1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2020 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
55 void * data
, asection
*input_section
, bfd
*output_bfd
,
56 bfd_vma
*prelocation
, bfd_vma
*pinsn
)
59 reloc_howto_type
*howto
= reloc_entry
->howto
;
61 if (output_bfd
!= (bfd
*) NULL
62 && (symbol
->flags
& BSF_SECTION_SYM
) == 0
63 && (! howto
->partial_inplace
64 || reloc_entry
->addend
== 0))
66 reloc_entry
->address
+= input_section
->output_offset
;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd
!= NULL
)
72 return bfd_reloc_continue
;
74 if (reloc_entry
->address
> bfd_get_section_limit (abfd
, input_section
))
75 return bfd_reloc_outofrange
;
77 relocation
= (symbol
->value
78 + symbol
->section
->output_section
->vma
79 + symbol
->section
->output_offset
);
80 relocation
+= reloc_entry
->addend
;
81 if (howto
->pc_relative
)
83 relocation
-= (input_section
->output_section
->vma
84 + input_section
->output_offset
);
85 relocation
-= reloc_entry
->address
;
88 *prelocation
= relocation
;
89 *pinsn
= bfd_get_32 (abfd
, (bfd_byte
*) data
+ reloc_entry
->address
);
90 return bfd_reloc_other
;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd
*abfd ATTRIBUTE_UNUSED
,
97 arelent
*reloc_entry ATTRIBUTE_UNUSED
,
98 asymbol
*symbol ATTRIBUTE_UNUSED
,
99 void * data ATTRIBUTE_UNUSED
,
100 asection
*input_section ATTRIBUTE_UNUSED
,
101 bfd
*output_bfd ATTRIBUTE_UNUSED
,
102 char **error_message ATTRIBUTE_UNUSED
)
104 return bfd_reloc_notsupported
;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
111 void * data
, asection
*input_section
, bfd
*output_bfd
,
112 char **error_message ATTRIBUTE_UNUSED
)
116 bfd_reloc_status_type status
;
118 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
119 input_section
, output_bfd
, &relocation
, &insn
);
120 if (status
!= bfd_reloc_other
)
123 insn
&= ~ (bfd_vma
) 0x303fff;
124 insn
|= (((relocation
>> 2) & 0xc000) << 6) | ((relocation
>> 2) & 0x3fff);
125 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
127 if ((bfd_signed_vma
) relocation
< - 0x40000
128 || (bfd_signed_vma
) relocation
> 0x3ffff)
129 return bfd_reloc_overflow
;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
138 void * data
, asection
*input_section
, bfd
*output_bfd
,
139 char **error_message ATTRIBUTE_UNUSED
)
143 bfd_reloc_status_type status
;
145 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
146 input_section
, output_bfd
, &relocation
, &insn
);
147 if (status
!= bfd_reloc_other
)
150 insn
&= ~ (bfd_vma
) 0x181fe0;
151 insn
|= (((relocation
>> 2) & 0x300) << 11)
152 | (((relocation
>> 2) & 0xff) << 5);
153 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
155 if ((bfd_signed_vma
) relocation
< - 0x1000
156 || (bfd_signed_vma
) relocation
> 0xfff)
157 return bfd_reloc_overflow
;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
166 void * data
, asection
*input_section
, bfd
*output_bfd
,
167 char **error_message ATTRIBUTE_UNUSED
)
171 bfd_reloc_status_type status
;
173 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
174 input_section
, output_bfd
, &relocation
, &insn
);
175 if (status
!= bfd_reloc_other
)
178 relocation
^= MINUS_ONE
;
179 insn
= (insn
&~ (bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
180 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
182 if ((relocation
& ~ (bfd_vma
) 0xffffffff) != 0)
183 return bfd_reloc_overflow
;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
192 void * data
, asection
*input_section
, bfd
*output_bfd
,
193 char **error_message ATTRIBUTE_UNUSED
)
197 bfd_reloc_status_type status
;
199 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
200 input_section
, output_bfd
, &relocation
, &insn
);
201 if (status
!= bfd_reloc_other
)
204 insn
= (insn
&~ (bfd_vma
) 0x1fff) | 0x1c00 | (relocation
& 0x3ff);
205 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
210 static reloc_howto_type _bfd_sparc_elf_howto_table
[] =
212 HOWTO(R_SPARC_NONE
, 0,3, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_NONE", FALSE
,0,0x00000000,TRUE
),
213 HOWTO(R_SPARC_8
, 0,0, 8,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_8", FALSE
,0,0x000000ff,TRUE
),
214 HOWTO(R_SPARC_16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_16", FALSE
,0,0x0000ffff,TRUE
),
215 HOWTO(R_SPARC_32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_32", FALSE
,0,0xffffffff,TRUE
),
216 HOWTO(R_SPARC_DISP8
, 0,0, 8,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP8", FALSE
,0,0x000000ff,TRUE
),
217 HOWTO(R_SPARC_DISP16
, 0,1,16,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP16", FALSE
,0,0x0000ffff,TRUE
),
218 HOWTO(R_SPARC_DISP32
, 0,2,32,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP32", FALSE
,0,0xffffffff,TRUE
),
219 HOWTO(R_SPARC_WDISP30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP30", FALSE
,0,0x3fffffff,TRUE
),
220 HOWTO(R_SPARC_WDISP22
, 2,2,22,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP22", FALSE
,0,0x003fffff,TRUE
),
221 HOWTO(R_SPARC_HI22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HI22", FALSE
,0,0x003fffff,TRUE
),
222 HOWTO(R_SPARC_22
, 0,2,22,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_22", FALSE
,0,0x003fffff,TRUE
),
223 HOWTO(R_SPARC_13
, 0,2,13,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_13", FALSE
,0,0x00001fff,TRUE
),
224 HOWTO(R_SPARC_LO10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LO10", FALSE
,0,0x000003ff,TRUE
),
225 HOWTO(R_SPARC_GOT10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT10", FALSE
,0,0x000003ff,TRUE
),
226 HOWTO(R_SPARC_GOT13
, 0,2,13,FALSE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_GOT13", FALSE
,0,0x00001fff,TRUE
),
227 HOWTO(R_SPARC_GOT22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT22", FALSE
,0,0x003fffff,TRUE
),
228 HOWTO(R_SPARC_PC10
, 0,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC10", FALSE
,0,0x000003ff,TRUE
),
229 HOWTO(R_SPARC_PC22
, 10,2,22,TRUE
, 0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PC22", FALSE
,0,0x003fffff,TRUE
),
230 HOWTO(R_SPARC_WPLT30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WPLT30", FALSE
,0,0x3fffffff,TRUE
),
231 HOWTO(R_SPARC_COPY
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_COPY", FALSE
,0,0x00000000,TRUE
),
232 HOWTO(R_SPARC_GLOB_DAT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GLOB_DAT",FALSE
,0,0x00000000,TRUE
),
233 HOWTO(R_SPARC_JMP_SLOT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_JMP_SLOT",FALSE
,0,0x00000000,TRUE
),
234 HOWTO(R_SPARC_RELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_RELATIVE",FALSE
,0,0x00000000,TRUE
),
235 HOWTO(R_SPARC_UA32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA32", FALSE
,0,0xffffffff,TRUE
),
236 HOWTO(R_SPARC_PLT32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT32", FALSE
,0,0xffffffff,TRUE
),
237 HOWTO(R_SPARC_HIPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_HIPLT22", FALSE
,0,0x00000000,TRUE
),
238 HOWTO(R_SPARC_LOPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_LOPLT10", FALSE
,0,0x00000000,TRUE
),
239 HOWTO(R_SPARC_PCPLT32
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT32", FALSE
,0,0x00000000,TRUE
),
240 HOWTO(R_SPARC_PCPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT22", FALSE
,0,0x00000000,TRUE
),
241 HOWTO(R_SPARC_PCPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT10", FALSE
,0,0x00000000,TRUE
),
242 HOWTO(R_SPARC_10
, 0,2,10,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_10", FALSE
,0,0x000003ff,TRUE
),
243 HOWTO(R_SPARC_11
, 0,2,11,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_11", FALSE
,0,0x000007ff,TRUE
),
244 HOWTO(R_SPARC_64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_64", FALSE
,0,MINUS_ONE
, TRUE
),
245 HOWTO(R_SPARC_OLO10
, 0,2,13,FALSE
,0,complain_overflow_signed
, sparc_elf_notsup_reloc
, "R_SPARC_OLO10", FALSE
,0,0x00001fff,TRUE
),
246 HOWTO(R_SPARC_HH22
, 42,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_HH22", FALSE
,0,0x003fffff,TRUE
),
247 HOWTO(R_SPARC_HM10
, 32,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HM10", FALSE
,0,0x000003ff,TRUE
),
248 HOWTO(R_SPARC_LM22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LM22", FALSE
,0,0x003fffff,TRUE
),
249 HOWTO(R_SPARC_PC_HH22
, 42,2,22,TRUE
, 0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_PC_HH22", FALSE
,0,0x003fffff,TRUE
),
250 HOWTO(R_SPARC_PC_HM10
, 32,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_HM10", FALSE
,0,0x000003ff,TRUE
),
251 HOWTO(R_SPARC_PC_LM22
, 10,2,22,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_LM22", FALSE
,0,0x003fffff,TRUE
),
252 HOWTO(R_SPARC_WDISP16
, 2,2,16,TRUE
, 0,complain_overflow_signed
, sparc_elf_wdisp16_reloc
,"R_SPARC_WDISP16", FALSE
,0,0x00000000,TRUE
),
253 HOWTO(R_SPARC_WDISP19
, 2,2,19,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP19", FALSE
,0,0x0007ffff,TRUE
),
254 HOWTO(R_SPARC_UNUSED_42
, 0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_UNUSED_42",FALSE
,0,0x00000000,TRUE
),
255 HOWTO(R_SPARC_7
, 0,2, 7,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_7", FALSE
,0,0x0000007f,TRUE
),
256 HOWTO(R_SPARC_5
, 0,2, 5,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_5", FALSE
,0,0x0000001f,TRUE
),
257 HOWTO(R_SPARC_6
, 0,2, 6,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_6", FALSE
,0,0x0000003f,TRUE
),
258 HOWTO(R_SPARC_DISP64
, 0,4,64,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP64", FALSE
,0,MINUS_ONE
, TRUE
),
259 HOWTO(R_SPARC_PLT64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT64", FALSE
,0,MINUS_ONE
, TRUE
),
260 HOWTO(R_SPARC_HIX22
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_HIX22", FALSE
,0,MINUS_ONE
, FALSE
),
261 HOWTO(R_SPARC_LOX10
, 0,4, 0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_LOX10", FALSE
,0,MINUS_ONE
, FALSE
),
262 HOWTO(R_SPARC_H44
, 22,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_H44", FALSE
,0,0x003fffff,FALSE
),
263 HOWTO(R_SPARC_M44
, 12,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_M44", FALSE
,0,0x000003ff,FALSE
),
264 HOWTO(R_SPARC_L44
, 0,2,13,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_L44", FALSE
,0,0x00000fff,FALSE
),
265 HOWTO(R_SPARC_REGISTER
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_notsup_reloc
, "R_SPARC_REGISTER",FALSE
,0,MINUS_ONE
, FALSE
),
266 HOWTO(R_SPARC_UA64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA64", FALSE
,0,MINUS_ONE
, TRUE
),
267 HOWTO(R_SPARC_UA16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA16", FALSE
,0,0x0000ffff,TRUE
),
268 HOWTO(R_SPARC_TLS_GD_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_HI22",FALSE
,0,0x003fffff,TRUE
),
269 HOWTO(R_SPARC_TLS_GD_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_LO10",FALSE
,0,0x000003ff,TRUE
),
270 HOWTO(R_SPARC_TLS_GD_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_ADD",FALSE
,0,0x00000000,TRUE
),
271 HOWTO(R_SPARC_TLS_GD_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_CALL",FALSE
,0,0x3fffffff,TRUE
),
272 HOWTO(R_SPARC_TLS_LDM_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_HI22",FALSE
,0,0x003fffff,TRUE
),
273 HOWTO(R_SPARC_TLS_LDM_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_LO10",FALSE
,0,0x000003ff,TRUE
),
274 HOWTO(R_SPARC_TLS_LDM_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_ADD",FALSE
,0,0x00000000,TRUE
),
275 HOWTO(R_SPARC_TLS_LDM_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_CALL",FALSE
,0,0x3fffffff,TRUE
),
276 HOWTO(R_SPARC_TLS_LDO_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_TLS_LDO_HIX22",FALSE
,0,0x003fffff, FALSE
),
277 HOWTO(R_SPARC_TLS_LDO_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LDO_LOX10",FALSE
,0,0x000003ff, FALSE
),
278 HOWTO(R_SPARC_TLS_LDO_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDO_ADD",FALSE
,0,0x00000000,TRUE
),
279 HOWTO(R_SPARC_TLS_IE_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_HI22",FALSE
,0,0x003fffff,TRUE
),
280 HOWTO(R_SPARC_TLS_IE_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LO10",FALSE
,0,0x000003ff,TRUE
),
281 HOWTO(R_SPARC_TLS_IE_LD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LD",FALSE
,0,0x00000000,TRUE
),
282 HOWTO(R_SPARC_TLS_IE_LDX
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LDX",FALSE
,0,0x00000000,TRUE
),
283 HOWTO(R_SPARC_TLS_IE_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_ADD",FALSE
,0,0x00000000,TRUE
),
284 HOWTO(R_SPARC_TLS_LE_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_TLS_LE_HIX22",FALSE
,0,0x003fffff, FALSE
),
285 HOWTO(R_SPARC_TLS_LE_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LE_LOX10",FALSE
,0,0x000003ff, FALSE
),
286 HOWTO(R_SPARC_TLS_DTPMOD32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD32",FALSE
,0,0x00000000,TRUE
),
287 HOWTO(R_SPARC_TLS_DTPMOD64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD64",FALSE
,0,0x00000000,TRUE
),
288 HOWTO(R_SPARC_TLS_DTPOFF32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF32",FALSE
,0,0xffffffff,TRUE
),
289 HOWTO(R_SPARC_TLS_DTPOFF64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF64",FALSE
,0,MINUS_ONE
,TRUE
),
290 HOWTO(R_SPARC_TLS_TPOFF32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF32",FALSE
,0,0x00000000,TRUE
),
291 HOWTO(R_SPARC_TLS_TPOFF64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF64",FALSE
,0,0x00000000,TRUE
),
292 HOWTO(R_SPARC_GOTDATA_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_GOTDATA_HIX22",FALSE
,0,0x003fffff, FALSE
),
293 HOWTO(R_SPARC_GOTDATA_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_GOTDATA_LOX10",FALSE
,0,0x000003ff, FALSE
),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_GOTDATA_OP_HIX22",FALSE
,0,0x003fffff, FALSE
),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_GOTDATA_OP_LOX10",FALSE
,0,0x000003ff, FALSE
),
296 HOWTO(R_SPARC_GOTDATA_OP
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOTDATA_OP",FALSE
,0,0x00000000,TRUE
),
297 HOWTO(R_SPARC_H34
,12,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
,"R_SPARC_H34",FALSE
,0,0x003fffff,FALSE
),
298 HOWTO(R_SPARC_SIZE32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE32",FALSE
,0,0xffffffff,TRUE
),
299 HOWTO(R_SPARC_SIZE64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE64",FALSE
,0,MINUS_ONE
, TRUE
),
300 HOWTO(R_SPARC_WDISP10
,2,2,10,TRUE
, 0,complain_overflow_signed
,sparc_elf_wdisp10_reloc
,"R_SPARC_WDISP10",FALSE
,0,0x00000000,TRUE
),
302 static reloc_howto_type sparc_jmp_irel_howto
=
303 HOWTO(R_SPARC_JMP_IREL
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_JMP_IREL",FALSE
,0,0x00000000,TRUE
);
304 static reloc_howto_type sparc_irelative_howto
=
305 HOWTO(R_SPARC_IRELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_IRELATIVE",FALSE
,0,0x00000000,TRUE
);
306 static reloc_howto_type sparc_vtinherit_howto
=
307 HOWTO (R_SPARC_GNU_VTINHERIT
, 0,2,0,FALSE
,0,complain_overflow_dont
, NULL
, "R_SPARC_GNU_VTINHERIT", FALSE
,0, 0, FALSE
);
308 static reloc_howto_type sparc_vtentry_howto
=
309 HOWTO (R_SPARC_GNU_VTENTRY
, 0,2,0,FALSE
,0,complain_overflow_dont
, _bfd_elf_rel_vtable_reloc_fn
,"R_SPARC_GNU_VTENTRY", FALSE
,0,0, FALSE
);
310 static reloc_howto_type sparc_rev32_howto
=
311 HOWTO(R_SPARC_REV32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_REV32", FALSE
,0,0xffffffff,TRUE
);
314 _bfd_sparc_elf_reloc_type_lookup (bfd
*abfd
,
315 bfd_reloc_code_real_type code
)
317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
322 return &_bfd_sparc_elf_howto_table
[R_SPARC_NONE
];
325 return &_bfd_sparc_elf_howto_table
[R_SPARC_8
];
