1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2016 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
55 void * data, asection *input_section, bfd *output_bfd,
56 bfd_vma *prelocation, bfd_vma *pinsn)
59 reloc_howto_type *howto = reloc_entry->howto;
61 if (output_bfd != (bfd *) NULL
62 && (symbol->flags & BSF_SECTION_SYM) == 0
63 && (! howto->partial_inplace
64 || reloc_entry->addend == 0))
66 reloc_entry->address += input_section->output_offset;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd != NULL)
72 return bfd_reloc_continue;
74 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
75 return bfd_reloc_outofrange;
77 relocation = (symbol->value
78 + symbol->section->output_section->vma
79 + symbol->section->output_offset);
80 relocation += reloc_entry->addend;
81 if (howto->pc_relative)
83 relocation -= (input_section->output_section->vma
84 + input_section->output_offset);
85 relocation -= reloc_entry->address;
88 *prelocation = relocation;
89 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
90 return bfd_reloc_other;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
97 arelent *reloc_entry ATTRIBUTE_UNUSED,
98 asymbol *symbol ATTRIBUTE_UNUSED,
99 void * data ATTRIBUTE_UNUSED,
100 asection *input_section ATTRIBUTE_UNUSED,
101 bfd *output_bfd ATTRIBUTE_UNUSED,
102 char **error_message ATTRIBUTE_UNUSED)
104 return bfd_reloc_notsupported;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
111 void * data, asection *input_section, bfd *output_bfd,
112 char **error_message ATTRIBUTE_UNUSED)
116 bfd_reloc_status_type status;
118 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
119 input_section, output_bfd, &relocation, &insn);
120 if (status != bfd_reloc_other)
123 insn &= ~ (bfd_vma) 0x303fff;
124 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
125 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
127 if ((bfd_signed_vma) relocation < - 0x40000
128 || (bfd_signed_vma) relocation > 0x3ffff)
129 return bfd_reloc_overflow;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
138 void * data, asection *input_section, bfd *output_bfd,
139 char **error_message ATTRIBUTE_UNUSED)
143 bfd_reloc_status_type status;
145 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
146 input_section, output_bfd, &relocation, &insn);
147 if (status != bfd_reloc_other)
150 insn &= ~ (bfd_vma) 0x181fe0;
151 insn |= (((relocation >> 2) & 0x300) << 11)
152 | (((relocation >> 2) & 0xff) << 5);
153 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
155 if ((bfd_signed_vma) relocation < - 0x1000
156 || (bfd_signed_vma) relocation > 0xfff)
157 return bfd_reloc_overflow;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
166 void * data, asection *input_section, bfd *output_bfd,
167 char **error_message ATTRIBUTE_UNUSED)
171 bfd_reloc_status_type status;
173 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
174 input_section, output_bfd, &relocation, &insn);
175 if (status != bfd_reloc_other)
178 relocation ^= MINUS_ONE;
179 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
180 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
182 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
183 return bfd_reloc_overflow;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
192 void * data, asection *input_section, bfd *output_bfd,
193 char **error_message ATTRIBUTE_UNUSED)
197 bfd_reloc_status_type status;
199 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
200 input_section, output_bfd, &relocation, &insn);
201 if (status != bfd_reloc_other)
204 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
205 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
210 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
212 HOWTO(R_SPARC_NONE, 0,3, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
213 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
214 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
215 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
216 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
217 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
218 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
219 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
220 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
221 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
222 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
223 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
224 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
225 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
226 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
227 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
228 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
229 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
230 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
231 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
232 HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
233 HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
234 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
235 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
236 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
237 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
238 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
239 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
240 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
241 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
242 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
243 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
244 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
245 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
246 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
247 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
248 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
249 HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE),
250 HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE),
251 HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE),
252 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
253 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
254 HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE),
255 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
256 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
257 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
258 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
259 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
260 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
261 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
262 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
263 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
264 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
265 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
266 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
267 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
268 HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
269 HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
270 HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
271 HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
272 HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
273 HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
274 HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
275 HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
276 HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
277 HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
278 HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
279 HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
280 HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
281 HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
282 HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
283 HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
284 HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
285 HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
286 HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
287 HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
288 HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
289 HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
290 HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
291 HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE),
292 HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
293 HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
296 HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
297 HOWTO(R_SPARC_H34,12,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,"R_SPARC_H34",FALSE,0,0x003fffff,FALSE),
298 HOWTO(R_SPARC_SIZE32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE32",FALSE,0,0xffffffff,TRUE),
299 HOWTO(R_SPARC_SIZE64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE64",FALSE,0,MINUS_ONE, TRUE),
300 HOWTO(R_SPARC_WDISP10,2,2,10,TRUE, 0,complain_overflow_signed,sparc_elf_wdisp10_reloc,"R_SPARC_WDISP10",FALSE,0,0x00000000,TRUE),
302 static reloc_howto_type sparc_jmp_irel_howto =
303 HOWTO(R_SPARC_JMP_IREL, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
304 static reloc_howto_type sparc_irelative_howto =
305 HOWTO(R_SPARC_IRELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
306 static reloc_howto_type sparc_vtinherit_howto =
307 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
308 static reloc_howto_type sparc_vtentry_howto =
309 HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE);
310 static reloc_howto_type sparc_rev32_howto =
311 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
314 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
315 bfd_reloc_code_real_type code)
317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
322 return &_bfd_sparc_elf_howto_table[R_SPARC_NONE];
325 return &_bfd_sparc_elf_howto_table[R_SPARC_8];
328 return &_bfd_sparc_elf_howto_table[R_SPARC_16];
331 return &_bfd_sparc_elf_howto_table[R_SPARC_32];
333 case BFD_RELOC_8_PCREL:
334 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP8];
336 case BFD_RELOC_16_PCREL:
337 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP16];
339 case BFD_RELOC_32_PCREL:
340 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP32];
342 case BFD_RELOC_32_PCREL_S2:
343 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP30];
345 case BFD_RELOC_SPARC_WDISP22:
346 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP22];
349 return &_bfd_sparc_elf_howto_table[R_SPARC_HI22];
351 case BFD_RELOC_SPARC22:
352 return &_bfd_sparc_elf_howto_table[R_SPARC_22];
354 case BFD_RELOC_SPARC13:
355 return &_bfd_sparc_elf_howto_table[R_SPARC_13];
358 return &_bfd_sparc_elf_howto_table[R_SPARC_LO10];
360 case BFD_RELOC_SPARC_GOT10:
361 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT10];
363 case BFD_RELOC_SPARC_GOT13:
364 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT13];
366 case BFD_RELOC_SPARC_GOT22:
367 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT22];
369 case BFD_RELOC_SPARC_PC10:
370 return &_bfd_sparc_elf_howto_table[R_SPARC_PC10];
372 case BFD_RELOC_SPARC_PC22:
373 return &_bfd_sparc_elf_howto_table[R_SPARC_PC22];
375 case BFD_RELOC_SPARC_WPLT30:
376 return &_bfd_sparc_elf_howto_table[R_SPARC_WPLT30];
378 case BFD_RELOC_SPARC_COPY:
379 return &_bfd_sparc_elf_howto_table[R_SPARC_COPY];
381 case BFD_RELOC_SPARC_GLOB_DAT:
382 return &_bfd_sparc_elf_howto_table[R_SPARC_GLOB_DAT];
384 case BFD_RELOC_SPARC_JMP_SLOT:
385 return &_bfd_sparc_elf_howto_table[R_SPARC_JMP_SLOT];
387 case BFD_RELOC_SPARC_RELATIVE:
388 return &_bfd_sparc_elf_howto_table[R_SPARC_RELATIVE];
390 case BFD_RELOC_SPARC_UA32:
391 return &_bfd_sparc_elf_howto_table[R_SPARC_UA32];
393 case BFD_RELOC_SPARC_PLT32:
394 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT32];
396 case BFD_RELOC_SPARC_10:
397 return &_bfd_sparc_elf_howto_table[R_SPARC_10];
399 case BFD_RELOC_SPARC_11:
400 return &_bfd_sparc_elf_howto_table[R_SPARC_11];
402 case BFD_RELOC_SPARC_64:
403 return &_bfd_sparc_elf_howto_table[R_SPARC_64];
405 case BFD_RELOC_SPARC_OLO10:
406 return &_bfd_sparc_elf_howto_table[R_SPARC_OLO10];
408 case BFD_RELOC_SPARC_HH22:
409 return &_bfd_sparc_elf_howto_table[R_SPARC_HH22];
411 case BFD_RELOC_SPARC_HM10:
412 return &_bfd_sparc_elf_howto_table[R_SPARC_HM10];
414 case BFD_RELOC_SPARC_LM22:
415 return &_bfd_sparc_elf_howto_table[R_SPARC_LM22];
417 case BFD_RELOC_SPARC_PC_HH22:
418 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HH22];
420 case BFD_RELOC_SPARC_PC_HM10:
421 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HM10];
423 case BFD_RELOC_SPARC_PC_LM22:
424 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_LM22];
426 case BFD_RELOC_SPARC_WDISP16:
427 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP16];
429 case BFD_RELOC_SPARC_WDISP19:
430 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP19];
432 case BFD_RELOC_SPARC_7:
433 return &_bfd_sparc_elf_howto_table[R_SPARC_7];
435 case BFD_RELOC_SPARC_5:
436 return &_bfd_sparc_elf_howto_table[R_SPARC_5];
438 case BFD_RELOC_SPARC_6:
439 return &_bfd_sparc_elf_howto_table[R_SPARC_6];
441 case BFD_RELOC_SPARC_DISP64:
442 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP64];
444 case BFD_RELOC_SPARC_PLT64:
445 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT64];
447 case BFD_RELOC_SPARC_HIX22:
448 return &_bfd_sparc_elf_howto_table[R_SPARC_HIX22];
450 case BFD_RELOC_SPARC_LOX10:
451 return &_bfd_sparc_elf_howto_table[R_SPARC_LOX10];
453 case BFD_RELOC_SPARC_H44:
454 return &_bfd_sparc_elf_howto_table[R_SPARC_H44];
456 case BFD_RELOC_SPARC_M44:
457 return &_bfd_sparc_elf_howto_table[R_SPARC_M44];
459 case BFD_RELOC_SPARC_L44:
460 return &_bfd_sparc_elf_howto_table[R_SPARC_L44];
462 case BFD_RELOC_SPARC_REGISTER:
463 return &_bfd_sparc_elf_howto_table[R_SPARC_REGISTER];
465 case BFD_RELOC_SPARC_UA64:
466 return &_bfd_sparc_elf_howto_table[R_SPARC_UA64];
468 case BFD_RELOC_SPARC_UA16:
469 return &_bfd_sparc_elf_howto_table[R_SPARC_UA16];
471 case BFD_RELOC_SPARC_TLS_GD_HI22:
472 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_HI22];
474 case BFD_RELOC_SPARC_TLS_GD_LO10:
475 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_LO10];
477 case BFD_RELOC_SPARC_TLS_GD_ADD:
478 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_ADD];
480 case BFD_RELOC_SPARC_TLS_GD_CALL:
481 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_CALL];
483 case BFD_RELOC_SPARC_TLS_LDM_HI22:
484 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_HI22];
486 case BFD_RELOC_SPARC_TLS_LDM_LO10:
487 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_LO10];
489 case BFD_RELOC_SPARC_TLS_LDM_ADD:
490 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_ADD];
492 case BFD_RELOC_SPARC_TLS_LDM_CALL:
493 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_CALL];
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22:
496 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_HIX22];
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10:
499 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_LOX10];
501 case BFD_RELOC_SPARC_TLS_LDO_ADD:
502 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_ADD];
504 case BFD_RELOC_SPARC_TLS_IE_HI22:
505 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_HI22];
507 case BFD_RELOC_SPARC_TLS_IE_LO10:
508 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LO10];
510 case BFD_RELOC_SPARC_TLS_IE_LD:
511 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LD];
513 case BFD_RELOC_SPARC_TLS_IE_LDX:
514 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LDX];
516 case BFD_RELOC_SPARC_TLS_IE_ADD:
517 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_ADD];
519 case BFD_RELOC_SPARC_TLS_LE_HIX22:
520 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_HIX22];
522 case BFD_RELOC_SPARC_TLS_LE_LOX10:
523 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_LOX10];
525 case BFD_RELOC_SPARC_TLS_DTPMOD32:
526 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD32];
528 case BFD_RELOC_SPARC_TLS_DTPMOD64:
529 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD64];
531 case BFD_RELOC_SPARC_TLS_DTPOFF32:
532 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF32];
534 case BFD_RELOC_SPARC_TLS_DTPOFF64:
535 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF64];
537 case BFD_RELOC_SPARC_TLS_TPOFF32:
538 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF32];
540 case BFD_RELOC_SPARC_TLS_TPOFF64:
541 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF64];
543 case BFD_RELOC_SPARC_GOTDATA_HIX22:
544 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_HIX22];
546 case BFD_RELOC_SPARC_GOTDATA_LOX10:
547 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_LOX10];
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22:
550 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_HIX22];
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10:
553 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_LOX10];
555 case BFD_RELOC_SPARC_GOTDATA_OP:
556 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP];
558 case BFD_RELOC_SPARC_H34:
559 return &_bfd_sparc_elf_howto_table[R_SPARC_H34];
561 case BFD_RELOC_SPARC_SIZE32:
562 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE32];
564 case BFD_RELOC_SPARC_SIZE64:
565 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE64];
567 case BFD_RELOC_SPARC_WDISP10:
568 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP10];
570 case BFD_RELOC_SPARC_JMP_IREL:
571 return &sparc_jmp_irel_howto;
573 case BFD_RELOC_SPARC_IRELATIVE:
574 return &sparc_irelative_howto;
576 case BFD_RELOC_VTABLE_INHERIT:
577 return &sparc_vtinherit_howto;
579 case BFD_RELOC_VTABLE_ENTRY:
580 return &sparc_vtentry_howto;
582 case BFD_RELOC_SPARC_REV32:
583 return &sparc_rev32_howto;
588 bfd_set_error (bfd_error_bad_value);
593 _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
599 i < (sizeof (_bfd_sparc_elf_howto_table)
600 / sizeof (_bfd_sparc_elf_howto_table[0]));
602 if (_bfd_sparc_elf_howto_table[i].name != NULL
603 && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
604 return &_bfd_sparc_elf_howto_table[i];
606 if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
607 return &sparc_vtinherit_howto;
608 if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
609 return &sparc_vtentry_howto;
610 if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
611 return &sparc_rev32_howto;
617 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type)
621 case R_SPARC_JMP_IREL:
622 return &sparc_jmp_irel_howto;
624 case R_SPARC_IRELATIVE:
625 return &sparc_irelative_howto;
627 case R_SPARC_GNU_VTINHERIT:
628 return &sparc_vtinherit_howto;
630 case R_SPARC_GNU_VTENTRY:
631 return &sparc_vtentry_howto;
634 return &sparc_rev32_howto;
637 if (r_type >= (unsigned int) R_SPARC_max_std)
639 _bfd_error_handler (_("invalid relocation type %d"), (int) r_type);
640 r_type = R_SPARC_NONE;
642 return &_bfd_sparc_elf_howto_table[r_type];
646 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
647 so just take advantage of that. */
648 #define SPARC_ELF_R_TYPE(r_info) \
652 _bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
653 Elf_Internal_Rela *dst)
655 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
657 cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type);
661 /* The nop opcode we use. */
662 #define SPARC_NOP 0x01000000
664 #define SPARC_INSN_BYTES 4
666 /* The SPARC linker needs to keep track of the number of relocs that it
667 decides to copy as dynamic relocs in check_relocs for each symbol.
