1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2020 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
55 void * data
, asection
*input_section
, bfd
*output_bfd
,
56 bfd_vma
*prelocation
, bfd_vma
*pinsn
)
59 reloc_howto_type
*howto
= reloc_entry
->howto
;
61 if (output_bfd
!= (bfd
*) NULL
62 && (symbol
->flags
& BSF_SECTION_SYM
) == 0
63 && (! howto
->partial_inplace
64 || reloc_entry
->addend
== 0))
66 reloc_entry
->address
+= input_section
->output_offset
;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd
!= NULL
)
72 return bfd_reloc_continue
;
74 if (reloc_entry
->address
> bfd_get_section_limit (abfd
, input_section
))
75 return bfd_reloc_outofrange
;
77 relocation
= (symbol
->value
78 + symbol
->section
->output_section
->vma
79 + symbol
->section
->output_offset
);
80 relocation
+= reloc_entry
->addend
;
81 if (howto
->pc_relative
)
83 relocation
-= (input_section
->output_section
->vma
84 + input_section
->output_offset
);
85 relocation
-= reloc_entry
->address
;
88 *prelocation
= relocation
;
89 *pinsn
= bfd_get_32 (abfd
, (bfd_byte
*) data
+ reloc_entry
->address
);
90 return bfd_reloc_other
;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd
*abfd ATTRIBUTE_UNUSED
,
97 arelent
*reloc_entry ATTRIBUTE_UNUSED
,
98 asymbol
*symbol ATTRIBUTE_UNUSED
,
99 void * data ATTRIBUTE_UNUSED
,
100 asection
*input_section ATTRIBUTE_UNUSED
,
101 bfd
*output_bfd ATTRIBUTE_UNUSED
,
102 char **error_message ATTRIBUTE_UNUSED
)
104 return bfd_reloc_notsupported
;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
111 void * data
, asection
*input_section
, bfd
*output_bfd
,
112 char **error_message ATTRIBUTE_UNUSED
)
116 bfd_reloc_status_type status
;
118 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
119 input_section
, output_bfd
, &relocation
, &insn
);
120 if (status
!= bfd_reloc_other
)
123 insn
&= ~ (bfd_vma
) 0x303fff;
124 insn
|= (((relocation
>> 2) & 0xc000) << 6) | ((relocation
>> 2) & 0x3fff);
125 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
127 if ((bfd_signed_vma
) relocation
< - 0x40000
128 || (bfd_signed_vma
) relocation
> 0x3ffff)
129 return bfd_reloc_overflow
;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
138 void * data
, asection
*input_section
, bfd
*output_bfd
,
139 char **error_message ATTRIBUTE_UNUSED
)
143 bfd_reloc_status_type status
;
145 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
146 input_section
, output_bfd
, &relocation
, &insn
);
147 if (status
!= bfd_reloc_other
)
150 insn
&= ~ (bfd_vma
) 0x181fe0;
151 insn
|= (((relocation
>> 2) & 0x300) << 11)
152 | (((relocation
>> 2) & 0xff) << 5);
153 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
155 if ((bfd_signed_vma
) relocation
< - 0x1000
156 || (bfd_signed_vma
) relocation
> 0xfff)
157 return bfd_reloc_overflow
;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
166 void * data
, asection
*input_section
, bfd
*output_bfd
,
167 char **error_message ATTRIBUTE_UNUSED
)
171 bfd_reloc_status_type status
;
173 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
174 input_section
, output_bfd
, &relocation
, &insn
);
175 if (status
!= bfd_reloc_other
)
178 relocation
^= MINUS_ONE
;
179 insn
= (insn
&~ (bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
180 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
182 if ((relocation
& ~ (bfd_vma
) 0xffffffff) != 0)
183 return bfd_reloc_overflow
;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
192 void * data
, asection
*input_section
, bfd
*output_bfd
,
193 char **error_message ATTRIBUTE_UNUSED
)
197 bfd_reloc_status_type status
;
199 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
200 input_section
, output_bfd
, &relocation
, &insn
);
201 if (status
!= bfd_reloc_other
)
204 insn
= (insn
&~ (bfd_vma
) 0x1fff) | 0x1c00 | (relocation
& 0x3ff);
205 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
210 static reloc_howto_type _bfd_sparc_elf_howto_table
[] =
212 HOWTO(R_SPARC_NONE
, 0,3, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_NONE", FALSE
,0,0x00000000,TRUE
),
213 HOWTO(R_SPARC_8
, 0,0, 8,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_8", FALSE
,0,0x000000ff,TRUE
),
214 HOWTO(R_SPARC_16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_16", FALSE
,0,0x0000ffff,TRUE
),
215 HOWTO(R_SPARC_32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_32", FALSE
,0,0xffffffff,TRUE
),
216 HOWTO(R_SPARC_DISP8
, 0,0, 8,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP8", FALSE
,0,0x000000ff,TRUE
),
217 HOWTO(R_SPARC_DISP16
, 0,1,16,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP16", FALSE
,0,0x0000ffff,TRUE
),
218 HOWTO(R_SPARC_DISP32
, 0,2,32,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP32", FALSE
,0,0xffffffff,TRUE
),
219 HOWTO(R_SPARC_WDISP30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP30", FALSE
,0,0x3fffffff,TRUE
),
220 HOWTO(R_SPARC_WDISP22
, 2,2,22,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP22", FALSE
,0,0x003fffff,TRUE
),
221 HOWTO(R_SPARC_HI22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HI22", FALSE
,0,0x003fffff,TRUE
),
222 HOWTO(R_SPARC_22
, 0,2,22,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_22", FALSE
,0,0x003fffff,TRUE
),
223 HOWTO(R_SPARC_13
, 0,2,13,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_13", FALSE
,0,0x00001fff,TRUE
),
224 HOWTO(R_SPARC_LO10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LO10", FALSE
,0,0x000003ff,TRUE
),
225 HOWTO(R_SPARC_GOT10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT10", FALSE
,0,0x000003ff,TRUE
),
226 HOWTO(R_SPARC_GOT13
, 0,2,13,FALSE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_GOT13", FALSE
,0,0x00001fff,TRUE
),
227 HOWTO(R_SPARC_GOT22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT22", FALSE
,0,0x003fffff,TRUE
),
228 HOWTO(R_SPARC_PC10
, 0,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC10", FALSE
,0,0x000003ff,TRUE
),
229 HOWTO(R_SPARC_PC22
, 10,2,22,TRUE
, 0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PC22", FALSE
,0,0x003fffff,TRUE
),
230 HOWTO(R_SPARC_WPLT30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WPLT30", FALSE
,0,0x3fffffff,TRUE
),
231 HOWTO(R_SPARC_COPY
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_COPY", FALSE
,0,0x00000000,TRUE
),
232 HOWTO(R_SPARC_GLOB_DAT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GLOB_DAT",FALSE
,0,0x00000000,TRUE
),
233 HOWTO(R_SPARC_JMP_SLOT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_JMP_SLOT",FALSE
,0,0x00000000,TRUE
),
234 HOWTO(R_SPARC_RELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_RELATIVE",FALSE
,0,0x00000000,TRUE
),
235 HOWTO(R_SPARC_UA32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA32", FALSE
,0,0xffffffff,TRUE
),
236 HOWTO(R_SPARC_PLT32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT32", FALSE
,0,0xffffffff,TRUE
),
237 HOWTO(R_SPARC_HIPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_HIPLT22", FALSE
,0,0x00000000,TRUE
),
238 HOWTO(R_SPARC_LOPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_LOPLT10", FALSE
,0,0x00000000,TRUE
),
239 HOWTO(R_SPARC_PCPLT32
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT32", FALSE
,0,0x00000000,TRUE
),
240 HOWTO(R_SPARC_PCPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT22", FALSE
,0,0x00000000,TRUE
),
241 HOWTO(R_SPARC_PCPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT10", FALSE
,0,0x00000000,TRUE
),
242 HOWTO(R_SPARC_10
, 0,2,10,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_10", FALSE
,0,0x000003ff,TRUE
),
243 HOWTO(R_SPARC_11
, 0,2,11,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_11", FALSE
,0,0x000007ff,TRUE
),
244 HOWTO(R_SPARC_64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_64", FALSE
,0,MINUS_ONE
, TRUE
),
245 HOWTO(R_SPARC_OLO10
, 0,2,13,FALSE
,0,complain_overflow_signed
, sparc_elf_notsup_reloc
, "R_SPARC_OLO10", FALSE
,0,0x00001fff,TRUE
),
246 HOWTO(R_SPARC_HH22
, 42,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_HH22", FALSE
,0,0x003fffff,TRUE
),
247 HOWTO(R_SPARC_HM10
, 32,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HM10", FALSE
,0,0x000003ff,TRUE
),
248 HOWTO(R_SPARC_LM22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LM22", FALSE
,0,0x003fffff,TRUE
),
249 HOWTO(R_SPARC_PC_HH22
, 42,2,22,TRUE
, 0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_PC_HH22", FALSE
,0,0x003fffff,TRUE
),
250 HOWTO(R_SPARC_PC_HM10
, 32,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_HM10", FALSE
,0,0x000003ff,TRUE
),
251 HOWTO(R_SPARC_PC_LM22
, 10,2,22,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_LM22", FALSE
,0,0x003fffff,TRUE
),
252 HOWTO(R_SPARC_WDISP16
, 2,2,16,TRUE
, 0,complain_overflow_signed
, sparc_elf_wdisp16_reloc
,"R_SPARC_WDISP16", FALSE
,0,0x00000000,TRUE
),
253 HOWTO(R_SPARC_WDISP19
, 2,2,19,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP19", FALSE
,0,0x0007ffff,TRUE
),
254 HOWTO(R_SPARC_UNUSED_42
, 0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_UNUSED_42",FALSE
,0,0x00000000,TRUE
),
255 HOWTO(R_SPARC_7
, 0,2, 7,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_7", FALSE
,0,0x0000007f,TRUE
),
256 HOWTO(R_SPARC_5
, 0,2, 5,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_5", FALSE
,0,0x0000001f,TRUE
),
257 HOWTO(R_SPARC_6
, 0,2, 6,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_6", FALSE
,0,0x0000003f,TRUE
),
258 HOWTO(R_SPARC_DISP64
, 0,4,64,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP64", FALSE
,0,MINUS_ONE
, TRUE
),
259 HOWTO(R_SPARC_PLT64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT64", FALSE
,0,MINUS_ONE
, TRUE
),
260 HOWTO(R_SPARC_HIX22
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_HIX22", FALSE
,0,MINUS_ONE
, FALSE
),
261 HOWTO(R_SPARC_LOX10
, 0,4, 0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_LOX10", FALSE
,0,MINUS_ONE
, FALSE
),
262 HOWTO(R_SPARC_H44
, 22,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_H44", FALSE
,0,0x003fffff,FALSE
),
263 HOWTO(R_SPARC_M44
, 12,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_M44", FALSE
,0,0x000003ff,FALSE
),
264 HOWTO(R_SPARC_L44
, 0,2,13,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_L44", FALSE
,0,0x00000fff,FALSE
),
265 HOWTO(R_SPARC_REGISTER
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_notsup_reloc
, "R_SPARC_REGISTER",FALSE
,0,MINUS_ONE
, FALSE
),
266 HOWTO(R_SPARC_UA64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA64", FALSE
,0,MINUS_ONE
, TRUE
),
267 HOWTO(R_SPARC_UA16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA16", FALSE
,0,0x0000ffff,TRUE
),
268 HOWTO(R_SPARC_TLS_GD_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_HI22",FALSE
,0,0x003fffff,TRUE
),
269 HOWTO(R_SPARC_TLS_GD_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_LO10",FALSE
,0,0x000003ff,TRUE
),
270 HOWTO(R_SPARC_TLS_GD_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_ADD",FALSE
,0,0x00000000,TRUE
),
271 HOWTO(R_SPARC_TLS_GD_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_CALL",FALSE
,0,0x3fffffff,TRUE
),
272 HOWTO(R_SPARC_TLS_LDM_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_HI22",FALSE
,0,0x003fffff,TRUE
),
273 HOWTO(R_SPARC_TLS_LDM_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_LO10",FALSE
,0,0x000003ff,TRUE
),
274 HOWTO(R_SPARC_TLS_LDM_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_ADD",FALSE
,0,0x00000000,TRUE
),
275 HOWTO(R_SPARC_TLS_LDM_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_CALL",FALSE
,0,0x3fffffff,TRUE
),
276 HOWTO(R_SPARC_TLS_LDO_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_TLS_LDO_HIX22",FALSE
,0,0x003fffff, FALSE
),
277 HOWTO(R_SPARC_TLS_LDO_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LDO_LOX10",FALSE
,0,0x000003ff, FALSE
),
278 HOWTO(R_SPARC_TLS_LDO_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDO_ADD",FALSE
,0,0x00000000,TRUE
),
279 HOWTO(R_SPARC_TLS_IE_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_HI22",FALSE
,0,0x003fffff,TRUE
),
280 HOWTO(R_SPARC_TLS_IE_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LO10",FALSE
,0,0x000003ff,TRUE
),
281 HOWTO(R_SPARC_TLS_IE_LD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LD",FALSE
,0,0x00000000,TRUE
),
282 HOWTO(R_SPARC_TLS_IE_LDX
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LDX",FALSE
,0,0x00000000,TRUE
),
283 HOWTO(R_SPARC_TLS_IE_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_ADD",FALSE
,0,0x00000000,TRUE
),
284 HOWTO(R_SPARC_TLS_LE_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_TLS_LE_HIX22",FALSE
,0,0x003fffff, FALSE
),
285 HOWTO(R_SPARC_TLS_LE_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LE_LOX10",FALSE
,0,0x000003ff, FALSE
),
286 HOWTO(R_SPARC_TLS_DTPMOD32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD32",FALSE
,0,0x00000000,TRUE
),
287 HOWTO(R_SPARC_TLS_DTPMOD64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD64",FALSE
,0,0x00000000,TRUE
),
288 HOWTO(R_SPARC_TLS_DTPOFF32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF32",FALSE
,0,0xffffffff,TRUE
),
289 HOWTO(R_SPARC_TLS_DTPOFF64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF64",FALSE
,0,MINUS_ONE
,TRUE
),
290 HOWTO(R_SPARC_TLS_TPOFF32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF32",FALSE
,0,0x00000000,TRUE
),
291 HOWTO(R_SPARC_TLS_TPOFF64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF64",FALSE
,0,0x00000000,TRUE
),
292 HOWTO(R_SPARC_GOTDATA_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_GOTDATA_HIX22",FALSE
,0,0x003fffff, FALSE
),
293 HOWTO(R_SPARC_GOTDATA_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_GOTDATA_LOX10",FALSE
,0,0x000003ff, FALSE
),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_GOTDATA_OP_HIX22",FALSE
,0,0x003fffff, FALSE
),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_GOTDATA_OP_LOX10",FALSE
,0,0x000003ff, FALSE
),
296 HOWTO(R_SPARC_GOTDATA_OP
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOTDATA_OP",FALSE
,0,0x00000000,TRUE
),
297 HOWTO(R_SPARC_H34
,12,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
,"R_SPARC_H34",FALSE
,0,0x003fffff,FALSE
),
298 HOWTO(R_SPARC_SIZE32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE32",FALSE
,0,0xffffffff,TRUE
),
299 HOWTO(R_SPARC_SIZE64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE64",FALSE
,0,MINUS_ONE
, TRUE
),
300 HOWTO(R_SPARC_WDISP10
,2,2,10,TRUE
, 0,complain_overflow_signed
,sparc_elf_wdisp10_reloc
,"R_SPARC_WDISP10",FALSE
,0,0x00000000,TRUE
),
302 static reloc_howto_type sparc_jmp_irel_howto
=
303 HOWTO(R_SPARC_JMP_IREL
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_JMP_IREL",FALSE
,0,0x00000000,TRUE
);
304 static reloc_howto_type sparc_irelative_howto
=
305 HOWTO(R_SPARC_IRELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_IRELATIVE",FALSE
,0,0x00000000,TRUE
);
306 static reloc_howto_type sparc_vtinherit_howto
=
307 HOWTO (R_SPARC_GNU_VTINHERIT
, 0,2,0,FALSE
,0,complain_overflow_dont
, NULL
, "R_SPARC_GNU_VTINHERIT", FALSE
,0, 0, FALSE
);
308 static reloc_howto_type sparc_vtentry_howto
=
309 HOWTO (R_SPARC_GNU_VTENTRY
, 0,2,0,FALSE
,0,complain_overflow_dont
, _bfd_elf_rel_vtable_reloc_fn
,"R_SPARC_GNU_VTENTRY", FALSE
,0,0, FALSE
);
310 static reloc_howto_type sparc_rev32_howto
=
311 HOWTO(R_SPARC_REV32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_REV32", FALSE
,0,0xffffffff,TRUE
);
314 _bfd_sparc_elf_reloc_type_lookup (bfd
*abfd
,
315 bfd_reloc_code_real_type code
)
317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
322 return &_bfd_sparc_elf_howto_table
[R_SPARC_NONE
];
325 return &_bfd_sparc_elf_howto_table
[R_SPARC_8
];
