relocation. */
681 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
682 ((EH)->elf.root.type == bfd_link_hash_undefweak \
683 && bfd_link_executable (INFO) \
684 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
685 || !(INFO)->dynamic_undefined_weak \
686 || (EH)->has_non_got_reloc \
687 || !(EH)->has_got_reloc))
689 /* SPARC ELF linker hash entry. */
691 struct _bfd_sparc_elf_link_hash_entry
693 struct elf_link_hash_entry elf;
695 /* Track dynamic relocs copied for this symbol. */
696 struct elf_dyn_relocs *dyn_relocs;
698 #define GOT_UNKNOWN 0
702 unsigned char tls_type;
704 /* Symbol has GOT or PLT relocations. */
705 unsigned int has_got_reloc : 1;
707 /* Symbol has old-style, non-relaxable GOT relocations. */
708 unsigned int has_old_style_got_reloc : 1;
710 /* Symbol has non-GOT/non-PLT relocations in text sections. */
711 unsigned int has_non_got_reloc : 1;
715 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
717 struct _bfd_sparc_elf_obj_tdata
719 struct elf_obj_tdata root;
721 /* tls_type for each local got entry. */
722 char *local_got_tls_type;
724 /* TRUE if TLS GD relocs has been seen for this object. */
725 bfd_boolean has_tlsgd;
728 #define _bfd_sparc_elf_tdata(abfd) \
729 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
731 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
732 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
734 #define is_sparc_elf(bfd) \
735 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
736 && elf_tdata (bfd) != NULL \
737 && elf_object_id (bfd) == SPARC_ELF_DATA)
740 _bfd_sparc_elf_mkobject (bfd *abfd)
742 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
747 sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
749 bfd_put_32 (abfd, val, ptr);
753 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
755 bfd_put_64 (abfd, val, ptr);
759 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
761 const struct elf_backend_data *bed;
764 bed = get_elf_backend_data (abfd);
765 BFD_ASSERT (s->reloc_count * bed->s->sizeof_rela < s->size);
766 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
767 bed->s->swap_reloca_out (abfd, rel, loc);
771 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
772 bfd_vma rel_index ATTRIBUTE_UNUSED,
773 bfd_vma type ATTRIBUTE_UNUSED)
775 return ELF64_R_INFO (rel_index,
777 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
782 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
783 bfd_vma rel_index, bfd_vma type)
785 return ELF32_R_INFO (rel_index, type);
789 sparc_elf_r_symndx_64 (bfd_vma r_info)
791 bfd_vma r_symndx = ELF32_R_SYM (r_info);
792 return (r_symndx >> 24);
796 sparc_elf_r_symndx_32 (bfd_vma r_info)
798 return ELF32_R_SYM (r_info);
803 #define PLT32_ENTRY_SIZE 12
804 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
806 /* The first four entries in a 32-bit procedure linkage table are reserved,
807 and the initial contents are unimportant (we zero them out).
808 Subsequent entries look like this. See the SVR4 ABI SPARC
809 supplement to see how this works. */
811 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
812 #define PLT32_ENTRY_WORD0 0x03000000
813 /* b,a .plt0. We fill in the offset later. */
814 #define PLT32_ENTRY_WORD1 0x30800000
816 #define PLT32_ENTRY_WORD2 SPARC_NOP
819 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
820 bfd_vma max ATTRIBUTE_UNUSED,
823 bfd_put_32 (output_bfd,
824 PLT32_ENTRY_WORD0 + offset,
825 splt->contents + offset);
826 bfd_put_32 (output_bfd,
828 + (((- (offset + 4)) >> 2) & 0x3fffff)),
829 splt->contents + offset + 4);
830 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
831 splt->contents + offset + 8);
835 return offset / PLT32_ENTRY_SIZE - 4;
838 /* Both the headers and the entries are icache aligned. */
839 #define PLT64_ENTRY_SIZE 32
840 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
841 #define PLT64_LARGE_THRESHOLD 32768
844 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
845 bfd_vma max, bfd_vma *r_offset)
847 unsigned char *entry = splt->contents + offset;
848 const unsigned int nop = SPARC_NOP;
851 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
853 unsigned int sethi, ba;
857 plt_index = (offset / PLT64_ENTRY_SIZE);
859 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
861 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
863 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
864 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
865 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
866 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
867 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
868 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
869 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
870 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
876 int block, last_block, ofs, last_ofs, chunks_this_block;
877 const int insn_chunk_size = (6 * 4);
878 const int ptr_chunk_size = (1 * 8);
879 const int entries_per_block = 160;
880 const int block_size = entries_per_block * (insn_chunk_size
883 /* Entries 32768 and higher are grouped into blocks of 160.
884 The blocks are further subdivided into 160 sequences of
885 6 instructions and 160 pointers. If a block does not require
886 the full 160 entries, let's say it requires N, then there
887 will be N sequences of 6 instructions and N pointers. */
889 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
890 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
892 block = offset / block_size;
893 last_block = max / block_size;
894 if (block != last_block)
896 chunks_this_block = 160;
900 last_ofs = max % block_size;
901 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
904 ofs = offset % block_size;
906 plt_index = (PLT64_LARGE_THRESHOLD +
908 (ofs / insn_chunk_size));
911 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
912 + (block * block_size)
913 + (chunks_this_block * insn_chunk_size)
914 + (ofs / insn_chunk_size) * ptr_chunk_size;
916 *r_offset = (bfd_vma) (ptr - splt->contents);
918 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
926 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
927 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
928 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
929 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
930 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
931 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
933 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
936 return plt_index - 4;
939 /* The format of the first PLT entry in a VxWorks executable. */
940 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
942 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
943 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
944 0xc4008000, /* ld [ %g2 ], %g2 */
945 0x81c08000, /* jmp %g2 */
949 /* The format of subsequent PLT entries. */
950 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
952 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
953 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
954 0xc2004000, /* ld [ %g1 ], %g1 */
955 0x81c04000, /* jmp %g1 */
956 0x01000000, /* nop */
957 0x03000000, /* sethi %hi(f@pltindex), %g1 */
958 0x10800000, /* b _PLT_resolve */
959 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
962 /* The format of the first PLT entry in a VxWorks shared object. */
963 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
965 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
966 0x81c08000, /* jmp %g2 */
970 /* The format of subsequent PLT entries. */
971 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
973 0x03000000, /* sethi %hi(f@got), %g1 */
974 0x82106000, /* or %g1, %lo(f@got), %g1 */
975 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
976 0x81c04000, /* jmp %g1 */
977 0x01000000, /* nop */
978 0x03000000, /* sethi %hi(f@pltindex), %g1 */
979 0x10800000, /* b _PLT_resolve */
980 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
983 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
984 htab->put_word(bfd, val, ptr)
986 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
987 htab->r_info(in_rel, index, type)
989 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
990 htab->r_symndx(r_info)
992 #define SPARC_ELF_WORD_BYTES(htab) \
995 #define SPARC_ELF_RELA_BYTES(htab) \
998 #define SPARC_ELF_DTPOFF_RELOC(htab) \
1001 #define SPARC_ELF_DTPMOD_RELOC(htab) \
1004 #define SPARC_ELF_TPOFF_RELOC(htab) \
1007 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1008 htab->build_plt_entry (obfd, splt, off, max, r_off)
1010 /* Create an entry in an SPARC ELF linker hash table. */
1012 static struct bfd_hash_entry *
1013 link_hash_newfunc (struct bfd_hash_entry *entry,
1014 struct bfd_hash_table *table, const char *string)
1016 /* Allocate the structure if it has not already been allocated by a
1020 entry = bfd_hash_allocate (table,
1021 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1026 /* Call the allocation method of the superclass. */
1027 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1030 struct _bfd_sparc_elf_link_hash_entry *eh;
1032 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1033 eh->dyn_relocs = NULL;
1034 eh->tls_type = GOT_UNKNOWN;
1035 eh->has_got_reloc = 0;
1036 eh->has_non_got_reloc = 0;
1042 /* The name of the dynamic interpreter. This is put in the .interp
1045 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1046 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1048 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1049 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1050 as global symbol. We reuse indx and dynstr_index for local symbol
1051 hash since they aren't used by global symbols in this backend. */
1054 elf_sparc_local_htab_hash (const void *ptr)
1056 struct elf_link_hash_entry *h
1057 = (struct elf_link_hash_entry *) ptr;
1058 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1061 /* Compare local hash entries. */
1064 elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1066 struct elf_link_hash_entry *h1
1067 = (struct elf_link_hash_entry *) ptr1;
1068 struct elf_link_hash_entry *h2
1069 = (struct elf_link_hash_entry *) ptr2;
1071 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1074 /* Find and/or create a hash entry for local symbol. */
1076 static struct elf_link_hash_entry *
1077 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1078 bfd *abfd, const Elf_Internal_Rela *rel,
1081 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1082 asection *sec = abfd->sections;
1083 unsigned long r_symndx;
1087 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1088 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1090 e.elf.indx = sec->id;
1091 e.elf.dynstr_index = r_symndx;
1092 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1093 create ? INSERT : NO_INSERT);
1100 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1104 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1105 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1106 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1109 memset (ret, 0, sizeof (*ret));
1110 ret->elf.indx = sec->id;
1111 ret->elf.dynstr_index = r_symndx;
1112 ret->elf.dynindx = -1;
1113 ret->elf.plt.offset = (bfd_vma) -1;
1114 ret->elf.got.offset = (bfd_vma) -1;
1120 /* Destroy a SPARC ELF linker hash table. */
1123 _bfd_sparc_elf_link_hash_table_free (bfd *obfd)
1125 struct _bfd_sparc_elf_link_hash_table *htab
1126 = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
1128 if (htab->loc_hash_table)
1129 htab_delete (htab->loc_hash_table);
1130 if (htab->loc_hash_memory)
1131 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1132 _bfd_elf_link_hash_table_free (obfd);
1135 /* Create a SPARC ELF linker hash table. */
1137 struct bfd_link_hash_table *
1138 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1140 struct _bfd_sparc_elf_link_hash_table *ret;
1141 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1143 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1147 if (ABI_64_P (abfd))
1149 ret->put_word = sparc_put_word_64;
1150 ret->r_info = sparc_elf_r_info_64;
1151 ret->r_symndx = sparc_elf_r_symndx_64;
1152 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1153 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1154 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1155 ret->word_align_power = 3;
1156 ret->align_power_max = 4;
1157 ret->bytes_per_word = 8;
1158 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1159 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1160 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1162 ret->build_plt_entry = sparc64_plt_entry_build;
1163 ret->plt_header_size = PLT64_HEADER_SIZE;
1164 ret->plt_entry_size = PLT64_ENTRY_SIZE;
1168 ret->put_word = sparc_put_word_32;
1169 ret->r_info = sparc_elf_r_info_32;
1170 ret->r_symndx = sparc_elf_r_symndx_32;
1171 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1172 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1173 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1174 ret->word_align_power = 2;
1175 ret->align_power_max = 3;
1176 ret->bytes_per_word = 4;
1177 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1178 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1179 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1181 ret->build_plt_entry = sparc32_plt_entry_build;
1182 ret->plt_header_size = PLT32_HEADER_SIZE;
1183 ret->plt_entry_size = PLT32_ENTRY_SIZE;
1186 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1187 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1194 ret->loc_hash_table = htab_try_create (1024,
1195 elf_sparc_local_htab_hash,
1196 elf_sparc_local_htab_eq,
1198 ret->loc_hash_memory = objalloc_create ();