668 This is so that it can later discard them if they are found to be
669 unnecessary. We store the information in a field extending the
670 regular ELF linker hash table. */
672 struct _bfd_sparc_elf_dyn_relocs
674 struct _bfd_sparc_elf_dyn_relocs *next;
676 /* The input section of the reloc. */
679 /* Total number of relocs copied for the input section. */
682 /* Number of pc-relative relocs copied for the input section. */
683 bfd_size_type pc_count;
686 /* SPARC ELF linker hash entry. */
688 struct _bfd_sparc_elf_link_hash_entry
690 struct elf_link_hash_entry elf;
692 /* Track dynamic relocs copied for this symbol. */
693 struct _bfd_sparc_elf_dyn_relocs *dyn_relocs;
695 #define GOT_UNKNOWN 0
699 unsigned char tls_type;
702 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
704 struct _bfd_sparc_elf_obj_tdata
706 struct elf_obj_tdata root;
708 /* tls_type for each local got entry. */
709 char *local_got_tls_type;
711 /* TRUE if TLS GD relocs has been seen for this object. */
712 bfd_boolean has_tlsgd;
715 #define _bfd_sparc_elf_tdata(abfd) \
716 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
718 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
719 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
721 #define is_sparc_elf(bfd) \
722 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
723 && elf_tdata (bfd) != NULL \
724 && elf_object_id (bfd) == SPARC_ELF_DATA)
727 _bfd_sparc_elf_mkobject (bfd *abfd)
729 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
734 sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
736 bfd_put_32 (abfd, val, ptr);
740 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
742 bfd_put_64 (abfd, val, ptr);
746 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
748 const struct elf_backend_data *bed;
751 bed = get_elf_backend_data (abfd);
752 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
753 bed->s->swap_reloca_out (abfd, rel, loc);
757 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
758 bfd_vma rel_index ATTRIBUTE_UNUSED,
759 bfd_vma type ATTRIBUTE_UNUSED)
761 return ELF64_R_INFO (rel_index,
763 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
768 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
769 bfd_vma rel_index, bfd_vma type)
771 return ELF32_R_INFO (rel_index, type);
775 sparc_elf_r_symndx_64 (bfd_vma r_info)
777 bfd_vma r_symndx = ELF32_R_SYM (r_info);
778 return (r_symndx >> 24);
782 sparc_elf_r_symndx_32 (bfd_vma r_info)
784 return ELF32_R_SYM (r_info);
789 #define PLT32_ENTRY_SIZE 12
790 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
792 /* The first four entries in a 32-bit procedure linkage table are reserved,
793 and the initial contents are unimportant (we zero them out).
794 Subsequent entries look like this. See the SVR4 ABI SPARC
795 supplement to see how this works. */
797 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
798 #define PLT32_ENTRY_WORD0 0x03000000
799 /* b,a .plt0. We fill in the offset later. */
800 #define PLT32_ENTRY_WORD1 0x30800000
802 #define PLT32_ENTRY_WORD2 SPARC_NOP
805 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
806 bfd_vma max ATTRIBUTE_UNUSED,
809 bfd_put_32 (output_bfd,
810 PLT32_ENTRY_WORD0 + offset,
811 splt->contents + offset);
812 bfd_put_32 (output_bfd,
814 + (((- (offset + 4)) >> 2) & 0x3fffff)),
815 splt->contents + offset + 4);
816 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
817 splt->contents + offset + 8);
821 return offset / PLT32_ENTRY_SIZE - 4;
824 /* Both the headers and the entries are icache aligned. */
825 #define PLT64_ENTRY_SIZE 32
826 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
827 #define PLT64_LARGE_THRESHOLD 32768
830 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
831 bfd_vma max, bfd_vma *r_offset)
833 unsigned char *entry = splt->contents + offset;
834 const unsigned int nop = SPARC_NOP;
837 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
839 unsigned int sethi, ba;
843 plt_index = (offset / PLT64_ENTRY_SIZE);
845 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
847 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
849 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
850 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
851 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
852 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
853 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
854 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
855 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
856 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
862 int block, last_block, ofs, last_ofs, chunks_this_block;
863 const int insn_chunk_size = (6 * 4);
864 const int ptr_chunk_size = (1 * 8);
865 const int entries_per_block = 160;
866 const int block_size = entries_per_block * (insn_chunk_size
869 /* Entries 32768 and higher are grouped into blocks of 160.
870 The blocks are further subdivided into 160 sequences of
871 6 instructions and 160 pointers. If a block does not require
872 the full 160 entries, let's say it requires N, then there
873 will be N sequences of 6 instructions and N pointers. */
875 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
876 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
878 block = offset / block_size;
879 last_block = max / block_size;
880 if (block != last_block)
882 chunks_this_block = 160;
886 last_ofs = max % block_size;
887 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
890 ofs = offset % block_size;
892 plt_index = (PLT64_LARGE_THRESHOLD +
894 (ofs / insn_chunk_size));
897 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
898 + (block * block_size)
899 + (chunks_this_block * insn_chunk_size)
900 + (ofs / insn_chunk_size) * ptr_chunk_size;
902 *r_offset = (bfd_vma) (ptr - splt->contents);
904 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
912 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
913 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
914 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
915 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
916 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
917 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
919 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
922 return plt_index - 4;
925 /* The format of the first PLT entry in a VxWorks executable. */
926 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
928 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
929 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
930 0xc4008000, /* ld [ %g2 ], %g2 */
931 0x81c08000, /* jmp %g2 */
935 /* The format of subsequent PLT entries. */
936 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
938 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
939 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
940 0xc2004000, /* ld [ %g1 ], %g1 */
941 0x81c04000, /* jmp %g1 */
942 0x01000000, /* nop */
943 0x03000000, /* sethi %hi(f@pltindex), %g1 */
944 0x10800000, /* b _PLT_resolve */
945 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
948 /* The format of the first PLT entry in a VxWorks shared object. */
949 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
951 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
952 0x81c08000, /* jmp %g2 */
956 /* The format of subsequent PLT entries. */
957 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
959 0x03000000, /* sethi %hi(f@got), %g1 */
960 0x82106000, /* or %g1, %lo(f@got), %g1 */
961 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
962 0x81c04000, /* jmp %g1 */
963 0x01000000, /* nop */
964 0x03000000, /* sethi %hi(f@pltindex), %g1 */
965 0x10800000, /* b _PLT_resolve */
966 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
969 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
970 htab->put_word(bfd, val, ptr)
972 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
973 htab->r_info(in_rel, index, type)
975 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
976 htab->r_symndx(r_info)
978 #define SPARC_ELF_WORD_BYTES(htab) \
981 #define SPARC_ELF_RELA_BYTES(htab) \
984 #define SPARC_ELF_DTPOFF_RELOC(htab) \
987 #define SPARC_ELF_DTPMOD_RELOC(htab) \
990 #define SPARC_ELF_TPOFF_RELOC(htab) \
993 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
994 htab->build_plt_entry (obfd, splt, off, max, r_off)
996 /* Create an entry in an SPARC ELF linker hash table. */
998 static struct bfd_hash_entry *
999 link_hash_newfunc (struct bfd_hash_entry *entry,
1000 struct bfd_hash_table *table, const char *string)
1002 /* Allocate the structure if it has not already been allocated by a
1006 entry = bfd_hash_allocate (table,
1007 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1012 /* Call the allocation method of the superclass. */
1013 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1016 struct _bfd_sparc_elf_link_hash_entry *eh;
1018 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1019 eh->dyn_relocs = NULL;
1020 eh->tls_type = GOT_UNKNOWN;
1026 /* The name of the dynamic interpreter. This is put in the .interp
1029 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1030 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1032 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1033 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1034 as global symbol. We reuse indx and dynstr_index for local symbol
1035 hash since they aren't used by global symbols in this backend. */
1038 elf_sparc_local_htab_hash (const void *ptr)
1040 struct elf_link_hash_entry *h
1041 = (struct elf_link_hash_entry *) ptr;
1042 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1045 /* Compare local hash entries. */
1048 elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1050 struct elf_link_hash_entry *h1
1051 = (struct elf_link_hash_entry *) ptr1;
1052 struct elf_link_hash_entry *h2
1053 = (struct elf_link_hash_entry *) ptr2;
1055 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1058 /* Find and/or create a hash entry for local symbol. */
1060 static struct elf_link_hash_entry *
1061 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1062 bfd *abfd, const Elf_Internal_Rela *rel,
1065 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1066 asection *sec = abfd->sections;
1067 unsigned long r_symndx;
1071 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1072 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1074 e.elf.indx = sec->id;
1075 e.elf.dynstr_index = r_symndx;
1076 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1077 create ? INSERT : NO_INSERT);
1084 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1088 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1089 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1090 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1093 memset (ret, 0, sizeof (*ret));
1094 ret->elf.indx = sec->id;
1095 ret->elf.dynstr_index = r_symndx;
1096 ret->elf.dynindx = -1;
1097 ret->elf.plt.offset = (bfd_vma) -1;
1098 ret->elf.got.offset = (bfd_vma) -1;
1104 /* Destroy a SPARC ELF linker hash table. */
1107 _bfd_sparc_elf_link_hash_table_free (bfd *obfd)
1109 struct _bfd_sparc_elf_link_hash_table *htab
1110 = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
1112 if (htab->loc_hash_table)
1113 htab_delete (htab->loc_hash_table);
1114 if (htab->loc_hash_memory)
1115 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1116 _bfd_elf_link_hash_table_free (obfd);
1119 /* Create a SPARC ELF linker hash table. */
1121 struct bfd_link_hash_table *
1122 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1124 struct _bfd_sparc_elf_link_hash_table *ret;
1125 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1127 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1131 if (ABI_64_P (abfd))
1133 ret->put_word = sparc_put_word_64;
1134 ret->r_info = sparc_elf_r_info_64;
1135 ret->r_symndx = sparc_elf_r_symndx_64;
1136 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1137 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1138 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1139 ret->word_align_power = 3;
1140 ret->align_power_max = 4;
1141 ret->bytes_per_word = 8;
1142 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1143 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1144 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1146 ret->build_plt_entry = sparc64_plt_entry_build;
1147 ret->plt_header_size = PLT64_HEADER_SIZE;
1148 ret->plt_entry_size = PLT64_ENTRY_SIZE;
1152 ret->put_word = sparc_put_word_32;
1153 ret->r_info = sparc_elf_r_info_32;
1154 ret->r_symndx = sparc_elf_r_symndx_32;
1155 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1156 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1157 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1158 ret->word_align_power = 2;
1159 ret->align_power_max = 3;
1160 ret->bytes_per_word = 4;
1161 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1162 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1163 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1165 ret->build_plt_entry = sparc32_plt_entry_build;
1166 ret->plt_header_size = PLT32_HEADER_SIZE;
