1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2016 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
55 void * data, asection *input_section, bfd *output_bfd,
56 bfd_vma *prelocation, bfd_vma *pinsn)
59 reloc_howto_type *howto = reloc_entry->howto;
61 if (output_bfd != (bfd *) NULL
62 && (symbol->flags & BSF_SECTION_SYM) == 0
63 && (! howto->partial_inplace
64 || reloc_entry->addend == 0))
66 reloc_entry->address += input_section->output_offset;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd != NULL)
72 return bfd_reloc_continue;
74 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
75 return bfd_reloc_outofrange;
77 relocation = (symbol->value
78 + symbol->section->output_section->vma
79 + symbol->section->output_offset);
80 relocation += reloc_entry->addend;
81 if (howto->pc_relative)
83 relocation -= (input_section->output_section->vma
84 + input_section->output_offset);
85 relocation -= reloc_entry->address;
88 *prelocation = relocation;
89 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
90 return bfd_reloc_other;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
97 arelent *reloc_entry ATTRIBUTE_UNUSED,
98 asymbol *symbol ATTRIBUTE_UNUSED,
99 void * data ATTRIBUTE_UNUSED,
100 asection *input_section ATTRIBUTE_UNUSED,
101 bfd *output_bfd ATTRIBUTE_UNUSED,
102 char **error_message ATTRIBUTE_UNUSED)
104 return bfd_reloc_notsupported;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
111 void * data, asection *input_section, bfd *output_bfd,
112 char **error_message ATTRIBUTE_UNUSED)
116 bfd_reloc_status_type status;
118 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
119 input_section, output_bfd, &relocation, &insn);
120 if (status != bfd_reloc_other)
123 insn &= ~ (bfd_vma) 0x303fff;
124 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
125 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
127 if ((bfd_signed_vma) relocation < - 0x40000
128 || (bfd_signed_vma) relocation > 0x3ffff)
129 return bfd_reloc_overflow;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
138 void * data, asection *input_section, bfd *output_bfd,
139 char **error_message ATTRIBUTE_UNUSED)
143 bfd_reloc_status_type status;
145 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
146 input_section, output_bfd, &relocation, &insn);
147 if (status != bfd_reloc_other)
150 insn &= ~ (bfd_vma) 0x181fe0;
151 insn |= (((relocation >> 2) & 0x300) << 11)
152 | (((relocation >> 2) & 0xff) << 5);
153 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
155 if ((bfd_signed_vma) relocation < - 0x1000
156 || (bfd_signed_vma) relocation > 0xfff)
157 return bfd_reloc_overflow;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
166 void * data, asection *input_section, bfd *output_bfd,
167 char **error_message ATTRIBUTE_UNUSED)
171 bfd_reloc_status_type status;
173 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
174 input_section, output_bfd, &relocation, &insn);
175 if (status != bfd_reloc_other)
178 relocation ^= MINUS_ONE;
179 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
180 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
182 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
183 return bfd_reloc_overflow;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
192 void * data, asection *input_section, bfd *output_bfd,
193 char **error_message ATTRIBUTE_UNUSED)
197 bfd_reloc_status_type status;
199 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
200 input_section, output_bfd, &relocation, &insn);
201 if (status != bfd_reloc_other)
204 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
205 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
210 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
212 HOWTO(R_SPARC_NONE, 0,3, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
213 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
214 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
215 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
216 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
217 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
218 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
219 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
220 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
221 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
222 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
223 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
224 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
225 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
226 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
227 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
228 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
229 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
230 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
231 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
232 HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
233 HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
234 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
235 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
236 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
237 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
238 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
239 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
240 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
241 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
242 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
243 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
244 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
245 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
246 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
247 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
248 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
249 HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE),
250 HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE),
251 HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE),
252 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
253 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
254 HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE),
255 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
256 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
257 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
258 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
259 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
260 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
261 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
262 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
263 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
264 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
265 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
266 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
267 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
268 HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
269 HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
270 HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
271 HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
272 HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
273 HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
274 HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
275 HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
276 HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
277 HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
278 HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
279 HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
280 HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
281 HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
282 HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
283 HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
284 HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
285 HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
286 HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
287 HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
288 HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
289 HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
290 HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
291 HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE),
292 HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
293 HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
296 HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
297 HOWTO(R_SPARC_H34,12,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,"R_SPARC_H34",FALSE,0,0x003fffff,FALSE),
298 HOWTO(R_SPARC_SIZE32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE32",FALSE,0,0xffffffff,TRUE),
299 HOWTO(R_SPARC_SIZE64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE64",FALSE,0,MINUS_ONE, TRUE),
300 HOWTO(R_SPARC_WDISP10,2,2,10,TRUE, 0,complain_overflow_signed,sparc_elf_wdisp10_reloc,"R_SPARC_WDISP10",FALSE,0,0x00000000,TRUE),
302 static reloc_howto_type sparc_jmp_irel_howto =
303 HOWTO(R_SPARC_JMP_IREL, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
304 static reloc_howto_type sparc_irelative_howto =
305 HOWTO(R_SPARC_IRELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
306 static reloc_howto_type sparc_vtinherit_howto =
307 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
308 static reloc_howto_type sparc_vtentry_howto =
309 HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE);
310 static reloc_howto_type sparc_rev32_howto =
311 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
314 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
315 bfd_reloc_code_real_type code)
317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
322 return &_bfd_sparc_elf_howto_table[R_SPARC_NONE];
325 return &_bfd_sparc_elf_howto_table[R_SPARC_8];
328 return &_bfd_sparc_elf_howto_table[R_SPARC_16];
331 return &_bfd_sparc_elf_howto_table[R_SPARC_32];
333 case BFD_RELOC_8_PCREL:
334 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP8];
336 case BFD_RELOC_16_PCREL:
337 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP16];
339 case BFD_RELOC_32_PCREL:
340 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP32];
342 case BFD_RELOC_32_PCREL_S2:
343 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP30];
345 case BFD_RELOC_SPARC_WDISP22:
346 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP22];
349 return &_bfd_sparc_elf_howto_table[R_SPARC_HI22];
351 case BFD_RELOC_SPARC22:
352 return &_bfd_sparc_elf_howto_table[R_SPARC_22];
354 case BFD_RELOC_SPARC13:
355 return &_bfd_sparc_elf_howto_table[R_SPARC_13];
358 return &_bfd_sparc_elf_howto_table[R_SPARC_LO10];
360 case BFD_RELOC_SPARC_GOT10:
361 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT10];
363 case BFD_RELOC_SPARC_GOT13:
364 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT13];
366 case BFD_RELOC_SPARC_GOT22:
367 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT22];
369 case BFD_RELOC_SPARC_PC10:
370 return &_bfd_sparc_elf_howto_table[R_SPARC_PC10];
372 case BFD_RELOC_SPARC_PC22:
373 return &_bfd_sparc_elf_howto_table[R_SPARC_PC22];
375 case BFD_RELOC_SPARC_WPLT30:
376 return &_bfd_sparc_elf_howto_table[R_SPARC_WPLT30];
378 case BFD_RELOC_SPARC_COPY:
379 return &_bfd_sparc_elf_howto_table[R_SPARC_COPY];
381 case BFD_RELOC_SPARC_GLOB_DAT:
382 return &_bfd_sparc_elf_howto_table[R_SPARC_GLOB_DAT];
384 case BFD_RELOC_SPARC_JMP_SLOT:
385 return &_bfd_sparc_elf_howto_table[R_SPARC_JMP_SLOT];
387 case BFD_RELOC_SPARC_RELATIVE:
388 return &_bfd_sparc_elf_howto_table[R_SPARC_RELATIVE];
390 case BFD_RELOC_SPARC_UA32:
391 return &_bfd_sparc_elf_howto_table[R_SPARC_UA32];
393 case BFD_RELOC_SPARC_PLT32:
394 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT32];
396 case BFD_RELOC_SPARC_10:
397 return &_bfd_sparc_elf_howto_table[R_SPARC_10];
399 case BFD_RELOC_SPARC_11:
400 return &_bfd_sparc_elf_howto_table[R_SPARC_11];
402 case BFD_RELOC_SPARC_64:
403 return &_bfd_sparc_elf_howto_table[R_SPARC_64];
405 case BFD_RELOC_SPARC_OLO10:
406 return &_bfd_sparc_elf_howto_table[R_SPARC_OLO10];
408 case BFD_RELOC_SPARC_HH22:
409 return &_bfd_sparc_elf_howto_table[R_SPARC_HH22];
411 case BFD_RELOC_SPARC_HM10:
412 return &_bfd_sparc_elf_howto_table[R_SPARC_HM10];
414 case BFD_RELOC_SPARC_LM22:
415 return &_bfd_sparc_elf_howto_table[R_SPARC_LM22];
417 case BFD_RELOC_SPARC_PC_HH22:
418 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HH22];
420 case BFD_RELOC_SPARC_PC_HM10:
421 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HM10];
423 case BFD_RELOC_SPARC_PC_LM22:
424 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_LM22];
426 case BFD_RELOC_SPARC_WDISP16:
427 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP16];
429 case BFD_RELOC_SPARC_WDISP19:
430 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP19];
432 case BFD_RELOC_SPARC_7:
433 return &_bfd_sparc_elf_howto_table[R_SPARC_7];
435 case BFD_RELOC_SPARC_5:
436 return &_bfd_sparc_elf_howto_table[R_SPARC_5];
438 case BFD_RELOC_SPARC_6:
439 return &_bfd_sparc_elf_howto_table[R_SPARC_6];
441 case BFD_RELOC_SPARC_DISP64:
442 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP64];
444 case BFD_RELOC_SPARC_PLT64:
445 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT64];
447 case BFD_RELOC_SPARC_HIX22:
448 return &_bfd_sparc_elf_howto_table[R_SPARC_HIX22];
450 case BFD_RELOC_SPARC_LOX10:
451 return &_bfd_sparc_elf_howto_table[R_SPARC_LOX10];
453 case BFD_RELOC_SPARC_H44:
454 return &_bfd_sparc_elf_howto_table[R_SPARC_H44];
456 case BFD_RELOC_SPARC_M44:
457 return &_bfd_sparc_elf_howto_table[R_SPARC_M44];
459 case BFD_RELOC_SPARC_L44:
460 return &_bfd_sparc_elf_howto_table[R_SPARC_L44];
462 case BFD_RELOC_SPARC_REGISTER:
463 return &_bfd_sparc_elf_howto_table[R_SPARC_REGISTER];
465 case BFD_RELOC_SPARC_UA64:
466 return &_bfd_sparc_elf_howto_table[R_SPARC_UA64];
468 case BFD_RELOC_SPARC_UA16:
469 return &_bfd_sparc_elf_howto_table[R_SPARC_UA16];
471 case BFD_RELOC_SPARC_TLS_GD_HI22:
472 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_HI22];
474 case BFD_RELOC_SPARC_TLS_GD_LO10:
475 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_LO10];
477 case BFD_RELOC_SPARC_TLS_GD_ADD:
478 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_ADD];
480 case BFD_RELOC_SPARC_TLS_GD_CALL:
481 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_CALL];
483 case BFD_RELOC_SPARC_TLS_LDM_HI22:
484 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_HI22];
486 case BFD_RELOC_SPARC_TLS_LDM_LO10:
487 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_LO10];
489 case BFD_RELOC_SPARC_TLS_LDM_ADD:
490 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_ADD];
492 case BFD_RELOC_SPARC_TLS_LDM_CALL:
493 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_CALL];
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22:
496 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_HIX22];
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10:
499 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_LOX10];
501 case BFD_RELOC_SPARC_TLS_LDO_ADD:
502 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_ADD];
504 case BFD_RELOC_SPARC_TLS_IE_HI22:
505 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_HI22];
507 case BFD_RELOC_SPARC_TLS_IE_LO10:
508 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LO10];
510 case BFD_RELOC_SPARC_TLS_IE_LD:
511 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LD];
513 case BFD_RELOC_SPARC_TLS_IE_LDX:
514 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LDX];
516 case BFD_RELOC_SPARC_TLS_IE_ADD:
517 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_ADD];
519 case BFD_RELOC_SPARC_TLS_LE_HIX22:
520 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_HIX22];
522 case BFD_RELOC_SPARC_TLS_LE_LOX10:
523 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_LOX10];
525 case BFD_RELOC_SPARC_TLS_DTPMOD32:
526 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD32];
528 case BFD_RELOC_SPARC_TLS_DTPMOD64:
529 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD64];
531 case BFD_RELOC_SPARC_TLS_DTPOFF32:
532 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF32];
534 case BFD_RELOC_SPARC_TLS_DTPOFF64:
535 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF64];
537 case BFD_RELOC_SPARC_TLS_TPOFF32:
538 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF32];
540 case BFD_RELOC_SPARC_TLS_TPOFF64:
541 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF64];
543 case BFD_RELOC_SPARC_GOTDATA_HIX22:
544 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_HIX22];
546 case BFD_RELOC_SPARC_GOTDATA_LOX10:
547 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_LOX10];
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22:
550 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_HIX22];
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10:
553 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_LOX10];
555 case BFD_RELOC_SPARC_GOTDATA_OP:
556 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP];
558 case BFD_RELOC_SPARC_H34:
559 return &_bfd_sparc_elf_howto_table[R_SPARC_H34];
561 case BFD_RELOC_SPARC_SIZE32:
562 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE32];
564 case BFD_RELOC_SPARC_SIZE64:
565 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE64];
567 case BFD_RELOC_SPARC_WDISP10:
568 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP10];
570 case BFD_RELOC_SPARC_JMP_IREL:
571 return &sparc_jmp_irel_howto;
573 case BFD_RELOC_SPARC_IRELATIVE:
574 return &sparc_irelative_howto;
576 case BFD_RELOC_VTABLE_INHERIT:
577 return &sparc_vtinherit_howto;
579 case BFD_RELOC_VTABLE_ENTRY:
580 return &sparc_vtentry_howto;
582 case BFD_RELOC_SPARC_REV32:
583 return &sparc_rev32_howto;
588 bfd_set_error (bfd_error_bad_value);
593 _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
599 i < (sizeof (_bfd_sparc_elf_howto_table)
600 / sizeof (_bfd_sparc_elf_howto_table[0]));
602 if (_bfd_sparc_elf_howto_table[i].name != NULL
603 && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
604 return &_bfd_sparc_elf_howto_table[i];
606 if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
607 return &sparc_vtinherit_howto;
608 if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
609 return &sparc_vtentry_howto;
610 if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
611 return &sparc_rev32_howto;
617 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type)
621 case R_SPARC_JMP_IREL:
622 return &sparc_jmp_irel_howto;
624 case R_SPARC_IRELATIVE:
625 return &sparc_irelative_howto;
627 case R_SPARC_GNU_VTINHERIT:
628 return &sparc_vtinherit_howto;
630 case R_SPARC_GNU_VTENTRY:
631 return &sparc_vtentry_howto;
634 return &sparc_rev32_howto;
637 if (r_type >= (unsigned int) R_SPARC_max_std)
639 (*_bfd_error_handler) (_("invalid relocation type %d"),
641 r_type = R_SPARC_NONE;
643 return &_bfd_sparc_elf_howto_table[r_type];
647 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
648 so just take advantage of that. */
649 #define SPARC_ELF_R_TYPE(r_info) \
653 _bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
654 Elf_Internal_Rela *dst)
656 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
658 cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type);
662 /* The nop opcode we use. */
663 #define SPARC_NOP 0x01000000
665 #define SPARC_INSN_BYTES 4
667 /* The SPARC linker needs to keep track of the number of relocs that it
668 decides to copy as dynamic relocs in check_relocs for each symbol.