1199 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1201 _bfd_sparc_elf_link_hash_table_free (abfd);
1204 ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
1206 return &ret->elf.root;
1209 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1210 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1214 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1215 struct bfd_link_info *info)
1217 struct _bfd_sparc_elf_link_hash_table *htab;
1219 htab = _bfd_sparc_elf_hash_table (info);
1220 BFD_ASSERT (htab != NULL);
1222 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1225 if (htab->is_vxworks)
1227 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1229 if (bfd_link_pic (info))
1231 htab->plt_header_size
1232 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1233 htab->plt_entry_size
1234 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1238 htab->plt_header_size
1239 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1240 htab->plt_entry_size
1241 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1245 if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
1246 || (!bfd_link_pic (info) && !htab->elf.srelbss))
1253 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1255 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1256 struct elf_link_hash_table *htab = elf_hash_table (info);
1257 flagword flags, pltflags;
1260 if (htab->irelifunc != NULL || htab->iplt != NULL)
1263 flags = bed->dynamic_sec_flags;
1264 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1266 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1268 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1272 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1273 flags | SEC_READONLY);
1275 || ! bfd_set_section_alignment (abfd, s,
1276 bed->s->log_file_align))
1283 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1286 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1287 struct elf_link_hash_entry *dir,
1288 struct elf_link_hash_entry *ind)
1290 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1292 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1293 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1295 if (eind->dyn_relocs != NULL)
1297 if (edir->dyn_relocs != NULL)
1299 struct elf_dyn_relocs **pp;
1300 struct elf_dyn_relocs *p;
1302 /* Add reloc counts against the indirect sym to the direct sym
1303 list. Merge any entries against the same section. */
1304 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1306 struct elf_dyn_relocs *q;
1308 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1309 if (q->sec == p->sec)
1311 q->pc_count += p->pc_count;
1312 q->count += p->count;
1319 *pp = edir->dyn_relocs;
1322 edir->dyn_relocs = eind->dyn_relocs;
1323 eind->dyn_relocs = NULL;
1326 if (ind->root.type == bfd_link_hash_indirect && dir->got.refcount <= 0)
1328 edir->tls_type = eind->tls_type;
1329 eind->tls_type = GOT_UNKNOWN;
1332 /* Copy has_got_reloc and has_non_got_reloc. */
1333 edir->has_got_reloc |= eind->has_got_reloc;
1334 edir->has_non_got_reloc |= eind->has_non_got_reloc;
1336 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1340 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1341 int r_type, int is_local)
1343 if (! ABI_64_P (abfd)
1344 && r_type == R_SPARC_TLS_GD_HI22
1345 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1346 return R_SPARC_REV32;
1348 if (!bfd_link_executable (info))
1353 case R_SPARC_TLS_GD_HI22:
1354 return is_local ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_IE_HI22;
1355 case R_SPARC_TLS_GD_LO10:
1356 return is_local ? R_SPARC_TLS_LE_LOX10 : R_SPARC_TLS_IE_LO10;
1357 case R_SPARC_TLS_LDM_HI22:
1358 return R_SPARC_TLS_LE_HIX22;
1359 case R_SPARC_TLS_LDM_LO10:
1360 return R_SPARC_TLS_LE_LOX10;
1361 case R_SPARC_TLS_IE_HI22:
1362 return is_local ? R_SPARC_TLS_LE_HIX22 : r_type;
1363 case R_SPARC_TLS_IE_LO10:
1364 return is_local ? R_SPARC_TLS_LE_LOX10 : r_type;
1370 /* Look through the relocs for a section during the first phase, and
1371 allocate space in the global offset table or procedure linkage
1375 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1376 asection *sec, const Elf_Internal_Rela *relocs)
1378 struct _bfd_sparc_elf_link_hash_table *htab;
1379 Elf_Internal_Shdr *symtab_hdr;
1380 struct elf_link_hash_entry **sym_hashes;
1381 const Elf_Internal_Rela *rel;
1382 const Elf_Internal_Rela *rel_end;
1385 bfd_boolean checked_tlsgd = FALSE;
1387 if (bfd_link_relocatable (info))
1390 htab = _bfd_sparc_elf_hash_table (info);
1391 BFD_ASSERT (htab != NULL);
1392 symtab_hdr = &elf_symtab_hdr (abfd);
1393 sym_hashes = elf_sym_hashes (abfd);
1397 if (ABI_64_P (abfd))
1398 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1400 num_relocs = sec->reloc_count;
1402 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1404 if (htab->elf.dynobj == NULL)
1405 htab->elf.dynobj = abfd;
1406 if (!create_ifunc_sections (htab->elf.dynobj, info))
1409 rel_end = relocs + num_relocs;
1410 for (rel = relocs; rel < rel_end; rel++)
1412 unsigned int r_type;
1413 unsigned int r_symndx;
1414 struct elf_link_hash_entry *h;
1415 struct _bfd_sparc_elf_link_hash_entry *eh;
1416 Elf_Internal_Sym *isym;
1418 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1419 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1421 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1423 /* xgettext:c-format */
1424 _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd, r_symndx);
1429 if (r_symndx < symtab_hdr->sh_info)
1431 /* A local symbol. */
1432 isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd, r_symndx);
1436 /* Check relocation against local STT_GNU_IFUNC symbol. */
1437 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1439 h = elf_sparc_get_local_sym_hash (htab, abfd, rel, TRUE);
1443 /* Fake a STT_GNU_IFUNC symbol. */
1444 h->type = STT_GNU_IFUNC;
1447 h->forced_local = 1;
1448 h->root.type = bfd_link_hash_defined;
1455 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1456 while (h->root.type == bfd_link_hash_indirect
1457 || h->root.type == bfd_link_hash_warning)
1458 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1461 if (h && h->type == STT_GNU_IFUNC && h->def_regular)
1464 h->plt.refcount += 1;
1467 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1468 with R_SPARC_TLS_GD_HI22. */
1469 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1472 case R_SPARC_TLS_GD_HI22:
1474 const Elf_Internal_Rela *relt;
1476 for (relt = rel + 1; relt < rel_end; relt++)
1477 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1478 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1479 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1481 checked_tlsgd = TRUE;
1482 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1485 case R_SPARC_TLS_GD_LO10:
1486 case R_SPARC_TLS_GD_ADD:
1487 case R_SPARC_TLS_GD_CALL:
1488 checked_tlsgd = TRUE;
1489 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1493 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1494 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1498 case R_SPARC_TLS_LDM_HI22:
1499 case R_SPARC_TLS_LDM_LO10:
1500 htab->tls_ldm_got.refcount += 1;
1502 eh->has_got_reloc = 1;
1505 case R_SPARC_TLS_LE_HIX22:
1506 case R_SPARC_TLS_LE_LOX10:
1507 if (!bfd_link_executable (info))
1511 case R_SPARC_TLS_IE_HI22:
1512 case R_SPARC_TLS_IE_LO10:
1513 if (!bfd_link_executable (info))
1514 info->flags |= DF_STATIC_TLS;
1520 case R_SPARC_GOTDATA_HIX22:
1521 case R_SPARC_GOTDATA_LOX10:
1522 case R_SPARC_GOTDATA_OP_HIX22:
1523 case R_SPARC_GOTDATA_OP_LOX10:
1524 case R_SPARC_TLS_GD_HI22:
1525 case R_SPARC_TLS_GD_LO10:
1526 /* This symbol requires a global offset table entry. */
1528 int tls_type, old_tls_type;
1532 case R_SPARC_TLS_GD_HI22:
1533 case R_SPARC_TLS_GD_LO10:
1534 tls_type = GOT_TLS_GD;
1536 case R_SPARC_TLS_IE_HI22:
1537 case R_SPARC_TLS_IE_LO10:
1538 tls_type = GOT_TLS_IE;
1541 tls_type = GOT_NORMAL;
1547 h->got.refcount += 1;
1548 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1552 bfd_signed_vma *local_got_refcounts;
1554 /* This is a global offset table entry for a local symbol. */
1555 local_got_refcounts = elf_local_got_refcounts (abfd);
1556 if (local_got_refcounts == NULL)
1560 size = symtab_hdr->sh_info;
1561 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1562 local_got_refcounts = ((bfd_signed_vma *)
1563 bfd_zalloc (abfd, size));
1564 if (local_got_refcounts == NULL)
1566 elf_local_got_refcounts (abfd) = local_got_refcounts;
1567 _bfd_sparc_elf_local_got_tls_type (abfd)
1568 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1571 if (r_type != R_SPARC_GOTDATA_OP_HIX22
1572 && r_type != R_SPARC_GOTDATA_OP_LOX10)
1573 local_got_refcounts[r_symndx] += 1;
1576 = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1579 /* If a TLS symbol is accessed using IE at least once, there is no
1580 point in using the dynamic model for it. */
1581 if (old_tls_type != tls_type)
1583 if (old_tls_type == GOT_UNKNOWN)
1585 else if (old_tls_type == GOT_TLS_GD && tls_type == GOT_TLS_IE)
1587 else if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1588 tls_type = old_tls_type;
1592 /* xgettext:c-format */
1593 (_("%pB: `%s' accessed both as normal and thread local symbol"),
1594 abfd, h ? h->root.root.string : "<local>");
1599 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1601 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1606 && !_bfd_elf_create_got_section (htab->elf.dynobj, info))
1611 eh->has_got_reloc = 1;
1612 if (r_type == R_SPARC_GOT10
1613 || r_type == R_SPARC_GOT13
1614 || r_type == R_SPARC_GOT22)
1615 eh->has_old_style_got_reloc = 1;
1619 case R_SPARC_TLS_GD_CALL:
1620 case R_SPARC_TLS_LDM_CALL:
1621 if (bfd_link_executable (info))
1624 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1625 h = (struct elf_link_hash_entry *)
1626 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
1628 BFD_ASSERT (h != NULL);
1631 case R_SPARC_WPLT30:
1634 case R_SPARC_HIPLT22:
1635 case R_SPARC_LOPLT10:
1636 case R_SPARC_PCPLT32:
1637 case R_SPARC_PCPLT22:
1638 case R_SPARC_PCPLT10:
1639 /* This symbol requires a procedure linkage table entry.
1640 We actually build the entry in adjust_dynamic_symbol,
1641 because this might be a case of linking PIC code without
1642 linking in any dynamic objects, in which case we don't
1643 need to generate a procedure linkage table after all. */
1647 if (! ABI_64_P (abfd))
1649 /* The Solaris native assembler will generate a WPLT30
1650 reloc for a local symbol if you assemble a call from
1651 one section to another when using -K pic. We treat
1653 if (r_type == R_SPARC_PLT32)
1657 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1658 else if (r_type == R_SPARC_WPLT30)
1661 /* It does not make sense to have a procedure linkage
1662 table entry for a local symbol. */
1663 bfd_set_error (bfd_error_bad_value);
1669 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
1672 h->plt.refcount += 1;
1674 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1675 eh->has_got_reloc = 1;
1680 case R_SPARC_PC_HH22:
1681 case R_SPARC_PC_HM10:
1682 case R_SPARC_PC_LM22:
1687 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1692 case R_SPARC_DISP16:
1693 case R_SPARC_DISP32:
1694 case R_SPARC_DISP64:
1695 case R_SPARC_WDISP30:
1696 case R_SPARC_WDISP22:
1697 case R_SPARC_WDISP19:
1698 case R_SPARC_WDISP16:
1699 case R_SPARC_WDISP10:
1729 if (eh != NULL && (sec->flags & SEC_CODE) != 0)
1730 eh->has_non_got_reloc = 1;
1733 if (h != NULL && !bfd_link_pic (info))
1735 /* We may need a .plt entry if the function this reloc
1736 refers to is in a shared lib. */
1737 h->plt.refcount += 1;
1740 /* If we are creating a shared library, and this is a reloc
1741 against a global symbol, or a non PC relative reloc
1742 against a local symbol, then we need to copy the reloc
1743 into the shared library. However, if we are linking with
1744 -Bsymbolic, we do not need to copy a reloc against a
1745 global symbol which is defined in an object we are
1746 including in the link (i.e., DEF_REGULAR is set). At
1747 this point we have not seen all the input files, so it is
1748 possible that DEF_REGULAR is not set now but will be set
1749 later (it is never cleared). In case of a weak definition,
1750 DEF_REGULAR may be cleared later by a strong definition in
1751 a shared library. We account for that possibility below by
1752 storing information in the relocs_copied field of the hash
1753 table entry. A similar situation occurs when creating
1754 shared libraries and symbol visibility changes render the
1757 If on the other hand, we are creating an executable, we
1758 may need to keep relocations for symbols satisfied by a
1759 dynamic library if we manage to avoid copy relocs for the
1761 if ((bfd_link_pic (info)
1762 && (sec->flags & SEC_ALLOC) != 0
1763 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1765 && (! SYMBOLIC_BIND (info, h)
1766 || h->root.type == bfd_link_hash_defweak
1767 || !h->def_regular))))
1768 || (!bfd_link_pic (info)
1769 && (sec->flags & SEC_ALLOC) != 0
1771 && (h->root.type == bfd_link_hash_defweak
1772 || !h->def_regular))
1773 || (!bfd_link_pic (info)
1775 && h->type == STT_GNU_IFUNC))
1777 struct elf_dyn_relocs *p;
1778 struct elf_dyn_relocs **head;
1780 /* When creating a shared object, we must copy these
1781 relocs into the output file. We create a reloc
1782 section in dynobj and make room for the reloc. */
1785 sreloc = _bfd_elf_make_dynamic_reloc_section
1786 (sec, htab->elf.dynobj, htab->word_align_power,
1787 abfd, /*rela?*/ TRUE);
1793 /* If this is a global symbol, we count the number of
1794 relocations we need for this symbol. */
1796 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1799 /* Track dynamic relocs needed for local syms too.