328 return &_bfd_sparc_elf_howto_table
[R_SPARC_16
];
331 return &_bfd_sparc_elf_howto_table
[R_SPARC_32
];
333 case BFD_RELOC_8_PCREL
:
334 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP8
];
336 case BFD_RELOC_16_PCREL
:
337 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP16
];
339 case BFD_RELOC_32_PCREL
:
340 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP32
];
342 case BFD_RELOC_32_PCREL_S2
:
343 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP30
];
345 case BFD_RELOC_SPARC_WDISP22
:
346 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP22
];
349 return &_bfd_sparc_elf_howto_table
[R_SPARC_HI22
];
351 case BFD_RELOC_SPARC22
:
352 return &_bfd_sparc_elf_howto_table
[R_SPARC_22
];
354 case BFD_RELOC_SPARC13
:
355 return &_bfd_sparc_elf_howto_table
[R_SPARC_13
];
358 return &_bfd_sparc_elf_howto_table
[R_SPARC_LO10
];
360 case BFD_RELOC_SPARC_GOT10
:
361 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT10
];
363 case BFD_RELOC_SPARC_GOT13
:
364 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT13
];
366 case BFD_RELOC_SPARC_GOT22
:
367 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT22
];
369 case BFD_RELOC_SPARC_PC10
:
370 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC10
];
372 case BFD_RELOC_SPARC_PC22
:
373 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC22
];
375 case BFD_RELOC_SPARC_WPLT30
:
376 return &_bfd_sparc_elf_howto_table
[R_SPARC_WPLT30
];
378 case BFD_RELOC_SPARC_COPY
:
379 return &_bfd_sparc_elf_howto_table
[R_SPARC_COPY
];
381 case BFD_RELOC_SPARC_GLOB_DAT
:
382 return &_bfd_sparc_elf_howto_table
[R_SPARC_GLOB_DAT
];
384 case BFD_RELOC_SPARC_JMP_SLOT
:
385 return &_bfd_sparc_elf_howto_table
[R_SPARC_JMP_SLOT
];
387 case BFD_RELOC_SPARC_RELATIVE
:
388 return &_bfd_sparc_elf_howto_table
[R_SPARC_RELATIVE
];
390 case BFD_RELOC_SPARC_UA32
:
391 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA32
];
393 case BFD_RELOC_SPARC_PLT32
:
394 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT32
];
396 case BFD_RELOC_SPARC_10
:
397 return &_bfd_sparc_elf_howto_table
[R_SPARC_10
];
399 case BFD_RELOC_SPARC_11
:
400 return &_bfd_sparc_elf_howto_table
[R_SPARC_11
];
402 case BFD_RELOC_SPARC_64
:
403 return &_bfd_sparc_elf_howto_table
[R_SPARC_64
];
405 case BFD_RELOC_SPARC_OLO10
:
406 return &_bfd_sparc_elf_howto_table
[R_SPARC_OLO10
];
408 case BFD_RELOC_SPARC_HH22
:
409 return &_bfd_sparc_elf_howto_table
[R_SPARC_HH22
];
411 case BFD_RELOC_SPARC_HM10
:
412 return &_bfd_sparc_elf_howto_table
[R_SPARC_HM10
];
414 case BFD_RELOC_SPARC_LM22
:
415 return &_bfd_sparc_elf_howto_table
[R_SPARC_LM22
];
417 case BFD_RELOC_SPARC_PC_HH22
:
418 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HH22
];
420 case BFD_RELOC_SPARC_PC_HM10
:
421 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HM10
];
423 case BFD_RELOC_SPARC_PC_LM22
:
424 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_LM22
];
426 case BFD_RELOC_SPARC_WDISP16
:
427 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP16
];
429 case BFD_RELOC_SPARC_WDISP19
:
430 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP19
];
432 case BFD_RELOC_SPARC_7
:
433 return &_bfd_sparc_elf_howto_table
[R_SPARC_7
];
435 case BFD_RELOC_SPARC_5
:
436 return &_bfd_sparc_elf_howto_table
[R_SPARC_5
];
438 case BFD_RELOC_SPARC_6
:
439 return &_bfd_sparc_elf_howto_table
[R_SPARC_6
];
441 case BFD_RELOC_SPARC_DISP64
:
442 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP64
];
444 case BFD_RELOC_SPARC_PLT64
:
445 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT64
];
447 case BFD_RELOC_SPARC_HIX22
:
448 return &_bfd_sparc_elf_howto_table
[R_SPARC_HIX22
];
450 case BFD_RELOC_SPARC_LOX10
:
451 return &_bfd_sparc_elf_howto_table
[R_SPARC_LOX10
];
453 case BFD_RELOC_SPARC_H44
:
454 return &_bfd_sparc_elf_howto_table
[R_SPARC_H44
];
456 case BFD_RELOC_SPARC_M44
:
457 return &_bfd_sparc_elf_howto_table
[R_SPARC_M44
];
459 case BFD_RELOC_SPARC_L44
:
460 return &_bfd_sparc_elf_howto_table
[R_SPARC_L44
];
462 case BFD_RELOC_SPARC_REGISTER
:
463 return &_bfd_sparc_elf_howto_table
[R_SPARC_REGISTER
];
465 case BFD_RELOC_SPARC_UA64
:
466 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA64
];
468 case BFD_RELOC_SPARC_UA16
:
469 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA16
];
471 case BFD_RELOC_SPARC_TLS_GD_HI22
:
472 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_HI22
];
474 case BFD_RELOC_SPARC_TLS_GD_LO10
:
475 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_LO10
];
477 case BFD_RELOC_SPARC_TLS_GD_ADD
:
478 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_ADD
];
480 case BFD_RELOC_SPARC_TLS_GD_CALL
:
481 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_CALL
];
483 case BFD_RELOC_SPARC_TLS_LDM_HI22
:
484 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_HI22
];
486 case BFD_RELOC_SPARC_TLS_LDM_LO10
:
487 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_LO10
];
489 case BFD_RELOC_SPARC_TLS_LDM_ADD
:
490 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_ADD
];
492 case BFD_RELOC_SPARC_TLS_LDM_CALL
:
493 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_CALL
];
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22
:
496 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_HIX22
];
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10
:
499 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_LOX10
];
501 case BFD_RELOC_SPARC_TLS_LDO_ADD
:
502 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_ADD
];
504 case BFD_RELOC_SPARC_TLS_IE_HI22
:
505 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_HI22
];
507 case BFD_RELOC_SPARC_TLS_IE_LO10
:
508 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LO10
];
510 case BFD_RELOC_SPARC_TLS_IE_LD
:
511 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LD
];
513 case BFD_RELOC_SPARC_TLS_IE_LDX
:
514 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LDX
];
516 case BFD_RELOC_SPARC_TLS_IE_ADD
:
517 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_ADD
];
519 case BFD_RELOC_SPARC_TLS_LE_HIX22
:
520 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_HIX22
];
522 case BFD_RELOC_SPARC_TLS_LE_LOX10
:
523 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_LOX10
];
525 case BFD_RELOC_SPARC_TLS_DTPMOD32
:
526 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD32
];
528 case BFD_RELOC_SPARC_TLS_DTPMOD64
:
529 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD64
];
531 case BFD_RELOC_SPARC_TLS_DTPOFF32
:
532 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF32
];
534 case BFD_RELOC_SPARC_TLS_DTPOFF64
:
535 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF64
];
537 case BFD_RELOC_SPARC_TLS_TPOFF32
:
538 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF32
];
540 case BFD_RELOC_SPARC_TLS_TPOFF64
:
541 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF64
];
543 case BFD_RELOC_SPARC_GOTDATA_HIX22
:
544 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_HIX22
];
546 case BFD_RELOC_SPARC_GOTDATA_LOX10
:
547 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_LOX10
];
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22
:
550 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_HIX22
];
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10
:
553 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_LOX10
];
555 case BFD_RELOC_SPARC_GOTDATA_OP
:
556 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP
];
558 case BFD_RELOC_SPARC_H34
:
559 return &_bfd_sparc_elf_howto_table
[R_SPARC_H34
];
561 case BFD_RELOC_SPARC_SIZE32
:
562 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE32
];
564 case BFD_RELOC_SPARC_SIZE64
:
565 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE64
];
567 case BFD_RELOC_SPARC_WDISP10
:
568 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP10
];
570 case BFD_RELOC_SPARC_JMP_IREL
:
571 return &sparc_jmp_irel_howto
;
573 case BFD_RELOC_SPARC_IRELATIVE
:
574 return &sparc_irelative_howto
;
576 case BFD_RELOC_VTABLE_INHERIT
:
577 return &sparc_vtinherit_howto
;
579 case BFD_RELOC_VTABLE_ENTRY
:
580 return &sparc_vtentry_howto
;
582 case BFD_RELOC_SPARC_REV32
:
583 return &sparc_rev32_howto
;
588 /* xgettext:c-format */
589 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd
, (int) code
);
590 bfd_set_error (bfd_error_bad_value
);
595 _bfd_sparc_elf_reloc_name_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
600 for (i
= 0; i
< ARRAY_SIZE (_bfd_sparc_elf_howto_table
); i
++)
601 if (_bfd_sparc_elf_howto_table
[i
].name
!= NULL
602 && strcasecmp (_bfd_sparc_elf_howto_table
[i
].name
, r_name
) == 0)
603 return &_bfd_sparc_elf_howto_table
[i
];
605 if (strcasecmp (sparc_vtinherit_howto
.name
, r_name
) == 0)
606 return &sparc_vtinherit_howto
;
607 if (strcasecmp (sparc_vtentry_howto
.name
, r_name
) == 0)
608 return &sparc_vtentry_howto
;
609 if (strcasecmp (sparc_rev32_howto
.name
, r_name
) == 0)
610 return &sparc_rev32_howto
;
616 _bfd_sparc_elf_info_to_howto_ptr (bfd
*abfd ATTRIBUTE_UNUSED
,
621 case R_SPARC_JMP_IREL
:
622 return &sparc_jmp_irel_howto
;
624 case R_SPARC_IRELATIVE
:
625 return &sparc_irelative_howto
;
627 case R_SPARC_GNU_VTINHERIT
:
628 return &sparc_vtinherit_howto
;
630 case R_SPARC_GNU_VTENTRY
:
631 return &sparc_vtentry_howto
;
634 return &sparc_rev32_howto
;
637 if (r_type
>= (unsigned int) R_SPARC_max_std
)
639 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
641 bfd_set_error (bfd_error_bad_value
);
644 return &_bfd_sparc_elf_howto_table
[r_type
];
648 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
649 so just take advantage of that. */
650 #define SPARC_ELF_R_TYPE(r_info) \
654 _bfd_sparc_elf_info_to_howto (bfd
*abfd
, arelent
*cache_ptr
,
655 Elf_Internal_Rela
*dst
)
657 unsigned int r_type
= SPARC_ELF_R_TYPE (dst
->r_info
);
659 if ((cache_ptr
->howto
= _bfd_sparc_elf_info_to_howto_ptr (abfd
, r_type
)) == NULL
)
661 bfd_set_error (bfd_error_bad_value
);
668 /* The nop opcode we use. */
669 #define SPARC_NOP 0x01000000
671 #define SPARC_INSN_BYTES 4
673 /* Is an undefined weak symbol resolved to 0 ?
674 Reference to an undefined weak symbol is resolved to 0 when
675 building an executable if it isn't dynamic and
676 1. Has non-GOT/non-PLT relocations in text section.
678 2. Has no GOT/PLT relocation. */
679 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
680 ((EH)->elf.root.type == bfd_link_hash_undefweak \
681 && bfd_link_executable (INFO) \
682 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
683 || !(INFO)->dynamic_undefined_weak \
684 || (EH)->has_non_got_reloc \
685 || !(EH)->has_got_reloc))
687 /* SPARC ELF linker hash entry. */
689 struct _bfd_sparc_elf_link_hash_entry
691 struct elf_link_hash_entry elf
;
693 #define GOT_UNKNOWN 0
697 unsigned char tls_type
;
699 /* Symbol has GOT or PLT relocations. */
700 unsigned int has_got_reloc
: 1;
702 /* Symbol has old-style, non-relaxable GOT relocations. */
703 unsigned int has_old_style_got_reloc
: 1;
705 /* Symbol has non-GOT/non-PLT relocations in text sections. */
706 unsigned int has_non_got_reloc
: 1;
710 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
712 struct _bfd_sparc_elf_obj_tdata
714 struct elf_obj_tdata root
;
716 /* tls_type for each local got entry. */
717 char *local_got_tls_type
;
719 /* TRUE if TLS GD relocs has been seen for this object. */
720 bfd_boolean has_tlsgd
;
723 #define _bfd_sparc_elf_tdata(abfd) \
724 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
726 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
727 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
729 #define is_sparc_elf(bfd) \
730 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
731 && elf_tdata (bfd) != NULL \
732 && elf_object_id (bfd) == SPARC_ELF_DATA)
735 _bfd_sparc_elf_mkobject (bfd
*abfd
)
737 return bfd_elf_allocate_object (abfd
, sizeof (struct _bfd_sparc_elf_obj_tdata
),
742 sparc_put_word_32 (bfd
*abfd
, bfd_vma val
, void *ptr
)
744 bfd_put_32 (abfd
, val
, ptr
);
748 sparc_put_word_64 (bfd
*abfd
, bfd_vma val
, void *ptr
)
750 bfd_put_64 (abfd
, val
, ptr
);
754 sparc_elf_append_rela (bfd
*abfd
, asection
*s
, Elf_Internal_Rela
*rel
)
756 const struct elf_backend_data
*bed
;
759 bed
= get_elf_backend_data (abfd
);
760 BFD_ASSERT (s
->reloc_count
* bed
->s
->sizeof_rela
< s
->size
);
761 loc
= s
->contents
+ (s
->reloc_count
++ * bed
->s
->sizeof_rela
);
762 bed
->s
->swap_reloca_out (abfd
, rel
, loc
);
766 sparc_elf_r_info_64 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
767 bfd_vma rel_index ATTRIBUTE_UNUSED
,
768 bfd_vma type ATTRIBUTE_UNUSED
)
770 return ELF64_R_INFO (rel_index
,
772 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel
->r_info
),
777 sparc_elf_r_info_32 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
778 bfd_vma rel_index
, bfd_vma type
)
780 return ELF32_R_INFO (rel_index
, type
);
784 sparc_elf_r_symndx_64 (bfd_vma r_info
)
786 bfd_vma r_symndx
= ELF32_R_SYM (r_info
);
787 return (r_symndx
>> 24);
791 sparc_elf_r_symndx_32 (bfd_vma r_info
)
793 return ELF32_R_SYM (r_info
);
798 #define PLT32_ENTRY_SIZE 12
799 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
801 /* The first four entries in a 32-bit procedure linkage table are reserved,
802 and the initial contents are unimportant (we zero them out).
803 Subsequent entries look like this. See the SVR4 ABI SPARC
804 supplement to see how this works. */
806 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
807 #define PLT32_ENTRY_WORD0 0x03000000
808 /* b,a .plt0. We fill in the offset later. */
809 #define PLT32_ENTRY_WORD1 0x30800000
811 #define PLT32_ENTRY_WORD2 SPARC_NOP
814 sparc32_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
815 bfd_vma max ATTRIBUTE_UNUSED
,
818 bfd_put_32 (output_bfd
,
819 PLT32_ENTRY_WORD0
+ offset
,
820 splt
->contents
+ offset
);
821 bfd_put_32 (output_bfd
,
823 + (((- (offset
+ 4)) >> 2) & 0x3fffff)),
824 splt
->contents
+ offset
+ 4);
825 bfd_put_32 (output_bfd
, (bfd_vma
) PLT32_ENTRY_WORD2
,
826 splt
->contents
+ offset
+ 8);
830 return offset
/ PLT32_ENTRY_SIZE
- 4;
833 /* Both the headers and the entries are icache aligned. */
834 #define PLT64_ENTRY_SIZE 32
835 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
836 #define PLT64_LARGE_THRESHOLD 32768
839 sparc64_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
840 bfd_vma max
, bfd_vma
*r_offset
)
842 unsigned char *entry
= splt
->contents
+ offset
;
843 const unsigned int nop
= SPARC_NOP
;
846 if (offset
< (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
848 unsigned int sethi
, ba
;
852 plt_index
= (offset
/ PLT64_ENTRY_SIZE
);
854 sethi
= 0x03000000 | (plt_index
* PLT64_ENTRY_SIZE
);
856 | (((splt
->contents
+ PLT64_ENTRY_SIZE
) - (entry
+ 4)) / 4 & 0x7ffff);
858 bfd_put_32 (output_bfd
, (bfd_vma
) sethi
, entry
);
859 bfd_put_32 (output_bfd
, (bfd_vma
) ba
, entry
+ 4);
860 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 8);
861 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 12);
862 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 16);
863 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 20);
864 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 24);
865 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 28);
871 int block
, last_block
, ofs
, last_ofs
, chunks_this_block
;
872 const int insn_chunk_size
= (6 * 4);
873 const int ptr_chunk_size
= (1 * 8);
874 const int entries_per_block
= 160;
875 const int block_size
= entries_per_block
* (insn_chunk_size
878 /* Entries 32768 and higher are grouped into blocks of 160.