1167 ret->plt_entry_size = PLT32_ENTRY_SIZE;
1170 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1171 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1178 ret->loc_hash_table = htab_try_create (1024,
1179 elf_sparc_local_htab_hash,
1180 elf_sparc_local_htab_eq,
1182 ret->loc_hash_memory = objalloc_create ();
1183 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1185 _bfd_sparc_elf_link_hash_table_free (abfd);
1188 ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
1190 return &ret->elf.root;
1193 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1194 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1198 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1199 struct bfd_link_info *info)
1201 struct _bfd_sparc_elf_link_hash_table *htab;
1203 htab = _bfd_sparc_elf_hash_table (info);
1204 BFD_ASSERT (htab != NULL);
1206 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1209 if (htab->is_vxworks)
1211 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1213 if (bfd_link_pic (info))
1215 htab->plt_header_size
1216 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1217 htab->plt_entry_size
1218 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1222 htab->plt_header_size
1223 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1224 htab->plt_entry_size
1225 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1229 if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
1230 || (!bfd_link_pic (info) && !htab->elf.srelbss))
1237 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1239 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1240 struct elf_link_hash_table *htab = elf_hash_table (info);
1241 flagword flags, pltflags;
1244 if (htab->irelifunc != NULL || htab->iplt != NULL)
1247 flags = bed->dynamic_sec_flags;
1248 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1250 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1252 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1256 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1257 flags | SEC_READONLY);
1259 || ! bfd_set_section_alignment (abfd, s,
1260 bed->s->log_file_align))
1267 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1270 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1271 struct elf_link_hash_entry *dir,
1272 struct elf_link_hash_entry *ind)
1274 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1276 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1277 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1279 if (eind->dyn_relocs != NULL)
1281 if (edir->dyn_relocs != NULL)
1283 struct _bfd_sparc_elf_dyn_relocs **pp;
1284 struct _bfd_sparc_elf_dyn_relocs *p;
1286 /* Add reloc counts against the indirect sym to the direct sym
1287 list. Merge any entries against the same section. */
1288 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1290 struct _bfd_sparc_elf_dyn_relocs *q;
1292 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1293 if (q->sec == p->sec)
1295 q->pc_count += p->pc_count;
1296 q->count += p->count;
1303 *pp = edir->dyn_relocs;
1306 edir->dyn_relocs = eind->dyn_relocs;
1307 eind->dyn_relocs = NULL;
1310 if (ind->root.type == bfd_link_hash_indirect
1311 && dir->got.refcount <= 0)
1313 edir->tls_type = eind->tls_type;
1314 eind->tls_type = GOT_UNKNOWN;
1316 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1320 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1321 int r_type, int is_local)
1323 if (! ABI_64_P (abfd)
1324 && r_type == R_SPARC_TLS_GD_HI22
1325 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1326 r_type = R_SPARC_REV32;
1328 if (bfd_link_pic (info))
1333 case R_SPARC_TLS_GD_HI22:
1335 return R_SPARC_TLS_LE_HIX22;
1336 return R_SPARC_TLS_IE_HI22;
1337 case R_SPARC_TLS_GD_LO10:
1339 return R_SPARC_TLS_LE_LOX10;
1340 return R_SPARC_TLS_IE_LO10;
1341 case R_SPARC_TLS_IE_HI22:
1343 return R_SPARC_TLS_LE_HIX22;
1345 case R_SPARC_TLS_IE_LO10:
1347 return R_SPARC_TLS_LE_LOX10;
1349 case R_SPARC_TLS_LDM_HI22:
1350 return R_SPARC_TLS_LE_HIX22;
1351 case R_SPARC_TLS_LDM_LO10:
1352 return R_SPARC_TLS_LE_LOX10;
1358 /* Look through the relocs for a section during the first phase, and
1359 allocate space in the global offset table or procedure linkage
1363 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1364 asection *sec, const Elf_Internal_Rela *relocs)
1366 struct _bfd_sparc_elf_link_hash_table *htab;
1367 Elf_Internal_Shdr *symtab_hdr;
1368 struct elf_link_hash_entry **sym_hashes;
1369 const Elf_Internal_Rela *rel;
1370 const Elf_Internal_Rela *rel_end;
1373 bfd_boolean checked_tlsgd = FALSE;
1375 if (bfd_link_relocatable (info))
1378 htab = _bfd_sparc_elf_hash_table (info);
1379 BFD_ASSERT (htab != NULL);
1380 symtab_hdr = &elf_symtab_hdr (abfd);
1381 sym_hashes = elf_sym_hashes (abfd);
1385 if (ABI_64_P (abfd))
1386 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1388 num_relocs = sec->reloc_count;
1390 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1392 if (htab->elf.dynobj == NULL)
1393 htab->elf.dynobj = abfd;
1394 if (!create_ifunc_sections (htab->elf.dynobj, info))
1397 rel_end = relocs + num_relocs;
1398 for (rel = relocs; rel < rel_end; rel++)
1400 unsigned int r_type;
1401 unsigned long r_symndx;
1402 struct elf_link_hash_entry *h;
1403 Elf_Internal_Sym *isym;
1405 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1406 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1408 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1410 /* xgettext:c-format */
1411 _bfd_error_handler (_("%B: bad symbol index: %d"), abfd, r_symndx);
1416 if (r_symndx < symtab_hdr->sh_info)
1418 /* A local symbol. */
1419 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1424 /* Check relocation against local STT_GNU_IFUNC symbol. */
1425 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1427 h = elf_sparc_get_local_sym_hash (htab, abfd, rel,
1432 /* Fake a STT_GNU_IFUNC symbol. */
1433 h->type = STT_GNU_IFUNC;
1436 h->forced_local = 1;
1437 h->root.type = bfd_link_hash_defined;
1444 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1445 while (h->root.type == bfd_link_hash_indirect
1446 || h->root.type == bfd_link_hash_warning)
1447 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1449 /* PR15323, ref flags aren't set for references in the same
1451 h->root.non_ir_ref = 1;
1454 if (h && h->type == STT_GNU_IFUNC)
1459 h->plt.refcount += 1;
1463 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1464 with R_SPARC_TLS_GD_HI22. */
1465 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1468 case R_SPARC_TLS_GD_HI22:
1470 const Elf_Internal_Rela *relt;
1472 for (relt = rel + 1; relt < rel_end; relt++)
1473 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1474 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1475 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1477 checked_tlsgd = TRUE;
1478 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1481 case R_SPARC_TLS_GD_LO10:
1482 case R_SPARC_TLS_GD_ADD:
1483 case R_SPARC_TLS_GD_CALL:
1484 checked_tlsgd = TRUE;
1485 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1489 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1492 case R_SPARC_TLS_LDM_HI22:
1493 case R_SPARC_TLS_LDM_LO10:
1494 htab->tls_ldm_got.refcount += 1;
1497 case R_SPARC_TLS_LE_HIX22:
1498 case R_SPARC_TLS_LE_LOX10:
1499 if (bfd_link_pic (info))
1503 case R_SPARC_TLS_IE_HI22:
1504 case R_SPARC_TLS_IE_LO10:
1505 if (bfd_link_pic (info))
1506 info->flags |= DF_STATIC_TLS;
1512 case R_SPARC_GOTDATA_HIX22:
1513 case R_SPARC_GOTDATA_LOX10:
1514 case R_SPARC_GOTDATA_OP_HIX22:
1515 case R_SPARC_GOTDATA_OP_LOX10:
1516 case R_SPARC_TLS_GD_HI22:
1517 case R_SPARC_TLS_GD_LO10:
1518 /* This symbol requires a global offset table entry. */
1520 int tls_type, old_tls_type;
1528 case R_SPARC_GOTDATA_OP_HIX22:
1529 case R_SPARC_GOTDATA_OP_LOX10:
1530 tls_type = GOT_NORMAL;
1532 case R_SPARC_TLS_GD_HI22:
1533 case R_SPARC_TLS_GD_LO10:
1534 tls_type = GOT_TLS_GD;
1536 case R_SPARC_TLS_IE_HI22:
1537 case R_SPARC_TLS_IE_LO10:
1538 tls_type = GOT_TLS_IE;
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);
1569 case R_SPARC_GOTDATA_OP_HIX22:
1570 case R_SPARC_GOTDATA_OP_LOX10:
1574 local_got_refcounts[r_symndx] += 1;
1577 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1580 /* If a TLS symbol is accessed using IE at least once,
1581 there is no point to use dynamic model for it. */
1582 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1583 && (old_tls_type != GOT_TLS_GD
1584 || tls_type != GOT_TLS_IE))
1586 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1587 tls_type = old_tls_type;
1591 /* xgettext:c-format */
1592 (_("%B: `%s' accessed both as normal and thread local symbol"),
1593 abfd, h ? h->root.root.string : "<local>");
1598 if (old_tls_type != tls_type)
1601 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1603 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1607 if (htab->elf.sgot == NULL)
1609 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
1614 case R_SPARC_TLS_GD_CALL:
1615 case R_SPARC_TLS_LDM_CALL:
1616 if (bfd_link_pic (info))
1618 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1620 struct bfd_link_hash_entry *bh = NULL;
1621 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1622 "__tls_get_addr", 0,
1623 bfd_und_section_ptr, 0,
1627 h = (struct elf_link_hash_entry *) bh;
1634 case R_SPARC_WPLT30:
1635 case R_SPARC_HIPLT22:
1636 case R_SPARC_LOPLT10:
1637 case R_SPARC_PCPLT32:
1638 case R_SPARC_PCPLT22:
1639 case R_SPARC_PCPLT10:
1641 /* This symbol requires a procedure linkage table entry. We
1642 actually build the entry in adjust_dynamic_symbol,
1643 because this might be a case of linking PIC code without
1644 linking in any dynamic objects, in which case we don't
1645 need to generate a procedure linkage table after all. */
1649 if (! ABI_64_P (abfd))
1651 /* The Solaris native assembler will generate a WPLT30
1652 reloc for a local symbol if you assemble a call from
1653 one section to another when using -K pic. We treat
1655 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1659 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1660 else if (r_type == R_SPARC_WPLT30)
1663 /* It does not make sense to have a procedure linkage
1664 table entry for a local symbol. */
1665 bfd_set_error (bfd_error_bad_value);
1674 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1675 if (this_r_type == R_SPARC_PLT32
1676 || this_r_type == R_SPARC_PLT64)
1679 h->plt.refcount += 1;
1684 case R_SPARC_PC_HH22:
1685 case R_SPARC_PC_HM10:
1686 case R_SPARC_PC_LM22:
1691 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1696 case R_SPARC_DISP16:
1697 case R_SPARC_DISP32:
1698 case R_SPARC_DISP64:
1699 case R_SPARC_WDISP30:
1700 case R_SPARC_WDISP22:
1701 case R_SPARC_WDISP19:
1702 case R_SPARC_WDISP16:
1703 case R_SPARC_WDISP10:
1734 if (h != NULL && !bfd_link_pic (info))
1736 /* We may need a .plt entry if the function this reloc
1737 refers to is in a shared lib. */
1738 h->plt.refcount += 1;
1741 /* If we are creating a shared library, and this is a reloc
1742 against a global symbol, or a non PC relative reloc
1743 against a local symbol, then we need to copy the reloc
1744 into the shared library. However, if we are linking with
1745 -Bsymbolic, we do not need to copy a reloc against a
1746 global symbol which is defined in an object we are
1747 including in the link (i.e., DEF_REGULAR is set). At
1748 this point we have not seen all the input files, so it is
1749 possible that DEF_REGULAR is not set now but will be set
1750 later (it is never cleared). In case of a weak definition,
1751 DEF_REGULAR may be cleared later by a strong definition in
1752 a shared library. We account for that possibility below by
1753 storing information in the relocs_copied field of the hash
1754 table entry. A similar situation occurs when creating
1755 shared libraries and symbol visibility changes render the
1758 If on the other hand, we are creating an executable, we
1759 may need to keep relocations for symbols satisfied by a
1760 dynamic library if we manage to avoid copy relocs for the
1762 if ((bfd_link_pic (info)
1763 && (sec->flags & SEC_ALLOC) != 0
1764 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1766 && (! SYMBOLIC_BIND (info, h)
1767 || h->root.type == bfd_link_hash_defweak
1768 || !h->def_regular))))
1769 || (!bfd_link_pic (info)
1770 && (sec->flags & SEC_ALLOC) != 0
1772 && (h->root.type == bfd_link_hash_defweak
1773 || !h->def_regular))
1774 || (!bfd_link_pic (info)
1776 && h->type == STT_GNU_IFUNC))
1778 struct _bfd_sparc_elf_dyn_relocs *p;
1779 struct _bfd_sparc_elf_dyn_relocs **head;
1781 /* When creating a shared object, we must copy these
1782 relocs into the output file. We create a reloc
1783 section in dynobj and make room for the reloc. */
1786 sreloc = _bfd_elf_make_dynamic_reloc_section
1787 (sec, htab->elf.dynobj, htab->word_align_power,
1788 abfd, /*rela?*/ TRUE);
1794 /* If this is a global symbol, we count the number of
1795 relocations we need for this symbol. */
1797 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1800 /* Track dynamic relocs needed for local syms too.
