1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2018 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
55 void * data, asection *input_section, bfd *output_bfd,
56 bfd_vma *prelocation, bfd_vma *pinsn)
59 reloc_howto_type *howto = reloc_entry->howto;
61 if (output_bfd != (bfd *) NULL
62 && (symbol->flags & BSF_SECTION_SYM) == 0
63 && (! howto->partial_inplace
64 || reloc_entry->addend == 0))
66 reloc_entry->address += input_section->output_offset;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd != NULL)
72 return bfd_reloc_continue;
74 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
75 return bfd_reloc_outofrange;
77 relocation = (symbol->value
78 + symbol->section->output_section->vma
79 + symbol->section->output_offset);
80 relocation += reloc_entry->addend;
81 if (howto->pc_relative)
83 relocation -= (input_section->output_section->vma
84 + input_section->output_offset);
85 relocation -= reloc_entry->address;
88 *prelocation = relocation;
89 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
90 return bfd_reloc_other;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
97 arelent *reloc_entry ATTRIBUTE_UNUSED,
98 asymbol *symbol ATTRIBUTE_UNUSED,
99 void * data ATTRIBUTE_UNUSED,
100 asection *input_section ATTRIBUTE_UNUSED,
101 bfd *output_bfd ATTRIBUTE_UNUSED,
102 char **error_message ATTRIBUTE_UNUSED)
104 return bfd_reloc_notsupported;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
111 void * data, asection *input_section, bfd *output_bfd,
112 char **error_message ATTRIBUTE_UNUSED)
116 bfd_reloc_status_type status;
118 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
119 input_section, output_bfd, &relocation, &insn);
120 if (status != bfd_reloc_other)
123 insn &= ~ (bfd_vma) 0x303fff;
124 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
125 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
127 if ((bfd_signed_vma) relocation < - 0x40000
128 || (bfd_signed_vma) relocation > 0x3ffff)
129 return bfd_reloc_overflow;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
138 void * data, asection *input_section, bfd *output_bfd,
139 char **error_message ATTRIBUTE_UNUSED)
143 bfd_reloc_status_type status;
145 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
146 input_section, output_bfd, &relocation, &insn);
147 if (status != bfd_reloc_other)
150 insn &= ~ (bfd_vma) 0x181fe0;
151 insn |= (((relocation >> 2) & 0x300) << 11)
152 | (((relocation >> 2) & 0xff) << 5);
153 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
155 if ((bfd_signed_vma) relocation < - 0x1000
156 || (bfd_signed_vma) relocation > 0xfff)
157 return bfd_reloc_overflow;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
166 void * data, asection *input_section, bfd *output_bfd,
167 char **error_message ATTRIBUTE_UNUSED)
171 bfd_reloc_status_type status;
173 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
174 input_section, output_bfd, &relocation, &insn);
175 if (status != bfd_reloc_other)
178 relocation ^= MINUS_ONE;
179 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
180 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
182 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
183 return bfd_reloc_overflow;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
192 void * data, asection *input_section, bfd *output_bfd,
193 char **error_message ATTRIBUTE_UNUSED)
197 bfd_reloc_status_type status;
199 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
200 input_section, output_bfd, &relocation, &insn);
201 if (status != bfd_reloc_other)
204 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
205 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
210 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
212 HOWTO(R_SPARC_NONE, 0,3, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
213 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
214 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
215 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
216 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
217 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
218 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
219 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
220 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
221 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
222 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
223 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
224 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
225 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
226 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
227 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
228 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
229 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
230 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
231 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
232 HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
233 HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
234 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
235 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
236 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
237 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
238 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
239 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
240 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
241 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
242 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
243 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
244 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
245 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
246 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
247 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
248 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
249 HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE),
250 HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE),
251 HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE),
252 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
253 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
254 HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE),
255 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
256 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
257 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
258 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
259 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
260 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
261 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
262 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
263 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
264 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
265 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
266 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
267 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
268 HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
269 HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
270 HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
271 HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
272 HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
273 HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
274 HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
275 HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
276 HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
277 HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
278 HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
279 HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
280 HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
281 HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
282 HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
283 HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
284 HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
285 HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
286 HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
287 HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
288 HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
289 HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
290 HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
291 HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE),
292 HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
293 HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
296 HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
297 HOWTO(R_SPARC_H34,12,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,"R_SPARC_H34",FALSE,0,0x003fffff,FALSE),
298 HOWTO(R_SPARC_SIZE32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE32",FALSE,0,0xffffffff,TRUE),
299 HOWTO(R_SPARC_SIZE64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE64",FALSE,0,MINUS_ONE, TRUE),
300 HOWTO(R_SPARC_WDISP10,2,2,10,TRUE, 0,complain_overflow_signed,sparc_elf_wdisp10_reloc,"R_SPARC_WDISP10",FALSE,0,0x00000000,TRUE),
302 static reloc_howto_type sparc_jmp_irel_howto =
303 HOWTO(R_SPARC_JMP_IREL, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
304 static reloc_howto_type sparc_irelative_howto =
305 HOWTO(R_SPARC_IRELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
306 static reloc_howto_type sparc_vtinherit_howto =
307 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
308 static reloc_howto_type sparc_vtentry_howto =
309 HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE);
310 static reloc_howto_type sparc_rev32_howto =
311 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
314 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd 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 /* Is an undefined weak symbol resolved to 0 ?
667 Reference to an undefined weak symbol is resolved to 0 when
668 building an executable if it isn't dynamic and
669 1. Has non-GOT/non-PLT relocations in text section.
671 2. Has no GOT/PLT relocation. */
672 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
673 ((EH)->elf.root.type == bfd_link_hash_undefweak \
674 && bfd_link_executable (INFO) \
675 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
676 || !(EH)->has_got_reloc \
677 || (EH)->has_non_got_reloc \
678 || !(INFO)->dynamic_undefined_weak))
680 /* SPARC ELF linker hash entry. */
682 struct _bfd_sparc_elf_link_hash_entry
684 struct elf_link_hash_entry elf;
686 /* Track dynamic relocs copied for this symbol. */
687 struct elf_dyn_relocs *dyn_relocs;
689 #define GOT_UNKNOWN 0
693 unsigned char tls_type;
695 /* Symbol has GOT or PLT relocations. */
696 unsigned int has_got_reloc : 1;
698 /* Symbol has non-GOT/non-PLT relocations in text sections. */
699 unsigned int has_non_got_reloc : 1;
703 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
705 struct _bfd_sparc_elf_obj_tdata
707 struct elf_obj_tdata root;
709 /* tls_type for each local got entry. */
710 char *local_got_tls_type;
712 /* TRUE if TLS GD relocs has been seen for this object. */
713 bfd_boolean has_tlsgd;
716 #define _bfd_sparc_elf_tdata(abfd) \
717 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
719 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
720 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
722 #define is_sparc_elf(bfd) \
723 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
724 && elf_tdata (bfd) != NULL \
725 && elf_object_id (bfd) == SPARC_ELF_DATA)
728 _bfd_sparc_elf_mkobject (bfd *abfd)
730 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
735 sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
737 bfd_put_32 (abfd, val, ptr);
741 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
743 bfd_put_64 (abfd, val, ptr);
747 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
749 const struct elf_backend_data *bed;
752 bed = get_elf_backend_data (abfd);
753 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
754 bed->s->swap_reloca_out (abfd, rel, loc);
758 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
759 bfd_vma rel_index ATTRIBUTE_UNUSED,
760 bfd_vma type ATTRIBUTE_UNUSED)
762 return ELF64_R_INFO (rel_index,
764 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
769 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
770 bfd_vma rel_index, bfd_vma type)
772 return ELF32_R_INFO (rel_index, type);
776 sparc_elf_r_symndx_64 (bfd_vma r_info)
778 bfd_vma r_symndx = ELF32_R_SYM (r_info);
779 return (r_symndx >> 24);
783 sparc_elf_r_symndx_32 (bfd_vma r_info)
785 return ELF32_R_SYM (r_info);
790 #define PLT32_ENTRY_SIZE 12
791 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
793 /* The first four entries in a 32-bit procedure linkage table are reserved,
794 and the initial contents are unimportant (we zero them out).
795 Subsequent entries look like this. See the SVR4 ABI SPARC
796 supplement to see how this works. */
798 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
799 #define PLT32_ENTRY_WORD0 0x03000000
800 /* b,a .plt0. We fill in the offset later. */
801 #define PLT32_ENTRY_WORD1 0x30800000
803 #define PLT32_ENTRY_WORD2 SPARC_NOP
806 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
807 bfd_vma max ATTRIBUTE_UNUSED,
810 bfd_put_32 (output_bfd,
811 PLT32_ENTRY_WORD0 + offset,
812 splt->contents + offset);
813 bfd_put_32 (output_bfd,
815 + (((- (offset + 4)) >> 2) & 0x3fffff)),
816 splt->contents + offset + 4);
817 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
818 splt->contents + offset + 8);
822 return offset / PLT32_ENTRY_SIZE - 4;
825 /* Both the headers and the entries are icache aligned. */
826 #define PLT64_ENTRY_SIZE 32
827 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
828 #define PLT64_LARGE_THRESHOLD 32768
831 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
832 bfd_vma max, bfd_vma *r_offset)
834 unsigned char *entry = splt->contents + offset;
835 const unsigned int nop = SPARC_NOP;
838 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
840 unsigned int sethi, ba;
844 plt_index = (offset / PLT64_ENTRY_SIZE);
846 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
848 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
850 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
851 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
852 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
853 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
854 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
855 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
856 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
857 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
863 int block, last_block, ofs, last_ofs, chunks_this_block;
864 const int insn_chunk_size = (6 * 4);
865 const int ptr_chunk_size = (1 * 8);
866 const int entries_per_block = 160;
867 const int block_size = entries_per_block * (insn_chunk_size
870 /* Entries 32768 and higher are grouped into blocks of 160.
