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 htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
1210 if (!bfd_link_pic (info))
1211 htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
1213 if (htab->is_vxworks)
1215 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1217 if (bfd_link_pic (info))
1219 htab->plt_header_size
1220 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1221 htab->plt_entry_size
1222 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1226 htab->plt_header_size
1227 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1228 htab->plt_entry_size
1229 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1233 if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
1234 || (!bfd_link_pic (info) && !htab->srelbss))
1241 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1243 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1244 struct elf_link_hash_table *htab = elf_hash_table (info);
1245 flagword flags, pltflags;
1248 if (htab->irelifunc != NULL || htab->iplt != NULL)
1251 flags = bed->dynamic_sec_flags;
1252 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1254 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1256 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1260 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1261 flags | SEC_READONLY);
1263 || ! bfd_set_section_alignment (abfd, s,
1264 bed->s->log_file_align))
1271 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1274 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1275 struct elf_link_hash_entry *dir,
1276 struct elf_link_hash_entry *ind)
1278 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1280 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1281 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1283 if (eind->dyn_relocs != NULL)
1285 if (edir->dyn_relocs != NULL)
1287 struct _bfd_sparc_elf_dyn_relocs **pp;
1288 struct _bfd_sparc_elf_dyn_relocs *p;
1290 /* Add reloc counts against the indirect sym to the direct sym
1291 list. Merge any entries against the same section. */
1292 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1294 struct _bfd_sparc_elf_dyn_relocs *q;
1296 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1297 if (q->sec == p->sec)
1299 q->pc_count += p->pc_count;
1300 q->count += p->count;
1307 *pp = edir->dyn_relocs;
1310 edir->dyn_relocs = eind->dyn_relocs;
1311 eind->dyn_relocs = NULL;
1314 if (ind->root.type == bfd_link_hash_indirect
1315 && dir->got.refcount <= 0)
1317 edir->tls_type = eind->tls_type;
1318 eind->tls_type = GOT_UNKNOWN;
1320 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1324 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1325 int r_type, int is_local)
1327 if (! ABI_64_P (abfd)
1328 && r_type == R_SPARC_TLS_GD_HI22
1329 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1330 r_type = R_SPARC_REV32;
1332 if (bfd_link_pic (info))
1337 case R_SPARC_TLS_GD_HI22:
1339 return R_SPARC_TLS_LE_HIX22;
1340 return R_SPARC_TLS_IE_HI22;
1341 case R_SPARC_TLS_GD_LO10:
1343 return R_SPARC_TLS_LE_LOX10;
1344 return R_SPARC_TLS_IE_LO10;
1345 case R_SPARC_TLS_IE_HI22:
1347 return R_SPARC_TLS_LE_HIX22;
1349 case R_SPARC_TLS_IE_LO10:
1351 return R_SPARC_TLS_LE_LOX10;
1353 case R_SPARC_TLS_LDM_HI22:
1354 return R_SPARC_TLS_LE_HIX22;
1355 case R_SPARC_TLS_LDM_LO10:
1356 return R_SPARC_TLS_LE_LOX10;
1362 /* Look through the relocs for a section during the first phase, and
1363 allocate space in the global offset table or procedure linkage
1367 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1368 asection *sec, const Elf_Internal_Rela *relocs)
1370 struct _bfd_sparc_elf_link_hash_table *htab;
1371 Elf_Internal_Shdr *symtab_hdr;
1372 struct elf_link_hash_entry **sym_hashes;
1373 const Elf_Internal_Rela *rel;
1374 const Elf_Internal_Rela *rel_end;
1377 bfd_boolean checked_tlsgd = FALSE;
1379 if (bfd_link_relocatable (info))
1382 htab = _bfd_sparc_elf_hash_table (info);
1383 BFD_ASSERT (htab != NULL);
1384 symtab_hdr = &elf_symtab_hdr (abfd);
1385 sym_hashes = elf_sym_hashes (abfd);
1389 if (ABI_64_P (abfd))
1390 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1392 num_relocs = sec->reloc_count;
1394 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1396 if (htab->elf.dynobj == NULL)
1397 htab->elf.dynobj = abfd;
1398 if (!create_ifunc_sections (htab->elf.dynobj, info))
1401 rel_end = relocs + num_relocs;
1402 for (rel = relocs; rel < rel_end; rel++)
1404 unsigned int r_type;
1405 unsigned long r_symndx;
1406 struct elf_link_hash_entry *h;
1407 Elf_Internal_Sym *isym;
1409 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1410 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1412 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1414 _bfd_error_handler (_("%B: bad symbol index: %d"), abfd, r_symndx);
1419 if (r_symndx < symtab_hdr->sh_info)
1421 /* A local symbol. */
1422 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1427 /* Check relocation against local STT_GNU_IFUNC symbol. */
1428 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1430 h = elf_sparc_get_local_sym_hash (htab, abfd, rel,
1435 /* Fake a STT_GNU_IFUNC symbol. */
1436 h->type = STT_GNU_IFUNC;
1439 h->forced_local = 1;
1440 h->root.type = bfd_link_hash_defined;
1447 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1448 while (h->root.type == bfd_link_hash_indirect
1449 || h->root.type == bfd_link_hash_warning)
1450 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1452 /* PR15323, ref flags aren't set for references in the same
1454 h->root.non_ir_ref = 1;
1457 if (h && h->type == STT_GNU_IFUNC)
1462 h->plt.refcount += 1;
1466 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1467 with R_SPARC_TLS_GD_HI22. */
1468 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1471 case R_SPARC_TLS_GD_HI22:
1473 const Elf_Internal_Rela *relt;
1475 for (relt = rel + 1; relt < rel_end; relt++)
1476 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1477 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1478 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1480 checked_tlsgd = TRUE;
1481 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1484 case R_SPARC_TLS_GD_LO10:
1485 case R_SPARC_TLS_GD_ADD:
1486 case R_SPARC_TLS_GD_CALL:
1487 checked_tlsgd = TRUE;
1488 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1492 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1495 case R_SPARC_TLS_LDM_HI22:
1496 case R_SPARC_TLS_LDM_LO10:
1497 htab->tls_ldm_got.refcount += 1;
1500 case R_SPARC_TLS_LE_HIX22:
1501 case R_SPARC_TLS_LE_LOX10:
1502 if (bfd_link_pic (info))
1506 case R_SPARC_TLS_IE_HI22:
1507 case R_SPARC_TLS_IE_LO10:
1508 if (bfd_link_pic (info))
1509 info->flags |= DF_STATIC_TLS;
1515 case R_SPARC_GOTDATA_HIX22:
1516 case R_SPARC_GOTDATA_LOX10:
1517 case R_SPARC_GOTDATA_OP_HIX22:
1518 case R_SPARC_GOTDATA_OP_LOX10:
1519 case R_SPARC_TLS_GD_HI22:
1520 case R_SPARC_TLS_GD_LO10:
1521 /* This symbol requires a global offset table entry. */
1523 int tls_type, old_tls_type;
1531 case R_SPARC_GOTDATA_OP_HIX22:
1532 case R_SPARC_GOTDATA_OP_LOX10:
1533 tls_type = GOT_NORMAL;
1535 case R_SPARC_TLS_GD_HI22:
1536 case R_SPARC_TLS_GD_LO10:
1537 tls_type = GOT_TLS_GD;
1539 case R_SPARC_TLS_IE_HI22:
1540 case R_SPARC_TLS_IE_LO10:
1541 tls_type = GOT_TLS_IE;
1547 h->got.refcount += 1;
1548 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1552 bfd_signed_vma *local_got_refcounts;
1554 /* This is a global offset table entry for a local symbol. */
1555 local_got_refcounts = elf_local_got_refcounts (abfd);
1556 if (local_got_refcounts == NULL)
1560 size = symtab_hdr->sh_info;
1561 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1562 local_got_refcounts = ((bfd_signed_vma *)
1563 bfd_zalloc (abfd, size));
1564 if (local_got_refcounts == NULL)
1566 elf_local_got_refcounts (abfd) = local_got_refcounts;
1567 _bfd_sparc_elf_local_got_tls_type (abfd)
1568 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1572 case R_SPARC_GOTDATA_OP_HIX22:
1573 case R_SPARC_GOTDATA_OP_LOX10:
1577 local_got_refcounts[r_symndx] += 1;
1580 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1583 /* If a TLS symbol is accessed using IE at least once,
1584 there is no point to use dynamic model for it. */
1585 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1586 && (old_tls_type != GOT_TLS_GD
1587 || tls_type != GOT_TLS_IE))
1589 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1590 tls_type = old_tls_type;
1594 (_("%B: `%s' accessed both as normal and thread local symbol"),
1595 abfd, h ? h->root.root.string : "<local>");
1600 if (old_tls_type != tls_type)
1603 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1605 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1609 if (htab->elf.sgot == NULL)
1611 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
1616 case R_SPARC_TLS_GD_CALL:
1617 case R_SPARC_TLS_LDM_CALL:
1618 if (bfd_link_pic (info))
1620 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1622 struct bfd_link_hash_entry *bh = NULL;
1623 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1624 "__tls_get_addr", 0,
1625 bfd_und_section_ptr, 0,
1629 h = (struct elf_link_hash_entry *) bh;
1636 case R_SPARC_WPLT30:
1637 case R_SPARC_HIPLT22:
1638 case R_SPARC_LOPLT10:
1639 case R_SPARC_PCPLT32:
1640 case R_SPARC_PCPLT22:
1641 case R_SPARC_PCPLT10:
1643 /* This symbol requires a procedure linkage table entry. We
1644 actually build the entry in adjust_dynamic_symbol,
1645 because this might be a case of linking PIC code without
1646 linking in any dynamic objects, in which case we don't
1647 need to generate a procedure linkage table after all. */
1651 if (! ABI_64_P (abfd))
1653 /* The Solaris native assembler will generate a WPLT30
1654 reloc for a local symbol if you assemble a call from
1655 one section to another when using -K pic. We treat
1657 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1661 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1662 else if (r_type == R_SPARC_WPLT30)
1665 /* It does not make sense to have a procedure linkage
1666 table entry for a local symbol. */
1667 bfd_set_error (bfd_error_bad_value);
1676 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1677 if (this_r_type == R_SPARC_PLT32
1678 || this_r_type == R_SPARC_PLT64)
1681 h->plt.refcount += 1;
1686 case R_SPARC_PC_HH22:
1687 case R_SPARC_PC_HM10:
1688 case R_SPARC_PC_LM22:
1693 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1698 case R_SPARC_DISP16:
1699 case R_SPARC_DISP32:
1700 case R_SPARC_DISP64:
1701 case R_SPARC_WDISP30:
1702 case R_SPARC_WDISP22:
1703 case R_SPARC_WDISP19:
1704 case R_SPARC_WDISP16:
1705 case R_SPARC_WDISP10:
1736 if (h != NULL && !bfd_link_pic (info))
1738 /* We may need a .plt entry if the function this reloc
1739 refers to is in a shared lib. */
1740 h->plt.refcount += 1;
1743 /* If we are creating a shared library, and this is a reloc
1744 against a global symbol, or a non PC relative reloc
1745 against a local symbol, then we need to copy the reloc
1746 into the shared library. However, if we are linking with
1747 -Bsymbolic, we do not need to copy a reloc against a
1748 global symbol which is defined in an object we are
1749 including in the link (i.e., DEF_REGULAR is set). At
1750 this point we have not seen all the input files, so it is
1751 possible that DEF_REGULAR is not set now but will be set
1752 later (it is never cleared). In case of a weak definition,
1753 DEF_REGULAR may be cleared later by a strong definition in
1754 a shared library. We account for that possibility below by
1755 storing information in the relocs_copied field of the hash
1756 table entry. A similar situation occurs when creating
1757 shared libraries and symbol visibility changes render the
1760 If on the other hand, we are creating an executable, we
1761 may need to keep relocations for symbols satisfied by a
1762 dynamic library if we manage to avoid copy relocs for the
1764 if ((bfd_link_pic (info)
1765 && (sec->flags & SEC_ALLOC) != 0
1766 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1768 && (! SYMBOLIC_BIND (info, h)
1769 || h->root.type == bfd_link_hash_defweak
1770 || !h->def_regular))))
1771 || (!bfd_link_pic (info)
1772 && (sec->flags & SEC_ALLOC) != 0
1774 && (h->root.type == bfd_link_hash_defweak
1775 || !h->def_regular))
1776 || (!bfd_link_pic (info)
1778 && h->type == STT_GNU_IFUNC))
1780 struct _bfd_sparc_elf_dyn_relocs *p;
1781 struct _bfd_sparc_elf_dyn_relocs **head;
1783 /* When creating a shared object, we must copy these
1784 relocs into the output file. We create a reloc
1785 section in dynobj and make room for the reloc. */
1788 sreloc = _bfd_elf_make_dynamic_reloc_section
1789 (sec, htab->elf.dynobj, htab->word_align_power,
1790 abfd, /*rela?*/ TRUE);
1796 /* If this is a global symbol, we count the number of
1797 relocations we need for this symbol. */
1799 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1802 /* Track dynamic relocs needed for local syms too.