328 return &_bfd_sparc_elf_howto_table
[R_SPARC_16
];
331 return &_bfd_sparc_elf_howto_table
[R_SPARC_32
];
333 case BFD_RELOC_8_PCREL
:
334 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP8
];
336 case BFD_RELOC_16_PCREL
:
337 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP16
];
339 case BFD_RELOC_32_PCREL
:
340 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP32
];
342 case BFD_RELOC_32_PCREL_S2
:
343 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP30
];
345 case BFD_RELOC_SPARC_WDISP22
:
346 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP22
];
349 return &_bfd_sparc_elf_howto_table
[R_SPARC_HI22
];
351 case BFD_RELOC_SPARC22
:
352 return &_bfd_sparc_elf_howto_table
[R_SPARC_22
];
354 case BFD_RELOC_SPARC13
:
355 return &_bfd_sparc_elf_howto_table
[R_SPARC_13
];
358 return &_bfd_sparc_elf_howto_table
[R_SPARC_LO10
];
360 case BFD_RELOC_SPARC_GOT10
:
361 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT10
];
363 case BFD_RELOC_SPARC_GOT13
:
364 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT13
];
366 case BFD_RELOC_SPARC_GOT22
:
367 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT22
];
369 case BFD_RELOC_SPARC_PC10
:
370 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC10
];
372 case BFD_RELOC_SPARC_PC22
:
373 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC22
];
375 case BFD_RELOC_SPARC_WPLT30
:
376 return &_bfd_sparc_elf_howto_table
[R_SPARC_WPLT30
];
378 case BFD_RELOC_SPARC_COPY
:
379 return &_bfd_sparc_elf_howto_table
[R_SPARC_COPY
];
381 case BFD_RELOC_SPARC_GLOB_DAT
:
382 return &_bfd_sparc_elf_howto_table
[R_SPARC_GLOB_DAT
];
384 case BFD_RELOC_SPARC_JMP_SLOT
:
385 return &_bfd_sparc_elf_howto_table
[R_SPARC_JMP_SLOT
];
387 case BFD_RELOC_SPARC_RELATIVE
:
388 return &_bfd_sparc_elf_howto_table
[R_SPARC_RELATIVE
];
390 case BFD_RELOC_SPARC_UA32
:
391 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA32
];
393 case BFD_RELOC_SPARC_PLT32
:
394 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT32
];
396 case BFD_RELOC_SPARC_10
:
397 return &_bfd_sparc_elf_howto_table
[R_SPARC_10
];
399 case BFD_RELOC_SPARC_11
:
400 return &_bfd_sparc_elf_howto_table
[R_SPARC_11
];
402 case BFD_RELOC_SPARC_64
:
403 return &_bfd_sparc_elf_howto_table
[R_SPARC_64
];
405 case BFD_RELOC_SPARC_OLO10
:
406 return &_bfd_sparc_elf_howto_table
[R_SPARC_OLO10
];
408 case BFD_RELOC_SPARC_HH22
:
409 return &_bfd_sparc_elf_howto_table
[R_SPARC_HH22
];
411 case BFD_RELOC_SPARC_HM10
:
412 return &_bfd_sparc_elf_howto_table
[R_SPARC_HM10
];
414 case BFD_RELOC_SPARC_LM22
:
415 return &_bfd_sparc_elf_howto_table
[R_SPARC_LM22
];
417 case BFD_RELOC_SPARC_PC_HH22
:
418 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HH22
];
420 case BFD_RELOC_SPARC_PC_HM10
:
421 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HM10
];
423 case BFD_RELOC_SPARC_PC_LM22
:
424 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_LM22
];
426 case BFD_RELOC_SPARC_WDISP16
:
427 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP16
];
429 case BFD_RELOC_SPARC_WDISP19
:
430 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP19
];
432 case BFD_RELOC_SPARC_7
:
433 return &_bfd_sparc_elf_howto_table
[R_SPARC_7
];
435 case BFD_RELOC_SPARC_5
:
436 return &_bfd_sparc_elf_howto_table
[R_SPARC_5
];
438 case BFD_RELOC_SPARC_6
:
439 return &_bfd_sparc_elf_howto_table
[R_SPARC_6
];
441 case BFD_RELOC_SPARC_DISP64
:
442 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP64
];
444 case BFD_RELOC_SPARC_PLT64
:
445 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT64
];
447 case BFD_RELOC_SPARC_HIX22
:
448 return &_bfd_sparc_elf_howto_table
[R_SPARC_HIX22
];
450 case BFD_RELOC_SPARC_LOX10
:
451 return &_bfd_sparc_elf_howto_table
[R_SPARC_LOX10
];
453 case BFD_RELOC_SPARC_H44
:
454 return &_bfd_sparc_elf_howto_table
[R_SPARC_H44
];
456 case BFD_RELOC_SPARC_M44
:
457 return &_bfd_sparc_elf_howto_table
[R_SPARC_M44
];
459 case BFD_RELOC_SPARC_L44
:
460 return &_bfd_sparc_elf_howto_table
[R_SPARC_L44
];
462 case BFD_RELOC_SPARC_REGISTER
:
463 return &_bfd_sparc_elf_howto_table
[R_SPARC_REGISTER
];
465 case BFD_RELOC_SPARC_UA64
:
466 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA64
];
468 case BFD_RELOC_SPARC_UA16
:
469 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA16
];
471 case BFD_RELOC_SPARC_TLS_GD_HI22
:
472 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_HI22
];
474 case BFD_RELOC_SPARC_TLS_GD_LO10
:
475 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_LO10
];
477 case BFD_RELOC_SPARC_TLS_GD_ADD
:
478 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_ADD
];
480 case BFD_RELOC_SPARC_TLS_GD_CALL
:
481 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_CALL
];
483 case BFD_RELOC_SPARC_TLS_LDM_HI22
:
484 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_HI22
];
486 case BFD_RELOC_SPARC_TLS_LDM_LO10
:
487 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_LO10
];
489 case BFD_RELOC_SPARC_TLS_LDM_ADD
:
490 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_ADD
];
492 case BFD_RELOC_SPARC_TLS_LDM_CALL
:
493 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_CALL
];
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22
:
496 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_HIX22
];
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10
:
499 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_LOX10
];
501 case BFD_RELOC_SPARC_TLS_LDO_ADD
:
502 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_ADD
];
504 case BFD_RELOC_SPARC_TLS_IE_HI22
:
505 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_HI22
];
507 case BFD_RELOC_SPARC_TLS_IE_LO10
:
508 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LO10
];
510 case BFD_RELOC_SPARC_TLS_IE_LD
:
511 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LD
];
513 case BFD_RELOC_SPARC_TLS_IE_LDX
:
514 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LDX
];
516 case BFD_RELOC_SPARC_TLS_IE_ADD
:
517 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_ADD
];
519 case BFD_RELOC_SPARC_TLS_LE_HIX22
:
520 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_HIX22
];
522 case BFD_RELOC_SPARC_TLS_LE_LOX10
:
523 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_LOX10
];
525 case BFD_RELOC_SPARC_TLS_DTPMOD32
:
526 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD32
];
528 case BFD_RELOC_SPARC_TLS_DTPMOD64
:
529 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD64
];
531 case BFD_RELOC_SPARC_TLS_DTPOFF32
:
532 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF32
];
534 case BFD_RELOC_SPARC_TLS_DTPOFF64
:
535 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF64
];
537 case BFD_RELOC_SPARC_TLS_TPOFF32
:
538 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF32
];
540 case BFD_RELOC_SPARC_TLS_TPOFF64
:
541 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF64
];
543 case BFD_RELOC_SPARC_GOTDATA_HIX22
:
544 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_HIX22
];
546 case BFD_RELOC_SPARC_GOTDATA_LOX10
:
547 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_LOX10
];
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22
:
550 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_HIX22
];
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10
:
553 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_LOX10
];
555 case BFD_RELOC_SPARC_GOTDATA_OP
:
556 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP
];
558 case BFD_RELOC_SPARC_H34
:
559 return &_bfd_sparc_elf_howto_table
[R_SPARC_H34
];
561 case BFD_RELOC_SPARC_SIZE32
:
562 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE32
];
564 case BFD_RELOC_SPARC_SIZE64
:
565 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE64
];
567 case BFD_RELOC_SPARC_WDISP10
:
568 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP10
];
570 case BFD_RELOC_SPARC_JMP_IREL
:
571 return &sparc_jmp_irel_howto
;
573 case BFD_RELOC_SPARC_IRELATIVE
:
574 return &sparc_irelative_howto
;
576 case BFD_RELOC_VTABLE_INHERIT
:
577 return &sparc_vtinherit_howto
;
579 case BFD_RELOC_VTABLE_ENTRY
:
580 return &sparc_vtentry_howto
;
582 case BFD_RELOC_SPARC_REV32
:
583 return &sparc_rev32_howto
;
588 /* xgettext:c-format */
589 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd
, (int) code
);
590 bfd_set_error (bfd_error_bad_value
);
595 _bfd_sparc_elf_reloc_name_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
600 for (i
= 0; i
< ARRAY_SIZE (_bfd_sparc_elf_howto_table
); i
++)
601 if (_bfd_sparc_elf_howto_table
[i
].name
!= NULL
602 && strcasecmp (_bfd_sparc_elf_howto_table
[i
].name
, r_name
) == 0)
603 return &_bfd_sparc_elf_howto_table
[i
];
605 if (strcasecmp (sparc_vtinherit_howto
.name
, r_name
) == 0)
606 return &sparc_vtinherit_howto
;
607 if (strcasecmp (sparc_vtentry_howto
.name
, r_name
) == 0)
608 return &sparc_vtentry_howto
;
609 if (strcasecmp (sparc_rev32_howto
.name
, r_name
) == 0)
610 return &sparc_rev32_howto
;
616 _bfd_sparc_elf_info_to_howto_ptr (bfd
*abfd ATTRIBUTE_UNUSED
,
621 case R_SPARC_JMP_IREL
:
622 return &sparc_jmp_irel_howto
;
624 case R_SPARC_IRELATIVE
:
625 return &sparc_irelative_howto
;
627 case R_SPARC_GNU_VTINHERIT
:
628 return &sparc_vtinherit_howto
;
630 case R_SPARC_GNU_VTENTRY
:
631 return &sparc_vtentry_howto
;
634 return &sparc_rev32_howto
;
637 if (r_type
>= (unsigned int) R_SPARC_max_std
)
639 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
641 bfd_set_error (bfd_error_bad_value
);
644 return &_bfd_sparc_elf_howto_table
[r_type
];
648 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
649 so just take advantage of that. */
650 #define SPARC_ELF_R_TYPE(r_info) \
654 _bfd_sparc_elf_info_to_howto (bfd
*abfd
, arelent
*cache_ptr
,
655 Elf_Internal_Rela
*dst
)
657 unsigned int r_type
= SPARC_ELF_R_TYPE (dst
->r_info
);
659 if ((cache_ptr
->howto
= _bfd_sparc_elf_info_to_howto_ptr (abfd
, r_type
)) == NULL
)
661 bfd_set_error (bfd_error_bad_value
);
668 /* The nop opcode we use. */
669 #define SPARC_NOP 0x01000000
671 #define SPARC_INSN_BYTES 4
673 /* Is an undefined weak symbol resolved to 0 ?
674 Reference to an undefined weak symbol is resolved to 0 when
675 building an executable if it isn't dynamic and
676 1. Has non-GOT/non-PLT relocations in text section.
678 2. Has no GOT/PLT relocation. */
679 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
680 ((EH)->elf.root.type == bfd_link_hash_undefweak \
681 && bfd_link_executable (INFO) \
682 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
683 || !(INFO)->dynamic_undefined_weak \
684 || (EH)->has_non_got_reloc \
685 || !(EH)->has_got_reloc))
687 /* SPARC ELF linker hash entry. */
689 struct _bfd_sparc_elf_link_hash_entry
691 struct elf_link_hash_entry elf
;
693 #define GOT_UNKNOWN 0
697 unsigned char tls_type
;
699 /* Symbol has GOT or PLT relocations. */
700 unsigned int has_got_reloc
: 1;
702 /* Symbol has old-style, non-relaxable GOT relocations. */
703 unsigned int has_old_style_got_reloc
: 1;
705 /* Symbol has non-GOT/non-PLT relocations in text sections. */
706 unsigned int has_non_got_reloc
: 1;
710 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
712 struct _bfd_sparc_elf_obj_tdata
714 struct elf_obj_tdata root
;
716 /* tls_type for each local got entry. */
717 char *local_got_tls_type
;
719 /* TRUE if TLS GD relocs has been seen for this object. */
720 bfd_boolean has_tlsgd
;
723 #define _bfd_sparc_elf_tdata(abfd) \
724 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
726 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
727 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
729 #define is_sparc_elf(bfd) \
730 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
731 && elf_tdata (bfd) != NULL \
732 && elf_object_id (bfd) == SPARC_ELF_DATA)
735 _bfd_sparc_elf_mkobject (bfd
*abfd
)
737 return bfd_elf_allocate_object (abfd
, sizeof (struct _bfd_sparc_elf_obj_tdata
),
742 sparc_put_word_32 (bfd
*abfd
, bfd_vma val
, void *ptr
)
744 bfd_put_32 (abfd
, val
, ptr
);
748 sparc_put_word_64 (bfd
*abfd
, bfd_vma val
, void *ptr
)
750 bfd_put_64 (abfd
, val
, ptr
);
754 sparc_elf_append_rela (bfd
*abfd
, asection
*s
, Elf_Internal_Rela
*rel
)
756 const struct elf_backend_data
*bed
;
759 bed
= get_elf_backend_data (abfd
);
760 BFD_ASSERT (s
->reloc_count
* bed
->s
->sizeof_rela
< s
->size
);
761 loc
= s
->contents
+ (s
->reloc_count
++ * bed
->s
->sizeof_rela
);
762 bed
->s
->swap_reloca_out (abfd
, rel
, loc
);
766 sparc_elf_r_info_64 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
767 bfd_vma rel_index ATTRIBUTE_UNUSED
,
768 bfd_vma type ATTRIBUTE_UNUSED
)
770 return ELF64_R_INFO (rel_index
,
772 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel
->r_info
),
777 sparc_elf_r_info_32 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
778 bfd_vma rel_index
, bfd_vma type
)
780 return ELF32_R_INFO (rel_index
, type
);
784 sparc_elf_r_symndx_64 (bfd_vma r_info
)
786 bfd_vma r_symndx
= ELF32_R_SYM (r_info
);
787 return (r_symndx
>> 24);
791 sparc_elf_r_symndx_32 (bfd_vma r_info
)
793 return ELF32_R_SYM (r_info
);
798 #define PLT32_ENTRY_SIZE 12
799 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
801 /* The first four entries in a 32-bit procedure linkage table are reserved,
802 and the initial contents are unimportant (we zero them out).
803 Subsequent entries look like this. See the SVR4 ABI SPARC
804 supplement to see how this works. */
806 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
807 #define PLT32_ENTRY_WORD0 0x03000000
808 /* b,a .plt0. We fill in the offset later. */
809 #define PLT32_ENTRY_WORD1 0x30800000
811 #define PLT32_ENTRY_WORD2 SPARC_NOP
814 sparc32_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
815 bfd_vma max ATTRIBUTE_UNUSED
,
818 bfd_put_32 (output_bfd
,
819 PLT32_ENTRY_WORD0
+ offset
,
820 splt
->contents
+ offset
);
821 bfd_put_32 (output_bfd
,
823 + (((- (offset
+ 4)) >> 2) & 0x3fffff)),
824 splt
->contents
+ offset
+ 4);
825 bfd_put_32 (output_bfd
, (bfd_vma
) PLT32_ENTRY_WORD2
,
826 splt
->contents
+ offset
+ 8);
830 return offset
/ PLT32_ENTRY_SIZE
- 4;
833 /* Both the headers and the entries are icache aligned. */
834 #define PLT64_ENTRY_SIZE 32
835 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
836 #define PLT64_LARGE_THRESHOLD 32768
839 sparc64_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
840 bfd_vma max
, bfd_vma
*r_offset
)
842 unsigned char *entry
= splt
->contents
+ offset
;
843 const unsigned int nop
= SPARC_NOP
;
846 if (offset
< (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
848 unsigned int sethi
, ba
;
852 plt_index
= (offset
/ PLT64_ENTRY_SIZE
);
854 sethi
= 0x03000000 | (plt_index
* PLT64_ENTRY_SIZE
);
856 | (((splt
->contents
+ PLT64_ENTRY_SIZE
) - (entry
+ 4)) / 4 & 0x7ffff);
858 bfd_put_32 (output_bfd
, (bfd_vma
) sethi
, entry
);
859 bfd_put_32 (output_bfd
, (bfd_vma
) ba
, entry
+ 4);
860 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 8);
861 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 12);
862 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 16);
863 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 20);
864 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 24);
865 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 28);
871 int block
, last_block
, ofs
, last_ofs
, chunks_this_block
;
872 const int insn_chunk_size
= (6 * 4);
873 const int ptr_chunk_size
= (1 * 8);
874 const int entries_per_block
= 160;
875 const int block_size
= entries_per_block
* (insn_chunk_size
878 /* Entries 32768 and higher are grouped into blocks of 160.
