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 non-GOT/non-PLT relocations in text sections. */
708 unsigned int has_non_got_reloc : 1;
712 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
714 struct _bfd_sparc_elf_obj_tdata
716 struct elf_obj_tdata root;
718 /* tls_type for each local got entry. */
719 char *local_got_tls_type;
721 /* TRUE if TLS GD relocs has been seen for this object. */
722 bfd_boolean has_tlsgd;
725 #define _bfd_sparc_elf_tdata(abfd) \
726 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
728 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
729 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
731 #define is_sparc_elf(bfd) \
732 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
733 && elf_tdata (bfd) != NULL \
734 && elf_object_id (bfd) == SPARC_ELF_DATA)
737 _bfd_sparc_elf_mkobject (bfd *abfd)
739 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
744 sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
746 bfd_put_32 (abfd, val, ptr);
750 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
752 bfd_put_64 (abfd, val, ptr);
756 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
758 const struct elf_backend_data *bed;
761 bed = get_elf_backend_data (abfd);
762 BFD_ASSERT (s->reloc_count * bed->s->sizeof_rela < s->size);
763 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
764 bed->s->swap_reloca_out (abfd, rel, loc);
768 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
769 bfd_vma rel_index ATTRIBUTE_UNUSED,
770 bfd_vma type ATTRIBUTE_UNUSED)
772 return ELF64_R_INFO (rel_index,
774 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
779 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
780 bfd_vma rel_index, bfd_vma type)
782 return ELF32_R_INFO (rel_index, type);
786 sparc_elf_r_symndx_64 (bfd_vma r_info)
788 bfd_vma r_symndx = ELF32_R_SYM (r_info);
789 return (r_symndx >> 24);
793 sparc_elf_r_symndx_32 (bfd_vma r_info)
795 return ELF32_R_SYM (r_info);
800 #define PLT32_ENTRY_SIZE 12
801 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
803 /* The first four entries in a 32-bit procedure linkage table are reserved,
804 and the initial contents are unimportant (we zero them out).
805 Subsequent entries look like this. See the SVR4 ABI SPARC
806 supplement to see how this works. */
808 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
809 #define PLT32_ENTRY_WORD0 0x03000000
810 /* b,a .plt0. We fill in the offset later. */
811 #define PLT32_ENTRY_WORD1 0x30800000
813 #define PLT32_ENTRY_WORD2 SPARC_NOP
816 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
817 bfd_vma max ATTRIBUTE_UNUSED,
820 bfd_put_32 (output_bfd,
821 PLT32_ENTRY_WORD0 + offset,
822 splt->contents + offset);
823 bfd_put_32 (output_bfd,
825 + (((- (offset + 4)) >> 2) & 0x3fffff)),
826 splt->contents + offset + 4);
827 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
828 splt->contents + offset + 8);
832 return offset / PLT32_ENTRY_SIZE - 4;
835 /* Both the headers and the entries are icache aligned. */
836 #define PLT64_ENTRY_SIZE 32
837 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
838 #define PLT64_LARGE_THRESHOLD 32768
841 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
842 bfd_vma max, bfd_vma *r_offset)
844 unsigned char *entry = splt->contents + offset;
845 const unsigned int nop = SPARC_NOP;
848 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
850 unsigned int sethi, ba;
854 plt_index = (offset / PLT64_ENTRY_SIZE);
856 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
858 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
860 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
861 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
862 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
863 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
864 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
865 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
866 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
867 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
873 int block, last_block, ofs, last_ofs, chunks_this_block;
874 const int insn_chunk_size = (6 * 4);
875 const int ptr_chunk_size = (1 * 8);
876 const int entries_per_block = 160;
877 const int block_size = entries_per_block * (insn_chunk_size
880 /* Entries 32768 and higher are grouped into blocks of 160.
881 The blocks are further subdivided into 160 sequences of
882 6 instructions and 160 pointers. If a block does not require
883 the full 160 entries, let's say it requires N, then there
884 will be N sequences of 6 instructions and N pointers. */
886 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
887 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
889 block = offset / block_size;
890 last_block = max / block_size;
891 if (block != last_block)
893 chunks_this_block = 160;
897 last_ofs = max % block_size;
898 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
901 ofs = offset % block_size;
903 plt_index = (PLT64_LARGE_THRESHOLD +
905 (ofs / insn_chunk_size));
908 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
909 + (block * block_size)
910 + (chunks_this_block * insn_chunk_size)
911 + (ofs / insn_chunk_size) * ptr_chunk_size;
913 *r_offset = (bfd_vma) (ptr - splt->contents);
915 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
923 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
924 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
925 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
926 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
927 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
928 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
930 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
933 return plt_index - 4;
936 /* The format of the first PLT entry in a VxWorks executable. */
937 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
939 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
940 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
941 0xc4008000, /* ld [ %g2 ], %g2 */
942 0x81c08000, /* jmp %g2 */
946 /* The format of subsequent PLT entries. */
947 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
949 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
950 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
951 0xc2004000, /* ld [ %g1 ], %g1 */
952 0x81c04000, /* jmp %g1 */
953 0x01000000, /* nop */
954 0x03000000, /* sethi %hi(f@pltindex), %g1 */
955 0x10800000, /* b _PLT_resolve */
956 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
959 /* The format of the first PLT entry in a VxWorks shared object. */
960 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
962 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
963 0x81c08000, /* jmp %g2 */
967 /* The format of subsequent PLT entries. */
968 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
970 0x03000000, /* sethi %hi(f@got), %g1 */
971 0x82106000, /* or %g1, %lo(f@got), %g1 */
972 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
973 0x81c04000, /* jmp %g1 */
974 0x01000000, /* nop */
975 0x03000000, /* sethi %hi(f@pltindex), %g1 */
976 0x10800000, /* b _PLT_resolve */
977 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
980 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
981 htab->put_word(bfd, val, ptr)
983 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
984 htab->r_info(in_rel, index, type)
986 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
987 htab->r_symndx(r_info)
989 #define SPARC_ELF_WORD_BYTES(htab) \
992 #define SPARC_ELF_RELA_BYTES(htab) \
995 #define SPARC_ELF_DTPOFF_RELOC(htab) \
998 #define SPARC_ELF_DTPMOD_RELOC(htab) \
1001 #define SPARC_ELF_TPOFF_RELOC(htab) \
1004 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1005 htab->build_plt_entry (obfd, splt, off, max, r_off)
1007 /* Create an entry in an SPARC ELF linker hash table. */
1009 static struct bfd_hash_entry *
1010 link_hash_newfunc (struct bfd_hash_entry *entry,
1011 struct bfd_hash_table *table, const char *string)
1013 /* Allocate the structure if it has not already been allocated by a
1017 entry = bfd_hash_allocate (table,
1018 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1023 /* Call the allocation method of the superclass. */
1024 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1027 struct _bfd_sparc_elf_link_hash_entry *eh;
1029 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1030 eh->dyn_relocs = NULL;
1031 eh->tls_type = GOT_UNKNOWN;
1032 eh->has_got_reloc = 0;
1033 eh->has_non_got_reloc = 0;
1039 /* The name of the dynamic interpreter. This is put in the .interp
1042 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1043 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1045 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1046 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1047 as global symbol. We reuse indx and dynstr_index for local symbol
1048 hash since they aren't used by global symbols in this backend. */
1051 elf_sparc_local_htab_hash (const void *ptr)
1053 struct elf_link_hash_entry *h
1054 = (struct elf_link_hash_entry *) ptr;
1055 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1058 /* Compare local hash entries. */
1061 elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1063 struct elf_link_hash_entry *h1
1064 = (struct elf_link_hash_entry *) ptr1;
1065 struct elf_link_hash_entry *h2
1066 = (struct elf_link_hash_entry *) ptr2;
1068 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1071 /* Find and/or create a hash entry for local symbol. */
1073 static struct elf_link_hash_entry *
1074 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1075 bfd *abfd, const Elf_Internal_Rela *rel,
1078 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1079 asection *sec = abfd->sections;
1080 unsigned long r_symndx;
1084 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1085 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1087 e.elf.indx = sec->id;
1088 e.elf.dynstr_index = r_symndx;
1089 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1090 create ? INSERT : NO_INSERT);
1097 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1101 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1102 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1103 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1106 memset (ret, 0, sizeof (*ret));
1107 ret->elf.indx = sec->id;
1108 ret->elf.dynstr_index = r_symndx;
1109 ret->elf.dynindx = -1;
1110 ret->elf.plt.offset = (bfd_vma) -1;
1111 ret->elf.got.offset = (bfd_vma) -1;
1117 /* Destroy a SPARC ELF linker hash table. */
1120 _bfd_sparc_elf_link_hash_table_free (bfd *obfd)
1122 struct _bfd_sparc_elf_link_hash_table *htab
1123 = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
1125 if (htab->loc_hash_table)
1126 htab_delete (htab->loc_hash_table);
1127 if (htab->loc_hash_memory)
1128 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1129 _bfd_elf_link_hash_table_free (obfd);
1132 /* Create a SPARC ELF linker hash table. */
1134 struct bfd_link_hash_table *
1135 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1137 struct _bfd_sparc_elf_link_hash_table *ret;
1138 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1140 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1144 if (ABI_64_P (abfd))
1146 ret->put_word = sparc_put_word_64;
1147 ret->r_info = sparc_elf_r_info_64;
1148 ret->r_symndx = sparc_elf_r_symndx_64;
1149 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1150 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1151 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1152 ret->word_align_power = 3;
1153 ret->align_power_max = 4;
1154 ret->bytes_per_word = 8;
1155 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1156 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1157 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1159 ret->build_plt_entry = sparc64_plt_entry_build;
1160 ret->plt_header_size = PLT64_HEADER_SIZE;
1161 ret->plt_entry_size = PLT64_ENTRY_SIZE;
1165 ret->put_word = sparc_put_word_32;
1166 ret->r_info = sparc_elf_r_info_32;
1167 ret->r_symndx = sparc_elf_r_symndx_32;
1168 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1169 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1170 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1171 ret->word_align_power = 2;
1172 ret->align_power_max = 3;
1173 ret->bytes_per_word = 4;
1174 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1175 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1176 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1178 ret->build_plt_entry = sparc32_plt_entry_build;
1179 ret->plt_header_size = PLT32_HEADER_SIZE;
1180 ret->plt_entry_size = PLT32_ENTRY_SIZE;
1183 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1184 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1191 ret->loc_hash_table = htab_try_create (1024,
1192 elf_sparc_local_htab_hash,
1193 elf_sparc_local_htab_eq,
1195 ret->loc_hash_memory = objalloc_create ();
1196 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1198 _bfd_sparc_elf_link_hash_table_free (abfd);
1201 ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
1203 return &ret->elf.root;
1206 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1207 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1211 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1212 struct bfd_link_info *info)