1803 We really need local syms available to do this
1808 BFD_ASSERT (isym != NULL);
1809 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1813 vpp = &elf_section_data (s)->local_dynrel;
1814 head = (struct _bfd_sparc_elf_dyn_relocs **) vpp;
1818 if (p == NULL || p->sec != sec)
1820 bfd_size_type amt = sizeof *p;
1821 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1822 bfd_alloc (htab->elf.dynobj, amt));
1833 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1839 case R_SPARC_GNU_VTINHERIT:
1840 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1844 case R_SPARC_GNU_VTENTRY:
1845 BFD_ASSERT (h != NULL);
1847 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1851 case R_SPARC_REGISTER:
1852 /* Nothing to do. */
1864 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1865 struct bfd_link_info *info,
1866 Elf_Internal_Rela *rel,
1867 struct elf_link_hash_entry *h,
1868 Elf_Internal_Sym *sym)
1871 switch (SPARC_ELF_R_TYPE (rel->r_info))
1873 case R_SPARC_GNU_VTINHERIT:
1874 case R_SPARC_GNU_VTENTRY:
1878 /* FIXME: The test here, in check_relocs and in relocate_section
1879 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
1880 if (bfd_link_pic (info))
1882 switch (SPARC_ELF_R_TYPE (rel->r_info))
1884 case R_SPARC_TLS_GD_CALL:
1885 case R_SPARC_TLS_LDM_CALL:
1886 /* This reloc implicitly references __tls_get_addr. We know
1887 another reloc will reference the same symbol as the one
1888 on this reloc, so the real symbol and section will be
1889 gc marked when processing the other reloc. That lets
1890 us handle __tls_get_addr here. */
1891 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1892 FALSE, FALSE, TRUE);
1893 BFD_ASSERT (h != NULL);
1895 if (h->u.weakdef != NULL)
1896 h->u.weakdef->mark = 1;
1901 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1904 static Elf_Internal_Rela *
1905 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1906 Elf_Internal_Rela *relend,
1909 while (rel < relend)
1911 if (rel->r_offset == offset)
1918 /* Update the got entry reference counts for the section being removed. */
1920 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1921 asection *sec, const Elf_Internal_Rela *relocs)
1923 struct _bfd_sparc_elf_link_hash_table *htab;
1924 Elf_Internal_Shdr *symtab_hdr;
1925 struct elf_link_hash_entry **sym_hashes;
1926 bfd_signed_vma *local_got_refcounts;
1927 const Elf_Internal_Rela *rel, *relend;
1929 if (bfd_link_relocatable (info))
1932 BFD_ASSERT (is_sparc_elf (abfd) || sec->reloc_count == 0);
1934 elf_section_data (sec)->local_dynrel = NULL;
1936 htab = _bfd_sparc_elf_hash_table (info);
1937 BFD_ASSERT (htab != NULL);
1938 symtab_hdr = &elf_symtab_hdr (abfd);
1939 sym_hashes = elf_sym_hashes (abfd);
1940 local_got_refcounts = elf_local_got_refcounts (abfd);
1942 relend = relocs + sec->reloc_count;
1943 for (rel = relocs; rel < relend; rel++)
1945 unsigned long r_symndx;
1946 unsigned int r_type;
1947 struct elf_link_hash_entry *h = NULL;
1949 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1950 if (r_symndx >= symtab_hdr->sh_info)
1952 struct _bfd_sparc_elf_link_hash_entry *eh;
1953 struct _bfd_sparc_elf_dyn_relocs **pp;
1954 struct _bfd_sparc_elf_dyn_relocs *p;
1956 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1957 while (h->root.type == bfd_link_hash_indirect
1958 || h->root.type == bfd_link_hash_warning)
1959 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1960 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1961 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1964 /* Everything must go for SEC. */
1970 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1971 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1974 case R_SPARC_TLS_LDM_HI22:
1975 case R_SPARC_TLS_LDM_LO10:
1976 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
1977 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
1980 case R_SPARC_TLS_GD_HI22:
1981 case R_SPARC_TLS_GD_LO10:
1982 case R_SPARC_TLS_IE_HI22:
1983 case R_SPARC_TLS_IE_LO10:
1987 case R_SPARC_GOTDATA_HIX22:
1988 case R_SPARC_GOTDATA_LOX10:
1989 case R_SPARC_GOTDATA_OP_HIX22:
1990 case R_SPARC_GOTDATA_OP_LOX10:
1993 if (h->got.refcount > 0)
2000 case R_SPARC_GOTDATA_OP_HIX22:
2001 case R_SPARC_GOTDATA_OP_LOX10:
2005 if (local_got_refcounts[r_symndx] > 0)
2006 local_got_refcounts[r_symndx]--;
2014 case R_SPARC_PC_HH22:
2015 case R_SPARC_PC_HM10:
2016 case R_SPARC_PC_LM22:
2018 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2023 case R_SPARC_DISP16:
2024 case R_SPARC_DISP32:
2025 case R_SPARC_DISP64:
2026 case R_SPARC_WDISP30:
2027 case R_SPARC_WDISP22:
2028 case R_SPARC_WDISP19:
2029 case R_SPARC_WDISP16:
2030 case R_SPARC_WDISP10:
2058 if (bfd_link_pic (info))
2062 case R_SPARC_WPLT30:
2065 if (h->plt.refcount > 0)
2078 /* Adjust a symbol defined by a dynamic object and referenced by a
2079 regular object. The current definition is in some section of the
2080 dynamic object, but we're not including those sections. We have to
2081 change the definition to something the rest of the link can
2085 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2086 struct elf_link_hash_entry *h)
2088 struct _bfd_sparc_elf_link_hash_table *htab;
2089 struct _bfd_sparc_elf_link_hash_entry * eh;
2090 struct _bfd_sparc_elf_dyn_relocs *p;
2093 htab = _bfd_sparc_elf_hash_table (info);
2094 BFD_ASSERT (htab != NULL);
2096 /* Make sure we know what is going on here. */
2097 BFD_ASSERT (htab->elf.dynobj != NULL
2099 || h->type == STT_GNU_IFUNC
2100 || h->u.weakdef != NULL
2103 && !h->def_regular)));
2105 /* If this is a function, put it in the procedure linkage table. We
2106 will fill in the contents of the procedure linkage table later
2107 (although we could actually do it here). The STT_NOTYPE
2108 condition is a hack specifically for the Oracle libraries
2109 delivered for Solaris; for some inexplicable reason, they define
2110 some of their functions as STT_NOTYPE when they really should be
2112 if (h->type == STT_FUNC
2113 || h->type == STT_GNU_IFUNC
2115 || (h->type == STT_NOTYPE
2116 && (h->root.type == bfd_link_hash_defined
2117 || h->root.type == bfd_link_hash_defweak)
2118 && (h->root.u.def.section->flags & SEC_CODE) != 0))
2120 if (h->plt.refcount <= 0
2121 || (h->type != STT_GNU_IFUNC
2122 && (SYMBOL_CALLS_LOCAL (info, h)
2123 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2124 && h->root.type == bfd_link_hash_undefweak))))
2126 /* This case can occur if we saw a WPLT30 reloc in an input
2127 file, but the symbol was never referred to by a dynamic
2128 object, or if all references were garbage collected. In
2129 such a case, we don't actually need to build a procedure
2130 linkage table, and we can just do a WDISP30 reloc instead. */
2131 h->plt.offset = (bfd_vma) -1;
2138 h->plt.offset = (bfd_vma) -1;
2140 /* If this is a weak symbol, and there is a real definition, the
2141 processor independent code will have arranged for us to see the
2142 real definition first, and we can just use the same value. */
2143 if (h->u.weakdef != NULL)
2145 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2146 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2147 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2148 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2152 /* This is a reference to a symbol defined by a dynamic object which
2153 is not a function. */
2155 /* If we are creating a shared library, we must presume that the
2156 only references to the symbol are via the global offset table.