1801 We really need local syms available to do this
1806 BFD_ASSERT (isym != NULL);
1807 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1811 vpp = &elf_section_data (s)->local_dynrel;
1812 head = (struct _bfd_sparc_elf_dyn_relocs **) vpp;
1816 if (p == NULL || p->sec != sec)
1818 bfd_size_type amt = sizeof *p;
1819 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1820 bfd_alloc (htab->elf.dynobj, amt));
1831 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1837 case R_SPARC_GNU_VTINHERIT:
1838 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1842 case R_SPARC_GNU_VTENTRY:
1843 BFD_ASSERT (h != NULL);
1845 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1849 case R_SPARC_REGISTER:
1850 /* Nothing to do. */
1862 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1863 struct bfd_link_info *info,
1864 Elf_Internal_Rela *rel,
1865 struct elf_link_hash_entry *h,
1866 Elf_Internal_Sym *sym)
1869 switch (SPARC_ELF_R_TYPE (rel->r_info))
1871 case R_SPARC_GNU_VTINHERIT:
1872 case R_SPARC_GNU_VTENTRY:
1876 /* FIXME: The test here, in check_relocs and in relocate_section
1877 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
1878 if (bfd_link_pic (info))
1880 switch (SPARC_ELF_R_TYPE (rel->r_info))
1882 case R_SPARC_TLS_GD_CALL:
1883 case R_SPARC_TLS_LDM_CALL:
1884 /* This reloc implicitly references __tls_get_addr. We know
1885 another reloc will reference the same symbol as the one
1886 on this reloc, so the real symbol and section will be
1887 gc marked when processing the other reloc. That lets
1888 us handle __tls_get_addr here. */
1889 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1890 FALSE, FALSE, TRUE);
1891 BFD_ASSERT (h != NULL);
1893 if (h->u.weakdef != NULL)
1894 h->u.weakdef->mark = 1;
1899 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1902 static Elf_Internal_Rela *
1903 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1904 Elf_Internal_Rela *relend,
1907 while (rel < relend)
1909 if (rel->r_offset == offset)
1916 /* Update the got entry reference counts for the section being removed. */
1918 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1919 asection *sec, const Elf_Internal_Rela *relocs)
1921 struct _bfd_sparc_elf_link_hash_table *htab;
1922 Elf_Internal_Shdr *symtab_hdr;
1923 struct elf_link_hash_entry **sym_hashes;
1924 bfd_signed_vma *local_got_refcounts;
1925 const Elf_Internal_Rela *rel, *relend;
1927 if (bfd_link_relocatable (info))
1930 BFD_ASSERT (is_sparc_elf (abfd) || sec->reloc_count == 0);
1932 elf_section_data (sec)->local_dynrel = NULL;
1934 htab = _bfd_sparc_elf_hash_table (info);
1935 BFD_ASSERT (htab != NULL);
1936 symtab_hdr = &elf_symtab_hdr (abfd);
1937 sym_hashes = elf_sym_hashes (abfd);
1938 local_got_refcounts = elf_local_got_refcounts (abfd);
1940 relend = relocs + sec->reloc_count;
1941 for (rel = relocs; rel < relend; rel++)
1943 unsigned long r_symndx;
1944 unsigned int r_type;
1945 struct elf_link_hash_entry *h = NULL;
1947 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1948 if (r_symndx >= symtab_hdr->sh_info)
1950 struct _bfd_sparc_elf_link_hash_entry *eh;
1951 struct _bfd_sparc_elf_dyn_relocs **pp;
1952 struct _bfd_sparc_elf_dyn_relocs *p;
1954 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1955 while (h->root.type == bfd_link_hash_indirect
1956 || h->root.type == bfd_link_hash_warning)
1957 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1958 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1959 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1962 /* Everything must go for SEC. */
1968 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1969 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1972 case R_SPARC_TLS_LDM_HI22:
1973 case R_SPARC_TLS_LDM_LO10:
1974 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
1975 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
1978 case R_SPARC_TLS_GD_HI22:
1979 case R_SPARC_TLS_GD_LO10:
1980 case R_SPARC_TLS_IE_HI22:
1981 case R_SPARC_TLS_IE_LO10:
1985 case R_SPARC_GOTDATA_HIX22:
1986 case R_SPARC_GOTDATA_LOX10:
1987 case R_SPARC_GOTDATA_OP_HIX22:
1988 case R_SPARC_GOTDATA_OP_LOX10:
1991 if (h->got.refcount > 0)
1998 case R_SPARC_GOTDATA_OP_HIX22:
1999 case R_SPARC_GOTDATA_OP_LOX10:
2003 if (local_got_refcounts[r_symndx] > 0)
2004 local_got_refcounts[r_symndx]--;
2012 case R_SPARC_PC_HH22:
2013 case R_SPARC_PC_HM10:
2014 case R_SPARC_PC_LM22:
2016 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2021 case R_SPARC_DISP16:
2022 case R_SPARC_DISP32:
2023 case R_SPARC_DISP64:
2024 case R_SPARC_WDISP30:
2025 case R_SPARC_WDISP22:
2026 case R_SPARC_WDISP19:
2027 case R_SPARC_WDISP16:
2028 case R_SPARC_WDISP10:
2056 if (bfd_link_pic (info))
2060 case R_SPARC_WPLT30:
2063 if (h->plt.refcount > 0)
2076 /* Adjust a symbol defined by a dynamic object and referenced by a
2077 regular object. The current definition is in some section of the
2078 dynamic object, but we're not including those sections. We have to
2079 change the definition to something the rest of the link can
2083 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2084 struct elf_link_hash_entry *h)
2086 struct _bfd_sparc_elf_link_hash_table *htab;
2087 struct _bfd_sparc_elf_link_hash_entry * eh;
2088 struct _bfd_sparc_elf_dyn_relocs *p;
2091 htab = _bfd_sparc_elf_hash_table (info);
2092 BFD_ASSERT (htab != NULL);
2094 /* Make sure we know what is going on here. */
2095 BFD_ASSERT (htab->elf.dynobj != NULL
2097 || h->type == STT_GNU_IFUNC
2098 || h->u.weakdef != NULL
2101 && !h->def_regular)));
2103 /* If this is a function, put it in the procedure linkage table. We
2104 will fill in the contents of the procedure linkage table later
2105 (although we could actually do it here). The STT_NOTYPE
2106 condition is a hack specifically for the Oracle libraries
2107 delivered for Solaris; for some inexplicable reason, they define
2108 some of their functions as STT_NOTYPE when they really should be
2110 if (h->type == STT_FUNC
2111 || h->type == STT_GNU_IFUNC
2113 || (h->type == STT_NOTYPE
2114 && (h->root.type == bfd_link_hash_defined
2115 || h->root.type == bfd_link_hash_defweak)
2116 && (h->root.u.def.section->flags & SEC_CODE) != 0))
2118 if (h->plt.refcount <= 0
2119 || (h->type != STT_GNU_IFUNC
2120 && (SYMBOL_CALLS_LOCAL (info, h)
2121 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2122 && h->root.type == bfd_link_hash_undefweak))))
2124 /* This case can occur if we saw a WPLT30 reloc in an input
2125 file, but the symbol was never referred to by a dynamic
2126 object, or if all references were garbage collected. In
2127 such a case, we don't actually need to build a procedure
2128 linkage table, and we can just do a WDISP30 reloc instead. */
2129 h->plt.offset = (bfd_vma) -1;
2136 h->plt.offset = (bfd_vma) -1;
2138 /* If this is a weak symbol, and there is a real definition, the
2139 processor independent code will have arranged for us to see the
2140 real definition first, and we can just use the same value. */
2141 if (h->u.weakdef != NULL)
2143 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2144 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2145 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2146 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2150 /* This is a reference to a symbol defined by a dynamic object which
2151 is not a function. */
2153 /* If we are creating a shared library, we must presume that the
2154 only references to the symbol are via the global offset table.
2155 For such cases we need not do anything here; the relocations will
2156 be handled correctly by relocate_section. */
2157 if (bfd_link_pic (info))
2160 /* If there are no references to this symbol that do not use the
2161 GOT, we don't need to generate a copy reloc. */
2162 if (!h->non_got_ref)
2165 /* If -z nocopyreloc was given, we won't generate them either. */
2166 if (info->nocopyreloc)
2172 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2173 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2175 s = p->sec->output_section;
2176 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2180 /* If we didn't find any dynamic relocs in read-only sections, then
2181 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2188 /* We must allocate the symbol in our .dynbss section, which will
2189 become part of the .bss section of the executable. There will be
2190 an entry for this symbol in the .dynsym section. The dynamic
2191 object will contain position independent code, so all references
2192 from the dynamic object to this symbol will go through the global
2193 offset table. The dynamic linker will use the .dynsym entry to
2194 determine the address it must put in the global offset table, so
2195 both the dynamic object and the regular object will refer to the
2196 same memory location for the variable. */
2198 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2199 to copy the initial value out of the dynamic object and into the
2200 runtime process image. We need to remember the offset into the
2201 .rel.bss section we are going to use. */
2202 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2204 htab->elf.srelbss->size += SPARC_ELF_RELA_BYTES (htab);
2208 s = htab->elf.sdynbss;
2210 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2213 /* Allocate space in .plt, .got and associated reloc sections for
2217 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2219 struct bfd_link_info *info;
2220 struct _bfd_sparc_elf_link_hash_table *htab;
2221 struct _bfd_sparc_elf_link_hash_entry *eh;
2222 struct _bfd_sparc_elf_dyn_relocs *p;
2224 if (h->root.type == bfd_link_hash_indirect)
2227 info = (struct bfd_link_info *) inf;
2228 htab = _bfd_sparc_elf_hash_table (info);
2229 BFD_ASSERT (htab != NULL);
2231 if ((htab->elf.dynamic_sections_created
2232 && h->plt.refcount > 0)
2233 || (h->type == STT_GNU_IFUNC
2237 /* Make sure this symbol is output as a dynamic symbol.
2238 Undefined weak syms won't yet be marked as dynamic. */
2239 if (h->dynindx == -1
2240 && !h->forced_local)
2242 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2246 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2247 || (h->type == STT_GNU_IFUNC
2250 asection *s = htab->elf.splt;
2255 /* Allocate room for the header. */
2258 s->size = htab->plt_header_size;
2260 /* Allocate space for the .rela.plt.unloaded relocations. */
2261 if (htab->is_vxworks && !bfd_link_pic (info))
2262 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2265 /* The procedure linkage table size is bounded by the magnitude
2266 of the offset we can describe in the entry. */
2267 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2268 (((bfd_vma)1 << 31) << 1) : 0x400000))
2270 bfd_set_error (bfd_error_bad_value);
2274 if (SPARC_ELF_WORD_BYTES(htab) == 8
2275 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2277 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2280 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2282 h->plt.offset = (s->size - (off * 8));
2285 h->plt.offset = s->size;
2287 /* If this symbol is not defined in a regular file, and we are
2288 not generating a shared library, then set the symbol to this
2289 location in the .plt. This is required to make function
2290 pointers compare as equal between the normal executable and
2291 the shared library. */
2292 if (! bfd_link_pic (info)
2295 h->root.u.def.section = s;
2296 h->root.u.def.value = h->plt.offset;
2299 /* Make room for this entry. */
2300 s->size += htab->plt_entry_size;
2302 /* We also need to make an entry in the .rela.plt section. */
2303 if (s == htab->elf.splt)
2304 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2306 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2308 if (htab->is_vxworks)
2310 /* Allocate space for the .got.plt entry. */
2311 htab->elf.sgotplt->size += 4;
2313 /* ...and for the .rela.plt.unloaded relocations. */
2314 if (!bfd_link_pic (info))
2315 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2320 h->plt.offset = (bfd_vma) -1;
2326 h->plt.offset = (bfd_vma) -1;
2330 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2331 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2332 if (h->got.refcount > 0
2333 && !bfd_link_pic (info)
2335 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2336 h->got.offset = (bfd_vma) -1;
2337 else if (h->got.refcount > 0)
2341 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2343 /* Make sure this symbol is output as a dynamic symbol.
2344 Undefined weak syms won't yet be marked as dynamic. */
2345 if (h->dynindx == -1
2346 && !h->forced_local)
2348 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2353 h->got.offset = s->size;
2354 s->size += SPARC_ELF_WORD_BYTES (htab);
2355 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2356 if (tls_type == GOT_TLS_GD)
2357 s->size += SPARC_ELF_WORD_BYTES (htab);
2358 dyn = htab->elf.dynamic_sections_created;
2359 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2360 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2362 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2363 || tls_type == GOT_TLS_IE
2364 || h->type == STT_GNU_IFUNC)
2365 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2366 else if (tls_type == GOT_TLS_GD)
2367 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2368 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2369 bfd_link_pic (info),
2371 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2374 h->got.offset = (bfd_vma) -1;
2376 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2377 if (eh->dyn_relocs == NULL)
2380 /* In the shared -Bsymbolic case, discard space allocated for
2381 dynamic pc-relative relocs against symbols which turn out to be
2382 defined in regular objects. For the normal shared case, discard
2383 space for pc-relative relocs that have become local due to symbol
2384 visibility changes. */
2386 if (bfd_link_pic (info))
2388 if (SYMBOL_CALLS_LOCAL (info, h))
2390 struct _bfd_sparc_elf_dyn_relocs **pp;
2392 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2394 p->count -= p->pc_count;
2403 if (htab->is_vxworks)
2405 struct _bfd_sparc_elf_dyn_relocs **pp;
2407 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2409 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2416 /* Also discard relocs on undefined weak syms with non-default
2418 if (eh->dyn_relocs != NULL
2419 && h->root.type == bfd_link_hash_undefweak)
2421 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2422 eh->dyn_relocs = NULL;
2424 /* Make sure undefined weak symbols are output as a dynamic
2426 else if (h->dynindx == -1
2427 && !h->forced_local)
2429 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2436 /* For the non-shared case, discard space for relocs against
2437 symbols which turn out to need copy relocs or are not
2443 || (htab->elf.dynamic_sections_created
2444 && (h->root.type == bfd_link_hash_undefweak
2445 || h->root.type == bfd_link_hash_undefined))))
2447 /* Make sure this symbol is output as a dynamic symbol.