1214 struct _bfd_sparc_elf_link_hash_table *htab;
1216 htab = _bfd_sparc_elf_hash_table (info);
1217 BFD_ASSERT (htab != NULL);
1219 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1222 if (htab->is_vxworks)
1224 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1226 if (bfd_link_pic (info))
1228 htab->plt_header_size
1229 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1230 htab->plt_entry_size
1231 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1235 htab->plt_header_size
1236 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1237 htab->plt_entry_size
1238 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1242 if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
1243 || (!bfd_link_pic (info) && !htab->elf.srelbss))
1250 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1252 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1253 struct elf_link_hash_table *htab = elf_hash_table (info);
1254 flagword flags, pltflags;
1257 if (htab->irelifunc != NULL || htab->iplt != NULL)
1260 flags = bed->dynamic_sec_flags;
1261 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1263 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1265 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1269 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1270 flags | SEC_READONLY);
1272 || ! bfd_set_section_alignment (abfd, s,
1273 bed->s->log_file_align))
1280 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1283 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1284 struct elf_link_hash_entry *dir,
1285 struct elf_link_hash_entry *ind)
1287 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1289 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1290 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1292 if (eind->dyn_relocs != NULL)
1294 if (edir->dyn_relocs != NULL)
1296 struct elf_dyn_relocs **pp;
1297 struct elf_dyn_relocs *p;
1299 /* Add reloc counts against the indirect sym to the direct sym
1300 list. Merge any entries against the same section. */
1301 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1303 struct elf_dyn_relocs *q;
1305 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1306 if (q->sec == p->sec)
1308 q->pc_count += p->pc_count;
1309 q->count += p->count;
1316 *pp = edir->dyn_relocs;
1319 edir->dyn_relocs = eind->dyn_relocs;
1320 eind->dyn_relocs = NULL;
1323 if (ind->root.type == bfd_link_hash_indirect && dir->got.refcount <= 0)
1325 edir->tls_type = eind->tls_type;
1326 eind->tls_type = GOT_UNKNOWN;
1329 /* Copy has_got_reloc and has_non_got_reloc. */
1330 edir->has_got_reloc |= eind->has_got_reloc;
1331 edir->has_non_got_reloc |= eind->has_non_got_reloc;
1333 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1337 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1338 int r_type, int is_local)
1340 if (! ABI_64_P (abfd)
1341 && r_type == R_SPARC_TLS_GD_HI22
1342 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1343 return R_SPARC_REV32;
1345 if (!bfd_link_executable (info))
1350 case R_SPARC_TLS_GD_HI22:
1351 return is_local ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_IE_HI22;
1352 case R_SPARC_TLS_GD_LO10:
1353 return is_local ? R_SPARC_TLS_LE_LOX10 : R_SPARC_TLS_IE_LO10;
1354 case R_SPARC_TLS_LDM_HI22:
1355 return R_SPARC_TLS_LE_HIX22;
1356 case R_SPARC_TLS_LDM_LO10:
1357 return R_SPARC_TLS_LE_LOX10;
1358 case R_SPARC_TLS_IE_HI22:
1359 return is_local ? R_SPARC_TLS_LE_HIX22 : r_type;
1360 case R_SPARC_TLS_IE_LO10:
1361 return is_local ? R_SPARC_TLS_LE_LOX10 : r_type;
1367 /* Look through the relocs for a section during the first phase, and
1368 allocate space in the global offset table or procedure linkage
1372 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1373 asection *sec, const Elf_Internal_Rela *relocs)
1375 struct _bfd_sparc_elf_link_hash_table *htab;
1376 Elf_Internal_Shdr *symtab_hdr;
1377 struct elf_link_hash_entry **sym_hashes;
1378 const Elf_Internal_Rela *rel;
1379 const Elf_Internal_Rela *rel_end;
1382 bfd_boolean checked_tlsgd = FALSE;
1384 if (bfd_link_relocatable (info))
1387 htab = _bfd_sparc_elf_hash_table (info);
1388 BFD_ASSERT (htab != NULL);
1389 symtab_hdr = &elf_symtab_hdr (abfd);
1390 sym_hashes = elf_sym_hashes (abfd);
1394 if (ABI_64_P (abfd))
1395 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1397 num_relocs = sec->reloc_count;
1399 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1401 if (htab->elf.dynobj == NULL)
1402 htab->elf.dynobj = abfd;
1403 if (!create_ifunc_sections (htab->elf.dynobj, info))
1406 rel_end = relocs + num_relocs;
1407 for (rel = relocs; rel < rel_end; rel++)
1409 unsigned int r_type;
1410 unsigned int r_symndx;
1411 struct elf_link_hash_entry *h;
1412 struct _bfd_sparc_elf_link_hash_entry *eh;
1413 Elf_Internal_Sym *isym;
1415 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1416 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1418 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1420 /* xgettext:c-format */
1421 _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd, r_symndx);
1426 if (r_symndx < symtab_hdr->sh_info)
1428 /* A local symbol. */
1429 isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd, r_symndx);
1433 /* Check relocation against local STT_GNU_IFUNC symbol. */
1434 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1436 h = elf_sparc_get_local_sym_hash (htab, abfd, rel, TRUE);
1440 /* Fake a STT_GNU_IFUNC symbol. */
1441 h->type = STT_GNU_IFUNC;
1444 h->forced_local = 1;
1445 h->root.type = bfd_link_hash_defined;
1452 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1453 while (h->root.type == bfd_link_hash_indirect
1454 || h->root.type == bfd_link_hash_warning)
1455 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1458 if (h && h->type == STT_GNU_IFUNC && h->def_regular)
1461 h->plt.refcount += 1;
1464 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1465 with R_SPARC_TLS_GD_HI22. */
1466 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1469 case R_SPARC_TLS_GD_HI22:
1471 const Elf_Internal_Rela *relt;
1473 for (relt = rel + 1; relt < rel_end; relt++)
1474 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1475 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1476 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1478 checked_tlsgd = TRUE;
1479 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1482 case R_SPARC_TLS_GD_LO10:
1483 case R_SPARC_TLS_GD_ADD:
1484 case R_SPARC_TLS_GD_CALL:
1485 checked_tlsgd = TRUE;
1486 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1490 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1491 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1495 case R_SPARC_TLS_LDM_HI22:
1496 case R_SPARC_TLS_LDM_LO10:
1497 htab->tls_ldm_got.refcount += 1;
1499 eh->has_got_reloc = 1;
1502 case R_SPARC_TLS_LE_HIX22:
1503 case R_SPARC_TLS_LE_LOX10:
1504 if (!bfd_link_executable (info))
1508 case R_SPARC_TLS_IE_HI22:
1509 case R_SPARC_TLS_IE_LO10:
1510 if (!bfd_link_executable (info))
1511 info->flags |= DF_STATIC_TLS;
1517 case R_SPARC_GOTDATA_HIX22:
1518 case R_SPARC_GOTDATA_LOX10:
1519 case R_SPARC_GOTDATA_OP_HIX22:
1520 case R_SPARC_GOTDATA_OP_LOX10:
1521 case R_SPARC_TLS_GD_HI22:
1522 case R_SPARC_TLS_GD_LO10:
1523 /* This symbol requires a global offset table entry. */
1525 int tls_type, old_tls_type;
1529 case R_SPARC_TLS_GD_HI22:
1530 case R_SPARC_TLS_GD_LO10:
1531 tls_type = GOT_TLS_GD;
1533 case R_SPARC_TLS_IE_HI22:
1534 case R_SPARC_TLS_IE_LO10:
1535 tls_type = GOT_TLS_IE;
1538 tls_type = GOT_NORMAL;
1544 h->got.refcount += 1;
1545 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1549 bfd_signed_vma *local_got_refcounts;
1551 /* This is a global offset table entry for a local symbol. */
1552 local_got_refcounts = elf_local_got_refcounts (abfd);
1553 if (local_got_refcounts == NULL)
1557 size = symtab_hdr->sh_info;
1558 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1559 local_got_refcounts = ((bfd_signed_vma *)
1560 bfd_zalloc (abfd, size));
1561 if (local_got_refcounts == NULL)
1563 elf_local_got_refcounts (abfd) = local_got_refcounts;
1564 _bfd_sparc_elf_local_got_tls_type (abfd)
1565 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1568 if (r_type != R_SPARC_GOTDATA_OP_HIX22
1569 && r_type != R_SPARC_GOTDATA_OP_LOX10)
1570 local_got_refcounts[r_symndx] += 1;
1572 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1575 /* If a TLS symbol is accessed using IE at least once, there is no point
1576 in using the dynamic model for it. */
1577 if (old_tls_type != tls_type)
1579 if (old_tls_type == GOT_UNKNOWN)
1581 else if (old_tls_type == GOT_TLS_GD && tls_type == GOT_TLS_IE)
1583 else if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1584 tls_type = old_tls_type;
1588 /* xgettext:c-format */
1589 (_("%pB: `%s' accessed both as normal and thread local symbol"),
1590 abfd, h ? h->root.root.string : "<local>");
1595 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1597 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1602 && !_bfd_elf_create_got_section (htab->elf.dynobj, info))
1606 eh->has_got_reloc = 1;
1609 case R_SPARC_TLS_GD_CALL:
1610 case R_SPARC_TLS_LDM_CALL:
1611 if (bfd_link_executable (info))
1614 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1615 h = (struct elf_link_hash_entry *)
1616 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
1618 BFD_ASSERT (h != NULL);
1621 case R_SPARC_WPLT30:
1624 case R_SPARC_HIPLT22:
1625 case R_SPARC_LOPLT10:
1626 case R_SPARC_PCPLT32:
1627 case R_SPARC_PCPLT22:
1628 case R_SPARC_PCPLT10:
1629 /* This symbol requires a procedure linkage table entry.
1630 We actually build the entry in adjust_dynamic_symbol,
1631 because this might be a case of linking PIC code without
1632 linking in any dynamic objects, in which case we don't
1633 need to generate a procedure linkage table after all. */
1637 if (! ABI_64_P (abfd))
1639 /* The Solaris native assembler will generate a WPLT30
1640 reloc for a local symbol if you assemble a call from
1641 one section to another when using -K pic. We treat
1643 if (r_type == R_SPARC_PLT32)
1647 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1648 else if (r_type == R_SPARC_WPLT30)
1651 /* It does not make sense to have a procedure linkage
1652 table entry for a local symbol. */
1653 bfd_set_error (bfd_error_bad_value);
1659 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
1662 h->plt.refcount += 1;
1664 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1665 eh->has_got_reloc = 1;
1670 case R_SPARC_PC_HH22:
1671 case R_SPARC_PC_HM10:
1672 case R_SPARC_PC_LM22:
1677 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1682 case R_SPARC_DISP16:
1683 case R_SPARC_DISP32:
1684 case R_SPARC_DISP64:
1685 case R_SPARC_WDISP30:
1686 case R_SPARC_WDISP22:
1687 case R_SPARC_WDISP19:
1688 case R_SPARC_WDISP16:
1689 case R_SPARC_WDISP10:
1719 if (eh != NULL && (sec->flags & SEC_CODE) != 0)
1720 eh->has_non_got_reloc = 1;
1723 if (h != NULL && !bfd_link_pic (info))
1725 /* We may need a .plt entry if the function this reloc
1726 refers to is in a shared lib. */
1727 h->plt.refcount += 1;
1730 /* If we are creating a shared library, and this is a reloc
1731 against a global symbol, or a non PC relative reloc
1732 against a local symbol, then we need to copy the reloc
1733 into the shared library. However, if we are linking with
1734 -Bsymbolic, we do not need to copy a reloc against a
1735 global symbol which is defined in an object we are
1736 including in the link (i.e., DEF_REGULAR is set). At
1737 this point we have not seen all the input files, so it is
1738 possible that DEF_REGULAR is not set now but will be set
1739 later (it is never cleared). In case of a weak definition,
1740 DEF_REGULAR may be cleared later by a strong definition in
1741 a shared library. We account for that possibility below by
1742 storing information in the relocs_copied field of the hash
1743 table entry. A similar situation occurs when creating
1744 shared libraries and symbol visibility changes render the
1747 If on the other hand, we are creating an executable, we
1748 may need to keep relocations for symbols satisfied by a
1749 dynamic library if we manage to avoid copy relocs for the
1751 if ((bfd_link_pic (info)
1752 && (sec->flags & SEC_ALLOC) != 0
1753 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1755 && (! SYMBOLIC_BIND (info, h)
1756 || h->root.type == bfd_link_hash_defweak
1757 || !h->def_regular))))
1758 || (!bfd_link_pic (info)
1759 && (sec->flags & SEC_ALLOC) != 0
1761 && (h->root.type == bfd_link_hash_defweak
1762 || !h->def_regular))
1763 || (!bfd_link_pic (info)
1765 && h->type == STT_GNU_IFUNC))
1767 struct elf_dyn_relocs *p;
1768 struct elf_dyn_relocs **head;
1770 /* When creating a shared object, we must copy these
1771 relocs into the output file. We create a reloc
1772 section in dynobj and make room for the reloc. */
1775 sreloc = _bfd_elf_make_dynamic_reloc_section
1776 (sec, htab->elf.dynobj, htab->word_align_power,
1777 abfd, /*rela?*/ TRUE);
1783 /* If this is a global symbol, we count the number of
1784 relocations we need for this symbol. */
1786 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1789 /* Track dynamic relocs needed for local syms too.
