1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2019 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 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1844 case R_SPARC_REGISTER:
1845 /* Nothing to do. */
1857 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1858 struct bfd_link_info *info,
1859 Elf_Internal_Rela *rel,
1860 struct elf_link_hash_entry *h,
1861 Elf_Internal_Sym *sym)
1864 switch (SPARC_ELF_R_TYPE (rel->r_info))
1866 case R_SPARC_GNU_VTINHERIT:
1867 case R_SPARC_GNU_VTENTRY:
1871 if (!bfd_link_executable (info))
1873 switch (SPARC_ELF_R_TYPE (rel->r_info))
1875 case R_SPARC_TLS_GD_CALL:
1876 case R_SPARC_TLS_LDM_CALL:
1877 /* This reloc implicitly references __tls_get_addr. We know
1878 another reloc will reference the same symbol as the one
1879 on this reloc, so the real symbol and section will be
1880 gc marked when processing the other reloc. That lets
1881 us handle __tls_get_addr here. */
1882 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1883 FALSE, FALSE, TRUE);
1884 BFD_ASSERT (h != NULL);
1886 if (h->is_weakalias)
1887 weakdef (h)->mark = 1;
1892 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1895 static Elf_Internal_Rela *
1896 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1897 Elf_Internal_Rela *relend,
1900 while (rel < relend)
1902 if (rel->r_offset == offset)
1909 /* Remove undefined weak symbol from the dynamic symbol table if it
1910 is resolved to 0. */
1913 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
1914 struct elf_link_hash_entry *h)
1916 if (h->dynindx != -1
1917 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
1918 _bfd_sparc_elf_hash_entry (h)))
1921 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
1927 /* Find dynamic relocs for H that apply to read-only sections. */
1930 readonly_dynrelocs (struct elf_link_hash_entry *h)
1932 struct elf_dyn_relocs *p;
1934 for (p = _bfd_sparc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
1936 asection *s = p->sec->output_section;
1938 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1944 /* Adjust a symbol defined by a dynamic object and referenced by a
1945 regular object. The current definition is in some section of the
1946 dynamic object, but we're not including those sections. We have to
1947 change the definition to something the rest of the link can
1951 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1952 struct elf_link_hash_entry *h)
1954 struct _bfd_sparc_elf_link_hash_table *htab;
1957 htab = _bfd_sparc_elf_hash_table (info);
1958 BFD_ASSERT (htab != NULL);
1960 /* Make sure we know what is going on here. */
1961 BFD_ASSERT (htab->elf.dynobj != NULL
1963 || h->type == STT_GNU_IFUNC
1967 && !h->def_regular)));
1969 /* If this is a function, put it in the procedure linkage table. We
1970 will fill in the contents of the procedure linkage table later
1971 (although we could actually do it here). The STT_NOTYPE
1972 condition is a hack specifically for the Oracle libraries
1973 delivered for Solaris; for some inexplicable reason, they define
1974 some of their functions as STT_NOTYPE when they really should be
1976 if (h->type == STT_FUNC
1977 || h->type == STT_GNU_IFUNC
1979 || (h->type == STT_NOTYPE
1980 && (h->root.type == bfd_link_hash_defined
1981 || h->root.type == bfd_link_hash_defweak)
1982 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1984 if (h->plt.refcount <= 0
1985 || (h->type != STT_GNU_IFUNC
1986 && (SYMBOL_CALLS_LOCAL (info, h)
1987 || (h->root.type == bfd_link_hash_undefweak
1988 && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT))))
1990 /* This case can occur if we saw a WPLT30 reloc in an input
1991 file, but the symbol was never referred to by a dynamic
1992 object, or if all references were garbage collected. In
1993 such a case, we don't actually need to build a procedure
1994 linkage table, and we can just do a WDISP30 reloc instead. */
1995 h->plt.offset = (bfd_vma) -1;
2002 h->plt.offset = (bfd_vma) -1;
2004 /* If this is a weak symbol, and there is a real definition, the
2005 processor independent code will have arranged for us to see the
2006 real definition first, and we can just use the same value. */
2007 if (h->is_weakalias)
2009 struct elf_link_hash_entry *def = weakdef (h);
2010 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2011 h->root.u.def.section = def->root.u.def.section;
2012 h->root.u.def.value = def->root.u.def.value;
2016 /* This is a reference to a symbol defined by a dynamic object which
2017 is not a function. */
2019 /* If we are creating a shared library, we must presume that the
2020 only references to the symbol are via the global offset table.
2021 For such cases we need not do anything here; the relocations will
2022 be handled correctly by relocate_section. */
2023 if (bfd_link_pic (info))
2026 /* If there are no references to this symbol that do not use the
2027 GOT, we don't need to generate a copy reloc. */
2028 if (!h->non_got_ref)
2031 /* If -z nocopyreloc was given, we won't generate them either. */
2032 if (info->nocopyreloc)
2038 /* If we don't find any dynamic relocs in read-only sections, then
2039 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2040 if (!readonly_dynrelocs (h))
2046 /* We must allocate the symbol in our .dynbss section, which will
2047 become part of the .bss section of the executable. There will be
2048 an entry for this symbol in the .dynsym section. The dynamic
2049 object will contain position independent code, so all references
2050 from the dynamic object to this symbol will go through the global
2051 offset table. The dynamic linker will use the .dynsym entry to
2052 determine the address it must put in the global offset table, so
2053 both the dynamic object and the regular object will refer to the
2054 same memory location for the variable. */
2056 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2057 to copy the initial value out of the dynamic object and into the
2058 runtime process image. We need to remember the offset into the
2059 .rel.bss section we are going to use. */
2060 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2062 s = htab->elf.sdynrelro;
2063 srel = htab->elf.sreldynrelro;
2067 s = htab->elf.sdynbss;
2068 srel = htab->elf.srelbss;
2070 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2072 srel->size += SPARC_ELF_RELA_BYTES (htab);
2076 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2079 /* Allocate space in .plt, .got and associated reloc sections for
2083 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2085 struct bfd_link_info *info;
2086 struct _bfd_sparc_elf_link_hash_table *htab;
2087 struct _bfd_sparc_elf_link_hash_entry *eh;
2088 struct elf_dyn_relocs *p;
2089 bfd_boolean resolved_to_zero;
2091 if (h->root.type == bfd_link_hash_indirect)
2094 info = (struct bfd_link_info *) inf;
2095 htab = _bfd_sparc_elf_hash_table (info);
2096 BFD_ASSERT (htab != NULL);
2098 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2099 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
2101 if ((htab->elf.dynamic_sections_created
2102 && h->plt.refcount > 0)
2103 || (h->type == STT_GNU_IFUNC
2107 /* Undefined weak syms won't yet be marked as dynamic. */
2108 if (h->root.type == bfd_link_hash_undefweak
2109 && !resolved_to_zero
2111 && !h->forced_local)
2113 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2117 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2118 || (h->type == STT_GNU_IFUNC
2121 asection *s = htab->elf.splt;
2126 /* Allocate room for the header. */
2129 s->size = htab->plt_header_size;
2131 /* Allocate space for the .rela.plt.unloaded relocations. */
2132 if (htab->is_vxworks && !bfd_link_pic (info))
2133 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2136 /* The procedure linkage table size is bounded by the magnitude
2137 of the offset we can describe in the entry. */
2138 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2139 (((bfd_vma)1 << 31) << 1) : 0x400000))
2141 bfd_set_error (bfd_error_bad_value);
2145 if (SPARC_ELF_WORD_BYTES(htab) == 8
2146 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2148 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2151 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2153 h->plt.offset = (s->size - (off * 8));
2156 h->plt.offset = s->size;
2158 /* If this symbol is not defined in a regular file, and we are
2159 not generating a shared library, then set the symbol to this
2160 location in the .plt. This is required to make function
2161 pointers compare as equal between the normal executable and
2162 the shared library. */
2163 if (! bfd_link_pic (info)
2166 h->root.u.def.section = s;
2167 h->root.u.def.value = h->plt.offset;
2170 /* Make room for this entry. */
2171 s->size += htab->plt_entry_size;
2173 /* There should be no PLT relocations against resolved undefined
2174 weak symbols in the executable. */
2175 if (!resolved_to_zero)
2177 /* We also need to make an entry in the .rela.plt section. */
2178 if (s == htab->elf.splt)
2179 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2181 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2184 if (htab->is_vxworks)
2186 /* Allocate space for the .got.plt entry. */
2187 htab->elf.sgotplt->size += 4;
2189 /* ...and for the .rela.plt.unloaded relocations. */
2190 if (!bfd_link_pic (info))
2191 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2196 h->plt.offset = (bfd_vma) -1;
2202 h->plt.offset = (bfd_vma) -1;
2206 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2207 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2208 if (h->got.refcount > 0
