1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2016 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
55 void * data
, asection
*input_section
, bfd
*output_bfd
,
56 bfd_vma
*prelocation
, bfd_vma
*pinsn
)
59 reloc_howto_type
*howto
= reloc_entry
->howto
;
61 if (output_bfd
!= (bfd
*) NULL
62 && (symbol
->flags
& BSF_SECTION_SYM
) == 0
63 && (! howto
->partial_inplace
64 || reloc_entry
->addend
== 0))
66 reloc_entry
->address
+= input_section
->output_offset
;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd
!= NULL
)
72 return bfd_reloc_continue
;
74 if (reloc_entry
->address
> bfd_get_section_limit (abfd
, input_section
))
75 return bfd_reloc_outofrange
;
77 relocation
= (symbol
->value
78 + symbol
->section
->output_section
->vma
79 + symbol
->section
->output_offset
);
80 relocation
+= reloc_entry
->addend
;
81 if (howto
->pc_relative
)
83 relocation
-= (input_section
->output_section
->vma
84 + input_section
->output_offset
);
85 relocation
-= reloc_entry
->address
;
88 *prelocation
= relocation
;
89 *pinsn
= bfd_get_32 (abfd
, (bfd_byte
*) data
+ reloc_entry
->address
);
90 return bfd_reloc_other
;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd
*abfd ATTRIBUTE_UNUSED
,
97 arelent
*reloc_entry ATTRIBUTE_UNUSED
,
98 asymbol
*symbol ATTRIBUTE_UNUSED
,
99 void * data ATTRIBUTE_UNUSED
,
100 asection
*input_section ATTRIBUTE_UNUSED
,
101 bfd
*output_bfd ATTRIBUTE_UNUSED
,
102 char **error_message ATTRIBUTE_UNUSED
)
104 return bfd_reloc_notsupported
;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
111 void * data
, asection
*input_section
, bfd
*output_bfd
,
112 char **error_message ATTRIBUTE_UNUSED
)
116 bfd_reloc_status_type status
;
118 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
119 input_section
, output_bfd
, &relocation
, &insn
);
120 if (status
!= bfd_reloc_other
)
123 insn
&= ~ (bfd_vma
) 0x303fff;
124 insn
|= (((relocation
>> 2) & 0xc000) << 6) | ((relocation
>> 2) & 0x3fff);
125 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
127 if ((bfd_signed_vma
) relocation
< - 0x40000
128 || (bfd_signed_vma
) relocation
> 0x3ffff)
129 return bfd_reloc_overflow
;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
138 void * data
, asection
*input_section
, bfd
*output_bfd
,
139 char **error_message ATTRIBUTE_UNUSED
)
143 bfd_reloc_status_type status
;
145 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
146 input_section
, output_bfd
, &relocation
, &insn
);
147 if (status
!= bfd_reloc_other
)
150 insn
&= ~ (bfd_vma
) 0x181fe0;
151 insn
|= (((relocation
>> 2) & 0x300) << 11)
152 | (((relocation
>> 2) & 0xff) << 5);
153 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
155 if ((bfd_signed_vma
) relocation
< - 0x1000
156 || (bfd_signed_vma
) relocation
> 0xfff)
157 return bfd_reloc_overflow
;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
166 void * data
, asection
*input_section
, bfd
*output_bfd
,
167 char **error_message ATTRIBUTE_UNUSED
)
171 bfd_reloc_status_type status
;
173 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
174 input_section
, output_bfd
, &relocation
, &insn
);
175 if (status
!= bfd_reloc_other
)
178 relocation
^= MINUS_ONE
;
179 insn
= (insn
&~ (bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
180 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
182 if ((relocation
& ~ (bfd_vma
) 0xffffffff) != 0)
183 return bfd_reloc_overflow
;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
192 void * data
, asection
*input_section
, bfd
*output_bfd
,
193 char **error_message ATTRIBUTE_UNUSED
)
197 bfd_reloc_status_type status
;
199 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
200 input_section
, output_bfd
, &relocation
, &insn
);
201 if (status
!= bfd_reloc_other
)
204 insn
= (insn
&~ (bfd_vma
) 0x1fff) | 0x1c00 | (relocation
& 0x3ff);
205 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
210 static reloc_howto_type _bfd_sparc_elf_howto_table
[] =
212 HOWTO(R_SPARC_NONE
, 0,3, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_NONE", FALSE
,0,0x00000000,TRUE
),
213 HOWTO(R_SPARC_8
, 0,0, 8,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_8", FALSE
,0,0x000000ff,TRUE
),
214 HOWTO(R_SPARC_16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_16", FALSE
,0,0x0000ffff,TRUE
),
215 HOWTO(R_SPARC_32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_32", FALSE
,0,0xffffffff,TRUE
),
216 HOWTO(R_SPARC_DISP8
, 0,0, 8,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP8", FALSE
,0,0x000000ff,TRUE
),
217 HOWTO(R_SPARC_DISP16
, 0,1,16,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP16", FALSE
,0,0x0000ffff,TRUE
),
218 HOWTO(R_SPARC_DISP32
, 0,2,32,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP32", FALSE
,0,0xffffffff,TRUE
),
219 HOWTO(R_SPARC_WDISP30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP30", FALSE
,0,0x3fffffff,TRUE
),
220 HOWTO(R_SPARC_WDISP22
, 2,2,22,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP22", FALSE
,0,0x003fffff,TRUE
),
221 HOWTO(R_SPARC_HI22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HI22", FALSE
,0,0x003fffff,TRUE
),
222 HOWTO(R_SPARC_22
, 0,2,22,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_22", FALSE
,0,0x003fffff,TRUE
),
223 HOWTO(R_SPARC_13
, 0,2,13,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_13", FALSE
,0,0x00001fff,TRUE
),
224 HOWTO(R_SPARC_LO10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LO10", FALSE
,0,0x000003ff,TRUE
),
225 HOWTO(R_SPARC_GOT10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT10", FALSE
,0,0x000003ff,TRUE
),
226 HOWTO(R_SPARC_GOT13
, 0,2,13,FALSE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_GOT13", FALSE
,0,0x00001fff,TRUE
),
227 HOWTO(R_SPARC_GOT22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT22", FALSE
,0,0x003fffff,TRUE
),
228 HOWTO(R_SPARC_PC10
, 0,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC10", FALSE
,0,0x000003ff,TRUE
),
229 HOWTO(R_SPARC_PC22
, 10,2,22,TRUE
, 0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PC22", FALSE
,0,0x003fffff,TRUE
),
230 HOWTO(R_SPARC_WPLT30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WPLT30", FALSE
,0,0x3fffffff,TRUE
),
231 HOWTO(R_SPARC_COPY
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_COPY", FALSE
,0,0x00000000,TRUE
),
232 HOWTO(R_SPARC_GLOB_DAT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GLOB_DAT",FALSE
,0,0x00000000,TRUE
),
233 HOWTO(R_SPARC_JMP_SLOT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_JMP_SLOT",FALSE
,0,0x00000000,TRUE
),
234 HOWTO(R_SPARC_RELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_RELATIVE",FALSE
,0,0x00000000,TRUE
),
235 HOWTO(R_SPARC_UA32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA32", FALSE
,0,0xffffffff,TRUE
),
236 HOWTO(R_SPARC_PLT32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT32", FALSE
,0,0xffffffff,TRUE
),
237 HOWTO(R_SPARC_HIPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_HIPLT22", FALSE
,0,0x00000000,TRUE
),
238 HOWTO(R_SPARC_LOPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_LOPLT10", FALSE
,0,0x00000000,TRUE
),
239 HOWTO(R_SPARC_PCPLT32
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT32", FALSE
,0,0x00000000,TRUE
),
240 HOWTO(R_SPARC_PCPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT22", FALSE
,0,0x00000000,TRUE
),
241 HOWTO(R_SPARC_PCPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT10", FALSE
,0,0x00000000,TRUE
),
242 HOWTO(R_SPARC_10
, 0,2,10,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_10", FALSE
,0,0x000003ff,TRUE
),
243 HOWTO(R_SPARC_11
, 0,2,11,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_11", FALSE
,0,0x000007ff,TRUE
),
244 HOWTO(R_SPARC_64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_64", FALSE
,0,MINUS_ONE
, TRUE
),
245 HOWTO(R_SPARC_OLO10
, 0,2,13,FALSE
,0,complain_overflow_signed
, sparc_elf_notsup_reloc
, "R_SPARC_OLO10", FALSE
,0,0x00001fff,TRUE
),
246 HOWTO(R_SPARC_HH22
, 42,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_HH22", FALSE
,0,0x003fffff,TRUE
),
247 HOWTO(R_SPARC_HM10
, 32,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HM10", FALSE
,0,0x000003ff,TRUE
),
248 HOWTO(R_SPARC_LM22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LM22", FALSE
,0,0x003fffff,TRUE
),
249 HOWTO(R_SPARC_PC_HH22
, 42,2,22,TRUE
, 0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_PC_HH22", FALSE
,0,0x003fffff,TRUE
),
250 HOWTO(R_SPARC_PC_HM10
, 32,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_HM10", FALSE
,0,0x000003ff,TRUE
),
251 HOWTO(R_SPARC_PC_LM22
, 10,2,22,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_LM22", FALSE
,0,0x003fffff,TRUE
),
252 HOWTO(R_SPARC_WDISP16
, 2,2,16,TRUE
, 0,complain_overflow_signed
, sparc_elf_wdisp16_reloc
,"R_SPARC_WDISP16", FALSE
,0,0x00000000,TRUE
),
253 HOWTO(R_SPARC_WDISP19
, 2,2,19,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP19", FALSE
,0,0x0007ffff,TRUE
),
254 HOWTO(R_SPARC_UNUSED_42
, 0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_UNUSED_42",FALSE
,0,0x00000000,TRUE
),
255 HOWTO(R_SPARC_7
, 0,2, 7,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_7", FALSE
,0,0x0000007f,TRUE
),
256 HOWTO(R_SPARC_5
, 0,2, 5,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_5", FALSE
,0,0x0000001f,TRUE
),
257 HOWTO(R_SPARC_6
, 0,2, 6,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_6", FALSE
,0,0x0000003f,TRUE
),
258 HOWTO(R_SPARC_DISP64
, 0,4,64,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP64", FALSE
,0,MINUS_ONE
, TRUE
),
259 HOWTO(R_SPARC_PLT64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT64", FALSE
,0,MINUS_ONE
, TRUE
),
260 HOWTO(R_SPARC_HIX22
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_HIX22", FALSE
,0,MINUS_ONE
, FALSE
),
261 HOWTO(R_SPARC_LOX10
, 0,4, 0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_LOX10", FALSE
,0,MINUS_ONE
, FALSE
),
262 HOWTO(R_SPARC_H44
, 22,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_H44", FALSE
,0,0x003fffff,FALSE
),
263 HOWTO(R_SPARC_M44
, 12,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_M44", FALSE
,0,0x000003ff,FALSE
),
264 HOWTO(R_SPARC_L44
, 0,2,13,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_L44", FALSE
,0,0x00000fff,FALSE
),
265 HOWTO(R_SPARC_REGISTER
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_notsup_reloc
, "R_SPARC_REGISTER",FALSE
,0,MINUS_ONE
, FALSE
),
266 HOWTO(R_SPARC_UA64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA64", FALSE
,0,MINUS_ONE
, TRUE
),
267 HOWTO(R_SPARC_UA16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA16", FALSE
,0,0x0000ffff,TRUE
),
268 HOWTO(R_SPARC_TLS_GD_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_HI22",FALSE
,0,0x003fffff,TRUE
),
269 HOWTO(R_SPARC_TLS_GD_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_LO10",FALSE
,0,0x000003ff,TRUE
),
270 HOWTO(R_SPARC_TLS_GD_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_ADD",FALSE
,0,0x00000000,TRUE
),
271 HOWTO(R_SPARC_TLS_GD_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_CALL",FALSE
,0,0x3fffffff,TRUE
),
272 HOWTO(R_SPARC_TLS_LDM_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_HI22",FALSE
,0,0x003fffff,TRUE
),
273 HOWTO(R_SPARC_TLS_LDM_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_LO10",FALSE
,0,0x000003ff,TRUE
),
274 HOWTO(R_SPARC_TLS_LDM_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_ADD",FALSE
,0,0x00000000,TRUE
),
275 HOWTO(R_SPARC_TLS_LDM_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_CALL",FALSE
,0,0x3fffffff,TRUE
),
276 HOWTO(R_SPARC_TLS_LDO_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_TLS_LDO_HIX22",FALSE
,0,0x003fffff, FALSE
),
277 HOWTO(R_SPARC_TLS_LDO_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LDO_LOX10",FALSE
,0,0x000003ff, FALSE
),
278 HOWTO(R_SPARC_TLS_LDO_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDO_ADD",FALSE
,0,0x00000000,TRUE
),
279 HOWTO(R_SPARC_TLS_IE_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_HI22",FALSE
,0,0x003fffff,TRUE
),
280 HOWTO(R_SPARC_TLS_IE_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LO10",FALSE
,0,0x000003ff,TRUE
),
281 HOWTO(R_SPARC_TLS_IE_LD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LD",FALSE
,0,0x00000000,TRUE
),
282 HOWTO(R_SPARC_TLS_IE_LDX
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LDX",FALSE
,0,0x00000000,TRUE
),
283 HOWTO(R_SPARC_TLS_IE_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_ADD",FALSE
,0,0x00000000,TRUE
),
284 HOWTO(R_SPARC_TLS_LE_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_TLS_LE_HIX22",FALSE
,0,0x003fffff, FALSE
),
285 HOWTO(R_SPARC_TLS_LE_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LE_LOX10",FALSE
,0,0x000003ff, FALSE
),
286 HOWTO(R_SPARC_TLS_DTPMOD32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD32",FALSE
,0,0x00000000,TRUE
),
287 HOWTO(R_SPARC_TLS_DTPMOD64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD64",FALSE
,0,0x00000000,TRUE
),
288 HOWTO(R_SPARC_TLS_DTPOFF32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF32",FALSE
,0,0xffffffff,TRUE
),
289 HOWTO(R_SPARC_TLS_DTPOFF64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF64",FALSE
,0,MINUS_ONE
,TRUE
),
290 HOWTO(R_SPARC_TLS_TPOFF32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF32",FALSE
,0,0x00000000,TRUE
),
291 HOWTO(R_SPARC_TLS_TPOFF64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF64",FALSE
,0,0x00000000,TRUE
),
292 HOWTO(R_SPARC_GOTDATA_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_GOTDATA_HIX22",FALSE
,0,0x003fffff, FALSE
),
293 HOWTO(R_SPARC_GOTDATA_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_GOTDATA_LOX10",FALSE
,0,0x000003ff, FALSE
),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_GOTDATA_OP_HIX22",FALSE
,0,0x003fffff, FALSE
),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_GOTDATA_OP_LOX10",FALSE
,0,0x000003ff, FALSE
),
296 HOWTO(R_SPARC_GOTDATA_OP
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOTDATA_OP",FALSE
,0,0x00000000,TRUE
),
297 HOWTO(R_SPARC_H34
,12,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
,"R_SPARC_H34",FALSE
,0,0x003fffff,FALSE
),
298 HOWTO(R_SPARC_SIZE32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE32",FALSE
,0,0xffffffff,TRUE
),
299 HOWTO(R_SPARC_SIZE64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE64",FALSE
,0,MINUS_ONE
, TRUE
),
300 HOWTO(R_SPARC_WDISP10
,2,2,10,TRUE
, 0,complain_overflow_signed
,sparc_elf_wdisp10_reloc
,"R_SPARC_WDISP10",FALSE
,0,0x00000000,TRUE
),
302 static reloc_howto_type sparc_jmp_irel_howto
=
303 HOWTO(R_SPARC_JMP_IREL
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_JMP_IREL",FALSE
,0,0x00000000,TRUE
);
304 static reloc_howto_type sparc_irelative_howto
=
305 HOWTO(R_SPARC_IRELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_IRELATIVE",FALSE
,0,0x00000000,TRUE
);
306 static reloc_howto_type sparc_vtinherit_howto
=
307 HOWTO (R_SPARC_GNU_VTINHERIT
, 0,2,0,FALSE
,0,complain_overflow_dont
, NULL
, "R_SPARC_GNU_VTINHERIT", FALSE
,0, 0, FALSE
);
308 static reloc_howto_type sparc_vtentry_howto
=
309 HOWTO (R_SPARC_GNU_VTENTRY
, 0,2,0,FALSE
,0,complain_overflow_dont
, _bfd_elf_rel_vtable_reloc_fn
,"R_SPARC_GNU_VTENTRY", FALSE
,0,0, FALSE
);
310 static reloc_howto_type sparc_rev32_howto
=
311 HOWTO(R_SPARC_REV32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_REV32", FALSE
,0,0xffffffff,TRUE
);
314 _bfd_sparc_elf_reloc_type_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
315 bfd_reloc_code_real_type code
