1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2018 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
55 void * data
, asection
*input_section
, bfd
*output_bfd
,
56 bfd_vma
*prelocation
, bfd_vma
*pinsn
)
59 reloc_howto_type
*howto
= reloc_entry
->howto
;
61 if (output_bfd
!= (bfd
*) NULL
62 && (symbol
->flags
& BSF_SECTION_SYM
) == 0
63 && (! howto
->partial_inplace
64 || reloc_entry
->addend
== 0))
66 reloc_entry
->address
+= input_section
->output_offset
;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd
!= NULL
)
72 return bfd_reloc_continue
;
74 if (reloc_entry
->address
> bfd_get_section_limit (abfd
, input_section
))
75 return bfd_reloc_outofrange
;
77 relocation
= (symbol
->value
78 + symbol
->section
->output_section
->vma
79 + symbol
->section
->output_offset
);
80 relocation
+= reloc_entry
->addend
;
81 if (howto
->pc_relative
)
83 relocation
-= (input_section
->output_section
->vma
84 + input_section
->output_offset
);
85 relocation
-= reloc_entry
->address
;
88 *prelocation
= relocation
;
89 *pinsn
= bfd_get_32 (abfd
, (bfd_byte
*) data
+ reloc_entry
->address
);
90 return bfd_reloc_other
;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd
*abfd ATTRIBUTE_UNUSED
,
97 arelent
*reloc_entry ATTRIBUTE_UNUSED
,
98 asymbol
*symbol ATTRIBUTE_UNUSED
,
99 void * data ATTRIBUTE_UNUSED
,
100 asection
*input_section ATTRIBUTE_UNUSED
,
101 bfd
*output_bfd ATTRIBUTE_UNUSED
,
102 char **error_message ATTRIBUTE_UNUSED
)
104 return bfd_reloc_notsupported
;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
111 void * data
, asection
*input_section
, bfd
*output_bfd
,
112 char **error_message ATTRIBUTE_UNUSED
)
116 bfd_reloc_status_type status
;
118 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
119 input_section
, output_bfd
, &relocation
, &insn
);
120 if (status
!= bfd_reloc_other
)
123 insn
&= ~ (bfd_vma
) 0x303fff;
124 insn
|= (((relocation
>> 2) & 0xc000) << 6) | ((relocation
>> 2) & 0x3fff);
125 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
127 if ((bfd_signed_vma
) relocation
< - 0x40000
128 || (bfd_signed_vma
) relocation
> 0x3ffff)
129 return bfd_reloc_overflow
;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
138 void * data
, asection
*input_section
, bfd
*output_bfd
,
139 char **error_message ATTRIBUTE_UNUSED
)
143 bfd_reloc_status_type status
;
145 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
146 input_section
, output_bfd
, &relocation
, &insn
);
147 if (status
!= bfd_reloc_other
)
150 insn
&= ~ (bfd_vma
) 0x181fe0;
151 insn
|= (((relocation
>> 2) & 0x300) << 11)
152 | (((relocation
>> 2) & 0xff) << 5);
153 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
155 if ((bfd_signed_vma
) relocation
< - 0x1000
156 || (bfd_signed_vma
) relocation
> 0xfff)
157 return bfd_reloc_overflow
;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
166 void * data
, asection
*input_section
, bfd
*output_bfd
,
167 char **error_message ATTRIBUTE_UNUSED
)
171 bfd_reloc_status_type status
;
173 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
174 input_section
, output_bfd
, &relocation
, &insn
);
175 if (status
!= bfd_reloc_other
)
178 relocation
^= MINUS_ONE
;
179 insn
= (insn
&~ (bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
180 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
182 if ((relocation
& ~ (bfd_vma
) 0xffffffff) != 0)
183 return bfd_reloc_overflow
;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
192 void * data
, asection
*input_section
, bfd
*output_bfd
,
193 char **error_message ATTRIBUTE_UNUSED
)
197 bfd_reloc_status_type status
;
199 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
200 input_section
, output_bfd
, &relocation
, &insn
);
201 if (status
!= bfd_reloc_other
)
204 insn
= (insn
&~ (bfd_vma
) 0x1fff) | 0x1c00 | (relocation
& 0x3ff);
205 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
210 static reloc_howto_type _bfd_sparc_elf_howto_table
[] =
212 HOWTO(R_SPARC_NONE
, 0,3, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_NONE", FALSE
,0,0x00000000,TRUE
),
213 HOWTO(R_SPARC_8
, 0,0, 8,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_8", FALSE
,0,0x000000ff,TRUE
),
214 HOWTO(R_SPARC_16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_16", FALSE
,0,0x0000ffff,TRUE
),
215 HOWTO(R_SPARC_32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_32", FALSE
,0,0xffffffff,TRUE
),
216 HOWTO(R_SPARC_DISP8
, 0,0, 8,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP8", FALSE
,0,0x000000ff,TRUE
),
217 HOWTO(R_SPARC_DISP16
, 0,1,16,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP16", FALSE
,0,0x0000ffff,TRUE
),
218 HOWTO(R_SPARC_DISP32
, 0,2,32,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP32", FALSE
,0,0xffffffff,TRUE
),
219 HOWTO(R_SPARC_WDISP30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP30", FALSE
,0,0x3fffffff,TRUE
),
220 HOWTO(R_SPARC_WDISP22
, 2,2,22,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP22", FALSE
,0,0x003fffff,TRUE
),
221 HOWTO(R_SPARC_HI22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HI22", FALSE
,0,0x003fffff,TRUE
),
222 HOWTO(R_SPARC_22
, 0,2,22,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_22", FALSE
,0,0x003fffff,TRUE
),
223 HOWTO(R_SPARC_13
, 0,2,13,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_13", FALSE
,0,0x00001fff,TRUE
),
224 HOWTO(R_SPARC_LO10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LO10", FALSE
,0,0x000003ff,TRUE
),
225 HOWTO(R_SPARC_GOT10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT10", FALSE
,0,0x000003ff,TRUE
),
226 HOWTO(R_SPARC_GOT13
, 0,2,13,FALSE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_GOT13", FALSE
,0,0x00001fff,TRUE
),
227 HOWTO(R_SPARC_GOT22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT22", FALSE
,0,0x003fffff,TRUE
),
228 HOWTO(R_SPARC_PC10
, 0,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC10", FALSE
,0,0x000003ff,TRUE
),
229 HOWTO(R_SPARC_PC22
, 10,2,22,TRUE
, 0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PC22", FALSE
,0,0x003fffff,TRUE
),
230 HOWTO(R_SPARC_WPLT30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WPLT30", FALSE
,0,0x3fffffff,TRUE
),
231 HOWTO(R_SPARC_COPY
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_COPY", FALSE
,0,0x00000000,TRUE
),
232 HOWTO(R_SPARC_GLOB_DAT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GLOB_DAT",FALSE
,0,0x00000000,TRUE
),
233 HOWTO(R_SPARC_JMP_SLOT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_JMP_SLOT",FALSE
,0,0x00000000,TRUE
),
234 HOWTO(R_SPARC_RELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_RELATIVE",FALSE
,0,0x00000000,TRUE
),
235 HOWTO(R_SPARC_UA32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA32", FALSE
,0,0xffffffff,TRUE
),
236 HOWTO(R_SPARC_PLT32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT32", FALSE
,0,0xffffffff,TRUE
),
237 HOWTO(R_SPARC_HIPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_HIPLT22", FALSE
,0,0x00000000,TRUE
),
238 HOWTO(R_SPARC_LOPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_LOPLT10", FALSE
,0,0x00000000,TRUE
),
239 HOWTO(R_SPARC_PCPLT32
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT32", FALSE
,0,0x00000000,TRUE
),
240 HOWTO(R_SPARC_PCPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT22", FALSE
,0,0x00000000,TRUE
),
241 HOWTO(R_SPARC_PCPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT10", FALSE
,0,0x00000000,TRUE
),
242 HOWTO(R_SPARC_10
, 0,2,10,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_10", FALSE
,0,0x000003ff,TRUE
),
243 HOWTO(R_SPARC_11
, 0,2,11,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_11", FALSE
,0,0x000007ff,TRUE
),
244 HOWTO(R_SPARC_64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_64", FALSE
,0,MINUS_ONE
, TRUE
),
245 HOWTO(R_SPARC_OLO10
, 0,2,13,FALSE
,0,complain_overflow_signed
, sparc_elf_notsup_reloc
, "R_SPARC_OLO10", FALSE
,0,0x00001fff,TRUE
),
246 HOWTO(R_SPARC_HH22
, 42,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_HH22", FALSE
,0,0x003fffff,TRUE
),
247 HOWTO(R_SPARC_HM10
, 32,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HM10", FALSE
,0,0x000003ff,TRUE
),
248 HOWTO(R_SPARC_LM22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LM22", FALSE
,0,0x003fffff,TRUE
),
249 HOWTO(R_SPARC_PC_HH22
, 42,2,22,TRUE
, 0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_PC_HH22", FALSE
,0,0x003fffff,TRUE
),
250 HOWTO(R_SPARC_PC_HM10
, 32,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_HM10", FALSE
,0,0x000003ff,TRUE
),
251 HOWTO(R_SPARC_PC_LM22
, 10,2,22,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_LM22", FALSE
,0,0x003fffff,TRUE
),
252 HOWTO(R_SPARC_WDISP16
, 2,2,16,TRUE
, 0,complain_overflow_signed
, sparc_elf_wdisp16_reloc
,"R_SPARC_WDISP16", FALSE
,0,0x00000000,TRUE
),
253 HOWTO(R_SPARC_WDISP19
, 2,2,19,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP19", FALSE
,0,0x0007ffff,TRUE
),
254 HOWTO(R_SPARC_UNUSED_42
, 0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_UNUSED_42",FALSE
,0,0x00000000,TRUE
),
255 HOWTO(R_SPARC_7
, 0,2, 7,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_7", FALSE
,0,0x0000007f,TRUE
),
256 HOWTO(R_SPARC_5
, 0,2, 5,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_5", FALSE
,0,0x0000001f,TRUE
),
257 HOWTO(R_SPARC_6
, 0,2, 6,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_6", FALSE
,0,0x0000003f,TRUE
),
258 HOWTO(R_SPARC_DISP64
, 0,4,64,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP64", FALSE
,0,MINUS_ONE
, TRUE
),
259 HOWTO(R_SPARC_PLT64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT64", FALSE
,0,MINUS_ONE
, TRUE
),
260 HOWTO(R_SPARC_HIX22
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_HIX22", FALSE
,0,MINUS_ONE
, FALSE
),
261 HOWTO(R_SPARC_LOX10
, 0,4, 0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_LOX10", FALSE
,0,MINUS_ONE
, FALSE
),
262 HOWTO(R_SPARC_H44
, 22,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_H44", FALSE
,0,0x003fffff,FALSE
),
263 HOWTO(R_SPARC_M44
, 12,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_M44", FALSE
,0,0x000003ff,FALSE
),
264 HOWTO(R_SPARC_L44
, 0,2,13,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_L44", FALSE
,0,0x00000fff,FALSE
),
265 HOWTO(R_SPARC_REGISTER
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_notsup_reloc
, "R_SPARC_REGISTER",FALSE
,0,MINUS_ONE
, FALSE
),
266 HOWTO(R_SPARC_UA64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA64", FALSE
,0,MINUS_ONE
, TRUE
),
267 HOWTO(R_SPARC_UA16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA16", FALSE
,0,0x0000ffff,TRUE
),
268 HOWTO(R_SPARC_TLS_GD_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_HI22",FALSE
,0,0x003fffff,TRUE
),
269 HOWTO(R_SPARC_TLS_GD_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_LO10",FALSE
,0,0x000003ff,TRUE
),
270 HOWTO(R_SPARC_TLS_GD_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_ADD",FALSE
,0,0x00000000,TRUE
),
271 HOWTO(R_SPARC_TLS_GD_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_CALL",FALSE
,0,0x3fffffff,TRUE
),
272 HOWTO(R_SPARC_TLS_LDM_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_HI22",FALSE
,0,0x003fffff,TRUE
),
273 HOWTO(R_SPARC_TLS_LDM_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_LO10",FALSE
,0,0x000003ff,TRUE
),
274 HOWTO(R_SPARC_TLS_LDM_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_ADD",FALSE
,0,0x00000000,TRUE
),
275 HOWTO(R_SPARC_TLS_LDM_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_CALL",FALSE
,0,0x3fffffff,TRUE
),
276 HOWTO(R_SPARC_TLS_LDO_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_TLS_LDO_HIX22",FALSE
,0,0x003fffff, FALSE
),
277 HOWTO(R_SPARC_TLS_LDO_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LDO_LOX10",FALSE
,0,0x000003ff, FALSE
),
278 HOWTO(R_SPARC_TLS_LDO_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDO_ADD",FALSE
,0,0x00000000,TRUE
),
279 HOWTO(R_SPARC_TLS_IE_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_HI22",FALSE
,0,0x003fffff,TRUE
),
280 HOWTO(R_SPARC_TLS_IE_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LO10",FALSE
,0,0x000003ff,TRUE
),
281 HOWTO(R_SPARC_TLS_IE_LD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LD",FALSE
,0,0x00000000,TRUE
),
282 HOWTO(R_SPARC_TLS_IE_LDX
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LDX",FALSE
,0,0x00000000,TRUE
),
283 HOWTO(R_SPARC_TLS_IE_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_ADD",FALSE
,0,0x00000000,TRUE
),
284 HOWTO(R_SPARC_TLS_LE_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_TLS_LE_HIX22",FALSE
,0,0x003fffff, FALSE
),
285 HOWTO(R_SPARC_TLS_LE_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LE_LOX10",FALSE
,0,0x000003ff, FALSE
),
286 HOWTO(R_SPARC_TLS_DTPMOD32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD32",FALSE
,0,0x00000000,TRUE
),
287 HOWTO(R_SPARC_TLS_DTPMOD64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD64",FALSE
,0,0x00000000,TRUE
),
288 HOWTO(R_SPARC_TLS_DTPOFF32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF32",FALSE
,0,0xffffffff,TRUE
),
289 HOWTO(R_SPARC_TLS_DTPOFF64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF64",FALSE
,0,MINUS_ONE
,TRUE
),
290 HOWTO(R_SPARC_TLS_TPOFF32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF32",FALSE
,0,0x00000000,TRUE
),
291 HOWTO(R_SPARC_TLS_TPOFF64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF64",FALSE
,0,0x00000000,TRUE
),
292 HOWTO(R_SPARC_GOTDATA_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_GOTDATA_HIX22",FALSE
,0,0x003fffff, FALSE
),
293 HOWTO(R_SPARC_GOTDATA_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_GOTDATA_LOX10",FALSE
,0,0x000003ff, FALSE
),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_GOTDATA_OP_HIX22",FALSE
,0,0x003fffff, FALSE
),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_GOTDATA_OP_LOX10",FALSE
,0,0x000003ff, FALSE
),
296 HOWTO(R_SPARC_GOTDATA_OP
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOTDATA_OP",FALSE
,0,0x00000000,TRUE
),
297 HOWTO(R_SPARC_H34
,12,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
,"R_SPARC_H34",FALSE
,0,0x003fffff,FALSE
),
298 HOWTO(R_SPARC_SIZE32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE32",FALSE
,0,0xffffffff,TRUE
),
299 HOWTO(R_SPARC_SIZE64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE64",FALSE
,0,MINUS_ONE
, TRUE
),
300 HOWTO(R_SPARC_WDISP10
,2,2,10,TRUE
, 0,complain_overflow_signed
,sparc_elf_wdisp10_reloc
,"R_SPARC_WDISP10",FALSE
,0,0x00000000,TRUE
),
302 static reloc_howto_type sparc_jmp_irel_howto
=
303 HOWTO(R_SPARC_JMP_IREL
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_JMP_IREL",FALSE
,0,0x00000000,TRUE
);
304 static reloc_howto_type sparc_irelative_howto
=
305 HOWTO(R_SPARC_IRELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_IRELATIVE",FALSE
,0,0x00000000,TRUE
);
306 static reloc_howto_type sparc_vtinherit_howto
=
307 HOWTO (R_SPARC_GNU_VTINHERIT
, 0,2,0,FALSE
,0,complain_overflow_dont
, NULL
, "R_SPARC_GNU_VTINHERIT", FALSE
,0, 0, FALSE
);
308 static reloc_howto_type sparc_vtentry_howto
=
309 HOWTO (R_SPARC_GNU_VTENTRY
, 0,2,0,FALSE
,0,complain_overflow_dont
, _bfd_elf_rel_vtable_reloc_fn
,"R_SPARC_GNU_VTENTRY", FALSE
,0,0, FALSE
);
310 static reloc_howto_type sparc_rev32_howto
=
311 HOWTO(R_SPARC_REV32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_REV32", FALSE
,0,0xffffffff,TRUE
);
314 _bfd_sparc_elf_reloc_type_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
315 bfd_reloc_code_real_type code
)
317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
322 return &_bfd_sparc_elf_howto_table