2448 Undefined weak syms won't yet be marked as dynamic. */
2449 if (h->dynindx == -1
2450 && !h->forced_local)
2452 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2456 /* If that succeeded, we know we'll be keeping all the
2458 if (h->dynindx != -1)
2462 eh->dyn_relocs = NULL;
2467 /* Finally, allocate space. */
2468 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2470 asection *sreloc = elf_section_data (p->sec)->sreloc;
2471 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2477 /* Allocate space in .plt, .got and associated reloc sections for
2478 local dynamic relocs. */
2481 allocate_local_dynrelocs (void **slot, void *inf)
2483 struct elf_link_hash_entry *h
2484 = (struct elf_link_hash_entry *) *slot;
2486 if (h->type != STT_GNU_IFUNC
2490 || h->root.type != bfd_link_hash_defined)
2493 return allocate_dynrelocs (h, inf);
2496 /* Find any dynamic relocs that apply to read-only sections. */
2499 readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2501 struct _bfd_sparc_elf_link_hash_entry *eh;
2502 struct _bfd_sparc_elf_dyn_relocs *p;
2504 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2505 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2507 asection *s = p->sec->output_section;
2509 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2511 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2513 info->flags |= DF_TEXTREL;
2515 /* Not an error, just cut short the traversal. */
2522 /* Return true if the dynamic symbol for a given section should be
2523 omitted when creating a shared library. */
2526 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2527 struct bfd_link_info *info,
2530 /* We keep the .got section symbol so that explicit relocations
2531 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2532 can be turned into relocations against the .got symbol. */
2533 if (strcmp (p->name, ".got") == 0)
2536 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2539 /* Set the sizes of the dynamic sections. */
2542 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2543 struct bfd_link_info *info)
2545 struct _bfd_sparc_elf_link_hash_table *htab;
2550 htab = _bfd_sparc_elf_hash_table (info);
2551 BFD_ASSERT (htab != NULL);
2552 dynobj = htab->elf.dynobj;
2553 BFD_ASSERT (dynobj != NULL);
2555 if (elf_hash_table (info)->dynamic_sections_created)
2557 /* Set the contents of the .interp section to the interpreter. */
2558 if (bfd_link_executable (info) && !info->nointerp)
2560 s = bfd_get_linker_section (dynobj, ".interp");
2561 BFD_ASSERT (s != NULL);
2562 s->size = htab->dynamic_interpreter_size;
2563 s->contents = (unsigned char *) htab->dynamic_interpreter;
2567 /* Set up .got offsets for local syms, and space for local dynamic
2569 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2571 bfd_signed_vma *local_got;
2572 bfd_signed_vma *end_local_got;
2573 char *local_tls_type;
2574 bfd_size_type locsymcount;
2575 Elf_Internal_Shdr *symtab_hdr;
2578 if (! is_sparc_elf (ibfd))
2581 for (s = ibfd->sections; s != NULL; s = s->next)
2583 struct _bfd_sparc_elf_dyn_relocs *p;
2585 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2587 if (!bfd_is_abs_section (p->sec)
2588 && bfd_is_abs_section (p->sec->output_section))
2590 /* Input section has been discarded, either because
2591 it is a copy of a linkonce section or due to
2592 linker script /DISCARD/, so we'll be discarding
2595 else if (htab->is_vxworks
2596 && strcmp (p->sec->output_section->name,
2599 /* Relocations in vxworks .tls_vars sections are
2600 handled specially by the loader. */
2602 else if (p->count != 0)
2604 srel = elf_section_data (p->sec)->sreloc;
2605 if (!htab->elf.dynamic_sections_created)
2606 srel = htab->elf.irelplt;
2607 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2608 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2609 info->flags |= DF_TEXTREL;
2614 local_got = elf_local_got_refcounts (ibfd);
2618 symtab_hdr = &elf_symtab_hdr (ibfd);
2619 locsymcount = symtab_hdr->sh_info;
2620 end_local_got = local_got + locsymcount;
2621 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2623 srel = htab->elf.srelgot;
2624 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2628 *local_got = s->size;
2629 s->size += SPARC_ELF_WORD_BYTES (htab);
2630 if (*local_tls_type == GOT_TLS_GD)
2631 s->size += SPARC_ELF_WORD_BYTES (htab);
2632 if (bfd_link_pic (info)
2633 || *local_tls_type == GOT_TLS_GD
2634 || *local_tls_type == GOT_TLS_IE)
2635 srel->size += SPARC_ELF_RELA_BYTES (htab);
2638 *local_got = (bfd_vma) -1;
2642 if (htab->tls_ldm_got.refcount > 0)
2644 /* Allocate 2 got entries and 1 dynamic reloc for
2645 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2646 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2647 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2648 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2651 htab->tls_ldm_got.offset = -1;
2653 /* Allocate global sym .plt and .got entries, and space for global
2654 sym dynamic relocs. */
2655 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2657 /* Allocate .plt and .got entries, and space for local symbols. */
2658 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2660 if (! ABI_64_P (output_bfd)
2661 && !htab->is_vxworks
2662 && elf_hash_table (info)->dynamic_sections_created)
2664 /* Make space for the trailing nop in .plt. */
2665 if (htab->elf.splt->size > 0)
2666 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2668 /* If the .got section is more than 0x1000 bytes, we add
2669 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2670 bit relocations have a greater chance of working.
2672 FIXME: Make this optimization work for 64-bit too. */
2673 if (htab->elf.sgot->size >= 0x1000
2674 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2675 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2678 /* The check_relocs and adjust_dynamic_symbol entry points have
2679 determined the sizes of the various dynamic sections. Allocate
2681 for (s = dynobj->sections; s != NULL; s = s->next)
2683 if ((s->flags & SEC_LINKER_CREATED) == 0)
2686 if (s == htab->elf.splt
2687 || s == htab->elf.sgot
2688 || s == htab->elf.sdynbss
2689 || s == htab->elf.iplt
2690 || s == htab->elf.sgotplt)
2692 /* Strip this section if we don't need it; see the
2695 else if (CONST_STRNEQ (s->name, ".rela"))
2699 /* We use the reloc_count field as a counter if we need
2700 to copy relocs into the output file. */
2706 /* It's not one of our sections. */
2712 /* If we don't need this section, strip it from the
2713 output file. This is mostly to handle .rela.bss and
2714 .rela.plt. We must create both sections in
2715 create_dynamic_sections, because they must be created
2716 before the linker maps input sections to output
2717 sections. The linker does that before
2718 adjust_dynamic_symbol is called, and it is that
2719 function which decides whether anything needs to go
2720 into these sections. */
2721 s->flags |= SEC_EXCLUDE;
2725 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2728 /* Allocate memory for the section contents. Zero the memory
2729 for the benefit of .rela.plt, which has 4 unused entries
2730 at the beginning, and we don't want garbage. */
2731 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2732 if (s->contents == NULL)
2736 if (elf_hash_table (info)->dynamic_sections_created)
2738 /* Add some entries to the .dynamic section. We fill in the
2739 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2740 must add the entries now so that we get the correct size for
2741 the .dynamic section. The DT_DEBUG entry is filled in by the
2742 dynamic linker and used by the debugger. */
2743 #define add_dynamic_entry(TAG, VAL) \
2744 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2746 if (bfd_link_executable (info))
2748 if (!add_dynamic_entry (DT_DEBUG, 0))
2752 if (htab->elf.srelplt->size != 0)
2754 if (!add_dynamic_entry (DT_PLTGOT, 0)
2755 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2756 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2757 || !add_dynamic_entry (DT_JMPREL, 0))
2761 if (!add_dynamic_entry (DT_RELA, 0)
2762 || !add_dynamic_entry (DT_RELASZ, 0)
2763 || !add_dynamic_entry (DT_RELAENT,
2764 SPARC_ELF_RELA_BYTES (htab)))
2767 /* If any dynamic relocs apply to a read-only section,
2768 then we need a DT_TEXTREL entry. */
2769 if ((info->flags & DF_TEXTREL) == 0)
2770 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
2772 if (info->flags & DF_TEXTREL)
2774 if (!add_dynamic_entry (DT_TEXTREL, 0))
2778 if (ABI_64_P (output_bfd))
2781 struct _bfd_sparc_elf_app_reg * app_regs;
2782 struct elf_strtab_hash *dynstr;
2783 struct elf_link_hash_table *eht = elf_hash_table (info);
2785 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2786 entries if needed. */
2787 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2788 dynstr = eht->dynstr;
2790 for (reg = 0; reg < 4; reg++)
2791 if (app_regs [reg].name != NULL)
2793 struct elf_link_local_dynamic_entry *entry, *e;
2795 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2798 entry = (struct elf_link_local_dynamic_entry *)
2799 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2803 /* We cheat here a little bit: the symbol will not be local, so we
2804 put it at the end of the dynlocal linked list. We will fix it
2805 later on, as we have to fix other fields anyway. */
2806 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2807 entry->isym.st_size = 0;
2808 if (*app_regs [reg].name != '\0')
2810 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2812 entry->isym.st_name = 0;
2813 entry->isym.st_other = 0;
2814 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2816 entry->isym.st_shndx = app_regs [reg].shndx;
2817 entry->isym.st_target_internal = 0;
2819 entry->input_bfd = output_bfd;
2820 entry->input_indx = -1;
2822 if (eht->dynlocal == NULL)
2823 eht->dynlocal = entry;
2826 for (e = eht->dynlocal; e->next; e = e->next)
2833 if (htab->is_vxworks
2834 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2837 #undef add_dynamic_entry
2843 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2845 if (!sec->used_by_bfd)
2847 struct _bfd_sparc_elf_section_data *sdata;
2848 bfd_size_type amt = sizeof (*sdata);
2850 sdata = bfd_zalloc (abfd, amt);
2853 sec->used_by_bfd = sdata;
2856 return _bfd_elf_new_section_hook (abfd, sec);
2860 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2861 struct bfd_section *section,
2862 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2865 if (bfd_link_relocatable (link_info))
2866 (*link_info->callbacks->einfo)
2867 (_("%P%F: --relax and -r may not be used together\n"));
2870 sec_do_relax (section) = 1;
2874 /* Return the base VMA address which should be subtracted from real addresses
2875 when resolving @dtpoff relocation.
2876 This is PT_TLS segment p_vaddr. */
2879 dtpoff_base (struct bfd_link_info *info)
2881 /* If tls_sec is NULL, we should have signalled an error already. */
2882 if (elf_hash_table (info)->tls_sec == NULL)
2884 return elf_hash_table (info)->tls_sec->vma;
2887 /* Return the relocation value for @tpoff relocation
2888 if STT_TLS virtual address is ADDRESS. */
2891 tpoff (struct bfd_link_info *info, bfd_vma address)
2893 struct elf_link_hash_table *htab = elf_hash_table (info);
2894 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2895 bfd_vma static_tls_size;
2897 /* If tls_sec is NULL, we should have signalled an error already. */
2898 if (htab->tls_sec == NULL)
2901 /* Consider special static TLS alignment requirements. */
2902 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2903 return address - static_tls_size - htab->tls_sec->vma;
2906 /* Return the relocation value for a %gdop relocation. */
2909 gdopoff (struct bfd_link_info *info, bfd_vma address)
2911 struct elf_link_hash_table *htab = elf_hash_table (info);
2914 got_base = (htab->hgot->root.u.def.value
2915 + htab->hgot->root.u.def.section->output_offset
2916 + htab->hgot->root.u.def.section->output_section->vma);
2918 return address - got_base;
2921 /* Relocate a SPARC ELF section. */
2924 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2925 struct bfd_link_info *info,
2927 asection *input_section,
2929 Elf_Internal_Rela *relocs,
2930 Elf_Internal_Sym *local_syms,
2931 asection **local_sections)
2933 struct _bfd_sparc_elf_link_hash_table *htab;
2934 Elf_Internal_Shdr *symtab_hdr;
2935 struct elf_link_hash_entry **sym_hashes;
2936 bfd_vma *local_got_offsets;
2939 Elf_Internal_Rela *rel;
2940 Elf_Internal_Rela *relend;
2942 bfd_boolean is_vxworks_tls;
2944 htab = _bfd_sparc_elf_hash_table (info);
2945 BFD_ASSERT (htab != NULL);
2946 symtab_hdr = &elf_symtab_hdr (input_bfd);
2947 sym_hashes = elf_sym_hashes (input_bfd);
2948 local_got_offsets = elf_local_got_offsets (input_bfd);
2950 if (elf_hash_table (info)->hgot == NULL)
2953 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2955 sreloc = elf_section_data (input_section)->sreloc;
2956 /* We have to handle relocations in vxworks .tls_vars sections
2957 specially, because the dynamic loader is 'weird'. */
2958 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
2959 && !strcmp (input_section->output_section->name,
2963 if (ABI_64_P (output_bfd))
2964 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2966 num_relocs = input_section->reloc_count;
2967 relend = relocs + num_relocs;
2968 for (; rel < relend; rel++)
2970 int r_type, tls_type;
2971 reloc_howto_type *howto;
2972 unsigned long r_symndx;
2973 struct elf_link_hash_entry *h;
2974 Elf_Internal_Sym *sym;
2976 bfd_vma relocation, off;
2977 bfd_reloc_status_type r;
2978 bfd_boolean is_plt = FALSE;
2979 bfd_boolean unresolved_reloc;
2981 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2982 if (r_type == R_SPARC_GNU_VTINHERIT
2983 || r_type == R_SPARC_GNU_VTENTRY)
2986 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2988 bfd_set_error (bfd_error_bad_value);
2991 howto = _bfd_sparc_elf_howto_table + r_type;
2993 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2997 unresolved_reloc = FALSE;
2998 if (r_symndx < symtab_hdr->sh_info)
3000 sym = local_syms + r_symndx;
3001 sec = local_sections[r_symndx];
3002 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
3004 if (!bfd_link_relocatable (info)
3005 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
3007 /* Relocate against local STT_GNU_IFUNC symbol. */
3008 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
3013 /* Set STT_GNU_IFUNC symbol value. */
3014 h->root.u.def.value = sym->st_value;
3015 h->root.u.def.section = sec;
3020 bfd_boolean warned, ignored;
3022 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
3023 r_symndx, symtab_hdr, sym_hashes,
3025 unresolved_reloc, warned, ignored);
3028 /* To avoid generating warning messages about truncated
3029 relocations, set the relocation's address to be the same as
3030 the start of this section. */
3031 if (input_section->output_section != NULL)
3032 relocation = input_section->output_section->vma;
3038 if (sec != NULL && discarded_section (sec))
3039 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3040 rel, 1, relend, howto, 0, contents);
3042 if (bfd_link_relocatable (info))
3046 && h->type == STT_GNU_IFUNC
3052 if ((input_section->flags & SEC_ALLOC) == 0
3053 || h->plt.offset == (bfd_vma) -1)
3056 plt_sec = htab->elf.splt;
3058 plt_sec =htab->elf.iplt;
3062 case R_SPARC_GOTDATA_OP:
3065 case R_SPARC_GOTDATA_OP_HIX22:
3066 case R_SPARC_GOTDATA_OP_LOX10:
3067 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3070 howto = _bfd_sparc_elf_howto_table + r_type;
3076 if (htab->elf.sgot == NULL)
3078 off = h->got.offset;
3079 if (off == (bfd_vma) -1)
3081 relocation = htab->elf.sgot->output_offset + off - got_base;
3084 case R_SPARC_WPLT30:
3085 case R_SPARC_WDISP30:
3086 relocation = (plt_sec->output_section->vma
3087 + plt_sec->output_offset + h->plt.offset);
3092 if (bfd_link_pic (info) && h->non_got_ref)
3094 Elf_Internal_Rela outrel;
3097 offset = _bfd_elf_section_offset (output_bfd, info,
3100 if (offset == (bfd_vma) -1
3101 || offset == (bfd_vma) -2)
3104 outrel.r_offset = (input_section->output_section->vma
3105 + input_section->output_offset
3108 if (h->dynindx == -1
3110 || bfd_link_executable (info))
3112 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3113 0, R_SPARC_IRELATIVE);
3114 outrel.r_addend = relocation + rel->r_addend;
3118 if (h->dynindx == -1)
3120 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3121 outrel.r_addend = rel->r_addend;
3124 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3128 relocation = (plt_sec->output_section->vma
3129 + plt_sec->output_offset + h->plt.offset);
3134 /* We should only see such relocs in static links. */
3135 if (bfd_link_pic (info))
3137 relocation = (plt_sec->output_section->vma
3138 + plt_sec->output_offset + h->plt.offset);
3142 if (h->root.root.string)
3143 name = h->root.root.string;
3145 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3148 /* xgettext:c-format */
3149 (_("%B: relocation %s against STT_GNU_IFUNC "
3150 "symbol `%s' isn't handled by %s"), input_bfd,
3151 _bfd_sparc_elf_howto_table[r_type].name,
3152 name, __FUNCTION__);
3153 bfd_set_error (bfd_error_bad_value);
3160 case R_SPARC_GOTDATA_OP_HIX22:
3161 case R_SPARC_GOTDATA_OP_LOX10:
3162 if (SYMBOL_REFERENCES_LOCAL (info, h))
3164 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3165 ? R_SPARC_GOTDATA_HIX22
3166 : R_SPARC_GOTDATA_LOX10);
3167 howto = _bfd_sparc_elf_howto_table + r_type;
3171 case R_SPARC_GOTDATA_OP:
3172 if (SYMBOL_REFERENCES_LOCAL (info, h))
3174 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3176 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3177 relocation = 0x80000000 | (insn & 0x3e07c01f);
3178 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3185 case R_SPARC_GOTDATA_HIX22:
3186 case R_SPARC_GOTDATA_LOX10:
3187 relocation = gdopoff (info, relocation);
3190 case R_SPARC_GOTDATA_OP_HIX22:
3191 case R_SPARC_GOTDATA_OP_LOX10:
3195 /* Relocation is to the entry for this symbol in the global
3197 if (htab->elf.sgot == NULL)
3204 off = h->got.offset;
3205 BFD_ASSERT (off != (bfd_vma) -1);
3206 dyn = elf_hash_table (info)->dynamic_sections_created;
3208 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3209 bfd_link_pic (info),
3211 || (bfd_link_pic (info)
3212 && SYMBOL_REFERENCES_LOCAL (info, h)))
3214 /* This is actually a static link, or it is a
3215 -Bsymbolic link and the symbol is defined
3216 locally, or the symbol was forced to be local
3217 because of a version file. We must initialize
3218 this entry in the global offset table. Since the
3219 offset must always be a multiple of 8 for 64-bit
3220 and 4 for 32-bit, we use the least significant bit
3221 to record whether we have initialized it already.