)
317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
322 return &_bfd_sparc_elf_howto_table
[R_SPARC_NONE
];
325 return &_bfd_sparc_elf_howto_table
[R_SPARC_8
];
328 return &_bfd_sparc_elf_howto_table
[R_SPARC_16
];
331 return &_bfd_sparc_elf_howto_table
[R_SPARC_32
];
333 case BFD_RELOC_8_PCREL
:
334 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP8
];
336 case BFD_RELOC_16_PCREL
:
337 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP16
];
339 case BFD_RELOC_32_PCREL
:
340 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP32
];
342 case BFD_RELOC_32_PCREL_S2
:
343 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP30
];
345 case BFD_RELOC_SPARC_WDISP22
:
346 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP22
];
349 return &_bfd_sparc_elf_howto_table
[R_SPARC_HI22
];
351 case BFD_RELOC_SPARC22
:
352 return &_bfd_sparc_elf_howto_table
[R_SPARC_22
];
354 case BFD_RELOC_SPARC13
:
355 return &_bfd_sparc_elf_howto_table
[R_SPARC_13
];
358 return &_bfd_sparc_elf_howto_table
[R_SPARC_LO10
];
360 case BFD_RELOC_SPARC_GOT10
:
361 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT10
];
363 case BFD_RELOC_SPARC_GOT13
:
364 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT13
];
366 case BFD_RELOC_SPARC_GOT22
:
367 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT22
];
369 case BFD_RELOC_SPARC_PC10
:
370 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC10
];
372 case BFD_RELOC_SPARC_PC22
:
373 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC22
];
375 case BFD_RELOC_SPARC_WPLT30
:
376 return &_bfd_sparc_elf_howto_table
[R_SPARC_WPLT30
];
378 case BFD_RELOC_SPARC_COPY
:
379 return &_bfd_sparc_elf_howto_table
[R_SPARC_COPY
];
381 case BFD_RELOC_SPARC_GLOB_DAT
:
382 return &_bfd_sparc_elf_howto_table
[R_SPARC_GLOB_DAT
];
384 case BFD_RELOC_SPARC_JMP_SLOT
:
385 return &_bfd_sparc_elf_howto_table
[R_SPARC_JMP_SLOT
];
387 case BFD_RELOC_SPARC_RELATIVE
:
388 return &_bfd_sparc_elf_howto_table
[R_SPARC_RELATIVE
];
390 case BFD_RELOC_SPARC_UA32
:
391 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA32
];
393 case BFD_RELOC_SPARC_PLT32
:
394 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT32
];
396 case BFD_RELOC_SPARC_10
:
397 return &_bfd_sparc_elf_howto_table
[R_SPARC_10
];
399 case BFD_RELOC_SPARC_11
:
400 return &_bfd_sparc_elf_howto_table
[R_SPARC_11
];
402 case BFD_RELOC_SPARC_64
:
403 return &_bfd_sparc_elf_howto_table
[R_SPARC_64
];
405 case BFD_RELOC_SPARC_OLO10
:
406 return &_bfd_sparc_elf_howto_table
[R_SPARC_OLO10
];
408 case BFD_RELOC_SPARC_HH22
:
409 return &_bfd_sparc_elf_howto_table
[R_SPARC_HH22
];
411 case BFD_RELOC_SPARC_HM10
:
412 return &_bfd_sparc_elf_howto_table
[R_SPARC_HM10
];
414 case BFD_RELOC_SPARC_LM22
:
415 return &_bfd_sparc_elf_howto_table
[R_SPARC_LM22
];
417 case BFD_RELOC_SPARC_PC_HH22
:
418 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HH22
];
420 case BFD_RELOC_SPARC_PC_HM10
:
421 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HM10
];
423 case BFD_RELOC_SPARC_PC_LM22
:
424 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_LM22
];
426 case BFD_RELOC_SPARC_WDISP16
:
427 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP16
];
429 case BFD_RELOC_SPARC_WDISP19
:
430 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP19
];
432 case BFD_RELOC_SPARC_7
:
433 return &_bfd_sparc_elf_howto_table
[R_SPARC_7
];
435 case BFD_RELOC_SPARC_5
:
436 return &_bfd_sparc_elf_howto_table
[R_SPARC_5
];
438 case BFD_RELOC_SPARC_6
:
439 return &_bfd_sparc_elf_howto_table
[R_SPARC_6
];
441 case BFD_RELOC_SPARC_DISP64
:
442 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP64
];
444 case BFD_RELOC_SPARC_PLT64
:
445 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT64
];
447 case BFD_RELOC_SPARC_HIX22
:
448 return &_bfd_sparc_elf_howto_table
[R_SPARC_HIX22
];
450 case BFD_RELOC_SPARC_LOX10
:
451 return &_bfd_sparc_elf_howto_table
[R_SPARC_LOX10
];
453 case BFD_RELOC_SPARC_H44
:
454 return &_bfd_sparc_elf_howto_table
[R_SPARC_H44
];
456 case BFD_RELOC_SPARC_M44
:
457 return &_bfd_sparc_elf_howto_table
[R_SPARC_M44
];
459 case BFD_RELOC_SPARC_L44
:
460 return &_bfd_sparc_elf_howto_table
[R_SPARC_L44
];
462 case BFD_RELOC_SPARC_REGISTER
:
463 return &_bfd_sparc_elf_howto_table
[R_SPARC_REGISTER
];
465 case BFD_RELOC_SPARC_UA64
:
466 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA64
];
468 case BFD_RELOC_SPARC_UA16
:
469 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA16
];
471 case BFD_RELOC_SPARC_TLS_GD_HI22
:
472 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_HI22
];
474 case BFD_RELOC_SPARC_TLS_GD_LO10
:
475 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_LO10
];
477 case BFD_RELOC_SPARC_TLS_GD_ADD
:
478 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_ADD
];
480 case BFD_RELOC_SPARC_TLS_GD_CALL
:
481 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_CALL
];
483 case BFD_RELOC_SPARC_TLS_LDM_HI22
:
484 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_HI22
];
486 case BFD_RELOC_SPARC_TLS_LDM_LO10
:
487 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_LO10
];
489 case BFD_RELOC_SPARC_TLS_LDM_ADD
:
490 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_ADD
];
492 case BFD_RELOC_SPARC_TLS_LDM_CALL
:
493 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_CALL
];
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22
:
496 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_HIX22
];
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10
:
499 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_LOX10
];
501 case BFD_RELOC_SPARC_TLS_LDO_ADD
:
502 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_ADD
];
504 case BFD_RELOC_SPARC_TLS_IE_HI22
:
505 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_HI22
];
507 case BFD_RELOC_SPARC_TLS_IE_LO10
:
508 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LO10
];
510 case BFD_RELOC_SPARC_TLS_IE_LD
:
511 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LD
];
513 case BFD_RELOC_SPARC_TLS_IE_LDX
:
514 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LDX
];
516 case BFD_RELOC_SPARC_TLS_IE_ADD
:
517 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_ADD
];
519 case BFD_RELOC_SPARC_TLS_LE_HIX22
:
520 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_HIX22
];
522 case BFD_RELOC_SPARC_TLS_LE_LOX10
:
523 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_LOX10
];
525 case BFD_RELOC_SPARC_TLS_DTPMOD32
:
526 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD32
];
528 case BFD_RELOC_SPARC_TLS_DTPMOD64
:
529 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD64
];
531 case BFD_RELOC_SPARC_TLS_DTPOFF32
:
532 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF32
];
534 case BFD_RELOC_SPARC_TLS_DTPOFF64
:
535 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF64
];
537 case BFD_RELOC_SPARC_TLS_TPOFF32
:
538 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF32
];
540 case BFD_RELOC_SPARC_TLS_TPOFF64
:
541 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF64
];
543 case BFD_RELOC_SPARC_GOTDATA_HIX22
:
544 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_HIX22
];
546 case BFD_RELOC_SPARC_GOTDATA_LOX10
:
547 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_LOX10
];
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22
:
550 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_HIX22
];
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10
:
553 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_LOX10
];
555 case BFD_RELOC_SPARC_GOTDATA_OP
:
556 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP
];
558 case BFD_RELOC_SPARC_H34
:
559 return &_bfd_sparc_elf_howto_table
[R_SPARC_H34
];
561 case BFD_RELOC_SPARC_SIZE32
:
562 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE32
];
564 case BFD_RELOC_SPARC_SIZE64
:
565 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE64
];
567 case BFD_RELOC_SPARC_WDISP10
:
568 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP10
];
570 case BFD_RELOC_SPARC_JMP_IREL
:
571 return &sparc_jmp_irel_howto
;
573 case BFD_RELOC_SPARC_IRELATIVE
:
574 return &sparc_irelative_howto
;
576 case BFD_RELOC_VTABLE_INHERIT
:
577 return &sparc_vtinherit_howto
;
579 case BFD_RELOC_VTABLE_ENTRY
:
580 return &sparc_vtentry_howto
;
582 case BFD_RELOC_SPARC_REV32
:
583 return &sparc_rev32_howto
;
588 bfd_set_error (bfd_error_bad_value
);
593 _bfd_sparc_elf_reloc_name_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
599 i
< (sizeof (_bfd_sparc_elf_howto_table
)
600 / sizeof (_bfd_sparc_elf_howto_table
[0]));
602 if (_bfd_sparc_elf_howto_table
[i
].name
!= NULL
603 && strcasecmp (_bfd_sparc_elf_howto_table
[i
].name
, r_name
) == 0)
604 return &_bfd_sparc_elf_howto_table
[i
];
606 if (strcasecmp (sparc_vtinherit_howto
.name
, r_name
) == 0)
607 return &sparc_vtinherit_howto
;
608 if (strcasecmp (sparc_vtentry_howto
.name
, r_name
) == 0)
609 return &sparc_vtentry_howto
;
610 if (strcasecmp (sparc_rev32_howto
.name
, r_name
) == 0)
611 return &sparc_rev32_howto
;
617 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type
)
621 case R_SPARC_JMP_IREL
:
622 return &sparc_jmp_irel_howto
;
624 case R_SPARC_IRELATIVE
:
625 return &sparc_irelative_howto
;
627 case R_SPARC_GNU_VTINHERIT
:
628 return &sparc_vtinherit_howto
;
630 case R_SPARC_GNU_VTENTRY
:
631 return &sparc_vtentry_howto
;
634 return &sparc_rev32_howto
;
637 if (r_type
>= (unsigned int) R_SPARC_max_std
)
639 _bfd_error_handler (_("invalid relocation type %d"), (int) r_type
);
640 r_type
= R_SPARC_NONE
;
642 return &_bfd_sparc_elf_howto_table
[r_type
];
646 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
647 so just take advantage of that. */
648 #define SPARC_ELF_R_TYPE(r_info) \
652 _bfd_sparc_elf_info_to_howto (bfd
*abfd ATTRIBUTE_UNUSED
, arelent
*cache_ptr
,
653 Elf_Internal_Rela
*dst
)
655 unsigned int r_type
= SPARC_ELF_R_TYPE (dst
->r_info
);
657 cache_ptr
->howto
= _bfd_sparc_elf_info_to_howto_ptr (r_type
);
661 /* The nop opcode we use. */
662 #define SPARC_NOP 0x01000000
664 #define SPARC_INSN_BYTES 4
666 /* The SPARC linker needs to keep track of the number of relocs that it
667 decides to copy as dynamic relocs in check_relocs for each symbol.
668 This is so that it can later discard them if they are found to be
669 unnecessary. We store the information in a field extending the
670 regular ELF linker hash table. */
672 struct _bfd_sparc_elf_dyn_relocs
674 struct _bfd_sparc_elf_dyn_relocs
*next
;
676 /* The input section of the reloc. */
679 /* Total number of relocs copied for the input section. */
682 /* Number of pc-relative relocs copied for the input section. */
683 bfd_size_type pc_count
;
686 /* SPARC ELF linker hash entry. */
688 struct _bfd_sparc_elf_link_hash_entry
690 struct elf_link_hash_entry elf
;
692 /* Track dynamic relocs copied for this symbol. */
693 struct _bfd_sparc_elf_dyn_relocs
*dyn_relocs
;
695 #define GOT_UNKNOWN 0
699 unsigned char tls_type
;
702 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
704 struct _bfd_sparc_elf_obj_tdata
706 struct elf_obj_tdata root
;
708 /* tls_type for each local got entry. */
709 char *local_got_tls_type
;
711 /* TRUE if TLS GD relocs has been seen for this object. */
712 bfd_boolean has_tlsgd
;
715 #define _bfd_sparc_elf_tdata(abfd) \
716 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
718 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
719 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
721 #define is_sparc_elf(bfd) \
722 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
723 && elf_tdata (bfd) != NULL \
724 && elf_object_id (bfd) == SPARC_ELF_DATA)
727 _bfd_sparc_elf_mkobject (bfd
*abfd
)
729 return bfd_elf_allocate_object (abfd
, sizeof (struct _bfd_sparc_elf_obj_tdata
),
734 sparc_put_word_32 (bfd
*abfd
, bfd_vma val
, void *ptr
)
736 bfd_put_32 (abfd
, val
, ptr
);
740 sparc_put_word_64 (bfd
*abfd
, bfd_vma val
, void *ptr
)
742 bfd_put_64 (abfd
, val
, ptr
);
746 sparc_elf_append_rela (bfd
*abfd
, asection
*s
, Elf_Internal_Rela
*rel
)
748 const struct elf_backend_data
*bed
;
751 bed
= get_elf_backend_data (abfd
);
752 loc
= s
->contents
+ (s
->reloc_count
++ * bed
->s
->sizeof_rela
);
753 bed
->s
->swap_reloca_out (abfd
, rel
, loc
);
757 sparc_elf_r_info_64 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
758 bfd_vma rel_index ATTRIBUTE_UNUSED
,
759 bfd_vma type ATTRIBUTE_UNUSED
)
761 return ELF64_R_INFO (rel_index
,
763 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel
->r_info
),
768 sparc_elf_r_info_32 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
769 bfd_vma rel_index
, bfd_vma type
)
771 return ELF32_R_INFO (rel_index
, type
);
775 sparc_elf_r_symndx_64 (bfd_vma r_info
)
777 bfd_vma r_symndx
= ELF32_R_SYM (r_info
);
778 return (r_symndx
>> 24);
782 sparc_elf_r_symndx_32 (bfd_vma r_info
)
784 return ELF32_R_SYM (r_info
);
789 #define PLT32_ENTRY_SIZE 12
790 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
792 /* The first four entries in a 32-bit procedure linkage table are reserved,
793 and the initial contents are unimportant (we zero them out).
794 Subsequent entries look like this. See the SVR4 ABI SPARC
795 supplement to see how this works. */
797 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
798 #define PLT32_ENTRY_WORD0 0x03000000
799 /* b,a .plt0. We fill in the offset later. */
800 #define PLT32_ENTRY_WORD1 0x30800000
802 #define PLT32_ENTRY_WORD2 SPARC_NOP
805 sparc32_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
806 bfd_vma max ATTRIBUTE_UNUSED
,
809 bfd_put_32 (output_bfd
,
810 PLT32_ENTRY_WORD0
+ offset
,
811 splt
->contents
+ offset
);
812 bfd_put_32 (output_bfd
,
814 + (((- (offset
+ 4)) >> 2) & 0x3fffff)),
815 splt
->contents
+ offset
+ 4);
816 bfd_put_32 (output_bfd
, (bfd_vma
) PLT32_ENTRY_WORD2
,
817 splt
->contents
+ offset
+ 8);
821 return offset
/ PLT32_ENTRY_SIZE
- 4;
824 /* Both the headers and the entries are icache aligned. */
825 #define PLT64_ENTRY_SIZE 32
826 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
827 #define PLT64_LARGE_THRESHOLD 32768
830 sparc64_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
831 bfd_vma max
, bfd_vma
*r_offset
)
833 unsigned char *entry
= splt
->contents
+ offset
;
834 const unsigned int nop
= SPARC_NOP
;
837 if (offset
< (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
839 unsigned int sethi
, ba
;
843 plt_index
= (offset
/ PLT64_ENTRY_SIZE
);
845 sethi
= 0x03000000 | (plt_index
* PLT64_ENTRY_SIZE
);
847 | (((splt
->contents
+ PLT64_ENTRY_SIZE
) - (entry
+ 4)) / 4 & 0x7ffff);
849 bfd_put_32 (output_bfd
, (bfd_vma
) sethi
, entry
);
850 bfd_put_32 (output_bfd
, (bfd_vma
) ba
, entry
+ 4);
851 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 8);
852 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 12);
853 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 16);
854 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 20);
855 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 24);
856 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 28);
862 int block
, last_block
, ofs
, last_ofs
, chunks_this_block
;
863 const int insn_chunk_size
= (6 * 4);
864 const int ptr_chunk_size
= (1 * 8);
865 const int entries_per_block
= 160;
866 const int block_size
= entries_per_block
* (insn_chunk_size
869 /* Entries 32768 and higher are grouped into blocks of 160.