871 The blocks are further subdivided into 160 sequences of
872 6 instructions and 160 pointers. If a block does not require
873 the full 160 entries, let's say it requires N, then there
874 will be N sequences of 6 instructions and N pointers. */
876 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
877 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
879 block = offset / block_size;
880 last_block = max / block_size;
881 if (block != last_block)
883 chunks_this_block = 160;
887 last_ofs = max % block_size;
888 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
891 ofs = offset % block_size;
893 plt_index = (PLT64_LARGE_THRESHOLD +
895 (ofs / insn_chunk_size));
898 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
899 + (block * block_size)
900 + (chunks_this_block * insn_chunk_size)
901 + (ofs / insn_chunk_size) * ptr_chunk_size;
903 *r_offset = (bfd_vma) (ptr - splt->contents);
905 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
913 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
914 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
915 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
916 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
917 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
918 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
920 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
923 return plt_index - 4;
926 /* The format of the first PLT entry in a VxWorks executable. */
927 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
929 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
930 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
931 0xc4008000, /* ld [ %g2 ], %g2 */
932 0x81c08000, /* jmp %g2 */
936 /* The format of subsequent PLT entries. */
937 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
939 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
940 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
941 0xc2004000, /* ld [ %g1 ], %g1 */
942 0x81c04000, /* jmp %g1 */
943 0x01000000, /* nop */
944 0x03000000, /* sethi %hi(f@pltindex), %g1 */
945 0x10800000, /* b _PLT_resolve */
946 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
949 /* The format of the first PLT entry in a VxWorks shared object. */
950 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
952 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
953 0x81c08000, /* jmp %g2 */
957 /* The format of subsequent PLT entries. */
958 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
960 0x03000000, /* sethi %hi(f@got), %g1 */
961 0x82106000, /* or %g1, %lo(f@got), %g1 */
962 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
963 0x81c04000, /* jmp %g1 */
964 0x01000000, /* nop */
965 0x03000000, /* sethi %hi(f@pltindex), %g1 */
966 0x10800000, /* b _PLT_resolve */
967 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
970 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
971 htab->put_word(bfd, val, ptr)
973 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
974 htab->r_info(in_rel, index, type)
976 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
977 htab->r_symndx(r_info)
979 #define SPARC_ELF_WORD_BYTES(htab) \
982 #define SPARC_ELF_RELA_BYTES(htab) \
985 #define SPARC_ELF_DTPOFF_RELOC(htab) \
988 #define SPARC_ELF_DTPMOD_RELOC(htab) \
991 #define SPARC_ELF_TPOFF_RELOC(htab) \
994 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
995 htab->build_plt_entry (obfd, splt, off, max, r_off)
997 /* Create an entry in an SPARC ELF linker hash table. */
999 static struct bfd_hash_entry *
1000 link_hash_newfunc (struct bfd_hash_entry *entry,
1001 struct bfd_hash_table *table, const char *string)
1003 /* Allocate the structure if it has not already been allocated by a
1007 entry = bfd_hash_allocate (table,
1008 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1013 /* Call the allocation method of the superclass. */
1014 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1017 struct _bfd_sparc_elf_link_hash_entry *eh;
1019 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1020 eh->dyn_relocs = NULL;
1021 eh->tls_type = GOT_UNKNOWN;
1022 eh->has_got_reloc = 0;
1023 eh->has_non_got_reloc = 0;
1029 /* The name of the dynamic interpreter. This is put in the .interp
1032 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1033 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1035 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1036 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1037 as global symbol. We reuse indx and dynstr_index for local symbol
1038 hash since they aren't used by global symbols in this backend. */
1041 elf_sparc_local_htab_hash (const void *ptr)
1043 struct elf_link_hash_entry *h
1044 = (struct elf_link_hash_entry *) ptr;
1045 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1048 /* Compare local hash entries. */
1051 elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1053 struct elf_link_hash_entry *h1
1054 = (struct elf_link_hash_entry *) ptr1;
1055 struct elf_link_hash_entry *h2
1056 = (struct elf_link_hash_entry *) ptr2;
1058 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1061 /* Find and/or create a hash entry for local symbol. */
1063 static struct elf_link_hash_entry *
1064 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1065 bfd *abfd, const Elf_Internal_Rela *rel,
1068 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1069 asection *sec = abfd->sections;
1070 unsigned long r_symndx;
1074 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1075 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1077 e.elf.indx = sec->id;
1078 e.elf.dynstr_index = r_symndx;
1079 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1080 create ? INSERT : NO_INSERT);
1087 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1091 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1092 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1093 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1096 memset (ret, 0, sizeof (*ret));
1097 ret->elf.indx = sec->id;
1098 ret->elf.dynstr_index = r_symndx;
1099 ret->elf.dynindx = -1;
1100 ret->elf.plt.offset = (bfd_vma) -1;
1101 ret->elf.got.offset = (bfd_vma) -1;
1107 /* Destroy a SPARC ELF linker hash table. */
1110 _bfd_sparc_elf_link_hash_table_free (bfd *obfd)
1112 struct _bfd_sparc_elf_link_hash_table *htab
1113 = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
1115 if (htab->loc_hash_table)
1116 htab_delete (htab->loc_hash_table);
1117 if (htab->loc_hash_memory)
1118 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1119 _bfd_elf_link_hash_table_free (obfd);
1122 /* Create a SPARC ELF linker hash table. */
1124 struct bfd_link_hash_table *
1125 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1127 struct _bfd_sparc_elf_link_hash_table *ret;
1128 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1130 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1134 if (ABI_64_P (abfd))
1136 ret->put_word = sparc_put_word_64;
1137 ret->r_info = sparc_elf_r_info_64;
1138 ret->r_symndx = sparc_elf_r_symndx_64;
1139 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1140 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1141 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1142 ret->word_align_power = 3;
1143 ret->align_power_max = 4;
1144 ret->bytes_per_word = 8;
1145 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1146 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1147 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1149 ret->build_plt_entry = sparc64_plt_entry_build;
1150 ret->plt_header_size = PLT64_HEADER_SIZE;
1151 ret->plt_entry_size = PLT64_ENTRY_SIZE;
1155 ret->put_word = sparc_put_word_32;
1156 ret->r_info = sparc_elf_r_info_32;
1157 ret->r_symndx = sparc_elf_r_symndx_32;
1158 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1159 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1160 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1161 ret->word_align_power = 2;
1162 ret->align_power_max = 3;
1163 ret->bytes_per_word = 4;
1164 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1165 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1166 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1168 ret->build_plt_entry = sparc32_plt_entry_build;
1169 ret->plt_header_size = PLT32_HEADER_SIZE;
1170 ret->plt_entry_size = PLT32_ENTRY_SIZE;
1173 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1174 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1181 ret->loc_hash_table = htab_try_create (1024,
1182 elf_sparc_local_htab_hash,
1183 elf_sparc_local_htab_eq,
1185 ret->loc_hash_memory = objalloc_create ();
1186 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1188 _bfd_sparc_elf_link_hash_table_free (abfd);
1191 ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
1193 return &ret->elf.root;
1196 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1197 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1201 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1202 struct bfd_link_info *info)
1204 struct _bfd_sparc_elf_link_hash_table *htab;
1206 htab = _bfd_sparc_elf_hash_table (info);
1207 BFD_ASSERT (htab != NULL);
1209 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1212 if (htab->is_vxworks)
1214 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1216 if (bfd_link_pic (info))
1218 htab->plt_header_size
1219 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1220 htab->plt_entry_size
1221 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1225 htab->plt_header_size
1226 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1227 htab->plt_entry_size
1228 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1232 if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
1233 || (!bfd_link_pic (info) && !htab->elf.srelbss))
1240 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1242 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1243 struct elf_link_hash_table *htab = elf_hash_table (info);
1244 flagword flags, pltflags;
1247 if (htab->irelifunc != NULL || htab->iplt != NULL)
1250 flags = bed->dynamic_sec_flags;
1251 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1253 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1255 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1259 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1260 flags | SEC_READONLY);
1262 || ! bfd_set_section_alignment (abfd, s,
1263 bed->s->log_file_align))
1270 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1273 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1274 struct elf_link_hash_entry *dir,
1275 struct elf_link_hash_entry *ind)
1277 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1279 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1280 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1282 if (eind->dyn_relocs != NULL)
1284 if (edir->dyn_relocs != NULL)
1286 struct elf_dyn_relocs **pp;
1287 struct elf_dyn_relocs *p;
1289 /* Add reloc counts against the indirect sym to the direct sym
1290 list. Merge any entries against the same section. */
1291 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1293 struct elf_dyn_relocs *q;
1295 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1296 if (q->sec == p->sec)
1298 q->pc_count += p->pc_count;
1299 q->count += p->count;
1306 *pp = edir->dyn_relocs;
1309 edir->dyn_relocs = eind->dyn_relocs;
1310 eind->dyn_relocs = NULL;
1313 if (ind->root.type == bfd_link_hash_indirect
1314 && dir->got.refcount <= 0)
1316 edir->tls_type = eind->tls_type;
1317 eind->tls_type = GOT_UNKNOWN;
1320 /* Copy has_got_reloc and has_non_got_reloc. */
1321 edir->has_got_reloc |= eind->has_got_reloc;
1322 edir->has_non_got_reloc |= eind->has_non_got_reloc;
1324 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1328 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1329 int r_type, int is_local)
1331 if (! ABI_64_P (abfd)
1332 && r_type == R_SPARC_TLS_GD_HI22
1333 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1334 return R_SPARC_REV32;
1336 if (!bfd_link_executable (info))
1341 case R_SPARC_TLS_GD_HI22:
1342 return is_local ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_IE_HI22;
1343 case R_SPARC_TLS_GD_LO10:
1344 return is_local ? R_SPARC_TLS_LE_LOX10 : R_SPARC_TLS_IE_LO10;
1345 case R_SPARC_TLS_LDM_HI22:
1346 return R_SPARC_TLS_LE_HIX22;
1347 case R_SPARC_TLS_LDM_LO10:
1348 return R_SPARC_TLS_LE_LOX10;
1349 case R_SPARC_TLS_IE_HI22:
1350 return is_local ? R_SPARC_TLS_LE_HIX22 : r_type;
1351 case R_SPARC_TLS_IE_LO10:
1352 return is_local ? R_SPARC_TLS_LE_LOX10 : r_type;
1358 /* Look through the relocs for a section during the first phase, and
1359 allocate space in the global offset table or procedure linkage
1363 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1364 asection *sec, const Elf_Internal_Rela *relocs)
1366 struct _bfd_sparc_elf_link_hash_table *htab;
1367 Elf_Internal_Shdr *symtab_hdr;
1368 struct elf_link_hash_entry **sym_hashes;
1369 const Elf_Internal_Rela *rel;
1370 const Elf_Internal_Rela *rel_end;
1373 bfd_boolean checked_tlsgd = FALSE;
1375 if (bfd_link_relocatable (info))
1378 htab = _bfd_sparc_elf_hash_table (info);
1379 BFD_ASSERT (htab != NULL);
1380 symtab_hdr = &elf_symtab_hdr (abfd);
1381 sym_hashes = elf_sym_hashes (abfd);
1385 if (ABI_64_P (abfd))
1386 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1388 num_relocs = sec->reloc_count;
1390 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1392 if (htab->elf.dynobj == NULL)
1393 htab->elf.dynobj = abfd;
1394 if (!create_ifunc_sections (htab->elf.dynobj, info))
1397 rel_end = relocs + num_relocs;
1398 for (rel = relocs; rel < rel_end; rel++)
1400 unsigned int r_type;
1401 unsigned int r_symndx;
1402 struct elf_link_hash_entry *h;
1403 struct _bfd_sparc_elf_link_hash_entry *eh;
1404 Elf_Internal_Sym *isym;
1406 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1407 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1409 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1411 /* xgettext:c-format */
1412 _bfd_error_handler (_("%B: bad symbol index: %d"), abfd, r_symndx);
1417 if (r_symndx < symtab_hdr->sh_info)
1419 /* A local symbol. */
1420 isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd, r_symndx);
1424 /* Check relocation against local STT_GNU_IFUNC symbol. */
1425 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1427 h = elf_sparc_get_local_sym_hash (htab, abfd, rel, TRUE);
1431 /* Fake a STT_GNU_IFUNC symbol. */
1432 h->type = STT_GNU_IFUNC;
1435 h->forced_local = 1;
1436 h->root.type = bfd_link_hash_defined;
1443 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1444 while (h->root.type == bfd_link_hash_indirect
1445 || h->root.type == bfd_link_hash_warning)
1446 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1449 if (h && h->type == STT_GNU_IFUNC && h->def_regular)
1452 h->plt.refcount += 1;
1455 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1456 with R_SPARC_TLS_GD_HI22. */
1457 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1460 case R_SPARC_TLS_GD_HI22:
1462 const Elf_Internal_Rela *relt;
1464 for (relt = rel + 1; relt < rel_end; relt++)
1465 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1466 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1467 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1469 checked_tlsgd = TRUE;
1470 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1473 case R_SPARC_TLS_GD_LO10:
1474 case R_SPARC_TLS_GD_ADD:
1475 case R_SPARC_TLS_GD_CALL:
1476 checked_tlsgd = TRUE;
1477 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1481 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1482 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1486 case R_SPARC_TLS_LDM_HI22:
1487 case R_SPARC_TLS_LDM_LO10:
1488 htab->tls_ldm_got.refcount += 1;
1490 eh->has_got_reloc = 1;
1493 case R_SPARC_TLS_LE_HIX22:
1494 case R_SPARC_TLS_LE_LOX10:
1495 if (!bfd_link_executable (info))
1499 case R_SPARC_TLS_IE_HI22:
1500 case R_SPARC_TLS_IE_LO10:
1501 if (!bfd_link_executable (info))
1502 info->flags |= DF_STATIC_TLS;
1508 case R_SPARC_GOTDATA_HIX22:
1509 case R_SPARC_GOTDATA_LOX10:
1510 case R_SPARC_GOTDATA_OP_HIX22:
1511 case R_SPARC_GOTDATA_OP_LOX10:
1512 case R_SPARC_TLS_GD_HI22:
1513 case R_SPARC_TLS_GD_LO10:
1514 /* This symbol requires a global offset table entry. */
1516 int tls_type, old_tls_type;
1520 case R_SPARC_TLS_GD_HI22:
1521 case R_SPARC_TLS_GD_LO10:
1522 tls_type = GOT_TLS_GD;
1524 case R_SPARC_TLS_IE_HI22:
1525 case R_SPARC_TLS_IE_LO10:
1526 tls_type = GOT_TLS_IE;
1529 tls_type = GOT_NORMAL;
1535 h->got.refcount += 1;
1536 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1540 bfd_signed_vma *local_got_refcounts;
1542 /* This is a global offset table entry for a local symbol. */
1543 local_got_refcounts = elf_local_got_refcounts (abfd);
1544 if (local_got_refcounts == NULL)
1548 size = symtab_hdr->sh_info;
1549 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1550 local_got_refcounts = ((bfd_signed_vma *)
1551 bfd_zalloc (abfd, size));
1552 if (local_got_refcounts == NULL)
1554 elf_local_got_refcounts (abfd) = local_got_refcounts;
1555 _bfd_sparc_elf_local_got_tls_type (abfd)
1556 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1559 if (r_type != R_SPARC_GOTDATA_OP_HIX22
1560 && r_type != R_SPARC_GOTDATA_OP_LOX10)
1561 local_got_refcounts[r_symndx] += 1;
1563 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1566 /* If a TLS symbol is accessed using IE at least once, there is no point
1567 in using the dynamic model for it. */
1568 if (old_tls_type != tls_type)
1570 if (old_tls_type == GOT_UNKNOWN)
1572 else if (old_tls_type == GOT_TLS_GD && tls_type == GOT_TLS_IE)
1574 else if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1575 tls_type = old_tls_type;
1579 /* xgettext:c-format */
1580 (_("%B: `%s' accessed both as normal and thread local symbol"),
1581 abfd, h ? h->root.root.string : "<local>");
1586 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1588 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1593 && !_bfd_elf_create_got_section (htab->elf.dynobj, info))
1597 eh->has_got_reloc = 1;
1600 case R_SPARC_TLS_GD_CALL:
1601 case R_SPARC_TLS_LDM_CALL:
1602 if (bfd_link_executable (info))
1605 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1606 h = (struct elf_link_hash_entry *)
1607 bfd_link_hash_lookup (info->hash, "__tls_get_addr", TRUE,
1611 case R_SPARC_WPLT30:
1614 case R_SPARC_HIPLT22:
1615 case R_SPARC_LOPLT10:
1616 case R_SPARC_PCPLT32:
1617 case R_SPARC_PCPLT22:
1618 case R_SPARC_PCPLT10:
1619 /* This symbol requires a procedure linkage table entry.