879 The blocks are further subdivided into 160 sequences of
880 6 instructions and 160 pointers. If a block does not require
881 the full 160 entries, let's say it requires N, then there
882 will be N sequences of 6 instructions and N pointers. */
884 offset
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
885 max
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
887 block
= offset
/ block_size
;
888 last_block
= max
/ block_size
;
889 if (block
!= last_block
)
891 chunks_this_block
= 160;
895 last_ofs
= max
% block_size
;
896 chunks_this_block
= last_ofs
/ (insn_chunk_size
+ ptr_chunk_size
);
899 ofs
= offset
% block_size
;
901 plt_index
= (PLT64_LARGE_THRESHOLD
+
903 (ofs
/ insn_chunk_size
));
906 + (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
907 + (block
* block_size
)
908 + (chunks_this_block
* insn_chunk_size
)
909 + (ofs
/ insn_chunk_size
) * ptr_chunk_size
;
911 *r_offset
= (bfd_vma
) (ptr
- splt
->contents
);
913 ldx
= 0xc25be000 | ((ptr
- (entry
+4)) & 0x1fff);
921 bfd_put_32 (output_bfd
, (bfd_vma
) 0x8a10000f, entry
);
922 bfd_put_32 (output_bfd
, (bfd_vma
) 0x40000002, entry
+ 4);
923 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
, entry
+ 8);
924 bfd_put_32 (output_bfd
, (bfd_vma
) ldx
, entry
+ 12);
925 bfd_put_32 (output_bfd
, (bfd_vma
) 0x83c3c001, entry
+ 16);
926 bfd_put_32 (output_bfd
, (bfd_vma
) 0x9e100005, entry
+ 20);
928 bfd_put_64 (output_bfd
, (bfd_vma
) (splt
->contents
- (entry
+ 4)), ptr
);
931 return plt_index
- 4;
934 /* The format of the first PLT entry in a VxWorks executable. */
935 static const bfd_vma sparc_vxworks_exec_plt0_entry
[] =
937 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
938 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
939 0xc4008000, /* ld [ %g2 ], %g2 */
940 0x81c08000, /* jmp %g2 */
944 /* The format of subsequent PLT entries. */
945 static const bfd_vma sparc_vxworks_exec_plt_entry
[] =
947 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
948 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
949 0xc2004000, /* ld [ %g1 ], %g1 */
950 0x81c04000, /* jmp %g1 */
951 0x01000000, /* nop */
952 0x03000000, /* sethi %hi(f@pltindex), %g1 */
953 0x10800000, /* b _PLT_resolve */
954 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
957 /* The format of the first PLT entry in a VxWorks shared object. */
958 static const bfd_vma sparc_vxworks_shared_plt0_entry
[] =
960 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
961 0x81c08000, /* jmp %g2 */
965 /* The format of subsequent PLT entries. */
966 static const bfd_vma sparc_vxworks_shared_plt_entry
[] =
968 0x03000000, /* sethi %hi(f@got), %g1 */
969 0x82106000, /* or %g1, %lo(f@got), %g1 */
970 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
971 0x81c04000, /* jmp %g1 */
972 0x01000000, /* nop */
973 0x03000000, /* sethi %hi(f@pltindex), %g1 */
974 0x10800000, /* b _PLT_resolve */
975 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
978 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
979 htab->put_word(bfd, val, ptr)
981 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
982 htab->r_info(in_rel, index, type)
984 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
985 htab->r_symndx(r_info)
987 #define SPARC_ELF_WORD_BYTES(htab) \
990 #define SPARC_ELF_RELA_BYTES(htab) \
993 #define SPARC_ELF_DTPOFF_RELOC(htab) \
996 #define SPARC_ELF_DTPMOD_RELOC(htab) \
999 #define SPARC_ELF_TPOFF_RELOC(htab) \
1002 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1003 htab->build_plt_entry (obfd, splt, off, max, r_off)
1005 /* Create an entry in an SPARC ELF linker hash table. */
1007 static struct bfd_hash_entry
*
1008 link_hash_newfunc (struct bfd_hash_entry
*entry
,
1009 struct bfd_hash_table
*table
, const char *string
)
1011 /* Allocate the structure if it has not already been allocated by a
1015 entry
= bfd_hash_allocate (table
,
1016 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1021 /* Call the allocation method of the superclass. */
1022 entry
= _bfd_elf_link_hash_newfunc (entry
, table
, string
);
1025 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1027 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) entry
;
1028 eh
->tls_type
= GOT_UNKNOWN
;
1029 eh
->has_got_reloc
= 0;
1030 eh
->has_non_got_reloc
= 0;
1036 /* The name of the dynamic interpreter. This is put in the .interp
1039 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1040 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1042 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1043 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1044 as global symbol. We reuse indx and dynstr_index for local symbol
1045 hash since they aren't used by global symbols in this backend. */
1048 elf_sparc_local_htab_hash (const void *ptr
)
1050 struct elf_link_hash_entry
*h
1051 = (struct elf_link_hash_entry
*) ptr
;
1052 return ELF_LOCAL_SYMBOL_HASH (h
->indx
, h
->dynstr_index
);
1055 /* Compare local hash entries. */
1058 elf_sparc_local_htab_eq (const void *ptr1
, const void *ptr2
)
1060 struct elf_link_hash_entry
*h1
1061 = (struct elf_link_hash_entry
*) ptr1
;
1062 struct elf_link_hash_entry
*h2
1063 = (struct elf_link_hash_entry
*) ptr2
;
1065 return h1
->indx
== h2
->indx
&& h1
->dynstr_index
== h2
->dynstr_index
;
1068 /* Find and/or create a hash entry for local symbol. */
1070 static struct elf_link_hash_entry
*
1071 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table
*htab
,
1072 bfd
*abfd
, const Elf_Internal_Rela
*rel
,
1075 struct _bfd_sparc_elf_link_hash_entry e
, *ret
;
1076 asection
*sec
= abfd
->sections
;
1077 unsigned long r_symndx
;
1081 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1082 h
= ELF_LOCAL_SYMBOL_HASH (sec
->id
, r_symndx
);
1084 e
.elf
.indx
= sec
->id
;
1085 e
.elf
.dynstr_index
= r_symndx
;
1086 slot
= htab_find_slot_with_hash (htab
->loc_hash_table
, &e
, h
,
1087 create
? INSERT
: NO_INSERT
);
1094 ret
= (struct _bfd_sparc_elf_link_hash_entry
*) *slot
;
1098 ret
= (struct _bfd_sparc_elf_link_hash_entry
*)
1099 objalloc_alloc ((struct objalloc
*) htab
->loc_hash_memory
,
1100 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1103 memset (ret
, 0, sizeof (*ret
));
1104 ret
->elf
.indx
= sec
->id
;
1105 ret
->elf
.dynstr_index
= r_symndx
;
1106 ret
->elf
.dynindx
= -1;
1107 ret
->elf
.plt
.offset
= (bfd_vma
) -1;
1108 ret
->elf
.got
.offset
= (bfd_vma
) -1;
1114 /* Destroy a SPARC ELF linker hash table. */
1117 _bfd_sparc_elf_link_hash_table_free (bfd
*obfd
)
1119 struct _bfd_sparc_elf_link_hash_table
*htab
1120 = (struct _bfd_sparc_elf_link_hash_table
*) obfd
->link
.hash
;
1122 if (htab
->loc_hash_table
)
1123 htab_delete (htab
->loc_hash_table
);
1124 if (htab
->loc_hash_memory
)
1125 objalloc_free ((struct objalloc
*) htab
->loc_hash_memory
);
1126 _bfd_elf_link_hash_table_free (obfd
);
1129 /* Create a SPARC ELF linker hash table. */
1131 struct bfd_link_hash_table
*
1132 _bfd_sparc_elf_link_hash_table_create (bfd
*abfd
)
1134 struct _bfd_sparc_elf_link_hash_table
*ret
;
1135 size_t amt
= sizeof (struct _bfd_sparc_elf_link_hash_table
);
1137 ret
= (struct _bfd_sparc_elf_link_hash_table
*) bfd_zmalloc (amt
);
1141 if (ABI_64_P (abfd
))
1143 ret
->put_word
= sparc_put_word_64
;
1144 ret
->r_info
= sparc_elf_r_info_64
;
1145 ret
->r_symndx
= sparc_elf_r_symndx_64
;
1146 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF64
;
1147 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD64
;
1148 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF64
;
1149 ret
->word_align_power
= 3;
1150 ret
->align_power_max
= 4;
1151 ret
->bytes_per_word
= 8;
1152 ret
->bytes_per_rela
= sizeof (Elf64_External_Rela
);
1153 ret
->dynamic_interpreter
= ELF64_DYNAMIC_INTERPRETER
;
1154 ret
->dynamic_interpreter_size
= sizeof ELF64_DYNAMIC_INTERPRETER
;
1156 ret
->build_plt_entry
= sparc64_plt_entry_build
;
1157 ret
->plt_header_size
= PLT64_HEADER_SIZE
;
1158 ret
->plt_entry_size
= PLT64_ENTRY_SIZE
;
1162 ret
->put_word
= sparc_put_word_32
;
1163 ret
->r_info
= sparc_elf_r_info_32
;
1164 ret
->r_symndx
= sparc_elf_r_symndx_32
;
1165 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF32
;
1166 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD32
;
1167 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF32
;
1168 ret
->word_align_power
= 2;
1169 ret
->align_power_max
= 3;
1170 ret
->bytes_per_word
= 4;
1171 ret
->bytes_per_rela
= sizeof (Elf32_External_Rela
);
1172 ret
->dynamic_interpreter
= ELF32_DYNAMIC_INTERPRETER
;
1173 ret
->dynamic_interpreter_size
= sizeof ELF32_DYNAMIC_INTERPRETER
;
1175 ret
->build_plt_entry
= sparc32_plt_entry_build
;
1176 ret
->plt_header_size
= PLT32_HEADER_SIZE
;
1177 ret
->plt_entry_size
= PLT32_ENTRY_SIZE
;
1180 if (!_bfd_elf_link_hash_table_init (&ret
->elf
, abfd
, link_hash_newfunc
,
1181 sizeof (struct _bfd_sparc_elf_link_hash_entry
),
1188 ret
->loc_hash_table
= htab_try_create (1024,
1189 elf_sparc_local_htab_hash
,
1190 elf_sparc_local_htab_eq
,
1192 ret
->loc_hash_memory
= objalloc_create ();
1193 if (!ret
->loc_hash_table
|| !ret
->loc_hash_memory
)
1195 _bfd_sparc_elf_link_hash_table_free (abfd
);
1198 ret
->elf
.root
.hash_table_free
= _bfd_sparc_elf_link_hash_table_free
;
1200 return &ret
->elf
.root
;
1203 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1204 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1208 _bfd_sparc_elf_create_dynamic_sections (bfd
*dynobj
,
1209 struct bfd_link_info
*info
)
1211 struct _bfd_sparc_elf_link_hash_table
*htab
;
1213 htab
= _bfd_sparc_elf_hash_table (info
);
1214 BFD_ASSERT (htab
!= NULL
);
1216 if (!_bfd_elf_create_dynamic_sections (dynobj
, info
))
1219 if (htab
->elf
.target_os
== is_vxworks
)
1221 if (!elf_vxworks_create_dynamic_sections (dynobj
, info
, &htab
->srelplt2
))
1223 if (bfd_link_pic (info
))
1225 htab
->plt_header_size
1226 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
);
1227 htab
->plt_entry_size
1228 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry
);
1232 htab
->plt_header_size
1233 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry
);
1234 htab
->plt_entry_size
1235 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry
);
1239 if (!htab
->elf
.splt
|| !htab
->elf
.srelplt
|| !htab
->elf
.sdynbss
1240 || (!bfd_link_pic (info
) && !htab
->elf
.srelbss
))
1247 create_ifunc_sections (bfd
*abfd
, struct bfd_link_info
*info
)
1249 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
1250 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
1251 flagword flags
, pltflags
;
1254 if (htab
->irelifunc
!= NULL
|| htab
->iplt
!= NULL
)
1257 flags
= bed
->dynamic_sec_flags
;
1258 pltflags
= flags
| SEC_ALLOC
| SEC_CODE
| SEC_LOAD
;
1260 s
= bfd_make_section_with_flags (abfd
, ".iplt", pltflags
);
1262 || !bfd_set_section_alignment (s
, bed
->plt_alignment
))
1266 s
= bfd_make_section_with_flags (abfd
, ".rela.iplt",
1267 flags
| SEC_READONLY
);
1269 || !bfd_set_section_alignment (s
, bed
->s
->log_file_align
))
1276 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1279 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info
*info
,
1280 struct elf_link_hash_entry
*dir
,
1281 struct elf_link_hash_entry
*ind
)
1283 struct _bfd_sparc_elf_link_hash_entry
*edir
, *eind
;
1285 edir
= (struct _bfd_sparc_elf_link_hash_entry
*) dir
;
1286 eind
= (struct _bfd_sparc_elf_link_hash_entry
*) ind
;
1288 if (ind
->root
.type
== bfd_link_hash_indirect
&& dir
->got
.refcount
<= 0)
1290 edir
->tls_type
= eind
->tls_type
;
1291 eind
->tls_type
= GOT_UNKNOWN
;
1294 /* Copy has_got_reloc and has_non_got_reloc. */
1295 edir
->has_got_reloc
|= eind
->has_got_reloc
;
1296 edir
->has_non_got_reloc
|= eind
->has_non_got_reloc
;
1298 _bfd_elf_link_hash_copy_indirect (info
, dir
, ind
);
1302 sparc_elf_tls_transition (struct bfd_link_info
*info
, bfd
*abfd
,
1303 int r_type
, int is_local
)
1305 if (! ABI_64_P (abfd
)
1306 && r_type
== R_SPARC_TLS_GD_HI22
1307 && ! _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
)
1308 return R_SPARC_REV32
;
1310 if (!bfd_link_executable (info
))
1315 case R_SPARC_TLS_GD_HI22
:
1316 return is_local
? R_SPARC_TLS_LE_HIX22
: R_SPARC_TLS_IE_HI22
;
1317 case R_SPARC_TLS_GD_LO10
:
1318 return is_local
? R_SPARC_TLS_LE_LOX10
: R_SPARC_TLS_IE_LO10
;
1319 case R_SPARC_TLS_LDM_HI22
:
1320 return R_SPARC_TLS_LE_HIX22
;
1321 case R_SPARC_TLS_LDM_LO10
:
1322 return R_SPARC_TLS_LE_LOX10
;
1323 case R_SPARC_TLS_IE_HI22
:
1324 return is_local
? R_SPARC_TLS_LE_HIX22
: r_type
;
1325 case R_SPARC_TLS_IE_LO10
:
1326 return is_local
? R_SPARC_TLS_LE_LOX10
: r_type
;
1332 /* Look through the relocs for a section during the first phase, and
1333 allocate space in the global offset table or procedure linkage
1337 _bfd_sparc_elf_check_relocs (bfd
*abfd
, struct bfd_link_info
*info
,
1338 asection
*sec
, const Elf_Internal_Rela
*relocs
)
1340 struct _bfd_sparc_elf_link_hash_table
*htab
;
1341 Elf_Internal_Shdr
*symtab_hdr
;
1342 struct elf_link_hash_entry
**sym_hashes
;
1343 const Elf_Internal_Rela
*rel
;
1344 const Elf_Internal_Rela
*rel_end
;
1347 bfd_boolean checked_tlsgd
= FALSE
;
1349 if (bfd_link_relocatable (info
))
1352 htab
= _bfd_sparc_elf_hash_table (info
);
1353 BFD_ASSERT (htab
!= NULL
);
1354 symtab_hdr
= &elf_symtab_hdr (abfd
);
1355 sym_hashes
= elf_sym_hashes (abfd
);
1359 if (ABI_64_P (abfd
))
1360 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec
));
1362 num_relocs
= sec
->reloc_count
;
1364 BFD_ASSERT (is_sparc_elf (abfd
) || num_relocs
== 0);
1366 if (htab
->elf
.dynobj
== NULL
)
1367 htab
->elf
.dynobj
= abfd
;
1368 if (!create_ifunc_sections (htab
->elf
.dynobj
, info
))
1371 rel_end
= relocs
+ num_relocs
;
1372 for (rel
= relocs
; rel
< rel_end
; rel
++)
1374 unsigned int r_type
;
1375 unsigned int r_symndx
;
1376 struct elf_link_hash_entry
*h
;
1377 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1378 Elf_Internal_Sym
*isym
;
1380 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1381 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1383 if (r_symndx
>= NUM_SHDR_ENTRIES (symtab_hdr
))
1385 /* xgettext:c-format */
1386 _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd
, r_symndx
);
1391 if (r_symndx
< symtab_hdr
->sh_info
)
1393 /* A local symbol. */
1394 isym
= bfd_sym_from_r_symndx (&htab
->sym_cache
, abfd
, r_symndx
);
1398 /* Check relocation against local STT_GNU_IFUNC symbol. */
1399 if (ELF_ST_TYPE (isym
->st_info
) == STT_GNU_IFUNC
)
1401 h
= elf_sparc_get_local_sym_hash (htab
, abfd
, rel
, TRUE
);
1405 /* Fake a STT_GNU_IFUNC symbol. */
1406 h
->type
= STT_GNU_IFUNC
;
1409 h
->forced_local
= 1;
1410 h
->root
.type
= bfd_link_hash_defined
;
1417 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1418 while (h
->root
.type
== bfd_link_hash_indirect
1419 || h
->root
.type
== bfd_link_hash_warning
)
1420 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1423 if (h
&& h
->type
== STT_GNU_IFUNC
&& h
->def_regular
)
1426 h
->plt
.refcount
+= 1;
1429 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1430 with R_SPARC_TLS_GD_HI22. */
1431 if (! ABI_64_P (abfd
) && ! checked_tlsgd
)
1434 case R_SPARC_TLS_GD_HI22
:
1436 const Elf_Internal_Rela
*relt
;
1438 for (relt
= rel
+ 1; relt
< rel_end
; relt
++)
1439 if (ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_LO10
1440 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_ADD
1441 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_CALL
)
1443 checked_tlsgd
= TRUE
;
1444 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= relt
< rel_end
;
1447 case R_SPARC_TLS_GD_LO10
:
1448 case R_SPARC_TLS_GD_ADD
:
1449 case R_SPARC_TLS_GD_CALL
:
1450 checked_tlsgd
= TRUE
;
1451 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= TRUE
;
1455 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
1456 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1460 case R_SPARC_TLS_LDM_HI22
:
1461 case R_SPARC_TLS_LDM_LO10
:
1462 htab
->tls_ldm_got
.refcount
+= 1;
1464 eh
->has_got_reloc
= 1;
1467 case R_SPARC_TLS_LE_HIX22
:
1468 case R_SPARC_TLS_LE_LOX10
:
1469 if (!bfd_link_executable (info
))
1473 case R_SPARC_TLS_IE_HI22
:
1474 case R_SPARC_TLS_IE_LO10
:
1475 if (!bfd_link_executable (info
))
1476 info
->flags
|= DF_STATIC_TLS
;
1482 case R_SPARC_GOTDATA_HIX22
:
1483 case R_SPARC_GOTDATA_LOX10
:
1484 case R_SPARC_GOTDATA_OP_HIX22
:
1485 case R_SPARC_GOTDATA_OP_LOX10
:
1486 case R_SPARC_TLS_GD_HI22
:
1487 case R_SPARC_TLS_GD_LO10
:
1488 /* This symbol requires a global offset table entry. */
1490 int tls_type
, old_tls_type
;
1494 case R_SPARC_TLS_GD_HI22
:
1495 case R_SPARC_TLS_GD_LO10
:
1496 tls_type
= GOT_TLS_GD
;
1498 case R_SPARC_TLS_IE_HI22
:
1499 case R_SPARC_TLS_IE_LO10
:
1500 tls_type
= GOT_TLS_IE
;
1503 tls_type
= GOT_NORMAL
;
1509 h
->got
.refcount
+= 1;
1510 old_tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
1514 bfd_signed_vma
*local_got_refcounts
;
1516 /* This is a global offset table entry for a local symbol. */
1517 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1518 if (local_got_refcounts
== NULL
)
1522 size
= symtab_hdr
->sh_info
;
1523 size
*= (sizeof (bfd_signed_vma
) + sizeof(char));
1524 local_got_refcounts
= ((bfd_signed_vma
*)
1525 bfd_zalloc (abfd
, size
));
1526 if (local_got_refcounts
== NULL
)
1528 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
1529 _bfd_sparc_elf_local_got_tls_type (abfd
)
1530 = (char *) (local_got_refcounts
+ symtab_hdr
->sh_info
);
1533 if (r_type
!= R_SPARC_GOTDATA_OP_HIX22
1534 && r_type
!= R_SPARC_GOTDATA_OP_LOX10
)
1535 local_got_refcounts
[r_symndx
] += 1;
1538 = _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
];
1541 /* If a TLS symbol is accessed using IE at least once, there is no
1542 point in using the dynamic model for it. */
1543 if (old_tls_type
!= tls_type
)
1545 if (old_tls_type
== GOT_UNKNOWN
)
1547 else if (old_tls_type
== GOT_TLS_GD
&& tls_type
== GOT_TLS_IE
)
1549 else if (old_tls_type
== GOT_TLS_IE
&& tls_type
== GOT_TLS_GD
)
1550 tls_type
= old_tls_type
;
1554 /* xgettext:c-format */
1555 (_("%pB: `%s' accessed both as normal and thread local symbol"),
1556 abfd
, h
? h
->root
.root
.string
: "<local>");
1561 _bfd_sparc_elf_hash_entry (h
)->tls_type
= tls_type
;
1563 _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
] = tls_type
;
1568 && !_bfd_elf_create_got_section (htab
->elf
.dynobj
, info
))
1573 eh
->has_got_reloc
= 1;
1574 if (r_type
== R_SPARC_GOT10
1575 || r_type
== R_SPARC_GOT13
1576 || r_type
== R_SPARC_GOT22
)
1577 eh
->has_old_style_got_reloc
= 1;
1581 case R_SPARC_TLS_GD_CALL
:
1582 case R_SPARC_TLS_LDM_CALL
:
1583 if (bfd_link_executable (info
))
1586 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1587 h
= (struct elf_link_hash_entry
*)
1588 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
1590 BFD_ASSERT (h
!= NULL
);
1593 case R_SPARC_WPLT30
:
1596 case R_SPARC_HIPLT22
:
1597 case R_SPARC_LOPLT10
:
1598 case R_SPARC_PCPLT32
:
1599 case R_SPARC_PCPLT22
:
1600 case R_SPARC_PCPLT10
:
1601 /* This symbol requires a procedure linkage table entry.
