1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2018 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
55 void * data, asection *input_section, bfd *output_bfd,
56 bfd_vma *prelocation, bfd_vma *pinsn)
59 reloc_howto_type *howto = reloc_entry->howto;
61 if (output_bfd != (bfd *) NULL
62 && (symbol->flags & BSF_SECTION_SYM) == 0
63 && (! howto->partial_inplace
64 || reloc_entry->addend == 0))
66 reloc_entry->address += input_section->output_offset;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd != NULL)
72 return bfd_reloc_continue;
74 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
75 return bfd_reloc_outofrange;
77 relocation = (symbol->value
78 + symbol->section->output_section->vma
79 + symbol->section->output_offset);
80 relocation += reloc_entry->addend;
81 if (howto->pc_relative)
83 relocation -= (input_section->output_section->vma
84 + input_section->output_offset);
85 relocation -= reloc_entry->address;
88 *prelocation = relocation;
89 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
90 return bfd_reloc_other;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
97 arelent *reloc_entry ATTRIBUTE_UNUSED,
98 asymbol *symbol ATTRIBUTE_UNUSED,
99 void * data ATTRIBUTE_UNUSED,
100 asection *input_section ATTRIBUTE_UNUSED,
101 bfd *output_bfd ATTRIBUTE_UNUSED,
102 char **error_message ATTRIBUTE_UNUSED)
104 return bfd_reloc_notsupported;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
111 void * data, asection *input_section, bfd *output_bfd,
112 char **error_message ATTRIBUTE_UNUSED)
116 bfd_reloc_status_type status;
118 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
119 input_section, output_bfd, &relocation, &insn);
120 if (status != bfd_reloc_other)
123 insn &= ~ (bfd_vma) 0x303fff;
124 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
125 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
127 if ((bfd_signed_vma) relocation < - 0x40000
128 || (bfd_signed_vma) relocation > 0x3ffff)
129 return bfd_reloc_overflow;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
138 void * data, asection *input_section, bfd *output_bfd,
139 char **error_message ATTRIBUTE_UNUSED)
143 bfd_reloc_status_type status;
145 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
146 input_section, output_bfd, &relocation, &insn);
147 if (status != bfd_reloc_other)
150 insn &= ~ (bfd_vma) 0x181fe0;
151 insn |= (((relocation >> 2) & 0x300) << 11)
152 | (((relocation >> 2) & 0xff) << 5);
153 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
155 if ((bfd_signed_vma) relocation < - 0x1000
156 || (bfd_signed_vma) relocation > 0xfff)
157 return bfd_reloc_overflow;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
166 void * data, asection *input_section, bfd *output_bfd,
167 char **error_message ATTRIBUTE_UNUSED)
171 bfd_reloc_status_type status;
173 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
174 input_section, output_bfd, &relocation, &insn);
175 if (status != bfd_reloc_other)
178 relocation ^= MINUS_ONE;
179 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
180 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
182 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
183 return bfd_reloc_overflow;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
192 void * data, asection *input_section, bfd *output_bfd,
193 char **error_message ATTRIBUTE_UNUSED)
197 bfd_reloc_status_type status;
199 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
200 input_section, output_bfd, &relocation, &insn);
201 if (status != bfd_reloc_other)
204 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
205 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
210 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
212 HOWTO(R_SPARC_NONE, 0,3, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
213 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
214 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
215 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
216 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
217 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
218 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
219 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
220 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
221 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
222 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
223 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
224 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
225 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
226 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
227 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
228 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
229 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
230 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
231 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
232 HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
233 HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
234 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
235 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
236 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
237 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
238 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
239 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
240 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
241 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
242 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
243 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
244 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
245 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
246 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
247 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
248 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
249 HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE),
250 HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE),
251 HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE),
252 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
253 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
254 HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE),
255 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
256 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
257 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
258 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
259 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
260 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
261 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
262 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
263 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
264 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
265 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
266 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
267 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
268 HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
269 HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
270 HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
271 HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
272 HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
273 HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
274 HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
275 HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
276 HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
277 HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
278 HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
279 HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
280 HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
281 HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
282 HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
283 HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
284 HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
285 HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
286 HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
287 HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
288 HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
289 HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
290 HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
291 HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE),
292 HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
293 HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
296 HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
297 HOWTO(R_SPARC_H34,12,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,"R_SPARC_H34",FALSE,0,0x003fffff,FALSE),
298 HOWTO(R_SPARC_SIZE32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE32",FALSE,0,0xffffffff,TRUE),
299 HOWTO(R_SPARC_SIZE64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE64",FALSE,0,MINUS_ONE, TRUE),
300 HOWTO(R_SPARC_WDISP10,2,2,10,TRUE, 0,complain_overflow_signed,sparc_elf_wdisp10_reloc,"R_SPARC_WDISP10",FALSE,0,0x00000000,TRUE),
302 static reloc_howto_type sparc_jmp_irel_howto =
303 HOWTO(R_SPARC_JMP_IREL, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
304 static reloc_howto_type sparc_irelative_howto =
305 HOWTO(R_SPARC_IRELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
306 static reloc_howto_type sparc_vtinherit_howto =
307 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
308 static reloc_howto_type sparc_vtentry_howto =
309 HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE);
310 static reloc_howto_type sparc_rev32_howto =
311 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
314 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd,
315 bfd_reloc_code_real_type code)
317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
322 return &_bfd_sparc_elf_howto_table[R_SPARC_NONE];
325 return &_bfd_sparc_elf_howto_table[R_SPARC_8];
328 return &_bfd_sparc_elf_howto_table[R_SPARC_16];
331 return &_bfd_sparc_elf_howto_table[R_SPARC_32];
333 case BFD_RELOC_8_PCREL:
334 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP8];
336 case BFD_RELOC_16_PCREL:
337 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP16];
339 case BFD_RELOC_32_PCREL:
340 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP32];
342 case BFD_RELOC_32_PCREL_S2:
343 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP30];
345 case BFD_RELOC_SPARC_WDISP22:
346 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP22];
349 return &_bfd_sparc_elf_howto_table[R_SPARC_HI22];
351 case BFD_RELOC_SPARC22:
352 return &_bfd_sparc_elf_howto_table[R_SPARC_22];
354 case BFD_RELOC_SPARC13:
355 return &_bfd_sparc_elf_howto_table[R_SPARC_13];
358 return &_bfd_sparc_elf_howto_table[R_SPARC_LO10];
360 case BFD_RELOC_SPARC_GOT10:
361 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT10];
363 case BFD_RELOC_SPARC_GOT13:
364 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT13];
366 case BFD_RELOC_SPARC_GOT22:
367 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT22];
369 case BFD_RELOC_SPARC_PC10:
370 return &_bfd_sparc_elf_howto_table[R_SPARC_PC10];
372 case BFD_RELOC_SPARC_PC22:
373 return &_bfd_sparc_elf_howto_table[R_SPARC_PC22];
375 case BFD_RELOC_SPARC_WPLT30:
376 return &_bfd_sparc_elf_howto_table[R_SPARC_WPLT30];
378 case BFD_RELOC_SPARC_COPY:
379 return &_bfd_sparc_elf_howto_table[R_SPARC_COPY];
381 case BFD_RELOC_SPARC_GLOB_DAT:
382 return &_bfd_sparc_elf_howto_table[R_SPARC_GLOB_DAT];
384 case BFD_RELOC_SPARC_JMP_SLOT:
385 return &_bfd_sparc_elf_howto_table[R_SPARC_JMP_SLOT];
387 case BFD_RELOC_SPARC_RELATIVE:
388 return &_bfd_sparc_elf_howto_table[R_SPARC_RELATIVE];
390 case BFD_RELOC_SPARC_UA32:
391 return &_bfd_sparc_elf_howto_table[R_SPARC_UA32];
393 case BFD_RELOC_SPARC_PLT32:
394 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT32];
396 case BFD_RELOC_SPARC_10:
397 return &_bfd_sparc_elf_howto_table[R_SPARC_10];
399 case BFD_RELOC_SPARC_11:
400 return &_bfd_sparc_elf_howto_table[R_SPARC_11];
402 case BFD_RELOC_SPARC_64:
403 return &_bfd_sparc_elf_howto_table[R_SPARC_64];
405 case BFD_RELOC_SPARC_OLO10:
406 return &_bfd_sparc_elf_howto_table[R_SPARC_OLO10];
408 case BFD_RELOC_SPARC_HH22:
409 return &_bfd_sparc_elf_howto_table[R_SPARC_HH22];
411 case BFD_RELOC_SPARC_HM10:
412 return &_bfd_sparc_elf_howto_table[R_SPARC_HM10];
414 case BFD_RELOC_SPARC_LM22:
415 return &_bfd_sparc_elf_howto_table[R_SPARC_LM22];
417 case BFD_RELOC_SPARC_PC_HH22:
418 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HH22];
420 case BFD_RELOC_SPARC_PC_HM10:
421 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HM10];
423 case BFD_RELOC_SPARC_PC_LM22:
424 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_LM22];
426 case BFD_RELOC_SPARC_WDISP16:
427 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP16];
429 case BFD_RELOC_SPARC_WDISP19:
430 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP19];
432 case BFD_RELOC_SPARC_7:
433 return &_bfd_sparc_elf_howto_table[R_SPARC_7];
435 case BFD_RELOC_SPARC_5:
436 return &_bfd_sparc_elf_howto_table[R_SPARC_5];
438 case BFD_RELOC_SPARC_6:
439 return &_bfd_sparc_elf_howto_table[R_SPARC_6];
441 case BFD_RELOC_SPARC_DISP64:
442 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP64];
444 case BFD_RELOC_SPARC_PLT64:
445 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT64];
447 case BFD_RELOC_SPARC_HIX22:
448 return &_bfd_sparc_elf_howto_table[R_SPARC_HIX22];
450 case BFD_RELOC_SPARC_LOX10:
451 return &_bfd_sparc_elf_howto_table[R_SPARC_LOX10];
453 case BFD_RELOC_SPARC_H44:
454 return &_bfd_sparc_elf_howto_table[R_SPARC_H44];
456 case BFD_RELOC_SPARC_M44:
457 return &_bfd_sparc_elf_howto_table[R_SPARC_M44];
459 case BFD_RELOC_SPARC_L44:
460 return &_bfd_sparc_elf_howto_table[R_SPARC_L44];
462 case BFD_RELOC_SPARC_REGISTER:
463 return &_bfd_sparc_elf_howto_table[R_SPARC_REGISTER];
465 case BFD_RELOC_SPARC_UA64:
466 return &_bfd_sparc_elf_howto_table[R_SPARC_UA64];
468 case BFD_RELOC_SPARC_UA16:
469 return &_bfd_sparc_elf_howto_table[R_SPARC_UA16];
471 case BFD_RELOC_SPARC_TLS_GD_HI22:
472 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_HI22];
474 case BFD_RELOC_SPARC_TLS_GD_LO10:
475 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_LO10];
477 case BFD_RELOC_SPARC_TLS_GD_ADD:
478 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_ADD];
480 case BFD_RELOC_SPARC_TLS_GD_CALL:
481 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_CALL];
483 case BFD_RELOC_SPARC_TLS_LDM_HI22:
484 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_HI22];
486 case BFD_RELOC_SPARC_TLS_LDM_LO10:
487 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_LO10];
489 case BFD_RELOC_SPARC_TLS_LDM_ADD:
490 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_ADD];
492 case BFD_RELOC_SPARC_TLS_LDM_CALL:
493 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_CALL];
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22:
496 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_HIX22];
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10:
499 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_LOX10];
501 case BFD_RELOC_SPARC_TLS_LDO_ADD:
502 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_ADD];
504 case BFD_RELOC_SPARC_TLS_IE_HI22:
505 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_HI22];
507 case BFD_RELOC_SPARC_TLS_IE_LO10:
508 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LO10];
510 case BFD_RELOC_SPARC_TLS_IE_LD:
511 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LD];
513 case BFD_RELOC_SPARC_TLS_IE_LDX:
514 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LDX];
516 case BFD_RELOC_SPARC_TLS_IE_ADD:
517 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_ADD];
519 case BFD_RELOC_SPARC_TLS_LE_HIX22:
520 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_HIX22];
522 case BFD_RELOC_SPARC_TLS_LE_LOX10:
523 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_LOX10];
525 case BFD_RELOC_SPARC_TLS_DTPMOD32:
526 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD32];
528 case BFD_RELOC_SPARC_TLS_DTPMOD64:
529 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD64];
531 case BFD_RELOC_SPARC_TLS_DTPOFF32:
532 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF32];
534 case BFD_RELOC_SPARC_TLS_DTPOFF64:
535 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF64];
537 case BFD_RELOC_SPARC_TLS_TPOFF32:
538 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF32];
540 case BFD_RELOC_SPARC_TLS_TPOFF64:
541 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF64];
543 case BFD_RELOC_SPARC_GOTDATA_HIX22:
544 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_HIX22];
546 case BFD_RELOC_SPARC_GOTDATA_LOX10:
547 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_LOX10];
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22:
550 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_HIX22];
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10:
553 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_LOX10];
555 case BFD_RELOC_SPARC_GOTDATA_OP:
556 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP];
558 case BFD_RELOC_SPARC_H34:
559 return &_bfd_sparc_elf_howto_table[R_SPARC_H34];
561 case BFD_RELOC_SPARC_SIZE32:
562 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE32];
564 case BFD_RELOC_SPARC_SIZE64:
565 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE64];
567 case BFD_RELOC_SPARC_WDISP10:
568 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP10];
570 case BFD_RELOC_SPARC_JMP_IREL:
571 return &sparc_jmp_irel_howto;
573 case BFD_RELOC_SPARC_IRELATIVE:
574 return &sparc_irelative_howto;
576 case BFD_RELOC_VTABLE_INHERIT:
577 return &sparc_vtinherit_howto;
579 case BFD_RELOC_VTABLE_ENTRY:
580 return &sparc_vtentry_howto;
582 case BFD_RELOC_SPARC_REV32:
583 return &sparc_rev32_howto;
588 /* xgettext:c-format */
589 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd, (int) code);
590 bfd_set_error (bfd_error_bad_value);
595 _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
600 for (i = 0; i < ARRAY_SIZE (_bfd_sparc_elf_howto_table); i++)
601 if (_bfd_sparc_elf_howto_table[i].name != NULL
602 && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
603 return &_bfd_sparc_elf_howto_table[i];
605 if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
606 return &sparc_vtinherit_howto;
607 if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
608 return &sparc_vtentry_howto;
609 if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
610 return &sparc_rev32_howto;
616 _bfd_sparc_elf_info_to_howto_ptr (bfd *abfd ATTRIBUTE_UNUSED,
621 case R_SPARC_JMP_IREL:
622 return &sparc_jmp_irel_howto;
624 case R_SPARC_IRELATIVE:
625 return &sparc_irelative_howto;
627 case R_SPARC_GNU_VTINHERIT:
628 return &sparc_vtinherit_howto;
630 case R_SPARC_GNU_VTENTRY:
631 return &sparc_vtentry_howto;
634 return &sparc_rev32_howto;
637 if (r_type >= (unsigned int) R_SPARC_max_std)
639 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
641 bfd_set_error (bfd_error_bad_value);
644 return &_bfd_sparc_elf_howto_table[r_type];
648 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
649 so just take advantage of that. */
650 #define SPARC_ELF_R_TYPE(r_info) \
654 _bfd_sparc_elf_info_to_howto (bfd *abfd, arelent *cache_ptr,
655 Elf_Internal_Rela *dst)
657 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
659 if ((cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, r_type)) == NULL)
661 bfd_set_error (bfd_error_bad_value);
668 /* The nop opcode we use. */
669 #define SPARC_NOP 0x01000000
671 #define SPARC_INSN_BYTES 4
673 /* Is an undefined weak symbol resolved to 0 ?