[R_SPARC_NONE
];
325 return &_bfd_sparc_elf_howto_table
[R_SPARC_8
];
328 return &_bfd_sparc_elf_howto_table
[R_SPARC_16
];
331 return &_bfd_sparc_elf_howto_table
[R_SPARC_32
];
333 case BFD_RELOC_8_PCREL
:
334 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP8
];
336 case BFD_RELOC_16_PCREL
:
337 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP16
];
339 case BFD_RELOC_32_PCREL
:
340 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP32
];
342 case BFD_RELOC_32_PCREL_S2
:
343 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP30
];
345 case BFD_RELOC_SPARC_WDISP22
:
346 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP22
];
349 return &_bfd_sparc_elf_howto_table
[R_SPARC_HI22
];
351 case BFD_RELOC_SPARC22
:
352 return &_bfd_sparc_elf_howto_table
[R_SPARC_22
];
354 case BFD_RELOC_SPARC13
:
355 return &_bfd_sparc_elf_howto_table
[R_SPARC_13
];
358 return &_bfd_sparc_elf_howto_table
[R_SPARC_LO10
];
360 case BFD_RELOC_SPARC_GOT10
:
361 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT10
];
363 case BFD_RELOC_SPARC_GOT13
:
364 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT13
];
366 case BFD_RELOC_SPARC_GOT22
:
367 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT22
];
369 case BFD_RELOC_SPARC_PC10
:
370 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC10
];
372 case BFD_RELOC_SPARC_PC22
:
373 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC22
];
375 case BFD_RELOC_SPARC_WPLT30
:
376 return &_bfd_sparc_elf_howto_table
[R_SPARC_WPLT30
];
378 case BFD_RELOC_SPARC_COPY
:
379 return &_bfd_sparc_elf_howto_table
[R_SPARC_COPY
];
381 case BFD_RELOC_SPARC_GLOB_DAT
:
382 return &_bfd_sparc_elf_howto_table
[R_SPARC_GLOB_DAT
];
384 case BFD_RELOC_SPARC_JMP_SLOT
:
385 return &_bfd_sparc_elf_howto_table
[R_SPARC_JMP_SLOT
];
387 case BFD_RELOC_SPARC_RELATIVE
:
388 return &_bfd_sparc_elf_howto_table
[R_SPARC_RELATIVE
];
390 case BFD_RELOC_SPARC_UA32
:
391 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA32
];
393 case BFD_RELOC_SPARC_PLT32
:
394 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT32
];
396 case BFD_RELOC_SPARC_10
:
397 return &_bfd_sparc_elf_howto_table
[R_SPARC_10
];
399 case BFD_RELOC_SPARC_11
:
400 return &_bfd_sparc_elf_howto_table
[R_SPARC_11
];
402 case BFD_RELOC_SPARC_64
:
403 return &_bfd_sparc_elf_howto_table
[R_SPARC_64
];
405 case BFD_RELOC_SPARC_OLO10
:
406 return &_bfd_sparc_elf_howto_table
[R_SPARC_OLO10
];
408 case BFD_RELOC_SPARC_HH22
:
409 return &_bfd_sparc_elf_howto_table
[R_SPARC_HH22
];
411 case BFD_RELOC_SPARC_HM10
:
412 return &_bfd_sparc_elf_howto_table
[R_SPARC_HM10
];
414 case BFD_RELOC_SPARC_LM22
:
415 return &_bfd_sparc_elf_howto_table
[R_SPARC_LM22
];
417 case BFD_RELOC_SPARC_PC_HH22
:
418 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HH22
];
420 case BFD_RELOC_SPARC_PC_HM10
:
421 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HM10
];
423 case BFD_RELOC_SPARC_PC_LM22
:
424 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_LM22
];
426 case BFD_RELOC_SPARC_WDISP16
:
427 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP16
];
429 case BFD_RELOC_SPARC_WDISP19
:
430 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP19
];
432 case BFD_RELOC_SPARC_7
:
433 return &_bfd_sparc_elf_howto_table
[R_SPARC_7
];
435 case BFD_RELOC_SPARC_5
:
436 return &_bfd_sparc_elf_howto_table
[R_SPARC_5
];
438 case BFD_RELOC_SPARC_6
:
439 return &_bfd_sparc_elf_howto_table
[R_SPARC_6
];
441 case BFD_RELOC_SPARC_DISP64
:
442 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP64
];
444 case BFD_RELOC_SPARC_PLT64
:
445 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT64
];
447 case BFD_RELOC_SPARC_HIX22
:
448 return &_bfd_sparc_elf_howto_table
[R_SPARC_HIX22
];
450 case BFD_RELOC_SPARC_LOX10
:
451 return &_bfd_sparc_elf_howto_table
[R_SPARC_LOX10
];
453 case BFD_RELOC_SPARC_H44
:
454 return &_bfd_sparc_elf_howto_table
[R_SPARC_H44
];
456 case BFD_RELOC_SPARC_M44
:
457 return &_bfd_sparc_elf_howto_table
[R_SPARC_M44
];
459 case BFD_RELOC_SPARC_L44
:
460 return &_bfd_sparc_elf_howto_table
[R_SPARC_L44
];
462 case BFD_RELOC_SPARC_REGISTER
:
463 return &_bfd_sparc_elf_howto_table
[R_SPARC_REGISTER
];
465 case BFD_RELOC_SPARC_UA64
:
466 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA64
];
468 case BFD_RELOC_SPARC_UA16
:
469 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA16
];
471 case BFD_RELOC_SPARC_TLS_GD_HI22
:
472 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_HI22
];
474 case BFD_RELOC_SPARC_TLS_GD_LO10
:
475 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_LO10
];
477 case BFD_RELOC_SPARC_TLS_GD_ADD
:
478 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_ADD
];
480 case BFD_RELOC_SPARC_TLS_GD_CALL
:
481 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_CALL
];
483 case BFD_RELOC_SPARC_TLS_LDM_HI22
:
484 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_HI22
];
486 case BFD_RELOC_SPARC_TLS_LDM_LO10
:
487 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_LO10
];
489 case BFD_RELOC_SPARC_TLS_LDM_ADD
:
490 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_ADD
];
492 case BFD_RELOC_SPARC_TLS_LDM_CALL
:
493 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_CALL
];
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22
:
496 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_HIX22
];
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10
:
499 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_LOX10
];
501 case BFD_RELOC_SPARC_TLS_LDO_ADD
:
502 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_ADD
];
504 case BFD_RELOC_SPARC_TLS_IE_HI22
:
505 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_HI22
];
507 case BFD_RELOC_SPARC_TLS_IE_LO10
:
508 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LO10
];
510 case BFD_RELOC_SPARC_TLS_IE_LD
:
511 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LD
];
513 case BFD_RELOC_SPARC_TLS_IE_LDX
:
514 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LDX
];
516 case BFD_RELOC_SPARC_TLS_IE_ADD
:
517 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_ADD
];
519 case BFD_RELOC_SPARC_TLS_LE_HIX22
:
520 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_HIX22
];
522 case BFD_RELOC_SPARC_TLS_LE_LOX10
:
523 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_LOX10
];
525 case BFD_RELOC_SPARC_TLS_DTPMOD32
:
526 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD32
];
528 case BFD_RELOC_SPARC_TLS_DTPMOD64
:
529 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD64
];
531 case BFD_RELOC_SPARC_TLS_DTPOFF32
:
532 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF32
];
534 case BFD_RELOC_SPARC_TLS_DTPOFF64
:
535 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF64
];
537 case BFD_RELOC_SPARC_TLS_TPOFF32
:
538 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF32
];
540 case BFD_RELOC_SPARC_TLS_TPOFF64
:
541 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF64
];
543 case BFD_RELOC_SPARC_GOTDATA_HIX22
:
544 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_HIX22
];
546 case BFD_RELOC_SPARC_GOTDATA_LOX10
:
547 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_LOX10
];
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22
:
550 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_HIX22
];
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10
:
553 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_LOX10
];
555 case BFD_RELOC_SPARC_GOTDATA_OP
:
556 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP
];
558 case BFD_RELOC_SPARC_H34
:
559 return &_bfd_sparc_elf_howto_table
[R_SPARC_H34
];
561 case BFD_RELOC_SPARC_SIZE32
:
562 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE32
];
564 case BFD_RELOC_SPARC_SIZE64
:
565 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE64
];
567 case BFD_RELOC_SPARC_WDISP10
:
568 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP10
];
570 case BFD_RELOC_SPARC_JMP_IREL
:
571 return &sparc_jmp_irel_howto
;
573 case BFD_RELOC_SPARC_IRELATIVE
:
574 return &sparc_irelative_howto
;
576 case BFD_RELOC_VTABLE_INHERIT
:
577 return &sparc_vtinherit_howto
;
579 case BFD_RELOC_VTABLE_ENTRY
:
580 return &sparc_vtentry_howto
;
582 case BFD_RELOC_SPARC_REV32
:
583 return &sparc_rev32_howto
;
588 bfd_set_error (bfd_error_bad_value
);
593 _bfd_sparc_elf_reloc_name_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
599 i
< (sizeof (_bfd_sparc_elf_howto_table
)
600 / sizeof (_bfd_sparc_elf_howto_table
[0]));
602 if (_bfd_sparc_elf_howto_table
[i
].name
!= NULL
603 && strcasecmp (_bfd_sparc_elf_howto_table
[i
].name
, r_name
) == 0)
604 return &_bfd_sparc_elf_howto_table
[i
];
606 if (strcasecmp (sparc_vtinherit_howto
.name
, r_name
) == 0)
607 return &sparc_vtinherit_howto
;
608 if (strcasecmp (sparc_vtentry_howto
.name
, r_name
) == 0)
609 return &sparc_vtentry_howto
;
610 if (strcasecmp (sparc_rev32_howto
.name
, r_name
) == 0)
611 return &sparc_rev32_howto
;
617 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type
)
621 case R_SPARC_JMP_IREL
:
622 return &sparc_jmp_irel_howto
;
624 case R_SPARC_IRELATIVE
:
625 return &sparc_irelative_howto
;
627 case R_SPARC_GNU_VTINHERIT
:
628 return &sparc_vtinherit_howto
;
630 case R_SPARC_GNU_VTENTRY
:
631 return &sparc_vtentry_howto
;
634 return &sparc_rev32_howto
;
637 if (r_type
>= (unsigned int) R_SPARC_max_std
)
639 _bfd_error_handler (_("invalid relocation type %d"), (int) r_type
);
640 r_type
= R_SPARC_NONE
;
642 return &_bfd_sparc_elf_howto_table
[r_type
];
646 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
647 so just take advantage of that. */
648 #define SPARC_ELF_R_TYPE(r_info) \
652 _bfd_sparc_elf_info_to_howto (bfd
*abfd ATTRIBUTE_UNUSED
, arelent
*cache_ptr
,
653 Elf_Internal_Rela
*dst
)
655 unsigned int r_type
= SPARC_ELF_R_TYPE (dst
->r_info
);
657 cache_ptr
->howto
= _bfd_sparc_elf_info_to_howto_ptr (r_type
);
661 /* The nop opcode we use. */
662 #define SPARC_NOP 0x01000000
664 #define SPARC_INSN_BYTES 4
666 /* Is an undefined weak symbol resolved to 0 ?
667 Reference to an undefined weak symbol is resolved to 0 when
668 building an executable if it isn't dynamic and
669 1. Has non-GOT/non-PLT relocations in text section.
671 2. Has no GOT/PLT relocation. */
672 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
673 ((EH)->elf.root.type == bfd_link_hash_undefweak \
674 && bfd_link_executable (INFO) \
675 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
676 || !(INFO)->dynamic_undefined_weak \
677 || (EH)->has_non_got_reloc \
678 || !(EH)->has_got_reloc))
680 /* SPARC ELF linker hash entry. */
682 struct _bfd_sparc_elf_link_hash_entry
684 struct elf_link_hash_entry elf
;
686 /* Track dynamic relocs copied for this symbol. */
687 struct elf_dyn_relocs
*dyn_relocs
;
689 #define GOT_UNKNOWN 0
693 unsigned char tls_type
;
695 /* Symbol has GOT or PLT relocations. */
696 unsigned int has_got_reloc
: 1;
698 /* Symbol has non-GOT/non-PLT relocations in text sections. */
699 unsigned int has_non_got_reloc
: 1;
703 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
705 struct _bfd_sparc_elf_obj_tdata
707 struct elf_obj_tdata root
;
709 /* tls_type for each local got entry. */
710 char *local_got_tls_type
;
712 /* TRUE if TLS GD relocs has been seen for this object. */
713 bfd_boolean has_tlsgd
;
716 #define _bfd_sparc_elf_tdata(abfd) \
717 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
719 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
720 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
722 #define is_sparc_elf(bfd) \
723 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
724 && elf_tdata (bfd) != NULL \
725 && elf_object_id (bfd) == SPARC_ELF_DATA)
728 _bfd_sparc_elf_mkobject (bfd
*abfd
)
730 return bfd_elf_allocate_object (abfd
, sizeof (struct _bfd_sparc_elf_obj_tdata
),
735 sparc_put_word_32 (bfd
*abfd
, bfd_vma val
, void *ptr
)
737 bfd_put_32 (abfd
, val
, ptr
);
741 sparc_put_word_64 (bfd
*abfd
, bfd_vma val
, void *ptr
)
743 bfd_put_64 (abfd
, val
, ptr
);
747 sparc_elf_append_rela (bfd
*abfd
, asection
*s
, Elf_Internal_Rela
*rel
)
749 const struct elf_backend_data
*bed
;
752 bed
= get_elf_backend_data (abfd
);
753 BFD_ASSERT (s
->reloc_count
* bed
->s
->sizeof_rela
< s
->size
);
754 loc
= s
->contents
+ (s
->reloc_count
++ * bed
->s
->sizeof_rela
);
755 bed
->s
->swap_reloca_out (abfd
, rel
, loc
);
759 sparc_elf_r_info_64 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
760 bfd_vma rel_index ATTRIBUTE_UNUSED
,
761 bfd_vma type ATTRIBUTE_UNUSED
)
763 return ELF64_R_INFO (rel_index
,
765 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel
->r_info
),
770 sparc_elf_r_info_32 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
771 bfd_vma rel_index
, bfd_vma type
)
773 return ELF32_R_INFO (rel_index
, type
);
777 sparc_elf_r_symndx_64 (bfd_vma r_info
)
779 bfd_vma r_symndx
= ELF32_R_SYM (r_info
);
780 return (r_symndx
>> 24);
784 sparc_elf_r_symndx_32 (bfd_vma r_info
)
786 return ELF32_R_SYM (r_info
);
791 #define PLT32_ENTRY_SIZE 12
792 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
794 /* The first four entries in a 32-bit procedure linkage table are reserved,
795 and the initial contents are unimportant (we zero them out).
796 Subsequent entries look like this. See the SVR4 ABI SPARC
797 supplement to see how this works. */
799 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
800 #define PLT32_ENTRY_WORD0 0x03000000
801 /* b,a .plt0. We fill in the offset later. */
802 #define PLT32_ENTRY_WORD1 0x30800000
804 #define PLT32_ENTRY_WORD2 SPARC_NOP
807 sparc32_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
808 bfd_vma max ATTRIBUTE_UNUSED
,
811 bfd_put_32 (output_bfd
,
812 PLT32_ENTRY_WORD0
+ offset
,
813 splt
->contents
+ offset
);
814 bfd_put_32 (output_bfd
,
816 + (((- (offset
+ 4)) >> 2) & 0x3fffff)),
817 splt
->contents
+ offset
+ 4);
818 bfd_put_32 (output_bfd
, (bfd_vma
) PLT32_ENTRY_WORD2
,
819 splt
->contents
+ offset
+ 8);
823 return offset
/ PLT32_ENTRY_SIZE
- 4;
826 /* Both the headers and the entries are icache aligned. */
827 #define PLT64_ENTRY_SIZE 32
828 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
829 #define PLT64_LARGE_THRESHOLD 32768
832 sparc64_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
833 bfd_vma max
, bfd_vma
*r_offset
)
835 unsigned char *entry
= splt
->contents
+ offset
;
836 const unsigned int nop
= SPARC_NOP
;
839 if (offset
< (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
841 unsigned int sethi
, ba
;
845 plt_index
= (offset
/ PLT64_ENTRY_SIZE
);
847 sethi
= 0x03000000 | (plt_index
* PLT64_ENTRY_SIZE
);
849 | (((splt
->contents
+ PLT64_ENTRY_SIZE
) - (entry
+ 4)) / 4 & 0x7ffff);
851 bfd_put_32 (output_bfd
, (bfd_vma
) sethi
, entry
);
852 bfd_put_32 (output_bfd
, (bfd_vma
) ba
, entry
+ 4);
853 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 8);
854 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 12);
855 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 16);
856 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 20);
857 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 24);
858 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 28);
864 int block
, last_block
, ofs
, last_ofs
, chunks_this_block
;
865 const int insn_chunk_size
= (6 * 4);
866 const int ptr_chunk_size
= (1 * 8);
867 const int entries_per_block
= 160;
868 const int block_size
= entries_per_block
* (insn_chunk_size
871 /* Entries 32768 and higher are grouped into blocks of 160.
