1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2017 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
55 void * data
, asection
*input_section
, bfd
*output_bfd
,
56 bfd_vma
*prelocation
, bfd_vma
*pinsn
)
59 reloc_howto_type
*howto
= reloc_entry
->howto
;
61 if (output_bfd
!= (bfd
*) NULL
62 && (symbol
->flags
& BSF_SECTION_SYM
) == 0
63 && (! howto
->partial_inplace
64 || reloc_entry
->addend
== 0))
66 reloc_entry
->address
+= input_section
->output_offset
;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd
!= NULL
)
72 return bfd_reloc_continue
;
74 if (reloc_entry
->address
> bfd_get_section_limit (abfd
, input_section
))
75 return bfd_reloc_outofrange
;
77 relocation
= (symbol
->value
78 + symbol
->section
->output_section
->vma
79 + symbol
->section
->output_offset
);
80 relocation
+= reloc_entry
->addend
;
81 if (howto
->pc_relative
)
83 relocation
-= (input_section
->output_section
->vma
84 + input_section
->output_offset
);
85 relocation
-= reloc_entry
->address
;
88 *prelocation
= relocation
;
89 *pinsn
= bfd_get_32 (abfd
, (bfd_byte
*) data
+ reloc_entry
->address
);
90 return bfd_reloc_other
;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd
*abfd ATTRIBUTE_UNUSED
,
97 arelent
*reloc_entry ATTRIBUTE_UNUSED
,
98 asymbol
*symbol ATTRIBUTE_UNUSED
,
99 void * data ATTRIBUTE_UNUSED
,
100 asection
*input_section ATTRIBUTE_UNUSED
,
101 bfd
*output_bfd ATTRIBUTE_UNUSED
,
102 char **error_message ATTRIBUTE_UNUSED
)
104 return bfd_reloc_notsupported
;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
111 void * data
, asection
*input_section
, bfd
*output_bfd
,
112 char **error_message ATTRIBUTE_UNUSED
)
116 bfd_reloc_status_type status
;
118 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
119 input_section
, output_bfd
, &relocation
, &insn
);
120 if (status
!= bfd_reloc_other
)
123 insn
&= ~ (bfd_vma
) 0x303fff;
124 insn
|= (((relocation
>> 2) & 0xc000) << 6) | ((relocation
>> 2) & 0x3fff);
125 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
127 if ((bfd_signed_vma
) relocation
< - 0x40000
128 || (bfd_signed_vma
) relocation
> 0x3ffff)
129 return bfd_reloc_overflow
;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
138 void * data
, asection
*input_section
, bfd
*output_bfd
,
139 char **error_message ATTRIBUTE_UNUSED
)
143 bfd_reloc_status_type status
;
145 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
146 input_section
, output_bfd
, &relocation
, &insn
);
147 if (status
!= bfd_reloc_other
)
150 insn
&= ~ (bfd_vma
) 0x181fe0;
151 insn
|= (((relocation
>> 2) & 0x300) << 11)
152 | (((relocation
>> 2) & 0xff) << 5);
153 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
155 if ((bfd_signed_vma
) relocation
< - 0x1000
156 || (bfd_signed_vma
) relocation
> 0xfff)
157 return bfd_reloc_overflow
;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
166 void * data
, asection
*input_section
, bfd
*output_bfd
,
167 char **error_message ATTRIBUTE_UNUSED
)
171 bfd_reloc_status_type status
;
173 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
174 input_section
, output_bfd
, &relocation
, &insn
);
175 if (status
!= bfd_reloc_other
)
178 relocation
^= MINUS_ONE
;
179 insn
= (insn
&~ (bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
180 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
182 if ((relocation
& ~ (bfd_vma
) 0xffffffff) != 0)
183 return bfd_reloc_overflow
;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
192 void * data
, asection
*input_section
, bfd
*output_bfd
,
193 char **error_message ATTRIBUTE_UNUSED
)
197 bfd_reloc_status_type status
;
199 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
200 input_section
, output_bfd
, &relocation
, &insn
);
201 if (status
!= bfd_reloc_other
)
204 insn
= (insn
&~ (bfd_vma
) 0x1fff) | 0x1c00 | (relocation
& 0x3ff);
205 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
210 static reloc_howto_type _bfd_sparc_elf_howto_table
[] =
212 HOWTO(R_SPARC_NONE
, 0,3, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_NONE", FALSE
,0,0x00000000,TRUE
),
213 HOWTO(R_SPARC_8
, 0,0, 8,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_8", FALSE
,0,0x000000ff,TRUE
),
214 HOWTO(R_SPARC_16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_16", FALSE
,0,0x0000ffff,TRUE
),
215 HOWTO(R_SPARC_32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_32", FALSE
,0,0xffffffff,TRUE
),
216 HOWTO(R_SPARC_DISP8
, 0,0, 8,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP8", FALSE
,0,0x000000ff,TRUE
),
217 HOWTO(R_SPARC_DISP16
, 0,1,16,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP16", FALSE
,0,0x0000ffff,TRUE
),
218 HOWTO(R_SPARC_DISP32
, 0,2,32,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP32", FALSE
,0,0xffffffff,TRUE
),
219 HOWTO(R_SPARC_WDISP30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP30", FALSE
,0,0x3fffffff,TRUE
),
220 HOWTO(R_SPARC_WDISP22
, 2,2,22,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP22", FALSE
,0,0x003fffff,TRUE
),
221 HOWTO(R_SPARC_HI22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HI22", FALSE
,0,0x003fffff,TRUE
),
222 HOWTO(R_SPARC_22
, 0,2,22,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_22", FALSE
,0,0x003fffff,TRUE
),
223 HOWTO(R_SPARC_13
, 0,2,13,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_13", FALSE
,0,0x00001fff,TRUE
),
224 HOWTO(R_SPARC_LO10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LO10", FALSE
,0,0x000003ff,TRUE
),
225 HOWTO(R_SPARC_GOT10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT10", FALSE
,0,0x000003ff,TRUE
),
226 HOWTO(R_SPARC_GOT13
, 0,2,13,FALSE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_GOT13", FALSE
,0,0x00001fff,TRUE
),
227 HOWTO(R_SPARC_GOT22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT22", FALSE
,0,0x003fffff,TRUE
),
228 HOWTO(R_SPARC_PC10
, 0,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC10", FALSE
,0,0x000003ff,TRUE
),
229 HOWTO(R_SPARC_PC22
, 10,2,22,TRUE
, 0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PC22", FALSE
,0,0x003fffff,TRUE
),
230 HOWTO(R_SPARC_WPLT30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WPLT30", FALSE
,0,0x3fffffff,TRUE
),
231 HOWTO(R_SPARC_COPY
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_COPY", FALSE
,0,0x00000000,TRUE
),
232 HOWTO(R_SPARC_GLOB_DAT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GLOB_DAT",FALSE
,0,0x00000000,TRUE
),
233 HOWTO(R_SPARC_JMP_SLOT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_JMP_SLOT",FALSE
,0,0x00000000,TRUE
),
234 HOWTO(R_SPARC_RELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_RELATIVE",FALSE
,0,0x00000000,TRUE
),
235 HOWTO(R_SPARC_UA32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA32", FALSE
,0,0xffffffff,TRUE
),
236 HOWTO(R_SPARC_PLT32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT32", FALSE
,0,0xffffffff,TRUE
),
237 HOWTO(R_SPARC_HIPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_HIPLT22", FALSE
,0,0x00000000,TRUE
),
238 HOWTO(R_SPARC_LOPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_LOPLT10", FALSE
,0,0x00000000,TRUE
),
239 HOWTO(R_SPARC_PCPLT32
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT32", FALSE
,0,0x00000000,TRUE
),
240 HOWTO(R_SPARC_PCPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT22", FALSE
,0,0x00000000,TRUE
),
241 HOWTO(R_SPARC_PCPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT10", FALSE
,0,0x00000000,TRUE
),
242 HOWTO(R_SPARC_10
, 0,2,10,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_10", FALSE
,0,0x000003ff,TRUE
),
243 HOWTO(R_SPARC_11
, 0,2,11,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_11", FALSE
,0,0x000007ff,TRUE
),
244 HOWTO(R_SPARC_64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_64", FALSE
,0,MINUS_ONE
, TRUE
),
245 HOWTO(R_SPARC_OLO10
, 0,2,13,FALSE
,0,complain_overflow_signed
, sparc_elf_notsup_reloc
, "R_SPARC_OLO10", FALSE
,0,0x00001fff,TRUE
),
246 HOWTO(R_SPARC_HH22
, 42,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_HH22", FALSE
,0,0x003fffff,TRUE
),
247 HOWTO(R_SPARC_HM10
, 32,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HM10", FALSE
,0,0x000003ff,TRUE
),
248 HOWTO(R_SPARC_LM22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LM22", FALSE
,0,0x003fffff,TRUE
),
249 HOWTO(R_SPARC_PC_HH22
, 42,2,22,TRUE
, 0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_PC_HH22", FALSE
,0,0x003fffff,TRUE
),
250 HOWTO(R_SPARC_PC_HM10
, 32,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_HM10", FALSE
,0,0x000003ff,TRUE
),
251 HOWTO(R_SPARC_PC_LM22
, 10,2,22,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_LM22", FALSE
,0,0x003fffff,TRUE
),
252 HOWTO(R_SPARC_WDISP16
, 2,2,16,TRUE
, 0,complain_overflow_signed
, sparc_elf_wdisp16_reloc
,"R_SPARC_WDISP16", FALSE
,0,0x00000000,TRUE
),
253 HOWTO(R_SPARC_WDISP19
, 2,2,19,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP19", FALSE
,0,0x0007ffff,TRUE
),
254 HOWTO(R_SPARC_UNUSED_42
, 0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_UNUSED_42",FALSE
,0,0x00000000,TRUE
),
255 HOWTO(R_SPARC_7
, 0,2, 7,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_7", FALSE
,0,0x0000007f,TRUE
),
256 HOWTO(R_SPARC_5
, 0,2, 5,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_5", FALSE
,0,0x0000001f,TRUE
),
257 HOWTO(R_SPARC_6
, 0,2, 6,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_6", FALSE
,0,0x0000003f,TRUE
),
258 HOWTO(R_SPARC_DISP64
, 0,4,64,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP64", FALSE
,0,MINUS_ONE
, TRUE
),
259 HOWTO(R_SPARC_PLT64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT64", FALSE
,0,MINUS_ONE
, TRUE
),
260 HOWTO(R_SPARC_HIX22
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_HIX22", FALSE
,0,MINUS_ONE
, FALSE
),
261 HOWTO(R_SPARC_LOX10
, 0,4, 0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_LOX10", FALSE
,0,MINUS_ONE
, FALSE
),
262 HOWTO(R_SPARC_H44
, 22,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_H44", FALSE
,0,0x003fffff,FALSE
),
263 HOWTO(R_SPARC_M44
, 12,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_M44", FALSE
,0,0x000003ff,FALSE
),
264 HOWTO(R_SPARC_L44
, 0,2,13,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_L44", FALSE
,0,0x00000fff,FALSE
),
265 HOWTO(R_SPARC_REGISTER
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_notsup_reloc
, "R_SPARC_REGISTER",FALSE
,0,MINUS_ONE
, FALSE
),
266 HOWTO(R_SPARC_UA64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA64", FALSE
,0,MINUS_ONE
, TRUE
),
267 HOWTO(R_SPARC_UA16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA16", FALSE
,0,0x0000ffff,TRUE
),
268 HOWTO(R_SPARC_TLS_GD_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_HI22",FALSE
,0,0x003fffff,TRUE
),
269 HOWTO(R_SPARC_TLS_GD_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_LO10",FALSE
,0,0x000003ff,TRUE
),
270 HOWTO(R_SPARC_TLS_GD_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_ADD",FALSE
,0,0x00000000,TRUE
),
271 HOWTO(R_SPARC_TLS_GD_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_CALL",FALSE
,0,0x3fffffff,TRUE
),
272 HOWTO(R_SPARC_TLS_LDM_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_HI22",FALSE
,0,0x003fffff,TRUE
),
273 HOWTO(R_SPARC_TLS_LDM_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_LO10",FALSE
,0,0x000003ff,TRUE
),
274 HOWTO(R_SPARC_TLS_LDM_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_ADD",FALSE
,0,0x00000000,TRUE
),
275 HOWTO(R_SPARC_TLS_LDM_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_CALL",FALSE
,0,0x3fffffff,TRUE
),
276 HOWTO(R_SPARC_TLS_LDO_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_TLS_LDO_HIX22",FALSE
,0,0x003fffff, FALSE
),
277 HOWTO(R_SPARC_TLS_LDO_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LDO_LOX10",FALSE
,0,0x000003ff, FALSE
),
278 HOWTO(R_SPARC_TLS_LDO_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDO_ADD",FALSE
,0,0x00000000,TRUE
),
279 HOWTO(R_SPARC_TLS_IE_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_HI22",FALSE
,0,0x003fffff,TRUE
),
280 HOWTO(R_SPARC_TLS_IE_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LO10",FALSE
,0,0x000003ff,TRUE
),
281 HOWTO(R_SPARC_TLS_IE_LD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LD",FALSE
,0,0x00000000,TRUE
),
282 HOWTO(R_SPARC_TLS_IE_LDX
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LDX",FALSE
,0,0x00000000,TRUE
),
283 HOWTO(R_SPARC_TLS_IE_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_ADD",FALSE
,0,0x00000000,TRUE
),
284 HOWTO(R_SPARC_TLS_LE_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_TLS_LE_HIX22",FALSE
,0,0x003fffff, FALSE
),
285 HOWTO(R_SPARC_TLS_LE_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LE_LOX10",FALSE
,0,0x000003ff, FALSE
),
286 HOWTO(R_SPARC_TLS_DTPMOD32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD32",FALSE
,0,0x00000000,TRUE
),
287 HOWTO(R_SPARC_TLS_DTPMOD64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD64",FALSE