2157 For such cases we need not do anything here; the relocations will
2158 be handled correctly by relocate_section. */
2159 if (bfd_link_pic (info))
2162 /* If there are no references to this symbol that do not use the
2163 GOT, we don't need to generate a copy reloc. */
2164 if (!h->non_got_ref)
2167 /* If -z nocopyreloc was given, we won't generate them either. */
2168 if (info->nocopyreloc)
2174 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2175 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2177 s = p->sec->output_section;
2178 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2182 /* If we didn't find any dynamic relocs in read-only sections, then
2183 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2190 /* We must allocate the symbol in our .dynbss section, which will
2191 become part of the .bss section of the executable. There will be
2192 an entry for this symbol in the .dynsym section. The dynamic
2193 object will contain position independent code, so all references
2194 from the dynamic object to this symbol will go through the global
2195 offset table. The dynamic linker will use the .dynsym entry to
2196 determine the address it must put in the global offset table, so
2197 both the dynamic object and the regular object will refer to the
2198 same memory location for the variable. */
2200 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2201 to copy the initial value out of the dynamic object and into the
2202 runtime process image. We need to remember the offset into the
2203 .rel.bss section we are going to use. */
2204 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2206 htab->srelbss->size += SPARC_ELF_RELA_BYTES (htab);
2212 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2215 /* Allocate space in .plt, .got and associated reloc sections for
2219 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2221 struct bfd_link_info *info;
2222 struct _bfd_sparc_elf_link_hash_table *htab;
2223 struct _bfd_sparc_elf_link_hash_entry *eh;
2224 struct _bfd_sparc_elf_dyn_relocs *p;
2226 if (h->root.type == bfd_link_hash_indirect)
2229 info = (struct bfd_link_info *) inf;
2230 htab = _bfd_sparc_elf_hash_table (info);
2231 BFD_ASSERT (htab != NULL);
2233 if ((htab->elf.dynamic_sections_created
2234 && h->plt.refcount > 0)
2235 || (h->type == STT_GNU_IFUNC
2239 /* Make sure this symbol is output as a dynamic symbol.
2240 Undefined weak syms won't yet be marked as dynamic. */
2241 if (h->dynindx == -1
2242 && !h->forced_local)
2244 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2248 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2249 || (h->type == STT_GNU_IFUNC
2252 asection *s = htab->elf.splt;
2257 /* Allocate room for the header. */
2260 s->size = htab->plt_header_size;
2262 /* Allocate space for the .rela.plt.unloaded relocations. */
2263 if (htab->is_vxworks && !bfd_link_pic (info))
2264 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2267 /* The procedure linkage table size is bounded by the magnitude
2268 of the offset we can describe in the entry. */
2269 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2270 (((bfd_vma)1 << 31) << 1) : 0x400000))
2272 bfd_set_error (bfd_error_bad_value);
2276 if (SPARC_ELF_WORD_BYTES(htab) == 8
2277 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2279 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2282 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2284 h->plt.offset = (s->size - (off * 8));
2287 h->plt.offset = s->size;
2289 /* If this symbol is not defined in a regular file, and we are
2290 not generating a shared library, then set the symbol to this
2291 location in the .plt. This is required to make function
2292 pointers compare as equal between the normal executable and
2293 the shared library. */
2294 if (! bfd_link_pic (info)
2297 h->root.u.def.section = s;
2298 h->root.u.def.value = h->plt.offset;
2301 /* Make room for this entry. */
2302 s->size += htab->plt_entry_size;
2304 /* We also need to make an entry in the .rela.plt section. */
2305 if (s == htab->elf.splt)
2306 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2308 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2310 if (htab->is_vxworks)
2312 /* Allocate space for the .got.plt entry. */
2313 htab->elf.sgotplt->size += 4;
2315 /* ...and for the .rela.plt.unloaded relocations. */
2316 if (!bfd_link_pic (info))
2317 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2322 h->plt.offset = (bfd_vma) -1;
2328 h->plt.offset = (bfd_vma) -1;
2332 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2333 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2334 if (h->got.refcount > 0
2335 && !bfd_link_pic (info)
2337 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2338 h->got.offset = (bfd_vma) -1;
2339 else if (h->got.refcount > 0)
2343 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2345 /* Make sure this symbol is output as a dynamic symbol.
2346 Undefined weak syms won't yet be marked as dynamic. */
2347 if (h->dynindx == -1
2348 && !h->forced_local)
2350 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2355 h->got.offset = s->size;
2356 s->size += SPARC_ELF_WORD_BYTES (htab);
2357 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2358 if (tls_type == GOT_TLS_GD)
2359 s->size += SPARC_ELF_WORD_BYTES (htab);
2360 dyn = htab->elf.dynamic_sections_created;
2361 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2362 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2364 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2365 || tls_type == GOT_TLS_IE
2366 || h->type == STT_GNU_IFUNC)
2367 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2368 else if (tls_type == GOT_TLS_GD)
2369 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2370 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2371 bfd_link_pic (info),
2373 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2376 h->got.offset = (bfd_vma) -1;
2378 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2379 if (eh->dyn_relocs == NULL)
2382 /* In the shared -Bsymbolic case, discard space allocated for
2383 dynamic pc-relative relocs against symbols which turn out to be
2384 defined in regular objects. For the normal shared case, discard
2385 space for pc-relative relocs that have become local due to symbol
2386 visibility changes. */
2388 if (bfd_link_pic (info))
2390 if (SYMBOL_CALLS_LOCAL (info, h))
2392 struct _bfd_sparc_elf_dyn_relocs **pp;
2394 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2396 p->count -= p->pc_count;
2405 if (htab->is_vxworks)
2407 struct _bfd_sparc_elf_dyn_relocs **pp;
2409 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2411 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2418 /* Also discard relocs on undefined weak syms with non-default
2420 if (eh->dyn_relocs != NULL
2421 && h->root.type == bfd_link_hash_undefweak)
2423 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2424 eh->dyn_relocs = NULL;
2426 /* Make sure undefined weak symbols are output as a dynamic
2428 else if (h->dynindx == -1
2429 && !h->forced_local)
2431 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2438 /* For the non-shared case, discard space for relocs against
2439 symbols which turn out to need copy relocs or are not
2445 || (htab->elf.dynamic_sections_created
2446 && (h->root.type == bfd_link_hash_undefweak
2447 || h->root.type == bfd_link_hash_undefined))))
2449 /* Make sure this symbol is output as a dynamic symbol.
2450 Undefined weak syms won't yet be marked as dynamic. */
2451 if (h->dynindx == -1
2452 && !h->forced_local)
2454 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2458 /* If that succeeded, we know we'll be keeping all the
2460 if (h->dynindx != -1)
2464 eh->dyn_relocs = NULL;
2469 /* Finally, allocate space. */
2470 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2472 asection *sreloc = elf_section_data (p->sec)->sreloc;
2473 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2479 /* Allocate space in .plt, .got and associated reloc sections for
2480 local dynamic relocs. */
2483 allocate_local_dynrelocs (void **slot, void *inf)
2485 struct elf_link_hash_entry *h
2486 = (struct elf_link_hash_entry *) *slot;
2488 if (h->type != STT_GNU_IFUNC
2492 || h->root.type != bfd_link_hash_defined)
2495 return allocate_dynrelocs (h, inf);
2498 /* Find any dynamic relocs that apply to read-only sections. */
2501 readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2503 struct _bfd_sparc_elf_link_hash_entry *eh;
2504 struct _bfd_sparc_elf_dyn_relocs *p;
2506 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2507 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2509 asection *s = p->sec->output_section;
2511 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2513 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2515 info->flags |= DF_TEXTREL;
2517 /* Not an error, just cut short the traversal. */
2524 /* Return true if the dynamic symbol for a given section should be
2525 omitted when creating a shared library. */
2528 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2529 struct bfd_link_info *info,
2532 /* We keep the .got section symbol so that explicit relocations
2533 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2534 can be turned into relocations against the .got symbol. */
2535 if (strcmp (p->name, ".got") == 0)
2538 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2541 /* Set the sizes of the dynamic sections. */
2544 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2545 struct bfd_link_info *info)
2547 struct _bfd_sparc_elf_link_hash_table *htab;
2552 htab = _bfd_sparc_elf_hash_table (info);
2553 BFD_ASSERT (htab != NULL);
2554 dynobj = htab->elf.dynobj;
2555 BFD_ASSERT (dynobj != NULL);
2557 if (elf_hash_table (info)->dynamic_sections_created)
2559 /* Set the contents of the .interp section to the interpreter. */
2560 if (bfd_link_executable (info) && !info->nointerp)
2562 s = bfd_get_linker_section (dynobj, ".interp");
2563 BFD_ASSERT (s != NULL);
2564 s->size = htab->dynamic_interpreter_size;
2565 s->contents = (unsigned char *) htab->dynamic_interpreter;