1800 We really need local syms available to do this
1805 BFD_ASSERT (isym != NULL);
1806 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1810 vpp = &elf_section_data (s)->local_dynrel;
1811 head = (struct elf_dyn_relocs **) vpp;
1815 if (p == NULL || p->sec != sec)
1817 bfd_size_type amt = sizeof *p;
1818 p = ((struct elf_dyn_relocs *)
1819 bfd_alloc (htab->elf.dynobj, amt));
1830 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1836 case R_SPARC_GNU_VTINHERIT:
1837 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1841 case R_SPARC_GNU_VTENTRY:
1842 BFD_ASSERT (h != NULL);
1844 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1848 case R_SPARC_REGISTER:
1849 /* Nothing to do. */
1861 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1862 struct bfd_link_info *info,
1863 Elf_Internal_Rela *rel,
1864 struct elf_link_hash_entry *h,
1865 Elf_Internal_Sym *sym)
1868 switch (SPARC_ELF_R_TYPE (rel->r_info))
1870 case R_SPARC_GNU_VTINHERIT:
1871 case R_SPARC_GNU_VTENTRY:
1875 if (!bfd_link_executable (info))
1877 switch (SPARC_ELF_R_TYPE (rel->r_info))
1879 case R_SPARC_TLS_GD_CALL:
1880 case R_SPARC_TLS_LDM_CALL:
1881 /* This reloc implicitly references __tls_get_addr. We know
1882 another reloc will reference the same symbol as the one
1883 on this reloc, so the real symbol and section will be
1884 gc marked when processing the other reloc. That lets
1885 us handle __tls_get_addr here. */
1886 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1887 FALSE, FALSE, TRUE);
1888 BFD_ASSERT (h != NULL);
1890 if (h->is_weakalias)
1891 weakdef (h)->mark = 1;
1896 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1899 static Elf_Internal_Rela *
1900 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1901 Elf_Internal_Rela *relend,
1904 while (rel < relend)
1906 if (rel->r_offset == offset)
1913 /* Remove undefined weak symbol from the dynamic symbol table if it
1914 is resolved to 0. */
1917 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
1918 struct elf_link_hash_entry *h)
1920 if (h->dynindx != -1
1921 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
1922 _bfd_sparc_elf_hash_entry (h)))
1925 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
1931 /* Find dynamic relocs for H that apply to read-only sections. */
1934 readonly_dynrelocs (struct elf_link_hash_entry *h)
1936 struct elf_dyn_relocs *p;
1938 for (p = _bfd_sparc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
1940 asection *s = p->sec->output_section;
1942 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1948 /* Adjust a symbol defined by a dynamic object and referenced by a
1949 regular object. The current definition is in some section of the
1950 dynamic object, but we're not including those sections. We have to
1951 change the definition to something the rest of the link can
1955 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1956 struct elf_link_hash_entry *h)
1958 struct _bfd_sparc_elf_link_hash_table *htab;
1961 htab = _bfd_sparc_elf_hash_table (info);
1962 BFD_ASSERT (htab != NULL);
1964 /* Make sure we know what is going on here. */
1965 BFD_ASSERT (htab->elf.dynobj != NULL
1967 || h->type == STT_GNU_IFUNC
1971 && !h->def_regular)));
1973 /* If this is a function, put it in the procedure linkage table. We
1974 will fill in the contents of the procedure linkage table later
1975 (although we could actually do it here). The STT_NOTYPE
1976 condition is a hack specifically for the Oracle libraries
1977 delivered for Solaris; for some inexplicable reason, they define
1978 some of their functions as STT_NOTYPE when they really should be
1980 if (h->type == STT_FUNC
1981 || h->type == STT_GNU_IFUNC
1983 || (h->type == STT_NOTYPE
1984 && (h->root.type == bfd_link_hash_defined
1985 || h->root.type == bfd_link_hash_defweak)
1986 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1988 if (h->plt.refcount <= 0
1989 || (h->type != STT_GNU_IFUNC
1990 && (SYMBOL_CALLS_LOCAL (info, h)
1991 || (h->root.type == bfd_link_hash_undefweak
1992 && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT))))
1994 /* This case can occur if we saw a WPLT30 reloc in an input
1995 file, but the symbol was never referred to by a dynamic
1996 object, or if all references were garbage collected. In
1997 such a case, we don't actually need to build a procedure
1998 linkage table, and we can just do a WDISP30 reloc instead. */
1999 h->plt.offset = (bfd_vma) -1;
2006 h->plt.offset = (bfd_vma) -1;
2008 /* If this is a weak symbol, and there is a real definition, the
2009 processor independent code will have arranged for us to see the
2010 real definition first, and we can just use the same value. */
2011 if (h->is_weakalias)
2013 struct elf_link_hash_entry *def = weakdef (h);
2014 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2015 h->root.u.def.section = def->root.u.def.section;
2016 h->root.u.def.value = def->root.u.def.value;
2020 /* This is a reference to a symbol defined by a dynamic object which
2021 is not a function. */
2023 /* If we are creating a shared library, we must presume that the
2024 only references to the symbol are via the global offset table.
2025 For such cases we need not do anything here; the relocations will
2026 be handled correctly by relocate_section. */
2027 if (bfd_link_pic (info))
2030 /* If there are no references to this symbol that do not use the
2031 GOT, we don't need to generate a copy reloc. */
2032 if (!h->non_got_ref)
2035 /* If -z nocopyreloc was given, we won't generate them either. */
2036 if (info->nocopyreloc)
2042 /* If we don't find any dynamic relocs in read-only sections, then
2043 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2044 if (!readonly_dynrelocs (h))
2050 /* We must allocate the symbol in our .dynbss section, which will
2051 become part of the .bss section of the executable. There will be
2052 an entry for this symbol in the .dynsym section. The dynamic
2053 object will contain position independent code, so all references
2054 from the dynamic object to this symbol will go through the global
2055 offset table. The dynamic linker will use the .dynsym entry to
2056 determine the address it must put in the global offset table, so
2057 both the dynamic object and the regular object will refer to the
2058 same memory location for the variable. */
2060 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2061 to copy the initial value out of the dynamic object and into the
2062 runtime process image. We need to remember the offset into the
2063 .rel.bss section we are going to use. */
2064 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2066 s = htab->elf.sdynrelro;
2067 srel = htab->elf.sreldynrelro;
2071 s = htab->elf.sdynbss;
2072 srel = htab->elf.srelbss;
2074 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2076 srel->size += SPARC_ELF_RELA_BYTES (htab);
2080 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2083 /* Allocate space in .plt, .got and associated reloc sections for
2087 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2089 struct bfd_link_info *info;
2090 struct _bfd_sparc_elf_link_hash_table *htab;
2091 struct _bfd_sparc_elf_link_hash_entry *eh;
2092 struct elf_dyn_relocs *p;
2093 bfd_boolean resolved_to_zero;
2095 if (h->root.type == bfd_link_hash_indirect)
2098 info = (struct bfd_link_info *) inf;
2099 htab = _bfd_sparc_elf_hash_table (info);
2100 BFD_ASSERT (htab != NULL);
2102 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2103 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
2105 if ((htab->elf.dynamic_sections_created
2106 && h->plt.refcount > 0)
2107 || (h->type == STT_GNU_IFUNC
2111 /* Undefined weak syms won't yet be marked as dynamic. */
2112 if (h->root.type == bfd_link_hash_undefweak
2113 && !resolved_to_zero
2115 && !h->forced_local)
2117 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2121 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2122 || (h->type == STT_GNU_IFUNC
2125 asection *s = htab->elf.splt;
2130 /* Allocate room for the header. */
2133 s->size = htab->plt_header_size;
2135 /* Allocate space for the .rela.plt.unloaded relocations. */
2136 if (htab->is_vxworks && !bfd_link_pic (info))
2137 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2140 /* The procedure linkage table size is bounded by the magnitude
2141 of the offset we can describe in the entry. */
2142 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2143 (((bfd_vma)1 << 31) << 1) : 0x400000))
2145 bfd_set_error (bfd_error_bad_value);
2149 if (SPARC_ELF_WORD_BYTES(htab) == 8
2150 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2152 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2155 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2157 h->plt.offset = (s->size - (off * 8));
2160 h->plt.offset = s->size;
2162 /* If this symbol is not defined in a regular file, and we are
2163 not generating a shared library, then set the symbol to this
2164 location in the .plt. This is required to make function
2165 pointers compare as equal between the normal executable and
2166 the shared library. */
2167 if (! bfd_link_pic (info)
2170 h->root.u.def.section = s;
2171 h->root.u.def.value = h->plt.offset;
2174 /* Make room for this entry. */
2175 s->size += htab->plt_entry_size;
2177 /* There should be no PLT relocations against resolved undefined
2178 weak symbols in the executable. */
2179 if (!resolved_to_zero)
2181 /* We also need to make an entry in the .rela.plt section. */
2182 if (s == htab->elf.splt)
2183 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2185 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2188 if (htab->is_vxworks)
2190 /* Allocate space for the .got.plt entry. */
2191 htab->elf.sgotplt->size += 4;
2193 /* ...and for the .rela.plt.unloaded relocations. */
2194 if (!bfd_link_pic (info))
2195 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2200 h->plt.offset = (bfd_vma) -1;
2206 h->plt.offset = (bfd_vma) -1;
2210 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2211 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2212 if (h->got.refcount > 0
2213 && bfd_link_executable (info)
2215 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2216 h->got.offset = (bfd_vma) -1;
2217 else if (h->got.refcount > 0)
2221 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2223 /* Undefined weak syms won't yet be marked as dynamic. */
2224 if (h->root.type == bfd_link_hash_undefweak
2225 && !resolved_to_zero
2227 && !h->forced_local)
2229 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2234 h->got.offset = s->size;
2235 s->size += SPARC_ELF_WORD_BYTES (htab);
2236 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2237 if (tls_type == GOT_TLS_GD)
2238 s->size += SPARC_ELF_WORD_BYTES (htab);
2239 dyn = htab->elf.dynamic_sections_created;
2240 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2241 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
2242 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2243 || tls_type == GOT_TLS_IE
2244 || h->type == STT_GNU_IFUNC)
2245 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2246 else if (tls_type == GOT_TLS_GD)
2247 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2248 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)
2249 /* Even if the symbol isn't dynamic, we may generate a
2250 reloc for the dynamic linker in PIC mode. */
2251 || (h->dynindx == -1
2253 && h->root.type != bfd_link_hash_undefweak
2254 && bfd_link_pic (info)))
2255 /* No dynamic relocations are needed against resolved
2256 undefined weak symbols in an executable. */
2257 && !(h->root.type == bfd_link_hash_undefweak
2258 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2259 || resolved_to_zero)))
2260 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2263 h->got.offset = (bfd_vma) -1;
2265 if (eh->dyn_relocs == NULL)
2268 /* In the shared -Bsymbolic case, discard space allocated for
2269 dynamic pc-relative relocs against symbols which turn out to be
2270 defined in regular objects. For the normal shared case, discard
2271 space for pc-relative relocs that have become local due to symbol
2272 visibility changes. */
2274 if (bfd_link_pic (info))
2276 if (SYMBOL_CALLS_LOCAL (info, h))
2278 struct elf_dyn_relocs **pp;
2280 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2282 p->count -= p->pc_count;
2291 if (htab->is_vxworks)
2293 struct elf_dyn_relocs **pp;
2295 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2297 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2304 /* Also discard relocs on undefined weak syms with non-default
2305 visibility or in PIE. */
2306 if (eh->dyn_relocs != NULL
2307 && h->root.type == bfd_link_hash_undefweak)
2309 /* An undefined weak symbol is never
2310 bound locally in a shared library. */
2312 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2313 || resolved_to_zero)
2317 /* Keep dynamic non-GOT/non-PLT relocation so that we
2318 can branch to 0 without PLT. */
2319 struct elf_dyn_relocs **pp;
2321 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2322 if (p->pc_count == 0)
2326 /* Remove other relocations. */
2327 p->count = p->pc_count;
2331 if (eh->dyn_relocs != NULL)
2333 /* Make sure undefined weak symbols are output
2334 as dynamic symbols in PIEs for dynamic non-GOT