1620 We actually build the entry in adjust_dynamic_symbol,
1621 because this might be a case of linking PIC code without
1622 linking in any dynamic objects, in which case we don't
1623 need to generate a procedure linkage table after all. */
1627 if (! ABI_64_P (abfd))
1629 /* The Solaris native assembler will generate a WPLT30
1630 reloc for a local symbol if you assemble a call from
1631 one section to another when using -K pic. We treat
1633 if (r_type == R_SPARC_PLT32)
1637 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1638 else if (r_type == R_SPARC_WPLT30)
1641 /* It does not make sense to have a procedure linkage
1642 table entry for a local symbol. */
1643 bfd_set_error (bfd_error_bad_value);
1649 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
1652 h->plt.refcount += 1;
1654 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1655 eh->has_got_reloc = 1;
1660 case R_SPARC_PC_HH22:
1661 case R_SPARC_PC_HM10:
1662 case R_SPARC_PC_LM22:
1667 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1672 case R_SPARC_DISP16:
1673 case R_SPARC_DISP32:
1674 case R_SPARC_DISP64:
1675 case R_SPARC_WDISP30:
1676 case R_SPARC_WDISP22:
1677 case R_SPARC_WDISP19:
1678 case R_SPARC_WDISP16:
1679 case R_SPARC_WDISP10:
1709 if (eh != NULL && (sec->flags & SEC_CODE) != 0)
1710 eh->has_non_got_reloc = 1;
1713 if (h != NULL && !bfd_link_pic (info))
1715 /* We may need a .plt entry if the function this reloc
1716 refers to is in a shared lib. */
1717 h->plt.refcount += 1;
1720 /* If we are creating a shared library, and this is a reloc
1721 against a global symbol, or a non PC relative reloc
1722 against a local symbol, then we need to copy the reloc
1723 into the shared library. However, if we are linking with
1724 -Bsymbolic, we do not need to copy a reloc against a
1725 global symbol which is defined in an object we are
1726 including in the link (i.e., DEF_REGULAR is set). At
1727 this point we have not seen all the input files, so it is
1728 possible that DEF_REGULAR is not set now but will be set
1729 later (it is never cleared). In case of a weak definition,
1730 DEF_REGULAR may be cleared later by a strong definition in
1731 a shared library. We account for that possibility below by
1732 storing information in the relocs_copied field of the hash
1733 table entry. A similar situation occurs when creating
1734 shared libraries and symbol visibility changes render the
1737 If on the other hand, we are creating an executable, we
1738 may need to keep relocations for symbols satisfied by a
1739 dynamic library if we manage to avoid copy relocs for the
1741 if ((bfd_link_pic (info)
1742 && (sec->flags & SEC_ALLOC) != 0
1743 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1745 && (! SYMBOLIC_BIND (info, h)
1746 || h->root.type == bfd_link_hash_defweak
1747 || !h->def_regular))))
1748 || (!bfd_link_pic (info)
1749 && (sec->flags & SEC_ALLOC) != 0
1751 && (h->root.type == bfd_link_hash_defweak
1752 || !h->def_regular))
1753 || (!bfd_link_pic (info)
1755 && h->type == STT_GNU_IFUNC))
1757 struct elf_dyn_relocs *p;
1758 struct elf_dyn_relocs **head;
1760 /* When creating a shared object, we must copy these
1761 relocs into the output file. We create a reloc
1762 section in dynobj and make room for the reloc. */
1765 sreloc = _bfd_elf_make_dynamic_reloc_section
1766 (sec, htab->elf.dynobj, htab->word_align_power,
1767 abfd, /*rela?*/ TRUE);
1773 /* If this is a global symbol, we count the number of
1774 relocations we need for this symbol. */
1776 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1779 /* Track dynamic relocs needed for local syms too.
1780 We really need local syms available to do this
1785 BFD_ASSERT (isym != NULL);
1786 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1790 vpp = &elf_section_data (s)->local_dynrel;
1791 head = (struct elf_dyn_relocs **) vpp;
1795 if (p == NULL || p->sec != sec)
1797 bfd_size_type amt = sizeof *p;
1798 p = ((struct elf_dyn_relocs *)
1799 bfd_alloc (htab->elf.dynobj, amt));
1810 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1816 case R_SPARC_GNU_VTINHERIT:
1817 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1821 case R_SPARC_GNU_VTENTRY:
1822 BFD_ASSERT (h != NULL);
1824 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1828 case R_SPARC_REGISTER:
1829 /* Nothing to do. */
1841 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1842 struct bfd_link_info *info,
1843 Elf_Internal_Rela *rel,
1844 struct elf_link_hash_entry *h,
1845 Elf_Internal_Sym *sym)
1848 switch (SPARC_ELF_R_TYPE (rel->r_info))
1850 case R_SPARC_GNU_VTINHERIT:
1851 case R_SPARC_GNU_VTENTRY:
1855 if (!bfd_link_executable (info))
1857 switch (SPARC_ELF_R_TYPE (rel->r_info))
1859 case R_SPARC_TLS_GD_CALL:
1860 case R_SPARC_TLS_LDM_CALL:
1861 /* This reloc implicitly references __tls_get_addr. We know
1862 another reloc will reference the same symbol as the one
1863 on this reloc, so the real symbol and section will be
1864 gc marked when processing the other reloc. That lets
1865 us handle __tls_get_addr here. */
1866 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1867 FALSE, FALSE, TRUE);
1868 BFD_ASSERT (h != NULL);
1870 if (h->is_weakalias)
1871 weakdef (h)->mark = 1;
1876 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1879 static Elf_Internal_Rela *
1880 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1881 Elf_Internal_Rela *relend,
1884 while (rel < relend)
1886 if (rel->r_offset == offset)
1893 /* Remove undefined weak symbol from the dynamic symbol table if it
1894 is resolved to 0. */
1897 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
1898 struct elf_link_hash_entry *h)
1900 if (h->dynindx != -1
1901 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
1902 _bfd_sparc_elf_hash_entry (h)))
1905 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
1911 /* Find dynamic relocs for H that apply to read-only sections. */
1914 readonly_dynrelocs (struct elf_link_hash_entry *h)
1916 struct elf_dyn_relocs *p;
1918 for (p = _bfd_sparc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
1920 asection *s = p->sec->output_section;
1922 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1928 /* Adjust a symbol defined by a dynamic object and referenced by a
1929 regular object. The current definition is in some section of the
1930 dynamic object, but we're not including those sections. We have to
1931 change the definition to something the rest of the link can
1935 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1936 struct elf_link_hash_entry *h)
1938 struct _bfd_sparc_elf_link_hash_table *htab;
1941 htab = _bfd_sparc_elf_hash_table (info);
1942 BFD_ASSERT (htab != NULL);
1944 /* Make sure we know what is going on here. */
1945 BFD_ASSERT (htab->elf.dynobj != NULL
1947 || h->type == STT_GNU_IFUNC
1951 && !h->def_regular)));
1953 /* If this is a function, put it in the procedure linkage table. We
1954 will fill in the contents of the procedure linkage table later
1955 (although we could actually do it here). The STT_NOTYPE
1956 condition is a hack specifically for the Oracle libraries
1957 delivered for Solaris; for some inexplicable reason, they define
1958 some of their functions as STT_NOTYPE when they really should be
1960 if (h->type == STT_FUNC
1961 || h->type == STT_GNU_IFUNC
1963 || (h->type == STT_NOTYPE
1964 && (h->root.type == bfd_link_hash_defined
1965 || h->root.type == bfd_link_hash_defweak)
1966 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1968 if (h->plt.refcount <= 0
1969 || (h->type != STT_GNU_IFUNC
1970 && (SYMBOL_CALLS_LOCAL (info, h)
1971 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
1972 && h->root.type == bfd_link_hash_undefweak))))
1974 /* This case can occur if we saw a WPLT30 reloc in an input
1975 file, but the symbol was never referred to by a dynamic
1976 object, or if all references were garbage collected. In
1977 such a case, we don't actually need to build a procedure
1978 linkage table, and we can just do a WDISP30 reloc instead. */
1979 h->plt.offset = (bfd_vma) -1;
1986 h->plt.offset = (bfd_vma) -1;
1988 /* If this is a weak symbol, and there is a real definition, the
1989 processor independent code will have arranged for us to see the
1990 real definition first, and we can just use the same value. */
1991 if (h->is_weakalias)
1993 struct elf_link_hash_entry *def = weakdef (h);
1994 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
1995 h->root.u.def.section = def->root.u.def.section;
1996 h->root.u.def.value = def->root.u.def.value;
2000 /* This is a reference to a symbol defined by a dynamic object which
2001 is not a function. */
2003 /* If we are creating a shared library, we must presume that the
2004 only references to the symbol are via the global offset table.
2005 For such cases we need not do anything here; the relocations will
2006 be handled correctly by relocate_section. */
2007 if (bfd_link_pic (info))
2010 /* If there are no references to this symbol that do not use the
2011 GOT, we don't need to generate a copy reloc. */
2012 if (!h->non_got_ref)
2015 /* If -z nocopyreloc was given, we won't generate them either. */
2016 if (info->nocopyreloc)
2022 /* If we don't find any dynamic relocs in read-only sections, then
2023 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2024 if (!readonly_dynrelocs (h))
2030 /* We must allocate the symbol in our .dynbss section, which will
2031 become part of the .bss section of the executable. There will be
2032 an entry for this symbol in the .dynsym section. The dynamic
2033 object will contain position independent code, so all references
2034 from the dynamic object to this symbol will go through the global
2035 offset table. The dynamic linker will use the .dynsym entry to
2036 determine the address it must put in the global offset table, so
2037 both the dynamic object and the regular object will refer to the
2038 same memory location for the variable. */
2040 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2041 to copy the initial value out of the dynamic object and into the
2042 runtime process image. We need to remember the offset into the
2043 .rel.bss section we are going to use. */
2044 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2046 s = htab->elf.sdynrelro;
2047 srel = htab->elf.sreldynrelro;
2051 s = htab->elf.sdynbss;
2052 srel = htab->elf.srelbss;
2054 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2056 srel->size += SPARC_ELF_RELA_BYTES (htab);
2060 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2063 /* Allocate space in .plt, .got and associated reloc sections for
2067 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2069 struct bfd_link_info *info;
2070 struct _bfd_sparc_elf_link_hash_table *htab;
2071 struct _bfd_sparc_elf_link_hash_entry *eh;
2072 struct elf_dyn_relocs *p;
2073 bfd_boolean resolved_to_zero;
2075 if (h->root.type == bfd_link_hash_indirect)
2078 info = (struct bfd_link_info *) inf;
2079 htab = _bfd_sparc_elf_hash_table (info);
2080 BFD_ASSERT (htab != NULL);
2082 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2083 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
2085 if ((htab->elf.dynamic_sections_created
2086 && h->plt.refcount > 0)
2087 || (h->type == STT_GNU_IFUNC
2091 /* Make sure this symbol is output as a dynamic symbol.
2092 Undefined weak syms won't yet be marked as dynamic. */
2093 if (h->dynindx == -1
2095 && !resolved_to_zero
2096 && h->root.type == bfd_link_hash_undefweak)
2098 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2102 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2103 || (h->type == STT_GNU_IFUNC
2106 asection *s = htab->elf.splt;
2111 /* Allocate room for the header. */
2114 s->size = htab->plt_header_size;
2116 /* Allocate space for the .rela.plt.unloaded relocations. */
2117 if (htab->is_vxworks && !bfd_link_pic (info))
2118 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2121 /* The procedure linkage table size is bounded by the magnitude
2122 of the offset we can describe in the entry. */
2123 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2124 (((bfd_vma)1 << 31) << 1) : 0x400000))
2126 bfd_set_error (bfd_error_bad_value);
2130 if (SPARC_ELF_WORD_BYTES(htab) == 8
2131 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2133 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2136 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2138 h->plt.offset = (s->size - (off * 8));
2141 h->plt.offset = s->size;
2143 /* If this symbol is not defined in a regular file, and we are
2144 not generating a shared library, then set the symbol to this
2145 location in the .plt. This is required to make function
2146 pointers compare as equal between the normal executable and
2147 the shared library. */
2148 if (! bfd_link_pic (info)
2151 h->root.u.def.section = s;
2152 h->root.u.def.value = h->plt.offset;
2155 /* Make room for this entry. */
2156 s->size += htab->plt_entry_size;
2158 /* There should be no PLT relocations against resolved undefined
2159 weak symbols in the executable. */
2160 if (!resolved_to_zero)
2162 /* We also need to make an entry in the .rela.plt section. */
2163 if (s == htab->elf.splt)
2164 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2166 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2169 if (htab->is_vxworks)
2171 /* Allocate space for the .got.plt entry. */
2172 htab->elf.sgotplt->size += 4;
2174 /* ...and for the .rela.plt.unloaded relocations. */
2175 if (!bfd_link_pic (info))
2176 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2181 h->plt.offset = (bfd_vma) -1;
2187 h->plt.offset = (bfd_vma) -1;
2191 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2192 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2193 if (h->got.refcount > 0
2194 && bfd_link_executable (info)
2196 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2197 h->got.offset = (bfd_vma) -1;
2198 else if (h->got.refcount > 0)
2202 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2204 /* Make sure this symbol is output as a dynamic symbol.