2209 && bfd_link_executable (info)
2211 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2212 h->got.offset = (bfd_vma) -1;
2213 else if (h->got.refcount > 0)
2217 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2219 /* Undefined weak syms won't yet be marked as dynamic. */
2220 if (h->root.type == bfd_link_hash_undefweak
2221 && !resolved_to_zero
2223 && !h->forced_local)
2225 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2230 h->got.offset = s->size;
2231 s->size += SPARC_ELF_WORD_BYTES (htab);
2232 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2233 if (tls_type == GOT_TLS_GD)
2234 s->size += SPARC_ELF_WORD_BYTES (htab);
2235 dyn = htab->elf.dynamic_sections_created;
2236 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2237 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
2238 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2239 || tls_type == GOT_TLS_IE
2240 || h->type == STT_GNU_IFUNC)
2241 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2242 else if (tls_type == GOT_TLS_GD)
2243 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2244 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)
2245 /* Even if the symbol isn't dynamic, we may generate a
2246 reloc for the dynamic linker in PIC mode. */
2247 || (h->dynindx == -1
2249 && h->root.type != bfd_link_hash_undefweak
2250 && bfd_link_pic (info)))
2251 /* No dynamic relocations are needed against resolved
2252 undefined weak symbols in an executable. */
2253 && !(h->root.type == bfd_link_hash_undefweak
2254 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2255 || resolved_to_zero)))
2256 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2259 h->got.offset = (bfd_vma) -1;
2261 if (eh->dyn_relocs == NULL)
2264 /* In the shared -Bsymbolic case, discard space allocated for
2265 dynamic pc-relative relocs against symbols which turn out to be
2266 defined in regular objects. For the normal shared case, discard
2267 space for pc-relative relocs that have become local due to symbol
2268 visibility changes. */
2270 if (bfd_link_pic (info))
2272 if (SYMBOL_CALLS_LOCAL (info, h))
2274 struct elf_dyn_relocs **pp;
2276 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2278 p->count -= p->pc_count;
2287 if (htab->is_vxworks)
2289 struct elf_dyn_relocs **pp;
2291 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2293 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2300 /* Also discard relocs on undefined weak syms with non-default
2301 visibility or in PIE. */
2302 if (eh->dyn_relocs != NULL
2303 && h->root.type == bfd_link_hash_undefweak)
2305 /* An undefined weak symbol is never
2306 bound locally in a shared library. */
2308 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2309 || resolved_to_zero)
2313 /* Keep dynamic non-GOT/non-PLT relocation so that we
2314 can branch to 0 without PLT. */
2315 struct elf_dyn_relocs **pp;
2317 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2318 if (p->pc_count == 0)
2322 /* Remove other relocations. */
2323 p->count = p->pc_count;
2327 if (eh->dyn_relocs != NULL)
2329 /* Make sure undefined weak symbols are output
2330 as dynamic symbols in PIEs for dynamic non-GOT
2331 non-PLT reloations. */
2332 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2337 eh->dyn_relocs = NULL;
2340 /* Make sure undefined weak symbols are output as a dynamic
2342 else if (h->dynindx == -1
2343 && !h->forced_local)
2345 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2352 /* For the non-shared case, discard space for relocs against
2353 symbols which turn out to need copy relocs or are not
2356 if ((!h->non_got_ref
2357 || (h->root.type == bfd_link_hash_undefweak
2358 && !resolved_to_zero))
2361 || (htab->elf.dynamic_sections_created
2362 && (h->root.type == bfd_link_hash_undefweak
2363 || h->root.type == bfd_link_hash_undefined))))
2365 /* Undefined weak syms won't yet be marked as dynamic. */
2366 if (h->root.type == bfd_link_hash_undefweak
2367 && !resolved_to_zero
2369 && !h->forced_local)
2371 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2375 /* If that succeeded, we know we'll be keeping all the
2377 if (h->dynindx != -1)
2381 eh->dyn_relocs = NULL;
2386 /* Finally, allocate space. */
2387 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2389 asection *sreloc = elf_section_data (p->sec)->sreloc;
2390 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2396 /* Allocate space in .plt, .got and associated reloc sections for
2397 local dynamic relocs. */
2400 allocate_local_dynrelocs (void **slot, void *inf)
2402 struct elf_link_hash_entry *h
2403 = (struct elf_link_hash_entry *) *slot;
2405 if (h->type != STT_GNU_IFUNC
2409 || h->root.type != bfd_link_hash_defined)
2412 return allocate_dynrelocs (h, inf);
2415 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2416 read-only sections. */
2419 maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2423 if (h->root.type == bfd_link_hash_indirect)
2426 sec = readonly_dynrelocs (h);
2429 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2431 info->flags |= DF_TEXTREL;
2432 info->callbacks->minfo
2433 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
2434 sec->owner, h->root.root.string, sec);
2436 /* Not an error, just cut short the traversal. */
2442 /* Return true if the dynamic symbol for a given section should be
2443 omitted when creating a shared library. */
2446 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2447 struct bfd_link_info *info,
2450 /* We keep the .got section symbol so that explicit relocations
2451 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2452 can be turned into relocations against the .got symbol. */
2453 if (strcmp (p->name, ".got") == 0)
2456 return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
2459 /* Set the sizes of the dynamic sections. */
2462 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2463 struct bfd_link_info *info)
2465 struct _bfd_sparc_elf_link_hash_table *htab;
2470 htab = _bfd_sparc_elf_hash_table (info);
2471 BFD_ASSERT (htab != NULL);
2472 dynobj = htab->elf.dynobj;
2473 BFD_ASSERT (dynobj != NULL);
2475 if (elf_hash_table (info)->dynamic_sections_created)
2477 /* Set the contents of the .interp section to the interpreter. */
2478 if (bfd_link_executable (info) && !info->nointerp)
2480 s = bfd_get_linker_section (dynobj, ".interp");
2481 BFD_ASSERT (s != NULL);
2482 s->size = htab->dynamic_interpreter_size;
2483 s->contents = (unsigned char *) htab->dynamic_interpreter;
2488 /* Set up .got offsets for local syms, and space for local dynamic
2490 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2492 bfd_signed_vma *local_got;
2493 bfd_signed_vma *end_local_got;
2494 char *local_tls_type;
2495 bfd_size_type locsymcount;
2496 Elf_Internal_Shdr *symtab_hdr;
2499 if (! is_sparc_elf (ibfd))
2502 for (s = ibfd->sections; s != NULL; s = s->next)
2504 struct elf_dyn_relocs *p;
2506 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2508 if (!bfd_is_abs_section (p->sec)
2509 && bfd_is_abs_section (p->sec->output_section))
2511 /* Input section has been discarded, either because
2512 it is a copy of a linkonce section or due to
2513 linker script /DISCARD/, so we'll be discarding
2516 else if (htab->is_vxworks
2517 && strcmp (p->sec->output_section->name,
2520 /* Relocations in vxworks .tls_vars sections are
2521 handled specially by the loader. */
2523 else if (p->count != 0)
2525 srel = elf_section_data (p->sec)->sreloc;
2526 if (!htab->elf.dynamic_sections_created)
2527 srel = htab->elf.irelplt;
2528 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2529 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2531 info->flags |= DF_TEXTREL;
2532 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2533 p->sec->owner, p->sec);
2539 local_got = elf_local_got_refcounts (ibfd);
2543 symtab_hdr = &elf_symtab_hdr (ibfd);
2544 locsymcount = symtab_hdr->sh_info;
2545 end_local_got = local_got + locsymcount;
2546 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2548 srel = htab->elf.srelgot;
2549 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2553 *local_got = s->size;
2554 s->size += SPARC_ELF_WORD_BYTES (htab);
2555 if (*local_tls_type == GOT_TLS_GD)
2556 s->size += SPARC_ELF_WORD_BYTES (htab);
2557 if (bfd_link_pic (info)
2558 || *local_tls_type == GOT_TLS_GD
2559 || *local_tls_type == GOT_TLS_IE)
2560 srel->size += SPARC_ELF_RELA_BYTES (htab);
2563 *local_got = (bfd_vma) -1;
2567 if (htab->tls_ldm_got.refcount > 0)
2569 /* Allocate 2 got entries and 1 dynamic reloc for
2570 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2571 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2572 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2573 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2576 htab->tls_ldm_got.offset = -1;
2578 /* Allocate global sym .plt and .got entries, and space for global
2579 sym dynamic relocs. */
2580 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2582 /* Allocate .plt and .got entries, and space for local symbols. */
2583 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2585 if (! ABI_64_P (output_bfd)
2586 && !htab->is_vxworks
2587 && elf_hash_table (info)->dynamic_sections_created)
2589 /* Make space for the trailing nop in .plt. */
2590 if (htab->elf.splt->size > 0)
2591 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2593 /* If the .got section is more than 0x1000 bytes, we add
2594 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2595 bit relocations have a greater chance of working.