674 Reference to an undefined weak symbol is resolved to 0 when
675 building an executable if it isn't dynamic and
676 1. Has non-GOT/non-PLT relocations in text section.
678 2. Has no GOT/PLT relocation. */
679 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
680 ((EH)->elf.root.type == bfd_link_hash_undefweak \
681 && bfd_link_executable (INFO) \
682 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
683 || !(INFO)->dynamic_undefined_weak \
684 || (EH)->has_non_got_reloc \
685 || !(EH)->has_got_reloc))
687 /* SPARC ELF linker hash entry. */
689 struct _bfd_sparc_elf_link_hash_entry
691 struct elf_link_hash_entry elf;
693 /* Track dynamic relocs copied for this symbol. */
694 struct elf_dyn_relocs *dyn_relocs;
696 #define GOT_UNKNOWN 0
700 unsigned char tls_type;
702 /* Symbol has GOT or PLT relocations. */
703 unsigned int has_got_reloc : 1;
705 /* Symbol has old-style, non-relaxable GOT relocations. */
706 unsigned int has_old_style_got_reloc : 1;
708 /* Symbol has non-GOT/non-PLT relocations in text sections. */
709 unsigned int has_non_got_reloc : 1;
713 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
715 struct _bfd_sparc_elf_obj_tdata
717 struct elf_obj_tdata root;
719 /* tls_type for each local got entry. */
720 char *local_got_tls_type;
722 /* TRUE if TLS GD relocs has been seen for this object. */
723 bfd_boolean has_tlsgd;
726 #define _bfd_sparc_elf_tdata(abfd) \
727 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
729 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
730 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
732 #define is_sparc_elf(bfd) \
733 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
734 && elf_tdata (bfd) != NULL \
735 && elf_object_id (bfd) == SPARC_ELF_DATA)
738 _bfd_sparc_elf_mkobject (bfd *abfd)
740 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
745 sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
747 bfd_put_32 (abfd, val, ptr);
751 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
753 bfd_put_64 (abfd, val, ptr);
757 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
759 const struct elf_backend_data *bed;
762 bed = get_elf_backend_data (abfd);
763 BFD_ASSERT (s->reloc_count * bed->s->sizeof_rela < s->size);
764 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
765 bed->s->swap_reloca_out (abfd, rel, loc);
769 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
770 bfd_vma rel_index ATTRIBUTE_UNUSED,
771 bfd_vma type ATTRIBUTE_UNUSED)
773 return ELF64_R_INFO (rel_index,
775 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
780 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
781 bfd_vma rel_index, bfd_vma type)
783 return ELF32_R_INFO (rel_index, type);
787 sparc_elf_r_symndx_64 (bfd_vma r_info)
789 bfd_vma r_symndx = ELF32_R_SYM (r_info);
790 return (r_symndx >> 24);
794 sparc_elf_r_symndx_32 (bfd_vma r_info)
796 return ELF32_R_SYM (r_info);
801 #define PLT32_ENTRY_SIZE 12
802 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
804 /* The first four entries in a 32-bit procedure linkage table are reserved,
805 and the initial contents are unimportant (we zero them out).
806 Subsequent entries look like this. See the SVR4 ABI SPARC
807 supplement to see how this works. */
809 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
810 #define PLT32_ENTRY_WORD0 0x03000000
811 /* b,a .plt0. We fill in the offset later. */
812 #define PLT32_ENTRY_WORD1 0x30800000
814 #define PLT32_ENTRY_WORD2 SPARC_NOP
817 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
818 bfd_vma max ATTRIBUTE_UNUSED,
821 bfd_put_32 (output_bfd,
822 PLT32_ENTRY_WORD0 + offset,
823 splt->contents + offset);
824 bfd_put_32 (output_bfd,
826 + (((- (offset + 4)) >> 2) & 0x3fffff)),
827 splt->contents + offset + 4);
828 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
829 splt->contents + offset + 8);
833 return offset / PLT32_ENTRY_SIZE - 4;
836 /* Both the headers and the entries are icache aligned. */
837 #define PLT64_ENTRY_SIZE 32
838 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
839 #define PLT64_LARGE_THRESHOLD 32768
842 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
843 bfd_vma max, bfd_vma *r_offset)
845 unsigned char *entry = splt->contents + offset;
846 const unsigned int nop = SPARC_NOP;
849 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
851 unsigned int sethi, ba;
855 plt_index = (offset / PLT64_ENTRY_SIZE);
857 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
859 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
861 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
862 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
863 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
864 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
865 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
866 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
867 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
868 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
874 int block, last_block, ofs, last_ofs, chunks_this_block;
875 const int insn_chunk_size = (6 * 4);
876 const int ptr_chunk_size = (1 * 8);
877 const int entries_per_block = 160;
878 const int block_size = entries_per_block * (insn_chunk_size
881 /* Entries 32768 and higher are grouped into blocks of 160.
882 The blocks are further subdivided into 160 sequences of
883 6 instructions and 160 pointers. If a block does not require
884 the full 160 entries, let's say it requires N, then there
885 will be N sequences of 6 instructions and N pointers. */
887 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
888 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
890 block = offset / block_size;
891 last_block = max / block_size;
892 if (block != last_block)
894 chunks_this_block = 160;
898 last_ofs = max % block_size;
899 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
902 ofs = offset % block_size;
904 plt_index = (PLT64_LARGE_THRESHOLD +
906 (ofs / insn_chunk_size));
909 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
910 + (block * block_size)
911 + (chunks_this_block * insn_chunk_size)
912 + (ofs / insn_chunk_size) * ptr_chunk_size;
914 *r_offset = (bfd_vma) (ptr - splt->contents);
916 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
924 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
925 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
926 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
927 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
928 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
929 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
931 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
934 return plt_index - 4;
937 /* The format of the first PLT entry in a VxWorks executable. */
938 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
940 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
941 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
942 0xc4008000, /* ld [ %g2 ], %g2 */
943 0x81c08000, /* jmp %g2 */
947 /* The format of subsequent PLT entries. */
948 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
950 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
951 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
952 0xc2004000, /* ld [ %g1 ], %g1 */
953 0x81c04000, /* jmp %g1 */
954 0x01000000, /* nop */
955 0x03000000, /* sethi %hi(f@pltindex), %g1 */
956 0x10800000, /* b _PLT_resolve */
957 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
960 /* The format of the first PLT entry in a VxWorks shared object. */
961 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
963 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
964 0x81c08000, /* jmp %g2 */
968 /* The format of subsequent PLT entries. */
969 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
971 0x03000000, /* sethi %hi(f@got), %g1 */
972 0x82106000, /* or %g1, %lo(f@got), %g1 */
973 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
974 0x81c04000, /* jmp %g1 */
975 0x01000000, /* nop */
976 0x03000000, /* sethi %hi(f@pltindex), %g1 */
977 0x10800000, /* b _PLT_resolve */
978 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
981 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
982 htab->put_word(bfd, val, ptr)
984 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
985 htab->r_info(in_rel, index, type)
987 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
988 htab->r_symndx(r_info)
990 #define SPARC_ELF_WORD_BYTES(htab) \
993 #define SPARC_ELF_RELA_BYTES(htab) \
996 #define SPARC_ELF_DTPOFF_RELOC(htab) \
999 #define SPARC_ELF_DTPMOD_RELOC(htab) \
1002 #define SPARC_ELF_TPOFF_RELOC(htab) \
1005 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1006 htab->build_plt_entry (obfd, splt, off, max, r_off)
1008 /* Create an entry in an SPARC ELF linker hash table. */
1010 static struct bfd_hash_entry *
1011 link_hash_newfunc (struct bfd_hash_entry *entry,
1012 struct bfd_hash_table *table, const char *string)
1014 /* Allocate the structure if it has not already been allocated by a
1018 entry = bfd_hash_allocate (table,
1019 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1024 /* Call the allocation method of the superclass. */
1025 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1028 struct _bfd_sparc_elf_link_hash_entry *eh;
1030 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1031 eh->dyn_relocs = NULL;
1032 eh->tls_type = GOT_UNKNOWN;
1033 eh->has_got_reloc = 0;
1034 eh->has_non_got_reloc = 0;
1040 /* The name of the dynamic interpreter. This is put in the .interp
1043 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1044 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1046 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1047 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1048 as global symbol. We reuse indx and dynstr_index for local symbol
1049 hash since they aren't used by global symbols in this backend. */
1052 elf_sparc_local_htab_hash (const void *ptr)
1054 struct elf_link_hash_entry *h
1055 = (struct elf_link_hash_entry *) ptr;
1056 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1059 /* Compare local hash entries. */
1062 elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1064 struct elf_link_hash_entry *h1
1065 = (struct elf_link_hash_entry *) ptr1;
1066 struct elf_link_hash_entry *h2
1067 = (struct elf_link_hash_entry *) ptr2;
1069 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1072 /* Find and/or create a hash entry for local symbol. */
1074 static struct elf_link_hash_entry *
1075 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1076 bfd *abfd, const Elf_Internal_Rela *rel,
1079 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1080 asection *sec = abfd->sections;
1081 unsigned long r_symndx;
1085 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1086 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1088 e.elf.indx = sec->id;
1089 e.elf.dynstr_index = r_symndx;
1090 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1091 create ? INSERT : NO_INSERT);
1098 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1102 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1103 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1104 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1107 memset (ret, 0, sizeof (*ret));
1108 ret->elf.indx = sec->id;
1109 ret->elf.dynstr_index = r_symndx;
1110 ret->elf.dynindx = -1;
1111 ret->elf.plt.offset = (bfd_vma) -1;
1112 ret->elf.got.offset = (bfd_vma) -1;
1118 /* Destroy a SPARC ELF linker hash table. */
1121 _bfd_sparc_elf_link_hash_table_free (bfd *obfd)
1123 struct _bfd_sparc_elf_link_hash_table *htab
1124 = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
1126 if (htab->loc_hash_table)
1127 htab_delete (htab->loc_hash_table);
1128 if (htab->loc_hash_memory)
1129 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1130 _bfd_elf_link_hash_table_free (obfd);
1133 /* Create a SPARC ELF linker hash table. */
1135 struct bfd_link_hash_table *
1136 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1138 struct _bfd_sparc_elf_link_hash_table *ret;
1139 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1141 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1145 if (ABI_64_P (abfd))
1147 ret->put_word = sparc_put_word_64;
1148 ret->r_info = sparc_elf_r_info_64;
1149 ret->r_symndx = sparc_elf_r_symndx_64;
1150 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1151 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1152 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1153 ret->word_align_power = 3;
1154 ret->align_power_max = 4;
1155 ret->bytes_per_word = 8;
1156 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1157 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1158 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1160 ret->build_plt_entry = sparc64_plt_entry_build;
1161 ret->plt_header_size = PLT64_HEADER_SIZE;
1162 ret->plt_entry_size = PLT64_ENTRY_SIZE;
1166 ret->put_word = sparc_put_word_32;
1167 ret->r_info = sparc_elf_r_info_32;
1168 ret->r_symndx = sparc_elf_r_symndx_32;
1169 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1170 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1171 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1172 ret->word_align_power = 2;
1173 ret->align_power_max = 3;
1174 ret->bytes_per_word = 4;
1175 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1176 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1177 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1179 ret->build_plt_entry = sparc32_plt_entry_build;
1180 ret->plt_header_size = PLT32_HEADER_SIZE;
1181 ret->plt_entry_size = PLT32_ENTRY_SIZE;
1184 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1185 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1192 ret->loc_hash_table = htab_try_create (1024,
1193 elf_sparc_local_htab_hash,
1194 elf_sparc_local_htab_eq,
1196 ret->loc_hash_memory = objalloc_create ();
1197 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1199 _bfd_sparc_elf_link_hash_table_free (abfd);
1202 ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
1204 return &ret->elf.root;
1207 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1208 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1212 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1213 struct bfd_link_info *info)
1215 struct _bfd_sparc_elf_link_hash_table *htab;
1217 htab = _bfd_sparc_elf_hash_table (info);
1218 BFD_ASSERT (htab != NULL);
1220 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1223 if (htab->is_vxworks)
1225 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1227 if (bfd_link_pic (info))
1229 htab->plt_header_size
1230 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1231 htab->plt_entry_size
1232 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1236 htab->plt_header_size
1237 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1238 htab->plt_entry_size
1239 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1243 if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
1244 || (!bfd_link_pic (info) && !htab->elf.srelbss))
1251 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1253 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1254 struct elf_link_hash_table *htab = elf_hash_table (info);
1255 flagword flags, pltflags;
1258 if (htab->irelifunc != NULL || htab->iplt != NULL)
1261 flags = bed->dynamic_sec_flags;
1262 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1264 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1266 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1270 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1271 flags | SEC_READONLY);
1273 || ! bfd_set_section_alignment (abfd, s,
1274 bed->s->log_file_align))
1281 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1284 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1285 struct elf_link_hash_entry *dir,
1286 struct elf_link_hash_entry *ind)
1288 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1290 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1291 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1293 if (eind->dyn_relocs != NULL)
1295 if (edir->dyn_relocs != NULL)
1297 struct elf_dyn_relocs **pp;
1298 struct elf_dyn_relocs *p;
1300 /* Add reloc counts against the indirect sym to the direct sym
1301 list. Merge any entries against the same section. */
1302 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1304 struct elf_dyn_relocs *q;