2335 non-PLT reloations. */
2336 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2341 eh->dyn_relocs = NULL;
2344 /* Make sure undefined weak symbols are output as a dynamic
2346 else if (h->dynindx == -1
2347 && !h->forced_local)
2349 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2356 /* For the non-shared case, discard space for relocs against
2357 symbols which turn out to need copy relocs or are not
2360 if ((!h->non_got_ref
2361 || (h->root.type == bfd_link_hash_undefweak
2362 && !resolved_to_zero))
2365 || (htab->elf.dynamic_sections_created
2366 && (h->root.type == bfd_link_hash_undefweak
2367 || h->root.type == bfd_link_hash_undefined))))
2369 /* Undefined weak syms won't yet be marked as dynamic. */
2370 if (h->root.type == bfd_link_hash_undefweak
2371 && !resolved_to_zero
2373 && !h->forced_local)
2375 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2379 /* If that succeeded, we know we'll be keeping all the
2381 if (h->dynindx != -1)
2385 eh->dyn_relocs = NULL;
2390 /* Finally, allocate space. */
2391 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2393 asection *sreloc = elf_section_data (p->sec)->sreloc;
2394 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2400 /* Allocate space in .plt, .got and associated reloc sections for
2401 local dynamic relocs. */
2404 allocate_local_dynrelocs (void **slot, void *inf)
2406 struct elf_link_hash_entry *h
2407 = (struct elf_link_hash_entry *) *slot;
2409 if (h->type != STT_GNU_IFUNC
2413 || h->root.type != bfd_link_hash_defined)
2416 return allocate_dynrelocs (h, inf);
2419 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2420 read-only sections. */
2423 maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2427 if (h->root.type == bfd_link_hash_indirect)
2430 sec = readonly_dynrelocs (h);
2433 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2435 info->flags |= DF_TEXTREL;
2436 info->callbacks->minfo
2437 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
2438 sec->owner, h->root.root.string, sec);
2440 /* Not an error, just cut short the traversal. */
2446 /* Return true if the dynamic symbol for a given section should be
2447 omitted when creating a shared library. */
2450 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2451 struct bfd_link_info *info,
2454 /* We keep the .got section symbol so that explicit relocations
2455 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2456 can be turned into relocations against the .got symbol. */
2457 if (strcmp (p->name, ".got") == 0)
2460 return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
2463 /* Set the sizes of the dynamic sections. */
2466 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2467 struct bfd_link_info *info)
2469 struct _bfd_sparc_elf_link_hash_table *htab;
2474 htab = _bfd_sparc_elf_hash_table (info);
2475 BFD_ASSERT (htab != NULL);
2476 dynobj = htab->elf.dynobj;
2477 BFD_ASSERT (dynobj != NULL);
2479 if (elf_hash_table (info)->dynamic_sections_created)
2481 /* Set the contents of the .interp section to the interpreter. */
2482 if (bfd_link_executable (info) && !info->nointerp)
2484 s = bfd_get_linker_section (dynobj, ".interp");
2485 BFD_ASSERT (s != NULL);
2486 s->size = htab->dynamic_interpreter_size;
2487 s->contents = (unsigned char *) htab->dynamic_interpreter;
2492 /* Set up .got offsets for local syms, and space for local dynamic
2494 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2496 bfd_signed_vma *local_got;
2497 bfd_signed_vma *end_local_got;
2498 char *local_tls_type;
2499 bfd_size_type locsymcount;
2500 Elf_Internal_Shdr *symtab_hdr;
2503 if (! is_sparc_elf (ibfd))
2506 for (s = ibfd->sections; s != NULL; s = s->next)
2508 struct elf_dyn_relocs *p;
2510 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2512 if (!bfd_is_abs_section (p->sec)
2513 && bfd_is_abs_section (p->sec->output_section))
2515 /* Input section has been discarded, either because
2516 it is a copy of a linkonce section or due to
2517 linker script /DISCARD/, so we'll be discarding
2520 else if (htab->is_vxworks
2521 && strcmp (p->sec->output_section->name,
2524 /* Relocations in vxworks .tls_vars sections are
2525 handled specially by the loader. */
2527 else if (p->count != 0)
2529 srel = elf_section_data (p->sec)->sreloc;
2530 if (!htab->elf.dynamic_sections_created)
2531 srel = htab->elf.irelplt;
2532 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2533 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2535 info->flags |= DF_TEXTREL;
2536 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2537 p->sec->owner, p->sec);
2543 local_got = elf_local_got_refcounts (ibfd);
2547 symtab_hdr = &elf_symtab_hdr (ibfd);
2548 locsymcount = symtab_hdr->sh_info;
2549 end_local_got = local_got + locsymcount;
2550 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2552 srel = htab->elf.srelgot;
2553 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2557 *local_got = s->size;
2558 s->size += SPARC_ELF_WORD_BYTES (htab);
2559 if (*local_tls_type == GOT_TLS_GD)
2560 s->size += SPARC_ELF_WORD_BYTES (htab);
2561 if (bfd_link_pic (info)
2562 || *local_tls_type == GOT_TLS_GD
2563 || *local_tls_type == GOT_TLS_IE)
2564 srel->size += SPARC_ELF_RELA_BYTES (htab);
2567 *local_got = (bfd_vma) -1;
2571 if (htab->tls_ldm_got.refcount > 0)
2573 /* Allocate 2 got entries and 1 dynamic reloc for
2574 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2575 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2576 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2577 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2580 htab->tls_ldm_got.offset = -1;
2582 /* Allocate global sym .plt and .got entries, and space for global
2583 sym dynamic relocs. */
2584 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2586 /* Allocate .plt and .got entries, and space for local symbols. */
2587 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2589 if (! ABI_64_P (output_bfd)
2590 && !htab->is_vxworks
2591 && elf_hash_table (info)->dynamic_sections_created)
2593 /* Make space for the trailing nop in .plt. */
2594 if (htab->elf.splt->size > 0)
2595 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2597 /* If the .got section is more than 0x1000 bytes, we add
2598 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2599 bit relocations have a greater chance of working.
2601 FIXME: Make this optimization work for 64-bit too. */
2602 if (htab->elf.sgot->size >= 0x1000
2603 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2604 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2607 /* The check_relocs and adjust_dynamic_symbol entry points have
2608 determined the sizes of the various dynamic sections. Allocate
2610 for (s = dynobj->sections; s != NULL; s = s->next)
2612 if ((s->flags & SEC_LINKER_CREATED) == 0)
2615 if (s == htab->elf.splt
2616 || s == htab->elf.sgot
2617 || s == htab->elf.sdynbss
2618 || s == htab->elf.sdynrelro
2619 || s == htab->elf.iplt
2620 || s == htab->elf.sgotplt)
2622 /* Strip this section if we don't need it; see the
2625 else if (CONST_STRNEQ (s->name, ".rela"))
2629 /* We use the reloc_count field as a counter if we need
2630 to copy relocs into the output file. */
2636 /* It's not one of our sections. */
2642 /* If we don't need this section, strip it from the
2643 output file. This is mostly to handle .rela.bss and
2644 .rela.plt. We must create both sections in
2645 create_dynamic_sections, because they must be created
2646 before the linker maps input sections to output
2647 sections. The linker does that before
2648 adjust_dynamic_symbol is called, and it is that
2649 function which decides whether anything needs to go
2650 into these sections. */
2651 s->flags |= SEC_EXCLUDE;
2655 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2658 /* Allocate memory for the section contents. Zero the memory
2659 for the benefit of .rela.plt, which has 4 unused entries
2660 at the beginning, and we don't want garbage. */
2661 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2662 if (s->contents == NULL)
2666 if (elf_hash_table (info)->dynamic_sections_created)
2668 /* Add some entries to the .dynamic section. We fill in the
2669 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2670 must add the entries now so that we get the correct size for
2671 the .dynamic section. The DT_DEBUG entry is filled in by the
2672 dynamic linker and used by the debugger. */
2673 #define add_dynamic_entry(TAG, VAL) \
2674 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2676 if (bfd_link_executable (info))
2678 if (!add_dynamic_entry (DT_DEBUG, 0))
2682 if (htab->elf.srelplt->size != 0)
2684 if (!add_dynamic_entry (DT_PLTGOT, 0)
2685 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2686 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2687 || !add_dynamic_entry (DT_JMPREL, 0))
2691 if (!add_dynamic_entry (DT_RELA, 0)
2692 || !add_dynamic_entry (DT_RELASZ, 0)
2693 || !add_dynamic_entry (DT_RELAENT,
2694 SPARC_ELF_RELA_BYTES (htab)))
2697 /* If any dynamic relocs apply to a read-only section,
2698 then we need a DT_TEXTREL entry. */
2699 if ((info->flags & DF_TEXTREL) == 0)
2700 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
2702 if (info->flags & DF_TEXTREL)
2704 if (!add_dynamic_entry (DT_TEXTREL, 0))
2708 if (ABI_64_P (output_bfd))
2711 struct _bfd_sparc_elf_app_reg * app_regs;
2712 struct elf_strtab_hash *dynstr;
2713 struct elf_link_hash_table *eht = elf_hash_table (info);
2715 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2716 entries if needed. */
2717 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2718 dynstr = eht->dynstr;
2720 for (reg = 0; reg < 4; reg++)
2721 if (app_regs [reg].name != NULL)
2723 struct elf_link_local_dynamic_entry *entry, *e;
2725 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2728 entry = (struct elf_link_local_dynamic_entry *)
2729 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2733 /* We cheat here a little bit: the symbol will not be local, so we
2734 put it at the end of the dynlocal linked list. We will fix it
2735 later on, as we have to fix other fields anyway. */
2736 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2737 entry->isym.st_size = 0;
2738 if (*app_regs [reg].name != '\0')
2740 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2742 entry->isym.st_name = 0;
2743 entry->isym.st_other = 0;
2744 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2746 entry->isym.st_shndx = app_regs [reg].shndx;
2747 entry->isym.st_target_internal = 0;
2749 entry->input_bfd = output_bfd;
2750 entry->input_indx = -1;
2752 if (eht->dynlocal == NULL)
2753 eht->dynlocal = entry;
2756 for (e = eht->dynlocal; e->next; e = e->next)
2763 if (htab->is_vxworks
2764 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2767 #undef add_dynamic_entry
2773 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2775 if (!sec->used_by_bfd)
2777 struct _bfd_sparc_elf_section_data *sdata;
2778 bfd_size_type amt = sizeof (*sdata);
2780 sdata = bfd_zalloc (abfd, amt);
2783 sec->used_by_bfd = sdata;
2786 return _bfd_elf_new_section_hook (abfd, sec);
2790 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2791 struct bfd_section *section,
2792 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2795 if (bfd_link_relocatable (link_info))
2796 (*link_info->callbacks->einfo)
2797 (_("%P%F: --relax and -r may not be used together\n"));
2800 sec_do_relax (section) = 1;
2804 /* Return the base VMA address which should be subtracted from real addresses
2805 when resolving @dtpoff relocation.
2806 This is PT_TLS segment p_vaddr. */
2809 dtpoff_base (struct bfd_link_info *info)
2811 /* If tls_sec is NULL, we should have signalled an error already. */
2812 if (elf_hash_table (info)->tls_sec == NULL)
2814 return elf_hash_table (info)->tls_sec->vma;
2817 /* Return the relocation value for @tpoff relocation
2818 if STT_TLS virtual address is ADDRESS. */
2821 tpoff (struct bfd_link_info *info, bfd_vma address)
2823 struct elf_link_hash_table *htab = elf_hash_table (info);
2824 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2825 bfd_vma static_tls_size;
2827 /* If tls_sec is NULL, we should have signalled an error already. */
2828 if (htab->tls_sec == NULL)
2831 /* Consider special static TLS alignment requirements. */
2832 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2833 return address - static_tls_size - htab->tls_sec->vma;
2836 /* Return the relocation value for a %gdop relocation. */
2839 gdopoff (struct bfd_link_info *info, bfd_vma address)
2841 struct elf_link_hash_table *htab = elf_hash_table (info);
2844 got_base = (htab->hgot->root.u.def.value
2845 + htab->hgot->root.u.def.section->output_offset
2846 + htab->hgot->root.u.def.section->output_section->vma);
2848 return address - got_base;
2851 /* Return whether H is local and its ADDRESS is within 4G of
2852 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2853 sethi, xor sequence. */
2856 gdop_relative_offset_ok (struct bfd_link_info *info,
2857 struct elf_link_hash_entry *h,
2858 bfd_vma address ATTRIBUTE_UNUSED)
2860 if (!SYMBOL_REFERENCES_LOCAL (info, h))
2862 /* If H is undefined, ADDRESS will be zero. We can't allow a
2863 relative offset to "zero" when producing PIEs or shared libs.