2597 FIXME: Make this optimization work for 64-bit too. */
2598 if (htab->elf.sgot->size >= 0x1000
2599 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2600 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2603 /* The check_relocs and adjust_dynamic_symbol entry points have
2604 determined the sizes of the various dynamic sections. Allocate
2606 for (s = dynobj->sections; s != NULL; s = s->next)
2608 if ((s->flags & SEC_LINKER_CREATED) == 0)
2611 if (s == htab->elf.splt
2612 || s == htab->elf.sgot
2613 || s == htab->elf.sdynbss
2614 || s == htab->elf.sdynrelro
2615 || s == htab->elf.iplt
2616 || s == htab->elf.sgotplt)
2618 /* Strip this section if we don't need it; see the
2621 else if (CONST_STRNEQ (s->name, ".rela"))
2625 /* We use the reloc_count field as a counter if we need
2626 to copy relocs into the output file. */
2632 /* It's not one of our sections. */
2638 /* If we don't need this section, strip it from the
2639 output file. This is mostly to handle .rela.bss and
2640 .rela.plt. We must create both sections in
2641 create_dynamic_sections, because they must be created
2642 before the linker maps input sections to output
2643 sections. The linker does that before
2644 adjust_dynamic_symbol is called, and it is that
2645 function which decides whether anything needs to go
2646 into these sections. */
2647 s->flags |= SEC_EXCLUDE;
2651 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2654 /* Allocate memory for the section contents. Zero the memory
2655 for the benefit of .rela.plt, which has 4 unused entries
2656 at the beginning, and we don't want garbage. */
2657 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2658 if (s->contents == NULL)
2662 if (elf_hash_table (info)->dynamic_sections_created)
2664 /* Add some entries to the .dynamic section. We fill in the
2665 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2666 must add the entries now so that we get the correct size for
2667 the .dynamic section. The DT_DEBUG entry is filled in by the
2668 dynamic linker and used by the debugger. */
2669 #define add_dynamic_entry(TAG, VAL) \
2670 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2672 if (bfd_link_executable (info))
2674 if (!add_dynamic_entry (DT_DEBUG, 0))
2678 if (htab->elf.srelplt->size != 0)
2680 if (!add_dynamic_entry (DT_PLTGOT, 0)
2681 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2682 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2683 || !add_dynamic_entry (DT_JMPREL, 0))
2687 if (!add_dynamic_entry (DT_RELA, 0)
2688 || !add_dynamic_entry (DT_RELASZ, 0)
2689 || !add_dynamic_entry (DT_RELAENT,
2690 SPARC_ELF_RELA_BYTES (htab)))
2693 /* If any dynamic relocs apply to a read-only section,
2694 then we need a DT_TEXTREL entry. */
2695 if ((info->flags & DF_TEXTREL) == 0)
2696 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
2698 if (info->flags & DF_TEXTREL)
2700 if (!add_dynamic_entry (DT_TEXTREL, 0))
2704 if (ABI_64_P (output_bfd))
2707 struct _bfd_sparc_elf_app_reg * app_regs;
2708 struct elf_strtab_hash *dynstr;
2709 struct elf_link_hash_table *eht = elf_hash_table (info);
2711 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2712 entries if needed. */
2713 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2714 dynstr = eht->dynstr;
2716 for (reg = 0; reg < 4; reg++)
2717 if (app_regs [reg].name != NULL)
2719 struct elf_link_local_dynamic_entry *entry, *e;
2721 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2724 entry = (struct elf_link_local_dynamic_entry *)
2725 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2729 /* We cheat here a little bit: the symbol will not be local, so we
2730 put it at the end of the dynlocal linked list. We will fix it
2731 later on, as we have to fix other fields anyway. */
2732 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2733 entry->isym.st_size = 0;
2734 if (*app_regs [reg].name != '\0')
2736 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2738 entry->isym.st_name = 0;
2739 entry->isym.st_other = 0;
2740 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2742 entry->isym.st_shndx = app_regs [reg].shndx;
2743 entry->isym.st_target_internal = 0;
2745 entry->input_bfd = output_bfd;
2746 entry->input_indx = -1;
2748 if (eht->dynlocal == NULL)
2749 eht->dynlocal = entry;
2752 for (e = eht->dynlocal; e->next; e = e->next)
2759 if (htab->is_vxworks
2760 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2763 #undef add_dynamic_entry
2769 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2771 if (!sec->used_by_bfd)
2773 struct _bfd_sparc_elf_section_data *sdata;
2774 bfd_size_type amt = sizeof (*sdata);
2776 sdata = bfd_zalloc (abfd, amt);
2779 sec->used_by_bfd = sdata;
2782 return _bfd_elf_new_section_hook (abfd, sec);
2786 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2787 struct bfd_section *section,
2788 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2791 if (bfd_link_relocatable (link_info))
2792 (*link_info->callbacks->einfo)
2793 (_("%P%F: --relax and -r may not be used together\n"));
2796 sec_do_relax (section) = 1;
2800 /* Return the base VMA address which should be subtracted from real addresses
2801 when resolving @dtpoff relocation.
2802 This is PT_TLS segment p_vaddr. */
2805 dtpoff_base (struct bfd_link_info *info)
2807 /* If tls_sec is NULL, we should have signalled an error already. */
2808 if (elf_hash_table (info)->tls_sec == NULL)
2810 return elf_hash_table (info)->tls_sec->vma;
2813 /* Return the relocation value for @tpoff relocation
2814 if STT_TLS virtual address is ADDRESS. */
2817 tpoff (struct bfd_link_info *info, bfd_vma address)
2819 struct elf_link_hash_table *htab = elf_hash_table (info);
2820 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2821 bfd_vma static_tls_size;
2823 /* If tls_sec is NULL, we should have signalled an error already. */
2824 if (htab->tls_sec == NULL)
2827 /* Consider special static TLS alignment requirements. */
2828 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2829 return address - static_tls_size - htab->tls_sec->vma;
2832 /* Return the relocation value for a %gdop relocation. */
2835 gdopoff (struct bfd_link_info *info, bfd_vma address)
2837 struct elf_link_hash_table *htab = elf_hash_table (info);
2840 got_base = (htab->hgot->root.u.def.value
2841 + htab->hgot->root.u.def.section->output_offset
2842 + htab->hgot->root.u.def.section->output_section->vma);
2844 return address - got_base;
2847 /* Return whether H is local and its ADDRESS is within 4G of
2848 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2849 sethi, xor sequence. */
2852 gdop_relative_offset_ok (struct bfd_link_info *info,
2853 struct elf_link_hash_entry *h,
2854 bfd_vma address ATTRIBUTE_UNUSED)
2856 if (!SYMBOL_REFERENCES_LOCAL (info, h))
2858 /* If H is undefined, ADDRESS will be zero. We can't allow a
2859 relative offset to "zero" when producing PIEs or shared libs.
2860 Note that to get here with an undefined symbol it must also be
2861 hidden or internal visibility. */
2862 if (bfd_link_pic (info)
2864 && (h->root.type == bfd_link_hash_undefweak
2865 || h->root.type == bfd_link_hash_undefined))
2868 return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
2874 /* Relocate a SPARC ELF section. */
2877 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2878 struct bfd_link_info *info,
2880 asection *input_section,
2882 Elf_Internal_Rela *relocs,
2883 Elf_Internal_Sym *local_syms,
2884 asection **local_sections)
2886 struct _bfd_sparc_elf_link_hash_table *htab;
2887 Elf_Internal_Shdr *symtab_hdr;
2888 struct elf_link_hash_entry **sym_hashes;
2889 bfd_vma *local_got_offsets;
2892 Elf_Internal_Rela *rel;
2893 Elf_Internal_Rela *relend;
2895 bfd_boolean is_vxworks_tls;
2897 htab = _bfd_sparc_elf_hash_table (info);
2898 BFD_ASSERT (htab != NULL);
2899 symtab_hdr = &elf_symtab_hdr (input_bfd);
2900 sym_hashes = elf_sym_hashes (input_bfd);
2901 local_got_offsets = elf_local_got_offsets (input_bfd);
2903 if (elf_hash_table (info)->hgot == NULL)
2906 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2908 sreloc = elf_section_data (input_section)->sreloc;
2909 /* We have to handle relocations in vxworks .tls_vars sections
2910 specially, because the dynamic loader is 'weird'. */
2911 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
2912 && !strcmp (input_section->output_section->name,
2916 if (ABI_64_P (output_bfd))
2917 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2919 num_relocs = input_section->reloc_count;
2920 relend = relocs + num_relocs;
2921 for (; rel < relend; rel++)
2923 int r_type, tls_type;
2924 reloc_howto_type *howto;
2925 unsigned long r_symndx;
2926 struct elf_link_hash_entry *h;
2927 struct _bfd_sparc_elf_link_hash_entry *eh;
2928 Elf_Internal_Sym *sym;
2930 bfd_vma relocation, off;
2931 bfd_reloc_status_type r;
2932 bfd_boolean is_plt = FALSE;
2933 bfd_boolean unresolved_reloc;
2934 bfd_boolean resolved_to_zero;
2935 bfd_boolean relative_reloc;
2937 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2938 if (r_type == R_SPARC_GNU_VTINHERIT
2939 || r_type == R_SPARC_GNU_VTENTRY)
2942 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2944 bfd_set_error (bfd_error_bad_value);
2948 howto = _bfd_sparc_elf_howto_table + r_type;
2949 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2953 unresolved_reloc = FALSE;
2954 if (r_symndx < symtab_hdr->sh_info)
2956 sym = local_syms + r_symndx;
2957 sec = local_sections[r_symndx];
2958 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2960 if (!bfd_link_relocatable (info)
2961 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2963 /* Relocate against local STT_GNU_IFUNC symbol. */
2964 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
2969 /* Set STT_GNU_IFUNC symbol value. */
2970 h->root.u.def.value = sym->st_value;
2971 h->root.u.def.section = sec;
2976 bfd_boolean warned, ignored;
2978 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2979 r_symndx, symtab_hdr, sym_hashes,
2981 unresolved_reloc, warned, ignored);
2984 /* To avoid generating warning messages about truncated
2985 relocations, set the relocation's address to be the same as
2986 the start of this section. */
2987 if (input_section->output_section != NULL)
2988 relocation = input_section->output_section->vma;
2994 if (sec != NULL && discarded_section (sec))
2995 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2996 rel, 1, relend, howto, 0, contents);
2998 if (bfd_link_relocatable (info))
3002 && h->type == STT_GNU_IFUNC
3008 if ((input_section->flags & SEC_ALLOC) == 0
3009 || h->plt.offset == (bfd_vma) -1)
3011 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
3012 STT_GNU_IFUNC symbol as STT_FUNC. */
3013 if (elf_section_type (input_section) == SHT_NOTE)
3018 plt_sec = htab->elf.splt;
3020 plt_sec =htab->elf.iplt;
3024 case R_SPARC_GOTDATA_OP:
3027 case R_SPARC_GOTDATA_OP_HIX22:
3028 case R_SPARC_GOTDATA_OP_LOX10:
3029 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3032 howto = _bfd_sparc_elf_howto_table + r_type;
3038 if (htab->elf.sgot == NULL)
3040 off = h->got.offset;
3041 if (off == (bfd_vma) -1)
3043 relocation = htab->elf.sgot->output_offset + off - got_base;
3046 case R_SPARC_WPLT30:
3047 case R_SPARC_WDISP30:
3048 relocation = (plt_sec->output_section->vma
3049 + plt_sec->output_offset + h->plt.offset);
3054 if (bfd_link_pic (info) && h->non_got_ref)
3056 Elf_Internal_Rela outrel;
3059 offset = _bfd_elf_section_offset (output_bfd, info,
3062 if (offset == (bfd_vma) -1
3063 || offset == (bfd_vma) -2)
3066 outrel.r_offset = (input_section->output_section->vma
3067 + input_section->output_offset
3070 if (h->dynindx == -1
3072 || bfd_link_executable (info))
3074 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3075 0, R_SPARC_IRELATIVE);
3076 outrel.r_addend = relocation + rel->r_addend;
3080 if (h->dynindx == -1)
3082 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3083 outrel.r_addend = rel->r_addend;
3086 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3090 relocation = (plt_sec->output_section->vma
3091 + plt_sec->output_offset + h->plt.offset);
3096 /* We should only see such relocs in static links. */
3097 if (bfd_link_pic (info))
3099 relocation = (plt_sec->output_section->vma
3100 + plt_sec->output_offset + h->plt.offset);
3104 if (h->root.root.string)
3105 name = h->root.root.string;
3107 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3110 /* xgettext:c-format */
3111 (_("%pB: relocation %s against STT_GNU_IFUNC "
3112 "symbol `%s' isn't handled by %s"), input_bfd,
3113 _bfd_sparc_elf_howto_table[r_type].name,
3114 name, __FUNCTION__);
3115 bfd_set_error (bfd_error_bad_value);
3121 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
3122 resolved_to_zero = eh && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
3126 case R_SPARC_GOTDATA_OP_HIX22:
3127 case R_SPARC_GOTDATA_OP_LOX10:
3128 if (gdop_relative_offset_ok (info, h, relocation))
3130 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3131 ? R_SPARC_GOTDATA_HIX22
3132 : R_SPARC_GOTDATA_LOX10);
3133 howto = _bfd_sparc_elf_howto_table + r_type;
3137 case R_SPARC_GOTDATA_OP:
3138 if (gdop_relative_offset_ok (info, h, relocation))
3140 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3142 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3143 relocation = 0x80000000 | (insn & 0x3e07c01f);
3144 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3146 /* If the symbol is global but not dynamic, an .rela.* slot has
3147 been allocated for it in the GOT so output R_SPARC_NONE here,
3148 if it isn't also subject to another, old-style GOT relocation.