870 The blocks are further subdivided into 160 sequences of
871 6 instructions and 160 pointers. If a block does not require
872 the full 160 entries, let's say it requires N, then there
873 will be N sequences of 6 instructions and N pointers. */
875 offset
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
876 max
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
878 block
= offset
/ block_size
;
879 last_block
= max
/ block_size
;
880 if (block
!= last_block
)
882 chunks_this_block
= 160;
886 last_ofs
= max
% block_size
;
887 chunks_this_block
= last_ofs
/ (insn_chunk_size
+ ptr_chunk_size
);
890 ofs
= offset
% block_size
;
892 plt_index
= (PLT64_LARGE_THRESHOLD
+
894 (ofs
/ insn_chunk_size
));
897 + (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
898 + (block
* block_size
)
899 + (chunks_this_block
* insn_chunk_size
)
900 + (ofs
/ insn_chunk_size
) * ptr_chunk_size
;
902 *r_offset
= (bfd_vma
) (ptr
- splt
->contents
);
904 ldx
= 0xc25be000 | ((ptr
- (entry
+4)) & 0x1fff);
912 bfd_put_32 (output_bfd
, (bfd_vma
) 0x8a10000f, entry
);
913 bfd_put_32 (output_bfd
, (bfd_vma
) 0x40000002, entry
+ 4);
914 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
, entry
+ 8);
915 bfd_put_32 (output_bfd
, (bfd_vma
) ldx
, entry
+ 12);
916 bfd_put_32 (output_bfd
, (bfd_vma
) 0x83c3c001, entry
+ 16);
917 bfd_put_32 (output_bfd
, (bfd_vma
) 0x9e100005, entry
+ 20);
919 bfd_put_64 (output_bfd
, (bfd_vma
) (splt
->contents
- (entry
+ 4)), ptr
);
922 return plt_index
- 4;
925 /* The format of the first PLT entry in a VxWorks executable. */
926 static const bfd_vma sparc_vxworks_exec_plt0_entry
[] =
928 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
929 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
930 0xc4008000, /* ld [ %g2 ], %g2 */
931 0x81c08000, /* jmp %g2 */
935 /* The format of subsequent PLT entries. */
936 static const bfd_vma sparc_vxworks_exec_plt_entry
[] =
938 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
939 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
940 0xc2004000, /* ld [ %g1 ], %g1 */
941 0x81c04000, /* jmp %g1 */
942 0x01000000, /* nop */
943 0x03000000, /* sethi %hi(f@pltindex), %g1 */
944 0x10800000, /* b _PLT_resolve */
945 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
948 /* The format of the first PLT entry in a VxWorks shared object. */
949 static const bfd_vma sparc_vxworks_shared_plt0_entry
[] =
951 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
952 0x81c08000, /* jmp %g2 */
956 /* The format of subsequent PLT entries. */
957 static const bfd_vma sparc_vxworks_shared_plt_entry
[] =
959 0x03000000, /* sethi %hi(f@got), %g1 */
960 0x82106000, /* or %g1, %lo(f@got), %g1 */
961 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
962 0x81c04000, /* jmp %g1 */
963 0x01000000, /* nop */
964 0x03000000, /* sethi %hi(f@pltindex), %g1 */
965 0x10800000, /* b _PLT_resolve */
966 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
969 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
970 htab->put_word(bfd, val, ptr)
972 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
973 htab->r_info(in_rel, index, type)
975 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
976 htab->r_symndx(r_info)
978 #define SPARC_ELF_WORD_BYTES(htab) \
981 #define SPARC_ELF_RELA_BYTES(htab) \
984 #define SPARC_ELF_DTPOFF_RELOC(htab) \
987 #define SPARC_ELF_DTPMOD_RELOC(htab) \
990 #define SPARC_ELF_TPOFF_RELOC(htab) \
993 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
994 htab->build_plt_entry (obfd, splt, off, max, r_off)
996 /* Create an entry in an SPARC ELF linker hash table. */
998 static struct bfd_hash_entry
*
999 link_hash_newfunc (struct bfd_hash_entry
*entry
,
1000 struct bfd_hash_table
*table
, const char *string
)
1002 /* Allocate the structure if it has not already been allocated by a
1006 entry
= bfd_hash_allocate (table
,
1007 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1012 /* Call the allocation method of the superclass. */
1013 entry
= _bfd_elf_link_hash_newfunc (entry
, table
, string
);
1016 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1018 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) entry
;
1019 eh
->dyn_relocs
= NULL
;
1020 eh
->tls_type
= GOT_UNKNOWN
;
1026 /* The name of the dynamic interpreter. This is put in the .interp
1029 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1030 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1032 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1033 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1034 as global symbol. We reuse indx and dynstr_index for local symbol
1035 hash since they aren't used by global symbols in this backend. */
1038 elf_sparc_local_htab_hash (const void *ptr
)
1040 struct elf_link_hash_entry
*h
1041 = (struct elf_link_hash_entry
*) ptr
;
1042 return ELF_LOCAL_SYMBOL_HASH (h
->indx
, h
->dynstr_index
);
1045 /* Compare local hash entries. */
1048 elf_sparc_local_htab_eq (const void *ptr1
, const void *ptr2
)
1050 struct elf_link_hash_entry
*h1
1051 = (struct elf_link_hash_entry
*) ptr1
;
1052 struct elf_link_hash_entry
*h2
1053 = (struct elf_link_hash_entry
*) ptr2
;
1055 return h1
->indx
== h2
->indx
&& h1
->dynstr_index
== h2
->dynstr_index
;
1058 /* Find and/or create a hash entry for local symbol. */
1060 static struct elf_link_hash_entry
*
1061 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table
*htab
,
1062 bfd
*abfd
, const Elf_Internal_Rela
*rel
,
1065 struct _bfd_sparc_elf_link_hash_entry e
, *ret
;
1066 asection
*sec
= abfd
->sections
;
1067 unsigned long r_symndx
;
1071 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1072 h
= ELF_LOCAL_SYMBOL_HASH (sec
->id
, r_symndx
);
1074 e
.elf
.indx
= sec
->id
;
1075 e
.elf
.dynstr_index
= r_symndx
;
1076 slot
= htab_find_slot_with_hash (htab
->loc_hash_table
, &e
, h
,
1077 create
? INSERT
: NO_INSERT
);
1084 ret
= (struct _bfd_sparc_elf_link_hash_entry
*) *slot
;
1088 ret
= (struct _bfd_sparc_elf_link_hash_entry
*)
1089 objalloc_alloc ((struct objalloc
*) htab
->loc_hash_memory
,
1090 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1093 memset (ret
, 0, sizeof (*ret
));
1094 ret
->elf
.indx
= sec
->id
;
1095 ret
->elf
.dynstr_index
= r_symndx
;
1096 ret
->elf
.dynindx
= -1;
1097 ret
->elf
.plt
.offset
= (bfd_vma
) -1;
1098 ret
->elf
.got
.offset
= (bfd_vma
) -1;
1104 /* Destroy a SPARC ELF linker hash table. */
1107 _bfd_sparc_elf_link_hash_table_free (bfd
*obfd
)
1109 struct _bfd_sparc_elf_link_hash_table
*htab
1110 = (struct _bfd_sparc_elf_link_hash_table
*) obfd
->link
.hash
;
1112 if (htab
->loc_hash_table
)
1113 htab_delete (htab
->loc_hash_table
);
1114 if (htab
->loc_hash_memory
)
1115 objalloc_free ((struct objalloc
*) htab
->loc_hash_memory
);
1116 _bfd_elf_link_hash_table_free (obfd
);
1119 /* Create a SPARC ELF linker hash table. */
1121 struct bfd_link_hash_table
*
1122 _bfd_sparc_elf_link_hash_table_create (bfd
*abfd
)
1124 struct _bfd_sparc_elf_link_hash_table
*ret
;
1125 bfd_size_type amt
= sizeof (struct _bfd_sparc_elf_link_hash_table
);
1127 ret
= (struct _bfd_sparc_elf_link_hash_table
*) bfd_zmalloc (amt
);
1131 if (ABI_64_P (abfd
))
1133 ret
->put_word
= sparc_put_word_64
;
1134 ret
->r_info
= sparc_elf_r_info_64
;
1135 ret
->r_symndx
= sparc_elf_r_symndx_64
;
1136 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF64
;
1137 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD64
;
1138 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF64
;
1139 ret
->word_align_power
= 3;
1140 ret
->align_power_max
= 4;
1141 ret
->bytes_per_word
= 8;
1142 ret
->bytes_per_rela
= sizeof (Elf64_External_Rela
);
1143 ret
->dynamic_interpreter
= ELF64_DYNAMIC_INTERPRETER
;
1144 ret
->dynamic_interpreter_size
= sizeof ELF64_DYNAMIC_INTERPRETER
;
1146 ret
->build_plt_entry
= sparc64_plt_entry_build
;
1147 ret
->plt_header_size
= PLT64_HEADER_SIZE
;
1148 ret
->plt_entry_size
= PLT64_ENTRY_SIZE
;
1152 ret
->put_word
= sparc_put_word_32
;
1153 ret
->r_info
= sparc_elf_r_info_32
;
1154 ret
->r_symndx
= sparc_elf_r_symndx_32
;
1155 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF32
;
1156 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD32
;
1157 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF32
;
1158 ret
->word_align_power
= 2;
1159 ret
->align_power_max
= 3;
1160 ret
->bytes_per_word
= 4;
1161 ret
->bytes_per_rela
= sizeof (Elf32_External_Rela
);
1162 ret
->dynamic_interpreter
= ELF32_DYNAMIC_INTERPRETER
;
1163 ret
->dynamic_interpreter_size
= sizeof ELF32_DYNAMIC_INTERPRETER
;
1165 ret
->build_plt_entry
= sparc32_plt_entry_build
;
1166 ret
->plt_header_size
= PLT32_HEADER_SIZE
;
1167 ret
->plt_entry_size
= PLT32_ENTRY_SIZE
;
1170 if (!_bfd_elf_link_hash_table_init (&ret
->elf
, abfd
, link_hash_newfunc
,
1171 sizeof (struct _bfd_sparc_elf_link_hash_entry
),
1178 ret
->loc_hash_table
= htab_try_create (1024,
1179 elf_sparc_local_htab_hash
,
1180 elf_sparc_local_htab_eq
,
1182 ret
->loc_hash_memory
= objalloc_create ();
1183 if (!ret
->loc_hash_table
|| !ret
->loc_hash_memory
)
1185 _bfd_sparc_elf_link_hash_table_free (abfd
);
1188 ret
->elf
.root
.hash_table_free
= _bfd_sparc_elf_link_hash_table_free
;
1190 return &ret
->elf
.root
;
1193 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1194 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1198 _bfd_sparc_elf_create_dynamic_sections (bfd
*dynobj
,
1199 struct bfd_link_info
*info
)
1201 struct _bfd_sparc_elf_link_hash_table
*htab
;
1203 htab
= _bfd_sparc_elf_hash_table (info
);
1204 BFD_ASSERT (htab
!= NULL
);
1206 if (!_bfd_elf_create_dynamic_sections (dynobj
, info
))
1209 if (htab
->is_vxworks
)
1211 if (!elf_vxworks_create_dynamic_sections (dynobj
, info
, &htab
->srelplt2
))
1213 if (bfd_link_pic (info
))
1215 htab
->plt_header_size
1216 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
);
1217 htab
->plt_entry_size
1218 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry
);
1222 htab
->plt_header_size
1223 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry
);
1224 htab
->plt_entry_size
1225 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry
);
1229 if (!htab
->elf
.splt
|| !htab
->elf
.srelplt
|| !htab
->elf
.sdynbss
1230 || (!bfd_link_pic (info
) && !htab
->elf
.srelbss
))
1237 create_ifunc_sections (bfd
*abfd
, struct bfd_link_info
*info
)
1239 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
1240 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
1241 flagword flags
, pltflags
;
1244 if (htab
->irelifunc
!= NULL
|| htab
->iplt
!= NULL
)
1247 flags
= bed
->dynamic_sec_flags
;
1248 pltflags
= flags
| SEC_ALLOC
| SEC_CODE
| SEC_LOAD
;
1250 s
= bfd_make_section_with_flags (abfd
, ".iplt", pltflags
);
1252 || ! bfd_set_section_alignment (abfd
, s
, bed
->plt_alignment
))
1256 s
= bfd_make_section_with_flags (abfd
, ".rela.iplt",
1257 flags
| SEC_READONLY
);
1259 || ! bfd_set_section_alignment (abfd
, s
,
1260 bed
->s
->log_file_align
))
1267 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1270 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info
*info
,
1271 struct elf_link_hash_entry
*dir
,
1272 struct elf_link_hash_entry
*ind
)
1274 struct _bfd_sparc_elf_link_hash_entry
*edir
, *eind
;
1276 edir
= (struct _bfd_sparc_elf_link_hash_entry
*) dir
;
1277 eind
= (struct _bfd_sparc_elf_link_hash_entry
*) ind
;
1279 if (eind
->dyn_relocs
!= NULL
)
1281 if (edir
->dyn_relocs
!= NULL
)
1283 struct _bfd_sparc_elf_dyn_relocs
**pp
;
1284 struct _bfd_sparc_elf_dyn_relocs
*p
;
1286 /* Add reloc counts against the indirect sym to the direct sym
1287 list. Merge any entries against the same section. */
1288 for (pp
= &eind
->dyn_relocs
; (p
= *pp
) != NULL
; )
1290 struct _bfd_sparc_elf_dyn_relocs
*q
;
1292 for (q
= edir
->dyn_relocs
; q
!= NULL
; q
= q
->next
)
1293 if (q
->sec
== p
->sec
)
1295 q
->pc_count
+= p
->pc_count
;
1296 q
->count
+= p
->count
;
1303 *pp
= edir
->dyn_relocs
;
1306 edir
->dyn_relocs
= eind
->dyn_relocs
;
1307 eind
->dyn_relocs
= NULL
;
1310 if (ind
->root
.type
== bfd_link_hash_indirect
1311 && dir
->got
.refcount
<= 0)
1313 edir
->tls_type
= eind
->tls_type
;
1314 eind
->tls_type
= GOT_UNKNOWN
;
1316 _bfd_elf_link_hash_copy_indirect (info
, dir
, ind
);
1320 sparc_elf_tls_transition (struct bfd_link_info
*info
, bfd
*abfd
,
1321 int r_type
, int is_local
)
1323 if (! ABI_64_P (abfd
)
1324 && r_type
== R_SPARC_TLS_GD_HI22
1325 && ! _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
)
1326 r_type
= R_SPARC_REV32
;
1328 if (bfd_link_pic (info
))
1333 case R_SPARC_TLS_GD_HI22
:
1335 return R_SPARC_TLS_LE_HIX22
;
1336 return R_SPARC_TLS_IE_HI22
;
1337 case R_SPARC_TLS_GD_LO10
:
1339 return R_SPARC_TLS_LE_LOX10
;
1340 return R_SPARC_TLS_IE_LO10
;
1341 case R_SPARC_TLS_IE_HI22
:
1343 return R_SPARC_TLS_LE_HIX22
;
1345 case R_SPARC_TLS_IE_LO10
:
1347 return R_SPARC_TLS_LE_LOX10
;
1349 case R_SPARC_TLS_LDM_HI22
:
1350 return R_SPARC_TLS_LE_HIX22
;
1351 case R_SPARC_TLS_LDM_LO10
:
1352 return R_SPARC_TLS_LE_LOX10
;
1358 /* Look through the relocs for a section during the first phase, and
1359 allocate space in the global offset table or procedure linkage
1363 _bfd_sparc_elf_check_relocs (bfd
*abfd
, struct bfd_link_info
*info
,
1364 asection
*sec
, const Elf_Internal_Rela
*relocs
)
1366 struct _bfd_sparc_elf_link_hash_table
*htab
;
1367 Elf_Internal_Shdr
*symtab_hdr
;
1368 struct elf_link_hash_entry
**sym_hashes
;
1369 const Elf_Internal_Rela
*rel
;
1370 const Elf_Internal_Rela
*rel_end
;
1373 bfd_boolean checked_tlsgd
= FALSE
;
1375 if (bfd_link_relocatable (info
))
1378 htab
= _bfd_sparc_elf_hash_table (info
);
1379 BFD_ASSERT (htab
!= NULL
);
1380 symtab_hdr
= &elf_symtab_hdr (abfd
);
1381 sym_hashes
= elf_sym_hashes (abfd
);
1385 if (ABI_64_P (abfd
))
1386 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec
));
1388 num_relocs
= sec
->reloc_count
;
1390 BFD_ASSERT (is_sparc_elf (abfd
) || num_relocs
== 0);
1392 if (htab
->elf
.dynobj
== NULL
)
1393 htab
->elf
.dynobj
= abfd
;
1394 if (!create_ifunc_sections (htab
->elf
.dynobj
, info
))
1397 rel_end
= relocs
+ num_relocs
;
1398 for (rel
= relocs
; rel
< rel_end
; rel
++)
1400 unsigned int r_type
;
1401 unsigned long r_symndx
;
1402 struct elf_link_hash_entry
*h
;
1403 Elf_Internal_Sym
*isym
;
1405 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1406 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1408 if (r_symndx
>= NUM_SHDR_ENTRIES (symtab_hdr
))
1410 /* xgettext:c-format */
1411 _bfd_error_handler (_("%B: bad symbol index: %d"), abfd
, r_symndx
);
1416 if (r_symndx
< symtab_hdr
->sh_info
)
1418 /* A local symbol. */
1419 isym
= bfd_sym_from_r_symndx (&htab
->sym_cache
,
1424 /* Check relocation against local STT_GNU_IFUNC symbol. */
1425 if (ELF_ST_TYPE (isym
->st_info
) == STT_GNU_IFUNC
)
1427 h
= elf_sparc_get_local_sym_hash (htab
, abfd
, rel
,
1432 /* Fake a STT_GNU_IFUNC symbol. */
1433 h
->type
= STT_GNU_IFUNC
;
1436 h
->forced_local
= 1;
1437 h
->root
.type
= bfd_link_hash_defined
;
1444 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1445 while (h
->root
.type
== bfd_link_hash_indirect
1446 || h
->root
.type
== bfd_link_hash_warning
)
1447 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1449 /* PR15323, ref flags aren't set for references in the same
1451 h
->root
.non_ir_ref
= 1;
1454 if (h
&& h
->type
== STT_GNU_IFUNC
)
1459 h
->plt
.refcount
+= 1;
1463 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1464 with R_SPARC_TLS_GD_HI22. */
1465 if (! ABI_64_P (abfd
) && ! checked_tlsgd
)
1468 case R_SPARC_TLS_GD_HI22
:
1470 const Elf_Internal_Rela
*relt
;
1472 for (relt
= rel
+ 1; relt
< rel_end
; relt
++)
1473 if (ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_LO10
1474 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_ADD
1475 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_CALL
)
1477 checked_tlsgd
= TRUE
;
1478 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= relt
< rel_end
;
1481 case R_SPARC_TLS_GD_LO10
:
1482 case R_SPARC_TLS_GD_ADD
:
1483 case R_SPARC_TLS_GD_CALL
:
1484 checked_tlsgd
= TRUE
;
1485 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= TRUE
;
1489 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
1492 case R_SPARC_TLS_LDM_HI22
:
1493 case R_SPARC_TLS_LDM_LO10
:
1494 htab
->tls_ldm_got
.refcount
+= 1;
1497 case R_SPARC_TLS_LE_HIX22
:
1498 case R_SPARC_TLS_LE_LOX10
:
1499 if (bfd_link_pic (info
))
1503 case R_SPARC_TLS_IE_HI22
:
1504 case R_SPARC_TLS_IE_LO10
:
1505 if (bfd_link_pic (info
))
1506 info
->flags
|= DF_STATIC_TLS
;
1512 case R_SPARC_GOTDATA_HIX22
:
1513 case R_SPARC_GOTDATA_LOX10
:
1514 case R_SPARC_GOTDATA_OP_HIX22
:
1515 case R_SPARC_GOTDATA_OP_LOX10
:
1516 case R_SPARC_TLS_GD_HI22
:
1517 case R_SPARC_TLS_GD_LO10
:
1518 /* This symbol requires a global offset table entry. */
1520 int tls_type
, old_tls_type
;
1528 case R_SPARC_GOTDATA_OP_HIX22
:
1529 case R_SPARC_GOTDATA_OP_LOX10
:
1530 tls_type
= GOT_NORMAL
;
1532 case R_SPARC_TLS_GD_HI22
:
1533 case R_SPARC_TLS_GD_LO10
:
1534 tls_type
= GOT_TLS_GD
;
1536 case R_SPARC_TLS_IE_HI22
:
1537 case R_SPARC_TLS_IE_LO10
:
1538 tls_type
= GOT_TLS_IE
;
1544 h
->got
.refcount