,0,0x00000000,TRUE
),
288 HOWTO(R_SPARC_TLS_DTPOFF32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF32",FALSE
,0,0xffffffff,TRUE
),
289 HOWTO(R_SPARC_TLS_DTPOFF64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF64",FALSE
,0,MINUS_ONE
,TRUE
),
290 HOWTO(R_SPARC_TLS_TPOFF32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF32",FALSE
,0,0x00000000,TRUE
),
291 HOWTO(R_SPARC_TLS_TPOFF64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF64",FALSE
,0,0x00000000,TRUE
),
292 HOWTO(R_SPARC_GOTDATA_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_GOTDATA_HIX22",FALSE
,0,0x003fffff, FALSE
),
293 HOWTO(R_SPARC_GOTDATA_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_GOTDATA_LOX10",FALSE
,0,0x000003ff, FALSE
),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_GOTDATA_OP_HIX22",FALSE
,0,0x003fffff, FALSE
),
295 HOWTO(R_SPARC_GOTDATA_OP_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_GOTDATA_OP_LOX10",FALSE
,0,0x000003ff, FALSE
),
296 HOWTO(R_SPARC_GOTDATA_OP
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOTDATA_OP",FALSE
,0,0x00000000,TRUE
),
297 HOWTO(R_SPARC_H34
,12,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
,"R_SPARC_H34",FALSE
,0,0x003fffff,FALSE
),
298 HOWTO(R_SPARC_SIZE32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE32",FALSE
,0,0xffffffff,TRUE
),
299 HOWTO(R_SPARC_SIZE64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE64",FALSE
,0,MINUS_ONE
, TRUE
),
300 HOWTO(R_SPARC_WDISP10
,2,2,10,TRUE
, 0,complain_overflow_signed
,sparc_elf_wdisp10_reloc
,"R_SPARC_WDISP10",FALSE
,0,0x00000000,TRUE
),
302 static reloc_howto_type sparc_jmp_irel_howto
=
303 HOWTO(R_SPARC_JMP_IREL
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_JMP_IREL",FALSE
,0,0x00000000,TRUE
);
304 static reloc_howto_type sparc_irelative_howto
=
305 HOWTO(R_SPARC_IRELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_IRELATIVE",FALSE
,0,0x00000000,TRUE
);
306 static reloc_howto_type sparc_vtinherit_howto
=
307 HOWTO (R_SPARC_GNU_VTINHERIT
, 0,2,0,FALSE
,0,complain_overflow_dont
, NULL
, "R_SPARC_GNU_VTINHERIT", FALSE
,0, 0, FALSE
);
308 static reloc_howto_type sparc_vtentry_howto
=
309 HOWTO (R_SPARC_GNU_VTENTRY
, 0,2,0,FALSE
,0,complain_overflow_dont
, _bfd_elf_rel_vtable_reloc_fn
,"R_SPARC_GNU_VTENTRY", FALSE
,0,0, FALSE
);
310 static reloc_howto_type sparc_rev32_howto
=
311 HOWTO(R_SPARC_REV32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_REV32", FALSE
,0,0xffffffff,TRUE
);
314 _bfd_sparc_elf_reloc_type_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
315 bfd_reloc_code_real_type code
)
317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
322 return &_bfd_sparc_elf_howto_table
[R_SPARC_NONE
];
325 return &_bfd_sparc_elf_howto_table
[R_SPARC_8
];
328 return &_bfd_sparc_elf_howto_table
[R_SPARC_16
];
331 return &_bfd_sparc_elf_howto_table
[R_SPARC_32
];
333 case BFD_RELOC_8_PCREL
:
334 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP8
];
336 case BFD_RELOC_16_PCREL
:
337 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP16
];
339 case BFD_RELOC_32_PCREL
:
340 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP32
];
342 case BFD_RELOC_32_PCREL_S2
:
343 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP30
];
345 case BFD_RELOC_SPARC_WDISP22
:
346 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP22
];
349 return &_bfd_sparc_elf_howto_table
[R_SPARC_HI22
];
351 case BFD_RELOC_SPARC22
:
352 return &_bfd_sparc_elf_howto_table
[R_SPARC_22
];
354 case BFD_RELOC_SPARC13
:
355 return &_bfd_sparc_elf_howto_table
[R_SPARC_13
];
358 return &_bfd_sparc_elf_howto_table
[R_SPARC_LO10
];
360 case BFD_RELOC_SPARC_GOT10
:
361 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT10
];
363 case BFD_RELOC_SPARC_GOT13
:
364 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT13
];
366 case BFD_RELOC_SPARC_GOT22
:
367 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT22
];
369 case BFD_RELOC_SPARC_PC10
:
370 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC10
];
372 case BFD_RELOC_SPARC_PC22
:
373 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC22
];
375 case BFD_RELOC_SPARC_WPLT30
:
376 return &_bfd_sparc_elf_howto_table
[R_SPARC_WPLT30
];
378 case BFD_RELOC_SPARC_COPY
:
379 return &_bfd_sparc_elf_howto_table
[R_SPARC_COPY
];
381 case BFD_RELOC_SPARC_GLOB_DAT
:
382 return &_bfd_sparc_elf_howto_table
[R_SPARC_GLOB_DAT
];
384 case BFD_RELOC_SPARC_JMP_SLOT
:
385 return &_bfd_sparc_elf_howto_table
[R_SPARC_JMP_SLOT
];
387 case BFD_RELOC_SPARC_RELATIVE
:
388 return &_bfd_sparc_elf_howto_table
[R_SPARC_RELATIVE
];
390 case BFD_RELOC_SPARC_UA32
:
391 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA32
];
393 case BFD_RELOC_SPARC_PLT32
:
394 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT32
];
396 case BFD_RELOC_SPARC_10
:
397 return &_bfd_sparc_elf_howto_table
[R_SPARC_10
];
399 case BFD_RELOC_SPARC_11
:
400 return &_bfd_sparc_elf_howto_table
[R_SPARC_11
];
402 case BFD_RELOC_SPARC_64
:
403 return &_bfd_sparc_elf_howto_table
[R_SPARC_64
];
405 case BFD_RELOC_SPARC_OLO10
:
406 return &_bfd_sparc_elf_howto_table
[R_SPARC_OLO10
];
408 case BFD_RELOC_SPARC_HH22
:
409 return &_bfd_sparc_elf_howto_table
[R_SPARC_HH22
];
411 case BFD_RELOC_SPARC_HM10
:
412 return &_bfd_sparc_elf_howto_table
[R_SPARC_HM10
];
414 case BFD_RELOC_SPARC_LM22
:
415 return &_bfd_sparc_elf_howto_table
[R_SPARC_LM22
];
417 case BFD_RELOC_SPARC_PC_HH22
:
418 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HH22
];
420 case BFD_RELOC_SPARC_PC_HM10
:
421 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HM10
];
423 case BFD_RELOC_SPARC_PC_LM22
:
424 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_LM22
];
426 case BFD_RELOC_SPARC_WDISP16
:
427 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP16
];
429 case BFD_RELOC_SPARC_WDISP19
:
430 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP19
];
432 case BFD_RELOC_SPARC_7
:
433 return &_bfd_sparc_elf_howto_table
[R_SPARC_7
];
435 case BFD_RELOC_SPARC_5
:
436 return &_bfd_sparc_elf_howto_table
[R_SPARC_5
];
438 case BFD_RELOC_SPARC_6
:
439 return &_bfd_sparc_elf_howto_table
[R_SPARC_6
];
441 case BFD_RELOC_SPARC_DISP64
:
442 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP64
];
444 case BFD_RELOC_SPARC_PLT64
:
445 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT64
];
447 case BFD_RELOC_SPARC_HIX22
:
448 return &_bfd_sparc_elf_howto_table
[R_SPARC_HIX22
];
450 case BFD_RELOC_SPARC_LOX10
:
451 return &_bfd_sparc_elf_howto_table
[R_SPARC_LOX10
];
453 case BFD_RELOC_SPARC_H44
:
454 return &_bfd_sparc_elf_howto_table
[R_SPARC_H44
];
456 case BFD_RELOC_SPARC_M44
:
457 return &_bfd_sparc_elf_howto_table
[R_SPARC_M44
];
459 case BFD_RELOC_SPARC_L44
:
460 return &_bfd_sparc_elf_howto_table
[R_SPARC_L44
];
462 case BFD_RELOC_SPARC_REGISTER
:
463 return &_bfd_sparc_elf_howto_table
[R_SPARC_REGISTER
];
465 case BFD_RELOC_SPARC_UA64
:
466 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA64
];
468 case BFD_RELOC_SPARC_UA16
:
469 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA16
];
471 case BFD_RELOC_SPARC_TLS_GD_HI22
:
472 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_HI22
];
474 case BFD_RELOC_SPARC_TLS_GD_LO10
:
475 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_LO10
];
477 case BFD_RELOC_SPARC_TLS_GD_ADD
:
478 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_ADD
];
480 case BFD_RELOC_SPARC_TLS_GD_CALL
:
481 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_CALL
];
483 case BFD_RELOC_SPARC_TLS_LDM_HI22
:
484 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_HI22
];
486 case BFD_RELOC_SPARC_TLS_LDM_LO10
:
487 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_LO10
];
489 case BFD_RELOC_SPARC_TLS_LDM_ADD
:
490 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_ADD
];
492 case BFD_RELOC_SPARC_TLS_LDM_CALL
:
493 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_CALL
];
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22
:
496 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_HIX22
];
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10
:
499 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_LOX10
];
501 case BFD_RELOC_SPARC_TLS_LDO_ADD
:
502 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_ADD
];
504 case BFD_RELOC_SPARC_TLS_IE_HI22
:
505 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_HI22
];
507 case BFD_RELOC_SPARC_TLS_IE_LO10
:
508 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LO10
];
510 case BFD_RELOC_SPARC_TLS_IE_LD
:
511 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LD
];
513 case BFD_RELOC_SPARC_TLS_IE_LDX
:
514 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LDX
];
516 case BFD_RELOC_SPARC_TLS_IE_ADD
:
517 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_ADD
];
519 case BFD_RELOC_SPARC_TLS_LE_HIX22
:
520 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_HIX22
];
522 case BFD_RELOC_SPARC_TLS_LE_LOX10
:
523 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_LOX10
];
525 case BFD_RELOC_SPARC_TLS_DTPMOD32
:
526 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD32
];
528 case BFD_RELOC_SPARC_TLS_DTPMOD64
:
529 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD64
];
531 case BFD_RELOC_SPARC_TLS_DTPOFF32
:
532 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF32
];
534 case BFD_RELOC_SPARC_TLS_DTPOFF64
:
535 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF64
];
537 case BFD_RELOC_SPARC_TLS_TPOFF32
:
538 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF32
];
540 case BFD_RELOC_SPARC_TLS_TPOFF64
:
541 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF64
];
543 case BFD_RELOC_SPARC_GOTDATA_HIX22
:
544 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_HIX22
];
546 case BFD_RELOC_SPARC_GOTDATA_LOX10
:
547 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_LOX10
];
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22
:
550 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_HIX22
];
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10
:
553 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_LOX10
];
555 case BFD_RELOC_SPARC_GOTDATA_OP
:
556 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP
];
558 case BFD_RELOC_SPARC_H34
:
559 return &_bfd_sparc_elf_howto_table
[R_SPARC_H34
];
561 case BFD_RELOC_SPARC_SIZE32
:
562 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE32
];
564 case BFD_RELOC_SPARC_SIZE64
:
565 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE64
];
567 case BFD_RELOC_SPARC_WDISP10
:
568 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP10
];
570 case BFD_RELOC_SPARC_JMP_IREL
:
571 return &sparc_jmp_irel_howto
;
573 case BFD_RELOC_SPARC_IRELATIVE
:
574 return &sparc_irelative_howto
;
576 case BFD_RELOC_VTABLE_INHERIT
:
577 return &sparc_vtinherit_howto
;
579 case BFD_RELOC_VTABLE_ENTRY
:
580 return &sparc_vtentry_howto
;
582 case BFD_RELOC_SPARC_REV32
:
583 return &sparc_rev32_howto
;
588 bfd_set_error (bfd_error_bad_value
);
593 _bfd_sparc_elf_reloc_name_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
599 i
< (sizeof (_bfd_sparc_elf_howto_table
)
600 / sizeof (_bfd_sparc_elf_howto_table
[0]));
602 if (_bfd_sparc_elf_howto_table
[i
].name
!= NULL
603 && strcasecmp (_bfd_sparc_elf_howto_table
[i
].name
, r_name
) == 0)
604 return &_bfd_sparc_elf_howto_table
[i
];
606 if (strcasecmp (sparc_vtinherit_howto
.name
, r_name
) == 0)
607 return &sparc_vtinherit_howto
;
608 if (strcasecmp (sparc_vtentry_howto
.name
, r_name
) == 0)
609 return &sparc_vtentry_howto
;
610 if (strcasecmp (sparc_rev32_howto
.name
, r_name
) == 0)
611 return &sparc_rev32_howto
;
617 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type
)
621 case R_SPARC_JMP_IREL
:
622 return &sparc_jmp_irel_howto
;
624 case R_SPARC_IRELATIVE
:
625 return &sparc_irelative_howto
;
627 case R_SPARC_GNU_VTINHERIT
:
628 return &sparc_vtinherit_howto
;
630 case R_SPARC_GNU_VTENTRY
:
631 return &sparc_vtentry_howto
;
634 return &sparc_rev32_howto
;
637 if (r_type
>= (unsigned int) R_SPARC_max_std
)
639 _bfd_error_handler (_("invalid relocation type %d"), (int) r_type
);
640 r_type
= R_SPARC_NONE
;
642 return &_bfd_sparc_elf_howto_table
[r_type
];
646 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
647 so just take advantage of that. */
648 #define SPARC_ELF_R_TYPE(r_info) \
652 _bfd_sparc_elf_info_to_howto (bfd
*abfd ATTRIBUTE_UNUSED
, arelent
*cache_ptr
,
653 Elf_Internal_Rela
*dst
)
655 unsigned int r_type
= SPARC_ELF_R_TYPE (dst
->r_info
);
657 cache_ptr
->howto
= _bfd_sparc_elf_info_to_howto_ptr (r_type
);
661 /* The nop opcode we use. */
662 #define SPARC_NOP 0x01000000
664 #define SPARC_INSN_BYTES 4
666 /* The SPARC linker needs to keep track of the number of relocs that it
667 decides to copy as dynamic relocs in check_relocs for each symbol.