1790 We really need local syms available to do this
1795 BFD_ASSERT (isym != NULL);
1796 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1800 vpp = &elf_section_data (s)->local_dynrel;
1801 head = (struct elf_dyn_relocs **) vpp;
1805 if (p == NULL || p->sec != sec)
1807 bfd_size_type amt = sizeof *p;
1808 p = ((struct elf_dyn_relocs *)
1809 bfd_alloc (htab->elf.dynobj, amt));
1820 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1826 case R_SPARC_GNU_VTINHERIT:
1827 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1831 case R_SPARC_GNU_VTENTRY:
1832 BFD_ASSERT (h != NULL);
1834 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1838 case R_SPARC_REGISTER:
1839 /* Nothing to do. */
1851 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1852 struct bfd_link_info *info,
1853 Elf_Internal_Rela *rel,
1854 struct elf_link_hash_entry *h,
1855 Elf_Internal_Sym *sym)
1858 switch (SPARC_ELF_R_TYPE (rel->r_info))
1860 case R_SPARC_GNU_VTINHERIT:
1861 case R_SPARC_GNU_VTENTRY:
1865 if (!bfd_link_executable (info))
1867 switch (SPARC_ELF_R_TYPE (rel->r_info))
1869 case R_SPARC_TLS_GD_CALL:
1870 case R_SPARC_TLS_LDM_CALL:
1871 /* This reloc implicitly references __tls_get_addr. We know
1872 another reloc will reference the same symbol as the one
1873 on this reloc, so the real symbol and section will be
1874 gc marked when processing the other reloc. That lets
1875 us handle __tls_get_addr here. */
1876 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1877 FALSE, FALSE, TRUE);
1878 BFD_ASSERT (h != NULL);
1880 if (h->is_weakalias)
1881 weakdef (h)->mark = 1;
1886 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1889 static Elf_Internal_Rela *
1890 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1891 Elf_Internal_Rela *relend,
1894 while (rel < relend)
1896 if (rel->r_offset == offset)
1903 /* Remove undefined weak symbol from the dynamic symbol table if it
1904 is resolved to 0. */
1907 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
1908 struct elf_link_hash_entry *h)
1910 if (h->dynindx != -1
1911 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
1912 _bfd_sparc_elf_hash_entry (h)))
1915 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
1921 /* Find dynamic relocs for H that apply to read-only sections. */
1924 readonly_dynrelocs (struct elf_link_hash_entry *h)
1926 struct elf_dyn_relocs *p;
1928 for (p = _bfd_sparc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
1930 asection *s = p->sec->output_section;
1932 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1938 /* Adjust a symbol defined by a dynamic object and referenced by a
1939 regular object. The current definition is in some section of the
1940 dynamic object, but we're not including those sections. We have to
1941 change the definition to something the rest of the link can
1945 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1946 struct elf_link_hash_entry *h)
1948 struct _bfd_sparc_elf_link_hash_table *htab;
1951 htab = _bfd_sparc_elf_hash_table (info);
1952 BFD_ASSERT (htab != NULL);
1954 /* Make sure we know what is going on here. */
1955 BFD_ASSERT (htab->elf.dynobj != NULL
1957 || h->type == STT_GNU_IFUNC
1961 && !h->def_regular)));
1963 /* If this is a function, put it in the procedure linkage table. We
1964 will fill in the contents of the procedure linkage table later
1965 (although we could actually do it here). The STT_NOTYPE
1966 condition is a hack specifically for the Oracle libraries
1967 delivered for Solaris; for some inexplicable reason, they define
1968 some of their functions as STT_NOTYPE when they really should be
1970 if (h->type == STT_FUNC
1971 || h->type == STT_GNU_IFUNC
1973 || (h->type == STT_NOTYPE
1974 && (h->root.type == bfd_link_hash_defined
1975 || h->root.type == bfd_link_hash_defweak)
1976 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1978 if (h->plt.refcount <= 0
1979 || (h->type != STT_GNU_IFUNC
1980 && (SYMBOL_CALLS_LOCAL (info, h)
1981 || (h->root.type == bfd_link_hash_undefweak
1982 && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT))))
1984 /* This case can occur if we saw a WPLT30 reloc in an input
1985 file, but the symbol was never referred to by a dynamic
1986 object, or if all references were garbage collected. In
1987 such a case, we don't actually need to build a procedure
1988 linkage table, and we can just do a WDISP30 reloc instead. */
1989 h->plt.offset = (bfd_vma) -1;
1996 h->plt.offset = (bfd_vma) -1;
1998 /* If this is a weak symbol, and there is a real definition, the
1999 processor independent code will have arranged for us to see the
2000 real definition first, and we can just use the same value. */
2001 if (h->is_weakalias)
2003 struct elf_link_hash_entry *def = weakdef (h);
2004 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2005 h->root.u.def.section = def->root.u.def.section;
2006 h->root.u.def.value = def->root.u.def.value;
2010 /* This is a reference to a symbol defined by a dynamic object which
2011 is not a function. */
2013 /* If we are creating a shared library, we must presume that the
2014 only references to the symbol are via the global offset table.
2015 For such cases we need not do anything here; the relocations will
2016 be handled correctly by relocate_section. */
2017 if (bfd_link_pic (info))
2020 /* If there are no references to this symbol that do not use the
2021 GOT, we don't need to generate a copy reloc. */
2022 if (!h->non_got_ref)
2025 /* If -z nocopyreloc was given, we won't generate them either. */
2026 if (info->nocopyreloc)
2032 /* If we don't find any dynamic relocs in read-only sections, then
2033 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2034 if (!readonly_dynrelocs (h))
2040 /* We must allocate the symbol in our .dynbss section, which will
2041 become part of the .bss section of the executable. There will be
2042 an entry for this symbol in the .dynsym section. The dynamic
2043 object will contain position independent code, so all references
2044 from the dynamic object to this symbol will go through the global
2045 offset table. The dynamic linker will use the .dynsym entry to
2046 determine the address it must put in the global offset table, so
2047 both the dynamic object and the regular object will refer to the
2048 same memory location for the variable. */
2050 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2051 to copy the initial value out of the dynamic object and into the
2052 runtime process image. We need to remember the offset into the
2053 .rel.bss section we are going to use. */
2054 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2056 s = htab->elf.sdynrelro;
2057 srel = htab->elf.sreldynrelro;
2061 s = htab->elf.sdynbss;
2062 srel = htab->elf.srelbss;
2064 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2066 srel->size += SPARC_ELF_RELA_BYTES (htab);
2070 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2073 /* Allocate space in .plt, .got and associated reloc sections for
2077 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2079 struct bfd_link_info *info;
2080 struct _bfd_sparc_elf_link_hash_table *htab;
2081 struct _bfd_sparc_elf_link_hash_entry *eh;
2082 struct elf_dyn_relocs *p;
2083 bfd_boolean resolved_to_zero;
2085 if (h->root.type == bfd_link_hash_indirect)
2088 info = (struct bfd_link_info *) inf;
2089 htab = _bfd_sparc_elf_hash_table (info);
2090 BFD_ASSERT (htab != NULL);
2092 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2093 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
2095 if ((htab->elf.dynamic_sections_created
2096 && h->plt.refcount > 0)
2097 || (h->type == STT_GNU_IFUNC
2101 /* Undefined weak syms won't yet be marked as dynamic. */
2102 if (h->root.type == bfd_link_hash_undefweak
2103 && !resolved_to_zero
2105 && !h->forced_local)
2107 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2111 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2112 || (h->type == STT_GNU_IFUNC
2115 asection *s = htab->elf.splt;
2120 /* Allocate room for the header. */
2123 s->size = htab->plt_header_size;
2125 /* Allocate space for the .rela.plt.unloaded relocations. */
2126 if (htab->is_vxworks && !bfd_link_pic (info))
2127 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2130 /* The procedure linkage table size is bounded by the magnitude
2131 of the offset we can describe in the entry. */
2132 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2133 (((bfd_vma)1 << 31) << 1) : 0x400000))
2135 bfd_set_error (bfd_error_bad_value);
2139 if (SPARC_ELF_WORD_BYTES(htab) == 8
2140 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2142 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2145 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2147 h->plt.offset = (s->size - (off * 8));
2150 h->plt.offset = s->size;
2152 /* If this symbol is not defined in a regular file, and we are
2153 not generating a shared library, then set the symbol to this
2154 location in the .plt. This is required to make function
2155 pointers compare as equal between the normal executable and
2156 the shared library. */
2157 if (! bfd_link_pic (info)
2160 h->root.u.def.section = s;
2161 h->root.u.def.value = h->plt.offset;
2164 /* Make room for this entry. */
2165 s->size += htab->plt_entry_size;
2167 /* There should be no PLT relocations against resolved undefined
2168 weak symbols in the executable. */
2169 if (!resolved_to_zero)
2171 /* We also need to make an entry in the .rela.plt section. */
2172 if (s == htab->elf.splt)
2173 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2175 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2178 if (htab->is_vxworks)
2180 /* Allocate space for the .got.plt entry. */
2181 htab->elf.sgotplt->size += 4;
2183 /* ...and for the .rela.plt.unloaded relocations. */
2184 if (!bfd_link_pic (info))
2185 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2190 h->plt.offset = (bfd_vma) -1;
2196 h->plt.offset = (bfd_vma) -1;
2200 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2201 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2202 if (h->got.refcount > 0
2203 && bfd_link_executable (info)
2205 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2206 h->got.offset = (bfd_vma) -1;
2207 else if (h->got.refcount > 0)
2211 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2213 /* Undefined weak syms won't yet be marked as dynamic. */
2214 if (h->root.type == bfd_link_hash_undefweak
2215 && !resolved_to_zero
2217 && !h->forced_local)
2219 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2224 h->got.offset = s->size;
2225 s->size += SPARC_ELF_WORD_BYTES (htab);
2226 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2227 if (tls_type == GOT_TLS_GD)
2228 s->size += SPARC_ELF_WORD_BYTES (htab);
2229 dyn = htab->elf.dynamic_sections_created;
2230 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2231 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
2232 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2233 || tls_type == GOT_TLS_IE
2234 || h->type == STT_GNU_IFUNC)
2235 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2236 else if (tls_type == GOT_TLS_GD)
2237 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2238 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)
2239 /* Even if the symbol isn't dynamic, we may generate a
2240 reloc for the dynamic linker in PIC mode. */
2241 || (h->dynindx == -1
2243 && h->root.type != bfd_link_hash_undefweak
2244 && bfd_link_pic (info)))
2245 /* No dynamic relocations are needed against resolved
2246 undefined weak symbols in an executable. */
2247 && !(h->root.type == bfd_link_hash_undefweak
2248 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2249 || resolved_to_zero)))
2250 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2253 h->got.offset = (bfd_vma) -1;
2255 if (eh->dyn_relocs == NULL)
2258 /* In the shared -Bsymbolic case, discard space allocated for
2259 dynamic pc-relative relocs against symbols which turn out to be
2260 defined in regular objects. For the normal shared case, discard
2261 space for pc-relative relocs that have become local due to symbol
2262 visibility changes. */
2264 if (bfd_link_pic (info))
2266 if (SYMBOL_CALLS_LOCAL (info, h))
2268 struct elf_dyn_relocs **pp;
2270 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2272 p->count -= p->pc_count;
2281 if (htab->is_vxworks)
2283 struct elf_dyn_relocs **pp;
2285 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2287 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2294 /* Also discard relocs on undefined weak syms with non-default
2295 visibility or in PIE. */
2296 if (eh->dyn_relocs != NULL
2297 && h->root.type == bfd_link_hash_undefweak)
2299 /* An undefined weak symbol is never
2300 bound locally in a shared library. */
2302 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2303 || resolved_to_zero)
2307 /* Keep dynamic non-GOT/non-PLT relocation so that we
2308 can branch to 0 without PLT. */
2309 struct elf_dyn_relocs **pp;
2311 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2312 if (p->pc_count == 0)
2316 /* Remove other relocations. */
2317 p->count = p->pc_count;
2321 if (eh->dyn_relocs != NULL)
2323 /* Make sure undefined weak symbols are output
2324 as dynamic symbols in PIEs for dynamic non-GOT