3149 See also the handling of these GOT relocations just below. */
3153 && h->root.type != bfd_link_hash_undefweak
3154 && !eh->has_old_style_got_reloc
3155 && (h->got.offset & 1) == 0
3156 && bfd_link_pic (info))
3158 asection *s = htab->elf.srelgot;
3159 Elf_Internal_Rela outrel;
3161 BFD_ASSERT (s != NULL);
3163 memset (&outrel, 0, sizeof outrel);
3164 sparc_elf_append_rela (output_bfd, s, &outrel);
3173 case R_SPARC_GOTDATA_HIX22:
3174 case R_SPARC_GOTDATA_LOX10:
3175 relocation = gdopoff (info, relocation);
3178 case R_SPARC_GOTDATA_OP_HIX22:
3179 case R_SPARC_GOTDATA_OP_LOX10:
3183 /* Relocation is to the entry for this symbol in the global
3185 if (htab->elf.sgot == NULL)
3188 relative_reloc = FALSE;
3193 off = h->got.offset;
3194 BFD_ASSERT (off != (bfd_vma) -1);
3195 dyn = elf_hash_table (info)->dynamic_sections_created;
3197 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3198 bfd_link_pic (info),
3200 || (bfd_link_pic (info)
3201 && SYMBOL_REFERENCES_LOCAL (info, h)))
3203 /* This is actually a static link, or it is a
3204 -Bsymbolic link and the symbol is defined
3205 locally, or the symbol was forced to be local
3206 because of a version file. We must initialize
3207 this entry in the global offset table. Since the
3208 offset must always be a multiple of 8 for 64-bit
3209 and 4 for 32-bit, we use the least significant bit
3210 to record whether we have initialized it already.
3212 When doing a dynamic link, we create a .rela.got
3213 relocation entry to initialize the value. This
3214 is done in the finish_dynamic_symbol routine. */
3219 /* If this symbol isn't dynamic in PIC mode, treat it
3220 like a local symbol in PIC mode below. */
3221 if (h->dynindx == -1
3223 && h->root.type != bfd_link_hash_undefweak
3224 && bfd_link_pic (info))
3225 relative_reloc = TRUE;
3227 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3228 htab->elf.sgot->contents + off);
3233 unresolved_reloc = FALSE;
3237 BFD_ASSERT (local_got_offsets != NULL
3238 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3240 off = local_got_offsets[r_symndx];
3242 /* The offset must always be a multiple of 8 on 64-bit and
3243 4 on 32-bit. We use the least significant bit to record
3244 whether we have already processed this entry. */
3249 /* For a local symbol in PIC mode, we need to generate a
3250 R_SPARC_RELATIVE reloc for the dynamic linker. */
3251 if (bfd_link_pic (info))
3252 relative_reloc = TRUE;
3254 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3255 htab->elf.sgot->contents + off);
3256 local_got_offsets[r_symndx] |= 1;
3262 asection *s = htab->elf.srelgot;
3263 Elf_Internal_Rela outrel;
3265 BFD_ASSERT (s != NULL);
3267 outrel.r_offset = (htab->elf.sgot->output_section->vma
3268 + htab->elf.sgot->output_offset
3270 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3271 0, R_SPARC_RELATIVE);
3272 outrel.r_addend = relocation;
3273 sparc_elf_append_rela (output_bfd, s, &outrel);
3274 /* Versions of glibc ld.so at least up to 2.26 wrongly
3275 add the section contents to the value calculated for
3276 a RELATIVE reloc. Zero the contents to work around
3279 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3280 htab->elf.sgot->contents + off);
3283 relocation = htab->elf.sgot->output_offset + off - got_base;
3288 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3290 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3295 case R_SPARC_WPLT30:
3296 case R_SPARC_HIPLT22:
3297 case R_SPARC_LOPLT10:
3298 case R_SPARC_PCPLT32:
3299 case R_SPARC_PCPLT22:
3300 case R_SPARC_PCPLT10:
3302 /* Relocation is to the entry for this symbol in the
3303 procedure linkage table. */
3305 if (! ABI_64_P (output_bfd))
3307 /* The Solaris native assembler will generate a WPLT30 reloc
3308 for a local symbol if you assemble a call from one
3309 section to another when using -K pic. We treat it as
3314 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3315 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3319 BFD_ASSERT (h != NULL);
3322 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3324 /* We didn't make a PLT entry for this symbol. This
3325 happens when statically linking PIC code, or when
3326 using -Bsymbolic. */
3330 relocation = (htab->elf.splt->output_section->vma
3331 + htab->elf.splt->output_offset
3333 unresolved_reloc = FALSE;
3334 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3336 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3344 case R_SPARC_PC_HH22:
3345 case R_SPARC_PC_HM10:
3346 case R_SPARC_PC_LM22:
3348 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3352 case R_SPARC_DISP16:
3353 case R_SPARC_DISP32:
3354 case R_SPARC_DISP64:
3355 case R_SPARC_WDISP30:
3356 case R_SPARC_WDISP22:
3357 case R_SPARC_WDISP19:
3358 case R_SPARC_WDISP16:
3359 case R_SPARC_WDISP10:
3387 if ((input_section->flags & SEC_ALLOC) == 0 || is_vxworks_tls)
3390 /* Copy dynamic function pointer relocations. Don't generate
3391 dynamic relocations against resolved undefined weak symbols
3393 if ((bfd_link_pic (info)
3395 || !(h->root.type == bfd_link_hash_undefweak
3396 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3397 || resolved_to_zero)))
3398 && (! howto->pc_relative
3399 || !SYMBOL_CALLS_LOCAL (info, h)))
3400 || (!bfd_link_pic (info)
3406 || (h->root.type == bfd_link_hash_undefweak
3407 && !resolved_to_zero)
3408 || h->root.type == bfd_link_hash_undefined)))
3410 Elf_Internal_Rela outrel;
3411 bfd_boolean skip, relocate = FALSE;
3413 /* When generating a shared object, these relocations
3414 are copied into the output file to be resolved at run
3417 BFD_ASSERT (sreloc != NULL);
3422 _bfd_elf_section_offset (output_bfd, info, input_section,
3424 if (outrel.r_offset == (bfd_vma) -1)
3426 else if (outrel.r_offset == (bfd_vma) -2)
3427 skip = TRUE, relocate = TRUE;
3428 outrel.r_offset += (input_section->output_section->vma
3429 + input_section->output_offset);
3431 /* Optimize unaligned reloc usage now that we know where
3432 it finally resides. */
3436 if (outrel.r_offset & 1)
3437 r_type = R_SPARC_UA16;
3440 if (!(outrel.r_offset & 1))
3441 r_type = R_SPARC_16;
3444 if (outrel.r_offset & 3)
3445 r_type = R_SPARC_UA32;
3448 if (!(outrel.r_offset & 3))
3449 r_type = R_SPARC_32;
3452 if (outrel.r_offset & 7)
3453 r_type = R_SPARC_UA64;
3456 if (!(outrel.r_offset & 7))
3457 r_type = R_SPARC_64;
3460 case R_SPARC_DISP16:
3461 case R_SPARC_DISP32:
3462 case R_SPARC_DISP64:
3463 /* If the symbol is not dynamic, we should not keep
3464 a dynamic relocation. But an .rela.* slot has been
3465 allocated for it, output R_SPARC_NONE.