872 The blocks are further subdivided into 160 sequences of
873 6 instructions and 160 pointers. If a block does not require
874 the full 160 entries, let's say it requires N, then there
875 will be N sequences of 6 instructions and N pointers. */
877 offset
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
878 max
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
880 block
= offset
/ block_size
;
881 last_block
= max
/ block_size
;
882 if (block
!= last_block
)
884 chunks_this_block
= 160;
888 last_ofs
= max
% block_size
;
889 chunks_this_block
= last_ofs
/ (insn_chunk_size
+ ptr_chunk_size
);
892 ofs
= offset
% block_size
;
894 plt_index
= (PLT64_LARGE_THRESHOLD
+
896 (ofs
/ insn_chunk_size
));
899 + (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
900 + (block
* block_size
)
901 + (chunks_this_block
* insn_chunk_size
)
902 + (ofs
/ insn_chunk_size
) * ptr_chunk_size
;
904 *r_offset
= (bfd_vma
) (ptr
- splt
->contents
);
906 ldx
= 0xc25be000 | ((ptr
- (entry
+4)) & 0x1fff);
914 bfd_put_32 (output_bfd
, (bfd_vma
) 0x8a10000f, entry
);
915 bfd_put_32 (output_bfd
, (bfd_vma
) 0x40000002, entry
+ 4);
916 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
, entry
+ 8);
917 bfd_put_32 (output_bfd
, (bfd_vma
) ldx
, entry
+ 12);
918 bfd_put_32 (output_bfd
, (bfd_vma
) 0x83c3c001, entry
+ 16);
919 bfd_put_32 (output_bfd
, (bfd_vma
) 0x9e100005, entry
+ 20);
921 bfd_put_64 (output_bfd
, (bfd_vma
) (splt
->contents
- (entry
+ 4)), ptr
);
924 return plt_index
- 4;
927 /* The format of the first PLT entry in a VxWorks executable. */
928 static const bfd_vma sparc_vxworks_exec_plt0_entry
[] =
930 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
931 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
932 0xc4008000, /* ld [ %g2 ], %g2 */
933 0x81c08000, /* jmp %g2 */
937 /* The format of subsequent PLT entries. */
938 static const bfd_vma sparc_vxworks_exec_plt_entry
[] =
940 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
941 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
942 0xc2004000, /* ld [ %g1 ], %g1 */
943 0x81c04000, /* jmp %g1 */
944 0x01000000, /* nop */
945 0x03000000, /* sethi %hi(f@pltindex), %g1 */
946 0x10800000, /* b _PLT_resolve */
947 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
950 /* The format of the first PLT entry in a VxWorks shared object. */
951 static const bfd_vma sparc_vxworks_shared_plt0_entry
[] =
953 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
954 0x81c08000, /* jmp %g2 */
958 /* The format of subsequent PLT entries. */
959 static const bfd_vma sparc_vxworks_shared_plt_entry
[] =
961 0x03000000, /* sethi %hi(f@got), %g1 */
962 0x82106000, /* or %g1, %lo(f@got), %g1 */
963 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
964 0x81c04000, /* jmp %g1 */
965 0x01000000, /* nop */
966 0x03000000, /* sethi %hi(f@pltindex), %g1 */
967 0x10800000, /* b _PLT_resolve */
968 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
971 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
972 htab->put_word(bfd, val, ptr)
974 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
975 htab->r_info(in_rel, index, type)
977 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
978 htab->r_symndx(r_info)
980 #define SPARC_ELF_WORD_BYTES(htab) \
983 #define SPARC_ELF_RELA_BYTES(htab) \
986 #define SPARC_ELF_DTPOFF_RELOC(htab) \
989 #define SPARC_ELF_DTPMOD_RELOC(htab) \
992 #define SPARC_ELF_TPOFF_RELOC(htab) \
995 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
996 htab->build_plt_entry (obfd, splt, off, max, r_off)
998 /* Create an entry in an SPARC ELF linker hash table. */
1000 static struct bfd_hash_entry
*
1001 link_hash_newfunc (struct bfd_hash_entry
*entry
,
1002 struct bfd_hash_table
*table
, const char *string
)
1004 /* Allocate the structure if it has not already been allocated by a
1008 entry
= bfd_hash_allocate (table
,
1009 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1014 /* Call the allocation method of the superclass. */
1015 entry
= _bfd_elf_link_hash_newfunc (entry
, table
, string
);
1018 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1020 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) entry
;
1021 eh
->dyn_relocs
= NULL
;
1022 eh
->tls_type
= GOT_UNKNOWN
;
1023 eh
->has_got_reloc
= 0;
1024 eh
->has_non_got_reloc
= 0;
1030 /* The name of the dynamic interpreter. This is put in the .interp
1033 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1034 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1036 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1037 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1038 as global symbol. We reuse indx and dynstr_index for local symbol
1039 hash since they aren't used by global symbols in this backend. */
1042 elf_sparc_local_htab_hash (const void *ptr
)
1044 struct elf_link_hash_entry
*h
1045 = (struct elf_link_hash_entry
*) ptr
;
1046 return ELF_LOCAL_SYMBOL_HASH (h
->indx
, h
->dynstr_index
);
1049 /* Compare local hash entries. */
1052 elf_sparc_local_htab_eq (const void *ptr1
, const void *ptr2
)
1054 struct elf_link_hash_entry
*h1
1055 = (struct elf_link_hash_entry
*) ptr1
;
1056 struct elf_link_hash_entry
*h2
1057 = (struct elf_link_hash_entry
*) ptr2
;
1059 return h1
->indx
== h2
->indx
&& h1
->dynstr_index
== h2
->dynstr_index
;
1062 /* Find and/or create a hash entry for local symbol. */
1064 static struct elf_link_hash_entry
*
1065 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table
*htab
,
1066 bfd
*abfd
, const Elf_Internal_Rela
*rel
,
1069 struct _bfd_sparc_elf_link_hash_entry e
, *ret
;
1070 asection
*sec
= abfd
->sections
;
1071 unsigned long r_symndx
;
1075 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1076 h
= ELF_LOCAL_SYMBOL_HASH (sec
->id
, r_symndx
);
1078 e
.elf
.indx
= sec
->id
;
1079 e
.elf
.dynstr_index
= r_symndx
;
1080 slot
= htab_find_slot_with_hash (htab
->loc_hash_table
, &e
, h
,
1081 create
? INSERT
: NO_INSERT
);
1088 ret
= (struct _bfd_sparc_elf_link_hash_entry
*) *slot
;
1092 ret
= (struct _bfd_sparc_elf_link_hash_entry
*)
1093 objalloc_alloc ((struct objalloc
*) htab
->loc_hash_memory
,
1094 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1097 memset (ret
, 0, sizeof (*ret
));
1098 ret
->elf
.indx
= sec
->id
;
1099 ret
->elf
.dynstr_index
= r_symndx
;
1100 ret
->elf
.dynindx
= -1;
1101 ret
->elf
.plt
.offset
= (bfd_vma
) -1;
1102 ret
->elf
.got
.offset
= (bfd_vma
) -1;
1108 /* Destroy a SPARC ELF linker hash table. */
1111 _bfd_sparc_elf_link_hash_table_free (bfd
*obfd
)
1113 struct _bfd_sparc_elf_link_hash_table
*htab
1114 = (struct _bfd_sparc_elf_link_hash_table
*) obfd
->link
.hash
;
1116 if (htab
->loc_hash_table
)
1117 htab_delete (htab
->loc_hash_table
);
1118 if (htab
->loc_hash_memory
)
1119 objalloc_free ((struct objalloc
*) htab
->loc_hash_memory
);
1120 _bfd_elf_link_hash_table_free (obfd
);
1123 /* Create a SPARC ELF linker hash table. */
1125 struct bfd_link_hash_table
*
1126 _bfd_sparc_elf_link_hash_table_create (bfd
*abfd
)
1128 struct _bfd_sparc_elf_link_hash_table
*ret
;
1129 bfd_size_type amt
= sizeof (struct _bfd_sparc_elf_link_hash_table
);
1131 ret
= (struct _bfd_sparc_elf_link_hash_table
*) bfd_zmalloc (amt
);
1135 if (ABI_64_P (abfd
))
1137 ret
->put_word
= sparc_put_word_64
;
1138 ret
->r_info
= sparc_elf_r_info_64
;
1139 ret
->r_symndx
= sparc_elf_r_symndx_64
;
1140 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF64
;
1141 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD64
;
1142 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF64
;
1143 ret
->word_align_power
= 3;
1144 ret
->align_power_max
= 4;
1145 ret
->bytes_per_word
= 8;
1146 ret
->bytes_per_rela
= sizeof (Elf64_External_Rela
);
1147 ret
->dynamic_interpreter
= ELF64_DYNAMIC_INTERPRETER
;
1148 ret
->dynamic_interpreter_size
= sizeof ELF64_DYNAMIC_INTERPRETER
;
1150 ret
->build_plt_entry
= sparc64_plt_entry_build
;
1151 ret
->plt_header_size
= PLT64_HEADER_SIZE
;
1152 ret
->plt_entry_size
= PLT64_ENTRY_SIZE
;
1156 ret
->put_word
= sparc_put_word_32
;
1157 ret
->r_info
= sparc_elf_r_info_32
;
1158 ret
->r_symndx
= sparc_elf_r_symndx_32
;
1159 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF32
;
1160 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD32
;
1161 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF32
;
1162 ret
->word_align_power
= 2;
1163 ret
->align_power_max
= 3;
1164 ret
->bytes_per_word
= 4;
1165 ret
->bytes_per_rela
= sizeof (Elf32_External_Rela
);
1166 ret
->dynamic_interpreter
= ELF32_DYNAMIC_INTERPRETER
;
1167 ret
->dynamic_interpreter_size
= sizeof ELF32_DYNAMIC_INTERPRETER
;
1169 ret
->build_plt_entry
= sparc32_plt_entry_build
;
1170 ret
->plt_header_size
= PLT32_HEADER_SIZE
;
1171 ret
->plt_entry_size
= PLT32_ENTRY_SIZE
;
1174 if (!_bfd_elf_link_hash_table_init (&ret
->elf
, abfd
, link_hash_newfunc
,
1175 sizeof (struct _bfd_sparc_elf_link_hash_entry
),
1182 ret
->loc_hash_table
= htab_try_create (1024,
1183 elf_sparc_local_htab_hash
,
1184 elf_sparc_local_htab_eq
,
1186 ret
->loc_hash_memory
= objalloc_create ();
1187 if (!ret
->loc_hash_table
|| !ret
->loc_hash_memory
)
1189 _bfd_sparc_elf_link_hash_table_free (abfd
);
1192 ret
->elf
.root
.hash_table_free
= _bfd_sparc_elf_link_hash_table_free
;
1194 return &ret
->elf
.root
;
1197 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1198 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1202 _bfd_sparc_elf_create_dynamic_sections (bfd
*dynobj
,
1203 struct bfd_link_info
*info
)
1205 struct _bfd_sparc_elf_link_hash_table
*htab
;
1207 htab
= _bfd_sparc_elf_hash_table (info
);
1208 BFD_ASSERT (htab
!= NULL
);
1210 if (!_bfd_elf_create_dynamic_sections (dynobj
, info
))
1213 if (htab
->is_vxworks
)
1215 if (!elf_vxworks_create_dynamic_sections (dynobj
, info
, &htab
->srelplt2
))
1217 if (bfd_link_pic (info
))
1219 htab
->plt_header_size
1220 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
);
1221 htab
->plt_entry_size
1222 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry
);
1226 htab
->plt_header_size
1227 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry
);
1228 htab
->plt_entry_size
1229 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry
);
1233 if (!htab
->elf
.splt
|| !htab
->elf
.srelplt
|| !htab
->elf
.sdynbss
1234 || (!bfd_link_pic (info
) && !htab
->elf
.srelbss
))
1241 create_ifunc_sections (bfd
*abfd
, struct bfd_link_info
*info
)
1243 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
1244 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
1245 flagword flags
, pltflags
;
1248 if (htab
->irelifunc
!= NULL
|| htab
->iplt
!= NULL
)
1251 flags
= bed
->dynamic_sec_flags
;
1252 pltflags
= flags
| SEC_ALLOC
| SEC_CODE
| SEC_LOAD
;
1254 s
= bfd_make_section_with_flags (abfd
, ".iplt", pltflags
);
1256 || ! bfd_set_section_alignment (abfd
, s
, bed
->plt_alignment
))
1260 s
= bfd_make_section_with_flags (abfd
, ".rela.iplt",
1261 flags
| SEC_READONLY
);
1263 || ! bfd_set_section_alignment (abfd
, s
,
1264 bed
->s
->log_file_align
))
1271 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1274 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info
*info
,
1275 struct elf_link_hash_entry
*dir
,
1276 struct elf_link_hash_entry
*ind
)
1278 struct _bfd_sparc_elf_link_hash_entry
*edir
, *eind
;
1280 edir
= (struct _bfd_sparc_elf_link_hash_entry
*) dir
;
1281 eind
= (struct _bfd_sparc_elf_link_hash_entry
*) ind
;
1283 if (eind
->dyn_relocs
!= NULL
)
1285 if (edir
->dyn_relocs
!= NULL
)
1287 struct elf_dyn_relocs
**pp
;
1288 struct elf_dyn_relocs
*p
;
1290 /* Add reloc counts against the indirect sym to the direct sym
1291 list. Merge any entries against the same section. */
1292 for (pp
= &eind
->dyn_relocs
; (p
= *pp
) != NULL
; )
1294 struct elf_dyn_relocs
*q
;
1296 for (q
= edir
->dyn_relocs
; q
!= NULL
; q
= q
->next
)
1297 if (q
->sec
== p
->sec
)
1299 q
->pc_count
+= p
->pc_count
;
1300 q
->count
+= p
->count
;
1307 *pp
= edir
->dyn_relocs
;
1310 edir
->dyn_relocs
= eind
->dyn_relocs
;
1311 eind
->dyn_relocs
= NULL
;
1314 if (ind
->root
.type
== bfd_link_hash_indirect
&& dir
->got
.refcount
<= 0)
1316 edir
->tls_type
= eind
->tls_type
;
1317 eind
->tls_type
= GOT_UNKNOWN
;
1320 /* Copy has_got_reloc and has_non_got_reloc. */
1321 edir
->has_got_reloc
|= eind
->has_got_reloc
;
1322 edir
->has_non_got_reloc
|= eind
->has_non_got_reloc
;
1324 _bfd_elf_link_hash_copy_indirect (info
, dir
, ind
);
1328 sparc_elf_tls_transition (struct bfd_link_info
*info
, bfd
*abfd
,
1329 int r_type
, int is_local
)
1331 if (! ABI_64_P (abfd
)
1332 && r_type
== R_SPARC_TLS_GD_HI22
1333 && ! _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
)
1334 return R_SPARC_REV32
;
1336 if (!bfd_link_executable (info
))
1341 case R_SPARC_TLS_GD_HI22
:
1342 return is_local
? R_SPARC_TLS_LE_HIX22
: R_SPARC_TLS_IE_HI22
;
1343 case R_SPARC_TLS_GD_LO10
:
1344 return is_local
? R_SPARC_TLS_LE_LOX10
: R_SPARC_TLS_IE_LO10
;
1345 case R_SPARC_TLS_LDM_HI22
:
1346 return R_SPARC_TLS_LE_HIX22
;
1347 case R_SPARC_TLS_LDM_LO10
:
1348 return R_SPARC_TLS_LE_LOX10
;
1349 case R_SPARC_TLS_IE_HI22
:
1350 return is_local
? R_SPARC_TLS_LE_HIX22
: r_type
;
1351 case R_SPARC_TLS_IE_LO10
:
1352 return is_local
? R_SPARC_TLS_LE_LOX10
: r_type
;
1358 /* Look through the relocs for a section during the first phase, and
1359 allocate space in the global offset table or procedure linkage
1363 _bfd_sparc_elf_check_relocs (bfd
*abfd
, struct bfd_link_info
*info
,
1364 asection
*sec
, const Elf_Internal_Rela
*relocs
)
1366 struct _bfd_sparc_elf_link_hash_table
*htab
;
1367 Elf_Internal_Shdr
*symtab_hdr
;
1368 struct elf_link_hash_entry
**sym_hashes
;
1369 const Elf_Internal_Rela
*rel
;
1370 const Elf_Internal_Rela
*rel_end
;
1373 bfd_boolean checked_tlsgd
= FALSE
;
1375 if (bfd_link_relocatable (info
))
1378 htab
= _bfd_sparc_elf_hash_table (info
);
1379 BFD_ASSERT (htab
!= NULL
);
1380 symtab_hdr
= &elf_symtab_hdr (abfd
);
1381 sym_hashes
= elf_sym_hashes (abfd
);
1385 if (ABI_64_P (abfd
))
1386 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec
));
1388 num_relocs
= sec
->reloc_count
;
1390 BFD_ASSERT (is_sparc_elf (abfd
) || num_relocs
== 0);
1392 if (htab
->elf
.dynobj
== NULL
)
1393 htab
->elf
.dynobj
= abfd
;
1394 if (!create_ifunc_sections (htab
->elf
.dynobj
, info
))
1397 rel_end
= relocs
+ num_relocs
;
1398 for (rel
= relocs
; rel
< rel_end
; rel
++)
1400 unsigned int r_type
;
1401 unsigned int r_symndx
;
1402 struct elf_link_hash_entry
*h
;
1403 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1404 Elf_Internal_Sym
*isym
;
1406 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1407 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1409 if (r_symndx
>= NUM_SHDR_ENTRIES (symtab_hdr
))
1411 /* xgettext:c-format */
1412 _bfd_error_handler (_("%B: bad symbol index: %d"), abfd
, r_symndx
);
1417 if (r_symndx
< symtab_hdr
->sh_info
)
1419 /* A local symbol. */
1420 isym
= bfd_sym_from_r_symndx (&htab
->sym_cache
, abfd
, r_symndx
);
1424 /* Check relocation against local STT_GNU_IFUNC symbol. */
1425 if (ELF_ST_TYPE (isym
->st_info
) == STT_GNU_IFUNC
)
1427 h
= elf_sparc_get_local_sym_hash (htab
, abfd
, rel
, TRUE
);
1431 /* Fake a STT_GNU_IFUNC symbol. */
1432 h
->type
= STT_GNU_IFUNC
;
1435 h
->forced_local
= 1;
1436 h
->root
.type
= bfd_link_hash_defined
;
1443 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1444 while (h
->root
.type
== bfd_link_hash_indirect
1445 || h
->root
.type
== bfd_link_hash_warning
)
1446 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1449 if (h
&& h
->type
== STT_GNU_IFUNC
&& h
->def_regular
)
1452 h
->plt
.refcount
+= 1;
1455 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1456 with R_SPARC_TLS_GD_HI22. */
1457 if (! ABI_64_P (abfd
) && ! checked_tlsgd
)
1460 case R_SPARC_TLS_GD_HI22
:
1462 const Elf_Internal_Rela
*relt
;
1464 for (relt
= rel
+ 1; relt
< rel_end
; relt
++)
1465 if (ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_LO10
1466 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_ADD
1467 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_CALL
)
1469 checked_tlsgd
= TRUE
;
1470 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= relt
< rel_end
;
1473 case R_SPARC_TLS_GD_LO10
:
1474 case R_SPARC_TLS_GD_ADD
:
1475 case R_SPARC_TLS_GD_CALL
:
1476 checked_tlsgd
= TRUE
;
1477 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= TRUE
;
1481 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
1482 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1486 case R_SPARC_TLS_LDM_HI22
:
1487 case R_SPARC_TLS_LDM_LO10
:
1488 htab
->tls_ldm_got
.refcount
+= 1;
1490 eh
->has_got_reloc
= 1;
1493 case R_SPARC_TLS_LE_HIX22
:
1494 case R_SPARC_TLS_LE_LOX10
:
1495 if (!bfd_link_executable (info
))
1499 case R_SPARC_TLS_IE_HI22
:
1500 case R_SPARC_TLS_IE_LO10
:
1501 if (!bfd_link_executable (info
))
1502 info
->flags
|= DF_STATIC_TLS
;
1508 case R_SPARC_GOTDATA_HIX22
:
1509 case R_SPARC_GOTDATA_LOX10
:
1510 case R_SPARC_GOTDATA_OP_HIX22
:
1511 case R_SPARC_GOTDATA_OP_LOX10
:
1512 case R_SPARC_TLS_GD_HI22
:
1513 case R_SPARC_TLS_GD_LO10
:
1514 /* This symbol requires a global offset table entry. */
1516 int tls_type
, old_tls_type
;
1520 case R_SPARC_TLS_GD_HI22
:
1521 case R_SPARC_TLS_GD_LO10
:
1522 tls_type
= GOT_TLS_GD
;
1524 case R_SPARC_TLS_IE_HI22
:
1525 case R_SPARC_TLS_IE_LO10
:
1526 tls_type
= GOT_TLS_IE
;
1529 tls_type
= GOT_NORMAL
;
1535 h
->got
.refcount
+= 1;
1536 old_tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
1540 bfd_signed_vma
*local_got_refcounts
;
1542 /* This is a global offset table entry for a local symbol. */
1543 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1544 if (local_got_refcounts
== NULL
)
1548 size
= symtab_hdr
->sh_info
;
1549 size
*= (sizeof (bfd_signed_vma
) + sizeof(char));
1550 local_got_refcounts
= ((bfd_signed_vma
*)
1551 bfd_zalloc (abfd
, size
));
1552 if (local_got_refcounts
== NULL
)
1554 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
1555 _bfd_sparc_elf_local_got_tls_type (abfd
)
1556 = (char *) (local_got_refcounts
+ symtab_hdr
->sh_info
);
1559 if (r_type
!= R_SPARC_GOTDATA_OP_HIX22
1560 && r_type
!= R_SPARC_GOTDATA_OP_LOX10
)
1561 local_got_refcounts
[r_symndx
] += 1;
1563 old_tls_type
= _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
];
1566 /* If a TLS symbol is accessed using IE at least once, there is no point
1567 in using the dynamic model for it. */
1568 if (old_tls_type
!= tls_type
)
1570 if (old_tls_type
== GOT_UNKNOWN
)
1572 else if (old_tls_type
== GOT_TLS_GD
&& tls_type
== GOT_TLS_IE
)
1574 else if (old_tls_type
== GOT_TLS_IE
&& tls_type
== GOT_TLS_GD
)
1575 tls_type
= old_tls_type
;
1579 /* xgettext:c-format */
1580 (_("%B: `%s' accessed both as normal and thread local symbol"),
1581 abfd
, h
? h
->root
.root
.string
: "<local>");
1586 _bfd_sparc_elf_hash_entry (h
)->tls_type
= tls_type
;
1588 _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
] = tls_type
;
1593 && !_bfd_elf_create_got_section (htab
->elf
.dynobj
, info
))
1597 eh
->has_got_reloc
= 1;
1600 case R_SPARC_TLS_GD_CALL
:
1601 case R_SPARC_TLS_LDM_CALL
:
1602 if (bfd_link_executable (info
))
1605 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1606 h
= (struct elf_link_hash_entry
*)
1607 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", TRUE
,
1611 case R_SPARC_WPLT30
:
1614 case R_SPARC_HIPLT22
:
1615 case R_SPARC_LOPLT10
:
1616 case R_SPARC_PCPLT32
:
1617 case R_SPARC_PCPLT22
:
1618 case R_SPARC_PCPLT10
:
1619 /* This symbol requires a procedure linkage table entry.