668 This is so that it can later discard them if they are found to be
669 unnecessary. We store the information in a field extending the
670 regular ELF linker hash table. */
672 struct _bfd_sparc_elf_dyn_relocs
674 struct _bfd_sparc_elf_dyn_relocs
*next
;
676 /* The input section of the reloc. */
679 /* Total number of relocs copied for the input section. */
682 /* Number of pc-relative relocs copied for the input section. */
683 bfd_size_type pc_count
;
686 /* Is an undefined weak symbol resolved to 0 ?
687 Reference to an undefined weak symbol is resolved to 0 when
688 building an executable if it isn't dynamic and
689 1. Has non-GOT/non-PLT relocations in text section.
691 2. Has no GOT/PLT relocation. */
692 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
693 ((EH)->elf.root.type == bfd_link_hash_undefweak \
694 && bfd_link_executable (INFO) \
695 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
696 || !(EH)->has_got_reloc \
697 || (EH)->has_non_got_reloc \
698 || !(INFO)->dynamic_undefined_weak))
700 /* SPARC ELF linker hash entry. */
702 struct _bfd_sparc_elf_link_hash_entry
704 struct elf_link_hash_entry elf
;
706 /* Track dynamic relocs copied for this symbol. */
707 struct _bfd_sparc_elf_dyn_relocs
*dyn_relocs
;
709 #define GOT_UNKNOWN 0
713 unsigned char tls_type
;
715 /* Symbol has GOT or PLT relocations. */
716 unsigned int has_got_reloc
: 1;
718 /* Symbol has non-GOT/non-PLT relocations in text sections. */
719 unsigned int has_non_got_reloc
: 1;
723 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
725 struct _bfd_sparc_elf_obj_tdata
727 struct elf_obj_tdata root
;
729 /* tls_type for each local got entry. */
730 char *local_got_tls_type
;
732 /* TRUE if TLS GD relocs has been seen for this object. */
733 bfd_boolean has_tlsgd
;
736 #define _bfd_sparc_elf_tdata(abfd) \
737 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
739 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
740 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
742 #define is_sparc_elf(bfd) \
743 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
744 && elf_tdata (bfd) != NULL \
745 && elf_object_id (bfd) == SPARC_ELF_DATA)
748 _bfd_sparc_elf_mkobject (bfd
*abfd
)
750 return bfd_elf_allocate_object (abfd
, sizeof (struct _bfd_sparc_elf_obj_tdata
),
755 sparc_put_word_32 (bfd
*abfd
, bfd_vma val
, void *ptr
)
757 bfd_put_32 (abfd
, val
, ptr
);
761 sparc_put_word_64 (bfd
*abfd
, bfd_vma val
, void *ptr
)
763 bfd_put_64 (abfd
, val
, ptr
);
767 sparc_elf_append_rela (bfd
*abfd
, asection
*s
, Elf_Internal_Rela
*rel
)
769 const struct elf_backend_data
*bed
;
772 bed
= get_elf_backend_data (abfd
);
773 loc
= s
->contents
+ (s
->reloc_count
++ * bed
->s
->sizeof_rela
);
774 bed
->s
->swap_reloca_out (abfd
, rel
, loc
);
778 sparc_elf_r_info_64 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
779 bfd_vma rel_index ATTRIBUTE_UNUSED
,
780 bfd_vma type ATTRIBUTE_UNUSED
)
782 return ELF64_R_INFO (rel_index
,
784 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel
->r_info
),
789 sparc_elf_r_info_32 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
790 bfd_vma rel_index
, bfd_vma type
)
792 return ELF32_R_INFO (rel_index
, type
);
796 sparc_elf_r_symndx_64 (bfd_vma r_info
)
798 bfd_vma r_symndx
= ELF32_R_SYM (r_info
);
799 return (r_symndx
>> 24);
803 sparc_elf_r_symndx_32 (bfd_vma r_info
)
805 return ELF32_R_SYM (r_info
);
810 #define PLT32_ENTRY_SIZE 12
811 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
813 /* The first four entries in a 32-bit procedure linkage table are reserved,
814 and the initial contents are unimportant (we zero them out).
815 Subsequent entries look like this. See the SVR4 ABI SPARC
816 supplement to see how this works. */
818 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
819 #define PLT32_ENTRY_WORD0 0x03000000
820 /* b,a .plt0. We fill in the offset later. */
821 #define PLT32_ENTRY_WORD1 0x30800000
823 #define PLT32_ENTRY_WORD2 SPARC_NOP
826 sparc32_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
827 bfd_vma max ATTRIBUTE_UNUSED
,
830 bfd_put_32 (output_bfd
,
831 PLT32_ENTRY_WORD0
+ offset
,
832 splt
->contents
+ offset
);
833 bfd_put_32 (output_bfd
,
835 + (((- (offset
+ 4)) >> 2) & 0x3fffff)),
836 splt
->contents
+ offset
+ 4);
837 bfd_put_32 (output_bfd
, (bfd_vma
) PLT32_ENTRY_WORD2
,
838 splt
->contents
+ offset
+ 8);
842 return offset
/ PLT32_ENTRY_SIZE
- 4;
845 /* Both the headers and the entries are icache aligned. */
846 #define PLT64_ENTRY_SIZE 32
847 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
848 #define PLT64_LARGE_THRESHOLD 32768
851 sparc64_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
852 bfd_vma max
, bfd_vma
*r_offset
)
854 unsigned char *entry
= splt
->contents
+ offset
;
855 const unsigned int nop
= SPARC_NOP
;
858 if (offset
< (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
860 unsigned int sethi
, ba
;
864 plt_index
= (offset
/ PLT64_ENTRY_SIZE
);
866 sethi
= 0x03000000 | (plt_index
* PLT64_ENTRY_SIZE
);
868 | (((splt
->contents
+ PLT64_ENTRY_SIZE
) - (entry
+ 4)) / 4 & 0x7ffff);
870 bfd_put_32 (output_bfd
, (bfd_vma
) sethi
, entry
);
871 bfd_put_32 (output_bfd
, (bfd_vma
) ba
, entry
+ 4);
872 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 8);
873 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 12);
874 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 16);
875 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 20);
876 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 24);
877 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 28);
883 int block
, last_block
, ofs
, last_ofs
, chunks_this_block
;
884 const int insn_chunk_size
= (6 * 4);
885 const int ptr_chunk_size
= (1 * 8);
886 const int entries_per_block
= 160;
887 const int block_size
= entries_per_block
* (insn_chunk_size
890 /* Entries 32768 and higher are grouped into blocks of 160.
891 The blocks are further subdivided into 160 sequences of
892 6 instructions and 160 pointers. If a block does not require
893 the full 160 entries, let's say it requires N, then there
894 will be N sequences of 6 instructions and N pointers. */
896 offset
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
897 max
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
899 block
= offset
/ block_size
;
900 last_block
= max
/ block_size
;
901 if (block
!= last_block
)
903 chunks_this_block
= 160;
907 last_ofs
= max
% block_size
;
908 chunks_this_block
= last_ofs
/ (insn_chunk_size
+ ptr_chunk_size
);
911 ofs
= offset
% block_size
;
913 plt_index
= (PLT64_LARGE_THRESHOLD
+
915 (ofs
/ insn_chunk_size
));
918 + (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
919 + (block
* block_size
)
920 + (chunks_this_block
* insn_chunk_size
)
921 + (ofs
/ insn_chunk_size
) * ptr_chunk_size
;
923 *r_offset
= (bfd_vma
) (ptr
- splt
->contents
);
925 ldx
= 0xc25be000 | ((ptr
- (entry
+4)) & 0x1fff);
933 bfd_put_32 (output_bfd
, (bfd_vma
) 0x8a10000f, entry
);
934 bfd_put_32 (output_bfd
, (bfd_vma
) 0x40000002, entry
+ 4);
935 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
, entry
+ 8);
936 bfd_put_32 (output_bfd
, (bfd_vma
) ldx
, entry
+ 12);
937 bfd_put_32 (output_bfd
, (bfd_vma
) 0x83c3c001, entry
+ 16);
938 bfd_put_32 (output_bfd
, (bfd_vma
) 0x9e100005, entry
+ 20);
940 bfd_put_64 (output_bfd
, (bfd_vma
) (splt
->contents
- (entry
+ 4)), ptr
);
943 return plt_index
- 4;
946 /* The format of the first PLT entry in a VxWorks executable. */
947 static const bfd_vma sparc_vxworks_exec_plt0_entry
[] =
949 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
950 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
951 0xc4008000, /* ld [ %g2 ], %g2 */
952 0x81c08000, /* jmp %g2 */
956 /* The format of subsequent PLT entries. */
957 static const bfd_vma sparc_vxworks_exec_plt_entry
[] =
959 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
960 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
961 0xc2004000, /* ld [ %g1 ], %g1 */
962 0x81c04000, /* jmp %g1 */
963 0x01000000, /* nop */
964 0x03000000, /* sethi %hi(f@pltindex), %g1 */
965 0x10800000, /* b _PLT_resolve */
966 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
969 /* The format of the first PLT entry in a VxWorks shared object. */
970 static const bfd_vma sparc_vxworks_shared_plt0_entry
[] =
972 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
973 0x81c08000, /* jmp %g2 */
977 /* The format of subsequent PLT entries. */
978 static const bfd_vma sparc_vxworks_shared_plt_entry
[] =
980 0x03000000, /* sethi %hi(f@got), %g1 */
981 0x82106000, /* or %g1, %lo(f@got), %g1 */
982 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
983 0x81c04000, /* jmp %g1 */
984 0x01000000, /* nop */
985 0x03000000, /* sethi %hi(f@pltindex), %g1 */
986 0x10800000, /* b _PLT_resolve */
987 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
990 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
991 htab->put_word(bfd, val, ptr)
993 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
994 htab->r_info(in_rel, index, type)
996 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
997 htab->r_symndx(r_info)
999 #define SPARC_ELF_WORD_BYTES(htab) \
1000 htab->bytes_per_word
1002 #define SPARC_ELF_RELA_BYTES(htab) \
1003 htab->bytes_per_rela
1005 #define SPARC_ELF_DTPOFF_RELOC(htab) \
1008 #define SPARC_ELF_DTPMOD_RELOC(htab) \
1011 #define SPARC_ELF_TPOFF_RELOC(htab) \
1014 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1015 htab->build_plt_entry (obfd, splt, off, max, r_off)
1017 /* Create an entry in an SPARC ELF linker hash table. */
1019 static struct bfd_hash_entry
*
1020 link_hash_newfunc (struct bfd_hash_entry
*entry
,
1021 struct bfd_hash_table
*table
, const char *string
)
1023 /* Allocate the structure if it has not already been allocated by a
1027 entry
= bfd_hash_allocate (table
,
1028 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1033 /* Call the allocation method of the superclass. */
1034 entry
= _bfd_elf_link_hash_newfunc (entry
, table
, string
);
1037 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1039 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) entry
;
1040 eh
->dyn_relocs
= NULL
;
1041 eh
->tls_type
= GOT_UNKNOWN
;
1042 eh
->has_got_reloc
= 0;
1043 eh
->has_non_got_reloc
= 0;
1049 /* The name of the dynamic interpreter. This is put in the .interp
1052 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1053 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1055 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1056 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1057 as global symbol. We reuse indx and dynstr_index for local symbol
1058 hash since they aren't used by global symbols in this backend. */
1061 elf_sparc_local_htab_hash (const void *ptr
)
1063 struct elf_link_hash_entry
*h
1064 = (struct elf_link_hash_entry
*) ptr
;
1065 return ELF_LOCAL_SYMBOL_HASH (h
->indx
, h
->dynstr_index
);
1068 /* Compare local hash entries. */
1071 elf_sparc_local_htab_eq (const void *ptr1
, const void *ptr2
)
1073 struct elf_link_hash_entry
*h1
1074 = (struct elf_link_hash_entry
*) ptr1
;
1075 struct elf_link_hash_entry
*h2
1076 = (struct elf_link_hash_entry
*) ptr2
;
1078 return h1
->indx
== h2
->indx
&& h1
->dynstr_index
== h2
->dynstr_index
;
1081 /* Find and/or create a hash entry for local symbol. */
1083 static struct elf_link_hash_entry
*
1084 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table
*htab
,
1085 bfd
*abfd
, const Elf_Internal_Rela
*rel
,
1088 struct _bfd_sparc_elf_link_hash_entry e
, *ret
;
1089 asection
*sec
= abfd
->sections
;
1090 unsigned long r_symndx
;
1094 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1095 h