2864 Note that to get here with an undefined symbol it must also be
2865 hidden or internal visibility. */
2866 if (bfd_link_pic (info)
2868 && (h->root.type == bfd_link_hash_undefweak
2869 || h->root.type == bfd_link_hash_undefined))
2872 return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
2878 /* Relocate a SPARC ELF section. */
2881 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2882 struct bfd_link_info *info,
2884 asection *input_section,
2886 Elf_Internal_Rela *relocs,
2887 Elf_Internal_Sym *local_syms,
2888 asection **local_sections)
2890 struct _bfd_sparc_elf_link_hash_table *htab;
2891 Elf_Internal_Shdr *symtab_hdr;
2892 struct elf_link_hash_entry **sym_hashes;
2893 bfd_vma *local_got_offsets;
2896 Elf_Internal_Rela *rel;
2897 Elf_Internal_Rela *relend;
2899 bfd_boolean is_vxworks_tls;
2901 htab = _bfd_sparc_elf_hash_table (info);
2902 BFD_ASSERT (htab != NULL);
2903 symtab_hdr = &elf_symtab_hdr (input_bfd);
2904 sym_hashes = elf_sym_hashes (input_bfd);
2905 local_got_offsets = elf_local_got_offsets (input_bfd);
2907 if (elf_hash_table (info)->hgot == NULL)
2910 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2912 sreloc = elf_section_data (input_section)->sreloc;
2913 /* We have to handle relocations in vxworks .tls_vars sections
2914 specially, because the dynamic loader is 'weird'. */
2915 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
2916 && !strcmp (input_section->output_section->name,
2920 if (ABI_64_P (output_bfd))
2921 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2923 num_relocs = input_section->reloc_count;
2924 relend = relocs + num_relocs;
2925 for (; rel < relend; rel++)
2927 int r_type, tls_type;
2928 reloc_howto_type *howto;
2929 unsigned long r_symndx;
2930 struct elf_link_hash_entry *h;
2931 struct _bfd_sparc_elf_link_hash_entry *eh;
2932 Elf_Internal_Sym *sym;
2934 bfd_vma relocation, off;
2935 bfd_reloc_status_type r;
2936 bfd_boolean is_plt = FALSE;
2937 bfd_boolean unresolved_reloc;
2938 bfd_boolean resolved_to_zero;
2939 bfd_boolean relative_reloc;
2941 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2942 if (r_type == R_SPARC_GNU_VTINHERIT
2943 || r_type == R_SPARC_GNU_VTENTRY)
2946 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2948 bfd_set_error (bfd_error_bad_value);
2952 howto = _bfd_sparc_elf_howto_table + r_type;
2953 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2957 unresolved_reloc = FALSE;
2958 if (r_symndx < symtab_hdr->sh_info)
2960 sym = local_syms + r_symndx;
2961 sec = local_sections[r_symndx];
2962 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2964 if (!bfd_link_relocatable (info)
2965 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2967 /* Relocate against local STT_GNU_IFUNC symbol. */
2968 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
2973 /* Set STT_GNU_IFUNC symbol value. */
2974 h->root.u.def.value = sym->st_value;
2975 h->root.u.def.section = sec;
2980 bfd_boolean warned, ignored;
2982 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2983 r_symndx, symtab_hdr, sym_hashes,
2985 unresolved_reloc, warned, ignored);
2988 /* To avoid generating warning messages about truncated
2989 relocations, set the relocation's address to be the same as
2990 the start of this section. */
2991 if (input_section->output_section != NULL)
2992 relocation = input_section->output_section->vma;
2998 if (sec != NULL && discarded_section (sec))
2999 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3000 rel, 1, relend, howto, 0, contents);
3002 if (bfd_link_relocatable (info))
3006 && h->type == STT_GNU_IFUNC
3012 if ((input_section->flags & SEC_ALLOC) == 0
3013 || h->plt.offset == (bfd_vma) -1)
3015 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
3016 STT_GNU_IFUNC symbol as STT_FUNC. */
3017 if (elf_section_type (input_section) == SHT_NOTE)
3022 plt_sec = htab->elf.splt;
3024 plt_sec =htab->elf.iplt;
3028 case R_SPARC_GOTDATA_OP:
3031 case R_SPARC_GOTDATA_OP_HIX22:
3032 case R_SPARC_GOTDATA_OP_LOX10:
3033 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3036 howto = _bfd_sparc_elf_howto_table + r_type;
3042 if (htab->elf.sgot == NULL)
3044 off = h->got.offset;
3045 if (off == (bfd_vma) -1)
3047 relocation = htab->elf.sgot->output_offset + off - got_base;
3050 case R_SPARC_WPLT30:
3051 case R_SPARC_WDISP30:
3052 relocation = (plt_sec->output_section->vma
3053 + plt_sec->output_offset + h->plt.offset);
3058 if (bfd_link_pic (info) && h->non_got_ref)
3060 Elf_Internal_Rela outrel;
3063 offset = _bfd_elf_section_offset (output_bfd, info,
3066 if (offset == (bfd_vma) -1
3067 || offset == (bfd_vma) -2)
3070 outrel.r_offset = (input_section->output_section->vma
3071 + input_section->output_offset
3074 if (h->dynindx == -1
3076 || bfd_link_executable (info))
3078 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3079 0, R_SPARC_IRELATIVE);
3080 outrel.r_addend = relocation + rel->r_addend;
3084 if (h->dynindx == -1)
3086 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3087 outrel.r_addend = rel->r_addend;
3090 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3094 relocation = (plt_sec->output_section->vma
3095 + plt_sec->output_offset + h->plt.offset);
3100 /* We should only see such relocs in static links. */
3101 if (bfd_link_pic (info))
3103 relocation = (plt_sec->output_section->vma
3104 + plt_sec->output_offset + h->plt.offset);
3108 if (h->root.root.string)
3109 name = h->root.root.string;
3111 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3114 /* xgettext:c-format */
3115 (_("%pB: relocation %s against STT_GNU_IFUNC "
3116 "symbol `%s' isn't handled by %s"), input_bfd,
3117 _bfd_sparc_elf_howto_table[r_type].name,
3118 name, __FUNCTION__);
3119 bfd_set_error (bfd_error_bad_value);
3125 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
3126 resolved_to_zero = eh && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
3130 case R_SPARC_GOTDATA_OP_HIX22:
3131 case R_SPARC_GOTDATA_OP_LOX10:
3132 if (gdop_relative_offset_ok (info, h, relocation))
3134 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3135 ? R_SPARC_GOTDATA_HIX22
3136 : R_SPARC_GOTDATA_LOX10);
3137 howto = _bfd_sparc_elf_howto_table + r_type;
3141 case R_SPARC_GOTDATA_OP:
3142 if (gdop_relative_offset_ok (info, h, relocation))
3144 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3146 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3147 relocation = 0x80000000 | (insn & 0x3e07c01f);
3148 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3150 /* If the symbol is global but not dynamic, an .rela.* slot has
3151 been allocated for it in the GOT so output R_SPARC_NONE here,
3152 if it isn't also subject to another, old-style GOT relocation.
3153 See also the handling of these GOT relocations just below. */
3157 && h->root.type != bfd_link_hash_undefweak
3158 && !eh->has_old_style_got_reloc
3159 && (h->got.offset & 1) == 0
3160 && bfd_link_pic (info))
3162 asection *s = htab->elf.srelgot;
3163 Elf_Internal_Rela outrel;
3165 BFD_ASSERT (s != NULL);
3167 memset (&outrel, 0, sizeof outrel);
3168 sparc_elf_append_rela (output_bfd, s, &outrel);
3177 case R_SPARC_GOTDATA_HIX22:
3178 case R_SPARC_GOTDATA_LOX10:
3179 relocation = gdopoff (info, relocation);
3182 case R_SPARC_GOTDATA_OP_HIX22:
3183 case R_SPARC_GOTDATA_OP_LOX10:
3187 /* Relocation is to the entry for this symbol in the global
3189 if (htab->elf.sgot == NULL)
3192 relative_reloc = FALSE;
3197 off = h->got.offset;
3198 BFD_ASSERT (off != (bfd_vma) -1);
3199 dyn = elf_hash_table (info)->dynamic_sections_created;
3201 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3202 bfd_link_pic (info),
3204 || (bfd_link_pic (info)
3205 && SYMBOL_REFERENCES_LOCAL (info, h)))
3207 /* This is actually a static link, or it is a
3208 -Bsymbolic link and the symbol is defined
3209 locally, or the symbol was forced to be local
3210 because of a version file. We must initialize
3211 this entry in the global offset table. Since the
3212 offset must always be a multiple of 8 for 64-bit
3213 and 4 for 32-bit, we use the least significant bit
3214 to record whether we have initialized it already.
3216 When doing a dynamic link, we create a .rela.got
3217 relocation entry to initialize the value. This
3218 is done in the finish_dynamic_symbol routine. */
3223 /* If this symbol isn't dynamic in PIC mode, treat it
3224 like a local symbol in PIC mode below. */
3225 if (h->dynindx == -1
3227 && h->root.type != bfd_link_hash_undefweak
3228 && bfd_link_pic (info))
3229 relative_reloc = TRUE;
3231 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3232 htab->elf.sgot->contents + off);
3237 unresolved_reloc = FALSE;
3241 BFD_ASSERT (local_got_offsets != NULL
3242 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3244 off = local_got_offsets[r_symndx];
3246 /* The offset must always be a multiple of 8 on 64-bit and
3247 4 on 32-bit. We use the least significant bit to record
3248 whether we have already processed this entry. */
3253 /* For a local symbol in PIC mode, we need to generate a
3254 R_SPARC_RELATIVE reloc for the dynamic linker. */
3255 if (bfd_link_pic (info))
3256 relative_reloc = TRUE;
3258 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3259 htab->elf.sgot->contents + off);
3260 local_got_offsets[r_symndx] |= 1;
3266 asection *s = htab->elf.srelgot;
3267 Elf_Internal_Rela outrel;
3269 BFD_ASSERT (s != NULL);
3271 outrel.r_offset = (htab->elf.sgot->output_section->vma
3272 + htab->elf.sgot->output_offset
3274 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3275 0, R_SPARC_RELATIVE);
3276 outrel.r_addend = relocation;
3277 sparc_elf_append_rela (output_bfd, s, &outrel);
3278 /* Versions of glibc ld.so at least up to 2.26 wrongly
3279 add the section contents to the value calculated for
3280 a RELATIVE reloc. Zero the contents to work around
3283 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3284 htab->elf.sgot->contents + off);
3287 relocation = htab->elf.sgot->output_offset + off - got_base;
3292 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3294 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3299 case R_SPARC_WPLT30:
3300 case R_SPARC_HIPLT22:
3301 case R_SPARC_LOPLT10:
3302 case R_SPARC_PCPLT32:
3303 case R_SPARC_PCPLT22:
3304 case R_SPARC_PCPLT10:
3306 /* Relocation is to the entry for this symbol in the
3307 procedure linkage table. */
3309 if (! ABI_64_P (output_bfd))
3311 /* The Solaris native assembler will generate a WPLT30 reloc
3312 for a local symbol if you assemble a call from one
3313 section to another when using -K pic. We treat it as
3318 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3319 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3323 BFD_ASSERT (h != NULL);
3326 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3328 /* We didn't make a PLT entry for this symbol. This
3329 happens when statically linking PIC code, or when
3330 using -Bsymbolic. */
3334 relocation = (htab->elf.splt->output_section->vma
3335 + htab->elf.splt->output_offset
3337 unresolved_reloc = FALSE;
3338 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3340 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3348 case R_SPARC_PC_HH22:
3349 case R_SPARC_PC_HM10:
3350 case R_SPARC_PC_LM22:
3352 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3356 case R_SPARC_DISP16:
3357 case R_SPARC_DISP32:
3358 case R_SPARC_DISP64:
3359 case R_SPARC_WDISP30:
3360 case R_SPARC_WDISP22:
3361 case R_SPARC_WDISP19:
3362 case R_SPARC_WDISP16:
3363 case R_SPARC_WDISP10:
3391 if ((input_section->flags & SEC_ALLOC) == 0 || is_vxworks_tls)
3394 /* Copy dynamic function pointer relocations. Don't generate
3395 dynamic relocations against resolved undefined weak symbols
3397 if ((bfd_link_pic (info)
3399 || !(h->root.type == bfd_link_hash_undefweak
3400 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3401 || resolved_to_zero)))
3402 && (! howto->pc_relative
3403 || !SYMBOL_CALLS_LOCAL (info, h)))
3404 || (!bfd_link_pic (info)
3410 || (h->root.type == bfd_link_hash_undefweak
3411 && !resolved_to_zero)
3412 || h->root.type == bfd_link_hash_undefined)))
3414 Elf_Internal_Rela outrel;
3415 bfd_boolean skip, relocate = FALSE;
3417 /* When generating a shared object, these relocations
3418 are copied into the output file to be resolved at run
3421 BFD_ASSERT (sreloc != NULL);
3426 _bfd_elf_section_offset (output_bfd, info, input_section,
3428 if (outrel.r_offset == (bfd_vma) -1)
3430 else if (outrel.r_offset == (bfd_vma) -2)
3431 skip = TRUE, relocate = TRUE;
3432 outrel.r_offset += (input_section->output_section->vma
3433 + input_section->output_offset);
3435 /* Optimize unaligned reloc usage now that we know where
3436 it finally resides. */
3440 if (outrel.r_offset & 1)
3441 r_type = R_SPARC_UA16;
3444 if (!(outrel.r_offset & 1))
3445 r_type = R_SPARC_16;
3448 if (outrel.r_offset & 3)
3449 r_type = R_SPARC_UA32;
3452 if (!(outrel.r_offset & 3))
3453 r_type = R_SPARC_32;
3456 if (outrel.r_offset & 7)
3457 r_type = R_SPARC_UA64;
3460 if (!(outrel.r_offset & 7))
3461 r_type = R_SPARC_64;
3464 case R_SPARC_DISP16:
3465 case R_SPARC_DISP32:
3466 case R_SPARC_DISP64:
3467 /* If the symbol is not dynamic, we should not keep
3468 a dynamic relocation. But an .rela.* slot has been
3469 allocated for it, output R_SPARC_NONE.
