1 /* SPARC-specific support for ELF
2 Copyright 2005, 2006, 2007, 2008 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"
35 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
36 #define MINUS_ONE (~ (bfd_vma) 0)
38 #define ABI_64_P(abfd) \
39 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
41 /* The relocation "howto" table. */
43 /* Utility for performing the standard initial work of an instruction
45 *PRELOCATION will contain the relocated item.
46 *PINSN will contain the instruction from the input stream.
47 If the result is `bfd_reloc_other' the caller can continue with
48 performing the relocation. Otherwise it must stop and return the
49 value to its caller. */
51 static bfd_reloc_status_type
52 init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
53 PTR data, asection *input_section, bfd *output_bfd,
54 bfd_vma *prelocation, bfd_vma *pinsn)
57 reloc_howto_type *howto = reloc_entry->howto;
59 if (output_bfd != (bfd *) NULL
60 && (symbol->flags & BSF_SECTION_SYM) == 0
61 && (! howto->partial_inplace
62 || reloc_entry->addend == 0))
64 reloc_entry->address += input_section->output_offset;
68 /* This works because partial_inplace is FALSE. */
69 if (output_bfd != NULL)
70 return bfd_reloc_continue;
72 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
73 return bfd_reloc_outofrange;
75 relocation = (symbol->value
76 + symbol->section->output_section->vma
77 + symbol->section->output_offset);
78 relocation += reloc_entry->addend;
79 if (howto->pc_relative)
81 relocation -= (input_section->output_section->vma
82 + input_section->output_offset);
83 relocation -= reloc_entry->address;
86 *prelocation = relocation;
87 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
88 return bfd_reloc_other;
91 /* For unsupported relocs. */
93 static bfd_reloc_status_type
94 sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
95 arelent *reloc_entry ATTRIBUTE_UNUSED,
96 asymbol *symbol ATTRIBUTE_UNUSED,
97 PTR data ATTRIBUTE_UNUSED,
98 asection *input_section ATTRIBUTE_UNUSED,
99 bfd *output_bfd ATTRIBUTE_UNUSED,
100 char **error_message ATTRIBUTE_UNUSED)
102 return bfd_reloc_notsupported;
105 /* Handle the WDISP16 reloc. */
107 static bfd_reloc_status_type
108 sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
109 PTR data, asection *input_section, bfd *output_bfd,
110 char **error_message ATTRIBUTE_UNUSED)
114 bfd_reloc_status_type status;
116 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
117 input_section, output_bfd, &relocation, &insn);
118 if (status != bfd_reloc_other)
121 insn &= ~ (bfd_vma) 0x303fff;
122 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
123 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
125 if ((bfd_signed_vma) relocation < - 0x40000
126 || (bfd_signed_vma) relocation > 0x3ffff)
127 return bfd_reloc_overflow;
132 /* Handle the HIX22 reloc. */
134 static bfd_reloc_status_type
135 sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
136 PTR data, asection *input_section, bfd *output_bfd,
137 char **error_message ATTRIBUTE_UNUSED)
141 bfd_reloc_status_type status;
143 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
144 input_section, output_bfd, &relocation, &insn);
145 if (status != bfd_reloc_other)
148 relocation ^= MINUS_ONE;
149 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
150 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
152 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
153 return bfd_reloc_overflow;
158 /* Handle the LOX10 reloc. */
160 static bfd_reloc_status_type
161 sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
162 PTR data, asection *input_section, bfd *output_bfd,
163 char **error_message ATTRIBUTE_UNUSED)
167 bfd_reloc_status_type status;
169 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
170 input_section, output_bfd, &relocation, &insn);
171 if (status != bfd_reloc_other)
174 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
175 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
180 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
182 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
183 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
184 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
185 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
186 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
187 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
188 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
189 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
190 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
191 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
192 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
193 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
194 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
195 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
196 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
197 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
198 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
199 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
200 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
201 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
202 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),
203 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),
204 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
205 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
206 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
207 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
208 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
209 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
210 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
211 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
212 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
213 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
214 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
215 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
216 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
217 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
218 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
219 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),
220 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),
221 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),
222 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
223 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
224 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),
225 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
226 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
227 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
228 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
229 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
230 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
231 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
232 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
233 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
234 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
235 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
236 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
237 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
238 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),
239 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),
240 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),
241 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),
242 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),
243 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),
244 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),
245 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),
246 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),
247 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),
248 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),
249 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),
250 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),
251 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),
252 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),
253 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),
254 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),
255 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),
256 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),
257 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),
258 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),
259 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),
260 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),
261 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),
262 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),
263 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),
264 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),
265 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),
266 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),
268 static reloc_howto_type sparc_vtinherit_howto =
269 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
270 static reloc_howto_type sparc_vtentry_howto =
271 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);
272 static reloc_howto_type sparc_rev32_howto =
273 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
275 struct elf_reloc_map {
276 bfd_reloc_code_real_type bfd_reloc_val;
277 unsigned char elf_reloc_val;
280 static const struct elf_reloc_map sparc_reloc_map[] =
282 { BFD_RELOC_NONE, R_SPARC_NONE, },
283 { BFD_RELOC_16, R_SPARC_16, },
284 { BFD_RELOC_16_PCREL, R_SPARC_DISP16 },
285 { BFD_RELOC_8, R_SPARC_8 },
286 { BFD_RELOC_8_PCREL, R_SPARC_DISP8 },
287 { BFD_RELOC_CTOR, R_SPARC_64 },
288 { BFD_RELOC_32, R_SPARC_32 },
289 { BFD_RELOC_32_PCREL, R_SPARC_DISP32 },
290 { BFD_RELOC_HI22, R_SPARC_HI22 },
291 { BFD_RELOC_LO10, R_SPARC_LO10, },
292 { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 },
293 { BFD_RELOC_64_PCREL, R_SPARC_DISP64 },
294 { BFD_RELOC_SPARC22, R_SPARC_22 },
295 { BFD_RELOC_SPARC13, R_SPARC_13 },
296 { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 },
297 { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 },
298 { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 },
299 { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 },
300 { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 },
301 { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 },
302 { BFD_RELOC_SPARC_COPY, R_SPARC_COPY },
303 { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT },
304 { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
305 { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
306 { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
307 { BFD_RELOC_SPARC_UA16, R_SPARC_UA16 },
308 { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 },
309 { BFD_RELOC_SPARC_UA64, R_SPARC_UA64 },
310 { BFD_RELOC_SPARC_10, R_SPARC_10 },
311 { BFD_RELOC_SPARC_11, R_SPARC_11 },
312 { BFD_RELOC_SPARC_64, R_SPARC_64 },
313 { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 },
314 { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 },
315 { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 },
316 { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 },
317 { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 },
318 { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 },
319 { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 },
320 { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 },
321 { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 },
322 { BFD_RELOC_SPARC_7, R_SPARC_7 },
323 { BFD_RELOC_SPARC_5, R_SPARC_5 },
324 { BFD_RELOC_SPARC_6, R_SPARC_6 },
325 { BFD_RELOC_SPARC_DISP64, R_SPARC_DISP64 },
326 { BFD_RELOC_SPARC_TLS_GD_HI22, R_SPARC_TLS_GD_HI22 },
327 { BFD_RELOC_SPARC_TLS_GD_LO10, R_SPARC_TLS_GD_LO10 },
328 { BFD_RELOC_SPARC_TLS_GD_ADD, R_SPARC_TLS_GD_ADD },
329 { BFD_RELOC_SPARC_TLS_GD_CALL, R_SPARC_TLS_GD_CALL },
330 { BFD_RELOC_SPARC_TLS_LDM_HI22, R_SPARC_TLS_LDM_HI22 },
331 { BFD_RELOC_SPARC_TLS_LDM_LO10, R_SPARC_TLS_LDM_LO10 },
332 { BFD_RELOC_SPARC_TLS_LDM_ADD, R_SPARC_TLS_LDM_ADD },
333 { BFD_RELOC_SPARC_TLS_LDM_CALL, R_SPARC_TLS_LDM_CALL },
334 { BFD_RELOC_SPARC_TLS_LDO_HIX22, R_SPARC_TLS_LDO_HIX22 },
335 { BFD_RELOC_SPARC_TLS_LDO_LOX10, R_SPARC_TLS_LDO_LOX10 },
336 { BFD_RELOC_SPARC_TLS_LDO_ADD, R_SPARC_TLS_LDO_ADD },
337 { BFD_RELOC_SPARC_TLS_IE_HI22, R_SPARC_TLS_IE_HI22 },
338 { BFD_RELOC_SPARC_TLS_IE_LO10, R_SPARC_TLS_IE_LO10 },
339 { BFD_RELOC_SPARC_TLS_IE_LD, R_SPARC_TLS_IE_LD },
340 { BFD_RELOC_SPARC_TLS_IE_LDX, R_SPARC_TLS_IE_LDX },
341 { BFD_RELOC_SPARC_TLS_IE_ADD, R_SPARC_TLS_IE_ADD },
342 { BFD_RELOC_SPARC_TLS_LE_HIX22, R_SPARC_TLS_LE_HIX22 },
343 { BFD_RELOC_SPARC_TLS_LE_LOX10, R_SPARC_TLS_LE_LOX10 },
344 { BFD_RELOC_SPARC_TLS_DTPMOD32, R_SPARC_TLS_DTPMOD32 },
345 { BFD_RELOC_SPARC_TLS_DTPMOD64, R_SPARC_TLS_DTPMOD64 },
346 { BFD_RELOC_SPARC_TLS_DTPOFF32, R_SPARC_TLS_DTPOFF32 },
347 { BFD_RELOC_SPARC_TLS_DTPOFF64, R_SPARC_TLS_DTPOFF64 },
348 { BFD_RELOC_SPARC_TLS_TPOFF32, R_SPARC_TLS_TPOFF32 },
349 { BFD_RELOC_SPARC_TLS_TPOFF64, R_SPARC_TLS_TPOFF64 },
350 { BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 },
351 { BFD_RELOC_SPARC_PLT64, R_SPARC_PLT64 },
352 { BFD_RELOC_SPARC_HIX22, R_SPARC_HIX22 },
353 { BFD_RELOC_SPARC_LOX10, R_SPARC_LOX10 },
354 { BFD_RELOC_SPARC_H44, R_SPARC_H44 },
355 { BFD_RELOC_SPARC_M44, R_SPARC_M44 },
356 { BFD_RELOC_SPARC_L44, R_SPARC_L44 },
357 { BFD_RELOC_SPARC_GOTDATA_HIX22, R_SPARC_GOTDATA_HIX22 },
358 { BFD_RELOC_SPARC_GOTDATA_LOX10, R_SPARC_GOTDATA_LOX10 },
359 { BFD_RELOC_SPARC_GOTDATA_OP_HIX22, R_SPARC_GOTDATA_OP_HIX22 },
360 { BFD_RELOC_SPARC_GOTDATA_OP_LOX10, R_SPARC_GOTDATA_OP_LOX10 },
361 { BFD_RELOC_SPARC_GOTDATA_OP, R_SPARC_GOTDATA_OP },
362 { BFD_RELOC_SPARC_REGISTER, R_SPARC_REGISTER },
363 { BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT },
364 { BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY },
365 { BFD_RELOC_SPARC_REV32, R_SPARC_REV32 },
369 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
370 bfd_reloc_code_real_type code)
376 case BFD_RELOC_VTABLE_INHERIT:
377 return &sparc_vtinherit_howto;
379 case BFD_RELOC_VTABLE_ENTRY:
380 return &sparc_vtentry_howto;
382 case BFD_RELOC_SPARC_REV32:
383 return &sparc_rev32_howto;
387 i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map);
390 if (sparc_reloc_map[i].bfd_reloc_val == code)
391 return (_bfd_sparc_elf_howto_table
392 + (int) sparc_reloc_map[i].elf_reloc_val);
395 bfd_set_error (bfd_error_bad_value);
400 _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
406 i < (sizeof (_bfd_sparc_elf_howto_table)
407 / sizeof (_bfd_sparc_elf_howto_table[0]));
409 if (_bfd_sparc_elf_howto_table[i].name != NULL
410 && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
411 return &_bfd_sparc_elf_howto_table[i];
413 if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
414 return &sparc_vtinherit_howto;
415 if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
416 return &sparc_vtentry_howto;
417 if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
418 return &sparc_rev32_howto;
424 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type)
428 case R_SPARC_GNU_VTINHERIT:
429 return &sparc_vtinherit_howto;
431 case R_SPARC_GNU_VTENTRY:
432 return &sparc_vtentry_howto;
435 return &sparc_rev32_howto;
438 if (r_type >= (unsigned int) R_SPARC_max_std)
440 (*_bfd_error_handler) (_("invalid relocation type %d"),
442 r_type = R_SPARC_NONE;
444 return &_bfd_sparc_elf_howto_table[r_type];
448 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
449 so just take advantage of that. */
450 #define SPARC_ELF_R_TYPE(r_info) \
454 _bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
455 Elf_Internal_Rela *dst)
457 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
459 cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type);
463 /* The nop opcode we use. */
464 #define SPARC_NOP 0x01000000
466 #define SPARC_INSN_BYTES 4
468 /* The SPARC linker needs to keep track of the number of relocs that it
469 decides to copy as dynamic relocs in check_relocs for each symbol.