+= 1;
1545 old_tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
1549 bfd_signed_vma
*local_got_refcounts
;
1551 /* This is a global offset table entry for a local symbol. */
1552 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1553 if (local_got_refcounts
== NULL
)
1557 size
= symtab_hdr
->sh_info
;
1558 size
*= (sizeof (bfd_signed_vma
) + sizeof(char));
1559 local_got_refcounts
= ((bfd_signed_vma
*)
1560 bfd_zalloc (abfd
, size
));
1561 if (local_got_refcounts
== NULL
)
1563 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
1564 _bfd_sparc_elf_local_got_tls_type (abfd
)
1565 = (char *) (local_got_refcounts
+ symtab_hdr
->sh_info
);
1569 case R_SPARC_GOTDATA_OP_HIX22
:
1570 case R_SPARC_GOTDATA_OP_LOX10
:
1574 local_got_refcounts
[r_symndx
] += 1;
1577 old_tls_type
= _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
];
1580 /* If a TLS symbol is accessed using IE at least once,
1581 there is no point to use dynamic model for it. */
1582 if (old_tls_type
!= tls_type
&& old_tls_type
!= GOT_UNKNOWN
1583 && (old_tls_type
!= GOT_TLS_GD
1584 || tls_type
!= GOT_TLS_IE
))
1586 if (old_tls_type
== GOT_TLS_IE
&& tls_type
== GOT_TLS_GD
)
1587 tls_type
= old_tls_type
;
1591 /* xgettext:c-format */
1592 (_("%B: `%s' accessed both as normal and thread local symbol"),
1593 abfd
, h
? h
->root
.root
.string
: "<local>");
1598 if (old_tls_type
!= tls_type
)
1601 _bfd_sparc_elf_hash_entry (h
)->tls_type
= tls_type
;
1603 _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
] = tls_type
;
1607 if (htab
->elf
.sgot
== NULL
)
1609 if (!_bfd_elf_create_got_section (htab
->elf
.dynobj
, info
))
1614 case R_SPARC_TLS_GD_CALL
:
1615 case R_SPARC_TLS_LDM_CALL
:
1616 if (bfd_link_pic (info
))
1618 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1620 struct bfd_link_hash_entry
*bh
= NULL
;
1621 if (! _bfd_generic_link_add_one_symbol (info
, abfd
,
1622 "__tls_get_addr", 0,
1623 bfd_und_section_ptr
, 0,
1627 h
= (struct elf_link_hash_entry
*) bh
;
1634 case R_SPARC_WPLT30
:
1635 case R_SPARC_HIPLT22
:
1636 case R_SPARC_LOPLT10
:
1637 case R_SPARC_PCPLT32
:
1638 case R_SPARC_PCPLT22
:
1639 case R_SPARC_PCPLT10
:
1641 /* This symbol requires a procedure linkage table entry. We
1642 actually build the entry in adjust_dynamic_symbol,
1643 because this might be a case of linking PIC code without
1644 linking in any dynamic objects, in which case we don't
1645 need to generate a procedure linkage table after all. */
1649 if (! ABI_64_P (abfd
))
1651 /* The Solaris native assembler will generate a WPLT30
1652 reloc for a local symbol if you assemble a call from
1653 one section to another when using -K pic. We treat
1655 if (ELF32_R_TYPE (rel
->r_info
) == R_SPARC_PLT32
)
1659 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1660 else if (r_type
== R_SPARC_WPLT30
)
1663 /* It does not make sense to have a procedure linkage
1664 table entry for a local symbol. */
1665 bfd_set_error (bfd_error_bad_value
);
1674 this_r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1675 if (this_r_type
== R_SPARC_PLT32
1676 || this_r_type
== R_SPARC_PLT64
)
1679 h
->plt
.refcount
+= 1;
1684 case R_SPARC_PC_HH22
:
1685 case R_SPARC_PC_HM10
:
1686 case R_SPARC_PC_LM22
:
1691 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1696 case R_SPARC_DISP16
:
1697 case R_SPARC_DISP32
:
1698 case R_SPARC_DISP64
:
1699 case R_SPARC_WDISP30
:
1700 case R_SPARC_WDISP22
:
1701 case R_SPARC_WDISP19
:
1702 case R_SPARC_WDISP16
:
1703 case R_SPARC_WDISP10
:
1734 if (h
!= NULL
&& !bfd_link_pic (info
))
1736 /* We may need a .plt entry if the function this reloc
1737 refers to is in a shared lib. */
1738 h
->plt
.refcount
+= 1;
1741 /* If we are creating a shared library, and this is a reloc
1742 against a global symbol, or a non PC relative reloc
1743 against a local symbol, then we need to copy the reloc
1744 into the shared library. However, if we are linking with
1745 -Bsymbolic, we do not need to copy a reloc against a
1746 global symbol which is defined in an object we are
1747 including in the link (i.e., DEF_REGULAR is set). At
1748 this point we have not seen all the input files, so it is
1749 possible that DEF_REGULAR is not set now but will be set
1750 later (it is never cleared). In case of a weak definition,
1751 DEF_REGULAR may be cleared later by a strong definition in
1752 a shared library. We account for that possibility below by
1753 storing information in the relocs_copied field of the hash
1754 table entry. A similar situation occurs when creating
1755 shared libraries and symbol visibility changes render the
1758 If on the other hand, we are creating an executable, we
1759 may need to keep relocations for symbols satisfied by a
1760 dynamic library if we manage to avoid copy relocs for the
1762 if ((bfd_link_pic (info
)
1763 && (sec
->flags
& SEC_ALLOC
) != 0
1764 && (! _bfd_sparc_elf_howto_table
[r_type
].pc_relative
1766 && (! SYMBOLIC_BIND (info
, h
)
1767 || h
->root
.type
== bfd_link_hash_defweak
1768 || !h
->def_regular
))))
1769 || (!bfd_link_pic (info
)
1770 && (sec
->flags
& SEC_ALLOC
) != 0
1772 && (h
->root
.type
== bfd_link_hash_defweak
1773 || !h
->def_regular
))
1774 || (!bfd_link_pic (info
)
1776 && h
->type
== STT_GNU_IFUNC
))
1778 struct _bfd_sparc_elf_dyn_relocs
*p
;
1779 struct _bfd_sparc_elf_dyn_relocs
**head
;
1781 /* When creating a shared object, we must copy these
1782 relocs into the output file. We create a reloc
1783 section in dynobj and make room for the reloc. */
1786 sreloc
= _bfd_elf_make_dynamic_reloc_section
1787 (sec
, htab
->elf
.dynobj
, htab
->word_align_power
,
1788 abfd
, /*rela?*/ TRUE
);
1794 /* If this is a global symbol, we count the number of
1795 relocations we need for this symbol. */
1797 head
= &((struct _bfd_sparc_elf_link_hash_entry
*) h
)->dyn_relocs
;
1800 /* Track dynamic relocs needed for local syms too.
1801 We really need local syms available to do this
1806 BFD_ASSERT (isym
!= NULL
);
1807 s
= bfd_section_from_elf_index (abfd
, isym
->st_shndx
);
1811 vpp
= &elf_section_data (s
)->local_dynrel
;
1812 head
= (struct _bfd_sparc_elf_dyn_relocs
**) vpp
;
1816 if (p
== NULL
|| p
->sec
!= sec
)
1818 bfd_size_type amt
= sizeof *p
;
1819 p
= ((struct _bfd_sparc_elf_dyn_relocs
*)
1820 bfd_alloc (htab
->elf
.dynobj
, amt
));
1831 if (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
)
1837 case R_SPARC_GNU_VTINHERIT
:
1838 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
1842 case R_SPARC_GNU_VTENTRY
:
1843 BFD_ASSERT (h
!= NULL
);
1845 && !bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
1849 case R_SPARC_REGISTER
:
1850 /* Nothing to do. */
1862 _bfd_sparc_elf_gc_mark_hook (asection
*sec
,
1863 struct bfd_link_info
*info
,
1864 Elf_Internal_Rela
*rel
,
1865 struct elf_link_hash_entry
*h
,
1866 Elf_Internal_Sym
*sym
)
1869 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1871 case R_SPARC_GNU_VTINHERIT
:
1872 case R_SPARC_GNU_VTENTRY
:
1876 /* FIXME: The test here, in check_relocs and in relocate_section
1877 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
1878 if (bfd_link_pic (info
))
1880 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1882 case R_SPARC_TLS_GD_CALL
:
1883 case R_SPARC_TLS_LDM_CALL
:
1884 /* This reloc implicitly references __tls_get_addr. We know
1885 another reloc will reference the same symbol as the one
1886 on this reloc, so the real symbol and section will be
1887 gc marked when processing the other reloc. That lets
1888 us handle __tls_get_addr here. */
1889 h
= elf_link_hash_lookup (elf_hash_table (info
), "__tls_get_addr",
1890 FALSE
, FALSE
, TRUE
);
1891 BFD_ASSERT (h
!= NULL
);
1893 if (h
->u
.weakdef
!= NULL
)
1894 h
->u
.weakdef
->mark
= 1;
1899 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
1902 static Elf_Internal_Rela
*
1903 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela
*rel
,
1904 Elf_Internal_Rela
*relend
,
1907 while (rel
< relend
)
1909 if (rel
->r_offset
== offset
)
1916 /* Update the got entry reference counts for the section being removed. */
1918 _bfd_sparc_elf_gc_sweep_hook (bfd
*abfd
, struct bfd_link_info
*info
,
1919 asection
*sec
, const Elf_Internal_Rela
*relocs
)
1921 struct _bfd_sparc_elf_link_hash_table
*htab
;
1922 Elf_Internal_Shdr
*symtab_hdr
;
1923 struct elf_link_hash_entry
**sym_hashes
;
1924 bfd_signed_vma
*local_got_refcounts
;
1925 const Elf_Internal_Rela
*rel
, *relend
;
1927 if (bfd_link_relocatable (info
))
1930 BFD_ASSERT (is_sparc_elf (abfd
) || sec
->reloc_count
== 0);
1932 elf_section_data (sec
)->local_dynrel
= NULL
;
1934 htab
= _bfd_sparc_elf_hash_table (info
);
1935 BFD_ASSERT (htab
!= NULL
);
1936 symtab_hdr
= &elf_symtab_hdr (abfd
);
1937 sym_hashes
= elf_sym_hashes (abfd
);
1938 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1940 relend
= relocs
+ sec
->reloc_count
;
1941 for (rel
= relocs
; rel
< relend
; rel
++)
1943 unsigned long r_symndx
;
1944 unsigned int r_type
;
1945 struct elf_link_hash_entry
*h
= NULL
;
1947 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1948 if (r_symndx
>= symtab_hdr
->sh_info
)
1950 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1951 struct _bfd_sparc_elf_dyn_relocs
**pp
;
1952 struct _bfd_sparc_elf_dyn_relocs
*p
;
1954 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1955 while (h
->root
.type
== bfd_link_hash_indirect
1956 || h
->root
.type
== bfd_link_hash_warning
)
1957 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1958 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1959 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; pp
= &p
->next
)
1962 /* Everything must go for SEC. */
1968 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1969 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
1972 case R_SPARC_TLS_LDM_HI22
:
1973 case R_SPARC_TLS_LDM_LO10
:
1974 if (_bfd_sparc_elf_hash_table (info
)->tls_ldm_got
.refcount
> 0)
1975 _bfd_sparc_elf_hash_table (info
)->tls_ldm_got
.refcount
-= 1;
1978 case R_SPARC_TLS_GD_HI22
:
1979 case R_SPARC_TLS_GD_LO10
:
1980 case R_SPARC_TLS_IE_HI22
:
1981 case R_SPARC_TLS_IE_LO10
:
1985 case R_SPARC_GOTDATA_HIX22
:
1986 case R_SPARC_GOTDATA_LOX10
:
1987 case R_SPARC_GOTDATA_OP_HIX22
:
1988 case R_SPARC_GOTDATA_OP_LOX10
:
1991 if (h
->got
.refcount
> 0)
1998 case R_SPARC_GOTDATA_OP_HIX22
:
1999 case R_SPARC_GOTDATA_OP_LOX10
:
2003 if (local_got_refcounts
[r_symndx
] > 0)
2004 local_got_refcounts
[r_symndx
]--;
2012 case R_SPARC_PC_HH22
:
2013 case R_SPARC_PC_HM10
:
2014 case R_SPARC_PC_LM22
:
2016 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
2021 case R_SPARC_DISP16
:
2022 case R_SPARC_DISP32
:
2023 case R_SPARC_DISP64
:
2024 case R_SPARC_WDISP30
:
2025 case R_SPARC_WDISP22
:
2026 case R_SPARC_WDISP19
:
2027 case R_SPARC_WDISP16
:
2028 case R_SPARC_WDISP10
:
2056 if (bfd_link_pic (info
))
2060 case R_SPARC_WPLT30
:
2063 if (h
->plt
.refcount
> 0)
2076 /* Adjust a symbol defined by a dynamic object and referenced by a
2077 regular object. The current definition is in some section of the
2078 dynamic object, but we're not including those sections. We have to
2079 change the definition to something the rest of the link can
2083 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info
*info
,
2084 struct elf_link_hash_entry
*h
)
2086 struct _bfd_sparc_elf_link_hash_table
*htab
;
2087 struct _bfd_sparc_elf_link_hash_entry
* eh
;
2088 struct _bfd_sparc_elf_dyn_relocs
*p
;
2091 htab
= _bfd_sparc_elf_hash_table (info
);
2092 BFD_ASSERT (htab
!= NULL
);
2094 /* Make sure we know what is going on here. */
2095 BFD_ASSERT (htab
->elf
.dynobj
!= NULL
2097 || h
->type
== STT_GNU_IFUNC
2098 || h
->u
.weakdef
!= NULL
2101 && !h
->def_regular
)));
2103 /* If this is a function, put it in the procedure linkage table. We
2104 will fill in the contents of the procedure linkage table later
2105 (although we could actually do it here). The STT_NOTYPE
2106 condition is a hack specifically for the Oracle libraries
2107 delivered for Solaris; for some inexplicable reason, they define
2108 some of their functions as STT_NOTYPE when they really should be
2110 if (h
->type
== STT_FUNC
2111 || h
->type
== STT_GNU_IFUNC
2113 || (h
->type
== STT_NOTYPE
2114 && (h
->root
.type
== bfd_link_hash_defined
2115 || h
->root
.type
== bfd_link_hash_defweak
)
2116 && (h
->root
.u
.def
.section
->flags
& SEC_CODE
) != 0))
2118 if (h
->plt
.refcount
<= 0
2119 || (h
->type
!= STT_GNU_IFUNC
2120 && (SYMBOL_CALLS_LOCAL (info
, h
)
2121 || (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2122 && h
->root
.type
== bfd_link_hash_undefweak
))))
2124 /* This case can occur if we saw a WPLT30 reloc in an input
2125 file, but the symbol was never referred to by a dynamic
2126 object, or if all references were garbage collected. In
2127 such a case, we don't actually need to build a procedure
2128 linkage table, and we can just do a WDISP30 reloc instead. */
2129 h
->plt
.offset
= (bfd_vma
) -1;
2136 h
->plt
.offset
= (bfd_vma
) -1;
2138 /* If this is a weak symbol, and there is a real definition, the
2139 processor independent code will have arranged for us to see the
2140 real definition first, and we can just use the same value. */
2141 if (h
->u
.weakdef
!= NULL
)
2143 BFD_ASSERT (h
->u
.weakdef
->root
.type
== bfd_link_hash_defined
2144 || h
->u
.weakdef
->root
.type
== bfd_link_hash_defweak
);
2145 h
->root
.u
.def
.section
= h
->u
.weakdef
->root
.u
.def
.section
;
2146 h
->root
.u
.def
.value
= h
->u
.weakdef
->root
.u
.def
.value
;
2150 /* This is a reference to a symbol defined by a dynamic object which
2151 is not a function. */
2153 /* If we are creating a shared library, we must presume that the
2154 only references to the symbol are via the global offset table.
2155 For such cases we need not do anything here; the relocations will
2156 be handled correctly by relocate_section. */
2157 if (bfd_link_pic (info
))
2160 /* If there are no references to this symbol that do not use the
2161 GOT, we don't need to generate a copy reloc. */
2162 if (!h
->non_got_ref
)
2165 /* If -z nocopyreloc was given, we won't generate them either. */
2166 if (info
->nocopyreloc
)
2172 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2173 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2175 s
= p
->sec
->output_section
;
2176 if (s
!= NULL
&& (s
->flags
& SEC_READONLY
) != 0)
2180 /* If we didn't find any dynamic relocs in read-only sections, then
2181 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2188 /* We must allocate the symbol in our .dynbss section, which will
2189 become part of the .bss section of the executable. There will be
2190 an entry for this symbol in the .dynsym section. The dynamic
2191 object will contain position independent code, so all references
2192 from the dynamic object to this symbol will go through the global
2193 offset table. The dynamic linker will use the .dynsym entry to
2194 determine the address it must put in the global offset table, so
2195 both the dynamic object and the regular object will refer to the
2196 same memory location for the variable. */
2198 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2199 to copy the initial value out of the dynamic object and into the
2200 runtime process image. We need to remember the offset into the
2201 .rel.bss section we are going to use. */
2202 if ((h
->root
.u
.def
.section
->flags
& SEC_READONLY
) != 0)
2204 s
= htab
->elf
.sdynrelro
;
2205 srel
= htab
->elf
.sreldynrelro
;
2209 s
= htab
->elf
.sdynbss
;
2210 srel
= htab
->elf
.srelbss
;
2212 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0 && h
->size
!= 0)
2214 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2218 return _bfd_elf_adjust_dynamic_copy (info
, h
, s
);
2221 /* Allocate space in .plt, .got and associated reloc sections for
2225 allocate_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2227 struct bfd_link_info
*info
;
2228 struct _bfd_sparc_elf_link_hash_table
*htab
;
2229 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2230 struct _bfd_sparc_elf_dyn_relocs
*p
;
2232 if (h
->root
.type
== bfd_link_hash_indirect
)
2235 info
= (struct bfd_link_info
*) inf
;
2236 htab
= _bfd_sparc_elf_hash_table (info
);
2237 BFD_ASSERT (htab
!= NULL
);
2239 if ((htab
->elf
.dynamic_sections_created
2240 && h
->plt
.refcount
> 0)
2241 || (h
->type
== STT_GNU_IFUNC
2245 /* Make sure this symbol is output as a dynamic symbol.
2246 Undefined weak syms won't yet be marked as dynamic. */
2247 if (h
->dynindx
== -1
2248 && !h
->forced_local
)
2250 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2254 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info
), h
)
2255 || (h
->type
== STT_GNU_IFUNC
2258 asection
*s
= htab
->elf
.splt
;
2263 /* Allocate room for the header. */
2266 s
->size
= htab
->plt_header_size
;
2268 /* Allocate space for the .rela.plt.unloaded relocations. */
2269 if (htab
->is_vxworks
&& !bfd_link_pic (info
))
2270 htab
->srelplt2
->size
= sizeof (Elf32_External_Rela
) * 2;
2273 /* The procedure linkage table size is bounded by the magnitude
2274 of the offset we can describe in the entry. */
2275 if (s
->size
>= (SPARC_ELF_WORD_BYTES(htab
) == 8 ?