3470 FIXME: Add code tracking needed dynamic relocs as
3472 if (h->dynindx == -1)
3473 skip = TRUE, relocate = TRUE;
3478 memset (&outrel, 0, sizeof outrel);
3479 /* h->dynindx may be -1 if the symbol was marked to
3483 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3484 || !bfd_link_pic (info)
3485 || !SYMBOLIC_BIND (info, h)
3486 || !h->def_regular))
3488 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3489 outrel.r_addend = rel->r_addend;
3493 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3494 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
3496 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3497 0, R_SPARC_RELATIVE);
3498 outrel.r_addend = relocation + rel->r_addend;
3504 outrel.r_addend = relocation + rel->r_addend;
3507 sec = htab->elf.splt;
3509 if (bfd_is_abs_section (sec))
3511 else if (sec == NULL || sec->owner == NULL)
3513 bfd_set_error (bfd_error_bad_value);
3520 /* We are turning this relocation into one
3521 against a section symbol. It would be
3522 proper to subtract the symbol's value,
3523 osec->vma, from the emitted reloc addend,
3524 but ld.so expects buggy relocs. */
3525 osec = sec->output_section;
3526 indx = elf_section_data (osec)->dynindx;
3530 osec = htab->elf.text_index_section;
3531 indx = elf_section_data (osec)->dynindx;
3534 /* FIXME: we really should be able to link non-pic
3535 shared libraries. */
3540 (_("%pB: probably compiled without -fPIC?"),
3542 bfd_set_error (bfd_error_bad_value);
3547 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3552 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3554 /* This reloc will be computed at runtime, so there's no
3555 need to do anything now. */
3561 case R_SPARC_TLS_GD_HI22:
3562 case R_SPARC_TLS_GD_LO10:
3563 case R_SPARC_TLS_IE_HI22:
3564 case R_SPARC_TLS_IE_LO10:
3565 r_type = sparc_elf_tls_transition (info, input_bfd, r_type,
3566 h == NULL || h->dynindx == -1);
3567 if (r_type == R_SPARC_REV32)
3570 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3571 else if (local_got_offsets)
3572 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3574 tls_type = GOT_UNKNOWN;
3575 if (tls_type == GOT_TLS_IE)
3578 case R_SPARC_TLS_GD_HI22:
3579 r_type = R_SPARC_TLS_IE_HI22;
3581 case R_SPARC_TLS_GD_LO10:
3582 r_type = R_SPARC_TLS_IE_LO10;
3586 if (r_type == R_SPARC_TLS_LE_HIX22)
3588 relocation = tpoff (info, relocation);
3591 if (r_type == R_SPARC_TLS_LE_LOX10)
3593 /* Change add into xor. */
3594 relocation = tpoff (info, relocation);
3595 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3596 contents + rel->r_offset)
3597 | 0x80182000), contents + rel->r_offset);
3603 off = h->got.offset;
3608 BFD_ASSERT (local_got_offsets != NULL);
3609 off = local_got_offsets[r_symndx];
3610 local_got_offsets[r_symndx] |= 1;
3614 if (htab->elf.sgot == NULL)
3621 Elf_Internal_Rela outrel;
3624 if (htab->elf.srelgot == NULL)
3627 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3628 htab->elf.sgot->contents + off);
3629 outrel.r_offset = (htab->elf.sgot->output_section->vma
3630 + htab->elf.sgot->output_offset + off);
3631 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3632 if (r_type == R_SPARC_TLS_IE_HI22
3633 || r_type == R_SPARC_TLS_IE_LO10)
3634 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3636 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3637 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3638 outrel.r_addend = relocation - dtpoff_base (info);
3640 outrel.r_addend = 0;
3641 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3642 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3644 if (r_type == R_SPARC_TLS_GD_HI22
3645 || r_type == R_SPARC_TLS_GD_LO10)
3649 BFD_ASSERT (! unresolved_reloc);
3650 SPARC_ELF_PUT_WORD (htab, output_bfd,
3651 relocation - dtpoff_base (info),
3652 (htab->elf.sgot->contents + off
3653 + SPARC_ELF_WORD_BYTES (htab)));
3657 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3658 (htab->elf.sgot->contents + off
3659 + SPARC_ELF_WORD_BYTES (htab)));
3660 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3661 SPARC_ELF_DTPOFF_RELOC (htab));
3662 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3663 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3667 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3669 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3670 (htab->elf.sgot->contents + off
3671 + SPARC_ELF_WORD_BYTES (htab)));
3675 if (off >= (bfd_vma) -2)
3678 relocation = htab->elf.sgot->output_offset + off - got_base;
3679 unresolved_reloc = FALSE;
3680 howto = _bfd_sparc_elf_howto_table + r_type;
3683 case R_SPARC_TLS_LDM_HI22:
3684 case R_SPARC_TLS_LDM_LO10:
3686 if (bfd_link_executable (info))
3688 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3691 off = htab->tls_ldm_got.offset;
3692 htab->tls_ldm_got.offset |= 1;
3693 goto r_sparc_tlsldm;
3695 case R_SPARC_TLS_LDO_HIX22:
3696 case R_SPARC_TLS_LDO_LOX10:
3698 if (bfd_link_executable (info))
3700 if (r_type == R_SPARC_TLS_LDO_HIX22)
3701 r_type = R_SPARC_TLS_LE_HIX22;
3703 r_type = R_SPARC_TLS_LE_LOX10;
3707 relocation -= dtpoff_base (info);
3712 case R_SPARC_TLS_LE_HIX22:
3713 case R_SPARC_TLS_LE_LOX10:
3714 if (!bfd_link_executable (info))
3716 Elf_Internal_Rela outrel;
3718 = _bfd_elf_section_offset (output_bfd, info, input_section,
3720 if (offset == (bfd_vma) -1 || offset == (bfd_vma) -2)
3721 memset (&outrel, 0, sizeof outrel);
3724 outrel.r_offset = offset
3725 + input_section->output_section->vma
3726 + input_section->output_offset;
3727 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3729 = relocation - dtpoff_base (info) + rel->r_addend;
3732 BFD_ASSERT (sreloc != NULL);
3733 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3736 relocation = tpoff (info, relocation);
3739 case R_SPARC_TLS_LDM_CALL:
3741 if (bfd_link_executable (info))
3744 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3749 case R_SPARC_TLS_GD_CALL:
3751 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3752 else if (local_got_offsets)
3753 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3755 tls_type = GOT_UNKNOWN;
3756 /* GD -> IE or LE */
3757 if (bfd_link_executable (info)
3758 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3760 Elf_Internal_Rela *rel2;
3764 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3766 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3771 if (rel + 1 < relend
3772 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3773 && rel[1].r_offset == rel->r_offset + 4
3774 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3775 && (((insn = bfd_get_32 (input_bfd,
3776 contents + rel[1].r_offset))
3777 >> 25) & 0x1f) == 8)
3780 call __tls_get_addr, %tgd_call(foo)
3781 add %reg1, %reg2, %o0, %tgd_add(foo)
3782 and change it into IE:
3783 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3784 add %g7, %o0, %o0, %tie_add(foo).
3785 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3786 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3787 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3788 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3789 contents + rel->r_offset);
3790 bfd_put_32 (output_bfd, 0x9001c008,
3791 contents + rel->r_offset + 4);
3796 /* We cannot just overwrite the delay slot instruction,
3797 as it might be what puts the %o0 argument to
3798 __tls_get_addr into place. So we have to transpose
3799 the delay slot with the add we patch in. */
3800 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3801 bfd_put_32 (output_bfd, insn,
3802 contents + rel->r_offset);
3803 bfd_put_32 (output_bfd, 0x9001c008,
3804 contents + rel->r_offset + 4);
3807 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3811 /* If the instruction we moved has a relocation attached to
3812 it, adjust the offset so that it will apply to the correct
3814 rel2->r_offset -= 4;
3819 h = (struct elf_link_hash_entry *)
3820 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3822 BFD_ASSERT (h != NULL);
3823 r_type = R_SPARC_WPLT30;
3824 howto = _bfd_sparc_elf_howto_table + r_type;
3825 goto r_sparc_wplt30;
3827 case R_SPARC_TLS_GD_ADD:
3829 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3830 else if (local_got_offsets)
3831 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3833 tls_type = GOT_UNKNOWN;
3834 /* GD -> IE or LE */
3835 if (bfd_link_executable (info) || tls_type == GOT_TLS_IE)
3837 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3839 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3841 add %g7, %reg2, %reg3. */
3842 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3843 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3844 relocation = (insn & ~0x7c000) | 0x1c000;
3846 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3847 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3851 case R_SPARC_TLS_LDM_ADD:
3853 if (bfd_link_executable (info))
3854 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3857 case R_SPARC_TLS_LDO_ADD:
3859 if (bfd_link_executable (info))
3861 /* Change rs1 into %g7. */
3862 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3863 insn = (insn & ~0x7c000) | 0x1c000;
3864 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3868 case R_SPARC_TLS_IE_LD:
3869 case R_SPARC_TLS_IE_LDX:
3871 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3873 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3874 int rs2 = insn & 0x1f;
3875 int rd = (insn >> 25) & 0x1f;
3878 relocation = SPARC_NOP;
3880 relocation = 0x80100000 | (insn & 0x3e00001f);
3881 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3885 case R_SPARC_TLS_IE_ADD:
3886 /* Totally useless relocation. */
3889 case R_SPARC_TLS_DTPOFF32:
3890 case R_SPARC_TLS_DTPOFF64:
3891 relocation -= dtpoff_base (info);
3898 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3899 because such sections are not SEC_ALLOC and thus ld.so will
3900 not process them. */
3901 if (unresolved_reloc
3902 && !((input_section->flags & SEC_DEBUGGING) != 0
3904 && _bfd_elf_section_offset (output_bfd, info, input_section,
3905 rel->r_offset) != (bfd_vma) -1)
3907 /* xgettext:c-format */
3908 (_("%pB(%pA+%#" PRIx64 "): "
3909 "unresolvable %s relocation against symbol `%s'"),
3912 (uint64_t) rel->r_offset,
3914 h->root.root.string);
3916 r = bfd_reloc_continue;
3917 if (r_type == R_SPARC_OLO10)
3921 if (! ABI_64_P (output_bfd))
3924 relocation += rel->r_addend;
3925 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3927 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3928 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3929 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3931 r = bfd_check_overflow (howto->complain_on_overflow,
3932 howto->bitsize, howto->rightshift,
3933 bfd_arch_bits_per_address (input_bfd),
3936 else if (r_type == R_SPARC_WDISP16)
3940 relocation += rel->r_addend;
3941 relocation -= (input_section->output_section->vma
3942 + input_section->output_offset);
3943 relocation -= rel->r_offset;
3945 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3946 x |= ((((relocation >> 2) & 0xc000) << 6)
3947 | ((relocation >> 2) & 0x3fff));
3948 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3950 r = bfd_check_overflow (howto->complain_on_overflow,
3951 howto->bitsize, howto->rightshift,
3952 bfd_arch_bits_per_address (input_bfd),
3955 else if (r_type == R_SPARC_WDISP10)
3959 relocation += rel->r_addend;
3960 relocation -= (input_section->output_section->vma
3961 + input_section->output_offset);
3962 relocation -= rel->r_offset;
3964 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3965 x |= ((((relocation >> 2) & 0x300) << 11)
3966 | (((relocation >> 2) & 0xff) << 5));
3967 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3969 r = bfd_check_overflow (howto->complain_on_overflow,
3970 howto->bitsize, howto->rightshift,
3971 bfd_arch_bits_per_address (input_bfd),
3974 else if (r_type == R_SPARC_REV32)
3978 relocation = relocation + rel->r_addend;
3980 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3982 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3985 else if (r_type == R_SPARC_TLS_LDO_HIX22
3986 || r_type == R_SPARC_TLS_LE_HIX22)
3990 relocation += rel->r_addend;
3991 if (r_type == R_SPARC_TLS_LE_HIX22)
3992 relocation ^= MINUS_ONE;
3994 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3995 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3996 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3999 else if (r_type == R_SPARC_TLS_LDO_LOX10
4000 || r_type == R_SPARC_TLS_LE_LOX10)
4004 relocation += rel->r_addend;
4005 relocation &= 0x3ff;
4006 if (r_type == R_SPARC_TLS_LE_LOX10)
4007 relocation |= 0x1c00;
4009 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4010 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4011 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4015 else if (r_type == R_SPARC_HIX22