1306 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1307 if (q->sec == p->sec)
1309 q->pc_count += p->pc_count;
1310 q->count += p->count;
1317 *pp = edir->dyn_relocs;
1320 edir->dyn_relocs = eind->dyn_relocs;
1321 eind->dyn_relocs = NULL;
1324 if (ind->root.type == bfd_link_hash_indirect && dir->got.refcount <= 0)
1326 edir->tls_type = eind->tls_type;
1327 eind->tls_type = GOT_UNKNOWN;
1330 /* Copy has_got_reloc and has_non_got_reloc. */
1331 edir->has_got_reloc |= eind->has_got_reloc;
1332 edir->has_non_got_reloc |= eind->has_non_got_reloc;
1334 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1338 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1339 int r_type, int is_local)
1341 if (! ABI_64_P (abfd)
1342 && r_type == R_SPARC_TLS_GD_HI22
1343 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1344 return R_SPARC_REV32;
1346 if (!bfd_link_executable (info))
1351 case R_SPARC_TLS_GD_HI22:
1352 return is_local ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_IE_HI22;
1353 case R_SPARC_TLS_GD_LO10:
1354 return is_local ? R_SPARC_TLS_LE_LOX10 : R_SPARC_TLS_IE_LO10;
1355 case R_SPARC_TLS_LDM_HI22:
1356 return R_SPARC_TLS_LE_HIX22;
1357 case R_SPARC_TLS_LDM_LO10:
1358 return R_SPARC_TLS_LE_LOX10;
1359 case R_SPARC_TLS_IE_HI22:
1360 return is_local ? R_SPARC_TLS_LE_HIX22 : r_type;
1361 case R_SPARC_TLS_IE_LO10:
1362 return is_local ? R_SPARC_TLS_LE_LOX10 : r_type;
1368 /* Look through the relocs for a section during the first phase, and
1369 allocate space in the global offset table or procedure linkage
1373 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1374 asection *sec, const Elf_Internal_Rela *relocs)
1376 struct _bfd_sparc_elf_link_hash_table *htab;
1377 Elf_Internal_Shdr *symtab_hdr;
1378 struct elf_link_hash_entry **sym_hashes;
1379 const Elf_Internal_Rela *rel;
1380 const Elf_Internal_Rela *rel_end;
1383 bfd_boolean checked_tlsgd = FALSE;
1385 if (bfd_link_relocatable (info))
1388 htab = _bfd_sparc_elf_hash_table (info);
1389 BFD_ASSERT (htab != NULL);
1390 symtab_hdr = &elf_symtab_hdr (abfd);
1391 sym_hashes = elf_sym_hashes (abfd);
1395 if (ABI_64_P (abfd))
1396 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1398 num_relocs = sec->reloc_count;
1400 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1402 if (htab->elf.dynobj == NULL)
1403 htab->elf.dynobj = abfd;
1404 if (!create_ifunc_sections (htab->elf.dynobj, info))
1407 rel_end = relocs + num_relocs;
1408 for (rel = relocs; rel < rel_end; rel++)
1410 unsigned int r_type;
1411 unsigned int r_symndx;
1412 struct elf_link_hash_entry *h;
1413 struct _bfd_sparc_elf_link_hash_entry *eh;
1414 Elf_Internal_Sym *isym;
1416 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1417 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1419 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1421 /* xgettext:c-format */
1422 _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd, r_symndx);
1427 if (r_symndx < symtab_hdr->sh_info)
1429 /* A local symbol. */
1430 isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd, r_symndx);
1434 /* Check relocation against local STT_GNU_IFUNC symbol. */
1435 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1437 h = elf_sparc_get_local_sym_hash (htab, abfd, rel, TRUE);
1441 /* Fake a STT_GNU_IFUNC symbol. */
1442 h->type = STT_GNU_IFUNC;
1445 h->forced_local = 1;
1446 h->root.type = bfd_link_hash_defined;
1453 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1454 while (h->root.type == bfd_link_hash_indirect
1455 || h->root.type == bfd_link_hash_warning)
1456 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1459 if (h && h->type == STT_GNU_IFUNC && h->def_regular)
1462 h->plt.refcount += 1;
1465 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1466 with R_SPARC_TLS_GD_HI22. */
1467 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1470 case R_SPARC_TLS_GD_HI22:
1472 const Elf_Internal_Rela *relt;
1474 for (relt = rel + 1; relt < rel_end; relt++)
1475 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1476 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1477 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1479 checked_tlsgd = TRUE;
1480 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1483 case R_SPARC_TLS_GD_LO10:
1484 case R_SPARC_TLS_GD_ADD:
1485 case R_SPARC_TLS_GD_CALL:
1486 checked_tlsgd = TRUE;
1487 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1491 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1492 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1496 case R_SPARC_TLS_LDM_HI22:
1497 case R_SPARC_TLS_LDM_LO10:
1498 htab->tls_ldm_got.refcount += 1;
1500 eh->has_got_reloc = 1;
1503 case R_SPARC_TLS_LE_HIX22:
1504 case R_SPARC_TLS_LE_LOX10:
1505 if (!bfd_link_executable (info))
1509 case R_SPARC_TLS_IE_HI22:
1510 case R_SPARC_TLS_IE_LO10:
1511 if (!bfd_link_executable (info))
1512 info->flags |= DF_STATIC_TLS;
1518 case R_SPARC_GOTDATA_HIX22:
1519 case R_SPARC_GOTDATA_LOX10:
1520 case R_SPARC_GOTDATA_OP_HIX22:
1521 case R_SPARC_GOTDATA_OP_LOX10:
1522 case R_SPARC_TLS_GD_HI22:
1523 case R_SPARC_TLS_GD_LO10:
1524 /* This symbol requires a global offset table entry. */
1526 int tls_type, old_tls_type;
1530 case R_SPARC_TLS_GD_HI22:
1531 case R_SPARC_TLS_GD_LO10:
1532 tls_type = GOT_TLS_GD;
1534 case R_SPARC_TLS_IE_HI22:
1535 case R_SPARC_TLS_IE_LO10:
1536 tls_type = GOT_TLS_IE;
1539 tls_type = GOT_NORMAL;
1545 h->got.refcount += 1;
1546 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1550 bfd_signed_vma *local_got_refcounts;
1552 /* This is a global offset table entry for a local symbol. */
1553 local_got_refcounts = elf_local_got_refcounts (abfd);
1554 if (local_got_refcounts == NULL)
1558 size = symtab_hdr->sh_info;
1559 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1560 local_got_refcounts = ((bfd_signed_vma *)
1561 bfd_zalloc (abfd, size));
1562 if (local_got_refcounts == NULL)
1564 elf_local_got_refcounts (abfd) = local_got_refcounts;
1565 _bfd_sparc_elf_local_got_tls_type (abfd)
1566 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1569 if (r_type != R_SPARC_GOTDATA_OP_HIX22
1570 && r_type != R_SPARC_GOTDATA_OP_LOX10)
1571 local_got_refcounts[r_symndx] += 1;
1574 = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1577 /* If a TLS symbol is accessed using IE at least once, there is no
1578 point in using the dynamic model for it. */
1579 if (old_tls_type != tls_type)
1581 if (old_tls_type == GOT_UNKNOWN)
1583 else if (old_tls_type == GOT_TLS_GD && tls_type == GOT_TLS_IE)
1585 else if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1586 tls_type = old_tls_type;
1590 /* xgettext:c-format */
1591 (_("%pB: `%s' accessed both as normal and thread local symbol"),
1592 abfd, h ? h->root.root.string : "<local>");
1597 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1599 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1604 && !_bfd_elf_create_got_section (htab->elf.dynobj, info))
1609 eh->has_got_reloc = 1;
1610 if (r_type == R_SPARC_GOT10
1611 || r_type == R_SPARC_GOT13
1612 || r_type == R_SPARC_GOT22)
1613 eh->has_old_style_got_reloc = 1;
1617 case R_SPARC_TLS_GD_CALL:
1618 case R_SPARC_TLS_LDM_CALL:
1619 if (bfd_link_executable (info))
1622 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1623 h = (struct elf_link_hash_entry *)
1624 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
1626 BFD_ASSERT (h != NULL);
1629 case R_SPARC_WPLT30:
1632 case R_SPARC_HIPLT22:
1633 case R_SPARC_LOPLT10:
1634 case R_SPARC_PCPLT32:
1635 case R_SPARC_PCPLT22:
1636 case R_SPARC_PCPLT10:
1637 /* This symbol requires a procedure linkage table entry.
1638 We actually build the entry in adjust_dynamic_symbol,
1639 because this might be a case of linking PIC code without
1640 linking in any dynamic objects, in which case we don't
1641 need to generate a procedure linkage table after all. */
1645 if (! ABI_64_P (abfd))
1647 /* The Solaris native assembler will generate a WPLT30
1648 reloc for a local symbol if you assemble a call from
1649 one section to another when using -K pic. We treat
1651 if (r_type == R_SPARC_PLT32)
1655 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1656 else if (r_type == R_SPARC_WPLT30)
1659 /* It does not make sense to have a procedure linkage
1660 table entry for a local symbol. */
1661 bfd_set_error (bfd_error_bad_value);
1667 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
1670 h->plt.refcount += 1;
1672 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1673 eh->has_got_reloc = 1;
1678 case R_SPARC_PC_HH22:
1679 case R_SPARC_PC_HM10:
1680 case R_SPARC_PC_LM22:
1685 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1690 case R_SPARC_DISP16:
1691 case R_SPARC_DISP32:
1692 case R_SPARC_DISP64:
1693 case R_SPARC_WDISP30:
1694 case R_SPARC_WDISP22:
1695 case R_SPARC_WDISP19:
1696 case R_SPARC_WDISP16:
1697 case R_SPARC_WDISP10:
1727 if (eh != NULL && (sec->flags & SEC_CODE) != 0)
1728 eh->has_non_got_reloc = 1;
1731 if (h != NULL && !bfd_link_pic (info))
1733 /* We may need a .plt entry if the function this reloc
1734 refers to is in a shared lib. */
1735 h->plt.refcount += 1;
1738 /* If we are creating a shared library, and this is a reloc
1739 against a global symbol, or a non PC relative reloc
1740 against a local symbol, then we need to copy the reloc
1741 into the shared library. However, if we are linking with
1742 -Bsymbolic, we do not need to copy a reloc against a
1743 global symbol which is defined in an object we are
1744 including in the link (i.e., DEF_REGULAR is set). At
1745 this point we have not seen all the input files, so it is
1746 possible that DEF_REGULAR is not set now but will be set
1747 later (it is never cleared). In case of a weak definition,
1748 DEF_REGULAR may be cleared later by a strong definition in
1749 a shared library. We account for that possibility below by
1750 storing information in the relocs_copied field of the hash
1751 table entry. A similar situation occurs when creating
1752 shared libraries and symbol visibility changes render the
1755 If on the other hand, we are creating an executable, we
1756 may need to keep relocations for symbols satisfied by a
1757 dynamic library if we manage to avoid copy relocs for the
1759 if ((bfd_link_pic (info)
1760 && (sec->flags & SEC_ALLOC) != 0
1761 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1763 && (! SYMBOLIC_BIND (info, h)
1764 || h->root.type == bfd_link_hash_defweak
1765 || !h->def_regular))))
1766 || (!bfd_link_pic (info)
1767 && (sec->flags & SEC_ALLOC) != 0
1769 && (h->root.type == bfd_link_hash_defweak
1770 || !h->def_regular))
1771 || (!bfd_link_pic (info)
1773 && h->type == STT_GNU_IFUNC))
1775 struct elf_dyn_relocs *p;
1776 struct elf_dyn_relocs **head;
1778 /* When creating a shared object, we must copy these
1779 relocs into the output file. We create a reloc
1780 section in dynobj and make room for the reloc. */
1783 sreloc = _bfd_elf_make_dynamic_reloc_section
1784 (sec, htab->elf.dynobj, htab->word_align_power,
1785 abfd, /*rela?*/ TRUE);
1791 /* If this is a global symbol, we count the number of
1792 relocations we need for this symbol. */
1794 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1797 /* Track dynamic relocs needed for local syms too.
1798 We really need local syms available to do this
1803 BFD_ASSERT (isym != NULL);
1804 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1808 vpp = &elf_section_data (s)->local_dynrel;
1809 head = (struct elf_dyn_relocs **) vpp;
1813 if (p == NULL || p->sec != sec)
1815 bfd_size_type amt = sizeof *p;
1816 p = ((struct elf_dyn_relocs *)
1817 bfd_alloc (htab->elf.dynobj, amt));
1828 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1834 case R_SPARC_GNU_VTINHERIT:
1835 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1839 case R_SPARC_GNU_VTENTRY:
1840 BFD_ASSERT (h != NULL);
1842 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1846 case R_SPARC_REGISTER:
1847 /* Nothing to do. */
1859 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1860 struct bfd_link_info *info,
1861 Elf_Internal_Rela *rel,
1862 struct elf_link_hash_entry *h,
1863 Elf_Internal_Sym *sym)
1866 switch (SPARC_ELF_R_TYPE (rel->r_info))
1868 case R_SPARC_GNU_VTINHERIT:
1869 case R_SPARC_GNU_VTENTRY:
1873 if (!bfd_link_executable (info))
1875 switch (SPARC_ELF_R_TYPE (rel->r_info))
1877 case R_SPARC_TLS_GD_CALL:
1878 case R_SPARC_TLS_LDM_CALL:
1879 /* This reloc implicitly references __tls_get_addr. We know
1880 another reloc will reference the same symbol as the one
1881 on this reloc, so the real symbol and section will be
1882 gc marked when processing the other reloc. That lets
1883 us handle __tls_get_addr here. */
1884 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1885 FALSE, FALSE, TRUE);
1886 BFD_ASSERT (h != NULL);
1888 if (h->is_weakalias)
1889 weakdef (h)->mark = 1;
1894 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1897 static Elf_Internal_Rela *
1898 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1899 Elf_Internal_Rela *relend,
1902 while (rel < relend)
1904 if (rel->r_offset == offset)
1911 /* Remove undefined weak symbol from the dynamic symbol table if it
1912 is resolved to 0. */
1915 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
1916 struct elf_link_hash_entry *h)
1918 if (h->dynindx != -1
1919 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
1920 _bfd_sparc_elf_hash_entry (h)))
1923 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
1929 /* Find dynamic relocs for H that apply to read-only sections. */
1932 readonly_dynrelocs (struct elf_link_hash_entry *h)
1934 struct elf_dyn_relocs *p;
1936 for (p = _bfd_sparc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
1938 asection *s = p->sec->output_section;
1940 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1946 /* Adjust a symbol defined by a dynamic object and referenced by a
1947 regular object. The current definition is in some section of the
1948 dynamic object, but we're not including those sections. We have to
1949 change the definition to something the rest of the link can
1953 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1954 struct elf_link_hash_entry *h)
1956 struct _bfd_sparc_elf_link_hash_table *htab;
1959 htab = _bfd_sparc_elf_hash_table (info);
1960 BFD_ASSERT (htab != NULL);
1962 /* Make sure we know what is going on here. */
1963 BFD_ASSERT (htab->elf.dynobj != NULL
1965 || h->type == STT_GNU_IFUNC
1969 && !h->def_regular)));
1971 /* If this is a function, put it in the procedure linkage table. We
1972 will fill in the contents of the procedure linkage table later
1973 (although we could actually do it here). The STT_NOTYPE
1974 condition is a hack specifically for the Oracle libraries
1975 delivered for Solaris; for some inexplicable reason, they define
1976 some of their functions as STT_NOTYPE when they really should be
1978 if (h->type == STT_FUNC
1979 || h->type == STT_GNU_IFUNC
1981 || (h->type == STT_NOTYPE
1982 && (h->root.type == bfd_link_hash_defined
1983 || h->root.type == bfd_link_hash_defweak)
1984 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1986 if (h->plt.refcount <= 0
1987 || (h->type != STT_GNU_IFUNC
1988 && (SYMBOL_CALLS_LOCAL (info, h)
1989 || (h->root.type == bfd_link_hash_undefweak
1990 && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT))))
1992 /* This case can occur if we saw a WPLT30 reloc in an input
1993 file, but the symbol was never referred to by a dynamic
1994 object, or if all references were garbage collected. In
1995 such a case, we don't actually need to build a procedure
1996 linkage table, and we can just do a WDISP30 reloc instead. */
1997 h->plt.offset = (bfd_vma) -1;
2004 h->plt.offset = (bfd_vma) -1;
2006 /* If this is a weak symbol, and there is a real definition, the
2007 processor independent code will have arranged for us to see the
2008 real definition first, and we can just use the same value. */
2009 if (h->is_weakalias)
2011 struct elf_link_hash_entry *def = weakdef (h);
2012 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2013 h->root.u.def.section = def->root.u.def.section;
2014 h->root.u.def.value = def->root.u.def.value;
2018 /* This is a reference to a symbol defined by a dynamic object which
2019 is not a function. */
2021 /* If we are creating a shared library, we must presume that the
2022 only references to the symbol are via the global offset table.
