1 /* SPARC-specific support for ELF
2 Copyright 2005, 2006, 2007, 2008, 2009, 2010 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_DATA)
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 *abfd, bfd_vma val, void *ptr)
538 bfd_put_32 (abfd, val, ptr);
542 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
544 bfd_put_64 (abfd, 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 rel_index ATTRIBUTE_UNUSED,
561 bfd_vma type ATTRIBUTE_UNUSED)
563 return ELF64_R_INFO (rel_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 rel_index, bfd_vma type)
573 return ELF32_R_INFO (rel_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 plt_index = (offset / PLT64_ENTRY_SIZE);
647 sethi = 0x03000000 | (plt_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 plt_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);
724 return plt_index - 4;
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),
885 return &ret->elf.root;
888 /* Create .got and .rela.got sections in DYNOBJ, and set up
889 shortcuts to them in our hash table. */
892 create_got_section (bfd *dynobj, struct bfd_link_info *info)
894 struct _bfd_sparc_elf_link_hash_table *htab;
896 if (! _bfd_elf_create_got_section (dynobj, info))
899 htab = _bfd_sparc_elf_hash_table (info);
900 BFD_ASSERT (htab != NULL);
902 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
903 BFD_ASSERT (htab->sgot != NULL);
905 htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
906 if (htab->srelgot == NULL
907 || ! bfd_set_section_alignment (dynobj, htab->srelgot,
908 htab->word_align_power))
911 if (htab->is_vxworks)
913 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
921 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
922 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
926 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
927 struct bfd_link_info *info)
929 struct _bfd_sparc_elf_link_hash_table *htab;
931 htab = _bfd_sparc_elf_hash_table (info);
932 BFD_ASSERT (htab != NULL);
934 if (!htab->sgot && !create_got_section (dynobj, info))
937 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
940 htab->splt = bfd_get_section_by_name (dynobj, ".plt");
941 htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt");
942 htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
944 htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
946 if (htab->is_vxworks)
948 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
952 htab->plt_header_size
953 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
955 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
959 htab->plt_header_size
960 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
962 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
967 if (ABI_64_P (dynobj))
969 htab->build_plt_entry = sparc64_plt_entry_build;
970 htab->plt_header_size = PLT64_HEADER_SIZE;
971 htab->plt_entry_size = PLT64_ENTRY_SIZE;
975 htab->build_plt_entry = sparc32_plt_entry_build;
976 htab->plt_header_size = PLT32_HEADER_SIZE;
977 htab->plt_entry_size = PLT32_ENTRY_SIZE;
981 if (!htab->splt || !htab->srelplt || !htab->sdynbss
982 || (!info->shared && !htab->srelbss))
988 /* Copy the extra info we tack onto an elf_link_hash_entry. */
991 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
992 struct elf_link_hash_entry *dir,
993 struct elf_link_hash_entry *ind)
995 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
997 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
998 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1000 if (eind->dyn_relocs != NULL)
1002 if (edir->dyn_relocs != NULL)
1004 struct _bfd_sparc_elf_dyn_relocs **pp;
1005 struct _bfd_sparc_elf_dyn_relocs *p;
1007 /* Add reloc counts against the indirect sym to the direct sym
1008 list. Merge any entries against the same section. */
1009 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1011 struct _bfd_sparc_elf_dyn_relocs *q;
1013 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1014 if (q->sec == p->sec)
1016 q->pc_count += p->pc_count;
1017 q->count += p->count;
1024 *pp = edir->dyn_relocs;
1027 edir->dyn_relocs = eind->dyn_relocs;
1028 eind->dyn_relocs = NULL;
1031 if (ind->root.type == bfd_link_hash_indirect
1032 && dir->got.refcount <= 0)
1034 edir->tls_type = eind->tls_type;
1035 eind->tls_type = GOT_UNKNOWN;
1037 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1041 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1042 int r_type, int is_local)
1044 if (! ABI_64_P (abfd)
1045 && r_type == R_SPARC_TLS_GD_HI22
1046 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1047 r_type = R_SPARC_REV32;
1054 case R_SPARC_TLS_GD_HI22:
1056 return R_SPARC_TLS_LE_HIX22;
1057 return R_SPARC_TLS_IE_HI22;
1058 case R_SPARC_TLS_GD_LO10:
1060 return R_SPARC_TLS_LE_LOX10;
1061 return R_SPARC_TLS_IE_LO10;
1062 case R_SPARC_TLS_IE_HI22:
1064 return R_SPARC_TLS_LE_HIX22;
1066 case R_SPARC_TLS_IE_LO10:
1068 return R_SPARC_TLS_LE_LOX10;
1070 case R_SPARC_TLS_LDM_HI22:
1071 return R_SPARC_TLS_LE_HIX22;
1072 case R_SPARC_TLS_LDM_LO10:
1073 return R_SPARC_TLS_LE_LOX10;
1079 /* Look through the relocs for a section during the first phase, and
1080 allocate space in the global offset table or procedure linkage
1084 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1085 asection *sec, const Elf_Internal_Rela *relocs)
1087 struct _bfd_sparc_elf_link_hash_table *htab;
1088 Elf_Internal_Shdr *symtab_hdr;
1089 struct elf_link_hash_entry **sym_hashes;
1090 bfd_vma *local_got_offsets;
1091 const Elf_Internal_Rela *rel;
1092 const Elf_Internal_Rela *rel_end;
1095 bfd_boolean checked_tlsgd = FALSE;
1097 if (info->relocatable)
1100 htab = _bfd_sparc_elf_hash_table (info);
1101 BFD_ASSERT (htab != NULL);
1102 symtab_hdr = &elf_symtab_hdr (abfd);
1103 sym_hashes = elf_sym_hashes (abfd);
1104 local_got_offsets = elf_local_got_offsets (abfd);
1108 if (ABI_64_P (abfd))
1109 num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (sec)->rel_hdr);
1111 num_relocs = sec->reloc_count;
1113 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1115 rel_end = relocs + num_relocs;
1116 for (rel = relocs; rel < rel_end; rel++)
1118 unsigned int r_type;
1119 unsigned long r_symndx;
1120 struct elf_link_hash_entry *h;
1122 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1123 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1125 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1127 (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
1132 if (r_symndx < symtab_hdr->sh_info)
1136 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1137 while (h->root.type == bfd_link_hash_indirect
1138 || h->root.type == bfd_link_hash_warning)
1139 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1142 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1143 with R_SPARC_TLS_GD_HI22. */
1144 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1147 case R_SPARC_TLS_GD_HI22:
1149 const Elf_Internal_Rela *relt;
1151 for (relt = rel + 1; relt < rel_end; relt++)
1152 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1153 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1154 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1156 checked_tlsgd = TRUE;
1157 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1160 case R_SPARC_TLS_GD_LO10:
1161 case R_SPARC_TLS_GD_ADD:
1162 case R_SPARC_TLS_GD_CALL:
1163 checked_tlsgd = TRUE;
1164 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1168 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1171 case R_SPARC_TLS_LDM_HI22:
1172 case R_SPARC_TLS_LDM_LO10:
1173 htab->tls_ldm_got.refcount += 1;
1176 case R_SPARC_TLS_LE_HIX22:
1177 case R_SPARC_TLS_LE_LOX10:
1182 case R_SPARC_TLS_IE_HI22:
1183 case R_SPARC_TLS_IE_LO10:
1185 info->flags |= DF_STATIC_TLS;
1191 case R_SPARC_GOTDATA_HIX22:
1192 case R_SPARC_GOTDATA_LOX10:
1193 case R_SPARC_GOTDATA_OP_HIX22:
1194 case R_SPARC_GOTDATA_OP_LOX10:
1195 case R_SPARC_TLS_GD_HI22:
1196 case R_SPARC_TLS_GD_LO10:
1197 /* This symbol requires a global offset table entry. */
1199 int tls_type, old_tls_type;
1207 case R_SPARC_GOTDATA_HIX22:
1208 case R_SPARC_GOTDATA_LOX10:
1209 case R_SPARC_GOTDATA_OP_HIX22:
1210 case R_SPARC_GOTDATA_OP_LOX10:
1211 tls_type = GOT_NORMAL;
1213 case R_SPARC_TLS_GD_HI22:
1214 case R_SPARC_TLS_GD_LO10:
1215 tls_type = GOT_TLS_GD;
1217 case R_SPARC_TLS_IE_HI22:
1218 case R_SPARC_TLS_IE_LO10:
1219 tls_type = GOT_TLS_IE;
1225 h->got.refcount += 1;
1226 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1230 bfd_signed_vma *local_got_refcounts;
1232 /* This is a global offset table entry for a local symbol. */
1233 local_got_refcounts = elf_local_got_refcounts (abfd);
1234 if (local_got_refcounts == NULL)
1238 size = symtab_hdr->sh_info;
1239 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1240 local_got_refcounts = ((bfd_signed_vma *)
1241 bfd_zalloc (abfd, size));
1242 if (local_got_refcounts == NULL)
1244 elf_local_got_refcounts (abfd) = local_got_refcounts;
1245 _bfd_sparc_elf_local_got_tls_type (abfd)
1246 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1248 local_got_refcounts[r_symndx] += 1;
1249 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1252 /* If a TLS symbol is accessed using IE at least once,
1253 there is no point to use dynamic model for it. */
1254 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1255 && (old_tls_type != GOT_TLS_GD
1256 || tls_type != GOT_TLS_IE))
1258 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1259 tls_type = old_tls_type;
1262 (*_bfd_error_handler)
1263 (_("%B: `%s' accessed both as normal and thread local symbol"),
1264 abfd, h ? h->root.root.string : "<local>");
1269 if (old_tls_type != tls_type)
1272 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1274 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1278 if (htab->sgot == NULL)
1280 if (htab->elf.dynobj == NULL)
1281 htab->elf.dynobj = abfd;
1282 if (!create_got_section (htab->elf.dynobj, info))
1287 case R_SPARC_TLS_GD_CALL:
1288 case R_SPARC_TLS_LDM_CALL:
1291 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1293 struct bfd_link_hash_entry *bh = NULL;
1294 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1295 "__tls_get_addr", 0,