1620 We actually build the entry in adjust_dynamic_symbol,
1621 because this might be a case of linking PIC code without
1622 linking in any dynamic objects, in which case we don't
1623 need to generate a procedure linkage table after all. */
1627 if (! ABI_64_P (abfd
))
1629 /* The Solaris native assembler will generate a WPLT30
1630 reloc for a local symbol if you assemble a call from
1631 one section to another when using -K pic. We treat
1633 if (r_type
== R_SPARC_PLT32
)
1637 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1638 else if (r_type
== R_SPARC_WPLT30
)
1641 /* It does not make sense to have a procedure linkage
1642 table entry for a local symbol. */
1643 bfd_set_error (bfd_error_bad_value
);
1649 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
1652 h
->plt
.refcount
+= 1;
1654 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1655 eh
->has_got_reloc
= 1;
1660 case R_SPARC_PC_HH22
:
1661 case R_SPARC_PC_HM10
:
1662 case R_SPARC_PC_LM22
:
1667 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1672 case R_SPARC_DISP16
:
1673 case R_SPARC_DISP32
:
1674 case R_SPARC_DISP64
:
1675 case R_SPARC_WDISP30
:
1676 case R_SPARC_WDISP22
:
1677 case R_SPARC_WDISP19
:
1678 case R_SPARC_WDISP16
:
1679 case R_SPARC_WDISP10
:
1709 if (eh
!= NULL
&& (sec
->flags
& SEC_CODE
) != 0)
1710 eh
->has_non_got_reloc
= 1;
1713 if (h
!= NULL
&& !bfd_link_pic (info
))
1715 /* We may need a .plt entry if the function this reloc
1716 refers to is in a shared lib. */
1717 h
->plt
.refcount
+= 1;
1720 /* If we are creating a shared library, and this is a reloc
1721 against a global symbol, or a non PC relative reloc
1722 against a local symbol, then we need to copy the reloc
1723 into the shared library. However, if we are linking with
1724 -Bsymbolic, we do not need to copy a reloc against a
1725 global symbol which is defined in an object we are
1726 including in the link (i.e., DEF_REGULAR is set). At
1727 this point we have not seen all the input files, so it is
1728 possible that DEF_REGULAR is not set now but will be set
1729 later (it is never cleared). In case of a weak definition,
1730 DEF_REGULAR may be cleared later by a strong definition in
1731 a shared library. We account for that possibility below by
1732 storing information in the relocs_copied field of the hash
1733 table entry. A similar situation occurs when creating
1734 shared libraries and symbol visibility changes render the
1737 If on the other hand, we are creating an executable, we
1738 may need to keep relocations for symbols satisfied by a
1739 dynamic library if we manage to avoid copy relocs for the
1741 if ((bfd_link_pic (info
)
1742 && (sec
->flags
& SEC_ALLOC
) != 0
1743 && (! _bfd_sparc_elf_howto_table
[r_type
].pc_relative
1745 && (! SYMBOLIC_BIND (info
, h
)
1746 || h
->root
.type
== bfd_link_hash_defweak
1747 || !h
->def_regular
))))
1748 || (!bfd_link_pic (info
)
1749 && (sec
->flags
& SEC_ALLOC
) != 0
1751 && (h
->root
.type
== bfd_link_hash_defweak
1752 || !h
->def_regular
))
1753 || (!bfd_link_pic (info
)
1755 && h
->type
== STT_GNU_IFUNC
))
1757 struct elf_dyn_relocs
*p
;
1758 struct elf_dyn_relocs
**head
;
1760 /* When creating a shared object, we must copy these
1761 relocs into the output file. We create a reloc
1762 section in dynobj and make room for the reloc. */
1765 sreloc
= _bfd_elf_make_dynamic_reloc_section
1766 (sec
, htab
->elf
.dynobj
, htab
->word_align_power
,
1767 abfd
, /*rela?*/ TRUE
);
1773 /* If this is a global symbol, we count the number of
1774 relocations we need for this symbol. */
1776 head
= &((struct _bfd_sparc_elf_link_hash_entry
*) h
)->dyn_relocs
;
1779 /* Track dynamic relocs needed for local syms too.
1780 We really need local syms available to do this
1785 BFD_ASSERT (isym
!= NULL
);
1786 s
= bfd_section_from_elf_index (abfd
, isym
->st_shndx
);
1790 vpp
= &elf_section_data (s
)->local_dynrel
;
1791 head
= (struct elf_dyn_relocs
**) vpp
;
1795 if (p
== NULL
|| p
->sec
!= sec
)
1797 bfd_size_type amt
= sizeof *p
;
1798 p
= ((struct elf_dyn_relocs
*)
1799 bfd_alloc (htab
->elf
.dynobj
, amt
));
1810 if (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
)
1816 case R_SPARC_GNU_VTINHERIT
:
1817 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
1821 case R_SPARC_GNU_VTENTRY
:
1822 BFD_ASSERT (h
!= NULL
);
1824 && !bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
1828 case R_SPARC_REGISTER
:
1829 /* Nothing to do. */
1841 _bfd_sparc_elf_gc_mark_hook (asection
*sec
,
1842 struct bfd_link_info
*info
,
1843 Elf_Internal_Rela
*rel
,
1844 struct elf_link_hash_entry
*h
,
1845 Elf_Internal_Sym
*sym
)
1848 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1850 case R_SPARC_GNU_VTINHERIT
:
1851 case R_SPARC_GNU_VTENTRY
:
1855 if (!bfd_link_executable (info
))
1857 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1859 case R_SPARC_TLS_GD_CALL
:
1860 case R_SPARC_TLS_LDM_CALL
:
1861 /* This reloc implicitly references __tls_get_addr. We know
1862 another reloc will reference the same symbol as the one
1863 on this reloc, so the real symbol and section will be
1864 gc marked when processing the other reloc. That lets
1865 us handle __tls_get_addr here. */
1866 h
= elf_link_hash_lookup (elf_hash_table (info
), "__tls_get_addr",
1867 FALSE
, FALSE
, TRUE
);
1868 BFD_ASSERT (h
!= NULL
);
1870 if (h
->is_weakalias
)
1871 weakdef (h
)->mark
= 1;
1876 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
1879 static Elf_Internal_Rela
*
1880 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela
*rel
,
1881 Elf_Internal_Rela
*relend
,
1884 while (rel
< relend
)
1886 if (rel
->r_offset
== offset
)
1893 /* Remove undefined weak symbol from the dynamic symbol table if it
1894 is resolved to 0. */
1897 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info
*info
,
1898 struct elf_link_hash_entry
*h
)
1900 if (h
->dynindx
!= -1
1901 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
,
1902 _bfd_sparc_elf_hash_entry (h
)))
1905 _bfd_elf_strtab_delref (elf_hash_table (info
)->dynstr
,
1911 /* Find dynamic relocs for H that apply to read-only sections. */
1914 readonly_dynrelocs (struct elf_link_hash_entry
*h
)
1916 struct elf_dyn_relocs
*p
;
1918 for (p
= _bfd_sparc_elf_hash_entry (h
)->dyn_relocs
; p
!= NULL
; p
= p
->next
)
1920 asection
*s
= p
->sec
->output_section
;
1922 if (s
!= NULL
&& (s
->flags
& SEC_READONLY
) != 0)
1928 /* Adjust a symbol defined by a dynamic object and referenced by a
1929 regular object. The current definition is in some section of the
1930 dynamic object, but we're not including those sections. We have to
1931 change the definition to something the rest of the link can
1935 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info
*info
,
1936 struct elf_link_hash_entry
*h
)
1938 struct _bfd_sparc_elf_link_hash_table
*htab
;
1941 htab
= _bfd_sparc_elf_hash_table (info
);
1942 BFD_ASSERT (htab
!= NULL
);
1944 /* Make sure we know what is going on here. */
1945 BFD_ASSERT (htab
->elf
.dynobj
!= NULL
1947 || h
->type
== STT_GNU_IFUNC
1951 && !h
->def_regular
)));
1953 /* If this is a function, put it in the procedure linkage table. We
1954 will fill in the contents of the procedure linkage table later
1955 (although we could actually do it here). The STT_NOTYPE
1956 condition is a hack specifically for the Oracle libraries
1957 delivered for Solaris; for some inexplicable reason, they define
1958 some of their functions as STT_NOTYPE when they really should be
1960 if (h
->type
== STT_FUNC
1961 || h
->type
== STT_GNU_IFUNC
1963 || (h
->type
== STT_NOTYPE
1964 && (h
->root
.type
== bfd_link_hash_defined
1965 || h
->root
.type
== bfd_link_hash_defweak
)
1966 && (h
->root
.u
.def
.section
->flags
& SEC_CODE
) != 0))
1968 if (h
->plt
.refcount
<= 0
1969 || (h
->type
!= STT_GNU_IFUNC
1970 && (SYMBOL_CALLS_LOCAL (info
, h
)
1971 || (h
->root
.type
== bfd_link_hash_undefweak
1972 && ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
))))
1974 /* This case can occur if we saw a WPLT30 reloc in an input
1975 file, but the symbol was never referred to by a dynamic
1976 object, or if all references were garbage collected. In
1977 such a case, we don't actually need to build a procedure
1978 linkage table, and we can just do a WDISP30 reloc instead. */
1979 h
->plt
.offset
= (bfd_vma
) -1;
1986 h
->plt
.offset
= (bfd_vma
) -1;
1988 /* If this is a weak symbol, and there is a real definition, the
1989 processor independent code will have arranged for us to see the
1990 real definition first, and we can just use the same value. */
1991 if (h
->is_weakalias
)
1993 struct elf_link_hash_entry
*def
= weakdef (h
);
1994 BFD_ASSERT (def
->root
.type
== bfd_link_hash_defined
);
1995 h
->root
.u
.def
.section
= def
->root
.u
.def
.section
;
1996 h
->root
.u
.def
.value
= def
->root
.u
.def
.value
;
2000 /* This is a reference to a symbol defined by a dynamic object which
2001 is not a function. */
2003 /* If we are creating a shared library, we must presume that the
2004 only references to the symbol are via the global offset table.
2005 For such cases we need not do anything here; the relocations will
2006 be handled correctly by relocate_section. */
2007 if (bfd_link_pic (info
))
2010 /* If there are no references to this symbol that do not use the
2011 GOT, we don't need to generate a copy reloc. */
2012 if (!h
->non_got_ref
)
2015 /* If -z nocopyreloc was given, we won't generate them either. */
2016 if (info
->nocopyreloc
)
2022 /* If we don't find any dynamic relocs in read-only sections, then
2023 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2024 if (!readonly_dynrelocs (h
))
2030 /* We must allocate the symbol in our .dynbss section, which will
2031 become part of the .bss section of the executable. There will be
2032 an entry for this symbol in the .dynsym section. The dynamic
2033 object will contain position independent code, so all references
2034 from the dynamic object to this symbol will go through the global
2035 offset table. The dynamic linker will use the .dynsym entry to
2036 determine the address it must put in the global offset table, so
2037 both the dynamic object and the regular object will refer to the
2038 same memory location for the variable. */
2040 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2041 to copy the initial value out of the dynamic object and into the
2042 runtime process image. We need to remember the offset into the
2043 .rel.bss section we are going to use. */
2044 if ((h
->root
.u
.def
.section
->flags
& SEC_READONLY
) != 0)
2046 s
= htab
->elf
.sdynrelro
;
2047 srel
= htab
->elf
.sreldynrelro
;
2051 s
= htab
->elf
.sdynbss
;
2052 srel
= htab
->elf
.srelbss
;
2054 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0 && h
->size
!= 0)
2056 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2060 return _bfd_elf_adjust_dynamic_copy (info
, h
, s
);
2063 /* Allocate space in .plt, .got and associated reloc sections for
2067 allocate_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2069 struct bfd_link_info
*info
;
2070 struct _bfd_sparc_elf_link_hash_table
*htab
;
2071 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2072 struct elf_dyn_relocs
*p
;
2073 bfd_boolean resolved_to_zero
;
2075 if (h
->root
.type
== bfd_link_hash_indirect
)
2078 info
= (struct bfd_link_info
*) inf
;
2079 htab
= _bfd_sparc_elf_hash_table (info
);
2080 BFD_ASSERT (htab
!= NULL
);
2082 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2083 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
2085 if ((htab
->elf
.dynamic_sections_created
2086 && h
->plt
.refcount
> 0)
2087 || (h
->type
== STT_GNU_IFUNC
2091 /* Undefined weak syms won't yet be marked as dynamic. */
2092 if (h
->root
.type
== bfd_link_hash_undefweak
2093 && !resolved_to_zero
2095 && !h
->forced_local
)
2097 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2101 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info
), h
)
2102 || (h
->type
== STT_GNU_IFUNC
2105 asection
*s
= htab
->elf
.splt
;
2110 /* Allocate room for the header. */
2113 s
->size
= htab
->plt_header_size
;
2115 /* Allocate space for the .rela.plt.unloaded relocations. */
2116 if (htab
->is_vxworks
&& !bfd_link_pic (info
))
2117 htab
->srelplt2
->size
= sizeof (Elf32_External_Rela
) * 2;
2120 /* The procedure linkage table size is bounded by the magnitude
2121 of the offset we can describe in the entry. */
2122 if (s
->size
>= (SPARC_ELF_WORD_BYTES(htab
) == 8 ?