2205 Undefined weak syms won't yet be marked as dynamic. */
2206 if (h->dynindx == -1
2208 && !resolved_to_zero
2209 && h->root.type == bfd_link_hash_undefweak)
2211 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2216 h->got.offset = s->size;
2217 s->size += SPARC_ELF_WORD_BYTES (htab);
2218 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2219 if (tls_type == GOT_TLS_GD)
2220 s->size += SPARC_ELF_WORD_BYTES (htab);
2221 dyn = htab->elf.dynamic_sections_created;
2222 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2223 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2224 global. No dynamic relocations are needed against resolved
2225 undefined weak symbols in an executable. */
2226 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2227 || tls_type == GOT_TLS_IE
2228 || h->type == STT_GNU_IFUNC)
2229 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2230 else if (tls_type == GOT_TLS_GD)
2231 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2232 else if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2233 && !resolved_to_zero)
2234 || h->root.type != bfd_link_hash_undefweak)
2235 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2236 bfd_link_pic (info),
2238 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2241 h->got.offset = (bfd_vma) -1;
2243 if (eh->dyn_relocs == NULL)
2246 /* In the shared -Bsymbolic case, discard space allocated for
2247 dynamic pc-relative relocs against symbols which turn out to be
2248 defined in regular objects. For the normal shared case, discard
2249 space for pc-relative relocs that have become local due to symbol
2250 visibility changes. */
2252 if (bfd_link_pic (info))
2254 if (SYMBOL_CALLS_LOCAL (info, h))
2256 struct elf_dyn_relocs **pp;
2258 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2260 p->count -= p->pc_count;
2269 if (htab->is_vxworks)
2271 struct elf_dyn_relocs **pp;
2273 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2275 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2282 /* Also discard relocs on undefined weak syms with non-default
2283 visibility or in PIE. */
2284 if (eh->dyn_relocs != NULL
2285 && h->root.type == bfd_link_hash_undefweak)
2287 /* An undefined weak symbol is never
2288 bound locally in a shared library. */
2290 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2291 || resolved_to_zero)
2295 /* Keep dynamic non-GOT/non-PLT relocation so that we
2296 can branch to 0 without PLT. */
2297 struct elf_dyn_relocs **pp;
2299 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2300 if (p->pc_count == 0)
2304 /* Remove other relocations. */
2305 p->count = p->pc_count;
2309 if (eh->dyn_relocs != NULL)
2311 /* Make sure undefined weak symbols are output
2312 as dynamic symbols in PIEs for dynamic non-GOT
2313 non-PLT reloations. */
2314 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2319 eh->dyn_relocs = NULL;
2322 /* Make sure undefined weak symbols are output as a dynamic
2324 else if (h->dynindx == -1
2325 && !h->forced_local)
2327 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2334 /* For the non-shared case, discard space for relocs against
2335 symbols which turn out to need copy relocs or are not
2338 if ((!h->non_got_ref
2339 || (h->root.type == bfd_link_hash_undefweak
2340 && !resolved_to_zero))
2343 || (htab->elf.dynamic_sections_created
2344 && (h->root.type == bfd_link_hash_undefweak
2345 || h->root.type == bfd_link_hash_undefined))))
2347 /* Make sure this symbol is output as a dynamic symbol.
2348 Undefined weak syms won't yet be marked as dynamic. */
2349 if (h->dynindx == -1
2351 && !resolved_to_zero
2352 && h->root.type == bfd_link_hash_undefweak)
2354 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2358 /* If that succeeded, we know we'll be keeping all the
2360 if (h->dynindx != -1)
2364 eh->dyn_relocs = NULL;
2369 /* Finally, allocate space. */
2370 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2372 asection *sreloc = elf_section_data (p->sec)->sreloc;
2373 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2379 /* Allocate space in .plt, .got and associated reloc sections for
2380 local dynamic relocs. */
2383 allocate_local_dynrelocs (void **slot, void *inf)
2385 struct elf_link_hash_entry *h
2386 = (struct elf_link_hash_entry *) *slot;
2388 if (h->type != STT_GNU_IFUNC
2392 || h->root.type != bfd_link_hash_defined)
2395 return allocate_dynrelocs (h, inf);
2398 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2399 read-only sections. */
2402 maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2406 if (h->root.type == bfd_link_hash_indirect)
2409 sec = readonly_dynrelocs (h);
2412 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2414 info->flags |= DF_TEXTREL;
2415 info->callbacks->minfo
2416 (_("%B: dynamic relocation against `%T' in read-only section `%A'\n"),
2417 sec->owner, h->root.root.string, sec);
2419 /* Not an error, just cut short the traversal. */
2425 /* Return true if the dynamic symbol for a given section should be
2426 omitted when creating a shared library. */
2429 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2430 struct bfd_link_info *info,
2433 /* We keep the .got section symbol so that explicit relocations
2434 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2435 can be turned into relocations against the .got symbol. */
2436 if (strcmp (p->name, ".got") == 0)
2439 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2442 /* Set the sizes of the dynamic sections. */
2445 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2446 struct bfd_link_info *info)
2448 struct _bfd_sparc_elf_link_hash_table *htab;
2453 htab = _bfd_sparc_elf_hash_table (info);
2454 BFD_ASSERT (htab != NULL);
2455 dynobj = htab->elf.dynobj;
2456 BFD_ASSERT (dynobj != NULL);
2458 if (elf_hash_table (info)->dynamic_sections_created)
2460 /* Set the contents of the .interp section to the interpreter. */
2461 if (bfd_link_executable (info) && !info->nointerp)
2463 s = bfd_get_linker_section (dynobj, ".interp");
2464 BFD_ASSERT (s != NULL);
2465 s->size = htab->dynamic_interpreter_size;
2466 s->contents = (unsigned char *) htab->dynamic_interpreter;
2471 /* Set up .got offsets for local syms, and space for local dynamic
2473 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2475 bfd_signed_vma *local_got;
2476 bfd_signed_vma *end_local_got;
2477 char *local_tls_type;
2478 bfd_size_type locsymcount;
2479 Elf_Internal_Shdr *symtab_hdr;
2482 if (! is_sparc_elf (ibfd))
2485 for (s = ibfd->sections; s != NULL; s = s->next)
2487 struct elf_dyn_relocs *p;
2489 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2491 if (!bfd_is_abs_section (p->sec)
2492 && bfd_is_abs_section (p->sec->output_section))
2494 /* Input section has been discarded, either because
2495 it is a copy of a linkonce section or due to
2496 linker script /DISCARD/, so we'll be discarding
2499 else if (htab->is_vxworks
2500 && strcmp (p->sec->output_section->name,
2503 /* Relocations in vxworks .tls_vars sections are
2504 handled specially by the loader. */
2506 else if (p->count != 0)
2508 srel = elf_section_data (p->sec)->sreloc;
2509 if (!htab->elf.dynamic_sections_created)
2510 srel = htab->elf.irelplt;
2511 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2512 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2514 info->flags |= DF_TEXTREL;
2515 info->callbacks->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
2516 p->sec->owner, p->sec);
2522 local_got = elf_local_got_refcounts (ibfd);
2526 symtab_hdr = &elf_symtab_hdr (ibfd);
2527 locsymcount = symtab_hdr->sh_info;
2528 end_local_got = local_got + locsymcount;
2529 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2531 srel = htab->elf.srelgot;
2532 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2536 *local_got = s->size;
2537 s->size += SPARC_ELF_WORD_BYTES (htab);
2538 if (*local_tls_type == GOT_TLS_GD)
2539 s->size += SPARC_ELF_WORD_BYTES (htab);
2540 if (bfd_link_pic (info)
2541 || *local_tls_type == GOT_TLS_GD
2542 || *local_tls_type == GOT_TLS_IE)
2543 srel->size += SPARC_ELF_RELA_BYTES (htab);
2546 *local_got = (bfd_vma) -1;
2550 if (htab->tls_ldm_got.refcount > 0)
2552 /* Allocate 2 got entries and 1 dynamic reloc for
2553 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2554 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2555 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2556 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2559 htab->tls_ldm_got.offset = -1;
2561 /* Allocate global sym .plt and .got entries, and space for global
2562 sym dynamic relocs. */
2563 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2565 /* Allocate .plt and .got entries, and space for local symbols. */
2566 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2568 if (! ABI_64_P (output_bfd)
2569 && !htab->is_vxworks
2570 && elf_hash_table (info)->dynamic_sections_created)
2572 /* Make space for the trailing nop in .plt. */
2573 if (htab->elf.splt->size > 0)
2574 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2576 /* If the .got section is more than 0x1000 bytes, we add
2577 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2578 bit relocations have a greater chance of working.
2580 FIXME: Make this optimization work for 64-bit too. */
2581 if (htab->elf.sgot->size >= 0x1000
2582 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2583 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2586 /* The check_relocs and adjust_dynamic_symbol entry points have
2587 determined the sizes of the various dynamic sections. Allocate
2589 for (s = dynobj->sections; s != NULL; s = s->next)
2591 if ((s->flags & SEC_LINKER_CREATED) == 0)
2594 if (s == htab->elf.splt
2595 || s == htab->elf.sgot
2596 || s == htab->elf.sdynbss
2597 || s == htab->elf.sdynrelro
2598 || s == htab->elf.iplt
2599 || s == htab->elf.sgotplt)
2601 /* Strip this section if we don't need it; see the
2604 else if (CONST_STRNEQ (s->name, ".rela"))
2608 /* We use the reloc_count field as a counter if we need
2609 to copy relocs into the output file. */
2615 /* It's not one of our sections. */
2621 /* If we don't need this section, strip it from the
2622 output file. This is mostly to handle .rela.bss and
2623 .rela.plt. We must create both sections in
2624 create_dynamic_sections, because they must be created
2625 before the linker maps input sections to output
2626 sections. The linker does that before
2627 adjust_dynamic_symbol is called, and it is that
2628 function which decides whether anything needs to go
2629 into these sections. */
2630 s->flags |= SEC_EXCLUDE;
2634 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2637 /* Allocate memory for the section contents. Zero the memory
2638 for the benefit of .rela.plt, which has 4 unused entries
2639 at the beginning, and we don't want garbage. */
2640 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2641 if (s->contents == NULL)
2645 if (elf_hash_table (info)->dynamic_sections_created)
2647 /* Add some entries to the .dynamic section. We fill in the
2648 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2649 must add the entries now so that we get the correct size for
2650 the .dynamic section. The DT_DEBUG entry is filled in by the
2651 dynamic linker and used by the debugger. */
2652 #define add_dynamic_entry(TAG, VAL) \
2653 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2655 if (bfd_link_executable (info))
2657 if (!add_dynamic_entry (DT_DEBUG, 0))
2661 if (htab->elf.srelplt->size != 0)
2663 if (!add_dynamic_entry (DT_PLTGOT, 0)
2664 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2665 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2666 || !add_dynamic_entry (DT_JMPREL, 0))
2670 if (!add_dynamic_entry (DT_RELA, 0)
2671 || !add_dynamic_entry (DT_RELASZ, 0)
2672 || !add_dynamic_entry (DT_RELAENT,
2673 SPARC_ELF_RELA_BYTES (htab)))
2676 /* If any dynamic relocs apply to a read-only section,
2677 then we need a DT_TEXTREL entry. */
2678 if ((info->flags & DF_TEXTREL) == 0)
2679 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
2681 if (info->flags & DF_TEXTREL)
2683 if (!add_dynamic_entry (DT_TEXTREL, 0))
2687 if (ABI_64_P (output_bfd))
2690 struct _bfd_sparc_elf_app_reg * app_regs;
2691 struct elf_strtab_hash *dynstr;
2692 struct elf_link_hash_table *eht = elf_hash_table (info);
2694 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2695 entries if needed. */
2696 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2697 dynstr = eht->dynstr;
2699 for (reg = 0; reg < 4; reg++)
2700 if (app_regs [reg].name != NULL)
2702 struct elf_link_local_dynamic_entry *entry, *e;
2704 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2707 entry = (struct elf_link_local_dynamic_entry *)
2708 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2712 /* We cheat here a little bit: the symbol will not be local, so we
2713 put it at the end of the dynlocal linked list. We will fix it
2714 later on, as we have to fix other fields anyway. */
2715 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2716 entry->isym.st_size = 0;
2717 if (*app_regs [reg].name != '\0')
2719 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2721 entry->isym.st_name = 0;
2722 entry->isym.st_other = 0;
2723 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2725 entry->isym.st_shndx = app_regs [reg].shndx;
2726 entry->isym.st_target_internal = 0;
2728 entry->input_bfd = output_bfd;
2729 entry->input_indx = -1;
2731 if (eht->dynlocal == NULL)
2732 eht->dynlocal = entry;
2735 for (e = eht->dynlocal; e->next; e = e->next)
2742 if (htab->is_vxworks
2743 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2746 #undef add_dynamic_entry
2752 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2754 if (!sec->used_by_bfd)
2756 struct _bfd_sparc_elf_section_data *sdata;
2757 bfd_size_type amt = sizeof (*sdata);
2759 sdata = bfd_zalloc (abfd, amt);
2762 sec->used_by_bfd = sdata;
2765 return _bfd_elf_new_section_hook (abfd, sec);
2769 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2770 struct bfd_section *section,
2771 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2774 if (bfd_link_relocatable (link_info))
2775 (*link_info->callbacks->einfo)
2776 (_("%P%F: --relax and -r may not be used together\n"));
2779 sec_do_relax (section) = 1;
2783 /* Return the base VMA address which should be subtracted from real addresses
2784 when resolving @dtpoff relocation.