1296 bfd_und_section_ptr, 0,
1300 h = (struct elf_link_hash_entry *) bh;
1307 case R_SPARC_WPLT30:
1308 case R_SPARC_HIPLT22:
1309 case R_SPARC_LOPLT10:
1310 case R_SPARC_PCPLT32:
1311 case R_SPARC_PCPLT22:
1312 case R_SPARC_PCPLT10:
1314 /* This symbol requires a procedure linkage table entry. We
1315 actually build the entry in adjust_dynamic_symbol,
1316 because this might be a case of linking PIC code without
1317 linking in any dynamic objects, in which case we don't
1318 need to generate a procedure linkage table after all. */
1322 if (! ABI_64_P (abfd))
1324 /* The Solaris native assembler will generate a WPLT30
1325 reloc for a local symbol if you assemble a call from
1326 one section to another when using -K pic. We treat
1328 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1332 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1333 else if (r_type == R_SPARC_WPLT30)
1336 /* It does not make sense to have a procedure linkage
1337 table entry for a local symbol. */
1338 bfd_set_error (bfd_error_bad_value);
1347 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1348 if (this_r_type == R_SPARC_PLT32
1349 || this_r_type == R_SPARC_PLT64)
1352 h->plt.refcount += 1;
1357 case R_SPARC_PC_HH22:
1358 case R_SPARC_PC_HM10:
1359 case R_SPARC_PC_LM22:
1364 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1369 case R_SPARC_DISP16:
1370 case R_SPARC_DISP32:
1371 case R_SPARC_DISP64:
1372 case R_SPARC_WDISP30:
1373 case R_SPARC_WDISP22:
1374 case R_SPARC_WDISP19:
1375 case R_SPARC_WDISP16:
1405 if (h != NULL && !info->shared)
1407 /* We may need a .plt entry if the function this reloc
1408 refers to is in a shared lib. */
1409 h->plt.refcount += 1;
1412 /* If we are creating a shared library, and this is a reloc
1413 against a global symbol, or a non PC relative reloc
1414 against a local symbol, then we need to copy the reloc
1415 into the shared library. However, if we are linking with
1416 -Bsymbolic, we do not need to copy a reloc against a
1417 global symbol which is defined in an object we are
1418 including in the link (i.e., DEF_REGULAR is set). At
1419 this point we have not seen all the input files, so it is
1420 possible that DEF_REGULAR is not set now but will be set
1421 later (it is never cleared). In case of a weak definition,
1422 DEF_REGULAR may be cleared later by a strong definition in
1423 a shared library. We account for that possibility below by
1424 storing information in the relocs_copied field of the hash
1425 table entry. A similar situation occurs when creating
1426 shared libraries and symbol visibility changes render the
1429 If on the other hand, we are creating an executable, we
1430 may need to keep relocations for symbols satisfied by a
1431 dynamic library if we manage to avoid copy relocs for the
1434 && (sec->flags & SEC_ALLOC) != 0
1435 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1437 && (! info->symbolic
1438 || h->root.type == bfd_link_hash_defweak
1439 || !h->def_regular))))
1441 && (sec->flags & SEC_ALLOC) != 0
1443 && (h->root.type == bfd_link_hash_defweak
1444 || !h->def_regular)))
1446 struct _bfd_sparc_elf_dyn_relocs *p;
1447 struct _bfd_sparc_elf_dyn_relocs **head;
1449 /* When creating a shared object, we must copy these
1450 relocs into the output file. We create a reloc
1451 section in dynobj and make room for the reloc. */
1454 if (htab->elf.dynobj == NULL)
1455 htab->elf.dynobj = abfd;
1457 sreloc = _bfd_elf_make_dynamic_reloc_section
1458 (sec, htab->elf.dynobj, htab->word_align_power,
1459 abfd, /*rela?*/ TRUE);
1465 /* If this is a global symbol, we count the number of
1466 relocations we need for this symbol. */
1468 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1471 /* Track dynamic relocs needed for local syms too.
1472 We really need local syms available to do this
1476 Elf_Internal_Sym *isym;
1478 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1483 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1487 vpp = &elf_section_data (s)->local_dynrel;
1488 head = (struct _bfd_sparc_elf_dyn_relocs **) vpp;
1492 if (p == NULL || p->sec != sec)
1494 bfd_size_type amt = sizeof *p;
1495 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1496 bfd_alloc (htab->elf.dynobj, amt));
1507 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1513 case R_SPARC_GNU_VTINHERIT:
1514 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1518 case R_SPARC_GNU_VTENTRY:
1519 BFD_ASSERT (h != NULL);
1521 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1525 case R_SPARC_REGISTER:
1526 /* Nothing to do. */
1538 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1539 struct bfd_link_info *info,
1540 Elf_Internal_Rela *rel,
1541 struct elf_link_hash_entry *h,
1542 Elf_Internal_Sym *sym)
1545 switch (SPARC_ELF_R_TYPE (rel->r_info))
1547 case R_SPARC_GNU_VTINHERIT:
1548 case R_SPARC_GNU_VTENTRY:
1552 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1555 /* Update the got entry reference counts for the section being removed. */
1557 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1558 asection *sec, const Elf_Internal_Rela *relocs)
1560 struct _bfd_sparc_elf_link_hash_table *htab;
1561 Elf_Internal_Shdr *symtab_hdr;
1562 struct elf_link_hash_entry **sym_hashes;
1563 bfd_signed_vma *local_got_refcounts;
1564 const Elf_Internal_Rela *rel, *relend;
1566 if (info->relocatable)
1569 BFD_ASSERT (is_sparc_elf (abfd) || sec->reloc_count == 0);
1571 elf_section_data (sec)->local_dynrel = NULL;
1573 htab = _bfd_sparc_elf_hash_table (info);
1574 BFD_ASSERT (htab != NULL);
1575 symtab_hdr = &elf_symtab_hdr (abfd);
1576 sym_hashes = elf_sym_hashes (abfd);
1577 local_got_refcounts = elf_local_got_refcounts (abfd);
1579 relend = relocs + sec->reloc_count;
1580 for (rel = relocs; rel < relend; rel++)
1582 unsigned long r_symndx;
1583 unsigned int r_type;
1584 struct elf_link_hash_entry *h = NULL;
1586 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1587 if (r_symndx >= symtab_hdr->sh_info)
1589 struct _bfd_sparc_elf_link_hash_entry *eh;
1590 struct _bfd_sparc_elf_dyn_relocs **pp;
1591 struct _bfd_sparc_elf_dyn_relocs *p;
1593 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1594 while (h->root.type == bfd_link_hash_indirect
1595 || h->root.type == bfd_link_hash_warning)
1596 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1597 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1598 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1601 /* Everything must go for SEC. */
1607 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1608 r_type = sparc_elf_tls_transition (info, abfd, r_type, h != NULL);
1611 case R_SPARC_TLS_LDM_HI22:
1612 case R_SPARC_TLS_LDM_LO10:
1613 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
1614 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
1617 case R_SPARC_TLS_GD_HI22:
1618 case R_SPARC_TLS_GD_LO10:
1619 case R_SPARC_TLS_IE_HI22:
1620 case R_SPARC_TLS_IE_LO10:
1624 case R_SPARC_GOTDATA_HIX22:
1625 case R_SPARC_GOTDATA_LOX10:
1626 case R_SPARC_GOTDATA_OP_HIX22:
1627 case R_SPARC_GOTDATA_OP_LOX10:
1630 if (h->got.refcount > 0)
1635 if (local_got_refcounts[r_symndx] > 0)
1636 local_got_refcounts[r_symndx]--;
1642 case R_SPARC_PC_HH22:
1643 case R_SPARC_PC_HM10:
1644 case R_SPARC_PC_LM22:
1646 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1651 case R_SPARC_DISP16:
1652 case R_SPARC_DISP32:
1653 case R_SPARC_DISP64:
1654 case R_SPARC_WDISP30:
1655 case R_SPARC_WDISP22:
1656 case R_SPARC_WDISP19:
1657 case R_SPARC_WDISP16:
1688 case R_SPARC_WPLT30:
1691 if (h->plt.refcount > 0)
1704 /* Adjust a symbol defined by a dynamic object and referenced by a
1705 regular object. The current definition is in some section of the
1706 dynamic object, but we're not including those sections. We have to
1707 change the definition to something the rest of the link can
1711 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1712 struct elf_link_hash_entry *h)
1714 struct _bfd_sparc_elf_link_hash_table *htab;
1715 struct _bfd_sparc_elf_link_hash_entry * eh;
1716 struct _bfd_sparc_elf_dyn_relocs *p;
1719 htab = _bfd_sparc_elf_hash_table (info);
1720 BFD_ASSERT (htab != NULL);
1722 /* Make sure we know what is going on here. */
1723 BFD_ASSERT (htab->elf.dynobj != NULL
1725 || h->u.weakdef != NULL
1728 && !h->def_regular)));
1730 /* If this is a function, put it in the procedure linkage table. We
1731 will fill in the contents of the procedure linkage table later
1732 (although we could actually do it here). The STT_NOTYPE
1733 condition is a hack specifically for the Oracle libraries
1734 delivered for Solaris; for some inexplicable reason, they define
1735 some of their functions as STT_NOTYPE when they really should be
1737 if (h->type == STT_FUNC
1739 || (h->type == STT_NOTYPE
1740 && (h->root.type == bfd_link_hash_defined
1741 || h->root.type == bfd_link_hash_defweak)
1742 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1744 if (h->plt.refcount <= 0
1748 && h->root.type != bfd_link_hash_undefweak
1749 && h->root.type != bfd_link_hash_undefined))
1751 /* This case can occur if we saw a WPLT30 reloc in an input
1752 file, but the symbol was never referred to by a dynamic
1753 object, or if all references were garbage collected. In
1754 such a case, we don't actually need to build a procedure
1755 linkage table, and we can just do a WDISP30 reloc instead. */
1756 h->plt.offset = (bfd_vma) -1;
1763 h->plt.offset = (bfd_vma) -1;
1765 /* If this is a weak symbol, and there is a real definition, the
1766 processor independent code will have arranged for us to see the
1767 real definition first, and we can just use the same value. */
1768 if (h->u.weakdef != NULL)
1770 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
1771 || h->u.weakdef->root.type == bfd_link_hash_defweak);
1772 h->root.u.def.section = h->u.weakdef->root.u.def.section;
1773 h->root.u.def.value = h->u.weakdef->root.u.def.value;
1777 /* This is a reference to a symbol defined by a dynamic object which
1778 is not a function. */
1780 /* If we are creating a shared library, we must presume that the
1781 only references to the symbol are via the global offset table.