= ELF_LOCAL_SYMBOL_HASH (sec
->id
, r_symndx
);
1097 e
.elf
.indx
= sec
->id
;
1098 e
.elf
.dynstr_index
= r_symndx
;
1099 slot
= htab_find_slot_with_hash (htab
->loc_hash_table
, &e
, h
,
1100 create
? INSERT
: NO_INSERT
);
1107 ret
= (struct _bfd_sparc_elf_link_hash_entry
*) *slot
;
1111 ret
= (struct _bfd_sparc_elf_link_hash_entry
*)
1112 objalloc_alloc ((struct objalloc
*) htab
->loc_hash_memory
,
1113 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1116 memset (ret
, 0, sizeof (*ret
));
1117 ret
->elf
.indx
= sec
->id
;
1118 ret
->elf
.dynstr_index
= r_symndx
;
1119 ret
->elf
.dynindx
= -1;
1120 ret
->elf
.plt
.offset
= (bfd_vma
) -1;
1121 ret
->elf
.got
.offset
= (bfd_vma
) -1;
1127 /* Destroy a SPARC ELF linker hash table. */
1130 _bfd_sparc_elf_link_hash_table_free (bfd
*obfd
)
1132 struct _bfd_sparc_elf_link_hash_table
*htab
1133 = (struct _bfd_sparc_elf_link_hash_table
*) obfd
->link
.hash
;
1135 if (htab
->loc_hash_table
)
1136 htab_delete (htab
->loc_hash_table
);
1137 if (htab
->loc_hash_memory
)
1138 objalloc_free ((struct objalloc
*) htab
->loc_hash_memory
);
1139 _bfd_elf_link_hash_table_free (obfd
);
1142 /* Create a SPARC ELF linker hash table. */
1144 struct bfd_link_hash_table
*
1145 _bfd_sparc_elf_link_hash_table_create (bfd
*abfd
)
1147 struct _bfd_sparc_elf_link_hash_table
*ret
;
1148 bfd_size_type amt
= sizeof (struct _bfd_sparc_elf_link_hash_table
);
1150 ret
= (struct _bfd_sparc_elf_link_hash_table
*) bfd_zmalloc (amt
);
1154 if (ABI_64_P (abfd
))
1156 ret
->put_word
= sparc_put_word_64
;
1157 ret
->r_info
= sparc_elf_r_info_64
;
1158 ret
->r_symndx
= sparc_elf_r_symndx_64
;
1159 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF64
;
1160 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD64
;
1161 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF64
;
1162 ret
->word_align_power
= 3;
1163 ret
->align_power_max
= 4;
1164 ret
->bytes_per_word
= 8;
1165 ret
->bytes_per_rela
= sizeof (Elf64_External_Rela
);
1166 ret
->dynamic_interpreter
= ELF64_DYNAMIC_INTERPRETER
;
1167 ret
->dynamic_interpreter_size
= sizeof ELF64_DYNAMIC_INTERPRETER
;
1169 ret
->build_plt_entry
= sparc64_plt_entry_build
;
1170 ret
->plt_header_size
= PLT64_HEADER_SIZE
;
1171 ret
->plt_entry_size
= PLT64_ENTRY_SIZE
;
1175 ret
->put_word
= sparc_put_word_32
;
1176 ret
->r_info
= sparc_elf_r_info_32
;
1177 ret
->r_symndx
= sparc_elf_r_symndx_32
;
1178 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF32
;
1179 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD32
;
1180 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF32
;
1181 ret
->word_align_power
= 2;
1182 ret
->align_power_max
= 3;
1183 ret
->bytes_per_word
= 4;
1184 ret
->bytes_per_rela
= sizeof (Elf32_External_Rela
);
1185 ret
->dynamic_interpreter
= ELF32_DYNAMIC_INTERPRETER
;
1186 ret
->dynamic_interpreter_size
= sizeof ELF32_DYNAMIC_INTERPRETER
;
1188 ret
->build_plt_entry
= sparc32_plt_entry_build
;
1189 ret
->plt_header_size
= PLT32_HEADER_SIZE
;
1190 ret
->plt_entry_size
= PLT32_ENTRY_SIZE
;
1193 if (!_bfd_elf_link_hash_table_init (&ret
->elf
, abfd
, link_hash_newfunc
,
1194 sizeof (struct _bfd_sparc_elf_link_hash_entry
),
1201 ret
->loc_hash_table
= htab_try_create (1024,
1202 elf_sparc_local_htab_hash
,
1203 elf_sparc_local_htab_eq
,
1205 ret
->loc_hash_memory
= objalloc_create ();
1206 if (!ret
->loc_hash_table
|| !ret
->loc_hash_memory
)
1208 _bfd_sparc_elf_link_hash_table_free (abfd
);
1211 ret
->elf
.root
.hash_table_free
= _bfd_sparc_elf_link_hash_table_free
;
1213 return &ret
->elf
.root
;
1216 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1217 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1221 _bfd_sparc_elf_create_dynamic_sections (bfd
*dynobj
,
1222 struct bfd_link_info
*info
)
1224 struct _bfd_sparc_elf_link_hash_table
*htab
;
1226 htab
= _bfd_sparc_elf_hash_table (info
);
1227 BFD_ASSERT (htab
!= NULL
);
1229 if (!_bfd_elf_create_dynamic_sections (dynobj
, info
))
1232 if (htab
->is_vxworks
)
1234 if (!elf_vxworks_create_dynamic_sections (dynobj
, info
, &htab
->srelplt2
))
1236 if (bfd_link_pic (info
))
1238 htab
->plt_header_size
1239 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
);
1240 htab
->plt_entry_size
1241 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry
);
1245 htab
->plt_header_size
1246 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry
);
1247 htab
->plt_entry_size
1248 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry
);
1252 if (!htab
->elf
.splt
|| !htab
->elf
.srelplt
|| !htab
->elf
.sdynbss
1253 || (!bfd_link_pic (info
) && !htab
->elf
.srelbss
))
1260 create_ifunc_sections (bfd
*abfd
, struct bfd_link_info
*info
)
1262 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
1263 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
1264 flagword flags
, pltflags
;
1267 if (htab
->irelifunc
!= NULL
|| htab
->iplt
!= NULL
)
1270 flags
= bed
->dynamic_sec_flags
;
1271 pltflags
= flags
| SEC_ALLOC
| SEC_CODE
| SEC_LOAD
;
1273 s
= bfd_make_section_with_flags (abfd
, ".iplt", pltflags
);
1275 || ! bfd_set_section_alignment (abfd
, s
, bed
->plt_alignment
))
1279 s
= bfd_make_section_with_flags (abfd
, ".rela.iplt",
1280 flags
| SEC_READONLY
);
1282 || ! bfd_set_section_alignment (abfd
, s
,
1283 bed
->s
->log_file_align
))
1290 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1293 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info
*info
,
1294 struct elf_link_hash_entry
*dir
,
1295 struct elf_link_hash_entry
*ind
)
1297 struct _bfd_sparc_elf_link_hash_entry
*edir
, *eind
;
1299 edir
= (struct _bfd_sparc_elf_link_hash_entry
*) dir
;
1300 eind
= (struct _bfd_sparc_elf_link_hash_entry
*) ind
;
1302 if (eind
->dyn_relocs
!= NULL
)
1304 if (edir
->dyn_relocs
!= NULL
)
1306 struct _bfd_sparc_elf_dyn_relocs
**pp
;
1307 struct _bfd_sparc_elf_dyn_relocs
*p
;
1309 /* Add reloc counts against the indirect sym to the direct sym
1310 list. Merge any entries against the same section. */
1311 for (pp
= &eind
->dyn_relocs
; (p
= *pp
) != NULL
; )
1313 struct _bfd_sparc_elf_dyn_relocs
*q
;
1315 for (q
= edir
->dyn_relocs
; q
!= NULL
; q
= q
->next
)
1316 if (q
->sec
== p
->sec
)
1318 q
->pc_count
+= p
->pc_count
;
1319 q
->count
+= p
->count
;
1326 *pp
= edir
->dyn_relocs
;
1329 edir
->dyn_relocs
= eind
->dyn_relocs
;
1330 eind
->dyn_relocs
= NULL
;
1333 if (ind
->root
.type
== bfd_link_hash_indirect
1334 && dir
->got
.refcount
<= 0)
1336 edir
->tls_type
= eind
->tls_type
;
1337 eind
->tls_type
= GOT_UNKNOWN
;
1340 /* Copy has_got_reloc and has_non_got_reloc. */
1341 edir
->has_got_reloc
|= eind
->has_got_reloc
;
1342 edir
->has_non_got_reloc
|= eind
->has_non_got_reloc
;
1344 _bfd_elf_link_hash_copy_indirect (info
, dir
, ind
);
1348 sparc_elf_tls_transition (struct bfd_link_info
*info
, bfd
*abfd
,
1349 int r_type
, int is_local
)
1351 if (! ABI_64_P (abfd
)
1352 && r_type
== R_SPARC_TLS_GD_HI22
1353 && ! _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
)
1354 r_type
= R_SPARC_REV32
;
1356 if (!bfd_link_executable (info
))
1361 case R_SPARC_TLS_GD_HI22
:
1363 return R_SPARC_TLS_LE_HIX22
;
1364 return R_SPARC_TLS_IE_HI22
;
1365 case R_SPARC_TLS_GD_LO10
:
1367 return R_SPARC_TLS_LE_LOX10
;
1368 return R_SPARC_TLS_IE_LO10
;
1369 case R_SPARC_TLS_IE_HI22
:
1371 return R_SPARC_TLS_LE_HIX22
;
1373 case R_SPARC_TLS_IE_LO10
:
1375 return R_SPARC_TLS_LE_LOX10
;
1377 case R_SPARC_TLS_LDM_HI22
:
1378 return R_SPARC_TLS_LE_HIX22
;
1379 case R_SPARC_TLS_LDM_LO10
:
1380 return R_SPARC_TLS_LE_LOX10
;
1386 /* Look through the relocs for a section during the first phase, and
1387 allocate space in the global offset table or procedure linkage
1391 _bfd_sparc_elf_check_relocs (bfd
*abfd
, struct bfd_link_info
*info
,
1392 asection
*sec
, const Elf_Internal_Rela
*relocs
)
1394 struct _bfd_sparc_elf_link_hash_table
*htab
;
1395 Elf_Internal_Shdr
*symtab_hdr
;
1396 struct elf_link_hash_entry
**sym_hashes
;
1397 const Elf_Internal_Rela
*rel
;
1398 const Elf_Internal_Rela
*rel_end
;
1401 bfd_boolean checked_tlsgd
= FALSE
;
1403 if (bfd_link_relocatable (info
))
1406 htab
= _bfd_sparc_elf_hash_table (info
);
1407 BFD_ASSERT (htab
!= NULL
);
1408 symtab_hdr
= &elf_symtab_hdr (abfd
);
1409 sym_hashes
= elf_sym_hashes (abfd
);
1413 if (ABI_64_P (abfd
))
1414 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec
));
1416 num_relocs
= sec
->reloc_count
;
1418 BFD_ASSERT (is_sparc_elf (abfd
) || num_relocs
== 0);
1420 if (htab
->elf
.dynobj
== NULL
)
1421 htab
->elf
.dynobj
= abfd
;
1422 if (!create_ifunc_sections (htab
->elf
.dynobj
, info
))
1425 rel_end
= relocs
+ num_relocs
;
1426 for (rel
= relocs
; rel
< rel_end
; rel
++)
1428 unsigned int r_type
;
1429 unsigned int r_symndx
;
1430 struct elf_link_hash_entry
*h
;
1431 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1432 Elf_Internal_Sym
*isym
;
1434 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1435 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1437 if (r_symndx
>= NUM_SHDR_ENTRIES (symtab_hdr
))
1439 /* xgettext:c-format */
1440 _bfd_error_handler (_("%B: bad symbol index: %d"), abfd
, r_symndx
);
1445 if (r_symndx
< symtab_hdr
->sh_info
)
1447 /* A local symbol. */
1448 isym
= bfd_sym_from_r_symndx (&htab
->sym_cache
,
1453 /* Check relocation against local STT_GNU_IFUNC symbol. */
1454 if (ELF_ST_TYPE (isym
->st_info
) == STT_GNU_IFUNC
)
1456 h
= elf_sparc_get_local_sym_hash (htab
, abfd
, rel
,
1461 /* Fake a STT_GNU_IFUNC symbol. */
1462 h
->type
= STT_GNU_IFUNC
;
1465 h
->forced_local
= 1;
1466 h
->root
.type
= bfd_link_hash_defined
;
1473 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1474 while (h
->root
.type
== bfd_link_hash_indirect
1475 || h
->root
.type
== bfd_link_hash_warning
)
1476 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1479 if (h
&& h
->type
== STT_GNU_IFUNC
)
1484 h
->plt
.refcount
+= 1;
1488 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1489 with R_SPARC_TLS_GD_HI22. */
1490 if (! ABI_64_P (abfd
) && ! checked_tlsgd
)
1493 case R_SPARC_TLS_GD_HI22
:
1495 const Elf_Internal_Rela
*relt
;
1497 for (relt
= rel
+ 1; relt
< rel_end
; relt
++)
1498 if (ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_LO10
1499 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_ADD
1500 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_CALL
)
1502 checked_tlsgd
= TRUE
;
1503 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= relt
< rel_end
;
1506 case R_SPARC_TLS_GD_LO10
:
1507 case R_SPARC_TLS_GD_ADD
:
1508 case R_SPARC_TLS_GD_CALL
:
1509 checked_tlsgd
= TRUE
;
1510 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= TRUE
;
1514 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
1515 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1519 case R_SPARC_TLS_LDM_HI22
:
1520 case R_SPARC_TLS_LDM_LO10
:
1521 htab
->tls_ldm_got
.refcount
+= 1;
1523 eh
->has_got_reloc
= 1;
1526 case R_SPARC_TLS_LE_HIX22
:
1527 case R_SPARC_TLS_LE_LOX10
:
1528 if (!bfd_link_executable (info
))
1532 case R_SPARC_TLS_IE_HI22
:
1533 case R_SPARC_TLS_IE_LO10
:
1534 if (!bfd_link_executable (info
))
1535 info
->flags
|= DF_STATIC_TLS
;
1541 case R_SPARC_GOTDATA_HIX22
:
1542 case R_SPARC_GOTDATA_LOX10
:
1543 case R_SPARC_GOTDATA_OP_HIX22
:
1544 case R_SPARC_GOTDATA_OP_LOX10
:
1545 case R_SPARC_TLS_GD_HI22
:
1546 case R_SPARC_TLS_GD_LO10
:
1547 /* This symbol requires a global offset table entry. */
1549 int tls_type
, old_tls_type
;
1557 case R_SPARC_GOTDATA_OP_HIX22
:
1558 case R_SPARC_GOTDATA_OP_LOX10
:
1559 tls_type
= GOT_NORMAL
;
1561 case R_SPARC_TLS_GD_HI22
:
1562 case R_SPARC_TLS_GD_LO10
:
1563 tls_type
= GOT_TLS_GD
;
1565 case R_SPARC_TLS_IE_HI22
:
1566 case R_SPARC_TLS_IE_LO10
:
1567 tls_type
= GOT_TLS_IE
;
1573 h
->got
.refcount