3466 FIXME: Add code tracking needed dynamic relocs as
3468 if (h->dynindx == -1)
3469 skip = TRUE, relocate = TRUE;
3474 memset (&outrel, 0, sizeof outrel);
3475 /* h->dynindx may be -1 if the symbol was marked to
3479 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3480 || !bfd_link_pic (info)
3481 || !SYMBOLIC_BIND (info, h)
3482 || !h->def_regular))
3484 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3485 outrel.r_addend = rel->r_addend;
3489 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3490 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
3492 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3493 0, R_SPARC_RELATIVE);
3494 outrel.r_addend = relocation + rel->r_addend;
3500 outrel.r_addend = relocation + rel->r_addend;
3503 sec = htab->elf.splt;
3505 if (bfd_is_abs_section (sec))
3507 else if (sec == NULL || sec->owner == NULL)
3509 bfd_set_error (bfd_error_bad_value);
3516 /* We are turning this relocation into one
3517 against a section symbol. It would be
3518 proper to subtract the symbol's value,
3519 osec->vma, from the emitted reloc addend,
3520 but ld.so expects buggy relocs. */
3521 osec = sec->output_section;
3522 indx = elf_section_data (osec)->dynindx;
3526 osec = htab->elf.text_index_section;
3527 indx = elf_section_data (osec)->dynindx;
3530 /* FIXME: we really should be able to link non-pic
3531 shared libraries. */
3536 (_("%pB: probably compiled without -fPIC?"),
3538 bfd_set_error (bfd_error_bad_value);
3543 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3548 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3550 /* This reloc will be computed at runtime, so there's no
3551 need to do anything now. */
3557 case R_SPARC_TLS_GD_HI22:
3558 case R_SPARC_TLS_GD_LO10:
3559 case R_SPARC_TLS_IE_HI22:
3560 case R_SPARC_TLS_IE_LO10:
3561 r_type = sparc_elf_tls_transition (info, input_bfd, r_type,
3562 h == NULL || h->dynindx == -1);
3563 if (r_type == R_SPARC_REV32)
3566 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3567 else if (local_got_offsets)
3568 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3570 tls_type = GOT_UNKNOWN;
3571 if (tls_type == GOT_TLS_IE)
3574 case R_SPARC_TLS_GD_HI22:
3575 r_type = R_SPARC_TLS_IE_HI22;
3577 case R_SPARC_TLS_GD_LO10:
3578 r_type = R_SPARC_TLS_IE_LO10;
3582 if (r_type == R_SPARC_TLS_LE_HIX22)
3584 relocation = tpoff (info, relocation);
3587 if (r_type == R_SPARC_TLS_LE_LOX10)
3589 /* Change add into xor. */
3590 relocation = tpoff (info, relocation);
3591 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3592 contents + rel->r_offset)
3593 | 0x80182000), contents + rel->r_offset);
3599 off = h->got.offset;
3604 BFD_ASSERT (local_got_offsets != NULL);
3605 off = local_got_offsets[r_symndx];
3606 local_got_offsets[r_symndx] |= 1;
3610 if (htab->elf.sgot == NULL)
3617 Elf_Internal_Rela outrel;
3620 if (htab->elf.srelgot == NULL)
3623 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3624 htab->elf.sgot->contents + off);
3625 outrel.r_offset = (htab->elf.sgot->output_section->vma
3626 + htab->elf.sgot->output_offset + off);
3627 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3628 if (r_type == R_SPARC_TLS_IE_HI22
3629 || r_type == R_SPARC_TLS_IE_LO10)
3630 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3632 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3633 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3634 outrel.r_addend = relocation - dtpoff_base (info);
3636 outrel.r_addend = 0;
3637 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3638 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3640 if (r_type == R_SPARC_TLS_GD_HI22
3641 || r_type == R_SPARC_TLS_GD_LO10)
3645 BFD_ASSERT (! unresolved_reloc);
3646 SPARC_ELF_PUT_WORD (htab, output_bfd,
3647 relocation - dtpoff_base (info),
3648 (htab->elf.sgot->contents + off
3649 + SPARC_ELF_WORD_BYTES (htab)));
3653 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3654 (htab->elf.sgot->contents + off
3655 + SPARC_ELF_WORD_BYTES (htab)));
3656 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3657 SPARC_ELF_DTPOFF_RELOC (htab));
3658 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3659 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3663 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3665 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3666 (htab->elf.sgot->contents + off
3667 + SPARC_ELF_WORD_BYTES (htab)));
3671 if (off >= (bfd_vma) -2)
3674 relocation = htab->elf.sgot->output_offset + off - got_base;
3675 unresolved_reloc = FALSE;
3676 howto = _bfd_sparc_elf_howto_table + r_type;
3679 case R_SPARC_TLS_LDM_HI22:
3680 case R_SPARC_TLS_LDM_LO10:
3682 if (bfd_link_executable (info))
3684 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3687 off = htab->tls_ldm_got.offset;
3688 htab->tls_ldm_got.offset |= 1;
3689 goto r_sparc_tlsldm;
3691 case R_SPARC_TLS_LDO_HIX22:
3692 case R_SPARC_TLS_LDO_LOX10:
3694 if (bfd_link_executable (info))
3696 if (r_type == R_SPARC_TLS_LDO_HIX22)
3697 r_type = R_SPARC_TLS_LE_HIX22;
3699 r_type = R_SPARC_TLS_LE_LOX10;
3703 relocation -= dtpoff_base (info);
3708 case R_SPARC_TLS_LE_HIX22:
3709 case R_SPARC_TLS_LE_LOX10:
3710 if (!bfd_link_executable (info))
3712 Elf_Internal_Rela outrel;
3714 = _bfd_elf_section_offset (output_bfd, info, input_section,
3716 if (offset == (bfd_vma) -1 || offset == (bfd_vma) -2)
3717 memset (&outrel, 0, sizeof outrel);
3720 outrel.r_offset = offset
3721 + input_section->output_section->vma
3722 + input_section->output_offset;
3723 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3725 = relocation - dtpoff_base (info) + rel->r_addend;
3728 BFD_ASSERT (sreloc != NULL);
3729 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3732 relocation = tpoff (info, relocation);
3735 case R_SPARC_TLS_LDM_CALL:
3737 if (bfd_link_executable (info))
3740 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3745 case R_SPARC_TLS_GD_CALL:
3747 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3748 else if (local_got_offsets)
3749 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3751 tls_type = GOT_UNKNOWN;
3752 /* GD -> IE or LE */
3753 if (bfd_link_executable (info)
3754 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3756 Elf_Internal_Rela *rel2;
3760 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3762 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3767 if (rel + 1 < relend
3768 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3769 && rel[1].r_offset == rel->r_offset + 4
3770 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3771 && (((insn = bfd_get_32 (input_bfd,
3772 contents + rel[1].r_offset))
3773 >> 25) & 0x1f) == 8)
3776 call __tls_get_addr, %tgd_call(foo)
3777 add %reg1, %reg2, %o0, %tgd_add(foo)
3778 and change it into IE:
3779 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3780 add %g7, %o0, %o0, %tie_add(foo).