669 This is so that it can later discard them if they are found to be
670 unnecessary. We store the information in a field extending the
671 regular ELF linker hash table. */
673 struct _bfd_sparc_elf_dyn_relocs
675 struct _bfd_sparc_elf_dyn_relocs *next;
677 /* The input section of the reloc. */
680 /* Total number of relocs copied for the input section. */
683 /* Number of pc-relative relocs copied for the input section. */
684 bfd_size_type pc_count;
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 _bfd_sparc_elf_dyn_relocs *dyn_relocs;
696 #define GOT_UNKNOWN 0
700 unsigned char tls_type;
703 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
705 struct _bfd_sparc_elf_obj_tdata
707 struct elf_obj_tdata root;
709 /* tls_type for each local got entry. */
710 char *local_got_tls_type;
712 /* TRUE if TLS GD relocs has been seen for this object. */
713 bfd_boolean has_tlsgd;
716 #define _bfd_sparc_elf_tdata(abfd) \
717 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
719 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
720 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
722 #define is_sparc_elf(bfd) \
723 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
724 && elf_tdata (bfd) != NULL \
725 && elf_object_id (bfd) == SPARC_ELF_DATA)
728 _bfd_sparc_elf_mkobject (bfd *abfd)
730 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
735 sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
737 bfd_put_32 (abfd, val, ptr);
741 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
743 bfd_put_64 (abfd, val, ptr);
747 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
749 const struct elf_backend_data *bed;
752 bed = get_elf_backend_data (abfd);
753 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
754 bed->s->swap_reloca_out (abfd, rel, loc);
758 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
759 bfd_vma rel_index ATTRIBUTE_UNUSED,
760 bfd_vma type ATTRIBUTE_UNUSED)
762 return ELF64_R_INFO (rel_index,
764 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
769 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
770 bfd_vma rel_index, bfd_vma type)
772 return ELF32_R_INFO (rel_index, type);
776 sparc_elf_r_symndx_64 (bfd_vma r_info)
778 bfd_vma r_symndx = ELF32_R_SYM (r_info);
779 return (r_symndx >> 24);
783 sparc_elf_r_symndx_32 (bfd_vma r_info)
785 return ELF32_R_SYM (r_info);
790 #define PLT32_ENTRY_SIZE 12
791 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
793 /* The first four entries in a 32-bit procedure linkage table are reserved,
794 and the initial contents are unimportant (we zero them out).
795 Subsequent entries look like this. See the SVR4 ABI SPARC
796 supplement to see how this works. */
798 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
799 #define PLT32_ENTRY_WORD0 0x03000000
800 /* b,a .plt0. We fill in the offset later. */
801 #define PLT32_ENTRY_WORD1 0x30800000
803 #define PLT32_ENTRY_WORD2 SPARC_NOP
806 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
807 bfd_vma max ATTRIBUTE_UNUSED,
810 bfd_put_32 (output_bfd,
811 PLT32_ENTRY_WORD0 + offset,
812 splt->contents + offset);
813 bfd_put_32 (output_bfd,
815 + (((- (offset + 4)) >> 2) & 0x3fffff)),
816 splt->contents + offset + 4);
817 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
818 splt->contents + offset + 8);
822 return offset / PLT32_ENTRY_SIZE - 4;
825 /* Both the headers and the entries are icache aligned. */
826 #define PLT64_ENTRY_SIZE 32
827 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
828 #define PLT64_LARGE_THRESHOLD 32768
831 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
832 bfd_vma max, bfd_vma *r_offset)
834 unsigned char *entry = splt->contents + offset;
835 const unsigned int nop = SPARC_NOP;
838 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
840 unsigned int sethi, ba;
844 plt_index = (offset / PLT64_ENTRY_SIZE);
846 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
848 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
850 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
851 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
852 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
853 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
854 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
855 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
856 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
857 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
863 int block, last_block, ofs, last_ofs, chunks_this_block;
864 const int insn_chunk_size = (6 * 4);
865 const int ptr_chunk_size = (1 * 8);
866 const int entries_per_block = 160;
867 const int block_size = entries_per_block * (insn_chunk_size
870 /* Entries 32768 and higher are grouped into blocks of 160.
871 The blocks are further subdivided into 160 sequences of
872 6 instructions and 160 pointers. If a block does not require
873 the full 160 entries, let's say it requires N, then there
874 will be N sequences of 6 instructions and N pointers. */
876 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
877 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
879 block = offset / block_size;
880 last_block = max / block_size;
881 if (block != last_block)
883 chunks_this_block = 160;
887 last_ofs = max % block_size;
888 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
891 ofs = offset % block_size;
893 plt_index = (PLT64_LARGE_THRESHOLD +
895 (ofs / insn_chunk_size));
898 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
899 + (block * block_size)
900 + (chunks_this_block * insn_chunk_size)
901 + (ofs / insn_chunk_size) * ptr_chunk_size;
903 *r_offset = (bfd_vma) (ptr - splt->contents);
905 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
913 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
914 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
915 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
916 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
917 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
918 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
920 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
923 return plt_index - 4;
926 /* The format of the first PLT entry in a VxWorks executable. */
927 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
929 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
930 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
931 0xc4008000, /* ld [ %g2 ], %g2 */
932 0x81c08000, /* jmp %g2 */
936 /* The format of subsequent PLT entries. */
937 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
939 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
940 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
941 0xc2004000, /* ld [ %g1 ], %g1 */
942 0x81c04000, /* jmp %g1 */
943 0x01000000, /* nop */
944 0x03000000, /* sethi %hi(f@pltindex), %g1 */
945 0x10800000, /* b _PLT_resolve */
946 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
949 /* The format of the first PLT entry in a VxWorks shared object. */
950 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
952 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
953 0x81c08000, /* jmp %g2 */
957 /* The format of subsequent PLT entries. */
958 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
960 0x03000000, /* sethi %hi(f@got), %g1 */
961 0x82106000, /* or %g1, %lo(f@got), %g1 */
962 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
963 0x81c04000, /* jmp %g1 */
964 0x01000000, /* nop */
965 0x03000000, /* sethi %hi(f@pltindex), %g1 */
966 0x10800000, /* b _PLT_resolve */
967 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
970 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
971 htab->put_word(bfd, val, ptr)
973 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
974 htab->r_info(in_rel, index, type)
976 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
977 htab->r_symndx(r_info)
979 #define SPARC_ELF_WORD_BYTES(htab) \
982 #define SPARC_ELF_RELA_BYTES(htab) \
985 #define SPARC_ELF_DTPOFF_RELOC(htab) \
988 #define SPARC_ELF_DTPMOD_RELOC(htab) \
991 #define SPARC_ELF_TPOFF_RELOC(htab) \
994 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
995 htab->build_plt_entry (obfd, splt, off, max, r_off)
997 /* Create an entry in an SPARC ELF linker hash table. */
999 static struct bfd_hash_entry *
1000 link_hash_newfunc (struct bfd_hash_entry *entry,
1001 struct bfd_hash_table *table, const char *string)
1003 /* Allocate the structure if it has not already been allocated by a
1007 entry = bfd_hash_allocate (table,
1008 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1013 /* Call the allocation method of the superclass. */
1014 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1017 struct _bfd_sparc_elf_link_hash_entry *eh;
1019 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1020 eh->dyn_relocs = NULL;
1021 eh->tls_type = GOT_UNKNOWN;
1027 /* The name of the dynamic interpreter. This is put in the .interp
1030 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1031 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1033 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1034 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1035 as global symbol. We reuse indx and dynstr_index for local symbol
1036 hash since they aren't used by global symbols in this backend. */
1039 elf_sparc_local_htab_hash (const void *ptr)
1041 struct elf_link_hash_entry *h
1042 = (struct elf_link_hash_entry *) ptr;
1043 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1046 /* Compare local hash entries. */
1049 elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1051 struct elf_link_hash_entry *h1
1052 = (struct elf_link_hash_entry *) ptr1;
1053 struct elf_link_hash_entry *h2
1054 = (struct elf_link_hash_entry *) ptr2;
1056 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1059 /* Find and/or create a hash entry for local symbol. */
1061 static struct elf_link_hash_entry *
1062 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1063 bfd *abfd, const Elf_Internal_Rela *rel,
1066 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1067 asection *sec = abfd->sections;
1068 unsigned long r_symndx;
1072 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1073 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1075 e.elf.indx = sec->id;
1076 e.elf.dynstr_index = r_symndx;
1077 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1078 create ? INSERT : NO_INSERT);
1085 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1089 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1090 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1091 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1094 memset (ret, 0, sizeof (*ret));
1095 ret->elf.indx = sec->id;
1096 ret->elf.dynstr_index = r_symndx;
1097 ret->elf.dynindx = -1;
1098 ret->elf.plt.offset = (bfd_vma) -1;
1099 ret->elf.got.offset = (bfd_vma) -1;
1105 /* Destroy a SPARC ELF linker hash table. */
1108 _bfd_sparc_elf_link_hash_table_free (bfd *obfd)
1110 struct _bfd_sparc_elf_link_hash_table *htab
1111 = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
1113 if (htab->loc_hash_table)
1114 htab_delete (htab->loc_hash_table);
1115 if (htab->loc_hash_memory)
1116 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1117 _bfd_elf_link_hash_table_free (obfd);
1120 /* Create a SPARC ELF linker hash table. */
1122 struct bfd_link_hash_table *
1123 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1125 struct _bfd_sparc_elf_link_hash_table *ret;
1126 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1128 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1132 if (ABI_64_P (abfd))
1134 ret->put_word = sparc_put_word_64;
1135 ret->r_info = sparc_elf_r_info_64;
1136 ret->r_symndx = sparc_elf_r_symndx_64;
1137 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1138 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1139 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1140 ret->word_align_power = 3;
1141 ret->align_power_max = 4;
1142 ret->bytes_per_word = 8;
1143 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1144 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1145 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1147 ret->build_plt_entry = sparc64_plt_entry_build;
1148 ret->plt_header_size = PLT64_HEADER_SIZE;
1149 ret->plt_entry_size = PLT64_ENTRY_SIZE;
1153 ret->put_word = sparc_put_word_32;
1154 ret->r_info = sparc_elf_r_info_32;
1155 ret->r_symndx = sparc_elf_r_symndx_32;
1156 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1157 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1158 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1159 ret->word_align_power = 2;
1160 ret->align_power_max = 3;
1161 ret->bytes_per_word = 4;
1162 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1163 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1164 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1166 ret->build_plt_entry = sparc32_plt_entry_build;
1167 ret->plt_header_size = PLT32_HEADER_SIZE;
1168 ret->plt_entry_size = PLT32_ENTRY_SIZE;
1171 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1172 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1179 ret->loc_hash_table = htab_try_create (1024,
1180 elf_sparc_local_htab_hash,
1181 elf_sparc_local_htab_eq,
1183 ret->loc_hash_memory = objalloc_create ();
1184 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1186 _bfd_sparc_elf_link_hash_table_free (abfd);