470 This is so that it can later discard them if they are found to be
471 unnecessary. We store the information in a field extending the
472 regular ELF linker hash table. */
474 struct _bfd_sparc_elf_dyn_relocs
476 struct _bfd_sparc_elf_dyn_relocs *next;
478 /* The input section of the reloc. */
481 /* Total number of relocs copied for the input section. */
484 /* Number of pc-relative relocs copied for the input section. */
485 bfd_size_type pc_count;
488 /* SPARC ELF linker hash entry. */
490 struct _bfd_sparc_elf_link_hash_entry
492 struct elf_link_hash_entry elf;
494 /* Track dynamic relocs copied for this symbol. */
495 struct _bfd_sparc_elf_dyn_relocs *dyn_relocs;
497 #define GOT_UNKNOWN 0
501 unsigned char tls_type;
504 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
506 struct _bfd_sparc_elf_obj_tdata
508 struct elf_obj_tdata root;
510 /* tls_type for each local got entry. */
511 char *local_got_tls_type;
513 /* TRUE if TLS GD relocs has been seen for this object. */
514 bfd_boolean has_tlsgd;
517 #define _bfd_sparc_elf_tdata(abfd) \
518 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
520 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
521 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
523 #define is_sparc_elf(bfd) \
524 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
525 && elf_tdata (bfd) != NULL \
526 && elf_object_id (bfd) == SPARC_ELF_TDATA)
529 _bfd_sparc_elf_mkobject (bfd *abfd)
531 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
536 sparc_put_word_32 (bfd *bfd, bfd_vma val, void *ptr)
538 bfd_put_32 (bfd, val, ptr);
542 sparc_put_word_64 (bfd *bfd, bfd_vma val, void *ptr)
544 bfd_put_64 (bfd, val, ptr);
548 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
550 const struct elf_backend_data *bed;
553 bed = get_elf_backend_data (abfd);
554 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
555 bed->s->swap_reloca_out (abfd, rel, loc);
559 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
560 bfd_vma index ATTRIBUTE_UNUSED,
561 bfd_vma type ATTRIBUTE_UNUSED)
563 return ELF64_R_INFO (index,
565 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
570 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
571 bfd_vma index, bfd_vma type)
573 return ELF32_R_INFO (index, type);
577 sparc_elf_r_symndx_64 (bfd_vma r_info)
579 bfd_vma r_symndx = ELF32_R_SYM (r_info);
580 return (r_symndx >> 24);
584 sparc_elf_r_symndx_32 (bfd_vma r_info)
586 return ELF32_R_SYM (r_info);
591 #define PLT32_ENTRY_SIZE 12
592 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
594 /* The first four entries in a 32-bit procedure linkage table are reserved,
595 and the initial contents are unimportant (we zero them out).
596 Subsequent entries look like this. See the SVR4 ABI SPARC
597 supplement to see how this works. */
599 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
600 #define PLT32_ENTRY_WORD0 0x03000000
601 /* b,a .plt0. We fill in the offset later. */
602 #define PLT32_ENTRY_WORD1 0x30800000
604 #define PLT32_ENTRY_WORD2 SPARC_NOP
607 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
608 bfd_vma max ATTRIBUTE_UNUSED,
611 bfd_put_32 (output_bfd,
612 PLT32_ENTRY_WORD0 + offset,
613 splt->contents + offset);
614 bfd_put_32 (output_bfd,
616 + (((- (offset + 4)) >> 2) & 0x3fffff)),
617 splt->contents + offset + 4);
618 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
619 splt->contents + offset + 8);
623 return offset / PLT32_ENTRY_SIZE - 4;
626 /* Both the headers and the entries are icache aligned. */
627 #define PLT64_ENTRY_SIZE 32
628 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
629 #define PLT64_LARGE_THRESHOLD 32768
632 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
633 bfd_vma max, bfd_vma *r_offset)
635 unsigned char *entry = splt->contents + offset;
636 const unsigned int nop = SPARC_NOP;
639 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
641 unsigned int sethi, ba;
645 index = (offset / PLT64_ENTRY_SIZE);
647 sethi = 0x03000000 | (index * PLT64_ENTRY_SIZE);
649 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
651 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
652 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
653 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
654 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
655 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
656 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
657 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
658 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
664 int block, last_block, ofs, last_ofs, chunks_this_block;
665 const int insn_chunk_size = (6 * 4);
666 const int ptr_chunk_size = (1 * 8);
667 const int entries_per_block = 160;
668 const int block_size = entries_per_block * (insn_chunk_size
671 /* Entries 32768 and higher are grouped into blocks of 160.
672 The blocks are further subdivided into 160 sequences of
673 6 instructions and 160 pointers. If a block does not require
674 the full 160 entries, let's say it requires N, then there
675 will be N sequences of 6 instructions and N pointers. */
677 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
678 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
680 block = offset / block_size;
681 last_block = max / block_size;
682 if (block != last_block)
684 chunks_this_block = 160;
688 last_ofs = max % block_size;
689 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
692 ofs = offset % block_size;
694 index = (PLT64_LARGE_THRESHOLD +
696 (ofs / insn_chunk_size));
699 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
700 + (block * block_size)
701 + (chunks_this_block * insn_chunk_size)
702 + (ofs / insn_chunk_size) * ptr_chunk_size;
704 *r_offset = (bfd_vma) (ptr - splt->contents);
706 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
714 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
715 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
716 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
717 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
718 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
719 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
721 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
727 /* The format of the first PLT entry in a VxWorks executable. */
728 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
730 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
731 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
732 0xc4008000, /* ld [ %g2 ], %g2 */
733 0x81c08000, /* jmp %g2 */
737 /* The format of subsequent PLT entries. */
738 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
740 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
741 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
742 0xc2004000, /* ld [ %g1 ], %g1 */
743 0x81c04000, /* jmp %g1 */
744 0x01000000, /* nop */
745 0x03000000, /* sethi %hi(f@pltindex), %g1 */
746 0x10800000, /* b _PLT_resolve */
747 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
750 /* The format of the first PLT entry in a VxWorks shared object. */
751 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
753 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
754 0x81c08000, /* jmp %g2 */
758 /* The format of subsequent PLT entries. */
759 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
761 0x03000000, /* sethi %hi(f@got), %g1 */
762 0x82106000, /* or %g1, %lo(f@got), %g1 */
763 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
764 0x81c04000, /* jmp %g1 */
765 0x01000000, /* nop */
766 0x03000000, /* sethi %hi(f@pltindex), %g1 */
767 0x10800000, /* b _PLT_resolve */
768 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
771 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
772 htab->put_word(bfd, val, ptr)
774 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
775 htab->r_info(in_rel, index, type)
777 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
778 htab->r_symndx(r_info)
780 #define SPARC_ELF_WORD_BYTES(htab) \
783 #define SPARC_ELF_RELA_BYTES(htab) \
786 #define SPARC_ELF_DTPOFF_RELOC(htab) \
789 #define SPARC_ELF_DTPMOD_RELOC(htab) \
792 #define SPARC_ELF_TPOFF_RELOC(htab) \
795 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
796 htab->build_plt_entry (obfd, splt, off, max, r_off)
798 /* Create an entry in an SPARC ELF linker hash table. */
800 static struct bfd_hash_entry *
801 link_hash_newfunc (struct bfd_hash_entry *entry,
802 struct bfd_hash_table *table, const char *string)
804 /* Allocate the structure if it has not already been allocated by a
808 entry = bfd_hash_allocate (table,
809 sizeof (struct _bfd_sparc_elf_link_hash_entry));
814 /* Call the allocation method of the superclass. */
815 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
818 struct _bfd_sparc_elf_link_hash_entry *eh;
820 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
821 eh->dyn_relocs = NULL;
822 eh->tls_type = GOT_UNKNOWN;
828 /* The name of the dynamic interpreter. This is put in the .interp
831 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
832 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
834 /* Create a SPARC ELF linker hash table. */
836 struct bfd_link_hash_table *
837 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
839 struct _bfd_sparc_elf_link_hash_table *ret;
840 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
842 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
848 ret->put_word = sparc_put_word_64;
849 ret->r_info = sparc_elf_r_info_64;
850 ret->r_symndx = sparc_elf_r_symndx_64;
851 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
852 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
853 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
854 ret->word_align_power = 3;
855 ret->align_power_max = 4;
856 ret->bytes_per_word = 8;
857 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
858 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
859 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
863 ret->put_word = sparc_put_word_32;
864 ret->r_info = sparc_elf_r_info_32;
865 ret->r_symndx = sparc_elf_r_symndx_32;
866 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
867 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
868 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
869 ret->word_align_power = 2;
870 ret->align_power_max = 3;
871 ret->bytes_per_word = 4;
872 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
873 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
874 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
877 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
878 sizeof (struct _bfd_sparc_elf_link_hash_entry)))
884 return &ret->elf.root;
887 /* Create .got and .rela.got sections in DYNOBJ, and set up
888 shortcuts to them in our hash table. */
891 create_got_section (bfd *dynobj, struct bfd_link_info *info)
893 struct _bfd_sparc_elf_link_hash_table *htab;
895 if (! _bfd_elf_create_got_section (dynobj, info))
898 htab = _bfd_sparc_elf_hash_table (info);
899 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
900 BFD_ASSERT (htab->sgot != NULL);
902 htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
903 if (htab->srelgot == NULL
904 || ! bfd_set_section_alignment (dynobj, htab->srelgot,
905 htab->word_align_power))
908 if (htab->is_vxworks)
910 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
918 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
919 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
923 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
924 struct bfd_link_info *info)
926 struct _bfd_sparc_elf_link_hash_table *htab;
928 htab = _bfd_sparc_elf_hash_table (info);
929 if (!htab->sgot && !create_got_section (dynobj, info))
932 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