2123 (((bfd_vma
)1 << 31) << 1) : 0x400000))
2125 bfd_set_error (bfd_error_bad_value
);
2129 if (SPARC_ELF_WORD_BYTES(htab
) == 8
2130 && s
->size
>= PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
2132 bfd_vma off
= s
->size
- PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
;
2135 off
= (off
% (160 * PLT64_ENTRY_SIZE
)) / PLT64_ENTRY_SIZE
;
2137 h
->plt
.offset
= (s
->size
- (off
* 8));
2140 h
->plt
.offset
= s
->size
;
2142 /* If this symbol is not defined in a regular file, and we are
2143 not generating a shared library, then set the symbol to this
2144 location in the .plt. This is required to make function
2145 pointers compare as equal between the normal executable and
2146 the shared library. */
2147 if (! bfd_link_pic (info
)
2150 h
->root
.u
.def
.section
= s
;
2151 h
->root
.u
.def
.value
= h
->plt
.offset
;
2154 /* Make room for this entry. */
2155 s
->size
+= htab
->plt_entry_size
;
2157 /* There should be no PLT relocations against resolved undefined
2158 weak symbols in the executable. */
2159 if (!resolved_to_zero
)
2161 /* We also need to make an entry in the .rela.plt section. */
2162 if (s
== htab
->elf
.splt
)
2163 htab
->elf
.srelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2165 htab
->elf
.irelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2168 if (htab
->is_vxworks
)
2170 /* Allocate space for the .got.plt entry. */
2171 htab
->elf
.sgotplt
->size
+= 4;
2173 /* ...and for the .rela.plt.unloaded relocations. */
2174 if (!bfd_link_pic (info
))
2175 htab
->srelplt2
->size
+= sizeof (Elf32_External_Rela
) * 3;
2180 h
->plt
.offset
= (bfd_vma
) -1;
2186 h
->plt
.offset
= (bfd_vma
) -1;
2190 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2191 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2192 if (h
->got
.refcount
> 0
2193 && bfd_link_executable (info
)
2195 && _bfd_sparc_elf_hash_entry(h
)->tls_type
== GOT_TLS_IE
)
2196 h
->got
.offset
= (bfd_vma
) -1;
2197 else if (h
->got
.refcount
> 0)
2201 int tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
2203 /* Undefined weak syms won't yet be marked as dynamic. */
2204 if (h
->root
.type
== bfd_link_hash_undefweak
2205 && !resolved_to_zero
2207 && !h
->forced_local
)
2209 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2214 h
->got
.offset
= s
->size
;
2215 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2216 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2217 if (tls_type
== GOT_TLS_GD
)
2218 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2219 dyn
= htab
->elf
.dynamic_sections_created
;
2220 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2221 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
2222 if ((tls_type
== GOT_TLS_GD
&& h
->dynindx
== -1)
2223 || tls_type
== GOT_TLS_IE
2224 || h
->type
== STT_GNU_IFUNC
)
2225 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2226 else if (tls_type
== GOT_TLS_GD
)
2227 htab
->elf
.srelgot
->size
+= 2 * SPARC_ELF_RELA_BYTES (htab
);
2228 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
, bfd_link_pic (info
), h
)
2229 /* Even if the symbol isn't dynamic, we may generate a
2230 reloc for the dynamic linker in PIC mode. */
2231 || (h
->dynindx
== -1
2233 && h
->root
.type
!= bfd_link_hash_undefweak
2234 && bfd_link_pic (info
)))
2235 /* No dynamic relocations are needed against resolved
2236 undefined weak symbols in an executable. */
2237 && !(h
->root
.type
== bfd_link_hash_undefweak
2238 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2239 || resolved_to_zero
)))
2240 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2243 h
->got
.offset
= (bfd_vma
) -1;
2245 if (eh
->dyn_relocs
== NULL
)
2248 /* In the shared -Bsymbolic case, discard space allocated for
2249 dynamic pc-relative relocs against symbols which turn out to be
2250 defined in regular objects. For the normal shared case, discard
2251 space for pc-relative relocs that have become local due to symbol
2252 visibility changes. */
2254 if (bfd_link_pic (info
))
2256 if (SYMBOL_CALLS_LOCAL (info
, h
))
2258 struct elf_dyn_relocs
**pp
;
2260 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2262 p
->count
-= p
->pc_count
;
2271 if (htab
->is_vxworks
)
2273 struct elf_dyn_relocs
**pp
;
2275 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2277 if (strcmp (p
->sec
->output_section
->name
, ".tls_vars") == 0)
2284 /* Also discard relocs on undefined weak syms with non-default
2285 visibility or in PIE. */
2286 if (eh
->dyn_relocs
!= NULL
2287 && h
->root
.type
== bfd_link_hash_undefweak
)
2289 /* An undefined weak symbol is never
2290 bound locally in a shared library. */
2292 if (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2293 || resolved_to_zero
)
2297 /* Keep dynamic non-GOT/non-PLT relocation so that we
2298 can branch to 0 without PLT. */
2299 struct elf_dyn_relocs
**pp
;
2301 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
;)
2302 if (p
->pc_count
== 0)
2306 /* Remove other relocations. */
2307 p
->count
= p
->pc_count
;
2311 if (eh
->dyn_relocs
!= NULL
)
2313 /* Make sure undefined weak symbols are output
2314 as dynamic symbols in PIEs for dynamic non-GOT
2315 non-PLT reloations. */
2316 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2321 eh
->dyn_relocs
= NULL
;
2324 /* Make sure undefined weak symbols are output as a dynamic
2326 else if (h
->dynindx
== -1
2327 && !h
->forced_local
)
2329 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2336 /* For the non-shared case, discard space for relocs against
2337 symbols which turn out to need copy relocs or are not
2340 if ((!h
->non_got_ref
2341 || (h
->root
.type
== bfd_link_hash_undefweak
2342 && !resolved_to_zero
))
2345 || (htab
->elf
.dynamic_sections_created
2346 && (h
->root
.type
== bfd_link_hash_undefweak
2347 || h
->root
.type
== bfd_link_hash_undefined
))))
2349 /* Undefined weak syms won't yet be marked as dynamic. */
2350 if (h
->root
.type
== bfd_link_hash_undefweak
2351 && !resolved_to_zero
2353 && !h
->forced_local
)
2355 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2359 /* If that succeeded, we know we'll be keeping all the
2361 if (h
->dynindx
!= -1)
2365 eh
->dyn_relocs
= NULL
;
2370 /* Finally, allocate space. */
2371 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2373 asection
*sreloc
= elf_section_data (p
->sec
)->sreloc
;
2374 sreloc
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2380 /* Allocate space in .plt, .got and associated reloc sections for
2381 local dynamic relocs. */
2384 allocate_local_dynrelocs (void **slot
, void *inf
)
2386 struct elf_link_hash_entry
*h
2387 = (struct elf_link_hash_entry
*) *slot
;
2389 if (h
->type
!= STT_GNU_IFUNC
2393 || h
->root
.type
!= bfd_link_hash_defined
)
2396 return allocate_dynrelocs (h
, inf
);
2399 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2400 read-only sections. */
2403 maybe_set_textrel (struct elf_link_hash_entry
*h
, void *info_p
)
2407 if (h
->root
.type
== bfd_link_hash_indirect
)
2410 sec
= readonly_dynrelocs (h
);
2413 struct bfd_link_info
*info
= (struct bfd_link_info
*) info_p
;
2415 info
->flags
|= DF_TEXTREL
;
2416 info
->callbacks
->minfo
2417 (_("%B: dynamic relocation against `%T' in read-only section `%A'\n"),
2418 sec
->owner
, h
->root
.root
.string
, sec
);
2420 /* Not an error, just cut short the traversal. */
2426 /* Return true if the dynamic symbol for a given section should be
2427 omitted when creating a shared library. */
2430 _bfd_sparc_elf_omit_section_dynsym (bfd
*output_bfd
,
2431 struct bfd_link_info
*info
,
2434 /* We keep the .got section symbol so that explicit relocations
2435 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2436 can be turned into relocations against the .got symbol. */
2437 if (strcmp (p
->name
, ".got") == 0)
2440 return _bfd_elf_link_omit_section_dynsym (output_bfd
, info
, p
);
2443 /* Set the sizes of the dynamic sections. */
2446 _bfd_sparc_elf_size_dynamic_sections (bfd
*output_bfd
,
2447 struct bfd_link_info
*info
)
2449 struct _bfd_sparc_elf_link_hash_table
*htab
;
2454 htab
= _bfd_sparc_elf_hash_table (info
);
2455 BFD_ASSERT (htab
!= NULL
);
2456 dynobj
= htab
->elf
.dynobj
;
2457 BFD_ASSERT (dynobj
!= NULL
);
2459 if (elf_hash_table (info
)->dynamic_sections_created
)
2461 /* Set the contents of the .interp section to the interpreter. */
2462 if (bfd_link_executable (info
) && !info
->nointerp
)
2464 s
= bfd_get_linker_section (dynobj
, ".interp");
2465 BFD_ASSERT (s
!= NULL
);
2466 s
->size
= htab
->dynamic_interpreter_size
;
2467 s
->contents
= (unsigned char *) htab
->dynamic_interpreter
;
2472 /* Set up .got offsets for local syms, and space for local dynamic
2474 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2476 bfd_signed_vma
*local_got
;
2477 bfd_signed_vma
*end_local_got
;
2478 char *local_tls_type
;
2479 bfd_size_type locsymcount
;
2480 Elf_Internal_Shdr
*symtab_hdr
;
2483 if (! is_sparc_elf (ibfd
))
2486 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2488 struct elf_dyn_relocs
*p
;
2490 for (p
= elf_section_data (s
)->local_dynrel
; p
!= NULL
; p
= p
->next
)
2492 if (!bfd_is_abs_section (p
->sec
)
2493 && bfd_is_abs_section (p
->sec
->output_section
))
2495 /* Input section has been discarded, either because
2496 it is a copy of a linkonce section or due to
2497 linker script /DISCARD/, so we'll be discarding
2500 else if (htab
->is_vxworks
2501 && strcmp (p
->sec
->output_section
->name
,
2504 /* Relocations in vxworks .tls_vars sections are
2505 handled specially by the loader. */
2507 else if (p
->count
!= 0)
2509 srel
= elf_section_data (p
->sec
)->sreloc
;
2510 if (!htab
->elf
.dynamic_sections_created
)
2511 srel
= htab
->elf
.irelplt
;
2512 srel
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2513 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2515 info
->flags
|= DF_TEXTREL
;
2516 info
->callbacks
->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
2517 p
->sec
->owner
, p
->sec
);
2523 local_got
= elf_local_got_refcounts (ibfd
);
2527 symtab_hdr
= &elf_symtab_hdr (ibfd
);
2528 locsymcount
= symtab_hdr
->sh_info
;
2529 end_local_got
= local_got
+ locsymcount
;
2530 local_tls_type
= _bfd_sparc_elf_local_got_tls_type (ibfd
);
2532 srel
= htab
->elf
.srelgot
;
2533 for (; local_got
< end_local_got
; ++local_got
, ++local_tls_type
)
2537 *local_got
= s
->size
;
2538 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2539 if (*local_tls_type
== GOT_TLS_GD
)
2540 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2541 if (bfd_link_pic (info
)
2542 || *local_tls_type
== GOT_TLS_GD
2543 || *local_tls_type
== GOT_TLS_IE
)
2544 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2547 *local_got
= (bfd_vma
) -1;
2551 if (htab
->tls_ldm_got
.refcount
> 0)
2553 /* Allocate 2 got entries and 1 dynamic reloc for
2554 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2555 htab
->tls_ldm_got
.offset
= htab
->elf
.sgot
->size
;
2556 htab
->elf
.sgot
->size
+= (2 * SPARC_ELF_WORD_BYTES (htab
));
2557 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2560 htab
->tls_ldm_got
.offset
= -1;
2562 /* Allocate global sym .plt and .got entries, and space for global
2563 sym dynamic relocs. */
2564 elf_link_hash_traverse (&htab
->elf
, allocate_dynrelocs
, info
);
2566 /* Allocate .plt and .got entries, and space for local symbols. */
2567 htab_traverse (htab
->loc_hash_table
, allocate_local_dynrelocs
, info
);
2569 if (! ABI_64_P (output_bfd
)
2570 && !htab
->is_vxworks
2571 && elf_hash_table (info
)->dynamic_sections_created
)
2573 /* Make space for the trailing nop in .plt. */
2574 if (htab
->elf
.splt
->size
> 0)
2575 htab
->elf
.splt
->size
+= 1 * SPARC_INSN_BYTES
;
2577 /* If the .got section is more than 0x1000 bytes, we add
2578 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2579 bit relocations have a greater chance of working.
2581 FIXME: Make this optimization work for 64-bit too. */
2582 if (htab
->elf
.sgot
->size
>= 0x1000
2583 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
2584 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
2587 /* The check_relocs and adjust_dynamic_symbol entry points have
2588 determined the sizes of the various dynamic sections. Allocate
2590 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2592 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2595 if (s
== htab
->elf
.splt
2596 || s
== htab
->elf
.sgot
2597 || s
== htab
->elf
.sdynbss
2598 || s
== htab
->elf
.sdynrelro
2599 || s
== htab
->elf
.iplt
2600 || s
== htab
->elf
.sgotplt
)
2602 /* Strip this section if we don't need it; see the
2605 else if (CONST_STRNEQ (s
->name
, ".rela"))
2609 /* We use the reloc_count field as a counter if we need
2610 to copy relocs into the output file. */
2616 /* It's not one of our sections. */
2622 /* If we don't need this section, strip it from the
2623 output file. This is mostly to handle .rela.bss and
2624 .rela.plt. We must create both sections in
2625 create_dynamic_sections, because they must be created
2626 before the linker maps input sections to output
2627 sections. The linker does that before
2628 adjust_dynamic_symbol is called, and it is that
2629 function which decides whether anything needs to go
2630 into these sections. */
2631 s
->flags
|= SEC_EXCLUDE
;
2635 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2638 /* Allocate memory for the section contents. Zero the memory
2639 for the benefit of .rela.plt, which has 4 unused entries
2640 at the beginning, and we don't want garbage. */
2641 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
2642 if (s
->contents
== NULL
)
2646 if (elf_hash_table (info
)->dynamic_sections_created
)
2648 /* Add some entries to the .dynamic section. We fill in the
2649 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2650 must add the entries now so that we get the correct size for
2651 the .dynamic section. The DT_DEBUG entry is filled in by the
2652 dynamic linker and used by the debugger. */
2653 #define add_dynamic_entry(TAG, VAL) \
2654 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2656 if (bfd_link_executable (info
))
2658 if (!add_dynamic_entry (DT_DEBUG
, 0))
2662 if (htab
->elf
.srelplt
->size
!= 0)
2664 if (!add_dynamic_entry (DT_PLTGOT
, 0)
2665 || !add_dynamic_entry (DT_PLTRELSZ
, 0)
2666 || !add_dynamic_entry (DT_PLTREL
, DT_RELA
)
2667 || !add_dynamic_entry (DT_JMPREL
, 0))
2671 if (!add_dynamic_entry (DT_RELA
, 0)
2672 || !add_dynamic_entry (DT_RELASZ
, 0)
2673 || !add_dynamic_entry (DT_RELAENT
,
2674 SPARC_ELF_RELA_BYTES (htab
)))
2677 /* If any dynamic relocs apply to a read-only section,
2678 then we need a DT_TEXTREL entry. */
2679 if ((info
->flags
& DF_TEXTREL
) == 0)
2680 elf_link_hash_traverse (&htab
->elf
, maybe_set_textrel
, info
);
2682 if (info
->flags
& DF_TEXTREL
)
2684 if (!add_dynamic_entry (DT_TEXTREL
, 0))
2688 if (ABI_64_P (output_bfd
))
2691 struct _bfd_sparc_elf_app_reg
* app_regs
;
2692 struct elf_strtab_hash
*dynstr
;
2693 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
2695 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2696 entries if needed. */
2697 app_regs
= _bfd_sparc_elf_hash_table (info
)->app_regs
;
2698 dynstr
= eht
->dynstr
;
2700 for (reg
= 0; reg
< 4; reg
++)
2701 if (app_regs
[reg
].name
!= NULL
)
2703 struct elf_link_local_dynamic_entry
*entry
, *e
;
2705 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
2708 entry
= (struct elf_link_local_dynamic_entry
*)
2709 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
2713 /* We cheat here a little bit: the symbol will not be local, so we
2714 put it at the end of the dynlocal linked list. We will fix it
2715 later on, as we have to fix other fields anyway. */
2716 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
2717 entry
->isym
.st_size
= 0;
2718 if (*app_regs
[reg
].name
!= '\0')
2720 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
2722 entry
->isym
.st_name
= 0;
2723 entry
->isym
.st_other
= 0;
2724 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
2726 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
2727 entry
->isym
.st_target_internal
= 0;
2729 entry
->input_bfd
= output_bfd
;
2730 entry
->input_indx
= -1;
2732 if (eht
->dynlocal
== NULL
)
2733 eht
->dynlocal
= entry
;
2736 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
2743 if (htab
->is_vxworks
2744 && !elf_vxworks_add_dynamic_entries (output_bfd
, info
))
2747 #undef add_dynamic_entry
2753 _bfd_sparc_elf_new_section_hook (bfd
*abfd
, asection
*sec
)
2755 if (!sec
->used_by_bfd
)
2757 struct _bfd_sparc_elf_section_data
*sdata
;
2758 bfd_size_type amt
= sizeof (*sdata
);
2760 sdata
= bfd_zalloc (abfd
, amt
);
2763 sec
->used_by_bfd
= sdata
;
2766 return _bfd_elf_new_section_hook (abfd
, sec
);
2770 _bfd_sparc_elf_relax_section (bfd
*abfd ATTRIBUTE_UNUSED
,
2771 struct bfd_section
*section
,
2772 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
,
2775 if (bfd_link_relocatable (link_info
))
2776 (*link_info
->callbacks
->einfo
)
2777 (_("%P%F: --relax and -r may not be used together\n"));
2780 sec_do_relax (section
) = 1;
2784 /* Return the base VMA address which should be subtracted from real addresses
2785 when resolving @dtpoff relocation.
2786 This is PT_TLS segment p_vaddr. */
2789 dtpoff_base (struct bfd_link_info
*info
)
2791 /* If tls_sec is NULL, we should have signalled an error already. */
2792 if (elf_hash_table (info
)->tls_sec
== NULL
)
2794 return elf_hash_table (info
)->tls_sec
->vma
;
2797 /* Return the relocation value for @tpoff relocation
2798 if STT_TLS virtual address is ADDRESS. */
2801 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
2803 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2804 const struct elf_backend_data
*bed
= get_elf_backend_data (info
->output_bfd
);
2805 bfd_vma static_tls_size
;
2807 /* If tls_sec is NULL, we should have signalled an error already. */
2808 if (htab
->tls_sec
== NULL
)
2811 /* Consider special static TLS alignment requirements. */
2812 static_tls_size
= BFD_ALIGN (htab
->tls_size
, bed
->static_tls_alignment
);
2813 return address
- static_tls_size
- htab
->tls_sec
->vma
;
2816 /* Return the relocation value for a %gdop relocation. */
2819 gdopoff (struct bfd_link_info
*info
, bfd_vma address
)
2821 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2824 got_base
= (htab
->hgot
->root
.u
.def
.value
2825 + htab
->hgot
->root
.u
.def
.section
->output_offset
2826 + htab
->hgot
->root
.u
.def
.section
->output_section
->vma
);
2828 return address
- got_base
;
2831 /* Return whether H is local and its ADDRESS is within 4G of
2832 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2833 sethi, xor sequence. */
2836 gdop_relative_offset_ok (struct bfd_link_info
*info
,
2837 struct elf_link_hash_entry
*h
,
2838 bfd_vma address ATTRIBUTE_UNUSED
)
2840 if (!SYMBOL_REFERENCES_LOCAL (info
, h
))
2842 /* If H is undefined, ADDRESS will be zero. We can't allow a
2843 relative offset to "zero" when producing PIEs or shared libs.