2023 For such cases we need not do anything here; the relocations will
2024 be handled correctly by relocate_section. */
2025 if (bfd_link_pic (info))
2028 /* If there are no references to this symbol that do not use the
2029 GOT, we don't need to generate a copy reloc. */
2030 if (!h->non_got_ref)
2033 /* If -z nocopyreloc was given, we won't generate them either. */
2034 if (info->nocopyreloc)
2040 /* If we don't find any dynamic relocs in read-only sections, then
2041 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2042 if (!readonly_dynrelocs (h))
2048 /* We must allocate the symbol in our .dynbss section, which will
2049 become part of the .bss section of the executable. There will be
2050 an entry for this symbol in the .dynsym section. The dynamic
2051 object will contain position independent code, so all references
2052 from the dynamic object to this symbol will go through the global
2053 offset table. The dynamic linker will use the .dynsym entry to
2054 determine the address it must put in the global offset table, so
2055 both the dynamic object and the regular object will refer to the
2056 same memory location for the variable. */
2058 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2059 to copy the initial value out of the dynamic object and into the
2060 runtime process image. We need to remember the offset into the
2061 .rel.bss section we are going to use. */
2062 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2064 s = htab->elf.sdynrelro;
2065 srel = htab->elf.sreldynrelro;
2069 s = htab->elf.sdynbss;
2070 srel = htab->elf.srelbss;
2072 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2074 srel->size += SPARC_ELF_RELA_BYTES (htab);
2078 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2081 /* Allocate space in .plt, .got and associated reloc sections for
2085 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2087 struct bfd_link_info *info;
2088 struct _bfd_sparc_elf_link_hash_table *htab;
2089 struct _bfd_sparc_elf_link_hash_entry *eh;
2090 struct elf_dyn_relocs *p;
2091 bfd_boolean resolved_to_zero;
2093 if (h->root.type == bfd_link_hash_indirect)
2096 info = (struct bfd_link_info *) inf;
2097 htab = _bfd_sparc_elf_hash_table (info);
2098 BFD_ASSERT (htab != NULL);
2100 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2101 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
2103 if ((htab->elf.dynamic_sections_created
2104 && h->plt.refcount > 0)
2105 || (h->type == STT_GNU_IFUNC
2109 /* Undefined weak syms won't yet be marked as dynamic. */
2110 if (h->root.type == bfd_link_hash_undefweak
2111 && !resolved_to_zero
2113 && !h->forced_local)
2115 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2119 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2120 || (h->type == STT_GNU_IFUNC
2123 asection *s = htab->elf.splt;
2128 /* Allocate room for the header. */
2131 s->size = htab->plt_header_size;
2133 /* Allocate space for the .rela.plt.unloaded relocations. */
2134 if (htab->is_vxworks && !bfd_link_pic (info))
2135 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2138 /* The procedure linkage table size is bounded by the magnitude
2139 of the offset we can describe in the entry. */
2140 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2141 (((bfd_vma)1 << 31) << 1) : 0x400000))
2143 bfd_set_error (bfd_error_bad_value);
2147 if (SPARC_ELF_WORD_BYTES(htab) == 8
2148 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2150 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2153 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2155 h->plt.offset = (s->size - (off * 8));
2158 h->plt.offset = s->size;
2160 /* If this symbol is not defined in a regular file, and we are
2161 not generating a shared library, then set the symbol to this
2162 location in the .plt. This is required to make function
2163 pointers compare as equal between the normal executable and
2164 the shared library. */
2165 if (! bfd_link_pic (info)
2168 h->root.u.def.section = s;
2169 h->root.u.def.value = h->plt.offset;
2172 /* Make room for this entry. */
2173 s->size += htab->plt_entry_size;
2175 /* There should be no PLT relocations against resolved undefined
2176 weak symbols in the executable. */
2177 if (!resolved_to_zero)
2179 /* We also need to make an entry in the .rela.plt section. */
2180 if (s == htab->elf.splt)
2181 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2183 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2186 if (htab->is_vxworks)
2188 /* Allocate space for the .got.plt entry. */
2189 htab->elf.sgotplt->size += 4;
2191 /* ...and for the .rela.plt.unloaded relocations. */
2192 if (!bfd_link_pic (info))
2193 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2198 h->plt.offset = (bfd_vma) -1;
2204 h->plt.offset = (bfd_vma) -1;
2208 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2209 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2210 if (h->got.refcount > 0
2211 && bfd_link_executable (info)
2213 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2214 h->got.offset = (bfd_vma) -1;
2215 else if (h->got.refcount > 0)
2219 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2221 /* Undefined weak syms won't yet be marked as dynamic. */
2222 if (h->root.type == bfd_link_hash_undefweak
2223 && !resolved_to_zero
2225 && !h->forced_local)
2227 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2232 h->got.offset = s->size;
2233 s->size += SPARC_ELF_WORD_BYTES (htab);
2234 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2235 if (tls_type == GOT_TLS_GD)
2236 s->size += SPARC_ELF_WORD_BYTES (htab);
2237 dyn = htab->elf.dynamic_sections_created;
2238 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2239 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
2240 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2241 || tls_type == GOT_TLS_IE
2242 || h->type == STT_GNU_IFUNC)
2243 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2244 else if (tls_type == GOT_TLS_GD)
2245 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2246 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)
2247 /* Even if the symbol isn't dynamic, we may generate a
2248 reloc for the dynamic linker in PIC mode. */
2249 || (h->dynindx == -1
2251 && h->root.type != bfd_link_hash_undefweak
2252 && bfd_link_pic (info)))
2253 /* No dynamic relocations are needed against resolved
2254 undefined weak symbols in an executable. */
2255 && !(h->root.type == bfd_link_hash_undefweak
2256 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2257 || resolved_to_zero)))
2258 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2261 h->got.offset = (bfd_vma) -1;
2263 if (eh->dyn_relocs == NULL)
2266 /* In the shared -Bsymbolic case, discard space allocated for
2267 dynamic pc-relative relocs against symbols which turn out to be
2268 defined in regular objects. For the normal shared case, discard
2269 space for pc-relative relocs that have become local due to symbol
2270 visibility changes. */
2272 if (bfd_link_pic (info))
2274 if (SYMBOL_CALLS_LOCAL (info, h))
2276 struct elf_dyn_relocs **pp;
2278 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2280 p->count -= p->pc_count;
2289 if (htab->is_vxworks)
2291 struct elf_dyn_relocs **pp;
2293 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2295 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2302 /* Also discard relocs on undefined weak syms with non-default
2303 visibility or in PIE. */
2304 if (eh->dyn_relocs != NULL
2305 && h->root.type == bfd_link_hash_undefweak)
2307 /* An undefined weak symbol is never
2308 bound locally in a shared library. */
2310 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2311 || resolved_to_zero)
2315 /* Keep dynamic non-GOT/non-PLT relocation so that we
2316 can branch to 0 without PLT. */
2317 struct elf_dyn_relocs **pp;
2319 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2320 if (p->pc_count == 0)
2324 /* Remove other relocations. */
2325 p->count = p->pc_count;
2329 if (eh->dyn_relocs != NULL)
2331 /* Make sure undefined weak symbols are output
2332 as dynamic symbols in PIEs for dynamic non-GOT
2333 non-PLT reloations. */
2334 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2339 eh->dyn_relocs = NULL;
2342 /* Make sure undefined weak symbols are output as a dynamic
2344 else if (h->dynindx == -1
2345 && !h->forced_local)
2347 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2354 /* For the non-shared case, discard space for relocs against
2355 symbols which turn out to need copy relocs or are not
2358 if ((!h->non_got_ref
2359 || (h->root.type == bfd_link_hash_undefweak
2360 && !resolved_to_zero))
2363 || (htab->elf.dynamic_sections_created
2364 && (h->root.type == bfd_link_hash_undefweak
2365 || h->root.type == bfd_link_hash_undefined))))
2367 /* Undefined weak syms won't yet be marked as dynamic. */
2368 if (h->root.type == bfd_link_hash_undefweak
2369 && !resolved_to_zero
2371 && !h->forced_local)
2373 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2377 /* If that succeeded, we know we'll be keeping all the
2379 if (h->dynindx != -1)
2383 eh->dyn_relocs = NULL;
2388 /* Finally, allocate space. */
2389 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2391 asection *sreloc = elf_section_data (p->sec)->sreloc;
2392 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2398 /* Allocate space in .plt, .got and associated reloc sections for
2399 local dynamic relocs. */
2402 allocate_local_dynrelocs (void **slot, void *inf)
2404 struct elf_link_hash_entry *h
2405 = (struct elf_link_hash_entry *) *slot;
2407 if (h->type != STT_GNU_IFUNC
2411 || h->root.type != bfd_link_hash_defined)
2414 return allocate_dynrelocs (h, inf);
2417 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2418 read-only sections. */
2421 maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2425 if (h->root.type == bfd_link_hash_indirect)
2428 sec = readonly_dynrelocs (h);
2431 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2433 info->flags |= DF_TEXTREL;
2434 info->callbacks->minfo
2435 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
2436 sec->owner, h->root.root.string, sec);
2438 /* Not an error, just cut short the traversal. */
2444 /* Return true if the dynamic symbol for a given section should be
2445 omitted when creating a shared library. */
2448 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2449 struct bfd_link_info *info,
2452 /* We keep the .got section symbol so that explicit relocations
2453 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2454 can be turned into relocations against the .got symbol. */
2455 if (strcmp (p->name, ".got") == 0)
2458 return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
2461 /* Set the sizes of the dynamic sections. */
2464 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2465 struct bfd_link_info *info)
2467 struct _bfd_sparc_elf_link_hash_table *htab;
2472 htab = _bfd_sparc_elf_hash_table (info);
2473 BFD_ASSERT (htab != NULL);
2474 dynobj = htab->elf.dynobj;
2475 BFD_ASSERT (dynobj != NULL);
2477 if (elf_hash_table (info)->dynamic_sections_created)
2479 /* Set the contents of the .interp section to the interpreter. */
2480 if (bfd_link_executable (info) && !info->nointerp)
2482 s = bfd_get_linker_section (dynobj, ".interp");
2483 BFD_ASSERT (s != NULL);
2484 s->size = htab->dynamic_interpreter_size;
2485 s->contents = (unsigned char *) htab->dynamic_interpreter;
2490 /* Set up .got offsets for local syms, and space for local dynamic
2492 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2494 bfd_signed_vma *local_got;
2495 bfd_signed_vma *end_local_got;
2496 char *local_tls_type;
2497 bfd_size_type locsymcount;
2498 Elf_Internal_Shdr *symtab_hdr;
2501 if (! is_sparc_elf (ibfd))
2504 for (s = ibfd->sections; s != NULL; s = s->next)
2506 struct elf_dyn_relocs *p;
2508 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2510 if (!bfd_is_abs_section (p->sec)
2511 && bfd_is_abs_section (p->sec->output_section))
2513 /* Input section has been discarded, either because
2514 it is a copy of a linkonce section or due to
2515 linker script /DISCARD/, so we'll be discarding
2518 else if (htab->is_vxworks
2519 && strcmp (p->sec->output_section->name,
2522 /* Relocations in vxworks .tls_vars sections are
2523 handled specially by the loader. */
2525 else if (p->count != 0)
2527 srel = elf_section_data (p->sec)->sreloc;
2528 if (!htab->elf.dynamic_sections_created)
2529 srel = htab->elf.irelplt;
2530 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2531 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2533 info->flags |= DF_TEXTREL;
2534 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2535 p->sec->owner, p->sec);
2541 local_got = elf_local_got_refcounts (ibfd);
2545 symtab_hdr = &elf_symtab_hdr (ibfd);
2546 locsymcount = symtab_hdr->sh_info;
2547 end_local_got = local_got + locsymcount;
2548 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2550 srel = htab->elf.srelgot;
2551 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2555 *local_got = s->size;
2556 s->size += SPARC_ELF_WORD_BYTES (htab);
2557 if (*local_tls_type == GOT_TLS_GD)
2558 s->size += SPARC_ELF_WORD_BYTES (htab);
2559 if (bfd_link_pic (info)
2560 || *local_tls_type == GOT_TLS_GD
2561 || *local_tls_type == GOT_TLS_IE)
2562 srel->size += SPARC_ELF_RELA_BYTES (htab);
2565 *local_got = (bfd_vma) -1;
2569 if (htab->tls_ldm_got.refcount > 0)
2571 /* Allocate 2 got entries and 1 dynamic reloc for
2572 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2573 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2574 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2575 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2578 htab->tls_ldm_got.offset = -1;
2580 /* Allocate global sym .plt and .got entries, and space for global
2581 sym dynamic relocs. */
2582 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2584 /* Allocate .plt and .got entries, and space for local symbols. */
2585 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2587 if (! ABI_64_P (output_bfd)
2588 && !htab->is_vxworks
2589 && elf_hash_table (info)->dynamic_sections_created)
2591 /* Make space for the trailing nop in .plt. */
2592 if (htab->elf.splt->size > 0)
2593 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2595 /* If the .got section is more than 0x1000 bytes, we add
2596 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2597 bit relocations have a greater chance of working.