2325 non-PLT reloations. */
2326 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2331 eh->dyn_relocs = NULL;
2334 /* Make sure undefined weak symbols are output as a dynamic
2336 else if (h->dynindx == -1
2337 && !h->forced_local)
2339 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2346 /* For the non-shared case, discard space for relocs against
2347 symbols which turn out to need copy relocs or are not
2350 if ((!h->non_got_ref
2351 || (h->root.type == bfd_link_hash_undefweak
2352 && !resolved_to_zero))
2355 || (htab->elf.dynamic_sections_created
2356 && (h->root.type == bfd_link_hash_undefweak
2357 || h->root.type == bfd_link_hash_undefined))))
2359 /* Undefined weak syms won't yet be marked as dynamic. */
2360 if (h->root.type == bfd_link_hash_undefweak
2361 && !resolved_to_zero
2363 && !h->forced_local)
2365 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2369 /* If that succeeded, we know we'll be keeping all the
2371 if (h->dynindx != -1)
2375 eh->dyn_relocs = NULL;
2380 /* Finally, allocate space. */
2381 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2383 asection *sreloc = elf_section_data (p->sec)->sreloc;
2384 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2390 /* Allocate space in .plt, .got and associated reloc sections for
2391 local dynamic relocs. */
2394 allocate_local_dynrelocs (void **slot, void *inf)
2396 struct elf_link_hash_entry *h
2397 = (struct elf_link_hash_entry *) *slot;
2399 if (h->type != STT_GNU_IFUNC
2403 || h->root.type != bfd_link_hash_defined)
2406 return allocate_dynrelocs (h, inf);
2409 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2410 read-only sections. */
2413 maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2417 if (h->root.type == bfd_link_hash_indirect)
2420 sec = readonly_dynrelocs (h);
2423 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2425 info->flags |= DF_TEXTREL;
2426 info->callbacks->minfo
2427 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
2428 sec->owner, h->root.root.string, sec);
2430 /* Not an error, just cut short the traversal. */
2436 /* Return true if the dynamic symbol for a given section should be
2437 omitted when creating a shared library. */
2440 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2441 struct bfd_link_info *info,
2444 /* We keep the .got section symbol so that explicit relocations
2445 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2446 can be turned into relocations against the .got symbol. */
2447 if (strcmp (p->name, ".got") == 0)
2450 return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
2453 /* Set the sizes of the dynamic sections. */
2456 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2457 struct bfd_link_info *info)
2459 struct _bfd_sparc_elf_link_hash_table *htab;
2464 htab = _bfd_sparc_elf_hash_table (info);
2465 BFD_ASSERT (htab != NULL);
2466 dynobj = htab->elf.dynobj;
2467 BFD_ASSERT (dynobj != NULL);
2469 if (elf_hash_table (info)->dynamic_sections_created)
2471 /* Set the contents of the .interp section to the interpreter. */
2472 if (bfd_link_executable (info) && !info->nointerp)
2474 s = bfd_get_linker_section (dynobj, ".interp");
2475 BFD_ASSERT (s != NULL);
2476 s->size = htab->dynamic_interpreter_size;
2477 s->contents = (unsigned char *) htab->dynamic_interpreter;
2482 /* Set up .got offsets for local syms, and space for local dynamic
2484 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2486 bfd_signed_vma *local_got;
2487 bfd_signed_vma *end_local_got;
2488 char *local_tls_type;
2489 bfd_size_type locsymcount;
2490 Elf_Internal_Shdr *symtab_hdr;
2493 if (! is_sparc_elf (ibfd))
2496 for (s = ibfd->sections; s != NULL; s = s->next)
2498 struct elf_dyn_relocs *p;
2500 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2502 if (!bfd_is_abs_section (p->sec)
2503 && bfd_is_abs_section (p->sec->output_section))
2505 /* Input section has been discarded, either because
2506 it is a copy of a linkonce section or due to
2507 linker script /DISCARD/, so we'll be discarding
2510 else if (htab->is_vxworks
2511 && strcmp (p->sec->output_section->name,
2514 /* Relocations in vxworks .tls_vars sections are
2515 handled specially by the loader. */
2517 else if (p->count != 0)
2519 srel = elf_section_data (p->sec)->sreloc;
2520 if (!htab->elf.dynamic_sections_created)
2521 srel = htab->elf.irelplt;
2522 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2523 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2525 info->flags |= DF_TEXTREL;
2526 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2527 p->sec->owner, p->sec);
2533 local_got = elf_local_got_refcounts (ibfd);
2537 symtab_hdr = &elf_symtab_hdr (ibfd);
2538 locsymcount = symtab_hdr->sh_info;
2539 end_local_got = local_got + locsymcount;
2540 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2542 srel = htab->elf.srelgot;
2543 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2547 *local_got = s->size;
2548 s->size += SPARC_ELF_WORD_BYTES (htab);
2549 if (*local_tls_type == GOT_TLS_GD)
2550 s->size += SPARC_ELF_WORD_BYTES (htab);
2551 if (bfd_link_pic (info)
2552 || *local_tls_type == GOT_TLS_GD
2553 || *local_tls_type == GOT_TLS_IE)
2554 srel->size += SPARC_ELF_RELA_BYTES (htab);
2557 *local_got = (bfd_vma) -1;
2561 if (htab->tls_ldm_got.refcount > 0)
2563 /* Allocate 2 got entries and 1 dynamic reloc for
2564 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2565 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2566 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2567 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2570 htab->tls_ldm_got.offset = -1;
2572 /* Allocate global sym .plt and .got entries, and space for global
2573 sym dynamic relocs. */
2574 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2576 /* Allocate .plt and .got entries, and space for local symbols. */
2577 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2579 if (! ABI_64_P (output_bfd)
2580 && !htab->is_vxworks
2581 && elf_hash_table (info)->dynamic_sections_created)
2583 /* Make space for the trailing nop in .plt. */
2584 if (htab->elf.splt->size > 0)
2585 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2587 /* If the .got section is more than 0x1000 bytes, we add
2588 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2589 bit relocations have a greater chance of working.
2591 FIXME: Make this optimization work for 64-bit too. */
2592 if (htab->elf.sgot->size >= 0x1000
2593 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2594 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2597 /* The check_relocs and adjust_dynamic_symbol entry points have
2598 determined the sizes of the various dynamic sections. Allocate
2600 for (s = dynobj->sections; s != NULL; s = s->next)
2602 if ((s->flags & SEC_LINKER_CREATED) == 0)
2605 if (s == htab->elf.splt
2606 || s == htab->elf.sgot
2607 || s == htab->elf.sdynbss
2608 || s == htab->elf.sdynrelro
2609 || s == htab->elf.iplt
2610 || s == htab->elf.sgotplt)
2612 /* Strip this section if we don't need it; see the
2615 else if (CONST_STRNEQ (s->name, ".rela"))
2619 /* We use the reloc_count field as a counter if we need
2620 to copy relocs into the output file. */
2626 /* It's not one of our sections. */
2632 /* If we don't need this section, strip it from the
2633 output file. This is mostly to handle .rela.bss and
2634 .rela.plt. We must create both sections in
2635 create_dynamic_sections, because they must be created
2636 before the linker maps input sections to output
2637 sections. The linker does that before
2638 adjust_dynamic_symbol is called, and it is that
2639 function which decides whether anything needs to go
2640 into these sections. */
2641 s->flags |= SEC_EXCLUDE;
2645 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2648 /* Allocate memory for the section contents. Zero the memory
2649 for the benefit of .rela.plt, which has 4 unused entries
2650 at the beginning, and we don't want garbage. */
2651 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2652 if (s->contents == NULL)
2656 if (elf_hash_table (info)->dynamic_sections_created)
2658 /* Add some entries to the .dynamic section. We fill in the
2659 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2660 must add the entries now so that we get the correct size for
2661 the .dynamic section. The DT_DEBUG entry is filled in by the
2662 dynamic linker and used by the debugger. */
2663 #define add_dynamic_entry(TAG, VAL) \
2664 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2666 if (bfd_link_executable (info))
2668 if (!add_dynamic_entry (DT_DEBUG, 0))
2672 if (htab->elf.srelplt->size != 0)
2674 if (!add_dynamic_entry (DT_PLTGOT, 0)
2675 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2676 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2677 || !add_dynamic_entry (DT_JMPREL, 0))
2681 if (!add_dynamic_entry (DT_RELA, 0)
2682 || !add_dynamic_entry (DT_RELASZ, 0)
2683 || !add_dynamic_entry (DT_RELAENT,
2684 SPARC_ELF_RELA_BYTES (htab)))
2687 /* If any dynamic relocs apply to a read-only section,
2688 then we need a DT_TEXTREL entry. */
2689 if ((info->flags & DF_TEXTREL) == 0)
2690 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
2692 if (info->flags & DF_TEXTREL)
2694 if (!add_dynamic_entry (DT_TEXTREL, 0))
2698 if (ABI_64_P (output_bfd))
2701 struct _bfd_sparc_elf_app_reg * app_regs;
2702 struct elf_strtab_hash *dynstr;
2703 struct elf_link_hash_table *eht = elf_hash_table (info);
2705 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2706 entries if needed. */
2707 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2708 dynstr = eht->dynstr;
2710 for (reg = 0; reg < 4; reg++)
2711 if (app_regs [reg].name != NULL)
2713 struct elf_link_local_dynamic_entry *entry, *e;
2715 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2718 entry = (struct elf_link_local_dynamic_entry *)
2719 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2723 /* We cheat here a little bit: the symbol will not be local, so we
2724 put it at the end of the dynlocal linked list. We will fix it
2725 later on, as we have to fix other fields anyway. */
2726 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2727 entry->isym.st_size = 0;
2728 if (*app_regs [reg].name != '\0')
2730 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2732 entry->isym.st_name = 0;
2733 entry->isym.st_other = 0;
2734 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2736 entry->isym.st_shndx = app_regs [reg].shndx;
2737 entry->isym.st_target_internal = 0;
2739 entry->input_bfd = output_bfd;
2740 entry->input_indx = -1;
2742 if (eht->dynlocal == NULL)
2743 eht->dynlocal = entry;
2746 for (e = eht->dynlocal; e->next; e = e->next)
2753 if (htab->is_vxworks
2754 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2757 #undef add_dynamic_entry
2763 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2765 if (!sec->used_by_bfd)
2767 struct _bfd_sparc_elf_section_data *sdata;
2768 bfd_size_type amt = sizeof (*sdata);
2770 sdata = bfd_zalloc (abfd, amt);
2773 sec->used_by_bfd = sdata;
2776 return _bfd_elf_new_section_hook (abfd, sec);
2780 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2781 struct bfd_section *section,
2782 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2785 if (bfd_link_relocatable (link_info))
2786 (*link_info->callbacks->einfo)
2787 (_("%P%F: --relax and -r may not be used together\n"));
2790 sec_do_relax (section) = 1;
2794 /* Return the base VMA address which should be subtracted from real addresses
2795 when resolving @dtpoff relocation.
2796 This is PT_TLS segment p_vaddr. */
2799 dtpoff_base (struct bfd_link_info *info)
2801 /* If tls_sec is NULL, we should have signalled an error already. */
2802 if (elf_hash_table (info)->tls_sec == NULL)
2804 return elf_hash_table (info)->tls_sec->vma;
2807 /* Return the relocation value for @tpoff relocation
2808 if STT_TLS virtual address is ADDRESS. */
2811 tpoff (struct bfd_link_info *info, bfd_vma address)
2813 struct elf_link_hash_table *htab = elf_hash_table (info);
2814 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2815 bfd_vma static_tls_size;
2817 /* If tls_sec is NULL, we should have signalled an error already. */
2818 if (htab->tls_sec == NULL)
2821 /* Consider special static TLS alignment requirements. */
2822 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2823 return address - static_tls_size - htab->tls_sec->vma;
2826 /* Return the relocation value for a %gdop relocation. */
2829 gdopoff (struct bfd_link_info *info, bfd_vma address)
2831 struct elf_link_hash_table *htab = elf_hash_table (info);
2834 got_base = (htab->hgot->root.u.def.value
2835 + htab->hgot->root.u.def.section->output_offset
2836 + htab->hgot->root.u.def.section->output_section->vma);
2838 return address - got_base;
2841 /* Return whether H is local and its ADDRESS is within 4G of
2842 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2843 sethi, xor sequence. */
2846 gdop_relative_offset_ok (struct bfd_link_info *info,
2847 struct elf_link_hash_entry *h,
2848 bfd_vma address ATTRIBUTE_UNUSED)
2850 if (!SYMBOL_REFERENCES_LOCAL (info, h))
2852 /* If H is undefined, ADDRESS will be zero. We can't allow a
2853 relative offset to "zero" when producing PIEs or shared libs.