2785 This is PT_TLS segment p_vaddr. */
2788 dtpoff_base (struct bfd_link_info *info)
2790 /* If tls_sec is NULL, we should have signalled an error already. */
2791 if (elf_hash_table (info)->tls_sec == NULL)
2793 return elf_hash_table (info)->tls_sec->vma;
2796 /* Return the relocation value for @tpoff relocation
2797 if STT_TLS virtual address is ADDRESS. */
2800 tpoff (struct bfd_link_info *info, bfd_vma address)
2802 struct elf_link_hash_table *htab = elf_hash_table (info);
2803 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2804 bfd_vma static_tls_size;
2806 /* If tls_sec is NULL, we should have signalled an error already. */
2807 if (htab->tls_sec == NULL)
2810 /* Consider special static TLS alignment requirements. */
2811 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2812 return address - static_tls_size - htab->tls_sec->vma;
2815 /* Return the relocation value for a %gdop relocation. */
2818 gdopoff (struct bfd_link_info *info, bfd_vma address)
2820 struct elf_link_hash_table *htab = elf_hash_table (info);
2823 got_base = (htab->hgot->root.u.def.value
2824 + htab->hgot->root.u.def.section->output_offset
2825 + htab->hgot->root.u.def.section->output_section->vma);
2827 return address - got_base;
2830 /* Return whether H is local and its ADDRESS is within 4G of
2831 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2832 sethi, xor sequence. */
2835 gdop_relative_offset_ok (struct bfd_link_info *info,
2836 struct elf_link_hash_entry *h,
2837 bfd_vma address ATTRIBUTE_UNUSED)
2839 if (!SYMBOL_REFERENCES_LOCAL (info, h))
2841 /* If H is undefined, ADDRESS will be zero. We can't allow a
2842 relative offset to "zero" when producing PIEs or shared libs.
2843 Note that to get here with an undefined symbol it must also be
2844 hidden or internal visibility. */
2845 if (bfd_link_pic (info)
2847 && (h->root.type == bfd_link_hash_undefweak
2848 || h->root.type == bfd_link_hash_undefined))
2851 return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
2857 /* Relocate a SPARC ELF section. */
2860 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2861 struct bfd_link_info *info,
2863 asection *input_section,
2865 Elf_Internal_Rela *relocs,
2866 Elf_Internal_Sym *local_syms,
2867 asection **local_sections)
2869 struct _bfd_sparc_elf_link_hash_table *htab;
2870 Elf_Internal_Shdr *symtab_hdr;
2871 struct elf_link_hash_entry **sym_hashes;
2872 bfd_vma *local_got_offsets;
2875 Elf_Internal_Rela *rel;
2876 Elf_Internal_Rela *relend;
2878 bfd_boolean is_vxworks_tls;
2880 htab = _bfd_sparc_elf_hash_table (info);
2881 BFD_ASSERT (htab != NULL);
2882 symtab_hdr = &elf_symtab_hdr (input_bfd);
2883 sym_hashes = elf_sym_hashes (input_bfd);
2884 local_got_offsets = elf_local_got_offsets (input_bfd);
2886 if (elf_hash_table (info)->hgot == NULL)
2889 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2891 sreloc = elf_section_data (input_section)->sreloc;
2892 /* We have to handle relocations in vxworks .tls_vars sections
2893 specially, because the dynamic loader is 'weird'. */
2894 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
2895 && !strcmp (input_section->output_section->name,
2899 if (ABI_64_P (output_bfd))
2900 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2902 num_relocs = input_section->reloc_count;
2903 relend = relocs + num_relocs;
2904 for (; rel < relend; rel++)
2906 int r_type, tls_type;
2907 reloc_howto_type *howto;
2908 unsigned long r_symndx;
2909 struct elf_link_hash_entry *h;
2910 struct _bfd_sparc_elf_link_hash_entry *eh;
2911 Elf_Internal_Sym *sym;
2913 bfd_vma relocation, off;
2914 bfd_reloc_status_type r;
2915 bfd_boolean is_plt = FALSE;
2916 bfd_boolean unresolved_reloc;
2917 bfd_boolean resolved_to_zero;
2918 bfd_boolean relative_reloc;
2920 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2921 if (r_type == R_SPARC_GNU_VTINHERIT
2922 || r_type == R_SPARC_GNU_VTENTRY)
2925 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2927 bfd_set_error (bfd_error_bad_value);
2931 howto = _bfd_sparc_elf_howto_table + r_type;
2932 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2936 unresolved_reloc = FALSE;
2937 if (r_symndx < symtab_hdr->sh_info)
2939 sym = local_syms + r_symndx;
2940 sec = local_sections[r_symndx];
2941 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2943 if (!bfd_link_relocatable (info)
2944 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2946 /* Relocate against local STT_GNU_IFUNC symbol. */
2947 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
2952 /* Set STT_GNU_IFUNC symbol value. */
2953 h->root.u.def.value = sym->st_value;
2954 h->root.u.def.section = sec;
2959 bfd_boolean warned, ignored;
2961 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2962 r_symndx, symtab_hdr, sym_hashes,
2964 unresolved_reloc, warned, ignored);
2967 /* To avoid generating warning messages about truncated
2968 relocations, set the relocation's address to be the same as
2969 the start of this section. */
2970 if (input_section->output_section != NULL)
2971 relocation = input_section->output_section->vma;
2977 if (sec != NULL && discarded_section (sec))
2978 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2979 rel, 1, relend, howto, 0, contents);
2981 if (bfd_link_relocatable (info))
2985 && h->type == STT_GNU_IFUNC
2991 if ((input_section->flags & SEC_ALLOC) == 0
2992 || h->plt.offset == (bfd_vma) -1)
2995 plt_sec = htab->elf.splt;
2997 plt_sec =htab->elf.iplt;
3001 case R_SPARC_GOTDATA_OP:
3004 case R_SPARC_GOTDATA_OP_HIX22:
3005 case R_SPARC_GOTDATA_OP_LOX10:
3006 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3009 howto = _bfd_sparc_elf_howto_table + r_type;
3015 if (htab->elf.sgot == NULL)
3017 off = h->got.offset;
3018 if (off == (bfd_vma) -1)
3020 relocation = htab->elf.sgot->output_offset + off - got_base;
3023 case R_SPARC_WPLT30:
3024 case R_SPARC_WDISP30:
3025 relocation = (plt_sec->output_section->vma
3026 + plt_sec->output_offset + h->plt.offset);
3031 if (bfd_link_pic (info) && h->non_got_ref)
3033 Elf_Internal_Rela outrel;
3036 offset = _bfd_elf_section_offset (output_bfd, info,
3039 if (offset == (bfd_vma) -1
3040 || offset == (bfd_vma) -2)
3043 outrel.r_offset = (input_section->output_section->vma
3044 + input_section->output_offset
3047 if (h->dynindx == -1
3049 || bfd_link_executable (info))
3051 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3052 0, R_SPARC_IRELATIVE);
3053 outrel.r_addend = relocation + rel->r_addend;
3057 if (h->dynindx == -1)
3059 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3060 outrel.r_addend = rel->r_addend;
3063 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3067 relocation = (plt_sec->output_section->vma
3068 + plt_sec->output_offset + h->plt.offset);
3073 /* We should only see such relocs in static links. */
3074 if (bfd_link_pic (info))
3076 relocation = (plt_sec->output_section->vma
3077 + plt_sec->output_offset + h->plt.offset);
3081 if (h->root.root.string)
3082 name = h->root.root.string;
3084 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3087 /* xgettext:c-format */
3088 (_("%B: relocation %s against STT_GNU_IFUNC "
3089 "symbol `%s' isn't handled by %s"), input_bfd,
3090 _bfd_sparc_elf_howto_table[r_type].name,
3091 name, __FUNCTION__);
3092 bfd_set_error (bfd_error_bad_value);
3097 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
3098 resolved_to_zero = eh && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
3102 case R_SPARC_GOTDATA_OP_HIX22:
3103 case R_SPARC_GOTDATA_OP_LOX10:
3104 if (gdop_relative_offset_ok (info, h, relocation))
3106 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3107 ? R_SPARC_GOTDATA_HIX22
3108 : R_SPARC_GOTDATA_LOX10);
3109 howto = _bfd_sparc_elf_howto_table + r_type;
3113 case R_SPARC_GOTDATA_OP:
3114 if (gdop_relative_offset_ok (info, h, relocation))
3116 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3118 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3119 relocation = 0x80000000 | (insn & 0x3e07c01f);
3120 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3127 case R_SPARC_GOTDATA_HIX22:
3128 case R_SPARC_GOTDATA_LOX10:
3129 relocation = gdopoff (info, relocation);
3132 case R_SPARC_GOTDATA_OP_HIX22:
3133 case R_SPARC_GOTDATA_OP_LOX10:
3137 /* Relocation is to the entry for this symbol in the global
3139 if (htab->elf.sgot == NULL)
3142 relative_reloc = FALSE;
3147 off = h->got.offset;
3148 BFD_ASSERT (off != (bfd_vma) -1);
3149 dyn = elf_hash_table (info)->dynamic_sections_created;
3151 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3152 bfd_link_pic (info),
3154 || (bfd_link_pic (info)
3155 && SYMBOL_REFERENCES_LOCAL (info, h)))
3157 /* This is actually a static link, or it is a
3158 -Bsymbolic link and the symbol is defined
3159 locally, or the symbol was forced to be local
3160 because of a version file. We must initialize
3161 this entry in the global offset table. Since the
3162 offset must always be a multiple of 8 for 64-bit
3163 and 4 for 32-bit, we use the least significant bit
3164 to record whether we have initialized it already.