2599 FIXME: Make this optimization work for 64-bit too. */
2600 if (htab->elf.sgot->size >= 0x1000
2601 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2602 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2605 /* The check_relocs and adjust_dynamic_symbol entry points have
2606 determined the sizes of the various dynamic sections. Allocate
2608 for (s = dynobj->sections; s != NULL; s = s->next)
2610 if ((s->flags & SEC_LINKER_CREATED) == 0)
2613 if (s == htab->elf.splt
2614 || s == htab->elf.sgot
2615 || s == htab->elf.sdynbss
2616 || s == htab->elf.sdynrelro
2617 || s == htab->elf.iplt
2618 || s == htab->elf.sgotplt)
2620 /* Strip this section if we don't need it; see the
2623 else if (CONST_STRNEQ (s->name, ".rela"))
2627 /* We use the reloc_count field as a counter if we need
2628 to copy relocs into the output file. */
2634 /* It's not one of our sections. */
2640 /* If we don't need this section, strip it from the
2641 output file. This is mostly to handle .rela.bss and
2642 .rela.plt. We must create both sections in
2643 create_dynamic_sections, because they must be created
2644 before the linker maps input sections to output
2645 sections. The linker does that before
2646 adjust_dynamic_symbol is called, and it is that
2647 function which decides whether anything needs to go
2648 into these sections. */
2649 s->flags |= SEC_EXCLUDE;
2653 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2656 /* Allocate memory for the section contents. Zero the memory
2657 for the benefit of .rela.plt, which has 4 unused entries
2658 at the beginning, and we don't want garbage. */
2659 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2660 if (s->contents == NULL)
2664 if (elf_hash_table (info)->dynamic_sections_created)
2666 /* Add some entries to the .dynamic section. We fill in the
2667 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2668 must add the entries now so that we get the correct size for
2669 the .dynamic section. The DT_DEBUG entry is filled in by the
2670 dynamic linker and used by the debugger. */
2671 #define add_dynamic_entry(TAG, VAL) \
2672 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2674 if (bfd_link_executable (info))
2676 if (!add_dynamic_entry (DT_DEBUG, 0))
2680 if (htab->elf.srelplt->size != 0)
2682 if (!add_dynamic_entry (DT_PLTGOT, 0)
2683 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2684 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2685 || !add_dynamic_entry (DT_JMPREL, 0))
2689 if (!add_dynamic_entry (DT_RELA, 0)
2690 || !add_dynamic_entry (DT_RELASZ, 0)
2691 || !add_dynamic_entry (DT_RELAENT,
2692 SPARC_ELF_RELA_BYTES (htab)))
2695 /* If any dynamic relocs apply to a read-only section,
2696 then we need a DT_TEXTREL entry. */
2697 if ((info->flags & DF_TEXTREL) == 0)
2698 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
2700 if (info->flags & DF_TEXTREL)
2702 if (!add_dynamic_entry (DT_TEXTREL, 0))
2706 if (ABI_64_P (output_bfd))
2709 struct _bfd_sparc_elf_app_reg * app_regs;
2710 struct elf_strtab_hash *dynstr;
2711 struct elf_link_hash_table *eht = elf_hash_table (info);
2713 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2714 entries if needed. */
2715 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2716 dynstr = eht->dynstr;
2718 for (reg = 0; reg < 4; reg++)
2719 if (app_regs [reg].name != NULL)
2721 struct elf_link_local_dynamic_entry *entry, *e;
2723 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2726 entry = (struct elf_link_local_dynamic_entry *)
2727 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2731 /* We cheat here a little bit: the symbol will not be local, so we
2732 put it at the end of the dynlocal linked list. We will fix it
2733 later on, as we have to fix other fields anyway. */
2734 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2735 entry->isym.st_size = 0;
2736 if (*app_regs [reg].name != '\0')
2738 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2740 entry->isym.st_name = 0;
2741 entry->isym.st_other = 0;
2742 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2744 entry->isym.st_shndx = app_regs [reg].shndx;
2745 entry->isym.st_target_internal = 0;
2747 entry->input_bfd = output_bfd;
2748 entry->input_indx = -1;
2750 if (eht->dynlocal == NULL)
2751 eht->dynlocal = entry;
2754 for (e = eht->dynlocal; e->next; e = e->next)
2761 if (htab->is_vxworks
2762 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2765 #undef add_dynamic_entry
2771 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2773 if (!sec->used_by_bfd)
2775 struct _bfd_sparc_elf_section_data *sdata;
2776 bfd_size_type amt = sizeof (*sdata);
2778 sdata = bfd_zalloc (abfd, amt);
2781 sec->used_by_bfd = sdata;
2784 return _bfd_elf_new_section_hook (abfd, sec);
2788 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2789 struct bfd_section *section,
2790 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2793 if (bfd_link_relocatable (link_info))
2794 (*link_info->callbacks->einfo)
2795 (_("%P%F: --relax and -r may not be used together\n"));
2798 sec_do_relax (section) = 1;
2802 /* Return the base VMA address which should be subtracted from real addresses
2803 when resolving @dtpoff relocation.
2804 This is PT_TLS segment p_vaddr. */
2807 dtpoff_base (struct bfd_link_info *info)
2809 /* If tls_sec is NULL, we should have signalled an error already. */
2810 if (elf_hash_table (info)->tls_sec == NULL)
2812 return elf_hash_table (info)->tls_sec->vma;
2815 /* Return the relocation value for @tpoff relocation
2816 if STT_TLS virtual address is ADDRESS. */
2819 tpoff (struct bfd_link_info *info, bfd_vma address)
2821 struct elf_link_hash_table *htab = elf_hash_table (info);
2822 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2823 bfd_vma static_tls_size;
2825 /* If tls_sec is NULL, we should have signalled an error already. */
2826 if (htab->tls_sec == NULL)
2829 /* Consider special static TLS alignment requirements. */
2830 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2831 return address - static_tls_size - htab->tls_sec->vma;
2834 /* Return the relocation value for a %gdop relocation. */
2837 gdopoff (struct bfd_link_info *info, bfd_vma address)
2839 struct elf_link_hash_table *htab = elf_hash_table (info);
2842 got_base = (htab->hgot->root.u.def.value
2843 + htab->hgot->root.u.def.section->output_offset
2844 + htab->hgot->root.u.def.section->output_section->vma);
2846 return address - got_base;
2849 /* Return whether H is local and its ADDRESS is within 4G of
2850 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2851 sethi, xor sequence. */
2854 gdop_relative_offset_ok (struct bfd_link_info *info,
2855 struct elf_link_hash_entry *h,
2856 bfd_vma address ATTRIBUTE_UNUSED)
2858 if (!SYMBOL_REFERENCES_LOCAL (info, h))
2860 /* If H is undefined, ADDRESS will be zero. We can't allow a
2861 relative offset to "zero" when producing PIEs or shared libs.
2862 Note that to get here with an undefined symbol it must also be
2863 hidden or internal visibility. */
2864 if (bfd_link_pic (info)
2866 && (h->root.type == bfd_link_hash_undefweak
2867 || h->root.type == bfd_link_hash_undefined))
2870 return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
2876 /* Relocate a SPARC ELF section. */
2879 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2880 struct bfd_link_info *info,
2882 asection *input_section,
2884 Elf_Internal_Rela *relocs,
2885 Elf_Internal_Sym *local_syms,
2886 asection **local_sections)
2888 struct _bfd_sparc_elf_link_hash_table *htab;
2889 Elf_Internal_Shdr *symtab_hdr;
2890 struct elf_link_hash_entry **sym_hashes;
2891 bfd_vma *local_got_offsets;
2894 Elf_Internal_Rela *rel;
2895 Elf_Internal_Rela *relend;
2897 bfd_boolean is_vxworks_tls;
2899 htab = _bfd_sparc_elf_hash_table (info);
2900 BFD_ASSERT (htab != NULL);
2901 symtab_hdr = &elf_symtab_hdr (input_bfd);
2902 sym_hashes = elf_sym_hashes (input_bfd);
2903 local_got_offsets = elf_local_got_offsets (input_bfd);
2905 if (elf_hash_table (info)->hgot == NULL)
2908 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2910 sreloc = elf_section_data (input_section)->sreloc;
2911 /* We have to handle relocations in vxworks .tls_vars sections
2912 specially, because the dynamic loader is 'weird'. */
2913 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
2914 && !strcmp (input_section->output_section->name,
2918 if (ABI_64_P (output_bfd))
2919 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2921 num_relocs = input_section->reloc_count;
2922 relend = relocs + num_relocs;
2923 for (; rel < relend; rel++)
2925 int r_type, tls_type;
2926 reloc_howto_type *howto;
2927 unsigned long r_symndx;
2928 struct elf_link_hash_entry *h;
2929 struct _bfd_sparc_elf_link_hash_entry *eh;
2930 Elf_Internal_Sym *sym;
2932 bfd_vma relocation, off;
2933 bfd_reloc_status_type r;
2934 bfd_boolean is_plt = FALSE;
2935 bfd_boolean unresolved_reloc;
2936 bfd_boolean resolved_to_zero;
2937 bfd_boolean relative_reloc;
2939 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2940 if (r_type == R_SPARC_GNU_VTINHERIT
2941 || r_type == R_SPARC_GNU_VTENTRY)
2944 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2946 bfd_set_error (bfd_error_bad_value);
2950 howto = _bfd_sparc_elf_howto_table + r_type;
2951 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2955 unresolved_reloc = FALSE;
2956 if (r_symndx < symtab_hdr->sh_info)
2958 sym = local_syms + r_symndx;
2959 sec = local_sections[r_symndx];
2960 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2962 if (!bfd_link_relocatable (info)
2963 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2965 /* Relocate against local STT_GNU_IFUNC symbol. */
2966 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
2971 /* Set STT_GNU_IFUNC symbol value. */
2972 h->root.u.def.value = sym->st_value;
2973 h->root.u.def.section = sec;
2978 bfd_boolean warned, ignored;
2980 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2981 r_symndx, symtab_hdr, sym_hashes,
2983 unresolved_reloc, warned, ignored);
2986 /* To avoid generating warning messages about truncated
2987 relocations, set the relocation's address to be the same as
2988 the start of this section. */
2989 if (input_section->output_section != NULL)
2990 relocation = input_section->output_section->vma;
2996 if (sec != NULL && discarded_section (sec))
2997 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2998 rel, 1, relend, howto, 0, contents);
3000 if (bfd_link_relocatable (info))
3004 && h->type == STT_GNU_IFUNC
3010 if ((input_section->flags & SEC_ALLOC) == 0
3011 || h->plt.offset == (bfd_vma) -1)
3013 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
3014 STT_GNU_IFUNC symbol as STT_FUNC. */
3015 if (elf_section_type (input_section) == SHT_NOTE)
3020 plt_sec = htab->elf.splt;
3022 plt_sec =htab->elf.iplt;
3026 case R_SPARC_GOTDATA_OP:
3029 case R_SPARC_GOTDATA_OP_HIX22:
3030 case R_SPARC_GOTDATA_OP_LOX10:
3031 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3034 howto = _bfd_sparc_elf_howto_table + r_type;
3040 if (htab->elf.sgot == NULL)
3042 off = h->got.offset;
3043 if (off == (bfd_vma) -1)
3045 relocation = htab->elf.sgot->output_offset + off - got_base;
3048 case R_SPARC_WPLT30:
3049 case R_SPARC_WDISP30:
3050 relocation = (plt_sec->output_section->vma
3051 + plt_sec->output_offset + h->plt.offset);
3056 if (bfd_link_pic (info) && h->non_got_ref)
3058 Elf_Internal_Rela outrel;
3061 offset = _bfd_elf_section_offset (output_bfd, info,
3064 if (offset == (bfd_vma) -1
3065 || offset == (bfd_vma) -2)
3068 outrel.r_offset = (input_section->output_section->vma
3069 + input_section->output_offset
3072 if (h->dynindx == -1
3074 || bfd_link_executable (info))
3076 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3077 0, R_SPARC_IRELATIVE);
3078 outrel.r_addend = relocation + rel->r_addend;
3082 if (h->dynindx == -1)
3084 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3085 outrel.r_addend = rel->r_addend;
3088 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3092 relocation = (plt_sec->output_section->vma
3093 + plt_sec->output_offset + h->plt.offset);
3098 /* We should only see such relocs in static links. */
3099 if (bfd_link_pic (info))
3101 relocation = (plt_sec->output_section->vma
3102 + plt_sec->output_offset + h->plt.offset);
3106 if (h->root.root.string)
3107 name = h->root.root.string;
3109 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3112 /* xgettext:c-format */
3113 (_("%pB: relocation %s against STT_GNU_IFUNC "
3114 "symbol `%s' isn't handled by %s"), input_bfd,
3115 _bfd_sparc_elf_howto_table[r_type].name,
3116 name, __FUNCTION__);
3117 bfd_set_error (bfd_error_bad_value);
3123 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
3124 resolved_to_zero = eh && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
3128 case R_SPARC_GOTDATA_OP_HIX22:
3129 case R_SPARC_GOTDATA_OP_LOX10:
3130 if (gdop_relative_offset_ok (info, h, relocation))
3132 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3133 ? R_SPARC_GOTDATA_HIX22
3134 : R_SPARC_GOTDATA_LOX10);
3135 howto = _bfd_sparc_elf_howto_table + r_type;
3139 case R_SPARC_GOTDATA_OP:
3140 if (gdop_relative_offset_ok (info, h, relocation))
3142 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3144 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3145 relocation = 0x80000000 | (insn & 0x3e07c01f);
3146 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3148 /* If the symbol is global but not dynamic, an .rela.* slot has
3149 been allocated for it in the GOT so output R_SPARC_NONE here,
3150 if it isn't also subject to another, old-style GOT relocation.
3151 See also the handling of these GOT relocations just below. */
3155 && h->root.type != bfd_link_hash_undefweak
3156 && !eh->has_old_style_got_reloc
3157 && (h->got.offset & 1) == 0
3158 && bfd_link_pic (info))
3160 asection *s = htab->elf.srelgot;
3161 Elf_Internal_Rela outrel;
3163 BFD_ASSERT (s != NULL);
3165 memset (&outrel, 0, sizeof outrel);
3166 sparc_elf_append_rela (output_bfd, s, &outrel);
3175 case R_SPARC_GOTDATA_HIX22:
3176 case R_SPARC_GOTDATA_LOX10:
3177 relocation = gdopoff (info, relocation);
3180 case R_SPARC_GOTDATA_OP_HIX22:
3181 case R_SPARC_GOTDATA_OP_LOX10:
3185 /* Relocation is to the entry for this symbol in the global
3187 if (htab->elf.sgot == NULL)
3190 relative_reloc = FALSE;
3195 off = h->got.offset;
3196 BFD_ASSERT (off != (bfd_vma) -1);
3197 dyn = elf_hash_table (info)->dynamic_sections_created;
3199 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3200 bfd_link_pic (info),
3202 || (bfd_link_pic (info)
3203 && SYMBOL_REFERENCES_LOCAL (info, h)))
3205 /* This is actually a static link, or it is a
3206 -Bsymbolic link and the symbol is defined
3207 locally, or the symbol was forced to be local
3208 because of a version file. We must initialize
3209 this entry in the global offset table. Since the
3210 offset must always be a multiple of 8 for 64-bit
3211 and 4 for 32-bit, we use the least significant bit
3212 to record whether we have initialized it already.