2854 Note that to get here with an undefined symbol it must also be
2855 hidden or internal visibility. */
2856 if (bfd_link_pic (info)
2858 && (h->root.type == bfd_link_hash_undefweak
2859 || h->root.type == bfd_link_hash_undefined))
2862 return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
2868 /* Relocate a SPARC ELF section. */
2871 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2872 struct bfd_link_info *info,
2874 asection *input_section,
2876 Elf_Internal_Rela *relocs,
2877 Elf_Internal_Sym *local_syms,
2878 asection **local_sections)
2880 struct _bfd_sparc_elf_link_hash_table *htab;
2881 Elf_Internal_Shdr *symtab_hdr;
2882 struct elf_link_hash_entry **sym_hashes;
2883 bfd_vma *local_got_offsets;
2886 Elf_Internal_Rela *rel;
2887 Elf_Internal_Rela *relend;
2889 bfd_boolean is_vxworks_tls;
2891 htab = _bfd_sparc_elf_hash_table (info);
2892 BFD_ASSERT (htab != NULL);
2893 symtab_hdr = &elf_symtab_hdr (input_bfd);
2894 sym_hashes = elf_sym_hashes (input_bfd);
2895 local_got_offsets = elf_local_got_offsets (input_bfd);
2897 if (elf_hash_table (info)->hgot == NULL)
2900 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2902 sreloc = elf_section_data (input_section)->sreloc;
2903 /* We have to handle relocations in vxworks .tls_vars sections
2904 specially, because the dynamic loader is 'weird'. */
2905 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
2906 && !strcmp (input_section->output_section->name,
2910 if (ABI_64_P (output_bfd))
2911 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2913 num_relocs = input_section->reloc_count;
2914 relend = relocs + num_relocs;
2915 for (; rel < relend; rel++)
2917 int r_type, tls_type;
2918 reloc_howto_type *howto;
2919 unsigned long r_symndx;
2920 struct elf_link_hash_entry *h;
2921 struct _bfd_sparc_elf_link_hash_entry *eh;
2922 Elf_Internal_Sym *sym;
2924 bfd_vma relocation, off;
2925 bfd_reloc_status_type r;
2926 bfd_boolean is_plt = FALSE;
2927 bfd_boolean unresolved_reloc;
2928 bfd_boolean resolved_to_zero;
2929 bfd_boolean relative_reloc;
2931 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2932 if (r_type == R_SPARC_GNU_VTINHERIT
2933 || r_type == R_SPARC_GNU_VTENTRY)
2936 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2938 bfd_set_error (bfd_error_bad_value);
2942 howto = _bfd_sparc_elf_howto_table + r_type;
2943 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2947 unresolved_reloc = FALSE;
2948 if (r_symndx < symtab_hdr->sh_info)
2950 sym = local_syms + r_symndx;
2951 sec = local_sections[r_symndx];
2952 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2954 if (!bfd_link_relocatable (info)
2955 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2957 /* Relocate against local STT_GNU_IFUNC symbol. */
2958 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
2963 /* Set STT_GNU_IFUNC symbol value. */
2964 h->root.u.def.value = sym->st_value;
2965 h->root.u.def.section = sec;
2970 bfd_boolean warned, ignored;
2972 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2973 r_symndx, symtab_hdr, sym_hashes,
2975 unresolved_reloc, warned, ignored);
2978 /* To avoid generating warning messages about truncated
2979 relocations, set the relocation's address to be the same as
2980 the start of this section. */
2981 if (input_section->output_section != NULL)
2982 relocation = input_section->output_section->vma;
2988 if (sec != NULL && discarded_section (sec))
2989 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2990 rel, 1, relend, howto, 0, contents);
2992 if (bfd_link_relocatable (info))
2996 && h->type == STT_GNU_IFUNC
3002 if ((input_section->flags & SEC_ALLOC) == 0
3003 || h->plt.offset == (bfd_vma) -1)
3005 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
3006 STT_GNU_IFUNC symbol as STT_FUNC. */
3007 if (elf_section_type (input_section) == SHT_NOTE)
3012 plt_sec = htab->elf.splt;
3014 plt_sec =htab->elf.iplt;
3018 case R_SPARC_GOTDATA_OP:
3021 case R_SPARC_GOTDATA_OP_HIX22:
3022 case R_SPARC_GOTDATA_OP_LOX10:
3023 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3026 howto = _bfd_sparc_elf_howto_table + r_type;
3032 if (htab->elf.sgot == NULL)
3034 off = h->got.offset;
3035 if (off == (bfd_vma) -1)
3037 relocation = htab->elf.sgot->output_offset + off - got_base;
3040 case R_SPARC_WPLT30:
3041 case R_SPARC_WDISP30:
3042 relocation = (plt_sec->output_section->vma
3043 + plt_sec->output_offset + h->plt.offset);
3048 if (bfd_link_pic (info) && h->non_got_ref)
3050 Elf_Internal_Rela outrel;
3053 offset = _bfd_elf_section_offset (output_bfd, info,
3056 if (offset == (bfd_vma) -1
3057 || offset == (bfd_vma) -2)
3060 outrel.r_offset = (input_section->output_section->vma
3061 + input_section->output_offset
3064 if (h->dynindx == -1
3066 || bfd_link_executable (info))
3068 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3069 0, R_SPARC_IRELATIVE);
3070 outrel.r_addend = relocation + rel->r_addend;
3074 if (h->dynindx == -1)
3076 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3077 outrel.r_addend = rel->r_addend;
3080 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3084 relocation = (plt_sec->output_section->vma
3085 + plt_sec->output_offset + h->plt.offset);
3090 /* We should only see such relocs in static links. */
3091 if (bfd_link_pic (info))
3093 relocation = (plt_sec->output_section->vma
3094 + plt_sec->output_offset + h->plt.offset);
3098 if (h->root.root.string)
3099 name = h->root.root.string;
3101 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3104 /* xgettext:c-format */
3105 (_("%pB: relocation %s against STT_GNU_IFUNC "
3106 "symbol `%s' isn't handled by %s"), input_bfd,
3107 _bfd_sparc_elf_howto_table[r_type].name,
3108 name, __FUNCTION__);
3109 bfd_set_error (bfd_error_bad_value);
3115 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
3116 resolved_to_zero = eh && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
3120 case R_SPARC_GOTDATA_OP_HIX22:
3121 case R_SPARC_GOTDATA_OP_LOX10:
3122 if (gdop_relative_offset_ok (info, h, relocation))
3124 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3125 ? R_SPARC_GOTDATA_HIX22
3126 : R_SPARC_GOTDATA_LOX10);
3127 howto = _bfd_sparc_elf_howto_table + r_type;
3131 case R_SPARC_GOTDATA_OP:
3132 if (gdop_relative_offset_ok (info, h, relocation))
3134 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3136 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3137 relocation = 0x80000000 | (insn & 0x3e07c01f);
3138 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3140 /* If the symbol is global but not dynamic, an .rela.* slot has
3141 been allocated for it in the GOT so output R_SPARC_NONE here.
3142 See also the handling of other GOT relocations just below. */
3146 && h->root.type != bfd_link_hash_undefweak
3147 && (h->got.offset & 1) == 0
3148 && bfd_link_pic (info))
3150 asection *s = htab->elf.srelgot;
3151 Elf_Internal_Rela outrel;
3153 BFD_ASSERT (s != NULL);
3155 memset (&outrel, 0, sizeof outrel);
3156 sparc_elf_append_rela (output_bfd, s, &outrel);
3165 case R_SPARC_GOTDATA_HIX22:
3166 case R_SPARC_GOTDATA_LOX10:
3167 relocation = gdopoff (info, relocation);
3170 case R_SPARC_GOTDATA_OP_HIX22:
3171 case R_SPARC_GOTDATA_OP_LOX10:
3175 /* Relocation is to the entry for this symbol in the global
3177 if (htab->elf.sgot == NULL)
3180 relative_reloc = FALSE;
3185 off = h->got.offset;
3186 BFD_ASSERT (off != (bfd_vma) -1);
3187 dyn = elf_hash_table (info)->dynamic_sections_created;
3189 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3190 bfd_link_pic (info),
3192 || (bfd_link_pic (info)
3193 && SYMBOL_REFERENCES_LOCAL (info, h)))
3195 /* This is actually a static link, or it is a
3196 -Bsymbolic link and the symbol is defined
3197 locally, or the symbol was forced to be local
3198 because of a version file. We must initialize
3199 this entry in the global offset table. Since the
3200 offset must always be a multiple of 8 for 64-bit
3201 and 4 for 32-bit, we use the least significant bit
3202 to record whether we have initialized it already.
3204 When doing a dynamic link, we create a .rela.got
3205 relocation entry to initialize the value. This
3206 is done in the finish_dynamic_symbol routine. */
3211 /* If this symbol isn't dynamic in PIC mode, treat it
3212 like a local symbol in PIC mode below. */
3213 if (h->dynindx == -1
3215 && h->root.type != bfd_link_hash_undefweak
3216 && bfd_link_pic (info))
3217 relative_reloc = TRUE;
3219 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3220 htab->elf.sgot->contents + off);
3225 unresolved_reloc = FALSE;
3229 BFD_ASSERT (local_got_offsets != NULL
3230 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3232 off = local_got_offsets[r_symndx];
3234 /* The offset must always be a multiple of 8 on 64-bit and
3235 4 on 32-bit. We use the least significant bit to record
3236 whether we have already processed this entry. */
3241 /* For a local symbol in PIC mode, we need to generate a
3242 R_SPARC_RELATIVE reloc for the dynamic linker. */
3243 if (bfd_link_pic (info))
3244 relative_reloc = TRUE;
3246 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3247 htab->elf.sgot->contents + off);
3248 local_got_offsets[r_symndx] |= 1;
3254 asection *s = htab->elf.srelgot;
3255 Elf_Internal_Rela outrel;
3257 BFD_ASSERT (s != NULL);
3259 outrel.r_offset = (htab->elf.sgot->output_section->vma
3260 + htab->elf.sgot->output_offset
3262 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3263 0, R_SPARC_RELATIVE);
3264 outrel.r_addend = relocation;
3265 sparc_elf_append_rela (output_bfd, s, &outrel);
3266 /* Versions of glibc ld.so at least up to 2.26 wrongly
3267 add the section contents to the value calculated for
3268 a RELATIVE reloc. Zero the contents to work around
3271 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3272 htab->elf.sgot->contents + off);
3275 relocation = htab->elf.sgot->output_offset + off - got_base;
3280 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3282 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3287 case R_SPARC_WPLT30:
3288 case R_SPARC_HIPLT22:
3289 case R_SPARC_LOPLT10:
3290 case R_SPARC_PCPLT32:
3291 case R_SPARC_PCPLT22:
3292 case R_SPARC_PCPLT10:
3294 /* Relocation is to the entry for this symbol in the
3295 procedure linkage table. */
3297 if (! ABI_64_P (output_bfd))
3299 /* The Solaris native assembler will generate a WPLT30 reloc
3300 for a local symbol if you assemble a call from one
3301 section to another when using -K pic. We treat it as
3306 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3307 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3311 BFD_ASSERT (h != NULL);
3314 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3316 /* We didn't make a PLT entry for this symbol. This
3317 happens when statically linking PIC code, or when
3318 using -Bsymbolic. */
3322 relocation = (htab->elf.splt->output_section->vma
3323 + htab->elf.splt->output_offset
3325 unresolved_reloc = FALSE;
3326 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3328 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3336 case R_SPARC_PC_HH22:
3337 case R_SPARC_PC_HM10:
3338 case R_SPARC_PC_LM22:
3340 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3344 case R_SPARC_DISP16:
3345 case R_SPARC_DISP32:
3346 case R_SPARC_DISP64:
3347 case R_SPARC_WDISP30:
3348 case R_SPARC_WDISP22:
3349 case R_SPARC_WDISP19:
3350 case R_SPARC_WDISP16:
3351 case R_SPARC_WDISP10:
3379 if ((input_section->flags & SEC_ALLOC) == 0 || is_vxworks_tls)
3382 /* Copy dynamic function pointer relocations. Don't generate
3383 dynamic relocations against resolved undefined weak symbols
3385 if ((bfd_link_pic (info)
3387 || !(h->root.type == bfd_link_hash_undefweak
3388 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3389 || resolved_to_zero)))
3390 && (! howto->pc_relative
3391 || !SYMBOL_CALLS_LOCAL (info, h)))
3392 || (!bfd_link_pic (info)
3398 || (h->root.type == bfd_link_hash_undefweak
3399 && !resolved_to_zero)
3400 || h->root.type == bfd_link_hash_undefined)))
3402 Elf_Internal_Rela outrel;
3403 bfd_boolean skip, relocate = FALSE;
3405 /* When generating a shared object, these relocations
3406 are copied into the output file to be resolved at run
3409 BFD_ASSERT (sreloc != NULL);
3414 _bfd_elf_section_offset (output_bfd, info, input_section,
3416 if (outrel.r_offset == (bfd_vma) -1)
3418 else if (outrel.r_offset == (bfd_vma) -2)
3419 skip = TRUE, relocate = TRUE;
3420 outrel.r_offset += (input_section->output_section->vma
3421 + input_section->output_offset);
3423 /* Optimize unaligned reloc usage now that we know where
3424 it finally resides. */
3428 if (outrel.r_offset & 1)
3429 r_type = R_SPARC_UA16;
3432 if (!(outrel.r_offset & 1))
3433 r_type = R_SPARC_16;
3436 if (outrel.r_offset & 3)
3437 r_type = R_SPARC_UA32;
3440 if (!(outrel.r_offset & 3))
3441 r_type = R_SPARC_32;
3444 if (outrel.r_offset & 7)
3445 r_type = R_SPARC_UA64;
3448 if (!(outrel.r_offset & 7))
3449 r_type = R_SPARC_64;
3452 case R_SPARC_DISP16:
3453 case R_SPARC_DISP32:
3454 case R_SPARC_DISP64:
3455 /* If the symbol is not dynamic, we should not keep
3456 a dynamic relocation. But an .rela.* slot has been
3457 allocated for it, output R_SPARC_NONE.