2276 (((bfd_vma
)1 << 31) << 1) : 0x400000))
2278 bfd_set_error (bfd_error_bad_value
);
2282 if (SPARC_ELF_WORD_BYTES(htab
) == 8
2283 && s
->size
>= PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
2285 bfd_vma off
= s
->size
- PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
;
2288 off
= (off
% (160 * PLT64_ENTRY_SIZE
)) / PLT64_ENTRY_SIZE
;
2290 h
->plt
.offset
= (s
->size
- (off
* 8));
2293 h
->plt
.offset
= s
->size
;
2295 /* If this symbol is not defined in a regular file, and we are
2296 not generating a shared library, then set the symbol to this
2297 location in the .plt. This is required to make function
2298 pointers compare as equal between the normal executable and
2299 the shared library. */
2300 if (! bfd_link_pic (info
)
2303 h
->root
.u
.def
.section
= s
;
2304 h
->root
.u
.def
.value
= h
->plt
.offset
;
2307 /* Make room for this entry. */
2308 s
->size
+= htab
->plt_entry_size
;
2310 /* We also need to make an entry in the .rela.plt section. */
2311 if (s
== htab
->elf
.splt
)
2312 htab
->elf
.srelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2314 htab
->elf
.irelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2316 if (htab
->is_vxworks
)
2318 /* Allocate space for the .got.plt entry. */
2319 htab
->elf
.sgotplt
->size
+= 4;
2321 /* ...and for the .rela.plt.unloaded relocations. */
2322 if (!bfd_link_pic (info
))
2323 htab
->srelplt2
->size
+= sizeof (Elf32_External_Rela
) * 3;
2328 h
->plt
.offset
= (bfd_vma
) -1;
2334 h
->plt
.offset
= (bfd_vma
) -1;
2338 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2339 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2340 if (h
->got
.refcount
> 0
2341 && !bfd_link_pic (info
)
2343 && _bfd_sparc_elf_hash_entry(h
)->tls_type
== GOT_TLS_IE
)
2344 h
->got
.offset
= (bfd_vma
) -1;
2345 else if (h
->got
.refcount
> 0)
2349 int tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
2351 /* Make sure this symbol is output as a dynamic symbol.
2352 Undefined weak syms won't yet be marked as dynamic. */
2353 if (h
->dynindx
== -1
2354 && !h
->forced_local
)
2356 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2361 h
->got
.offset
= s
->size
;
2362 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2363 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2364 if (tls_type
== GOT_TLS_GD
)
2365 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2366 dyn
= htab
->elf
.dynamic_sections_created
;
2367 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2368 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2370 if ((tls_type
== GOT_TLS_GD
&& h
->dynindx
== -1)
2371 || tls_type
== GOT_TLS_IE
2372 || h
->type
== STT_GNU_IFUNC
)
2373 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2374 else if (tls_type
== GOT_TLS_GD
)
2375 htab
->elf
.srelgot
->size
+= 2 * SPARC_ELF_RELA_BYTES (htab
);
2376 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
2377 bfd_link_pic (info
),
2379 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2382 h
->got
.offset
= (bfd_vma
) -1;
2384 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2385 if (eh
->dyn_relocs
== NULL
)
2388 /* In the shared -Bsymbolic case, discard space allocated for
2389 dynamic pc-relative relocs against symbols which turn out to be
2390 defined in regular objects. For the normal shared case, discard
2391 space for pc-relative relocs that have become local due to symbol
2392 visibility changes. */
2394 if (bfd_link_pic (info
))
2396 if (SYMBOL_CALLS_LOCAL (info
, h
))
2398 struct _bfd_sparc_elf_dyn_relocs
**pp
;
2400 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2402 p
->count
-= p
->pc_count
;
2411 if (htab
->is_vxworks
)
2413 struct _bfd_sparc_elf_dyn_relocs
**pp
;
2415 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2417 if (strcmp (p
->sec
->output_section
->name
, ".tls_vars") == 0)
2424 /* Also discard relocs on undefined weak syms with non-default
2426 if (eh
->dyn_relocs
!= NULL
2427 && h
->root
.type
== bfd_link_hash_undefweak
)
2429 if (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
2430 eh
->dyn_relocs
= NULL
;
2432 /* Make sure undefined weak symbols are output as a dynamic
2434 else if (h
->dynindx
== -1
2435 && !h
->forced_local
)
2437 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2444 /* For the non-shared case, discard space for relocs against
2445 symbols which turn out to need copy relocs or are not
2451 || (htab
->elf
.dynamic_sections_created
2452 && (h
->root
.type
== bfd_link_hash_undefweak
2453 || h
->root
.type
== bfd_link_hash_undefined
))))
2455 /* Make sure this symbol is output as a dynamic symbol.
2456 Undefined weak syms won't yet be marked as dynamic. */
2457 if (h
->dynindx
== -1
2458 && !h
->forced_local
)
2460 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2464 /* If that succeeded, we know we'll be keeping all the
2466 if (h
->dynindx
!= -1)
2470 eh
->dyn_relocs
= NULL
;
2475 /* Finally, allocate space. */
2476 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2478 asection
*sreloc
= elf_section_data (p
->sec
)->sreloc
;
2479 sreloc
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2485 /* Allocate space in .plt, .got and associated reloc sections for
2486 local dynamic relocs. */
2489 allocate_local_dynrelocs (void **slot
, void *inf
)
2491 struct elf_link_hash_entry
*h
2492 = (struct elf_link_hash_entry
*) *slot
;
2494 if (h
->type
!= STT_GNU_IFUNC
2498 || h
->root
.type
!= bfd_link_hash_defined
)
2501 return allocate_dynrelocs (h
, inf
);
2504 /* Find any dynamic relocs that apply to read-only sections. */
2507 readonly_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2509 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2510 struct _bfd_sparc_elf_dyn_relocs
*p
;
2512 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2513 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2515 asection
*s
= p
->sec
->output_section
;
2517 if (s
!= NULL
&& (s
->flags
& SEC_READONLY
) != 0)
2519 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
2521 info
->flags
|= DF_TEXTREL
;
2523 /* Not an error, just cut short the traversal. */
2530 /* Return true if the dynamic symbol for a given section should be
2531 omitted when creating a shared library. */
2534 _bfd_sparc_elf_omit_section_dynsym (bfd
*output_bfd
,
2535 struct bfd_link_info
*info
,
2538 /* We keep the .got section symbol so that explicit relocations
2539 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2540 can be turned into relocations against the .got symbol. */
2541 if (strcmp (p
->name
, ".got") == 0)
2544 return _bfd_elf_link_omit_section_dynsym (output_bfd
, info
, p
);
2547 /* Set the sizes of the dynamic sections. */
2550 _bfd_sparc_elf_size_dynamic_sections (bfd
*output_bfd
,
2551 struct bfd_link_info
*info
)
2553 struct _bfd_sparc_elf_link_hash_table
*htab
;
2558 htab
= _bfd_sparc_elf_hash_table (info
);
2559 BFD_ASSERT (htab
!= NULL
);
2560 dynobj
= htab
->elf
.dynobj
;
2561 BFD_ASSERT (dynobj
!= NULL
);
2563 if (elf_hash_table (info
)->dynamic_sections_created
)
2565 /* Set the contents of the .interp section to the interpreter. */
2566 if (bfd_link_executable (info
) && !info
->nointerp
)
2568 s
= bfd_get_linker_section (dynobj
, ".interp");
2569 BFD_ASSERT (s
!= NULL
);
2570 s
->size
= htab
->dynamic_interpreter_size
;
2571 s
->contents
= (unsigned char *) htab
->dynamic_interpreter
;
2575 /* Set up .got offsets for local syms, and space for local dynamic
2577 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2579 bfd_signed_vma
*local_got
;
2580 bfd_signed_vma
*end_local_got
;
2581 char *local_tls_type
;
2582 bfd_size_type locsymcount
;
2583 Elf_Internal_Shdr
*symtab_hdr
;
2586 if (! is_sparc_elf (ibfd
))
2589 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2591 struct _bfd_sparc_elf_dyn_relocs
*p
;
2593 for (p
= elf_section_data (s
)->local_dynrel
; p
!= NULL
; p
= p
->next
)
2595 if (!bfd_is_abs_section (p
->sec
)
2596 && bfd_is_abs_section (p
->sec
->output_section
))
2598 /* Input section has been discarded, either because
2599 it is a copy of a linkonce section or due to
2600 linker script /DISCARD/, so we'll be discarding
2603 else if (htab
->is_vxworks
2604 && strcmp (p
->sec
->output_section
->name
,
2607 /* Relocations in vxworks .tls_vars sections are
2608 handled specially by the loader. */
2610 else if (p
->count
!= 0)
2612 srel
= elf_section_data (p
->sec
)->sreloc
;
2613 if (!htab
->elf
.dynamic_sections_created
)
2614 srel
= htab
->elf
.irelplt
;
2615 srel
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2616 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2617 info
->flags
|= DF_TEXTREL
;
2622 local_got
= elf_local_got_refcounts (ibfd
);
2626 symtab_hdr
= &elf_symtab_hdr (ibfd
);
2627 locsymcount
= symtab_hdr
->sh_info
;
2628 end_local_got
= local_got
+ locsymcount
;
2629 local_tls_type
= _bfd_sparc_elf_local_got_tls_type (ibfd
);
2631 srel
= htab
->elf
.srelgot
;
2632 for (; local_got
< end_local_got
; ++local_got
, ++local_tls_type
)
2636 *local_got
= s
->size
;
2637 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2638 if (*local_tls_type
== GOT_TLS_GD
)
2639 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2640 if (bfd_link_pic (info
)
2641 || *local_tls_type
== GOT_TLS_GD
2642 || *local_tls_type
== GOT_TLS_IE
)
2643 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2646 *local_got
= (bfd_vma
) -1;
2650 if (htab
->tls_ldm_got
.refcount
> 0)
2652 /* Allocate 2 got entries and 1 dynamic reloc for
2653 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2654 htab
->tls_ldm_got
.offset
= htab
->elf
.sgot
->size
;
2655 htab
->elf
.sgot
->size
+= (2 * SPARC_ELF_WORD_BYTES (htab
));
2656 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2659 htab
->tls_ldm_got
.offset
= -1;
2661 /* Allocate global sym .plt and .got entries, and space for global
2662 sym dynamic relocs. */
2663 elf_link_hash_traverse (&htab
->elf
, allocate_dynrelocs
, info
);
2665 /* Allocate .plt and .got entries, and space for local symbols. */
2666 htab_traverse (htab
->loc_hash_table
, allocate_local_dynrelocs
, info
);
2668 if (! ABI_64_P (output_bfd
)
2669 && !htab
->is_vxworks
2670 && elf_hash_table (info
)->dynamic_sections_created
)
2672 /* Make space for the trailing nop in .plt. */
2673 if (htab
->elf
.splt
->size
> 0)
2674 htab
->elf
.splt
->size
+= 1 * SPARC_INSN_BYTES
;
2676 /* If the .got section is more than 0x1000 bytes, we add
2677 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2678 bit relocations have a greater chance of working.
2680 FIXME: Make this optimization work for 64-bit too. */
2681 if (htab
->elf
.sgot
->size
>= 0x1000
2682 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
2683 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
2686 /* The check_relocs and adjust_dynamic_symbol entry points have
2687 determined the sizes of the various dynamic sections. Allocate
2689 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2691 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2694 if (s
== htab
->elf
.splt
2695 || s
== htab
->elf
.sgot
2696 || s
== htab
->elf
.sdynbss
2697 || s
== htab
->elf
.sdynrelro
2698 || s
== htab
->elf
.iplt
2699 || s
== htab
->elf
.sgotplt
)
2701 /* Strip this section if we don't need it; see the
2704 else if (CONST_STRNEQ (s
->name
, ".rela"))
2708 /* We use the reloc_count field as a counter if we need
2709 to copy relocs into the output file. */
2715 /* It's not one of our sections. */
2721 /* If we don't need this section, strip it from the
2722 output file. This is mostly to handle .rela.bss and
2723 .rela.plt. We must create both sections in
2724 create_dynamic_sections, because they must be created
2725 before the linker maps input sections to output
2726 sections. The linker does that before
2727 adjust_dynamic_symbol is called, and it is that
2728 function which decides whether anything needs to go
2729 into these sections. */
2730 s
->flags
|= SEC_EXCLUDE
;
2734 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2737 /* Allocate memory for the section contents. Zero the memory
2738 for the benefit of .rela.plt, which has 4 unused entries
2739 at the beginning, and we don't want garbage. */
2740 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
2741 if (s
->contents
== NULL
)
2745 if (elf_hash_table (info
)->dynamic_sections_created
)
2747 /* Add some entries to the .dynamic section. We fill in the
2748 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2749 must add the entries now so that we get the correct size for
2750 the .dynamic section. The DT_DEBUG entry is filled in by the
2751 dynamic linker and used by the debugger. */
2752 #define add_dynamic_entry(TAG, VAL) \
2753 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2755 if (bfd_link_executable (info
))
2757 if (!add_dynamic_entry (DT_DEBUG
, 0))
2761 if (htab
->elf
.srelplt
->size
!= 0)
2763 if (!add_dynamic_entry (DT_PLTGOT
, 0)
2764 || !add_dynamic_entry (DT_PLTRELSZ
, 0)
2765 || !add_dynamic_entry (DT_PLTREL
, DT_RELA
)
2766 || !add_dynamic_entry (DT_JMPREL
, 0))
2770 if (!add_dynamic_entry (DT_RELA
, 0)
2771 || !add_dynamic_entry (DT_RELASZ
, 0)
2772 || !add_dynamic_entry (DT_RELAENT
,
2773 SPARC_ELF_RELA_BYTES (htab
)))
2776 /* If any dynamic relocs apply to a read-only section,
2777 then we need a DT_TEXTREL entry. */
2778 if ((info
->flags
& DF_TEXTREL
) == 0)
2779 elf_link_hash_traverse (&htab
->elf
, readonly_dynrelocs
, info
);
2781 if (info
->flags
& DF_TEXTREL
)
2783 if (!add_dynamic_entry (DT_TEXTREL
, 0))
2787 if (ABI_64_P (output_bfd
))
2790 struct _bfd_sparc_elf_app_reg
* app_regs
;
2791 struct elf_strtab_hash
*dynstr
;
2792 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
2794 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2795 entries if needed. */
2796 app_regs
= _bfd_sparc_elf_hash_table (info
)->app_regs
;
2797 dynstr
= eht
->dynstr
;
2799 for (reg
= 0; reg
< 4; reg
++)
2800 if (app_regs
[reg
].name
!= NULL
)
2802 struct elf_link_local_dynamic_entry
*entry
, *e
;
2804 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
2807 entry
= (struct elf_link_local_dynamic_entry
*)
2808 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
2812 /* We cheat here a little bit: the symbol will not be local, so we
2813 put it at the end of the dynlocal linked list. We will fix it
2814 later on, as we have to fix other fields anyway. */
2815 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
2816 entry
->isym
.st_size
= 0;
2817 if (*app_regs
[reg
].name
!= '\0')
2819 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
2821 entry
->isym
.st_name
= 0;
2822 entry
->isym
.st_other
= 0;
2823 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
2825 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
2826 entry
->isym
.st_target_internal
= 0;
2828 entry
->input_bfd
= output_bfd
;
2829 entry
->input_indx
= -1;
2831 if (eht
->dynlocal
== NULL
)
2832 eht
->dynlocal
= entry
;
2835 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
2842 if (htab
->is_vxworks
2843 && !elf_vxworks_add_dynamic_entries (output_bfd
, info
))
2846 #undef add_dynamic_entry
2852 _bfd_sparc_elf_new_section_hook (bfd
*abfd
, asection
*sec
)
2854 if (!sec
->used_by_bfd
)
2856 struct _bfd_sparc_elf_section_data
*sdata
;
2857 bfd_size_type amt
= sizeof (*sdata
);
2859 sdata
= bfd_zalloc (abfd
, amt
);
2862 sec
->used_by_bfd
= sdata
;
2865 return _bfd_elf_new_section_hook (abfd
, sec
);
2869 _bfd_sparc_elf_relax_section (bfd
*abfd ATTRIBUTE_UNUSED
,
2870 struct bfd_section
*section
,
2871 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
,
2874 if (bfd_link_relocatable (link_info
))
2875 (*link_info
->callbacks
->einfo
)
2876 (_("%P%F: --relax and -r may not be used together\n"));
2879 sec_do_relax (section
) = 1;
2883 /* Return the base VMA address which should be subtracted from real addresses
2884 when resolving @dtpoff relocation.