2844 Note that to get here with an undefined symbol it must also be
2845 hidden or internal visibility. */
2846 if (bfd_link_pic (info
)
2848 && (h
->root
.type
== bfd_link_hash_undefweak
2849 || h
->root
.type
== bfd_link_hash_undefined
))
2852 return gdopoff (info
, address
) + ((bfd_vma
) 1 << 32) < (bfd_vma
) 2 << 32;
2858 /* Relocate a SPARC ELF section. */
2861 _bfd_sparc_elf_relocate_section (bfd
*output_bfd
,
2862 struct bfd_link_info
*info
,
2864 asection
*input_section
,
2866 Elf_Internal_Rela
*relocs
,
2867 Elf_Internal_Sym
*local_syms
,
2868 asection
**local_sections
)
2870 struct _bfd_sparc_elf_link_hash_table
*htab
;
2871 Elf_Internal_Shdr
*symtab_hdr
;
2872 struct elf_link_hash_entry
**sym_hashes
;
2873 bfd_vma
*local_got_offsets
;
2876 Elf_Internal_Rela
*rel
;
2877 Elf_Internal_Rela
*relend
;
2879 bfd_boolean is_vxworks_tls
;
2881 htab
= _bfd_sparc_elf_hash_table (info
);
2882 BFD_ASSERT (htab
!= NULL
);
2883 symtab_hdr
= &elf_symtab_hdr (input_bfd
);
2884 sym_hashes
= elf_sym_hashes (input_bfd
);
2885 local_got_offsets
= elf_local_got_offsets (input_bfd
);
2887 if (elf_hash_table (info
)->hgot
== NULL
)
2890 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
2892 sreloc
= elf_section_data (input_section
)->sreloc
;
2893 /* We have to handle relocations in vxworks .tls_vars sections
2894 specially, because the dynamic loader is 'weird'. */
2895 is_vxworks_tls
= (htab
->is_vxworks
&& bfd_link_pic (info
)
2896 && !strcmp (input_section
->output_section
->name
,
2900 if (ABI_64_P (output_bfd
))
2901 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section
));
2903 num_relocs
= input_section
->reloc_count
;
2904 relend
= relocs
+ num_relocs
;
2905 for (; rel
< relend
; rel
++)
2907 int r_type
, tls_type
;
2908 reloc_howto_type
*howto
;
2909 unsigned long r_symndx
;
2910 struct elf_link_hash_entry
*h
;
2911 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2912 Elf_Internal_Sym
*sym
;
2914 bfd_vma relocation
, off
;
2915 bfd_reloc_status_type r
;
2916 bfd_boolean is_plt
= FALSE
;
2917 bfd_boolean unresolved_reloc
;
2918 bfd_boolean resolved_to_zero
;
2919 bfd_boolean relative_reloc
;
2921 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
2922 if (r_type
== R_SPARC_GNU_VTINHERIT
2923 || r_type
== R_SPARC_GNU_VTENTRY
)
2926 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
2928 bfd_set_error (bfd_error_bad_value
);
2932 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2933 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
2937 unresolved_reloc
= FALSE
;
2938 if (r_symndx
< symtab_hdr
->sh_info
)
2940 sym
= local_syms
+ r_symndx
;
2941 sec
= local_sections
[r_symndx
];
2942 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
2944 if (!bfd_link_relocatable (info
)
2945 && ELF_ST_TYPE (sym
->st_info
) == STT_GNU_IFUNC
)
2947 /* Relocate against local STT_GNU_IFUNC symbol. */
2948 h
= elf_sparc_get_local_sym_hash (htab
, input_bfd
,
2953 /* Set STT_GNU_IFUNC symbol value. */
2954 h
->root
.u
.def
.value
= sym
->st_value
;
2955 h
->root
.u
.def
.section
= sec
;
2960 bfd_boolean warned
, ignored
;
2962 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
2963 r_symndx
, symtab_hdr
, sym_hashes
,
2965 unresolved_reloc
, warned
, ignored
);
2968 /* To avoid generating warning messages about truncated
2969 relocations, set the relocation's address to be the same as
2970 the start of this section. */
2971 if (input_section
->output_section
!= NULL
)
2972 relocation
= input_section
->output_section
->vma
;
2978 if (sec
!= NULL
&& discarded_section (sec
))
2979 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
2980 rel
, 1, relend
, howto
, 0, contents
);
2982 if (bfd_link_relocatable (info
))
2986 && h
->type
== STT_GNU_IFUNC
2992 if ((input_section
->flags
& SEC_ALLOC
) == 0
2993 || h
->plt
.offset
== (bfd_vma
) -1)
2996 plt_sec
= htab
->elf
.splt
;
2998 plt_sec
=htab
->elf
.iplt
;
3002 case R_SPARC_GOTDATA_OP
:
3005 case R_SPARC_GOTDATA_OP_HIX22
:
3006 case R_SPARC_GOTDATA_OP_LOX10
:
3007 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3010 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3016 if (htab
->elf
.sgot
== NULL
)
3018 off
= h
->got
.offset
;
3019 if (off
== (bfd_vma
) -1)
3021 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3024 case R_SPARC_WPLT30
:
3025 case R_SPARC_WDISP30
:
3026 relocation
= (plt_sec
->output_section
->vma
3027 + plt_sec
->output_offset
+ h
->plt
.offset
);
3032 if (bfd_link_pic (info
) && h
->non_got_ref
)
3034 Elf_Internal_Rela outrel
;
3037 offset
= _bfd_elf_section_offset (output_bfd
, info
,
3040 if (offset
== (bfd_vma
) -1
3041 || offset
== (bfd_vma
) -2)
3044 outrel
.r_offset
= (input_section
->output_section
->vma
3045 + input_section
->output_offset
3048 if (h
->dynindx
== -1
3050 || bfd_link_executable (info
))
3052 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3053 0, R_SPARC_IRELATIVE
);
3054 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3058 if (h
->dynindx
== -1)
3060 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3061 outrel
.r_addend
= rel
->r_addend
;
3064 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3068 relocation
= (plt_sec
->output_section
->vma
3069 + plt_sec
->output_offset
+ h
->plt
.offset
);
3074 /* We should only see such relocs in static links. */
3075 if (bfd_link_pic (info
))
3077 relocation
= (plt_sec
->output_section
->vma
3078 + plt_sec
->output_offset
+ h
->plt
.offset
);
3082 if (h
->root
.root
.string
)
3083 name
= h
->root
.root
.string
;
3085 name
= bfd_elf_sym_name (input_bfd
, symtab_hdr
, sym
,
3088 /* xgettext:c-format */
3089 (_("%B: relocation %s against STT_GNU_IFUNC "
3090 "symbol `%s' isn't handled by %s"), input_bfd
,
3091 _bfd_sparc_elf_howto_table
[r_type
].name
,
3092 name
, __FUNCTION__
);
3093 bfd_set_error (bfd_error_bad_value
);
3098 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
3099 resolved_to_zero
= eh
&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
3103 case R_SPARC_GOTDATA_OP_HIX22
:
3104 case R_SPARC_GOTDATA_OP_LOX10
:
3105 if (gdop_relative_offset_ok (info
, h
, relocation
))
3107 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3108 ? R_SPARC_GOTDATA_HIX22
3109 : R_SPARC_GOTDATA_LOX10
);
3110 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3114 case R_SPARC_GOTDATA_OP
:
3115 if (gdop_relative_offset_ok (info
, h
, relocation
))
3117 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3119 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3120 relocation
= 0x80000000 | (insn
& 0x3e07c01f);
3121 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3123 /* If the symbol is global but not dynamic, an .rela.* slot has
3124 been allocated for it in the GOT so output R_SPARC_NONE here.
3125 See also the handling of other GOT relocations just below. */
3129 && h
->root
.type
!= bfd_link_hash_undefweak
3130 && (h
->got
.offset
& 1) == 0
3131 && bfd_link_pic (info
))
3133 asection
*s
= htab
->elf
.srelgot
;
3134 Elf_Internal_Rela outrel
;
3136 BFD_ASSERT (s
!= NULL
);
3138 memset (&outrel
, 0, sizeof outrel
);
3139 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3148 case R_SPARC_GOTDATA_HIX22
:
3149 case R_SPARC_GOTDATA_LOX10
:
3150 relocation
= gdopoff (info
, relocation
);
3153 case R_SPARC_GOTDATA_OP_HIX22
:
3154 case R_SPARC_GOTDATA_OP_LOX10
:
3158 /* Relocation is to the entry for this symbol in the global
3160 if (htab
->elf
.sgot
== NULL
)
3163 relative_reloc
= FALSE
;
3168 off
= h
->got
.offset
;
3169 BFD_ASSERT (off
!= (bfd_vma
) -1);
3170 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
3172 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
3173 bfd_link_pic (info
),
3175 || (bfd_link_pic (info
)
3176 && SYMBOL_REFERENCES_LOCAL (info
, h
)))
3178 /* This is actually a static link, or it is a
3179 -Bsymbolic link and the symbol is defined
3180 locally, or the symbol was forced to be local
3181 because of a version file. We must initialize
3182 this entry in the global offset table. Since the
3183 offset must always be a multiple of 8 for 64-bit
3184 and 4 for 32-bit, we use the least significant bit
3185 to record whether we have initialized it already.
3187 When doing a dynamic link, we create a .rela.got
3188 relocation entry to initialize the value. This
3189 is done in the finish_dynamic_symbol routine. */
3194 /* If this symbol isn't dynamic in PIC mode, treat it
3195 like a local symbol in PIC mode below. */
3196 if (h
->dynindx
== -1
3198 && h
->root
.type
!= bfd_link_hash_undefweak
3199 && bfd_link_pic (info
))
3200 relative_reloc
= TRUE
;
3202 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3203 htab
->elf
.sgot
->contents
+ off
);
3208 unresolved_reloc
= FALSE
;
3212 BFD_ASSERT (local_got_offsets
!= NULL
3213 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
3215 off
= local_got_offsets
[r_symndx
];
3217 /* The offset must always be a multiple of 8 on 64-bit and
3218 4 on 32-bit. We use the least significant bit to record
3219 whether we have already processed this entry. */
3224 /* For a local symbol in PIC mode, we need to generate a
3225 R_SPARC_RELATIVE reloc for the dynamic linker. */
3226 if (bfd_link_pic (info
))
3227 relative_reloc
= TRUE
;
3229 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3230 htab
->elf
.sgot
->contents
+ off
);
3231 local_got_offsets
[r_symndx
] |= 1;
3237 asection
*s
= htab
->elf
.srelgot
;
3238 Elf_Internal_Rela outrel
;
3240 BFD_ASSERT (s
!= NULL
);
3242 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3243 + htab
->elf
.sgot
->output_offset
3245 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3246 0, R_SPARC_RELATIVE
);
3247 outrel
.r_addend
= relocation
;
3248 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3249 /* Versions of glibc ld.so at least up to 2.26 wrongly
3250 add the section contents to the value calculated for
3251 a RELATIVE reloc. Zero the contents to work around
3254 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3255 htab
->elf
.sgot
->contents
+ off
);
3258 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3263 if (h
== NULL
|| h
->plt
.offset
== (bfd_vma
) -1)
3265 r_type
= (r_type
== R_SPARC_PLT32
) ? R_SPARC_32
: R_SPARC_64
;
3270 case R_SPARC_WPLT30
:
3271 case R_SPARC_HIPLT22
:
3272 case R_SPARC_LOPLT10
:
3273 case R_SPARC_PCPLT32
:
3274 case R_SPARC_PCPLT22
:
3275 case R_SPARC_PCPLT10
:
3277 /* Relocation is to the entry for this symbol in the
3278 procedure linkage table. */
3280 if (! ABI_64_P (output_bfd
))
3282 /* The Solaris native assembler will generate a WPLT30 reloc
3283 for a local symbol if you assemble a call from one
3284 section to another when using -K pic. We treat it as
3289 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3290 else if (r_type
== R_SPARC_WPLT30
&& h
== NULL
)
3294 BFD_ASSERT (h
!= NULL
);
3297 if (h
->plt
.offset
== (bfd_vma
) -1 || htab
->elf
.splt
== NULL
)
3299 /* We didn't make a PLT entry for this symbol. This
3300 happens when statically linking PIC code, or when
3301 using -Bsymbolic. */
3305 relocation
= (htab
->elf
.splt
->output_section
->vma
3306 + htab
->elf
.splt
->output_offset
3308 unresolved_reloc
= FALSE
;
3309 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
3311 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
3319 case R_SPARC_PC_HH22
:
3320 case R_SPARC_PC_HM10
:
3321 case R_SPARC_PC_LM22
:
3323 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
3327 case R_SPARC_DISP16
:
3328 case R_SPARC_DISP32
:
3329 case R_SPARC_DISP64
:
3330 case R_SPARC_WDISP30
:
3331 case R_SPARC_WDISP22
:
3332 case R_SPARC_WDISP19
:
3333 case R_SPARC_WDISP16
:
3334 case R_SPARC_WDISP10
:
3362 if ((input_section
->flags
& SEC_ALLOC
) == 0 || is_vxworks_tls
)
3365 /* Copy dynamic function pointer relocations. Don't generate
3366 dynamic relocations against resolved undefined weak symbols
3368 if ((bfd_link_pic (info
)
3370 || !(h
->root
.type
== bfd_link_hash_undefweak
3371 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
3372 || resolved_to_zero
)))
3373 && (! howto
->pc_relative
3374 || !SYMBOL_CALLS_LOCAL (info
, h
)))
3375 || (!bfd_link_pic (info
)
3381 || (h
->root
.type
== bfd_link_hash_undefweak
3382 && !resolved_to_zero
)
3383 || h
->root
.type
== bfd_link_hash_undefined
)))
3385 Elf_Internal_Rela outrel
;
3386 bfd_boolean skip
, relocate
= FALSE
;
3388 /* When generating a shared object, these relocations
3389 are copied into the output file to be resolved at run
3392 BFD_ASSERT (sreloc
!= NULL
);
3397 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3399 if (outrel
.r_offset
== (bfd_vma
) -1)
3401 else if (outrel
.r_offset
== (bfd_vma
) -2)
3402 skip
= TRUE
, relocate
= TRUE
;
3403 outrel
.r_offset
+= (input_section
->output_section
->vma
3404 + input_section
->output_offset
);
3406 /* Optimize unaligned reloc usage now that we know where
3407 it finally resides. */
3411 if (outrel
.r_offset
& 1)
3412 r_type
= R_SPARC_UA16
;
3415 if (!(outrel
.r_offset
& 1))
3416 r_type
= R_SPARC_16
;
3419 if (outrel
.r_offset
& 3)
3420 r_type
= R_SPARC_UA32
;
3423 if (!(outrel
.r_offset
& 3))
3424 r_type
= R_SPARC_32
;
3427 if (outrel
.r_offset
& 7)
3428 r_type
= R_SPARC_UA64
;
3431 if (!(outrel
.r_offset
& 7))
3432 r_type
= R_SPARC_64
;
3435 case R_SPARC_DISP16
:
3436 case R_SPARC_DISP32
:
3437 case R_SPARC_DISP64
:
3438 /* If the symbol is not dynamic, we should not keep
3439 a dynamic relocation. But an .rela.* slot has been
3440 allocated for it, output R_SPARC_NONE.
3441 FIXME: Add code tracking needed dynamic relocs as
3443 if (h
->dynindx
== -1)
3444 skip
= TRUE
, relocate
= TRUE
;
3449 memset (&outrel
, 0, sizeof outrel
);
3450 /* h->dynindx may be -1 if the symbol was marked to
3454 && (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
3455 || !bfd_link_pic (info
)
3456 || !SYMBOLIC_BIND (info
, h
)
3457 || !h
->def_regular
))
3459 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3460 outrel
.r_addend
= rel
->r_addend
;
3464 if ( (!ABI_64_P (output_bfd
) && r_type
== R_SPARC_32
)
3465 || (ABI_64_P (output_bfd
) && r_type
== R_SPARC_64
))
3467 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3468 0, R_SPARC_RELATIVE
);
3469 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3475 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3478 sec
= htab
->elf
.splt
;
3480 if (bfd_is_abs_section (sec
))
3482 else if (sec
== NULL
|| sec
->owner
== NULL
)
3484 bfd_set_error (bfd_error_bad_value
);
3491 /* We are turning this relocation into one
3492 against a section symbol. It would be
3493 proper to subtract the symbol's value,
3494 osec->vma, from the emitted reloc addend,
3495 but ld.so expects buggy relocs. */
3496 osec
= sec
->output_section
;
3497 indx
= elf_section_data (osec
)->dynindx
;
3501 osec
= htab
->elf
.text_index_section
;
3502 indx
= elf_section_data (osec
)->dynindx
;
3505 /* FIXME: we really should be able to link non-pic
3506 shared libraries. */
3511 (_("%B: probably compiled without -fPIC?"),
3513 bfd_set_error (bfd_error_bad_value
);
3518 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, indx
,
3523 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3525 /* This reloc will be computed at runtime, so there's no
3526 need to do anything now. */
3532 case R_SPARC_TLS_GD_HI22
:
3533 case R_SPARC_TLS_GD_LO10
:
3534 case R_SPARC_TLS_IE_HI22
:
3535 case R_SPARC_TLS_IE_LO10
:
3536 r_type
= sparc_elf_tls_transition (info
, input_bfd
, r_type
,
3537 h
== NULL
|| h
->dynindx
== -1);
3538 if (r_type
== R_SPARC_REV32
)
3541 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3542 else if (local_got_offsets
)
3543 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3545 tls_type
= GOT_UNKNOWN
;
3546 if (tls_type
== GOT_TLS_IE
)
3549 case R_SPARC_TLS_GD_HI22
:
3550 r_type
= R_SPARC_TLS_IE_HI22
;
3552 case R_SPARC_TLS_GD_LO10
:
3553 r_type
= R_SPARC_TLS_IE_LO10
;
3557 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3559 relocation
= tpoff (info
, relocation
);
3562 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3564 /* Change add into xor. */
3565 relocation
= tpoff (info
, relocation
);
3566 bfd_put_32 (output_bfd
, (bfd_get_32 (input_bfd
,
3567 contents
+ rel
->r_offset
)
3568 | 0x80182000), contents
+ rel
->r_offset
);
3574 off
= h
->got
.offset
;
3579 BFD_ASSERT (local_got_offsets
!= NULL
);
3580 off
= local_got_offsets
[r_symndx
];
3581 local_got_offsets
[r_symndx
] |= 1;
3585 if (htab
->elf
.sgot
== NULL
)
3592 Elf_Internal_Rela outrel
;
3595 if (htab
->elf
.srelgot
== NULL
)
3598 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3599 htab
->elf
.sgot
->contents
+ off
);
3600 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3601 + htab
->elf
.sgot
->output_offset
+ off
);
3602 indx
= h
&& h
->dynindx
!= -1 ? h
->dynindx
: 0;
3603 if (r_type
== R_SPARC_TLS_IE_HI22
3604 || r_type
== R_SPARC_TLS_IE_LO10
)
3605 dr_type
= SPARC_ELF_TPOFF_RELOC (htab
);
3607 dr_type
= SPARC_ELF_DTPMOD_RELOC (htab
);
3608 if (dr_type
== SPARC_ELF_TPOFF_RELOC (htab
) && indx
== 0)
3609 outrel
.r_addend
= relocation
- dtpoff_base (info
);
3611 outrel
.r_addend
= 0;
3612 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
, dr_type
);
3613 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
, &outrel
);
3615 if (r_type
== R_SPARC_TLS_GD_HI22
3616 || r_type
== R_SPARC_TLS_GD_LO10
)
3620 BFD_ASSERT (! unresolved_reloc
);
3621 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
3622 relocation
- dtpoff_base (info
),
3623 (htab
->elf
.sgot
->contents
+ off
3624 + SPARC_ELF_WORD_BYTES (htab
)));
3628 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3629 (htab
->elf
.sgot
->contents
+ off
3630 + SPARC_ELF_WORD_BYTES (htab
)));
3631 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
,
3632 SPARC_ELF_DTPOFF_RELOC (htab
));
3633 outrel
.r_offset
+= SPARC_ELF_WORD_BYTES (htab
);
3634 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
,
3638 else if (dr_type
== SPARC_ELF_DTPMOD_RELOC (htab
))
3640 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3641 (htab
->elf
.sgot
->contents
+ off
3642 + SPARC_ELF_WORD_BYTES (htab
)));
3646 if (off
>= (bfd_vma
) -2)
3649 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3650 unresolved_reloc
= FALSE
;
3651 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3654 case R_SPARC_TLS_LDM_HI22
:
3655 case R_SPARC_TLS_LDM_LO10
:
3657 if (bfd_link_executable (info
))
3659 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3662 off
= htab
->tls_ldm_got
.offset
;
3663 htab
->tls_ldm_got
.offset
|= 1;
3664 goto r_sparc_tlsldm
;
3666 case R_SPARC_TLS_LDO_HIX22
:
3667 case R_SPARC_TLS_LDO_LOX10
:
3669 if (bfd_link_executable (info
))
3671 if (r_type
== R_SPARC_TLS_LDO_HIX22
)
3672 r_type
= R_SPARC_TLS_LE_HIX22
;
3674 r_type
= R_SPARC_TLS_LE_LOX10
;
3678 relocation
-= dtpoff_base (info
);
3683 case R_SPARC_TLS_LE_HIX22
:
3684 case R_SPARC_TLS_LE_LOX10
:
3685 if (!bfd_link_executable (info
))
3687 Elf_Internal_Rela outrel
;
3689 = _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3691 if (offset
== (bfd_vma
) -1 || offset
== (bfd_vma
) -2)
3692 memset (&outrel
, 0, sizeof outrel
);
3695 outrel
.r_offset
= offset
3696 + input_section
->output_section
->vma
3697 + input_section
->output_offset
;
3698 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, r_type
);
3700 = relocation
- dtpoff_base (info
) + rel
->r_addend
;
3703 BFD_ASSERT (sreloc
!= NULL
);
3704 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3707 relocation
= tpoff (info
, relocation
);
3710 case R_SPARC_TLS_LDM_CALL
:
3712 if (bfd_link_executable (info
))
3715 bfd_put_32 (output_bfd
, 0x90100000, contents
+ rel
->r_offset
);
3720 case R_SPARC_TLS_GD_CALL
:
3722 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3723 else if (local_got_offsets
)
3724 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3726 tls_type
= GOT_UNKNOWN
;
3727 /* GD -> IE or LE */
3728 if (bfd_link_executable (info
)
3729 || (r_type
== R_SPARC_TLS_GD_CALL
&& tls_type
== GOT_TLS_IE
))
3731 Elf_Internal_Rela
*rel2
;
3735 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3737 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3742 if (rel
+ 1 < relend
3743 && SPARC_ELF_R_TYPE (rel
[1].r_info
) == R_SPARC_TLS_GD_ADD
3744 && rel
[1].r_offset
== rel
->r_offset
+ 4
3745 && SPARC_ELF_R_SYMNDX (htab
, rel
[1].r_info
) == r_symndx
3746 && (((insn
= bfd_get_32 (input_bfd
,
3747 contents
+ rel
[1].r_offset
))
3748 >> 25) & 0x1f) == 8)
3751 call __tls_get_addr, %tgd_call(foo)
3752 add %reg1, %reg2, %o0, %tgd_add(foo)
3753 and change it into IE:
3754 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3755 add %g7, %o0, %o0, %tie_add(foo).