879 The blocks are further subdivided into 160 sequences of
880 6 instructions and 160 pointers. If a block does not require
881 the full 160 entries, let's say it requires N, then there
882 will be N sequences of 6 instructions and N pointers. */
884 offset
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
885 max
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
887 block
= offset
/ block_size
;
888 last_block
= max
/ block_size
;
889 if (block
!= last_block
)
891 chunks_this_block
= 160;
895 last_ofs
= max
% block_size
;
896 chunks_this_block
= last_ofs
/ (insn_chunk_size
+ ptr_chunk_size
);
899 ofs
= offset
% block_size
;
901 plt_index
= (PLT64_LARGE_THRESHOLD
+
903 (ofs
/ insn_chunk_size
));
906 + (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
907 + (block
* block_size
)
908 + (chunks_this_block
* insn_chunk_size
)
909 + (ofs
/ insn_chunk_size
) * ptr_chunk_size
;
911 *r_offset
= (bfd_vma
) (ptr
- splt
->contents
);
913 ldx
= 0xc25be000 | ((ptr
- (entry
+4)) & 0x1fff);
921 bfd_put_32 (output_bfd
, (bfd_vma
) 0x8a10000f, entry
);
922 bfd_put_32 (output_bfd
, (bfd_vma
) 0x40000002, entry
+ 4);
923 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
, entry
+ 8);
924 bfd_put_32 (output_bfd
, (bfd_vma
) ldx
, entry
+ 12);
925 bfd_put_32 (output_bfd
, (bfd_vma
) 0x83c3c001, entry
+ 16);
926 bfd_put_32 (output_bfd
, (bfd_vma
) 0x9e100005, entry
+ 20);
928 bfd_put_64 (output_bfd
, (bfd_vma
) (splt
->contents
- (entry
+ 4)), ptr
);
931 return plt_index
- 4;
934 /* The format of the first PLT entry in a VxWorks executable. */
935 static const bfd_vma sparc_vxworks_exec_plt0_entry
[] =
937 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
938 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
939 0xc4008000, /* ld [ %g2 ], %g2 */
940 0x81c08000, /* jmp %g2 */
944 /* The format of subsequent PLT entries. */
945 static const bfd_vma sparc_vxworks_exec_plt_entry
[] =
947 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
948 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
949 0xc2004000, /* ld [ %g1 ], %g1 */
950 0x81c04000, /* jmp %g1 */
951 0x01000000, /* nop */
952 0x03000000, /* sethi %hi(f@pltindex), %g1 */
953 0x10800000, /* b _PLT_resolve */
954 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
957 /* The format of the first PLT entry in a VxWorks shared object. */
958 static const bfd_vma sparc_vxworks_shared_plt0_entry
[] =
960 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
961 0x81c08000, /* jmp %g2 */
965 /* The format of subsequent PLT entries. */
966 static const bfd_vma sparc_vxworks_shared_plt_entry
[] =
968 0x03000000, /* sethi %hi(f@got), %g1 */
969 0x82106000, /* or %g1, %lo(f@got), %g1 */
970 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
971 0x81c04000, /* jmp %g1 */
972 0x01000000, /* nop */
973 0x03000000, /* sethi %hi(f@pltindex), %g1 */
974 0x10800000, /* b _PLT_resolve */
975 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
978 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
979 htab->put_word(bfd, val, ptr)
981 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
982 htab->r_info(in_rel, index, type)
984 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
985 htab->r_symndx(r_info)
987 #define SPARC_ELF_WORD_BYTES(htab) \
990 #define SPARC_ELF_RELA_BYTES(htab) \
993 #define SPARC_ELF_DTPOFF_RELOC(htab) \
996 #define SPARC_ELF_DTPMOD_RELOC(htab) \
999 #define SPARC_ELF_TPOFF_RELOC(htab) \
1002 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1003 htab->build_plt_entry (obfd, splt, off, max, r_off)
1005 /* Create an entry in an SPARC ELF linker hash table. */
1007 static struct bfd_hash_entry
*
1008 link_hash_newfunc (struct bfd_hash_entry
*entry
,
1009 struct bfd_hash_table
*table
, const char *string
)
1011 /* Allocate the structure if it has not already been allocated by a
1015 entry
= bfd_hash_allocate (table
,
1016 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1021 /* Call the allocation method of the superclass. */
1022 entry
= _bfd_elf_link_hash_newfunc (entry
, table
, string
);
1025 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1027 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) entry
;
1028 eh
->tls_type
= GOT_UNKNOWN
;
1029 eh
->has_got_reloc
= 0;
1030 eh
->has_non_got_reloc
= 0;
1036 /* The name of the dynamic interpreter. This is put in the .interp
1039 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1040 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1042 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1043 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1044 as global symbol. We reuse indx and dynstr_index for local symbol
1045 hash since they aren't used by global symbols in this backend. */
1048 elf_sparc_local_htab_hash (const void *ptr
)
1050 struct elf_link_hash_entry
*h
1051 = (struct elf_link_hash_entry
*) ptr
;
1052 return ELF_LOCAL_SYMBOL_HASH (h
->indx
, h
->dynstr_index
);
1055 /* Compare local hash entries. */
1058 elf_sparc_local_htab_eq (const void *ptr1
, const void *ptr2
)
1060 struct elf_link_hash_entry
*h1
1061 = (struct elf_link_hash_entry
*) ptr1
;
1062 struct elf_link_hash_entry
*h2
1063 = (struct elf_link_hash_entry
*) ptr2
;
1065 return h1
->indx
== h2
->indx
&& h1
->dynstr_index
== h2
->dynstr_index
;
1068 /* Find and/or create a hash entry for local symbol. */
1070 static struct elf_link_hash_entry
*
1071 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table
*htab
,
1072 bfd
*abfd
, const Elf_Internal_Rela
*rel
,
1075 struct _bfd_sparc_elf_link_hash_entry e
, *ret
;
1076 asection
*sec
= abfd
->sections
;
1077 unsigned long r_symndx
;
1081 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1082 h
= ELF_LOCAL_SYMBOL_HASH (sec
->id
, r_symndx
);
1084 e
.elf
.indx
= sec
->id
;
1085 e
.elf
.dynstr_index
= r_symndx
;
1086 slot
= htab_find_slot_with_hash (htab
->loc_hash_table
, &e
, h
,
1087 create
? INSERT
: NO_INSERT
);
1094 ret
= (struct _bfd_sparc_elf_link_hash_entry
*) *slot
;
1098 ret
= (struct _bfd_sparc_elf_link_hash_entry
*)
1099 objalloc_alloc ((struct objalloc
*) htab
->loc_hash_memory
,
1100 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1103 memset (ret
, 0, sizeof (*ret
));
1104 ret
->elf
.indx
= sec
->id
;
1105 ret
->elf
.dynstr_index
= r_symndx
;
1106 ret
->elf
.dynindx
= -1;
1107 ret
->elf
.plt
.offset
= (bfd_vma
) -1;
1108 ret
->elf
.got
.offset
= (bfd_vma
) -1;
1114 /* Destroy a SPARC ELF linker hash table. */
1117 _bfd_sparc_elf_link_hash_table_free (bfd
*obfd
)
1119 struct _bfd_sparc_elf_link_hash_table
*htab
1120 = (struct _bfd_sparc_elf_link_hash_table
*) obfd
->link
.hash
;
1122 if (htab
->loc_hash_table
)
1123 htab_delete (htab
->loc_hash_table
);
1124 if (htab
->loc_hash_memory
)
1125 objalloc_free ((struct objalloc
*) htab
->loc_hash_memory
);
1126 _bfd_elf_link_hash_table_free (obfd
);
1129 /* Create a SPARC ELF linker hash table. */
1131 struct bfd_link_hash_table
*
1132 _bfd_sparc_elf_link_hash_table_create (bfd
*abfd
)
1134 struct _bfd_sparc_elf_link_hash_table
*ret
;
1135 size_t amt
= sizeof (struct _bfd_sparc_elf_link_hash_table
);
1137 ret
= (struct _bfd_sparc_elf_link_hash_table
*) bfd_zmalloc (amt
);
1141 if (ABI_64_P (abfd
))
1143 ret
->put_word
= sparc_put_word_64
;
1144 ret
->r_info
= sparc_elf_r_info_64
;
1145 ret
->r_symndx
= sparc_elf_r_symndx_64
;
1146 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF64
;
1147 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD64
;
1148 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF64
;
1149 ret
->word_align_power
= 3;
1150 ret
->align_power_max
= 4;
1151 ret
->bytes_per_word
= 8;
1152 ret
->bytes_per_rela
= sizeof (Elf64_External_Rela
);
1153 ret
->dynamic_interpreter
= ELF64_DYNAMIC_INTERPRETER
;
1154 ret
->dynamic_interpreter_size
= sizeof ELF64_DYNAMIC_INTERPRETER
;
1156 ret
->build_plt_entry
= sparc64_plt_entry_build
;
1157 ret
->plt_header_size
= PLT64_HEADER_SIZE
;
1158 ret
->plt_entry_size
= PLT64_ENTRY_SIZE
;
1162 ret
->put_word
= sparc_put_word_32
;
1163 ret
->r_info
= sparc_elf_r_info_32
;
1164 ret
->r_symndx
= sparc_elf_r_symndx_32
;
1165 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF32
;
1166 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD32
;
1167 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF32
;
1168 ret
->word_align_power
= 2;
1169 ret
->align_power_max
= 3;
1170 ret
->bytes_per_word
= 4;
1171 ret
->bytes_per_rela
= sizeof (Elf32_External_Rela
);
1172 ret
->dynamic_interpreter
= ELF32_DYNAMIC_INTERPRETER
;
1173 ret
->dynamic_interpreter_size
= sizeof ELF32_DYNAMIC_INTERPRETER
;
1175 ret
->build_plt_entry
= sparc32_plt_entry_build
;
1176 ret
->plt_header_size
= PLT32_HEADER_SIZE
;
1177 ret
->plt_entry_size
= PLT32_ENTRY_SIZE
;
1180 if (!_bfd_elf_link_hash_table_init (&ret
->elf
, abfd
, link_hash_newfunc
,
1181 sizeof (struct _bfd_sparc_elf_link_hash_entry
),
1188 ret
->loc_hash_table
= htab_try_create (1024,
1189 elf_sparc_local_htab_hash
,
1190 elf_sparc_local_htab_eq
,
1192 ret
->loc_hash_memory
= objalloc_create ();
1193 if (!ret
->loc_hash_table
|| !ret
->loc_hash_memory
)
1195 _bfd_sparc_elf_link_hash_table_free (abfd
);
1198 ret
->elf
.root
.hash_table_free
= _bfd_sparc_elf_link_hash_table_free
;
1200 return &ret
->elf
.root
;
1203 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1204 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1208 _bfd_sparc_elf_create_dynamic_sections (bfd
*dynobj
,
1209 struct bfd_link_info
*info
)
1211 struct _bfd_sparc_elf_link_hash_table
*htab
;
1213 htab
= _bfd_sparc_elf_hash_table (info
);
1214 BFD_ASSERT (htab
!= NULL
);
1216 if (!_bfd_elf_create_dynamic_sections (dynobj
, info
))
1219 if (htab
->is_vxworks
)
1221 if (!elf_vxworks_create_dynamic_sections (dynobj
, info
, &htab
->srelplt2
))
1223 if (bfd_link_pic (info
))
1225 htab
->plt_header_size
1226 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
);
1227 htab
->plt_entry_size
1228 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry
);
1232 htab
->plt_header_size
1233 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry
);
1234 htab
->plt_entry_size
1235 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry
);
1239 if (!htab
->elf
.splt
|| !htab
->elf
.srelplt
|| !htab
->elf
.sdynbss
1240 || (!bfd_link_pic (info
) && !htab
->elf
.srelbss
))
1247 create_ifunc_sections (bfd
*abfd
, struct bfd_link_info
*info
)
1249 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
1250 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
1251 flagword flags
, pltflags
;
1254 if (htab
->irelifunc
!= NULL
|| htab
->iplt
!= NULL
)
1257 flags
= bed
->dynamic_sec_flags
;
1258 pltflags
= flags
| SEC_ALLOC
| SEC_CODE
| SEC_LOAD
;
1260 s
= bfd_make_section_with_flags (abfd
, ".iplt", pltflags
);
1262 || !bfd_set_section_alignment (s
, bed
->plt_alignment
))
1266 s
= bfd_make_section_with_flags (abfd
, ".rela.iplt",
1267 flags
| SEC_READONLY
);
1269 || !bfd_set_section_alignment (s
, bed
->s
->log_file_align
))
1276 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1279 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info
*info
,
1280 struct elf_link_hash_entry
*dir
,
1281 struct elf_link_hash_entry
*ind
)
1283 struct _bfd_sparc_elf_link_hash_entry
*edir
, *eind
;
1285 edir
= (struct _bfd_sparc_elf_link_hash_entry
*) dir
;
1286 eind
= (struct _bfd_sparc_elf_link_hash_entry
*) ind
;
1288 if (ind
->dyn_relocs
!= NULL
)
1290 if (dir
->dyn_relocs
!= NULL
)
1292 struct elf_dyn_relocs
**pp
;
1293 struct elf_dyn_relocs
*p
;
1295 /* Add reloc counts against the indirect sym to the direct sym
1296 list. Merge any entries against the same section. */
1297 for (pp
= &ind
->dyn_relocs
; (p
= *pp
) != NULL
; )
1299 struct elf_dyn_relocs
*q
;
1301 for (q
= dir
->dyn_relocs
; q
!= NULL
; q
= q
->next
)
1302 if (q
->sec
== p
->sec
)
1304 q
->pc_count
+= p
->pc_count
;
1305 q
->count
+= p
->count
;
1312 *pp
= dir
->dyn_relocs
;
1315 dir
->dyn_relocs
= ind
->dyn_relocs
;
1316 ind
->dyn_relocs
= NULL
;
1319 if (ind
->root
.type
== bfd_link_hash_indirect
&& dir
->got
.refcount
<= 0)
1321 edir
->tls_type
= eind
->tls_type
;
1322 eind
->tls_type
= GOT_UNKNOWN
;
1325 /* Copy has_got_reloc and has_non_got_reloc. */
1326 edir
->has_got_reloc
|= eind
->has_got_reloc
;
1327 edir
->has_non_got_reloc
|= eind
->has_non_got_reloc
;
1329 _bfd_elf_link_hash_copy_indirect (info
, dir
, ind
);
1333 sparc_elf_tls_transition (struct bfd_link_info
*info
, bfd
*abfd
,
1334 int r_type
, int is_local
)
1336 if (! ABI_64_P (abfd
)
1337 && r_type
== R_SPARC_TLS_GD_HI22
1338 && ! _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
)
1339 return R_SPARC_REV32
;
1341 if (!bfd_link_executable (info
))
1346 case R_SPARC_TLS_GD_HI22
:
1347 return is_local
? R_SPARC_TLS_LE_HIX22
: R_SPARC_TLS_IE_HI22
;
1348 case R_SPARC_TLS_GD_LO10
:
1349 return is_local
? R_SPARC_TLS_LE_LOX10
: R_SPARC_TLS_IE_LO10
;
1350 case R_SPARC_TLS_LDM_HI22
:
1351 return R_SPARC_TLS_LE_HIX22
;
1352 case R_SPARC_TLS_LDM_LO10
:
1353 return R_SPARC_TLS_LE_LOX10
;
1354 case R_SPARC_TLS_IE_HI22
:
1355 return is_local
? R_SPARC_TLS_LE_HIX22
: r_type
;
1356 case R_SPARC_TLS_IE_LO10
:
1357 return is_local
? R_SPARC_TLS_LE_LOX10
: r_type
;
1363 /* Look through the relocs for a section during the first phase, and
1364 allocate space in the global offset table or procedure linkage
1368 _bfd_sparc_elf_check_relocs (bfd
*abfd
, struct bfd_link_info
*info
,
1369 asection
*sec
, const Elf_Internal_Rela
*relocs
)
1371 struct _bfd_sparc_elf_link_hash_table
*htab
;
1372 Elf_Internal_Shdr
*symtab_hdr
;
1373 struct elf_link_hash_entry
**sym_hashes
;
1374 const Elf_Internal_Rela
*rel
;
1375 const Elf_Internal_Rela
*rel_end
;
1378 bfd_boolean checked_tlsgd
= FALSE
;
1380 if (bfd_link_relocatable (info
))
1383 htab
= _bfd_sparc_elf_hash_table (info
);
1384 BFD_ASSERT (htab
!= NULL
);
1385 symtab_hdr
= &elf_symtab_hdr (abfd
);
1386 sym_hashes
= elf_sym_hashes (abfd
);
1390 if (ABI_64_P (abfd
))
1391 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec
));
1393 num_relocs
= sec
->reloc_count
;
1395 BFD_ASSERT (is_sparc_elf (abfd
) || num_relocs
== 0);
1397 if (htab
->elf
.dynobj
== NULL
)
1398 htab
->elf
.dynobj
= abfd
;
1399 if (!create_ifunc_sections (htab
->elf
.dynobj
, info
))
1402 rel_end
= relocs
+ num_relocs
;
1403 for (rel
= relocs
; rel
< rel_end
; rel
++)
1405 unsigned int r_type
;
1406 unsigned int r_symndx
;
1407 struct elf_link_hash_entry
*h
;
1408 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1409 Elf_Internal_Sym
*isym
;
1411 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1412 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1414 if (r_symndx
>= NUM_SHDR_ENTRIES (symtab_hdr
))
1416 /* xgettext:c-format */
1417 _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd
, r_symndx
);
1422 if (r_symndx
< symtab_hdr
->sh_info
)
1424 /* A local symbol. */
1425 isym
= bfd_sym_from_r_symndx (&htab
->sym_cache
, abfd
, r_symndx
);
1429 /* Check relocation against local STT_GNU_IFUNC symbol. */
1430 if (ELF_ST_TYPE (isym
->st_info
) == STT_GNU_IFUNC
)
1432 h
= elf_sparc_get_local_sym_hash (htab
, abfd
, rel
, TRUE
);
1436 /* Fake a STT_GNU_IFUNC symbol. */
1437 h
->type
= STT_GNU_IFUNC
;
1440 h
->forced_local
= 1;
1441 h
->root
.type
= bfd_link_hash_defined
;
1448 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1449 while (h
->root
.type
== bfd_link_hash_indirect
1450 || h
->root
.type
== bfd_link_hash_warning
)
1451 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1454 if (h
&& h
->type
== STT_GNU_IFUNC
&& h
->def_regular
)
1457 h
->plt
.refcount
+= 1;
1460 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1461 with R_SPARC_TLS_GD_HI22. */
1462 if (! ABI_64_P (abfd
) && ! checked_tlsgd
)
1465 case R_SPARC_TLS_GD_HI22
:
1467 const Elf_Internal_Rela
*relt
;
1469 for (relt
= rel
+ 1; relt
< rel_end
; relt
++)
1470 if (ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_LO10
1471 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_ADD
1472 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_CALL
)
1474 checked_tlsgd
= TRUE
;
1475 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= relt
< rel_end
;
1478 case R_SPARC_TLS_GD_LO10
:
1479 case R_SPARC_TLS_GD_ADD
:
1480 case R_SPARC_TLS_GD_CALL
:
1481 checked_tlsgd
= TRUE
;
1482 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= TRUE
;
1486 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
1487 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1491 case R_SPARC_TLS_LDM_HI22
:
1492 case R_SPARC_TLS_LDM_LO10
:
1493 htab
->tls_ldm_got
.refcount
+= 1;
1495 eh
->has_got_reloc
= 1;
1498 case R_SPARC_TLS_LE_HIX22
:
1499 case R_SPARC_TLS_LE_LOX10
:
1500 if (!bfd_link_executable (info
))
1504 case R_SPARC_TLS_IE_HI22
:
1505 case R_SPARC_TLS_IE_LO10
:
1506 if (!bfd_link_executable (info
))
1507 info
->flags
|= DF_STATIC_TLS
;
1513 case R_SPARC_GOTDATA_HIX22
:
1514 case R_SPARC_GOTDATA_LOX10
:
1515 case R_SPARC_GOTDATA_OP_HIX22
:
1516 case R_SPARC_GOTDATA_OP_LOX10
:
1517 case R_SPARC_TLS_GD_HI22
:
1518 case R_SPARC_TLS_GD_LO10
:
1519 /* This symbol requires a global offset table entry. */
1521 int tls_type
, old_tls_type
;
1525 case R_SPARC_TLS_GD_HI22
:
1526 case R_SPARC_TLS_GD_LO10
:
1527 tls_type
= GOT_TLS_GD
;
1529 case R_SPARC_TLS_IE_HI22
:
1530 case R_SPARC_TLS_IE_LO10
:
1531 tls_type
= GOT_TLS_IE
;
1534 tls_type
= GOT_NORMAL
;
1540 h
->got
.refcount
+= 1;
1541 old_tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
1545 bfd_signed_vma
*local_got_refcounts
;
1547 /* This is a global offset table entry for a local symbol. */
1548 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1549 if (local_got_refcounts
== NULL
)
1553 size
= symtab_hdr
->sh_info
;
1554 size
*= (sizeof (bfd_signed_vma
) + sizeof(char));
1555 local_got_refcounts
= ((bfd_signed_vma
*)
1556 bfd_zalloc (abfd
, size
));
1557 if (local_got_refcounts
== NULL
)
1559 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
1560 _bfd_sparc_elf_local_got_tls_type (abfd
)
1561 = (char *) (local_got_refcounts
+ symtab_hdr
->sh_info
);
1564 if (r_type
!= R_SPARC_GOTDATA_OP_HIX22
1565 && r_type
!= R_SPARC_GOTDATA_OP_LOX10
)
1566 local_got_refcounts
[r_symndx
] += 1;
1569 = _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
];
1572 /* If a TLS symbol is accessed using IE at least once, there is no
1573 point in using the dynamic model for it. */
1574 if (old_tls_type
!= tls_type
)
1576 if (old_tls_type
== GOT_UNKNOWN
)
1578 else if (old_tls_type
== GOT_TLS_GD
&& tls_type
== GOT_TLS_IE
)
1580 else if (old_tls_type
== GOT_TLS_IE
&& tls_type
== GOT_TLS_GD
)
1581 tls_type
= old_tls_type
;
1585 /* xgettext:c-format */
1586 (_("%pB: `%s' accessed both as normal and thread local symbol"),
1587 abfd
, h
? h
->root
.root
.string
: "<local>");
1592 _bfd_sparc_elf_hash_entry (h
)->tls_type
= tls_type
;
1594 _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
] = tls_type
;
1599 && !_bfd_elf_create_got_section (htab
->elf
.dynobj
, info
))
1604 eh
->has_got_reloc
= 1;
1605 if (r_type
== R_SPARC_GOT10
1606 || r_type
== R_SPARC_GOT13
1607 || r_type
== R_SPARC_GOT22
)
1608 eh
->has_old_style_got_reloc
= 1;
1612 case R_SPARC_TLS_GD_CALL
:
1613 case R_SPARC_TLS_LDM_CALL
:
1614 if (bfd_link_executable (info
))
1617 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1618 h
= (struct elf_link_hash_entry
*)
1619 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
1621 BFD_ASSERT (h
!= NULL
);
1624 case R_SPARC_WPLT30
:
1627 case R_SPARC_HIPLT22
:
1628 case R_SPARC_LOPLT10
:
1629 case R_SPARC_PCPLT32
:
1630 case R_SPARC_PCPLT22
:
1631 case R_SPARC_PCPLT10
:
1632 /* This symbol requires a procedure linkage table entry.