935 htab->splt = bfd_get_section_by_name (dynobj, ".plt");
936 htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt");
937 htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
939 htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
941 if (htab->is_vxworks)
943 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
947 htab->plt_header_size
948 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
950 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
954 htab->plt_header_size
955 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
957 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
962 if (ABI_64_P (dynobj))
964 htab->build_plt_entry = sparc64_plt_entry_build;
965 htab->plt_header_size = PLT64_HEADER_SIZE;
966 htab->plt_entry_size = PLT64_ENTRY_SIZE;
970 htab->build_plt_entry = sparc32_plt_entry_build;
971 htab->plt_header_size = PLT32_HEADER_SIZE;
972 htab->plt_entry_size = PLT32_ENTRY_SIZE;
976 if (!htab->splt || !htab->srelplt || !htab->sdynbss
977 || (!info->shared && !htab->srelbss))
983 /* Copy the extra info we tack onto an elf_link_hash_entry. */
986 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
987 struct elf_link_hash_entry *dir,
988 struct elf_link_hash_entry *ind)
990 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
992 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
993 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
995 if (eind->dyn_relocs != NULL)
997 if (edir->dyn_relocs != NULL)
999 struct _bfd_sparc_elf_dyn_relocs **pp;
1000 struct _bfd_sparc_elf_dyn_relocs *p;
1002 /* Add reloc counts against the indirect sym to the direct sym
1003 list. Merge any entries against the same section. */
1004 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1006 struct _bfd_sparc_elf_dyn_relocs *q;
1008 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1009 if (q->sec == p->sec)
1011 q->pc_count += p->pc_count;
1012 q->count += p->count;
1019 *pp = edir->dyn_relocs;
1022 edir->dyn_relocs = eind->dyn_relocs;
1023 eind->dyn_relocs = NULL;
1026 if (ind->root.type == bfd_link_hash_indirect
1027 && dir->got.refcount <= 0)
1029 edir->tls_type = eind->tls_type;
1030 eind->tls_type = GOT_UNKNOWN;
1032 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1036 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1037 int r_type, int is_local)
1039 if (! ABI_64_P (abfd)
1040 && r_type == R_SPARC_TLS_GD_HI22
1041 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1042 r_type = R_SPARC_REV32;
1049 case R_SPARC_TLS_GD_HI22:
1051 return R_SPARC_TLS_LE_HIX22;
1052 return R_SPARC_TLS_IE_HI22;
1053 case R_SPARC_TLS_GD_LO10:
1055 return R_SPARC_TLS_LE_LOX10;
1056 return R_SPARC_TLS_IE_LO10;
1057 case R_SPARC_TLS_IE_HI22:
1059 return R_SPARC_TLS_LE_HIX22;
1061 case R_SPARC_TLS_IE_LO10:
1063 return R_SPARC_TLS_LE_LOX10;
1065 case R_SPARC_TLS_LDM_HI22:
1066 return R_SPARC_TLS_LE_HIX22;
1067 case R_SPARC_TLS_LDM_LO10:
1068 return R_SPARC_TLS_LE_LOX10;
1074 /* Look through the relocs for a section during the first phase, and
1075 allocate space in the global offset table or procedure linkage
1079 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1080 asection *sec, const Elf_Internal_Rela *relocs)
1082 struct _bfd_sparc_elf_link_hash_table *htab;
1083 Elf_Internal_Shdr *symtab_hdr;
1084 struct elf_link_hash_entry **sym_hashes;
1085 bfd_vma *local_got_offsets;
1086 const Elf_Internal_Rela *rel;
1087 const Elf_Internal_Rela *rel_end;
1090 bfd_boolean checked_tlsgd = FALSE;
1092 if (info->relocatable)
1095 htab = _bfd_sparc_elf_hash_table (info);
1096 symtab_hdr = &elf_symtab_hdr (abfd);
1097 sym_hashes = elf_sym_hashes (abfd);
1098 local_got_offsets = elf_local_got_offsets (abfd);
1102 if (ABI_64_P (abfd))
1103 num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (sec)->rel_hdr);
1105 num_relocs = sec->reloc_count;
1107 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1109 rel_end = relocs + num_relocs;
1110 for (rel = relocs; rel < rel_end; rel++)
1112 unsigned int r_type;
1113 unsigned long r_symndx;
1114 struct elf_link_hash_entry *h;
1116 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1117 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1119 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1121 (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
1126 if (r_symndx < symtab_hdr->sh_info)
1130 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1131 while (h->root.type == bfd_link_hash_indirect
1132 || h->root.type == bfd_link_hash_warning)
1133 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1136 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1137 with R_SPARC_TLS_GD_HI22. */
1138 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1141 case R_SPARC_TLS_GD_HI22:
1143 const Elf_Internal_Rela *relt;
1145 for (relt = rel + 1; relt < rel_end; relt++)
1146 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1147 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1148 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1150 checked_tlsgd = TRUE;
1151 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1154 case R_SPARC_TLS_GD_LO10:
1155 case R_SPARC_TLS_GD_ADD:
1156 case R_SPARC_TLS_GD_CALL:
1157 checked_tlsgd = TRUE;
1158 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1162 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1165 case R_SPARC_TLS_LDM_HI22:
1166 case R_SPARC_TLS_LDM_LO10:
1167 htab->tls_ldm_got.refcount += 1;
1170 case R_SPARC_TLS_LE_HIX22:
1171 case R_SPARC_TLS_LE_LOX10:
1176 case R_SPARC_TLS_IE_HI22:
1177 case R_SPARC_TLS_IE_LO10:
1179 info->flags |= DF_STATIC_TLS;
1185 case R_SPARC_GOTDATA_HIX22:
1186 case R_SPARC_GOTDATA_LOX10:
1187 case R_SPARC_GOTDATA_OP_HIX22:
1188 case R_SPARC_GOTDATA_OP_LOX10:
1189 case R_SPARC_TLS_GD_HI22:
1190 case R_SPARC_TLS_GD_LO10:
1191 /* This symbol requires a global offset table entry. */
1193 int tls_type, old_tls_type;
1201 case R_SPARC_GOTDATA_HIX22:
1202 case R_SPARC_GOTDATA_LOX10:
1203 case R_SPARC_GOTDATA_OP_HIX22:
1204 case R_SPARC_GOTDATA_OP_LOX10:
1205 tls_type = GOT_NORMAL;
1207 case R_SPARC_TLS_GD_HI22:
1208 case R_SPARC_TLS_GD_LO10:
1209 tls_type = GOT_TLS_GD;
1211 case R_SPARC_TLS_IE_HI22:
1212 case R_SPARC_TLS_IE_LO10:
1213 tls_type = GOT_TLS_IE;
1219 h->got.refcount += 1;
1220 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1224 bfd_signed_vma *local_got_refcounts;
1226 /* This is a global offset table entry for a local symbol. */
1227 local_got_refcounts = elf_local_got_refcounts (abfd);
1228 if (local_got_refcounts == NULL)
1232 size = symtab_hdr->sh_info;
1233 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1234 local_got_refcounts = ((bfd_signed_vma *)
1235 bfd_zalloc (abfd, size));
1236 if (local_got_refcounts == NULL)
1238 elf_local_got_refcounts (abfd) = local_got_refcounts;
1239 _bfd_sparc_elf_local_got_tls_type (abfd)
1240 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1242 local_got_refcounts[r_symndx] += 1;
1243 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1246 /* If a TLS symbol is accessed using IE at least once,
1247 there is no point to use dynamic model for it. */
1248 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1249 && (old_tls_type != GOT_TLS_GD
1250 || tls_type != GOT_TLS_IE))
1252 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1253 tls_type = old_tls_type;
1256 (*_bfd_error_handler)
1257 (_("%B: `%s' accessed both as normal and thread local symbol"),
1258 abfd, h ? h->root.root.string : "<local>");
1263 if (old_tls_type != tls_type)
1266 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1268 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1272 if (htab->sgot == NULL)
1274 if (htab->elf.dynobj == NULL)
1275 htab->elf.dynobj = abfd;
1276 if (!create_got_section (htab->elf.dynobj, info))
1281 case R_SPARC_TLS_GD_CALL:
1282 case R_SPARC_TLS_LDM_CALL:
1285 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1287 struct bfd_link_hash_entry *bh = NULL;
1288 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1289 "__tls_get_addr", 0,
1290 bfd_und_section_ptr, 0,
1294 h = (struct elf_link_hash_entry *) bh;
1301 case R_SPARC_WPLT30:
1302 case R_SPARC_HIPLT22:
1303 case R_SPARC_LOPLT10:
1304 case R_SPARC_PCPLT32:
1305 case R_SPARC_PCPLT22:
1306 case R_SPARC_PCPLT10:
1308 /* This symbol requires a procedure linkage table entry. We
1309 actually build the entry in adjust_dynamic_symbol,
1310 because this might be a case of linking PIC code without
1311 linking in any dynamic objects, in which case we don't
1312 need to generate a procedure linkage table after all. */
1316 if (! ABI_64_P (abfd))
1318 /* The Solaris native assembler will generate a WPLT30
1319 reloc for a local symbol if you assemble a call from
1320 one section to another when using -K pic. We treat
1322 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1326 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1327 else if (r_type == R_SPARC_WPLT30)
1330 /* It does not make sense to have a procedure linkage
1331 table entry for a local symbol. */
1332 bfd_set_error (bfd_error_bad_value);
1341 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1342 if (this_r_type == R_SPARC_PLT32
1343 || this_r_type == R_SPARC_PLT64)
1346 h->plt.refcount += 1;
1351 case R_SPARC_PC_HH22:
1352 case R_SPARC_PC_HM10:
1353 case R_SPARC_PC_LM22:
1358 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1363 case R_SPARC_DISP16:
1364 case R_SPARC_DISP32:
1365 case R_SPARC_DISP64:
1366 case R_SPARC_WDISP30:
1367 case R_SPARC_WDISP22:
1368 case R_SPARC_WDISP19:
1369 case R_SPARC_WDISP16:
1399 if (h != NULL && !info->shared)
1401 /* We may need a .plt entry if the function this reloc
1402 refers to is in a shared lib. */
1403 h->plt.refcount += 1;
1406 /* If we are creating a shared library, and this is a reloc
1407 against a global symbol, or a non PC relative reloc
1408 against a local symbol, then we need to copy the reloc
1409 into the shared library. However, if we are linking with
1410 -Bsymbolic, we do not need to copy a reloc against a
1411 global symbol which is defined in an object we are
1412 including in the link (i.e., DEF_REGULAR is set). At
1413 this point we have not seen all the input files, so it is
1414 possible that DEF_REGULAR is not set now but will be set
1415 later (it is never cleared). In case of a weak definition,
1416 DEF_REGULAR may be cleared later by a strong definition in
1417 a shared library. We account for that possibility below by
1418 storing information in the relocs_copied field of the hash
1419 table entry. A similar situation occurs when creating
1420 shared libraries and symbol visibility changes render the
1423 If on the other hand, we are creating an executable, we
1424 may need to keep relocations for symbols satisfied by a
1425 dynamic library if we manage to avoid copy relocs for the
1428 && (sec->flags & SEC_ALLOC) != 0
1429 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1431 && (! info->symbolic
1432 || h->root.type == bfd_link_hash_defweak
1433 || !h->def_regular))))
1435 && (sec->flags & SEC_ALLOC) != 0
1437 && (h->root.type == bfd_link_hash_defweak
1438 || !h->def_regular)))
1440 struct _bfd_sparc_elf_dyn_relocs *p;
1441 struct _bfd_sparc_elf_dyn_relocs **head;
1443 /* When creating a shared object, we must copy these
1444 relocs into the output file. We create a reloc
1445 section in dynobj and make room for the reloc. */
1448 if (htab->elf.dynobj == NULL)
1449 htab->elf.dynobj = abfd;
1451 sreloc = _bfd_elf_make_dynamic_reloc_section
1452 (sec, htab->elf.dynobj, htab->word_align_power,
1453 abfd, /*rela?*/ TRUE);
1459 /* If this is a global symbol, we count the number of
1460 relocations we need for this symbol. */
1462 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1465 /* Track dynamic relocs needed for local syms too.