4016 || r_type == R_SPARC_GOTDATA_HIX22
4017 || r_type == R_SPARC_GOTDATA_OP_HIX22)
4021 relocation += rel->r_addend;
4022 if (r_type == R_SPARC_HIX22
4023 || (bfd_signed_vma) relocation < 0)
4024 relocation = relocation ^ MINUS_ONE;
4026 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4027 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4028 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4030 r = bfd_check_overflow (howto->complain_on_overflow,
4031 howto->bitsize, howto->rightshift,
4032 bfd_arch_bits_per_address (input_bfd),
4035 else if (r_type == R_SPARC_LOX10
4036 || r_type == R_SPARC_GOTDATA_LOX10
4037 || r_type == R_SPARC_GOTDATA_OP_LOX10)
4041 relocation += rel->r_addend;
4042 if (r_type == R_SPARC_LOX10
4043 || (bfd_signed_vma) relocation < 0)
4044 relocation = (relocation & 0x3ff) | 0x1c00;
4046 relocation = (relocation & 0x3ff);
4048 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4049 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4050 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4054 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4055 && sec_do_relax (input_section)
4056 && rel->r_offset + 4 < input_section->size)
4060 #define XCC (2 << 20)
4061 #define COND(x) (((x)&0xf)<<25)
4062 #define CONDA COND(0x8)
4063 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4064 #define INSN_BA (F2(0,2) | CONDA)
4065 #define INSN_OR F3(2, 0x2, 0)
4066 #define INSN_NOP F2(0,4)
4070 /* If the instruction is a call with either:
4072 arithmetic instruction with rd == %o7
4073 where rs1 != %o7 and rs2 if it is register != %o7
4074 then we can optimize if the call destination is near
4075 by changing the call into a branch always. */
4076 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4077 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4078 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4080 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4081 || ((y & OP3(0x28)) == 0 /* arithmetic */
4082 && (y & RD(~0)) == RD(O7)))
4083 && (y & RS1(~0)) != RS1(O7)
4085 || (y & RS2(~0)) != RS2(O7)))
4089 reloc = relocation + rel->r_addend - rel->r_offset;
4090 reloc -= (input_section->output_section->vma
4091 + input_section->output_offset);
4093 /* Ensure the branch fits into simm22. */
4094 if ((reloc & 3) == 0
4095 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4096 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4100 /* Check whether it fits into simm19. */
4101 if (((reloc & 0x3c0000) == 0
4102 || (reloc & 0x3c0000) == 0x3c0000)
4103 && (ABI_64_P (output_bfd)
4104 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4105 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4107 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4108 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4110 if (rel->r_offset >= 4
4111 && (y & (0xffffffff ^ RS1(~0)))
4112 == (INSN_OR | RD(O7) | RS2(G0)))
4117 z = bfd_get_32 (input_bfd,
4118 contents + rel->r_offset - 4);
4119 if ((z & (0xffffffff ^ RD(~0)))
4120 != (INSN_OR | RS1(O7) | RS2(G0)))
4128 If call foo was replaced with ba, replace
4129 or %rN, %g0, %o7 with nop. */
4131 reg = (y & RS1(~0)) >> 14;
4132 if (reg != ((z & RD(~0)) >> 25)
4133 || reg == G0 || reg == O7)
4136 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4137 contents + rel->r_offset + 4);
4145 if (r == bfd_reloc_continue)
4148 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4149 contents, rel->r_offset,
4150 relocation, rel->r_addend);
4152 if (r != bfd_reloc_ok)
4157 case bfd_reloc_outofrange:
4159 case bfd_reloc_overflow:
4163 /* The Solaris native linker silently disregards overflows.
4164 We don't, but this breaks stabs debugging info, whose
4165 relocations are only 32-bits wide. Ignore overflows in
4166 this case and also for discarded entries. */
4167 if ((r_type == R_SPARC_32
4168 || r_type == R_SPARC_UA32
4169 || r_type == R_SPARC_DISP32)
4170 && (((input_section->flags & SEC_DEBUGGING) != 0
4171 && strcmp (bfd_section_name (input_bfd,
4174 || _bfd_elf_section_offset (output_bfd, info,
4182 /* Assume this is a call protected by other code that
4183 detect the symbol is undefined. If this is the case,
4184 we can safely ignore the overflow. If not, the
4185 program is hosed anyway, and a little warning isn't
4187 if (h->root.type == bfd_link_hash_undefweak
4188 && howto->pc_relative)
4195 name = bfd_elf_string_from_elf_section (input_bfd,
4196 symtab_hdr->sh_link,
4201 name = bfd_section_name (input_bfd, sec);
4203 (*info->callbacks->reloc_overflow)
4204 (info, (h ? &h->root : NULL), name, howto->name,
4205 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4215 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4216 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4217 is the offset of the associated .got.plt entry from
4218 _GLOBAL_OFFSET_TABLE_. */
4221 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4222 bfd_vma plt_offset, bfd_vma plt_index,
4226 const bfd_vma *plt_entry;
4227 struct _bfd_sparc_elf_link_hash_table *htab;
4229 Elf_Internal_Rela rela;
4231 htab = _bfd_sparc_elf_hash_table (info);
4232 BFD_ASSERT (htab != NULL);
4234 if (bfd_link_pic (info))
4236 plt_entry = sparc_vxworks_shared_plt_entry;
4241 plt_entry = sparc_vxworks_exec_plt_entry;
4242 got_base = (htab->elf.hgot->root.u.def.value
4243 + htab->elf.hgot->root.u.def.section->output_offset
4244 + htab->elf.hgot->root.u.def.section->output_section->vma);
4247 /* Fill in the entry in the procedure linkage table. */
4248 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4249 htab->elf.splt->contents + plt_offset);
4250 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4251 htab->elf.splt->contents + plt_offset + 4);
4252 bfd_put_32 (output_bfd, plt_entry[2],
4253 htab->elf.splt->contents + plt_offset + 8);
4254 bfd_put_32 (output_bfd, plt_entry[3],
4255 htab->elf.splt->contents + plt_offset + 12);
4256 bfd_put_32 (output_bfd, plt_entry[4],
4257 htab->elf.splt->contents + plt_offset + 16);
4258 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4259 htab->elf.splt->contents + plt_offset + 20);
4260 /* PC-relative displacement for a branch to the start of
4262 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4264 htab->elf.splt->contents + plt_offset + 24);
4265 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4266 htab->elf.splt->contents + plt_offset + 28);
4268 /* Fill in the .got.plt entry, pointing initially at the
4269 second half of the PLT entry. */
4270 BFD_ASSERT (htab->elf.sgotplt != NULL);
4271 bfd_put_32 (output_bfd,
4272 htab->elf.splt->output_section->vma
4273 + htab->elf.splt->output_offset
4275 htab->elf.sgotplt->contents + got_offset);
4277 /* Add relocations to .rela.plt.unloaded. */
4278 if (!bfd_link_pic (info))
4280 loc = (htab->srelplt2->contents
4281 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4283 /* Relocate the initial sethi. */
4284 rela.r_offset = (htab->elf.splt->output_section->vma
4285 + htab->elf.splt->output_offset
4287 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4288 rela.r_addend = got_offset;
4289 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4290 loc += sizeof (Elf32_External_Rela);
4292 /* Likewise the following or. */
4294 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4295 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4296 loc += sizeof (Elf32_External_Rela);
4298 /* Relocate the .got.plt entry. */
4299 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4300 + htab->elf.sgotplt->output_offset
4302 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4303 rela.r_addend = plt_offset + 20;
4304 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4308 /* Finish up dynamic symbol handling. We set the contents of various
4309 dynamic sections here. */
4312 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4313 struct bfd_link_info *info,
4314 struct elf_link_hash_entry *h,
4315 Elf_Internal_Sym *sym)
4317 struct _bfd_sparc_elf_link_hash_table *htab;
4318 const struct elf_backend_data *bed;
4319 struct _bfd_sparc_elf_link_hash_entry *eh;
4320 bfd_boolean resolved_to_zero;
4322 htab = _bfd_sparc_elf_hash_table (info);
4323 BFD_ASSERT (htab != NULL);
4324 bed = get_elf_backend_data (output_bfd);
4326 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
4328 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4329 resolved undefined weak symbols in executable so that their
4330 references have value 0 at run-time. */
4331 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
4333 if (h->plt.offset != (bfd_vma) -1)
4337 Elf_Internal_Rela rela;
4339 bfd_vma r_offset, got_offset;
4342 /* When building a static executable, use .iplt and
4343 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4344 if (htab->elf.splt != NULL)
4346 splt = htab->elf.splt;
4347 srela = htab->elf.srelplt;
4351 splt = htab->elf.iplt;
4352 srela = htab->elf.irelplt;
4355 if (splt == NULL || srela == NULL)
4358 /* Fill in the entry in the .rela.plt section. */
4359 if (htab->is_vxworks)
4361 /* Work out the index of this PLT entry. */
4362 rela_index = ((h->plt.offset - htab->plt_header_size)
4363 / htab->plt_entry_size);
4365 /* Calculate the offset of the associated .got.plt entry.
4366 The first three entries are reserved. */
4367 got_offset = (rela_index + 3) * 4;
4369 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4370 rela_index, got_offset);
4373 /* On VxWorks, the relocation points to the .got.plt entry,
4374 not the .plt entry. */
4375 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4376 + htab->elf.sgotplt->output_offset
4379 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4384 bfd_boolean ifunc = FALSE;
4386 /* Fill in the entry in the procedure linkage table. */
4387 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4388 h->plt.offset, splt->size,
4393 || ((bfd_link_executable (info)
4394 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4396 && h->type == STT_GNU_IFUNC))
4399 BFD_ASSERT (h == NULL
4400 || (h->type == STT_GNU_IFUNC
4402 && (h->root.type == bfd_link_hash_defined
4403 || h->root.type == bfd_link_hash_defweak)));
4406 rela.r_offset = r_offset
4407 + (splt->output_section->vma + splt->output_offset);
4408 if (ABI_64_P (output_bfd)
4409 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4413 rela.r_addend = (h->root.u.def.section->output_section->vma
4414 + h->root.u.def.section->output_offset
4415 + h->root.u.def.value);
4416 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4421 rela.r_addend = (-(h->plt.offset + 4)
4422 - splt->output_section->vma
4423 - splt->output_offset);
4424 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4432 rela.r_addend = (h->root.u.def.section->output_section->vma
4433 + h->root.u.def.section->output_offset
4434 + h->root.u.def.value);
4435 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4441 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4447 /* Adjust for the first 4 reserved elements in the .plt section
4448 when setting the offset in the .rela.plt section.
4449 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4450 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4452 loc = srela->contents;
4453 loc += rela_index * bed->s->sizeof_rela;
4454 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4456 if (!resolved_to_zero && !h->def_regular)
4458 /* Mark the symbol as undefined, rather than as defined in
4459 the .plt section. Leave the value alone. */
4460 sym->st_shndx = SHN_UNDEF;
4461 /* If the symbol is weak, we do need to clear the value.
4462 Otherwise, the PLT entry would provide a definition for
4463 the symbol even if the symbol wasn't defined anywhere,
4464 and so the symbol would never be NULL. */
4465 if (!h->ref_regular_nonweak)
4470 /* Don't generate dynamic GOT relocation against resolved undefined weak
4471 symbols in an executable. */
4472 if (h->got.offset != (bfd_vma) -1
4473 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4474 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
4475 && !(h->root.type == bfd_link_hash_undefweak
4476 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
4477 || resolved_to_zero)))
4481 Elf_Internal_Rela rela;
4483 /* This symbol has an entry in the GOT. Set it up. */
4485 sgot = htab->elf.sgot;
4486 srela = htab->elf.srelgot;
4487 BFD_ASSERT (sgot != NULL && srela != NULL);
4489 rela.r_offset = (sgot->output_section->vma
4490 + sgot->output_offset
4491 + (h->got.offset &~ (bfd_vma) 1));
4493 /* If this is a -Bsymbolic link, and the symbol is defined
4494 locally, we just want to emit a RELATIVE reloc. Likewise if
4495 the symbol was forced to be local because of a version file.