1633 We actually build the entry in adjust_dynamic_symbol,
1634 because this might be a case of linking PIC code without
1635 linking in any dynamic objects, in which case we don't
1636 need to generate a procedure linkage table after all. */
1640 if (! ABI_64_P (abfd
))
1642 /* The Solaris native assembler will generate a WPLT30
1643 reloc for a local symbol if you assemble a call from
1644 one section to another when using -K pic. We treat
1646 if (r_type
== R_SPARC_PLT32
)
1650 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1651 else if (r_type
== R_SPARC_WPLT30
)
1654 /* It does not make sense to have a procedure linkage
1655 table entry for a local symbol. */
1656 bfd_set_error (bfd_error_bad_value
);
1662 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
1665 h
->plt
.refcount
+= 1;
1667 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1668 eh
->has_got_reloc
= 1;
1673 case R_SPARC_PC_HH22
:
1674 case R_SPARC_PC_HM10
:
1675 case R_SPARC_PC_LM22
:
1680 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1685 case R_SPARC_DISP16
:
1686 case R_SPARC_DISP32
:
1687 case R_SPARC_DISP64
:
1688 case R_SPARC_WDISP30
:
1689 case R_SPARC_WDISP22
:
1690 case R_SPARC_WDISP19
:
1691 case R_SPARC_WDISP16
:
1692 case R_SPARC_WDISP10
:
1722 if (eh
!= NULL
&& (sec
->flags
& SEC_CODE
) != 0)
1723 eh
->has_non_got_reloc
= 1;
1726 if (h
!= NULL
&& !bfd_link_pic (info
))
1728 /* We may need a .plt entry if the function this reloc
1729 refers to is in a shared lib. */
1730 h
->plt
.refcount
+= 1;
1733 /* If we are creating a shared library, and this is a reloc
1734 against a global symbol, or a non PC relative reloc
1735 against a local symbol, then we need to copy the reloc
1736 into the shared library. However, if we are linking with
1737 -Bsymbolic, we do not need to copy a reloc against a
1738 global symbol which is defined in an object we are
1739 including in the link (i.e., DEF_REGULAR is set). At
1740 this point we have not seen all the input files, so it is
1741 possible that DEF_REGULAR is not set now but will be set
1742 later (it is never cleared). In case of a weak definition,
1743 DEF_REGULAR may be cleared later by a strong definition in
1744 a shared library. We account for that possibility below by
1745 storing information in the relocs_copied field of the hash
1746 table entry. A similar situation occurs when creating
1747 shared libraries and symbol visibility changes render the
1750 If on the other hand, we are creating an executable, we
1751 may need to keep relocations for symbols satisfied by a
1752 dynamic library if we manage to avoid copy relocs for the
1754 if ((bfd_link_pic (info
)
1755 && (sec
->flags
& SEC_ALLOC
) != 0
1756 && (! _bfd_sparc_elf_howto_table
[r_type
].pc_relative
1758 && (! SYMBOLIC_BIND (info
, h
)
1759 || h
->root
.type
== bfd_link_hash_defweak
1760 || !h
->def_regular
))))
1761 || (!bfd_link_pic (info
)
1762 && (sec
->flags
& SEC_ALLOC
) != 0
1764 && (h
->root
.type
== bfd_link_hash_defweak
1765 || !h
->def_regular
))
1766 || (!bfd_link_pic (info
)
1768 && h
->type
== STT_GNU_IFUNC
))
1770 struct elf_dyn_relocs
*p
;
1771 struct elf_dyn_relocs
**head
;
1773 /* When creating a shared object, we must copy these
1774 relocs into the output file. We create a reloc
1775 section in dynobj and make room for the reloc. */
1778 sreloc
= _bfd_elf_make_dynamic_reloc_section
1779 (sec
, htab
->elf
.dynobj
, htab
->word_align_power
,
1780 abfd
, /*rela?*/ TRUE
);
1786 /* If this is a global symbol, we count the number of
1787 relocations we need for this symbol. */
1789 head
= &h
->dyn_relocs
;
1792 /* Track dynamic relocs needed for local syms too.
1793 We really need local syms available to do this
1798 BFD_ASSERT (isym
!= NULL
);
1799 s
= bfd_section_from_elf_index (abfd
, isym
->st_shndx
);
1803 vpp
= &elf_section_data (s
)->local_dynrel
;
1804 head
= (struct elf_dyn_relocs
**) vpp
;
1808 if (p
== NULL
|| p
->sec
!= sec
)
1810 size_t amt
= sizeof *p
;
1811 p
= ((struct elf_dyn_relocs
*)
1812 bfd_alloc (htab
->elf
.dynobj
, amt
));
1823 if (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
)
1829 case R_SPARC_GNU_VTINHERIT
:
1830 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
1834 case R_SPARC_GNU_VTENTRY
:
1835 if (!bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
1839 case R_SPARC_REGISTER
:
1840 /* Nothing to do. */
1852 _bfd_sparc_elf_gc_mark_hook (asection
*sec
,
1853 struct bfd_link_info
*info
,
1854 Elf_Internal_Rela
*rel
,
1855 struct elf_link_hash_entry
*h
,
1856 Elf_Internal_Sym
*sym
)
1859 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1861 case R_SPARC_GNU_VTINHERIT
:
1862 case R_SPARC_GNU_VTENTRY
:
1866 if (!bfd_link_executable (info
))
1868 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1870 case R_SPARC_TLS_GD_CALL
:
1871 case R_SPARC_TLS_LDM_CALL
:
1872 /* This reloc implicitly references __tls_get_addr. We know
1873 another reloc will reference the same symbol as the one
1874 on this reloc, so the real symbol and section will be
1875 gc marked when processing the other reloc. That lets
1876 us handle __tls_get_addr here. */
1877 h
= elf_link_hash_lookup (elf_hash_table (info
), "__tls_get_addr",
1878 FALSE
, FALSE
, TRUE
);
1879 BFD_ASSERT (h
!= NULL
);
1881 if (h
->is_weakalias
)
1882 weakdef (h
)->mark
= 1;
1887 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
1890 static Elf_Internal_Rela
*
1891 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela
*rel
,
1892 Elf_Internal_Rela
*relend
,
1895 while (rel
< relend
)
1897 if (rel
->r_offset
== offset
)
1904 /* Remove undefined weak symbol from the dynamic symbol table if it
1905 is resolved to 0. */
1908 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info
*info
,
1909 struct elf_link_hash_entry
*h
)
1911 if (h
->dynindx
!= -1
1912 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
,
1913 _bfd_sparc_elf_hash_entry (h
)))
1916 _bfd_elf_strtab_delref (elf_hash_table (info
)->dynstr
,
1922 /* Find dynamic relocs for H that apply to read-only sections. */
1925 readonly_dynrelocs (struct elf_link_hash_entry
*h
)
1927 struct elf_dyn_relocs
*p
;
1929 for (p
= h
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
1931 asection
*s
= p
->sec
->output_section
;
1933 if (s
!= NULL
&& (s
->flags
& SEC_READONLY
) != 0)
1939 /* Adjust a symbol defined by a dynamic object and referenced by a
1940 regular object. The current definition is in some section of the
1941 dynamic object, but we're not including those sections. We have to
1942 change the definition to something the rest of the link can
1946 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info
*info
,
1947 struct elf_link_hash_entry
*h
)
1949 struct _bfd_sparc_elf_link_hash_table
*htab
;
1952 htab
= _bfd_sparc_elf_hash_table (info
);
1953 BFD_ASSERT (htab
!= NULL
);
1955 /* Make sure we know what is going on here. */
1956 BFD_ASSERT (htab
->elf
.dynobj
!= NULL
1958 || h
->type
== STT_GNU_IFUNC
1962 && !h
->def_regular
)));
1964 /* If this is a function, put it in the procedure linkage table. We
1965 will fill in the contents of the procedure linkage table later
1966 (although we could actually do it here). The STT_NOTYPE
1967 condition is a hack specifically for the Oracle libraries
1968 delivered for Solaris; for some inexplicable reason, they define
1969 some of their functions as STT_NOTYPE when they really should be
1971 if (h
->type
== STT_FUNC
1972 || h
->type
== STT_GNU_IFUNC
1974 || (h
->type
== STT_NOTYPE
1975 && (h
->root
.type
== bfd_link_hash_defined
1976 || h
->root
.type
== bfd_link_hash_defweak
)
1977 && (h
->root
.u
.def
.section
->flags
& SEC_CODE
) != 0))
1979 if (h
->plt
.refcount
<= 0
1980 || (h
->type
!= STT_GNU_IFUNC
1981 && (SYMBOL_CALLS_LOCAL (info
, h
)
1982 || (h
->root
.type
== bfd_link_hash_undefweak
1983 && ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
))))
1985 /* This case can occur if we saw a WPLT30 reloc in an input
1986 file, but the symbol was never referred to by a dynamic
1987 object, or if all references were garbage collected. In
1988 such a case, we don't actually need to build a procedure
1989 linkage table, and we can just do a WDISP30 reloc instead. */
1990 h
->plt
.offset
= (bfd_vma
) -1;
1997 h
->plt
.offset
= (bfd_vma
) -1;
1999 /* If this is a weak symbol, and there is a real definition, the
2000 processor independent code will have arranged for us to see the
2001 real definition first, and we can just use the same value. */
2002 if (h
->is_weakalias
)
2004 struct elf_link_hash_entry
*def
= weakdef (h
);
2005 BFD_ASSERT (def
->root
.type
== bfd_link_hash_defined
);
2006 h
->root
.u
.def
.section
= def
->root
.u
.def
.section
;
2007 h
->root
.u
.def
.value
= def
->root
.u
.def
.value
;
2011 /* This is a reference to a symbol defined by a dynamic object which
2012 is not a function. */
2014 /* If we are creating a shared library, we must presume that the
2015 only references to the symbol are via the global offset table.
2016 For such cases we need not do anything here; the relocations will
2017 be handled correctly by relocate_section. */
2018 if (bfd_link_pic (info
))
2021 /* If there are no references to this symbol that do not use the
2022 GOT, we don't need to generate a copy reloc. */
2023 if (!h
->non_got_ref
)
2026 /* If -z nocopyreloc was given, we won't generate them either. */
2027 if (info
->nocopyreloc
)
2033 /* If we don't find any dynamic relocs in read-only sections, then
2034 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2035 if (!readonly_dynrelocs (h
))
2041 /* We must allocate the symbol in our .dynbss section, which will
2042 become part of the .bss section of the executable. There will be
2043 an entry for this symbol in the .dynsym section. The dynamic
2044 object will contain position independent code, so all references
2045 from the dynamic object to this symbol will go through the global
2046 offset table. The dynamic linker will use the .dynsym entry to
2047 determine the address it must put in the global offset table, so
2048 both the dynamic object and the regular object will refer to the
2049 same memory location for the variable. */
2051 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2052 to copy the initial value out of the dynamic object and into the
2053 runtime process image. We need to remember the offset into the
2054 .rel.bss section we are going to use. */
2055 if ((h
->root
.u
.def
.section
->flags
& SEC_READONLY
) != 0)
2057 s
= htab
->elf
.sdynrelro
;
2058 srel
= htab
->elf
.sreldynrelro
;
2062 s
= htab
->elf
.sdynbss
;
2063 srel
= htab
->elf
.srelbss
;
2065 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0 && h
->size
!= 0)
2067 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2071 return _bfd_elf_adjust_dynamic_copy (info
, h
, s
);
2074 /* Allocate space in .plt, .got and associated reloc sections for
2078 allocate_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2080 struct bfd_link_info
*info
;
2081 struct _bfd_sparc_elf_link_hash_table
*htab
;
2082 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2083 struct elf_dyn_relocs
*p
;
2084 bfd_boolean resolved_to_zero
;
2086 if (h
->root
.type
== bfd_link_hash_indirect
)
2089 info
= (struct bfd_link_info
*) inf
;
2090 htab
= _bfd_sparc_elf_hash_table (info
);
2091 BFD_ASSERT (htab
!= NULL
);
2093 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2094 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
2096 if ((htab
->elf
.dynamic_sections_created
2097 && h
->plt
.refcount
> 0)
2098 || (h
->type
== STT_GNU_IFUNC
2102 /* Undefined weak syms won't yet be marked as dynamic. */
2103 if (h
->root
.type
== bfd_link_hash_undefweak
2104 && !resolved_to_zero
2106 && !h
->forced_local
)
2108 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2112 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info
), h
)
2113 || (h
->type
== STT_GNU_IFUNC
2116 asection
*s
= htab
->elf
.splt
;
2121 /* Allocate room for the header. */
2124 s
->size
= htab
->plt_header_size
;
2126 /* Allocate space for the .rela.plt.unloaded relocations. */
2127 if (htab
->is_vxworks
&& !bfd_link_pic (info
))
2128 htab
->srelplt2
->size
= sizeof (Elf32_External_Rela
) * 2;
2131 /* The procedure linkage table size is bounded by the magnitude
2132 of the offset we can describe in the entry. */
2133 if (s
->size
>= (SPARC_ELF_WORD_BYTES(htab
) == 8 ?