1782 For such cases we need not do anything here; the relocations will
1783 be handled correctly by relocate_section. */
1787 /* If there are no references to this symbol that do not use the
1788 GOT, we don't need to generate a copy reloc. */
1789 if (!h->non_got_ref)
1792 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1793 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1795 s = p->sec->output_section;
1796 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1800 /* If we didn't find any dynamic relocs in read-only sections, then
1801 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1810 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
1811 h->root.root.string);
1815 /* We must allocate the symbol in our .dynbss section, which will
1816 become part of the .bss section of the executable. There will be
1817 an entry for this symbol in the .dynsym section. The dynamic
1818 object will contain position independent code, so all references
1819 from the dynamic object to this symbol will go through the global
1820 offset table. The dynamic linker will use the .dynsym entry to
1821 determine the address it must put in the global offset table, so
1822 both the dynamic object and the regular object will refer to the
1823 same memory location for the variable. */
1825 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
1826 to copy the initial value out of the dynamic object and into the
1827 runtime process image. We need to remember the offset into the
1828 .rel.bss section we are going to use. */
1829 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
1831 htab->srelbss->size += SPARC_ELF_RELA_BYTES (htab);
1837 return _bfd_elf_adjust_dynamic_copy (h, s);
1840 /* Allocate space in .plt, .got and associated reloc sections for
1844 allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
1846 struct bfd_link_info *info;
1847 struct _bfd_sparc_elf_link_hash_table *htab;
1848 struct _bfd_sparc_elf_link_hash_entry *eh;
1849 struct _bfd_sparc_elf_dyn_relocs *p;
1851 if (h->root.type == bfd_link_hash_indirect)
1854 if (h->root.type == bfd_link_hash_warning)
1855 /* When warning symbols are created, they **replace** the "real"
1856 entry in the hash table, thus we never get to see the real
1857 symbol in a hash traversal. So look at it now. */
1858 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1860 info = (struct bfd_link_info *) inf;
1861 htab = _bfd_sparc_elf_hash_table (info);
1862 BFD_ASSERT (htab != NULL);
1864 if (htab->elf.dynamic_sections_created
1865 && h->plt.refcount > 0)
1867 /* Make sure this symbol is output as a dynamic symbol.
1868 Undefined weak syms won't yet be marked as dynamic. */
1869 if (h->dynindx == -1
1870 && !h->forced_local)
1872 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1876 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
1878 asection *s = htab->splt;
1880 /* Allocate room for the header. */
1883 s->size = htab->plt_header_size;
1885 /* Allocate space for the .rela.plt.unloaded relocations. */
1886 if (htab->is_vxworks && !info->shared)
1887 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
1890 /* The procedure linkage table size is bounded by the magnitude
1891 of the offset we can describe in the entry. */
1892 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
1893 (((bfd_vma)1 << 31) << 1) : 0x400000))
1895 bfd_set_error (bfd_error_bad_value);
1899 if (SPARC_ELF_WORD_BYTES(htab) == 8
1900 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
1902 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
1905 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
1907 h->plt.offset = (s->size - (off * 8));
1910 h->plt.offset = s->size;
1912 /* If this symbol is not defined in a regular file, and we are
1913 not generating a shared library, then set the symbol to this
1914 location in the .plt. This is required to make function
1915 pointers compare as equal between the normal executable and
1916 the shared library. */
1920 h->root.u.def.section = s;
1921 h->root.u.def.value = h->plt.offset;
1924 /* Make room for this entry. */
1925 s->size += htab->plt_entry_size;
1927 /* We also need to make an entry in the .rela.plt section. */
1928 htab->srelplt->size += SPARC_ELF_RELA_BYTES (htab);
1930 if (htab->is_vxworks)
1932 /* Allocate space for the .got.plt entry. */
1933 htab->sgotplt->size += 4;
1935 /* ...and for the .rela.plt.unloaded relocations. */
1937 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
1942 h->plt.offset = (bfd_vma) -1;
1948 h->plt.offset = (bfd_vma) -1;
1952 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
1953 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
1954 if (h->got.refcount > 0
1957 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
1958 h->got.offset = (bfd_vma) -1;
1959 else if (h->got.refcount > 0)
1963 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1965 /* Make sure this symbol is output as a dynamic symbol.
1966 Undefined weak syms won't yet be marked as dynamic. */
1967 if (h->dynindx == -1
1968 && !h->forced_local)
1970 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1975 h->got.offset = s->size;
1976 s->size += SPARC_ELF_WORD_BYTES (htab);
1977 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
1978 if (tls_type == GOT_TLS_GD)
1979 s->size += SPARC_ELF_WORD_BYTES (htab);
1980 dyn = htab->elf.dynamic_sections_created;
1981 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
1982 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
1984 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
1985 || tls_type == GOT_TLS_IE)
1986 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
1987 else if (tls_type == GOT_TLS_GD)
1988 htab->srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
1989 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
1990 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
1993 h->got.offset = (bfd_vma) -1;
1995 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1996 if (eh->dyn_relocs == NULL)
1999 /* In the shared -Bsymbolic case, discard space allocated for
2000 dynamic pc-relative relocs against symbols which turn out to be
2001 defined in regular objects. For the normal shared case, discard
2002 space for pc-relative relocs that have become local due to symbol
2003 visibility changes. */
2011 struct _bfd_sparc_elf_dyn_relocs **pp;
2013 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2015 p->count -= p->pc_count;
2024 if (htab->is_vxworks)
2026 struct _bfd_sparc_elf_dyn_relocs **pp;
2028 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2030 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2037 /* Also discard relocs on undefined weak syms with non-default
2039 if (eh->dyn_relocs != NULL
2040 && h->root.type == bfd_link_hash_undefweak)
2042 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2043 eh->dyn_relocs = NULL;
2045 /* Make sure undefined weak symbols are output as a dynamic
2047 else if (h->dynindx == -1
2048 && !h->forced_local)
2050 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2057 /* For the non-shared case, discard space for relocs against
2058 symbols which turn out to need copy relocs or are not
2064 || (htab->elf.dynamic_sections_created
2065 && (h->root.type == bfd_link_hash_undefweak
2066 || h->root.type == bfd_link_hash_undefined))))
2068 /* Make sure this symbol is output as a dynamic symbol.