1189 ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
1191 return &ret->elf.root;
1194 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1195 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1199 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1200 struct bfd_link_info *info)
1202 struct _bfd_sparc_elf_link_hash_table *htab;
1204 htab = _bfd_sparc_elf_hash_table (info);
1205 BFD_ASSERT (htab != NULL);
1207 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1210 htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
1211 if (!bfd_link_pic (info))
1212 htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
1214 if (htab->is_vxworks)
1216 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1218 if (bfd_link_pic (info))
1220 htab->plt_header_size
1221 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1222 htab->plt_entry_size
1223 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1227 htab->plt_header_size
1228 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1229 htab->plt_entry_size
1230 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1234 if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
1235 || (!bfd_link_pic (info) && !htab->srelbss))
1242 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1244 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1245 struct elf_link_hash_table *htab = elf_hash_table (info);
1246 flagword flags, pltflags;
1249 if (htab->irelifunc != NULL || htab->iplt != NULL)
1252 flags = bed->dynamic_sec_flags;
1253 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1255 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1257 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1261 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1262 flags | SEC_READONLY);
1264 || ! bfd_set_section_alignment (abfd, s,
1265 bed->s->log_file_align))
1272 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1275 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1276 struct elf_link_hash_entry *dir,
1277 struct elf_link_hash_entry *ind)
1279 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1281 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1282 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1284 if (eind->dyn_relocs != NULL)
1286 if (edir->dyn_relocs != NULL)
1288 struct _bfd_sparc_elf_dyn_relocs **pp;
1289 struct _bfd_sparc_elf_dyn_relocs *p;
1291 /* Add reloc counts against the indirect sym to the direct sym
1292 list. Merge any entries against the same section. */
1293 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1295 struct _bfd_sparc_elf_dyn_relocs *q;
1297 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1298 if (q->sec == p->sec)
1300 q->pc_count += p->pc_count;
1301 q->count += p->count;
1308 *pp = edir->dyn_relocs;
1311 edir->dyn_relocs = eind->dyn_relocs;
1312 eind->dyn_relocs = NULL;
1315 if (ind->root.type == bfd_link_hash_indirect
1316 && dir->got.refcount <= 0)
1318 edir->tls_type = eind->tls_type;
1319 eind->tls_type = GOT_UNKNOWN;
1321 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1325 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1326 int r_type, int is_local)
1328 if (! ABI_64_P (abfd)
1329 && r_type == R_SPARC_TLS_GD_HI22
1330 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1331 r_type = R_SPARC_REV32;
1333 if (bfd_link_pic (info))
1338 case R_SPARC_TLS_GD_HI22:
1340 return R_SPARC_TLS_LE_HIX22;
1341 return R_SPARC_TLS_IE_HI22;
1342 case R_SPARC_TLS_GD_LO10:
1344 return R_SPARC_TLS_LE_LOX10;
1345 return R_SPARC_TLS_IE_LO10;
1346 case R_SPARC_TLS_IE_HI22:
1348 return R_SPARC_TLS_LE_HIX22;
1350 case R_SPARC_TLS_IE_LO10:
1352 return R_SPARC_TLS_LE_LOX10;
1354 case R_SPARC_TLS_LDM_HI22:
1355 return R_SPARC_TLS_LE_HIX22;
1356 case R_SPARC_TLS_LDM_LO10:
1357 return R_SPARC_TLS_LE_LOX10;
1363 /* Look through the relocs for a section during the first phase, and
1364 allocate space in the global offset table or procedure linkage
1368 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1369 asection *sec, const Elf_Internal_Rela *relocs)
1371 struct _bfd_sparc_elf_link_hash_table *htab;
1372 Elf_Internal_Shdr *symtab_hdr;
1373 struct elf_link_hash_entry **sym_hashes;
1374 const Elf_Internal_Rela *rel;
1375 const Elf_Internal_Rela *rel_end;
1378 bfd_boolean checked_tlsgd = FALSE;
1380 if (bfd_link_relocatable (info))
1383 htab = _bfd_sparc_elf_hash_table (info);
1384 BFD_ASSERT (htab != NULL);
1385 symtab_hdr = &elf_symtab_hdr (abfd);
1386 sym_hashes = elf_sym_hashes (abfd);
1390 if (ABI_64_P (abfd))
1391 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1393 num_relocs = sec->reloc_count;
1395 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1397 if (htab->elf.dynobj == NULL)
1398 htab->elf.dynobj = abfd;
1399 if (!create_ifunc_sections (htab->elf.dynobj, info))
1402 rel_end = relocs + num_relocs;
1403 for (rel = relocs; rel < rel_end; rel++)
1405 unsigned int r_type;
1406 unsigned long r_symndx;
1407 struct elf_link_hash_entry *h;
1408 Elf_Internal_Sym *isym;
1410 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1411 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1413 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1415 (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
1421 if (r_symndx < symtab_hdr->sh_info)
1423 /* A local symbol. */
1424 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1429 /* Check relocation against local STT_GNU_IFUNC symbol. */
1430 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1432 h = elf_sparc_get_local_sym_hash (htab, abfd, rel,
1437 /* Fake a STT_GNU_IFUNC symbol. */
1438 h->type = STT_GNU_IFUNC;
1441 h->forced_local = 1;
1442 h->root.type = bfd_link_hash_defined;
1449 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1450 while (h->root.type == bfd_link_hash_indirect
1451 || h->root.type == bfd_link_hash_warning)
1452 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1454 /* PR15323, ref flags aren't set for references in the same
1456 h->root.non_ir_ref = 1;
1459 if (h && h->type == STT_GNU_IFUNC)
1464 h->plt.refcount += 1;
1468 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1469 with R_SPARC_TLS_GD_HI22. */
1470 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1473 case R_SPARC_TLS_GD_HI22:
1475 const Elf_Internal_Rela *relt;
1477 for (relt = rel + 1; relt < rel_end; relt++)
1478 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1479 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1480 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1482 checked_tlsgd = TRUE;
1483 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1486 case R_SPARC_TLS_GD_LO10:
1487 case R_SPARC_TLS_GD_ADD:
1488 case R_SPARC_TLS_GD_CALL:
1489 checked_tlsgd = TRUE;
1490 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1494 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1497 case R_SPARC_TLS_LDM_HI22:
1498 case R_SPARC_TLS_LDM_LO10:
1499 htab->tls_ldm_got.refcount += 1;
1502 case R_SPARC_TLS_LE_HIX22:
1503 case R_SPARC_TLS_LE_LOX10:
1504 if (bfd_link_pic (info))
1508 case R_SPARC_TLS_IE_HI22:
1509 case R_SPARC_TLS_IE_LO10:
1510 if (bfd_link_pic (info))
1511 info->flags |= DF_STATIC_TLS;
1517 case R_SPARC_GOTDATA_HIX22:
1518 case R_SPARC_GOTDATA_LOX10:
1519 case R_SPARC_GOTDATA_OP_HIX22:
1520 case R_SPARC_GOTDATA_OP_LOX10:
1521 case R_SPARC_TLS_GD_HI22:
1522 case R_SPARC_TLS_GD_LO10:
1523 /* This symbol requires a global offset table entry. */
1525 int tls_type, old_tls_type;
1533 case R_SPARC_GOTDATA_OP_HIX22:
1534 case R_SPARC_GOTDATA_OP_LOX10:
1535 tls_type = GOT_NORMAL;
1537 case R_SPARC_TLS_GD_HI22:
1538 case R_SPARC_TLS_GD_LO10:
1539 tls_type = GOT_TLS_GD;
1541 case R_SPARC_TLS_IE_HI22:
1542 case R_SPARC_TLS_IE_LO10:
1543 tls_type = GOT_TLS_IE;
1549 h->got.refcount += 1;
1550 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1554 bfd_signed_vma *local_got_refcounts;
1556 /* This is a global offset table entry for a local symbol. */
1557 local_got_refcounts = elf_local_got_refcounts (abfd);
1558 if (local_got_refcounts == NULL)
1562 size = symtab_hdr->sh_info;
1563 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1564 local_got_refcounts = ((bfd_signed_vma *)
1565 bfd_zalloc (abfd, size));
1566 if (local_got_refcounts == NULL)
1568 elf_local_got_refcounts (abfd) = local_got_refcounts;
1569 _bfd_sparc_elf_local_got_tls_type (abfd)
1570 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1574 case R_SPARC_GOTDATA_OP_HIX22:
1575 case R_SPARC_GOTDATA_OP_LOX10:
1579 local_got_refcounts[r_symndx] += 1;
1582 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1585 /* If a TLS symbol is accessed using IE at least once,
1586 there is no point to use dynamic model for it. */
1587 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1588 && (old_tls_type != GOT_TLS_GD
1589 || tls_type != GOT_TLS_IE))
1591 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1592 tls_type = old_tls_type;
1595 (*_bfd_error_handler)
1596 (_("%B: `%s' accessed both as normal and thread local symbol"),
1597 abfd, h ? h->root.root.string : "<local>");
1602 if (old_tls_type != tls_type)
1605 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1607 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1611 if (htab->elf.sgot == NULL)
1613 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
1618 case R_SPARC_TLS_GD_CALL:
1619 case R_SPARC_TLS_LDM_CALL:
1620 if (bfd_link_pic (info))
1622 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1624 struct bfd_link_hash_entry *bh = NULL;
1625 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1626 "__tls_get_addr", 0,
1627 bfd_und_section_ptr, 0,
1631 h = (struct elf_link_hash_entry *) bh;
1638 case R_SPARC_WPLT30:
1639 case R_SPARC_HIPLT22:
1640 case R_SPARC_LOPLT10:
1641 case R_SPARC_PCPLT32:
1642 case R_SPARC_PCPLT22:
1643 case R_SPARC_PCPLT10:
1645 /* This symbol requires a procedure linkage table entry. We
1646 actually build the entry in adjust_dynamic_symbol,
1647 because this might be a case of linking PIC code without
1648 linking in any dynamic objects, in which case we don't
1649 need to generate a procedure linkage table after all. */
1653 if (! ABI_64_P (abfd))
1655 /* The Solaris native assembler will generate a WPLT30
1656 reloc for a local symbol if you assemble a call from
1657 one section to another when using -K pic. We treat
1659 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1663 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1664 else if (r_type == R_SPARC_WPLT30)
1667 /* It does not make sense to have a procedure linkage
1668 table entry for a local symbol. */
1669 bfd_set_error (bfd_error_bad_value);
1678 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1679 if (this_r_type == R_SPARC_PLT32
1680 || this_r_type == R_SPARC_PLT64)
1683 h->plt.refcount += 1;
1688 case R_SPARC_PC_HH22:
1689 case R_SPARC_PC_HM10:
1690 case R_SPARC_PC_LM22:
1695 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1700 case R_SPARC_DISP16:
1701 case R_SPARC_DISP32:
1702 case R_SPARC_DISP64:
1703 case R_SPARC_WDISP30:
1704 case R_SPARC_WDISP22:
1705 case R_SPARC_WDISP19:
1706 case R_SPARC_WDISP16:
1707 case R_SPARC_WDISP10:
1738 if (h != NULL && !bfd_link_pic (info))
1740 /* We may need a .plt entry if the function this reloc
1741 refers to is in a shared lib. */
1742 h->plt.refcount += 1;
1745 /* If we are creating a shared library, and this is a reloc
1746 against a global symbol, or a non PC relative reloc
1747 against a local symbol, then we need to copy the reloc
1748 into the shared library. However, if we are linking with
1749 -Bsymbolic, we do not need to copy a reloc against a
1750 global symbol which is defined in an object we are
1751 including in the link (i.e., DEF_REGULAR is set). At
1752 this point we have not seen all the input files, so it is
1753 possible that DEF_REGULAR is not set now but will be set
1754 later (it is never cleared). In case of a weak definition,
1755 DEF_REGULAR may be cleared later by a strong definition in
1756 a shared library. We account for that possibility below by
1757 storing information in the relocs_copied field of the hash
1758 table entry. A similar situation occurs when creating
1759 shared libraries and symbol visibility changes render the
1762 If on the other hand, we are creating an executable, we
1763 may need to keep relocations for symbols satisfied by a
1764 dynamic library if we manage to avoid copy relocs for the
1766 if ((bfd_link_pic (info)
1767 && (sec->flags & SEC_ALLOC) != 0
1768 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1770 && (! SYMBOLIC_BIND (info, h)
1771 || h->root.type == bfd_link_hash_defweak
1772 || !h->def_regular))))
1773 || (!bfd_link_pic (info)
1774 && (sec->flags & SEC_ALLOC) != 0
1776 && (h->root.type == bfd_link_hash_defweak
1777 || !h->def_regular))
1778 || (!bfd_link_pic (info)
1780 && h->type == STT_GNU_IFUNC))
1782 struct _bfd_sparc_elf_dyn_relocs *p;
1783 struct _bfd_sparc_elf_dyn_relocs **head;
1785 /* When creating a shared object, we must copy these
1786 relocs into the output file. We create a reloc
1787 section in dynobj and make room for the reloc. */
1790 sreloc = _bfd_elf_make_dynamic_reloc_section
1791 (sec, htab->elf.dynobj, htab->word_align_power,
1792 abfd, /*rela?*/ TRUE);
1798 /* If this is a global symbol, we count the number of
1799 relocations we need for this symbol. */
1801 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1804 /* Track dynamic relocs needed for local syms too.