2134 (((bfd_vma
)1 << 31) << 1) : 0x400000))
2136 bfd_set_error (bfd_error_bad_value
);
2140 if (SPARC_ELF_WORD_BYTES(htab
) == 8
2141 && s
->size
>= PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
2143 bfd_vma off
= s
->size
- PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
;
2146 off
= (off
% (160 * PLT64_ENTRY_SIZE
)) / PLT64_ENTRY_SIZE
;
2148 h
->plt
.offset
= (s
->size
- (off
* 8));
2151 h
->plt
.offset
= s
->size
;
2153 /* If this symbol is not defined in a regular file, and we are
2154 not generating a shared library, then set the symbol to this
2155 location in the .plt. This is required to make function
2156 pointers compare as equal between the normal executable and
2157 the shared library. */
2158 if (! bfd_link_pic (info
)
2161 h
->root
.u
.def
.section
= s
;
2162 h
->root
.u
.def
.value
= h
->plt
.offset
;
2165 /* Make room for this entry. */
2166 s
->size
+= htab
->plt_entry_size
;
2168 /* There should be no PLT relocations against resolved undefined
2169 weak symbols in the executable. */
2170 if (!resolved_to_zero
)
2172 /* We also need to make an entry in the .rela.plt section. */
2173 if (s
== htab
->elf
.splt
)
2174 htab
->elf
.srelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2176 htab
->elf
.irelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2179 if (htab
->is_vxworks
)
2181 /* Allocate space for the .got.plt entry. */
2182 htab
->elf
.sgotplt
->size
+= 4;
2184 /* ...and for the .rela.plt.unloaded relocations. */
2185 if (!bfd_link_pic (info
))
2186 htab
->srelplt2
->size
+= sizeof (Elf32_External_Rela
) * 3;
2191 h
->plt
.offset
= (bfd_vma
) -1;
2197 h
->plt
.offset
= (bfd_vma
) -1;
2201 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2202 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2203 if (h
->got
.refcount
> 0
2204 && bfd_link_executable (info
)
2206 && _bfd_sparc_elf_hash_entry(h
)->tls_type
== GOT_TLS_IE
)
2207 h
->got
.offset
= (bfd_vma
) -1;
2208 else if (h
->got
.refcount
> 0)
2212 int tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
2214 /* Undefined weak syms won't yet be marked as dynamic. */
2215 if (h
->root
.type
== bfd_link_hash_undefweak
2216 && !resolved_to_zero
2218 && !h
->forced_local
)
2220 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2225 h
->got
.offset
= s
->size
;
2226 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2227 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2228 if (tls_type
== GOT_TLS_GD
)
2229 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2230 dyn
= htab
->elf
.dynamic_sections_created
;
2231 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2232 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
2233 if ((tls_type
== GOT_TLS_GD
&& h
->dynindx
== -1)
2234 || tls_type
== GOT_TLS_IE
2235 || h
->type
== STT_GNU_IFUNC
)
2236 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2237 else if (tls_type
== GOT_TLS_GD
)
2238 htab
->elf
.srelgot
->size
+= 2 * SPARC_ELF_RELA_BYTES (htab
);
2239 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
, bfd_link_pic (info
), h
)
2240 /* Even if the symbol isn't dynamic, we may generate a
2241 reloc for the dynamic linker in PIC mode. */
2242 || (h
->dynindx
== -1
2244 && h
->root
.type
!= bfd_link_hash_undefweak
2245 && bfd_link_pic (info
)))
2246 /* No dynamic relocations are needed against resolved
2247 undefined weak symbols in an executable. */
2248 && !(h
->root
.type
== bfd_link_hash_undefweak
2249 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2250 || resolved_to_zero
)))
2251 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2254 h
->got
.offset
= (bfd_vma
) -1;
2256 if (h
->dyn_relocs
== NULL
)
2259 /* In the shared -Bsymbolic case, discard space allocated for
2260 dynamic pc-relative relocs against symbols which turn out to be
2261 defined in regular objects. For the normal shared case, discard
2262 space for pc-relative relocs that have become local due to symbol
2263 visibility changes. */
2265 if (bfd_link_pic (info
))
2267 if (SYMBOL_CALLS_LOCAL (info
, h
))
2269 struct elf_dyn_relocs
**pp
;
2271 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
; )
2273 p
->count
-= p
->pc_count
;
2282 if (htab
->is_vxworks
)
2284 struct elf_dyn_relocs
**pp
;
2286 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
; )
2288 if (strcmp (p
->sec
->output_section
->name
, ".tls_vars") == 0)
2295 /* Also discard relocs on undefined weak syms with non-default
2296 visibility or in PIE. */
2297 if (h
->dyn_relocs
!= NULL
2298 && h
->root
.type
== bfd_link_hash_undefweak
)
2300 /* An undefined weak symbol is never
2301 bound locally in a shared library. */
2303 if (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2304 || resolved_to_zero
)
2308 /* Keep dynamic non-GOT/non-PLT relocation so that we
2309 can branch to 0 without PLT. */
2310 struct elf_dyn_relocs
**pp
;
2312 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
;)
2313 if (p
->pc_count
== 0)
2317 /* Remove other relocations. */
2318 p
->count
= p
->pc_count
;
2322 if (h
->dyn_relocs
!= NULL
)
2324 /* Make sure undefined weak symbols are output
2325 as dynamic symbols in PIEs for dynamic non-GOT
2326 non-PLT reloations. */
2327 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2332 h
->dyn_relocs
= NULL
;
2335 /* Make sure undefined weak symbols are output as a dynamic
2337 else if (h
->dynindx
== -1
2338 && !h
->forced_local
)
2340 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2347 /* For the non-shared case, discard space for relocs against
2348 symbols which turn out to need copy relocs or are not
2351 if ((!h
->non_got_ref
2352 || (h
->root
.type
== bfd_link_hash_undefweak
2353 && !resolved_to_zero
))
2356 || (htab
->elf
.dynamic_sections_created
2357 && (h
->root
.type
== bfd_link_hash_undefweak
2358 || h
->root
.type
== bfd_link_hash_undefined
))))
2360 /* Undefined weak syms won't yet be marked as dynamic. */
2361 if (h
->root
.type
== bfd_link_hash_undefweak
2362 && !resolved_to_zero
2364 && !h
->forced_local
)
2366 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2370 /* If that succeeded, we know we'll be keeping all the
2372 if (h
->dynindx
!= -1)
2376 h
->dyn_relocs
= NULL
;
2381 /* Finally, allocate space. */
2382 for (p
= h
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2384 asection
*sreloc
= elf_section_data (p
->sec
)->sreloc
;
2385 sreloc
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2391 /* Allocate space in .plt, .got and associated reloc sections for
2392 local dynamic relocs. */
2395 allocate_local_dynrelocs (void **slot
, void *inf
)
2397 struct elf_link_hash_entry
*h
2398 = (struct elf_link_hash_entry
*) *slot
;
2400 if (h
->type
!= STT_GNU_IFUNC
2404 || h
->root
.type
!= bfd_link_hash_defined
)
2407 return allocate_dynrelocs (h
, inf
);
2410 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2411 read-only sections. */
2414 maybe_set_textrel (struct elf_link_hash_entry
*h
, void *info_p
)
2418 if (h
->root
.type
== bfd_link_hash_indirect
)
2421 sec
= readonly_dynrelocs (h
);
2424 struct bfd_link_info
*info
= (struct bfd_link_info
*) info_p
;
2426 info
->flags
|= DF_TEXTREL
;
2427 info
->callbacks
->minfo
2428 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
2429 sec
->owner
, h
->root
.root
.string
, sec
);
2431 /* Not an error, just cut short the traversal. */
2437 /* Return true if the dynamic symbol for a given section should be
2438 omitted when creating a shared library. */
2441 _bfd_sparc_elf_omit_section_dynsym (bfd
*output_bfd
,
2442 struct bfd_link_info
*info
,
2445 /* We keep the .got section symbol so that explicit relocations
2446 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2447 can be turned into relocations against the .got symbol. */
2448 if (strcmp (p
->name
, ".got") == 0)
2451 return _bfd_elf_omit_section_dynsym_default (output_bfd
, info
, p
);
2454 /* Set the sizes of the dynamic sections. */
2457 _bfd_sparc_elf_size_dynamic_sections (bfd
*output_bfd
,
2458 struct bfd_link_info
*info
)
2460 struct _bfd_sparc_elf_link_hash_table
*htab
;
2465 htab
= _bfd_sparc_elf_hash_table (info
);
2466 BFD_ASSERT (htab
!= NULL
);
2467 dynobj
= htab
->elf
.dynobj
;
2468 BFD_ASSERT (dynobj
!= NULL
);
2470 if (elf_hash_table (info
)->dynamic_sections_created
)
2472 /* Set the contents of the .interp section to the interpreter. */
2473 if (bfd_link_executable (info
) && !info
->nointerp
)
2475 s
= bfd_get_linker_section (dynobj
, ".interp");
2476 BFD_ASSERT (s
!= NULL
);
2477 s
->size
= htab
->dynamic_interpreter_size
;
2478 s
->contents
= (unsigned char *) htab
->dynamic_interpreter
;
2483 /* Set up .got offsets for local syms, and space for local dynamic
2485 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2487 bfd_signed_vma
*local_got
;
2488 bfd_signed_vma
*end_local_got
;
2489 char *local_tls_type
;
2490 bfd_size_type locsymcount
;
2491 Elf_Internal_Shdr
*symtab_hdr
;
2494 if (! is_sparc_elf (ibfd
))
2497 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2499 struct elf_dyn_relocs
*p
;
2501 for (p
= elf_section_data (s
)->local_dynrel
; p
!= NULL
; p
= p
->next
)
2503 if (!bfd_is_abs_section (p
->sec
)
2504 && bfd_is_abs_section (p
->sec
->output_section
))
2506 /* Input section has been discarded, either because
2507 it is a copy of a linkonce section or due to
2508 linker script /DISCARD/, so we'll be discarding
2511 else if (htab
->is_vxworks
2512 && strcmp (p
->sec
->output_section
->name
,
2515 /* Relocations in vxworks .tls_vars sections are
2516 handled specially by the loader. */
2518 else if (p
->count
!= 0)
2520 srel
= elf_section_data (p
->sec
)->sreloc
;
2521 if (!htab
->elf
.dynamic_sections_created
)
2522 srel
= htab
->elf
.irelplt
;
2523 srel
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2524 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2526 info
->flags
|= DF_TEXTREL
;
2527 info
->callbacks
->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2528 p
->sec
->owner
, p
->sec
);
2534 local_got
= elf_local_got_refcounts (ibfd
);
2538 symtab_hdr
= &elf_symtab_hdr (ibfd
);
2539 locsymcount
= symtab_hdr
->sh_info
;
2540 end_local_got
= local_got
+ locsymcount
;
2541 local_tls_type
= _bfd_sparc_elf_local_got_tls_type (ibfd
);
2543 srel
= htab
->elf
.srelgot
;
2544 for (; local_got
< end_local_got
; ++local_got
, ++local_tls_type
)
2548 *local_got
= s
->size
;
2549 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2550 if (*local_tls_type
== GOT_TLS_GD
)
2551 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2552 if (bfd_link_pic (info
)
2553 || *local_tls_type
== GOT_TLS_GD
2554 || *local_tls_type
== GOT_TLS_IE
)
2555 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2558 *local_got
= (bfd_vma
) -1;
2562 if (htab
->tls_ldm_got
.refcount
> 0)
2564 /* Allocate 2 got entries and 1 dynamic reloc for
2565 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2566 htab
->tls_ldm_got
.offset
= htab
->elf
.sgot
->size
;
2567 htab
->elf
.sgot
->size
+= (2 * SPARC_ELF_WORD_BYTES (htab
));
2568 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2571 htab
->tls_ldm_got
.offset
= -1;
2573 /* Allocate global sym .plt and .got entries, and space for global
2574 sym dynamic relocs. */
2575 elf_link_hash_traverse (&htab
->elf
, allocate_dynrelocs
, info
);
2577 /* Allocate .plt and .got entries, and space for local symbols. */
2578 htab_traverse (htab
->loc_hash_table
, allocate_local_dynrelocs
, info
);
2580 if (! ABI_64_P (output_bfd
)
2581 && !htab
->is_vxworks
2582 && elf_hash_table (info
)->dynamic_sections_created
)
2584 /* Make space for the trailing nop in .plt. */
2585 if (htab
->elf
.splt
->size
> 0)
2586 htab
->elf
.splt
->size
+= 1 * SPARC_INSN_BYTES
;
2588 /* If the .got section is more than 0x1000 bytes, we add
2589 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2590 bit relocations have a greater chance of working.
2592 FIXME: Make this optimization work for 64-bit too. */
2593 if (htab
->elf
.sgot
->size
>= 0x1000
2594 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
2595 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
2598 /* The check_relocs and adjust_dynamic_symbol entry points have
2599 determined the sizes of the various dynamic sections. Allocate
2601 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2603 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2606 if (s
== htab
->elf
.splt
2607 || s
== htab
->elf
.sgot
2608 || s
== htab
->elf
.sdynbss
2609 || s
== htab
->elf
.sdynrelro
2610 || s
== htab
->elf
.iplt
2611 || s
== htab
->elf
.sgotplt
)
2613 /* Strip this section if we don't need it; see the
2616 else if (CONST_STRNEQ (s
->name
, ".rela"))
2620 /* We use the reloc_count field as a counter if we need
2621 to copy relocs into the output file. */
2627 /* It's not one of our sections. */
2633 /* If we don't need this section, strip it from the
2634 output file. This is mostly to handle .rela.bss and
2635 .rela.plt. We must create both sections in
2636 create_dynamic_sections, because they must be created
2637 before the linker maps input sections to output
2638 sections. The linker does that before
2639 adjust_dynamic_symbol is called, and it is that
2640 function which decides whether anything needs to go
2641 into these sections. */
2642 s
->flags
|= SEC_EXCLUDE
;
2646 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2649 /* Allocate memory for the section contents. Zero the memory
2650 for the benefit of .rela.plt, which has 4 unused entries
2651 at the beginning, and we don't want garbage. */
2652 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
2653 if (s
->contents
== NULL
)
2657 if (elf_hash_table (info
)->dynamic_sections_created
)
2659 /* Add some entries to the .dynamic section. We fill in the
2660 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2661 must add the entries now so that we get the correct size for
2662 the .dynamic section. The DT_DEBUG entry is filled in by the
2663 dynamic linker and used by the debugger. */
2664 #define add_dynamic_entry(TAG, VAL) \
2665 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2667 if (bfd_link_executable (info
))
2669 if (!add_dynamic_entry (DT_DEBUG
, 0))
2673 if (htab
->elf
.srelplt
->size
!= 0)
2675 if (!add_dynamic_entry (DT_PLTGOT
, 0)
2676 || !add_dynamic_entry (DT_PLTRELSZ
, 0)
2677 || !add_dynamic_entry (DT_PLTREL
, DT_RELA
)
2678 || !add_dynamic_entry (DT_JMPREL
, 0))
2682 if (!add_dynamic_entry (DT_RELA
, 0)
2683 || !add_dynamic_entry (DT_RELASZ
, 0)
2684 || !add_dynamic_entry (DT_RELAENT
,
2685 SPARC_ELF_RELA_BYTES (htab
)))
2688 /* If any dynamic relocs apply to a read-only section,
2689 then we need a DT_TEXTREL entry. */
2690 if ((info
->flags
& DF_TEXTREL
) == 0)
2691 elf_link_hash_traverse (&htab
->elf
, maybe_set_textrel
, info
);
2693 if (info
->flags
& DF_TEXTREL
)
2695 if (!add_dynamic_entry (DT_TEXTREL
, 0))
2699 if (ABI_64_P (output_bfd
))
2702 struct _bfd_sparc_elf_app_reg
* app_regs
;
2703 struct elf_strtab_hash
*dynstr
;
2704 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
2706 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2707 entries if needed. */
2708 app_regs
= _bfd_sparc_elf_hash_table (info
)->app_regs
;
2709 dynstr
= eht
->dynstr
;
2711 for (reg
= 0; reg
< 4; reg
++)
2712 if (app_regs
[reg
].name
!= NULL
)
2714 struct elf_link_local_dynamic_entry
*entry
, *e
;
2716 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
2719 entry
= (struct elf_link_local_dynamic_entry
*)
2720 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
2724 /* We cheat here a little bit: the symbol will not be local, so we
2725 put it at the end of the dynlocal linked list. We will fix it
2726 later on, as we have to fix other fields anyway. */
2727 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
2728 entry
->isym
.st_size
= 0;
2729 if (*app_regs
[reg
].name
!= '\0')
2731 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
2733 entry
->isym
.st_name
= 0;
2734 entry
->isym
.st_other
= 0;
2735 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
2737 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
2738 entry
->isym
.st_target_internal
= 0;
2740 entry
->input_bfd
= output_bfd
;
2741 entry
->input_indx
= -1;
2743 if (eht
->dynlocal
== NULL
)
2744 eht
->dynlocal
= entry
;
2747 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
2754 if (htab
->is_vxworks
2755 && !elf_vxworks_add_dynamic_entries (output_bfd
, info
))
2758 #undef add_dynamic_entry
2764 _bfd_sparc_elf_new_section_hook (bfd
*abfd
, asection
*sec
)
2766 if (!sec
->used_by_bfd
)
2768 struct _bfd_sparc_elf_section_data
*sdata
;
2769 size_t amt
= sizeof (*sdata
);
2771 sdata
= bfd_zalloc (abfd
, amt
);
2774 sec
->used_by_bfd
= sdata
;
2777 return _bfd_elf_new_section_hook (abfd
, sec
);
2781 _bfd_sparc_elf_relax_section (bfd
*abfd ATTRIBUTE_UNUSED
,
2782 struct bfd_section
*section
,
2783 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
,
2786 if (bfd_link_relocatable (link_info
))
2787 (*link_info
->callbacks
->einfo
)
2788 (_("%P%F: --relax and -r may not be used together\n"));
2791 sec_do_relax (section
) = 1;
2795 /* Return the base VMA address which should be subtracted from real addresses
2796 when resolving @dtpoff relocation.
2797 This is PT_TLS segment p_vaddr. */
2800 dtpoff_base (struct bfd_link_info
*info
)
2802 /* If tls_sec is NULL, we should have signalled an error already. */
2803 if (elf_hash_table (info
)->tls_sec
== NULL
)
2805 return elf_hash_table (info
)->tls_sec
->vma
;
2808 /* Return the relocation value for @tpoff relocation
2809 if STT_TLS virtual address is ADDRESS. */
2812 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
2814 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2815 const struct elf_backend_data
*bed
= get_elf_backend_data (info
->output_bfd
);
2816 bfd_vma static_tls_size
;
2818 /* If tls_sec is NULL, we should have signalled an error already. */
2819 if (htab
->tls_sec
== NULL
)
2822 /* Consider special static TLS alignment requirements. */
2823 static_tls_size
= BFD_ALIGN (htab
->tls_size
, bed
->static_tls_alignment
);
2824 return address
- static_tls_size
- htab
->tls_sec
->vma
;
2827 /* Return the relocation value for a %gdop relocation. */
2830 gdopoff (struct bfd_link_info
*info
, bfd_vma address
)
2832 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2835 got_base
= (htab
->hgot
->root
.u
.def
.value
2836 + htab
->hgot
->root
.u
.def
.section
->output_offset
2837 + htab
->hgot
->root
.u
.def
.section
->output_section
->vma
);
2839 return address
- got_base
;
2842 /* Return whether H is local and its ADDRESS is within 4G of
2843 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2844 sethi, xor sequence. */
2847 gdop_relative_offset_ok (struct bfd_link_info
*info
,
2848 struct elf_link_hash_entry
*h
,
2849 bfd_vma address ATTRIBUTE_UNUSED
)
2851 if (!SYMBOL_REFERENCES_LOCAL (info
, h
))
2853 /* If H is undefined, ADDRESS will be zero. We can't allow a
2854 relative offset to "zero" when producing PIEs or shared libs.