3166 When doing a dynamic link, we create a .rela.got
3167 relocation entry to initialize the value. This
3168 is done in the finish_dynamic_symbol routine. */
3173 if (h->dynindx == -1
3175 && h->root.type != bfd_link_hash_undefweak
3176 && bfd_link_pic (info))
3178 /* If this symbol isn't dynamic in PIC
3179 generate R_SPARC_RELATIVE here. */
3180 relative_reloc = TRUE;
3183 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3184 htab->elf.sgot->contents + off);
3189 unresolved_reloc = FALSE;
3193 BFD_ASSERT (local_got_offsets != NULL
3194 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3196 off = local_got_offsets[r_symndx];
3198 /* The offset must always be a multiple of 8 on 64-bit and
3199 4 on 32-bit. We use the least significant bit to record
3200 whether we have already processed this entry. */
3205 if (bfd_link_pic (info))
3206 relative_reloc = TRUE;
3208 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3209 htab->elf.sgot->contents + off);
3210 local_got_offsets[r_symndx] |= 1;
3217 Elf_Internal_Rela outrel;
3219 /* We need to generate a R_SPARC_RELATIVE reloc
3220 for the dynamic linker. */
3221 s = htab->elf.srelgot;
3222 BFD_ASSERT (s != NULL);
3224 outrel.r_offset = (htab->elf.sgot->output_section->vma
3225 + htab->elf.sgot->output_offset
3227 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3228 0, R_SPARC_RELATIVE);
3229 outrel.r_addend = relocation;
3230 sparc_elf_append_rela (output_bfd, s, &outrel);
3231 /* Versions of glibc ld.so at least up to 2.26 wrongly
3232 add the section contents to the value calculated for
3233 a RELATIVE reloc. Zero the contents to work around
3236 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3237 htab->elf.sgot->contents + off);
3240 relocation = htab->elf.sgot->output_offset + off - got_base;
3245 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3247 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3252 case R_SPARC_WPLT30:
3253 case R_SPARC_HIPLT22:
3254 case R_SPARC_LOPLT10:
3255 case R_SPARC_PCPLT32:
3256 case R_SPARC_PCPLT22:
3257 case R_SPARC_PCPLT10:
3259 /* Relocation is to the entry for this symbol in the
3260 procedure linkage table. */
3262 if (! ABI_64_P (output_bfd))
3264 /* The Solaris native assembler will generate a WPLT30 reloc
3265 for a local symbol if you assemble a call from one
3266 section to another when using -K pic. We treat it as
3271 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3272 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3276 BFD_ASSERT (h != NULL);
3279 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3281 /* We didn't make a PLT entry for this symbol. This
3282 happens when statically linking PIC code, or when
3283 using -Bsymbolic. */
3287 relocation = (htab->elf.splt->output_section->vma
3288 + htab->elf.splt->output_offset
3290 unresolved_reloc = FALSE;
3291 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3293 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3301 case R_SPARC_PC_HH22:
3302 case R_SPARC_PC_HM10:
3303 case R_SPARC_PC_LM22:
3305 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3309 case R_SPARC_DISP16:
3310 case R_SPARC_DISP32:
3311 case R_SPARC_DISP64:
3312 case R_SPARC_WDISP30:
3313 case R_SPARC_WDISP22:
3314 case R_SPARC_WDISP19:
3315 case R_SPARC_WDISP16:
3316 case R_SPARC_WDISP10:
3344 if ((input_section->flags & SEC_ALLOC) == 0 || is_vxworks_tls)
3347 /* Copy dynamic function pointer relocations. Don't generate
3348 dynamic relocations against resolved undefined weak symbols
3350 if ((bfd_link_pic (info)
3352 || ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3353 && !resolved_to_zero)
3354 || h->root.type != bfd_link_hash_undefweak))
3355 && (! howto->pc_relative
3356 || !SYMBOL_CALLS_LOCAL (info, h)))
3357 || (!bfd_link_pic (info)
3363 || (h->root.type == bfd_link_hash_undefweak
3364 && !resolved_to_zero)
3365 || h->root.type == bfd_link_hash_undefined)))
3367 Elf_Internal_Rela outrel;
3368 bfd_boolean skip, relocate = FALSE;
3370 /* When generating a shared object, these relocations
3371 are copied into the output file to be resolved at run
3374 BFD_ASSERT (sreloc != NULL);
3379 _bfd_elf_section_offset (output_bfd, info, input_section,
3381 if (outrel.r_offset == (bfd_vma) -1)
3383 else if (outrel.r_offset == (bfd_vma) -2)
3384 skip = TRUE, relocate = TRUE;
3385 outrel.r_offset += (input_section->output_section->vma
3386 + input_section->output_offset);
3388 /* Optimize unaligned reloc usage now that we know where
3389 it finally resides. */
3393 if (outrel.r_offset & 1)
3394 r_type = R_SPARC_UA16;
3397 if (!(outrel.r_offset & 1))
3398 r_type = R_SPARC_16;
3401 if (outrel.r_offset & 3)
3402 r_type = R_SPARC_UA32;
3405 if (!(outrel.r_offset & 3))
3406 r_type = R_SPARC_32;
3409 if (outrel.r_offset & 7)
3410 r_type = R_SPARC_UA64;
3413 if (!(outrel.r_offset & 7))
3414 r_type = R_SPARC_64;
3417 case R_SPARC_DISP16:
3418 case R_SPARC_DISP32:
3419 case R_SPARC_DISP64:
3420 /* If the symbol is not dynamic, we should not keep
3421 a dynamic relocation. But an .rela.* slot has been
3422 allocated for it, output R_SPARC_NONE.
3423 FIXME: Add code tracking needed dynamic relocs as
3425 if (h->dynindx == -1)
3426 skip = TRUE, relocate = TRUE;
3431 memset (&outrel, 0, sizeof outrel);
3432 /* h->dynindx may be -1 if the symbol was marked to
3436 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3437 || !bfd_link_pic (info)
3438 || !SYMBOLIC_BIND (info, h)
3439 || !h->def_regular))
3441 BFD_ASSERT (h->dynindx != -1);
3442 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3443 outrel.r_addend = rel->r_addend;
3447 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3448 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
3450 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3451 0, R_SPARC_RELATIVE);
3452 outrel.r_addend = relocation + rel->r_addend;
3458 outrel.r_addend = relocation + rel->r_addend;
3461 sec = htab->elf.splt;
3463 if (bfd_is_abs_section (sec))
3465 else if (sec == NULL || sec->owner == NULL)
3467 bfd_set_error (bfd_error_bad_value);
3474 /* We are turning this relocation into one
3475 against a section symbol. It would be
3476 proper to subtract the symbol's value,
3477 osec->vma, from the emitted reloc addend,
3478 but ld.so expects buggy relocs. */
3479 osec = sec->output_section;
3480 indx = elf_section_data (osec)->dynindx;
3484 osec = htab->elf.text_index_section;
3485 indx = elf_section_data (osec)->dynindx;
3488 /* FIXME: we really should be able to link non-pic
3489 shared libraries. */
3494 (_("%B: probably compiled without -fPIC?"),
3496 bfd_set_error (bfd_error_bad_value);
3501 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3506 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3508 /* This reloc will be computed at runtime, so there's no
3509 need to do anything now. */
3515 case R_SPARC_TLS_GD_HI22:
3516 case R_SPARC_TLS_GD_LO10:
3517 case R_SPARC_TLS_IE_HI22:
3518 case R_SPARC_TLS_IE_LO10:
3519 r_type = sparc_elf_tls_transition (info, input_bfd, r_type,
3520 h == NULL || h->dynindx == -1);
3521 if (r_type == R_SPARC_REV32)
3524 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3525 else if (local_got_offsets)
3526 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3528 tls_type = GOT_UNKNOWN;
3529 if (tls_type == GOT_TLS_IE)
3532 case R_SPARC_TLS_GD_HI22:
3533 r_type = R_SPARC_TLS_IE_HI22;
3535 case R_SPARC_TLS_GD_LO10:
3536 r_type = R_SPARC_TLS_IE_LO10;
3540 if (r_type == R_SPARC_TLS_LE_HIX22)
3542 relocation = tpoff (info, relocation);
3545 if (r_type == R_SPARC_TLS_LE_LOX10)
3547 /* Change add into xor. */
3548 relocation = tpoff (info, relocation);
3549 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3550 contents + rel->r_offset)
3551 | 0x80182000), contents + rel->r_offset);
3557 off = h->got.offset;
3562 BFD_ASSERT (local_got_offsets != NULL);
3563 off = local_got_offsets[r_symndx];
3564 local_got_offsets[r_symndx] |= 1;
3568 if (htab->elf.sgot == NULL)
3575 Elf_Internal_Rela outrel;
3578 if (htab->elf.srelgot == NULL)
3581 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3582 htab->elf.sgot->contents + off);
3583 outrel.r_offset = (htab->elf.sgot->output_section->vma
3584 + htab->elf.sgot->output_offset + off);
3585 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3586 if (r_type == R_SPARC_TLS_IE_HI22
3587 || r_type == R_SPARC_TLS_IE_LO10)
3588 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3590 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3591 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3592 outrel.r_addend = relocation - dtpoff_base (info);
3594 outrel.r_addend = 0;
3595 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3596 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3598 if (r_type == R_SPARC_TLS_GD_HI22
3599 || r_type == R_SPARC_TLS_GD_LO10)
3603 BFD_ASSERT (! unresolved_reloc);
3604 SPARC_ELF_PUT_WORD (htab, output_bfd,
3605 relocation - dtpoff_base (info),
3606 (htab->elf.sgot->contents + off
3607 + SPARC_ELF_WORD_BYTES (htab)));
3611 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3612 (htab->elf.sgot->contents + off
3613 + SPARC_ELF_WORD_BYTES (htab)));
3614 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3615 SPARC_ELF_DTPOFF_RELOC (htab));
3616 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3617 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3621 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3623 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3624 (htab->elf.sgot->contents + off
3625 + SPARC_ELF_WORD_BYTES (htab)));
3629 if (off >= (bfd_vma) -2)
3632 relocation = htab->elf.sgot->output_offset + off - got_base;
3633 unresolved_reloc = FALSE;
3634 howto = _bfd_sparc_elf_howto_table + r_type;
3637 case R_SPARC_TLS_LDM_HI22:
3638 case R_SPARC_TLS_LDM_LO10:
3640 if (bfd_link_executable (info))
3642 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3645 off = htab->tls_ldm_got.offset;
3646 htab->tls_ldm_got.offset |= 1;
3647 goto r_sparc_tlsldm;
3649 case R_SPARC_TLS_LDO_HIX22:
3650 case R_SPARC_TLS_LDO_LOX10:
3652 if (bfd_link_executable (info))
3654 if (r_type == R_SPARC_TLS_LDO_HIX22)
3655 r_type = R_SPARC_TLS_LE_HIX22;
3657 r_type = R_SPARC_TLS_LE_LOX10;
3661 relocation -= dtpoff_base (info);
3666 case R_SPARC_TLS_LE_HIX22:
3667 case R_SPARC_TLS_LE_LOX10:
3668 if (!bfd_link_executable (info))
3670 Elf_Internal_Rela outrel;
3672 = _bfd_elf_section_offset (output_bfd, info, input_section,
3674 if (offset == (bfd_vma) -1 || offset == (bfd_vma) -2)
3675 memset (&outrel, 0, sizeof outrel);
3678 outrel.r_offset = offset
3679 + input_section->output_section->vma
3680 + input_section->output_offset;
3681 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3683 = relocation - dtpoff_base (info) + rel->r_addend;
3686 BFD_ASSERT (sreloc != NULL);
3687 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3690 relocation = tpoff (info, relocation);
3693 case R_SPARC_TLS_LDM_CALL:
3695 if (bfd_link_executable (info))
3698 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3703 case R_SPARC_TLS_GD_CALL:
3705 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3706 else if (local_got_offsets)
3707 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3709 tls_type = GOT_UNKNOWN;
3710 /* GD -> IE or LE */
3711 if (bfd_link_executable (info)
3712 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3714 Elf_Internal_Rela *rel2;
3718 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3720 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3725 if (rel + 1 < relend
3726 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3727 && rel[1].r_offset == rel->r_offset + 4
3728 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3729 && (((insn = bfd_get_32 (input_bfd,
3730 contents + rel[1].r_offset))
3731 >> 25) & 0x1f) == 8)
3734 call __tls_get_addr, %tgd_call(foo)
3735 add %reg1, %reg2, %o0, %tgd_add(foo)
3736 and change it into IE:
3737 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3738 add %g7, %o0, %o0, %tie_add(foo).