3781 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3782 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3783 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3784 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3785 contents + rel->r_offset);
3786 bfd_put_32 (output_bfd, 0x9001c008,
3787 contents + rel->r_offset + 4);
3792 /* We cannot just overwrite the delay slot instruction,
3793 as it might be what puts the %o0 argument to
3794 __tls_get_addr into place. So we have to transpose
3795 the delay slot with the add we patch in. */
3796 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3797 bfd_put_32 (output_bfd, insn,
3798 contents + rel->r_offset);
3799 bfd_put_32 (output_bfd, 0x9001c008,
3800 contents + rel->r_offset + 4);
3803 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3807 /* If the instruction we moved has a relocation attached to
3808 it, adjust the offset so that it will apply to the correct
3810 rel2->r_offset -= 4;
3815 h = (struct elf_link_hash_entry *)
3816 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3818 BFD_ASSERT (h != NULL);
3819 r_type = R_SPARC_WPLT30;
3820 howto = _bfd_sparc_elf_howto_table + r_type;
3821 goto r_sparc_wplt30;
3823 case R_SPARC_TLS_GD_ADD:
3825 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3826 else if (local_got_offsets)
3827 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3829 tls_type = GOT_UNKNOWN;
3830 /* GD -> IE or LE */
3831 if (bfd_link_executable (info) || tls_type == GOT_TLS_IE)
3833 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3835 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3837 add %g7, %reg2, %reg3. */
3838 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3839 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3840 relocation = (insn & ~0x7c000) | 0x1c000;
3842 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3843 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3847 case R_SPARC_TLS_LDM_ADD:
3849 if (bfd_link_executable (info))
3850 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3853 case R_SPARC_TLS_LDO_ADD:
3855 if (bfd_link_executable (info))
3857 /* Change rs1 into %g7. */
3858 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3859 insn = (insn & ~0x7c000) | 0x1c000;
3860 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3864 case R_SPARC_TLS_IE_LD:
3865 case R_SPARC_TLS_IE_LDX:
3867 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
3869 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3870 int rs2 = insn & 0x1f;
3871 int rd = (insn >> 25) & 0x1f;
3874 relocation = SPARC_NOP;
3876 relocation = 0x80100000 | (insn & 0x3e00001f);
3877 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3881 case R_SPARC_TLS_IE_ADD:
3882 /* Totally useless relocation. */
3885 case R_SPARC_TLS_DTPOFF32:
3886 case R_SPARC_TLS_DTPOFF64:
3887 relocation -= dtpoff_base (info);
3894 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3895 because such sections are not SEC_ALLOC and thus ld.so will
3896 not process them. */
3897 if (unresolved_reloc
3898 && !((input_section->flags & SEC_DEBUGGING) != 0
3900 && _bfd_elf_section_offset (output_bfd, info, input_section,
3901 rel->r_offset) != (bfd_vma) -1)
3903 /* xgettext:c-format */
3904 (_("%pB(%pA+%#" PRIx64 "): "
3905 "unresolvable %s relocation against symbol `%s'"),
3908 (uint64_t) rel->r_offset,
3910 h->root.root.string);
3912 r = bfd_reloc_continue;
3913 if (r_type == R_SPARC_OLO10)
3917 if (! ABI_64_P (output_bfd))
3920 relocation += rel->r_addend;
3921 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3923 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3924 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3925 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3927 r = bfd_check_overflow (howto->complain_on_overflow,
3928 howto->bitsize, howto->rightshift,
3929 bfd_arch_bits_per_address (input_bfd),
3932 else if (r_type == R_SPARC_WDISP16)
3936 relocation += rel->r_addend;
3937 relocation -= (input_section->output_section->vma
3938 + input_section->output_offset);
3939 relocation -= rel->r_offset;
3941 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3942 x |= ((((relocation >> 2) & 0xc000) << 6)
3943 | ((relocation >> 2) & 0x3fff));
3944 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3946 r = bfd_check_overflow (howto->complain_on_overflow,
3947 howto->bitsize, howto->rightshift,
3948 bfd_arch_bits_per_address (input_bfd),
3951 else if (r_type == R_SPARC_WDISP10)
3955 relocation += rel->r_addend;
3956 relocation -= (input_section->output_section->vma
3957 + input_section->output_offset);
3958 relocation -= rel->r_offset;
3960 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3961 x |= ((((relocation >> 2) & 0x300) << 11)
3962 | (((relocation >> 2) & 0xff) << 5));
3963 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3965 r = bfd_check_overflow (howto->complain_on_overflow,
3966 howto->bitsize, howto->rightshift,
3967 bfd_arch_bits_per_address (input_bfd),
3970 else if (r_type == R_SPARC_REV32)
3974 relocation = relocation + rel->r_addend;
3976 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3978 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3981 else if (r_type == R_SPARC_TLS_LDO_HIX22
3982 || r_type == R_SPARC_TLS_LE_HIX22)
3986 relocation += rel->r_addend;
3987 if (r_type == R_SPARC_TLS_LE_HIX22)
3988 relocation ^= MINUS_ONE;
3990 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3991 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3992 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3995 else if (r_type == R_SPARC_TLS_LDO_LOX10
3996 || r_type == R_SPARC_TLS_LE_LOX10)
4000 relocation += rel->r_addend;
4001 relocation &= 0x3ff;
4002 if (r_type == R_SPARC_TLS_LE_LOX10)
4003 relocation |= 0x1c00;
4005 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4006 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4007 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4011 else if (r_type == R_SPARC_HIX22
4012 || r_type == R_SPARC_GOTDATA_HIX22
4013 || r_type == R_SPARC_GOTDATA_OP_HIX22)
4017 relocation += rel->r_addend;
4018 if (r_type == R_SPARC_HIX22
4019 || (bfd_signed_vma) relocation < 0)
4020 relocation = relocation ^ MINUS_ONE;
4022 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4023 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4024 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4026 r = bfd_check_overflow (howto->complain_on_overflow,
4027 howto->bitsize, howto->rightshift,
4028 bfd_arch_bits_per_address (input_bfd),
4031 else if (r_type == R_SPARC_LOX10
4032 || r_type == R_SPARC_GOTDATA_LOX10
4033 || r_type == R_SPARC_GOTDATA_OP_LOX10)
4037 relocation += rel->r_addend;
4038 if (r_type == R_SPARC_LOX10
4039 || (bfd_signed_vma) relocation < 0)
4040 relocation = (relocation & 0x3ff) | 0x1c00;
4042 relocation = (relocation & 0x3ff);
4044 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4045 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4046 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4050 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4051 && sec_do_relax (input_section)
4052 && rel->r_offset + 4 < input_section->size)
4056 #define XCC (2 << 20)
4057 #define COND(x) (((x)&0xf)<<25)
4058 #define CONDA COND(0x8)
4059 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4060 #define INSN_BA (F2(0,2) | CONDA)
4061 #define INSN_OR F3(2, 0x2, 0)
4062 #define INSN_NOP F2(0,4)
4066 /* If the instruction is a call with either:
4068 arithmetic instruction with rd == %o7
4069 where rs1 != %o7 and rs2 if it is register != %o7
4070 then we can optimize if the call destination is near
4071 by changing the call into a branch always. */
4072 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4073 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4074 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4076 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4077 || ((y & OP3(0x28)) == 0 /* arithmetic */
4078 && (y & RD(~0)) == RD(O7)))
4079 && (y & RS1(~0)) != RS1(O7)
4081 || (y & RS2(~0)) != RS2(O7)))
4085 reloc = relocation + rel->r_addend - rel->r_offset;
4086 reloc -= (input_section->output_section->vma
4087 + input_section->output_offset);
4089 /* Ensure the branch fits into simm22. */
4090 if ((reloc & 3) == 0
4091 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4092 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4096 /* Check whether it fits into simm19. */
4097 if (((reloc & 0x3c0000) == 0
4098 || (reloc & 0x3c0000) == 0x3c0000)
4099 && (ABI_64_P (output_bfd)
4100 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4101 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4103 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4104 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4106 if (rel->r_offset >= 4
4107 && (y & (0xffffffff ^ RS1(~0)))
4108 == (INSN_OR | RD(O7) | RS2(G0)))
4113 z = bfd_get_32 (input_bfd,
4114 contents + rel->r_offset - 4);
4115 if ((z & (0xffffffff ^ RD(~0)))
4116 != (INSN_OR | RS1(O7) | RS2(G0)))
4124 If call foo was replaced with ba, replace
4125 or %rN, %g0, %o7 with nop. */
4127 reg = (y & RS1(~0)) >> 14;
4128 if (reg != ((z & RD(~0)) >> 25)
4129 || reg == G0 || reg == O7)
4132 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4133 contents + rel->r_offset + 4);
4141 if (r == bfd_reloc_continue)
4144 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4145 contents, rel->r_offset,
4146 relocation, rel->r_addend);
4148 if (r != bfd_reloc_ok)
4153 case bfd_reloc_outofrange:
4155 case bfd_reloc_overflow:
4159 /* The Solaris native linker silently disregards overflows.
4160 We don't, but this breaks stabs debugging info, whose
4161 relocations are only 32-bits wide. Ignore overflows in
4162 this case and also for discarded entries. */
4163 if ((r_type == R_SPARC_32
4164 || r_type == R_SPARC_UA32
4165 || r_type == R_SPARC_DISP32)
4166 && (((input_section->flags & SEC_DEBUGGING) != 0
4167 && strcmp (bfd_section_name (input_bfd,
4170 || _bfd_elf_section_offset (output_bfd, info,
4178 /* Assume this is a call protected by other code that
4179 detect the symbol is undefined. If this is the case,
4180 we can safely ignore the overflow. If not, the
4181 program is hosed anyway, and a little warning isn't
4183 if (h->root.type == bfd_link_hash_undefweak
4184 && howto->pc_relative)
4191 name = bfd_elf_string_from_elf_section (input_bfd,
4192 symtab_hdr->sh_link,
4197 name = bfd_section_name (input_bfd, sec);
4199 (*info->callbacks->reloc_overflow)
4200 (info, (h ? &h->root : NULL), name, howto->name,
4201 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4211 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4212 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4213 is the offset of the associated .got.plt entry from
4214 _GLOBAL_OFFSET_TABLE_. */
4217 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4218 bfd_vma plt_offset, bfd_vma plt_index,
4222 const bfd_vma *plt_entry;
4223 struct _bfd_sparc_elf_link_hash_table *htab;
4225 Elf_Internal_Rela rela;
4227 htab = _bfd_sparc_elf_hash_table (info);
4228 BFD_ASSERT (htab != NULL);
4230 if (bfd_link_pic (info))
4232 plt_entry = sparc_vxworks_shared_plt_entry;
4237 plt_entry = sparc_vxworks_exec_plt_entry;
4238 got_base = (htab->elf.hgot->root.u.def.value
4239 + htab->elf.hgot->root.u.def.section->output_offset
4240 + htab->elf.hgot->root.u.def.section->output_section->vma);
4243 /* Fill in the entry in the procedure linkage table. */
4244 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4245 htab->elf.splt->contents + plt_offset);
4246 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4247 htab->elf.splt->contents + plt_offset + 4);
4248 bfd_put_32 (output_bfd, plt_entry[2],
4249 htab->elf.splt->contents + plt_offset + 8);
4250 bfd_put_32 (output_bfd, plt_entry[3],
4251 htab->elf.splt->contents + plt_offset + 12);
4252 bfd_put_32 (output_bfd, plt_entry[4],
4253 htab->elf.splt->contents + plt_offset + 16);
4254 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4255 htab->elf.splt->contents + plt_offset + 20);
4256 /* PC-relative displacement for a branch to the start of
4258 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4260 htab->elf.splt->contents + plt_offset + 24);
4261 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4262 htab->elf.splt->contents + plt_offset + 28);
4264 /* Fill in the .got.plt entry, pointing initially at the
4265 second half of the PLT entry. */
4266 BFD_ASSERT (htab->elf.sgotplt != NULL);
4267 bfd_put_32 (output_bfd,
4268 htab->elf.splt->output_section->vma
4269 + htab->elf.splt->output_offset
4271 htab->elf.sgotplt->contents + got_offset);
4273 /* Add relocations to .rela.plt.unloaded. */
4274 if (!bfd_link_pic (info))
4276 loc = (htab->srelplt2->contents
4277 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4279 /* Relocate the initial sethi. */
4280 rela.r_offset = (htab->elf.splt->output_section->vma
4281 + htab->elf.splt->output_offset
4283 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4284 rela.r_addend = got_offset;
4285 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4286 loc += sizeof (Elf32_External_Rela);
4288 /* Likewise the following or. */
4290 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4291 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4292 loc += sizeof (Elf32_External_Rela);
4294 /* Relocate the .got.plt entry. */
4295 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4296 + htab->elf.sgotplt->output_offset
4298 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4299 rela.r_addend = plt_offset + 20;
4300 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4304 /* Finish up dynamic symbol handling. We set the contents of various
4305 dynamic sections here. */
4308 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4309 struct bfd_link_info *info,
4310 struct elf_link_hash_entry *h,
4311 Elf_Internal_Sym *sym)
4313 struct _bfd_sparc_elf_link_hash_table *htab;
4314 const struct elf_backend_data *bed;
4315 struct _bfd_sparc_elf_link_hash_entry *eh;
4316 bfd_boolean resolved_to_zero;
4318 htab = _bfd_sparc_elf_hash_table (info);
4319 BFD_ASSERT (htab != NULL);
4320 bed = get_elf_backend_data (output_bfd);
4322 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
4324 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4325 resolved undefined weak symbols in executable so that their
4326 references have value 0 at run-time. */
4327 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
4329 if (h->plt.offset != (bfd_vma) -1)
4333 Elf_Internal_Rela rela;
4335 bfd_vma r_offset, got_offset;
4338 /* When building a static executable, use .iplt and
4339 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4340 if (htab->elf.splt != NULL)
4342 splt = htab->elf.splt;
4343 srela = htab->elf.srelplt;
4347 splt = htab->elf.iplt;
4348 srela = htab->elf.irelplt;
4351 if (splt == NULL || srela == NULL)
4354 /* Fill in the entry in the .rela.plt section. */
4355 if (htab->is_vxworks)
4357 /* Work out the index of this PLT entry. */
4358 rela_index = ((h->plt.offset - htab->plt_header_size)
4359 / htab->plt_entry_size);
4361 /* Calculate the offset of the associated .got.plt entry.