2069 Undefined weak syms won't yet be marked as dynamic. */
2070 if (h->dynindx == -1
2071 && !h->forced_local)
2073 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2077 /* If that succeeded, we know we'll be keeping all the
2079 if (h->dynindx != -1)
2083 eh->dyn_relocs = NULL;
2088 /* Finally, allocate space. */
2089 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2091 asection *sreloc = elf_section_data (p->sec)->sreloc;
2092 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2098 /* Find any dynamic relocs that apply to read-only sections. */
2101 readonly_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
2103 struct _bfd_sparc_elf_link_hash_entry *eh;
2104 struct _bfd_sparc_elf_dyn_relocs *p;
2106 if (h->root.type == bfd_link_hash_warning)
2107 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2109 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2110 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2112 asection *s = p->sec->output_section;
2114 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2116 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2118 info->flags |= DF_TEXTREL;
2120 /* Not an error, just cut short the traversal. */
2127 /* Return true if the dynamic symbol for a given section should be
2128 omitted when creating a shared library. */
2131 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2132 struct bfd_link_info *info,
2135 /* We keep the .got section symbol so that explicit relocations
2136 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2137 can be turned into relocations against the .got symbol. */
2138 if (strcmp (p->name, ".got") == 0)
2141 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2144 /* Set the sizes of the dynamic sections. */
2147 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2148 struct bfd_link_info *info)
2150 struct _bfd_sparc_elf_link_hash_table *htab;
2155 htab = _bfd_sparc_elf_hash_table (info);
2156 BFD_ASSERT (htab != NULL);
2157 dynobj = htab->elf.dynobj;
2158 BFD_ASSERT (dynobj != NULL);
2160 if (elf_hash_table (info)->dynamic_sections_created)
2162 /* Set the contents of the .interp section to the interpreter. */
2163 if (info->executable)
2165 s = bfd_get_section_by_name (dynobj, ".interp");
2166 BFD_ASSERT (s != NULL);
2167 s->size = htab->dynamic_interpreter_size;
2168 s->contents = (unsigned char *) htab->dynamic_interpreter;
2172 /* Set up .got offsets for local syms, and space for local dynamic
2174 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
2176 bfd_signed_vma *local_got;
2177 bfd_signed_vma *end_local_got;
2178 char *local_tls_type;
2179 bfd_size_type locsymcount;
2180 Elf_Internal_Shdr *symtab_hdr;
2183 if (! is_sparc_elf (ibfd))
2186 for (s = ibfd->sections; s != NULL; s = s->next)
2188 struct _bfd_sparc_elf_dyn_relocs *p;
2190 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2192 if (!bfd_is_abs_section (p->sec)
2193 && bfd_is_abs_section (p->sec->output_section))
2195 /* Input section has been discarded, either because
2196 it is a copy of a linkonce section or due to
2197 linker script /DISCARD/, so we'll be discarding
2200 else if (htab->is_vxworks
2201 && strcmp (p->sec->output_section->name,
2204 /* Relocations in vxworks .tls_vars sections are
2205 handled specially by the loader. */
2207 else if (p->count != 0)
2209 srel = elf_section_data (p->sec)->sreloc;
2210 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2211 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2212 info->flags |= DF_TEXTREL;
2217 local_got = elf_local_got_refcounts (ibfd);
2221 symtab_hdr = &elf_symtab_hdr (ibfd);
2222 locsymcount = symtab_hdr->sh_info;
2223 end_local_got = local_got + locsymcount;
2224 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2226 srel = htab->srelgot;
2227 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2231 *local_got = s->size;
2232 s->size += SPARC_ELF_WORD_BYTES (htab);
2233 if (*local_tls_type == GOT_TLS_GD)
2234 s->size += SPARC_ELF_WORD_BYTES (htab);
2236 || *local_tls_type == GOT_TLS_GD
2237 || *local_tls_type == GOT_TLS_IE)
2238 srel->size += SPARC_ELF_RELA_BYTES (htab);
2241 *local_got = (bfd_vma) -1;
2245 if (htab->tls_ldm_got.refcount > 0)
2247 /* Allocate 2 got entries and 1 dynamic reloc for
2248 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2249 htab->tls_ldm_got.offset = htab->sgot->size;
2250 htab->sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2251 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2254 htab->tls_ldm_got.offset = -1;
2256 /* Allocate global sym .plt and .got entries, and space for global
2257 sym dynamic relocs. */
2258 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
2260 if (! ABI_64_P (output_bfd)
2261 && !htab->is_vxworks
2262 && elf_hash_table (info)->dynamic_sections_created)
2264 /* Make space for the trailing nop in .plt. */
2265 if (htab->splt->size > 0)
2266 htab->splt->size += 1 * SPARC_INSN_BYTES;
2268 /* If the .got section is more than 0x1000 bytes, we add
2269 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2270 bit relocations have a greater chance of working.
2272 FIXME: Make this optimization work for 64-bit too. */
2273 if (htab->sgot->size >= 0x1000
2274 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2275 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2278 /* The check_relocs and adjust_dynamic_symbol entry points have
2279 determined the sizes of the various dynamic sections. Allocate
2281 for (s = dynobj->sections; s != NULL; s = s->next)
2283 if ((s->flags & SEC_LINKER_CREATED) == 0)
2288 || s == htab->sdynbss
2289 || s == htab->sgotplt)
2291 /* Strip this section if we don't need it; see the
2294 else if (CONST_STRNEQ (s->name, ".rela"))
2298 /* We use the reloc_count field as a counter if we need
2299 to copy relocs into the output file. */
2305 /* It's not one of our sections. */
2311 /* If we don't need this section, strip it from the
2312 output file. This is mostly to handle .rela.bss and
2313 .rela.plt. We must create both sections in
2314 create_dynamic_sections, because they must be created
2315 before the linker maps input sections to output
2316 sections. The linker does that before
2317 adjust_dynamic_symbol is called, and it is that
2318 function which decides whether anything needs to go
2319 into these sections. */
2320 s->flags |= SEC_EXCLUDE;
2324 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2327 /* Allocate memory for the section contents. Zero the memory
2328 for the benefit of .rela.plt, which has 4 unused entries
2329 at the beginning, and we don't want garbage. */
2330 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2331 if (s->contents == NULL)
2335 if (elf_hash_table (info)->dynamic_sections_created)
2337 /* Add some entries to the .dynamic section. We fill in the
2338 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2339 must add the entries now so that we get the correct size for
2340 the .dynamic section. The DT_DEBUG entry is filled in by the
2341 dynamic linker and used by the debugger. */
2342 #define add_dynamic_entry(TAG, VAL) \
2343 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2345 if (info->executable)
2347 if (!add_dynamic_entry (DT_DEBUG, 0))
2351 if (htab->srelplt->size != 0)
2353 if (!add_dynamic_entry (DT_PLTGOT, 0)
2354 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2355 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2356 || !add_dynamic_entry (DT_JMPREL, 0))
2360 if (!add_dynamic_entry (DT_RELA, 0)
2361 || !add_dynamic_entry (DT_RELASZ, 0)
2362 || !add_dynamic_entry (DT_RELAENT,
2363 SPARC_ELF_RELA_BYTES (htab)))
2366 /* If any dynamic relocs apply to a read-only section,
2367 then we need a DT_TEXTREL entry. */
2368 if ((info->flags & DF_TEXTREL) == 0)
2369 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
2372 if (info->flags & DF_TEXTREL)
2374 if (!add_dynamic_entry (DT_TEXTREL, 0))
2378 if (ABI_64_P (output_bfd))
2381 struct _bfd_sparc_elf_app_reg * app_regs;
2382 struct elf_strtab_hash *dynstr;
2383 struct elf_link_hash_table *eht = elf_hash_table (info);
2385 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2386 entries if needed. */
2387 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2388 dynstr = eht->dynstr;
2390 for (reg = 0; reg < 4; reg++)
2391 if (app_regs [reg].name != NULL)
2393 struct elf_link_local_dynamic_entry *entry, *e;
2395 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2398 entry = (struct elf_link_local_dynamic_entry *)
2399 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2403 /* We cheat here a little bit: the symbol will not be local, so we
2404 put it at the end of the dynlocal linked list. We will fix it
2405 later on, as we have to fix other fields anyway. */
2406 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2407 entry->isym.st_size = 0;
2408 if (*app_regs [reg].name != '\0')
2410 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2412 entry->isym.st_name = 0;
2413 entry->isym.st_other = 0;
2414 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2416 entry->isym.st_shndx = app_regs [reg].shndx;
2418 entry->input_bfd = output_bfd;
2419 entry->input_indx = -1;
2421 if (eht->dynlocal == NULL)
2422 eht->dynlocal = entry;
2425 for (e = eht->dynlocal; e->next; e = e->next)
2432 if (htab->is_vxworks
2433 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2436 #undef add_dynamic_entry
2442 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2444 if (!sec->used_by_bfd)
2446 struct _bfd_sparc_elf_section_data *sdata;
2447 bfd_size_type amt = sizeof (*sdata);
2449 sdata = bfd_zalloc (abfd, amt);
2452 sec->used_by_bfd = sdata;
2455 return _bfd_elf_new_section_hook (abfd, sec);
2459 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2460 struct bfd_section *section,
2461 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2464 if (link_info->relocatable)
2465 (*link_info->callbacks->einfo)
2466 (_("%P%F: --relax and -r may not be used together\n"));
2469 sec_do_relax (section) = 1;
2473 /* Return the base VMA address which should be subtracted from real addresses
2474 when resolving @dtpoff relocation.