1602 We actually build the entry in adjust_dynamic_symbol,
1603 because this might be a case of linking PIC code without
1604 linking in any dynamic objects, in which case we don't
1605 need to generate a procedure linkage table after all. */
1609 if (! ABI_64_P (abfd
))
1611 /* The Solaris native assembler will generate a WPLT30
1612 reloc for a local symbol if you assemble a call from
1613 one section to another when using -K pic. We treat
1615 if (r_type
== R_SPARC_PLT32
)
1619 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1620 else if (r_type
== R_SPARC_WPLT30
)
1623 /* It does not make sense to have a procedure linkage
1624 table entry for a local symbol. */
1625 bfd_set_error (bfd_error_bad_value
);
1631 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
1634 h
->plt
.refcount
+= 1;
1636 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1637 eh
->has_got_reloc
= 1;
1642 case R_SPARC_PC_HH22
:
1643 case R_SPARC_PC_HM10
:
1644 case R_SPARC_PC_LM22
:
1649 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1654 case R_SPARC_DISP16
:
1655 case R_SPARC_DISP32
:
1656 case R_SPARC_DISP64
:
1657 case R_SPARC_WDISP30
:
1658 case R_SPARC_WDISP22
:
1659 case R_SPARC_WDISP19
:
1660 case R_SPARC_WDISP16
:
1661 case R_SPARC_WDISP10
:
1691 if (eh
!= NULL
&& (sec
->flags
& SEC_CODE
) != 0)
1692 eh
->has_non_got_reloc
= 1;
1695 if (h
!= NULL
&& !bfd_link_pic (info
))
1697 /* We may need a .plt entry if the function this reloc
1698 refers to is in a shared lib. */
1699 h
->plt
.refcount
+= 1;
1702 /* If we are creating a shared library, and this is a reloc
1703 against a global symbol, or a non PC relative reloc
1704 against a local symbol, then we need to copy the reloc
1705 into the shared library. However, if we are linking with
1706 -Bsymbolic, we do not need to copy a reloc against a
1707 global symbol which is defined in an object we are
1708 including in the link (i.e., DEF_REGULAR is set). At
1709 this point we have not seen all the input files, so it is
1710 possible that DEF_REGULAR is not set now but will be set
1711 later (it is never cleared). In case of a weak definition,
1712 DEF_REGULAR may be cleared later by a strong definition in
1713 a shared library. We account for that possibility below by
1714 storing information in the relocs_copied field of the hash
1715 table entry. A similar situation occurs when creating
1716 shared libraries and symbol visibility changes render the
1719 If on the other hand, we are creating an executable, we
1720 may need to keep relocations for symbols satisfied by a
1721 dynamic library if we manage to avoid copy relocs for the
1723 if ((bfd_link_pic (info
)
1724 && (sec
->flags
& SEC_ALLOC
) != 0
1725 && (! _bfd_sparc_elf_howto_table
[r_type
].pc_relative
1727 && (! SYMBOLIC_BIND (info
, h
)
1728 || h
->root
.type
== bfd_link_hash_defweak
1729 || !h
->def_regular
))))
1730 || (!bfd_link_pic (info
)
1731 && (sec
->flags
& SEC_ALLOC
) != 0
1733 && (h
->root
.type
== bfd_link_hash_defweak
1734 || !h
->def_regular
))
1735 || (!bfd_link_pic (info
)
1737 && h
->type
== STT_GNU_IFUNC
))
1739 struct elf_dyn_relocs
*p
;
1740 struct elf_dyn_relocs
**head
;
1742 /* When creating a shared object, we must copy these
1743 relocs into the output file. We create a reloc
1744 section in dynobj and make room for the reloc. */
1747 sreloc
= _bfd_elf_make_dynamic_reloc_section
1748 (sec
, htab
->elf
.dynobj
, htab
->word_align_power
,
1749 abfd
, /*rela?*/ TRUE
);
1755 /* If this is a global symbol, we count the number of
1756 relocations we need for this symbol. */
1758 head
= &h
->dyn_relocs
;
1761 /* Track dynamic relocs needed for local syms too.
1762 We really need local syms available to do this
1767 BFD_ASSERT (isym
!= NULL
);
1768 s
= bfd_section_from_elf_index (abfd
, isym
->st_shndx
);
1772 vpp
= &elf_section_data (s
)->local_dynrel
;
1773 head
= (struct elf_dyn_relocs
**) vpp
;
1777 if (p
== NULL
|| p
->sec
!= sec
)
1779 size_t amt
= sizeof *p
;
1780 p
= ((struct elf_dyn_relocs
*)
1781 bfd_alloc (htab
->elf
.dynobj
, amt
));
1792 if (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
)
1798 case R_SPARC_GNU_VTINHERIT
:
1799 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
1803 case R_SPARC_GNU_VTENTRY
:
1804 if (!bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
1808 case R_SPARC_REGISTER
:
1809 /* Nothing to do. */
1821 _bfd_sparc_elf_gc_mark_hook (asection
*sec
,
1822 struct bfd_link_info
*info
,
1823 Elf_Internal_Rela
*rel
,
1824 struct elf_link_hash_entry
*h
,
1825 Elf_Internal_Sym
*sym
)
1828 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1830 case R_SPARC_GNU_VTINHERIT
:
1831 case R_SPARC_GNU_VTENTRY
:
1835 if (!bfd_link_executable (info
))
1837 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1839 case R_SPARC_TLS_GD_CALL
:
1840 case R_SPARC_TLS_LDM_CALL
:
1841 /* This reloc implicitly references __tls_get_addr. We know
1842 another reloc will reference the same symbol as the one
1843 on this reloc, so the real symbol and section will be
1844 gc marked when processing the other reloc. That lets
1845 us handle __tls_get_addr here. */
1846 h
= elf_link_hash_lookup (elf_hash_table (info
), "__tls_get_addr",
1847 FALSE
, FALSE
, TRUE
);
1848 BFD_ASSERT (h
!= NULL
);
1850 if (h
->is_weakalias
)
1851 weakdef (h
)->mark
= 1;
1856 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
1859 static Elf_Internal_Rela
*
1860 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela
*rel
,
1861 Elf_Internal_Rela
*relend
,
1864 while (rel
< relend
)
1866 if (rel
->r_offset
== offset
)
1873 /* Remove undefined weak symbol from the dynamic symbol table if it
1874 is resolved to 0. */
1877 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info
*info
,
1878 struct elf_link_hash_entry
*h
)
1880 if (h
->dynindx
!= -1
1881 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
,
1882 _bfd_sparc_elf_hash_entry (h
)))
1885 _bfd_elf_strtab_delref (elf_hash_table (info
)->dynstr
,
1891 /* Adjust a symbol defined by a dynamic object and referenced by a
1892 regular object. The current definition is in some section of the
1893 dynamic object, but we're not including those sections. We have to
1894 change the definition to something the rest of the link can
1898 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info
*info
,
1899 struct elf_link_hash_entry
*h
)
1901 struct _bfd_sparc_elf_link_hash_table
*htab
;
1904 htab
= _bfd_sparc_elf_hash_table (info
);
1905 BFD_ASSERT (htab
!= NULL
);
1907 /* Make sure we know what is going on here. */
1908 BFD_ASSERT (htab
->elf
.dynobj
!= NULL
1910 || h
->type
== STT_GNU_IFUNC
1914 && !h
->def_regular
)));
1916 /* If this is a function, put it in the procedure linkage table. We
1917 will fill in the contents of the procedure linkage table later
1918 (although we could actually do it here). The STT_NOTYPE
1919 condition is a hack specifically for the Oracle libraries
1920 delivered for Solaris; for some inexplicable reason, they define
1921 some of their functions as STT_NOTYPE when they really should be
1923 if (h
->type
== STT_FUNC
1924 || h
->type
== STT_GNU_IFUNC
1926 || (h
->type
== STT_NOTYPE
1927 && (h
->root
.type
== bfd_link_hash_defined
1928 || h
->root
.type
== bfd_link_hash_defweak
)
1929 && (h
->root
.u
.def
.section
->flags
& SEC_CODE
) != 0))
1931 if (h
->plt
.refcount
<= 0
1932 || (h
->type
!= STT_GNU_IFUNC
1933 && (SYMBOL_CALLS_LOCAL (info
, h
)
1934 || (h
->root
.type
== bfd_link_hash_undefweak
1935 && ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
))))
1937 /* This case can occur if we saw a WPLT30 reloc in an input
1938 file, but the symbol was never referred to by a dynamic
1939 object, or if all references were garbage collected. In
1940 such a case, we don't actually need to build a procedure
1941 linkage table, and we can just do a WDISP30 reloc instead. */
1942 h
->plt
.offset
= (bfd_vma
) -1;
1949 h
->plt
.offset
= (bfd_vma
) -1;
1951 /* If this is a weak symbol, and there is a real definition, the
1952 processor independent code will have arranged for us to see the
1953 real definition first, and we can just use the same value. */
1954 if (h
->is_weakalias
)
1956 struct elf_link_hash_entry
*def
= weakdef (h
);
1957 BFD_ASSERT (def
->root
.type
== bfd_link_hash_defined
);
1958 h
->root
.u
.def
.section
= def
->root
.u
.def
.section
;
1959 h
->root
.u
.def
.value
= def
->root
.u
.def
.value
;
1963 /* This is a reference to a symbol defined by a dynamic object which
1964 is not a function. */
1966 /* If we are creating a shared library, we must presume that the
1967 only references to the symbol are via the global offset table.
1968 For such cases we need not do anything here; the relocations will
1969 be handled correctly by relocate_section. */
1970 if (bfd_link_pic (info
))
1973 /* If there are no references to this symbol that do not use the
1974 GOT, we don't need to generate a copy reloc. */
1975 if (!h
->non_got_ref
)
1978 /* If -z nocopyreloc was given, we won't generate them either. */
1979 if (info
->nocopyreloc
)
1985 /* If we don't find any dynamic relocs in read-only sections, then
1986 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1987 if (!_bfd_elf_readonly_dynrelocs (h
))
1993 /* We must allocate the symbol in our .dynbss section, which will
1994 become part of the .bss section of the executable. There will be
1995 an entry for this symbol in the .dynsym section. The dynamic
1996 object will contain position independent code, so all references
1997 from the dynamic object to this symbol will go through the global
1998 offset table. The dynamic linker will use the .dynsym entry to
1999 determine the address it must put in the global offset table, so
2000 both the dynamic object and the regular object will refer to the
2001 same memory location for the variable. */
2003 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2004 to copy the initial value out of the dynamic object and into the
2005 runtime process image. We need to remember the offset into the
2006 .rel.bss section we are going to use. */
2007 if ((h
->root
.u
.def
.section
->flags
& SEC_READONLY
) != 0)
2009 s
= htab
->elf
.sdynrelro
;
2010 srel
= htab
->elf
.sreldynrelro
;
2014 s
= htab
->elf
.sdynbss
;
2015 srel
= htab
->elf
.srelbss
;
2017 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0 && h
->size
!= 0)
2019 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2023 return _bfd_elf_adjust_dynamic_copy (info
, h
, s
);
2026 /* Allocate space in .plt, .got and associated reloc sections for
2030 allocate_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2032 struct bfd_link_info
*info
;
2033 struct _bfd_sparc_elf_link_hash_table
*htab
;
2034 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2035 struct elf_dyn_relocs
*p
;
2036 bfd_boolean resolved_to_zero
;
2038 if (h
->root
.type
== bfd_link_hash_indirect
)
2041 info
= (struct bfd_link_info
*) inf
;
2042 htab
= _bfd_sparc_elf_hash_table (info
);
2043 BFD_ASSERT (htab
!= NULL
);
2045 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2046 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
2048 if ((htab
->elf
.dynamic_sections_created
2049 && h
->plt
.refcount
> 0)
2050 || (h
->type
== STT_GNU_IFUNC
2054 /* Undefined weak syms won't yet be marked as dynamic. */
2055 if (h
->root
.type
== bfd_link_hash_undefweak
2056 && !resolved_to_zero
2058 && !h
->forced_local
)
2060 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2064 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info
), h
)
2065 || (h
->type
== STT_GNU_IFUNC
2068 asection
*s
= htab
->elf
.splt
;
2073 /* Allocate room for the header. */
2076 s
->size
= htab
->plt_header_size
;
2078 /* Allocate space for the .rela.plt.unloaded relocations. */
2079 if (htab
->elf
.target_os
== is_vxworks
2080 && !bfd_link_pic (info
))
2081 htab
->srelplt2
->size
= sizeof (Elf32_External_Rela
) * 2;
2084 /* The procedure linkage table size is bounded by the magnitude
2085 of the offset we can describe in the entry. */
2086 if (s
->size
>= (SPARC_ELF_WORD_BYTES(htab
) == 8 ?