3458 FIXME: Add code tracking needed dynamic relocs as
3460 if (h->dynindx == -1)
3461 skip = TRUE, relocate = TRUE;
3466 memset (&outrel, 0, sizeof outrel);
3467 /* h->dynindx may be -1 if the symbol was marked to
3471 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3472 || !bfd_link_pic (info)
3473 || !SYMBOLIC_BIND (info, h)
3474 || !h->def_regular))
3476 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3477 outrel.r_addend = rel->r_addend;
3481 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3482 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
3484 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3485 0, R_SPARC_RELATIVE);
3486 outrel.r_addend = relocation + rel->r_addend;
3492 outrel.r_addend = relocation + rel->r_addend;
3495 sec = htab->elf.splt;
3497 if (bfd_is_abs_section (sec))
3499 else if (sec == NULL || sec->owner == NULL)
3501 bfd_set_error (bfd_error_bad_value);
3508 /* We are turning this relocation into one
3509 against a section symbol. It would be
3510 proper to subtract the symbol's value,
3511 osec->vma, from the emitted reloc addend,
3512 but ld.so expects buggy relocs. */
3513 osec = sec->output_section;
3514 indx = elf_section_data (osec)->dynindx;
3518 osec = htab->elf.text_index_section;
3519 indx = elf_section_data (osec)->dynindx;
3522 /* FIXME: we really should be able to link non-pic
3523 shared libraries. */
3528 (_("%pB: probably compiled without -fPIC?"),
3530 bfd_set_error (bfd_error_bad_value);
3535 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3540 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3542 /* This reloc will be computed at runtime, so there's no
3543 need to do anything now. */
3549 case R_SPARC_TLS_GD_HI22:
3550 case R_SPARC_TLS_GD_LO10:
3551 case R_SPARC_TLS_IE_HI22:
3552 case R_SPARC_TLS_IE_LO10:
3553 r_type = sparc_elf_tls_transition (info, input_bfd, r_type,
3554 h == NULL || h->dynindx == -1);
3555 if (r_type == R_SPARC_REV32)
3558 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3559 else if (local_got_offsets)
3560 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3562 tls_type = GOT_UNKNOWN;
3563 if (tls_type == GOT_TLS_IE)
3566 case R_SPARC_TLS_GD_HI22:
3567 r_type = R_SPARC_TLS_IE_HI22;
3569 case R_SPARC_TLS_GD_LO10:
3570 r_type = R_SPARC_TLS_IE_LO10;
3574 if (r_type == R_SPARC_TLS_LE_HIX22)
3576 relocation = tpoff (info, relocation);
3579 if (r_type == R_SPARC_TLS_LE_LOX10)
3581 /* Change add into xor. */
3582 relocation = tpoff (info, relocation);
3583 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3584 contents + rel->r_offset)
3585 | 0x80182000), contents + rel->r_offset);
3591 off = h->got.offset;
3596 BFD_ASSERT (local_got_offsets != NULL);
3597 off = local_got_offsets[r_symndx];
3598 local_got_offsets[r_symndx] |= 1;
3602 if (htab->elf.sgot == NULL)
3609 Elf_Internal_Rela outrel;
3612 if (htab->elf.srelgot == NULL)
3615 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3616 htab->elf.sgot->contents + off);
3617 outrel.r_offset = (htab->elf.sgot->output_section->vma
3618 + htab->elf.sgot->output_offset + off);
3619 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3620 if (r_type == R_SPARC_TLS_IE_HI22
3621 || r_type == R_SPARC_TLS_IE_LO10)
3622 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3624 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3625 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3626 outrel.r_addend = relocation - dtpoff_base (info);
3628 outrel.r_addend = 0;
3629 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3630 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3632 if (r_type == R_SPARC_TLS_GD_HI22
3633 || r_type == R_SPARC_TLS_GD_LO10)
3637 BFD_ASSERT (! unresolved_reloc);
3638 SPARC_ELF_PUT_WORD (htab, output_bfd,
3639 relocation - dtpoff_base (info),
3640 (htab->elf.sgot->contents + off
3641 + SPARC_ELF_WORD_BYTES (htab)));
3645 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3646 (htab->elf.sgot->contents + off
3647 + SPARC_ELF_WORD_BYTES (htab)));
3648 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3649 SPARC_ELF_DTPOFF_RELOC (htab));
3650 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3651 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3655 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3657 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3658 (htab->elf.sgot->contents + off
3659 + SPARC_ELF_WORD_BYTES (htab)));
3663 if (off >= (bfd_vma) -2)
3666 relocation = htab->elf.sgot->output_offset + off - got_base;
3667 unresolved_reloc = FALSE;
3668 howto = _bfd_sparc_elf_howto_table + r_type;
3671 case R_SPARC_TLS_LDM_HI22:
3672 case R_SPARC_TLS_LDM_LO10:
3674 if (bfd_link_executable (info))
3676 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3679 off = htab->tls_ldm_got.offset;
3680 htab->tls_ldm_got.offset |= 1;
3681 goto r_sparc_tlsldm;
3683 case R_SPARC_TLS_LDO_HIX22:
3684 case R_SPARC_TLS_LDO_LOX10:
3686 if (bfd_link_executable (info))
3688 if (r_type == R_SPARC_TLS_LDO_HIX22)
3689 r_type = R_SPARC_TLS_LE_HIX22;
3691 r_type = R_SPARC_TLS_LE_LOX10;
3695 relocation -= dtpoff_base (info);
3700 case R_SPARC_TLS_LE_HIX22:
3701 case R_SPARC_TLS_LE_LOX10:
3702 if (!bfd_link_executable (info))
3704 Elf_Internal_Rela outrel;
3706 = _bfd_elf_section_offset (output_bfd, info, input_section,
3708 if (offset == (bfd_vma) -1 || offset == (bfd_vma) -2)
3709 memset (&outrel, 0, sizeof outrel);
3712 outrel.r_offset = offset
3713 + input_section->output_section->vma
3714 + input_section->output_offset;
3715 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3717 = relocation - dtpoff_base (info) + rel->r_addend;
3720 BFD_ASSERT (sreloc != NULL);
3721 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3724 relocation = tpoff (info, relocation);
3727 case R_SPARC_TLS_LDM_CALL:
3729 if (bfd_link_executable (info))
3732 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3737 case R_SPARC_TLS_GD_CALL:
3739 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3740 else if (local_got_offsets)
3741 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3743 tls_type = GOT_UNKNOWN;
3744 /* GD -> IE or LE */
3745 if (bfd_link_executable (info)
3746 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3748 Elf_Internal_Rela *rel2;
3752 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3754 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3759 if (rel + 1 < relend
3760 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3761 && rel[1].r_offset == rel->r_offset + 4
3762 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3763 && (((insn = bfd_get_32 (input_bfd,
3764 contents + rel[1].r_offset))
3765 >> 25) & 0x1f) == 8)
3768 call __tls_get_addr, %tgd_call(foo)
3769 add %reg1, %reg2, %o0, %tgd_add(foo)
3770 and change it into IE:
3771 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3772 add %g7, %o0, %o0, %tie_add(foo).
3773 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3774 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3775 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3776 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3777 contents + rel->r_offset);
3778 bfd_put_32 (output_bfd, 0x9001c008,
3779 contents + rel->r_offset + 4);
3784 /* We cannot just overwrite the delay slot instruction,
3785 as it might be what puts the %o0 argument to
3786 __tls_get_addr into place. So we have to transpose
3787 the delay slot with the add we patch in. */
3788 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3789 bfd_put_32 (output_bfd, insn,
3790 contents + rel->r_offset);
3791 bfd_put_32 (output_bfd, 0x9001c008,
3792 contents + rel->r_offset + 4);
3795 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3799 /* If the instruction we moved has a relocation attached to
3800 it, adjust the offset so that it will apply to the correct
3802 rel2->r_offset -= 4;
3807 h = (struct elf_link_hash_entry *)
3808 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3810 BFD_ASSERT (h != NULL);
3811 r_type = R_SPARC_WPLT30;
3812 howto = _bfd_sparc_elf_howto_table + r_type;
3813 goto r_sparc_wplt30;
3815 case R_SPARC_TLS_GD_ADD:
3817 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3818 else if (local_got_offsets)
3819 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3821 tls_type = GOT_UNKNOWN;
3822 /* GD -> IE or LE */
3823 if (bfd_link_executable (info) || tls_type == GOT_TLS_IE)
3825 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3827 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3829 add %g7, %reg2, %reg3. */
3830 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3831 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3832 relocation = (insn & ~0x7c000) | 0x1c000;
3834 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3835 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3839 case R_SPARC_TLS_LDM_ADD:
3841 if (bfd_link_executable (info))
3842 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3845 case R_SPARC_TLS_LDO_ADD:
3847 if (bfd_link_executable (info))
3849 /* Change rs1 into %g7. */
3850 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3851 insn = (insn & ~0x7c000) | 0x1c000;
3852 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3856 case R_SPARC_TLS_IE_LD:
3857 case R_SPARC_TLS_IE_LDX:
3859 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3861 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3862 int rs2 = insn & 0x1f;
3863 int rd = (insn >> 25) & 0x1f;
3866 relocation = SPARC_NOP;
3868 relocation = 0x80100000 | (insn & 0x3e00001f);
3869 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3873 case R_SPARC_TLS_IE_ADD:
3874 /* Totally useless relocation. */
3877 case R_SPARC_TLS_DTPOFF32:
3878 case R_SPARC_TLS_DTPOFF64:
3879 relocation -= dtpoff_base (info);
3886 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3887 because such sections are not SEC_ALLOC and thus ld.so will
3888 not process them. */
3889 if (unresolved_reloc
3890 && !((input_section->flags & SEC_DEBUGGING) != 0
3892 && _bfd_elf_section_offset (output_bfd, info, input_section,
3893 rel->r_offset) != (bfd_vma) -1)
3895 /* xgettext:c-format */
3896 (_("%pB(%pA+%#" PRIx64 "): "
3897 "unresolvable %s relocation against symbol `%s'"),
3900 (uint64_t) rel->r_offset,
3902 h->root.root.string);
3904 r = bfd_reloc_continue;
3905 if (r_type == R_SPARC_OLO10)
3909 if (! ABI_64_P (output_bfd))
3912 relocation += rel->r_addend;
3913 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3915 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3916 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3917 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3919 r = bfd_check_overflow (howto->complain_on_overflow,
3920 howto->bitsize, howto->rightshift,
3921 bfd_arch_bits_per_address (input_bfd),
3924 else if (r_type == R_SPARC_WDISP16)
3928 relocation += rel->r_addend;
3929 relocation -= (input_section->output_section->vma
3930 + input_section->output_offset);
3931 relocation -= rel->r_offset;
3933 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3934 x |= ((((relocation >> 2) & 0xc000) << 6)
3935 | ((relocation >> 2) & 0x3fff));
3936 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3938 r = bfd_check_overflow (howto->complain_on_overflow,
3939 howto->bitsize, howto->rightshift,
3940 bfd_arch_bits_per_address (input_bfd),
3943 else if (r_type == R_SPARC_WDISP10)
3947 relocation += rel->r_addend;
3948 relocation -= (input_section->output_section->vma
3949 + input_section->output_offset);
3950 relocation -= rel->r_offset;
3952 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3953 x |= ((((relocation >> 2) & 0x300) << 11)
3954 | (((relocation >> 2) & 0xff) << 5));
3955 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3957 r = bfd_check_overflow (howto->complain_on_overflow,
3958 howto->bitsize, howto->rightshift,
3959 bfd_arch_bits_per_address (input_bfd),
3962 else if (r_type == R_SPARC_REV32)
3966 relocation = relocation + rel->r_addend;
3968 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3970 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3973 else if (r_type == R_SPARC_TLS_LDO_HIX22
3974 || r_type == R_SPARC_TLS_LE_HIX22)
3978 relocation += rel->r_addend;
3979 if (r_type == R_SPARC_TLS_LE_HIX22)
3980 relocation ^= MINUS_ONE;
3982 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3983 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3984 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3987 else if (r_type == R_SPARC_TLS_LDO_LOX10
3988 || r_type == R_SPARC_TLS_LE_LOX10)
3992 relocation += rel->r_addend;
3993 relocation &= 0x3ff;
3994 if (r_type == R_SPARC_TLS_LE_LOX10)
3995 relocation |= 0x1c00;
3997 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3998 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3999 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4003 else if (r_type == R_SPARC_HIX22
4004 || r_type == R_SPARC_GOTDATA_HIX22
4005 || r_type == R_SPARC_GOTDATA_OP_HIX22)
4009 relocation += rel->r_addend;
4010 if (r_type == R_SPARC_HIX22
4011 || (bfd_signed_vma) relocation < 0)
4012 relocation = relocation ^ MINUS_ONE;
4014 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4015 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4016 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4018 r = bfd_check_overflow (howto->complain_on_overflow,
4019 howto->bitsize, howto->rightshift,
4020 bfd_arch_bits_per_address (input_bfd),
4023 else if (r_type == R_SPARC_LOX10
4024 || r_type == R_SPARC_GOTDATA_LOX10
4025 || r_type == R_SPARC_GOTDATA_OP_LOX10)
4029 relocation += rel->r_addend;
4030 if (r_type == R_SPARC_LOX10
4031 || (bfd_signed_vma) relocation < 0)
4032 relocation = (relocation & 0x3ff) | 0x1c00;
4034 relocation = (relocation & 0x3ff);
4036 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4037 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4038 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4042 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4043 && sec_do_relax (input_section)
4044 && rel->r_offset + 4 < input_section->size)
4048 #define XCC (2 << 20)
4049 #define COND(x) (((x)&0xf)<<25)
4050 #define CONDA COND(0x8)
4051 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4052 #define INSN_BA (F2(0,2) | CONDA)
4053 #define INSN_OR F3(2, 0x2, 0)
4054 #define INSN_NOP F2(0,4)
4058 /* If the instruction is a call with either:
4060 arithmetic instruction with rd == %o7
4061 where rs1 != %o7 and rs2 if it is register != %o7
4062 then we can optimize if the call destination is near
4063 by changing the call into a branch always. */
4064 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4065 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4066 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4068 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4069 || ((y & OP3(0x28)) == 0 /* arithmetic */
4070 && (y & RD(~0)) == RD(O7)))
4071 && (y & RS1(~0)) != RS1(O7)
4073 || (y & RS2(~0)) != RS2(O7)))
4077 reloc = relocation + rel->r_addend - rel->r_offset;
4078 reloc -= (input_section->output_section->vma
4079 + input_section->output_offset);
4081 /* Ensure the branch fits into simm22. */
4082 if ((reloc & 3) == 0
4083 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4084 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4088 /* Check whether it fits into simm19. */
4089 if (((reloc & 0x3c0000) == 0
4090 || (reloc & 0x3c0000) == 0x3c0000)
4091 && (ABI_64_P (output_bfd)
4092 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4093 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4095 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4096 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4098 if (rel->r_offset >= 4
4099 && (y & (0xffffffff ^ RS1(~0)))
4100 == (INSN_OR | RD(O7) | RS2(G0)))
4105 z = bfd_get_32 (input_bfd,
4106 contents + rel->r_offset - 4);
4107 if ((z & (0xffffffff ^ RD(~0)))
4108 != (INSN_OR | RS1(O7) | RS2(G0)))
4116 If call foo was replaced with ba, replace
4117 or %rN, %g0, %o7 with nop. */
4119 reg = (y & RS1(~0)) >> 14;
4120 if (reg != ((z & RD(~0)) >> 25)
4121 || reg == G0 || reg == O7)
4124 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4125 contents + rel->r_offset + 4);
4133 if (r == bfd_reloc_continue)
4136 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4137 contents, rel->r_offset,
4138 relocation, rel->r_addend);
4140 if (r != bfd_reloc_ok)
4145 case bfd_reloc_outofrange:
4147 case bfd_reloc_overflow:
4151 /* The Solaris native linker silently disregards overflows.