2475 This is PT_TLS segment p_vaddr. */
2478 dtpoff_base (struct bfd_link_info *info)
2480 /* If tls_sec is NULL, we should have signalled an error already. */
2481 if (elf_hash_table (info)->tls_sec == NULL)
2483 return elf_hash_table (info)->tls_sec->vma;
2486 /* Return the relocation value for @tpoff relocation
2487 if STT_TLS virtual address is ADDRESS. */
2490 tpoff (struct bfd_link_info *info, bfd_vma address)
2492 struct elf_link_hash_table *htab = elf_hash_table (info);
2494 /* If tls_sec is NULL, we should have signalled an error already. */
2495 if (htab->tls_sec == NULL)
2497 return address - htab->tls_size - htab->tls_sec->vma;
2500 /* Relocate a SPARC ELF section. */
2503 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2504 struct bfd_link_info *info,
2506 asection *input_section,
2508 Elf_Internal_Rela *relocs,
2509 Elf_Internal_Sym *local_syms,
2510 asection **local_sections)
2512 struct _bfd_sparc_elf_link_hash_table *htab;
2513 Elf_Internal_Shdr *symtab_hdr;
2514 struct elf_link_hash_entry **sym_hashes;
2515 bfd_vma *local_got_offsets;
2518 Elf_Internal_Rela *rel;
2519 Elf_Internal_Rela *relend;
2521 bfd_boolean is_vxworks_tls;
2523 htab = _bfd_sparc_elf_hash_table (info);
2524 BFD_ASSERT (htab != NULL);
2525 symtab_hdr = &elf_symtab_hdr (input_bfd);
2526 sym_hashes = elf_sym_hashes (input_bfd);
2527 local_got_offsets = elf_local_got_offsets (input_bfd);
2529 if (elf_hash_table (info)->hgot == NULL)
2532 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2534 sreloc = elf_section_data (input_section)->sreloc;
2535 /* We have to handle relocations in vxworks .tls_vars sections
2536 specially, because the dynamic loader is 'weird'. */
2537 is_vxworks_tls = (htab->is_vxworks && info->shared
2538 && !strcmp (input_section->output_section->name,
2542 if (ABI_64_P (output_bfd))
2543 num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr);
2545 num_relocs = input_section->reloc_count;
2546 relend = relocs + num_relocs;
2547 for (; rel < relend; rel++)
2549 int r_type, tls_type;
2550 reloc_howto_type *howto;
2551 unsigned long r_symndx;
2552 struct elf_link_hash_entry *h;
2553 Elf_Internal_Sym *sym;
2555 bfd_vma relocation, off;
2556 bfd_reloc_status_type r;
2557 bfd_boolean is_plt = FALSE;
2558 bfd_boolean unresolved_reloc;
2560 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2561 if (r_type == R_SPARC_GNU_VTINHERIT
2562 || r_type == R_SPARC_GNU_VTENTRY)
2565 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2567 bfd_set_error (bfd_error_bad_value);
2570 howto = _bfd_sparc_elf_howto_table + r_type;
2572 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2576 unresolved_reloc = FALSE;
2577 if (r_symndx < symtab_hdr->sh_info)
2579 sym = local_syms + r_symndx;
2580 sec = local_sections[r_symndx];
2581 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2587 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2588 r_symndx, symtab_hdr, sym_hashes,
2590 unresolved_reloc, warned);
2593 /* To avoid generating warning messages about truncated
2594 relocations, set the relocation's address to be the same as
2595 the start of this section. */
2596 if (input_section->output_section != NULL)
2597 relocation = input_section->output_section->vma;
2603 if (sec != NULL && elf_discarded_section (sec))
2605 /* For relocs against symbols from removed linkonce
2606 sections, or sections discarded by a linker script, we
2607 just want the section contents zeroed. Avoid any
2608 special processing. */
2609 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
2615 if (info->relocatable)
2620 case R_SPARC_GOTDATA_HIX22:
2621 case R_SPARC_GOTDATA_LOX10:
2622 case R_SPARC_GOTDATA_OP_HIX22:
2623 case R_SPARC_GOTDATA_OP_LOX10:
2624 /* We don't support these code transformation optimizations
2625 yet, so just leave the sequence alone and treat as
2627 if (r_type == R_SPARC_GOTDATA_HIX22
2628 || r_type == R_SPARC_GOTDATA_OP_HIX22)
2629 r_type = R_SPARC_GOT22;
2631 r_type = R_SPARC_GOT10;
2637 /* Relocation is to the entry for this symbol in the global
2639 if (htab->sgot == NULL)
2646 off = h->got.offset;
2647 BFD_ASSERT (off != (bfd_vma) -1);
2648 dyn = elf_hash_table (info)->dynamic_sections_created;
2650 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
2657 /* This is actually a static link, or it is a
2658 -Bsymbolic link and the symbol is defined
2659 locally, or the symbol was forced to be local
2660 because of a version file. We must initialize
2661 this entry in the global offset table. Since the
2662 offset must always be a multiple of 8 for 64-bit
2663 and 4 for 32-bit, we use the least significant bit
2664 to record whether we have initialized it already.
2666 When doing a dynamic link, we create a .rela.got
2667 relocation entry to initialize the value. This
2668 is done in the finish_dynamic_symbol routine. */
2673 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
2674 htab->sgot->contents + off);
2679 unresolved_reloc = FALSE;
2683 BFD_ASSERT (local_got_offsets != NULL
2684 && local_got_offsets[r_symndx] != (bfd_vma) -1);
2686 off = local_got_offsets[r_symndx];
2688 /* The offset must always be a multiple of 8 on 64-bit and
2689 4 on 32-bit. We use the least significant bit to record
2690 whether we have already processed this entry. */
2699 Elf_Internal_Rela outrel;
2701 /* We need to generate a R_SPARC_RELATIVE reloc
2702 for the dynamic linker. */
2704 BFD_ASSERT (s != NULL);
2706 outrel.r_offset = (htab->sgot->output_section->vma
2707 + htab->sgot->output_offset
2709 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
2710 0, R_SPARC_RELATIVE);
2711 outrel.r_addend = relocation;
2713 sparc_elf_append_rela (output_bfd, s, &outrel);
2716 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
2717 htab->sgot->contents + off);
2718 local_got_offsets[r_symndx] |= 1;
2721 relocation = htab->sgot->output_offset + off - got_base;
2726 if (h == NULL || h->plt.offset == (bfd_vma) -1)
2728 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
2733 case R_SPARC_WPLT30:
2734 case R_SPARC_HIPLT22:
2735 case R_SPARC_LOPLT10:
2736 case R_SPARC_PCPLT32:
2737 case R_SPARC_PCPLT22:
2738 case R_SPARC_PCPLT10:
2740 /* Relocation is to the entry for this symbol in the
2741 procedure linkage table. */
2743 if (! ABI_64_P (output_bfd))
2745 /* The Solaris native assembler will generate a WPLT30 reloc
2746 for a local symbol if you assemble a call from one
2747 section to another when using -K pic. We treat it as
2752 /* PR 7027: We need similar behaviour for 64-bit binaries. */
2753 else if (r_type == R_SPARC_WPLT30 && h == NULL)
2757 BFD_ASSERT (h != NULL);
2760 if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL)
2762 /* We didn't make a PLT entry for this symbol. This
2763 happens when statically linking PIC code, or when
2764 using -Bsymbolic. */
2768 relocation = (htab->splt->output_section->vma
2769 + htab->splt->output_offset
2771 unresolved_reloc = FALSE;
2772 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
2774 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
2782 case R_SPARC_PC_HH22:
2783 case R_SPARC_PC_HM10:
2784 case R_SPARC_PC_LM22:
2786 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2790 case R_SPARC_DISP16:
2791 case R_SPARC_DISP32:
2792 case R_SPARC_DISP64:
2793 case R_SPARC_WDISP30:
2794 case R_SPARC_WDISP22:
2795 case R_SPARC_WDISP19:
2796 case R_SPARC_WDISP16:
2823 if ((input_section->flags & SEC_ALLOC) == 0
2829 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2830 || h->root.type != bfd_link_hash_undefweak)
2831 && (! howto->pc_relative
2834 && (! info->symbolic
2835 || !h->def_regular))))
2842 || h->root.type == bfd_link_hash_undefweak
2843 || h->root.type == bfd_link_hash_undefined)))
2845 Elf_Internal_Rela outrel;
2846 bfd_boolean skip, relocate = FALSE;
2848 /* When generating a shared object, these relocations
2849 are copied into the output file to be resolved at run
2852 BFD_ASSERT (sreloc != NULL);
2857 _bfd_elf_section_offset (output_bfd, info, input_section,
2859 if (outrel.r_offset == (bfd_vma) -1)
2861 else if (outrel.r_offset == (bfd_vma) -2)
2862 skip = TRUE, relocate = TRUE;
2863 outrel.r_offset += (input_section->output_section->vma
2864 + input_section->output_offset);
2866 /* Optimize unaligned reloc usage now that we know where
2867 it finally resides. */
2871 if (outrel.r_offset & 1)
2872 r_type = R_SPARC_UA16;
2875 if (!(outrel.r_offset & 1))
2876 r_type = R_SPARC_16;
2879 if (outrel.r_offset & 3)
2880 r_type = R_SPARC_UA32;
2883 if (!(outrel.r_offset & 3))
2884 r_type = R_SPARC_32;
2887 if (outrel.r_offset & 7)
2888 r_type = R_SPARC_UA64;
2891 if (!(outrel.r_offset & 7))
2892 r_type = R_SPARC_64;
2895 case R_SPARC_DISP16:
2896 case R_SPARC_DISP32:
2897 case R_SPARC_DISP64:
2898 /* If the symbol is not dynamic, we should not keep
2899 a dynamic relocation. But an .rela.* slot has been
2900 allocated for it, output R_SPARC_NONE.