4362 The first three entries are reserved. */
4363 got_offset = (rela_index + 3) * 4;
4365 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4366 rela_index, got_offset);
4369 /* On VxWorks, the relocation points to the .got.plt entry,
4370 not the .plt entry. */
4371 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4372 + htab->elf.sgotplt->output_offset
4375 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4380 bfd_boolean ifunc = FALSE;
4382 /* Fill in the entry in the procedure linkage table. */
4383 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4384 h->plt.offset, splt->size,
4389 || ((bfd_link_executable (info)
4390 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4392 && h->type == STT_GNU_IFUNC))
4395 BFD_ASSERT (h == NULL
4396 || (h->type == STT_GNU_IFUNC
4398 && (h->root.type == bfd_link_hash_defined
4399 || h->root.type == bfd_link_hash_defweak)));
4402 rela.r_offset = r_offset
4403 + (splt->output_section->vma + splt->output_offset);
4404 if (ABI_64_P (output_bfd)
4405 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4409 rela.r_addend = (h->root.u.def.section->output_section->vma
4410 + h->root.u.def.section->output_offset
4411 + h->root.u.def.value);
4412 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4417 rela.r_addend = (-(h->plt.offset + 4)
4418 - splt->output_section->vma
4419 - splt->output_offset);
4420 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4428 rela.r_addend = (h->root.u.def.section->output_section->vma
4429 + h->root.u.def.section->output_offset
4430 + h->root.u.def.value);
4431 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4437 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4443 /* Adjust for the first 4 reserved elements in the .plt section
4444 when setting the offset in the .rela.plt section.
4445 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4446 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4448 loc = srela->contents;
4449 loc += rela_index * bed->s->sizeof_rela;
4450 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4452 if (!resolved_to_zero && !h->def_regular)
4454 /* Mark the symbol as undefined, rather than as defined in
4455 the .plt section. Leave the value alone. */
4456 sym->st_shndx = SHN_UNDEF;
4457 /* If the symbol is weak, we do need to clear the value.
4458 Otherwise, the PLT entry would provide a definition for
4459 the symbol even if the symbol wasn't defined anywhere,
4460 and so the symbol would never be NULL. */
4461 if (!h->ref_regular_nonweak)
4466 /* Don't generate dynamic GOT relocation against resolved undefined weak
4467 symbols in an executable. */
4468 if (h->got.offset != (bfd_vma) -1
4469 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4470 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
4471 && !(h->root.type == bfd_link_hash_undefweak
4472 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
4473 || resolved_to_zero)))
4477 Elf_Internal_Rela rela;
4479 /* This symbol has an entry in the GOT. Set it up. */
4481 sgot = htab->elf.sgot;
4482 srela = htab->elf.srelgot;
4483 BFD_ASSERT (sgot != NULL && srela != NULL);
4485 rela.r_offset = (sgot->output_section->vma
4486 + sgot->output_offset
4487 + (h->got.offset &~ (bfd_vma) 1));
4489 /* If this is a -Bsymbolic link, and the symbol is defined
4490 locally, we just want to emit a RELATIVE reloc. Likewise if
4491 the symbol was forced to be local because of a version file.
4492 The entry in the global offset table will already have been
4493 initialized in the relocate_section function. */
4494 if (! bfd_link_pic (info)
4495 && h->type == STT_GNU_IFUNC
4500 /* We load the GOT entry with the PLT entry. */
4501 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4502 SPARC_ELF_PUT_WORD (htab, output_bfd,
4503 (plt->output_section->vma
4504 + plt->output_offset + h->plt.offset),
4505 htab->elf.sgot->contents
4506 + (h->got.offset & ~(bfd_vma) 1));
4510 if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h))
4512 asection *sec = h->root.u.def.section;
4513 if (h->type == STT_GNU_IFUNC)
4514 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4516 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4517 rela.r_addend = (h->root.u.def.value
4518 + sec->output_section->vma
4519 + sec->output_offset);
4523 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4527 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4528 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4529 sparc_elf_append_rela (output_bfd, srela, &rela);
4535 Elf_Internal_Rela rela;
4537 /* This symbols needs a copy reloc. Set it up. */
4538 BFD_ASSERT (h->dynindx != -1);
4540 rela.r_offset = (h->root.u.def.value
4541 + h->root.u.def.section->output_section->vma
4542 + h->root.u.def.section->output_offset);
4543 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4545 if (h->root.u.def.section == htab->elf.sdynrelro)
4546 s = htab->elf.sreldynrelro;
4548 s = htab->elf.srelbss;
4549 sparc_elf_append_rela (output_bfd, s, &rela);
4552 /* Mark some specially defined symbols as absolute. On VxWorks,
4553 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4554 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4556 && (h == htab->elf.hdynamic
4557 || (!htab->is_vxworks
4558 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4559 sym->st_shndx = SHN_ABS;
4564 /* Finish up the dynamic sections. */
4567 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4568 bfd *dynobj, asection *sdyn,
4569 asection *splt ATTRIBUTE_UNUSED)
4571 struct _bfd_sparc_elf_link_hash_table *htab;
4572 const struct elf_backend_data *bed;
4573 bfd_byte *dyncon, *dynconend;
4575 int stt_regidx = -1;
4576 bfd_boolean abi_64_p;
4578 htab = _bfd_sparc_elf_hash_table (info);
4579 BFD_ASSERT (htab != NULL);
4580 bed = get_elf_backend_data (output_bfd);
4581 dynsize = bed->s->sizeof_dyn;
4582 dynconend = sdyn->contents + sdyn->size;
4583 abi_64_p = ABI_64_P (output_bfd);
4584 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4586 Elf_Internal_Dyn dyn;
4589 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4591 if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4593 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4594 not to the start of the PLT. */
4595 if (htab->elf.sgotplt)
4597 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4598 + htab->elf.sgotplt->output_offset);
4599 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4602 else if (htab->is_vxworks
4603 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4604 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4605 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4607 if (stt_regidx == -1)
4610 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4611 if (stt_regidx == -1)
4614 dyn.d_un.d_val = stt_regidx++;
4615 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4628 s = htab->elf.srelplt;
4632 s = htab->elf.srelplt;
4644 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4646 dyn.d_un.d_val = s->size;
4648 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4654 /* Install the first PLT entry in a VxWorks executable and make sure that
4655 .rela.plt.unloaded relocations have the correct symbol indexes. */
4658 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4660 struct _bfd_sparc_elf_link_hash_table *htab;
4661 Elf_Internal_Rela rela;
4665 htab = _bfd_sparc_elf_hash_table (info);
4666 BFD_ASSERT (htab != NULL);
4668 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4669 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4670 + htab->elf.hgot->root.u.def.section->output_offset
4671 + htab->elf.hgot->root.u.def.value);
4673 /* Install the initial PLT entry. */
4674 bfd_put_32 (output_bfd,
4675 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4676 htab->elf.splt->contents);
4677 bfd_put_32 (output_bfd,
4678 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4679 htab->elf.splt->contents + 4);
4680 bfd_put_32 (output_bfd,
4681 sparc_vxworks_exec_plt0_entry[2],
4682 htab->elf.splt->contents + 8);
4683 bfd_put_32 (output_bfd,
4684 sparc_vxworks_exec_plt0_entry[3],
4685 htab->elf.splt->contents + 12);
4686 bfd_put_32 (output_bfd,
4687 sparc_vxworks_exec_plt0_entry[4],
4688 htab->elf.splt->contents + 16);
4690 loc = htab->srelplt2->contents;
4692 /* Add an unloaded relocation for the initial entry's "sethi". */
4693 rela.r_offset = (htab->elf.splt->output_section->vma
4694 + htab->elf.splt->output_offset);
4695 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4697 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4698 loc += sizeof (Elf32_External_Rela);
4700 /* Likewise the following "or". */
4702 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4703 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4704 loc += sizeof (Elf32_External_Rela);
4706 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4707 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4708 in which symbols were output. */
4709 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4711 Elf_Internal_Rela rel;
4713 /* The entry's initial "sethi" (against _G_O_T_). */
4714 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4715 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4716 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4717 loc += sizeof (Elf32_External_Rela);
4719 /* The following "or" (also against _G_O_T_). */