3739 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3740 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3741 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3742 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3743 contents + rel->r_offset);
3744 bfd_put_32 (output_bfd, 0x9001c008,
3745 contents + rel->r_offset + 4);
3750 /* We cannot just overwrite the delay slot instruction,
3751 as it might be what puts the %o0 argument to
3752 __tls_get_addr into place. So we have to transpose
3753 the delay slot with the add we patch in. */
3754 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3755 bfd_put_32 (output_bfd, insn,
3756 contents + rel->r_offset);
3757 bfd_put_32 (output_bfd, 0x9001c008,
3758 contents + rel->r_offset + 4);
3761 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3765 /* If the instruction we moved has a relocation attached to
3766 it, adjust the offset so that it will apply to the correct
3768 rel2->r_offset -= 4;
3773 h = (struct elf_link_hash_entry *)
3774 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3776 BFD_ASSERT (h != NULL);
3777 r_type = R_SPARC_WPLT30;
3778 howto = _bfd_sparc_elf_howto_table + r_type;
3779 goto r_sparc_wplt30;
3781 case R_SPARC_TLS_GD_ADD:
3783 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3784 else if (local_got_offsets)
3785 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3787 tls_type = GOT_UNKNOWN;
3788 /* GD -> IE or LE */
3789 if (bfd_link_executable (info) || tls_type == GOT_TLS_IE)
3791 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3793 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3795 add %g7, %reg2, %reg3. */
3796 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3797 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3798 relocation = (insn & ~0x7c000) | 0x1c000;
3800 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3801 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3805 case R_SPARC_TLS_LDM_ADD:
3807 if (bfd_link_executable (info))
3808 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3811 case R_SPARC_TLS_LDO_ADD:
3813 if (bfd_link_executable (info))
3815 /* Change rs1 into %g7. */
3816 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3817 insn = (insn & ~0x7c000) | 0x1c000;
3818 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3822 case R_SPARC_TLS_IE_LD:
3823 case R_SPARC_TLS_IE_LDX:
3825 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3827 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3828 int rs2 = insn & 0x1f;
3829 int rd = (insn >> 25) & 0x1f;
3832 relocation = SPARC_NOP;
3834 relocation = 0x80100000 | (insn & 0x3e00001f);
3835 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3839 case R_SPARC_TLS_IE_ADD:
3840 /* Totally useless relocation. */
3843 case R_SPARC_TLS_DTPOFF32:
3844 case R_SPARC_TLS_DTPOFF64:
3845 relocation -= dtpoff_base (info);
3852 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3853 because such sections are not SEC_ALLOC and thus ld.so will
3854 not process them. */
3855 if (unresolved_reloc
3856 && !((input_section->flags & SEC_DEBUGGING) != 0
3858 && _bfd_elf_section_offset (output_bfd, info, input_section,
3859 rel->r_offset) != (bfd_vma) -1)
3861 /* xgettext:c-format */
3862 (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
3867 h->root.root.string);
3869 r = bfd_reloc_continue;
3870 if (r_type == R_SPARC_OLO10)
3874 if (! ABI_64_P (output_bfd))
3877 relocation += rel->r_addend;
3878 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3880 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3881 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3882 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3884 r = bfd_check_overflow (howto->complain_on_overflow,
3885 howto->bitsize, howto->rightshift,
3886 bfd_arch_bits_per_address (input_bfd),
3889 else if (r_type == R_SPARC_WDISP16)
3893 relocation += rel->r_addend;
3894 relocation -= (input_section->output_section->vma
3895 + input_section->output_offset);
3896 relocation -= rel->r_offset;
3898 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3899 x |= ((((relocation >> 2) & 0xc000) << 6)
3900 | ((relocation >> 2) & 0x3fff));
3901 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3903 r = bfd_check_overflow (howto->complain_on_overflow,
3904 howto->bitsize, howto->rightshift,
3905 bfd_arch_bits_per_address (input_bfd),
3908 else if (r_type == R_SPARC_WDISP10)
3912 relocation += rel->r_addend;
3913 relocation -= (input_section->output_section->vma
3914 + input_section->output_offset);
3915 relocation -= rel->r_offset;
3917 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3918 x |= ((((relocation >> 2) & 0x300) << 11)
3919 | (((relocation >> 2) & 0xff) << 5));
3920 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3922 r = bfd_check_overflow (howto->complain_on_overflow,
3923 howto->bitsize, howto->rightshift,
3924 bfd_arch_bits_per_address (input_bfd),
3927 else if (r_type == R_SPARC_REV32)
3931 relocation = relocation + rel->r_addend;
3933 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3935 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3938 else if (r_type == R_SPARC_TLS_LDO_HIX22
3939 || r_type == R_SPARC_TLS_LE_HIX22)
3943 relocation += rel->r_addend;
3944 if (r_type == R_SPARC_TLS_LE_HIX22)
3945 relocation ^= MINUS_ONE;
3947 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3948 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3949 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3952 else if (r_type == R_SPARC_TLS_LDO_LOX10
3953 || r_type == R_SPARC_TLS_LE_LOX10)
3957 relocation += rel->r_addend;
3958 relocation &= 0x3ff;
3959 if (r_type == R_SPARC_TLS_LE_LOX10)
3960 relocation |= 0x1c00;
3962 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3963 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3964 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3968 else if (r_type == R_SPARC_HIX22
3969 || r_type == R_SPARC_GOTDATA_HIX22
3970 || r_type == R_SPARC_GOTDATA_OP_HIX22)
3974 relocation += rel->r_addend;
3975 if (r_type == R_SPARC_HIX22
3976 || (bfd_signed_vma) relocation < 0)
3977 relocation = relocation ^ MINUS_ONE;
3979 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3980 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3981 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3983 r = bfd_check_overflow (howto->complain_on_overflow,
3984 howto->bitsize, howto->rightshift,
3985 bfd_arch_bits_per_address (input_bfd),
3988 else if (r_type == R_SPARC_LOX10
3989 || r_type == R_SPARC_GOTDATA_LOX10
3990 || r_type == R_SPARC_GOTDATA_OP_LOX10)
3994 relocation += rel->r_addend;
3995 if (r_type == R_SPARC_LOX10
3996 || (bfd_signed_vma) relocation < 0)
3997 relocation = (relocation & 0x3ff) | 0x1c00;
3999 relocation = (relocation & 0x3ff);
4001 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4002 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4003 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4007 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4008 && sec_do_relax (input_section)
4009 && rel->r_offset + 4 < input_section->size)
4013 #define XCC (2 << 20)
4014 #define COND(x) (((x)&0xf)<<25)
4015 #define CONDA COND(0x8)
4016 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4017 #define INSN_BA (F2(0,2) | CONDA)
4018 #define INSN_OR F3(2, 0x2, 0)
4019 #define INSN_NOP F2(0,4)
4023 /* If the instruction is a call with either:
4025 arithmetic instruction with rd == %o7
4026 where rs1 != %o7 and rs2 if it is register != %o7
4027 then we can optimize if the call destination is near
4028 by changing the call into a branch always. */
4029 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4030 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4031 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4033 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4034 || ((y & OP3(0x28)) == 0 /* arithmetic */
4035 && (y & RD(~0)) == RD(O7)))
4036 && (y & RS1(~0)) != RS1(O7)
4038 || (y & RS2(~0)) != RS2(O7)))
4042 reloc = relocation + rel->r_addend - rel->r_offset;
4043 reloc -= (input_section->output_section->vma
4044 + input_section->output_offset);
4046 /* Ensure the branch fits into simm22. */
4047 if ((reloc & 3) == 0
4048 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4049 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4053 /* Check whether it fits into simm19. */
4054 if (((reloc & 0x3c0000) == 0
4055 || (reloc & 0x3c0000) == 0x3c0000)
4056 && (ABI_64_P (output_bfd)
4057 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4058 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4060 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4061 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4063 if (rel->r_offset >= 4
4064 && (y & (0xffffffff ^ RS1(~0)))
4065 == (INSN_OR | RD(O7) | RS2(G0)))
4070 z = bfd_get_32 (input_bfd,
4071 contents + rel->r_offset - 4);
4072 if ((z & (0xffffffff ^ RD(~0)))
4073 != (INSN_OR | RS1(O7) | RS2(G0)))
4081 If call foo was replaced with ba, replace
4082 or %rN, %g0, %o7 with nop. */
4084 reg = (y & RS1(~0)) >> 14;
4085 if (reg != ((z & RD(~0)) >> 25)
4086 || reg == G0 || reg == O7)
4089 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4090 contents + rel->r_offset + 4);
4098 if (r == bfd_reloc_continue)
4101 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4102 contents, rel->r_offset,
4103 relocation, rel->r_addend);
4105 if (r != bfd_reloc_ok)
4110 case bfd_reloc_outofrange:
4112 case bfd_reloc_overflow:
4116 /* The Solaris native linker silently disregards overflows.
4117 We don't, but this breaks stabs debugging info, whose
4118 relocations are only 32-bits wide. Ignore overflows in
4119 this case and also for discarded entries. */
4120 if ((r_type == R_SPARC_32
4121 || r_type == R_SPARC_UA32
4122 || r_type == R_SPARC_DISP32)
4123 && (((input_section->flags & SEC_DEBUGGING) != 0
4124 && strcmp (bfd_section_name (input_bfd,
4127 || _bfd_elf_section_offset (output_bfd, info,
4135 /* Assume this is a call protected by other code that
4136 detect the symbol is undefined. If this is the case,
4137 we can safely ignore the overflow. If not, the
4138 program is hosed anyway, and a little warning isn't
4140 if (h->root.type == bfd_link_hash_undefweak
4141 && howto->pc_relative)
4148 name = bfd_elf_string_from_elf_section (input_bfd,
4149 symtab_hdr->sh_link,
4154 name = bfd_section_name (input_bfd, sec);
4156 (*info->callbacks->reloc_overflow)
4157 (info, (h ? &h->root : NULL), name, howto->name,
4158 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4168 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4169 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4170 is the offset of the associated .got.plt entry from
4171 _GLOBAL_OFFSET_TABLE_. */
4174 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4175 bfd_vma plt_offset, bfd_vma plt_index,
4179 const bfd_vma *plt_entry;
4180 struct _bfd_sparc_elf_link_hash_table *htab;
4182 Elf_Internal_Rela rela;
4184 htab = _bfd_sparc_elf_hash_table (info);
4185 BFD_ASSERT (htab != NULL);
4187 if (bfd_link_pic (info))
4189 plt_entry = sparc_vxworks_shared_plt_entry;
4194 plt_entry = sparc_vxworks_exec_plt_entry;
4195 got_base = (htab->elf.hgot->root.u.def.value
4196 + htab->elf.hgot->root.u.def.section->output_offset
4197 + htab->elf.hgot->root.u.def.section->output_section->vma);
4200 /* Fill in the entry in the procedure linkage table. */
4201 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4202 htab->elf.splt->contents + plt_offset);
4203 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4204 htab->elf.splt->contents + plt_offset + 4);
4205 bfd_put_32 (output_bfd, plt_entry[2],
4206 htab->elf.splt->contents + plt_offset + 8);
4207 bfd_put_32 (output_bfd, plt_entry[3],
4208 htab->elf.splt->contents + plt_offset + 12);
4209 bfd_put_32 (output_bfd, plt_entry[4],
4210 htab->elf.splt->contents + plt_offset + 16);
4211 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4212 htab->elf.splt->contents + plt_offset + 20);
4213 /* PC-relative displacement for a branch to the start of
4215 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4217 htab->elf.splt->contents + plt_offset + 24);
4218 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4219 htab->elf.splt->contents + plt_offset + 28);
4221 /* Fill in the .got.plt entry, pointing initially at the
4222 second half of the PLT entry. */
4223 BFD_ASSERT (htab->elf.sgotplt != NULL);
4224 bfd_put_32 (output_bfd,
4225 htab->elf.splt->output_section->vma
4226 + htab->elf.splt->output_offset
4228 htab->elf.sgotplt->contents + got_offset);
4230 /* Add relocations to .rela.plt.unloaded. */
4231 if (!bfd_link_pic (info))
4233 loc = (htab->srelplt2->contents
4234 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4236 /* Relocate the initial sethi. */
4237 rela.r_offset = (htab->elf.splt->output_section->vma
4238 + htab->elf.splt->output_offset
4240 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4241 rela.r_addend = got_offset;
4242 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4243 loc += sizeof (Elf32_External_Rela);
4245 /* Likewise the following or. */
4247 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4248 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4249 loc += sizeof (Elf32_External_Rela);
4251 /* Relocate the .got.plt entry. */
4252 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4253 + htab->elf.sgotplt->output_offset
4255 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4256 rela.r_addend = plt_offset + 20;
4257 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4261 /* Finish up dynamic symbol handling. We set the contents of various
4262 dynamic sections here. */
4265 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4266 struct bfd_link_info *info,
4267 struct elf_link_hash_entry *h,
4268 Elf_Internal_Sym *sym)
4270 struct _bfd_sparc_elf_link_hash_table *htab;
4271 const struct elf_backend_data *bed;
4272 struct _bfd_sparc_elf_link_hash_entry *eh;
4273 bfd_boolean local_undefweak;
4275 htab = _bfd_sparc_elf_hash_table (info);
4276 BFD_ASSERT (htab != NULL);
4277 bed = get_elf_backend_data (output_bfd);
4279 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
4281 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4282 resolved undefined weak symbols in executable so that their
4283 references have value 0 at run-time. */
4284 local_undefweak = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
4286 if (h->plt.offset != (bfd_vma) -1)
4290 Elf_Internal_Rela rela;
4292 bfd_vma r_offset, got_offset;
4295 /* When building a static executable, use .iplt and
4296 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4297 if (htab->elf.splt != NULL)
4299 splt = htab->elf.splt;
4300 srela = htab->elf.srelplt;
4304 splt = htab->elf.iplt;
4305 srela = htab->elf.irelplt;
4308 if (splt == NULL || srela == NULL)
4311 /* Fill in the entry in the .rela.plt section. */
4312 if (htab->is_vxworks)
4314 /* Work out the index of this PLT entry. */
4315 rela_index = ((h->plt.offset - htab->plt_header_size)
4316 / htab->plt_entry_size);
4318 /* Calculate the offset of the associated .got.plt entry.