4152 We don't, but this breaks stabs debugging info, whose
4153 relocations are only 32-bits wide. Ignore overflows in
4154 this case and also for discarded entries. */
4155 if ((r_type == R_SPARC_32
4156 || r_type == R_SPARC_UA32
4157 || r_type == R_SPARC_DISP32)
4158 && (((input_section->flags & SEC_DEBUGGING) != 0
4159 && strcmp (bfd_section_name (input_bfd,
4162 || _bfd_elf_section_offset (output_bfd, info,
4170 /* Assume this is a call protected by other code that
4171 detect the symbol is undefined. If this is the case,
4172 we can safely ignore the overflow. If not, the
4173 program is hosed anyway, and a little warning isn't
4175 if (h->root.type == bfd_link_hash_undefweak
4176 && howto->pc_relative)
4183 name = bfd_elf_string_from_elf_section (input_bfd,
4184 symtab_hdr->sh_link,
4189 name = bfd_section_name (input_bfd, sec);
4191 (*info->callbacks->reloc_overflow)
4192 (info, (h ? &h->root : NULL), name, howto->name,
4193 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4203 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4204 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4205 is the offset of the associated .got.plt entry from
4206 _GLOBAL_OFFSET_TABLE_. */
4209 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4210 bfd_vma plt_offset, bfd_vma plt_index,
4214 const bfd_vma *plt_entry;
4215 struct _bfd_sparc_elf_link_hash_table *htab;
4217 Elf_Internal_Rela rela;
4219 htab = _bfd_sparc_elf_hash_table (info);
4220 BFD_ASSERT (htab != NULL);
4222 if (bfd_link_pic (info))
4224 plt_entry = sparc_vxworks_shared_plt_entry;
4229 plt_entry = sparc_vxworks_exec_plt_entry;
4230 got_base = (htab->elf.hgot->root.u.def.value
4231 + htab->elf.hgot->root.u.def.section->output_offset
4232 + htab->elf.hgot->root.u.def.section->output_section->vma);
4235 /* Fill in the entry in the procedure linkage table. */
4236 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4237 htab->elf.splt->contents + plt_offset);
4238 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4239 htab->elf.splt->contents + plt_offset + 4);
4240 bfd_put_32 (output_bfd, plt_entry[2],
4241 htab->elf.splt->contents + plt_offset + 8);
4242 bfd_put_32 (output_bfd, plt_entry[3],
4243 htab->elf.splt->contents + plt_offset + 12);
4244 bfd_put_32 (output_bfd, plt_entry[4],
4245 htab->elf.splt->contents + plt_offset + 16);
4246 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4247 htab->elf.splt->contents + plt_offset + 20);
4248 /* PC-relative displacement for a branch to the start of
4250 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4252 htab->elf.splt->contents + plt_offset + 24);
4253 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4254 htab->elf.splt->contents + plt_offset + 28);
4256 /* Fill in the .got.plt entry, pointing initially at the
4257 second half of the PLT entry. */
4258 BFD_ASSERT (htab->elf.sgotplt != NULL);
4259 bfd_put_32 (output_bfd,
4260 htab->elf.splt->output_section->vma
4261 + htab->elf.splt->output_offset
4263 htab->elf.sgotplt->contents + got_offset);
4265 /* Add relocations to .rela.plt.unloaded. */
4266 if (!bfd_link_pic (info))
4268 loc = (htab->srelplt2->contents
4269 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4271 /* Relocate the initial sethi. */
4272 rela.r_offset = (htab->elf.splt->output_section->vma
4273 + htab->elf.splt->output_offset
4275 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4276 rela.r_addend = got_offset;
4277 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4278 loc += sizeof (Elf32_External_Rela);
4280 /* Likewise the following or. */
4282 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4283 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4284 loc += sizeof (Elf32_External_Rela);
4286 /* Relocate the .got.plt entry. */
4287 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4288 + htab->elf.sgotplt->output_offset
4290 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4291 rela.r_addend = plt_offset + 20;
4292 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4296 /* Finish up dynamic symbol handling. We set the contents of various
4297 dynamic sections here. */
4300 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4301 struct bfd_link_info *info,
4302 struct elf_link_hash_entry *h,
4303 Elf_Internal_Sym *sym)
4305 struct _bfd_sparc_elf_link_hash_table *htab;
4306 const struct elf_backend_data *bed;
4307 struct _bfd_sparc_elf_link_hash_entry *eh;
4308 bfd_boolean resolved_to_zero;
4310 htab = _bfd_sparc_elf_hash_table (info);
4311 BFD_ASSERT (htab != NULL);
4312 bed = get_elf_backend_data (output_bfd);
4314 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
4316 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4317 resolved undefined weak symbols in executable so that their
4318 references have value 0 at run-time. */
4319 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
4321 if (h->plt.offset != (bfd_vma) -1)
4325 Elf_Internal_Rela rela;
4327 bfd_vma r_offset, got_offset;
4330 /* When building a static executable, use .iplt and
4331 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4332 if (htab->elf.splt != NULL)
4334 splt = htab->elf.splt;
4335 srela = htab->elf.srelplt;
4339 splt = htab->elf.iplt;
4340 srela = htab->elf.irelplt;
4343 if (splt == NULL || srela == NULL)
4346 /* Fill in the entry in the .rela.plt section. */
4347 if (htab->is_vxworks)
4349 /* Work out the index of this PLT entry. */
4350 rela_index = ((h->plt.offset - htab->plt_header_size)
4351 / htab->plt_entry_size);
4353 /* Calculate the offset of the associated .got.plt entry.
4354 The first three entries are reserved. */
4355 got_offset = (rela_index + 3) * 4;
4357 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4358 rela_index, got_offset);
4361 /* On VxWorks, the relocation points to the .got.plt entry,
4362 not the .plt entry. */
4363 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4364 + htab->elf.sgotplt->output_offset
4367 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4372 bfd_boolean ifunc = FALSE;
4374 /* Fill in the entry in the procedure linkage table. */
4375 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4376 h->plt.offset, splt->size,
4381 || ((bfd_link_executable (info)
4382 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4384 && h->type == STT_GNU_IFUNC))
4387 BFD_ASSERT (h == NULL
4388 || (h->type == STT_GNU_IFUNC
4390 && (h->root.type == bfd_link_hash_defined
4391 || h->root.type == bfd_link_hash_defweak)));
4394 rela.r_offset = r_offset
4395 + (splt->output_section->vma + splt->output_offset);
4396 if (ABI_64_P (output_bfd)
4397 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4401 rela.r_addend = (h->root.u.def.section->output_section->vma
4402 + h->root.u.def.section->output_offset
4403 + h->root.u.def.value);
4404 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4409 rela.r_addend = (-(h->plt.offset + 4)
4410 - splt->output_section->vma
4411 - splt->output_offset);
4412 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4420 rela.r_addend = (h->root.u.def.section->output_section->vma
4421 + h->root.u.def.section->output_offset
4422 + h->root.u.def.value);
4423 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4429 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4435 /* Adjust for the first 4 reserved elements in the .plt section
4436 when setting the offset in the .rela.plt section.
4437 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4438 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4440 loc = srela->contents;
4441 loc += rela_index * bed->s->sizeof_rela;
4442 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4444 if (!resolved_to_zero && !h->def_regular)
4446 /* Mark the symbol as undefined, rather than as defined in
4447 the .plt section. Leave the value alone. */
4448 sym->st_shndx = SHN_UNDEF;
4449 /* If the symbol is weak, we do need to clear the value.
4450 Otherwise, the PLT entry would provide a definition for
4451 the symbol even if the symbol wasn't defined anywhere,
4452 and so the symbol would never be NULL. */
4453 if (!h->ref_regular_nonweak)
4458 /* Don't generate dynamic GOT relocation against resolved undefined weak
4459 symbols in an executable. */
4460 if (h->got.offset != (bfd_vma) -1
4461 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4462 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
4463 && !(h->root.type == bfd_link_hash_undefweak
4464 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
4465 || resolved_to_zero)))
4469 Elf_Internal_Rela rela;
4471 /* This symbol has an entry in the GOT. Set it up. */
4473 sgot = htab->elf.sgot;
4474 srela = htab->elf.srelgot;
4475 BFD_ASSERT (sgot != NULL && srela != NULL);
4477 rela.r_offset = (sgot->output_section->vma
4478 + sgot->output_offset
4479 + (h->got.offset &~ (bfd_vma) 1));
4481 /* If this is a -Bsymbolic link, and the symbol is defined
4482 locally, we just want to emit a RELATIVE reloc. Likewise if
4483 the symbol was forced to be local because of a version file.