2901 FIXME: Add code tracking needed dynamic relocs as
2903 if (h->dynindx == -1)
2904 skip = TRUE, relocate = TRUE;
2909 memset (&outrel, 0, sizeof outrel);
2910 /* h->dynindx may be -1 if the symbol was marked to
2912 else if (h != NULL && ! is_plt
2913 && ((! info->symbolic && h->dynindx != -1)
2914 || !h->def_regular))
2916 BFD_ASSERT (h->dynindx != -1);
2917 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
2918 outrel.r_addend = rel->r_addend;
2922 if (r_type == R_SPARC_32 || r_type == R_SPARC_64)
2924 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
2925 0, R_SPARC_RELATIVE);
2926 outrel.r_addend = relocation + rel->r_addend;
2932 outrel.r_addend = relocation + rel->r_addend;
2937 if (bfd_is_abs_section (sec))
2939 else if (sec == NULL || sec->owner == NULL)
2941 bfd_set_error (bfd_error_bad_value);
2948 /* We are turning this relocation into one
2949 against a section symbol. It would be
2950 proper to subtract the symbol's value,
2951 osec->vma, from the emitted reloc addend,
2952 but ld.so expects buggy relocs. */
2953 osec = sec->output_section;
2954 indx = elf_section_data (osec)->dynindx;
2958 osec = htab->elf.text_index_section;
2959 indx = elf_section_data (osec)->dynindx;
2962 /* FIXME: we really should be able to link non-pic
2963 shared libraries. */
2967 (*_bfd_error_handler)
2968 (_("%B: probably compiled without -fPIC?"),
2970 bfd_set_error (bfd_error_bad_value);
2975 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
2980 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
2982 /* This reloc will be computed at runtime, so there's no
2983 need to do anything now. */
2989 case R_SPARC_TLS_GD_HI22:
2990 if (! ABI_64_P (input_bfd)
2991 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
2993 /* R_SPARC_REV32 used the same reloc number as
2994 R_SPARC_TLS_GD_HI22. */
2995 r_type = R_SPARC_REV32;
3000 case R_SPARC_TLS_GD_LO10:
3001 case R_SPARC_TLS_IE_HI22:
3002 case R_SPARC_TLS_IE_LO10:
3003 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
3004 tls_type = GOT_UNKNOWN;
3005 if (h == NULL && local_got_offsets)
3006 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3009 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3010 if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
3011 switch (SPARC_ELF_R_TYPE (rel->r_info))
3013 case R_SPARC_TLS_GD_HI22:
3014 case R_SPARC_TLS_IE_HI22:
3015 r_type = R_SPARC_TLS_LE_HIX22;
3018 r_type = R_SPARC_TLS_LE_LOX10;
3022 if (tls_type == GOT_TLS_IE)
3025 case R_SPARC_TLS_GD_HI22:
3026 r_type = R_SPARC_TLS_IE_HI22;
3028 case R_SPARC_TLS_GD_LO10:
3029 r_type = R_SPARC_TLS_IE_LO10;
3033 if (r_type == R_SPARC_TLS_LE_HIX22)
3035 relocation = tpoff (info, relocation);
3038 if (r_type == R_SPARC_TLS_LE_LOX10)
3040 /* Change add into xor. */
3041 relocation = tpoff (info, relocation);
3042 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3043 contents + rel->r_offset)
3044 | 0x80182000), contents + rel->r_offset);
3050 off = h->got.offset;
3055 BFD_ASSERT (local_got_offsets != NULL);
3056 off = local_got_offsets[r_symndx];
3057 local_got_offsets[r_symndx] |= 1;
3061 if (htab->sgot == NULL)
3068 Elf_Internal_Rela outrel;
3071 if (htab->srelgot == NULL)
3074 SPARC_ELF_PUT_WORD (htab, output_bfd, 0, htab->sgot->contents + off);
3075 outrel.r_offset = (htab->sgot->output_section->vma
3076 + htab->sgot->output_offset + off);
3077 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3078 if (r_type == R_SPARC_TLS_IE_HI22
3079 || r_type == R_SPARC_TLS_IE_LO10)
3080 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3082 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3083 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3084 outrel.r_addend = relocation - dtpoff_base (info);
3086 outrel.r_addend = 0;
3087 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3088 sparc_elf_append_rela (output_bfd, htab->srelgot, &outrel);
3090 if (r_type == R_SPARC_TLS_GD_HI22
3091 || r_type == R_SPARC_TLS_GD_LO10)
3095 BFD_ASSERT (! unresolved_reloc);
3096 SPARC_ELF_PUT_WORD (htab, output_bfd,
3097 relocation - dtpoff_base (info),
3098 (htab->sgot->contents + off
3099 + SPARC_ELF_WORD_BYTES (htab)));
3103 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3104 (htab->sgot->contents + off
3105 + SPARC_ELF_WORD_BYTES (htab)));
3106 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3107 SPARC_ELF_DTPOFF_RELOC (htab));
3108 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3109 sparc_elf_append_rela (output_bfd, htab->srelgot,
3113 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3115 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3116 (htab->sgot->contents + off
3117 + SPARC_ELF_WORD_BYTES (htab)));
3121 if (off >= (bfd_vma) -2)
3124 relocation = htab->sgot->output_offset + off - got_base;
3125 unresolved_reloc = FALSE;
3126 howto = _bfd_sparc_elf_howto_table + r_type;
3129 case R_SPARC_TLS_LDM_HI22:
3130 case R_SPARC_TLS_LDM_LO10:
3133 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3136 off = htab->tls_ldm_got.offset;
3137 htab->tls_ldm_got.offset |= 1;
3138 goto r_sparc_tlsldm;
3140 case R_SPARC_TLS_LDO_HIX22:
3141 case R_SPARC_TLS_LDO_LOX10:
3144 relocation -= dtpoff_base (info);
3148 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3149 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3152 case R_SPARC_TLS_LE_HIX22:
3153 case R_SPARC_TLS_LE_LOX10:
3156 Elf_Internal_Rela outrel;
3157 bfd_boolean skip, relocate = FALSE;
3159 BFD_ASSERT (sreloc != NULL);
3162 _bfd_elf_section_offset (output_bfd, info, input_section,
3164 if (outrel.r_offset == (bfd_vma) -1)
3166 else if (outrel.r_offset == (bfd_vma) -2)
3167 skip = TRUE, relocate = TRUE;
3168 outrel.r_offset += (input_section->output_section->vma
3169 + input_section->output_offset);
3171 memset (&outrel, 0, sizeof outrel);
3174 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3175 outrel.r_addend = relocation - dtpoff_base (info)
3179 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3182 relocation = tpoff (info, relocation);
3185 case R_SPARC_TLS_LDM_CALL:
3189 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3194 case R_SPARC_TLS_GD_CALL:
3195 tls_type = GOT_UNKNOWN;
3196 if (h == NULL && local_got_offsets)
3197 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3199 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3201 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3205 if (!info->shared && (h == NULL || h->dynindx == -1))
3208 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3213 if (rel + 1 < relend
3214 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3215 && rel[1].r_offset == rel->r_offset + 4
3216 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3217 && (((insn = bfd_get_32 (input_bfd,
3218 contents + rel[1].r_offset))
3219 >> 25) & 0x1f) == 8)
3222 call __tls_get_addr, %tgd_call(foo)
3223 add %reg1, %reg2, %o0, %tgd_add(foo)
3224 and change it into IE:
3225 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3226 add %g7, %o0, %o0, %tie_add(foo).
3227 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3228 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3229 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3230 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3231 contents + rel->r_offset);
3232 bfd_put_32 (output_bfd, 0x9001c008,
3233 contents + rel->r_offset + 4);
3238 bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset);
3242 h = (struct elf_link_hash_entry *)
3243 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3245 BFD_ASSERT (h != NULL);
3246 r_type = R_SPARC_WPLT30;
3247 howto = _bfd_sparc_elf_howto_table + r_type;
3248 goto r_sparc_wplt30;
3250 case R_SPARC_TLS_GD_ADD:
3251 tls_type = GOT_UNKNOWN;
3252 if (h == NULL && local_got_offsets)
3253 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3255 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3256 if (! info->shared || tls_type == GOT_TLS_IE)
3258 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3260 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3262 add %g7, %reg2, %reg3. */
3263 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3264 if ((h != NULL && h->dynindx != -1) || info->shared)
3265 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3267 relocation = (insn & ~0x7c000) | 0x1c000;
3268 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3272 case R_SPARC_TLS_LDM_ADD:
3274 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3277 case R_SPARC_TLS_LDO_ADD:
3280 /* Change rs1 into %g7. */
3281 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3282 insn = (insn & ~0x7c000) | 0x1c000;
3283 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3287 case R_SPARC_GOTDATA_OP:
3288 /* We don't support gotdata code transformation optimizations
3289 yet, so simply leave the sequence as-is. */
3292 case R_SPARC_TLS_IE_LD:
3293 case R_SPARC_TLS_IE_LDX:
3294 if (! info->shared && (h == NULL || h->dynindx == -1))
3296 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3297 int rs2 = insn & 0x1f;
3298 int rd = (insn >> 25) & 0x1f;
3301 relocation = SPARC_NOP;
3303 relocation = 0x80100000 | (insn & 0x3e00001f);
3304 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3308 case R_SPARC_TLS_IE_ADD:
3309 /* Totally useless relocation. */
3312 case R_SPARC_TLS_DTPOFF32:
3313 case R_SPARC_TLS_DTPOFF64:
3314 relocation -= dtpoff_base (info);
3321 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3322 because such sections are not SEC_ALLOC and thus ld.so will
3323 not process them. */
3324 if (unresolved_reloc
3325 && !((input_section->flags & SEC_DEBUGGING) != 0
3327 (*_bfd_error_handler)
3328 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3331 (long) rel->r_offset,
3333 h->root.root.string);
3335 r = bfd_reloc_continue;
3336 if (r_type == R_SPARC_OLO10)
3340 if (! ABI_64_P (output_bfd))
3343 relocation += rel->r_addend;
3344 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3346 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3347 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3348 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3350 r = bfd_check_overflow (howto->complain_on_overflow,
3351 howto->bitsize, howto->rightshift,
3352 bfd_arch_bits_per_address (input_bfd),
3355 else if (r_type == R_SPARC_WDISP16)
3359 relocation += rel->r_addend;
3360 relocation -= (input_section->output_section->vma
3361 + input_section->output_offset);
3362 relocation -= rel->r_offset;
3364 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3365 x |= ((((relocation >> 2) & 0xc000) << 6)