3214 When doing a dynamic link, we create a .rela.got
3215 relocation entry to initialize the value. This
3216 is done in the finish_dynamic_symbol routine. */
3221 /* If this symbol isn't dynamic in PIC mode, treat it
3222 like a local symbol in PIC mode below. */
3223 if (h->dynindx == -1
3225 && h->root.type != bfd_link_hash_undefweak
3226 && bfd_link_pic (info))
3227 relative_reloc = TRUE;
3229 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3230 htab->elf.sgot->contents + off);
3235 unresolved_reloc = FALSE;
3239 BFD_ASSERT (local_got_offsets != NULL
3240 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3242 off = local_got_offsets[r_symndx];
3244 /* The offset must always be a multiple of 8 on 64-bit and
3245 4 on 32-bit. We use the least significant bit to record
3246 whether we have already processed this entry. */
3251 /* For a local symbol in PIC mode, we need to generate a
3252 R_SPARC_RELATIVE reloc for the dynamic linker. */
3253 if (bfd_link_pic (info))
3254 relative_reloc = TRUE;
3256 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3257 htab->elf.sgot->contents + off);
3258 local_got_offsets[r_symndx] |= 1;
3264 asection *s = htab->elf.srelgot;
3265 Elf_Internal_Rela outrel;
3267 BFD_ASSERT (s != NULL);
3269 outrel.r_offset = (htab->elf.sgot->output_section->vma
3270 + htab->elf.sgot->output_offset
3272 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3273 0, R_SPARC_RELATIVE);
3274 outrel.r_addend = relocation;
3275 sparc_elf_append_rela (output_bfd, s, &outrel);
3276 /* Versions of glibc ld.so at least up to 2.26 wrongly
3277 add the section contents to the value calculated for
3278 a RELATIVE reloc. Zero the contents to work around
3281 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3282 htab->elf.sgot->contents + off);
3285 relocation = htab->elf.sgot->output_offset + off - got_base;
3290 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3292 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3297 case R_SPARC_WPLT30:
3298 case R_SPARC_HIPLT22:
3299 case R_SPARC_LOPLT10:
3300 case R_SPARC_PCPLT32:
3301 case R_SPARC_PCPLT22:
3302 case R_SPARC_PCPLT10:
3304 /* Relocation is to the entry for this symbol in the
3305 procedure linkage table. */
3307 if (! ABI_64_P (output_bfd))
3309 /* The Solaris native assembler will generate a WPLT30 reloc
3310 for a local symbol if you assemble a call from one
3311 section to another when using -K pic. We treat it as
3316 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3317 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3321 BFD_ASSERT (h != NULL);
3324 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3326 /* We didn't make a PLT entry for this symbol. This
3327 happens when statically linking PIC code, or when
3328 using -Bsymbolic. */
3332 relocation = (htab->elf.splt->output_section->vma
3333 + htab->elf.splt->output_offset
3335 unresolved_reloc = FALSE;
3336 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3338 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3346 case R_SPARC_PC_HH22:
3347 case R_SPARC_PC_HM10:
3348 case R_SPARC_PC_LM22:
3350 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3354 case R_SPARC_DISP16:
3355 case R_SPARC_DISP32:
3356 case R_SPARC_DISP64:
3357 case R_SPARC_WDISP30:
3358 case R_SPARC_WDISP22:
3359 case R_SPARC_WDISP19:
3360 case R_SPARC_WDISP16:
3361 case R_SPARC_WDISP10:
3389 if ((input_section->flags & SEC_ALLOC) == 0 || is_vxworks_tls)
3392 /* Copy dynamic function pointer relocations. Don't generate
3393 dynamic relocations against resolved undefined weak symbols
3395 if ((bfd_link_pic (info)
3397 || !(h->root.type == bfd_link_hash_undefweak
3398 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3399 || resolved_to_zero)))
3400 && (! howto->pc_relative
3401 || !SYMBOL_CALLS_LOCAL (info, h)))
3402 || (!bfd_link_pic (info)
3408 || (h->root.type == bfd_link_hash_undefweak
3409 && !resolved_to_zero)
3410 || h->root.type == bfd_link_hash_undefined)))
3412 Elf_Internal_Rela outrel;
3413 bfd_boolean skip, relocate = FALSE;
3415 /* When generating a shared object, these relocations
3416 are copied into the output file to be resolved at run
3419 BFD_ASSERT (sreloc != NULL);
3424 _bfd_elf_section_offset (output_bfd, info, input_section,
3426 if (outrel.r_offset == (bfd_vma) -1)
3428 else if (outrel.r_offset == (bfd_vma) -2)
3429 skip = TRUE, relocate = TRUE;
3430 outrel.r_offset += (input_section->output_section->vma
3431 + input_section->output_offset);
3433 /* Optimize unaligned reloc usage now that we know where
3434 it finally resides. */
3438 if (outrel.r_offset & 1)
3439 r_type = R_SPARC_UA16;
3442 if (!(outrel.r_offset & 1))
3443 r_type = R_SPARC_16;
3446 if (outrel.r_offset & 3)
3447 r_type = R_SPARC_UA32;
3450 if (!(outrel.r_offset & 3))
3451 r_type = R_SPARC_32;
3454 if (outrel.r_offset & 7)
3455 r_type = R_SPARC_UA64;
3458 if (!(outrel.r_offset & 7))
3459 r_type = R_SPARC_64;
3462 case R_SPARC_DISP16:
3463 case R_SPARC_DISP32:
3464 case R_SPARC_DISP64:
3465 /* If the symbol is not dynamic, we should not keep
3466 a dynamic relocation. But an .rela.* slot has been
3467 allocated for it, output R_SPARC_NONE.
3468 FIXME: Add code tracking needed dynamic relocs as
3470 if (h->dynindx == -1)
3471 skip = TRUE, relocate = TRUE;
3476 memset (&outrel, 0, sizeof outrel);
3477 /* h->dynindx may be -1 if the symbol was marked to
3481 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3482 || !bfd_link_pic (info)
3483 || !SYMBOLIC_BIND (info, h)
3484 || !h->def_regular))
3486 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3487 outrel.r_addend = rel->r_addend;
3491 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3492 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
3494 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3495 0, R_SPARC_RELATIVE);
3496 outrel.r_addend = relocation + rel->r_addend;
3502 outrel.r_addend = relocation + rel->r_addend;
3505 sec = htab->elf.splt;
3507 if (bfd_is_abs_section (sec))
3509 else if (sec == NULL || sec->owner == NULL)
3511 bfd_set_error (bfd_error_bad_value);
3518 /* We are turning this relocation into one
3519 against a section symbol. It would be
3520 proper to subtract the symbol's value,
3521 osec->vma, from the emitted reloc addend,
3522 but ld.so expects buggy relocs. */
3523 osec = sec->output_section;
3524 indx = elf_section_data (osec)->dynindx;
3528 osec = htab->elf.text_index_section;
3529 indx = elf_section_data (osec)->dynindx;
3532 /* FIXME: we really should be able to link non-pic
3533 shared libraries. */
3538 (_("%pB: probably compiled without -fPIC?"),
3540 bfd_set_error (bfd_error_bad_value);
3545 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3550 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3552 /* This reloc will be computed at runtime, so there's no
3553 need to do anything now. */
3559 case R_SPARC_TLS_GD_HI22:
3560 case R_SPARC_TLS_GD_LO10:
3561 case R_SPARC_TLS_IE_HI22:
3562 case R_SPARC_TLS_IE_LO10:
3563 r_type = sparc_elf_tls_transition (info, input_bfd, r_type,
3564 h == NULL || h->dynindx == -1);
3565 if (r_type == R_SPARC_REV32)
3568 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3569 else if (local_got_offsets)
3570 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3572 tls_type = GOT_UNKNOWN;
3573 if (tls_type == GOT_TLS_IE)
3576 case R_SPARC_TLS_GD_HI22:
3577 r_type = R_SPARC_TLS_IE_HI22;
3579 case R_SPARC_TLS_GD_LO10:
3580 r_type = R_SPARC_TLS_IE_LO10;
3584 if (r_type == R_SPARC_TLS_LE_HIX22)
3586 relocation = tpoff (info, relocation);
3589 if (r_type == R_SPARC_TLS_LE_LOX10)
3591 /* Change add into xor. */
3592 relocation = tpoff (info, relocation);
3593 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3594 contents + rel->r_offset)
3595 | 0x80182000), contents + rel->r_offset);
3601 off = h->got.offset;
3606 BFD_ASSERT (local_got_offsets != NULL);
3607 off = local_got_offsets[r_symndx];
3608 local_got_offsets[r_symndx] |= 1;
3612 if (htab->elf.sgot == NULL)
3619 Elf_Internal_Rela outrel;
3622 if (htab->elf.srelgot == NULL)
3625 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3626 htab->elf.sgot->contents + off);
3627 outrel.r_offset = (htab->elf.sgot->output_section->vma
3628 + htab->elf.sgot->output_offset + off);
3629 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3630 if (r_type == R_SPARC_TLS_IE_HI22
3631 || r_type == R_SPARC_TLS_IE_LO10)
3632 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3634 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3635 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3636 outrel.r_addend = relocation - dtpoff_base (info);
3638 outrel.r_addend = 0;
3639 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3640 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3642 if (r_type == R_SPARC_TLS_GD_HI22
3643 || r_type == R_SPARC_TLS_GD_LO10)
3647 BFD_ASSERT (! unresolved_reloc);
3648 SPARC_ELF_PUT_WORD (htab, output_bfd,
3649 relocation - dtpoff_base (info),
3650 (htab->elf.sgot->contents + off
3651 + SPARC_ELF_WORD_BYTES (htab)));
3655 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3656 (htab->elf.sgot->contents + off
3657 + SPARC_ELF_WORD_BYTES (htab)));
3658 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3659 SPARC_ELF_DTPOFF_RELOC (htab));
3660 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3661 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3665 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3667 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3668 (htab->elf.sgot->contents + off
3669 + SPARC_ELF_WORD_BYTES (htab)));
3673 if (off >= (bfd_vma) -2)
3676 relocation = htab->elf.sgot->output_offset + off - got_base;
3677 unresolved_reloc = FALSE;
3678 howto = _bfd_sparc_elf_howto_table + r_type;
3681 case R_SPARC_TLS_LDM_HI22:
3682 case R_SPARC_TLS_LDM_LO10:
3684 if (bfd_link_executable (info))
3686 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3689 off = htab->tls_ldm_got.offset;
3690 htab->tls_ldm_got.offset |= 1;
3691 goto r_sparc_tlsldm;
3693 case R_SPARC_TLS_LDO_HIX22:
3694 case R_SPARC_TLS_LDO_LOX10:
3696 if (bfd_link_executable (info))
3698 if (r_type == R_SPARC_TLS_LDO_HIX22)
3699 r_type = R_SPARC_TLS_LE_HIX22;
3701 r_type = R_SPARC_TLS_LE_LOX10;
3705 relocation -= dtpoff_base (info);
3710 case R_SPARC_TLS_LE_HIX22:
3711 case R_SPARC_TLS_LE_LOX10:
3712 if (!bfd_link_executable (info))
3714 Elf_Internal_Rela outrel;
3716 = _bfd_elf_section_offset (output_bfd, info, input_section,
3718 if (offset == (bfd_vma) -1 || offset == (bfd_vma) -2)
3719 memset (&outrel, 0, sizeof outrel);
3722 outrel.r_offset = offset
3723 + input_section->output_section->vma
3724 + input_section->output_offset;
3725 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3727 = relocation - dtpoff_base (info) + rel->r_addend;
3730 BFD_ASSERT (sreloc != NULL);
3731 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3734 relocation = tpoff (info, relocation);
3737 case R_SPARC_TLS_LDM_CALL:
3739 if (bfd_link_executable (info))
3742 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3747 case R_SPARC_TLS_GD_CALL:
3749 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3750 else if (local_got_offsets)
3751 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3753 tls_type = GOT_UNKNOWN;
3754 /* GD -> IE or LE */
3755 if (bfd_link_executable (info)
3756 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3758 Elf_Internal_Rela *rel2;
3762 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3764 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3769 if (rel + 1 < relend
3770 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3771 && rel[1].r_offset == rel->r_offset + 4
3772 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3773 && (((insn = bfd_get_32 (input_bfd,
3774 contents + rel[1].r_offset))
3775 >> 25) & 0x1f) == 8)
3778 call __tls_get_addr, %tgd_call(foo)
3779 add %reg1, %reg2, %o0, %tgd_add(foo)
3780 and change it into IE:
3781 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3782 add %g7, %o0, %o0, %tie_add(foo).