1466 We really need local syms available to do this
1470 Elf_Internal_Sym *isym;
1472 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1477 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1481 vpp = &elf_section_data (s)->local_dynrel;
1482 head = (struct _bfd_sparc_elf_dyn_relocs **) vpp;
1486 if (p == NULL || p->sec != sec)
1488 bfd_size_type amt = sizeof *p;
1489 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1490 bfd_alloc (htab->elf.dynobj, amt));
1501 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1507 case R_SPARC_GNU_VTINHERIT:
1508 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1512 case R_SPARC_GNU_VTENTRY:
1513 BFD_ASSERT (h != NULL);
1515 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1519 case R_SPARC_REGISTER:
1520 /* Nothing to do. */
1532 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1533 struct bfd_link_info *info,
1534 Elf_Internal_Rela *rel,
1535 struct elf_link_hash_entry *h,
1536 Elf_Internal_Sym *sym)
1539 switch (SPARC_ELF_R_TYPE (rel->r_info))
1541 case R_SPARC_GNU_VTINHERIT:
1542 case R_SPARC_GNU_VTENTRY:
1546 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1549 /* Update the got entry reference counts for the section being removed. */
1551 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1552 asection *sec, const Elf_Internal_Rela *relocs)
1554 struct _bfd_sparc_elf_link_hash_table *htab;
1555 Elf_Internal_Shdr *symtab_hdr;
1556 struct elf_link_hash_entry **sym_hashes;
1557 bfd_signed_vma *local_got_refcounts;
1558 const Elf_Internal_Rela *rel, *relend;
1560 if (info->relocatable)
1563 BFD_ASSERT (is_sparc_elf (abfd) || sec->reloc_count == 0);
1565 elf_section_data (sec)->local_dynrel = NULL;
1567 htab = _bfd_sparc_elf_hash_table (info);
1568 symtab_hdr = &elf_symtab_hdr (abfd);
1569 sym_hashes = elf_sym_hashes (abfd);
1570 local_got_refcounts = elf_local_got_refcounts (abfd);
1572 relend = relocs + sec->reloc_count;
1573 for (rel = relocs; rel < relend; rel++)
1575 unsigned long r_symndx;
1576 unsigned int r_type;
1577 struct elf_link_hash_entry *h = NULL;
1579 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1580 if (r_symndx >= symtab_hdr->sh_info)
1582 struct _bfd_sparc_elf_link_hash_entry *eh;
1583 struct _bfd_sparc_elf_dyn_relocs **pp;
1584 struct _bfd_sparc_elf_dyn_relocs *p;
1586 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1587 while (h->root.type == bfd_link_hash_indirect
1588 || h->root.type == bfd_link_hash_warning)
1589 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1590 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1591 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1594 /* Everything must go for SEC. */
1600 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1601 r_type = sparc_elf_tls_transition (info, abfd, r_type, h != NULL);
1604 case R_SPARC_TLS_LDM_HI22:
1605 case R_SPARC_TLS_LDM_LO10:
1606 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
1607 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
1610 case R_SPARC_TLS_GD_HI22:
1611 case R_SPARC_TLS_GD_LO10:
1612 case R_SPARC_TLS_IE_HI22:
1613 case R_SPARC_TLS_IE_LO10:
1617 case R_SPARC_GOTDATA_HIX22:
1618 case R_SPARC_GOTDATA_LOX10:
1619 case R_SPARC_GOTDATA_OP_HIX22:
1620 case R_SPARC_GOTDATA_OP_LOX10:
1623 if (h->got.refcount > 0)
1628 if (local_got_refcounts[r_symndx] > 0)
1629 local_got_refcounts[r_symndx]--;
1635 case R_SPARC_PC_HH22:
1636 case R_SPARC_PC_HM10:
1637 case R_SPARC_PC_LM22:
1639 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1644 case R_SPARC_DISP16:
1645 case R_SPARC_DISP32:
1646 case R_SPARC_DISP64:
1647 case R_SPARC_WDISP30:
1648 case R_SPARC_WDISP22:
1649 case R_SPARC_WDISP19:
1650 case R_SPARC_WDISP16:
1681 case R_SPARC_WPLT30:
1684 if (h->plt.refcount > 0)
1697 /* Adjust a symbol defined by a dynamic object and referenced by a
1698 regular object. The current definition is in some section of the
1699 dynamic object, but we're not including those sections. We have to
1700 change the definition to something the rest of the link can
1704 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1705 struct elf_link_hash_entry *h)
1707 struct _bfd_sparc_elf_link_hash_table *htab;
1708 struct _bfd_sparc_elf_link_hash_entry * eh;
1709 struct _bfd_sparc_elf_dyn_relocs *p;
1712 htab = _bfd_sparc_elf_hash_table (info);
1714 /* Make sure we know what is going on here. */
1715 BFD_ASSERT (htab->elf.dynobj != NULL
1717 || h->u.weakdef != NULL
1720 && !h->def_regular)));
1722 /* If this is a function, put it in the procedure linkage table. We
1723 will fill in the contents of the procedure linkage table later
1724 (although we could actually do it here). The STT_NOTYPE
1725 condition is a hack specifically for the Oracle libraries
1726 delivered for Solaris; for some inexplicable reason, they define
1727 some of their functions as STT_NOTYPE when they really should be
1729 if (h->type == STT_FUNC
1731 || (h->type == STT_NOTYPE
1732 && (h->root.type == bfd_link_hash_defined
1733 || h->root.type == bfd_link_hash_defweak)
1734 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1736 if (h->plt.refcount <= 0
1740 && h->root.type != bfd_link_hash_undefweak
1741 && h->root.type != bfd_link_hash_undefined))
1743 /* This case can occur if we saw a WPLT30 reloc in an input
1744 file, but the symbol was never referred to by a dynamic
1745 object, or if all references were garbage collected. In
1746 such a case, we don't actually need to build a procedure
1747 linkage table, and we can just do a WDISP30 reloc instead. */
1748 h->plt.offset = (bfd_vma) -1;
1755 h->plt.offset = (bfd_vma) -1;
1757 /* If this is a weak symbol, and there is a real definition, the
1758 processor independent code will have arranged for us to see the
1759 real definition first, and we can just use the same value. */
1760 if (h->u.weakdef != NULL)
1762 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
1763 || h->u.weakdef->root.type == bfd_link_hash_defweak);
1764 h->root.u.def.section = h->u.weakdef->root.u.def.section;
1765 h->root.u.def.value = h->u.weakdef->root.u.def.value;
1769 /* This is a reference to a symbol defined by a dynamic object which
1770 is not a function. */
1772 /* If we are creating a shared library, we must presume that the
1773 only references to the symbol are via the global offset table.
1774 For such cases we need not do anything here; the relocations will
1775 be handled correctly by relocate_section. */
1779 /* If there are no references to this symbol that do not use the
1780 GOT, we don't need to generate a copy reloc. */
1781 if (!h->non_got_ref)
1784 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1785 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1787 s = p->sec->output_section;
1788 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1792 /* If we didn't find any dynamic relocs in read-only sections, then
1793 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1802 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
1803 h->root.root.string);
1807 /* We must allocate the symbol in our .dynbss section, which will
1808 become part of the .bss section of the executable. There will be
1809 an entry for this symbol in the .dynsym section. The dynamic
1810 object will contain position independent code, so all references
1811 from the dynamic object to this symbol will go through the global
1812 offset table. The dynamic linker will use the .dynsym entry to
1813 determine the address it must put in the global offset table, so
1814 both the dynamic object and the regular object will refer to the
1815 same memory location for the variable. */
1817 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
1818 to copy the initial value out of the dynamic object and into the
1819 runtime process image. We need to remember the offset into the
1820 .rel.bss section we are going to use. */
1821 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
1823 htab->srelbss->size += SPARC_ELF_RELA_BYTES (htab);
1829 return _bfd_elf_adjust_dynamic_copy (h, s);
1832 /* Allocate space in .plt, .got and associated reloc sections for
1836 allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
1838 struct bfd_link_info *info;
1839 struct _bfd_sparc_elf_link_hash_table *htab;
1840 struct _bfd_sparc_elf_link_hash_entry *eh;
1841 struct _bfd_sparc_elf_dyn_relocs *p;
1843 if (h->root.type == bfd_link_hash_indirect)
1846 if (h->root.type == bfd_link_hash_warning)
1847 /* When warning symbols are created, they **replace** the "real"
1848 entry in the hash table, thus we never get to see the real
1849 symbol in a hash traversal. So look at it now. */
1850 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1852 info = (struct bfd_link_info *) inf;
1853 htab = _bfd_sparc_elf_hash_table (info);
1855 if (htab->elf.dynamic_sections_created
1856 && h->plt.refcount > 0)
1858 /* Make sure this symbol is output as a dynamic symbol.
1859 Undefined weak syms won't yet be marked as dynamic. */
1860 if (h->dynindx == -1
1861 && !h->forced_local)
1863 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1867 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
1869 asection *s = htab->splt;
1871 /* Allocate room for the header. */
1874 s->size = htab->plt_header_size;
1876 /* Allocate space for the .rela.plt.unloaded relocations. */
1877 if (htab->is_vxworks && !info->shared)
1878 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
1881 /* The procedure linkage table size is bounded by the magnitude
1882 of the offset we can describe in the entry. */
1883 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
1884 (((bfd_vma)1 << 31) << 1) : 0x400000))
1886 bfd_set_error (bfd_error_bad_value);
1890 if (SPARC_ELF_WORD_BYTES(htab) == 8
1891 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
1893 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
1896 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
1898 h->plt.offset = (s->size - (off * 8));
1901 h->plt.offset = s->size;
1903 /* If this symbol is not defined in a regular file, and we are
1904 not generating a shared library, then set the symbol to this
1905 location in the .plt. This is required to make function
1906 pointers compare as equal between the normal executable and
1907 the shared library. */
1911 h->root.u.def.section = s;
1912 h->root.u.def.value = h->plt.offset;
1915 /* Make room for this entry. */
1916 s->size += htab->plt_entry_size;
1918 /* We also need to make an entry in the .rela.plt section. */
1919 htab->srelplt->size += SPARC_ELF_RELA_BYTES (htab);
1921 if (htab->is_vxworks)
1923 /* Allocate space for the .got.plt entry. */
1924 htab->sgotplt->size += 4;
1926 /* ...and for the .rela.plt.unloaded relocations. */
1928 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
1933 h->plt.offset = (bfd_vma) -1;
1939 h->plt.offset = (bfd_vma) -1;
1943 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
1944 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
1945 if (h->got.refcount > 0
1948 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
1949 h->got.offset = (bfd_vma) -1;
1950 else if (h->got.refcount > 0)
1954 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1956 /* Make sure this symbol is output as a dynamic symbol.
1957 Undefined weak syms won't yet be marked as dynamic. */
1958 if (h->dynindx == -1
1959 && !h->forced_local)
1961 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1966 h->got.offset = s->size;
1967 s->size += SPARC_ELF_WORD_BYTES (htab);
1968 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
1969 if (tls_type == GOT_TLS_GD)
1970 s->size += SPARC_ELF_WORD_BYTES (htab);
1971 dyn = htab->elf.dynamic_sections_created;
1972 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
1973 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
1975 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
1976 || tls_type == GOT_TLS_IE)
1977 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
1978 else if (tls_type == GOT_TLS_GD)
1979 htab->srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
1980 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
1981 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
1984 h->got.offset = (bfd_vma) -1;
1986 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1987 if (eh->dyn_relocs == NULL)
1990 /* In the shared -Bsymbolic case, discard space allocated for
1991 dynamic pc-relative relocs against symbols which turn out to be
1992 defined in regular objects. For the normal shared case, discard
1993 space for pc-relative relocs that have become local due to symbol
1994 visibility changes. */
2002 struct _bfd_sparc_elf_dyn_relocs **pp;
2004 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2006 p->count -= p->pc_count;
2015 if (htab->is_vxworks)
2017 struct _bfd_sparc_elf_dyn_relocs **pp;
2019 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2021 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2028 /* Also discard relocs on undefined weak syms with non-default
2030 if (eh->dyn_relocs != NULL
2031 && h->root.type == bfd_link_hash_undefweak)
2033 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2034 eh->dyn_relocs = NULL;
2036 /* Make sure undefined weak symbols are output as a dynamic
2038 else if (h->dynindx == -1
2039 && !h->forced_local)
2041 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2048 /* For the non-shared case, discard space for relocs against
2049 symbols which turn out to need copy relocs or are not
2055 || (htab->elf.dynamic_sections_created
2056 && (h->root.type == bfd_link_hash_undefweak
2057 || h->root.type == bfd_link_hash_undefined))))
2059 /* Make sure this symbol is output as a dynamic symbol.