+= 1;
1574 old_tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
1578 bfd_signed_vma
*local_got_refcounts
;
1580 /* This is a global offset table entry for a local symbol. */
1581 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1582 if (local_got_refcounts
== NULL
)
1586 size
= symtab_hdr
->sh_info
;
1587 size
*= (sizeof (bfd_signed_vma
) + sizeof(char));
1588 local_got_refcounts
= ((bfd_signed_vma
*)
1589 bfd_zalloc (abfd
, size
));
1590 if (local_got_refcounts
== NULL
)
1592 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
1593 _bfd_sparc_elf_local_got_tls_type (abfd
)
1594 = (char *) (local_got_refcounts
+ symtab_hdr
->sh_info
);
1598 case R_SPARC_GOTDATA_OP_HIX22
:
1599 case R_SPARC_GOTDATA_OP_LOX10
:
1603 local_got_refcounts
[r_symndx
] += 1;
1606 old_tls_type
= _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
];
1609 /* If a TLS symbol is accessed using IE at least once,
1610 there is no point to use dynamic model for it. */
1611 if (old_tls_type
!= tls_type
&& old_tls_type
!= GOT_UNKNOWN
1612 && (old_tls_type
!= GOT_TLS_GD
1613 || tls_type
!= GOT_TLS_IE
))
1615 if (old_tls_type
== GOT_TLS_IE
&& tls_type
== GOT_TLS_GD
)
1616 tls_type
= old_tls_type
;
1620 /* xgettext:c-format */
1621 (_("%B: `%s' accessed both as normal and thread local symbol"),
1622 abfd
, h
? h
->root
.root
.string
: "<local>");
1627 if (old_tls_type
!= tls_type
)
1630 _bfd_sparc_elf_hash_entry (h
)->tls_type
= tls_type
;
1632 _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
] = tls_type
;
1636 if (htab
->elf
.sgot
== NULL
)
1638 if (!_bfd_elf_create_got_section (htab
->elf
.dynobj
, info
))
1643 eh
->has_got_reloc
= 1;
1646 case R_SPARC_TLS_GD_CALL
:
1647 case R_SPARC_TLS_LDM_CALL
:
1648 if (!bfd_link_executable (info
))
1650 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1652 struct bfd_link_hash_entry
*bh
= NULL
;
1653 if (! _bfd_generic_link_add_one_symbol (info
, abfd
,
1654 "__tls_get_addr", 0,
1655 bfd_und_section_ptr
, 0,
1659 h
= (struct elf_link_hash_entry
*) bh
;
1666 case R_SPARC_WPLT30
:
1667 case R_SPARC_HIPLT22
:
1668 case R_SPARC_LOPLT10
:
1669 case R_SPARC_PCPLT32
:
1670 case R_SPARC_PCPLT22
:
1671 case R_SPARC_PCPLT10
:
1673 /* This symbol requires a procedure linkage table entry. We
1674 actually build the entry in adjust_dynamic_symbol,
1675 because this might be a case of linking PIC code without
1676 linking in any dynamic objects, in which case we don't
1677 need to generate a procedure linkage table after all. */
1681 if (! ABI_64_P (abfd
))
1683 /* The Solaris native assembler will generate a WPLT30
1684 reloc for a local symbol if you assemble a call from
1685 one section to another when using -K pic. We treat
1687 if (ELF32_R_TYPE (rel
->r_info
) == R_SPARC_PLT32
)
1691 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1692 else if (r_type
== R_SPARC_WPLT30
)
1695 /* It does not make sense to have a procedure linkage
1696 table entry for a local symbol. */
1697 bfd_set_error (bfd_error_bad_value
);
1706 this_r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1707 if (this_r_type
== R_SPARC_PLT32
1708 || this_r_type
== R_SPARC_PLT64
)
1711 h
->plt
.refcount
+= 1;
1713 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1714 eh
->has_got_reloc
= 1;
1719 case R_SPARC_PC_HH22
:
1720 case R_SPARC_PC_HM10
:
1721 case R_SPARC_PC_LM22
:
1726 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1731 case R_SPARC_DISP16
:
1732 case R_SPARC_DISP32
:
1733 case R_SPARC_DISP64
:
1734 case R_SPARC_WDISP30
:
1735 case R_SPARC_WDISP22
:
1736 case R_SPARC_WDISP19
:
1737 case R_SPARC_WDISP16
:
1738 case R_SPARC_WDISP10
:
1768 if (eh
!= NULL
&& (sec
->flags
& SEC_CODE
) != 0)
1769 eh
->has_non_got_reloc
= 1;
1772 if (h
!= NULL
&& !bfd_link_pic (info
))
1774 /* We may need a .plt entry if the function this reloc
1775 refers to is in a shared lib. */
1776 h
->plt
.refcount
+= 1;
1779 /* If we are creating a shared library, and this is a reloc
1780 against a global symbol, or a non PC relative reloc
1781 against a local symbol, then we need to copy the reloc
1782 into the shared library. However, if we are linking with
1783 -Bsymbolic, we do not need to copy a reloc against a
1784 global symbol which is defined in an object we are
1785 including in the link (i.e., DEF_REGULAR is set). At
1786 this point we have not seen all the input files, so it is
1787 possible that DEF_REGULAR is not set now but will be set
1788 later (it is never cleared). In case of a weak definition,
1789 DEF_REGULAR may be cleared later by a strong definition in
1790 a shared library. We account for that possibility below by
1791 storing information in the relocs_copied field of the hash
1792 table entry. A similar situation occurs when creating
1793 shared libraries and symbol visibility changes render the
1796 If on the other hand, we are creating an executable, we
1797 may need to keep relocations for symbols satisfied by a
1798 dynamic library if we manage to avoid copy relocs for the
1800 if ((bfd_link_pic (info
)
1801 && (sec
->flags
& SEC_ALLOC
) != 0
1802 && (! _bfd_sparc_elf_howto_table
[r_type
].pc_relative
1804 && (! SYMBOLIC_BIND (info
, h
)
1805 || h
->root
.type
== bfd_link_hash_defweak
1806 || !h
->def_regular
))))
1807 || (!bfd_link_pic (info
)
1808 && (sec
->flags
& SEC_ALLOC
) != 0
1810 && (h
->root
.type
== bfd_link_hash_defweak
1811 || !h
->def_regular
))
1812 || (!bfd_link_pic (info
)
1814 && h
->type
== STT_GNU_IFUNC
))
1816 struct _bfd_sparc_elf_dyn_relocs
*p
;
1817 struct _bfd_sparc_elf_dyn_relocs
**head
;
1819 /* When creating a shared object, we must copy these
1820 relocs into the output file. We create a reloc
1821 section in dynobj and make room for the reloc. */
1824 sreloc
= _bfd_elf_make_dynamic_reloc_section
1825 (sec
, htab
->elf
.dynobj
, htab
->word_align_power
,
1826 abfd
, /*rela?*/ TRUE
);
1832 /* If this is a global symbol, we count the number of
1833 relocations we need for this symbol. */
1835 head
= &((struct _bfd_sparc_elf_link_hash_entry
*) h
)->dyn_relocs
;
1838 /* Track dynamic relocs needed for local syms too.
1839 We really need local syms available to do this
1844 BFD_ASSERT (isym
!= NULL
);
1845 s
= bfd_section_from_elf_index (abfd
, isym
->st_shndx
);
1849 vpp
= &elf_section_data (s
)->local_dynrel
;
1850 head
= (struct _bfd_sparc_elf_dyn_relocs
**) vpp
;
1854 if (p
== NULL
|| p
->sec
!= sec
)
1856 bfd_size_type amt
= sizeof *p
;
1857 p
= ((struct _bfd_sparc_elf_dyn_relocs
*)
1858 bfd_alloc (htab
->elf
.dynobj
, amt
));
1869 if (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
)
1875 case R_SPARC_GNU_VTINHERIT
:
1876 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
1880 case R_SPARC_GNU_VTENTRY
:
1881 BFD_ASSERT (h
!= NULL
);
1883 && !bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
1887 case R_SPARC_REGISTER
:
1888 /* Nothing to do. */
1900 _bfd_sparc_elf_gc_mark_hook (asection
*sec
,
1901 struct bfd_link_info
*info
,
1902 Elf_Internal_Rela
*rel
,
1903 struct elf_link_hash_entry
*h
,
1904 Elf_Internal_Sym
*sym
)
1907 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1909 case R_SPARC_GNU_VTINHERIT
:
1910 case R_SPARC_GNU_VTENTRY
:
1914 /* FIXME: The test here, in check_relocs and in relocate_section
1915 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
1916 if (bfd_link_pic (info
))
1918 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1920 case R_SPARC_TLS_GD_CALL
:
1921 case R_SPARC_TLS_LDM_CALL
:
1922 /* This reloc implicitly references __tls_get_addr. We know
1923 another reloc will reference the same symbol as the one
1924 on this reloc, so the real symbol and section will be
1925 gc marked when processing the other reloc. That lets
1926 us handle __tls_get_addr here. */
1927 h
= elf_link_hash_lookup (elf_hash_table (info
), "__tls_get_addr",
1928 FALSE
, FALSE
, TRUE
);
1929 BFD_ASSERT (h
!= NULL
);
1931 if (h
->is_weakalias
)
1932 weakdef (h
)->mark
= 1;
1937 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
1940 static Elf_Internal_Rela
*
1941 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela
*rel
,
1942 Elf_Internal_Rela
*relend
,
1945 while (rel
< relend
)
1947 if (rel
->r_offset
== offset
)
1954 /* Remove undefined weak symbol from the dynamic symbol table if it
1955 is resolved to 0. */
1958 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info
*info
,
1959 struct elf_link_hash_entry
*h
)
1961 if (h
->dynindx
!= -1
1962 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
,
1963 _bfd_sparc_elf_hash_entry (h
)))
1966 _bfd_elf_strtab_delref (elf_hash_table (info
)->dynstr
,
1972 /* Find dynamic relocs for H that apply to read-only sections. */
1975 readonly_dynrelocs (struct elf_link_hash_entry
*h
)
1977 struct _bfd_sparc_elf_dyn_relocs
*p
;
1979 for (p
= _bfd_sparc_elf_hash_entry (h
)->dyn_relocs
; p
!= NULL
; p
= p
->next
)
1981 asection
*s
= p
->sec
->output_section
;
1983 if (s
!= NULL
&& (s
->flags
& SEC_READONLY
) != 0)
1989 /* Adjust a symbol defined by a dynamic object and referenced by a
1990 regular object. The current definition is in some section of the
1991 dynamic object, but we're not including those sections. We have to
1992 change the definition to something the rest of the link can
1996 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info
*info
,
1997 struct elf_link_hash_entry
*h
)
1999 struct _bfd_sparc_elf_link_hash_table
*htab
;
2000 struct _bfd_sparc_elf_link_hash_entry
* eh
;
2001 struct _bfd_sparc_elf_dyn_relocs
*p
;
2004 htab
= _bfd_sparc_elf_hash_table (info
);
2005 BFD_ASSERT (htab
!= NULL
);
2007 /* Make sure we know what is going on here. */
2008 BFD_ASSERT (htab
->elf
.dynobj
!= NULL
2010 || h
->type
== STT_GNU_IFUNC
2014 && !h
->def_regular
)));
2016 /* If this is a function, put it in the procedure linkage table. We
2017 will fill in the contents of the procedure linkage table later
2018 (although we could actually do it here). The STT_NOTYPE
2019 condition is a hack specifically for the Oracle libraries
2020 delivered for Solaris; for some inexplicable reason, they define
2021 some of their functions as STT_NOTYPE when they really should be
2023 if (h
->type
== STT_FUNC
2024 || h
->type
== STT_GNU_IFUNC
2026 || (h
->type
== STT_NOTYPE
2027 && (h
->root
.type
== bfd_link_hash_defined
2028 || h
->root
.type
== bfd_link_hash_defweak
)
2029 && (h
->root
.u
.def
.section
->flags
& SEC_CODE
) != 0))
2031 if (h
->plt
.refcount
<= 0
2032 || (h
->type
!= STT_GNU_IFUNC
2033 && (SYMBOL_CALLS_LOCAL (info
, h
)
2034 || (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2035 && h
->root
.type
== bfd_link_hash_undefweak
))))
2037 /* This case can occur if we saw a WPLT30 reloc in an input
2038 file, but the symbol was never referred to by a dynamic
2039 object, or if all references were garbage collected. In
2040 such a case, we don't actually need to build a procedure
2041 linkage table, and we can just do a WDISP30 reloc instead. */
2042 h
->plt
.offset
= (bfd_vma
) -1;
2049 h
->plt
.offset
= (bfd_vma
) -1;
2051 /* If this is a weak symbol, and there is a real definition, the
2052 processor independent code will have arranged for us to see the
2053 real definition first, and we can just use the same value. */
2054 if (h
->is_weakalias
)
2056 struct elf_link_hash_entry
*def
= weakdef (h
);
2057 BFD_ASSERT (def
->root
.type
== bfd_link_hash_defined
);
2058 h
->root
.u
.def
.section
= def
->root
.u
.def
.section
;
2059 h
->root
.u
.def
.value
= def
->root
.u
.def
.value
;
2063 /* This is a reference to a symbol defined by a dynamic object which
2064 is not a function. */
2066 /* If we are creating a shared library, we must presume that the
2067 only references to the symbol are via the global offset table.