2855 Note that to get here with an undefined symbol it must also be
2856 hidden or internal visibility. */
2857 if (bfd_link_pic (info
)
2859 && (h
->root
.type
== bfd_link_hash_undefweak
2860 || h
->root
.type
== bfd_link_hash_undefined
))
2863 return gdopoff (info
, address
) + ((bfd_vma
) 1 << 32) < (bfd_vma
) 2 << 32;
2869 /* Relocate a SPARC ELF section. */
2872 _bfd_sparc_elf_relocate_section (bfd
*output_bfd
,
2873 struct bfd_link_info
*info
,
2875 asection
*input_section
,
2877 Elf_Internal_Rela
*relocs
,
2878 Elf_Internal_Sym
*local_syms
,
2879 asection
**local_sections
)
2881 struct _bfd_sparc_elf_link_hash_table
*htab
;
2882 Elf_Internal_Shdr
*symtab_hdr
;
2883 struct elf_link_hash_entry
**sym_hashes
;
2884 bfd_vma
*local_got_offsets
;
2887 Elf_Internal_Rela
*rel
;
2888 Elf_Internal_Rela
*relend
;
2890 bfd_boolean is_vxworks_tls
;
2892 htab
= _bfd_sparc_elf_hash_table (info
);
2893 BFD_ASSERT (htab
!= NULL
);
2894 symtab_hdr
= &elf_symtab_hdr (input_bfd
);
2895 sym_hashes
= elf_sym_hashes (input_bfd
);
2896 local_got_offsets
= elf_local_got_offsets (input_bfd
);
2898 if (elf_hash_table (info
)->hgot
== NULL
)
2901 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
2903 sreloc
= elf_section_data (input_section
)->sreloc
;
2904 /* We have to handle relocations in vxworks .tls_vars sections
2905 specially, because the dynamic loader is 'weird'. */
2906 is_vxworks_tls
= (htab
->is_vxworks
&& bfd_link_pic (info
)
2907 && !strcmp (input_section
->output_section
->name
,
2911 if (ABI_64_P (output_bfd
))
2912 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section
));
2914 num_relocs
= input_section
->reloc_count
;
2915 relend
= relocs
+ num_relocs
;
2916 for (; rel
< relend
; rel
++)
2918 int r_type
, tls_type
;
2919 reloc_howto_type
*howto
;
2920 unsigned long r_symndx
;
2921 struct elf_link_hash_entry
*h
;
2922 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2923 Elf_Internal_Sym
*sym
;
2925 bfd_vma relocation
, off
;
2926 bfd_reloc_status_type r
;
2927 bfd_boolean is_plt
= FALSE
;
2928 bfd_boolean unresolved_reloc
;
2929 bfd_boolean resolved_to_zero
;
2930 bfd_boolean relative_reloc
;
2932 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
2933 if (r_type
== R_SPARC_GNU_VTINHERIT
2934 || r_type
== R_SPARC_GNU_VTENTRY
)
2937 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
2939 bfd_set_error (bfd_error_bad_value
);
2943 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2944 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
2948 unresolved_reloc
= FALSE
;
2949 if (r_symndx
< symtab_hdr
->sh_info
)
2951 sym
= local_syms
+ r_symndx
;
2952 sec
= local_sections
[r_symndx
];
2953 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
2955 if (!bfd_link_relocatable (info
)
2956 && ELF_ST_TYPE (sym
->st_info
) == STT_GNU_IFUNC
)
2958 /* Relocate against local STT_GNU_IFUNC symbol. */
2959 h
= elf_sparc_get_local_sym_hash (htab
, input_bfd
,
2964 /* Set STT_GNU_IFUNC symbol value. */
2965 h
->root
.u
.def
.value
= sym
->st_value
;
2966 h
->root
.u
.def
.section
= sec
;
2971 bfd_boolean warned
, ignored
;
2973 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
2974 r_symndx
, symtab_hdr
, sym_hashes
,
2976 unresolved_reloc
, warned
, ignored
);
2979 /* To avoid generating warning messages about truncated
2980 relocations, set the relocation's address to be the same as
2981 the start of this section. */
2982 if (input_section
->output_section
!= NULL
)
2983 relocation
= input_section
->output_section
->vma
;
2989 if (sec
!= NULL
&& discarded_section (sec
))
2990 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
2991 rel
, 1, relend
, howto
, 0, contents
);
2993 if (bfd_link_relocatable (info
))
2997 && h
->type
== STT_GNU_IFUNC
3003 if ((input_section
->flags
& SEC_ALLOC
) == 0
3004 || h
->plt
.offset
== (bfd_vma
) -1)
3006 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
3007 STT_GNU_IFUNC symbol as STT_FUNC. */
3008 if (elf_section_type (input_section
) == SHT_NOTE
)
3013 plt_sec
= htab
->elf
.splt
;
3015 plt_sec
=htab
->elf
.iplt
;
3019 case R_SPARC_GOTDATA_OP
:
3022 case R_SPARC_GOTDATA_OP_HIX22
:
3023 case R_SPARC_GOTDATA_OP_LOX10
:
3024 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3027 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3033 if (htab
->elf
.sgot
== NULL
)
3035 off
= h
->got
.offset
;
3036 if (off
== (bfd_vma
) -1)
3038 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3041 case R_SPARC_WPLT30
:
3042 case R_SPARC_WDISP30
:
3043 relocation
= (plt_sec
->output_section
->vma
3044 + plt_sec
->output_offset
+ h
->plt
.offset
);
3049 if (bfd_link_pic (info
) && h
->non_got_ref
)
3051 Elf_Internal_Rela outrel
;
3054 offset
= _bfd_elf_section_offset (output_bfd
, info
,
3057 if (offset
== (bfd_vma
) -1
3058 || offset
== (bfd_vma
) -2)
3061 outrel
.r_offset
= (input_section
->output_section
->vma
3062 + input_section
->output_offset
3065 if (h
->dynindx
== -1
3067 || bfd_link_executable (info
))
3069 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3070 0, R_SPARC_IRELATIVE
);
3071 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3075 if (h
->dynindx
== -1)
3077 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3078 outrel
.r_addend
= rel
->r_addend
;
3081 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3085 relocation
= (plt_sec
->output_section
->vma
3086 + plt_sec
->output_offset
+ h
->plt
.offset
);
3091 /* We should only see such relocs in static links. */
3092 if (bfd_link_pic (info
))
3094 relocation
= (plt_sec
->output_section
->vma
3095 + plt_sec
->output_offset
+ h
->plt
.offset
);
3099 if (h
->root
.root
.string
)
3100 name
= h
->root
.root
.string
;
3102 name
= bfd_elf_sym_name (input_bfd
, symtab_hdr
, sym
,
3105 /* xgettext:c-format */
3106 (_("%pB: relocation %s against STT_GNU_IFUNC "
3107 "symbol `%s' isn't handled by %s"), input_bfd
,
3108 _bfd_sparc_elf_howto_table
[r_type
].name
,
3109 name
, __FUNCTION__
);
3110 bfd_set_error (bfd_error_bad_value
);
3116 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
3117 resolved_to_zero
= eh
&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
3121 case R_SPARC_GOTDATA_OP_HIX22
:
3122 case R_SPARC_GOTDATA_OP_LOX10
:
3123 if (gdop_relative_offset_ok (info
, h
, relocation
))
3125 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3126 ? R_SPARC_GOTDATA_HIX22
3127 : R_SPARC_GOTDATA_LOX10
);
3128 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3132 case R_SPARC_GOTDATA_OP
:
3133 if (gdop_relative_offset_ok (info
, h
, relocation
))
3135 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3137 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3138 relocation
= 0x80000000 | (insn
& 0x3e07c01f);
3139 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3141 /* If the symbol is global but not dynamic, an .rela.* slot has
3142 been allocated for it in the GOT so output R_SPARC_NONE here,
3143 if it isn't also subject to another, old-style GOT relocation.
3144 See also the handling of these GOT relocations just below. */
3148 && h
->root
.type
!= bfd_link_hash_undefweak
3149 && !eh
->has_old_style_got_reloc
3150 && (h
->got
.offset
& 1) == 0
3151 && bfd_link_pic (info
))
3153 asection
*s
= htab
->elf
.srelgot
;
3154 Elf_Internal_Rela outrel
;
3156 BFD_ASSERT (s
!= NULL
);
3158 memset (&outrel
, 0, sizeof outrel
);
3159 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3168 case R_SPARC_GOTDATA_HIX22
:
3169 case R_SPARC_GOTDATA_LOX10
:
3170 relocation
= gdopoff (info
, relocation
);
3173 case R_SPARC_GOTDATA_OP_HIX22
:
3174 case R_SPARC_GOTDATA_OP_LOX10
:
3178 /* Relocation is to the entry for this symbol in the global
3180 if (htab
->elf
.sgot
== NULL
)
3183 relative_reloc
= FALSE
;
3188 off
= h
->got
.offset
;
3189 BFD_ASSERT (off
!= (bfd_vma
) -1);
3190 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
3192 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
3193 bfd_link_pic (info
),
3195 || (bfd_link_pic (info
)
3196 && SYMBOL_REFERENCES_LOCAL (info
, h
)))
3198 /* This is actually a static link, or it is a
3199 -Bsymbolic link and the symbol is defined
3200 locally, or the symbol was forced to be local
3201 because of a version file. We must initialize
3202 this entry in the global offset table. Since the
3203 offset must always be a multiple of 8 for 64-bit
3204 and 4 for 32-bit, we use the least significant bit
3205 to record whether we have initialized it already.
3207 When doing a dynamic link, we create a .rela.got
3208 relocation entry to initialize the value. This
3209 is done in the finish_dynamic_symbol routine. */
3214 /* If this symbol isn't dynamic in PIC mode, treat it
3215 like a local symbol in PIC mode below. */
3216 if (h
->dynindx
== -1
3218 && h
->root
.type
!= bfd_link_hash_undefweak
3219 && bfd_link_pic (info
))
3220 relative_reloc
= TRUE
;
3222 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3223 htab
->elf
.sgot
->contents
+ off
);
3228 unresolved_reloc
= FALSE
;
3232 BFD_ASSERT (local_got_offsets
!= NULL
3233 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
3235 off
= local_got_offsets
[r_symndx
];
3237 /* The offset must always be a multiple of 8 on 64-bit and
3238 4 on 32-bit. We use the least significant bit to record
3239 whether we have already processed this entry. */
3244 /* For a local symbol in PIC mode, we need to generate a
3245 R_SPARC_RELATIVE reloc for the dynamic linker. */
3246 if (bfd_link_pic (info
))
3247 relative_reloc
= TRUE
;
3249 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3250 htab
->elf
.sgot
->contents
+ off
);
3251 local_got_offsets
[r_symndx
] |= 1;
3257 asection
*s
= htab
->elf
.srelgot
;
3258 Elf_Internal_Rela outrel
;
3260 BFD_ASSERT (s
!= NULL
);
3262 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3263 + htab
->elf
.sgot
->output_offset
3265 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3266 0, R_SPARC_RELATIVE
);
3267 outrel
.r_addend
= relocation
;
3268 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3269 /* Versions of glibc ld.so at least up to 2.26 wrongly
3270 add the section contents to the value calculated for
3271 a RELATIVE reloc. Zero the contents to work around
3274 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3275 htab
->elf
.sgot
->contents
+ off
);
3278 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3283 if (h
== NULL
|| h
->plt
.offset
== (bfd_vma
) -1)
3285 r_type
= (r_type
== R_SPARC_PLT32
) ? R_SPARC_32
: R_SPARC_64
;
3290 case R_SPARC_WPLT30
:
3291 case R_SPARC_HIPLT22
:
3292 case R_SPARC_LOPLT10
:
3293 case R_SPARC_PCPLT32
:
3294 case R_SPARC_PCPLT22
:
3295 case R_SPARC_PCPLT10
:
3297 /* Relocation is to the entry for this symbol in the
3298 procedure linkage table. */
3300 if (! ABI_64_P (output_bfd
))
3302 /* The Solaris native assembler will generate a WPLT30 reloc
3303 for a local symbol if you assemble a call from one
3304 section to another when using -K pic. We treat it as
3309 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3310 else if (r_type
== R_SPARC_WPLT30
&& h
== NULL
)
3314 BFD_ASSERT (h
!= NULL
);
3317 if (h
->plt
.offset
== (bfd_vma
) -1 || htab
->elf
.splt
== NULL
)
3319 /* We didn't make a PLT entry for this symbol. This
3320 happens when statically linking PIC code, or when
3321 using -Bsymbolic. */
3325 relocation
= (htab
->elf
.splt
->output_section
->vma
3326 + htab
->elf
.splt
->output_offset
3328 unresolved_reloc
= FALSE
;
3329 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
3331 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
3339 case R_SPARC_PC_HH22
:
3340 case R_SPARC_PC_HM10
:
3341 case R_SPARC_PC_LM22
:
3343 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
3347 case R_SPARC_DISP16
:
3348 case R_SPARC_DISP32
:
3349 case R_SPARC_DISP64
:
3350 case R_SPARC_WDISP30
:
3351 case R_SPARC_WDISP22
:
3352 case R_SPARC_WDISP19
:
3353 case R_SPARC_WDISP16
:
3354 case R_SPARC_WDISP10
:
3382 if ((input_section
->flags
& SEC_ALLOC
) == 0 || is_vxworks_tls
)
3385 /* Copy dynamic function pointer relocations. Don't generate
3386 dynamic relocations against resolved undefined weak symbols
3388 if ((bfd_link_pic (info
)
3390 || !(h
->root
.type
== bfd_link_hash_undefweak
3391 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
3392 || resolved_to_zero
)))
3393 && (! howto
->pc_relative
3394 || !SYMBOL_CALLS_LOCAL (info
, h
)))
3395 || (!bfd_link_pic (info
)
3401 || (h
->root
.type
== bfd_link_hash_undefweak
3402 && !resolved_to_zero
)
3403 || h
->root
.type
== bfd_link_hash_undefined
)))
3405 Elf_Internal_Rela outrel
;
3406 bfd_boolean skip
, relocate
= FALSE
;
3408 /* When generating a shared object, these relocations
3409 are copied into the output file to be resolved at run
3412 BFD_ASSERT (sreloc
!= NULL
);
3417 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3419 if (outrel
.r_offset
== (bfd_vma
) -1)
3421 else if (outrel
.r_offset
== (bfd_vma
) -2)
3422 skip
= TRUE
, relocate
= TRUE
;
3423 outrel
.r_offset
+= (input_section
->output_section
->vma
3424 + input_section
->output_offset
);
3426 /* Optimize unaligned reloc usage now that we know where
3427 it finally resides. */
3431 if (outrel
.r_offset
& 1)
3432 r_type
= R_SPARC_UA16
;
3435 if (!(outrel
.r_offset
& 1))
3436 r_type
= R_SPARC_16
;
3439 if (outrel
.r_offset
& 3)
3440 r_type
= R_SPARC_UA32
;
3443 if (!(outrel
.r_offset
& 3))
3444 r_type
= R_SPARC_32
;
3447 if (outrel
.r_offset
& 7)
3448 r_type
= R_SPARC_UA64
;
3451 if (!(outrel
.r_offset
& 7))
3452 r_type
= R_SPARC_64
;
3455 case R_SPARC_DISP16
:
3456 case R_SPARC_DISP32
:
3457 case R_SPARC_DISP64
:
3458 /* If the symbol is not dynamic, we should not keep
3459 a dynamic relocation. But an .rela.* slot has been
3460 allocated for it, output R_SPARC_NONE.
3461 FIXME: Add code tracking needed dynamic relocs as
3463 if (h
->dynindx
== -1)
3464 skip
= TRUE
, relocate
= TRUE
;
3469 memset (&outrel
, 0, sizeof outrel
);
3470 /* h->dynindx may be -1 if the symbol was marked to
3474 && (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
3475 || !bfd_link_pic (info
)
3476 || !SYMBOLIC_BIND (info
, h
)
3477 || !h
->def_regular
))
3479 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3480 outrel
.r_addend
= rel
->r_addend
;
3484 if ( (!ABI_64_P (output_bfd
) && r_type
== R_SPARC_32
)
3485 || (ABI_64_P (output_bfd
) && r_type
== R_SPARC_64
))
3487 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3488 0, R_SPARC_RELATIVE
);
3489 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3495 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3498 sec
= htab
->elf
.splt
;
3500 if (bfd_is_abs_section (sec
))
3502 else if (sec
== NULL
|| sec
->owner
== NULL
)
3504 bfd_set_error (bfd_error_bad_value
);
3511 /* We are turning this relocation into one
3512 against a section symbol. It would be
3513 proper to subtract the symbol's value,
3514 osec->vma, from the emitted reloc addend,
3515 but ld.so expects buggy relocs. */
3516 osec
= sec
->output_section
;
3517 indx
= elf_section_data (osec
)->dynindx
;
3521 osec
= htab
->elf
.text_index_section
;
3522 indx
= elf_section_data (osec
)->dynindx
;
3525 /* FIXME: we really should be able to link non-pic
3526 shared libraries. */
3531 (_("%pB: probably compiled without -fPIC?"),
3533 bfd_set_error (bfd_error_bad_value
);
3538 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, indx
,
3543 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3545 /* This reloc will be computed at runtime, so there's no
3546 need to do anything now. */
3552 case R_SPARC_TLS_GD_HI22
:
3553 case R_SPARC_TLS_GD_LO10
:
3554 case R_SPARC_TLS_IE_HI22
:
3555 case R_SPARC_TLS_IE_LO10
:
3556 r_type
= sparc_elf_tls_transition (info
, input_bfd
, r_type
,
3557 h
== NULL
|| h
->dynindx
== -1);
3558 if (r_type
== R_SPARC_REV32
)
3561 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3562 else if (local_got_offsets
)
3563 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3565 tls_type
= GOT_UNKNOWN
;
3566 if (tls_type
== GOT_TLS_IE
)
3569 case R_SPARC_TLS_GD_HI22
:
3570 r_type
= R_SPARC_TLS_IE_HI22
;
3572 case R_SPARC_TLS_GD_LO10
:
3573 r_type
= R_SPARC_TLS_IE_LO10
;
3577 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3579 relocation
= tpoff (info
, relocation
);
3582 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3584 /* Change add into xor. */
3585 relocation
= tpoff (info
, relocation
);
3586 bfd_put_32 (output_bfd
, (bfd_get_32 (input_bfd
,
3587 contents
+ rel
->r_offset
)
3588 | 0x80182000), contents
+ rel
->r_offset
);
3594 off
= h
->got
.offset
;
3599 BFD_ASSERT (local_got_offsets
!= NULL
);
3600 off
= local_got_offsets
[r_symndx
];
3601 local_got_offsets
[r_symndx
] |= 1;
3605 if (htab
->elf
.sgot
== NULL
)
3612 Elf_Internal_Rela outrel
;
3615 if (htab
->elf
.srelgot
== NULL
)
3618 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3619 htab
->elf
.sgot
->contents
+ off
);
3620 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3621 + htab
->elf
.sgot
->output_offset
+ off
);
3622 indx
= h
&& h
->dynindx
!= -1 ? h
->dynindx
: 0;
3623 if (r_type
== R_SPARC_TLS_IE_HI22
3624 || r_type
== R_SPARC_TLS_IE_LO10
)
3625 dr_type
= SPARC_ELF_TPOFF_RELOC (htab
);
3627 dr_type
= SPARC_ELF_DTPMOD_RELOC (htab
);
3628 if (dr_type
== SPARC_ELF_TPOFF_RELOC (htab
) && indx
== 0)
3629 outrel
.r_addend
= relocation
- dtpoff_base (info
);
3631 outrel
.r_addend
= 0;
3632 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
, dr_type
);
3633 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
, &outrel
);
3635 if (r_type
== R_SPARC_TLS_GD_HI22
3636 || r_type
== R_SPARC_TLS_GD_LO10
)
3640 BFD_ASSERT (! unresolved_reloc
);
3641 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
3642 relocation
- dtpoff_base (info
),
3643 (htab
->elf
.sgot
->contents
+ off
3644 + SPARC_ELF_WORD_BYTES (htab
)));
3648 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3649 (htab
->elf
.sgot
->contents
+ off
3650 + SPARC_ELF_WORD_BYTES (htab
)));
3651 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
,
3652 SPARC_ELF_DTPOFF_RELOC (htab
));
3653 outrel
.r_offset
+= SPARC_ELF_WORD_BYTES (htab
);
3654 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
,
3658 else if (dr_type
== SPARC_ELF_DTPMOD_RELOC (htab
))
3660 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3661 (htab
->elf
.sgot
->contents
+ off
3662 + SPARC_ELF_WORD_BYTES (htab
)));
3666 if (off
>= (bfd_vma
) -2)
3669 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3670 unresolved_reloc
= FALSE
;
3671 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3674 case R_SPARC_TLS_LDM_HI22
:
3675 case R_SPARC_TLS_LDM_LO10
:
3677 if (bfd_link_executable (info
))
3679 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3682 off
= htab
->tls_ldm_got
.offset
;
3683 htab
->tls_ldm_got
.offset
|= 1;
3684 goto r_sparc_tlsldm
;
3686 case R_SPARC_TLS_LDO_HIX22
:
3687 case R_SPARC_TLS_LDO_LOX10
:
3689 if (bfd_link_executable (info
))
3691 if (r_type
== R_SPARC_TLS_LDO_HIX22
)
3692 r_type
= R_SPARC_TLS_LE_HIX22
;
3694 r_type
= R_SPARC_TLS_LE_LOX10
;
3698 relocation
-= dtpoff_base (info
);
3703 case R_SPARC_TLS_LE_HIX22
:
3704 case R_SPARC_TLS_LE_LOX10
:
3705 if (!bfd_link_executable (info
))
3707 Elf_Internal_Rela outrel
;
3709 = _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3711 if (offset
== (bfd_vma
) -1 || offset
== (bfd_vma
) -2)
3712 memset (&outrel
, 0, sizeof outrel
);
3715 outrel
.r_offset
= offset
3716 + input_section
->output_section
->vma
3717 + input_section
->output_offset
;
3718 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, r_type
);
3720 = relocation
- dtpoff_base (info
) + rel
->r_addend
;
3723 BFD_ASSERT (sreloc
!= NULL
);
3724 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3727 relocation
= tpoff (info
, relocation
);
3730 case R_SPARC_TLS_LDM_CALL
:
3732 if (bfd_link_executable (info
))
3735 bfd_put_32 (output_bfd
, 0x90100000, contents
+ rel
->r_offset
);
3740 case R_SPARC_TLS_GD_CALL
:
3742 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3743 else if (local_got_offsets
)
3744 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3746 tls_type
= GOT_UNKNOWN
;
3747 /* GD -> IE or LE */
3748 if (bfd_link_executable (info
)
3749 || (r_type
== R_SPARC_TLS_GD_CALL
&& tls_type
== GOT_TLS_IE
))
3751 Elf_Internal_Rela
*rel2
;
3755 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3757 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3762 if (rel
+ 1 < relend
3763 && SPARC_ELF_R_TYPE (rel
[1].r_info
) == R_SPARC_TLS_GD_ADD
3764 && rel
[1].r_offset
== rel
->r_offset
+ 4
3765 && SPARC_ELF_R_SYMNDX (htab
, rel
[1].r_info
) == r_symndx
3766 && (((insn
= bfd_get_32 (input_bfd
,
3767 contents
+ rel
[1].r_offset
))
3768 >> 25) & 0x1f) == 8)
3771 call __tls_get_addr, %tgd_call(foo)
3772 add %reg1, %reg2, %o0, %tgd_add(foo)
3773 and change it into IE:
3774 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3775 add %g7, %o0, %o0, %tie_add(foo).