2569 /* Set up .got offsets for local syms, and space for local dynamic
2571 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2573 bfd_signed_vma *local_got;
2574 bfd_signed_vma *end_local_got;
2575 char *local_tls_type;
2576 bfd_size_type locsymcount;
2577 Elf_Internal_Shdr *symtab_hdr;
2580 if (! is_sparc_elf (ibfd))
2583 for (s = ibfd->sections; s != NULL; s = s->next)
2585 struct _bfd_sparc_elf_dyn_relocs *p;
2587 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2589 if (!bfd_is_abs_section (p->sec)
2590 && bfd_is_abs_section (p->sec->output_section))
2592 /* Input section has been discarded, either because
2593 it is a copy of a linkonce section or due to
2594 linker script /DISCARD/, so we'll be discarding
2597 else if (htab->is_vxworks
2598 && strcmp (p->sec->output_section->name,
2601 /* Relocations in vxworks .tls_vars sections are
2602 handled specially by the loader. */
2604 else if (p->count != 0)
2606 srel = elf_section_data (p->sec)->sreloc;
2607 if (!htab->elf.dynamic_sections_created)
2608 srel = htab->elf.irelplt;
2609 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2610 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2611 info->flags |= DF_TEXTREL;
2616 local_got = elf_local_got_refcounts (ibfd);
2620 symtab_hdr = &elf_symtab_hdr (ibfd);
2621 locsymcount = symtab_hdr->sh_info;
2622 end_local_got = local_got + locsymcount;
2623 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2625 srel = htab->elf.srelgot;
2626 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2630 *local_got = s->size;
2631 s->size += SPARC_ELF_WORD_BYTES (htab);
2632 if (*local_tls_type == GOT_TLS_GD)
2633 s->size += SPARC_ELF_WORD_BYTES (htab);
2634 if (bfd_link_pic (info)
2635 || *local_tls_type == GOT_TLS_GD
2636 || *local_tls_type == GOT_TLS_IE)
2637 srel->size += SPARC_ELF_RELA_BYTES (htab);
2640 *local_got = (bfd_vma) -1;
2644 if (htab->tls_ldm_got.refcount > 0)
2646 /* Allocate 2 got entries and 1 dynamic reloc for
2647 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2648 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2649 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2650 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2653 htab->tls_ldm_got.offset = -1;
2655 /* Allocate global sym .plt and .got entries, and space for global
2656 sym dynamic relocs. */
2657 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2659 /* Allocate .plt and .got entries, and space for local symbols. */
2660 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2662 if (!htab->is_vxworks
2663 && elf_hash_table (info)->dynamic_sections_created)
2665 if (! ABI_64_P (output_bfd))
2667 /* Make space for the trailing nop in .plt. */
2668 if (htab->elf.splt->size > 0)
2669 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2672 /* If the .got section is more than 0x1000 bytes, we add
2673 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2674 bit relocations have a greater chance of working. */
2675 if (htab->elf.sgot->size >= 0x1000
2676 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2677 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2680 /* The check_relocs and adjust_dynamic_symbol entry points have
2681 determined the sizes of the various dynamic sections. Allocate
2683 for (s = dynobj->sections; s != NULL; s = s->next)
2685 if ((s->flags & SEC_LINKER_CREATED) == 0)
2688 if (s == htab->elf.splt
2689 || s == htab->elf.sgot
2690 || s == htab->sdynbss
2691 || s == htab->elf.iplt
2692 || s == htab->elf.sgotplt)
2694 /* Strip this section if we don't need it; see the
2697 else if (CONST_STRNEQ (s->name, ".rela"))
2701 /* We use the reloc_count field as a counter if we need
2702 to copy relocs into the output file. */
2708 /* It's not one of our sections. */
2714 /* If we don't need this section, strip it from the
2715 output file. This is mostly to handle .rela.bss and
2716 .rela.plt. We must create both sections in
2717 create_dynamic_sections, because they must be created
2718 before the linker maps input sections to output
2719 sections. The linker does that before
2720 adjust_dynamic_symbol is called, and it is that
2721 function which decides whether anything needs to go
2722 into these sections. */
2723 s->flags |= SEC_EXCLUDE;
2727 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2730 /* Allocate memory for the section contents. Zero the memory
2731 for the benefit of .rela.plt, which has 4 unused entries
2732 at the beginning, and we don't want garbage. */
2733 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2734 if (s->contents == NULL)
2738 if (elf_hash_table (info)->dynamic_sections_created)
2740 /* Add some entries to the .dynamic section. We fill in the
2741 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2742 must add the entries now so that we get the correct size for
2743 the .dynamic section. The DT_DEBUG entry is filled in by the
2744 dynamic linker and used by the debugger. */
2745 #define add_dynamic_entry(TAG, VAL) \
2746 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2748 if (bfd_link_executable (info))
2750 if (!add_dynamic_entry (DT_DEBUG, 0))
2754 if (htab->elf.srelplt->size != 0)
2756 if (!add_dynamic_entry (DT_PLTGOT, 0)
2757 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2758 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2759 || !add_dynamic_entry (DT_JMPREL, 0))
2763 if (!add_dynamic_entry (DT_RELA, 0)
2764 || !add_dynamic_entry (DT_RELASZ, 0)
2765 || !add_dynamic_entry (DT_RELAENT,
2766 SPARC_ELF_RELA_BYTES (htab)))
2769 /* If any dynamic relocs apply to a read-only section,
2770 then we need a DT_TEXTREL entry. */
2771 if ((info->flags & DF_TEXTREL) == 0)
2772 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
2774 if (info->flags & DF_TEXTREL)
2776 if (!add_dynamic_entry (DT_TEXTREL, 0))
2780 if (ABI_64_P (output_bfd))
2783 struct _bfd_sparc_elf_app_reg * app_regs;
2784 struct elf_strtab_hash *dynstr;
2785 struct elf_link_hash_table *eht = elf_hash_table (info);
2787 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2788 entries if needed. */
2789 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2790 dynstr = eht->dynstr;
2792 for (reg = 0; reg < 4; reg++)
2793 if (app_regs [reg].name != NULL)
2795 struct elf_link_local_dynamic_entry *entry, *e;
2797 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2800 entry = (struct elf_link_local_dynamic_entry *)
2801 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2805 /* We cheat here a little bit: the symbol will not be local, so we
2806 put it at the end of the dynlocal linked list. We will fix it
2807 later on, as we have to fix other fields anyway. */
2808 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2809 entry->isym.st_size = 0;
2810 if (*app_regs [reg].name != '\0')
2812 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2814 entry->isym.st_name = 0;
2815 entry->isym.st_other = 0;
2816 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2818 entry->isym.st_shndx = app_regs [reg].shndx;
2819 entry->isym.st_target_internal = 0;
2821 entry->input_bfd = output_bfd;
2822 entry->input_indx = -1;
2824 if (eht->dynlocal == NULL)
2825 eht->dynlocal = entry;
2828 for (e = eht->dynlocal; e->next; e = e->next)
2835 if (htab->is_vxworks
2836 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2839 #undef add_dynamic_entry
2845 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2847 if (!sec->used_by_bfd)
2849 struct _bfd_sparc_elf_section_data *sdata;
2850 bfd_size_type amt = sizeof (*sdata);
2852 sdata = bfd_zalloc (abfd, amt);
2855 sec->used_by_bfd = sdata;
2858 return _bfd_elf_new_section_hook (abfd, sec);
2862 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2863 struct bfd_section *section,
2864 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2867 if (bfd_link_relocatable (link_info))
2868 (*link_info->callbacks->einfo)
2869 (_("%P%F: --relax and -r may not be used together\n"));
2872 sec_do_relax (section) = 1;
2876 /* Return the base VMA address which should be subtracted from real addresses
2877 when resolving @dtpoff relocation.
2878 This is PT_TLS segment p_vaddr. */
2881 dtpoff_base (struct bfd_link_info *info)
2883 /* If tls_sec is NULL, we should have signalled an error already. */
2884 if (elf_hash_table (info)->tls_sec == NULL)
2886 return elf_hash_table (info)->tls_sec->vma;
2889 /* Return the relocation value for @tpoff relocation
2890 if STT_TLS virtual address is ADDRESS. */
2893 tpoff (struct bfd_link_info *info, bfd_vma address)
2895 struct elf_link_hash_table *htab = elf_hash_table (info);
2896 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2897 bfd_vma static_tls_size;
2899 /* If tls_sec is NULL, we should have signalled an error already. */
2900 if (htab->tls_sec == NULL)
2903 /* Consider special static TLS alignment requirements. */
2904 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2905 return address - static_tls_size - htab->tls_sec->vma;
2908 /* Return the relocation value for a %gdop relocation. */
2911 gdopoff (struct bfd_link_info *info, bfd_vma address)
2913 struct elf_link_hash_table *htab = elf_hash_table (info);
2916 got_base = (htab->hgot->root.u.def.value
2917 + htab->hgot->root.u.def.section->output_offset
2918 + htab->hgot->root.u.def.section->output_section->vma);
2920 return address - got_base;
2923 /* Relocate a SPARC ELF section. */
2926 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2927 struct bfd_link_info *info,
2929 asection *input_section,
2931 Elf_Internal_Rela *relocs,
2932 Elf_Internal_Sym *local_syms,
2933 asection **local_sections)
2935 struct _bfd_sparc_elf_link_hash_table *htab;
2936 Elf_Internal_Shdr *symtab_hdr;
2937 struct elf_link_hash_entry **sym_hashes;
2938 bfd_vma *local_got_offsets;
2941 Elf_Internal_Rela *rel;
2942 Elf_Internal_Rela *relend;
2944 bfd_boolean is_vxworks_tls;
2946 htab = _bfd_sparc_elf_hash_table (info);
2947 BFD_ASSERT (htab != NULL);
2948 symtab_hdr = &elf_symtab_hdr (input_bfd);
2949 sym_hashes = elf_sym_hashes (input_bfd);
2950 local_got_offsets = elf_local_got_offsets (input_bfd);
2952 if (elf_hash_table (info)->hgot == NULL)