2087 (((bfd_vma
)1 << 31) << 1) : 0x400000))
2089 bfd_set_error (bfd_error_bad_value
);
2093 if (SPARC_ELF_WORD_BYTES(htab
) == 8
2094 && s
->size
>= PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
2096 bfd_vma off
= s
->size
- PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
;
2099 off
= (off
% (160 * PLT64_ENTRY_SIZE
)) / PLT64_ENTRY_SIZE
;
2101 h
->plt
.offset
= (s
->size
- (off
* 8));
2104 h
->plt
.offset
= s
->size
;
2106 /* If this symbol is not defined in a regular file, and we are
2107 not generating a shared library, then set the symbol to this
2108 location in the .plt. This is required to make function
2109 pointers compare as equal between the normal executable and
2110 the shared library. */
2111 if (! bfd_link_pic (info
)
2114 h
->root
.u
.def
.section
= s
;
2115 h
->root
.u
.def
.value
= h
->plt
.offset
;
2118 /* Make room for this entry. */
2119 s
->size
+= htab
->plt_entry_size
;
2121 /* There should be no PLT relocations against resolved undefined
2122 weak symbols in the executable. */
2123 if (!resolved_to_zero
)
2125 /* We also need to make an entry in the .rela.plt section. */
2126 if (s
== htab
->elf
.splt
)
2127 htab
->elf
.srelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2129 htab
->elf
.irelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2132 if (htab
->elf
.target_os
== is_vxworks
)
2134 /* Allocate space for the .got.plt entry. */
2135 htab
->elf
.sgotplt
->size
+= 4;
2137 /* ...and for the .rela.plt.unloaded relocations. */
2138 if (!bfd_link_pic (info
))
2139 htab
->srelplt2
->size
+= sizeof (Elf32_External_Rela
) * 3;
2144 h
->plt
.offset
= (bfd_vma
) -1;
2150 h
->plt
.offset
= (bfd_vma
) -1;
2154 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2155 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2156 if (h
->got
.refcount
> 0
2157 && bfd_link_executable (info
)
2159 && _bfd_sparc_elf_hash_entry(h
)->tls_type
== GOT_TLS_IE
)
2160 h
->got
.offset
= (bfd_vma
) -1;
2161 else if (h
->got
.refcount
> 0)
2165 int tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
2167 /* Undefined weak syms won't yet be marked as dynamic. */
2168 if (h
->root
.type
== bfd_link_hash_undefweak
2169 && !resolved_to_zero
2171 && !h
->forced_local
)
2173 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2178 h
->got
.offset
= s
->size
;
2179 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2180 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2181 if (tls_type
== GOT_TLS_GD
)
2182 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2183 dyn
= htab
->elf
.dynamic_sections_created
;
2184 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2185 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
2186 if ((tls_type
== GOT_TLS_GD
&& h
->dynindx
== -1)
2187 || tls_type
== GOT_TLS_IE
2188 || h
->type
== STT_GNU_IFUNC
)
2189 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2190 else if (tls_type
== GOT_TLS_GD
)
2191 htab
->elf
.srelgot
->size
+= 2 * SPARC_ELF_RELA_BYTES (htab
);
2192 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
, bfd_link_pic (info
), h
)
2193 /* Even if the symbol isn't dynamic, we may generate a
2194 reloc for the dynamic linker in PIC mode. */
2195 || (h
->dynindx
== -1
2197 && h
->root
.type
!= bfd_link_hash_undefweak
2198 && bfd_link_pic (info
)))
2199 /* No dynamic relocations are needed against resolved
2200 undefined weak symbols in an executable. */
2201 && !(h
->root
.type
== bfd_link_hash_undefweak
2202 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2203 || resolved_to_zero
)))
2204 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2207 h
->got
.offset
= (bfd_vma
) -1;
2209 if (h
->dyn_relocs
== NULL
)
2212 /* In the shared -Bsymbolic case, discard space allocated for
2213 dynamic pc-relative relocs against symbols which turn out to be
2214 defined in regular objects. For the normal shared case, discard
2215 space for pc-relative relocs that have become local due to symbol
2216 visibility changes. */
2218 if (bfd_link_pic (info
))
2220 if (SYMBOL_CALLS_LOCAL (info
, h
))
2222 struct elf_dyn_relocs
**pp
;
2224 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
; )
2226 p
->count
-= p
->pc_count
;
2235 if (htab
->elf
.target_os
== is_vxworks
)
2237 struct elf_dyn_relocs
**pp
;
2239 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
; )
2241 if (strcmp (p
->sec
->output_section
->name
, ".tls_vars") == 0)
2248 /* Also discard relocs on undefined weak syms with non-default
2249 visibility or in PIE. */
2250 if (h
->dyn_relocs
!= NULL
2251 && h
->root
.type
== bfd_link_hash_undefweak
)
2253 /* An undefined weak symbol is never
2254 bound locally in a shared library. */
2256 if (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2257 || resolved_to_zero
)
2261 /* Keep dynamic non-GOT/non-PLT relocation so that we
2262 can branch to 0 without PLT. */
2263 struct elf_dyn_relocs
**pp
;
2265 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
;)
2266 if (p
->pc_count
== 0)
2270 /* Remove other relocations. */
2271 p
->count
= p
->pc_count
;
2275 if (h
->dyn_relocs
!= NULL
)
2277 /* Make sure undefined weak symbols are output
2278 as dynamic symbols in PIEs for dynamic non-GOT
2279 non-PLT reloations. */
2280 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2285 h
->dyn_relocs
= NULL
;
2288 /* Make sure undefined weak symbols are output as a dynamic
2290 else if (h
->dynindx
== -1
2291 && !h
->forced_local
)
2293 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2300 /* For the non-shared case, discard space for relocs against
2301 symbols which turn out to need copy relocs or are not
2304 if ((!h
->non_got_ref
2305 || (h
->root
.type
== bfd_link_hash_undefweak
2306 && !resolved_to_zero
))
2309 || (htab
->elf
.dynamic_sections_created
2310 && (h
->root
.type
== bfd_link_hash_undefweak
2311 || h
->root
.type
== bfd_link_hash_undefined
))))
2313 /* Undefined weak syms won't yet be marked as dynamic. */
2314 if (h
->root
.type
== bfd_link_hash_undefweak
2315 && !resolved_to_zero
2317 && !h
->forced_local
)
2319 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2323 /* If that succeeded, we know we'll be keeping all the
2325 if (h
->dynindx
!= -1)
2329 h
->dyn_relocs
= NULL
;
2334 /* Finally, allocate space. */
2335 for (p
= h
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2337 asection
*sreloc
= elf_section_data (p
->sec
)->sreloc
;
2338 sreloc
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2344 /* Allocate space in .plt, .got and associated reloc sections for
2345 local dynamic relocs. */
2348 allocate_local_dynrelocs (void **slot
, void *inf
)
2350 struct elf_link_hash_entry
*h
2351 = (struct elf_link_hash_entry
*) *slot
;
2353 if (h
->type
!= STT_GNU_IFUNC
2357 || h
->root
.type
!= bfd_link_hash_defined
)
2360 return allocate_dynrelocs (h
, inf
);
2363 /* Return true if the dynamic symbol for a given section should be
2364 omitted when creating a shared library. */
2367 _bfd_sparc_elf_omit_section_dynsym (bfd
*output_bfd
,
2368 struct bfd_link_info
*info
,
2371 /* We keep the .got section symbol so that explicit relocations
2372 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2373 can be turned into relocations against the .got symbol. */
2374 if (strcmp (p
->name
, ".got") == 0)
2377 return _bfd_elf_omit_section_dynsym_default (output_bfd
, info
, p
);
2380 /* Set the sizes of the dynamic sections. */
2383 _bfd_sparc_elf_size_dynamic_sections (bfd
*output_bfd
,
2384 struct bfd_link_info
*info
)
2386 struct _bfd_sparc_elf_link_hash_table
*htab
;
2391 htab
= _bfd_sparc_elf_hash_table (info
);
2392 BFD_ASSERT (htab
!= NULL
);
2393 dynobj
= htab
->elf
.dynobj
;
2394 BFD_ASSERT (dynobj
!= NULL
);
2396 if (elf_hash_table (info
)->dynamic_sections_created
)
2398 /* Set the contents of the .interp section to the interpreter. */
2399 if (bfd_link_executable (info
) && !info
->nointerp
)
2401 s
= bfd_get_linker_section (dynobj
, ".interp");
2402 BFD_ASSERT (s
!= NULL
);
2403 s
->size
= htab
->dynamic_interpreter_size
;
2404 s
->contents
= (unsigned char *) htab
->dynamic_interpreter
;
2409 /* Set up .got offsets for local syms, and space for local dynamic
2411 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2413 bfd_signed_vma
*local_got
;
2414 bfd_signed_vma
*end_local_got
;
2415 char *local_tls_type
;
2416 bfd_size_type locsymcount
;
2417 Elf_Internal_Shdr
*symtab_hdr
;
2420 if (! is_sparc_elf (ibfd
))
2423 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2425 struct elf_dyn_relocs
*p
;
2427 for (p
= elf_section_data (s
)->local_dynrel
; p
!= NULL
; p
= p
->next
)
2429 if (!bfd_is_abs_section (p
->sec
)
2430 && bfd_is_abs_section (p
->sec
->output_section
))
2432 /* Input section has been discarded, either because
2433 it is a copy of a linkonce section or due to
2434 linker script /DISCARD/, so we'll be discarding
2437 else if (htab
->elf
.target_os
== is_vxworks
2438 && strcmp (p
->sec
->output_section
->name
,
2441 /* Relocations in vxworks .tls_vars sections are
2442 handled specially by the loader. */
2444 else if (p
->count
!= 0)
2446 srel
= elf_section_data (p
->sec
)->sreloc
;
2447 if (!htab
->elf
.dynamic_sections_created
)
2448 srel
= htab
->elf
.irelplt
;
2449 srel
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2450 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2452 info
->flags
|= DF_TEXTREL
;
2453 info
->callbacks
->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2454 p
->sec
->owner
, p
->sec
);
2460 local_got
= elf_local_got_refcounts (ibfd
);
2464 symtab_hdr
= &elf_symtab_hdr (ibfd
);
2465 locsymcount
= symtab_hdr
->sh_info
;
2466 end_local_got
= local_got
+ locsymcount
;
2467 local_tls_type
= _bfd_sparc_elf_local_got_tls_type (ibfd
);
2469 srel
= htab
->elf
.srelgot
;
2470 for (; local_got
< end_local_got
; ++local_got
, ++local_tls_type
)
2474 *local_got
= s
->size
;
2475 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2476 if (*local_tls_type
== GOT_TLS_GD
)
2477 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2478 if (bfd_link_pic (info
)
2479 || *local_tls_type
== GOT_TLS_GD
2480 || *local_tls_type
== GOT_TLS_IE
)
2481 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2484 *local_got
= (bfd_vma
) -1;
2488 if (htab
->tls_ldm_got
.refcount
> 0)
2490 /* Allocate 2 got entries and 1 dynamic reloc for
2491 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2492 htab
->tls_ldm_got
.offset
= htab
->elf
.sgot
->size
;
2493 htab
->elf
.sgot
->size
+= (2 * SPARC_ELF_WORD_BYTES (htab
));
2494 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2497 htab
->tls_ldm_got
.offset
= -1;
2499 /* Allocate global sym .plt and .got entries, and space for global
2500 sym dynamic relocs. */
2501 elf_link_hash_traverse (&htab
->elf
, allocate_dynrelocs
, info
);
2503 /* Allocate .plt and .got entries, and space for local symbols. */
2504 htab_traverse (htab
->loc_hash_table
, allocate_local_dynrelocs
, info
);
2506 if (! ABI_64_P (output_bfd
)
2507 && htab
->elf
.target_os
!= is_vxworks
2508 && elf_hash_table (info
)->dynamic_sections_created
)
2510 /* Make space for the trailing nop in .plt. */
2511 if (htab
->elf
.splt
->size
> 0)
2512 htab
->elf
.splt
->size
+= 1 * SPARC_INSN_BYTES
;
2514 /* If the .got section is more than 0x1000 bytes, we add
2515 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2516 bit relocations have a greater chance of working.
2518 FIXME: Make this optimization work for 64-bit too. */
2519 if (htab
->elf
.sgot
->size
>= 0x1000
2520 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
2521 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
2524 /* The check_relocs and adjust_dynamic_symbol entry points have
2525 determined the sizes of the various dynamic sections. Allocate
2527 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2529 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2532 if (s
== htab
->elf
.splt
2533 || s
== htab
->elf
.sgot
2534 || s
== htab
->elf
.sdynbss
2535 || s
== htab
->elf
.sdynrelro
2536 || s
== htab
->elf
.iplt
2537 || s
== htab
->elf
.sgotplt
)
2539 /* Strip this section if we don't need it; see the
2542 else if (CONST_STRNEQ (s
->name
, ".rela"))
2546 /* We use the reloc_count field as a counter if we need
2547 to copy relocs into the output file. */
2553 /* It's not one of our sections. */
2559 /* If we don't need this section, strip it from the
2560 output file. This is mostly to handle .rela.bss and
2561 .rela.plt. We must create both sections in
2562 create_dynamic_sections, because they must be created
2563 before the linker maps input sections to output
2564 sections. The linker does that before
2565 adjust_dynamic_symbol is called, and it is that
2566 function which decides whether anything needs to go
2567 into these sections. */
2568 s
->flags
|= SEC_EXCLUDE
;
2572 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2575 /* Allocate memory for the section contents. Zero the memory
2576 for the benefit of .rela.plt, which has 4 unused entries
2577 at the beginning, and we don't want garbage. */
2578 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
2579 if (s
->contents
== NULL
)
2583 if (elf_hash_table (info
)->dynamic_sections_created
)
2585 /* Add some entries to the .dynamic section. We fill in the
2586 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2587 must add the entries now so that we get the correct size for
2588 the .dynamic section. The DT_DEBUG entry is filled in by the
2589 dynamic linker and used by the debugger. */
2590 #define add_dynamic_entry(TAG, VAL) \
2591 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2593 if (!_bfd_elf_maybe_vxworks_add_dynamic_tags (output_bfd
, info
,
2597 if (ABI_64_P (output_bfd
))
2600 struct _bfd_sparc_elf_app_reg
* app_regs
;
2601 struct elf_strtab_hash
*dynstr
;
2602 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
2604 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2605 entries if needed. */
2606 app_regs
= _bfd_sparc_elf_hash_table (info
)->app_regs
;
2607 dynstr
= eht
->dynstr
;
2609 for (reg
= 0; reg
< 4; reg
++)
2610 if (app_regs
[reg
].name
!= NULL
)
2612 struct elf_link_local_dynamic_entry
*entry
, *e
;
2614 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
2617 entry
= (struct elf_link_local_dynamic_entry
*)
2618 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
2622 /* We cheat here a little bit: the symbol will not be local, so we
2623 put it at the end of the dynlocal linked list. We will fix it
2624 later on, as we have to fix other fields anyway. */
2625 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
2626 entry
->isym
.st_size
= 0;
2627 if (*app_regs
[reg
].name
!= '\0')
2629 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
2631 entry
->isym
.st_name
= 0;
2632 entry
->isym
.st_other
= 0;
2633 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
2635 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
2636 entry
->isym
.st_target_internal
= 0;
2638 entry
->input_bfd
= output_bfd
;
2639 entry
->input_indx
= -1;
2641 if (eht
->dynlocal
== NULL
)
2642 eht
->dynlocal
= entry
;
2645 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
2653 #undef add_dynamic_entry
2659 _bfd_sparc_elf_new_section_hook (bfd
*abfd
, asection
*sec
)
2661 if (!sec
->used_by_bfd
)
2663 struct _bfd_sparc_elf_section_data
*sdata
;
2664 size_t amt
= sizeof (*sdata
);
2666 sdata
= bfd_zalloc (abfd
, amt
);
2669 sec
->used_by_bfd
= sdata
;
2672 return _bfd_elf_new_section_hook (abfd
, sec
);
2676 _bfd_sparc_elf_relax_section (bfd
*abfd ATTRIBUTE_UNUSED
,
2677 struct bfd_section
*section
,
2678 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
,
2681 if (bfd_link_relocatable (link_info
))
2682 (*link_info
->callbacks
->einfo
)
2683 (_("%P%F: --relax and -r may not be used together\n"));
2686 sec_do_relax (section
) = 1;
2690 /* Return the base VMA address which should be subtracted from real addresses
2691 when resolving @dtpoff relocation.
2692 This is PT_TLS segment p_vaddr. */
2695 dtpoff_base (struct bfd_link_info
*info
)
2697 /* If tls_sec is NULL, we should have signalled an error already. */
2698 if (elf_hash_table (info
)->tls_sec
== NULL
)
2700 return elf_hash_table (info
)->tls_sec
->vma
;
2703 /* Return the relocation value for @tpoff relocation
2704 if STT_TLS virtual address is ADDRESS. */
2707 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
2709 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2710 const struct elf_backend_data
*bed
= get_elf_backend_data (info
->output_bfd
);
2711 bfd_vma static_tls_size
;
2713 /* If tls_sec is NULL, we should have signalled an error already. */
2714 if (htab
->tls_sec
== NULL
)
2717 /* Consider special static TLS alignment requirements. */
2718 static_tls_size
= BFD_ALIGN (htab
->tls_size
, bed
->static_tls_alignment
);
2719 return address
- static_tls_size
- htab
->tls_sec
->vma
;
2722 /* Return the relocation value for a %gdop relocation. */
2725 gdopoff (struct bfd_link_info
*info
, bfd_vma address
)
2727 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2730 got_base
= (htab
->hgot
->root
.u
.def
.value
2731 + htab
->hgot
->root
.u
.def
.section
->output_offset
2732 + htab
->hgot
->root
.u
.def
.section
->output_section
->vma
);
2734 return address
- got_base
;
2737 /* Return whether H is local and its ADDRESS is within 4G of
2738 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2739 sethi, xor sequence. */
2742 gdop_relative_offset_ok (struct bfd_link_info
*info
,
2743 struct elf_link_hash_entry
*h
,
2744 bfd_vma address ATTRIBUTE_UNUSED
)
2746 if (!SYMBOL_REFERENCES_LOCAL (info
, h
))
2748 /* If H is undefined, ADDRESS will be zero. We can't allow a
2749 relative offset to "zero" when producing PIEs or shared libs.
2750 Note that to get here with an undefined symbol it must also be
2751 hidden or internal visibility. */
2752 if (bfd_link_pic (info
)
2754 && (h
->root
.type
== bfd_link_hash_undefweak
2755 || h
->root
.type
== bfd_link_hash_undefined
))
2758 return gdopoff (info
, address
) + ((bfd_vma
) 1 << 32) < (bfd_vma
) 2 << 32;
2764 /* Relocate a SPARC ELF section. */
2767 _bfd_sparc_elf_relocate_section (bfd
*output_bfd
,
2768 struct bfd_link_info
*info
,
2770 asection
*input_section
,
2772 Elf_Internal_Rela
*relocs
,
2773 Elf_Internal_Sym
*local_syms
,
2774 asection
**local_sections
)
2776 struct _bfd_sparc_elf_link_hash_table
*htab
;
2777 Elf_Internal_Shdr
*symtab_hdr
;
2778 struct elf_link_hash_entry
**sym_hashes
;
2779 bfd_vma
*local_got_offsets
;
2782 Elf_Internal_Rela
*rel
;
2783 Elf_Internal_Rela
*relend
;
2785 bfd_boolean is_vxworks_tls
;
2787 htab
= _bfd_sparc_elf_hash_table (info
);
2788 BFD_ASSERT (htab
!= NULL
);
2789 symtab_hdr
= &elf_symtab_hdr (input_bfd
);
2790 sym_hashes
= elf_sym_hashes (input_bfd
);
2791 local_got_offsets
= elf_local_got_offsets (input_bfd
);
2793 if (elf_hash_table (info
)->hgot
== NULL
)
2796 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
2798 sreloc
= elf_section_data (input_section
)->sreloc
;
2799 /* We have to handle relocations in vxworks .tls_vars sections
2800 specially, because the dynamic loader is 'weird'. */
2801 is_vxworks_tls
= (htab
->elf
.target_os
== is_vxworks
2802 && bfd_link_pic (info
)
2803 && !strcmp (input_section
->output_section
->name
,
2807 if (ABI_64_P (output_bfd
))
2808 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section
));
2810 num_relocs
= input_section
->reloc_count
;
2811 relend
= relocs
+ num_relocs
;
2812 for (; rel
< relend
; rel
++)
2814 int r_type
, tls_type
;
2815 reloc_howto_type
*howto
;
2816 unsigned long r_symndx
;
2817 struct elf_link_hash_entry
*h
;
2818 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2819 Elf_Internal_Sym
*sym
;
2821 bfd_vma relocation
, off
;
2822 bfd_reloc_status_type r
;
2823 bfd_boolean is_plt
= FALSE
;
2824 bfd_boolean unresolved_reloc
;
2825 bfd_boolean resolved_to_zero
;
2826 bfd_boolean relative_reloc
;
2828 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
2829 if (r_type
== R_SPARC_GNU_VTINHERIT
2830 || r_type
== R_SPARC_GNU_VTENTRY
)
2833 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
2835 bfd_set_error (bfd_error_bad_value
);
2839 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2840 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
2844 unresolved_reloc
= FALSE
;
2845 if (r_symndx
< symtab_hdr
->sh_info
)
2847 sym
= local_syms
+ r_symndx
;
2848 sec
= local_sections
[r_symndx
];
2849 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
2851 if (!bfd_link_relocatable (info
)
2852 && ELF_ST_TYPE (sym
->st_info
) == STT_GNU_IFUNC
)
2854 /* Relocate against local STT_GNU_IFUNC symbol. */
2855 h
= elf_sparc_get_local_sym_hash (htab
, input_bfd
,
2860 /* Set STT_GNU_IFUNC symbol value. */
2861 h
->root
.u
.def
.value
= sym
->st_value
;
2862 h
->root
.u
.def
.section
= sec
;
2867 bfd_boolean warned
, ignored
;
2869 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
2870 r_symndx
, symtab_hdr
, sym_hashes
,
2872 unresolved_reloc
, warned
, ignored
);
2875 /* To avoid generating warning messages about truncated
2876 relocations, set the relocation's address to be the same as
2877 the start of this section. */
2878 if (input_section
->output_section
!= NULL
)
2879 relocation
= input_section
->output_section
->vma
;
2885 if (sec
!= NULL
&& discarded_section (sec
))
2886 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
2887 rel
, 1, relend
, howto
, 0, contents
);
2889 if (bfd_link_relocatable (info
))
2893 && h
->type
== STT_GNU_IFUNC
2899 if ((input_section
->flags
& SEC_ALLOC
) == 0
2900 || h
->plt
.offset
== (bfd_vma
) -1)
2902 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
2903 STT_GNU_IFUNC symbol as STT_FUNC. */
2904 if (elf_section_type (input_section
) == SHT_NOTE
)
2909 plt_sec
= htab
->elf
.splt
;
2911 plt_sec
=htab
->elf
.iplt
;
2915 case R_SPARC_GOTDATA_OP
:
2918 case R_SPARC_GOTDATA_OP_HIX22
:
2919 case R_SPARC_GOTDATA_OP_LOX10
:
2920 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
2923 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2929 if (htab
->elf
.sgot
== NULL
)
2931 off
= h
->got
.offset
;
2932 if (off
== (bfd_vma
) -1)
2934 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
2937 case R_SPARC_WPLT30
:
2938 case R_SPARC_WDISP30
:
2939 relocation
= (plt_sec
->output_section
->vma
2940 + plt_sec
->output_offset
+ h
->plt
.offset
);
2945 if (bfd_link_pic (info
) && h
->non_got_ref
)
2947 Elf_Internal_Rela outrel
;
2950 offset
= _bfd_elf_section_offset (output_bfd
, info
,
2953 if (offset
== (bfd_vma
) -1
2954 || offset
== (bfd_vma
) -2)
2957 outrel
.r_offset
= (input_section
->output_section
->vma
2958 + input_section
->output_offset
2961 if (h
->dynindx
== -1
2963 || bfd_link_executable (info
))
2965 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
2966 0, R_SPARC_IRELATIVE
);
2967 outrel
.r_addend
= relocation
+ rel
->r_addend
;
2971 if (h
->dynindx
== -1)
2973 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
2974 outrel
.r_addend
= rel
->r_addend
;
2977 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
2981 relocation
= (plt_sec
->output_section
->vma
2982 + plt_sec
->output_offset
+ h
->plt
.offset
);
2987 /* We should only see such relocs in static links. */
2988 if (bfd_link_pic (info
))
2990 relocation
= (plt_sec
->output_section
->vma
2991 + plt_sec
->output_offset
+ h
->plt
.offset
);
2995 if (h
->root
.root
.string
)
2996 name
= h
->root
.root
.string
;
2998 name
= bfd_elf_sym_name (input_bfd
, symtab_hdr
, sym
,
3001 /* xgettext:c-format */
3002 (_("%pB: relocation %s against STT_GNU_IFUNC "
3003 "symbol `%s' isn't handled by %s"), input_bfd
,
3004 _bfd_sparc_elf_howto_table
[r_type
].name
,
3005 name
, __FUNCTION__
);
3006 bfd_set_error (bfd_error_bad_value
);
3012 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
3013 resolved_to_zero
= eh
&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
3017 case R_SPARC_GOTDATA_OP_HIX22
:
3018 case R_SPARC_GOTDATA_OP_LOX10
:
3019 if (gdop_relative_offset_ok (info
, h
, relocation
))
3021 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3022 ? R_SPARC_GOTDATA_HIX22
3023 : R_SPARC_GOTDATA_LOX10
);
3024 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3028 case R_SPARC_GOTDATA_OP
:
3029 if (gdop_relative_offset_ok (info
, h
, relocation
))
3031 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3033 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3034 relocation
= 0x80000000 | (insn
& 0x3e07c01f);
3035 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3037 /* If the symbol is global but not dynamic, an .rela.* slot has
3038 been allocated for it in the GOT so output R_SPARC_NONE here,
3039 if it isn't also subject to another, old-style GOT relocation.