4484 The entry in the global offset table will already have been
4485 initialized in the relocate_section function. */
4486 if (! bfd_link_pic (info)
4487 && h->type == STT_GNU_IFUNC
4492 /* We load the GOT entry with the PLT entry. */
4493 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4494 SPARC_ELF_PUT_WORD (htab, output_bfd,
4495 (plt->output_section->vma
4496 + plt->output_offset + h->plt.offset),
4497 htab->elf.sgot->contents
4498 + (h->got.offset & ~(bfd_vma) 1));
4502 if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h))
4504 asection *sec = h->root.u.def.section;
4505 if (h->type == STT_GNU_IFUNC)
4506 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4508 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4509 rela.r_addend = (h->root.u.def.value
4510 + sec->output_section->vma
4511 + sec->output_offset);
4515 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4519 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4520 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4521 sparc_elf_append_rela (output_bfd, srela, &rela);
4527 Elf_Internal_Rela rela;
4529 /* This symbols needs a copy reloc. Set it up. */
4530 BFD_ASSERT (h->dynindx != -1);
4532 rela.r_offset = (h->root.u.def.value
4533 + h->root.u.def.section->output_section->vma
4534 + h->root.u.def.section->output_offset);
4535 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4537 if (h->root.u.def.section == htab->elf.sdynrelro)
4538 s = htab->elf.sreldynrelro;
4540 s = htab->elf.srelbss;
4541 sparc_elf_append_rela (output_bfd, s, &rela);
4544 /* Mark some specially defined symbols as absolute. On VxWorks,
4545 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4546 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4548 && (h == htab->elf.hdynamic
4549 || (!htab->is_vxworks
4550 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4551 sym->st_shndx = SHN_ABS;
4556 /* Finish up the dynamic sections. */
4559 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4560 bfd *dynobj, asection *sdyn,
4561 asection *splt ATTRIBUTE_UNUSED)
4563 struct _bfd_sparc_elf_link_hash_table *htab;
4564 const struct elf_backend_data *bed;
4565 bfd_byte *dyncon, *dynconend;
4567 int stt_regidx = -1;
4568 bfd_boolean abi_64_p;
4570 htab = _bfd_sparc_elf_hash_table (info);
4571 BFD_ASSERT (htab != NULL);
4572 bed = get_elf_backend_data (output_bfd);
4573 dynsize = bed->s->sizeof_dyn;
4574 dynconend = sdyn->contents + sdyn->size;
4575 abi_64_p = ABI_64_P (output_bfd);
4576 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4578 Elf_Internal_Dyn dyn;
4581 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4583 if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4585 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4586 not to the start of the PLT. */
4587 if (htab->elf.sgotplt)
4589 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4590 + htab->elf.sgotplt->output_offset);
4591 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4594 else if (htab->is_vxworks
4595 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4596 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4597 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4599 if (stt_regidx == -1)
4602 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4603 if (stt_regidx == -1)
4606 dyn.d_un.d_val = stt_regidx++;
4607 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4620 s = htab->elf.srelplt;
4624 s = htab->elf.srelplt;
4636 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4638 dyn.d_un.d_val = s->size;
4640 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4646 /* Install the first PLT entry in a VxWorks executable and make sure that
4647 .rela.plt.unloaded relocations have the correct symbol indexes. */
4650 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4652 struct _bfd_sparc_elf_link_hash_table *htab;
4653 Elf_Internal_Rela rela;
4657 htab = _bfd_sparc_elf_hash_table (info);
4658 BFD_ASSERT (htab != NULL);
4660 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4661 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4662 + htab->elf.hgot->root.u.def.section->output_offset
4663 + htab->elf.hgot->root.u.def.value);
4665 /* Install the initial PLT entry. */
4666 bfd_put_32 (output_bfd,
4667 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4668 htab->elf.splt->contents);
4669 bfd_put_32 (output_bfd,
4670 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4671 htab->elf.splt->contents + 4);
4672 bfd_put_32 (output_bfd,
4673 sparc_vxworks_exec_plt0_entry[2],
4674 htab->elf.splt->contents + 8);
4675 bfd_put_32 (output_bfd,
4676 sparc_vxworks_exec_plt0_entry[3],
4677 htab->elf.splt->contents + 12);
4678 bfd_put_32 (output_bfd,
4679 sparc_vxworks_exec_plt0_entry[4],
4680 htab->elf.splt->contents + 16);
4682 loc = htab->srelplt2->contents;
4684 /* Add an unloaded relocation for the initial entry's "sethi". */
4685 rela.r_offset = (htab->elf.splt->output_section->vma
4686 + htab->elf.splt->output_offset);
4687 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4689 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4690 loc += sizeof (Elf32_External_Rela);
4692 /* Likewise the following "or". */
4694 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4695 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4696 loc += sizeof (Elf32_External_Rela);
4698 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4699 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4700 in which symbols were output. */
4701 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4703 Elf_Internal_Rela rel;
4705 /* The entry's initial "sethi" (against _G_O_T_). */
4706 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4707 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4708 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4709 loc += sizeof (Elf32_External_Rela);
4711 /* The following "or" (also against _G_O_T_). */
4712 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4713 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4714 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4715 loc += sizeof (Elf32_External_Rela);
4717 /* The .got.plt entry (against _P_L_T_). */
4718 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4719 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4720 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4721 loc += sizeof (Elf32_External_Rela);
4725 /* Install the first PLT entry in a VxWorks shared object. */
4728 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4730 struct _bfd_sparc_elf_link_hash_table *htab;
4733 htab = _bfd_sparc_elf_hash_table (info);
4734 BFD_ASSERT (htab != NULL);
4736 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4737 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4738 htab->elf.splt->contents + i * 4);
4741 /* Finish up local dynamic symbol handling. We set the contents of
4742 various dynamic sections here. */
4745 finish_local_dynamic_symbol (void **slot, void *inf)
4747 struct elf_link_hash_entry *h
4748 = (struct elf_link_hash_entry *) *slot;
4749 struct bfd_link_info *info
4750 = (struct bfd_link_info *) inf;
4752 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4756 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4757 here since undefined weak symbol may not be dynamic and may not be
4758 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4761 pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
4764 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
4765 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4767 if (h->root.type != bfd_link_hash_undefweak
4768 || h->dynindx != -1)
4771 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4776 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4780 struct _bfd_sparc_elf_link_hash_table *htab;
4782 htab = _bfd_sparc_elf_hash_table (info);
4783 BFD_ASSERT (htab != NULL);
4784 dynobj = htab->elf.dynobj;
4786 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4788 if (elf_hash_table (info)->dynamic_sections_created)
4792 splt = htab->elf.splt;
4793 BFD_ASSERT (splt != NULL && sdyn != NULL);
4795 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4798 /* Initialize the contents of the .plt section. */
4801 if (htab->is_vxworks)
4803 if (bfd_link_pic (info))
4804 sparc_vxworks_finish_shared_plt (output_bfd, info);
4806 sparc_vxworks_finish_exec_plt (output_bfd, info);
4810 memset (splt->contents, 0, htab->plt_header_size);
4811 if (!ABI_64_P (output_bfd))
4812 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4813 splt->contents + splt->size - 4);
4817 if (elf_section_data (splt->output_section) != NULL)
4818 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4819 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4820 ? 0 : htab->plt_entry_size);
4823 /* Set the first entry in the global offset table to the address of
4824 the dynamic section. */
4825 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4827 bfd_vma val = (sdyn ?
4828 sdyn->output_section->vma + sdyn->output_offset :
4831 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4835 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4836 SPARC_ELF_WORD_BYTES (htab);
4838 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4839 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4841 /* Fill PLT entries for undefined weak symbols in PIE. */
4842 if (bfd_link_pie (info))
4843 bfd_hash_traverse (&info->hash->table,
4844 pie_finish_undefweak_symbol,
4850 /* Set the right machine number for a SPARC ELF file. */
4853 _bfd_sparc_elf_object_p (bfd *abfd)
4855 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4856 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4857 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4859 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4860 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
4861 | ELF_SPARC_HWCAP_VIS3
4862 | ELF_SPARC_HWCAP_HPC);
4863 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
4864 | ELF_SPARC_HWCAP_DES
4865 | ELF_SPARC_HWCAP_KASUMI
4866 | ELF_SPARC_HWCAP_CAMELLIA
4867 | ELF_SPARC_HWCAP_MD5
4868 | ELF_SPARC_HWCAP_SHA1
4869 | ELF_SPARC_HWCAP_SHA256
4870 | ELF_SPARC_HWCAP_SHA512
4871 | ELF_SPARC_HWCAP_MPMUL
4872 | ELF_SPARC_HWCAP_MONT
4873 | ELF_SPARC_HWCAP_CRC32C
4874 | ELF_SPARC_HWCAP_CBCOND
4875 | ELF_SPARC_HWCAP_PAUSE);
4876 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
4877 | ELF_SPARC_HWCAP_IMA);
4878 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
4879 | ELF_SPARC_HWCAP2_MWAIT
4880 | ELF_SPARC_HWCAP2_XMPMUL
4881 | ELF_SPARC_HWCAP2_XMONT);
4882 unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
4883 | ELF_SPARC_HWCAP2_ONADDSUB
4884 | ELF_SPARC_HWCAP2_ONMUL
4885 | ELF_SPARC_HWCAP2_ONDIV
4886 | ELF_SPARC_HWCAP2_DICTUNP
4887 | ELF_SPARC_HWCAP2_FPCMPSHL
4888 | ELF_SPARC_HWCAP2_RLE
4889 | ELF_SPARC_HWCAP2_SHA3);
4891 if (ABI_64_P (abfd))
4893 unsigned long mach = bfd_mach_sparc_v9;
4895 if (hwcaps2->i & m8_hwcaps2_mask)
4896 mach = bfd_mach_sparc_v9m8;
4897 else if (hwcaps2->i & v9m_hwcaps2_mask)
4898 mach = bfd_mach_sparc_v9m;
4899 else if (hwcaps->i & v9v_hwcaps_mask)
4900 mach = bfd_mach_sparc_v9v;
4901 else if (hwcaps->i & v9e_hwcaps_mask)
4902 mach = bfd_mach_sparc_v9e;
4903 else if (hwcaps->i & v9d_hwcaps_mask)
4904 mach = bfd_mach_sparc_v9d;
4905 else if (hwcaps->i & v9c_hwcaps_mask)
4906 mach = bfd_mach_sparc_v9c;
4907 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4908 mach = bfd_mach_sparc_v9b;
4909 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4910 mach = bfd_mach_sparc_v9a;
4911 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4915 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4917 if (hwcaps2->i & m8_hwcaps2_mask)
4918 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4919 bfd_mach_sparc_v8plusm8);
4920 else if (hwcaps2->i & v9m_hwcaps2_mask)
4921 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4922 bfd_mach_sparc_v8plusm);
4923 else if (hwcaps->i & v9v_hwcaps_mask)
4924 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4925 bfd_mach_sparc_v8plusv);
4926 else if (hwcaps->i & v9e_hwcaps_mask)
4927 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4928 bfd_mach_sparc_v8pluse);
4929 else if (hwcaps->i & v9d_hwcaps_mask)
4930 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4931 bfd_mach_sparc_v8plusd);
4932 else if (hwcaps->i & v9c_hwcaps_mask)
4933 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4934 bfd_mach_sparc_v8plusc);
4935 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4936 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4937 bfd_mach_sparc_v8plusb);
4938 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4939 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4940 bfd_mach_sparc_v8plusa);
4941 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4942 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4943 bfd_mach_sparc_v8plus);
4947 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4948 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4949 bfd_mach_sparc_sparclite_le);
4951 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4955 /* Return address for Ith PLT stub in section PLT, for relocation REL
4956 or (bfd_vma) -1 if it should not be included. */
4959 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4961 if (ABI_64_P (plt->owner))
4965 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4966 if (i < PLT64_LARGE_THRESHOLD)
4967 return plt->vma + i * PLT64_ENTRY_SIZE;
4969 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4971 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4974 return rel->address;
4977 /* Merge backend specific data from an object file to the output
4978 object file when linking. */
4981 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
4983 bfd *obfd = info->output_bfd;
4984 obj_attribute *in_attr, *in_attrs;
4985 obj_attribute *out_attr, *out_attrs;
4987 if (!elf_known_obj_attributes_proc (obfd)[0].i)
4989 /* This is the first object. Copy the attributes. */
4990 _bfd_elf_copy_obj_attributes (ibfd, obfd);
4992 /* Use the Tag_null value to indicate the attributes have been
4994 elf_known_obj_attributes_proc (obfd)[0].i = 1;
4999 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
5000 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
5002 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
5003 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
5005 out_attr->i |= in_attr->i;
5008 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
5009 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
5011 out_attr->i |= in_attr->i;
5014 /* Merge Tag_compatibility attributes and any common GNU ones. */
5015 _bfd_elf_merge_object_attributes (ibfd, info);