2955 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2957 sreloc = elf_section_data (input_section)->sreloc;
2958 /* We have to handle relocations in vxworks .tls_vars sections
2959 specially, because the dynamic loader is 'weird'. */
2960 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
2961 && !strcmp (input_section->output_section->name,
2965 if (ABI_64_P (output_bfd))
2966 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2968 num_relocs = input_section->reloc_count;
2969 relend = relocs + num_relocs;
2970 for (; rel < relend; rel++)
2972 int r_type, tls_type;
2973 reloc_howto_type *howto;
2974 unsigned long r_symndx;
2975 struct elf_link_hash_entry *h;
2976 Elf_Internal_Sym *sym;
2978 bfd_vma relocation, off;
2979 bfd_reloc_status_type r;
2980 bfd_boolean is_plt = FALSE;
2981 bfd_boolean unresolved_reloc;
2983 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2984 if (r_type == R_SPARC_GNU_VTINHERIT
2985 || r_type == R_SPARC_GNU_VTENTRY)
2988 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2990 bfd_set_error (bfd_error_bad_value);
2993 howto = _bfd_sparc_elf_howto_table + r_type;
2995 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2999 unresolved_reloc = FALSE;
3000 if (r_symndx < symtab_hdr->sh_info)
3002 sym = local_syms + r_symndx;
3003 sec = local_sections[r_symndx];
3004 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
3006 if (!bfd_link_relocatable (info)
3007 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
3009 /* Relocate against local STT_GNU_IFUNC symbol. */
3010 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
3015 /* Set STT_GNU_IFUNC symbol value. */
3016 h->root.u.def.value = sym->st_value;
3017 h->root.u.def.section = sec;
3022 bfd_boolean warned, ignored;
3024 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
3025 r_symndx, symtab_hdr, sym_hashes,
3027 unresolved_reloc, warned, ignored);
3030 /* To avoid generating warning messages about truncated
3031 relocations, set the relocation's address to be the same as
3032 the start of this section. */
3033 if (input_section->output_section != NULL)
3034 relocation = input_section->output_section->vma;
3040 if (sec != NULL && discarded_section (sec))
3041 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3042 rel, 1, relend, howto, 0, contents);
3044 if (bfd_link_relocatable (info))
3048 && h->type == STT_GNU_IFUNC
3054 if ((input_section->flags & SEC_ALLOC) == 0
3055 || h->plt.offset == (bfd_vma) -1)
3058 plt_sec = htab->elf.splt;
3060 plt_sec =htab->elf.iplt;
3064 case R_SPARC_GOTDATA_OP:
3067 case R_SPARC_GOTDATA_OP_HIX22:
3068 case R_SPARC_GOTDATA_OP_LOX10:
3069 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3072 howto = _bfd_sparc_elf_howto_table + r_type;
3078 if (htab->elf.sgot == NULL)
3080 off = h->got.offset;
3081 if (off == (bfd_vma) -1)
3083 relocation = htab->elf.sgot->output_offset + off - got_base;
3086 case R_SPARC_WPLT30:
3087 case R_SPARC_WDISP30:
3088 relocation = (plt_sec->output_section->vma
3089 + plt_sec->output_offset + h->plt.offset);
3094 if (bfd_link_pic (info) && h->non_got_ref)
3096 Elf_Internal_Rela outrel;
3099 offset = _bfd_elf_section_offset (output_bfd, info,
3102 if (offset == (bfd_vma) -1
3103 || offset == (bfd_vma) -2)
3106 outrel.r_offset = (input_section->output_section->vma
3107 + input_section->output_offset
3110 if (h->dynindx == -1
3112 || bfd_link_executable (info))
3114 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3115 0, R_SPARC_IRELATIVE);
3116 outrel.r_addend = relocation + rel->r_addend;
3120 if (h->dynindx == -1)
3122 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3123 outrel.r_addend = rel->r_addend;
3126 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3130 relocation = (plt_sec->output_section->vma
3131 + plt_sec->output_offset + h->plt.offset);
3136 /* We should only see such relocs in static links. */
3137 if (bfd_link_pic (info))
3139 relocation = (plt_sec->output_section->vma
3140 + plt_sec->output_offset + h->plt.offset);
3144 if (h->root.root.string)
3145 name = h->root.root.string;
3147 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3150 (_("%B: relocation %s against STT_GNU_IFUNC "
3151 "symbol `%s' isn't handled by %s"), input_bfd,
3152 _bfd_sparc_elf_howto_table[r_type].name,
3153 name, __FUNCTION__);
3154 bfd_set_error (bfd_error_bad_value);
3161 case R_SPARC_GOTDATA_OP_HIX22:
3162 case R_SPARC_GOTDATA_OP_LOX10:
3163 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);
3168 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3171 howto = _bfd_sparc_elf_howto_table + r_type;
3174 case R_SPARC_GOTDATA_OP:
3175 if (SYMBOL_REFERENCES_LOCAL (info, h))
3177 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3179 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3180 relocation = 0x80000000 | (insn & 0x3e07c01f);
3181 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3188 case R_SPARC_GOTDATA_HIX22:
3189 case R_SPARC_GOTDATA_LOX10:
3190 relocation = gdopoff (info, relocation);
3196 /* Relocation is to the entry for this symbol in the global
3198 if (htab->elf.sgot == NULL)
3205 off = h->got.offset;
3206 BFD_ASSERT (off != (bfd_vma) -1);
3207 dyn = elf_hash_table (info)->dynamic_sections_created;
3209 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3210 bfd_link_pic (info),
3212 || (bfd_link_pic (info)
3213 && SYMBOL_REFERENCES_LOCAL (info, h)))
3215 /* This is actually a static link, or it is a
3216 -Bsymbolic link and the symbol is defined
3217 locally, or the symbol was forced to be local
3218 because of a version file. We must initialize
3219 this entry in the global offset table. Since the
3220 offset must always be a multiple of 8 for 64-bit
3221 and 4 for 32-bit, we use the least significant bit
3222 to record whether we have initialized it already.
3224 When doing a dynamic link, we create a .rela.got
3225 relocation entry to initialize the value. This
3226 is done in the finish_dynamic_symbol routine. */
3231 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3232 htab->elf.sgot->contents + off);
3237 unresolved_reloc = FALSE;
3241 BFD_ASSERT (local_got_offsets != NULL
3242 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3244 off = local_got_offsets[r_symndx];
3246 /* The offset must always be a multiple of 8 on 64-bit and
3247 4 on 32-bit. We use the least significant bit to record
3248 whether we have already processed this entry. */
3254 if (bfd_link_pic (info))
3257 Elf_Internal_Rela outrel;
3259 /* We need to generate a R_SPARC_RELATIVE reloc
3260 for the dynamic linker. */
3261 s = htab->elf.srelgot;
3262 BFD_ASSERT (s != NULL);
3264 outrel.r_offset = (htab->elf.sgot->output_section->vma
3265 + htab->elf.sgot->output_offset
3267 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3268 0, R_SPARC_RELATIVE);
3269 outrel.r_addend = relocation;
3271 sparc_elf_append_rela (output_bfd, s, &outrel);
3274 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3275 htab->elf.sgot->contents + off);
3276 local_got_offsets[r_symndx] |= 1;
3279 relocation = htab->elf.sgot->output_offset + off - got_base;
3284 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3286 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3291 case R_SPARC_WPLT30:
3292 case R_SPARC_HIPLT22:
3293 case R_SPARC_LOPLT10:
3294 case R_SPARC_PCPLT32:
3295 case R_SPARC_PCPLT22:
3296 case R_SPARC_PCPLT10:
3298 /* Relocation is to the entry for this symbol in the
3299 procedure linkage table. */
3301 if (! ABI_64_P (output_bfd))
3303 /* The Solaris native assembler will generate a WPLT30 reloc
3304 for a local symbol if you assemble a call from one
3305 section to another when using -K pic. We treat it as
3310 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3311 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3315 BFD_ASSERT (h != NULL);
3318 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3320 /* We didn't make a PLT entry for this symbol. This
3321 happens when statically linking PIC code, or when
3322 using -Bsymbolic. */
3326 relocation = (htab->elf.splt->output_section->vma
3327 + htab->elf.splt->output_offset
3329 unresolved_reloc = FALSE;
3330 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3332 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3340 case R_SPARC_PC_HH22:
3341 case R_SPARC_PC_HM10:
3342 case R_SPARC_PC_LM22:
3344 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3348 case R_SPARC_DISP16:
3349 case R_SPARC_DISP32:
3350 case R_SPARC_DISP64:
3351 case R_SPARC_WDISP30:
3352 case R_SPARC_WDISP22:
3353 case R_SPARC_WDISP19:
3354 case R_SPARC_WDISP16:
3355 case R_SPARC_WDISP10:
3383 if ((input_section->flags & SEC_ALLOC) == 0
3387 if ((bfd_link_pic (info)
3389 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3390 || h->root.type != bfd_link_hash_undefweak)
3391 && (! howto->pc_relative
3392 || !SYMBOL_CALLS_LOCAL (info, h)))
3393 || (!bfd_link_pic (info)
3399 || h->root.type == bfd_link_hash_undefweak
3400 || h->root.type == bfd_link_hash_undefined)))
3402 Elf_Internal_Rela outrel;
3403 bfd_boolean skip, relocate = FALSE;
3405 /* When generating a shared object, these relocations
3406 are copied into the output file to be resolved at run
3409 BFD_ASSERT (sreloc != NULL);
3414 _bfd_elf_section_offset (output_bfd, info, input_section,
3416 if (outrel.r_offset == (bfd_vma) -1)
3418 else if (outrel.r_offset == (bfd_vma) -2)
3419 skip = TRUE, relocate = TRUE;
3420 outrel.r_offset += (input_section->output_section->vma
3421 + input_section->output_offset);
3423 /* Optimize unaligned reloc usage now that we know where
3424 it finally resides. */
3428 if (outrel.r_offset & 1)
3429 r_type = R_SPARC_UA16;
3432 if (!(outrel.r_offset & 1))
3433 r_type = R_SPARC_16;
3436 if (outrel.r_offset & 3)
3437 r_type = R_SPARC_UA32;
3440 if (!(outrel.r_offset & 3))
3441 r_type = R_SPARC_32;
3444 if (outrel.r_offset & 7)
3445 r_type = R_SPARC_UA64;
3448 if (!(outrel.r_offset & 7))
3449 r_type = R_SPARC_64;
3452 case R_SPARC_DISP16:
3453 case R_SPARC_DISP32:
3454 case R_SPARC_DISP64:
3455 /* If the symbol is not dynamic, we should not keep
3456 a dynamic relocation. But an .rela.* slot has been
3457 allocated for it, output R_SPARC_NONE.