3040 See also the handling of these GOT relocations just below. */
3044 && h
->root
.type
!= bfd_link_hash_undefweak
3045 && !eh
->has_old_style_got_reloc
3046 && (h
->got
.offset
& 1) == 0
3047 && bfd_link_pic (info
))
3049 asection
*s
= htab
->elf
.srelgot
;
3050 Elf_Internal_Rela outrel
;
3052 BFD_ASSERT (s
!= NULL
);
3054 memset (&outrel
, 0, sizeof outrel
);
3055 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3064 case R_SPARC_GOTDATA_HIX22
:
3065 case R_SPARC_GOTDATA_LOX10
:
3066 relocation
= gdopoff (info
, relocation
);
3069 case R_SPARC_GOTDATA_OP_HIX22
:
3070 case R_SPARC_GOTDATA_OP_LOX10
:
3074 /* Relocation is to the entry for this symbol in the global
3076 if (htab
->elf
.sgot
== NULL
)
3079 relative_reloc
= FALSE
;
3084 off
= h
->got
.offset
;
3085 BFD_ASSERT (off
!= (bfd_vma
) -1);
3086 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
3088 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
3089 bfd_link_pic (info
),
3091 || (bfd_link_pic (info
)
3092 && SYMBOL_REFERENCES_LOCAL (info
, h
)))
3094 /* This is actually a static link, or it is a
3095 -Bsymbolic link and the symbol is defined
3096 locally, or the symbol was forced to be local
3097 because of a version file. We must initialize
3098 this entry in the global offset table. Since the
3099 offset must always be a multiple of 8 for 64-bit
3100 and 4 for 32-bit, we use the least significant bit
3101 to record whether we have initialized it already.
3103 When doing a dynamic link, we create a .rela.got
3104 relocation entry to initialize the value. This
3105 is done in the finish_dynamic_symbol routine. */
3110 /* If this symbol isn't dynamic in PIC mode, treat it
3111 like a local symbol in PIC mode below. */
3112 if (h
->dynindx
== -1
3114 && h
->root
.type
!= bfd_link_hash_undefweak
3115 && bfd_link_pic (info
))
3116 relative_reloc
= TRUE
;
3118 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3119 htab
->elf
.sgot
->contents
+ off
);
3124 unresolved_reloc
= FALSE
;
3128 BFD_ASSERT (local_got_offsets
!= NULL
3129 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
3131 off
= local_got_offsets
[r_symndx
];
3133 /* The offset must always be a multiple of 8 on 64-bit and
3134 4 on 32-bit. We use the least significant bit to record
3135 whether we have already processed this entry. */
3140 /* For a local symbol in PIC mode, we need to generate a
3141 R_SPARC_RELATIVE reloc for the dynamic linker. */
3142 if (bfd_link_pic (info
))
3143 relative_reloc
= TRUE
;
3145 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3146 htab
->elf
.sgot
->contents
+ off
);
3147 local_got_offsets
[r_symndx
] |= 1;
3153 asection
*s
= htab
->elf
.srelgot
;
3154 Elf_Internal_Rela outrel
;
3156 BFD_ASSERT (s
!= NULL
);
3158 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3159 + htab
->elf
.sgot
->output_offset
3161 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3162 0, R_SPARC_RELATIVE
);
3163 outrel
.r_addend
= relocation
;
3164 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3165 /* Versions of glibc ld.so at least up to 2.26 wrongly
3166 add the section contents to the value calculated for
3167 a RELATIVE reloc. Zero the contents to work around
3170 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3171 htab
->elf
.sgot
->contents
+ off
);
3174 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3179 if (h
== NULL
|| h
->plt
.offset
== (bfd_vma
) -1)
3181 r_type
= (r_type
== R_SPARC_PLT32
) ? R_SPARC_32
: R_SPARC_64
;
3186 case R_SPARC_WPLT30
:
3187 case R_SPARC_HIPLT22
:
3188 case R_SPARC_LOPLT10
:
3189 case R_SPARC_PCPLT32
:
3190 case R_SPARC_PCPLT22
:
3191 case R_SPARC_PCPLT10
:
3193 /* Relocation is to the entry for this symbol in the
3194 procedure linkage table. */
3196 if (! ABI_64_P (output_bfd
))
3198 /* The Solaris native assembler will generate a WPLT30 reloc
3199 for a local symbol if you assemble a call from one
3200 section to another when using -K pic. We treat it as
3205 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3206 else if (r_type
== R_SPARC_WPLT30
&& h
== NULL
)
3210 BFD_ASSERT (h
!= NULL
);
3213 if (h
->plt
.offset
== (bfd_vma
) -1 || htab
->elf
.splt
== NULL
)
3215 /* We didn't make a PLT entry for this symbol. This
3216 happens when statically linking PIC code, or when
3217 using -Bsymbolic. */
3221 relocation
= (htab
->elf
.splt
->output_section
->vma
3222 + htab
->elf
.splt
->output_offset
3224 unresolved_reloc
= FALSE
;
3225 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
3227 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
3235 case R_SPARC_PC_HH22
:
3236 case R_SPARC_PC_HM10
:
3237 case R_SPARC_PC_LM22
:
3239 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
3243 case R_SPARC_DISP16
:
3244 case R_SPARC_DISP32
:
3245 case R_SPARC_DISP64
:
3246 case R_SPARC_WDISP30
:
3247 case R_SPARC_WDISP22
:
3248 case R_SPARC_WDISP19
:
3249 case R_SPARC_WDISP16
:
3250 case R_SPARC_WDISP10
:
3278 if ((input_section
->flags
& SEC_ALLOC
) == 0 || is_vxworks_tls
)
3281 /* Copy dynamic function pointer relocations. Don't generate
3282 dynamic relocations against resolved undefined weak symbols
3284 if ((bfd_link_pic (info
)
3286 || !(h
->root
.type
== bfd_link_hash_undefweak
3287 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
3288 || resolved_to_zero
)))
3289 && (! howto
->pc_relative
3290 || !SYMBOL_CALLS_LOCAL (info
, h
)))
3291 || (!bfd_link_pic (info
)
3297 || (h
->root
.type
== bfd_link_hash_undefweak
3298 && !resolved_to_zero
)
3299 || h
->root
.type
== bfd_link_hash_undefined
)))
3301 Elf_Internal_Rela outrel
;
3302 bfd_boolean skip
, relocate
= FALSE
;
3304 /* When generating a shared object, these relocations
3305 are copied into the output file to be resolved at run
3308 BFD_ASSERT (sreloc
!= NULL
);
3313 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3315 if (outrel
.r_offset
== (bfd_vma
) -1)
3317 else if (outrel
.r_offset
== (bfd_vma
) -2)
3318 skip
= TRUE
, relocate
= TRUE
;
3319 outrel
.r_offset
+= (input_section
->output_section
->vma
3320 + input_section
->output_offset
);
3322 /* Optimize unaligned reloc usage now that we know where
3323 it finally resides. */
3327 if (outrel
.r_offset
& 1)
3328 r_type
= R_SPARC_UA16
;
3331 if (!(outrel
.r_offset
& 1))
3332 r_type
= R_SPARC_16
;
3335 if (outrel
.r_offset
& 3)
3336 r_type
= R_SPARC_UA32
;
3339 if (!(outrel
.r_offset
& 3))
3340 r_type
= R_SPARC_32
;
3343 if (outrel
.r_offset
& 7)
3344 r_type
= R_SPARC_UA64
;
3347 if (!(outrel
.r_offset
& 7))
3348 r_type
= R_SPARC_64
;
3351 case R_SPARC_DISP16
:
3352 case R_SPARC_DISP32
:
3353 case R_SPARC_DISP64
:
3354 /* If the symbol is not dynamic, we should not keep
3355 a dynamic relocation. But an .rela.* slot has been
3356 allocated for it, output R_SPARC_NONE.
3357 FIXME: Add code tracking needed dynamic relocs as
3359 if (h
->dynindx
== -1)
3360 skip
= TRUE
, relocate
= TRUE
;
3365 memset (&outrel
, 0, sizeof outrel
);
3366 /* h->dynindx may be -1 if the symbol was marked to
3370 && (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
3371 || !bfd_link_pic (info
)
3372 || !SYMBOLIC_BIND (info
, h
)
3373 || !h
->def_regular
))
3375 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3376 outrel
.r_addend
= rel
->r_addend
;
3380 if ( (!ABI_64_P (output_bfd
) && r_type
== R_SPARC_32
)
3381 || (ABI_64_P (output_bfd
) && r_type
== R_SPARC_64
))
3383 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3384 0, R_SPARC_RELATIVE
);
3385 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3391 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3394 sec
= htab
->elf
.splt
;
3396 if (bfd_is_abs_section (sec
))
3398 else if (sec
== NULL
|| sec
->owner
== NULL
)
3400 bfd_set_error (bfd_error_bad_value
);
3407 /* We are turning this relocation into one
3408 against a section symbol. It would be
3409 proper to subtract the symbol's value,
3410 osec->vma, from the emitted reloc addend,
3411 but ld.so expects buggy relocs. */
3412 osec
= sec
->output_section
;
3413 indx
= elf_section_data (osec
)->dynindx
;
3417 osec
= htab
->elf
.text_index_section
;
3418 indx
= elf_section_data (osec
)->dynindx
;
3421 /* FIXME: we really should be able to link non-pic
3422 shared libraries. */
3427 (_("%pB: probably compiled without -fPIC?"),
3429 bfd_set_error (bfd_error_bad_value
);
3434 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, indx
,
3439 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3441 /* This reloc will be computed at runtime, so there's no
3442 need to do anything now. */
3448 case R_SPARC_TLS_GD_HI22
:
3449 case R_SPARC_TLS_GD_LO10
:
3450 case R_SPARC_TLS_IE_HI22
:
3451 case R_SPARC_TLS_IE_LO10
:
3452 r_type
= sparc_elf_tls_transition (info
, input_bfd
, r_type
,
3453 h
== NULL
|| h
->dynindx
== -1);
3454 if (r_type
== R_SPARC_REV32
)
3457 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3458 else if (local_got_offsets
)
3459 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3461 tls_type
= GOT_UNKNOWN
;
3462 if (tls_type
== GOT_TLS_IE
)
3465 case R_SPARC_TLS_GD_HI22
:
3466 r_type
= R_SPARC_TLS_IE_HI22
;
3468 case R_SPARC_TLS_GD_LO10
:
3469 r_type
= R_SPARC_TLS_IE_LO10
;
3473 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3475 relocation
= tpoff (info
, relocation
);
3478 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3480 /* Change add into xor. */
3481 relocation
= tpoff (info
, relocation
);
3482 bfd_put_32 (output_bfd
, (bfd_get_32 (input_bfd
,
3483 contents
+ rel
->r_offset
)
3484 | 0x80182000), contents
+ rel
->r_offset
);
3490 off
= h
->got
.offset
;
3495 BFD_ASSERT (local_got_offsets
!= NULL
);
3496 off
= local_got_offsets
[r_symndx
];
3497 local_got_offsets
[r_symndx
] |= 1;
3501 if (htab
->elf
.sgot
== NULL
)
3508 Elf_Internal_Rela outrel
;
3511 if (htab
->elf
.srelgot
== NULL
)
3514 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3515 htab
->elf
.sgot
->contents
+ off
);
3516 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3517 + htab
->elf
.sgot
->output_offset
+ off
);
3518 indx
= h
&& h
->dynindx
!= -1 ? h
->dynindx
: 0;
3519 if (r_type
== R_SPARC_TLS_IE_HI22
3520 || r_type
== R_SPARC_TLS_IE_LO10
)
3521 dr_type
= SPARC_ELF_TPOFF_RELOC (htab
);
3523 dr_type
= SPARC_ELF_DTPMOD_RELOC (htab
);
3524 if (dr_type
== SPARC_ELF_TPOFF_RELOC (htab
) && indx
== 0)
3525 outrel
.r_addend
= relocation
- dtpoff_base (info
);
3527 outrel
.r_addend
= 0;
3528 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
, dr_type
);
3529 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
, &outrel
);
3531 if (r_type
== R_SPARC_TLS_GD_HI22
3532 || r_type
== R_SPARC_TLS_GD_LO10
)
3536 BFD_ASSERT (! unresolved_reloc
);
3537 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
3538 relocation
- dtpoff_base (info
),
3539 (htab
->elf
.sgot
->contents
+ off
3540 + SPARC_ELF_WORD_BYTES (htab
)));
3544 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3545 (htab
->elf
.sgot
->contents
+ off
3546 + SPARC_ELF_WORD_BYTES (htab
)));
3547 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
,
3548 SPARC_ELF_DTPOFF_RELOC (htab
));
3549 outrel
.r_offset
+= SPARC_ELF_WORD_BYTES (htab
);
3550 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
,
3554 else if (dr_type
== SPARC_ELF_DTPMOD_RELOC (htab
))
3556 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3557 (htab
->elf
.sgot
->contents
+ off
3558 + SPARC_ELF_WORD_BYTES (htab
)));
3562 if (off
>= (bfd_vma
) -2)
3565 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3566 unresolved_reloc
= FALSE
;
3567 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3570 case R_SPARC_TLS_LDM_HI22
:
3571 case R_SPARC_TLS_LDM_LO10
:
3573 if (bfd_link_executable (info
))
3575 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3578 off
= htab
->tls_ldm_got
.offset
;
3579 htab
->tls_ldm_got
.offset
|= 1;
3580 goto r_sparc_tlsldm
;
3582 case R_SPARC_TLS_LDO_HIX22
:
3583 case R_SPARC_TLS_LDO_LOX10
:
3585 if (bfd_link_executable (info
))
3587 if (r_type
== R_SPARC_TLS_LDO_HIX22
)
3588 r_type
= R_SPARC_TLS_LE_HIX22
;
3590 r_type
= R_SPARC_TLS_LE_LOX10
;
3594 relocation
-= dtpoff_base (info
);
3599 case R_SPARC_TLS_LE_HIX22
:
3600 case R_SPARC_TLS_LE_LOX10
:
3601 if (!bfd_link_executable (info
))
3603 Elf_Internal_Rela outrel
;
3605 = _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3607 if (offset
== (bfd_vma
) -1 || offset
== (bfd_vma
) -2)
3608 memset (&outrel
, 0, sizeof outrel
);
3611 outrel
.r_offset
= offset
3612 + input_section
->output_section
->vma
3613 + input_section
->output_offset
;
3614 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, r_type
);
3616 = relocation
- dtpoff_base (info
) + rel
->r_addend
;
3619 BFD_ASSERT (sreloc
!= NULL
);
3620 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3623 relocation
= tpoff (info
, relocation
);
3626 case R_SPARC_TLS_LDM_CALL
:
3628 if (bfd_link_executable (info
))
3631 bfd_put_32 (output_bfd
, 0x90100000, contents
+ rel
->r_offset
);
3636 case R_SPARC_TLS_GD_CALL
:
3638 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3639 else if (local_got_offsets
)
3640 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3642 tls_type
= GOT_UNKNOWN
;
3643 /* GD -> IE or LE */
3644 if (bfd_link_executable (info
)
3645 || (r_type
== R_SPARC_TLS_GD_CALL
&& tls_type
== GOT_TLS_IE
))
3647 Elf_Internal_Rela
*rel2
;
3651 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3653 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3658 if (rel
+ 1 < relend
3659 && SPARC_ELF_R_TYPE (rel
[1].r_info
) == R_SPARC_TLS_GD_ADD
3660 && rel
[1].r_offset
== rel
->r_offset
+ 4
3661 && SPARC_ELF_R_SYMNDX (htab
, rel
[1].r_info
) == r_symndx
3662 && (((insn
= bfd_get_32 (input_bfd
,
3663 contents
+ rel
[1].r_offset
))
3664 >> 25) & 0x1f) == 8)
3667 call __tls_get_addr, %tgd_call(foo)
3668 add %reg1, %reg2, %o0, %tgd_add(foo)
3669 and change it into IE:
3670 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3671 add %g7, %o0, %o0, %tie_add(foo).