4319 The first three entries are reserved. */
4320 got_offset = (rela_index + 3) * 4;
4322 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4323 rela_index, got_offset);
4326 /* On VxWorks, the relocation points to the .got.plt entry,
4327 not the .plt entry. */
4328 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4329 + htab->elf.sgotplt->output_offset
4332 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4337 bfd_boolean ifunc = FALSE;
4339 /* Fill in the entry in the procedure linkage table. */
4340 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4341 h->plt.offset, splt->size,
4346 || ((bfd_link_executable (info)
4347 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4349 && h->type == STT_GNU_IFUNC))
4352 BFD_ASSERT (h == NULL
4353 || (h->type == STT_GNU_IFUNC
4355 && (h->root.type == bfd_link_hash_defined
4356 || h->root.type == bfd_link_hash_defweak)));
4359 rela.r_offset = r_offset
4360 + (splt->output_section->vma + splt->output_offset);
4361 if (ABI_64_P (output_bfd)
4362 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4366 rela.r_addend = (h->root.u.def.section->output_section->vma
4367 + h->root.u.def.section->output_offset
4368 + h->root.u.def.value);
4369 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4374 rela.r_addend = (-(h->plt.offset + 4)
4375 - splt->output_section->vma
4376 - splt->output_offset);
4377 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4385 rela.r_addend = (h->root.u.def.section->output_section->vma
4386 + h->root.u.def.section->output_offset
4387 + h->root.u.def.value);
4388 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4394 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4400 /* Adjust for the first 4 reserved elements in the .plt section
4401 when setting the offset in the .rela.plt section.
4402 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4403 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4405 loc = srela->contents;
4406 loc += rela_index * bed->s->sizeof_rela;
4407 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4409 if (!local_undefweak
4412 /* Mark the symbol as undefined, rather than as defined in
4413 the .plt section. Leave the value alone. */
4414 sym->st_shndx = SHN_UNDEF;
4415 /* If the symbol is weak, we do need to clear the value.
4416 Otherwise, the PLT entry would provide a definition for
4417 the symbol even if the symbol wasn't defined anywhere,
4418 and so the symbol would never be NULL. */
4419 if (!h->ref_regular_nonweak)
4424 /* Don't generate dynamic GOT relocation against undefined weak
4425 symbol in executable. */
4426 if (h->got.offset != (bfd_vma) -1
4427 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4428 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
4429 && !local_undefweak)
4433 Elf_Internal_Rela rela;
4435 /* This symbol has an entry in the GOT. Set it up. */
4437 sgot = htab->elf.sgot;
4438 srela = htab->elf.srelgot;
4439 BFD_ASSERT (sgot != NULL && srela != NULL);
4441 rela.r_offset = (sgot->output_section->vma
4442 + sgot->output_offset
4443 + (h->got.offset &~ (bfd_vma) 1));
4445 /* If this is a -Bsymbolic link, and the symbol is defined
4446 locally, we just want to emit a RELATIVE reloc. Likewise if
4447 the symbol was forced to be local because of a version file.
4448 The entry in the global offset table will already have been
4449 initialized in the relocate_section function. */
4450 if (! bfd_link_pic (info)
4451 && h->type == STT_GNU_IFUNC
4456 /* We load the GOT entry with the PLT entry. */
4457 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4458 SPARC_ELF_PUT_WORD (htab, output_bfd,
4459 (plt->output_section->vma
4460 + plt->output_offset + h->plt.offset),
4461 htab->elf.sgot->contents
4462 + (h->got.offset & ~(bfd_vma) 1));
4465 else if (bfd_link_pic (info)
4466 && SYMBOL_REFERENCES_LOCAL (info, h))
4468 asection *sec = h->root.u.def.section;
4469 if (h->type == STT_GNU_IFUNC)
4470 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4472 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4473 rela.r_addend = (h->root.u.def.value
4474 + sec->output_section->vma
4475 + sec->output_offset);
4479 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4483 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4484 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4485 sparc_elf_append_rela (output_bfd, srela, &rela);
4491 Elf_Internal_Rela rela;
4493 /* This symbols needs a copy reloc. Set it up. */
4494 BFD_ASSERT (h->dynindx != -1);
4496 rela.r_offset = (h->root.u.def.value
4497 + h->root.u.def.section->output_section->vma
4498 + h->root.u.def.section->output_offset);
4499 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4501 if (h->root.u.def.section == htab->elf.sdynrelro)
4502 s = htab->elf.sreldynrelro;
4504 s = htab->elf.srelbss;
4505 sparc_elf_append_rela (output_bfd, s, &rela);
4508 /* Mark some specially defined symbols as absolute. On VxWorks,
4509 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4510 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4512 && (h == htab->elf.hdynamic
4513 || (!htab->is_vxworks
4514 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4515 sym->st_shndx = SHN_ABS;
4520 /* Finish up the dynamic sections. */
4523 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4524 bfd *dynobj, asection *sdyn,
4525 asection *splt ATTRIBUTE_UNUSED)
4527 struct _bfd_sparc_elf_link_hash_table *htab;
4528 const struct elf_backend_data *bed;
4529 bfd_byte *dyncon, *dynconend;
4531 int stt_regidx = -1;
4532 bfd_boolean abi_64_p;
4534 htab = _bfd_sparc_elf_hash_table (info);
4535 BFD_ASSERT (htab != NULL);
4536 bed = get_elf_backend_data (output_bfd);
4537 dynsize = bed->s->sizeof_dyn;
4538 dynconend = sdyn->contents + sdyn->size;
4539 abi_64_p = ABI_64_P (output_bfd);
4540 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4542 Elf_Internal_Dyn dyn;
4545 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4547 if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4549 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4550 not to the start of the PLT. */
4551 if (htab->elf.sgotplt)
4553 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4554 + htab->elf.sgotplt->output_offset);
4555 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4558 else if (htab->is_vxworks
4559 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4560 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4561 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4563 if (stt_regidx == -1)
4566 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4567 if (stt_regidx == -1)
4570 dyn.d_un.d_val = stt_regidx++;
4571 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4584 s = htab->elf.srelplt;
4588 s = htab->elf.srelplt;
4600 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4602 dyn.d_un.d_val = s->size;
4604 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4610 /* Install the first PLT entry in a VxWorks executable and make sure that
4611 .rela.plt.unloaded relocations have the correct symbol indexes. */
4614 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4616 struct _bfd_sparc_elf_link_hash_table *htab;
4617 Elf_Internal_Rela rela;
4621 htab = _bfd_sparc_elf_hash_table (info);
4622 BFD_ASSERT (htab != NULL);
4624 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4625 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4626 + htab->elf.hgot->root.u.def.section->output_offset
4627 + htab->elf.hgot->root.u.def.value);
4629 /* Install the initial PLT entry. */
4630 bfd_put_32 (output_bfd,
4631 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4632 htab->elf.splt->contents);
4633 bfd_put_32 (output_bfd,
4634 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4635 htab->elf.splt->contents + 4);
4636 bfd_put_32 (output_bfd,
4637 sparc_vxworks_exec_plt0_entry[2],
4638 htab->elf.splt->contents + 8);
4639 bfd_put_32 (output_bfd,
4640 sparc_vxworks_exec_plt0_entry[3],
4641 htab->elf.splt->contents + 12);
4642 bfd_put_32 (output_bfd,
4643 sparc_vxworks_exec_plt0_entry[4],
4644 htab->elf.splt->contents + 16);
4646 loc = htab->srelplt2->contents;
4648 /* Add an unloaded relocation for the initial entry's "sethi". */
4649 rela.r_offset = (htab->elf.splt->output_section->vma
4650 + htab->elf.splt->output_offset);
4651 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4653 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4654 loc += sizeof (Elf32_External_Rela);
4656 /* Likewise the following "or". */
4658 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4659 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4660 loc += sizeof (Elf32_External_Rela);
4662 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4663 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4664 in which symbols were output. */
4665 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4667 Elf_Internal_Rela rel;
4669 /* The entry's initial "sethi" (against _G_O_T_). */
4670 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4671 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4672 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4673 loc += sizeof (Elf32_External_Rela);
4675 /* The following "or" (also against _G_O_T_). */
4676 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4677 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4678 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4679 loc += sizeof (Elf32_External_Rela);
4681 /* The .got.plt entry (against _P_L_T_). */
4682 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4683 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4684 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4685 loc += sizeof (Elf32_External_Rela);
4689 /* Install the first PLT entry in a VxWorks shared object. */
4692 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4694 struct _bfd_sparc_elf_link_hash_table *htab;
4697 htab = _bfd_sparc_elf_hash_table (info);
4698 BFD_ASSERT (htab != NULL);
4700 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4701 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4702 htab->elf.splt->contents + i * 4);
4705 /* Finish up local dynamic symbol handling. We set the contents of
4706 various dynamic sections here. */
4709 finish_local_dynamic_symbol (void **slot, void *inf)
4711 struct elf_link_hash_entry *h
4712 = (struct elf_link_hash_entry *) *slot;
4713 struct bfd_link_info *info
4714 = (struct bfd_link_info *) inf;
4716 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4720 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4721 here since undefined weak symbol may not be dynamic and may not be
4722 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4725 pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
4728 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
4729 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4731 if (h->root.type != bfd_link_hash_undefweak
4732 || h->dynindx != -1)
4735 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4740 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4744 struct _bfd_sparc_elf_link_hash_table *htab;
4746 htab = _bfd_sparc_elf_hash_table (info);
4747 BFD_ASSERT (htab != NULL);
4748 dynobj = htab->elf.dynobj;
4750 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4752 if (elf_hash_table (info)->dynamic_sections_created)
4756 splt = htab->elf.splt;
4757 BFD_ASSERT (splt != NULL && sdyn != NULL);
4759 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4762 /* Initialize the contents of the .plt section. */
4765 if (htab->is_vxworks)
4767 if (bfd_link_pic (info))
4768 sparc_vxworks_finish_shared_plt (output_bfd, info);
4770 sparc_vxworks_finish_exec_plt (output_bfd, info);
4774 memset (splt->contents, 0, htab->plt_header_size);
4775 if (!ABI_64_P (output_bfd))
4776 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4777 splt->contents + splt->size - 4);
4781 if (elf_section_data (splt->output_section) != NULL)
4782 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4783 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4784 ? 0 : htab->plt_entry_size);
4787 /* Set the first entry in the global offset table to the address of
4788 the dynamic section. */
4789 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4791 bfd_vma val = (sdyn ?
4792 sdyn->output_section->vma + sdyn->output_offset :
4795 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4799 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4800 SPARC_ELF_WORD_BYTES (htab);
4802 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4803 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4805 /* Fill PLT entries for undefined weak symbols in PIE. */
4806 if (bfd_link_pie (info))
4807 bfd_hash_traverse (&info->hash->table,
4808 pie_finish_undefweak_symbol,
4814 /* Set the right machine number for a SPARC ELF file. */
4817 _bfd_sparc_elf_object_p (bfd *abfd)
4819 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4820 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4821 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4823 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4824 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
4825 | ELF_SPARC_HWCAP_VIS3
4826 | ELF_SPARC_HWCAP_HPC);
4827 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
4828 | ELF_SPARC_HWCAP_DES
4829 | ELF_SPARC_HWCAP_KASUMI
4830 | ELF_SPARC_HWCAP_CAMELLIA
4831 | ELF_SPARC_HWCAP_MD5
4832 | ELF_SPARC_HWCAP_SHA1
4833 | ELF_SPARC_HWCAP_SHA256
4834 | ELF_SPARC_HWCAP_SHA512
4835 | ELF_SPARC_HWCAP_MPMUL
4836 | ELF_SPARC_HWCAP_MONT
4837 | ELF_SPARC_HWCAP_CRC32C
4838 | ELF_SPARC_HWCAP_CBCOND
4839 | ELF_SPARC_HWCAP_PAUSE);
4840 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
4841 | ELF_SPARC_HWCAP_IMA);
4842 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
4843 | ELF_SPARC_HWCAP2_MWAIT
4844 | ELF_SPARC_HWCAP2_XMPMUL
4845 | ELF_SPARC_HWCAP2_XMONT);
4846 unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
4847 | ELF_SPARC_HWCAP2_ONADDSUB
4848 | ELF_SPARC_HWCAP2_ONMUL
4849 | ELF_SPARC_HWCAP2_ONDIV
4850 | ELF_SPARC_HWCAP2_DICTUNP
4851 | ELF_SPARC_HWCAP2_FPCMPSHL
4852 | ELF_SPARC_HWCAP2_RLE
4853 | ELF_SPARC_HWCAP2_SHA3);
4855 if (ABI_64_P (abfd))
4857 unsigned long mach = bfd_mach_sparc_v9;
4859 if (hwcaps2->i & m8_hwcaps2_mask)
4860 mach = bfd_mach_sparc_v9m8;
4861 else if (hwcaps2->i & v9m_hwcaps2_mask)
4862 mach = bfd_mach_sparc_v9m;
4863 else if (hwcaps->i & v9v_hwcaps_mask)
4864 mach = bfd_mach_sparc_v9v;
4865 else if (hwcaps->i & v9e_hwcaps_mask)
4866 mach = bfd_mach_sparc_v9e;
4867 else if (hwcaps->i & v9d_hwcaps_mask)
4868 mach = bfd_mach_sparc_v9d;
4869 else if (hwcaps->i & v9c_hwcaps_mask)
4870 mach = bfd_mach_sparc_v9c;
4871 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4872 mach = bfd_mach_sparc_v9b;
4873 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4874 mach = bfd_mach_sparc_v9a;
4875 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4879 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4881 if (hwcaps2->i & m8_hwcaps2_mask)
4882 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4883 bfd_mach_sparc_v8plusm8);
4884 else 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);