3783 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3784 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3785 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3786 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3787 contents + rel->r_offset);
3788 bfd_put_32 (output_bfd, 0x9001c008,
3789 contents + rel->r_offset + 4);
3794 /* We cannot just overwrite the delay slot instruction,
3795 as it might be what puts the %o0 argument to
3796 __tls_get_addr into place. So we have to transpose
3797 the delay slot with the add we patch in. */
3798 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3799 bfd_put_32 (output_bfd, insn,
3800 contents + rel->r_offset);
3801 bfd_put_32 (output_bfd, 0x9001c008,
3802 contents + rel->r_offset + 4);
3805 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3809 /* If the instruction we moved has a relocation attached to
3810 it, adjust the offset so that it will apply to the correct
3812 rel2->r_offset -= 4;
3817 h = (struct elf_link_hash_entry *)
3818 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3820 BFD_ASSERT (h != NULL);
3821 r_type = R_SPARC_WPLT30;
3822 howto = _bfd_sparc_elf_howto_table + r_type;
3823 goto r_sparc_wplt30;
3825 case R_SPARC_TLS_GD_ADD:
3827 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3828 else if (local_got_offsets)
3829 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3831 tls_type = GOT_UNKNOWN;
3832 /* GD -> IE or LE */
3833 if (bfd_link_executable (info) || tls_type == GOT_TLS_IE)
3835 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3837 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3839 add %g7, %reg2, %reg3. */
3840 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3841 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3842 relocation = (insn & ~0x7c000) | 0x1c000;
3844 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3845 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3849 case R_SPARC_TLS_LDM_ADD:
3851 if (bfd_link_executable (info))
3852 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3855 case R_SPARC_TLS_LDO_ADD:
3857 if (bfd_link_executable (info))
3859 /* Change rs1 into %g7. */
3860 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3861 insn = (insn & ~0x7c000) | 0x1c000;
3862 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3866 case R_SPARC_TLS_IE_LD:
3867 case R_SPARC_TLS_IE_LDX:
3869 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3871 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3872 int rs2 = insn & 0x1f;
3873 int rd = (insn >> 25) & 0x1f;
3876 relocation = SPARC_NOP;
3878 relocation = 0x80100000 | (insn & 0x3e00001f);
3879 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3883 case R_SPARC_TLS_IE_ADD:
3884 /* Totally useless relocation. */
3887 case R_SPARC_TLS_DTPOFF32:
3888 case R_SPARC_TLS_DTPOFF64:
3889 relocation -= dtpoff_base (info);
3896 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3897 because such sections are not SEC_ALLOC and thus ld.so will
3898 not process them. */
3899 if (unresolved_reloc
3900 && !((input_section->flags & SEC_DEBUGGING) != 0
3902 && _bfd_elf_section_offset (output_bfd, info, input_section,
3903 rel->r_offset) != (bfd_vma) -1)
3905 /* xgettext:c-format */
3906 (_("%pB(%pA+%#" PRIx64 "): "
3907 "unresolvable %s relocation against symbol `%s'"),
3910 (uint64_t) rel->r_offset,
3912 h->root.root.string);
3914 r = bfd_reloc_continue;
3915 if (r_type == R_SPARC_OLO10)
3919 if (! ABI_64_P (output_bfd))
3922 relocation += rel->r_addend;
3923 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3925 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3926 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3927 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3929 r = bfd_check_overflow (howto->complain_on_overflow,
3930 howto->bitsize, howto->rightshift,
3931 bfd_arch_bits_per_address (input_bfd),
3934 else if (r_type == R_SPARC_WDISP16)
3938 relocation += rel->r_addend;
3939 relocation -= (input_section->output_section->vma
3940 + input_section->output_offset);
3941 relocation -= rel->r_offset;
3943 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3944 x |= ((((relocation >> 2) & 0xc000) << 6)
3945 | ((relocation >> 2) & 0x3fff));
3946 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3948 r = bfd_check_overflow (howto->complain_on_overflow,
3949 howto->bitsize, howto->rightshift,
3950 bfd_arch_bits_per_address (input_bfd),
3953 else if (r_type == R_SPARC_WDISP10)
3957 relocation += rel->r_addend;
3958 relocation -= (input_section->output_section->vma
3959 + input_section->output_offset);
3960 relocation -= rel->r_offset;
3962 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3963 x |= ((((relocation >> 2) & 0x300) << 11)
3964 | (((relocation >> 2) & 0xff) << 5));
3965 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3967 r = bfd_check_overflow (howto->complain_on_overflow,
3968 howto->bitsize, howto->rightshift,
3969 bfd_arch_bits_per_address (input_bfd),
3972 else if (r_type == R_SPARC_REV32)
3976 relocation = relocation + rel->r_addend;
3978 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3980 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3983 else if (r_type == R_SPARC_TLS_LDO_HIX22
3984 || r_type == R_SPARC_TLS_LE_HIX22)
3988 relocation += rel->r_addend;
3989 if (r_type == R_SPARC_TLS_LE_HIX22)
3990 relocation ^= MINUS_ONE;
3992 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3993 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3994 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3997 else if (r_type == R_SPARC_TLS_LDO_LOX10
3998 || r_type == R_SPARC_TLS_LE_LOX10)
4002 relocation += rel->r_addend;
4003 relocation &= 0x3ff;
4004 if (r_type == R_SPARC_TLS_LE_LOX10)
4005 relocation |= 0x1c00;
4007 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4008 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4009 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4013 else if (r_type == R_SPARC_HIX22
4014 || r_type == R_SPARC_GOTDATA_HIX22
4015 || r_type == R_SPARC_GOTDATA_OP_HIX22)
4019 relocation += rel->r_addend;
4020 if (r_type == R_SPARC_HIX22
4021 || (bfd_signed_vma) relocation < 0)
4022 relocation = relocation ^ MINUS_ONE;
4024 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4025 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4026 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4028 r = bfd_check_overflow (howto->complain_on_overflow,
4029 howto->bitsize, howto->rightshift,
4030 bfd_arch_bits_per_address (input_bfd),
4033 else if (r_type == R_SPARC_LOX10
4034 || r_type == R_SPARC_GOTDATA_LOX10
4035 || r_type == R_SPARC_GOTDATA_OP_LOX10)
4039 relocation += rel->r_addend;
4040 if (r_type == R_SPARC_LOX10
4041 || (bfd_signed_vma) relocation < 0)
4042 relocation = (relocation & 0x3ff) | 0x1c00;
4044 relocation = (relocation & 0x3ff);
4046 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4047 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4048 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4052 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4053 && sec_do_relax (input_section)
4054 && rel->r_offset + 4 < input_section->size)
4058 #define XCC (2 << 20)
4059 #define COND(x) (((x)&0xf)<<25)
4060 #define CONDA COND(0x8)
4061 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4062 #define INSN_BA (F2(0,2) | CONDA)
4063 #define INSN_OR F3(2, 0x2, 0)
4064 #define INSN_NOP F2(0,4)
4068 /* If the instruction is a call with either:
4070 arithmetic instruction with rd == %o7
4071 where rs1 != %o7 and rs2 if it is register != %o7
4072 then we can optimize if the call destination is near
4073 by changing the call into a branch always. */
4074 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4075 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4076 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4078 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4079 || ((y & OP3(0x28)) == 0 /* arithmetic */
4080 && (y & RD(~0)) == RD(O7)))
4081 && (y & RS1(~0)) != RS1(O7)
4083 || (y & RS2(~0)) != RS2(O7)))
4087 reloc = relocation + rel->r_addend - rel->r_offset;
4088 reloc -= (input_section->output_section->vma
4089 + input_section->output_offset);
4091 /* Ensure the branch fits into simm22. */
4092 if ((reloc & 3) == 0
4093 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4094 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4098 /* Check whether it fits into simm19. */
4099 if (((reloc & 0x3c0000) == 0
4100 || (reloc & 0x3c0000) == 0x3c0000)
4101 && (ABI_64_P (output_bfd)
4102 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4103 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4105 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4106 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4108 if (rel->r_offset >= 4
4109 && (y & (0xffffffff ^ RS1(~0)))
4110 == (INSN_OR | RD(O7) | RS2(G0)))
4115 z = bfd_get_32 (input_bfd,
4116 contents + rel->r_offset - 4);
4117 if ((z & (0xffffffff ^ RD(~0)))
4118 != (INSN_OR | RS1(O7) | RS2(G0)))
4126 If call foo was replaced with ba, replace
4127 or %rN, %g0, %o7 with nop. */
4129 reg = (y & RS1(~0)) >> 14;
4130 if (reg != ((z & RD(~0)) >> 25)
4131 || reg == G0 || reg == O7)
4134 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4135 contents + rel->r_offset + 4);
4143 if (r == bfd_reloc_continue)
4146 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4147 contents, rel->r_offset,
4148 relocation, rel->r_addend);
4150 if (r != bfd_reloc_ok)
4155 case bfd_reloc_outofrange:
4157 case bfd_reloc_overflow:
4161 /* The Solaris native linker silently disregards overflows.
4162 We don't, but this breaks stabs debugging info, whose
4163 relocations are only 32-bits wide. Ignore overflows in
4164 this case and also for discarded entries. */
4165 if ((r_type == R_SPARC_32
4166 || r_type == R_SPARC_UA32
4167 || r_type == R_SPARC_DISP32)
4168 && (((input_section->flags & SEC_DEBUGGING) != 0
4169 && strcmp (bfd_section_name (input_bfd,
4172 || _bfd_elf_section_offset (output_bfd, info,
4180 /* Assume this is a call protected by other code that
4181 detect the symbol is undefined. If this is the case,
4182 we can safely ignore the overflow. If not, the
4183 program is hosed anyway, and a little warning isn't
4185 if (h->root.type == bfd_link_hash_undefweak
4186 && howto->pc_relative)
4193 name = bfd_elf_string_from_elf_section (input_bfd,
4194 symtab_hdr->sh_link,
4199 name = bfd_section_name (input_bfd, sec);
4201 (*info->callbacks->reloc_overflow)
4202 (info, (h ? &h->root : NULL), name, howto->name,
4203 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4213 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4214 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4215 is the offset of the associated .got.plt entry from
4216 _GLOBAL_OFFSET_TABLE_. */
4219 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4220 bfd_vma plt_offset, bfd_vma plt_index,
4224 const bfd_vma *plt_entry;
4225 struct _bfd_sparc_elf_link_hash_table *htab;
4227 Elf_Internal_Rela rela;
4229 htab = _bfd_sparc_elf_hash_table (info);
4230 BFD_ASSERT (htab != NULL);
4232 if (bfd_link_pic (info))
4234 plt_entry = sparc_vxworks_shared_plt_entry;
4239 plt_entry = sparc_vxworks_exec_plt_entry;
4240 got_base = (htab->elf.hgot->root.u.def.value
4241 + htab->elf.hgot->root.u.def.section->output_offset
4242 + htab->elf.hgot->root.u.def.section->output_section->vma);
4245 /* Fill in the entry in the procedure linkage table. */
4246 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4247 htab->elf.splt->contents + plt_offset);
4248 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4249 htab->elf.splt->contents + plt_offset + 4);
4250 bfd_put_32 (output_bfd, plt_entry[2],
4251 htab->elf.splt->contents + plt_offset + 8);
4252 bfd_put_32 (output_bfd, plt_entry[3],
4253 htab->elf.splt->contents + plt_offset + 12);
4254 bfd_put_32 (output_bfd, plt_entry[4],
4255 htab->elf.splt->contents + plt_offset + 16);
4256 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4257 htab->elf.splt->contents + plt_offset + 20);
4258 /* PC-relative displacement for a branch to the start of
4260 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4262 htab->elf.splt->contents + plt_offset + 24);
4263 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4264 htab->elf.splt->contents + plt_offset + 28);
4266 /* Fill in the .got.plt entry, pointing initially at the
4267 second half of the PLT entry. */
4268 BFD_ASSERT (htab->elf.sgotplt != NULL);
4269 bfd_put_32 (output_bfd,
4270 htab->elf.splt->output_section->vma
4271 + htab->elf.splt->output_offset
4273 htab->elf.sgotplt->contents + got_offset);
4275 /* Add relocations to .rela.plt.unloaded. */
4276 if (!bfd_link_pic (info))
4278 loc = (htab->srelplt2->contents
4279 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4281 /* Relocate the initial sethi. */
4282 rela.r_offset = (htab->elf.splt->output_section->vma
4283 + htab->elf.splt->output_offset
4285 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4286 rela.r_addend = got_offset;
4287 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4288 loc += sizeof (Elf32_External_Rela);
4290 /* Likewise the following or. */
4292 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4293 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4294 loc += sizeof (Elf32_External_Rela);
4296 /* Relocate the .got.plt entry. */
4297 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4298 + htab->elf.sgotplt->output_offset
4300 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4301 rela.r_addend = plt_offset + 20;
4302 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4306 /* Finish up dynamic symbol handling. We set the contents of various
4307 dynamic sections here. */
4310 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4311 struct bfd_link_info *info,
4312 struct elf_link_hash_entry *h,
4313 Elf_Internal_Sym *sym)
4315 struct _bfd_sparc_elf_link_hash_table *htab;
4316 const struct elf_backend_data *bed;
4317 struct _bfd_sparc_elf_link_hash_entry *eh;
4318 bfd_boolean resolved_to_zero;
4320 htab = _bfd_sparc_elf_hash_table (info);
4321 BFD_ASSERT (htab != NULL);
4322 bed = get_elf_backend_data (output_bfd);
4324 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
4326 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4327 resolved undefined weak symbols in executable so that their
4328 references have value 0 at run-time. */
4329 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
4331 if (h->plt.offset != (bfd_vma) -1)
4335 Elf_Internal_Rela rela;
4337 bfd_vma r_offset, got_offset;
4340 /* When building a static executable, use .iplt and
4341 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4342 if (htab->elf.splt != NULL)
4344 splt = htab->elf.splt;
4345 srela = htab->elf.srelplt;
4349 splt = htab->elf.iplt;
4350 srela = htab->elf.irelplt;
4353 if (splt == NULL || srela == NULL)
4356 /* Fill in the entry in the .rela.plt section. */
4357 if (htab->is_vxworks)
4359 /* Work out the index of this PLT entry. */
4360 rela_index = ((h->plt.offset - htab->plt_header_size)
4361 / htab->plt_entry_size);
4363 /* Calculate the offset of the associated .got.plt entry.
4364 The first three entries are reserved. */
4365 got_offset = (rela_index + 3) * 4;
4367 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4368 rela_index, got_offset);
4371 /* On VxWorks, the relocation points to the .got.plt entry,
4372 not the .plt entry. */
4373 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4374 + htab->elf.sgotplt->output_offset
4377 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4382 bfd_boolean ifunc = FALSE;
4384 /* Fill in the entry in the procedure linkage table. */
4385 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4386 h->plt.offset, splt->size,
4391 || ((bfd_link_executable (info)
4392 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4394 && h->type == STT_GNU_IFUNC))
4397 BFD_ASSERT (h == NULL
4398 || (h->type == STT_GNU_IFUNC
4400 && (h->root.type == bfd_link_hash_defined
4401 || h->root.type == bfd_link_hash_defweak)));
4404 rela.r_offset = r_offset
4405 + (splt->output_section->vma + splt->output_offset);
4406 if (ABI_64_P (output_bfd)
4407 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4411 rela.r_addend = (h->root.u.def.section->output_section->vma
4412 + h->root.u.def.section->output_offset
4413 + h->root.u.def.value);
4414 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4419 rela.r_addend = (-(h->plt.offset + 4)
4420 - splt->output_section->vma
4421 - splt->output_offset);
4422 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4430 rela.r_addend = (h->root.u.def.section->output_section->vma
4431 + h->root.u.def.section->output_offset
4432 + h->root.u.def.value);
4433 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4439 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4445 /* Adjust for the first 4 reserved elements in the .plt section
4446 when setting the offset in the .rela.plt section.
4447 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4448 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4450 loc = srela->contents;
4451 loc += rela_index * bed->s->sizeof_rela;
4452 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4454 if (!resolved_to_zero && !h->def_regular)
4456 /* Mark the symbol as undefined, rather than as defined in
4457 the .plt section. Leave the value alone. */
4458 sym->st_shndx = SHN_UNDEF;
4459 /* If the symbol is weak, we do need to clear the value.