3458 FIXME: Add code tracking needed dynamic relocs as
3460 if (h->dynindx == -1)
3461 skip = TRUE, relocate = TRUE;
3466 memset (&outrel, 0, sizeof outrel);
3467 /* h->dynindx may be -1 if the symbol was marked to
3471 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3472 || !bfd_link_pic (info)
3473 || !SYMBOLIC_BIND (info, h)
3474 || !h->def_regular))
3476 BFD_ASSERT (h->dynindx != -1);
3477 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3478 outrel.r_addend = rel->r_addend;
3482 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3483 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
3485 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3486 0, R_SPARC_RELATIVE);
3487 outrel.r_addend = relocation + rel->r_addend;
3493 outrel.r_addend = relocation + rel->r_addend;
3496 sec = htab->elf.splt;
3498 if (bfd_is_abs_section (sec))
3500 else if (sec == NULL || sec->owner == NULL)
3502 bfd_set_error (bfd_error_bad_value);
3509 /* We are turning this relocation into one
3510 against a section symbol. It would be
3511 proper to subtract the symbol's value,
3512 osec->vma, from the emitted reloc addend,
3513 but ld.so expects buggy relocs. */
3514 osec = sec->output_section;
3515 indx = elf_section_data (osec)->dynindx;
3519 osec = htab->elf.text_index_section;
3520 indx = elf_section_data (osec)->dynindx;
3523 /* FIXME: we really should be able to link non-pic
3524 shared libraries. */
3529 (_("%B: probably compiled without -fPIC?"),
3531 bfd_set_error (bfd_error_bad_value);
3536 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3541 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3543 /* This reloc will be computed at runtime, so there's no
3544 need to do anything now. */
3550 case R_SPARC_TLS_GD_HI22:
3551 if (! ABI_64_P (input_bfd)
3552 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
3554 /* R_SPARC_REV32 used the same reloc number as
3555 R_SPARC_TLS_GD_HI22. */
3556 r_type = R_SPARC_REV32;
3561 case R_SPARC_TLS_GD_LO10:
3562 case R_SPARC_TLS_IE_HI22:
3563 case R_SPARC_TLS_IE_LO10:
3564 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
3565 tls_type = GOT_UNKNOWN;
3566 if (h == NULL && local_got_offsets)
3567 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3570 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3571 if (!bfd_link_pic (info)
3573 && tls_type == GOT_TLS_IE)
3574 switch (SPARC_ELF_R_TYPE (rel->r_info))
3576 case R_SPARC_TLS_GD_HI22:
3577 case R_SPARC_TLS_IE_HI22:
3578 r_type = R_SPARC_TLS_LE_HIX22;
3581 r_type = R_SPARC_TLS_LE_LOX10;
3585 if (tls_type == GOT_TLS_IE)
3588 case R_SPARC_TLS_GD_HI22:
3589 r_type = R_SPARC_TLS_IE_HI22;
3591 case R_SPARC_TLS_GD_LO10:
3592 r_type = R_SPARC_TLS_IE_LO10;
3596 if (r_type == R_SPARC_TLS_LE_HIX22)
3598 relocation = tpoff (info, relocation);
3601 if (r_type == R_SPARC_TLS_LE_LOX10)
3603 /* Change add into xor. */
3604 relocation = tpoff (info, relocation);
3605 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3606 contents + rel->r_offset)
3607 | 0x80182000), contents + rel->r_offset);
3613 off = h->got.offset;
3618 BFD_ASSERT (local_got_offsets != NULL);
3619 off = local_got_offsets[r_symndx];
3620 local_got_offsets[r_symndx] |= 1;
3624 if (htab->elf.sgot == NULL)
3631 Elf_Internal_Rela outrel;
3634 if (htab->elf.srelgot == NULL)
3637 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3638 htab->elf.sgot->contents + off);
3639 outrel.r_offset = (htab->elf.sgot->output_section->vma
3640 + htab->elf.sgot->output_offset + off);
3641 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3642 if (r_type == R_SPARC_TLS_IE_HI22
3643 || r_type == R_SPARC_TLS_IE_LO10)
3644 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3646 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3647 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3648 outrel.r_addend = relocation - dtpoff_base (info);
3650 outrel.r_addend = 0;
3651 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3652 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3654 if (r_type == R_SPARC_TLS_GD_HI22
3655 || r_type == R_SPARC_TLS_GD_LO10)
3659 BFD_ASSERT (! unresolved_reloc);
3660 SPARC_ELF_PUT_WORD (htab, output_bfd,
3661 relocation - dtpoff_base (info),
3662 (htab->elf.sgot->contents + off
3663 + SPARC_ELF_WORD_BYTES (htab)));
3667 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3668 (htab->elf.sgot->contents + off
3669 + SPARC_ELF_WORD_BYTES (htab)));
3670 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3671 SPARC_ELF_DTPOFF_RELOC (htab));
3672 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3673 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3677 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3679 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3680 (htab->elf.sgot->contents + off
3681 + SPARC_ELF_WORD_BYTES (htab)));
3685 if (off >= (bfd_vma) -2)
3688 relocation = htab->elf.sgot->output_offset + off - got_base;
3689 unresolved_reloc = FALSE;
3690 howto = _bfd_sparc_elf_howto_table + r_type;
3693 case R_SPARC_TLS_LDM_HI22:
3694 case R_SPARC_TLS_LDM_LO10:
3695 if (! bfd_link_pic (info))
3697 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3700 off = htab->tls_ldm_got.offset;
3701 htab->tls_ldm_got.offset |= 1;
3702 goto r_sparc_tlsldm;
3704 case R_SPARC_TLS_LDO_HIX22:
3705 case R_SPARC_TLS_LDO_LOX10:
3706 if (bfd_link_pic (info))
3708 relocation -= dtpoff_base (info);
3712 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3713 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3716 case R_SPARC_TLS_LE_HIX22:
3717 case R_SPARC_TLS_LE_LOX10:
3718 if (bfd_link_pic (info))
3720 Elf_Internal_Rela outrel;
3723 BFD_ASSERT (sreloc != NULL);
3726 _bfd_elf_section_offset (output_bfd, info, input_section,
3728 if (outrel.r_offset == (bfd_vma) -1)
3730 else if (outrel.r_offset == (bfd_vma) -2)
3732 outrel.r_offset += (input_section->output_section->vma
3733 + input_section->output_offset);
3735 memset (&outrel, 0, sizeof outrel);
3738 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3739 outrel.r_addend = relocation - dtpoff_base (info)
3743 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3746 relocation = tpoff (info, relocation);
3749 case R_SPARC_TLS_LDM_CALL:
3750 if (! bfd_link_pic (info))
3753 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3758 case R_SPARC_TLS_GD_CALL:
3759 tls_type = GOT_UNKNOWN;
3760 if (h == NULL && local_got_offsets)
3761 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3763 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3764 if (! bfd_link_pic (info)
3765 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3767 Elf_Internal_Rela *rel2;
3770 if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
3773 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3778 if (rel + 1 < relend
3779 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3780 && rel[1].r_offset == rel->r_offset + 4
3781 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3782 && (((insn = bfd_get_32 (input_bfd,
3783 contents + rel[1].r_offset))
3784 >> 25) & 0x1f) == 8)
3787 call __tls_get_addr, %tgd_call(foo)
3788 add %reg1, %reg2, %o0, %tgd_add(foo)
3789 and change it into IE:
3790 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3791 add %g7, %o0, %o0, %tie_add(foo).
3792 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3793 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3794 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3795 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3796 contents + rel->r_offset);
3797 bfd_put_32 (output_bfd, 0x9001c008,
3798 contents + rel->r_offset + 4);
3803 /* We cannot just overwrite the delay slot instruction,
3804 as it might be what puts the %o0 argument to
3805 __tls_get_addr into place. So we have to transpose
3806 the delay slot with the add we patch in. */
3807 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3808 bfd_put_32 (output_bfd, insn,
3809 contents + rel->r_offset);
3810 bfd_put_32 (output_bfd, 0x9001c008,
3811 contents + rel->r_offset + 4);
3814 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3818 /* If the instruction we moved has a relocation attached to
3819 it, adjust the offset so that it will apply to the correct
3821 rel2->r_offset -= 4;
3826 h = (struct elf_link_hash_entry *)
3827 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3829 BFD_ASSERT (h != NULL);
3830 r_type = R_SPARC_WPLT30;
3831 howto = _bfd_sparc_elf_howto_table + r_type;
3832 goto r_sparc_wplt30;
3834 case R_SPARC_TLS_GD_ADD:
3835 tls_type = GOT_UNKNOWN;
3836 if (h == NULL && local_got_offsets)
3837 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3839 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3840 if (! bfd_link_pic (info) || tls_type == GOT_TLS_IE)
3842 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3844 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3846 add %g7, %reg2, %reg3. */
3847 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3848 if ((h != NULL && h->dynindx != -1) || bfd_link_pic (info))
3849 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3851 relocation = (insn & ~0x7c000) | 0x1c000;
3852 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3856 case R_SPARC_TLS_LDM_ADD:
3857 if (! bfd_link_pic (info))
3858 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3861 case R_SPARC_TLS_LDO_ADD:
3862 if (! bfd_link_pic (info))
3864 /* Change rs1 into %g7. */
3865 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3866 insn = (insn & ~0x7c000) | 0x1c000;
3867 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3871 case R_SPARC_TLS_IE_LD:
3872 case R_SPARC_TLS_IE_LDX:
3873 if (! bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
3875 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3876 int rs2 = insn & 0x1f;
3877 int rd = (insn >> 25) & 0x1f;
3880 relocation = SPARC_NOP;
3882 relocation = 0x80100000 | (insn & 0x3e00001f);
3883 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3887 case R_SPARC_TLS_IE_ADD:
3888 /* Totally useless relocation. */
3891 case R_SPARC_TLS_DTPOFF32:
3892 case R_SPARC_TLS_DTPOFF64:
3893 relocation -= dtpoff_base (info);
3900 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3901 because such sections are not SEC_ALLOC and thus ld.so will
3902 not process them. */
3903 if (unresolved_reloc
3904 && !((input_section->flags & SEC_DEBUGGING) != 0
3906 && _bfd_elf_section_offset (output_bfd, info, input_section,
3907 rel->r_offset) != (bfd_vma) -1)
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)
4020 relocation += rel->r_addend;
4021 if (r_type == R_SPARC_HIX22
4022 || (bfd_signed_vma) relocation < 0)
4023 relocation = relocation ^ MINUS_ONE;
4025 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4026 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4027 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4029 r = bfd_check_overflow (howto->complain_on_overflow,
4030 howto->bitsize, howto->rightshift,
4031 bfd_arch_bits_per_address (input_bfd),
4034 else if (r_type == R_SPARC_LOX10
4035 || r_type == R_SPARC_GOTDATA_LOX10)
4039 relocation += rel->r_addend;
4040 if (r_type == R_SPARC_LOX10
4041 || (bfd_signed_vma) relocation < 0)
4042 relocation = (relocation & 0x3ff) | 0x1c00;
4044 relocation = (relocation & 0x3ff);
4046 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4047 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4048 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4052 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4053 && sec_do_relax (input_section)
4054 && rel->r_offset + 4 < input_section->size)
4058 #define XCC (2 << 20)
4059 #define COND(x) (((x)&0xf)<<25)
4060 #define CONDA COND(0x8)
4061 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4062 #define INSN_BA (F2(0,2) | CONDA)
4063 #define INSN_OR F3(2, 0x2, 0)
4064 #define INSN_NOP F2(0,4)
4068 /* If the instruction is a call with either:
4070 arithmetic instruction with rd == %o7
4071 where rs1 != %o7 and rs2 if it is register != %o7
4072 then we can optimize if the call destination is near
4073 by changing the call into a branch always. */
4074 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4075 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4076 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4078 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4079 || ((y & OP3(0x28)) == 0 /* arithmetic */
4080 && (y & RD(~0)) == RD(O7)))
4081 && (y & RS1(~0)) != RS1(O7)
4083 || (y & RS2(~0)) != RS2(O7)))
4087 reloc = relocation + rel->r_addend - rel->r_offset;
4088 reloc -= (input_section->output_section->vma
4089 + input_section->output_offset);
4091 /* Ensure the branch fits into simm22. */
4092 if ((reloc & 3) == 0
4093 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4094 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4098 /* Check whether it fits into simm19. */
4099 if (((reloc & 0x3c0000) == 0
4100 || (reloc & 0x3c0000) == 0x3c0000)
4101 && (ABI_64_P (output_bfd)
4102 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4103 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4105 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4106 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4108 if (rel->r_offset >= 4
4109 && (y & (0xffffffff ^ RS1(~0)))
4110 == (INSN_OR | RD(O7) | RS2(G0)))
4115 z = bfd_get_32 (input_bfd,
4116 contents + rel->r_offset - 4);
4117 if ((z & (0xffffffff ^ RD(~0)))
4118 != (INSN_OR | RS1(O7) | RS2(G0)))
4126 If call foo was replaced with ba, replace
4127 or %rN, %g0, %o7 with nop. */
4129 reg = (y & RS1(~0)) >> 14;
4130 if (reg != ((z & RD(~0)) >> 25)
4131 || reg == G0 || reg == O7)
4134 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4135 contents + rel->r_offset + 4);
4143 if (r == bfd_reloc_continue)
4146 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4147 contents, rel->r_offset,
4148 relocation, rel->r_addend);
4150 if (r != bfd_reloc_ok)
4155 case bfd_reloc_outofrange:
4157 case bfd_reloc_overflow:
4161 /* The Solaris native linker silently disregards overflows.