3223 When doing a dynamic link, we create a .rela.got
3224 relocation entry to initialize the value. This
3225 is done in the finish_dynamic_symbol routine. */
3230 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3231 htab->elf.sgot->contents + off);
3236 unresolved_reloc = FALSE;
3240 BFD_ASSERT (local_got_offsets != NULL
3241 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3243 off = local_got_offsets[r_symndx];
3245 /* The offset must always be a multiple of 8 on 64-bit and
3246 4 on 32-bit. We use the least significant bit to record
3247 whether we have already processed this entry. */
3253 if (bfd_link_pic (info))
3256 Elf_Internal_Rela outrel;
3258 /* We need to generate a R_SPARC_RELATIVE reloc
3259 for the dynamic linker. */
3260 s = htab->elf.srelgot;
3261 BFD_ASSERT (s != NULL);
3263 outrel.r_offset = (htab->elf.sgot->output_section->vma
3264 + htab->elf.sgot->output_offset
3266 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3267 0, R_SPARC_RELATIVE);
3268 outrel.r_addend = relocation;
3270 sparc_elf_append_rela (output_bfd, s, &outrel);
3273 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3274 htab->elf.sgot->contents + off);
3275 local_got_offsets[r_symndx] |= 1;
3278 relocation = htab->elf.sgot->output_offset + off - got_base;
3283 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3285 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3290 case R_SPARC_WPLT30:
3291 case R_SPARC_HIPLT22:
3292 case R_SPARC_LOPLT10:
3293 case R_SPARC_PCPLT32:
3294 case R_SPARC_PCPLT22:
3295 case R_SPARC_PCPLT10:
3297 /* Relocation is to the entry for this symbol in the
3298 procedure linkage table. */
3300 if (! ABI_64_P (output_bfd))
3302 /* The Solaris native assembler will generate a WPLT30 reloc
3303 for a local symbol if you assemble a call from one
3304 section to another when using -K pic. We treat it as
3309 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3310 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3314 BFD_ASSERT (h != NULL);
3317 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3319 /* We didn't make a PLT entry for this symbol. This
3320 happens when statically linking PIC code, or when
3321 using -Bsymbolic. */
3325 relocation = (htab->elf.splt->output_section->vma
3326 + htab->elf.splt->output_offset
3328 unresolved_reloc = FALSE;
3329 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3331 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3339 case R_SPARC_PC_HH22:
3340 case R_SPARC_PC_HM10:
3341 case R_SPARC_PC_LM22:
3343 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3347 case R_SPARC_DISP16:
3348 case R_SPARC_DISP32:
3349 case R_SPARC_DISP64:
3350 case R_SPARC_WDISP30:
3351 case R_SPARC_WDISP22:
3352 case R_SPARC_WDISP19:
3353 case R_SPARC_WDISP16:
3354 case R_SPARC_WDISP10:
3382 if ((input_section->flags & SEC_ALLOC) == 0
3386 if ((bfd_link_pic (info)
3388 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3389 || h->root.type != bfd_link_hash_undefweak)
3390 && (! howto->pc_relative
3391 || !SYMBOL_CALLS_LOCAL (info, h)))
3392 || (!bfd_link_pic (info)
3398 || h->root.type == bfd_link_hash_undefweak
3399 || h->root.type == bfd_link_hash_undefined)))
3401 Elf_Internal_Rela outrel;
3402 bfd_boolean skip, relocate = FALSE;
3404 /* When generating a shared object, these relocations
3405 are copied into the output file to be resolved at run
3408 BFD_ASSERT (sreloc != NULL);
3413 _bfd_elf_section_offset (output_bfd, info, input_section,
3415 if (outrel.r_offset == (bfd_vma) -1)
3417 else if (outrel.r_offset == (bfd_vma) -2)
3418 skip = TRUE, relocate = TRUE;
3419 outrel.r_offset += (input_section->output_section->vma
3420 + input_section->output_offset);
3422 /* Optimize unaligned reloc usage now that we know where
3423 it finally resides. */
3427 if (outrel.r_offset & 1)
3428 r_type = R_SPARC_UA16;
3431 if (!(outrel.r_offset & 1))
3432 r_type = R_SPARC_16;
3435 if (outrel.r_offset & 3)
3436 r_type = R_SPARC_UA32;
3439 if (!(outrel.r_offset & 3))
3440 r_type = R_SPARC_32;
3443 if (outrel.r_offset & 7)
3444 r_type = R_SPARC_UA64;
3447 if (!(outrel.r_offset & 7))
3448 r_type = R_SPARC_64;
3451 case R_SPARC_DISP16:
3452 case R_SPARC_DISP32:
3453 case R_SPARC_DISP64:
3454 /* If the symbol is not dynamic, we should not keep
3455 a dynamic relocation. But an .rela.* slot has been
3456 allocated for it, output R_SPARC_NONE.
3457 FIXME: Add code tracking needed dynamic relocs as
3459 if (h->dynindx == -1)
3460 skip = TRUE, relocate = TRUE;
3465 memset (&outrel, 0, sizeof outrel);
3466 /* h->dynindx may be -1 if the symbol was marked to
3470 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3471 || !bfd_link_pic (info)
3472 || !SYMBOLIC_BIND (info, h)
3473 || !h->def_regular))
3475 BFD_ASSERT (h->dynindx != -1);
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 (_("%B: 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 if (! ABI_64_P (input_bfd)
3551 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
3553 /* R_SPARC_REV32 used the same reloc number as
3554 R_SPARC_TLS_GD_HI22. */
3555 r_type = R_SPARC_REV32;
3560 case R_SPARC_TLS_GD_LO10:
3561 case R_SPARC_TLS_IE_HI22:
3562 case R_SPARC_TLS_IE_LO10:
3563 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
3564 tls_type = GOT_UNKNOWN;
3565 if (h == NULL && local_got_offsets)
3566 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3569 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3570 if (!bfd_link_pic (info)
3572 && tls_type == GOT_TLS_IE)
3573 switch (SPARC_ELF_R_TYPE (rel->r_info))
3575 case R_SPARC_TLS_GD_HI22:
3576 case R_SPARC_TLS_IE_HI22:
3577 r_type = R_SPARC_TLS_LE_HIX22;
3580 r_type = R_SPARC_TLS_LE_LOX10;
3584 if (tls_type == GOT_TLS_IE)
3587 case R_SPARC_TLS_GD_HI22:
3588 r_type = R_SPARC_TLS_IE_HI22;
3590 case R_SPARC_TLS_GD_LO10:
3591 r_type = R_SPARC_TLS_IE_LO10;
3595 if (r_type == R_SPARC_TLS_LE_HIX22)
3597 relocation = tpoff (info, relocation);
3600 if (r_type == R_SPARC_TLS_LE_LOX10)
3602 /* Change add into xor. */
3603 relocation = tpoff (info, relocation);
3604 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3605 contents + rel->r_offset)
3606 | 0x80182000), contents + rel->r_offset);
3612 off = h->got.offset;
3617 BFD_ASSERT (local_got_offsets != NULL);
3618 off = local_got_offsets[r_symndx];
3619 local_got_offsets[r_symndx] |= 1;
3623 if (htab->elf.sgot == NULL)
3630 Elf_Internal_Rela outrel;
3633 if (htab->elf.srelgot == NULL)
3636 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3637 htab->elf.sgot->contents + off);
3638 outrel.r_offset = (htab->elf.sgot->output_section->vma
3639 + htab->elf.sgot->output_offset + off);
3640 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3641 if (r_type == R_SPARC_TLS_IE_HI22
3642 || r_type == R_SPARC_TLS_IE_LO10)
3643 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3645 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3646 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3647 outrel.r_addend = relocation - dtpoff_base (info);
3649 outrel.r_addend = 0;
3650 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3651 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3653 if (r_type == R_SPARC_TLS_GD_HI22
3654 || r_type == R_SPARC_TLS_GD_LO10)
3658 BFD_ASSERT (! unresolved_reloc);
3659 SPARC_ELF_PUT_WORD (htab, output_bfd,
3660 relocation - dtpoff_base (info),
3661 (htab->elf.sgot->contents + off
3662 + SPARC_ELF_WORD_BYTES (htab)));
3666 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3667 (htab->elf.sgot->contents + off
3668 + SPARC_ELF_WORD_BYTES (htab)));
3669 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3670 SPARC_ELF_DTPOFF_RELOC (htab));
3671 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3672 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3676 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3678 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3679 (htab->elf.sgot->contents + off
3680 + SPARC_ELF_WORD_BYTES (htab)));
3684 if (off >= (bfd_vma) -2)
3687 relocation = htab->elf.sgot->output_offset + off - got_base;
3688 unresolved_reloc = FALSE;
3689 howto = _bfd_sparc_elf_howto_table + r_type;
3692 case R_SPARC_TLS_LDM_HI22:
3693 case R_SPARC_TLS_LDM_LO10:
3694 if (! bfd_link_pic (info))
3696 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3699 off = htab->tls_ldm_got.offset;
3700 htab->tls_ldm_got.offset |= 1;
3701 goto r_sparc_tlsldm;
3703 case R_SPARC_TLS_LDO_HIX22:
3704 case R_SPARC_TLS_LDO_LOX10:
3705 if (bfd_link_pic (info))
3707 relocation -= dtpoff_base (info);
3711 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3712 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3715 case R_SPARC_TLS_LE_HIX22:
3716 case R_SPARC_TLS_LE_LOX10:
3717 if (bfd_link_pic (info))
3719 Elf_Internal_Rela outrel;
3722 BFD_ASSERT (sreloc != NULL);
3725 _bfd_elf_section_offset (output_bfd, info, input_section,
3727 if (outrel.r_offset == (bfd_vma) -1)
3729 else if (outrel.r_offset == (bfd_vma) -2)
3731 outrel.r_offset += (input_section->output_section->vma
3732 + input_section->output_offset);
3734 memset (&outrel, 0, sizeof outrel);
3737 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3738 outrel.r_addend = relocation - dtpoff_base (info)
3742 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3745 relocation = tpoff (info, relocation);
3748 case R_SPARC_TLS_LDM_CALL:
3749 if (! bfd_link_pic (info))
3752 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3757 case R_SPARC_TLS_GD_CALL:
3758 tls_type = GOT_UNKNOWN;
3759 if (h == NULL && local_got_offsets)
3760 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3762 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3763 if (! bfd_link_pic (info)
3764 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3766 Elf_Internal_Rela *rel2;
3769 if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
3772 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3777 if (rel + 1 < relend
3778 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3779 && rel[1].r_offset == rel->r_offset + 4
3780 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3781 && (((insn = bfd_get_32 (input_bfd,
3782 contents + rel[1].r_offset))
3783 >> 25) & 0x1f) == 8)
3786 call __tls_get_addr, %tgd_call(foo)
3787 add %reg1, %reg2, %o0, %tgd_add(foo)
3788 and change it into IE:
3789 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3790 add %g7, %o0, %o0, %tie_add(foo).