2068 For such cases we need not do anything here; the relocations will
2069 be handled correctly by relocate_section. */
2070 if (bfd_link_pic (info
))
2073 /* If there are no references to this symbol that do not use the
2074 GOT, we don't need to generate a copy reloc. */
2075 if (!h
->non_got_ref
)
2078 /* If -z nocopyreloc was given, we won't generate them either. */
2079 if (info
->nocopyreloc
)
2085 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2086 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2088 s
= p
->sec
->output_section
;
2089 if (s
!= NULL
&& (s
->flags
& SEC_READONLY
) != 0)
2093 /* If we didn't find any dynamic relocs in read-only sections, then
2094 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2101 /* We must allocate the symbol in our .dynbss section, which will
2102 become part of the .bss section of the executable. There will be
2103 an entry for this symbol in the .dynsym section. The dynamic
2104 object will contain position independent code, so all references
2105 from the dynamic object to this symbol will go through the global
2106 offset table. The dynamic linker will use the .dynsym entry to
2107 determine the address it must put in the global offset table, so
2108 both the dynamic object and the regular object will refer to the
2109 same memory location for the variable. */
2111 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2112 to copy the initial value out of the dynamic object and into the
2113 runtime process image. We need to remember the offset into the
2114 .rel.bss section we are going to use. */
2115 if ((h
->root
.u
.def
.section
->flags
& SEC_READONLY
) != 0)
2117 s
= htab
->elf
.sdynrelro
;
2118 srel
= htab
->elf
.sreldynrelro
;
2122 s
= htab
->elf
.sdynbss
;
2123 srel
= htab
->elf
.srelbss
;
2125 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0 && h
->size
!= 0)
2127 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2131 return _bfd_elf_adjust_dynamic_copy (info
, h
, s
);
2134 /* Allocate space in .plt, .got and associated reloc sections for
2138 allocate_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2140 struct bfd_link_info
*info
;
2141 struct _bfd_sparc_elf_link_hash_table
*htab
;
2142 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2143 struct _bfd_sparc_elf_dyn_relocs
*p
;
2144 bfd_boolean resolved_to_zero
;
2146 if (h
->root
.type
== bfd_link_hash_indirect
)
2149 info
= (struct bfd_link_info
*) inf
;
2150 htab
= _bfd_sparc_elf_hash_table (info
);
2151 BFD_ASSERT (htab
!= NULL
);
2153 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2154 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
2156 if ((htab
->elf
.dynamic_sections_created
2157 && h
->plt
.refcount
> 0)
2158 || (h
->type
== STT_GNU_IFUNC
2162 /* Make sure this symbol is output as a dynamic symbol.
2163 Undefined weak syms won't yet be marked as dynamic. */
2164 if (h
->dynindx
== -1
2166 && !resolved_to_zero
2167 && h
->root
.type
== bfd_link_hash_undefweak
)
2169 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2173 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info
), h
)
2174 || (h
->type
== STT_GNU_IFUNC
2177 asection
*s
= htab
->elf
.splt
;
2182 /* Allocate room for the header. */
2185 s
->size
= htab
->plt_header_size
;
2187 /* Allocate space for the .rela.plt.unloaded relocations. */
2188 if (htab
->is_vxworks
&& !bfd_link_pic (info
))
2189 htab
->srelplt2
->size
= sizeof (Elf32_External_Rela
) * 2;
2192 /* The procedure linkage table size is bounded by the magnitude
2193 of the offset we can describe in the entry. */
2194 if (s
->size
>= (SPARC_ELF_WORD_BYTES(htab
) == 8 ?
2195 (((bfd_vma
)1 << 31) << 1) : 0x400000))
2197 bfd_set_error (bfd_error_bad_value
);
2201 if (SPARC_ELF_WORD_BYTES(htab
) == 8
2202 && s
->size
>= PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
2204 bfd_vma off
= s
->size
- PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
;
2207 off
= (off
% (160 * PLT64_ENTRY_SIZE
)) / PLT64_ENTRY_SIZE
;
2209 h
->plt
.offset
= (s
->size
- (off
* 8));
2212 h
->plt
.offset
= s
->size
;
2214 /* If this symbol is not defined in a regular file, and we are
2215 not generating a shared library, then set the symbol to this
2216 location in the .plt. This is required to make function
2217 pointers compare as equal between the normal executable and
2218 the shared library. */
2219 if (! bfd_link_pic (info
)
2222 h
->root
.u
.def
.section
= s
;
2223 h
->root
.u
.def
.value
= h
->plt
.offset
;
2226 /* Make room for this entry. */
2227 s
->size
+= htab
->plt_entry_size
;
2229 /* There should be no PLT relocations against resolved undefined
2230 weak symbols in the executable. */
2231 if (!resolved_to_zero
)
2233 /* We also need to make an entry in the .rela.plt section. */
2234 if (s
== htab
->elf
.splt
)
2235 htab
->elf
.srelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2237 htab
->elf
.irelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2240 if (htab
->is_vxworks
)
2242 /* Allocate space for the .got.plt entry. */
2243 htab
->elf
.sgotplt
->size
+= 4;
2245 /* ...and for the .rela.plt.unloaded relocations. */
2246 if (!bfd_link_pic (info
))
2247 htab
->srelplt2
->size
+= sizeof (Elf32_External_Rela
) * 3;
2252 h
->plt
.offset
= (bfd_vma
) -1;
2258 h
->plt
.offset
= (bfd_vma
) -1;
2262 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2263 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2264 if (h
->got
.refcount
> 0
2265 && bfd_link_executable (info
)
2267 && _bfd_sparc_elf_hash_entry(h
)->tls_type
== GOT_TLS_IE
)
2268 h
->got
.offset
= (bfd_vma
) -1;
2269 else if (h
->got
.refcount
> 0)
2273 int tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
2275 /* Make sure this symbol is output as a dynamic symbol.
2276 Undefined weak syms won't yet be marked as dynamic. */
2277 if (h
->dynindx
== -1
2279 && !resolved_to_zero
2280 && h
->root
.type
== bfd_link_hash_undefweak
)
2282 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2287 h
->got
.offset
= s
->size
;
2288 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2289 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2290 if (tls_type
== GOT_TLS_GD
)
2291 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2292 dyn
= htab
->elf
.dynamic_sections_created
;
2293 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2294 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2295 global. No dynamic relocations are needed against resolved
2296 undefined weak symbols in an executable. */
2297 if ((tls_type
== GOT_TLS_GD
&& h
->dynindx
== -1)
2298 || tls_type
== GOT_TLS_IE
2299 || h
->type
== STT_GNU_IFUNC
)
2300 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2301 else if (tls_type
== GOT_TLS_GD
)
2302 htab
->elf
.srelgot
->size
+= 2 * SPARC_ELF_RELA_BYTES (htab
);
2303 else if (((ELF_ST_VISIBILITY (h
->other
) == STV_DEFAULT
2304 && !resolved_to_zero
)
2305 || h
->root
.type
!= bfd_link_hash_undefweak
)
2306 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
2307 bfd_link_pic (info
),
2309 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2312 h
->got
.offset
= (bfd_vma
) -1;
2314 if (eh
->dyn_relocs
== NULL
)
2317 /* In the shared -Bsymbolic case, discard space allocated for
2318 dynamic pc-relative relocs against symbols which turn out to be
2319 defined in regular objects. For the normal shared case, discard
2320 space for pc-relative relocs that have become local due to symbol
2321 visibility changes. */
2323 if (bfd_link_pic (info
))
2325 if (SYMBOL_CALLS_LOCAL (info
, h
))
2327 struct _bfd_sparc_elf_dyn_relocs
**pp
;
2329 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2331 p
->count
-= p
->pc_count
;
2340 if (htab
->is_vxworks
)
2342 struct _bfd_sparc_elf_dyn_relocs
**pp
;
2344 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2346 if (strcmp (p
->sec
->output_section
->name
, ".tls_vars") == 0)
2353 /* Also discard relocs on undefined weak syms with non-default
2354 visibility or in PIE. */
2355 if (eh
->dyn_relocs
!= NULL
2356 && h
->root
.type
== bfd_link_hash_undefweak
)
2358 /* An undefined weak symbol is never
2359 bound locally in a shared library. */
2361 if (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2362 || resolved_to_zero
)
2366 /* Keep dynamic non-GOT/non-PLT relocation so that we
2367 can branch to 0 without PLT. */
2368 struct _bfd_sparc_elf_dyn_relocs
**pp
;
2370 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
;)
2371 if (p
->pc_count
== 0)
2375 /* Remove other relocations. */
2376 p
->count
= p
->pc_count
;
2380 if (eh
->dyn_relocs
!= NULL
)
2382 /* Make sure undefined weak symbols are output
2383 as dynamic symbols in PIEs for dynamic non-GOT
2384 non-PLT reloations. */
2385 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2390 eh
->dyn_relocs
= NULL
;
2393 /* Make sure undefined weak symbols are output as a dynamic
2395 else if (h
->dynindx
== -1
2396 && !h
->forced_local
)
2398 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2405 /* For the non-shared case, discard space for relocs against
2406 symbols which turn out to need copy relocs or are not
2409 if ((!h
->non_got_ref
2410 || (h
->root
.type
== bfd_link_hash_undefweak
2411 && !resolved_to_zero
))
2414 || (htab
->elf
.dynamic_sections_created
2415 && (h
->root
.type
== bfd_link_hash_undefweak
2416 || h
->root
.type
== bfd_link_hash_undefined
))))
2418 /* Make sure this symbol is output as a dynamic symbol.