3776 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3777 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3778 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3779 bfd_put_32 (output_bfd
, insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000),
3780 contents
+ rel
->r_offset
);
3781 bfd_put_32 (output_bfd
, 0x9001c008,
3782 contents
+ rel
->r_offset
+ 4);
3787 /* We cannot just overwrite the delay slot instruction,
3788 as it might be what puts the %o0 argument to
3789 __tls_get_addr into place. So we have to transpose
3790 the delay slot with the add we patch in. */
3791 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3792 bfd_put_32 (output_bfd
, insn
,
3793 contents
+ rel
->r_offset
);
3794 bfd_put_32 (output_bfd
, 0x9001c008,
3795 contents
+ rel
->r_offset
+ 4);
3798 while ((rel2
= sparc_elf_find_reloc_at_ofs (rel2
+ 1, relend
,
3802 /* If the instruction we moved has a relocation attached to
3803 it, adjust the offset so that it will apply to the correct
3805 rel2
->r_offset
-= 4;
3810 h
= (struct elf_link_hash_entry
*)
3811 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
3813 BFD_ASSERT (h
!= NULL
);
3814 r_type
= R_SPARC_WPLT30
;
3815 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3816 goto r_sparc_wplt30
;
3818 case R_SPARC_TLS_GD_ADD
:
3820 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3821 else if (local_got_offsets
)
3822 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3824 tls_type
= GOT_UNKNOWN
;
3825 /* GD -> IE or LE */
3826 if (bfd_link_executable (info
) || tls_type
== GOT_TLS_IE
)
3828 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3830 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3832 add %g7, %reg2, %reg3. */
3833 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3834 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3835 relocation
= (insn
& ~0x7c000) | 0x1c000;
3837 relocation
= insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000);
3838 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3842 case R_SPARC_TLS_LDM_ADD
:
3844 if (bfd_link_executable (info
))
3845 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3848 case R_SPARC_TLS_LDO_ADD
:
3850 if (bfd_link_executable (info
))
3852 /* Change rs1 into %g7. */
3853 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3854 insn
= (insn
& ~0x7c000) | 0x1c000;
3855 bfd_put_32 (output_bfd
, insn
, contents
+ rel
->r_offset
);
3859 case R_SPARC_TLS_IE_LD
:
3860 case R_SPARC_TLS_IE_LDX
:
3862 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3864 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3865 int rs2
= insn
& 0x1f;
3866 int rd
= (insn
>> 25) & 0x1f;
3869 relocation
= SPARC_NOP
;
3871 relocation
= 0x80100000 | (insn
& 0x3e00001f);
3872 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3876 case R_SPARC_TLS_IE_ADD
:
3877 /* Totally useless relocation. */
3880 case R_SPARC_TLS_DTPOFF32
:
3881 case R_SPARC_TLS_DTPOFF64
:
3882 relocation
-= dtpoff_base (info
);
3889 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3890 because such sections are not SEC_ALLOC and thus ld.so will
3891 not process them. */
3892 if (unresolved_reloc
3893 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
3895 && _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3896 rel
->r_offset
) != (bfd_vma
) -1)
3898 /* xgettext:c-format */
3899 (_("%pB(%pA+%#" PRIx64
"): "
3900 "unresolvable %s relocation against symbol `%s'"),
3903 (uint64_t) rel
->r_offset
,
3905 h
->root
.root
.string
);
3907 r
= bfd_reloc_continue
;
3908 if (r_type
== R_SPARC_OLO10
)
3912 if (! ABI_64_P (output_bfd
))
3915 relocation
+= rel
->r_addend
;
3916 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
3918 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3919 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
3920 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3922 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3923 howto
->bitsize
, howto
->rightshift
,
3924 bfd_arch_bits_per_address (input_bfd
),
3927 else if (r_type
== R_SPARC_WDISP16
)
3931 relocation
+= rel
->r_addend
;
3932 relocation
-= (input_section
->output_section
->vma
3933 + input_section
->output_offset
);
3934 relocation
-= rel
->r_offset
;
3936 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3937 x
|= ((((relocation
>> 2) & 0xc000) << 6)
3938 | ((relocation
>> 2) & 0x3fff));
3939 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3941 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3942 howto
->bitsize
, howto
->rightshift
,
3943 bfd_arch_bits_per_address (input_bfd
),
3946 else if (r_type
== R_SPARC_WDISP10
)
3950 relocation
+= rel
->r_addend
;
3951 relocation
-= (input_section
->output_section
->vma
3952 + input_section
->output_offset
);
3953 relocation
-= rel
->r_offset
;
3955 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3956 x
|= ((((relocation
>> 2) & 0x300) << 11)
3957 | (((relocation
>> 2) & 0xff) << 5));
3958 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3960 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3961 howto
->bitsize
, howto
->rightshift
,
3962 bfd_arch_bits_per_address (input_bfd
),
3965 else if (r_type
== R_SPARC_REV32
)
3969 relocation
= relocation
+ rel
->r_addend
;
3971 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3973 bfd_putl32 (/*input_bfd,*/ x
, contents
+ rel
->r_offset
);
3976 else if (r_type
== R_SPARC_TLS_LDO_HIX22
3977 || r_type
== R_SPARC_TLS_LE_HIX22
)
3981 relocation
+= rel
->r_addend
;
3982 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3983 relocation
^= MINUS_ONE
;
3985 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3986 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3987 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3990 else if (r_type
== R_SPARC_TLS_LDO_LOX10
3991 || r_type
== R_SPARC_TLS_LE_LOX10
)
3995 relocation
+= rel
->r_addend
;
3996 relocation
&= 0x3ff;
3997 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3998 relocation
|= 0x1c00;
4000 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4001 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4002 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4006 else if (r_type
== R_SPARC_HIX22
4007 || r_type
== R_SPARC_GOTDATA_HIX22
4008 || r_type
== R_SPARC_GOTDATA_OP_HIX22
)
4012 relocation
+= rel
->r_addend
;
4013 if (r_type
== R_SPARC_HIX22
4014 || (bfd_signed_vma
) relocation
< 0)
4015 relocation
= relocation
^ MINUS_ONE
;
4017 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4018 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
4019 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4021 r
= bfd_check_overflow (howto
->complain_on_overflow
,
4022 howto
->bitsize
, howto
->rightshift
,
4023 bfd_arch_bits_per_address (input_bfd
),
4026 else if (r_type
== R_SPARC_LOX10
4027 || r_type
== R_SPARC_GOTDATA_LOX10
4028 || r_type
== R_SPARC_GOTDATA_OP_LOX10
)
4032 relocation
+= rel
->r_addend
;
4033 if (r_type
== R_SPARC_LOX10
4034 || (bfd_signed_vma
) relocation
< 0)
4035 relocation
= (relocation
& 0x3ff) | 0x1c00;
4037 relocation
= (relocation
& 0x3ff);
4039 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4040 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4041 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4045 else if ((r_type
== R_SPARC_WDISP30
|| r_type
== R_SPARC_WPLT30
)
4046 && sec_do_relax (input_section
)
4047 && rel
->r_offset
+ 4 < input_section
->size
)
4051 #define XCC (2 << 20)
4052 #define COND(x) (((x)&0xf)<<25)
4053 #define CONDA COND(0x8)
4054 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4055 #define INSN_BA (F2(0,2) | CONDA)
4056 #define INSN_OR F3(2, 0x2, 0)
4057 #define INSN_NOP F2(0,4)
4061 /* If the instruction is a call with either:
4063 arithmetic instruction with rd == %o7
4064 where rs1 != %o7 and rs2 if it is register != %o7
4065 then we can optimize if the call destination is near
4066 by changing the call into a branch always. */
4067 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4068 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
4069 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
4071 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
4072 || ((y
& OP3(0x28)) == 0 /* arithmetic */
4073 && (y
& RD(~0)) == RD(O7
)))
4074 && (y
& RS1(~0)) != RS1(O7
)
4076 || (y
& RS2(~0)) != RS2(O7
)))
4080 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
4081 reloc
-= (input_section
->output_section
->vma
4082 + input_section
->output_offset
);
4084 /* Ensure the branch fits into simm22. */
4085 if ((reloc
& 3) == 0
4086 && ((reloc
& ~(bfd_vma
)0x7fffff) == 0
4087 || ((reloc
| 0x7fffff) == ~(bfd_vma
)0)))
4091 /* Check whether it fits into simm19. */
4092 if (((reloc
& 0x3c0000) == 0
4093 || (reloc
& 0x3c0000) == 0x3c0000)
4094 && (ABI_64_P (output_bfd
)
4095 || elf_elfheader (output_bfd
)->e_flags
& EF_SPARC_32PLUS
))
4096 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
4098 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
4099 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4101 if (rel
->r_offset
>= 4
4102 && (y
& (0xffffffff ^ RS1(~0)))
4103 == (INSN_OR
| RD(O7
) | RS2(G0
)))
4108 z
= bfd_get_32 (input_bfd
,
4109 contents
+ rel
->r_offset
- 4);
4110 if ((z
& (0xffffffff ^ RD(~0)))
4111 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
4119 If call foo was replaced with ba, replace
4120 or %rN, %g0, %o7 with nop. */
4122 reg
= (y
& RS1(~0)) >> 14;
4123 if (reg
!= ((z
& RD(~0)) >> 25)
4124 || reg
== G0
|| reg
== O7
)
4127 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
4128 contents
+ rel
->r_offset
+ 4);
4136 if (r
== bfd_reloc_continue
)
4139 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
4140 contents
, rel
->r_offset
,
4141 relocation
, rel
->r_addend
);
4143 if (r
!= bfd_reloc_ok
)
4148 case bfd_reloc_outofrange
:
4150 case bfd_reloc_overflow
:
4154 /* The Solaris native linker silently disregards overflows.
4155 We don't, but this breaks stabs debugging info, whose
4156 relocations are only 32-bits wide. Ignore overflows in
4157 this case and also for discarded entries. */
4158 if ((r_type
== R_SPARC_32
4159 || r_type
== R_SPARC_UA32
4160 || r_type
== R_SPARC_DISP32
)
4161 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
4162 && strcmp (bfd_section_name (input_section
),
4164 || _bfd_elf_section_offset (output_bfd
, info
,
4172 /* Assume this is a call protected by other code that
4173 detect the symbol is undefined. If this is the case,
4174 we can safely ignore the overflow. If not, the
4175 program is hosed anyway, and a little warning isn't
4177 if (h
->root
.type
== bfd_link_hash_undefweak
4178 && howto
->pc_relative
)
4185 name
= bfd_elf_string_from_elf_section (input_bfd
,
4186 symtab_hdr
->sh_link
,
4191 name
= bfd_section_name (sec
);
4193 (*info
->callbacks
->reloc_overflow
)
4194 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
4195 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
4205 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4206 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4207 is the offset of the associated .got.plt entry from
4208 _GLOBAL_OFFSET_TABLE_. */
4211 sparc_vxworks_build_plt_entry (bfd
*output_bfd
, struct bfd_link_info
*info
,
4212 bfd_vma plt_offset
, bfd_vma plt_index
,
4216 const bfd_vma
*plt_entry
;
4217 struct _bfd_sparc_elf_link_hash_table
*htab
;
4219 Elf_Internal_Rela rela
;
4221 htab
= _bfd_sparc_elf_hash_table (info
);
4222 BFD_ASSERT (htab
!= NULL
);
4224 if (bfd_link_pic (info
))
4226 plt_entry
= sparc_vxworks_shared_plt_entry
;
4231 plt_entry
= sparc_vxworks_exec_plt_entry
;
4232 got_base
= (htab
->elf
.hgot
->root
.u
.def
.value
4233 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4234 + htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
);
4237 /* Fill in the entry in the procedure linkage table. */
4238 bfd_put_32 (output_bfd
, plt_entry
[0] + ((got_base
+ got_offset
) >> 10),
4239 htab
->elf
.splt
->contents
+ plt_offset
);
4240 bfd_put_32 (output_bfd
, plt_entry
[1] + ((got_base
+ got_offset
) & 0x3ff),
4241 htab
->elf
.splt
->contents
+ plt_offset
+ 4);
4242 bfd_put_32 (output_bfd
, plt_entry
[2],
4243 htab
->elf
.splt
->contents
+ plt_offset
+ 8);
4244 bfd_put_32 (output_bfd
, plt_entry
[3],
4245 htab
->elf
.splt
->contents
+ plt_offset
+ 12);
4246 bfd_put_32 (output_bfd
, plt_entry
[4],
4247 htab
->elf
.splt
->contents
+ plt_offset
+ 16);
4248 bfd_put_32 (output_bfd
, plt_entry
[5] + (plt_index
>> 10),
4249 htab
->elf
.splt
->contents
+ plt_offset
+ 20);
4250 /* PC-relative displacement for a branch to the start of
4252 bfd_put_32 (output_bfd
, plt_entry
[6] + (((-plt_offset
- 24) >> 2)
4254 htab
->elf
.splt
->contents
+ plt_offset
+ 24);
4255 bfd_put_32 (output_bfd
, plt_entry
[7] + (plt_index
& 0x3ff),
4256 htab
->elf
.splt
->contents
+ plt_offset
+ 28);
4258 /* Fill in the .got.plt entry, pointing initially at the
4259 second half of the PLT entry. */
4260 BFD_ASSERT (htab
->elf
.sgotplt
!= NULL
);
4261 bfd_put_32 (output_bfd
,
4262 htab
->elf
.splt
->output_section
->vma
4263 + htab
->elf
.splt
->output_offset
4265 htab
->elf
.sgotplt
->contents
+ got_offset
);
4267 /* Add relocations to .rela.plt.unloaded. */
4268 if (!bfd_link_pic (info
))
4270 loc
= (htab
->srelplt2
->contents
4271 + (2 + 3 * plt_index
) * sizeof (Elf32_External_Rela
));
4273 /* Relocate the initial sethi. */
4274 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4275 + htab
->elf
.splt
->output_offset
4277 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4278 rela
.r_addend
= got_offset
;
4279 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4280 loc
+= sizeof (Elf32_External_Rela
);
4282 /* Likewise the following or. */
4284 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4285 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4286 loc
+= sizeof (Elf32_External_Rela
);
4288 /* Relocate the .got.plt entry. */
4289 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4290 + htab
->elf
.sgotplt
->output_offset
4292 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4293 rela
.r_addend
= plt_offset
+ 20;
4294 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4298 /* Finish up dynamic symbol handling. We set the contents of various
4299 dynamic sections here. */
4302 _bfd_sparc_elf_finish_dynamic_symbol (bfd
*output_bfd
,
4303 struct bfd_link_info
*info
,
4304 struct elf_link_hash_entry
*h
,
4305 Elf_Internal_Sym
*sym
)
4307 struct _bfd_sparc_elf_link_hash_table
*htab
;
4308 const struct elf_backend_data
*bed
;
4309 struct _bfd_sparc_elf_link_hash_entry
*eh
;
4310 bfd_boolean resolved_to_zero
;
4312 htab
= _bfd_sparc_elf_hash_table (info
);
4313 BFD_ASSERT (htab
!= NULL
);
4314 bed
= get_elf_backend_data (output_bfd
);
4316 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
4318 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4319 resolved undefined weak symbols in executable so that their
4320 references have value 0 at run-time. */
4321 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
4323 if (h
->plt
.offset
!= (bfd_vma
) -1)
4327 Elf_Internal_Rela rela
;
4329 bfd_vma r_offset
, got_offset
;
4332 /* When building a static executable, use .iplt and
4333 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4334 if (htab
->elf
.splt
!= NULL
)
4336 splt
= htab
->elf
.splt
;
4337 srela
= htab
->elf
.srelplt
;
4341 splt
= htab
->elf
.iplt
;
4342 srela
= htab
->elf
.irelplt
;
4345 if (splt
== NULL
|| srela
== NULL
)
4348 /* Fill in the entry in the .rela.plt section. */
4349 if (htab
->is_vxworks
)
4351 /* Work out the index of this PLT entry. */
4352 rela_index
= ((h
->plt
.offset
- htab
->plt_header_size
)
4353 / htab
->plt_entry_size
);
4355 /* Calculate the offset of the associated .got.plt entry.
4356 The first three entries are reserved. */
4357 got_offset
= (rela_index
+ 3) * 4;
4359 sparc_vxworks_build_plt_entry (output_bfd
, info
, h
->plt
.offset
,
4360 rela_index
, got_offset
);
4363 /* On VxWorks, the relocation points to the .got.plt entry,
4364 not the .plt entry. */
4365 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4366 + htab
->elf
.sgotplt
->output_offset
4369 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4374 bfd_boolean ifunc
= FALSE
;
4376 /* Fill in the entry in the procedure linkage table. */
4377 rela_index
= SPARC_ELF_BUILD_PLT_ENTRY (htab
, output_bfd
, splt
,
4378 h
->plt
.offset
, splt
->size
,
4383 || ((bfd_link_executable (info
)
4384 || ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
4386 && h
->type
== STT_GNU_IFUNC
))
4389 BFD_ASSERT (h
== NULL
4390 || (h
->type
== STT_GNU_IFUNC
4392 && (h
->root
.type
== bfd_link_hash_defined
4393 || h
->root
.type
== bfd_link_hash_defweak
)));
4396 rela
.r_offset
= r_offset
4397 + (splt
->output_section
->vma
+ splt
->output_offset
);
4398 if (ABI_64_P (output_bfd
)
4399 && h
->plt
.offset
>= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
4403 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4404 + h
->root
.u
.def
.section
->output_offset
4405 + h
->root
.u
.def
.value
);
4406 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4411 rela
.r_addend
= (-(h
->plt
.offset
+ 4)
4412 - splt
->output_section
->vma
4413 - splt
->output_offset
);
4414 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4422 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4423 + h
->root
.u
.def
.section
->output_offset
4424 + h
->root
.u
.def
.value
);
4425 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4431 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4437 /* Adjust for the first 4 reserved elements in the .plt section
4438 when setting the offset in the .rela.plt section.