2060 Undefined weak syms won't yet be marked as dynamic. */
2061 if (h->dynindx == -1
2062 && !h->forced_local)
2064 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2068 /* If that succeeded, we know we'll be keeping all the
2070 if (h->dynindx != -1)
2074 eh->dyn_relocs = NULL;
2079 /* Finally, allocate space. */
2080 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2082 asection *sreloc = elf_section_data (p->sec)->sreloc;
2083 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2089 /* Find any dynamic relocs that apply to read-only sections. */
2092 readonly_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
2094 struct _bfd_sparc_elf_link_hash_entry *eh;
2095 struct _bfd_sparc_elf_dyn_relocs *p;
2097 if (h->root.type == bfd_link_hash_warning)
2098 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2100 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2101 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2103 asection *s = p->sec->output_section;
2105 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2107 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2109 info->flags |= DF_TEXTREL;
2111 /* Not an error, just cut short the traversal. */
2118 /* Return true if the dynamic symbol for a given section should be
2119 omitted when creating a shared library. */
2122 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2123 struct bfd_link_info *info,
2126 /* We keep the .got section symbol so that explicit relocations
2127 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2128 can be turned into relocations against the .got symbol. */
2129 if (strcmp (p->name, ".got") == 0)
2132 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2135 /* Set the sizes of the dynamic sections. */
2138 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2139 struct bfd_link_info *info)
2141 struct _bfd_sparc_elf_link_hash_table *htab;
2146 htab = _bfd_sparc_elf_hash_table (info);
2147 dynobj = htab->elf.dynobj;
2148 BFD_ASSERT (dynobj != NULL);
2150 if (elf_hash_table (info)->dynamic_sections_created)
2152 /* Set the contents of the .interp section to the interpreter. */
2153 if (info->executable)
2155 s = bfd_get_section_by_name (dynobj, ".interp");
2156 BFD_ASSERT (s != NULL);
2157 s->size = htab->dynamic_interpreter_size;
2158 s->contents = (unsigned char *) htab->dynamic_interpreter;
2162 /* Set up .got offsets for local syms, and space for local dynamic
2164 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
2166 bfd_signed_vma *local_got;
2167 bfd_signed_vma *end_local_got;
2168 char *local_tls_type;
2169 bfd_size_type locsymcount;
2170 Elf_Internal_Shdr *symtab_hdr;
2173 if (! is_sparc_elf (ibfd))
2176 for (s = ibfd->sections; s != NULL; s = s->next)
2178 struct _bfd_sparc_elf_dyn_relocs *p;
2180 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2182 if (!bfd_is_abs_section (p->sec)
2183 && bfd_is_abs_section (p->sec->output_section))
2185 /* Input section has been discarded, either because
2186 it is a copy of a linkonce section or due to
2187 linker script /DISCARD/, so we'll be discarding
2190 else if (htab->is_vxworks
2191 && strcmp (p->sec->output_section->name,
2194 /* Relocations in vxworks .tls_vars sections are
2195 handled specially by the loader. */
2197 else if (p->count != 0)
2199 srel = elf_section_data (p->sec)->sreloc;
2200 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2201 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2202 info->flags |= DF_TEXTREL;
2207 local_got = elf_local_got_refcounts (ibfd);
2211 symtab_hdr = &elf_symtab_hdr (ibfd);
2212 locsymcount = symtab_hdr->sh_info;
2213 end_local_got = local_got + locsymcount;
2214 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2216 srel = htab->srelgot;
2217 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2221 *local_got = s->size;
2222 s->size += SPARC_ELF_WORD_BYTES (htab);
2223 if (*local_tls_type == GOT_TLS_GD)
2224 s->size += SPARC_ELF_WORD_BYTES (htab);
2226 || *local_tls_type == GOT_TLS_GD
2227 || *local_tls_type == GOT_TLS_IE)
2228 srel->size += SPARC_ELF_RELA_BYTES (htab);
2231 *local_got = (bfd_vma) -1;
2235 if (htab->tls_ldm_got.refcount > 0)
2237 /* Allocate 2 got entries and 1 dynamic reloc for
2238 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2239 htab->tls_ldm_got.offset = htab->sgot->size;
2240 htab->sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2241 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2244 htab->tls_ldm_got.offset = -1;
2246 /* Allocate global sym .plt and .got entries, and space for global
2247 sym dynamic relocs. */
2248 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
2250 if (! ABI_64_P (output_bfd)
2251 && !htab->is_vxworks
2252 && elf_hash_table (info)->dynamic_sections_created)
2254 /* Make space for the trailing nop in .plt. */
2255 if (htab->splt->size > 0)
2256 htab->splt->size += 1 * SPARC_INSN_BYTES;
2258 /* If the .got section is more than 0x1000 bytes, we add
2259 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2260 bit relocations have a greater chance of working.
2262 FIXME: Make this optimization work for 64-bit too. */
2263 if (htab->sgot->size >= 0x1000
2264 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2265 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2268 /* The check_relocs and adjust_dynamic_symbol entry points have
2269 determined the sizes of the various dynamic sections. Allocate
2271 for (s = dynobj->sections; s != NULL; s = s->next)
2273 if ((s->flags & SEC_LINKER_CREATED) == 0)
2278 || s == htab->sdynbss
2279 || s == htab->sgotplt)
2281 /* Strip this section if we don't need it; see the
2284 else if (CONST_STRNEQ (s->name, ".rela"))
2288 /* We use the reloc_count field as a counter if we need
2289 to copy relocs into the output file. */
2295 /* It's not one of our sections. */
2301 /* If we don't need this section, strip it from the
2302 output file. This is mostly to handle .rela.bss and
2303 .rela.plt. We must create both sections in
2304 create_dynamic_sections, because they must be created
2305 before the linker maps input sections to output
2306 sections. The linker does that before
2307 adjust_dynamic_symbol is called, and it is that
2308 function which decides whether anything needs to go
2309 into these sections. */
2310 s->flags |= SEC_EXCLUDE;
2314 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2317 /* Allocate memory for the section contents. Zero the memory
2318 for the benefit of .rela.plt, which has 4 unused entries
2319 at the beginning, and we don't want garbage. */
2320 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2321 if (s->contents == NULL)
2325 if (elf_hash_table (info)->dynamic_sections_created)
2327 /* Add some entries to the .dynamic section. We fill in the
2328 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2329 must add the entries now so that we get the correct size for
2330 the .dynamic section. The DT_DEBUG entry is filled in by the
2331 dynamic linker and used by the debugger. */
2332 #define add_dynamic_entry(TAG, VAL) \
2333 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2335 if (info->executable)
2337 if (!add_dynamic_entry (DT_DEBUG, 0))
2341 if (htab->srelplt->size != 0)
2343 if (!add_dynamic_entry (DT_PLTGOT, 0)
2344 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2345 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2346 || !add_dynamic_entry (DT_JMPREL, 0))
2350 if (!add_dynamic_entry (DT_RELA, 0)
2351 || !add_dynamic_entry (DT_RELASZ, 0)
2352 || !add_dynamic_entry (DT_RELAENT,
2353 SPARC_ELF_RELA_BYTES (htab)))
2356 /* If any dynamic relocs apply to a read-only section,
2357 then we need a DT_TEXTREL entry. */
2358 if ((info->flags & DF_TEXTREL) == 0)
2359 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
2362 if (info->flags & DF_TEXTREL)
2364 if (!add_dynamic_entry (DT_TEXTREL, 0))
2368 if (ABI_64_P (output_bfd))
2371 struct _bfd_sparc_elf_app_reg * app_regs;
2372 struct elf_strtab_hash *dynstr;
2373 struct elf_link_hash_table *eht = elf_hash_table (info);
2375 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2376 entries if needed. */
2377 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2378 dynstr = eht->dynstr;
2380 for (reg = 0; reg < 4; reg++)
2381 if (app_regs [reg].name != NULL)
2383 struct elf_link_local_dynamic_entry *entry, *e;
2385 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2388 entry = (struct elf_link_local_dynamic_entry *)
2389 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2393 /* We cheat here a little bit: the symbol will not be local, so we
2394 put it at the end of the dynlocal linked list. We will fix it
2395 later on, as we have to fix other fields anyway. */
2396 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2397 entry->isym.st_size = 0;
2398 if (*app_regs [reg].name != '\0')
2400 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2402 entry->isym.st_name = 0;
2403 entry->isym.st_other = 0;
2404 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2406 entry->isym.st_shndx = app_regs [reg].shndx;
2408 entry->input_bfd = output_bfd;
2409 entry->input_indx = -1;
2411 if (eht->dynlocal == NULL)
2412 eht->dynlocal = entry;
2415 for (e = eht->dynlocal; e->next; e = e->next)
2422 if (htab->is_vxworks
2423 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2426 #undef add_dynamic_entry
2432 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2434 if (!sec->used_by_bfd)
2436 struct _bfd_sparc_elf_section_data *sdata;
2437 bfd_size_type amt = sizeof (*sdata);
2439 sdata = bfd_zalloc (abfd, amt);
2442 sec->used_by_bfd = sdata;
2445 return _bfd_elf_new_section_hook (abfd, sec);
2449 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2450 struct bfd_section *section,
2451 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2454 if (link_info->relocatable)
2455 (*link_info->callbacks->einfo)
2456 (_("%P%F: --relax and -r may not be used together\n"));
2459 sec_do_relax (section) = 1;
2463 /* Return the base VMA address which should be subtracted from real addresses
2464 when resolving @dtpoff relocation.
2465 This is PT_TLS segment p_vaddr. */
2468 dtpoff_base (struct bfd_link_info *info)
2470 /* If tls_sec is NULL, we should have signalled an error already. */
2471 if (elf_hash_table (info)->tls_sec == NULL)
2473 return elf_hash_table (info)->tls_sec->vma;
2476 /* Return the relocation value for @tpoff relocation
2477 if STT_TLS virtual address is ADDRESS. */
2480 tpoff (struct bfd_link_info *info, bfd_vma address)
2482 struct elf_link_hash_table *htab = elf_hash_table (info);
2484 /* If tls_sec is NULL, we should have signalled an error already. */
2485 if (htab->tls_sec == NULL)
2487 return address - htab->tls_size - htab->tls_sec->vma;
2490 /* Relocate a SPARC ELF section. */
2493 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2494 struct bfd_link_info *info,
2496 asection *input_section,
2498 Elf_Internal_Rela *relocs,
2499 Elf_Internal_Sym *local_syms,
2500 asection **local_sections)
2502 struct _bfd_sparc_elf_link_hash_table *htab;
2503 Elf_Internal_Shdr *symtab_hdr;
2504 struct elf_link_hash_entry **sym_hashes;
2505 bfd_vma *local_got_offsets;
2508 Elf_Internal_Rela *rel;
2509 Elf_Internal_Rela *relend;
2511 bfd_boolean is_vxworks_tls;
2513 htab = _bfd_sparc_elf_hash_table (info);
2514 symtab_hdr = &elf_symtab_hdr (input_bfd);
2515 sym_hashes = elf_sym_hashes (input_bfd);
2516 local_got_offsets = elf_local_got_offsets (input_bfd);
2518 if (elf_hash_table (info)->hgot == NULL)
2521 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2523 sreloc = elf_section_data (input_section)->sreloc;
2524 /* We have to handle relocations in vxworks .tls_vars sections
2525 specially, because the dynamic loader is 'weird'. */
2526 is_vxworks_tls = (htab->is_vxworks && info->shared
2527 && !strcmp (input_section->output_section->name,
2531 if (ABI_64_P (output_bfd))
2532 num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr);
2534 num_relocs = input_section->reloc_count;
2535 relend = relocs + num_relocs;
2536 for (; rel < relend; rel++)
2538 int r_type, tls_type;
2539 reloc_howto_type *howto;
2540 unsigned long r_symndx;
2541 struct elf_link_hash_entry *h;
2542 Elf_Internal_Sym *sym;
2544 bfd_vma relocation, off;
2545 bfd_reloc_status_type r;
2546 bfd_boolean is_plt = FALSE;
2547 bfd_boolean unresolved_reloc;
2549 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2550 if (r_type == R_SPARC_GNU_VTINHERIT
2551 || r_type == R_SPARC_GNU_VTENTRY)
2554 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2556 bfd_set_error (bfd_error_bad_value);
2559 howto = _bfd_sparc_elf_howto_table + r_type;
2561 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2565 unresolved_reloc = FALSE;
2566 if (r_symndx < symtab_hdr->sh_info)
2568 sym = local_syms + r_symndx;
2569 sec = local_sections[r_symndx];
2570 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2576 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2577 r_symndx, symtab_hdr, sym_hashes,
2579 unresolved_reloc, warned);
2582 /* To avoid generating warning messages about truncated
2583 relocations, set the relocation's address to be the same as
2584 the start of this section. */
2585 if (input_section->output_section != NULL)
2586 relocation = input_section->output_section->vma;
2592 if (sec != NULL && elf_discarded_section (sec))
2594 /* For relocs against symbols from removed linkonce
2595 sections, or sections discarded by a linker script, we
2596 just want the section contents zeroed. Avoid any
2597 special processing. */
2598 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
2604 if (info->relocatable)
2609 case R_SPARC_GOTDATA_HIX22:
2610 case R_SPARC_GOTDATA_LOX10:
2611 case R_SPARC_GOTDATA_OP_HIX22:
2612 case R_SPARC_GOTDATA_OP_LOX10:
2613 /* We don't support these code transformation optimizations
2614 yet, so just leave the sequence alone and treat as
2616 if (r_type == R_SPARC_GOTDATA_HIX22
2617 || r_type == R_SPARC_GOTDATA_OP_HIX22)
2618 r_type = R_SPARC_GOT22;
2620 r_type = R_SPARC_GOT10;
2626 /* Relocation is to the entry for this symbol in the global
2628 if (htab->sgot == NULL)
2635 off = h->got.offset;
2636 BFD_ASSERT (off != (bfd_vma) -1);
2637 dyn = elf_hash_table (info)->dynamic_sections_created;
2639 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
2646 /* This is actually a static link, or it is a
2647 -Bsymbolic link and the symbol is defined
2648 locally, or the symbol was forced to be local
2649 because of a version file. We must initialize
2650 this entry in the global offset table. Since the
2651 offset must always be a multiple of 8 for 64-bit
2652 and 4 for 32-bit, we use the least significant bit
2653 to record whether we have initialized it already.