2419 Undefined weak syms won't yet be marked as dynamic. */
2420 if (h
->dynindx
== -1
2422 && !resolved_to_zero
2423 && h
->root
.type
== bfd_link_hash_undefweak
)
2425 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2429 /* If that succeeded, we know we'll be keeping all the
2431 if (h
->dynindx
!= -1)
2435 eh
->dyn_relocs
= NULL
;
2440 /* Finally, allocate space. */
2441 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2443 asection
*sreloc
= elf_section_data (p
->sec
)->sreloc
;
2444 sreloc
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2450 /* Allocate space in .plt, .got and associated reloc sections for
2451 local dynamic relocs. */
2454 allocate_local_dynrelocs (void **slot
, void *inf
)
2456 struct elf_link_hash_entry
*h
2457 = (struct elf_link_hash_entry
*) *slot
;
2459 if (h
->type
!= STT_GNU_IFUNC
2463 || h
->root
.type
!= bfd_link_hash_defined
)
2466 return allocate_dynrelocs (h
, inf
);
2469 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2470 read-only sections. */
2473 maybe_set_textrel (struct elf_link_hash_entry
*h
, void *info_p
)
2477 if (h
->root
.type
== bfd_link_hash_indirect
)
2480 sec
= readonly_dynrelocs (h
);
2483 struct bfd_link_info
*info
= (struct bfd_link_info
*) info_p
;
2485 info
->flags
|= DF_TEXTREL
;
2486 info
->callbacks
->minfo
2487 (_("%B: dynamic relocation against `%T' in read-only section `%A'\n"),
2488 sec
->owner
, h
->root
.root
.string
, sec
);
2490 /* Not an error, just cut short the traversal. */
2496 /* Return true if the dynamic symbol for a given section should be
2497 omitted when creating a shared library. */
2500 _bfd_sparc_elf_omit_section_dynsym (bfd
*output_bfd
,
2501 struct bfd_link_info
*info
,
2504 /* We keep the .got section symbol so that explicit relocations
2505 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2506 can be turned into relocations against the .got symbol. */
2507 if (strcmp (p
->name
, ".got") == 0)
2510 return _bfd_elf_link_omit_section_dynsym (output_bfd
, info
, p
);
2513 /* Set the sizes of the dynamic sections. */
2516 _bfd_sparc_elf_size_dynamic_sections (bfd
*output_bfd
,
2517 struct bfd_link_info
*info
)
2519 struct _bfd_sparc_elf_link_hash_table
*htab
;
2524 htab
= _bfd_sparc_elf_hash_table (info
);
2525 BFD_ASSERT (htab
!= NULL
);
2526 dynobj
= htab
->elf
.dynobj
;
2527 BFD_ASSERT (dynobj
!= NULL
);
2529 if (elf_hash_table (info
)->dynamic_sections_created
)
2531 /* Set the contents of the .interp section to the interpreter. */
2532 if (bfd_link_executable (info
) && !info
->nointerp
)
2534 s
= bfd_get_linker_section (dynobj
, ".interp");
2535 BFD_ASSERT (s
!= NULL
);
2536 s
->size
= htab
->dynamic_interpreter_size
;
2537 s
->contents
= (unsigned char *) htab
->dynamic_interpreter
;
2542 /* Set up .got offsets for local syms, and space for local dynamic
2544 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2546 bfd_signed_vma
*local_got
;
2547 bfd_signed_vma
*end_local_got
;
2548 char *local_tls_type
;
2549 bfd_size_type locsymcount
;
2550 Elf_Internal_Shdr
*symtab_hdr
;
2553 if (! is_sparc_elf (ibfd
))
2556 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2558 struct _bfd_sparc_elf_dyn_relocs
*p
;
2560 for (p
= elf_section_data (s
)->local_dynrel
; p
!= NULL
; p
= p
->next
)
2562 if (!bfd_is_abs_section (p
->sec
)
2563 && bfd_is_abs_section (p
->sec
->output_section
))
2565 /* Input section has been discarded, either because
2566 it is a copy of a linkonce section or due to
2567 linker script /DISCARD/, so we'll be discarding
2570 else if (htab
->is_vxworks
2571 && strcmp (p
->sec
->output_section
->name
,
2574 /* Relocations in vxworks .tls_vars sections are
2575 handled specially by the loader. */
2577 else if (p
->count
!= 0)
2579 srel
= elf_section_data (p
->sec
)->sreloc
;
2580 if (!htab
->elf
.dynamic_sections_created
)
2581 srel
= htab
->elf
.irelplt
;
2582 srel
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2583 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2585 info
->flags
|= DF_TEXTREL
;
2586 info
->callbacks
->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
2587 p
->sec
->owner
, p
->sec
);
2593 local_got
= elf_local_got_refcounts (ibfd
);
2597 symtab_hdr
= &elf_symtab_hdr (ibfd
);
2598 locsymcount
= symtab_hdr
->sh_info
;
2599 end_local_got
= local_got
+ locsymcount
;
2600 local_tls_type
= _bfd_sparc_elf_local_got_tls_type (ibfd
);
2602 srel
= htab
->elf
.srelgot
;
2603 for (; local_got
< end_local_got
; ++local_got
, ++local_tls_type
)
2607 *local_got
= s
->size
;
2608 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2609 if (*local_tls_type
== GOT_TLS_GD
)
2610 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2611 if (bfd_link_pic (info
)
2612 || *local_tls_type
== GOT_TLS_GD
2613 || *local_tls_type
== GOT_TLS_IE
)
2614 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2617 *local_got
= (bfd_vma
) -1;
2621 if (htab
->tls_ldm_got
.refcount
> 0)
2623 /* Allocate 2 got entries and 1 dynamic reloc for
2624 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2625 htab
->tls_ldm_got
.offset
= htab
->elf
.sgot
->size
;
2626 htab
->elf
.sgot
->size
+= (2 * SPARC_ELF_WORD_BYTES (htab
));
2627 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2630 htab
->tls_ldm_got
.offset
= -1;
2632 /* Allocate global sym .plt and .got entries, and space for global
2633 sym dynamic relocs. */
2634 elf_link_hash_traverse (&htab
->elf
, allocate_dynrelocs
, info
);
2636 /* Allocate .plt and .got entries, and space for local symbols. */
2637 htab_traverse (htab
->loc_hash_table
, allocate_local_dynrelocs
, info
);
2639 if (! ABI_64_P (output_bfd
)
2640 && !htab
->is_vxworks
2641 && elf_hash_table (info
)->dynamic_sections_created
)
2643 /* Make space for the trailing nop in .plt. */
2644 if (htab
->elf
.splt
->size
> 0)
2645 htab
->elf
.splt
->size
+= 1 * SPARC_INSN_BYTES
;
2647 /* If the .got section is more than 0x1000 bytes, we add
2648 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2649 bit relocations have a greater chance of working.
2651 FIXME: Make this optimization work for 64-bit too. */
2652 if (htab
->elf
.sgot
->size
>= 0x1000
2653 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
2654 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
2657 /* The check_relocs and adjust_dynamic_symbol entry points have
2658 determined the sizes of the various dynamic sections. Allocate
2660 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2662 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2665 if (s
== htab
->elf
.splt
2666 || s
== htab
->elf
.sgot
2667 || s
== htab
->elf
.sdynbss
2668 || s
== htab
->elf
.sdynrelro
2669 || s
== htab
->elf
.iplt
2670 || s
== htab
->elf
.sgotplt
)
2672 /* Strip this section if we don't need it; see the
2675 else if (CONST_STRNEQ (s
->name
, ".rela"))
2679 /* We use the reloc_count field as a counter if we need
2680 to copy relocs into the output file. */
2686 /* It's not one of our sections. */
2692 /* If we don't need this section, strip it from the
2693 output file. This is mostly to handle .rela.bss and
2694 .rela.plt. We must create both sections in
2695 create_dynamic_sections, because they must be created
2696 before the linker maps input sections to output
2697 sections. The linker does that before
2698 adjust_dynamic_symbol is called, and it is that
2699 function which decides whether anything needs to go
2700 into these sections. */
2701 s
->flags
|= SEC_EXCLUDE
;
2705 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2708 /* Allocate memory for the section contents. Zero the memory
2709 for the benefit of .rela.plt, which has 4 unused entries
2710 at the beginning, and we don't want garbage. */
2711 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
2712 if (s
->contents
== NULL
)
2716 if (elf_hash_table (info
)->dynamic_sections_created
)
2718 /* Add some entries to the .dynamic section. We fill in the
2719 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2720 must add the entries now so that we get the correct size for
2721 the .dynamic section. The DT_DEBUG entry is filled in by the
2722 dynamic linker and used by the debugger. */
2723 #define add_dynamic_entry(TAG, VAL) \
2724 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2726 if (bfd_link_executable (info
))
2728 if (!add_dynamic_entry (DT_DEBUG
, 0))
2732 if (htab
->elf
.srelplt
->size
!= 0)
2734 if (!add_dynamic_entry (DT_PLTGOT
, 0)
2735 || !add_dynamic_entry (DT_PLTRELSZ
, 0)
2736 || !add_dynamic_entry (DT_PLTREL
, DT_RELA
)
2737 || !add_dynamic_entry (DT_JMPREL
, 0))
2741 if (!add_dynamic_entry (DT_RELA
, 0)
2742 || !add_dynamic_entry (DT_RELASZ
, 0)
2743 || !add_dynamic_entry (DT_RELAENT
,
2744 SPARC_ELF_RELA_BYTES (htab
)))
2747 /* If any dynamic relocs apply to a read-only section,
2748 then we need a DT_TEXTREL entry. */
2749 if ((info
->flags
& DF_TEXTREL
) == 0)
2750 elf_link_hash_traverse (&htab
->elf
, maybe_set_textrel
, info
);
2752 if (info
->flags
& DF_TEXTREL
)
2754 if (!add_dynamic_entry (DT_TEXTREL
, 0))
2758 if (ABI_64_P (output_bfd
))
2761 struct _bfd_sparc_elf_app_reg
* app_regs
;
2762 struct elf_strtab_hash
*dynstr
;
2763 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
2765 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2766 entries if needed. */
2767 app_regs
= _bfd_sparc_elf_hash_table (info
)->app_regs
;
2768 dynstr
= eht
->dynstr
;
2770 for (reg
= 0; reg
< 4; reg
++)
2771 if (app_regs
[reg
].name
!= NULL
)
2773 struct elf_link_local_dynamic_entry
*entry
, *e
;
2775 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
2778 entry
= (struct elf_link_local_dynamic_entry
*)
2779 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
2783 /* We cheat here a little bit: the symbol will not be local, so we
2784 put it at the end of the dynlocal linked list. We will fix it
2785 later on, as we have to fix other fields anyway. */
2786 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
2787 entry
->isym
.st_size
= 0;
2788 if (*app_regs
[reg
].name
!= '\0')
2790 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
2792 entry
->isym
.st_name
= 0;
2793 entry
->isym
.st_other
= 0;
2794 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
2796 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
2797 entry
->isym
.st_target_internal
= 0;
2799 entry
->input_bfd
= output_bfd
;
2800 entry
->input_indx
= -1;
2802 if (eht
->dynlocal
== NULL
)
2803 eht
->dynlocal
= entry
;
2806 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
2813 if (htab
->is_vxworks
2814 && !elf_vxworks_add_dynamic_entries (output_bfd
, info
))
2817 #undef add_dynamic_entry
2823 _bfd_sparc_elf_new_section_hook (bfd
*abfd
, asection
*sec
)
2825 if (!sec
->used_by_bfd
)
2827 struct _bfd_sparc_elf_section_data
*sdata
;
2828 bfd_size_type amt
= sizeof (*sdata
);
2830 sdata
= bfd_zalloc (abfd
, amt
);
2833 sec
->used_by_bfd
= sdata
;
2836 return _bfd_elf_new_section_hook (abfd
, sec
);
2840 _bfd_sparc_elf_relax_section (bfd
*abfd ATTRIBUTE_UNUSED
,
2841 struct bfd_section
*section
,
2842 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
,
2845 if (bfd_link_relocatable (link_info
))
2846 (*link_info
->callbacks
->einfo
)
2847 (_("%P%F: --relax and -r may not be used together\n"));
2850 sec_do_relax (section
) = 1;
2854 /* Return the base VMA address which should be subtracted from real addresses
2855 when resolving @dtpoff relocation.
2856 This is PT_TLS segment p_vaddr. */
2859 dtpoff_base (struct bfd_link_info
*info
)
2861 /* If tls_sec is NULL, we should have signalled an error already. */
2862 if (elf_hash_table (info
)->tls_sec
== NULL
)
2864 return elf_hash_table (info
)->tls_sec
->vma
;
2867 /* Return the relocation value for @tpoff relocation
2868 if STT_TLS virtual address is ADDRESS. */
2871 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
2873 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2874 const struct elf_backend_data
*bed
= get_elf_backend_data (info
->output_bfd
);
2875 bfd_vma static_tls_size
;
2877 /* If tls_sec is NULL, we should have signalled an error already. */
2878 if (htab
->tls_sec
== NULL
)
2881 /* Consider special static TLS alignment requirements. */
2882 static_tls_size
= BFD_ALIGN (htab
->tls_size
, bed
->static_tls_alignment
);
2883 return address
- static_tls_size
- htab
->tls_sec
->vma
;
2886 /* Return the relocation value for a %gdop relocation. */
2889 gdopoff (struct bfd_link_info
*info
, bfd_vma address
)
2891 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2894 got_base
= (htab
->hgot
->root
.u
.def
.value
2895 + htab
->hgot
->root
.u
.def
.section
->output_offset
2896 + htab
->hgot
->root
.u
.def
.section
->output_section
->vma
);
2898 return address
- got_base
;
2901 /* Return whether H is local and its ADDRESS is within 4G of
2902 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2903 sethi, xor sequence. */
2906 gdop_relative_offset_ok (struct bfd_link_info
*info
,
2907 struct elf_link_hash_entry
*h
,
2908 bfd_vma address ATTRIBUTE_UNUSED
)
2910 if (!SYMBOL_REFERENCES_LOCAL (info
, h
))
2912 /* If H is undefined, ADDRESS will be zero. We can't allow a
2913 relative offset to "zero" when producing PIEs or shared libs.