2885 This is PT_TLS segment p_vaddr. */
2888 dtpoff_base (struct bfd_link_info
*info
)
2890 /* If tls_sec is NULL, we should have signalled an error already. */
2891 if (elf_hash_table (info
)->tls_sec
== NULL
)
2893 return elf_hash_table (info
)->tls_sec
->vma
;
2896 /* Return the relocation value for @tpoff relocation
2897 if STT_TLS virtual address is ADDRESS. */
2900 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
2902 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2903 const struct elf_backend_data
*bed
= get_elf_backend_data (info
->output_bfd
);
2904 bfd_vma static_tls_size
;
2906 /* If tls_sec is NULL, we should have signalled an error already. */
2907 if (htab
->tls_sec
== NULL
)
2910 /* Consider special static TLS alignment requirements. */
2911 static_tls_size
= BFD_ALIGN (htab
->tls_size
, bed
->static_tls_alignment
);
2912 return address
- static_tls_size
- htab
->tls_sec
->vma
;
2915 /* Return the relocation value for a %gdop relocation. */
2918 gdopoff (struct bfd_link_info
*info
, bfd_vma address
)
2920 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2923 got_base
= (htab
->hgot
->root
.u
.def
.value
2924 + htab
->hgot
->root
.u
.def
.section
->output_offset
2925 + htab
->hgot
->root
.u
.def
.section
->output_section
->vma
);
2927 return address
- got_base
;
2930 /* Relocate a SPARC ELF section. */
2933 _bfd_sparc_elf_relocate_section (bfd
*output_bfd
,
2934 struct bfd_link_info
*info
,
2936 asection
*input_section
,
2938 Elf_Internal_Rela
*relocs
,
2939 Elf_Internal_Sym
*local_syms
,
2940 asection
**local_sections
)
2942 struct _bfd_sparc_elf_link_hash_table
*htab
;
2943 Elf_Internal_Shdr
*symtab_hdr
;
2944 struct elf_link_hash_entry
**sym_hashes
;
2945 bfd_vma
*local_got_offsets
;
2948 Elf_Internal_Rela
*rel
;
2949 Elf_Internal_Rela
*relend
;
2951 bfd_boolean is_vxworks_tls
;
2953 htab
= _bfd_sparc_elf_hash_table (info
);
2954 BFD_ASSERT (htab
!= NULL
);
2955 symtab_hdr
= &elf_symtab_hdr (input_bfd
);
2956 sym_hashes
= elf_sym_hashes (input_bfd
);
2957 local_got_offsets
= elf_local_got_offsets (input_bfd
);
2959 if (elf_hash_table (info
)->hgot
== NULL
)
2962 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
2964 sreloc
= elf_section_data (input_section
)->sreloc
;
2965 /* We have to handle relocations in vxworks .tls_vars sections
2966 specially, because the dynamic loader is 'weird'. */
2967 is_vxworks_tls
= (htab
->is_vxworks
&& bfd_link_pic (info
)
2968 && !strcmp (input_section
->output_section
->name
,
2972 if (ABI_64_P (output_bfd
))
2973 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section
));
2975 num_relocs
= input_section
->reloc_count
;
2976 relend
= relocs
+ num_relocs
;
2977 for (; rel
< relend
; rel
++)
2979 int r_type
, tls_type
;
2980 reloc_howto_type
*howto
;
2981 unsigned long r_symndx
;
2982 struct elf_link_hash_entry
*h
;
2983 Elf_Internal_Sym
*sym
;
2985 bfd_vma relocation
, off
;
2986 bfd_reloc_status_type r
;
2987 bfd_boolean is_plt
= FALSE
;
2988 bfd_boolean unresolved_reloc
;
2990 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
2991 if (r_type
== R_SPARC_GNU_VTINHERIT
2992 || r_type
== R_SPARC_GNU_VTENTRY
)
2995 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
2997 bfd_set_error (bfd_error_bad_value
);
3000 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3002 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
3006 unresolved_reloc
= FALSE
;
3007 if (r_symndx
< symtab_hdr
->sh_info
)
3009 sym
= local_syms
+ r_symndx
;
3010 sec
= local_sections
[r_symndx
];
3011 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
3013 if (!bfd_link_relocatable (info
)
3014 && ELF_ST_TYPE (sym
->st_info
) == STT_GNU_IFUNC
)
3016 /* Relocate against local STT_GNU_IFUNC symbol. */
3017 h
= elf_sparc_get_local_sym_hash (htab
, input_bfd
,
3022 /* Set STT_GNU_IFUNC symbol value. */
3023 h
->root
.u
.def
.value
= sym
->st_value
;
3024 h
->root
.u
.def
.section
= sec
;
3029 bfd_boolean warned
, ignored
;
3031 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
3032 r_symndx
, symtab_hdr
, sym_hashes
,
3034 unresolved_reloc
, warned
, ignored
);
3037 /* To avoid generating warning messages about truncated
3038 relocations, set the relocation's address to be the same as
3039 the start of this section. */
3040 if (input_section
->output_section
!= NULL
)
3041 relocation
= input_section
->output_section
->vma
;
3047 if (sec
!= NULL
&& discarded_section (sec
))
3048 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
3049 rel
, 1, relend
, howto
, 0, contents
);
3051 if (bfd_link_relocatable (info
))
3055 && h
->type
== STT_GNU_IFUNC
3061 if ((input_section
->flags
& SEC_ALLOC
) == 0
3062 || h
->plt
.offset
== (bfd_vma
) -1)
3065 plt_sec
= htab
->elf
.splt
;
3067 plt_sec
=htab
->elf
.iplt
;
3071 case R_SPARC_GOTDATA_OP
:
3074 case R_SPARC_GOTDATA_OP_HIX22
:
3075 case R_SPARC_GOTDATA_OP_LOX10
:
3076 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3079 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3085 if (htab
->elf
.sgot
== NULL
)
3087 off
= h
->got
.offset
;
3088 if (off
== (bfd_vma
) -1)
3090 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3093 case R_SPARC_WPLT30
:
3094 case R_SPARC_WDISP30
:
3095 relocation
= (plt_sec
->output_section
->vma
3096 + plt_sec
->output_offset
+ h
->plt
.offset
);
3101 if (bfd_link_pic (info
) && h
->non_got_ref
)
3103 Elf_Internal_Rela outrel
;
3106 offset
= _bfd_elf_section_offset (output_bfd
, info
,
3109 if (offset
== (bfd_vma
) -1
3110 || offset
== (bfd_vma
) -2)
3113 outrel
.r_offset
= (input_section
->output_section
->vma
3114 + input_section
->output_offset
3117 if (h
->dynindx
== -1
3119 || bfd_link_executable (info
))
3121 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3122 0, R_SPARC_IRELATIVE
);
3123 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3127 if (h
->dynindx
== -1)
3129 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3130 outrel
.r_addend
= rel
->r_addend
;
3133 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3137 relocation
= (plt_sec
->output_section
->vma
3138 + plt_sec
->output_offset
+ h
->plt
.offset
);
3143 /* We should only see such relocs in static links. */
3144 if (bfd_link_pic (info
))
3146 relocation
= (plt_sec
->output_section
->vma
3147 + plt_sec
->output_offset
+ h
->plt
.offset
);
3151 if (h
->root
.root
.string
)
3152 name
= h
->root
.root
.string
;
3154 name
= bfd_elf_sym_name (input_bfd
, symtab_hdr
, sym
,
3157 /* xgettext:c-format */
3158 (_("%B: relocation %s against STT_GNU_IFUNC "
3159 "symbol `%s' isn't handled by %s"), input_bfd
,
3160 _bfd_sparc_elf_howto_table
[r_type
].name
,
3161 name
, __FUNCTION__
);
3162 bfd_set_error (bfd_error_bad_value
);
3169 case R_SPARC_GOTDATA_OP_HIX22
:
3170 case R_SPARC_GOTDATA_OP_LOX10
:
3171 if (SYMBOL_REFERENCES_LOCAL (info
, h
))
3173 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3174 ? R_SPARC_GOTDATA_HIX22
3175 : R_SPARC_GOTDATA_LOX10
);
3176 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3180 case R_SPARC_GOTDATA_OP
:
3181 if (SYMBOL_REFERENCES_LOCAL (info
, h
))
3183 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3185 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3186 relocation
= 0x80000000 | (insn
& 0x3e07c01f);
3187 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3194 case R_SPARC_GOTDATA_HIX22
:
3195 case R_SPARC_GOTDATA_LOX10
:
3196 relocation
= gdopoff (info
, relocation
);
3199 case R_SPARC_GOTDATA_OP_HIX22
:
3200 case R_SPARC_GOTDATA_OP_LOX10
:
3204 /* Relocation is to the entry for this symbol in the global
3206 if (htab
->elf
.sgot
== NULL
)
3213 off
= h
->got
.offset
;
3214 BFD_ASSERT (off
!= (bfd_vma
) -1);
3215 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
3217 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
3218 bfd_link_pic (info
),
3220 || (bfd_link_pic (info
)
3221 && SYMBOL_REFERENCES_LOCAL (info
, h
)))
3223 /* This is actually a static link, or it is a
3224 -Bsymbolic link and the symbol is defined
3225 locally, or the symbol was forced to be local
3226 because of a version file. We must initialize
3227 this entry in the global offset table. Since the
3228 offset must always be a multiple of 8 for 64-bit
3229 and 4 for 32-bit, we use the least significant bit
3230 to record whether we have initialized it already.
3232 When doing a dynamic link, we create a .rela.got
3233 relocation entry to initialize the value. This
3234 is done in the finish_dynamic_symbol routine. */
3239 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3240 htab
->elf
.sgot
->contents
+ off
);
3245 unresolved_reloc
= FALSE
;
3249 BFD_ASSERT (local_got_offsets
!= NULL
3250 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
3252 off
= local_got_offsets
[r_symndx
];
3254 /* The offset must always be a multiple of 8 on 64-bit and
3255 4 on 32-bit. We use the least significant bit to record
3256 whether we have already processed this entry. */
3262 if (bfd_link_pic (info
))
3265 Elf_Internal_Rela outrel
;
3267 /* We need to generate a R_SPARC_RELATIVE reloc
3268 for the dynamic linker. */
3269 s
= htab
->elf
.srelgot
;
3270 BFD_ASSERT (s
!= NULL
);
3272 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3273 + htab
->elf
.sgot
->output_offset
3275 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3276 0, R_SPARC_RELATIVE
);
3277 outrel
.r_addend
= relocation
;
3279 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3282 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3283 htab
->elf
.sgot
->contents
+ off
);
3284 local_got_offsets
[r_symndx
] |= 1;
3287 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3292 if (h
== NULL
|| h
->plt
.offset
== (bfd_vma
) -1)
3294 r_type
= (r_type
== R_SPARC_PLT32
) ? R_SPARC_32
: R_SPARC_64
;
3299 case R_SPARC_WPLT30
:
3300 case R_SPARC_HIPLT22
:
3301 case R_SPARC_LOPLT10
:
3302 case R_SPARC_PCPLT32
:
3303 case R_SPARC_PCPLT22
:
3304 case R_SPARC_PCPLT10
:
3306 /* Relocation is to the entry for this symbol in the
3307 procedure linkage table. */
3309 if (! ABI_64_P (output_bfd
))
3311 /* The Solaris native assembler will generate a WPLT30 reloc
3312 for a local symbol if you assemble a call from one
3313 section to another when using -K pic. We treat it as
3318 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3319 else if (r_type
== R_SPARC_WPLT30
&& h
== NULL
)
3323 BFD_ASSERT (h
!= NULL
);
3326 if (h
->plt
.offset
== (bfd_vma
) -1 || htab
->elf
.splt
== NULL
)
3328 /* We didn't make a PLT entry for this symbol. This
3329 happens when statically linking PIC code, or when
3330 using -Bsymbolic. */
3334 relocation
= (htab
->elf
.splt
->output_section
->vma
3335 + htab
->elf
.splt
->output_offset
3337 unresolved_reloc
= FALSE
;
3338 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
3340 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
3348 case R_SPARC_PC_HH22
:
3349 case R_SPARC_PC_HM10
:
3350 case R_SPARC_PC_LM22
:
3352 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
3356 case R_SPARC_DISP16
:
3357 case R_SPARC_DISP32
:
3358 case R_SPARC_DISP64
:
3359 case R_SPARC_WDISP30
:
3360 case R_SPARC_WDISP22
:
3361 case R_SPARC_WDISP19
:
3362 case R_SPARC_WDISP16
:
3363 case R_SPARC_WDISP10
:
3391 if ((input_section
->flags
& SEC_ALLOC
) == 0
3395 if ((bfd_link_pic (info
)
3397 || ELF_ST_VISIBILITY (h
->other
) == STV_DEFAULT
3398 || h
->root
.type
!= bfd_link_hash_undefweak
)
3399 && (! howto
->pc_relative
3400 || !SYMBOL_CALLS_LOCAL (info
, h
)))
3401 || (!bfd_link_pic (info
)
3407 || h
->root
.type
== bfd_link_hash_undefweak
3408 || h
->root
.type
== bfd_link_hash_undefined
)))
3410 Elf_Internal_Rela outrel
;
3411 bfd_boolean skip
, relocate
= FALSE
;
3413 /* When generating a shared object, these relocations
3414 are copied into the output file to be resolved at run
3417 BFD_ASSERT (sreloc
!= NULL
);
3422 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3424 if (outrel
.r_offset
== (bfd_vma
) -1)
3426 else if (outrel
.r_offset
== (bfd_vma
) -2)
3427 skip
= TRUE
, relocate
= TRUE
;
3428 outrel
.r_offset
+= (input_section
->output_section
->vma
3429 + input_section
->output_offset
);
3431 /* Optimize unaligned reloc usage now that we know where
3432 it finally resides. */
3436 if (outrel
.r_offset
& 1)
3437 r_type
= R_SPARC_UA16
;
3440 if (!(outrel
.r_offset
& 1))
3441 r_type
= R_SPARC_16
;
3444 if (outrel
.r_offset
& 3)
3445 r_type
= R_SPARC_UA32
;
3448 if (!(outrel
.r_offset
& 3))
3449 r_type
= R_SPARC_32
;
3452 if (outrel
.r_offset
& 7)
3453 r_type
= R_SPARC_UA64
;
3456 if (!(outrel
.r_offset
& 7))
3457 r_type
= R_SPARC_64
;
3460 case R_SPARC_DISP16
:
3461 case R_SPARC_DISP32
:
3462 case R_SPARC_DISP64
:
3463 /* If the symbol is not dynamic, we should not keep
3464 a dynamic relocation. But an .rela.* slot has been
3465 allocated for it, output R_SPARC_NONE.
3466 FIXME: Add code tracking needed dynamic relocs as
3468 if (h
->dynindx
== -1)
3469 skip
= TRUE
, relocate
= TRUE
;
3474 memset (&outrel
, 0, sizeof outrel
);
3475 /* h->dynindx may be -1 if the symbol was marked to
3479 && (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
3480 || !bfd_link_pic (info
)
3481 || !SYMBOLIC_BIND (info
, h
)
3482 || !h
->def_regular
))
3484 BFD_ASSERT (h
->dynindx
!= -1);
3485 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3486 outrel
.r_addend
= rel
->r_addend
;
3490 if ( (!ABI_64_P (output_bfd
) && r_type
== R_SPARC_32
)
3491 || (ABI_64_P (output_bfd
) && r_type
== R_SPARC_64
))
3493 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3494 0, R_SPARC_RELATIVE
);
3495 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3501 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3504 sec
= htab
->elf
.splt
;
3506 if (bfd_is_abs_section (sec
))
3508 else if (sec
== NULL
|| sec
->owner
== NULL
)
3510 bfd_set_error (bfd_error_bad_value
);
3517 /* We are turning this relocation into one
3518 against a section symbol. It would be
3519 proper to subtract the symbol's value,
3520 osec->vma, from the emitted reloc addend,
3521 but ld.so expects buggy relocs. */
3522 osec
= sec
->output_section
;
3523 indx
= elf_section_data (osec
)->dynindx
;
3527 osec
= htab
->elf
.text_index_section
;
3528 indx
= elf_section_data (osec
)->dynindx
;
3531 /* FIXME: we really should be able to link non-pic
3532 shared libraries. */
3537 (_("%B: probably compiled without -fPIC?"),
3539 bfd_set_error (bfd_error_bad_value
);
3544 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, indx
,
3549 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3551 /* This reloc will be computed at runtime, so there's no
3552 need to do anything now. */
3558 case R_SPARC_TLS_GD_HI22
:
3559 if (! ABI_64_P (input_bfd
)
3560 && ! _bfd_sparc_elf_tdata (input_bfd
)->has_tlsgd
)
3562 /* R_SPARC_REV32 used the same reloc number as
3563 R_SPARC_TLS_GD_HI22. */
3564 r_type
= R_SPARC_REV32
;
3569 case R_SPARC_TLS_GD_LO10
:
3570 case R_SPARC_TLS_IE_HI22
:
3571 case R_SPARC_TLS_IE_LO10
:
3572 r_type
= sparc_elf_tls_transition (info
, input_bfd
, r_type
, h
== NULL
);
3573 tls_type
= GOT_UNKNOWN
;
3574 if (h
== NULL
&& local_got_offsets
)
3575 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3578 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
3579 if (!bfd_link_pic (info
)
3581 && tls_type
== GOT_TLS_IE
)
3582 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
3584 case R_SPARC_TLS_GD_HI22
:
3585 case R_SPARC_TLS_IE_HI22
:
3586 r_type
= R_SPARC_TLS_LE_HIX22
;
3589 r_type
= R_SPARC_TLS_LE_LOX10
;
3593 if (tls_type
== GOT_TLS_IE
)
3596 case R_SPARC_TLS_GD_HI22
:
3597 r_type
= R_SPARC_TLS_IE_HI22
;
3599 case R_SPARC_TLS_GD_LO10
:
3600 r_type
= R_SPARC_TLS_IE_LO10
;
3604 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3606 relocation
= tpoff (info
, relocation
);
3609 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3611 /* Change add into xor. */
3612 relocation
= tpoff (info
, relocation
);
3613 bfd_put_32 (output_bfd
, (bfd_get_32 (input_bfd
,
3614 contents
+ rel
->r_offset
)
3615 | 0x80182000), contents
+ rel
->r_offset
);
3621 off
= h
->got
.offset
;
3626 BFD_ASSERT (local_got_offsets
!= NULL
);
3627 off
= local_got_offsets
[r_symndx
];
3628 local_got_offsets
[r_symndx
] |= 1;
3632 if (htab
->elf
.sgot
== NULL
)
3639 Elf_Internal_Rela outrel
;
3642 if (htab
->elf
.srelgot
== NULL
)
3645 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3646 htab
->elf
.sgot
->contents
+ off
);
3647 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3648 + htab
->elf
.sgot
->output_offset
+ off
);
3649 indx
= h
&& h
->dynindx
!= -1 ? h
->dynindx
: 0;
3650 if (r_type
== R_SPARC_TLS_IE_HI22
3651 || r_type
== R_SPARC_TLS_IE_LO10
)
3652 dr_type
= SPARC_ELF_TPOFF_RELOC (htab
);
3654 dr_type
= SPARC_ELF_DTPMOD_RELOC (htab
);
3655 if (dr_type
== SPARC_ELF_TPOFF_RELOC (htab
) && indx
== 0)
3656 outrel
.r_addend
= relocation
- dtpoff_base (info
);
3658 outrel
.r_addend
= 0;
3659 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
, dr_type
);
3660 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
, &outrel
);
3662 if (r_type
== R_SPARC_TLS_GD_HI22
3663 || r_type
== R_SPARC_TLS_GD_LO10
)
3667 BFD_ASSERT (! unresolved_reloc
);
3668 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
3669 relocation
- dtpoff_base (info
),
3670 (htab
->elf
.sgot
->contents
+ off
3671 + SPARC_ELF_WORD_BYTES (htab
)));
3675 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3676 (htab
->elf
.sgot
->contents
+ off
3677 + SPARC_ELF_WORD_BYTES (htab
)));
3678 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
,
3679 SPARC_ELF_DTPOFF_RELOC (htab
));
3680 outrel
.r_offset
+= SPARC_ELF_WORD_BYTES (htab
);
3681 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
,
3685 else if (dr_type
== SPARC_ELF_DTPMOD_RELOC (htab
))
3687 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3688 (htab
->elf
.sgot
->contents
+ off
3689 + SPARC_ELF_WORD_BYTES (htab
)));
3693 if (off
>= (bfd_vma
) -2)
3696 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3697 unresolved_reloc
= FALSE
;
3698 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3701 case R_SPARC_TLS_LDM_HI22
:
3702 case R_SPARC_TLS_LDM_LO10
:
3703 if (! bfd_link_pic (info
))
3705 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3708 off
= htab
->tls_ldm_got
.offset
;
3709 htab
->tls_ldm_got
.offset
|= 1;
3710 goto r_sparc_tlsldm
;
3712 case R_SPARC_TLS_LDO_HIX22
:
3713 case R_SPARC_TLS_LDO_LOX10
:
3714 if (bfd_link_pic (info
))
3716 relocation
-= dtpoff_base (info
);
3720 r_type
= (r_type
== R_SPARC_TLS_LDO_HIX22
3721 ? R_SPARC_TLS_LE_HIX22
: R_SPARC_TLS_LE_LOX10
);
3724 case R_SPARC_TLS_LE_HIX22
:
3725 case R_SPARC_TLS_LE_LOX10
:
3726 if (bfd_link_pic (info
))
3728 Elf_Internal_Rela outrel
;
3731 BFD_ASSERT (sreloc
!= NULL
);
3734 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3736 if (outrel
.r_offset
== (bfd_vma
) -1)
3738 else if (outrel
.r_offset
== (bfd_vma
) -2)
3740 outrel
.r_offset
+= (input_section
->output_section
->vma
3741 + input_section
->output_offset
);
3743 memset (&outrel
, 0, sizeof outrel
);
3746 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, r_type
);
3747 outrel
.r_addend
= relocation
- dtpoff_base (info
)
3751 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3754 relocation
= tpoff (info
, relocation
);
3757 case R_SPARC_TLS_LDM_CALL
:
3758 if (! bfd_link_pic (info
))
3761 bfd_put_32 (output_bfd
, 0x90100000, contents
+ rel
->r_offset
);
3766 case R_SPARC_TLS_GD_CALL
:
3767 tls_type
= GOT_UNKNOWN
;
3768 if (h
== NULL
&& local_got_offsets
)
3769 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3771 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
3772 if (! bfd_link_pic (info
)
3773 || (r_type
== R_SPARC_TLS_GD_CALL
&& tls_type
== GOT_TLS_IE
))
3775 Elf_Internal_Rela
*rel2
;
3778 if (!bfd_link_pic (info
) && (h
== NULL
|| h
->dynindx
== -1))
3781 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3786 if (rel
+ 1 < relend
3787 && SPARC_ELF_R_TYPE (rel
[1].r_info
) == R_SPARC_TLS_GD_ADD
3788 && rel
[1].r_offset
== rel
->r_offset
+ 4
3789 && SPARC_ELF_R_SYMNDX (htab
, rel
[1].r_info
) == r_symndx
3790 && (((insn
= bfd_get_32 (input_bfd
,
3791 contents
+ rel
[1].r_offset
))
3792 >> 25) & 0x1f) == 8)
3795 call __tls_get_addr, %tgd_call(foo)
3796 add %reg1, %reg2, %o0, %tgd_add(foo)
3797 and change it into IE:
3798 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3799 add %g7, %o0, %o0, %tie_add(foo).