2655 When doing a dynamic link, we create a .rela.got
2656 relocation entry to initialize the value. This
2657 is done in the finish_dynamic_symbol routine. */
2662 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
2663 htab->sgot->contents + off);
2668 unresolved_reloc = FALSE;
2672 BFD_ASSERT (local_got_offsets != NULL
2673 && local_got_offsets[r_symndx] != (bfd_vma) -1);
2675 off = local_got_offsets[r_symndx];
2677 /* The offset must always be a multiple of 8 on 64-bit and
2678 4 on 32-bit. We use the least significant bit to record
2679 whether we have already processed this entry. */
2688 Elf_Internal_Rela outrel;
2690 /* We need to generate a R_SPARC_RELATIVE reloc
2691 for the dynamic linker. */
2693 BFD_ASSERT (s != NULL);
2695 outrel.r_offset = (htab->sgot->output_section->vma
2696 + htab->sgot->output_offset
2698 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
2699 0, R_SPARC_RELATIVE);
2700 outrel.r_addend = relocation;
2702 sparc_elf_append_rela (output_bfd, s, &outrel);
2705 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
2706 htab->sgot->contents + off);
2707 local_got_offsets[r_symndx] |= 1;
2710 relocation = htab->sgot->output_offset + off - got_base;
2715 if (h == NULL || h->plt.offset == (bfd_vma) -1)
2717 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
2722 case R_SPARC_WPLT30:
2723 case R_SPARC_HIPLT22:
2724 case R_SPARC_LOPLT10:
2725 case R_SPARC_PCPLT32:
2726 case R_SPARC_PCPLT22:
2727 case R_SPARC_PCPLT10:
2729 /* Relocation is to the entry for this symbol in the
2730 procedure linkage table. */
2732 if (! ABI_64_P (output_bfd))
2734 /* The Solaris native assembler will generate a WPLT30 reloc
2735 for a local symbol if you assemble a call from one
2736 section to another when using -K pic. We treat it as
2741 /* PR 7027: We need similar behaviour for 64-bit binaries. */
2742 else if (r_type == R_SPARC_WPLT30 && h == NULL)
2746 BFD_ASSERT (h != NULL);
2749 if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL)
2751 /* We didn't make a PLT entry for this symbol. This
2752 happens when statically linking PIC code, or when
2753 using -Bsymbolic. */
2757 relocation = (htab->splt->output_section->vma
2758 + htab->splt->output_offset
2760 unresolved_reloc = FALSE;
2761 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
2763 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
2771 case R_SPARC_PC_HH22:
2772 case R_SPARC_PC_HM10:
2773 case R_SPARC_PC_LM22:
2775 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2779 case R_SPARC_DISP16:
2780 case R_SPARC_DISP32:
2781 case R_SPARC_DISP64:
2782 case R_SPARC_WDISP30:
2783 case R_SPARC_WDISP22:
2784 case R_SPARC_WDISP19:
2785 case R_SPARC_WDISP16:
2812 if ((input_section->flags & SEC_ALLOC) == 0
2818 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2819 || h->root.type != bfd_link_hash_undefweak)
2820 && (! howto->pc_relative
2823 && (! info->symbolic
2824 || !h->def_regular))))
2831 || h->root.type == bfd_link_hash_undefweak
2832 || h->root.type == bfd_link_hash_undefined)))
2834 Elf_Internal_Rela outrel;
2835 bfd_boolean skip, relocate = FALSE;
2837 /* When generating a shared object, these relocations
2838 are copied into the output file to be resolved at run
2841 BFD_ASSERT (sreloc != NULL);
2846 _bfd_elf_section_offset (output_bfd, info, input_section,
2848 if (outrel.r_offset == (bfd_vma) -1)
2850 else if (outrel.r_offset == (bfd_vma) -2)
2851 skip = TRUE, relocate = TRUE;
2852 outrel.r_offset += (input_section->output_section->vma
2853 + input_section->output_offset);
2855 /* Optimize unaligned reloc usage now that we know where
2856 it finally resides. */
2860 if (outrel.r_offset & 1)
2861 r_type = R_SPARC_UA16;
2864 if (!(outrel.r_offset & 1))
2865 r_type = R_SPARC_16;
2868 if (outrel.r_offset & 3)
2869 r_type = R_SPARC_UA32;
2872 if (!(outrel.r_offset & 3))
2873 r_type = R_SPARC_32;
2876 if (outrel.r_offset & 7)
2877 r_type = R_SPARC_UA64;
2880 if (!(outrel.r_offset & 7))
2881 r_type = R_SPARC_64;
2884 case R_SPARC_DISP16:
2885 case R_SPARC_DISP32:
2886 case R_SPARC_DISP64:
2887 /* If the symbol is not dynamic, we should not keep
2888 a dynamic relocation. But an .rela.* slot has been
2889 allocated for it, output R_SPARC_NONE.
2890 FIXME: Add code tracking needed dynamic relocs as
2892 if (h->dynindx == -1)
2893 skip = TRUE, relocate = TRUE;
2898 memset (&outrel, 0, sizeof outrel);
2899 /* h->dynindx may be -1 if the symbol was marked to
2901 else if (h != NULL && ! is_plt
2902 && ((! info->symbolic && h->dynindx != -1)
2903 || !h->def_regular))
2905 BFD_ASSERT (h->dynindx != -1);
2906 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
2907 outrel.r_addend = rel->r_addend;
2911 if (r_type == R_SPARC_32 || r_type == R_SPARC_64)
2913 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
2914 0, R_SPARC_RELATIVE);
2915 outrel.r_addend = relocation + rel->r_addend;
2921 outrel.r_addend = relocation + rel->r_addend;
2926 if (bfd_is_abs_section (sec))
2928 else if (sec == NULL || sec->owner == NULL)
2930 bfd_set_error (bfd_error_bad_value);
2937 /* We are turning this relocation into one
2938 against a section symbol. It would be
2939 proper to subtract the symbol's value,
2940 osec->vma, from the emitted reloc addend,
2941 but ld.so expects buggy relocs. */
2942 osec = sec->output_section;
2943 indx = elf_section_data (osec)->dynindx;
2947 osec = htab->elf.text_index_section;
2948 indx = elf_section_data (osec)->dynindx;
2951 /* FIXME: we really should be able to link non-pic
2952 shared libraries. */
2956 (*_bfd_error_handler)
2957 (_("%B: probably compiled without -fPIC?"),
2959 bfd_set_error (bfd_error_bad_value);
2964 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
2969 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
2971 /* This reloc will be computed at runtime, so there's no
2972 need to do anything now. */
2978 case R_SPARC_TLS_GD_HI22:
2979 if (! ABI_64_P (input_bfd)
2980 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
2982 /* R_SPARC_REV32 used the same reloc number as
2983 R_SPARC_TLS_GD_HI22. */
2984 r_type = R_SPARC_REV32;
2989 case R_SPARC_TLS_GD_LO10:
2990 case R_SPARC_TLS_IE_HI22:
2991 case R_SPARC_TLS_IE_LO10:
2992 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
2993 tls_type = GOT_UNKNOWN;
2994 if (h == NULL && local_got_offsets)
2995 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
2998 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2999 if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
3000 switch (SPARC_ELF_R_TYPE (rel->r_info))
3002 case R_SPARC_TLS_GD_HI22:
3003 case R_SPARC_TLS_IE_HI22:
3004 r_type = R_SPARC_TLS_LE_HIX22;
3007 r_type = R_SPARC_TLS_LE_LOX10;
3011 if (tls_type == GOT_TLS_IE)
3014 case R_SPARC_TLS_GD_HI22:
3015 r_type = R_SPARC_TLS_IE_HI22;
3017 case R_SPARC_TLS_GD_LO10:
3018 r_type = R_SPARC_TLS_IE_LO10;
3022 if (r_type == R_SPARC_TLS_LE_HIX22)
3024 relocation = tpoff (info, relocation);
3027 if (r_type == R_SPARC_TLS_LE_LOX10)
3029 /* Change add into xor. */
3030 relocation = tpoff (info, relocation);
3031 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3032 contents + rel->r_offset)
3033 | 0x80182000), contents + rel->r_offset);
3039 off = h->got.offset;
3044 BFD_ASSERT (local_got_offsets != NULL);
3045 off = local_got_offsets[r_symndx];
3046 local_got_offsets[r_symndx] |= 1;
3050 if (htab->sgot == NULL)
3057 Elf_Internal_Rela outrel;
3060 if (htab->srelgot == NULL)
3063 SPARC_ELF_PUT_WORD (htab, output_bfd, 0, htab->sgot->contents + off);
3064 outrel.r_offset = (htab->sgot->output_section->vma
3065 + htab->sgot->output_offset + off);
3066 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3067 if (r_type == R_SPARC_TLS_IE_HI22
3068 || r_type == R_SPARC_TLS_IE_LO10)
3069 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3071 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3072 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3073 outrel.r_addend = relocation - dtpoff_base (info);
3075 outrel.r_addend = 0;
3076 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3077 sparc_elf_append_rela (output_bfd, htab->srelgot, &outrel);
3079 if (r_type == R_SPARC_TLS_GD_HI22
3080 || r_type == R_SPARC_TLS_GD_LO10)
3084 BFD_ASSERT (! unresolved_reloc);
3085 SPARC_ELF_PUT_WORD (htab, output_bfd,
3086 relocation - dtpoff_base (info),
3087 (htab->sgot->contents + off
3088 + SPARC_ELF_WORD_BYTES (htab)));
3092 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3093 (htab->sgot->contents + off
3094 + SPARC_ELF_WORD_BYTES (htab)));
3095 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3096 SPARC_ELF_DTPOFF_RELOC (htab));
3097 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3098 sparc_elf_append_rela (output_bfd, htab->srelgot,
3102 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3104 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3105 (htab->sgot->contents + off
3106 + SPARC_ELF_WORD_BYTES (htab)));
3110 if (off >= (bfd_vma) -2)
3113 relocation = htab->sgot->output_offset + off - got_base;
3114 unresolved_reloc = FALSE;
3115 howto = _bfd_sparc_elf_howto_table + r_type;
3118 case R_SPARC_TLS_LDM_HI22:
3119 case R_SPARC_TLS_LDM_LO10:
3122 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3125 off = htab->tls_ldm_got.offset;
3126 htab->tls_ldm_got.offset |= 1;
3127 goto r_sparc_tlsldm;
3129 case R_SPARC_TLS_LDO_HIX22:
3130 case R_SPARC_TLS_LDO_LOX10:
3133 relocation -= dtpoff_base (info);
3137 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3138 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3141 case R_SPARC_TLS_LE_HIX22:
3142 case R_SPARC_TLS_LE_LOX10:
3145 Elf_Internal_Rela outrel;
3146 bfd_boolean skip, relocate = FALSE;
3148 BFD_ASSERT (sreloc != NULL);
3151 _bfd_elf_section_offset (output_bfd, info, input_section,
3153 if (outrel.r_offset == (bfd_vma) -1)
3155 else if (outrel.r_offset == (bfd_vma) -2)
3156 skip = TRUE, relocate = TRUE;
3157 outrel.r_offset += (input_section->output_section->vma
3158 + input_section->output_offset);
3160 memset (&outrel, 0, sizeof outrel);
3163 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3164 outrel.r_addend = relocation - dtpoff_base (info)
3168 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3171 relocation = tpoff (info, relocation);
3174 case R_SPARC_TLS_LDM_CALL:
3178 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3183 case R_SPARC_TLS_GD_CALL:
3184 tls_type = GOT_UNKNOWN;
3185 if (h == NULL && local_got_offsets)
3186 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3188 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3190 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3194 if (!info->shared && (h == NULL || h->dynindx == -1))
3197 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3202 if (rel + 1 < relend
3203 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3204 && rel[1].r_offset == rel->r_offset + 4
3205 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3206 && (((insn = bfd_get_32 (input_bfd,
3207 contents + rel[1].r_offset))
3208 >> 25) & 0x1f) == 8)
3211 call __tls_get_addr, %tgd_call(foo)
3212 add %reg1, %reg2, %o0, %tgd_add(foo)
3213 and change it into IE:
3214 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3215 add %g7, %o0, %o0, %tie_add(foo).