4439 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4440 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4442 loc
= srela
->contents
;
4443 loc
+= rela_index
* bed
->s
->sizeof_rela
;
4444 bed
->s
->swap_reloca_out (output_bfd
, &rela
, loc
);
4446 if (!resolved_to_zero
&& !h
->def_regular
)
4448 /* Mark the symbol as undefined, rather than as defined in
4449 the .plt section. Leave the value alone. */
4450 sym
->st_shndx
= SHN_UNDEF
;
4451 /* If the symbol is weak, we do need to clear the value.
4452 Otherwise, the PLT entry would provide a definition for
4453 the symbol even if the symbol wasn't defined anywhere,
4454 and so the symbol would never be NULL. */
4455 if (!h
->ref_regular_nonweak
)
4460 /* Don't generate dynamic GOT relocation against resolved undefined weak
4461 symbols in an executable. */
4462 if (h
->got
.offset
!= (bfd_vma
) -1
4463 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_GD
4464 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_IE
4465 && !(h
->root
.type
== bfd_link_hash_undefweak
4466 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
4467 || resolved_to_zero
)))
4471 Elf_Internal_Rela rela
;
4473 /* This symbol has an entry in the GOT. Set it up. */
4475 sgot
= htab
->elf
.sgot
;
4476 srela
= htab
->elf
.srelgot
;
4477 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
4479 rela
.r_offset
= (sgot
->output_section
->vma
4480 + sgot
->output_offset
4481 + (h
->got
.offset
&~ (bfd_vma
) 1));
4483 /* If this is a -Bsymbolic link, and the symbol is defined
4484 locally, we just want to emit a RELATIVE reloc. Likewise if
4485 the symbol was forced to be local because of a version file.
4486 The entry in the global offset table will already have been
4487 initialized in the relocate_section function. */
4488 if (! bfd_link_pic (info
)
4489 && h
->type
== STT_GNU_IFUNC
4494 /* We load the GOT entry with the PLT entry. */
4495 plt
= htab
->elf
.splt
? htab
->elf
.splt
: htab
->elf
.iplt
;
4496 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
4497 (plt
->output_section
->vma
4498 + plt
->output_offset
+ h
->plt
.offset
),
4499 htab
->elf
.sgot
->contents
4500 + (h
->got
.offset
& ~(bfd_vma
) 1));
4504 if (bfd_link_pic (info
) && SYMBOL_REFERENCES_LOCAL (info
, h
))
4506 asection
*sec
= h
->root
.u
.def
.section
;
4507 if (h
->type
== STT_GNU_IFUNC
)
4508 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_IRELATIVE
);
4510 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_RELATIVE
);
4511 rela
.r_addend
= (h
->root
.u
.def
.value
4512 + sec
->output_section
->vma
4513 + sec
->output_offset
);
4517 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_GLOB_DAT
);
4521 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
4522 sgot
->contents
+ (h
->got
.offset
& ~(bfd_vma
) 1));
4523 sparc_elf_append_rela (output_bfd
, srela
, &rela
);
4529 Elf_Internal_Rela rela
;
4531 /* This symbols needs a copy reloc. Set it up. */
4532 BFD_ASSERT (h
->dynindx
!= -1);
4534 rela
.r_offset
= (h
->root
.u
.def
.value
4535 + h
->root
.u
.def
.section
->output_section
->vma
4536 + h
->root
.u
.def
.section
->output_offset
);
4537 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_COPY
);
4539 if (h
->root
.u
.def
.section
== htab
->elf
.sdynrelro
)
4540 s
= htab
->elf
.sreldynrelro
;
4542 s
= htab
->elf
.srelbss
;
4543 sparc_elf_append_rela (output_bfd
, s
, &rela
);
4546 /* Mark some specially defined symbols as absolute. On VxWorks,
4547 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4548 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4550 && (h
== htab
->elf
.hdynamic
4551 || (!htab
->is_vxworks
4552 && (h
== htab
->elf
.hgot
|| h
== htab
->elf
.hplt
))))
4553 sym
->st_shndx
= SHN_ABS
;
4558 /* Finish up the dynamic sections. */
4561 sparc_finish_dyn (bfd
*output_bfd
, struct bfd_link_info
*info
,
4562 bfd
*dynobj
, asection
*sdyn
,
4563 asection
*splt ATTRIBUTE_UNUSED
)
4565 struct _bfd_sparc_elf_link_hash_table
*htab
;
4566 const struct elf_backend_data
*bed
;
4567 bfd_byte
*dyncon
, *dynconend
;
4569 int stt_regidx
= -1;
4570 bfd_boolean abi_64_p
;
4572 htab
= _bfd_sparc_elf_hash_table (info
);
4573 BFD_ASSERT (htab
!= NULL
);
4574 bed
= get_elf_backend_data (output_bfd
);
4575 dynsize
= bed
->s
->sizeof_dyn
;
4576 dynconend
= sdyn
->contents
+ sdyn
->size
;
4577 abi_64_p
= ABI_64_P (output_bfd
);
4578 for (dyncon
= sdyn
->contents
; dyncon
< dynconend
; dyncon
+= dynsize
)
4580 Elf_Internal_Dyn dyn
;
4583 bed
->s
->swap_dyn_in (dynobj
, dyncon
, &dyn
);
4585 if (htab
->is_vxworks
&& dyn
.d_tag
== DT_PLTGOT
)
4587 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4588 not to the start of the PLT. */
4589 if (htab
->elf
.sgotplt
)
4591 dyn
.d_un
.d_val
= (htab
->elf
.sgotplt
->output_section
->vma
4592 + htab
->elf
.sgotplt
->output_offset
);
4593 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4596 else if (htab
->is_vxworks
4597 && elf_vxworks_finish_dynamic_entry (output_bfd
, &dyn
))
4598 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4599 else if (abi_64_p
&& dyn
.d_tag
== DT_SPARC_REGISTER
)
4601 if (stt_regidx
== -1)
4604 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
4605 if (stt_regidx
== -1)
4608 dyn
.d_un
.d_val
= stt_regidx
++;
4609 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4622 s
= htab
->elf
.srelplt
;
4626 s
= htab
->elf
.srelplt
;
4638 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4640 dyn
.d_un
.d_val
= s
->size
;
4642 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4648 /* Install the first PLT entry in a VxWorks executable and make sure that
4649 .rela.plt.unloaded relocations have the correct symbol indexes. */
4652 sparc_vxworks_finish_exec_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4654 struct _bfd_sparc_elf_link_hash_table
*htab
;
4655 Elf_Internal_Rela rela
;
4659 htab
= _bfd_sparc_elf_hash_table (info
);
4660 BFD_ASSERT (htab
!= NULL
);
4662 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4663 got_base
= (htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
4664 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4665 + htab
->elf
.hgot
->root
.u
.def
.value
);
4667 /* Install the initial PLT entry. */
4668 bfd_put_32 (output_bfd
,
4669 sparc_vxworks_exec_plt0_entry
[0] + ((got_base
+ 8) >> 10),
4670 htab
->elf
.splt
->contents
);
4671 bfd_put_32 (output_bfd
,
4672 sparc_vxworks_exec_plt0_entry
[1] + ((got_base
+ 8) & 0x3ff),
4673 htab
->elf
.splt
->contents
+ 4);
4674 bfd_put_32 (output_bfd
,
4675 sparc_vxworks_exec_plt0_entry
[2],
4676 htab
->elf
.splt
->contents
+ 8);
4677 bfd_put_32 (output_bfd
,
4678 sparc_vxworks_exec_plt0_entry
[3],
4679 htab
->elf
.splt
->contents
+ 12);
4680 bfd_put_32 (output_bfd
,
4681 sparc_vxworks_exec_plt0_entry
[4],
4682 htab
->elf
.splt
->contents
+ 16);
4684 loc
= htab
->srelplt2
->contents
;
4686 /* Add an unloaded relocation for the initial entry's "sethi". */
4687 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4688 + htab
->elf
.splt
->output_offset
);
4689 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4691 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4692 loc
+= sizeof (Elf32_External_Rela
);
4694 /* Likewise the following "or". */
4696 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4697 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4698 loc
+= sizeof (Elf32_External_Rela
);
4700 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4701 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4702 in which symbols were output. */
4703 while (loc
< htab
->srelplt2
->contents
+ htab
->srelplt2
->size
)
4705 Elf_Internal_Rela rel
;
4707 /* The entry's initial "sethi" (against _G_O_T_). */
4708 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4709 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4710 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4711 loc
+= sizeof (Elf32_External_Rela
);
4713 /* The following "or" (also against _G_O_T_). */
4714 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4715 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4716 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4717 loc
+= sizeof (Elf32_External_Rela
);
4719 /* The .got.plt entry (against _P_L_T_). */
4720 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4721 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4722 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4723 loc
+= sizeof (Elf32_External_Rela
);
4727 /* Install the first PLT entry in a VxWorks shared object. */
4730 sparc_vxworks_finish_shared_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4732 struct _bfd_sparc_elf_link_hash_table
*htab
;
4735 htab
= _bfd_sparc_elf_hash_table (info
);
4736 BFD_ASSERT (htab
!= NULL
);
4738 for (i
= 0; i
< ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
); i
++)
4739 bfd_put_32 (output_bfd
, sparc_vxworks_shared_plt0_entry
[i
],
4740 htab
->elf
.splt
->contents
+ i
* 4);
4743 /* Finish up local dynamic symbol handling. We set the contents of
4744 various dynamic sections here. */
4747 finish_local_dynamic_symbol (void **slot
, void *inf
)
4749 struct elf_link_hash_entry
*h
4750 = (struct elf_link_hash_entry
*) *slot
;
4751 struct bfd_link_info
*info
4752 = (struct bfd_link_info
*) inf
;
4754 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4758 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4759 here since undefined weak symbol may not be dynamic and may not be
4760 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4763 pie_finish_undefweak_symbol (struct bfd_hash_entry
*bh
,
4766 struct elf_link_hash_entry
*h
= (struct elf_link_hash_entry
*) bh
;
4767 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
4769 if (h
->root
.type
!= bfd_link_hash_undefweak
4770 || h
->dynindx
!= -1)
4773 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4778 _bfd_sparc_elf_finish_dynamic_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
4782 struct _bfd_sparc_elf_link_hash_table
*htab
;
4784 htab
= _bfd_sparc_elf_hash_table (info
);
4785 BFD_ASSERT (htab
!= NULL
);
4786 dynobj
= htab
->elf
.dynobj
;
4788 /* We arranged in size_dynamic_sections to put the STT_REGISTER
4789 entries at the end of the dynlocal list, so they came at the end
4790 of the local symbols in the symtab. Except that they aren't
4791 STB_LOCAL, so we need to back up symtab->sh_info. */
4792 if (ABI_64_P (output_bfd
)
4793 && elf_hash_table (info
)->dynlocal
)
4795 asection
*dynsymsec
= bfd_get_linker_section (dynobj
, ".dynsym");
4796 struct elf_link_local_dynamic_entry
*e
;
4798 for (e
= elf_hash_table (info
)->dynlocal
; e
; e
= e
->next
)
4799 if (e
->input_indx
== -1)
4802 elf_section_data (dynsymsec
->output_section
)->this_hdr
.sh_info
4806 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
4808 if (elf_hash_table (info
)->dynamic_sections_created
)
4812 splt
= htab
->elf
.splt
;
4813 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
4815 if (!sparc_finish_dyn (output_bfd
, info
, dynobj
, sdyn
, splt
))
4818 /* Initialize the contents of the .plt section. */
4821 if (htab
->is_vxworks
)
4823 if (bfd_link_pic (info
))
4824 sparc_vxworks_finish_shared_plt (output_bfd
, info
);
4826 sparc_vxworks_finish_exec_plt (output_bfd
, info
);
4830 memset (splt
->contents
, 0, htab
->plt_header_size
);
4831 if (!ABI_64_P (output_bfd
))
4832 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
,
4833 splt
->contents
+ splt
->size
- 4);
4837 if (elf_section_data (splt
->output_section
) != NULL
)
4838 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
4839 = ((htab
->is_vxworks
|| !ABI_64_P (output_bfd
))
4840 ? 0 : htab
->plt_entry_size
);
4843 /* Set the first entry in the global offset table to the address of
4844 the dynamic section. */
4845 if (htab
->elf
.sgot
&& htab
->elf
.sgot
->size
> 0)
4847 bfd_vma val
= (sdyn
?
4848 sdyn
->output_section
->vma
+ sdyn
->output_offset
:
4851 SPARC_ELF_PUT_WORD (htab
, output_bfd
, val
, htab
->elf
.sgot
->contents
);
4855 elf_section_data (htab
->elf
.sgot
->output_section
)->this_hdr
.sh_entsize
=
4856 SPARC_ELF_WORD_BYTES (htab
);
4858 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4859 htab_traverse (htab
->loc_hash_table
, finish_local_dynamic_symbol
, info
);
4861 /* Fill PLT entries for undefined weak symbols in PIE. */
4862 if (bfd_link_pie (info
))
4863 bfd_hash_traverse (&info
->hash
->table
,
4864 pie_finish_undefweak_symbol
,
4870 /* Set the right machine number for a SPARC ELF file. */
4873 _bfd_sparc_elf_object_p (bfd
*abfd
)
4875 obj_attribute
*attrs
= elf_known_obj_attributes (abfd
)[OBJ_ATTR_GNU
];
4876 obj_attribute
*hwcaps
= &attrs
[Tag_GNU_Sparc_HWCAPS
];
4877 obj_attribute
*hwcaps2
= &attrs
[Tag_GNU_Sparc_HWCAPS2
];
4879 unsigned int v9c_hwcaps_mask
= ELF_SPARC_HWCAP_ASI_BLK_INIT
;
4880 unsigned int v9d_hwcaps_mask
= (ELF_SPARC_HWCAP_FMAF
4881 | ELF_SPARC_HWCAP_VIS3
4882 | ELF_SPARC_HWCAP_HPC
);
4883 unsigned int v9e_hwcaps_mask
= (ELF_SPARC_HWCAP_AES
4884 | ELF_SPARC_HWCAP_DES
4885 | ELF_SPARC_HWCAP_KASUMI
4886 | ELF_SPARC_HWCAP_CAMELLIA
4887 | ELF_SPARC_HWCAP_MD5
4888 | ELF_SPARC_HWCAP_SHA1
4889 | ELF_SPARC_HWCAP_SHA256
4890 | ELF_SPARC_HWCAP_SHA512
4891 | ELF_SPARC_HWCAP_MPMUL
4892 | ELF_SPARC_HWCAP_MONT
4893 | ELF_SPARC_HWCAP_CRC32C
4894 | ELF_SPARC_HWCAP_CBCOND
4895 | ELF_SPARC_HWCAP_PAUSE
);
4896 unsigned int v9v_hwcaps_mask
= (ELF_SPARC_HWCAP_FJFMAU
4897 | ELF_SPARC_HWCAP_IMA
);
4898 unsigned int v9m_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC5
4899 | ELF_SPARC_HWCAP2_MWAIT
4900 | ELF_SPARC_HWCAP2_XMPMUL
4901 | ELF_SPARC_HWCAP2_XMONT
);
4902 unsigned int m8_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC6
4903 | ELF_SPARC_HWCAP2_ONADDSUB
4904 | ELF_SPARC_HWCAP2_ONMUL
4905 | ELF_SPARC_HWCAP2_ONDIV
4906 | ELF_SPARC_HWCAP2_DICTUNP
4907 | ELF_SPARC_HWCAP2_FPCMPSHL
4908 | ELF_SPARC_HWCAP2_RLE
4909 | ELF_SPARC_HWCAP2_SHA3
);
4911 if (ABI_64_P (abfd
))
4913 unsigned long mach
= bfd_mach_sparc_v9
;
4915 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4916 mach
= bfd_mach_sparc_v9m8
;
4917 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4918 mach
= bfd_mach_sparc_v9m
;
4919 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4920 mach
= bfd_mach_sparc_v9v
;
4921 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4922 mach
= bfd_mach_sparc_v9e
;
4923 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4924 mach
= bfd_mach_sparc_v9d
;
4925 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4926 mach
= bfd_mach_sparc_v9c
;
4927 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4928 mach
= bfd_mach_sparc_v9b
;
4929 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4930 mach
= bfd_mach_sparc_v9a
;
4931 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
4935 if (elf_elfheader (abfd
)->e_machine
== EM_SPARC32PLUS
)
4937 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4938 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4939 bfd_mach_sparc_v8plusm8
);
4940 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4941 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4942 bfd_mach_sparc_v8plusm
);
4943 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4944 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4945 bfd_mach_sparc_v8plusv
);
4946 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4947 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4948 bfd_mach_sparc_v8pluse
);
4949 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4950 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4951 bfd_mach_sparc_v8plusd
);
4952 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4953 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4954 bfd_mach_sparc_v8plusc
);
4955 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4956 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4957 bfd_mach_sparc_v8plusb
);
4958 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4959 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4960 bfd_mach_sparc_v8plusa
);
4961 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_32PLUS
)
4962 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4963 bfd_mach_sparc_v8plus
);
4967 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_LEDATA
)
4968 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4969 bfd_mach_sparc_sparclite_le
);
4971 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
4975 /* Return address for Ith PLT stub in section PLT, for relocation REL
4976 or (bfd_vma) -1 if it should not be included. */
4979 _bfd_sparc_elf_plt_sym_val (bfd_vma i
, const asection
*plt
, const arelent
*rel
)
4981 if (ABI_64_P (plt
->owner
))
4985 i
+= PLT64_HEADER_SIZE
/ PLT64_ENTRY_SIZE
;
4986 if (i
< PLT64_LARGE_THRESHOLD
)
4987 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
;
4989 j
= (i
- PLT64_LARGE_THRESHOLD
) % 160;
4991 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
+ j
* 4 * 6;
4994 return rel
->address
;
4997 /* Merge backend specific data from an object file to the output
4998 object file when linking. */
5001 _bfd_sparc_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
5003 bfd
*obfd
= info
->output_bfd
;
5004 obj_attribute
*in_attr
, *in_attrs
;
5005 obj_attribute
*out_attr
, *out_attrs
;
5007 if (!elf_known_obj_attributes_proc (obfd
)[0].i
)
5009 /* This is the first object. Copy the attributes. */
5010 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
5012 /* Use the Tag_null value to indicate the attributes have been
5014 elf_known_obj_attributes_proc (obfd
)[0].i
= 1;
5019 in_attrs
= elf_known_obj_attributes (ibfd
)[OBJ_ATTR_GNU
];
5020 out_attrs
= elf_known_obj_attributes (obfd
)[OBJ_ATTR_GNU
];
5022 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS
];
5023 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS
];
5025 out_attr
->i
|= in_attr
->i
;
5028 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS2
];
5029 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS2
];
5031 out_attr
->i
|= in_attr
->i
;
5034 /* Merge Tag_compatibility attributes and any common GNU ones. */
5035 _bfd_elf_merge_object_attributes (ibfd
, info
);