3366 | ((relocation >> 2) & 0x3fff));
3367 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3369 r = bfd_check_overflow (howto->complain_on_overflow,
3370 howto->bitsize, howto->rightshift,
3371 bfd_arch_bits_per_address (input_bfd),
3374 else if (r_type == R_SPARC_REV32)
3378 relocation = relocation + rel->r_addend;
3380 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3382 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3385 else if (r_type == R_SPARC_TLS_LDO_HIX22
3386 || r_type == R_SPARC_TLS_LE_HIX22)
3390 relocation += rel->r_addend;
3391 if (r_type == R_SPARC_TLS_LE_HIX22)
3392 relocation ^= MINUS_ONE;
3394 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3395 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3396 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3399 else if (r_type == R_SPARC_TLS_LDO_LOX10
3400 || r_type == R_SPARC_TLS_LE_LOX10)
3404 relocation += rel->r_addend;
3405 relocation &= 0x3ff;
3406 if (r_type == R_SPARC_TLS_LE_LOX10)
3407 relocation |= 0x1c00;
3409 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3410 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3411 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3415 else if (r_type == R_SPARC_HIX22)
3419 relocation += rel->r_addend;
3420 relocation = relocation ^ MINUS_ONE;
3422 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3423 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3424 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3426 r = bfd_check_overflow (howto->complain_on_overflow,
3427 howto->bitsize, howto->rightshift,
3428 bfd_arch_bits_per_address (input_bfd),
3431 else if (r_type == R_SPARC_LOX10)
3435 relocation += rel->r_addend;
3436 relocation = (relocation & 0x3ff) | 0x1c00;
3438 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3439 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3440 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3444 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
3445 && sec_do_relax (input_section)
3446 && rel->r_offset + 4 < input_section->size)
3450 #define XCC (2 << 20)
3451 #define COND(x) (((x)&0xf)<<25)
3452 #define CONDA COND(0x8)
3453 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
3454 #define INSN_BA (F2(0,2) | CONDA)
3455 #define INSN_OR F3(2, 0x2, 0)
3456 #define INSN_NOP F2(0,4)
3460 /* If the instruction is a call with either:
3462 arithmetic instruction with rd == %o7
3463 where rs1 != %o7 and rs2 if it is register != %o7
3464 then we can optimize if the call destination is near
3465 by changing the call into a branch always. */
3466 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3467 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3468 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
3470 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
3471 || ((y & OP3(0x28)) == 0 /* arithmetic */
3472 && (y & RD(~0)) == RD(O7)))
3473 && (y & RS1(~0)) != RS1(O7)
3475 || (y & RS2(~0)) != RS2(O7)))
3479 reloc = relocation + rel->r_addend - rel->r_offset;
3480 reloc -= (input_section->output_section->vma
3481 + input_section->output_offset);
3483 /* Ensure the branch fits into simm22. */
3484 if ((reloc & 3) == 0
3485 && ((reloc & ~(bfd_vma)0x7fffff) == 0
3486 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
3490 /* Check whether it fits into simm19. */
3491 if (((reloc & 0x3c0000) == 0
3492 || (reloc & 0x3c0000) == 0x3c0000)
3493 && (ABI_64_P (output_bfd)
3494 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
3495 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
3497 x = INSN_BA | (reloc & 0x3fffff); /* ba */
3498 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3500 if (rel->r_offset >= 4
3501 && (y & (0xffffffff ^ RS1(~0)))
3502 == (INSN_OR | RD(O7) | RS2(G0)))
3507 z = bfd_get_32 (input_bfd,
3508 contents + rel->r_offset - 4);
3509 if ((z & (0xffffffff ^ RD(~0)))
3510 != (INSN_OR | RS1(O7) | RS2(G0)))
3518 If call foo was replaced with ba, replace
3519 or %rN, %g0, %o7 with nop. */
3521 reg = (y & RS1(~0)) >> 14;
3522 if (reg != ((z & RD(~0)) >> 25)
3523 || reg == G0 || reg == O7)
3526 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
3527 contents + rel->r_offset + 4);
3535 if (r == bfd_reloc_continue)
3536 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3537 contents, rel->r_offset,
3538 relocation, rel->r_addend);
3540 if (r != bfd_reloc_ok)
3545 case bfd_reloc_outofrange:
3547 case bfd_reloc_overflow:
3551 /* The Solaris native linker silently disregards overflows.
3552 We don't, but this breaks stabs debugging info, whose
3553 relocations are only 32-bits wide. Ignore overflows in
3554 this case and also for discarded entries. */
3555 if ((r_type == R_SPARC_32 || r_type == R_SPARC_DISP32)
3556 && (((input_section->flags & SEC_DEBUGGING) != 0
3557 && strcmp (bfd_section_name (input_bfd,
3560 || _bfd_elf_section_offset (output_bfd, info,
3568 /* Assume this is a call protected by other code that
3569 detect the symbol is undefined. If this is the case,
3570 we can safely ignore the overflow. If not, the
3571 program is hosed anyway, and a little warning isn't
3573 if (h->root.type == bfd_link_hash_undefweak
3574 && howto->pc_relative)
3581 name = bfd_elf_string_from_elf_section (input_bfd,
3582 symtab_hdr->sh_link,
3587 name = bfd_section_name (input_bfd, sec);
3589 if (! ((*info->callbacks->reloc_overflow)
3590 (info, (h ? &h->root : NULL), name, howto->name,
3591 (bfd_vma) 0, input_bfd, input_section,
3603 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
3604 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
3605 is the offset of the associated .got.plt entry from
3606 _GLOBAL_OFFSET_TABLE_. */
3609 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
3610 bfd_vma plt_offset, bfd_vma plt_index,
3614 const bfd_vma *plt_entry;
3615 struct _bfd_sparc_elf_link_hash_table *htab;
3617 Elf_Internal_Rela rela;
3619 htab = _bfd_sparc_elf_hash_table (info);
3620 BFD_ASSERT (htab != NULL);
3624 plt_entry = sparc_vxworks_shared_plt_entry;
3629 plt_entry = sparc_vxworks_exec_plt_entry;
3630 got_base = (htab->elf.hgot->root.u.def.value
3631 + htab->elf.hgot->root.u.def.section->output_offset
3632 + htab->elf.hgot->root.u.def.section->output_section->vma);
3635 /* Fill in the entry in the procedure linkage table. */
3636 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
3637 htab->splt->contents + plt_offset);
3638 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
3639 htab->splt->contents + plt_offset + 4);
3640 bfd_put_32 (output_bfd, plt_entry[2],
3641 htab->splt->contents + plt_offset + 8);
3642 bfd_put_32 (output_bfd, plt_entry[3],
3643 htab->splt->contents + plt_offset + 12);
3644 bfd_put_32 (output_bfd, plt_entry[4],
3645 htab->splt->contents + plt_offset + 16);
3646 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
3647 htab->splt->contents + plt_offset + 20);
3648 /* PC-relative displacement for a branch to the start of
3650 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
3652 htab->splt->contents + plt_offset + 24);
3653 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
3654 htab->splt->contents + plt_offset + 28);
3656 /* Fill in the .got.plt entry, pointing initially at the
3657 second half of the PLT entry. */
3658 BFD_ASSERT (htab->sgotplt != NULL);
3659 bfd_put_32 (output_bfd,
3660 htab->splt->output_section->vma
3661 + htab->splt->output_offset
3663 htab->sgotplt->contents + got_offset);
3665 /* Add relocations to .rela.plt.unloaded. */
3668 loc = (htab->srelplt2->contents
3669 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
3671 /* Relocate the initial sethi. */
3672 rela.r_offset = (htab->splt->output_section->vma
3673 + htab->splt->output_offset
3675 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
3676 rela.r_addend = got_offset;
3677 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3678 loc += sizeof (Elf32_External_Rela);
3680 /* Likewise the following or. */
3682 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
3683 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3684 loc += sizeof (Elf32_External_Rela);
3686 /* Relocate the .got.plt entry. */
3687 rela.r_offset = (htab->sgotplt->output_section->vma
3688 + htab->sgotplt->output_offset
3690 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
3691 rela.r_addend = plt_offset + 20;
3692 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3696 /* Finish up dynamic symbol handling. We set the contents of various
3697 dynamic sections here. */
3700 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
3701 struct bfd_link_info *info,
3702 struct elf_link_hash_entry *h,
3703 Elf_Internal_Sym *sym)
3706 struct _bfd_sparc_elf_link_hash_table *htab;
3707 const struct elf_backend_data *bed;
3709 htab = _bfd_sparc_elf_hash_table (info);
3710 BFD_ASSERT (htab != NULL);
3711 dynobj = htab->elf.dynobj;
3712 bed = get_elf_backend_data (output_bfd);
3714 if (h->plt.offset != (bfd_vma) -1)
3718 Elf_Internal_Rela rela;
3720 bfd_vma r_offset, got_offset;
3723 /* This symbol has an entry in the PLT. Set it up. */
3725 BFD_ASSERT (h->dynindx != -1);
3728 srela = htab->srelplt;
3729 BFD_ASSERT (splt != NULL && srela != NULL);
3731 /* Fill in the entry in the .rela.plt section. */
3732 if (htab->is_vxworks)
3734 /* Work out the index of this PLT entry. */
3735 rela_index = ((h->plt.offset - htab->plt_header_size)
3736 / htab->plt_entry_size);
3738 /* Calculate the offset of the associated .got.plt entry.
3739 The first three entries are reserved. */
3740 got_offset = (rela_index + 3) * 4;
3742 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
3743 rela_index, got_offset);
3746 /* On VxWorks, the relocation points to the .got.plt entry,
3747 not the .plt entry. */
3748 rela.r_offset = (htab->sgotplt->output_section->vma
3749 + htab->sgotplt->output_offset
3755 /* Fill in the entry in the procedure linkage table. */
3756 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
3757 h->plt.offset, splt->size,
3760 rela.r_offset = r_offset
3761 + (splt->output_section->vma + splt->output_offset);
3762 if (! ABI_64_P (output_bfd)
3763 || h->plt.offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
3769 rela.r_addend = (-(h->plt.offset + 4)
3770 - splt->output_section->vma
3771 - splt->output_offset);
3774 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_JMP_SLOT);
3776 /* Adjust for the first 4 reserved elements in the .plt section
3777 when setting the offset in the .rela.plt section.