3216 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3217 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3218 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3219 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3220 contents + rel->r_offset);
3221 bfd_put_32 (output_bfd, 0x9001c008,
3222 contents + rel->r_offset + 4);
3227 bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset);
3231 h = (struct elf_link_hash_entry *)
3232 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3234 BFD_ASSERT (h != NULL);
3235 r_type = R_SPARC_WPLT30;
3236 howto = _bfd_sparc_elf_howto_table + r_type;
3237 goto r_sparc_wplt30;
3239 case R_SPARC_TLS_GD_ADD:
3240 tls_type = GOT_UNKNOWN;
3241 if (h == NULL && local_got_offsets)
3242 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3244 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3245 if (! info->shared || tls_type == GOT_TLS_IE)
3247 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3249 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3251 add %g7, %reg2, %reg3. */
3252 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3253 if ((h != NULL && h->dynindx != -1) || info->shared)
3254 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3256 relocation = (insn & ~0x7c000) | 0x1c000;
3257 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3261 case R_SPARC_TLS_LDM_ADD:
3263 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3266 case R_SPARC_TLS_LDO_ADD:
3269 /* Change rs1 into %g7. */
3270 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3271 insn = (insn & ~0x7c000) | 0x1c000;
3272 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3276 case R_SPARC_GOTDATA_OP:
3277 /* We don't support gotdata code transformation optimizations
3278 yet, so simply leave the sequence as-is. */
3281 case R_SPARC_TLS_IE_LD:
3282 case R_SPARC_TLS_IE_LDX:
3283 if (! info->shared && (h == NULL || h->dynindx == -1))
3285 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3286 int rs2 = insn & 0x1f;
3287 int rd = (insn >> 25) & 0x1f;
3290 relocation = SPARC_NOP;
3292 relocation = 0x80100000 | (insn & 0x3e00001f);
3293 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3297 case R_SPARC_TLS_IE_ADD:
3298 /* Totally useless relocation. */
3301 case R_SPARC_TLS_DTPOFF32:
3302 case R_SPARC_TLS_DTPOFF64:
3303 relocation -= dtpoff_base (info);
3310 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3311 because such sections are not SEC_ALLOC and thus ld.so will
3312 not process them. */
3313 if (unresolved_reloc
3314 && !((input_section->flags & SEC_DEBUGGING) != 0
3316 (*_bfd_error_handler)
3317 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3320 (long) rel->r_offset,
3322 h->root.root.string);
3324 r = bfd_reloc_continue;
3325 if (r_type == R_SPARC_OLO10)
3329 if (! ABI_64_P (output_bfd))
3332 relocation += rel->r_addend;
3333 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3335 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3336 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3337 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3339 r = bfd_check_overflow (howto->complain_on_overflow,
3340 howto->bitsize, howto->rightshift,
3341 bfd_arch_bits_per_address (input_bfd),
3344 else if (r_type == R_SPARC_WDISP16)
3348 relocation += rel->r_addend;
3349 relocation -= (input_section->output_section->vma
3350 + input_section->output_offset);
3351 relocation -= rel->r_offset;
3353 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3354 x |= ((((relocation >> 2) & 0xc000) << 6)
3355 | ((relocation >> 2) & 0x3fff));
3356 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3358 r = bfd_check_overflow (howto->complain_on_overflow,
3359 howto->bitsize, howto->rightshift,
3360 bfd_arch_bits_per_address (input_bfd),
3363 else if (r_type == R_SPARC_REV32)
3367 relocation = relocation + rel->r_addend;
3369 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3371 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3374 else if (r_type == R_SPARC_TLS_LDO_HIX22
3375 || r_type == R_SPARC_TLS_LE_HIX22)
3379 relocation += rel->r_addend;
3380 if (r_type == R_SPARC_TLS_LE_HIX22)
3381 relocation ^= MINUS_ONE;
3383 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3384 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3385 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3388 else if (r_type == R_SPARC_TLS_LDO_LOX10
3389 || r_type == R_SPARC_TLS_LE_LOX10)
3393 relocation += rel->r_addend;
3394 relocation &= 0x3ff;
3395 if (r_type == R_SPARC_TLS_LE_LOX10)
3396 relocation |= 0x1c00;
3398 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3399 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3400 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3404 else if (r_type == R_SPARC_HIX22)
3408 relocation += rel->r_addend;
3409 relocation = relocation ^ MINUS_ONE;
3411 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3412 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3413 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3415 r = bfd_check_overflow (howto->complain_on_overflow,
3416 howto->bitsize, howto->rightshift,
3417 bfd_arch_bits_per_address (input_bfd),
3420 else if (r_type == R_SPARC_LOX10)
3424 relocation += rel->r_addend;
3425 relocation = (relocation & 0x3ff) | 0x1c00;
3427 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3428 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3429 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3433 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
3434 && sec_do_relax (input_section)
3435 && rel->r_offset + 4 < input_section->size)
3439 #define XCC (2 << 20)
3440 #define COND(x) (((x)&0xf)<<25)
3441 #define CONDA COND(0x8)
3442 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
3443 #define INSN_BA (F2(0,2) | CONDA)
3444 #define INSN_OR F3(2, 0x2, 0)
3445 #define INSN_NOP F2(0,4)
3449 /* If the instruction is a call with either:
3451 arithmetic instruction with rd == %o7
3452 where rs1 != %o7 and rs2 if it is register != %o7
3453 then we can optimize if the call destination is near
3454 by changing the call into a branch always. */
3455 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3456 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3457 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
3459 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
3460 || ((y & OP3(0x28)) == 0 /* arithmetic */
3461 && (y & RD(~0)) == RD(O7)))
3462 && (y & RS1(~0)) != RS1(O7)
3464 || (y & RS2(~0)) != RS2(O7)))
3468 reloc = relocation + rel->r_addend - rel->r_offset;
3469 reloc -= (input_section->output_section->vma
3470 + input_section->output_offset);
3472 /* Ensure the branch fits into simm22. */
3473 if ((reloc & 3) == 0
3474 && ((reloc & ~(bfd_vma)0x7fffff) == 0
3475 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
3479 /* Check whether it fits into simm19. */
3480 if (((reloc & 0x3c0000) == 0
3481 || (reloc & 0x3c0000) == 0x3c0000)
3482 && (ABI_64_P (output_bfd)
3483 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
3484 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
3486 x = INSN_BA | (reloc & 0x3fffff); /* ba */
3487 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3489 if (rel->r_offset >= 4
3490 && (y & (0xffffffff ^ RS1(~0)))
3491 == (INSN_OR | RD(O7) | RS2(G0)))
3496 z = bfd_get_32 (input_bfd,
3497 contents + rel->r_offset - 4);
3498 if ((z & (0xffffffff ^ RD(~0)))
3499 != (INSN_OR | RS1(O7) | RS2(G0)))
3507 If call foo was replaced with ba, replace
3508 or %rN, %g0, %o7 with nop. */
3510 reg = (y & RS1(~0)) >> 14;
3511 if (reg != ((z & RD(~0)) >> 25)
3512 || reg == G0 || reg == O7)
3515 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
3516 contents + rel->r_offset + 4);
3524 if (r == bfd_reloc_continue)
3525 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3526 contents, rel->r_offset,
3527 relocation, rel->r_addend);
3529 if (r != bfd_reloc_ok)
3534 case bfd_reloc_outofrange:
3536 case bfd_reloc_overflow:
3540 /* The Solaris native linker silently disregards overflows.
3541 We don't, but this breaks stabs debugging info, whose
3542 relocations are only 32-bits wide. Ignore overflows in
3543 this case and also for discarded entries. */
3544 if ((r_type == R_SPARC_32 || r_type == R_SPARC_DISP32)
3545 && (((input_section->flags & SEC_DEBUGGING) != 0
3546 && strcmp (bfd_section_name (input_bfd,
3549 || _bfd_elf_section_offset (output_bfd, info,
3557 /* Assume this is a call protected by other code that
3558 detect the symbol is undefined. If this is the case,
3559 we can safely ignore the overflow. If not, the
3560 program is hosed anyway, and a little warning isn't
3562 if (h->root.type == bfd_link_hash_undefweak
3563 && howto->pc_relative)
3570 name = bfd_elf_string_from_elf_section (input_bfd,
3571 symtab_hdr->sh_link,
3576 name = bfd_section_name (input_bfd, sec);
3578 if (! ((*info->callbacks->reloc_overflow)
3579 (info, (h ? &h->root : NULL), name, howto->name,
3580 (bfd_vma) 0, input_bfd, input_section,
3592 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
3593 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
3594 is the offset of the associated .got.plt entry from
3595 _GLOBAL_OFFSET_TABLE_. */
3598 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
3599 bfd_vma plt_offset, bfd_vma plt_index,
3603 const bfd_vma *plt_entry;
3604 struct _bfd_sparc_elf_link_hash_table *htab;
3606 Elf_Internal_Rela rela;
3608 htab = _bfd_sparc_elf_hash_table (info);
3611 plt_entry = sparc_vxworks_shared_plt_entry;
3616 plt_entry = sparc_vxworks_exec_plt_entry;
3617 got_base = (htab->elf.hgot->root.u.def.value
3618 + htab->elf.hgot->root.u.def.section->output_offset
3619 + htab->elf.hgot->root.u.def.section->output_section->vma);
3622 /* Fill in the entry in the procedure linkage table. */
3623 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
3624 htab->splt->contents + plt_offset);
3625 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
3626 htab->splt->contents + plt_offset + 4);
3627 bfd_put_32 (output_bfd, plt_entry[2],
3628 htab->splt->contents + plt_offset + 8);
3629 bfd_put_32 (output_bfd, plt_entry[3],
3630 htab->splt->contents + plt_offset + 12);
3631 bfd_put_32 (output_bfd, plt_entry[4],
3632 htab->splt->contents + plt_offset + 16);
3633 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
3634 htab->splt->contents + plt_offset + 20);
3635 /* PC-relative displacement for a branch to the start of
3637 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
3639 htab->splt->contents + plt_offset + 24);
3640 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
3641 htab->splt->contents + plt_offset + 28);
3643 /* Fill in the .got.plt entry, pointing initially at the
3644 second half of the PLT entry. */
3645 BFD_ASSERT (htab->sgotplt != NULL);
3646 bfd_put_32 (output_bfd,
3647 htab->splt->output_section->vma
3648 + htab->splt->output_offset
3650 htab->sgotplt->contents + got_offset);
3652 /* Add relocations to .rela.plt.unloaded. */
3655 loc = (htab->srelplt2->contents
3656 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
3658 /* Relocate the initial sethi. */
3659 rela.r_offset = (htab->splt->output_section->vma
3660 + htab->splt->output_offset
3662 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
3663 rela.r_addend = got_offset;
3664 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3665 loc += sizeof (Elf32_External_Rela);
3667 /* Likewise the following or. */
3669 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
3670 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3671 loc += sizeof (Elf32_External_Rela);
3673 /* Relocate the .got.plt entry. */
3674 rela.r_offset = (htab->sgotplt->output_section->vma
3675 + htab->sgotplt->output_offset
3677 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
3678 rela.r_addend = plt_offset + 20;
3679 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3683 /* Finish up dynamic symbol handling. We set the contents of various
3684 dynamic sections here. */
3687 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
3688 struct bfd_link_info *info,
3689 struct elf_link_hash_entry *h,
3690 Elf_Internal_Sym *sym)
3693 struct _bfd_sparc_elf_link_hash_table *htab;
3694 const struct elf_backend_data *bed;
3696 htab = _bfd_sparc_elf_hash_table (info);
3697 dynobj = htab->elf.dynobj;
3698 bed = get_elf_backend_data (output_bfd);
3700 if (h->plt.offset != (bfd_vma) -1)
3704 Elf_Internal_Rela rela;
3706 bfd_vma r_offset, got_offset;
3709 /* This symbol has an entry in the PLT. Set it up. */
3711 BFD_ASSERT (h->dynindx != -1);
3714 srela = htab->srelplt;
3715 BFD_ASSERT (splt != NULL && srela != NULL);
3717 /* Fill in the entry in the .rela.plt section. */
3718 if (htab->is_vxworks)
3720 /* Work out the index of this PLT entry. */
3721 rela_index = ((h->plt.offset - htab->plt_header_size)
3722 / htab->plt_entry_size);
3724 /* Calculate the offset of the associated .got.plt entry.