4720 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4721 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4722 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4723 loc += sizeof (Elf32_External_Rela);
4725 /* The .got.plt entry (against _P_L_T_). */
4726 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4727 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4728 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4729 loc += sizeof (Elf32_External_Rela);
4733 /* Install the first PLT entry in a VxWorks shared object. */
4736 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4738 struct _bfd_sparc_elf_link_hash_table *htab;
4741 htab = _bfd_sparc_elf_hash_table (info);
4742 BFD_ASSERT (htab != NULL);
4744 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4745 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4746 htab->elf.splt->contents + i * 4);
4749 /* Finish up local dynamic symbol handling. We set the contents of
4750 various dynamic sections here. */
4753 finish_local_dynamic_symbol (void **slot, void *inf)
4755 struct elf_link_hash_entry *h
4756 = (struct elf_link_hash_entry *) *slot;
4757 struct bfd_link_info *info
4758 = (struct bfd_link_info *) inf;
4760 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4764 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4765 here since undefined weak symbol may not be dynamic and may not be
4766 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4769 pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
4772 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
4773 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4775 if (h->root.type != bfd_link_hash_undefweak
4776 || h->dynindx != -1)
4779 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4784 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4788 struct _bfd_sparc_elf_link_hash_table *htab;
4790 htab = _bfd_sparc_elf_hash_table (info);
4791 BFD_ASSERT (htab != NULL);
4792 dynobj = htab->elf.dynobj;
4794 /* We arranged in size_dynamic_sections to put the STT_REGISTER
4795 entries at the end of the dynlocal list, so they came at the end
4796 of the local symbols in the symtab. Except that they aren't
4797 STB_LOCAL, so we need to back up symtab->sh_info. */
4798 if (ABI_64_P (output_bfd)
4799 && elf_hash_table (info)->dynlocal)
4801 asection *dynsymsec = bfd_get_linker_section (dynobj, ".dynsym");
4802 struct elf_link_local_dynamic_entry *e;
4804 for (e = elf_hash_table (info)->dynlocal; e ; e = e->next)
4805 if (e->input_indx == -1)
4808 elf_section_data (dynsymsec->output_section)->this_hdr.sh_info
4812 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4814 if (elf_hash_table (info)->dynamic_sections_created)
4818 splt = htab->elf.splt;
4819 BFD_ASSERT (splt != NULL && sdyn != NULL);
4821 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4824 /* Initialize the contents of the .plt section. */
4827 if (htab->is_vxworks)
4829 if (bfd_link_pic (info))
4830 sparc_vxworks_finish_shared_plt (output_bfd, info);
4832 sparc_vxworks_finish_exec_plt (output_bfd, info);
4836 memset (splt->contents, 0, htab->plt_header_size);
4837 if (!ABI_64_P (output_bfd))
4838 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4839 splt->contents + splt->size - 4);
4843 if (elf_section_data (splt->output_section) != NULL)
4844 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4845 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4846 ? 0 : htab->plt_entry_size);
4849 /* Set the first entry in the global offset table to the address of
4850 the dynamic section. */
4851 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4853 bfd_vma val = (sdyn ?
4854 sdyn->output_section->vma + sdyn->output_offset :
4857 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4861 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4862 SPARC_ELF_WORD_BYTES (htab);
4864 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4865 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4867 /* Fill PLT entries for undefined weak symbols in PIE. */
4868 if (bfd_link_pie (info))
4869 bfd_hash_traverse (&info->hash->table,
4870 pie_finish_undefweak_symbol,
4876 /* Set the right machine number for a SPARC ELF file. */
4879 _bfd_sparc_elf_object_p (bfd *abfd)
4881 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4882 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4883 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4885 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4886 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
4887 | ELF_SPARC_HWCAP_VIS3
4888 | ELF_SPARC_HWCAP_HPC);
4889 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
4890 | ELF_SPARC_HWCAP_DES
4891 | ELF_SPARC_HWCAP_KASUMI
4892 | ELF_SPARC_HWCAP_CAMELLIA
4893 | ELF_SPARC_HWCAP_MD5
4894 | ELF_SPARC_HWCAP_SHA1
4895 | ELF_SPARC_HWCAP_SHA256
4896 | ELF_SPARC_HWCAP_SHA512
4897 | ELF_SPARC_HWCAP_MPMUL
4898 | ELF_SPARC_HWCAP_MONT
4899 | ELF_SPARC_HWCAP_CRC32C
4900 | ELF_SPARC_HWCAP_CBCOND
4901 | ELF_SPARC_HWCAP_PAUSE);
4902 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
4903 | ELF_SPARC_HWCAP_IMA);
4904 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
4905 | ELF_SPARC_HWCAP2_MWAIT
4906 | ELF_SPARC_HWCAP2_XMPMUL
4907 | ELF_SPARC_HWCAP2_XMONT);
4908 unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
4909 | ELF_SPARC_HWCAP2_ONADDSUB
4910 | ELF_SPARC_HWCAP2_ONMUL
4911 | ELF_SPARC_HWCAP2_ONDIV
4912 | ELF_SPARC_HWCAP2_DICTUNP
4913 | ELF_SPARC_HWCAP2_FPCMPSHL
4914 | ELF_SPARC_HWCAP2_RLE
4915 | ELF_SPARC_HWCAP2_SHA3);
4917 if (ABI_64_P (abfd))
4919 unsigned long mach = bfd_mach_sparc_v9;
4921 if (hwcaps2->i & m8_hwcaps2_mask)
4922 mach = bfd_mach_sparc_v9m8;
4923 else if (hwcaps2->i & v9m_hwcaps2_mask)
4924 mach = bfd_mach_sparc_v9m;
4925 else if (hwcaps->i & v9v_hwcaps_mask)
4926 mach = bfd_mach_sparc_v9v;
4927 else if (hwcaps->i & v9e_hwcaps_mask)
4928 mach = bfd_mach_sparc_v9e;
4929 else if (hwcaps->i & v9d_hwcaps_mask)
4930 mach = bfd_mach_sparc_v9d;
4931 else if (hwcaps->i & v9c_hwcaps_mask)
4932 mach = bfd_mach_sparc_v9c;
4933 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4934 mach = bfd_mach_sparc_v9b;
4935 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4936 mach = bfd_mach_sparc_v9a;
4937 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4941 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4943 if (hwcaps2->i & m8_hwcaps2_mask)
4944 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4945 bfd_mach_sparc_v8plusm8);
4946 else if (hwcaps2->i & v9m_hwcaps2_mask)
4947 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4948 bfd_mach_sparc_v8plusm);
4949 else if (hwcaps->i & v9v_hwcaps_mask)
4950 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4951 bfd_mach_sparc_v8plusv);
4952 else if (hwcaps->i & v9e_hwcaps_mask)
4953 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4954 bfd_mach_sparc_v8pluse);
4955 else if (hwcaps->i & v9d_hwcaps_mask)
4956 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4957 bfd_mach_sparc_v8plusd);
4958 else if (hwcaps->i & v9c_hwcaps_mask)
4959 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4960 bfd_mach_sparc_v8plusc);
4961 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4962 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4963 bfd_mach_sparc_v8plusb);
4964 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4965 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4966 bfd_mach_sparc_v8plusa);
4967 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4968 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4969 bfd_mach_sparc_v8plus);
4973 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4974 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4975 bfd_mach_sparc_sparclite_le);
4977 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4981 /* Return address for Ith PLT stub in section PLT, for relocation REL
4982 or (bfd_vma) -1 if it should not be included. */
4985 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4987 if (ABI_64_P (plt->owner))
4991 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4992 if (i < PLT64_LARGE_THRESHOLD)
4993 return plt->vma + i * PLT64_ENTRY_SIZE;
4995 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4997 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
5000 return rel->address;
5003 /* Merge backend specific data from an object file to the output
5004 object file when linking. */
5007 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
5009 bfd *obfd = info->output_bfd;
5010 obj_attribute *in_attr, *in_attrs;
5011 obj_attribute *out_attr, *out_attrs;
5013 if (!elf_known_obj_attributes_proc (obfd)[0].i)
5015 /* This is the first object. Copy the attributes. */
5016 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5018 /* Use the Tag_null value to indicate the attributes have been
5020 elf_known_obj_attributes_proc (obfd)[0].i = 1;
5025 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
5026 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
5028 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
5029 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
5031 out_attr->i |= in_attr->i;
5034 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
5035 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
5037 out_attr->i |= in_attr->i;
5040 /* Merge Tag_compatibility attributes and any common GNU ones. */
5041 _bfd_elf_merge_object_attributes (ibfd, info);