4496 The entry in the global offset table will already have been
4497 initialized in the relocate_section function. */
4498 if (! bfd_link_pic (info)
4499 && h->type == STT_GNU_IFUNC
4504 /* We load the GOT entry with the PLT entry. */
4505 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4506 SPARC_ELF_PUT_WORD (htab, output_bfd,
4507 (plt->output_section->vma
4508 + plt->output_offset + h->plt.offset),
4509 htab->elf.sgot->contents
4510 + (h->got.offset & ~(bfd_vma) 1));
4514 if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h))
4516 asection *sec = h->root.u.def.section;
4517 if (h->type == STT_GNU_IFUNC)
4518 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4520 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4521 rela.r_addend = (h->root.u.def.value
4522 + sec->output_section->vma
4523 + sec->output_offset);
4527 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4531 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4532 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4533 sparc_elf_append_rela (output_bfd, srela, &rela);
4539 Elf_Internal_Rela rela;
4541 /* This symbols needs a copy reloc. Set it up. */
4542 BFD_ASSERT (h->dynindx != -1);
4544 rela.r_offset = (h->root.u.def.value
4545 + h->root.u.def.section->output_section->vma
4546 + h->root.u.def.section->output_offset);
4547 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4549 if (h->root.u.def.section == htab->elf.sdynrelro)
4550 s = htab->elf.sreldynrelro;
4552 s = htab->elf.srelbss;
4553 sparc_elf_append_rela (output_bfd, s, &rela);
4556 /* Mark some specially defined symbols as absolute. On VxWorks,
4557 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4558 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4560 && (h == htab->elf.hdynamic
4561 || (!htab->is_vxworks
4562 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4563 sym->st_shndx = SHN_ABS;
4568 /* Finish up the dynamic sections. */
4571 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4572 bfd *dynobj, asection *sdyn,
4573 asection *splt ATTRIBUTE_UNUSED)
4575 struct _bfd_sparc_elf_link_hash_table *htab;
4576 const struct elf_backend_data *bed;
4577 bfd_byte *dyncon, *dynconend;
4579 int stt_regidx = -1;
4580 bfd_boolean abi_64_p;
4582 htab = _bfd_sparc_elf_hash_table (info);
4583 BFD_ASSERT (htab != NULL);
4584 bed = get_elf_backend_data (output_bfd);
4585 dynsize = bed->s->sizeof_dyn;
4586 dynconend = sdyn->contents + sdyn->size;
4587 abi_64_p = ABI_64_P (output_bfd);
4588 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4590 Elf_Internal_Dyn dyn;
4593 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4595 if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4597 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4598 not to the start of the PLT. */
4599 if (htab->elf.sgotplt)
4601 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4602 + htab->elf.sgotplt->output_offset);
4603 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4606 else if (htab->is_vxworks
4607 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4608 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4609 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4611 if (stt_regidx == -1)
4614 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4615 if (stt_regidx == -1)
4618 dyn.d_un.d_val = stt_regidx++;
4619 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4632 s = htab->elf.srelplt;
4636 s = htab->elf.srelplt;
4648 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4650 dyn.d_un.d_val = s->size;
4652 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4658 /* Install the first PLT entry in a VxWorks executable and make sure that
4659 .rela.plt.unloaded relocations have the correct symbol indexes. */
4662 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4664 struct _bfd_sparc_elf_link_hash_table *htab;
4665 Elf_Internal_Rela rela;
4669 htab = _bfd_sparc_elf_hash_table (info);
4670 BFD_ASSERT (htab != NULL);
4672 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4673 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4674 + htab->elf.hgot->root.u.def.section->output_offset
4675 + htab->elf.hgot->root.u.def.value);
4677 /* Install the initial PLT entry. */
4678 bfd_put_32 (output_bfd,
4679 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4680 htab->elf.splt->contents);
4681 bfd_put_32 (output_bfd,
4682 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4683 htab->elf.splt->contents + 4);
4684 bfd_put_32 (output_bfd,
4685 sparc_vxworks_exec_plt0_entry[2],
4686 htab->elf.splt->contents + 8);
4687 bfd_put_32 (output_bfd,
4688 sparc_vxworks_exec_plt0_entry[3],
4689 htab->elf.splt->contents + 12);
4690 bfd_put_32 (output_bfd,
4691 sparc_vxworks_exec_plt0_entry[4],
4692 htab->elf.splt->contents + 16);
4694 loc = htab->srelplt2->contents;
4696 /* Add an unloaded relocation for the initial entry's "sethi". */
4697 rela.r_offset = (htab->elf.splt->output_section->vma
4698 + htab->elf.splt->output_offset);
4699 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4701 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4702 loc += sizeof (Elf32_External_Rela);
4704 /* Likewise the following "or". */
4706 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4707 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4708 loc += sizeof (Elf32_External_Rela);
4710 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4711 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4712 in which symbols were output. */
4713 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4715 Elf_Internal_Rela rel;
4717 /* The entry's initial "sethi" (against _G_O_T_). */
4718 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4719 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4720 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4721 loc += sizeof (Elf32_External_Rela);
4723 /* The following "or" (also against _G_O_T_). */
4724 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4725 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4726 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4727 loc += sizeof (Elf32_External_Rela);
4729 /* The .got.plt entry (against _P_L_T_). */
4730 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4731 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4732 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4733 loc += sizeof (Elf32_External_Rela);
4737 /* Install the first PLT entry in a VxWorks shared object. */
4740 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4742 struct _bfd_sparc_elf_link_hash_table *htab;
4745 htab = _bfd_sparc_elf_hash_table (info);
4746 BFD_ASSERT (htab != NULL);
4748 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4749 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4750 htab->elf.splt->contents + i * 4);
4753 /* Finish up local dynamic symbol handling. We set the contents of
4754 various dynamic sections here. */
4757 finish_local_dynamic_symbol (void **slot, void *inf)
4759 struct elf_link_hash_entry *h
4760 = (struct elf_link_hash_entry *) *slot;
4761 struct bfd_link_info *info
4762 = (struct bfd_link_info *) inf;
4764 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4768 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4769 here since undefined weak symbol may not be dynamic and may not be
4770 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4773 pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
4776 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
4777 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4779 if (h->root.type != bfd_link_hash_undefweak
4780 || h->dynindx != -1)
4783 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4788 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4792 struct _bfd_sparc_elf_link_hash_table *htab;
4794 htab = _bfd_sparc_elf_hash_table (info);
4795 BFD_ASSERT (htab != NULL);
4796 dynobj = htab->elf.dynobj;
4798 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4800 if (elf_hash_table (info)->dynamic_sections_created)
4804 splt = htab->elf.splt;
4805 BFD_ASSERT (splt != NULL && sdyn != NULL);
4807 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4810 /* Initialize the contents of the .plt section. */
4813 if (htab->is_vxworks)
4815 if (bfd_link_pic (info))
4816 sparc_vxworks_finish_shared_plt (output_bfd, info);
4818 sparc_vxworks_finish_exec_plt (output_bfd, info);
4822 memset (splt->contents, 0, htab->plt_header_size);
4823 if (!ABI_64_P (output_bfd))
4824 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4825 splt->contents + splt->size - 4);
4829 if (elf_section_data (splt->output_section) != NULL)
4830 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4831 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4832 ? 0 : htab->plt_entry_size);
4835 /* Set the first entry in the global offset table to the address of
4836 the dynamic section. */
4837 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4839 bfd_vma val = (sdyn ?
4840 sdyn->output_section->vma + sdyn->output_offset :
4843 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4847 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4848 SPARC_ELF_WORD_BYTES (htab);
4850 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4851 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4853 /* Fill PLT entries for undefined weak symbols in PIE. */
4854 if (bfd_link_pie (info))
4855 bfd_hash_traverse (&info->hash->table,
4856 pie_finish_undefweak_symbol,
4862 /* Set the right machine number for a SPARC ELF file. */
4865 _bfd_sparc_elf_object_p (bfd *abfd)
4867 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4868 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4869 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4871 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4872 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
4873 | ELF_SPARC_HWCAP_VIS3
4874 | ELF_SPARC_HWCAP_HPC);
4875 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
4876 | ELF_SPARC_HWCAP_DES
4877 | ELF_SPARC_HWCAP_KASUMI
4878 | ELF_SPARC_HWCAP_CAMELLIA
4879 | ELF_SPARC_HWCAP_MD5
4880 | ELF_SPARC_HWCAP_SHA1
4881 | ELF_SPARC_HWCAP_SHA256
4882 | ELF_SPARC_HWCAP_SHA512
4883 | ELF_SPARC_HWCAP_MPMUL
4884 | ELF_SPARC_HWCAP_MONT
4885 | ELF_SPARC_HWCAP_CRC32C
4886 | ELF_SPARC_HWCAP_CBCOND
4887 | ELF_SPARC_HWCAP_PAUSE);
4888 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
4889 | ELF_SPARC_HWCAP_IMA);
4890 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
4891 | ELF_SPARC_HWCAP2_MWAIT
4892 | ELF_SPARC_HWCAP2_XMPMUL
4893 | ELF_SPARC_HWCAP2_XMONT);
4894 unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
4895 | ELF_SPARC_HWCAP2_ONADDSUB
4896 | ELF_SPARC_HWCAP2_ONMUL
4897 | ELF_SPARC_HWCAP2_ONDIV
4898 | ELF_SPARC_HWCAP2_DICTUNP
4899 | ELF_SPARC_HWCAP2_FPCMPSHL
4900 | ELF_SPARC_HWCAP2_RLE
4901 | ELF_SPARC_HWCAP2_SHA3);
4903 if (ABI_64_P (abfd))
4905 unsigned long mach = bfd_mach_sparc_v9;
4907 if (hwcaps2->i & m8_hwcaps2_mask)
4908 mach = bfd_mach_sparc_v9m8;
4909 else if (hwcaps2->i & v9m_hwcaps2_mask)
4910 mach = bfd_mach_sparc_v9m;
4911 else if (hwcaps->i & v9v_hwcaps_mask)
4912 mach = bfd_mach_sparc_v9v;
4913 else if (hwcaps->i & v9e_hwcaps_mask)
4914 mach = bfd_mach_sparc_v9e;
4915 else if (hwcaps->i & v9d_hwcaps_mask)
4916 mach = bfd_mach_sparc_v9d;
4917 else if (hwcaps->i & v9c_hwcaps_mask)
4918 mach = bfd_mach_sparc_v9c;
4919 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4920 mach = bfd_mach_sparc_v9b;
4921 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4922 mach = bfd_mach_sparc_v9a;
4923 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4927 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4929 if (hwcaps2->i & m8_hwcaps2_mask)
4930 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4931 bfd_mach_sparc_v8plusm8);
4932 else if (hwcaps2->i & v9m_hwcaps2_mask)
4933 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4934 bfd_mach_sparc_v8plusm);
4935 else if (hwcaps->i & v9v_hwcaps_mask)
4936 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4937 bfd_mach_sparc_v8plusv);
4938 else if (hwcaps->i & v9e_hwcaps_mask)
4939 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4940 bfd_mach_sparc_v8pluse);
4941 else if (hwcaps->i & v9d_hwcaps_mask)
4942 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4943 bfd_mach_sparc_v8plusd);
4944 else if (hwcaps->i & v9c_hwcaps_mask)
4945 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4946 bfd_mach_sparc_v8plusc);
4947 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4948 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4949 bfd_mach_sparc_v8plusb);
4950 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4951 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4952 bfd_mach_sparc_v8plusa);
4953 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4954 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4955 bfd_mach_sparc_v8plus);
4959 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4960 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4961 bfd_mach_sparc_sparclite_le);
4963 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4967 /* Return address for Ith PLT stub in section PLT, for relocation REL
4968 or (bfd_vma) -1 if it should not be included. */
4971 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4973 if (ABI_64_P (plt->owner))
4977 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4978 if (i < PLT64_LARGE_THRESHOLD)
4979 return plt->vma + i * PLT64_ENTRY_SIZE;
4981 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4983 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4986 return rel->address;
4989 /* Merge backend specific data from an object file to the output
4990 object file when linking. */
4993 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
4995 bfd *obfd = info->output_bfd;
4996 obj_attribute *in_attr, *in_attrs;
4997 obj_attribute *out_attr, *out_attrs;
4999 if (!elf_known_obj_attributes_proc (obfd)[0].i)
5001 /* This is the first object. Copy the attributes. */
5002 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5004 /* Use the Tag_null value to indicate the attributes have been
5006 elf_known_obj_attributes_proc (obfd)[0].i = 1;
5011 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
5012 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
5014 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
5015 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
5017 out_attr->i |= in_attr->i;
5020 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
5021 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
5023 out_attr->i |= in_attr->i;
5026 /* Merge Tag_compatibility attributes and any common GNU ones. */
5027 _bfd_elf_merge_object_attributes (ibfd, info);