3791 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3792 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3793 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3794 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3795 contents + rel->r_offset);
3796 bfd_put_32 (output_bfd, 0x9001c008,
3797 contents + rel->r_offset + 4);
3802 /* We cannot just overwrite the delay slot instruction,
3803 as it might be what puts the %o0 argument to
3804 __tls_get_addr into place. So we have to transpose
3805 the delay slot with the add we patch in. */
3806 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3807 bfd_put_32 (output_bfd, insn,
3808 contents + rel->r_offset);
3809 bfd_put_32 (output_bfd, 0x9001c008,
3810 contents + rel->r_offset + 4);
3813 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3817 /* If the instruction we moved has a relocation attached to
3818 it, adjust the offset so that it will apply to the correct
3820 rel2->r_offset -= 4;
3825 h = (struct elf_link_hash_entry *)
3826 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3828 BFD_ASSERT (h != NULL);
3829 r_type = R_SPARC_WPLT30;
3830 howto = _bfd_sparc_elf_howto_table + r_type;
3831 goto r_sparc_wplt30;
3833 case R_SPARC_TLS_GD_ADD:
3834 tls_type = GOT_UNKNOWN;
3835 if (h == NULL && local_got_offsets)
3836 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3838 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3839 if (! bfd_link_pic (info) || tls_type == GOT_TLS_IE)
3841 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3843 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3845 add %g7, %reg2, %reg3. */
3846 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3847 if ((h != NULL && h->dynindx != -1) || bfd_link_pic (info))
3848 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3850 relocation = (insn & ~0x7c000) | 0x1c000;
3851 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3855 case R_SPARC_TLS_LDM_ADD:
3856 if (! bfd_link_pic (info))
3857 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3860 case R_SPARC_TLS_LDO_ADD:
3861 if (! bfd_link_pic (info))
3863 /* Change rs1 into %g7. */
3864 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3865 insn = (insn & ~0x7c000) | 0x1c000;
3866 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3870 case R_SPARC_TLS_IE_LD:
3871 case R_SPARC_TLS_IE_LDX:
3872 if (! bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
3874 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3875 int rs2 = insn & 0x1f;
3876 int rd = (insn >> 25) & 0x1f;
3879 relocation = SPARC_NOP;
3881 relocation = 0x80100000 | (insn & 0x3e00001f);
3882 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3886 case R_SPARC_TLS_IE_ADD:
3887 /* Totally useless relocation. */
3890 case R_SPARC_TLS_DTPOFF32:
3891 case R_SPARC_TLS_DTPOFF64:
3892 relocation -= dtpoff_base (info);
3899 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3900 because such sections are not SEC_ALLOC and thus ld.so will
3901 not process them. */
3902 if (unresolved_reloc
3903 && !((input_section->flags & SEC_DEBUGGING) != 0
3905 && _bfd_elf_section_offset (output_bfd, info, input_section,
3906 rel->r_offset) != (bfd_vma) -1)
3908 /* xgettext:c-format */
3909 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3912 (long) rel->r_offset,
3914 h->root.root.string);
3916 r = bfd_reloc_continue;
3917 if (r_type == R_SPARC_OLO10)
3921 if (! ABI_64_P (output_bfd))
3924 relocation += rel->r_addend;
3925 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3927 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3928 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3929 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3931 r = bfd_check_overflow (howto->complain_on_overflow,
3932 howto->bitsize, howto->rightshift,
3933 bfd_arch_bits_per_address (input_bfd),
3936 else if (r_type == R_SPARC_WDISP16)
3940 relocation += rel->r_addend;
3941 relocation -= (input_section->output_section->vma
3942 + input_section->output_offset);
3943 relocation -= rel->r_offset;
3945 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3946 x |= ((((relocation >> 2) & 0xc000) << 6)
3947 | ((relocation >> 2) & 0x3fff));
3948 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3950 r = bfd_check_overflow (howto->complain_on_overflow,
3951 howto->bitsize, howto->rightshift,
3952 bfd_arch_bits_per_address (input_bfd),
3955 else if (r_type == R_SPARC_WDISP10)
3959 relocation += rel->r_addend;
3960 relocation -= (input_section->output_section->vma
3961 + input_section->output_offset);
3962 relocation -= rel->r_offset;
3964 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3965 x |= ((((relocation >> 2) & 0x300) << 11)
3966 | (((relocation >> 2) & 0xff) << 5));
3967 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3969 r = bfd_check_overflow (howto->complain_on_overflow,
3970 howto->bitsize, howto->rightshift,
3971 bfd_arch_bits_per_address (input_bfd),
3974 else if (r_type == R_SPARC_REV32)
3978 relocation = relocation + rel->r_addend;
3980 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3982 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3985 else if (r_type == R_SPARC_TLS_LDO_HIX22
3986 || r_type == R_SPARC_TLS_LE_HIX22)
3990 relocation += rel->r_addend;
3991 if (r_type == R_SPARC_TLS_LE_HIX22)
3992 relocation ^= MINUS_ONE;
3994 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3995 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3996 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3999 else if (r_type == R_SPARC_TLS_LDO_LOX10
4000 || r_type == R_SPARC_TLS_LE_LOX10)
4004 relocation += rel->r_addend;
4005 relocation &= 0x3ff;
4006 if (r_type == R_SPARC_TLS_LE_LOX10)
4007 relocation |= 0x1c00;
4009 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4010 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4011 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4015 else if (r_type == R_SPARC_HIX22
4016 || r_type == R_SPARC_GOTDATA_HIX22
4017 || r_type == R_SPARC_GOTDATA_OP_HIX22)
4021 relocation += rel->r_addend;
4022 if (r_type == R_SPARC_HIX22
4023 || (bfd_signed_vma) relocation < 0)
4024 relocation = relocation ^ MINUS_ONE;
4026 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4027 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4028 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4030 r = bfd_check_overflow (howto->complain_on_overflow,
4031 howto->bitsize, howto->rightshift,
4032 bfd_arch_bits_per_address (input_bfd),
4035 else if (r_type == R_SPARC_LOX10
4036 || r_type == R_SPARC_GOTDATA_LOX10
4037 || r_type == R_SPARC_GOTDATA_OP_LOX10)
4041 relocation += rel->r_addend;
4042 if (r_type == R_SPARC_LOX10
4043 || (bfd_signed_vma) relocation < 0)
4044 relocation = (relocation & 0x3ff) | 0x1c00;
4046 relocation = (relocation & 0x3ff);
4048 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4049 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4050 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4054 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4055 && sec_do_relax (input_section)
4056 && rel->r_offset + 4 < input_section->size)
4060 #define XCC (2 << 20)
4061 #define COND(x) (((x)&0xf)<<25)
4062 #define CONDA COND(0x8)
4063 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4064 #define INSN_BA (F2(0,2) | CONDA)
4065 #define INSN_OR F3(2, 0x2, 0)
4066 #define INSN_NOP F2(0,4)
4070 /* If the instruction is a call with either:
4072 arithmetic instruction with rd == %o7
4073 where rs1 != %o7 and rs2 if it is register != %o7
4074 then we can optimize if the call destination is near
4075 by changing the call into a branch always. */
4076 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4077 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4078 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4080 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4081 || ((y & OP3(0x28)) == 0 /* arithmetic */
4082 && (y & RD(~0)) == RD(O7)))
4083 && (y & RS1(~0)) != RS1(O7)
4085 || (y & RS2(~0)) != RS2(O7)))
4089 reloc = relocation + rel->r_addend - rel->r_offset;
4090 reloc -= (input_section->output_section->vma
4091 + input_section->output_offset);
4093 /* Ensure the branch fits into simm22. */
4094 if ((reloc & 3) == 0
4095 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4096 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4100 /* Check whether it fits into simm19. */
4101 if (((reloc & 0x3c0000) == 0
4102 || (reloc & 0x3c0000) == 0x3c0000)
4103 && (ABI_64_P (output_bfd)
4104 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4105 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4107 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4108 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4110 if (rel->r_offset >= 4
4111 && (y & (0xffffffff ^ RS1(~0)))
4112 == (INSN_OR | RD(O7) | RS2(G0)))
4117 z = bfd_get_32 (input_bfd,
4118 contents + rel->r_offset - 4);
4119 if ((z & (0xffffffff ^ RD(~0)))
4120 != (INSN_OR | RS1(O7) | RS2(G0)))
4128 If call foo was replaced with ba, replace
4129 or %rN, %g0, %o7 with nop. */
4131 reg = (y & RS1(~0)) >> 14;
4132 if (reg != ((z & RD(~0)) >> 25)
4133 || reg == G0 || reg == O7)
4136 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4137 contents + rel->r_offset + 4);
4145 if (r == bfd_reloc_continue)
4148 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4149 contents, rel->r_offset,
4150 relocation, rel->r_addend);
4152 if (r != bfd_reloc_ok)
4157 case bfd_reloc_outofrange:
4159 case bfd_reloc_overflow:
4163 /* The Solaris native linker silently disregards overflows.
4164 We don't, but this breaks stabs debugging info, whose
4165 relocations are only 32-bits wide. Ignore overflows in
4166 this case and also for discarded entries. */
4167 if ((r_type == R_SPARC_32
4168 || r_type == R_SPARC_UA32
4169 || r_type == R_SPARC_DISP32)
4170 && (((input_section->flags & SEC_DEBUGGING) != 0
4171 && strcmp (bfd_section_name (input_bfd,
4174 || _bfd_elf_section_offset (output_bfd, info,
4182 /* Assume this is a call protected by other code that
4183 detect the symbol is undefined. If this is the case,
4184 we can safely ignore the overflow. If not, the
4185 program is hosed anyway, and a little warning isn't
4187 if (h->root.type == bfd_link_hash_undefweak
4188 && howto->pc_relative)
4195 name = bfd_elf_string_from_elf_section (input_bfd,
4196 symtab_hdr->sh_link,
4201 name = bfd_section_name (input_bfd, sec);
4203 (*info->callbacks->reloc_overflow)
4204 (info, (h ? &h->root : NULL), name, howto->name,
4205 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4215 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4216 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4217 is the offset of the associated .got.plt entry from
4218 _GLOBAL_OFFSET_TABLE_. */
4221 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4222 bfd_vma plt_offset, bfd_vma plt_index,
4226 const bfd_vma *plt_entry;
4227 struct _bfd_sparc_elf_link_hash_table *htab;
4229 Elf_Internal_Rela rela;
4231 htab = _bfd_sparc_elf_hash_table (info);
4232 BFD_ASSERT (htab != NULL);
4234 if (bfd_link_pic (info))
4236 plt_entry = sparc_vxworks_shared_plt_entry;
4241 plt_entry = sparc_vxworks_exec_plt_entry;
4242 got_base = (htab->elf.hgot->root.u.def.value
4243 + htab->elf.hgot->root.u.def.section->output_offset
4244 + htab->elf.hgot->root.u.def.section->output_section->vma);
4247 /* Fill in the entry in the procedure linkage table. */
4248 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4249 htab->elf.splt->contents + plt_offset);
4250 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4251 htab->elf.splt->contents + plt_offset + 4);
4252 bfd_put_32 (output_bfd, plt_entry[2],
4253 htab->elf.splt->contents + plt_offset + 8);
4254 bfd_put_32 (output_bfd, plt_entry[3],
4255 htab->elf.splt->contents + plt_offset + 12);
4256 bfd_put_32 (output_bfd, plt_entry[4],
4257 htab->elf.splt->contents + plt_offset + 16);
4258 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4259 htab->elf.splt->contents + plt_offset + 20);
4260 /* PC-relative displacement for a branch to the start of
4262 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4264 htab->elf.splt->contents + plt_offset + 24);
4265 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4266 htab->elf.splt->contents + plt_offset + 28);
4268 /* Fill in the .got.plt entry, pointing initially at the
4269 second half of the PLT entry. */
4270 BFD_ASSERT (htab->elf.sgotplt != NULL);
4271 bfd_put_32 (output_bfd,
4272 htab->elf.splt->output_section->vma
4273 + htab->elf.splt->output_offset
4275 htab->elf.sgotplt->contents + got_offset);
4277 /* Add relocations to .rela.plt.unloaded. */
4278 if (!bfd_link_pic (info))
4280 loc = (htab->srelplt2->contents
4281 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4283 /* Relocate the initial sethi. */
4284 rela.r_offset = (htab->elf.splt->output_section->vma
4285 + htab->elf.splt->output_offset
4287 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4288 rela.r_addend = got_offset;
4289 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4290 loc += sizeof (Elf32_External_Rela);
4292 /* Likewise the following or. */
4294 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4295 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4296 loc += sizeof (Elf32_External_Rela);
4298 /* Relocate the .got.plt entry. */
4299 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4300 + htab->elf.sgotplt->output_offset
4302 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4303 rela.r_addend = plt_offset + 20;
4304 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4308 /* Finish up dynamic symbol handling. We set the contents of various
4309 dynamic sections here. */
4312 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4313 struct bfd_link_info *info,
4314 struct elf_link_hash_entry *h,
4315 Elf_Internal_Sym *sym)
4317 struct _bfd_sparc_elf_link_hash_table *htab;
4318 const struct elf_backend_data *bed;
4320 htab = _bfd_sparc_elf_hash_table (info);
4321 BFD_ASSERT (htab != NULL);
4322 bed = get_elf_backend_data (output_bfd);
4324 if (h->plt.offset != (bfd_vma) -1)
4328 Elf_Internal_Rela rela;
4330 bfd_vma r_offset, got_offset;
4333 /* When building a static executable, use .iplt and
4334 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4335 if (htab->elf.splt != NULL)
4337 splt = htab->elf.splt;
4338 srela = htab->elf.srelplt;
4342 splt = htab->elf.iplt;
4343 srela = htab->elf.irelplt;
4346 if (splt == NULL || srela == NULL)
4349 /* Fill in the entry in the .rela.plt section. */
4350 if (htab->is_vxworks)
4352 /* Work out the index of this PLT entry. */
4353 rela_index = ((h->plt.offset - htab->plt_header_size)
4354 / htab->plt_entry_size);
4356 /* Calculate the offset of the associated .got.plt entry.