3725 The first three entries are reserved. */
3726 got_offset = (rela_index + 3) * 4;
3728 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
3729 rela_index, got_offset);
3732 /* On VxWorks, the relocation points to the .got.plt entry,
3733 not the .plt entry. */
3734 rela.r_offset = (htab->sgotplt->output_section->vma
3735 + htab->sgotplt->output_offset
3741 /* Fill in the entry in the procedure linkage table. */
3742 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
3743 h->plt.offset, splt->size,
3746 rela.r_offset = r_offset
3747 + (splt->output_section->vma + splt->output_offset);
3748 if (! ABI_64_P (output_bfd)
3749 || h->plt.offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
3755 rela.r_addend = (-(h->plt.offset + 4)
3756 - splt->output_section->vma
3757 - splt->output_offset);
3760 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_JMP_SLOT);
3762 /* Adjust for the first 4 reserved elements in the .plt section
3763 when setting the offset in the .rela.plt section.
3764 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
3765 thus .plt[4] has corresponding .rela.plt[0] and so on. */
3767 loc = srela->contents;
3768 loc += rela_index * bed->s->sizeof_rela;
3769 bed->s->swap_reloca_out (output_bfd, &rela, loc);
3771 if (!h->def_regular)
3773 /* Mark the symbol as undefined, rather than as defined in
3774 the .plt section. Leave the value alone. */
3775 sym->st_shndx = SHN_UNDEF;
3776 /* If the symbol is weak, we do need to clear the value.
3777 Otherwise, the PLT entry would provide a definition for
3778 the symbol even if the symbol wasn't defined anywhere,
3779 and so the symbol would never be NULL. */
3780 if (!h->ref_regular_nonweak)
3785 if (h->got.offset != (bfd_vma) -1
3786 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
3787 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
3791 Elf_Internal_Rela rela;
3793 /* This symbol has an entry in the GOT. Set it up. */
3796 srela = htab->srelgot;
3797 BFD_ASSERT (sgot != NULL && srela != NULL);
3799 rela.r_offset = (sgot->output_section->vma
3800 + sgot->output_offset
3801 + (h->got.offset &~ (bfd_vma) 1));
3803 /* If this is a -Bsymbolic link, and the symbol is defined
3804 locally, we just want to emit a RELATIVE reloc. Likewise if
3805 the symbol was forced to be local because of a version file.
3806 The entry in the global offset table will already have been
3807 initialized in the relocate_section function. */
3809 && (info->symbolic || h->dynindx == -1)
3812 asection *sec = h->root.u.def.section;
3813 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
3814 rela.r_addend = (h->root.u.def.value
3815 + sec->output_section->vma
3816 + sec->output_offset);
3820 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
3824 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3825 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
3826 sparc_elf_append_rela (output_bfd, srela, &rela);
3832 Elf_Internal_Rela rela;
3834 /* This symbols needs a copy reloc. Set it up. */
3835 BFD_ASSERT (h->dynindx != -1);
3837 s = bfd_get_section_by_name (h->root.u.def.section->owner,
3839 BFD_ASSERT (s != NULL);
3841 rela.r_offset = (h->root.u.def.value
3842 + h->root.u.def.section->output_section->vma
3843 + h->root.u.def.section->output_offset);
3844 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
3846 sparc_elf_append_rela (output_bfd, s, &rela);
3849 /* Mark some specially defined symbols as absolute. On VxWorks,
3850 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
3851 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
3852 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
3853 || (!htab->is_vxworks
3854 && (h == htab->elf.hgot || h == htab->elf.hplt)))
3855 sym->st_shndx = SHN_ABS;
3860 /* Finish up the dynamic sections. */
3863 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
3864 bfd *dynobj, asection *sdyn,
3865 asection *splt ATTRIBUTE_UNUSED)
3867 struct _bfd_sparc_elf_link_hash_table *htab;
3868 const struct elf_backend_data *bed;
3869 bfd_byte *dyncon, *dynconend;
3871 int stt_regidx = -1;
3872 bfd_boolean abi_64_p;
3874 htab = _bfd_sparc_elf_hash_table (info);
3875 bed = get_elf_backend_data (output_bfd);
3876 dynsize = bed->s->sizeof_dyn;
3877 dynconend = sdyn->contents + sdyn->size;
3878 abi_64_p = ABI_64_P (output_bfd);
3879 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
3881 Elf_Internal_Dyn dyn;
3885 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
3887 if (htab->is_vxworks && dyn.d_tag == DT_RELASZ)
3889 /* On VxWorks, DT_RELASZ should not include the relocations
3893 dyn.d_un.d_val -= htab->srelplt->size;
3894 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
3897 else if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
3899 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
3900 not to the start of the PLT. */
3903 dyn.d_un.d_val = (htab->sgotplt->output_section->vma
3904 + htab->sgotplt->output_offset);
3905 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
3908 else if (htab->is_vxworks
3909 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
3910 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
3911 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
3913 if (stt_regidx == -1)
3916 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
3917 if (stt_regidx == -1)
3920 dyn.d_un.d_val = stt_regidx++;
3921 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
3927 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
3928 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
3929 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
3930 default: name = NULL; size = FALSE; break;
3937 s = bfd_get_section_by_name (output_bfd, name);
3943 dyn.d_un.d_ptr = s->vma;
3945 dyn.d_un.d_val = s->size;
3947 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
3954 /* Install the first PLT entry in a VxWorks executable and make sure that
3955 .rela.plt.unloaded relocations have the correct symbol indexes. */
3958 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
3960 struct _bfd_sparc_elf_link_hash_table *htab;
3961 Elf_Internal_Rela rela;
3965 htab = _bfd_sparc_elf_hash_table (info);
3967 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
3968 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
3969 + htab->elf.hgot->root.u.def.section->output_offset
3970 + htab->elf.hgot->root.u.def.value);
3972 /* Install the initial PLT entry. */
3973 bfd_put_32 (output_bfd,
3974 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
3975 htab->splt->contents);
3976 bfd_put_32 (output_bfd,
3977 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
3978 htab->splt->contents + 4);
3979 bfd_put_32 (output_bfd,
3980 sparc_vxworks_exec_plt0_entry[2],
3981 htab->splt->contents + 8);
3982 bfd_put_32 (output_bfd,
3983 sparc_vxworks_exec_plt0_entry[3],
3984 htab->splt->contents + 12);
3985 bfd_put_32 (output_bfd,
3986 sparc_vxworks_exec_plt0_entry[4],
3987 htab->splt->contents + 16);
3989 loc = htab->srelplt2->contents;
3991 /* Add an unloaded relocation for the initial entry's "sethi". */
3992 rela.r_offset = (htab->splt->output_section->vma
3993 + htab->splt->output_offset);
3994 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
3996 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3997 loc += sizeof (Elf32_External_Rela);
3999 /* Likewise the following "or". */
4001 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4002 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4003 loc += sizeof (Elf32_External_Rela);
4005 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4006 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4007 in which symbols were output. */
4008 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4010 Elf_Internal_Rela rel;
4012 /* The entry's initial "sethi" (against _G_O_T_). */
4013 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4014 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4015 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4016 loc += sizeof (Elf32_External_Rela);
4018 /* The following "or" (also against _G_O_T_). */
4019 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4020 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4021 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4022 loc += sizeof (Elf32_External_Rela);
4024 /* The .got.plt entry (against _P_L_T_). */
4025 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4026 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4027 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4028 loc += sizeof (Elf32_External_Rela);
4032 /* Install the first PLT entry in a VxWorks shared object. */
4035 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4037 struct _bfd_sparc_elf_link_hash_table *htab;
4040 htab = _bfd_sparc_elf_hash_table (info);
4041 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4042 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4043 htab->splt->contents + i * 4);
4047 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4051 struct _bfd_sparc_elf_link_hash_table *htab;
4053 htab = _bfd_sparc_elf_hash_table (info);
4054 dynobj = htab->elf.dynobj;
4056 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
4058 if (elf_hash_table (info)->dynamic_sections_created)
4062 splt = bfd_get_section_by_name (dynobj, ".plt");
4063 BFD_ASSERT (splt != NULL && sdyn != NULL);
4065 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4068 /* Initialize the contents of the .plt section. */
4071 if (htab->is_vxworks)
4074 sparc_vxworks_finish_shared_plt (output_bfd, info);
4076 sparc_vxworks_finish_exec_plt (output_bfd, info);
4080 memset (splt->contents, 0, htab->plt_header_size);
4081 if (!ABI_64_P (output_bfd))
4082 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4083 splt->contents + splt->size - 4);
4087 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4088 = (htab->is_vxworks || !ABI_64_P (output_bfd))
4089 ? 0 : htab->plt_entry_size;
4092 /* Set the first entry in the global offset table to the address of
4093 the dynamic section. */
4094 if (htab->sgot && htab->sgot->size > 0)
4096 bfd_vma val = (sdyn ?
4097 sdyn->output_section->vma + sdyn->output_offset :
4100 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->sgot->contents);
4104 elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize =
4105 SPARC_ELF_WORD_BYTES (htab);
4111 /* Set the right machine number for a SPARC ELF file. */
4114 _bfd_sparc_elf_object_p (bfd *abfd)
4116 if (ABI_64_P (abfd))
4118 unsigned long mach = bfd_mach_sparc_v9;
4120 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4121 mach = bfd_mach_sparc_v9b;
4122 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4123 mach = bfd_mach_sparc_v9a;
4124 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4128 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4130 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4131 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4132 bfd_mach_sparc_v8plusb);
4133 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4134 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4135 bfd_mach_sparc_v8plusa);
4136 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4137 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4138 bfd_mach_sparc_v8plus);
4142 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4143 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4144 bfd_mach_sparc_sparclite_le);
4146 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4150 /* Return address for Ith PLT stub in section PLT, for relocation REL
4151 or (bfd_vma) -1 if it should not be included. */
4154 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4156 if (ABI_64_P (plt->owner))
4160 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4161 if (i < PLT64_LARGE_THRESHOLD)
4162 return plt->vma + i * PLT64_ENTRY_SIZE;
4164 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4166 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4169 return rel->address;