4162 We don't, but this breaks stabs debugging info, whose
4163 relocations are only 32-bits wide. Ignore overflows in
4164 this case and also for discarded entries. */
4165 if ((r_type == R_SPARC_32
4166 || r_type == R_SPARC_UA32
4167 || r_type == R_SPARC_DISP32)
4168 && (((input_section->flags & SEC_DEBUGGING) != 0
4169 && strcmp (bfd_section_name (input_bfd,
4172 || _bfd_elf_section_offset (output_bfd, info,
4180 /* Assume this is a call protected by other code that
4181 detect the symbol is undefined. If this is the case,
4182 we can safely ignore the overflow. If not, the
4183 program is hosed anyway, and a little warning isn't
4185 if (h->root.type == bfd_link_hash_undefweak
4186 && howto->pc_relative)
4193 name = bfd_elf_string_from_elf_section (input_bfd,
4194 symtab_hdr->sh_link,
4199 name = bfd_section_name (input_bfd, sec);
4201 (*info->callbacks->reloc_overflow)
4202 (info, (h ? &h->root : NULL), name, howto->name,
4203 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4213 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4214 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4215 is the offset of the associated .got.plt entry from
4216 _GLOBAL_OFFSET_TABLE_. */
4219 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4220 bfd_vma plt_offset, bfd_vma plt_index,
4224 const bfd_vma *plt_entry;
4225 struct _bfd_sparc_elf_link_hash_table *htab;
4227 Elf_Internal_Rela rela;
4229 htab = _bfd_sparc_elf_hash_table (info);
4230 BFD_ASSERT (htab != NULL);
4232 if (bfd_link_pic (info))
4234 plt_entry = sparc_vxworks_shared_plt_entry;
4239 plt_entry = sparc_vxworks_exec_plt_entry;
4240 got_base = (htab->elf.hgot->root.u.def.value
4241 + htab->elf.hgot->root.u.def.section->output_offset
4242 + htab->elf.hgot->root.u.def.section->output_section->vma);
4245 /* Fill in the entry in the procedure linkage table. */
4246 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4247 htab->elf.splt->contents + plt_offset);
4248 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4249 htab->elf.splt->contents + plt_offset + 4);
4250 bfd_put_32 (output_bfd, plt_entry[2],
4251 htab->elf.splt->contents + plt_offset + 8);
4252 bfd_put_32 (output_bfd, plt_entry[3],
4253 htab->elf.splt->contents + plt_offset + 12);
4254 bfd_put_32 (output_bfd, plt_entry[4],
4255 htab->elf.splt->contents + plt_offset + 16);
4256 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4257 htab->elf.splt->contents + plt_offset + 20);
4258 /* PC-relative displacement for a branch to the start of
4260 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4262 htab->elf.splt->contents + plt_offset + 24);
4263 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4264 htab->elf.splt->contents + plt_offset + 28);
4266 /* Fill in the .got.plt entry, pointing initially at the
4267 second half of the PLT entry. */
4268 BFD_ASSERT (htab->elf.sgotplt != NULL);
4269 bfd_put_32 (output_bfd,
4270 htab->elf.splt->output_section->vma
4271 + htab->elf.splt->output_offset
4273 htab->elf.sgotplt->contents + got_offset);
4275 /* Add relocations to .rela.plt.unloaded. */
4276 if (!bfd_link_pic (info))
4278 loc = (htab->srelplt2->contents
4279 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4281 /* Relocate the initial sethi. */
4282 rela.r_offset = (htab->elf.splt->output_section->vma
4283 + htab->elf.splt->output_offset
4285 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4286 rela.r_addend = got_offset;
4287 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4288 loc += sizeof (Elf32_External_Rela);
4290 /* Likewise the following or. */
4292 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4293 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4294 loc += sizeof (Elf32_External_Rela);
4296 /* Relocate the .got.plt entry. */
4297 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4298 + htab->elf.sgotplt->output_offset
4300 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4301 rela.r_addend = plt_offset + 20;
4302 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4306 /* Finish up dynamic symbol handling. We set the contents of various
4307 dynamic sections here. */
4310 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4311 struct bfd_link_info *info,
4312 struct elf_link_hash_entry *h,
4313 Elf_Internal_Sym *sym)
4315 struct _bfd_sparc_elf_link_hash_table *htab;
4316 const struct elf_backend_data *bed;
4318 htab = _bfd_sparc_elf_hash_table (info);
4319 BFD_ASSERT (htab != NULL);
4320 bed = get_elf_backend_data (output_bfd);
4322 if (h->plt.offset != (bfd_vma) -1)
4326 Elf_Internal_Rela rela;
4328 bfd_vma r_offset, got_offset;
4331 /* When building a static executable, use .iplt and
4332 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4333 if (htab->elf.splt != NULL)
4335 splt = htab->elf.splt;
4336 srela = htab->elf.srelplt;
4340 splt = htab->elf.iplt;
4341 srela = htab->elf.irelplt;
4344 if (splt == NULL || srela == NULL)
4347 /* Fill in the entry in the .rela.plt section. */
4348 if (htab->is_vxworks)
4350 /* Work out the index of this PLT entry. */
4351 rela_index = ((h->plt.offset - htab->plt_header_size)
4352 / htab->plt_entry_size);
4354 /* Calculate the offset of the associated .got.plt entry.
4355 The first three entries are reserved. */
4356 got_offset = (rela_index + 3) * 4;
4358 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4359 rela_index, got_offset);
4362 /* On VxWorks, the relocation points to the .got.plt entry,
4363 not the .plt entry. */
4364 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4365 + htab->elf.sgotplt->output_offset
4368 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4373 bfd_boolean ifunc = FALSE;
4375 /* Fill in the entry in the procedure linkage table. */
4376 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4377 h->plt.offset, splt->size,
4382 || ((bfd_link_executable (info)
4383 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4385 && h->type == STT_GNU_IFUNC))
4388 BFD_ASSERT (h == NULL
4389 || (h->type == STT_GNU_IFUNC
4391 && (h->root.type == bfd_link_hash_defined
4392 || h->root.type == bfd_link_hash_defweak)));
4395 rela.r_offset = r_offset
4396 + (splt->output_section->vma + splt->output_offset);
4397 if (ABI_64_P (output_bfd)
4398 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4402 rela.r_addend = (h->root.u.def.section->output_section->vma
4403 + h->root.u.def.section->output_offset
4404 + h->root.u.def.value);
4405 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4410 rela.r_addend = (-(h->plt.offset + 4)
4411 - splt->output_section->vma
4412 - splt->output_offset);
4413 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4421 rela.r_addend = (h->root.u.def.section->output_section->vma
4422 + h->root.u.def.section->output_offset
4423 + h->root.u.def.value);
4424 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4430 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4436 /* Adjust for the first 4 reserved elements in the .plt section
4437 when setting the offset in the .rela.plt section.
4438 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4439 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4441 loc = srela->contents;
4442 loc += rela_index * bed->s->sizeof_rela;
4443 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4445 if (!h->def_regular)
4447 /* Mark the symbol as undefined, rather than as defined in
4448 the .plt section. Leave the value alone. */
4449 sym->st_shndx = SHN_UNDEF;
4450 /* If the symbol is weak, we do need to clear the value.
4451 Otherwise, the PLT entry would provide a definition for
4452 the symbol even if the symbol wasn't defined anywhere,
4453 and so the symbol would never be NULL. */
4454 if (!h->ref_regular_nonweak)
4459 if (h->got.offset != (bfd_vma) -1
4460 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4461 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
4465 Elf_Internal_Rela rela;
4467 /* This symbol has an entry in the GOT. Set it up. */
4469 sgot = htab->elf.sgot;
4470 srela = htab->elf.srelgot;
4471 BFD_ASSERT (sgot != NULL && srela != NULL);
4473 rela.r_offset = (sgot->output_section->vma
4474 + sgot->output_offset
4475 + (h->got.offset &~ (bfd_vma) 1));
4477 /* If this is a -Bsymbolic link, and the symbol is defined
4478 locally, we just want to emit a RELATIVE reloc. Likewise if
4479 the symbol was forced to be local because of a version file.