3672 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3673 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3674 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3675 bfd_put_32 (output_bfd
, insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000),
3676 contents
+ rel
->r_offset
);
3677 bfd_put_32 (output_bfd
, 0x9001c008,
3678 contents
+ rel
->r_offset
+ 4);
3683 /* We cannot just overwrite the delay slot instruction,
3684 as it might be what puts the %o0 argument to
3685 __tls_get_addr into place. So we have to transpose
3686 the delay slot with the add we patch in. */
3687 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3688 bfd_put_32 (output_bfd
, insn
,
3689 contents
+ rel
->r_offset
);
3690 bfd_put_32 (output_bfd
, 0x9001c008,
3691 contents
+ rel
->r_offset
+ 4);
3694 while ((rel2
= sparc_elf_find_reloc_at_ofs (rel2
+ 1, relend
,
3698 /* If the instruction we moved has a relocation attached to
3699 it, adjust the offset so that it will apply to the correct
3701 rel2
->r_offset
-= 4;
3706 h
= (struct elf_link_hash_entry
*)
3707 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
3709 BFD_ASSERT (h
!= NULL
);
3710 r_type
= R_SPARC_WPLT30
;
3711 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3712 goto r_sparc_wplt30
;
3714 case R_SPARC_TLS_GD_ADD
:
3716 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3717 else if (local_got_offsets
)
3718 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3720 tls_type
= GOT_UNKNOWN
;
3721 /* GD -> IE or LE */
3722 if (bfd_link_executable (info
) || tls_type
== GOT_TLS_IE
)
3724 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3726 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3728 add %g7, %reg2, %reg3. */
3729 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3730 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3731 relocation
= (insn
& ~0x7c000) | 0x1c000;
3733 relocation
= insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000);
3734 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3738 case R_SPARC_TLS_LDM_ADD
:
3740 if (bfd_link_executable (info
))
3741 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3744 case R_SPARC_TLS_LDO_ADD
:
3746 if (bfd_link_executable (info
))
3748 /* Change rs1 into %g7. */
3749 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3750 insn
= (insn
& ~0x7c000) | 0x1c000;
3751 bfd_put_32 (output_bfd
, insn
, contents
+ rel
->r_offset
);
3755 case R_SPARC_TLS_IE_LD
:
3756 case R_SPARC_TLS_IE_LDX
:
3758 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3760 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3761 int rs2
= insn
& 0x1f;
3762 int rd
= (insn
>> 25) & 0x1f;
3765 relocation
= SPARC_NOP
;
3767 relocation
= 0x80100000 | (insn
& 0x3e00001f);
3768 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3772 case R_SPARC_TLS_IE_ADD
:
3773 /* Totally useless relocation. */
3776 case R_SPARC_TLS_DTPOFF32
:
3777 case R_SPARC_TLS_DTPOFF64
:
3778 relocation
-= dtpoff_base (info
);
3785 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3786 because such sections are not SEC_ALLOC and thus ld.so will
3787 not process them. */
3788 if (unresolved_reloc
3789 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
3791 && _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3792 rel
->r_offset
) != (bfd_vma
) -1)
3794 /* xgettext:c-format */
3795 (_("%pB(%pA+%#" PRIx64
"): "
3796 "unresolvable %s relocation against symbol `%s'"),
3799 (uint64_t) rel
->r_offset
,
3801 h
->root
.root
.string
);
3803 r
= bfd_reloc_continue
;
3804 if (r_type
== R_SPARC_OLO10
)
3808 if (! ABI_64_P (output_bfd
))
3811 relocation
+= rel
->r_addend
;
3812 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
3814 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3815 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
3816 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3818 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3819 howto
->bitsize
, howto
->rightshift
,
3820 bfd_arch_bits_per_address (input_bfd
),
3823 else if (r_type
== R_SPARC_WDISP16
)
3827 relocation
+= rel
->r_addend
;
3828 relocation
-= (input_section
->output_section
->vma
3829 + input_section
->output_offset
);
3830 relocation
-= rel
->r_offset
;
3832 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3833 x
|= ((((relocation
>> 2) & 0xc000) << 6)
3834 | ((relocation
>> 2) & 0x3fff));
3835 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3837 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3838 howto
->bitsize
, howto
->rightshift
,
3839 bfd_arch_bits_per_address (input_bfd
),
3842 else if (r_type
== R_SPARC_WDISP10
)
3846 relocation
+= rel
->r_addend
;
3847 relocation
-= (input_section
->output_section
->vma
3848 + input_section
->output_offset
);
3849 relocation
-= rel
->r_offset
;
3851 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3852 x
|= ((((relocation
>> 2) & 0x300) << 11)
3853 | (((relocation
>> 2) & 0xff) << 5));
3854 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3856 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3857 howto
->bitsize
, howto
->rightshift
,
3858 bfd_arch_bits_per_address (input_bfd
),
3861 else if (r_type
== R_SPARC_REV32
)
3865 relocation
= relocation
+ rel
->r_addend
;
3867 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3869 bfd_putl32 (/*input_bfd,*/ x
, contents
+ rel
->r_offset
);
3872 else if (r_type
== R_SPARC_TLS_LDO_HIX22
3873 || r_type
== R_SPARC_TLS_LE_HIX22
)
3877 relocation
+= rel
->r_addend
;
3878 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3879 relocation
^= MINUS_ONE
;
3881 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3882 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3883 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3886 else if (r_type
== R_SPARC_TLS_LDO_LOX10
3887 || r_type
== R_SPARC_TLS_LE_LOX10
)
3891 relocation
+= rel
->r_addend
;
3892 relocation
&= 0x3ff;
3893 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3894 relocation
|= 0x1c00;
3896 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3897 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
3898 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3902 else if (r_type
== R_SPARC_HIX22
3903 || r_type
== R_SPARC_GOTDATA_HIX22
3904 || r_type
== R_SPARC_GOTDATA_OP_HIX22
)
3908 relocation
+= rel
->r_addend
;
3909 if (r_type
== R_SPARC_HIX22
3910 || (bfd_signed_vma
) relocation
< 0)
3911 relocation
= relocation
^ MINUS_ONE
;
3913 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3914 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3915 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3917 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3918 howto
->bitsize
, howto
->rightshift
,
3919 bfd_arch_bits_per_address (input_bfd
),
3922 else if (r_type
== R_SPARC_LOX10
3923 || r_type
== R_SPARC_GOTDATA_LOX10
3924 || r_type
== R_SPARC_GOTDATA_OP_LOX10
)
3928 relocation
+= rel
->r_addend
;
3929 if (r_type
== R_SPARC_LOX10
3930 || (bfd_signed_vma
) relocation
< 0)
3931 relocation
= (relocation
& 0x3ff) | 0x1c00;
3933 relocation
= (relocation
& 0x3ff);
3935 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3936 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
3937 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3941 else if ((r_type
== R_SPARC_WDISP30
|| r_type
== R_SPARC_WPLT30
)
3942 && sec_do_relax (input_section
)
3943 && rel
->r_offset
+ 4 < input_section
->size
)
3947 #define XCC (2 << 20)
3948 #define COND(x) (((x)&0xf)<<25)
3949 #define CONDA COND(0x8)
3950 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
3951 #define INSN_BA (F2(0,2) | CONDA)
3952 #define INSN_OR F3(2, 0x2, 0)
3953 #define INSN_NOP F2(0,4)
3957 /* If the instruction is a call with either:
3959 arithmetic instruction with rd == %o7
3960 where rs1 != %o7 and rs2 if it is register != %o7
3961 then we can optimize if the call destination is near
3962 by changing the call into a branch always. */
3963 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3964 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3965 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
3967 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
3968 || ((y
& OP3(0x28)) == 0 /* arithmetic */
3969 && (y
& RD(~0)) == RD(O7
)))
3970 && (y
& RS1(~0)) != RS1(O7
)
3972 || (y
& RS2(~0)) != RS2(O7
)))
3976 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
3977 reloc
-= (input_section
->output_section
->vma
3978 + input_section
->output_offset
);
3980 /* Ensure the branch fits into simm22. */
3981 if ((reloc
& 3) == 0
3982 && ((reloc
& ~(bfd_vma
)0x7fffff) == 0
3983 || ((reloc
| 0x7fffff) == ~(bfd_vma
)0)))
3987 /* Check whether it fits into simm19. */
3988 if (((reloc
& 0x3c0000) == 0
3989 || (reloc
& 0x3c0000) == 0x3c0000)
3990 && (ABI_64_P (output_bfd
)
3991 || elf_elfheader (output_bfd
)->e_flags
& EF_SPARC_32PLUS
))
3992 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
3994 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
3995 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3997 if (rel
->r_offset
>= 4
3998 && (y
& (0xffffffff ^ RS1(~0)))
3999 == (INSN_OR
| RD(O7
) | RS2(G0
)))
4004 z
= bfd_get_32 (input_bfd
,
4005 contents
+ rel
->r_offset
- 4);
4006 if ((z
& (0xffffffff ^ RD(~0)))
4007 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
4015 If call foo was replaced with ba, replace
4016 or %rN, %g0, %o7 with nop. */
4018 reg
= (y
& RS1(~0)) >> 14;
4019 if (reg
!= ((z
& RD(~0)) >> 25)
4020 || reg
== G0
|| reg
== O7
)
4023 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
4024 contents
+ rel
->r_offset
+ 4);
4032 if (r
== bfd_reloc_continue
)
4035 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
4036 contents
, rel
->r_offset
,
4037 relocation
, rel
->r_addend
);
4039 if (r
!= bfd_reloc_ok
)
4044 case bfd_reloc_outofrange
:
4046 case bfd_reloc_overflow
:
4050 /* The Solaris native linker silently disregards overflows.
4051 We don't, but this breaks stabs debugging info, whose
4052 relocations are only 32-bits wide. Ignore overflows in
4053 this case and also for discarded entries. */
4054 if ((r_type
== R_SPARC_32
4055 || r_type
== R_SPARC_UA32
4056 || r_type
== R_SPARC_DISP32
)
4057 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
4058 && strcmp (bfd_section_name (input_section
),
4060 || _bfd_elf_section_offset (output_bfd
, info
,
4068 /* Assume this is a call protected by other code that
4069 detect the symbol is undefined. If this is the case,
4070 we can safely ignore the overflow. If not, the
4071 program is hosed anyway, and a little warning isn't
4073 if (h
->root
.type
== bfd_link_hash_undefweak
4074 && howto
->pc_relative
)
4081 name
= bfd_elf_string_from_elf_section (input_bfd
,
4082 symtab_hdr
->sh_link
,
4087 name
= bfd_section_name (sec
);
4089 (*info
->callbacks
->reloc_overflow
)
4090 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
4091 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
4101 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4102 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4103 is the offset of the associated .got.plt entry from
4104 _GLOBAL_OFFSET_TABLE_. */
4107 sparc_vxworks_build_plt_entry (bfd
*output_bfd
, struct bfd_link_info
*info
,
4108 bfd_vma plt_offset
, bfd_vma plt_index
,
4112 const bfd_vma
*plt_entry
;
4113 struct _bfd_sparc_elf_link_hash_table
*htab
;
4115 Elf_Internal_Rela rela
;
4117 htab
= _bfd_sparc_elf_hash_table (info
);
4118 BFD_ASSERT (htab
!= NULL
);
4120 if (bfd_link_pic (info
))
4122 plt_entry
= sparc_vxworks_shared_plt_entry
;
4127 plt_entry
= sparc_vxworks_exec_plt_entry
;
4128 got_base
= (htab
->elf
.hgot
->root
.u
.def
.value
4129 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4130 + htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
);
4133 /* Fill in the entry in the procedure linkage table. */
4134 bfd_put_32 (output_bfd
, plt_entry
[0] + ((got_base
+ got_offset
) >> 10),
4135 htab
->elf
.splt
->contents
+ plt_offset
);
4136 bfd_put_32 (output_bfd
, plt_entry
[1] + ((got_base
+ got_offset
) & 0x3ff),
4137 htab
->elf
.splt
->contents
+ plt_offset
+ 4);
4138 bfd_put_32 (output_bfd
, plt_entry
[2],
4139 htab
->elf
.splt
->contents
+ plt_offset
+ 8);
4140 bfd_put_32 (output_bfd
, plt_entry
[3],
4141 htab
->elf
.splt
->contents
+ plt_offset
+ 12);
4142 bfd_put_32 (output_bfd
, plt_entry
[4],
4143 htab
->elf
.splt
->contents
+ plt_offset
+ 16);
4144 bfd_put_32 (output_bfd
, plt_entry
[5] + (plt_index
>> 10),
4145 htab
->elf
.splt
->contents
+ plt_offset
+ 20);
4146 /* PC-relative displacement for a branch to the start of
4148 bfd_put_32 (output_bfd
, plt_entry
[6] + (((-plt_offset
- 24) >> 2)
4150 htab
->elf
.splt
->contents
+ plt_offset
+ 24);
4151 bfd_put_32 (output_bfd
, plt_entry
[7] + (plt_index
& 0x3ff),
4152 htab
->elf
.splt
->contents
+ plt_offset
+ 28);
4154 /* Fill in the .got.plt entry, pointing initially at the
4155 second half of the PLT entry. */
4156 BFD_ASSERT (htab
->elf
.sgotplt
!= NULL
);
4157 bfd_put_32 (output_bfd
,
4158 htab
->elf
.splt
->output_section
->vma
4159 + htab
->elf
.splt
->output_offset
4161 htab
->elf
.sgotplt
->contents
+ got_offset
);
4163 /* Add relocations to .rela.plt.unloaded. */
4164 if (!bfd_link_pic (info
))
4166 loc
= (htab
->srelplt2
->contents
4167 + (2 + 3 * plt_index
) * sizeof (Elf32_External_Rela
));
4169 /* Relocate the initial sethi. */
4170 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4171 + htab
->elf
.splt
->output_offset
4173 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4174 rela
.r_addend
= got_offset
;
4175 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4176 loc
+= sizeof (Elf32_External_Rela
);
4178 /* Likewise the following or. */
4180 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4181 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4182 loc
+= sizeof (Elf32_External_Rela
);
4184 /* Relocate the .got.plt entry. */
4185 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4186 + htab
->elf
.sgotplt
->output_offset
4188 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4189 rela
.r_addend
= plt_offset
+ 20;
4190 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4194 /* Finish up dynamic symbol handling. We set the contents of various
4195 dynamic sections here. */
4198 _bfd_sparc_elf_finish_dynamic_symbol (bfd
*output_bfd
,
4199 struct bfd_link_info
*info
,
4200 struct elf_link_hash_entry
*h
,
4201 Elf_Internal_Sym
*sym
)
4203 struct _bfd_sparc_elf_link_hash_table
*htab
;
4204 const struct elf_backend_data
*bed
;
4205 struct _bfd_sparc_elf_link_hash_entry
*eh
;
4206 bfd_boolean resolved_to_zero
;
4208 htab
= _bfd_sparc_elf_hash_table (info
);
4209 BFD_ASSERT (htab
!= NULL
);
4210 bed
= get_elf_backend_data (output_bfd
);
4212 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
4214 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4215 resolved undefined weak symbols in executable so that their
4216 references have value 0 at run-time. */
4217 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
4219 if (h
->plt
.offset
!= (bfd_vma
) -1)
4223 Elf_Internal_Rela rela
;
4225 bfd_vma r_offset
, got_offset
;
4228 /* When building a static executable, use .iplt and
4229 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4230 if (htab
->elf
.splt
!= NULL
)
4232 splt
= htab
->elf
.splt
;
4233 srela
= htab
->elf
.srelplt
;
4237 splt
= htab
->elf
.iplt
;
4238 srela
= htab
->elf
.irelplt
;
4241 if (splt
== NULL
|| srela
== NULL
)
4244 /* Fill in the entry in the .rela.plt section. */
4245 if (htab
->elf
.target_os
== is_vxworks
)
4247 /* Work out the index of this PLT entry. */
4248 rela_index
= ((h
->plt
.offset
- htab
->plt_header_size
)
4249 / htab
->plt_entry_size
);
4251 /* Calculate the offset of the associated .got.plt entry.
4252 The first three entries are reserved. */
4253 got_offset
= (rela_index
+ 3) * 4;
4255 sparc_vxworks_build_plt_entry (output_bfd
, info
, h
->plt
.offset
,
4256 rela_index
, got_offset
);
4259 /* On VxWorks, the relocation points to the .got.plt entry,
4260 not the .plt entry. */
4261 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4262 + htab
->elf
.sgotplt
->output_offset
4265 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4270 bfd_boolean ifunc
= FALSE
;
4272 /* Fill in the entry in the procedure linkage table. */
4273 rela_index
= SPARC_ELF_BUILD_PLT_ENTRY (htab
, output_bfd
, splt
,
4274 h
->plt
.offset
, splt
->size
,
4279 || ((bfd_link_executable (info
)
4280 || ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
4282 && h
->type
== STT_GNU_IFUNC
))
4285 BFD_ASSERT (h
== NULL
4286 || (h
->type
== STT_GNU_IFUNC
4288 && (h
->root
.type
== bfd_link_hash_defined
4289 || h
->root
.type
== bfd_link_hash_defweak
)));
4292 rela
.r_offset
= r_offset
4293 + (splt
->output_section
->vma
+ splt
->output_offset
);
4294 if (ABI_64_P (output_bfd
)
4295 && h
->plt
.offset
>= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
4299 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4300 + h
->root
.u
.def
.section
->output_offset
4301 + h
->root
.u
.def
.value
);
4302 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4307 rela
.r_addend
= (-(h
->plt
.offset
+ 4)
4308 - splt
->output_section
->vma
4309 - splt
->output_offset
);
4310 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4318 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4319 + h
->root
.u
.def
.section
->output_offset
4320 + h
->root
.u
.def
.value
);
4321 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4327 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4333 /* Adjust for the first 4 reserved elements in the .plt section
4334 when setting the offset in the .rela.plt section.
4335 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4336 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4338 loc
= srela
->contents
;
4339 loc
+= rela_index
* bed
->s
->sizeof_rela
;
4340 bed
->s
->swap_reloca_out (output_bfd
, &rela
, loc
);
4342 if (!resolved_to_zero
&& !h
->def_regular
)
4344 /* Mark the symbol as undefined, rather than as defined in
4345 the .plt section. Leave the value alone. */
4346 sym
->st_shndx
= SHN_UNDEF
;
4347 /* If the symbol is weak, we do need to clear the value.