3800 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3801 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3802 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3803 bfd_put_32 (output_bfd
, insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000),
3804 contents
+ rel
->r_offset
);
3805 bfd_put_32 (output_bfd
, 0x9001c008,
3806 contents
+ rel
->r_offset
+ 4);
3811 /* We cannot just overwrite the delay slot instruction,
3812 as it might be what puts the %o0 argument to
3813 __tls_get_addr into place. So we have to transpose
3814 the delay slot with the add we patch in. */
3815 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3816 bfd_put_32 (output_bfd
, insn
,
3817 contents
+ rel
->r_offset
);
3818 bfd_put_32 (output_bfd
, 0x9001c008,
3819 contents
+ rel
->r_offset
+ 4);
3822 while ((rel2
= sparc_elf_find_reloc_at_ofs (rel2
+ 1, relend
,
3826 /* If the instruction we moved has a relocation attached to
3827 it, adjust the offset so that it will apply to the correct
3829 rel2
->r_offset
-= 4;
3834 h
= (struct elf_link_hash_entry
*)
3835 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
3837 BFD_ASSERT (h
!= NULL
);
3838 r_type
= R_SPARC_WPLT30
;
3839 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3840 goto r_sparc_wplt30
;
3842 case R_SPARC_TLS_GD_ADD
:
3843 tls_type
= GOT_UNKNOWN
;
3844 if (h
== NULL
&& local_got_offsets
)
3845 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3847 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
3848 if (! bfd_link_pic (info
) || tls_type
== GOT_TLS_IE
)
3850 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3852 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3854 add %g7, %reg2, %reg3. */
3855 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3856 if ((h
!= NULL
&& h
->dynindx
!= -1) || bfd_link_pic (info
))
3857 relocation
= insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000);
3859 relocation
= (insn
& ~0x7c000) | 0x1c000;
3860 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3864 case R_SPARC_TLS_LDM_ADD
:
3865 if (! bfd_link_pic (info
))
3866 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3869 case R_SPARC_TLS_LDO_ADD
:
3870 if (! bfd_link_pic (info
))
3872 /* Change rs1 into %g7. */
3873 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3874 insn
= (insn
& ~0x7c000) | 0x1c000;
3875 bfd_put_32 (output_bfd
, insn
, contents
+ rel
->r_offset
);
3879 case R_SPARC_TLS_IE_LD
:
3880 case R_SPARC_TLS_IE_LDX
:
3881 if (! bfd_link_pic (info
) && (h
== NULL
|| h
->dynindx
== -1))
3883 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3884 int rs2
= insn
& 0x1f;
3885 int rd
= (insn
>> 25) & 0x1f;
3888 relocation
= SPARC_NOP
;
3890 relocation
= 0x80100000 | (insn
& 0x3e00001f);
3891 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3895 case R_SPARC_TLS_IE_ADD
:
3896 /* Totally useless relocation. */
3899 case R_SPARC_TLS_DTPOFF32
:
3900 case R_SPARC_TLS_DTPOFF64
:
3901 relocation
-= dtpoff_base (info
);
3908 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3909 because such sections are not SEC_ALLOC and thus ld.so will
3910 not process them. */
3911 if (unresolved_reloc
3912 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
3914 && _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3915 rel
->r_offset
) != (bfd_vma
) -1)
3917 /* xgettext:c-format */
3918 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3921 (long) rel
->r_offset
,
3923 h
->root
.root
.string
);
3925 r
= bfd_reloc_continue
;
3926 if (r_type
== R_SPARC_OLO10
)
3930 if (! ABI_64_P (output_bfd
))
3933 relocation
+= rel
->r_addend
;
3934 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
3936 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3937 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
3938 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3940 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3941 howto
->bitsize
, howto
->rightshift
,
3942 bfd_arch_bits_per_address (input_bfd
),
3945 else if (r_type
== R_SPARC_WDISP16
)
3949 relocation
+= rel
->r_addend
;
3950 relocation
-= (input_section
->output_section
->vma
3951 + input_section
->output_offset
);
3952 relocation
-= rel
->r_offset
;
3954 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3955 x
|= ((((relocation
>> 2) & 0xc000) << 6)
3956 | ((relocation
>> 2) & 0x3fff));
3957 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3959 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3960 howto
->bitsize
, howto
->rightshift
,
3961 bfd_arch_bits_per_address (input_bfd
),
3964 else if (r_type
== R_SPARC_WDISP10
)
3968 relocation
+= rel
->r_addend
;
3969 relocation
-= (input_section
->output_section
->vma
3970 + input_section
->output_offset
);
3971 relocation
-= rel
->r_offset
;
3973 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3974 x
|= ((((relocation
>> 2) & 0x300) << 11)
3975 | (((relocation
>> 2) & 0xff) << 5));
3976 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3978 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3979 howto
->bitsize
, howto
->rightshift
,
3980 bfd_arch_bits_per_address (input_bfd
),
3983 else if (r_type
== R_SPARC_REV32
)
3987 relocation
= relocation
+ rel
->r_addend
;
3989 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3991 bfd_putl32 (/*input_bfd,*/ x
, contents
+ rel
->r_offset
);
3994 else if (r_type
== R_SPARC_TLS_LDO_HIX22
3995 || r_type
== R_SPARC_TLS_LE_HIX22
)
3999 relocation
+= rel
->r_addend
;
4000 if (r_type
== R_SPARC_TLS_LE_HIX22
)
4001 relocation
^= MINUS_ONE
;
4003 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4004 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
4005 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4008 else if (r_type
== R_SPARC_TLS_LDO_LOX10
4009 || r_type
== R_SPARC_TLS_LE_LOX10
)
4013 relocation
+= rel
->r_addend
;
4014 relocation
&= 0x3ff;
4015 if (r_type
== R_SPARC_TLS_LE_LOX10
)
4016 relocation
|= 0x1c00;
4018 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4019 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4020 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4024 else if (r_type
== R_SPARC_HIX22
4025 || r_type
== R_SPARC_GOTDATA_HIX22
4026 || r_type
== R_SPARC_GOTDATA_OP_HIX22
)
4030 relocation
+= rel
->r_addend
;
4031 if (r_type
== R_SPARC_HIX22
4032 || (bfd_signed_vma
) relocation
< 0)
4033 relocation
= relocation
^ MINUS_ONE
;
4035 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4036 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
4037 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4039 r
= bfd_check_overflow (howto
->complain_on_overflow
,
4040 howto
->bitsize
, howto
->rightshift
,
4041 bfd_arch_bits_per_address (input_bfd
),
4044 else if (r_type
== R_SPARC_LOX10
4045 || r_type
== R_SPARC_GOTDATA_LOX10
4046 || r_type
== R_SPARC_GOTDATA_OP_LOX10
)
4050 relocation
+= rel
->r_addend
;
4051 if (r_type
== R_SPARC_LOX10
4052 || (bfd_signed_vma
) relocation
< 0)
4053 relocation
= (relocation
& 0x3ff) | 0x1c00;
4055 relocation
= (relocation
& 0x3ff);
4057 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4058 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4059 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4063 else if ((r_type
== R_SPARC_WDISP30
|| r_type
== R_SPARC_WPLT30
)
4064 && sec_do_relax (input_section
)
4065 && rel
->r_offset
+ 4 < input_section
->size
)
4069 #define XCC (2 << 20)
4070 #define COND(x) (((x)&0xf)<<25)
4071 #define CONDA COND(0x8)
4072 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4073 #define INSN_BA (F2(0,2) | CONDA)
4074 #define INSN_OR F3(2, 0x2, 0)
4075 #define INSN_NOP F2(0,4)
4079 /* If the instruction is a call with either:
4081 arithmetic instruction with rd == %o7
4082 where rs1 != %o7 and rs2 if it is register != %o7
4083 then we can optimize if the call destination is near
4084 by changing the call into a branch always. */
4085 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4086 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
4087 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
4089 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
4090 || ((y
& OP3(0x28)) == 0 /* arithmetic */
4091 && (y
& RD(~0)) == RD(O7
)))
4092 && (y
& RS1(~0)) != RS1(O7
)
4094 || (y
& RS2(~0)) != RS2(O7
)))
4098 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
4099 reloc
-= (input_section
->output_section
->vma
4100 + input_section
->output_offset
);
4102 /* Ensure the branch fits into simm22. */
4103 if ((reloc
& 3) == 0
4104 && ((reloc
& ~(bfd_vma
)0x7fffff) == 0
4105 || ((reloc
| 0x7fffff) == ~(bfd_vma
)0)))
4109 /* Check whether it fits into simm19. */
4110 if (((reloc
& 0x3c0000) == 0
4111 || (reloc
& 0x3c0000) == 0x3c0000)
4112 && (ABI_64_P (output_bfd
)
4113 || elf_elfheader (output_bfd
)->e_flags
& EF_SPARC_32PLUS
))
4114 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
4116 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
4117 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4119 if (rel
->r_offset
>= 4
4120 && (y
& (0xffffffff ^ RS1(~0)))
4121 == (INSN_OR
| RD(O7
) | RS2(G0
)))
4126 z
= bfd_get_32 (input_bfd
,
4127 contents
+ rel
->r_offset
- 4);
4128 if ((z
& (0xffffffff ^ RD(~0)))
4129 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
4137 If call foo was replaced with ba, replace
4138 or %rN, %g0, %o7 with nop. */
4140 reg
= (y
& RS1(~0)) >> 14;
4141 if (reg
!= ((z
& RD(~0)) >> 25)
4142 || reg
== G0
|| reg
== O7
)
4145 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
4146 contents
+ rel
->r_offset
+ 4);
4154 if (r
== bfd_reloc_continue
)
4157 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
4158 contents
, rel
->r_offset
,
4159 relocation
, rel
->r_addend
);
4161 if (r
!= bfd_reloc_ok
)
4166 case bfd_reloc_outofrange
:
4168 case bfd_reloc_overflow
:
4172 /* The Solaris native linker silently disregards overflows.
4173 We don't, but this breaks stabs debugging info, whose
4174 relocations are only 32-bits wide. Ignore overflows in
4175 this case and also for discarded entries. */
4176 if ((r_type
== R_SPARC_32
4177 || r_type
== R_SPARC_UA32
4178 || r_type
== R_SPARC_DISP32
)
4179 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
4180 && strcmp (bfd_section_name (input_bfd
,
4183 || _bfd_elf_section_offset (output_bfd
, info
,
4191 /* Assume this is a call protected by other code that
4192 detect the symbol is undefined. If this is the case,
4193 we can safely ignore the overflow. If not, the
4194 program is hosed anyway, and a little warning isn't
4196 if (h
->root
.type
== bfd_link_hash_undefweak
4197 && howto
->pc_relative
)
4204 name
= bfd_elf_string_from_elf_section (input_bfd
,
4205 symtab_hdr
->sh_link
,
4210 name
= bfd_section_name (input_bfd
, sec
);
4212 (*info
->callbacks
->reloc_overflow
)
4213 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
4214 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
4224 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4225 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4226 is the offset of the associated .got.plt entry from
4227 _GLOBAL_OFFSET_TABLE_. */
4230 sparc_vxworks_build_plt_entry (bfd
*output_bfd
, struct bfd_link_info
*info
,
4231 bfd_vma plt_offset
, bfd_vma plt_index
,
4235 const bfd_vma
*plt_entry
;
4236 struct _bfd_sparc_elf_link_hash_table
*htab
;
4238 Elf_Internal_Rela rela
;
4240 htab
= _bfd_sparc_elf_hash_table (info
);
4241 BFD_ASSERT (htab
!= NULL
);
4243 if (bfd_link_pic (info
))
4245 plt_entry
= sparc_vxworks_shared_plt_entry
;
4250 plt_entry
= sparc_vxworks_exec_plt_entry
;
4251 got_base
= (htab
->elf
.hgot
->root
.u
.def
.value
4252 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4253 + htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
);
4256 /* Fill in the entry in the procedure linkage table. */
4257 bfd_put_32 (output_bfd
, plt_entry
[0] + ((got_base
+ got_offset
) >> 10),
4258 htab
->elf
.splt
->contents
+ plt_offset
);
4259 bfd_put_32 (output_bfd
, plt_entry
[1] + ((got_base
+ got_offset
) & 0x3ff),
4260 htab
->elf
.splt
->contents
+ plt_offset
+ 4);
4261 bfd_put_32 (output_bfd
, plt_entry
[2],
4262 htab
->elf
.splt
->contents
+ plt_offset
+ 8);
4263 bfd_put_32 (output_bfd
, plt_entry
[3],
4264 htab
->elf
.splt
->contents
+ plt_offset
+ 12);
4265 bfd_put_32 (output_bfd
, plt_entry
[4],
4266 htab
->elf
.splt
->contents
+ plt_offset
+ 16);
4267 bfd_put_32 (output_bfd
, plt_entry
[5] + (plt_index
>> 10),
4268 htab
->elf
.splt
->contents
+ plt_offset
+ 20);
4269 /* PC-relative displacement for a branch to the start of
4271 bfd_put_32 (output_bfd
, plt_entry
[6] + (((-plt_offset
- 24) >> 2)
4273 htab
->elf
.splt
->contents
+ plt_offset
+ 24);
4274 bfd_put_32 (output_bfd
, plt_entry
[7] + (plt_index
& 0x3ff),
4275 htab
->elf
.splt
->contents
+ plt_offset
+ 28);
4277 /* Fill in the .got.plt entry, pointing initially at the
4278 second half of the PLT entry. */
4279 BFD_ASSERT (htab
->elf
.sgotplt
!= NULL
);
4280 bfd_put_32 (output_bfd
,
4281 htab
->elf
.splt
->output_section
->vma
4282 + htab
->elf
.splt
->output_offset
4284 htab
->elf
.sgotplt
->contents
+ got_offset
);
4286 /* Add relocations to .rela.plt.unloaded. */
4287 if (!bfd_link_pic (info
))
4289 loc
= (htab
->srelplt2
->contents
4290 + (2 + 3 * plt_index
) * sizeof (Elf32_External_Rela
));
4292 /* Relocate the initial sethi. */
4293 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4294 + htab
->elf
.splt
->output_offset
4296 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4297 rela
.r_addend
= got_offset
;
4298 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4299 loc
+= sizeof (Elf32_External_Rela
);
4301 /* Likewise the following or. */
4303 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4304 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4305 loc
+= sizeof (Elf32_External_Rela
);
4307 /* Relocate the .got.plt entry. */
4308 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4309 + htab
->elf
.sgotplt
->output_offset
4311 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4312 rela
.r_addend
= plt_offset
+ 20;
4313 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4317 /* Finish up dynamic symbol handling. We set the contents of various
4318 dynamic sections here. */
4321 _bfd_sparc_elf_finish_dynamic_symbol (bfd
*output_bfd
,
4322 struct bfd_link_info
*info
,
4323 struct elf_link_hash_entry
*h
,
4324 Elf_Internal_Sym
*sym
)
4326 struct _bfd_sparc_elf_link_hash_table
*htab
;
4327 const struct elf_backend_data
*bed
;
4329 htab
= _bfd_sparc_elf_hash_table (info
);
4330 BFD_ASSERT (htab
!= NULL
);
4331 bed
= get_elf_backend_data (output_bfd
);
4333 if (h
->plt
.offset
!= (bfd_vma
) -1)
4337 Elf_Internal_Rela rela
;
4339 bfd_vma r_offset
, got_offset
;
4342 /* When building a static executable, use .iplt and
4343 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4344 if (htab
->elf
.splt
!= NULL
)
4346 splt
= htab
->elf
.splt
;
4347 srela
= htab
->elf
.srelplt
;
4351 splt
= htab
->elf
.iplt
;
4352 srela
= htab
->elf
.irelplt
;
4355 if (splt
== NULL
|| srela
== NULL
)
4358 /* Fill in the entry in the .rela.plt section. */
4359 if (htab
->is_vxworks
)
4361 /* Work out the index of this PLT entry. */
4362 rela_index
= ((h
->plt
.offset
- htab
->plt_header_size
)
4363 / htab
->plt_entry_size
);
4365 /* Calculate the offset of the associated .got.plt entry.