3756 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3757 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3758 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3759 bfd_put_32 (output_bfd
, insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000),
3760 contents
+ rel
->r_offset
);
3761 bfd_put_32 (output_bfd
, 0x9001c008,
3762 contents
+ rel
->r_offset
+ 4);
3767 /* We cannot just overwrite the delay slot instruction,
3768 as it might be what puts the %o0 argument to
3769 __tls_get_addr into place. So we have to transpose
3770 the delay slot with the add we patch in. */
3771 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3772 bfd_put_32 (output_bfd
, insn
,
3773 contents
+ rel
->r_offset
);
3774 bfd_put_32 (output_bfd
, 0x9001c008,
3775 contents
+ rel
->r_offset
+ 4);
3778 while ((rel2
= sparc_elf_find_reloc_at_ofs (rel2
+ 1, relend
,
3782 /* If the instruction we moved has a relocation attached to
3783 it, adjust the offset so that it will apply to the correct
3785 rel2
->r_offset
-= 4;
3790 h
= (struct elf_link_hash_entry
*)
3791 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
3793 BFD_ASSERT (h
!= NULL
);
3794 r_type
= R_SPARC_WPLT30
;
3795 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3796 goto r_sparc_wplt30
;
3798 case R_SPARC_TLS_GD_ADD
:
3800 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3801 else if (local_got_offsets
)
3802 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3804 tls_type
= GOT_UNKNOWN
;
3805 /* GD -> IE or LE */
3806 if (bfd_link_executable (info
) || tls_type
== GOT_TLS_IE
)
3808 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3810 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3812 add %g7, %reg2, %reg3. */
3813 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3814 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3815 relocation
= (insn
& ~0x7c000) | 0x1c000;
3817 relocation
= insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000);
3818 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3822 case R_SPARC_TLS_LDM_ADD
:
3824 if (bfd_link_executable (info
))
3825 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3828 case R_SPARC_TLS_LDO_ADD
:
3830 if (bfd_link_executable (info
))
3832 /* Change rs1 into %g7. */
3833 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3834 insn
= (insn
& ~0x7c000) | 0x1c000;
3835 bfd_put_32 (output_bfd
, insn
, contents
+ rel
->r_offset
);
3839 case R_SPARC_TLS_IE_LD
:
3840 case R_SPARC_TLS_IE_LDX
:
3842 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3844 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3845 int rs2
= insn
& 0x1f;
3846 int rd
= (insn
>> 25) & 0x1f;
3849 relocation
= SPARC_NOP
;
3851 relocation
= 0x80100000 | (insn
& 0x3e00001f);
3852 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3856 case R_SPARC_TLS_IE_ADD
:
3857 /* Totally useless relocation. */
3860 case R_SPARC_TLS_DTPOFF32
:
3861 case R_SPARC_TLS_DTPOFF64
:
3862 relocation
-= dtpoff_base (info
);
3869 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3870 because such sections are not SEC_ALLOC and thus ld.so will
3871 not process them. */
3872 if (unresolved_reloc
3873 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
3875 && _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3876 rel
->r_offset
) != (bfd_vma
) -1)
3878 /* xgettext:c-format */
3879 (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
3884 h
->root
.root
.string
);
3886 r
= bfd_reloc_continue
;
3887 if (r_type
== R_SPARC_OLO10
)
3891 if (! ABI_64_P (output_bfd
))
3894 relocation
+= rel
->r_addend
;
3895 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
3897 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3898 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
3899 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3901 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3902 howto
->bitsize
, howto
->rightshift
,
3903 bfd_arch_bits_per_address (input_bfd
),
3906 else if (r_type
== R_SPARC_WDISP16
)
3910 relocation
+= rel
->r_addend
;
3911 relocation
-= (input_section
->output_section
->vma
3912 + input_section
->output_offset
);
3913 relocation
-= rel
->r_offset
;
3915 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3916 x
|= ((((relocation
>> 2) & 0xc000) << 6)
3917 | ((relocation
>> 2) & 0x3fff));
3918 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3920 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3921 howto
->bitsize
, howto
->rightshift
,
3922 bfd_arch_bits_per_address (input_bfd
),
3925 else if (r_type
== R_SPARC_WDISP10
)
3929 relocation
+= rel
->r_addend
;
3930 relocation
-= (input_section
->output_section
->vma
3931 + input_section
->output_offset
);
3932 relocation
-= rel
->r_offset
;
3934 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3935 x
|= ((((relocation
>> 2) & 0x300) << 11)
3936 | (((relocation
>> 2) & 0xff) << 5));
3937 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3939 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3940 howto
->bitsize
, howto
->rightshift
,
3941 bfd_arch_bits_per_address (input_bfd
),
3944 else if (r_type
== R_SPARC_REV32
)
3948 relocation
= relocation
+ rel
->r_addend
;
3950 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3952 bfd_putl32 (/*input_bfd,*/ x
, contents
+ rel
->r_offset
);
3955 else if (r_type
== R_SPARC_TLS_LDO_HIX22
3956 || r_type
== R_SPARC_TLS_LE_HIX22
)
3960 relocation
+= rel
->r_addend
;
3961 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3962 relocation
^= MINUS_ONE
;
3964 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3965 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3966 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3969 else if (r_type
== R_SPARC_TLS_LDO_LOX10
3970 || r_type
== R_SPARC_TLS_LE_LOX10
)
3974 relocation
+= rel
->r_addend
;
3975 relocation
&= 0x3ff;
3976 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3977 relocation
|= 0x1c00;
3979 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3980 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
3981 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3985 else if (r_type
== R_SPARC_HIX22
3986 || r_type
== R_SPARC_GOTDATA_HIX22
3987 || r_type
== R_SPARC_GOTDATA_OP_HIX22
)
3991 relocation
+= rel
->r_addend
;
3992 if (r_type
== R_SPARC_HIX22
3993 || (bfd_signed_vma
) relocation
< 0)
3994 relocation
= relocation
^ MINUS_ONE
;
3996 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3997 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3998 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4000 r
= bfd_check_overflow (howto
->complain_on_overflow
,
4001 howto
->bitsize
, howto
->rightshift
,
4002 bfd_arch_bits_per_address (input_bfd
),
4005 else if (r_type
== R_SPARC_LOX10
4006 || r_type
== R_SPARC_GOTDATA_LOX10
4007 || r_type
== R_SPARC_GOTDATA_OP_LOX10
)
4011 relocation
+= rel
->r_addend
;
4012 if (r_type
== R_SPARC_LOX10
4013 || (bfd_signed_vma
) relocation
< 0)
4014 relocation
= (relocation
& 0x3ff) | 0x1c00;
4016 relocation
= (relocation
& 0x3ff);
4018 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4019 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4020 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4024 else if ((r_type
== R_SPARC_WDISP30
|| r_type
== R_SPARC_WPLT30
)
4025 && sec_do_relax (input_section
)
4026 && rel
->r_offset
+ 4 < input_section
->size
)
4030 #define XCC (2 << 20)
4031 #define COND(x) (((x)&0xf)<<25)
4032 #define CONDA COND(0x8)
4033 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4034 #define INSN_BA (F2(0,2) | CONDA)
4035 #define INSN_OR F3(2, 0x2, 0)
4036 #define INSN_NOP F2(0,4)
4040 /* If the instruction is a call with either:
4042 arithmetic instruction with rd == %o7
4043 where rs1 != %o7 and rs2 if it is register != %o7
4044 then we can optimize if the call destination is near
4045 by changing the call into a branch always. */
4046 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4047 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
4048 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
4050 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
4051 || ((y
& OP3(0x28)) == 0 /* arithmetic */
4052 && (y
& RD(~0)) == RD(O7
)))
4053 && (y
& RS1(~0)) != RS1(O7
)
4055 || (y
& RS2(~0)) != RS2(O7
)))
4059 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
4060 reloc
-= (input_section
->output_section
->vma
4061 + input_section
->output_offset
);
4063 /* Ensure the branch fits into simm22. */
4064 if ((reloc
& 3) == 0
4065 && ((reloc
& ~(bfd_vma
)0x7fffff) == 0
4066 || ((reloc
| 0x7fffff) == ~(bfd_vma
)0)))
4070 /* Check whether it fits into simm19. */
4071 if (((reloc
& 0x3c0000) == 0
4072 || (reloc
& 0x3c0000) == 0x3c0000)
4073 && (ABI_64_P (output_bfd
)
4074 || elf_elfheader (output_bfd
)->e_flags
& EF_SPARC_32PLUS
))
4075 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
4077 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
4078 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4080 if (rel
->r_offset
>= 4
4081 && (y
& (0xffffffff ^ RS1(~0)))
4082 == (INSN_OR
| RD(O7
) | RS2(G0
)))
4087 z
= bfd_get_32 (input_bfd
,
4088 contents
+ rel
->r_offset
- 4);
4089 if ((z
& (0xffffffff ^ RD(~0)))
4090 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
4098 If call foo was replaced with ba, replace
4099 or %rN, %g0, %o7 with nop. */
4101 reg
= (y
& RS1(~0)) >> 14;
4102 if (reg
!= ((z
& RD(~0)) >> 25)
4103 || reg
== G0
|| reg
== O7
)
4106 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
4107 contents
+ rel
->r_offset
+ 4);
4115 if (r
== bfd_reloc_continue
)
4118 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
4119 contents
, rel
->r_offset
,
4120 relocation
, rel
->r_addend
);
4122 if (r
!= bfd_reloc_ok
)
4127 case bfd_reloc_outofrange
:
4129 case bfd_reloc_overflow
:
4133 /* The Solaris native linker silently disregards overflows.
4134 We don't, but this breaks stabs debugging info, whose
4135 relocations are only 32-bits wide. Ignore overflows in
4136 this case and also for discarded entries. */
4137 if ((r_type
== R_SPARC_32
4138 || r_type
== R_SPARC_UA32
4139 || r_type
== R_SPARC_DISP32
)
4140 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
4141 && strcmp (bfd_section_name (input_bfd
,
4144 || _bfd_elf_section_offset (output_bfd
, info
,
4152 /* Assume this is a call protected by other code that
4153 detect the symbol is undefined. If this is the case,
4154 we can safely ignore the overflow. If not, the
4155 program is hosed anyway, and a little warning isn't
4157 if (h
->root
.type
== bfd_link_hash_undefweak
4158 && howto
->pc_relative
)
4165 name
= bfd_elf_string_from_elf_section (input_bfd
,
4166 symtab_hdr
->sh_link
,
4171 name
= bfd_section_name (input_bfd
, sec
);
4173 (*info
->callbacks
->reloc_overflow
)
4174 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
4175 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
4185 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4186 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4187 is the offset of the associated .got.plt entry from
4188 _GLOBAL_OFFSET_TABLE_. */
4191 sparc_vxworks_build_plt_entry (bfd
*output_bfd
, struct bfd_link_info
*info
,
4192 bfd_vma plt_offset
, bfd_vma plt_index
,
4196 const bfd_vma
*plt_entry
;
4197 struct _bfd_sparc_elf_link_hash_table
*htab
;
4199 Elf_Internal_Rela rela
;
4201 htab
= _bfd_sparc_elf_hash_table (info
);
4202 BFD_ASSERT (htab
!= NULL
);
4204 if (bfd_link_pic (info
))
4206 plt_entry
= sparc_vxworks_shared_plt_entry
;
4211 plt_entry
= sparc_vxworks_exec_plt_entry
;
4212 got_base
= (htab
->elf
.hgot
->root
.u
.def
.value
4213 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4214 + htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
);
4217 /* Fill in the entry in the procedure linkage table. */
4218 bfd_put_32 (output_bfd
, plt_entry
[0] + ((got_base
+ got_offset
) >> 10),
4219 htab
->elf
.splt
->contents
+ plt_offset
);
4220 bfd_put_32 (output_bfd
, plt_entry
[1] + ((got_base
+ got_offset
) & 0x3ff),
4221 htab
->elf
.splt
->contents
+ plt_offset
+ 4);
4222 bfd_put_32 (output_bfd
, plt_entry
[2],
4223 htab
->elf
.splt
->contents
+ plt_offset
+ 8);
4224 bfd_put_32 (output_bfd
, plt_entry
[3],
4225 htab
->elf
.splt
->contents
+ plt_offset
+ 12);
4226 bfd_put_32 (output_bfd
, plt_entry
[4],
4227 htab
->elf
.splt
->contents
+ plt_offset
+ 16);
4228 bfd_put_32 (output_bfd
, plt_entry
[5] + (plt_index
>> 10),
4229 htab
->elf
.splt
->contents
+ plt_offset
+ 20);
4230 /* PC-relative displacement for a branch to the start of
4232 bfd_put_32 (output_bfd
, plt_entry
[6] + (((-plt_offset
- 24) >> 2)
4234 htab
->elf
.splt
->contents
+ plt_offset
+ 24);
4235 bfd_put_32 (output_bfd
, plt_entry
[7] + (plt_index
& 0x3ff),
4236 htab
->elf
.splt
->contents
+ plt_offset
+ 28);
4238 /* Fill in the .got.plt entry, pointing initially at the
4239 second half of the PLT entry. */
4240 BFD_ASSERT (htab
->elf
.sgotplt
!= NULL
);
4241 bfd_put_32 (output_bfd
,
4242 htab
->elf
.splt
->output_section
->vma
4243 + htab
->elf
.splt
->output_offset
4245 htab
->elf
.sgotplt
->contents
+ got_offset
);
4247 /* Add relocations to .rela.plt.unloaded. */
4248 if (!bfd_link_pic (info
))
4250 loc
= (htab
->srelplt2
->contents
4251 + (2 + 3 * plt_index
) * sizeof (Elf32_External_Rela
));
4253 /* Relocate the initial sethi. */
4254 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4255 + htab
->elf
.splt
->output_offset
4257 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4258 rela
.r_addend
= got_offset
;
4259 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4260 loc
+= sizeof (Elf32_External_Rela
);
4262 /* Likewise the following or. */
4264 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4265 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4266 loc
+= sizeof (Elf32_External_Rela
);
4268 /* Relocate the .got.plt entry. */
4269 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4270 + htab
->elf
.sgotplt
->output_offset
4272 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4273 rela
.r_addend
= plt_offset
+ 20;
4274 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4278 /* Finish up dynamic symbol handling. We set the contents of various
4279 dynamic sections here. */
4282 _bfd_sparc_elf_finish_dynamic_symbol (bfd
*output_bfd
,
4283 struct bfd_link_info
*info
,
4284 struct elf_link_hash_entry
*h
,
4285 Elf_Internal_Sym
*sym
)
4287 struct _bfd_sparc_elf_link_hash_table
*htab
;
4288 const struct elf_backend_data
*bed
;
4289 struct _bfd_sparc_elf_link_hash_entry
*eh
;
4290 bfd_boolean resolved_to_zero
;
4292 htab
= _bfd_sparc_elf_hash_table (info
);
4293 BFD_ASSERT (htab
!= NULL
);
4294 bed
= get_elf_backend_data (output_bfd
);
4296 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
4298 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4299 resolved undefined weak symbols in executable so that their
4300 references have value 0 at run-time. */
4301 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
4303 if (h
->plt
.offset
!= (bfd_vma
) -1)
4307 Elf_Internal_Rela rela
;
4309 bfd_vma r_offset
, got_offset
;
4312 /* When building a static executable, use .iplt and
4313 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4314 if (htab
->elf
.splt
!= NULL
)
4316 splt
= htab
->elf
.splt
;
4317 srela
= htab
->elf
.srelplt
;
4321 splt
= htab
->elf
.iplt
;
4322 srela
= htab
->elf
.irelplt
;
4325 if (splt
== NULL
|| srela
== NULL
)
4328 /* Fill in the entry in the .rela.plt section. */
4329 if (htab
->is_vxworks
)
4331 /* Work out the index of this PLT entry. */
4332 rela_index
= ((h
->plt
.offset
- htab
->plt_header_size
)
4333 / htab
->plt_entry_size
);
4335 /* Calculate the offset of the associated .got.plt entry.
4336 The first three entries are reserved. */
4337 got_offset
= (rela_index
+ 3) * 4;
4339 sparc_vxworks_build_plt_entry (output_bfd
, info
, h
->plt
.offset
,
4340 rela_index
, got_offset
);
4343 /* On VxWorks, the relocation points to the .got.plt entry,
4344 not the .plt entry. */
4345 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4346 + htab
->elf
.sgotplt
->output_offset
4349 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4354 bfd_boolean ifunc
= FALSE
;
4356 /* Fill in the entry in the procedure linkage table. */
4357 rela_index
= SPARC_ELF_BUILD_PLT_ENTRY (htab
, output_bfd
, splt
,
4358 h
->plt
.offset
, splt
->size
,
4363 || ((bfd_link_executable (info
)
4364 || ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
4366 && h
->type
== STT_GNU_IFUNC
))
4369 BFD_ASSERT (h
== NULL
4370 || (h
->type
== STT_GNU_IFUNC
4372 && (h
->root
.type
== bfd_link_hash_defined
4373 || h
->root
.type
== bfd_link_hash_defweak
)));
4376 rela
.r_offset
= r_offset
4377 + (splt
->output_section
->vma
+ splt
->output_offset
);
4378 if (ABI_64_P (output_bfd
)
4379 && h
->plt
.offset
>= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
4383 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4384 + h
->root
.u
.def
.section
->output_offset
4385 + h
->root
.u
.def
.value
);
4386 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4391 rela
.r_addend
= (-(h
->plt
.offset
+ 4)
4392 - splt
->output_section
->vma
4393 - splt
->output_offset
);
4394 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4402 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4403 + h
->root
.u
.def
.section
->output_offset
4404 + h
->root
.u
.def
.value
);
4405 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4411 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4417 /* Adjust for the first 4 reserved elements in the .plt section
4418 when setting the offset in the .rela.plt section.