4357 The first three entries are reserved. */
4358 got_offset = (rela_index + 3) * 4;
4360 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4361 rela_index, got_offset);
4364 /* On VxWorks, the relocation points to the .got.plt entry,
4365 not the .plt entry. */
4366 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4367 + htab->elf.sgotplt->output_offset
4370 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4375 bfd_boolean ifunc = FALSE;
4377 /* Fill in the entry in the procedure linkage table. */
4378 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4379 h->plt.offset, splt->size,
4384 || ((bfd_link_executable (info)
4385 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4387 && h->type == STT_GNU_IFUNC))
4390 BFD_ASSERT (h == NULL
4391 || (h->type == STT_GNU_IFUNC
4393 && (h->root.type == bfd_link_hash_defined
4394 || h->root.type == bfd_link_hash_defweak)));
4397 rela.r_offset = r_offset
4398 + (splt->output_section->vma + splt->output_offset);
4399 if (ABI_64_P (output_bfd)
4400 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4404 rela.r_addend = (h->root.u.def.section->output_section->vma
4405 + h->root.u.def.section->output_offset
4406 + h->root.u.def.value);
4407 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4412 rela.r_addend = (-(h->plt.offset + 4)
4413 - splt->output_section->vma
4414 - splt->output_offset);
4415 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4423 rela.r_addend = (h->root.u.def.section->output_section->vma
4424 + h->root.u.def.section->output_offset
4425 + h->root.u.def.value);
4426 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4432 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4438 /* Adjust for the first 4 reserved elements in the .plt section
4439 when setting the offset in the .rela.plt section.
4440 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4441 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4443 loc = srela->contents;
4444 loc += rela_index * bed->s->sizeof_rela;
4445 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4447 if (!h->def_regular)
4449 /* Mark the symbol as undefined, rather than as defined in
4450 the .plt section. Leave the value alone. */
4451 sym->st_shndx = SHN_UNDEF;
4452 /* If the symbol is weak, we do need to clear the value.
4453 Otherwise, the PLT entry would provide a definition for
4454 the symbol even if the symbol wasn't defined anywhere,
4455 and so the symbol would never be NULL. */
4456 if (!h->ref_regular_nonweak)
4461 if (h->got.offset != (bfd_vma) -1
4462 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4463 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
4467 Elf_Internal_Rela rela;
4469 /* This symbol has an entry in the GOT. Set it up. */
4471 sgot = htab->elf.sgot;
4472 srela = htab->elf.srelgot;
4473 BFD_ASSERT (sgot != NULL && srela != NULL);
4475 rela.r_offset = (sgot->output_section->vma
4476 + sgot->output_offset
4477 + (h->got.offset &~ (bfd_vma) 1));
4479 /* If this is a -Bsymbolic link, and the symbol is defined
4480 locally, we just want to emit a RELATIVE reloc. Likewise if
4481 the symbol was forced to be local because of a version file.
4482 The entry in the global offset table will already have been
4483 initialized in the relocate_section function. */
4484 if (! bfd_link_pic (info)
4485 && h->type == STT_GNU_IFUNC
4490 /* We load the GOT entry with the PLT entry. */
4491 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4492 SPARC_ELF_PUT_WORD (htab, output_bfd,
4493 (plt->output_section->vma
4494 + plt->output_offset + h->plt.offset),
4495 htab->elf.sgot->contents
4496 + (h->got.offset & ~(bfd_vma) 1));
4499 else if (bfd_link_pic (info)
4500 && SYMBOL_REFERENCES_LOCAL (info, h))
4502 asection *sec = h->root.u.def.section;
4503 if (h->type == STT_GNU_IFUNC)
4504 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4506 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4507 rela.r_addend = (h->root.u.def.value
4508 + sec->output_section->vma
4509 + sec->output_offset);
4513 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4517 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4518 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4519 sparc_elf_append_rela (output_bfd, srela, &rela);
4525 Elf_Internal_Rela rela;
4527 /* This symbols needs a copy reloc. Set it up. */
4528 BFD_ASSERT (h->dynindx != -1);
4530 s = bfd_get_linker_section (h->root.u.def.section->owner,
4532 BFD_ASSERT (s != NULL);
4534 rela.r_offset = (h->root.u.def.value
4535 + h->root.u.def.section->output_section->vma
4536 + h->root.u.def.section->output_offset);
4537 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4539 sparc_elf_append_rela (output_bfd, s, &rela);
4542 /* Mark some specially defined symbols as absolute. On VxWorks,
4543 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4544 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4546 && (h == htab->elf.hdynamic
4547 || (!htab->is_vxworks
4548 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4549 sym->st_shndx = SHN_ABS;
4554 /* Finish up the dynamic sections. */
4557 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4558 bfd *dynobj, asection *sdyn,
4559 asection *splt ATTRIBUTE_UNUSED)
4561 struct _bfd_sparc_elf_link_hash_table *htab;
4562 const struct elf_backend_data *bed;
4563 bfd_byte *dyncon, *dynconend;
4565 int stt_regidx = -1;
4566 bfd_boolean abi_64_p;
4568 htab = _bfd_sparc_elf_hash_table (info);
4569 BFD_ASSERT (htab != NULL);
4570 bed = get_elf_backend_data (output_bfd);
4571 dynsize = bed->s->sizeof_dyn;
4572 dynconend = sdyn->contents + sdyn->size;
4573 abi_64_p = ABI_64_P (output_bfd);
4574 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4576 Elf_Internal_Dyn dyn;
4579 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4581 if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4583 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4584 not to the start of the PLT. */
4585 if (htab->elf.sgotplt)
4587 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4588 + htab->elf.sgotplt->output_offset);
4589 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4592 else if (htab->is_vxworks
4593 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4594 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4595 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4597 if (stt_regidx == -1)
4600 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4601 if (stt_regidx == -1)
4604 dyn.d_un.d_val = stt_regidx++;
4605 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4618 s = htab->elf.srelplt;
4622 s = htab->elf.srelplt;
4634 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4636 dyn.d_un.d_val = s->size;
4638 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4644 /* Install the first PLT entry in a VxWorks executable and make sure that
4645 .rela.plt.unloaded relocations have the correct symbol indexes. */
4648 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4650 struct _bfd_sparc_elf_link_hash_table *htab;
4651 Elf_Internal_Rela rela;
4655 htab = _bfd_sparc_elf_hash_table (info);
4656 BFD_ASSERT (htab != NULL);
4658 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4659 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4660 + htab->elf.hgot->root.u.def.section->output_offset
4661 + htab->elf.hgot->root.u.def.value);
4663 /* Install the initial PLT entry. */
4664 bfd_put_32 (output_bfd,
4665 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4666 htab->elf.splt->contents);
4667 bfd_put_32 (output_bfd,
4668 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4669 htab->elf.splt->contents + 4);
4670 bfd_put_32 (output_bfd,
4671 sparc_vxworks_exec_plt0_entry[2],
4672 htab->elf.splt->contents + 8);
4673 bfd_put_32 (output_bfd,
4674 sparc_vxworks_exec_plt0_entry[3],
4675 htab->elf.splt->contents + 12);
4676 bfd_put_32 (output_bfd,
4677 sparc_vxworks_exec_plt0_entry[4],
4678 htab->elf.splt->contents + 16);
4680 loc = htab->srelplt2->contents;
4682 /* Add an unloaded relocation for the initial entry's "sethi". */
4683 rela.r_offset = (htab->elf.splt->output_section->vma
4684 + htab->elf.splt->output_offset);
4685 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4687 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4688 loc += sizeof (Elf32_External_Rela);
4690 /* Likewise the following "or". */
4692 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4693 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4694 loc += sizeof (Elf32_External_Rela);
4696 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4697 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4698 in which symbols were output. */
4699 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4701 Elf_Internal_Rela rel;
4703 /* The entry's initial "sethi" (against _G_O_T_). */
4704 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4705 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4706 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4707 loc += sizeof (Elf32_External_Rela);
4709 /* The following "or" (also against _G_O_T_). */
4710 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4711 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4712 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4713 loc += sizeof (Elf32_External_Rela);
4715 /* The .got.plt entry (against _P_L_T_). */
4716 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4717 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4718 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4719 loc += sizeof (Elf32_External_Rela);
4723 /* Install the first PLT entry in a VxWorks shared object. */
4726 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4728 struct _bfd_sparc_elf_link_hash_table *htab;
4731 htab = _bfd_sparc_elf_hash_table (info);
4732 BFD_ASSERT (htab != NULL);
4734 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4735 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4736 htab->elf.splt->contents + i * 4);
4739 /* Finish up local dynamic symbol handling. We set the contents of
4740 various dynamic sections here. */
4743 finish_local_dynamic_symbol (void **slot, void *inf)
4745 struct elf_link_hash_entry *h
4746 = (struct elf_link_hash_entry *) *slot;
4747 struct bfd_link_info *info
4748 = (struct bfd_link_info *) inf;
4750 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4755 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4759 struct _bfd_sparc_elf_link_hash_table *htab;
4761 htab = _bfd_sparc_elf_hash_table (info);
4762 BFD_ASSERT (htab != NULL);
4763 dynobj = htab->elf.dynobj;
4765 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4767 if (elf_hash_table (info)->dynamic_sections_created)
4771 splt = htab->elf.splt;
4772 BFD_ASSERT (splt != NULL && sdyn != NULL);
4774 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4777 /* Initialize the contents of the .plt section. */
4780 if (htab->is_vxworks)
4782 if (bfd_link_pic (info))
4783 sparc_vxworks_finish_shared_plt (output_bfd, info);
4785 sparc_vxworks_finish_exec_plt (output_bfd, info);
4789 memset (splt->contents, 0, htab->plt_header_size);
4790 if (!ABI_64_P (output_bfd))
4791 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4792 splt->contents + splt->size - 4);
4796 if (elf_section_data (splt->output_section) != NULL)
4797 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4798 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4799 ? 0 : htab->plt_entry_size);
4802 /* Set the first entry in the global offset table to the address of
4803 the dynamic section. */
4804 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4806 bfd_vma val = (sdyn ?
4807 sdyn->output_section->vma + sdyn->output_offset :
4810 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4814 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4815 SPARC_ELF_WORD_BYTES (htab);
4817 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4818 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4824 /* Set the right machine number for a SPARC ELF file. */
4827 _bfd_sparc_elf_object_p (bfd *abfd)
4829 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4830 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4831 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4833 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4834 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
4835 | ELF_SPARC_HWCAP_VIS3
4836 | ELF_SPARC_HWCAP_HPC);
4837 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
4838 | ELF_SPARC_HWCAP_DES
4839 | ELF_SPARC_HWCAP_KASUMI
4840 | ELF_SPARC_HWCAP_CAMELLIA
4841 | ELF_SPARC_HWCAP_MD5
4842 | ELF_SPARC_HWCAP_SHA1
4843 | ELF_SPARC_HWCAP_SHA256
4844 | ELF_SPARC_HWCAP_SHA512
4845 | ELF_SPARC_HWCAP_MPMUL
4846 | ELF_SPARC_HWCAP_MONT
4847 | ELF_SPARC_HWCAP_CRC32C
4848 | ELF_SPARC_HWCAP_CBCOND
4849 | ELF_SPARC_HWCAP_PAUSE);
4850 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
4851 | ELF_SPARC_HWCAP_IMA);
4852 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
4853 | ELF_SPARC_HWCAP2_MWAIT
4854 | ELF_SPARC_HWCAP2_XMPMUL
4855 | ELF_SPARC_HWCAP2_XMONT);
4857 if (ABI_64_P (abfd))
4859 unsigned long mach = bfd_mach_sparc_v9;
4861 if (hwcaps2->i & v9m_hwcaps2_mask)
4862 mach = bfd_mach_sparc_v9m;
4863 else if (hwcaps->i & v9v_hwcaps_mask)
4864 mach = bfd_mach_sparc_v9v;
4865 else if (hwcaps->i & v9e_hwcaps_mask)
4866 mach = bfd_mach_sparc_v9e;
4867 else if (hwcaps->i & v9d_hwcaps_mask)
4868 mach = bfd_mach_sparc_v9d;
4869 else if (hwcaps->i & v9c_hwcaps_mask)
4870 mach = bfd_mach_sparc_v9c;
4871 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4872 mach = bfd_mach_sparc_v9b;
4873 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4874 mach = bfd_mach_sparc_v9a;
4875 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4879 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4881 if (hwcaps2->i & v9m_hwcaps2_mask)
4882 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4883 bfd_mach_sparc_v8plusm);
4884 else if (hwcaps->i & v9v_hwcaps_mask)
4885 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4886 bfd_mach_sparc_v8plusv);
4887 else if (hwcaps->i & v9e_hwcaps_mask)
4888 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4889 bfd_mach_sparc_v8pluse);
4890 else if (hwcaps->i & v9d_hwcaps_mask)
4891 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4892 bfd_mach_sparc_v8plusd);
4893 else if (hwcaps->i & v9c_hwcaps_mask)
4894 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4895 bfd_mach_sparc_v8plusc);
4896 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4897 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4898 bfd_mach_sparc_v8plusb);
4899 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4900 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4901 bfd_mach_sparc_v8plusa);
4902 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4903 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4904 bfd_mach_sparc_v8plus);
4908 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4909 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4910 bfd_mach_sparc_sparclite_le);
4912 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4916 /* Return address for Ith PLT stub in section PLT, for relocation REL
4917 or (bfd_vma) -1 if it should not be included. */
4920 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4922 if (ABI_64_P (plt->owner))
4926 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4927 if (i < PLT64_LARGE_THRESHOLD)
4928 return plt->vma + i * PLT64_ENTRY_SIZE;
4930 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4932 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4935 return rel->address;
4938 /* Merge backend specific data from an object file to the output
4939 object file when linking. */
4942 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
4944 bfd *obfd = info->output_bfd;
4945 obj_attribute *in_attr, *in_attrs;
4946 obj_attribute *out_attr, *out_attrs;
4948 if (!elf_known_obj_attributes_proc (obfd)[0].i)
4950 /* This is the first object. Copy the attributes. */
4951 _bfd_elf_copy_obj_attributes (ibfd, obfd);
4953 /* Use the Tag_null value to indicate the attributes have been
4955 elf_known_obj_attributes_proc (obfd)[0].i = 1;
4960 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
4961 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
4963 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
4964 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
4966 out_attr->i |= in_attr->i;
4969 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
4970 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
4972 out_attr->i |= in_attr->i;
4975 /* Merge Tag_compatibility attributes and any common GNU ones. */
4976 _bfd_elf_merge_object_attributes (ibfd, info);