4366 The first three entries are reserved. */
4367 got_offset
= (rela_index
+ 3) * 4;
4369 sparc_vxworks_build_plt_entry (output_bfd
, info
, h
->plt
.offset
,
4370 rela_index
, got_offset
);
4373 /* On VxWorks, the relocation points to the .got.plt entry,
4374 not the .plt entry. */
4375 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4376 + htab
->elf
.sgotplt
->output_offset
4379 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4384 bfd_boolean ifunc
= FALSE
;
4386 /* Fill in the entry in the procedure linkage table. */
4387 rela_index
= SPARC_ELF_BUILD_PLT_ENTRY (htab
, output_bfd
, splt
,
4388 h
->plt
.offset
, splt
->size
,
4393 || ((bfd_link_executable (info
)
4394 || ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
4396 && h
->type
== STT_GNU_IFUNC
))
4399 BFD_ASSERT (h
== NULL
4400 || (h
->type
== STT_GNU_IFUNC
4402 && (h
->root
.type
== bfd_link_hash_defined
4403 || h
->root
.type
== bfd_link_hash_defweak
)));
4406 rela
.r_offset
= r_offset
4407 + (splt
->output_section
->vma
+ splt
->output_offset
);
4408 if (ABI_64_P (output_bfd
)
4409 && h
->plt
.offset
>= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
4413 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4414 + h
->root
.u
.def
.section
->output_offset
4415 + h
->root
.u
.def
.value
);
4416 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4421 rela
.r_addend
= (-(h
->plt
.offset
+ 4)
4422 - splt
->output_section
->vma
4423 - splt
->output_offset
);
4424 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4432 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4433 + h
->root
.u
.def
.section
->output_offset
4434 + h
->root
.u
.def
.value
);
4435 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4441 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4447 /* Adjust for the first 4 reserved elements in the .plt section
4448 when setting the offset in the .rela.plt section.
4449 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4450 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4452 loc
= srela
->contents
;
4453 loc
+= rela_index
* bed
->s
->sizeof_rela
;
4454 bed
->s
->swap_reloca_out (output_bfd
, &rela
, loc
);
4456 if (!h
->def_regular
)
4458 /* Mark the symbol as undefined, rather than as defined in
4459 the .plt section. Leave the value alone. */
4460 sym
->st_shndx
= SHN_UNDEF
;
4461 /* If the symbol is weak, we do need to clear the value.
4462 Otherwise, the PLT entry would provide a definition for
4463 the symbol even if the symbol wasn't defined anywhere,
4464 and so the symbol would never be NULL. */
4465 if (!h
->ref_regular_nonweak
)
4470 if (h
->got
.offset
!= (bfd_vma
) -1
4471 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_GD
4472 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_IE
)
4476 Elf_Internal_Rela rela
;
4478 /* This symbol has an entry in the GOT. Set it up. */
4480 sgot
= htab
->elf
.sgot
;
4481 srela
= htab
->elf
.srelgot
;
4482 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
4484 rela
.r_offset
= (sgot
->output_section
->vma
4485 + sgot
->output_offset
4486 + (h
->got
.offset
&~ (bfd_vma
) 1));
4488 /* If this is a -Bsymbolic link, and the symbol is defined
4489 locally, we just want to emit a RELATIVE reloc. Likewise if
4490 the symbol was forced to be local because of a version file.
4491 The entry in the global offset table will already have been
4492 initialized in the relocate_section function. */
4493 if (! bfd_link_pic (info
)
4494 && h
->type
== STT_GNU_IFUNC
4499 /* We load the GOT entry with the PLT entry. */
4500 plt
= htab
->elf
.splt
? htab
->elf
.splt
: htab
->elf
.iplt
;
4501 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
4502 (plt
->output_section
->vma
4503 + plt
->output_offset
+ h
->plt
.offset
),
4504 htab
->elf
.sgot
->contents
4505 + (h
->got
.offset
& ~(bfd_vma
) 1));
4508 else if (bfd_link_pic (info
)
4509 && SYMBOL_REFERENCES_LOCAL (info
, h
))
4511 asection
*sec
= h
->root
.u
.def
.section
;
4512 if (h
->type
== STT_GNU_IFUNC
)
4513 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_IRELATIVE
);
4515 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_RELATIVE
);
4516 rela
.r_addend
= (h
->root
.u
.def
.value
4517 + sec
->output_section
->vma
4518 + sec
->output_offset
);
4522 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_GLOB_DAT
);
4526 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
4527 sgot
->contents
+ (h
->got
.offset
& ~(bfd_vma
) 1));
4528 sparc_elf_append_rela (output_bfd
, srela
, &rela
);
4534 Elf_Internal_Rela rela
;
4536 /* This symbols needs a copy reloc. Set it up. */
4537 BFD_ASSERT (h
->dynindx
!= -1);
4539 rela
.r_offset
= (h
->root
.u
.def
.value
4540 + h
->root
.u
.def
.section
->output_section
->vma
4541 + h
->root
.u
.def
.section
->output_offset
);
4542 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_COPY
);
4544 if ((h
->root
.u
.def
.section
->flags
& SEC_READONLY
) != 0)
4545 s
= htab
->elf
.sreldynrelro
;
4547 s
= htab
->elf
.srelbss
;
4548 sparc_elf_append_rela (output_bfd
, s
, &rela
);
4551 /* Mark some specially defined symbols as absolute. On VxWorks,
4552 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4553 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4555 && (h
== htab
->elf
.hdynamic
4556 || (!htab
->is_vxworks
4557 && (h
== htab
->elf
.hgot
|| h
== htab
->elf
.hplt
))))
4558 sym
->st_shndx
= SHN_ABS
;
4563 /* Finish up the dynamic sections. */
4566 sparc_finish_dyn (bfd
*output_bfd
, struct bfd_link_info
*info
,
4567 bfd
*dynobj
, asection
*sdyn
,
4568 asection
*splt ATTRIBUTE_UNUSED
)
4570 struct _bfd_sparc_elf_link_hash_table
*htab
;
4571 const struct elf_backend_data
*bed
;
4572 bfd_byte
*dyncon
, *dynconend
;
4574 int stt_regidx
= -1;
4575 bfd_boolean abi_64_p
;
4577 htab
= _bfd_sparc_elf_hash_table (info
);
4578 BFD_ASSERT (htab
!= NULL
);
4579 bed
= get_elf_backend_data (output_bfd
);
4580 dynsize
= bed
->s
->sizeof_dyn
;
4581 dynconend
= sdyn
->contents
+ sdyn
->size
;
4582 abi_64_p
= ABI_64_P (output_bfd
);
4583 for (dyncon
= sdyn
->contents
; dyncon
< dynconend
; dyncon
+= dynsize
)
4585 Elf_Internal_Dyn dyn
;
4588 bed
->s
->swap_dyn_in (dynobj
, dyncon
, &dyn
);
4590 if (htab
->is_vxworks
&& dyn
.d_tag
== DT_PLTGOT
)
4592 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4593 not to the start of the PLT. */
4594 if (htab
->elf
.sgotplt
)
4596 dyn
.d_un
.d_val
= (htab
->elf
.sgotplt
->output_section
->vma
4597 + htab
->elf
.sgotplt
->output_offset
);
4598 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4601 else if (htab
->is_vxworks
4602 && elf_vxworks_finish_dynamic_entry (output_bfd
, &dyn
))
4603 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4604 else if (abi_64_p
&& dyn
.d_tag
== DT_SPARC_REGISTER
)
4606 if (stt_regidx
== -1)
4609 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
4610 if (stt_regidx
== -1)
4613 dyn
.d_un
.d_val
= stt_regidx
++;
4614 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4627 s
= htab
->elf
.srelplt
;
4631 s
= htab
->elf
.srelplt
;
4643 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4645 dyn
.d_un
.d_val
= s
->size
;
4647 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4653 /* Install the first PLT entry in a VxWorks executable and make sure that
4654 .rela.plt.unloaded relocations have the correct symbol indexes. */
4657 sparc_vxworks_finish_exec_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4659 struct _bfd_sparc_elf_link_hash_table
*htab
;
4660 Elf_Internal_Rela rela
;
4664 htab
= _bfd_sparc_elf_hash_table (info
);
4665 BFD_ASSERT (htab
!= NULL
);
4667 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4668 got_base
= (htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
4669 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4670 + htab
->elf
.hgot
->root
.u
.def
.value
);
4672 /* Install the initial PLT entry. */
4673 bfd_put_32 (output_bfd
,
4674 sparc_vxworks_exec_plt0_entry
[0] + ((got_base
+ 8) >> 10),
4675 htab
->elf
.splt
->contents
);
4676 bfd_put_32 (output_bfd
,
4677 sparc_vxworks_exec_plt0_entry
[1] + ((got_base
+ 8) & 0x3ff),
4678 htab
->elf
.splt
->contents
+ 4);
4679 bfd_put_32 (output_bfd
,
4680 sparc_vxworks_exec_plt0_entry
[2],
4681 htab
->elf
.splt
->contents
+ 8);
4682 bfd_put_32 (output_bfd
,
4683 sparc_vxworks_exec_plt0_entry
[3],
4684 htab
->elf
.splt
->contents
+ 12);
4685 bfd_put_32 (output_bfd
,
4686 sparc_vxworks_exec_plt0_entry
[4],
4687 htab
->elf
.splt
->contents
+ 16);
4689 loc
= htab
->srelplt2
->contents
;
4691 /* Add an unloaded relocation for the initial entry's "sethi". */
4692 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4693 + htab
->elf
.splt
->output_offset
);
4694 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4696 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4697 loc
+= sizeof (Elf32_External_Rela
);
4699 /* Likewise the following "or". */
4701 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4702 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4703 loc
+= sizeof (Elf32_External_Rela
);
4705 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4706 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4707 in which symbols were output. */
4708 while (loc
< htab
->srelplt2
->contents
+ htab
->srelplt2
->size
)
4710 Elf_Internal_Rela rel
;
4712 /* The entry's initial "sethi" (against _G_O_T_). */
4713 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4714 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4715 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4716 loc
+= sizeof (Elf32_External_Rela
);
4718 /* The following "or" (also against _G_O_T_). */
4719 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4720 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4721 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4722 loc
+= sizeof (Elf32_External_Rela
);
4724 /* The .got.plt entry (against _P_L_T_). */
4725 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4726 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4727 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4728 loc
+= sizeof (Elf32_External_Rela
);
4732 /* Install the first PLT entry in a VxWorks shared object. */
4735 sparc_vxworks_finish_shared_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4737 struct _bfd_sparc_elf_link_hash_table
*htab
;
4740 htab
= _bfd_sparc_elf_hash_table (info
);
4741 BFD_ASSERT (htab
!= NULL
);
4743 for (i
= 0; i
< ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
); i
++)
4744 bfd_put_32 (output_bfd
, sparc_vxworks_shared_plt0_entry
[i
],
4745 htab
->elf
.splt
->contents
+ i
* 4);
4748 /* Finish up local dynamic symbol handling. We set the contents of
4749 various dynamic sections here. */
4752 finish_local_dynamic_symbol (void **slot
, void *inf
)
4754 struct elf_link_hash_entry
*h
4755 = (struct elf_link_hash_entry
*) *slot
;
4756 struct bfd_link_info
*info
4757 = (struct bfd_link_info
*) inf
;
4759 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4764 _bfd_sparc_elf_finish_dynamic_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
4768 struct _bfd_sparc_elf_link_hash_table
*htab
;
4770 htab
= _bfd_sparc_elf_hash_table (info
);
4771 BFD_ASSERT (htab
!= NULL
);
4772 dynobj
= htab
->elf
.dynobj
;
4774 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
4776 if (elf_hash_table (info
)->dynamic_sections_created
)
4780 splt
= htab
->elf
.splt
;
4781 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
4783 if (!sparc_finish_dyn (output_bfd
, info
, dynobj
, sdyn
, splt
))
4786 /* Initialize the contents of the .plt section. */
4789 if (htab
->is_vxworks
)
4791 if (bfd_link_pic (info
))
4792 sparc_vxworks_finish_shared_plt (output_bfd
, info
);
4794 sparc_vxworks_finish_exec_plt (output_bfd
, info
);
4798 memset (splt
->contents
, 0, htab
->plt_header_size
);
4799 if (!ABI_64_P (output_bfd
))
4800 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
,
4801 splt
->contents
+ splt
->size
- 4);
4805 if (elf_section_data (splt
->output_section
) != NULL
)
4806 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
4807 = ((htab
->is_vxworks
|| !ABI_64_P (output_bfd
))
4808 ? 0 : htab
->plt_entry_size
);
4811 /* Set the first entry in the global offset table to the address of
4812 the dynamic section. */
4813 if (htab
->elf
.sgot
&& htab
->elf
.sgot
->size
> 0)
4815 bfd_vma val
= (sdyn
?
4816 sdyn
->output_section
->vma
+ sdyn
->output_offset
:
4819 SPARC_ELF_PUT_WORD (htab
, output_bfd
, val
, htab
->elf
.sgot
->contents
);
4823 elf_section_data (htab
->elf
.sgot
->output_section
)->this_hdr
.sh_entsize
=
4824 SPARC_ELF_WORD_BYTES (htab
);
4826 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4827 htab_traverse (htab
->loc_hash_table
, finish_local_dynamic_symbol
, info
);
4833 /* Set the right machine number for a SPARC ELF file. */
4836 _bfd_sparc_elf_object_p (bfd
*abfd
)
4838 obj_attribute
*attrs
= elf_known_obj_attributes (abfd
)[OBJ_ATTR_GNU
];
4839 obj_attribute
*hwcaps
= &attrs
[Tag_GNU_Sparc_HWCAPS
];
4840 obj_attribute
*hwcaps2
= &attrs
[Tag_GNU_Sparc_HWCAPS2
];
4842 unsigned int v9c_hwcaps_mask
= ELF_SPARC_HWCAP_ASI_BLK_INIT
;
4843 unsigned int v9d_hwcaps_mask
= (ELF_SPARC_HWCAP_FMAF
4844 | ELF_SPARC_HWCAP_VIS3
4845 | ELF_SPARC_HWCAP_HPC
);
4846 unsigned int v9e_hwcaps_mask
= (ELF_SPARC_HWCAP_AES
4847 | ELF_SPARC_HWCAP_DES
4848 | ELF_SPARC_HWCAP_KASUMI
4849 | ELF_SPARC_HWCAP_CAMELLIA
4850 | ELF_SPARC_HWCAP_MD5
4851 | ELF_SPARC_HWCAP_SHA1
4852 | ELF_SPARC_HWCAP_SHA256
4853 | ELF_SPARC_HWCAP_SHA512
4854 | ELF_SPARC_HWCAP_MPMUL
4855 | ELF_SPARC_HWCAP_MONT
4856 | ELF_SPARC_HWCAP_CRC32C
4857 | ELF_SPARC_HWCAP_CBCOND
4858 | ELF_SPARC_HWCAP_PAUSE
);
4859 unsigned int v9v_hwcaps_mask
= (ELF_SPARC_HWCAP_FJFMAU
4860 | ELF_SPARC_HWCAP_IMA
);
4861 unsigned int v9m_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC5
4862 | ELF_SPARC_HWCAP2_MWAIT
4863 | ELF_SPARC_HWCAP2_XMPMUL
4864 | ELF_SPARC_HWCAP2_XMONT
);
4866 if (ABI_64_P (abfd
))
4868 unsigned long mach
= bfd_mach_sparc_v9
;
4870 if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4871 mach
= bfd_mach_sparc_v9m
;
4872 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4873 mach
= bfd_mach_sparc_v9v
;
4874 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4875 mach
= bfd_mach_sparc_v9e
;
4876 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4877 mach
= bfd_mach_sparc_v9d
;
4878 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4879 mach
= bfd_mach_sparc_v9c
;
4880 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4881 mach
= bfd_mach_sparc_v9b
;
4882 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4883 mach
= bfd_mach_sparc_v9a
;
4884 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
4888 if (elf_elfheader (abfd
)->e_machine
== EM_SPARC32PLUS
)
4890 if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4891 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4892 bfd_mach_sparc_v8plusm
);
4893 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4894 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4895 bfd_mach_sparc_v8plusv
);
4896 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4897 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4898 bfd_mach_sparc_v8pluse
);
4899 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4900 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4901 bfd_mach_sparc_v8plusd
);
4902 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4903 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4904 bfd_mach_sparc_v8plusc
);
4905 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4906 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4907 bfd_mach_sparc_v8plusb
);
4908 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4909 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4910 bfd_mach_sparc_v8plusa
);
4911 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_32PLUS
)
4912 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4913 bfd_mach_sparc_v8plus
);
4917 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_LEDATA
)
4918 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4919 bfd_mach_sparc_sparclite_le
);
4921 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
4925 /* Return address for Ith PLT stub in section PLT, for relocation REL
4926 or (bfd_vma) -1 if it should not be included. */
4929 _bfd_sparc_elf_plt_sym_val (bfd_vma i
, const asection
*plt
, const arelent
*rel
)
4931 if (ABI_64_P (plt
->owner
))
4935 i
+= PLT64_HEADER_SIZE
/ PLT64_ENTRY_SIZE
;
4936 if (i
< PLT64_LARGE_THRESHOLD
)
4937 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
;
4939 j
= (i
- PLT64_LARGE_THRESHOLD
) % 160;
4941 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
+ j
* 4 * 6;
4944 return rel
->address
;
4947 /* Merge backend specific data from an object file to the output
4948 object file when linking. */
4951 _bfd_sparc_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
4953 bfd
*obfd
= info
->output_bfd
;
4954 obj_attribute
*in_attr
, *in_attrs
;
4955 obj_attribute
*out_attr
, *out_attrs
;
4957 if (!elf_known_obj_attributes_proc (obfd
)[0].i
)
4959 /* This is the first object. Copy the attributes. */
4960 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
4962 /* Use the Tag_null value to indicate the attributes have been
4964 elf_known_obj_attributes_proc (obfd
)[0].i
= 1;
4969 in_attrs
= elf_known_obj_attributes (ibfd
)[OBJ_ATTR_GNU
];
4970 out_attrs
= elf_known_obj_attributes (obfd
)[OBJ_ATTR_GNU
];
4972 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS
];
4973 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS
];
4975 out_attr
->i
|= in_attr
->i
;
4978 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4979 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4981 out_attr
->i
|= in_attr
->i
;
4984 /* Merge Tag_compatibility attributes and any common GNU ones. */
4985 _bfd_elf_merge_object_attributes (ibfd
, info
);