4419 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4420 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4422 loc
= srela
->contents
;
4423 loc
+= rela_index
* bed
->s
->sizeof_rela
;
4424 bed
->s
->swap_reloca_out (output_bfd
, &rela
, loc
);
4426 if (!resolved_to_zero
&& !h
->def_regular
)
4428 /* Mark the symbol as undefined, rather than as defined in
4429 the .plt section. Leave the value alone. */
4430 sym
->st_shndx
= SHN_UNDEF
;
4431 /* If the symbol is weak, we do need to clear the value.
4432 Otherwise, the PLT entry would provide a definition for
4433 the symbol even if the symbol wasn't defined anywhere,
4434 and so the symbol would never be NULL. */
4435 if (!h
->ref_regular_nonweak
)
4440 /* Don't generate dynamic GOT relocation against resolved undefined weak
4441 symbols in an executable. */
4442 if (h
->got
.offset
!= (bfd_vma
) -1
4443 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_GD
4444 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_IE
4445 && !(h
->root
.type
== bfd_link_hash_undefweak
4446 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
4447 || resolved_to_zero
)))
4451 Elf_Internal_Rela rela
;
4453 /* This symbol has an entry in the GOT. Set it up. */
4455 sgot
= htab
->elf
.sgot
;
4456 srela
= htab
->elf
.srelgot
;
4457 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
4459 rela
.r_offset
= (sgot
->output_section
->vma
4460 + sgot
->output_offset
4461 + (h
->got
.offset
&~ (bfd_vma
) 1));
4463 /* If this is a -Bsymbolic link, and the symbol is defined
4464 locally, we just want to emit a RELATIVE reloc. Likewise if
4465 the symbol was forced to be local because of a version file.
4466 The entry in the global offset table will already have been
4467 initialized in the relocate_section function. */
4468 if (! bfd_link_pic (info
)
4469 && h
->type
== STT_GNU_IFUNC
4474 /* We load the GOT entry with the PLT entry. */
4475 plt
= htab
->elf
.splt
? htab
->elf
.splt
: htab
->elf
.iplt
;
4476 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
4477 (plt
->output_section
->vma
4478 + plt
->output_offset
+ h
->plt
.offset
),
4479 htab
->elf
.sgot
->contents
4480 + (h
->got
.offset
& ~(bfd_vma
) 1));
4484 if (bfd_link_pic (info
) && SYMBOL_REFERENCES_LOCAL (info
, h
))
4486 asection
*sec
= h
->root
.u
.def
.section
;
4487 if (h
->type
== STT_GNU_IFUNC
)
4488 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_IRELATIVE
);
4490 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_RELATIVE
);
4491 rela
.r_addend
= (h
->root
.u
.def
.value
4492 + sec
->output_section
->vma
4493 + sec
->output_offset
);
4497 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_GLOB_DAT
);
4501 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
4502 sgot
->contents
+ (h
->got
.offset
& ~(bfd_vma
) 1));
4503 sparc_elf_append_rela (output_bfd
, srela
, &rela
);
4509 Elf_Internal_Rela rela
;
4511 /* This symbols needs a copy reloc. Set it up. */
4512 BFD_ASSERT (h
->dynindx
!= -1);
4514 rela
.r_offset
= (h
->root
.u
.def
.value
4515 + h
->root
.u
.def
.section
->output_section
->vma
4516 + h
->root
.u
.def
.section
->output_offset
);
4517 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_COPY
);
4519 if (h
->root
.u
.def
.section
== htab
->elf
.sdynrelro
)
4520 s
= htab
->elf
.sreldynrelro
;
4522 s
= htab
->elf
.srelbss
;
4523 sparc_elf_append_rela (output_bfd
, s
, &rela
);
4526 /* Mark some specially defined symbols as absolute. On VxWorks,
4527 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4528 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4530 && (h
== htab
->elf
.hdynamic
4531 || (!htab
->is_vxworks
4532 && (h
== htab
->elf
.hgot
|| h
== htab
->elf
.hplt
))))
4533 sym
->st_shndx
= SHN_ABS
;
4538 /* Finish up the dynamic sections. */
4541 sparc_finish_dyn (bfd
*output_bfd
, struct bfd_link_info
*info
,
4542 bfd
*dynobj
, asection
*sdyn
,
4543 asection
*splt ATTRIBUTE_UNUSED
)
4545 struct _bfd_sparc_elf_link_hash_table
*htab
;
4546 const struct elf_backend_data
*bed
;
4547 bfd_byte
*dyncon
, *dynconend
;
4549 int stt_regidx
= -1;
4550 bfd_boolean abi_64_p
;
4552 htab
= _bfd_sparc_elf_hash_table (info
);
4553 BFD_ASSERT (htab
!= NULL
);
4554 bed
= get_elf_backend_data (output_bfd
);
4555 dynsize
= bed
->s
->sizeof_dyn
;
4556 dynconend
= sdyn
->contents
+ sdyn
->size
;
4557 abi_64_p
= ABI_64_P (output_bfd
);
4558 for (dyncon
= sdyn
->contents
; dyncon
< dynconend
; dyncon
+= dynsize
)
4560 Elf_Internal_Dyn dyn
;
4563 bed
->s
->swap_dyn_in (dynobj
, dyncon
, &dyn
);
4565 if (htab
->is_vxworks
&& dyn
.d_tag
== DT_PLTGOT
)
4567 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4568 not to the start of the PLT. */
4569 if (htab
->elf
.sgotplt
)
4571 dyn
.d_un
.d_val
= (htab
->elf
.sgotplt
->output_section
->vma
4572 + htab
->elf
.sgotplt
->output_offset
);
4573 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4576 else if (htab
->is_vxworks
4577 && elf_vxworks_finish_dynamic_entry (output_bfd
, &dyn
))
4578 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4579 else if (abi_64_p
&& dyn
.d_tag
== DT_SPARC_REGISTER
)
4581 if (stt_regidx
== -1)
4584 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
4585 if (stt_regidx
== -1)
4588 dyn
.d_un
.d_val
= stt_regidx
++;
4589 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4602 s
= htab
->elf
.srelplt
;
4606 s
= htab
->elf
.srelplt
;
4618 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4620 dyn
.d_un
.d_val
= s
->size
;
4622 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4628 /* Install the first PLT entry in a VxWorks executable and make sure that
4629 .rela.plt.unloaded relocations have the correct symbol indexes. */
4632 sparc_vxworks_finish_exec_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4634 struct _bfd_sparc_elf_link_hash_table
*htab
;
4635 Elf_Internal_Rela rela
;
4639 htab
= _bfd_sparc_elf_hash_table (info
);
4640 BFD_ASSERT (htab
!= NULL
);
4642 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4643 got_base
= (htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
4644 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4645 + htab
->elf
.hgot
->root
.u
.def
.value
);
4647 /* Install the initial PLT entry. */
4648 bfd_put_32 (output_bfd
,
4649 sparc_vxworks_exec_plt0_entry
[0] + ((got_base
+ 8) >> 10),
4650 htab
->elf
.splt
->contents
);
4651 bfd_put_32 (output_bfd
,
4652 sparc_vxworks_exec_plt0_entry
[1] + ((got_base
+ 8) & 0x3ff),
4653 htab
->elf
.splt
->contents
+ 4);
4654 bfd_put_32 (output_bfd
,
4655 sparc_vxworks_exec_plt0_entry
[2],
4656 htab
->elf
.splt
->contents
+ 8);
4657 bfd_put_32 (output_bfd
,
4658 sparc_vxworks_exec_plt0_entry
[3],
4659 htab
->elf
.splt
->contents
+ 12);
4660 bfd_put_32 (output_bfd
,
4661 sparc_vxworks_exec_plt0_entry
[4],
4662 htab
->elf
.splt
->contents
+ 16);
4664 loc
= htab
->srelplt2
->contents
;
4666 /* Add an unloaded relocation for the initial entry's "sethi". */
4667 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4668 + htab
->elf
.splt
->output_offset
);
4669 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4671 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4672 loc
+= sizeof (Elf32_External_Rela
);
4674 /* Likewise the following "or". */
4676 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4677 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4678 loc
+= sizeof (Elf32_External_Rela
);
4680 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4681 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4682 in which symbols were output. */
4683 while (loc
< htab
->srelplt2
->contents
+ htab
->srelplt2
->size
)
4685 Elf_Internal_Rela rel
;
4687 /* The entry's initial "sethi" (against _G_O_T_). */
4688 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4689 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4690 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4691 loc
+= sizeof (Elf32_External_Rela
);
4693 /* The following "or" (also against _G_O_T_). */
4694 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4695 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4696 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4697 loc
+= sizeof (Elf32_External_Rela
);
4699 /* The .got.plt entry (against _P_L_T_). */
4700 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4701 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4702 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4703 loc
+= sizeof (Elf32_External_Rela
);
4707 /* Install the first PLT entry in a VxWorks shared object. */
4710 sparc_vxworks_finish_shared_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4712 struct _bfd_sparc_elf_link_hash_table
*htab
;
4715 htab
= _bfd_sparc_elf_hash_table (info
);
4716 BFD_ASSERT (htab
!= NULL
);
4718 for (i
= 0; i
< ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
); i
++)
4719 bfd_put_32 (output_bfd
, sparc_vxworks_shared_plt0_entry
[i
],
4720 htab
->elf
.splt
->contents
+ i
* 4);
4723 /* Finish up local dynamic symbol handling. We set the contents of
4724 various dynamic sections here. */
4727 finish_local_dynamic_symbol (void **slot
, void *inf
)
4729 struct elf_link_hash_entry
*h
4730 = (struct elf_link_hash_entry
*) *slot
;
4731 struct bfd_link_info
*info
4732 = (struct bfd_link_info
*) inf
;
4734 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4738 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4739 here since undefined weak symbol may not be dynamic and may not be
4740 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4743 pie_finish_undefweak_symbol (struct bfd_hash_entry
*bh
,
4746 struct elf_link_hash_entry
*h
= (struct elf_link_hash_entry
*) bh
;
4747 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
4749 if (h
->root
.type
!= bfd_link_hash_undefweak
4750 || h
->dynindx
!= -1)
4753 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4758 _bfd_sparc_elf_finish_dynamic_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
4762 struct _bfd_sparc_elf_link_hash_table
*htab
;
4764 htab
= _bfd_sparc_elf_hash_table (info
);
4765 BFD_ASSERT (htab
!= NULL
);
4766 dynobj
= htab
->elf
.dynobj
;
4768 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
4770 if (elf_hash_table (info
)->dynamic_sections_created
)
4774 splt
= htab
->elf
.splt
;
4775 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
4777 if (!sparc_finish_dyn (output_bfd
, info
, dynobj
, sdyn
, splt
))
4780 /* Initialize the contents of the .plt section. */
4783 if (htab
->is_vxworks
)
4785 if (bfd_link_pic (info
))
4786 sparc_vxworks_finish_shared_plt (output_bfd
, info
);
4788 sparc_vxworks_finish_exec_plt (output_bfd
, info
);
4792 memset (splt
->contents
, 0, htab
->plt_header_size
);
4793 if (!ABI_64_P (output_bfd
))
4794 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
,
4795 splt
->contents
+ splt
->size
- 4);
4799 if (elf_section_data (splt
->output_section
) != NULL
)
4800 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
4801 = ((htab
->is_vxworks
|| !ABI_64_P (output_bfd
))
4802 ? 0 : htab
->plt_entry_size
);
4805 /* Set the first entry in the global offset table to the address of
4806 the dynamic section. */
4807 if (htab
->elf
.sgot
&& htab
->elf
.sgot
->size
> 0)
4809 bfd_vma val
= (sdyn
?
4810 sdyn
->output_section
->vma
+ sdyn
->output_offset
:
4813 SPARC_ELF_PUT_WORD (htab
, output_bfd
, val
, htab
->elf
.sgot
->contents
);
4817 elf_section_data (htab
->elf
.sgot
->output_section
)->this_hdr
.sh_entsize
=
4818 SPARC_ELF_WORD_BYTES (htab
);
4820 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4821 htab_traverse (htab
->loc_hash_table
, finish_local_dynamic_symbol
, info
);
4823 /* Fill PLT entries for undefined weak symbols in PIE. */
4824 if (bfd_link_pie (info
))
4825 bfd_hash_traverse (&info
->hash
->table
,
4826 pie_finish_undefweak_symbol
,
4832 /* Set the right machine number for a SPARC ELF file. */
4835 _bfd_sparc_elf_object_p (bfd
*abfd
)
4837 obj_attribute
*attrs
= elf_known_obj_attributes (abfd
)[OBJ_ATTR_GNU
];
4838 obj_attribute
*hwcaps
= &attrs
[Tag_GNU_Sparc_HWCAPS
];
4839 obj_attribute
*hwcaps2
= &attrs
[Tag_GNU_Sparc_HWCAPS2
];
4841 unsigned int v9c_hwcaps_mask
= ELF_SPARC_HWCAP_ASI_BLK_INIT
;
4842 unsigned int v9d_hwcaps_mask
= (ELF_SPARC_HWCAP_FMAF
4843 | ELF_SPARC_HWCAP_VIS3
4844 | ELF_SPARC_HWCAP_HPC
);
4845 unsigned int v9e_hwcaps_mask
= (ELF_SPARC_HWCAP_AES
4846 | ELF_SPARC_HWCAP_DES
4847 | ELF_SPARC_HWCAP_KASUMI
4848 | ELF_SPARC_HWCAP_CAMELLIA
4849 | ELF_SPARC_HWCAP_MD5
4850 | ELF_SPARC_HWCAP_SHA1
4851 | ELF_SPARC_HWCAP_SHA256
4852 | ELF_SPARC_HWCAP_SHA512
4853 | ELF_SPARC_HWCAP_MPMUL
4854 | ELF_SPARC_HWCAP_MONT
4855 | ELF_SPARC_HWCAP_CRC32C
4856 | ELF_SPARC_HWCAP_CBCOND
4857 | ELF_SPARC_HWCAP_PAUSE
);
4858 unsigned int v9v_hwcaps_mask
= (ELF_SPARC_HWCAP_FJFMAU
4859 | ELF_SPARC_HWCAP_IMA
);
4860 unsigned int v9m_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC5
4861 | ELF_SPARC_HWCAP2_MWAIT
4862 | ELF_SPARC_HWCAP2_XMPMUL
4863 | ELF_SPARC_HWCAP2_XMONT
);
4864 unsigned int m8_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC6
4865 | ELF_SPARC_HWCAP2_ONADDSUB
4866 | ELF_SPARC_HWCAP2_ONMUL
4867 | ELF_SPARC_HWCAP2_ONDIV
4868 | ELF_SPARC_HWCAP2_DICTUNP
4869 | ELF_SPARC_HWCAP2_FPCMPSHL
4870 | ELF_SPARC_HWCAP2_RLE
4871 | ELF_SPARC_HWCAP2_SHA3
);
4873 if (ABI_64_P (abfd
))
4875 unsigned long mach
= bfd_mach_sparc_v9
;
4877 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4878 mach
= bfd_mach_sparc_v9m8
;
4879 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4880 mach
= bfd_mach_sparc_v9m
;
4881 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4882 mach
= bfd_mach_sparc_v9v
;
4883 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4884 mach
= bfd_mach_sparc_v9e
;
4885 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4886 mach
= bfd_mach_sparc_v9d
;
4887 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4888 mach
= bfd_mach_sparc_v9c
;
4889 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4890 mach
= bfd_mach_sparc_v9b
;
4891 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4892 mach
= bfd_mach_sparc_v9a
;
4893 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
4897 if (elf_elfheader (abfd
)->e_machine
== EM_SPARC32PLUS
)
4899 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4900 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4901 bfd_mach_sparc_v8plusm8
);
4902 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4903 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4904 bfd_mach_sparc_v8plusm
);
4905 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4906 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4907 bfd_mach_sparc_v8plusv
);
4908 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4909 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4910 bfd_mach_sparc_v8pluse
);
4911 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4912 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4913 bfd_mach_sparc_v8plusd
);
4914 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4915 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4916 bfd_mach_sparc_v8plusc
);
4917 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4918 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4919 bfd_mach_sparc_v8plusb
);
4920 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4921 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4922 bfd_mach_sparc_v8plusa
);
4923 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_32PLUS
)
4924 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4925 bfd_mach_sparc_v8plus
);
4929 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_LEDATA
)
4930 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4931 bfd_mach_sparc_sparclite_le
);
4933 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
4937 /* Return address for Ith PLT stub in section PLT, for relocation REL
4938 or (bfd_vma) -1 if it should not be included. */
4941 _bfd_sparc_elf_plt_sym_val (bfd_vma i
, const asection
*plt
, const arelent
*rel
)
4943 if (ABI_64_P (plt
->owner
))
4947 i
+= PLT64_HEADER_SIZE
/ PLT64_ENTRY_SIZE
;
4948 if (i
< PLT64_LARGE_THRESHOLD
)
4949 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
;
4951 j
= (i
- PLT64_LARGE_THRESHOLD
) % 160;
4953 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
+ j
* 4 * 6;
4956 return rel
->address
;
4959 /* Merge backend specific data from an object file to the output
4960 object file when linking. */
4963 _bfd_sparc_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
4965 bfd
*obfd
= info
->output_bfd
;
4966 obj_attribute
*in_attr
, *in_attrs
;
4967 obj_attribute
*out_attr
, *out_attrs
;
4969 if (!elf_known_obj_attributes_proc (obfd
)[0].i
)
4971 /* This is the first object. Copy the attributes. */
4972 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
4974 /* Use the Tag_null value to indicate the attributes have been
4976 elf_known_obj_attributes_proc (obfd
)[0].i
= 1;
4981 in_attrs
= elf_known_obj_attributes (ibfd
)[OBJ_ATTR_GNU
];
4982 out_attrs
= elf_known_obj_attributes (obfd
)[OBJ_ATTR_GNU
];
4984 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS
];
4985 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS
];
4987 out_attr
->i
|= in_attr
->i
;
4990 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4991 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4993 out_attr
->i
|= in_attr
->i
;
4996 /* Merge Tag_compatibility attributes and any common GNU ones. */
4997 _bfd_elf_merge_object_attributes (ibfd
, info
);