1805 We really need local syms available to do this
1810 BFD_ASSERT (isym != NULL);
1811 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1815 vpp = &elf_section_data (s)->local_dynrel;
1816 head = (struct _bfd_sparc_elf_dyn_relocs **) vpp;
1820 if (p == NULL || p->sec != sec)
1822 bfd_size_type amt = sizeof *p;
1823 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1824 bfd_alloc (htab->elf.dynobj, amt));
1835 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1841 case R_SPARC_GNU_VTINHERIT:
1842 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1846 case R_SPARC_GNU_VTENTRY:
1847 BFD_ASSERT (h != NULL);
1849 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1853 case R_SPARC_REGISTER:
1854 /* Nothing to do. */
1866 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1867 struct bfd_link_info *info,
1868 Elf_Internal_Rela *rel,
1869 struct elf_link_hash_entry *h,
1870 Elf_Internal_Sym *sym)
1873 switch (SPARC_ELF_R_TYPE (rel->r_info))
1875 case R_SPARC_GNU_VTINHERIT:
1876 case R_SPARC_GNU_VTENTRY:
1880 /* FIXME: The test here, in check_relocs and in relocate_section
1881 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
1882 if (bfd_link_pic (info))
1884 switch (SPARC_ELF_R_TYPE (rel->r_info))
1886 case R_SPARC_TLS_GD_CALL:
1887 case R_SPARC_TLS_LDM_CALL:
1888 /* This reloc implicitly references __tls_get_addr. We know
1889 another reloc will reference the same symbol as the one
1890 on this reloc, so the real symbol and section will be
1891 gc marked when processing the other reloc. That lets
1892 us handle __tls_get_addr here. */
1893 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1894 FALSE, FALSE, TRUE);
1895 BFD_ASSERT (h != NULL);
1897 if (h->u.weakdef != NULL)
1898 h->u.weakdef->mark = 1;
1903 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1906 static Elf_Internal_Rela *
1907 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1908 Elf_Internal_Rela *relend,
1911 while (rel < relend)
1913 if (rel->r_offset == offset)
1920 /* Update the got entry reference counts for the section being removed. */
1922 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1923 asection *sec, const Elf_Internal_Rela *relocs)
1925 struct _bfd_sparc_elf_link_hash_table *htab;
1926 Elf_Internal_Shdr *symtab_hdr;
1927 struct elf_link_hash_entry **sym_hashes;
1928 bfd_signed_vma *local_got_refcounts;
1929 const Elf_Internal_Rela *rel, *relend;
1931 if (bfd_link_relocatable (info))
1934 BFD_ASSERT (is_sparc_elf (abfd) || sec->reloc_count == 0);
1936 elf_section_data (sec)->local_dynrel = NULL;
1938 htab = _bfd_sparc_elf_hash_table (info);
1939 BFD_ASSERT (htab != NULL);
1940 symtab_hdr = &elf_symtab_hdr (abfd);
1941 sym_hashes = elf_sym_hashes (abfd);
1942 local_got_refcounts = elf_local_got_refcounts (abfd);
1944 relend = relocs + sec->reloc_count;
1945 for (rel = relocs; rel < relend; rel++)
1947 unsigned long r_symndx;
1948 unsigned int r_type;
1949 struct elf_link_hash_entry *h = NULL;
1951 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1952 if (r_symndx >= symtab_hdr->sh_info)
1954 struct _bfd_sparc_elf_link_hash_entry *eh;
1955 struct _bfd_sparc_elf_dyn_relocs **pp;
1956 struct _bfd_sparc_elf_dyn_relocs *p;
1958 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1959 while (h->root.type == bfd_link_hash_indirect
1960 || h->root.type == bfd_link_hash_warning)
1961 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1962 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1963 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1966 /* Everything must go for SEC. */
1972 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1973 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1976 case R_SPARC_TLS_LDM_HI22:
1977 case R_SPARC_TLS_LDM_LO10:
1978 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
1979 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
1982 case R_SPARC_TLS_GD_HI22:
1983 case R_SPARC_TLS_GD_LO10:
1984 case R_SPARC_TLS_IE_HI22:
1985 case R_SPARC_TLS_IE_LO10:
1989 case R_SPARC_GOTDATA_HIX22:
1990 case R_SPARC_GOTDATA_LOX10:
1991 case R_SPARC_GOTDATA_OP_HIX22:
1992 case R_SPARC_GOTDATA_OP_LOX10:
1995 if (h->got.refcount > 0)
2002 case R_SPARC_GOTDATA_OP_HIX22:
2003 case R_SPARC_GOTDATA_OP_LOX10:
2007 if (local_got_refcounts[r_symndx] > 0)
2008 local_got_refcounts[r_symndx]--;
2016 case R_SPARC_PC_HH22:
2017 case R_SPARC_PC_HM10:
2018 case R_SPARC_PC_LM22:
2020 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2025 case R_SPARC_DISP16:
2026 case R_SPARC_DISP32:
2027 case R_SPARC_DISP64:
2028 case R_SPARC_WDISP30:
2029 case R_SPARC_WDISP22:
2030 case R_SPARC_WDISP19:
2031 case R_SPARC_WDISP16:
2032 case R_SPARC_WDISP10:
2060 if (bfd_link_pic (info))
2064 case R_SPARC_WPLT30:
2067 if (h->plt.refcount > 0)
2080 /* Adjust a symbol defined by a dynamic object and referenced by a
2081 regular object. The current definition is in some section of the
2082 dynamic object, but we're not including those sections. We have to
2083 change the definition to something the rest of the link can
2087 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2088 struct elf_link_hash_entry *h)
2090 struct _bfd_sparc_elf_link_hash_table *htab;
2091 struct _bfd_sparc_elf_link_hash_entry * eh;
2092 struct _bfd_sparc_elf_dyn_relocs *p;
2095 htab = _bfd_sparc_elf_hash_table (info);
2096 BFD_ASSERT (htab != NULL);
2098 /* Make sure we know what is going on here. */
2099 BFD_ASSERT (htab->elf.dynobj != NULL
2101 || h->type == STT_GNU_IFUNC
2102 || h->u.weakdef != NULL
2105 && !h->def_regular)));
2107 /* If this is a function, put it in the procedure linkage table. We
2108 will fill in the contents of the procedure linkage table later
2109 (although we could actually do it here). The STT_NOTYPE
2110 condition is a hack specifically for the Oracle libraries
2111 delivered for Solaris; for some inexplicable reason, they define
2112 some of their functions as STT_NOTYPE when they really should be
2114 if (h->type == STT_FUNC
2115 || h->type == STT_GNU_IFUNC
2117 || (h->type == STT_NOTYPE
2118 && (h->root.type == bfd_link_hash_defined
2119 || h->root.type == bfd_link_hash_defweak)
2120 && (h->root.u.def.section->flags & SEC_CODE) != 0))
2122 if (h->plt.refcount <= 0
2123 || (h->type != STT_GNU_IFUNC
2124 && (SYMBOL_CALLS_LOCAL (info, h)
2125 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2126 && h->root.type == bfd_link_hash_undefweak))))
2128 /* This case can occur if we saw a WPLT30 reloc in an input
2129 file, but the symbol was never referred to by a dynamic
2130 object, or if all references were garbage collected. In
2131 such a case, we don't actually need to build a procedure
2132 linkage table, and we can just do a WDISP30 reloc instead. */
2133 h->plt.offset = (bfd_vma) -1;
2140 h->plt.offset = (bfd_vma) -1;
2142 /* If this is a weak symbol, and there is a real definition, the
2143 processor independent code will have arranged for us to see the
2144 real definition first, and we can just use the same value. */
2145 if (h->u.weakdef != NULL)
2147 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2148 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2149 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2150 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2154 /* This is a reference to a symbol defined by a dynamic object which
2155 is not a function. */
2157 /* If we are creating a shared library, we must presume that the
2158 only references to the symbol are via the global offset table.
2159 For such cases we need not do anything here; the relocations will
2160 be handled correctly by relocate_section. */
2161 if (bfd_link_pic (info))
2164 /* If there are no references to this symbol that do not use the
2165 GOT, we don't need to generate a copy reloc. */
2166 if (!h->non_got_ref)
2169 /* If -z nocopyreloc was given, we won't generate them either. */
2170 if (info->nocopyreloc)
2176 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2177 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2179 s = p->sec->output_section;
2180 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2184 /* If we didn't find any dynamic relocs in read-only sections, then
2185 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2192 /* We must allocate the symbol in our .dynbss section, which will
2193 become part of the .bss section of the executable. There will be
2194 an entry for this symbol in the .dynsym section. The dynamic
2195 object will contain position independent code, so all references
2196 from the dynamic object to this symbol will go through the global
2197 offset table. The dynamic linker will use the .dynsym entry to
2198 determine the address it must put in the global offset table, so
2199 both the dynamic object and the regular object will refer to the
2200 same memory location for the variable. */
2202 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2203 to copy the initial value out of the dynamic object and into the
2204 runtime process image. We need to remember the offset into the
2205 .rel.bss section we are going to use. */
2206 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2208 htab->srelbss->size += SPARC_ELF_RELA_BYTES (htab);
2214 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2217 /* Allocate space in .plt, .got and associated reloc sections for
2221 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2223 struct bfd_link_info *info;
2224 struct _bfd_sparc_elf_link_hash_table *htab;
2225 struct _bfd_sparc_elf_link_hash_entry *eh;
2226 struct _bfd_sparc_elf_dyn_relocs *p;
2228 if (h->root.type == bfd_link_hash_indirect)
2231 info = (struct bfd_link_info *) inf;
2232 htab = _bfd_sparc_elf_hash_table (info);
2233 BFD_ASSERT (htab != NULL);
2235 if ((htab->elf.dynamic_sections_created
2236 && h->plt.refcount > 0)
2237 || (h->type == STT_GNU_IFUNC
2241 /* Make sure this symbol is output as a dynamic symbol.
2242 Undefined weak syms won't yet be marked as dynamic. */
2243 if (h->dynindx == -1
2244 && !h->forced_local)
2246 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2250 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
2251 || (h->type == STT_GNU_IFUNC
2254 asection *s = htab->elf.splt;
2259 /* Allocate room for the header. */
2262 s->size = htab->plt_header_size;
2264 /* Allocate space for the .rela.plt.unloaded relocations. */
2265 if (htab->is_vxworks && !bfd_link_pic (info))
2266 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2269 /* The procedure linkage table size is bounded by the magnitude
2270 of the offset we can describe in the entry. */
2271 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2272 (((bfd_vma)1 << 31) << 1) : 0x400000))
2274 bfd_set_error (bfd_error_bad_value);
2278 if (SPARC_ELF_WORD_BYTES(htab) == 8
2279 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2281 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2284 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2286 h->plt.offset = (s->size - (off * 8));
2289 h->plt.offset = s->size;
2291 /* If this symbol is not defined in a regular file, and we are
2292 not generating a shared library, then set the symbol to this
2293 location in the .plt. This is required to make function
2294 pointers compare as equal between the normal executable and
2295 the shared library. */
2296 if (! bfd_link_pic (info)
2299 h->root.u.def.section = s;
2300 h->root.u.def.value = h->plt.offset;
2303 /* Make room for this entry. */
2304 s->size += htab->plt_entry_size;
2306 /* We also need to make an entry in the .rela.plt section. */
2307 if (s == htab->elf.splt)
2308 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2310 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2312 if (htab->is_vxworks)
2314 /* Allocate space for the .got.plt entry. */
2315 htab->elf.sgotplt->size += 4;
2317 /* ...and for the .rela.plt.unloaded relocations. */
2318 if (!bfd_link_pic (info))
2319 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2324 h->plt.offset = (bfd_vma) -1;
2330 h->plt.offset = (bfd_vma) -1;
2334 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2335 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2336 if (h->got.refcount > 0
2337 && !bfd_link_pic (info)
2339 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2340 h->got.offset = (bfd_vma) -1;
2341 else if (h->got.refcount > 0)
2345 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2347 /* Make sure this symbol is output as a dynamic symbol.
2348 Undefined weak syms won't yet be marked as dynamic. */
2349 if (h->dynindx == -1
2350 && !h->forced_local)
2352 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2357 h->got.offset = s->size;
2358 s->size += SPARC_ELF_WORD_BYTES (htab);
2359 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2360 if (tls_type == GOT_TLS_GD)
2361 s->size += SPARC_ELF_WORD_BYTES (htab);
2362 dyn = htab->elf.dynamic_sections_created;
2363 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2364 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2366 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2367 || tls_type == GOT_TLS_IE
2368 || h->type == STT_GNU_IFUNC)
2369 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2370 else if (tls_type == GOT_TLS_GD)
2371 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2372 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2373 bfd_link_pic (info),
2375 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2378 h->got.offset = (bfd_vma) -1;
2380 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2381 if (eh->dyn_relocs == NULL)
2384 /* In the shared -Bsymbolic case, discard space allocated for
2385 dynamic pc-relative relocs against symbols which turn out to be
2386 defined in regular objects. For the normal shared case, discard
2387 space for pc-relative relocs that have become local due to symbol
2388 visibility changes. */
2390 if (bfd_link_pic (info))
2392 if (SYMBOL_CALLS_LOCAL (info, h))
2394 struct _bfd_sparc_elf_dyn_relocs **pp;
2396 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2398 p->count -= p->pc_count;
2407 if (htab->is_vxworks)
2409 struct _bfd_sparc_elf_dyn_relocs **pp;
2411 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2413 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2420 /* Also discard relocs on undefined weak syms with non-default
2422 if (eh->dyn_relocs != NULL
2423 && h->root.type == bfd_link_hash_undefweak)
2425 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2426 eh->dyn_relocs = NULL;
2428 /* Make sure undefined weak symbols are output as a dynamic
2430 else if (h->dynindx == -1
2431 && !h->forced_local)
2433 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2440 /* For the non-shared case, discard space for relocs against
2441 symbols which turn out to need copy relocs or are not
2447 || (htab->elf.dynamic_sections_created
2448 && (h->root.type == bfd_link_hash_undefweak
2449 || h->root.type == bfd_link_hash_undefined))))
2451 /* Make sure this symbol is output as a dynamic symbol.
2452 Undefined weak syms won't yet be marked as dynamic. */
2453 if (h->dynindx == -1
2454 && !h->forced_local)
2456 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2460 /* If that succeeded, we know we'll be keeping all the
2462 if (h->dynindx != -1)
2466 eh->dyn_relocs = NULL;
2471 /* Finally, allocate space. */
2472 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2474 asection *sreloc = elf_section_data (p->sec)->sreloc;
2475 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2481 /* Allocate space in .plt, .got and associated reloc sections for
2482 local dynamic relocs. */
2485 allocate_local_dynrelocs (void **slot, void *inf)
2487 struct elf_link_hash_entry *h
2488 = (struct elf_link_hash_entry *) *slot;
2490 if (h->type != STT_GNU_IFUNC
2494 || h->root.type != bfd_link_hash_defined)
2497 return allocate_dynrelocs (h, inf);
2500 /* Find any dynamic relocs that apply to read-only sections. */
2503 readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2505 struct _bfd_sparc_elf_link_hash_entry *eh;
2506 struct _bfd_sparc_elf_dyn_relocs *p;
2508 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2509 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2511 asection *s = p->sec->output_section;
2513 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2515 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2517 info->flags |= DF_TEXTREL;
2519 /* Not an error, just cut short the traversal. */
2526 /* Return true if the dynamic symbol for a given section should be
2527 omitted when creating a shared library. */
2530 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2531 struct bfd_link_info *info,
2534 /* We keep the .got section symbol so that explicit relocations
2535 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2536 can be turned into relocations against the .got symbol. */
2537 if (strcmp (p->name, ".got") == 0)
2540 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2543 /* Set the sizes of the dynamic sections. */
2546 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2547 struct bfd_link_info *info)
2549 struct _bfd_sparc_elf_link_hash_table *htab;
2554 htab = _bfd_sparc_elf_hash_table (info);
2555 BFD_ASSERT (htab != NULL);
2556 dynobj = htab->elf.dynobj;
2557 BFD_ASSERT (dynobj != NULL);
2559 if (elf_hash_table (info)->dynamic_sections_created)
2561 /* Set the contents of the .interp section to the interpreter. */
2562 if (bfd_link_executable (info) && !info->nointerp)
2564 s = bfd_get_linker_section (dynobj, ".interp");
2565 BFD_ASSERT (s != NULL);
2566 s->size = htab->dynamic_interpreter_size;
2567 s->contents = (unsigned char *) htab->dynamic_interpreter;
2571 /* Set up .got offsets for local syms, and space for local dynamic
2573 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2575 bfd_signed_vma *local_got;
2576 bfd_signed_vma *end_local_got;
2577 char *local_tls_type;
2578 bfd_size_type locsymcount;
2579 Elf_Internal_Shdr *symtab_hdr;
2582 if (! is_sparc_elf (ibfd))
2585 for (s = ibfd->sections; s != NULL; s = s->next)
2587 struct _bfd_sparc_elf_dyn_relocs *p;
2589 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2591 if (!bfd_is_abs_section (p->sec)
2592 && bfd_is_abs_section (p->sec->output_section))
2594 /* Input section has been discarded, either because
2595 it is a copy of a linkonce section or due to
2596 linker script /DISCARD/, so we'll be discarding
2599 else if (htab->is_vxworks
2600 && strcmp (p->sec->output_section->name,
2603 /* Relocations in vxworks .tls_vars sections are
2604 handled specially by the loader. */
2606 else if (p->count != 0)
2608 srel = elf_section_data (p->sec)->sreloc;
2609 if (!htab->elf.dynamic_sections_created)
2610 srel = htab->elf.irelplt;
2611 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2612 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2613 info->flags |= DF_TEXTREL;
2618 local_got = elf_local_got_refcounts (ibfd);
2622 symtab_hdr = &elf_symtab_hdr (ibfd);
2623 locsymcount = symtab_hdr->sh_info;
2624 end_local_got = local_got + locsymcount;
2625 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2627 srel = htab->elf.srelgot;
2628 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2632 *local_got = s->size;
2633 s->size += SPARC_ELF_WORD_BYTES (htab);
2634 if (*local_tls_type == GOT_TLS_GD)
2635 s->size += SPARC_ELF_WORD_BYTES (htab);
2636 if (bfd_link_pic (info)
2637 || *local_tls_type == GOT_TLS_GD
2638 || *local_tls_type == GOT_TLS_IE)
2639 srel->size += SPARC_ELF_RELA_BYTES (htab);
2642 *local_got = (bfd_vma) -1;
2646 if (htab->tls_ldm_got.refcount > 0)
2648 /* Allocate 2 got entries and 1 dynamic reloc for
2649 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2650 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2651 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2652 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2655 htab->tls_ldm_got.offset = -1;
2657 /* Allocate global sym .plt and .got entries, and space for global
2658 sym dynamic relocs. */
2659 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2661 /* Allocate .plt and .got entries, and space for local symbols. */
2662 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2664 if (! ABI_64_P (output_bfd)
2665 && !htab->is_vxworks
2666 && elf_hash_table (info)->dynamic_sections_created)
2668 /* Make space for the trailing nop in .plt. */
2669 if (htab->elf.splt->size > 0)
2670 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2672 /* If the .got section is more than 0x1000 bytes, we add
2673 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2674 bit relocations have a greater chance of working.