3778 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
3779 thus .plt[4] has corresponding .rela.plt[0] and so on. */
3781 loc = srela->contents;
3782 loc += rela_index * bed->s->sizeof_rela;
3783 bed->s->swap_reloca_out (output_bfd, &rela, loc);
3785 if (!h->def_regular)
3787 /* Mark the symbol as undefined, rather than as defined in
3788 the .plt section. Leave the value alone. */
3789 sym->st_shndx = SHN_UNDEF;
3790 /* If the symbol is weak, we do need to clear the value.
3791 Otherwise, the PLT entry would provide a definition for
3792 the symbol even if the symbol wasn't defined anywhere,
3793 and so the symbol would never be NULL. */
3794 if (!h->ref_regular_nonweak)
3799 if (h->got.offset != (bfd_vma) -1
3800 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
3801 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
3805 Elf_Internal_Rela rela;
3807 /* This symbol has an entry in the GOT. Set it up. */
3810 srela = htab->srelgot;
3811 BFD_ASSERT (sgot != NULL && srela != NULL);
3813 rela.r_offset = (sgot->output_section->vma
3814 + sgot->output_offset
3815 + (h->got.offset &~ (bfd_vma) 1));
3817 /* If this is a -Bsymbolic link, and the symbol is defined
3818 locally, we just want to emit a RELATIVE reloc. Likewise if
3819 the symbol was forced to be local because of a version file.
3820 The entry in the global offset table will already have been
3821 initialized in the relocate_section function. */
3823 && (info->symbolic || h->dynindx == -1)
3826 asection *sec = h->root.u.def.section;
3827 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
3828 rela.r_addend = (h->root.u.def.value
3829 + sec->output_section->vma
3830 + sec->output_offset);
3834 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
3838 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3839 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
3840 sparc_elf_append_rela (output_bfd, srela, &rela);
3846 Elf_Internal_Rela rela;
3848 /* This symbols needs a copy reloc. Set it up. */
3849 BFD_ASSERT (h->dynindx != -1);
3851 s = bfd_get_section_by_name (h->root.u.def.section->owner,
3853 BFD_ASSERT (s != NULL);
3855 rela.r_offset = (h->root.u.def.value
3856 + h->root.u.def.section->output_section->vma
3857 + h->root.u.def.section->output_offset);
3858 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
3860 sparc_elf_append_rela (output_bfd, s, &rela);
3863 /* Mark some specially defined symbols as absolute. On VxWorks,
3864 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
3865 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
3866 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
3867 || (!htab->is_vxworks
3868 && (h == htab->elf.hgot || h == htab->elf.hplt)))
3869 sym->st_shndx = SHN_ABS;
3874 /* Finish up the dynamic sections. */
3877 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
3878 bfd *dynobj, asection *sdyn,
3879 asection *splt ATTRIBUTE_UNUSED)
3881 struct _bfd_sparc_elf_link_hash_table *htab;
3882 const struct elf_backend_data *bed;
3883 bfd_byte *dyncon, *dynconend;
3885 int stt_regidx = -1;
3886 bfd_boolean abi_64_p;
3888 htab = _bfd_sparc_elf_hash_table (info);
3889 BFD_ASSERT (htab != NULL);
3890 bed = get_elf_backend_data (output_bfd);
3891 dynsize = bed->s->sizeof_dyn;
3892 dynconend = sdyn->contents + sdyn->size;
3893 abi_64_p = ABI_64_P (output_bfd);
3894 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
3896 Elf_Internal_Dyn dyn;
3900 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
3902 if (htab->is_vxworks && dyn.d_tag == DT_RELASZ)
3904 /* On VxWorks, DT_RELASZ should not include the relocations
3908 dyn.d_un.d_val -= htab->srelplt->size;
3909 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
3912 else if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
3914 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
3915 not to the start of the PLT. */
3918 dyn.d_un.d_val = (htab->sgotplt->output_section->vma
3919 + htab->sgotplt->output_offset);
3920 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
3923 else if (htab->is_vxworks
3924 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
3925 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
3926 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
3928 if (stt_regidx == -1)
3931 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
3932 if (stt_regidx == -1)
3935 dyn.d_un.d_val = stt_regidx++;
3936 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
3942 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
3943 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
3944 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
3945 default: name = NULL; size = FALSE; break;
3952 s = bfd_get_section_by_name (output_bfd, name);
3958 dyn.d_un.d_ptr = s->vma;
3960 dyn.d_un.d_val = s->size;
3962 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
3969 /* Install the first PLT entry in a VxWorks executable and make sure that
3970 .rela.plt.unloaded relocations have the correct symbol indexes. */
3973 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
3975 struct _bfd_sparc_elf_link_hash_table *htab;
3976 Elf_Internal_Rela rela;
3980 htab = _bfd_sparc_elf_hash_table (info);
3981 BFD_ASSERT (htab != NULL);
3983 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
3984 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
3985 + htab->elf.hgot->root.u.def.section->output_offset
3986 + htab->elf.hgot->root.u.def.value);
3988 /* Install the initial PLT entry. */
3989 bfd_put_32 (output_bfd,
3990 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
3991 htab->splt->contents);
3992 bfd_put_32 (output_bfd,
3993 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
3994 htab->splt->contents + 4);
3995 bfd_put_32 (output_bfd,
3996 sparc_vxworks_exec_plt0_entry[2],
3997 htab->splt->contents + 8);
3998 bfd_put_32 (output_bfd,
3999 sparc_vxworks_exec_plt0_entry[3],
4000 htab->splt->contents + 12);
4001 bfd_put_32 (output_bfd,
4002 sparc_vxworks_exec_plt0_entry[4],
4003 htab->splt->contents + 16);
4005 loc = htab->srelplt2->contents;
4007 /* Add an unloaded relocation for the initial entry's "sethi". */
4008 rela.r_offset = (htab->splt->output_section->vma
4009 + htab->splt->output_offset);
4010 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4012 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4013 loc += sizeof (Elf32_External_Rela);
4015 /* Likewise the following "or". */
4017 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4018 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4019 loc += sizeof (Elf32_External_Rela);
4021 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4022 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4023 in which symbols were output. */
4024 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4026 Elf_Internal_Rela rel;
4028 /* The entry's initial "sethi" (against _G_O_T_). */
4029 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4030 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4031 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4032 loc += sizeof (Elf32_External_Rela);
4034 /* The following "or" (also against _G_O_T_). */
4035 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4036 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4037 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4038 loc += sizeof (Elf32_External_Rela);
4040 /* The .got.plt entry (against _P_L_T_). */
4041 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4042 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4043 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4044 loc += sizeof (Elf32_External_Rela);
4048 /* Install the first PLT entry in a VxWorks shared object. */
4051 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4053 struct _bfd_sparc_elf_link_hash_table *htab;
4056 htab = _bfd_sparc_elf_hash_table (info);
4057 BFD_ASSERT (htab != NULL);
4059 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4060 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4061 htab->splt->contents + i * 4);
4065 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4069 struct _bfd_sparc_elf_link_hash_table *htab;
4071 htab = _bfd_sparc_elf_hash_table (info);
4072 BFD_ASSERT (htab != NULL);
4073 dynobj = htab->elf.dynobj;
4075 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
4077 if (elf_hash_table (info)->dynamic_sections_created)
4081 splt = bfd_get_section_by_name (dynobj, ".plt");
4082 BFD_ASSERT (splt != NULL && sdyn != NULL);
4084 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4087 /* Initialize the contents of the .plt section. */
4090 if (htab->is_vxworks)
4093 sparc_vxworks_finish_shared_plt (output_bfd, info);
4095 sparc_vxworks_finish_exec_plt (output_bfd, info);
4099 memset (splt->contents, 0, htab->plt_header_size);
4100 if (!ABI_64_P (output_bfd))
4101 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4102 splt->contents + splt->size - 4);
4106 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4107 = (htab->is_vxworks || !ABI_64_P (output_bfd))
4108 ? 0 : htab->plt_entry_size;
4111 /* Set the first entry in the global offset table to the address of
4112 the dynamic section. */
4113 if (htab->sgot && htab->sgot->size > 0)
4115 bfd_vma val = (sdyn ?
4116 sdyn->output_section->vma + sdyn->output_offset :
4119 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->sgot->contents);
4123 elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize =
4124 SPARC_ELF_WORD_BYTES (htab);
4130 /* Set the right machine number for a SPARC ELF file. */
4133 _bfd_sparc_elf_object_p (bfd *abfd)
4135 if (ABI_64_P (abfd))
4137 unsigned long mach = bfd_mach_sparc_v9;
4139 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4140 mach = bfd_mach_sparc_v9b;
4141 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4142 mach = bfd_mach_sparc_v9a;
4143 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4147 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4149 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4150 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4151 bfd_mach_sparc_v8plusb);
4152 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4153 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4154 bfd_mach_sparc_v8plusa);
4155 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4156 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4157 bfd_mach_sparc_v8plus);
4161 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4162 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4163 bfd_mach_sparc_sparclite_le);
4165 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4169 /* Return address for Ith PLT stub in section PLT, for relocation REL
4170 or (bfd_vma) -1 if it should not be included. */
4173 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4175 if (ABI_64_P (plt->owner))
4179 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4180 if (i < PLT64_LARGE_THRESHOLD)
4181 return plt->vma + i * PLT64_ENTRY_SIZE;
4183 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4185 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4188 return rel->address;