4460 Otherwise, the PLT entry would provide a definition for
4461 the symbol even if the symbol wasn't defined anywhere,
4462 and so the symbol would never be NULL. */
4463 if (!h->ref_regular_nonweak)
4468 /* Don't generate dynamic GOT relocation against resolved undefined weak
4469 symbols in an executable. */
4470 if (h->got.offset != (bfd_vma) -1
4471 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4472 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
4473 && !(h->root.type == bfd_link_hash_undefweak
4474 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
4475 || resolved_to_zero)))
4479 Elf_Internal_Rela rela;
4481 /* This symbol has an entry in the GOT. Set it up. */
4483 sgot = htab->elf.sgot;
4484 srela = htab->elf.srelgot;
4485 BFD_ASSERT (sgot != NULL && srela != NULL);
4487 rela.r_offset = (sgot->output_section->vma
4488 + sgot->output_offset
4489 + (h->got.offset &~ (bfd_vma) 1));
4491 /* If this is a -Bsymbolic link, and the symbol is defined
4492 locally, we just want to emit a RELATIVE reloc. Likewise if
4493 the symbol was forced to be local because of a version file.
4494 The entry in the global offset table will already have been
4495 initialized in the relocate_section function. */
4496 if (! bfd_link_pic (info)
4497 && h->type == STT_GNU_IFUNC
4502 /* We load the GOT entry with the PLT entry. */
4503 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4504 SPARC_ELF_PUT_WORD (htab, output_bfd,
4505 (plt->output_section->vma
4506 + plt->output_offset + h->plt.offset),
4507 htab->elf.sgot->contents
4508 + (h->got.offset & ~(bfd_vma) 1));
4512 if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h))
4514 asection *sec = h->root.u.def.section;
4515 if (h->type == STT_GNU_IFUNC)
4516 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4518 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4519 rela.r_addend = (h->root.u.def.value
4520 + sec->output_section->vma
4521 + sec->output_offset);
4525 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4529 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4530 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4531 sparc_elf_append_rela (output_bfd, srela, &rela);
4537 Elf_Internal_Rela rela;
4539 /* This symbols needs a copy reloc. Set it up. */
4540 BFD_ASSERT (h->dynindx != -1);
4542 rela.r_offset = (h->root.u.def.value
4543 + h->root.u.def.section->output_section->vma
4544 + h->root.u.def.section->output_offset);
4545 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4547 if (h->root.u.def.section == htab->elf.sdynrelro)
4548 s = htab->elf.sreldynrelro;
4550 s = htab->elf.srelbss;
4551 sparc_elf_append_rela (output_bfd, s, &rela);
4554 /* Mark some specially defined symbols as absolute. On VxWorks,
4555 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4556 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4558 && (h == htab->elf.hdynamic
4559 || (!htab->is_vxworks
4560 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4561 sym->st_shndx = SHN_ABS;
4566 /* Finish up the dynamic sections. */
4569 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4570 bfd *dynobj, asection *sdyn,
4571 asection *splt ATTRIBUTE_UNUSED)
4573 struct _bfd_sparc_elf_link_hash_table *htab;
4574 const struct elf_backend_data *bed;
4575 bfd_byte *dyncon, *dynconend;
4577 int stt_regidx = -1;
4578 bfd_boolean abi_64_p;
4580 htab = _bfd_sparc_elf_hash_table (info);
4581 BFD_ASSERT (htab != NULL);
4582 bed = get_elf_backend_data (output_bfd);
4583 dynsize = bed->s->sizeof_dyn;
4584 dynconend = sdyn->contents + sdyn->size;
4585 abi_64_p = ABI_64_P (output_bfd);
4586 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4588 Elf_Internal_Dyn dyn;
4591 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4593 if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4595 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4596 not to the start of the PLT. */
4597 if (htab->elf.sgotplt)
4599 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4600 + htab->elf.sgotplt->output_offset);
4601 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4604 else if (htab->is_vxworks
4605 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4606 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4607 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4609 if (stt_regidx == -1)
4612 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4613 if (stt_regidx == -1)
4616 dyn.d_un.d_val = stt_regidx++;
4617 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4630 s = htab->elf.srelplt;
4634 s = htab->elf.srelplt;
4646 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4648 dyn.d_un.d_val = s->size;
4650 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4656 /* Install the first PLT entry in a VxWorks executable and make sure that
4657 .rela.plt.unloaded relocations have the correct symbol indexes. */
4660 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4662 struct _bfd_sparc_elf_link_hash_table *htab;
4663 Elf_Internal_Rela rela;
4667 htab = _bfd_sparc_elf_hash_table (info);
4668 BFD_ASSERT (htab != NULL);
4670 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4671 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4672 + htab->elf.hgot->root.u.def.section->output_offset
4673 + htab->elf.hgot->root.u.def.value);
4675 /* Install the initial PLT entry. */
4676 bfd_put_32 (output_bfd,
4677 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4678 htab->elf.splt->contents);
4679 bfd_put_32 (output_bfd,
4680 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4681 htab->elf.splt->contents + 4);
4682 bfd_put_32 (output_bfd,
4683 sparc_vxworks_exec_plt0_entry[2],
4684 htab->elf.splt->contents + 8);
4685 bfd_put_32 (output_bfd,
4686 sparc_vxworks_exec_plt0_entry[3],
4687 htab->elf.splt->contents + 12);
4688 bfd_put_32 (output_bfd,
4689 sparc_vxworks_exec_plt0_entry[4],
4690 htab->elf.splt->contents + 16);
4692 loc = htab->srelplt2->contents;
4694 /* Add an unloaded relocation for the initial entry's "sethi". */
4695 rela.r_offset = (htab->elf.splt->output_section->vma
4696 + htab->elf.splt->output_offset);
4697 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4699 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4700 loc += sizeof (Elf32_External_Rela);
4702 /* Likewise the following "or". */
4704 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4705 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4706 loc += sizeof (Elf32_External_Rela);
4708 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4709 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4710 in which symbols were output. */
4711 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4713 Elf_Internal_Rela rel;
4715 /* The entry's initial "sethi" (against _G_O_T_). */
4716 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4717 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4718 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4719 loc += sizeof (Elf32_External_Rela);
4721 /* The following "or" (also against _G_O_T_). */
4722 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4723 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4724 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4725 loc += sizeof (Elf32_External_Rela);
4727 /* The .got.plt entry (against _P_L_T_). */
4728 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4729 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4730 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4731 loc += sizeof (Elf32_External_Rela);
4735 /* Install the first PLT entry in a VxWorks shared object. */
4738 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4740 struct _bfd_sparc_elf_link_hash_table *htab;
4743 htab = _bfd_sparc_elf_hash_table (info);
4744 BFD_ASSERT (htab != NULL);
4746 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4747 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4748 htab->elf.splt->contents + i * 4);
4751 /* Finish up local dynamic symbol handling. We set the contents of
4752 various dynamic sections here. */
4755 finish_local_dynamic_symbol (void **slot, void *inf)
4757 struct elf_link_hash_entry *h
4758 = (struct elf_link_hash_entry *) *slot;
4759 struct bfd_link_info *info
4760 = (struct bfd_link_info *) inf;
4762 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4766 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4767 here since undefined weak symbol may not be dynamic and may not be
4768 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4771 pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
4774 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
4775 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4777 if (h->root.type != bfd_link_hash_undefweak
4778 || h->dynindx != -1)
4781 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4786 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4790 struct _bfd_sparc_elf_link_hash_table *htab;
4792 htab = _bfd_sparc_elf_hash_table (info);
4793 BFD_ASSERT (htab != NULL);
4794 dynobj = htab->elf.dynobj;
4796 /* We arranged in size_dynamic_sections to put the STT_REGISTER
4797 entries at the end of the dynlocal list, so they came at the end
4798 of the local symbols in the symtab. Except that they aren't
4799 STB_LOCAL, so we need to back up symtab->sh_info. */
4800 if (ABI_64_P (output_bfd)
4801 && elf_hash_table (info)->dynlocal)
4803 asection *dynsymsec = bfd_get_linker_section (dynobj, ".dynsym");
4804 struct elf_link_local_dynamic_entry *e;
4806 for (e = elf_hash_table (info)->dynlocal; e ; e = e->next)
4807 if (e->input_indx == -1)
4810 elf_section_data (dynsymsec->output_section)->this_hdr.sh_info
4814 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4816 if (elf_hash_table (info)->dynamic_sections_created)
4820 splt = htab->elf.splt;
4821 BFD_ASSERT (splt != NULL && sdyn != NULL);
4823 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4826 /* Initialize the contents of the .plt section. */
4829 if (htab->is_vxworks)
4831 if (bfd_link_pic (info))
4832 sparc_vxworks_finish_shared_plt (output_bfd, info);
4834 sparc_vxworks_finish_exec_plt (output_bfd, info);
4838 memset (splt->contents, 0, htab->plt_header_size);
4839 if (!ABI_64_P (output_bfd))
4840 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4841 splt->contents + splt->size - 4);
4845 if (elf_section_data (splt->output_section) != NULL)
4846 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4847 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4848 ? 0 : htab->plt_entry_size);
4851 /* Set the first entry in the global offset table to the address of
4852 the dynamic section. */
4853 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4855 bfd_vma val = (sdyn ?
4856 sdyn->output_section->vma + sdyn->output_offset :
4859 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4863 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4864 SPARC_ELF_WORD_BYTES (htab);
4866 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4867 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4869 /* Fill PLT entries for undefined weak symbols in PIE. */
4870 if (bfd_link_pie (info))
4871 bfd_hash_traverse (&info->hash->table,
4872 pie_finish_undefweak_symbol,
4878 /* Set the right machine number for a SPARC ELF file. */
4881 _bfd_sparc_elf_object_p (bfd *abfd)
4883 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4884 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4885 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4887 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4888 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
4889 | ELF_SPARC_HWCAP_VIS3
4890 | ELF_SPARC_HWCAP_HPC);
4891 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
4892 | ELF_SPARC_HWCAP_DES
4893 | ELF_SPARC_HWCAP_KASUMI
4894 | ELF_SPARC_HWCAP_CAMELLIA
4895 | ELF_SPARC_HWCAP_MD5
4896 | ELF_SPARC_HWCAP_SHA1
4897 | ELF_SPARC_HWCAP_SHA256
4898 | ELF_SPARC_HWCAP_SHA512
4899 | ELF_SPARC_HWCAP_MPMUL
4900 | ELF_SPARC_HWCAP_MONT
4901 | ELF_SPARC_HWCAP_CRC32C
4902 | ELF_SPARC_HWCAP_CBCOND
4903 | ELF_SPARC_HWCAP_PAUSE);
4904 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
4905 | ELF_SPARC_HWCAP_IMA);
4906 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
4907 | ELF_SPARC_HWCAP2_MWAIT
4908 | ELF_SPARC_HWCAP2_XMPMUL
4909 | ELF_SPARC_HWCAP2_XMONT);
4910 unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
4911 | ELF_SPARC_HWCAP2_ONADDSUB
4912 | ELF_SPARC_HWCAP2_ONMUL
4913 | ELF_SPARC_HWCAP2_ONDIV
4914 | ELF_SPARC_HWCAP2_DICTUNP
4915 | ELF_SPARC_HWCAP2_FPCMPSHL
4916 | ELF_SPARC_HWCAP2_RLE
4917 | ELF_SPARC_HWCAP2_SHA3);
4919 if (ABI_64_P (abfd))
4921 unsigned long mach = bfd_mach_sparc_v9;
4923 if (hwcaps2->i & m8_hwcaps2_mask)
4924 mach = bfd_mach_sparc_v9m8;
4925 else if (hwcaps2->i & v9m_hwcaps2_mask)
4926 mach = bfd_mach_sparc_v9m;
4927 else if (hwcaps->i & v9v_hwcaps_mask)
4928 mach = bfd_mach_sparc_v9v;
4929 else if (hwcaps->i & v9e_hwcaps_mask)
4930 mach = bfd_mach_sparc_v9e;
4931 else if (hwcaps->i & v9d_hwcaps_mask)
4932 mach = bfd_mach_sparc_v9d;
4933 else if (hwcaps->i & v9c_hwcaps_mask)
4934 mach = bfd_mach_sparc_v9c;
4935 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4936 mach = bfd_mach_sparc_v9b;
4937 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4938 mach = bfd_mach_sparc_v9a;
4939 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4943 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4945 if (hwcaps2->i & m8_hwcaps2_mask)
4946 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4947 bfd_mach_sparc_v8plusm8);
4948 else if (hwcaps2->i & v9m_hwcaps2_mask)
4949 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4950 bfd_mach_sparc_v8plusm);
4951 else if (hwcaps->i & v9v_hwcaps_mask)
4952 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4953 bfd_mach_sparc_v8plusv);
4954 else if (hwcaps->i & v9e_hwcaps_mask)
4955 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4956 bfd_mach_sparc_v8pluse);
4957 else if (hwcaps->i & v9d_hwcaps_mask)
4958 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4959 bfd_mach_sparc_v8plusd);
4960 else if (hwcaps->i & v9c_hwcaps_mask)
4961 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4962 bfd_mach_sparc_v8plusc);
4963 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4964 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4965 bfd_mach_sparc_v8plusb);
4966 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4967 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4968 bfd_mach_sparc_v8plusa);
4969 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4970 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4971 bfd_mach_sparc_v8plus);
4975 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4976 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4977 bfd_mach_sparc_sparclite_le);
4979 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4983 /* Return address for Ith PLT stub in section PLT, for relocation REL
4984 or (bfd_vma) -1 if it should not be included. */
4987 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4989 if (ABI_64_P (plt->owner))
4993 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4994 if (i < PLT64_LARGE_THRESHOLD)
4995 return plt->vma + i * PLT64_ENTRY_SIZE;
4997 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4999 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
5002 return rel->address;
5005 /* Merge backend specific data from an object file to the output
5006 object file when linking. */
5009 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
5011 bfd *obfd = info->output_bfd;
5012 obj_attribute *in_attr, *in_attrs;
5013 obj_attribute *out_attr, *out_attrs;
5015 if (!elf_known_obj_attributes_proc (obfd)[0].i)
5017 /* This is the first object. Copy the attributes. */
5018 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5020 /* Use the Tag_null value to indicate the attributes have been
5022 elf_known_obj_attributes_proc (obfd)[0].i = 1;
5027 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
5028 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
5030 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
5031 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
5033 out_attr->i |= in_attr->i;
5036 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
5037 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
5039 out_attr->i |= in_attr->i;
5042 /* Merge Tag_compatibility attributes and any common GNU ones. */
5043 _bfd_elf_merge_object_attributes (ibfd, info);