2676 FIXME: Make this optimization work for 64-bit too. */
2677 if (htab->elf.sgot->size >= 0x1000
2678 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2679 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2682 /* The check_relocs and adjust_dynamic_symbol entry points have
2683 determined the sizes of the various dynamic sections. Allocate
2685 for (s = dynobj->sections; s != NULL; s = s->next)
2687 if ((s->flags & SEC_LINKER_CREATED) == 0)
2690 if (s == htab->elf.splt
2691 || s == htab->elf.sgot
2692 || s == htab->sdynbss
2693 || s == htab->elf.iplt
2694 || s == htab->elf.sgotplt)
2696 /* Strip this section if we don't need it; see the
2699 else if (CONST_STRNEQ (s->name, ".rela"))
2703 /* We use the reloc_count field as a counter if we need
2704 to copy relocs into the output file. */
2710 /* It's not one of our sections. */
2716 /* If we don't need this section, strip it from the
2717 output file. This is mostly to handle .rela.bss and
2718 .rela.plt. We must create both sections in
2719 create_dynamic_sections, because they must be created
2720 before the linker maps input sections to output
2721 sections. The linker does that before
2722 adjust_dynamic_symbol is called, and it is that
2723 function which decides whether anything needs to go
2724 into these sections. */
2725 s->flags |= SEC_EXCLUDE;
2729 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2732 /* Allocate memory for the section contents. Zero the memory
2733 for the benefit of .rela.plt, which has 4 unused entries
2734 at the beginning, and we don't want garbage. */
2735 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2736 if (s->contents == NULL)
2740 if (elf_hash_table (info)->dynamic_sections_created)
2742 /* Add some entries to the .dynamic section. We fill in the
2743 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2744 must add the entries now so that we get the correct size for
2745 the .dynamic section. The DT_DEBUG entry is filled in by the
2746 dynamic linker and used by the debugger. */
2747 #define add_dynamic_entry(TAG, VAL) \
2748 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2750 if (bfd_link_executable (info))
2752 if (!add_dynamic_entry (DT_DEBUG, 0))
2756 if (htab->elf.srelplt->size != 0)
2758 if (!add_dynamic_entry (DT_PLTGOT, 0)
2759 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2760 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2761 || !add_dynamic_entry (DT_JMPREL, 0))
2765 if (!add_dynamic_entry (DT_RELA, 0)
2766 || !add_dynamic_entry (DT_RELASZ, 0)
2767 || !add_dynamic_entry (DT_RELAENT,
2768 SPARC_ELF_RELA_BYTES (htab)))
2771 /* If any dynamic relocs apply to a read-only section,
2772 then we need a DT_TEXTREL entry. */
2773 if ((info->flags & DF_TEXTREL) == 0)
2774 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
2776 if (info->flags & DF_TEXTREL)
2778 if (!add_dynamic_entry (DT_TEXTREL, 0))
2782 if (ABI_64_P (output_bfd))
2785 struct _bfd_sparc_elf_app_reg * app_regs;
2786 struct elf_strtab_hash *dynstr;
2787 struct elf_link_hash_table *eht = elf_hash_table (info);
2789 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2790 entries if needed. */
2791 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2792 dynstr = eht->dynstr;
2794 for (reg = 0; reg < 4; reg++)
2795 if (app_regs [reg].name != NULL)
2797 struct elf_link_local_dynamic_entry *entry, *e;
2799 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2802 entry = (struct elf_link_local_dynamic_entry *)
2803 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2807 /* We cheat here a little bit: the symbol will not be local, so we
2808 put it at the end of the dynlocal linked list. We will fix it
2809 later on, as we have to fix other fields anyway. */
2810 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2811 entry->isym.st_size = 0;
2812 if (*app_regs [reg].name != '\0')
2814 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2816 entry->isym.st_name = 0;
2817 entry->isym.st_other = 0;
2818 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2820 entry->isym.st_shndx = app_regs [reg].shndx;
2821 entry->isym.st_target_internal = 0;
2823 entry->input_bfd = output_bfd;
2824 entry->input_indx = -1;
2826 if (eht->dynlocal == NULL)
2827 eht->dynlocal = entry;
2830 for (e = eht->dynlocal; e->next; e = e->next)
2837 if (htab->is_vxworks
2838 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2841 #undef add_dynamic_entry
2847 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2849 if (!sec->used_by_bfd)
2851 struct _bfd_sparc_elf_section_data *sdata;
2852 bfd_size_type amt = sizeof (*sdata);
2854 sdata = bfd_zalloc (abfd, amt);
2857 sec->used_by_bfd = sdata;
2860 return _bfd_elf_new_section_hook (abfd, sec);
2864 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2865 struct bfd_section *section,
2866 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2869 if (bfd_link_relocatable (link_info))
2870 (*link_info->callbacks->einfo)
2871 (_("%P%F: --relax and -r may not be used together\n"));
2874 sec_do_relax (section) = 1;
2878 /* Return the base VMA address which should be subtracted from real addresses
2879 when resolving @dtpoff relocation.
2880 This is PT_TLS segment p_vaddr. */
2883 dtpoff_base (struct bfd_link_info *info)
2885 /* If tls_sec is NULL, we should have signalled an error already. */
2886 if (elf_hash_table (info)->tls_sec == NULL)
2888 return elf_hash_table (info)->tls_sec->vma;
2891 /* Return the relocation value for @tpoff relocation
2892 if STT_TLS virtual address is ADDRESS. */
2895 tpoff (struct bfd_link_info *info, bfd_vma address)
2897 struct elf_link_hash_table *htab = elf_hash_table (info);
2898 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2899 bfd_vma static_tls_size;
2901 /* If tls_sec is NULL, we should have signalled an error already. */
2902 if (htab->tls_sec == NULL)
2905 /* Consider special static TLS alignment requirements. */
2906 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2907 return address - static_tls_size - htab->tls_sec->vma;
2910 /* Return the relocation value for a %gdop relocation. */
2913 gdopoff (struct bfd_link_info *info, bfd_vma address)
2915 struct elf_link_hash_table *htab = elf_hash_table (info);
2918 got_base = (htab->hgot->root.u.def.value
2919 + htab->hgot->root.u.def.section->output_offset
2920 + htab->hgot->root.u.def.section->output_section->vma);
2922 return address - got_base;
2925 /* Relocate a SPARC ELF section. */
2928 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2929 struct bfd_link_info *info,
2931 asection *input_section,
2933 Elf_Internal_Rela *relocs,
2934 Elf_Internal_Sym *local_syms,
2935 asection **local_sections)
2937 struct _bfd_sparc_elf_link_hash_table *htab;
2938 Elf_Internal_Shdr *symtab_hdr;
2939 struct elf_link_hash_entry **sym_hashes;
2940 bfd_vma *local_got_offsets;
2943 Elf_Internal_Rela *rel;
2944 Elf_Internal_Rela *relend;
2946 bfd_boolean is_vxworks_tls;
2948 htab = _bfd_sparc_elf_hash_table (info);
2949 BFD_ASSERT (htab != NULL);
2950 symtab_hdr = &elf_symtab_hdr (input_bfd);
2951 sym_hashes = elf_sym_hashes (input_bfd);
2952 local_got_offsets = elf_local_got_offsets (input_bfd);
2954 if (elf_hash_table (info)->hgot == NULL)
2957 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2959 sreloc = elf_section_data (input_section)->sreloc;
2960 /* We have to handle relocations in vxworks .tls_vars sections
2961 specially, because the dynamic loader is 'weird'. */
2962 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
2963 && !strcmp (input_section->output_section->name,
2967 if (ABI_64_P (output_bfd))
2968 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2970 num_relocs = input_section->reloc_count;
2971 relend = relocs + num_relocs;
2972 for (; rel < relend; rel++)
2974 int r_type, tls_type;
2975 reloc_howto_type *howto;
2976 unsigned long r_symndx;
2977 struct elf_link_hash_entry *h;
2978 Elf_Internal_Sym *sym;
2980 bfd_vma relocation, off;
2981 bfd_reloc_status_type r;
2982 bfd_boolean is_plt = FALSE;
2983 bfd_boolean unresolved_reloc;
2985 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2986 if (r_type == R_SPARC_GNU_VTINHERIT
2987 || r_type == R_SPARC_GNU_VTENTRY)
2990 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2992 bfd_set_error (bfd_error_bad_value);
2995 howto = _bfd_sparc_elf_howto_table + r_type;
2997 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
3001 unresolved_reloc = FALSE;
3002 if (r_symndx < symtab_hdr->sh_info)
3004 sym = local_syms + r_symndx;
3005 sec = local_sections[r_symndx];
3006 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
3008 if (!bfd_link_relocatable (info)
3009 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
3011 /* Relocate against local STT_GNU_IFUNC symbol. */
3012 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
3017 /* Set STT_GNU_IFUNC symbol value. */
3018 h->root.u.def.value = sym->st_value;
3019 h->root.u.def.section = sec;
3024 bfd_boolean warned, ignored;
3026 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
3027 r_symndx, symtab_hdr, sym_hashes,
3029 unresolved_reloc, warned, ignored);
3032 /* To avoid generating warning messages about truncated
3033 relocations, set the relocation's address to be the same as
3034 the start of this section. */
3035 if (input_section->output_section != NULL)
3036 relocation = input_section->output_section->vma;
3042 if (sec != NULL && discarded_section (sec))
3043 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3044 rel, 1, relend, howto, 0, contents);
3046 if (bfd_link_relocatable (info))
3050 && h->type == STT_GNU_IFUNC
3056 if ((input_section->flags & SEC_ALLOC) == 0
3057 || h->plt.offset == (bfd_vma) -1)
3060 plt_sec = htab->elf.splt;
3062 plt_sec =htab->elf.iplt;
3066 case R_SPARC_GOTDATA_OP:
3069 case R_SPARC_GOTDATA_OP_HIX22:
3070 case R_SPARC_GOTDATA_OP_LOX10:
3071 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3074 howto = _bfd_sparc_elf_howto_table + r_type;
3080 if (htab->elf.sgot == NULL)
3082 off = h->got.offset;
3083 if (off == (bfd_vma) -1)
3085 relocation = htab->elf.sgot->output_offset + off - got_base;
3088 case R_SPARC_WPLT30:
3089 case R_SPARC_WDISP30:
3090 relocation = (plt_sec->output_section->vma
3091 + plt_sec->output_offset + h->plt.offset);
3096 if (bfd_link_pic (info) && h->non_got_ref)
3098 Elf_Internal_Rela outrel;
3101 offset = _bfd_elf_section_offset (output_bfd, info,
3104 if (offset == (bfd_vma) -1
3105 || offset == (bfd_vma) -2)
3108 outrel.r_offset = (input_section->output_section->vma
3109 + input_section->output_offset
3112 if (h->dynindx == -1
3114 || bfd_link_executable (info))
3116 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3117 0, R_SPARC_IRELATIVE);
3118 outrel.r_addend = relocation + rel->r_addend;
3122 if (h->dynindx == -1)
3124 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3125 outrel.r_addend = rel->r_addend;
3128 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3132 relocation = (plt_sec->output_section->vma
3133 + plt_sec->output_offset + h->plt.offset);
3138 /* We should only see such relocs in static links. */
3139 if (bfd_link_pic (info))
3141 relocation = (plt_sec->output_section->vma
3142 + plt_sec->output_offset + h->plt.offset);
3146 if (h->root.root.string)
3147 name = h->root.root.string;
3149 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3151 (*_bfd_error_handler)
3152 (_("%B: relocation %s against STT_GNU_IFUNC "
3153 "symbol `%s' isn't handled by %s"), input_bfd,
3154 _bfd_sparc_elf_howto_table[r_type].name,
3155 name, __FUNCTION__);
3156 bfd_set_error (bfd_error_bad_value);
3163 case R_SPARC_GOTDATA_OP_HIX22:
3164 case R_SPARC_GOTDATA_OP_LOX10:
3165 if (SYMBOL_REFERENCES_LOCAL (info, h))
3166 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3167 ? R_SPARC_GOTDATA_HIX22
3168 : R_SPARC_GOTDATA_LOX10);
3170 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3173 howto = _bfd_sparc_elf_howto_table + r_type;
3176 case R_SPARC_GOTDATA_OP:
3177 if (SYMBOL_REFERENCES_LOCAL (info, h))
3179 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3181 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3182 relocation = 0x80000000 | (insn & 0x3e07c01f);
3183 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3190 case R_SPARC_GOTDATA_HIX22:
3191 case R_SPARC_GOTDATA_LOX10:
3192 relocation = gdopoff (info, relocation);
3198 /* Relocation is to the entry for this symbol in the global
3200 if (htab->elf.sgot == NULL)
3207 off = h->got.offset;
3208 BFD_ASSERT (off != (bfd_vma) -1);
3209 dyn = elf_hash_table (info)->dynamic_sections_created;
3211 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3212 bfd_link_pic (info),
3214 || (bfd_link_pic (info)
3215 && SYMBOL_REFERENCES_LOCAL (info, h)))
3217 /* This is actually a static link, or it is a
3218 -Bsymbolic link and the symbol is defined
3219 locally, or the symbol was forced to be local
3220 because of a version file. We must initialize
3221 this entry in the global offset table. Since the
3222 offset must always be a multiple of 8 for 64-bit
3223 and 4 for 32-bit, we use the least significant bit
3224 to record whether we have initialized it already.