4348 Otherwise, the PLT entry would provide a definition for
4349 the symbol even if the symbol wasn't defined anywhere,
4350 and so the symbol would never be NULL. */
4351 if (!h
->ref_regular_nonweak
)
4356 /* Don't generate dynamic GOT relocation against resolved undefined weak
4357 symbols in an executable. */
4358 if (h
->got
.offset
!= (bfd_vma
) -1
4359 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_GD
4360 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_IE
4361 && !(h
->root
.type
== bfd_link_hash_undefweak
4362 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
4363 || resolved_to_zero
)))
4367 Elf_Internal_Rela rela
;
4369 /* This symbol has an entry in the GOT. Set it up. */
4371 sgot
= htab
->elf
.sgot
;
4372 srela
= htab
->elf
.srelgot
;
4373 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
4375 rela
.r_offset
= (sgot
->output_section
->vma
4376 + sgot
->output_offset
4377 + (h
->got
.offset
&~ (bfd_vma
) 1));
4379 /* If this is a -Bsymbolic link, and the symbol is defined
4380 locally, we just want to emit a RELATIVE reloc. Likewise if
4381 the symbol was forced to be local because of a version file.
4382 The entry in the global offset table will already have been
4383 initialized in the relocate_section function. */
4384 if (! bfd_link_pic (info
)
4385 && h
->type
== STT_GNU_IFUNC
4390 /* We load the GOT entry with the PLT entry. */
4391 plt
= htab
->elf
.splt
? htab
->elf
.splt
: htab
->elf
.iplt
;
4392 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
4393 (plt
->output_section
->vma
4394 + plt
->output_offset
+ h
->plt
.offset
),
4395 htab
->elf
.sgot
->contents
4396 + (h
->got
.offset
& ~(bfd_vma
) 1));
4400 if (bfd_link_pic (info
) && SYMBOL_REFERENCES_LOCAL (info
, h
))
4402 asection
*sec
= h
->root
.u
.def
.section
;
4403 if (h
->type
== STT_GNU_IFUNC
)
4404 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_IRELATIVE
);
4406 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_RELATIVE
);
4407 rela
.r_addend
= (h
->root
.u
.def
.value
4408 + sec
->output_section
->vma
4409 + sec
->output_offset
);
4413 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_GLOB_DAT
);
4417 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
4418 sgot
->contents
+ (h
->got
.offset
& ~(bfd_vma
) 1));
4419 sparc_elf_append_rela (output_bfd
, srela
, &rela
);
4425 Elf_Internal_Rela rela
;
4427 /* This symbols needs a copy reloc. Set it up. */
4428 BFD_ASSERT (h
->dynindx
!= -1);
4430 rela
.r_offset
= (h
->root
.u
.def
.value
4431 + h
->root
.u
.def
.section
->output_section
->vma
4432 + h
->root
.u
.def
.section
->output_offset
);
4433 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_COPY
);
4435 if (h
->root
.u
.def
.section
== htab
->elf
.sdynrelro
)
4436 s
= htab
->elf
.sreldynrelro
;
4438 s
= htab
->elf
.srelbss
;
4439 sparc_elf_append_rela (output_bfd
, s
, &rela
);
4442 /* Mark some specially defined symbols as absolute. On VxWorks,
4443 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4444 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4446 && (h
== htab
->elf
.hdynamic
4447 || (htab
->elf
.target_os
!= is_vxworks
4448 && (h
== htab
->elf
.hgot
|| h
== htab
->elf
.hplt
))))
4449 sym
->st_shndx
= SHN_ABS
;
4454 /* Finish up the dynamic sections. */
4457 sparc_finish_dyn (bfd
*output_bfd
, struct bfd_link_info
*info
,
4458 bfd
*dynobj
, asection
*sdyn
,
4459 asection
*splt ATTRIBUTE_UNUSED
)
4461 struct _bfd_sparc_elf_link_hash_table
*htab
;
4462 const struct elf_backend_data
*bed
;
4463 bfd_byte
*dyncon
, *dynconend
;
4465 int stt_regidx
= -1;
4466 bfd_boolean abi_64_p
;
4468 htab
= _bfd_sparc_elf_hash_table (info
);
4469 BFD_ASSERT (htab
!= NULL
);
4470 bed
= get_elf_backend_data (output_bfd
);
4471 dynsize
= bed
->s
->sizeof_dyn
;
4472 dynconend
= sdyn
->contents
+ sdyn
->size
;
4473 abi_64_p
= ABI_64_P (output_bfd
);
4474 for (dyncon
= sdyn
->contents
; dyncon
< dynconend
; dyncon
+= dynsize
)
4476 Elf_Internal_Dyn dyn
;
4479 bed
->s
->swap_dyn_in (dynobj
, dyncon
, &dyn
);
4481 if (htab
->elf
.target_os
== is_vxworks
&& dyn
.d_tag
== DT_PLTGOT
)
4483 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4484 not to the start of the PLT. */
4485 if (htab
->elf
.sgotplt
)
4487 dyn
.d_un
.d_val
= (htab
->elf
.sgotplt
->output_section
->vma
4488 + htab
->elf
.sgotplt
->output_offset
);
4489 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4492 else if (htab
->elf
.target_os
== is_vxworks
4493 && elf_vxworks_finish_dynamic_entry (output_bfd
, &dyn
))
4494 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4495 else if (abi_64_p
&& dyn
.d_tag
== DT_SPARC_REGISTER
)
4497 if (stt_regidx
== -1)
4500 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
4501 if (stt_regidx
== -1)
4504 dyn
.d_un
.d_val
= stt_regidx
++;
4505 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4518 s
= htab
->elf
.srelplt
;
4522 s
= htab
->elf
.srelplt
;
4534 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4536 dyn
.d_un
.d_val
= s
->size
;
4538 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4544 /* Install the first PLT entry in a VxWorks executable and make sure that
4545 .rela.plt.unloaded relocations have the correct symbol indexes. */
4548 sparc_vxworks_finish_exec_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4550 struct _bfd_sparc_elf_link_hash_table
*htab
;
4551 Elf_Internal_Rela rela
;
4555 htab
= _bfd_sparc_elf_hash_table (info
);
4556 BFD_ASSERT (htab
!= NULL
);
4558 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4559 got_base
= (htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
4560 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4561 + htab
->elf
.hgot
->root
.u
.def
.value
);
4563 /* Install the initial PLT entry. */
4564 bfd_put_32 (output_bfd
,
4565 sparc_vxworks_exec_plt0_entry
[0] + ((got_base
+ 8) >> 10),
4566 htab
->elf
.splt
->contents
);
4567 bfd_put_32 (output_bfd
,
4568 sparc_vxworks_exec_plt0_entry
[1] + ((got_base
+ 8) & 0x3ff),
4569 htab
->elf
.splt
->contents
+ 4);
4570 bfd_put_32 (output_bfd
,
4571 sparc_vxworks_exec_plt0_entry
[2],
4572 htab
->elf
.splt
->contents
+ 8);
4573 bfd_put_32 (output_bfd
,
4574 sparc_vxworks_exec_plt0_entry
[3],
4575 htab
->elf
.splt
->contents
+ 12);
4576 bfd_put_32 (output_bfd
,
4577 sparc_vxworks_exec_plt0_entry
[4],
4578 htab
->elf
.splt
->contents
+ 16);
4580 loc
= htab
->srelplt2
->contents
;
4582 /* Add an unloaded relocation for the initial entry's "sethi". */
4583 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4584 + htab
->elf
.splt
->output_offset
);
4585 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4587 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4588 loc
+= sizeof (Elf32_External_Rela
);
4590 /* Likewise the following "or". */
4592 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4593 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4594 loc
+= sizeof (Elf32_External_Rela
);
4596 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4597 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4598 in which symbols were output. */
4599 while (loc
< htab
->srelplt2
->contents
+ htab
->srelplt2
->size
)
4601 Elf_Internal_Rela rel
;
4603 /* The entry's initial "sethi" (against _G_O_T_). */
4604 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4605 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4606 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4607 loc
+= sizeof (Elf32_External_Rela
);
4609 /* The following "or" (also against _G_O_T_). */
4610 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4611 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4612 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4613 loc
+= sizeof (Elf32_External_Rela
);
4615 /* The .got.plt entry (against _P_L_T_). */
4616 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4617 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4618 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4619 loc
+= sizeof (Elf32_External_Rela
);
4623 /* Install the first PLT entry in a VxWorks shared object. */
4626 sparc_vxworks_finish_shared_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4628 struct _bfd_sparc_elf_link_hash_table
*htab
;
4631 htab
= _bfd_sparc_elf_hash_table (info
);
4632 BFD_ASSERT (htab
!= NULL
);
4634 for (i
= 0; i
< ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
); i
++)
4635 bfd_put_32 (output_bfd
, sparc_vxworks_shared_plt0_entry
[i
],
4636 htab
->elf
.splt
->contents
+ i
* 4);
4639 /* Finish up local dynamic symbol handling. We set the contents of
4640 various dynamic sections here. */
4643 finish_local_dynamic_symbol (void **slot
, void *inf
)
4645 struct elf_link_hash_entry
*h
4646 = (struct elf_link_hash_entry
*) *slot
;
4647 struct bfd_link_info
*info
4648 = (struct bfd_link_info
*) inf
;
4650 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4654 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4655 here since undefined weak symbol may not be dynamic and may not be
4656 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4659 pie_finish_undefweak_symbol (struct bfd_hash_entry
*bh
,
4662 struct elf_link_hash_entry
*h
= (struct elf_link_hash_entry
*) bh
;
4663 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
4665 if (h
->root
.type
!= bfd_link_hash_undefweak
4666 || h
->dynindx
!= -1)
4669 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4674 _bfd_sparc_elf_finish_dynamic_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
4678 struct _bfd_sparc_elf_link_hash_table
*htab
;
4680 htab
= _bfd_sparc_elf_hash_table (info
);
4681 BFD_ASSERT (htab
!= NULL
);
4682 dynobj
= htab
->elf
.dynobj
;
4684 /* We arranged in size_dynamic_sections to put the STT_REGISTER
4685 entries at the end of the dynlocal list, so they came at the end
4686 of the local symbols in the symtab. Except that they aren't
4687 STB_LOCAL, so we need to back up symtab->sh_info. */
4688 if (ABI_64_P (output_bfd
)
4689 && elf_hash_table (info
)->dynlocal
)
4691 asection
*dynsymsec
= bfd_get_linker_section (dynobj
, ".dynsym");
4692 struct elf_link_local_dynamic_entry
*e
;
4694 for (e
= elf_hash_table (info
)->dynlocal
; e
; e
= e
->next
)
4695 if (e
->input_indx
== -1)
4698 elf_section_data (dynsymsec
->output_section
)->this_hdr
.sh_info
4702 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
4704 if (elf_hash_table (info
)->dynamic_sections_created
)
4708 splt
= htab
->elf
.splt
;
4709 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
4711 if (!sparc_finish_dyn (output_bfd
, info
, dynobj
, sdyn
, splt
))
4714 /* Initialize the contents of the .plt section. */
4717 if (htab
->elf
.target_os
== is_vxworks
)
4719 if (bfd_link_pic (info
))
4720 sparc_vxworks_finish_shared_plt (output_bfd
, info
);
4722 sparc_vxworks_finish_exec_plt (output_bfd
, info
);
4726 memset (splt
->contents
, 0, htab
->plt_header_size
);
4727 if (!ABI_64_P (output_bfd
))
4728 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
,
4729 splt
->contents
+ splt
->size
- 4);
4733 if (elf_section_data (splt
->output_section
) != NULL
)
4734 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
4735 = ((htab
->elf
.target_os
== is_vxworks
4736 || !ABI_64_P (output_bfd
))
4737 ? 0 : htab
->plt_entry_size
);
4740 /* Set the first entry in the global offset table to the address of
4741 the dynamic section. */
4742 if (htab
->elf
.sgot
&& htab
->elf
.sgot
->size
> 0)
4744 bfd_vma val
= (sdyn
?
4745 sdyn
->output_section
->vma
+ sdyn
->output_offset
:
4748 SPARC_ELF_PUT_WORD (htab
, output_bfd
, val
, htab
->elf
.sgot
->contents
);
4752 elf_section_data (htab
->elf
.sgot
->output_section
)->this_hdr
.sh_entsize
=
4753 SPARC_ELF_WORD_BYTES (htab
);
4755 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4756 htab_traverse (htab
->loc_hash_table
, finish_local_dynamic_symbol
, info
);
4758 /* Fill PLT entries for undefined weak symbols in PIE. */
4759 if (bfd_link_pie (info
))
4760 bfd_hash_traverse (&info
->hash
->table
,
4761 pie_finish_undefweak_symbol
,
4767 /* Set the right machine number for a SPARC ELF file. */
4770 _bfd_sparc_elf_object_p (bfd
*abfd
)
4772 obj_attribute
*attrs
= elf_known_obj_attributes (abfd
)[OBJ_ATTR_GNU
];
4773 obj_attribute
*hwcaps
= &attrs
[Tag_GNU_Sparc_HWCAPS
];
4774 obj_attribute
*hwcaps2
= &attrs
[Tag_GNU_Sparc_HWCAPS2
];
4776 unsigned int v9c_hwcaps_mask
= ELF_SPARC_HWCAP_ASI_BLK_INIT
;
4777 unsigned int v9d_hwcaps_mask
= (ELF_SPARC_HWCAP_FMAF
4778 | ELF_SPARC_HWCAP_VIS3
4779 | ELF_SPARC_HWCAP_HPC
);
4780 unsigned int v9e_hwcaps_mask
= (ELF_SPARC_HWCAP_AES
4781 | ELF_SPARC_HWCAP_DES
4782 | ELF_SPARC_HWCAP_KASUMI
4783 | ELF_SPARC_HWCAP_CAMELLIA
4784 | ELF_SPARC_HWCAP_MD5
4785 | ELF_SPARC_HWCAP_SHA1
4786 | ELF_SPARC_HWCAP_SHA256
4787 | ELF_SPARC_HWCAP_SHA512
4788 | ELF_SPARC_HWCAP_MPMUL
4789 | ELF_SPARC_HWCAP_MONT
4790 | ELF_SPARC_HWCAP_CRC32C
4791 | ELF_SPARC_HWCAP_CBCOND
4792 | ELF_SPARC_HWCAP_PAUSE
);
4793 unsigned int v9v_hwcaps_mask
= (ELF_SPARC_HWCAP_FJFMAU
4794 | ELF_SPARC_HWCAP_IMA
);
4795 unsigned int v9m_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC5
4796 | ELF_SPARC_HWCAP2_MWAIT
4797 | ELF_SPARC_HWCAP2_XMPMUL
4798 | ELF_SPARC_HWCAP2_XMONT
);
4799 unsigned int m8_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC6
4800 | ELF_SPARC_HWCAP2_ONADDSUB
4801 | ELF_SPARC_HWCAP2_ONMUL
4802 | ELF_SPARC_HWCAP2_ONDIV
4803 | ELF_SPARC_HWCAP2_DICTUNP
4804 | ELF_SPARC_HWCAP2_FPCMPSHL
4805 | ELF_SPARC_HWCAP2_RLE
4806 | ELF_SPARC_HWCAP2_SHA3
);
4808 if (ABI_64_P (abfd
))
4810 unsigned long mach
= bfd_mach_sparc_v9
;
4812 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4813 mach
= bfd_mach_sparc_v9m8
;
4814 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4815 mach
= bfd_mach_sparc_v9m
;
4816 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4817 mach
= bfd_mach_sparc_v9v
;
4818 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4819 mach
= bfd_mach_sparc_v9e
;
4820 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4821 mach
= bfd_mach_sparc_v9d
;
4822 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4823 mach
= bfd_mach_sparc_v9c
;
4824 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4825 mach
= bfd_mach_sparc_v9b
;
4826 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4827 mach
= bfd_mach_sparc_v9a
;
4828 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
4832 if (elf_elfheader (abfd
)->e_machine
== EM_SPARC32PLUS
)
4834 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4835 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4836 bfd_mach_sparc_v8plusm8
);
4837 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4838 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4839 bfd_mach_sparc_v8plusm
);
4840 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4841 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4842 bfd_mach_sparc_v8plusv
);
4843 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4844 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4845 bfd_mach_sparc_v8pluse
);
4846 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4847 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4848 bfd_mach_sparc_v8plusd
);
4849 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4850 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4851 bfd_mach_sparc_v8plusc
);
4852 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4853 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4854 bfd_mach_sparc_v8plusb
);
4855 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4856 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4857 bfd_mach_sparc_v8plusa
);
4858 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_32PLUS
)
4859 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4860 bfd_mach_sparc_v8plus
);
4864 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_LEDATA
)
4865 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4866 bfd_mach_sparc_sparclite_le
);
4868 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
4872 /* Return address for Ith PLT stub in section PLT, for relocation REL
4873 or (bfd_vma) -1 if it should not be included. */
4876 _bfd_sparc_elf_plt_sym_val (bfd_vma i
, const asection
*plt
, const arelent
*rel
)
4878 if (ABI_64_P (plt
->owner
))
4882 i
+= PLT64_HEADER_SIZE
/ PLT64_ENTRY_SIZE
;
4883 if (i
< PLT64_LARGE_THRESHOLD
)
4884 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
;
4886 j
= (i
- PLT64_LARGE_THRESHOLD
) % 160;
4888 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
+ j
* 4 * 6;
4891 return rel
->address
;
4894 /* Merge backend specific data from an object file to the output
4895 object file when linking. */
4898 _bfd_sparc_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
4900 bfd
*obfd
= info
->output_bfd
;
4901 obj_attribute
*in_attr
, *in_attrs
;
4902 obj_attribute
*out_attr
, *out_attrs
;
4904 if (!elf_known_obj_attributes_proc (obfd
)[0].i
)
4906 /* This is the first object. Copy the attributes. */
4907 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
4909 /* Use the Tag_null value to indicate the attributes have been
4911 elf_known_obj_attributes_proc (obfd
)[0].i
= 1;
4916 in_attrs
= elf_known_obj_attributes (ibfd
)[OBJ_ATTR_GNU
];
4917 out_attrs
= elf_known_obj_attributes (obfd
)[OBJ_ATTR_GNU
];
4919 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS
];
4920 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS
];
4922 out_attr
->i
|= in_attr
->i
;
4925 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4926 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4928 out_attr
->i
|= in_attr
->i
;
4931 /* Merge Tag_compatibility attributes and any common GNU ones. */
4932 _bfd_elf_merge_object_attributes (ibfd
, info
);