4480 The entry in the global offset table will already have been
4481 initialized in the relocate_section function. */
4482 if (! bfd_link_pic (info)
4483 && h->type == STT_GNU_IFUNC
4488 /* We load the GOT entry with the PLT entry. */
4489 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4490 SPARC_ELF_PUT_WORD (htab, output_bfd,
4491 (plt->output_section->vma
4492 + plt->output_offset + h->plt.offset),
4493 htab->elf.sgot->contents
4494 + (h->got.offset & ~(bfd_vma) 1));
4497 else if (bfd_link_pic (info)
4498 && SYMBOL_REFERENCES_LOCAL (info, h))
4500 asection *sec = h->root.u.def.section;
4501 if (h->type == STT_GNU_IFUNC)
4502 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4504 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4505 rela.r_addend = (h->root.u.def.value
4506 + sec->output_section->vma
4507 + sec->output_offset);
4511 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4515 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4516 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4517 sparc_elf_append_rela (output_bfd, srela, &rela);
4523 Elf_Internal_Rela rela;
4525 /* This symbols needs a copy reloc. Set it up. */
4526 BFD_ASSERT (h->dynindx != -1);
4528 s = bfd_get_linker_section (h->root.u.def.section->owner,
4530 BFD_ASSERT (s != NULL);
4532 rela.r_offset = (h->root.u.def.value
4533 + h->root.u.def.section->output_section->vma
4534 + h->root.u.def.section->output_offset);
4535 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4537 sparc_elf_append_rela (output_bfd, s, &rela);
4540 /* Mark some specially defined symbols as absolute. On VxWorks,
4541 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4542 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4544 && (h == htab->elf.hdynamic
4545 || (!htab->is_vxworks
4546 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4547 sym->st_shndx = SHN_ABS;
4552 /* Finish up the dynamic sections. */
4555 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4556 bfd *dynobj, asection *sdyn,
4557 asection *splt ATTRIBUTE_UNUSED)
4559 struct _bfd_sparc_elf_link_hash_table *htab;
4560 const struct elf_backend_data *bed;
4561 bfd_byte *dyncon, *dynconend;
4563 int stt_regidx = -1;
4564 bfd_boolean abi_64_p;
4566 htab = _bfd_sparc_elf_hash_table (info);
4567 BFD_ASSERT (htab != NULL);
4568 bed = get_elf_backend_data (output_bfd);
4569 dynsize = bed->s->sizeof_dyn;
4570 dynconend = sdyn->contents + sdyn->size;
4571 abi_64_p = ABI_64_P (output_bfd);
4572 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4574 Elf_Internal_Dyn dyn;
4578 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4580 if (htab->is_vxworks && dyn.d_tag == DT_RELASZ)
4582 /* On VxWorks, DT_RELASZ should not include the relocations
4584 if (htab->elf.srelplt)
4586 dyn.d_un.d_val -= htab->elf.srelplt->size;
4587 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4590 else if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4592 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4593 not to the start of the PLT. */
4594 if (htab->elf.sgotplt)
4596 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4597 + htab->elf.sgotplt->output_offset);
4598 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4601 else if (htab->is_vxworks
4602 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4603 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4604 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4606 if (stt_regidx == -1)
4609 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4610 if (stt_regidx == -1)
4613 dyn.d_un.d_val = stt_regidx++;
4614 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4620 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
4621 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
4622 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
4623 default: name = NULL; size = FALSE; break;
4630 s = bfd_get_linker_section (dynobj, name);
4636 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4638 dyn.d_un.d_val = s->size;
4640 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4647 /* Install the first PLT entry in a VxWorks executable and make sure that
4648 .rela.plt.unloaded relocations have the correct symbol indexes. */
4651 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4653 struct _bfd_sparc_elf_link_hash_table *htab;
4654 Elf_Internal_Rela rela;
4658 htab = _bfd_sparc_elf_hash_table (info);
4659 BFD_ASSERT (htab != NULL);
4661 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4662 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4663 + htab->elf.hgot->root.u.def.section->output_offset
4664 + htab->elf.hgot->root.u.def.value);
4666 /* Install the initial PLT entry. */
4667 bfd_put_32 (output_bfd,
4668 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4669 htab->elf.splt->contents);
4670 bfd_put_32 (output_bfd,
4671 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4672 htab->elf.splt->contents + 4);
4673 bfd_put_32 (output_bfd,
4674 sparc_vxworks_exec_plt0_entry[2],
4675 htab->elf.splt->contents + 8);
4676 bfd_put_32 (output_bfd,
4677 sparc_vxworks_exec_plt0_entry[3],
4678 htab->elf.splt->contents + 12);
4679 bfd_put_32 (output_bfd,
4680 sparc_vxworks_exec_plt0_entry[4],
4681 htab->elf.splt->contents + 16);
4683 loc = htab->srelplt2->contents;
4685 /* Add an unloaded relocation for the initial entry's "sethi". */
4686 rela.r_offset = (htab->elf.splt->output_section->vma
4687 + htab->elf.splt->output_offset);
4688 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4690 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4691 loc += sizeof (Elf32_External_Rela);
4693 /* Likewise the following "or". */
4695 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4696 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4697 loc += sizeof (Elf32_External_Rela);
4699 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4700 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4701 in which symbols were output. */
4702 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4704 Elf_Internal_Rela rel;
4706 /* The entry's initial "sethi" (against _G_O_T_). */
4707 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4708 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4709 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4710 loc += sizeof (Elf32_External_Rela);
4712 /* The following "or" (also against _G_O_T_). */
4713 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4714 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4715 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4716 loc += sizeof (Elf32_External_Rela);
4718 /* The .got.plt entry (against _P_L_T_). */
4719 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4720 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4721 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4722 loc += sizeof (Elf32_External_Rela);
4726 /* Install the first PLT entry in a VxWorks shared object. */
4729 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4731 struct _bfd_sparc_elf_link_hash_table *htab;
4734 htab = _bfd_sparc_elf_hash_table (info);
4735 BFD_ASSERT (htab != NULL);
4737 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4738 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4739 htab->elf.splt->contents + i * 4);
4742 /* Finish up local dynamic symbol handling. We set the contents of
4743 various dynamic sections here. */
4746 finish_local_dynamic_symbol (void **slot, void *inf)
4748 struct elf_link_hash_entry *h
4749 = (struct elf_link_hash_entry *) *slot;
4750 struct bfd_link_info *info
4751 = (struct bfd_link_info *) inf;
4753 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4758 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4762 struct _bfd_sparc_elf_link_hash_table *htab;
4764 htab = _bfd_sparc_elf_hash_table (info);
4765 BFD_ASSERT (htab != NULL);
4766 dynobj = htab->elf.dynobj;
4768 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4770 if (elf_hash_table (info)->dynamic_sections_created)
4774 splt = htab->elf.splt;
4775 BFD_ASSERT (splt != NULL && sdyn != NULL);
4777 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4780 /* Initialize the contents of the .plt section. */
4783 if (htab->is_vxworks)
4785 if (bfd_link_pic (info))
4786 sparc_vxworks_finish_shared_plt (output_bfd, info);
4788 sparc_vxworks_finish_exec_plt (output_bfd, info);
4792 memset (splt->contents, 0, htab->plt_header_size);
4793 if (!ABI_64_P (output_bfd))
4794 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4795 splt->contents + splt->size - 4);
4799 if (elf_section_data (splt->output_section) != NULL)
4800 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4801 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4802 ? 0 : htab->plt_entry_size);
4805 /* Set the first entry in the global offset table to the address of
4806 the dynamic section. */
4807 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4809 bfd_vma val = (sdyn ?
4810 sdyn->output_section->vma + sdyn->output_offset :
4813 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4817 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4818 SPARC_ELF_WORD_BYTES (htab);
4820 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4821 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4827 /* Set the right machine number for a SPARC ELF file. */
4830 _bfd_sparc_elf_object_p (bfd *abfd)
4832 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4833 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4834 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4836 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4837 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
4838 | ELF_SPARC_HWCAP_VIS3
4839 | ELF_SPARC_HWCAP_HPC);
4840 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
4841 | ELF_SPARC_HWCAP_DES
4842 | ELF_SPARC_HWCAP_KASUMI
4843 | ELF_SPARC_HWCAP_CAMELLIA
4844 | ELF_SPARC_HWCAP_MD5
4845 | ELF_SPARC_HWCAP_SHA1
4846 | ELF_SPARC_HWCAP_SHA256
4847 | ELF_SPARC_HWCAP_SHA512
4848 | ELF_SPARC_HWCAP_MPMUL
4849 | ELF_SPARC_HWCAP_MONT
4850 | ELF_SPARC_HWCAP_CRC32C
4851 | ELF_SPARC_HWCAP_CBCOND
4852 | ELF_SPARC_HWCAP_PAUSE);
4853 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
4854 | ELF_SPARC_HWCAP_IMA);
4855 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
4856 | ELF_SPARC_HWCAP2_MWAIT
4857 | ELF_SPARC_HWCAP2_XMPMUL
4858 | ELF_SPARC_HWCAP2_XMONT);
4860 if (ABI_64_P (abfd))
4862 unsigned long mach = bfd_mach_sparc_v9;
4864 if (hwcaps2->i & v9m_hwcaps2_mask)
4865 mach = bfd_mach_sparc_v9m;
4866 else if (hwcaps->i & v9v_hwcaps_mask)
4867 mach = bfd_mach_sparc_v9v;
4868 else if (hwcaps->i & v9e_hwcaps_mask)
4869 mach = bfd_mach_sparc_v9e;
4870 else if (hwcaps->i & v9d_hwcaps_mask)
4871 mach = bfd_mach_sparc_v9d;
4872 else if (hwcaps->i & v9c_hwcaps_mask)
4873 mach = bfd_mach_sparc_v9c;
4874 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4875 mach = bfd_mach_sparc_v9b;
4876 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4877 mach = bfd_mach_sparc_v9a;
4878 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4882 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4884 if (hwcaps2->i & v9m_hwcaps2_mask)
4885 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4886 bfd_mach_sparc_v8plusm);
4887 else if (hwcaps->i & v9v_hwcaps_mask)
4888 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4889 bfd_mach_sparc_v8plusv);
4890 else if (hwcaps->i & v9e_hwcaps_mask)
4891 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4892 bfd_mach_sparc_v8pluse);
4893 else if (hwcaps->i & v9d_hwcaps_mask)
4894 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4895 bfd_mach_sparc_v8plusd);
4896 else if (hwcaps->i & v9c_hwcaps_mask)
4897 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4898 bfd_mach_sparc_v8plusc);
4899 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4900 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4901 bfd_mach_sparc_v8plusb);
4902 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4903 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4904 bfd_mach_sparc_v8plusa);
4905 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4906 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4907 bfd_mach_sparc_v8plus);
4911 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4912 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4913 bfd_mach_sparc_sparclite_le);
4915 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4919 /* Return address for Ith PLT stub in section PLT, for relocation REL
4920 or (bfd_vma) -1 if it should not be included. */
4923 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4925 if (ABI_64_P (plt->owner))
4929 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4930 if (i < PLT64_LARGE_THRESHOLD)
4931 return plt->vma + i * PLT64_ENTRY_SIZE;
4933 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4935 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4938 return rel->address;
4941 /* Merge backend specific data from an object file to the output
4942 object file when linking. */
4945 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
4947 bfd *obfd = info->output_bfd;
4948 obj_attribute *in_attr, *in_attrs;
4949 obj_attribute *out_attr, *out_attrs;
4951 if (!elf_known_obj_attributes_proc (obfd)[0].i)
4953 /* This is the first object. Copy the attributes. */
4954 _bfd_elf_copy_obj_attributes (ibfd, obfd);
4956 /* Use the Tag_null value to indicate the attributes have been
4958 elf_known_obj_attributes_proc (obfd)[0].i = 1;
4963 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
4964 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
4966 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
4967 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
4969 out_attr->i |= in_attr->i;
4972 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
4973 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
4975 out_attr->i |= in_attr->i;
4978 /* Merge Tag_compatibility attributes and any common GNU ones. */
4979 _bfd_elf_merge_object_attributes (ibfd, info);