3226 When doing a dynamic link, we create a .rela.got
3227 relocation entry to initialize the value. This
3228 is done in the finish_dynamic_symbol routine. */
3233 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3234 htab->elf.sgot->contents + off);
3239 unresolved_reloc = FALSE;
3243 BFD_ASSERT (local_got_offsets != NULL
3244 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3246 off = local_got_offsets[r_symndx];
3248 /* The offset must always be a multiple of 8 on 64-bit and
3249 4 on 32-bit. We use the least significant bit to record
3250 whether we have already processed this entry. */
3256 if (bfd_link_pic (info))
3259 Elf_Internal_Rela outrel;
3261 /* We need to generate a R_SPARC_RELATIVE reloc
3262 for the dynamic linker. */
3263 s = htab->elf.srelgot;
3264 BFD_ASSERT (s != NULL);
3266 outrel.r_offset = (htab->elf.sgot->output_section->vma
3267 + htab->elf.sgot->output_offset
3269 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3270 0, R_SPARC_RELATIVE);
3271 outrel.r_addend = relocation;
3273 sparc_elf_append_rela (output_bfd, s, &outrel);
3276 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3277 htab->elf.sgot->contents + off);
3278 local_got_offsets[r_symndx] |= 1;
3281 relocation = htab->elf.sgot->output_offset + off - got_base;
3286 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3288 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3293 case R_SPARC_WPLT30:
3294 case R_SPARC_HIPLT22:
3295 case R_SPARC_LOPLT10:
3296 case R_SPARC_PCPLT32:
3297 case R_SPARC_PCPLT22:
3298 case R_SPARC_PCPLT10:
3300 /* Relocation is to the entry for this symbol in the
3301 procedure linkage table. */
3303 if (! ABI_64_P (output_bfd))
3305 /* The Solaris native assembler will generate a WPLT30 reloc
3306 for a local symbol if you assemble a call from one
3307 section to another when using -K pic. We treat it as
3312 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3313 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3317 BFD_ASSERT (h != NULL);
3320 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3322 /* We didn't make a PLT entry for this symbol. This
3323 happens when statically linking PIC code, or when
3324 using -Bsymbolic. */
3328 relocation = (htab->elf.splt->output_section->vma
3329 + htab->elf.splt->output_offset
3331 unresolved_reloc = FALSE;
3332 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3334 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3342 case R_SPARC_PC_HH22:
3343 case R_SPARC_PC_HM10:
3344 case R_SPARC_PC_LM22:
3346 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3350 case R_SPARC_DISP16:
3351 case R_SPARC_DISP32:
3352 case R_SPARC_DISP64:
3353 case R_SPARC_WDISP30:
3354 case R_SPARC_WDISP22:
3355 case R_SPARC_WDISP19:
3356 case R_SPARC_WDISP16:
3357 case R_SPARC_WDISP10:
3385 if ((input_section->flags & SEC_ALLOC) == 0
3389 if ((bfd_link_pic (info)
3391 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3392 || h->root.type != bfd_link_hash_undefweak)
3393 && (! howto->pc_relative
3394 || !SYMBOL_CALLS_LOCAL (info, h)))
3395 || (!bfd_link_pic (info)
3401 || h->root.type == bfd_link_hash_undefweak
3402 || h->root.type == bfd_link_hash_undefined)))
3404 Elf_Internal_Rela outrel;
3405 bfd_boolean skip, relocate = FALSE;
3407 /* When generating a shared object, these relocations
3408 are copied into the output file to be resolved at run
3411 BFD_ASSERT (sreloc != NULL);
3416 _bfd_elf_section_offset (output_bfd, info, input_section,
3418 if (outrel.r_offset == (bfd_vma) -1)
3420 else if (outrel.r_offset == (bfd_vma) -2)
3421 skip = TRUE, relocate = TRUE;
3422 outrel.r_offset += (input_section->output_section->vma
3423 + input_section->output_offset);
3425 /* Optimize unaligned reloc usage now that we know where
3426 it finally resides. */
3430 if (outrel.r_offset & 1)
3431 r_type = R_SPARC_UA16;
3434 if (!(outrel.r_offset & 1))
3435 r_type = R_SPARC_16;
3438 if (outrel.r_offset & 3)
3439 r_type = R_SPARC_UA32;
3442 if (!(outrel.r_offset & 3))
3443 r_type = R_SPARC_32;
3446 if (outrel.r_offset & 7)
3447 r_type = R_SPARC_UA64;
3450 if (!(outrel.r_offset & 7))
3451 r_type = R_SPARC_64;
3454 case R_SPARC_DISP16:
3455 case R_SPARC_DISP32:
3456 case R_SPARC_DISP64:
3457 /* If the symbol is not dynamic, we should not keep
3458 a dynamic relocation. But an .rela.* slot has been
3459 allocated for it, output R_SPARC_NONE.
3460 FIXME: Add code tracking needed dynamic relocs as
3462 if (h->dynindx == -1)
3463 skip = TRUE, relocate = TRUE;
3468 memset (&outrel, 0, sizeof outrel);
3469 /* h->dynindx may be -1 if the symbol was marked to
3473 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
3474 || !bfd_link_pic (info)
3475 || !SYMBOLIC_BIND (info, h)
3476 || !h->def_regular))
3478 BFD_ASSERT (h->dynindx != -1);
3479 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3480 outrel.r_addend = rel->r_addend;
3484 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3485 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
3487 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3488 0, R_SPARC_RELATIVE);
3489 outrel.r_addend = relocation + rel->r_addend;
3495 outrel.r_addend = relocation + rel->r_addend;
3498 sec = htab->elf.splt;
3500 if (bfd_is_abs_section (sec))
3502 else if (sec == NULL || sec->owner == NULL)
3504 bfd_set_error (bfd_error_bad_value);
3511 /* We are turning this relocation into one
3512 against a section symbol. It would be
3513 proper to subtract the symbol's value,
3514 osec->vma, from the emitted reloc addend,
3515 but ld.so expects buggy relocs. */
3516 osec = sec->output_section;
3517 indx = elf_section_data (osec)->dynindx;
3521 osec = htab->elf.text_index_section;
3522 indx = elf_section_data (osec)->dynindx;
3525 /* FIXME: we really should be able to link non-pic
3526 shared libraries. */
3530 (*_bfd_error_handler)
3531 (_("%B: probably compiled without -fPIC?"),
3533 bfd_set_error (bfd_error_bad_value);
3538 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3543 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3545 /* This reloc will be computed at runtime, so there's no
3546 need to do anything now. */
3552 case R_SPARC_TLS_GD_HI22:
3553 if (! ABI_64_P (input_bfd)
3554 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
3556 /* R_SPARC_REV32 used the same reloc number as
3557 R_SPARC_TLS_GD_HI22. */
3558 r_type = R_SPARC_REV32;
3563 case R_SPARC_TLS_GD_LO10:
3564 case R_SPARC_TLS_IE_HI22:
3565 case R_SPARC_TLS_IE_LO10:
3566 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
3567 tls_type = GOT_UNKNOWN;
3568 if (h == NULL && local_got_offsets)
3569 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3572 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3573 if (!bfd_link_pic (info)
3575 && tls_type == GOT_TLS_IE)
3576 switch (SPARC_ELF_R_TYPE (rel->r_info))
3578 case R_SPARC_TLS_GD_HI22:
3579 case R_SPARC_TLS_IE_HI22:
3580 r_type = R_SPARC_TLS_LE_HIX22;
3583 r_type = R_SPARC_TLS_LE_LOX10;
3587 if (tls_type == GOT_TLS_IE)
3590 case R_SPARC_TLS_GD_HI22:
3591 r_type = R_SPARC_TLS_IE_HI22;
3593 case R_SPARC_TLS_GD_LO10:
3594 r_type = R_SPARC_TLS_IE_LO10;
3598 if (r_type == R_SPARC_TLS_LE_HIX22)
3600 relocation = tpoff (info, relocation);
3603 if (r_type == R_SPARC_TLS_LE_LOX10)
3605 /* Change add into xor. */
3606 relocation = tpoff (info, relocation);
3607 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3608 contents + rel->r_offset)
3609 | 0x80182000), contents + rel->r_offset);
3615 off = h->got.offset;
3620 BFD_ASSERT (local_got_offsets != NULL);
3621 off = local_got_offsets[r_symndx];
3622 local_got_offsets[r_symndx] |= 1;
3626 if (htab->elf.sgot == NULL)
3633 Elf_Internal_Rela outrel;
3636 if (htab->elf.srelgot == NULL)
3639 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3640 htab->elf.sgot->contents + off);
3641 outrel.r_offset = (htab->elf.sgot->output_section->vma
3642 + htab->elf.sgot->output_offset + off);
3643 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3644 if (r_type == R_SPARC_TLS_IE_HI22
3645 || r_type == R_SPARC_TLS_IE_LO10)
3646 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3648 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3649 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3650 outrel.r_addend = relocation - dtpoff_base (info);
3652 outrel.r_addend = 0;
3653 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3654 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3656 if (r_type == R_SPARC_TLS_GD_HI22
3657 || r_type == R_SPARC_TLS_GD_LO10)
3661 BFD_ASSERT (! unresolved_reloc);
3662 SPARC_ELF_PUT_WORD (htab, output_bfd,
3663 relocation - dtpoff_base (info),
3664 (htab->elf.sgot->contents + off
3665 + SPARC_ELF_WORD_BYTES (htab)));
3669 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3670 (htab->elf.sgot->contents + off
3671 + SPARC_ELF_WORD_BYTES (htab)));
3672 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3673 SPARC_ELF_DTPOFF_RELOC (htab));
3674 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3675 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3679 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3681 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3682 (htab->elf.sgot->contents + off
3683 + SPARC_ELF_WORD_BYTES (htab)));
3687 if (off >= (bfd_vma) -2)
3690 relocation = htab->elf.sgot->output_offset + off - got_base;
3691 unresolved_reloc = FALSE;
3692 howto = _bfd_sparc_elf_howto_table + r_type;
3695 case R_SPARC_TLS_LDM_HI22:
3696 case R_SPARC_TLS_LDM_LO10:
3697 if (! bfd_link_pic (info))
3699 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3702 off = htab->tls_ldm_got.offset;
3703 htab->tls_ldm_got.offset |= 1;
3704 goto r_sparc_tlsldm;
3706 case R_SPARC_TLS_LDO_HIX22:
3707 case R_SPARC_TLS_LDO_LOX10:
3708 if (bfd_link_pic (info))
3710 relocation -= dtpoff_base (info);
3714 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3715 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3718 case R_SPARC_TLS_LE_HIX22:
3719 case R_SPARC_TLS_LE_LOX10:
3720 if (bfd_link_pic (info))
3722 Elf_Internal_Rela outrel;
3725 BFD_ASSERT (sreloc != NULL);
3728 _bfd_elf_section_offset (output_bfd, info, input_section,
3730 if (outrel.r_offset == (bfd_vma) -1)
3732 else if (outrel.r_offset == (bfd_vma) -2)
3734 outrel.r_offset += (input_section->output_section->vma
3735 + input_section->output_offset);
3737 memset (&outrel, 0, sizeof outrel);
3740 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3741 outrel.r_addend = relocation - dtpoff_base (info)
3745 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3748 relocation = tpoff (info, relocation);
3751 case R_SPARC_TLS_LDM_CALL:
3752 if (! bfd_link_pic (info))
3755 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3760 case R_SPARC_TLS_GD_CALL:
3761 tls_type = GOT_UNKNOWN;
3762 if (h == NULL && local_got_offsets)
3763 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3765 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3766 if (! bfd_link_pic (info)
3767 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3769 Elf_Internal_Rela *rel2;
3772 if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
3775 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3780 if (rel + 1 < relend
3781 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3782 && rel[1].r_offset == rel->r_offset + 4
3783 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3784 && (((insn = bfd_get_32 (input_bfd,
3785 contents + rel[1].r_offset))
3786 >> 25) & 0x1f) == 8)
3789 call __tls_get_addr, %tgd_call(foo)
3790 add %reg1, %reg2, %o0, %tgd_add(foo)
3791 and change it into IE:
3792 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3793 add %g7, %o0, %o0, %tie_add(foo).
3794 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3795 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3796 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3797 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3798 contents + rel->r_offset);
3799 bfd_put_32 (output_bfd, 0x9001c008,
3800 contents + rel->r_offset + 4);
3805 /* We cannot just overwrite the delay slot instruction,
3806 as it might be what puts the %o0 argument to
3807 __tls_get_addr into place. So we have to transpose
3808 the delay slot with the add we patch in. */
3809 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3810 bfd_put_32 (output_bfd, insn,
3811 contents + rel->r_offset);
3812 bfd_put_32 (output_bfd, 0x9001c008,
3813 contents + rel->r_offset + 4);
3816 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3820 /* If the instruction we moved has a relocation attached to
3821 it, adjust the offset so that it will apply to the correct
3823 rel2->r_offset -= 4;
3828 h = (struct elf_link_hash_entry *)
3829 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3831 BFD_ASSERT (h != NULL);
3832 r_type = R_SPARC_WPLT30;
3833 howto = _bfd_sparc_elf_howto_table + r_type;
3834 goto r_sparc_wplt30;
3836 case R_SPARC_TLS_GD_ADD:
3837 tls_type = GOT_UNKNOWN;
3838 if (h == NULL && local_got_offsets)
3839 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3841 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3842 if (! bfd_link_pic (info) || tls_type == GOT_TLS_IE)
3844 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3846 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3848 add %g7, %reg2, %reg3. */
3849 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3850 if ((h != NULL && h->dynindx != -1) || bfd_link_pic (info))
3851 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3853 relocation = (insn & ~0x7c000) | 0x1c000;
3854 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3858 case R_SPARC_TLS_LDM_ADD:
3859 if (! bfd_link_pic (info))
3860 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3863 case R_SPARC_TLS_LDO_ADD:
3864 if (! bfd_link_pic (info))
3866 /* Change rs1 into %g7. */
3867 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3868 insn = (insn & ~0x7c000) | 0x1c000;
3869 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3873 case R_SPARC_TLS_IE_LD:
3874 case R_SPARC_TLS_IE_LDX:
3875 if (! bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
3877 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3878 int rs2 = insn & 0x1f;
3879 int rd = (insn >> 25) & 0x1f;
3882 relocation = SPARC_NOP;
3884 relocation = 0x80100000 | (insn & 0x3e00001f);
3885 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3889 case R_SPARC_TLS_IE_ADD:
3890 /* Totally useless relocation. */
3893 case R_SPARC_TLS_DTPOFF32:
3894 case R_SPARC_TLS_DTPOFF64:
3895 relocation -= dtpoff_base (info);
3902 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3903 because such sections are not SEC_ALLOC and thus ld.so will
3904 not process them. */
3905 if (unresolved_reloc
3906 && !((input_section->flags & SEC_DEBUGGING) != 0
3908 && _bfd_elf_section_offset (output_bfd, info, input_section,
3909 rel->r_offset) != (bfd_vma) -1)
3910 (*_bfd_error_handler)
3911 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3914 (long) rel->r_offset,
3916 h->root.root.string);
3918 r = bfd_reloc_continue;
3919 if (r_type == R_SPARC_OLO10)
3923 if (! ABI_64_P (output_bfd))
3926 relocation += rel->r_addend;
3927 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3929 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3930 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3931 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3933 r = bfd_check_overflow (howto->complain_on_overflow,
3934 howto->bitsize, howto->rightshift,
3935 bfd_arch_bits_per_address (input_bfd),
3938 else if (r_type == R_SPARC_WDISP16)
3942 relocation += rel->r_addend;
3943 relocation -= (input_section->output_section->vma
3944 + input_section->output_offset);
3945 relocation -= rel->r_offset;
3947 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3948 x |= ((((relocation >> 2) & 0xc000) << 6)
3949 | ((relocation >> 2) & 0x3fff));
3950 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3952 r = bfd_check_overflow (howto->complain_on_overflow,
3953 howto->bitsize, howto->rightshift,
3954 bfd_arch_bits_per_address (input_bfd),
3957 else if (r_type == R_SPARC_WDISP10)
3961 relocation += rel->r_addend;
3962 relocation -= (input_section->output_section->vma
3963 + input_section->output_offset);
3964 relocation -= rel->r_offset;
3966 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3967 x |= ((((relocation >> 2) & 0x300) << 11)
3968 | (((relocation >> 2) & 0xff) << 5));
3969 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3971 r = bfd_check_overflow (howto->complain_on_overflow,
3972 howto->bitsize, howto->rightshift,
3973 bfd_arch_bits_per_address (input_bfd),
3976 else if (r_type == R_SPARC_REV32)
3980 relocation = relocation + rel->r_addend;
3982 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3984 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3987 else if (r_type == R_SPARC_TLS_LDO_HIX22
3988 || r_type == R_SPARC_TLS_LE_HIX22)
3992 relocation += rel->r_addend;
3993 if (r_type == R_SPARC_TLS_LE_HIX22)
3994 relocation ^= MINUS_ONE;
3996 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3997 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3998 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4001 else if (r_type == R_SPARC_TLS_LDO_LOX10
4002 || r_type == R_SPARC_TLS_LE_LOX10)
4006 relocation += rel->r_addend;
4007 relocation &= 0x3ff;
4008 if (r_type == R_SPARC_TLS_LE_LOX10)
4009 relocation |= 0x1c00;
4011 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4012 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4013 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4017 else if (r_type == R_SPARC_HIX22
4018 || r_type == R_SPARC_GOTDATA_HIX22)
4022 relocation += rel->r_addend;
4023 if (r_type == R_SPARC_HIX22
4024 || (bfd_signed_vma) relocation < 0)
4025 relocation = relocation ^ MINUS_ONE;
4027 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4028 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4029 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4031 r = bfd_check_overflow (howto->complain_on_overflow,
4032 howto->bitsize, howto->rightshift,
4033 bfd_arch_bits_per_address (input_bfd),
4036 else if (r_type == R_SPARC_LOX10
4037 || r_type == R_SPARC_GOTDATA_LOX10)
4041 relocation += rel->r_addend;
4042 if (r_type == R_SPARC_LOX10
4043 || (bfd_signed_vma) relocation < 0)
4044 relocation = (relocation & 0x3ff) | 0x1c00;
4046 relocation = (relocation & 0x3ff);
4048 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4049 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4050 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4054 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4055 && sec_do_relax (input_section)
4056 && rel->r_offset + 4 < input_section->size)
4060 #define XCC (2 << 20)
4061 #define COND(x) (((x)&0xf)<<25)
4062 #define CONDA COND(0x8)
4063 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4064 #define INSN_BA (F2(0,2) | CONDA)
4065 #define INSN_OR F3(2, 0x2, 0)
4066 #define INSN_NOP F2(0,4)
4070 /* If the instruction is a call with either:
4072 arithmetic instruction with rd == %o7
4073 where rs1 != %o7 and rs2 if it is register != %o7
4074 then we can optimize if the call destination is near
4075 by changing the call into a branch always. */
4076 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4077 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4078 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4080 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4081 || ((y & OP3(0x28)) == 0 /* arithmetic */
4082 && (y & RD(~0)) == RD(O7)))
4083 && (y & RS1(~0)) != RS1(O7)
4085 || (y & RS2(~0)) != RS2(O7)))
4089 reloc = relocation + rel->r_addend - rel->r_offset;
4090 reloc -= (input_section->output_section->vma
4091 + input_section->output_offset);
4093 /* Ensure the branch fits into simm22. */
4094 if ((reloc & 3) == 0
4095 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4096 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4100 /* Check whether it fits into simm19. */
4101 if (((reloc & 0x3c0000) == 0
4102 || (reloc & 0x3c0000) == 0x3c0000)
4103 && (ABI_64_P (output_bfd)
4104 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4105 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4107 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4108 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4110 if (rel->r_offset >= 4
4111 && (y & (0xffffffff ^ RS1(~0)))
4112 == (INSN_OR | RD(O7) | RS2(G0)))
4117 z = bfd_get_32 (input_bfd,
4118 contents + rel->r_offset - 4);
4119 if ((z & (0xffffffff ^ RD(~0)))
4120 != (INSN_OR | RS1(O7) | RS2(G0)))
4128 If call foo was replaced with ba, replace
4129 or %rN, %g0, %o7 with nop. */
4131 reg = (y & RS1(~0)) >> 14;
4132 if (reg != ((z & RD(~0)) >> 25)
4133 || reg == G0 || reg == O7)
4136 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4137 contents + rel->r_offset + 4);
4145 if (r == bfd_reloc_continue)
4148 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4149 contents, rel->r_offset,
4150 relocation, rel->r_addend);
4152 if (r != bfd_reloc_ok)
4157 case bfd_reloc_outofrange:
4159 case bfd_reloc_overflow:
4163 /* The Solaris native linker silently disregards overflows.
4164 We don't, but this breaks stabs debugging info, whose
4165 relocations are only 32-bits wide. Ignore overflows in
4166 this case and also for discarded entries. */
4167 if ((r_type == R_SPARC_32
4168 || r_type == R_SPARC_UA32
4169 || r_type == R_SPARC_DISP32)
4170 && (((input_section->flags & SEC_DEBUGGING) != 0
4171 && strcmp (bfd_section_name (input_bfd,
4174 || _bfd_elf_section_offset (output_bfd, info,
4182 /* Assume this is a call protected by other code that
4183 detect the symbol is undefined. If this is the case,
4184 we can safely ignore the overflow. If not, the
4185 program is hosed anyway, and a little warning isn't
4187 if (h->root.type == bfd_link_hash_undefweak
4188 && howto->pc_relative)
4195 name = bfd_elf_string_from_elf_section (input_bfd,
4196 symtab_hdr->sh_link,
4201 name = bfd_section_name (input_bfd, sec);
4203 (*info->callbacks->reloc_overflow)
4204 (info, (h ? &h->root : NULL), name, howto->name,
4205 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
4215 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4216 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4217 is the offset of the associated .got.plt entry from
4218 _GLOBAL_OFFSET_TABLE_. */
4221 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4222 bfd_vma plt_offset, bfd_vma plt_index,
4226 const bfd_vma *plt_entry;
4227 struct _bfd_sparc_elf_link_hash_table *htab;
4229 Elf_Internal_Rela rela;
4231 htab = _bfd_sparc_elf_hash_table (info);
4232 BFD_ASSERT (htab != NULL);
4234 if (bfd_link_pic (info))
4236 plt_entry = sparc_vxworks_shared_plt_entry;
4241 plt_entry = sparc_vxworks_exec_plt_entry;
4242 got_base = (htab->elf.hgot->root.u.def.value
4243 + htab->elf.hgot->root.u.def.section->output_offset
4244 + htab->elf.hgot->root.u.def.section->output_section->vma);
4247 /* Fill in the entry in the procedure linkage table. */
4248 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4249 htab->elf.splt->contents + plt_offset);
4250 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4251 htab->elf.splt->contents + plt_offset + 4);
4252 bfd_put_32 (output_bfd, plt_entry[2],
4253 htab->elf.splt->contents + plt_offset + 8);
4254 bfd_put_32 (output_bfd, plt_entry[3],
4255 htab->elf.splt->contents + plt_offset + 12);
4256 bfd_put_32 (output_bfd, plt_entry[4],
4257 htab->elf.splt->contents + plt_offset + 16);
4258 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4259 htab->elf.splt->contents + plt_offset + 20);
4260 /* PC-relative displacement for a branch to the start of
4262 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4264 htab->elf.splt->contents + plt_offset + 24);
4265 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4266 htab->elf.splt->contents + plt_offset + 28);
4268 /* Fill in the .got.plt entry, pointing initially at the
4269 second half of the PLT entry. */
4270 BFD_ASSERT (htab->elf.sgotplt != NULL);
4271 bfd_put_32 (output_bfd,
4272 htab->elf.splt->output_section->vma
4273 + htab->elf.splt->output_offset
4275 htab->elf.sgotplt->contents + got_offset);
4277 /* Add relocations to .rela.plt.unloaded. */
4278 if (!bfd_link_pic (info))
4280 loc = (htab->srelplt2->contents
4281 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4283 /* Relocate the initial sethi. */
4284 rela.r_offset = (htab->elf.splt->output_section->vma
4285 + htab->elf.splt->output_offset
4287 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4288 rela.r_addend = got_offset;
4289 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4290 loc += sizeof (Elf32_External_Rela);
4292 /* Likewise the following or. */
4294 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4295 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4296 loc += sizeof (Elf32_External_Rela);
4298 /* Relocate the .got.plt entry. */
4299 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4300 + htab->elf.sgotplt->output_offset
4302 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4303 rela.r_addend = plt_offset + 20;
4304 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4308 /* Finish up dynamic symbol handling. We set the contents of various
4309 dynamic sections here. */
4312 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4313 struct bfd_link_info *info,
4314 struct elf_link_hash_entry *h,
4315 Elf_Internal_Sym *sym)
4317 struct _bfd_sparc_elf_link_hash_table *htab;
4318 const struct elf_backend_data *bed;
4320 htab = _bfd_sparc_elf_hash_table (info);
4321 BFD_ASSERT (htab != NULL);
4322 bed = get_elf_backend_data (output_bfd);
4324 if (h->plt.offset != (bfd_vma) -1)
4328 Elf_Internal_Rela rela;
4330 bfd_vma r_offset, got_offset;
4333 /* When building a static executable, use .iplt and
4334 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4335 if (htab->elf.splt != NULL)
4337 splt = htab->elf.splt;
4338 srela = htab->elf.srelplt;
4342 splt = htab->elf.iplt;
4343 srela = htab->elf.irelplt;
4346 if (splt == NULL || srela == NULL)
4349 /* Fill in the entry in the .rela.plt section. */
4350 if (htab->is_vxworks)
4352 /* Work out the index of this PLT entry. */
4353 rela_index = ((h->plt.offset - htab->plt_header_size)
4354 / htab->plt_entry_size);
4356 /* Calculate the offset of the associated .got.plt entry.
4357 The first three entries are reserved. */
4358 got_offset = (rela_index + 3) * 4;
4360 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4361 rela_index, got_offset);
4364 /* On VxWorks, the relocation points to the .got.plt entry,
4365 not the .plt entry. */
4366 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4367 + htab->elf.sgotplt->output_offset
4370 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4375 bfd_boolean ifunc = FALSE;
4377 /* Fill in the entry in the procedure linkage table. */
4378 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4379 h->plt.offset, splt->size,
4384 || ((bfd_link_executable (info)
4385 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4387 && h->type == STT_GNU_IFUNC))
4390 BFD_ASSERT (h == NULL
4391 || (h->type == STT_GNU_IFUNC
4393 && (h->root.type == bfd_link_hash_defined
4394 || h->root.type == bfd_link_hash_defweak)));
4397 rela.r_offset = r_offset
4398 + (splt->output_section->vma + splt->output_offset);
4399 if (ABI_64_P (output_bfd)
4400 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4404 rela.r_addend = (h->root.u.def.section->output_section->vma
4405 + h->root.u.def.section->output_offset
4406 + h->root.u.def.value);
4407 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4412 rela.r_addend = (-(h->plt.offset + 4)
4413 - splt->output_section->vma
4414 - splt->output_offset);
4415 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4423 rela.r_addend = (h->root.u.def.section->output_section->vma
4424 + h->root.u.def.section->output_offset
4425 + h->root.u.def.value);
4426 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4432 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4438 /* Adjust for the first 4 reserved elements in the .plt section
4439 when setting the offset in the .rela.plt section.
4440 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4441 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4443 loc = srela->contents;
4444 loc += rela_index * bed->s->sizeof_rela;
4445 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4447 if (!h->def_regular)
4449 /* Mark the symbol as undefined, rather than as defined in
4450 the .plt section. Leave the value alone. */
4451 sym->st_shndx = SHN_UNDEF;
4452 /* If the symbol is weak, we do need to clear the value.
4453 Otherwise, the PLT entry would provide a definition for
4454 the symbol even if the symbol wasn't defined anywhere,
4455 and so the symbol would never be NULL. */
4456 if (!h->ref_regular_nonweak)
4461 if (h->got.offset != (bfd_vma) -1
4462 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4463 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
4467 Elf_Internal_Rela rela;
4469 /* This symbol has an entry in the GOT. Set it up. */
4471 sgot = htab->elf.sgot;
4472 srela = htab->elf.srelgot;
4473 BFD_ASSERT (sgot != NULL && srela != NULL);
4475 rela.r_offset = (sgot->output_section->vma
4476 + sgot->output_offset
4477 + (h->got.offset &~ (bfd_vma) 1));
4479 /* If this is a -Bsymbolic link, and the symbol is defined
4480 locally, we just want to emit a RELATIVE reloc. Likewise if
4481 the symbol was forced to be local because of a version file.
4482 The entry in the global offset table will already have been
4483 initialized in the relocate_section function. */
4484 if (! bfd_link_pic (info)
4485 && h->type == STT_GNU_IFUNC
4490 /* We load the GOT entry with the PLT entry. */
4491 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4492 SPARC_ELF_PUT_WORD (htab, output_bfd,
4493 (plt->output_section->vma
4494 + plt->output_offset + h->plt.offset),
4495 htab->elf.sgot->contents
4496 + (h->got.offset & ~(bfd_vma) 1));
4499 else if (bfd_link_pic (info)
4500 && SYMBOL_REFERENCES_LOCAL (info, h))
4502 asection *sec = h->root.u.def.section;
4503 if (h->type == STT_GNU_IFUNC)
4504 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4506 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4507 rela.r_addend = (h->root.u.def.value
4508 + sec->output_section->vma
4509 + sec->output_offset);
4513 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4517 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4518 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4519 sparc_elf_append_rela (output_bfd, srela, &rela);
4525 Elf_Internal_Rela rela;
4527 /* This symbols needs a copy reloc. Set it up. */
4528 BFD_ASSERT (h->dynindx != -1);
4530 s = bfd_get_linker_section (h->root.u.def.section->owner,
4532 BFD_ASSERT (s != NULL);
4534 rela.r_offset = (h->root.u.def.value
4535 + h->root.u.def.section->output_section->vma
4536 + h->root.u.def.section->output_offset);
4537 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4539 sparc_elf_append_rela (output_bfd, s, &rela);
4542 /* Mark some specially defined symbols as absolute. On VxWorks,
4543 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4544 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4546 && (h == htab->elf.hdynamic
4547 || (!htab->is_vxworks
4548 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4549 sym->st_shndx = SHN_ABS;
4554 /* Finish up the dynamic sections. */
4557 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4558 bfd *dynobj, asection *sdyn,
4559 asection *splt ATTRIBUTE_UNUSED)
4561 struct _bfd_sparc_elf_link_hash_table *htab;
4562 const struct elf_backend_data *bed;
4563 bfd_byte *dyncon, *dynconend;
4565 int stt_regidx = -1;
4566 bfd_boolean abi_64_p;
4568 htab = _bfd_sparc_elf_hash_table (info);
4569 BFD_ASSERT (htab != NULL);
4570 bed = get_elf_backend_data (output_bfd);
4571 dynsize = bed->s->sizeof_dyn;
4572 dynconend = sdyn->contents + sdyn->size;
4573 abi_64_p = ABI_64_P (output_bfd);
4574 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4576 Elf_Internal_Dyn dyn;
4580 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4582 if (htab->is_vxworks && dyn.d_tag == DT_RELASZ)
4584 /* On VxWorks, DT_RELASZ should not include the relocations
4586 if (htab->elf.srelplt)
4588 dyn.d_un.d_val -= htab->elf.srelplt->size;
4589 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4592 else if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4594 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4595 not to the start of the PLT. */
4596 if (htab->elf.sgotplt)
4598 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4599 + htab->elf.sgotplt->output_offset);
4600 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4603 else if (htab->is_vxworks
4604 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4605 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4606 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4608 if (stt_regidx == -1)
4611 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4612 if (stt_regidx == -1)
4615 dyn.d_un.d_val = stt_regidx++;
4616 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4622 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
4623 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
4624 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
4625 default: name = NULL; size = FALSE; break;
4632 s = bfd_get_linker_section (dynobj, name);
4638 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4640 dyn.d_un.d_val = s->size;
4642 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4649 /* Install the first PLT entry in a VxWorks executable and make sure that
4650 .rela.plt.unloaded relocations have the correct symbol indexes. */
4653 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4655 struct _bfd_sparc_elf_link_hash_table *htab;
4656 Elf_Internal_Rela rela;
4660 htab = _bfd_sparc_elf_hash_table (info);
4661 BFD_ASSERT (htab != NULL);
4663 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4664 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4665 + htab->elf.hgot->root.u.def.section->output_offset
4666 + htab->elf.hgot->root.u.def.value);
4668 /* Install the initial PLT entry. */
4669 bfd_put_32 (output_bfd,
4670 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4671 htab->elf.splt->contents);
4672 bfd_put_32 (output_bfd,
4673 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4674 htab->elf.splt->contents + 4);
4675 bfd_put_32 (output_bfd,
4676 sparc_vxworks_exec_plt0_entry[2],
4677 htab->elf.splt->contents + 8);
4678 bfd_put_32 (output_bfd,
4679 sparc_vxworks_exec_plt0_entry[3],
4680 htab->elf.splt->contents + 12);
4681 bfd_put_32 (output_bfd,
4682 sparc_vxworks_exec_plt0_entry[4],
4683 htab->elf.splt->contents + 16);
4685 loc = htab->srelplt2->contents;
4687 /* Add an unloaded relocation for the initial entry's "sethi". */
4688 rela.r_offset = (htab->elf.splt->output_section->vma
4689 + htab->elf.splt->output_offset);
4690 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4692 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4693 loc += sizeof (Elf32_External_Rela);
4695 /* Likewise the following "or". */
4697 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4698 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4699 loc += sizeof (Elf32_External_Rela);
4701 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4702 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4703 in which symbols were output. */
4704 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4706 Elf_Internal_Rela rel;
4708 /* The entry's initial "sethi" (against _G_O_T_). */
4709 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4710 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4711 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4712 loc += sizeof (Elf32_External_Rela);
4714 /* The following "or" (also against _G_O_T_). */
4715 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4716 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4717 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4718 loc += sizeof (Elf32_External_Rela);
4720 /* The .got.plt entry (against _P_L_T_). */
4721 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4722 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4723 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4724 loc += sizeof (Elf32_External_Rela);
4728 /* Install the first PLT entry in a VxWorks shared object. */
4731 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4733 struct _bfd_sparc_elf_link_hash_table *htab;
4736 htab = _bfd_sparc_elf_hash_table (info);
4737 BFD_ASSERT (htab != NULL);
4739 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4740 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4741 htab->elf.splt->contents + i * 4);
4744 /* Finish up local dynamic symbol handling. We set the contents of
4745 various dynamic sections here. */
4748 finish_local_dynamic_symbol (void **slot, void *inf)
4750 struct elf_link_hash_entry *h
4751 = (struct elf_link_hash_entry *) *slot;
4752 struct bfd_link_info *info
4753 = (struct bfd_link_info *) inf;
4755 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4760 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4764 struct _bfd_sparc_elf_link_hash_table *htab;
4766 htab = _bfd_sparc_elf_hash_table (info);
4767 BFD_ASSERT (htab != NULL);
4768 dynobj = htab->elf.dynobj;
4770 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4772 if (elf_hash_table (info)->dynamic_sections_created)
4776 splt = htab->elf.splt;
4777 BFD_ASSERT (splt != NULL && sdyn != NULL);
4779 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4782 /* Initialize the contents of the .plt section. */
4785 if (htab->is_vxworks)
4787 if (bfd_link_pic (info))
4788 sparc_vxworks_finish_shared_plt (output_bfd, info);
4790 sparc_vxworks_finish_exec_plt (output_bfd, info);
4794 memset (splt->contents, 0, htab->plt_header_size);
4795 if (!ABI_64_P (output_bfd))
4796 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4797 splt->contents + splt->size - 4);
4801 if (elf_section_data (splt->output_section) != NULL)
4802 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4803 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4804 ? 0 : htab->plt_entry_size);
4807 /* Set the first entry in the global offset table to the address of
4808 the dynamic section. */
4809 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4811 bfd_vma val = (sdyn ?
4812 sdyn->output_section->vma + sdyn->output_offset :
4815 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4819 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4820 SPARC_ELF_WORD_BYTES (htab);
4822 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4823 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4829 /* Set the right machine number for a SPARC ELF file. */
4832 _bfd_sparc_elf_object_p (bfd *abfd)
4834 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4835 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4836 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4838 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4839 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
4840 | ELF_SPARC_HWCAP_VIS3
4841 | ELF_SPARC_HWCAP_HPC);
4842 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
4843 | ELF_SPARC_HWCAP_DES
4844 | ELF_SPARC_HWCAP_KASUMI
4845 | ELF_SPARC_HWCAP_CAMELLIA
4846 | ELF_SPARC_HWCAP_MD5
4847 | ELF_SPARC_HWCAP_SHA1
4848 | ELF_SPARC_HWCAP_SHA256
4849 | ELF_SPARC_HWCAP_SHA512
4850 | ELF_SPARC_HWCAP_MPMUL
4851 | ELF_SPARC_HWCAP_MONT
4852 | ELF_SPARC_HWCAP_CRC32C
4853 | ELF_SPARC_HWCAP_CBCOND
4854 | ELF_SPARC_HWCAP_PAUSE);
4855 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
4856 | ELF_SPARC_HWCAP_IMA);
4857 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
4858 | ELF_SPARC_HWCAP2_MWAIT
4859 | ELF_SPARC_HWCAP2_XMPMUL
4860 | ELF_SPARC_HWCAP2_XMONT);
4862 if (ABI_64_P (abfd))
4864 unsigned long mach = bfd_mach_sparc_v9;
4866 if (hwcaps2->i & v9m_hwcaps2_mask)
4867 mach = bfd_mach_sparc_v9m;
4868 else if (hwcaps->i & v9v_hwcaps_mask)
4869 mach = bfd_mach_sparc_v9v;
4870 else if (hwcaps->i & v9e_hwcaps_mask)
4871 mach = bfd_mach_sparc_v9e;
4872 else if (hwcaps->i & v9d_hwcaps_mask)
4873 mach = bfd_mach_sparc_v9d;
4874 else if (hwcaps->i & v9c_hwcaps_mask)
4875 mach = bfd_mach_sparc_v9c;
4876 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4877 mach = bfd_mach_sparc_v9b;
4878 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4879 mach = bfd_mach_sparc_v9a;
4880 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4884 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4886 if (hwcaps2->i & v9m_hwcaps2_mask)
4887 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4888 bfd_mach_sparc_v8plusm);
4889 else if (hwcaps->i & v9v_hwcaps_mask)
4890 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4891 bfd_mach_sparc_v8plusv);
4892 else if (hwcaps->i & v9e_hwcaps_mask)
4893 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4894 bfd_mach_sparc_v8pluse);
4895 else if (hwcaps->i & v9d_hwcaps_mask)
4896 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4897 bfd_mach_sparc_v8plusd);
4898 else if (hwcaps->i & v9c_hwcaps_mask)
4899 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4900 bfd_mach_sparc_v8plusc);
4901 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4902 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4903 bfd_mach_sparc_v8plusb);
4904 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4905 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4906 bfd_mach_sparc_v8plusa);
4907 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4908 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4909 bfd_mach_sparc_v8plus);
4913 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4914 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4915 bfd_mach_sparc_sparclite_le);
4917 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4921 /* Return address for Ith PLT stub in section PLT, for relocation REL
4922 or (bfd_vma) -1 if it should not be included. */
4925 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4927 if (ABI_64_P (plt->owner))
4931 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4932 if (i < PLT64_LARGE_THRESHOLD)
4933 return plt->vma + i * PLT64_ENTRY_SIZE;
4935 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4937 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4940 return rel->address;
4943 /* Merge backend specific data from an object file to the output
4944 object file when linking. */
4947 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
4949 obj_attribute *in_attr, *in_attrs;
4950 obj_attribute *out_attr, *out_attrs;
4952 if (!elf_known_obj_attributes_proc (obfd)[0].i)
4954 /* This is the first object. Copy the attributes. */
4955 _bfd_elf_copy_obj_attributes (ibfd, obfd);
4957 /* Use the Tag_null value to indicate the attributes have been
4959 elf_known_obj_attributes_proc (obfd)[0].i = 1;
4964 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
4965 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
4967 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
4968 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
4970 out_attr->i |= in_attr->i;
4973 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
4974 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
4976 out_attr->i |= in_attr->i;
4980 /* Merge Tag_compatibility attributes and any common GNU ones. */
4981 _bfd_elf_merge_object_attributes (ibfd, obfd);