2914 Note that to get here with an undefined symbol it must also be
2915 hidden or internal visibility. */
2916 if (bfd_link_pic (info
)
2918 && (h
->root
.type
== bfd_link_hash_undefweak
2919 || h
->root
.type
== bfd_link_hash_undefined
))
2922 return gdopoff (info
, address
) + ((bfd_vma
) 1 << 32) < (bfd_vma
) 2 << 32;
2928 /* Relocate a SPARC ELF section. */
2931 _bfd_sparc_elf_relocate_section (bfd
*output_bfd
,
2932 struct bfd_link_info
*info
,
2934 asection
*input_section
,
2936 Elf_Internal_Rela
*relocs
,
2937 Elf_Internal_Sym
*local_syms
,
2938 asection
**local_sections
)
2940 struct _bfd_sparc_elf_link_hash_table
*htab
;
2941 Elf_Internal_Shdr
*symtab_hdr
;
2942 struct elf_link_hash_entry
**sym_hashes
;
2943 bfd_vma
*local_got_offsets
;
2946 Elf_Internal_Rela
*rel
;
2947 Elf_Internal_Rela
*relend
;
2949 bfd_boolean is_vxworks_tls
;
2951 htab
= _bfd_sparc_elf_hash_table (info
);
2952 BFD_ASSERT (htab
!= NULL
);
2953 symtab_hdr
= &elf_symtab_hdr (input_bfd
);
2954 sym_hashes
= elf_sym_hashes (input_bfd
);
2955 local_got_offsets
= elf_local_got_offsets (input_bfd
);
2957 if (elf_hash_table (info
)->hgot
== NULL
)
2960 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
2962 sreloc
= elf_section_data (input_section
)->sreloc
;
2963 /* We have to handle relocations in vxworks .tls_vars sections
2964 specially, because the dynamic loader is 'weird'. */
2965 is_vxworks_tls
= (htab
->is_vxworks
&& bfd_link_pic (info
)
2966 && !strcmp (input_section
->output_section
->name
,
2970 if (ABI_64_P (output_bfd
))
2971 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section
));
2973 num_relocs
= input_section
->reloc_count
;
2974 relend
= relocs
+ num_relocs
;
2975 for (; rel
< relend
; rel
++)
2977 int r_type
, tls_type
;
2978 reloc_howto_type
*howto
;
2979 unsigned long r_symndx
;
2980 struct elf_link_hash_entry
*h
;
2981 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2982 Elf_Internal_Sym
*sym
;
2984 bfd_vma relocation
, off
;
2985 bfd_reloc_status_type r
;
2986 bfd_boolean is_plt
= FALSE
;
2987 bfd_boolean unresolved_reloc
;
2988 bfd_boolean resolved_to_zero
;
2989 bfd_boolean relative_reloc
;
2991 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
2992 if (r_type
== R_SPARC_GNU_VTINHERIT
2993 || r_type
== R_SPARC_GNU_VTENTRY
)
2996 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
2998 bfd_set_error (bfd_error_bad_value
);
3001 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3003 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
3007 unresolved_reloc
= FALSE
;
3008 if (r_symndx
< symtab_hdr
->sh_info
)
3010 sym
= local_syms
+ r_symndx
;
3011 sec
= local_sections
[r_symndx
];
3012 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
3014 if (!bfd_link_relocatable (info
)
3015 && ELF_ST_TYPE (sym
->st_info
) == STT_GNU_IFUNC
)
3017 /* Relocate against local STT_GNU_IFUNC symbol. */
3018 h
= elf_sparc_get_local_sym_hash (htab
, input_bfd
,
3023 /* Set STT_GNU_IFUNC symbol value. */
3024 h
->root
.u
.def
.value
= sym
->st_value
;
3025 h
->root
.u
.def
.section
= sec
;
3030 bfd_boolean warned
, ignored
;
3032 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
3033 r_symndx
, symtab_hdr
, sym_hashes
,
3035 unresolved_reloc
, warned
, ignored
);
3038 /* To avoid generating warning messages about truncated
3039 relocations, set the relocation's address to be the same as
3040 the start of this section. */
3041 if (input_section
->output_section
!= NULL
)
3042 relocation
= input_section
->output_section
->vma
;
3048 if (sec
!= NULL
&& discarded_section (sec
))
3049 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
3050 rel
, 1, relend
, howto
, 0, contents
);
3052 if (bfd_link_relocatable (info
))
3056 && h
->type
== STT_GNU_IFUNC
3062 if ((input_section
->flags
& SEC_ALLOC
) == 0
3063 || h
->plt
.offset
== (bfd_vma
) -1)
3066 plt_sec
= htab
->elf
.splt
;
3068 plt_sec
=htab
->elf
.iplt
;
3072 case R_SPARC_GOTDATA_OP
:
3075 case R_SPARC_GOTDATA_OP_HIX22
:
3076 case R_SPARC_GOTDATA_OP_LOX10
:
3077 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3080 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3086 if (htab
->elf
.sgot
== NULL
)
3088 off
= h
->got
.offset
;
3089 if (off
== (bfd_vma
) -1)
3091 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3094 case R_SPARC_WPLT30
:
3095 case R_SPARC_WDISP30
:
3096 relocation
= (plt_sec
->output_section
->vma
3097 + plt_sec
->output_offset
+ h
->plt
.offset
);
3102 if (bfd_link_pic (info
) && h
->non_got_ref
)
3104 Elf_Internal_Rela outrel
;
3107 offset
= _bfd_elf_section_offset (output_bfd
, info
,
3110 if (offset
== (bfd_vma
) -1
3111 || offset
== (bfd_vma
) -2)
3114 outrel
.r_offset
= (input_section
->output_section
->vma
3115 + input_section
->output_offset
3118 if (h
->dynindx
== -1
3120 || bfd_link_executable (info
))
3122 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3123 0, R_SPARC_IRELATIVE
);
3124 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3128 if (h
->dynindx
== -1)
3130 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3131 outrel
.r_addend
= rel
->r_addend
;
3134 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3138 relocation
= (plt_sec
->output_section
->vma
3139 + plt_sec
->output_offset
+ h
->plt
.offset
);
3144 /* We should only see such relocs in static links. */
3145 if (bfd_link_pic (info
))
3147 relocation
= (plt_sec
->output_section
->vma
3148 + plt_sec
->output_offset
+ h
->plt
.offset
);
3152 if (h
->root
.root
.string
)
3153 name
= h
->root
.root
.string
;
3155 name
= bfd_elf_sym_name (input_bfd
, symtab_hdr
, sym
,
3158 /* xgettext:c-format */
3159 (_("%B: relocation %s against STT_GNU_IFUNC "
3160 "symbol `%s' isn't handled by %s"), input_bfd
,
3161 _bfd_sparc_elf_howto_table
[r_type
].name
,
3162 name
, __FUNCTION__
);
3163 bfd_set_error (bfd_error_bad_value
);
3168 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
3169 resolved_to_zero
= (eh
!= NULL
3170 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
));
3174 case R_SPARC_GOTDATA_OP_HIX22
:
3175 case R_SPARC_GOTDATA_OP_LOX10
:
3176 if (gdop_relative_offset_ok (info
, h
, relocation
))
3178 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3179 ? R_SPARC_GOTDATA_HIX22
3180 : R_SPARC_GOTDATA_LOX10
);
3181 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3185 case R_SPARC_GOTDATA_OP
:
3186 if (gdop_relative_offset_ok (info
, h
, relocation
))
3188 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3190 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3191 relocation
= 0x80000000 | (insn
& 0x3e07c01f);
3192 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3199 case R_SPARC_GOTDATA_HIX22
:
3200 case R_SPARC_GOTDATA_LOX10
:
3201 relocation
= gdopoff (info
, relocation
);
3204 case R_SPARC_GOTDATA_OP_HIX22
:
3205 case R_SPARC_GOTDATA_OP_LOX10
:
3209 /* Relocation is to the entry for this symbol in the global
3211 if (htab
->elf
.sgot
== NULL
)
3214 relative_reloc
= FALSE
;
3219 off
= h
->got
.offset
;
3220 BFD_ASSERT (off
!= (bfd_vma
) -1);
3221 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
3223 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
3224 bfd_link_pic (info
),
3226 || (bfd_link_pic (info
)
3227 && SYMBOL_REFERENCES_LOCAL (info
, h
)))
3229 /* This is actually a static link, or it is a
3230 -Bsymbolic link and the symbol is defined
3231 locally, or the symbol was forced to be local
3232 because of a version file. We must initialize
3233 this entry in the global offset table. Since the
3234 offset must always be a multiple of 8 for 64-bit
3235 and 4 for 32-bit, we use the least significant bit
3236 to record whether we have initialized it already.
3238 When doing a dynamic link, we create a .rela.got
3239 relocation entry to initialize the value. This
3240 is done in the finish_dynamic_symbol routine. */
3245 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3246 htab
->elf
.sgot
->contents
+ off
);
3249 if (h
->dynindx
== -1
3251 && h
->root
.type
!= bfd_link_hash_undefweak
3252 && bfd_link_pic (info
))
3254 /* If this symbol isn't dynamic in PIC
3255 generate R_SPARC_RELATIVE here. */
3256 relative_reloc
= TRUE
;
3261 unresolved_reloc
= FALSE
;
3265 BFD_ASSERT (local_got_offsets
!= NULL
3266 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
3268 off
= local_got_offsets
[r_symndx
];
3270 /* The offset must always be a multiple of 8 on 64-bit and
3271 4 on 32-bit. We use the least significant bit to record
3272 whether we have already processed this entry. */
3277 if (bfd_link_pic (info
))
3279 relative_reloc
= TRUE
;
3282 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3283 htab
->elf
.sgot
->contents
+ off
);
3284 local_got_offsets
[r_symndx
] |= 1;
3291 Elf_Internal_Rela outrel
;
3293 /* We need to generate a R_SPARC_RELATIVE reloc
3294 for the dynamic linker. */
3295 s
= htab
->elf
.srelgot
;
3296 BFD_ASSERT (s
!= NULL
);
3298 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3299 + htab
->elf
.sgot
->output_offset
3301 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3302 0, R_SPARC_RELATIVE
);
3303 outrel
.r_addend
= relocation
;
3305 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3308 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3313 if (h
== NULL
|| h
->plt
.offset
== (bfd_vma
) -1)
3315 r_type
= (r_type
== R_SPARC_PLT32
) ? R_SPARC_32
: R_SPARC_64
;
3320 case R_SPARC_WPLT30
:
3321 case R_SPARC_HIPLT22
:
3322 case R_SPARC_LOPLT10
:
3323 case R_SPARC_PCPLT32
:
3324 case R_SPARC_PCPLT22
:
3325 case R_SPARC_PCPLT10
:
3327 /* Relocation is to the entry for this symbol in the
3328 procedure linkage table. */
3330 if (! ABI_64_P (output_bfd
))
3332 /* The Solaris native assembler will generate a WPLT30 reloc
3333 for a local symbol if you assemble a call from one
3334 section to another when using -K pic. We treat it as
3339 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3340 else if (r_type
== R_SPARC_WPLT30
&& h
== NULL
)
3344 BFD_ASSERT (h
!= NULL
);
3347 if (h
->plt
.offset
== (bfd_vma
) -1 || htab
->elf
.splt
== NULL
)
3349 /* We didn't make a PLT entry for this symbol. This
3350 happens when statically linking PIC code, or when
3351 using -Bsymbolic. */
3355 relocation
= (htab
->elf
.splt
->output_section
->vma
3356 + htab
->elf
.splt
->output_offset
3358 unresolved_reloc
= FALSE
;
3359 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
3361 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
3369 case R_SPARC_PC_HH22
:
3370 case R_SPARC_PC_HM10
:
3371 case R_SPARC_PC_LM22
:
3373 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
3377 case R_SPARC_DISP16
:
3378 case R_SPARC_DISP32
:
3379 case R_SPARC_DISP64
:
3380 case R_SPARC_WDISP30
:
3381 case R_SPARC_WDISP22
:
3382 case R_SPARC_WDISP19
:
3383 case R_SPARC_WDISP16
:
3384 case R_SPARC_WDISP10
:
3412 if ((input_section
->flags
& SEC_ALLOC
) == 0
3416 /* Copy dynamic function pointer relocations. Don't generate
3417 dynamic relocations against resolved undefined weak symbols
3419 if ((bfd_link_pic (info
)
3421 || ((ELF_ST_VISIBILITY (h
->other
) == STV_DEFAULT
3422 && !resolved_to_zero
)
3423 || h
->root
.type
!= bfd_link_hash_undefweak
))
3424 && (! howto
->pc_relative
3425 || !SYMBOL_CALLS_LOCAL (info
, h
)))
3426 || (!bfd_link_pic (info
)
3432 || (h
->root
.type
== bfd_link_hash_undefweak
3433 && !resolved_to_zero
)
3434 || h
->root
.type
== bfd_link_hash_undefined
)))
3436 Elf_Internal_Rela outrel
;
3437 bfd_boolean skip
, relocate
= FALSE
;
3439 /* When generating a shared object, these relocations
3440 are copied into the output file to be resolved at run
3443 BFD_ASSERT (sreloc
!= NULL
);
3448 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3450 if (outrel
.r_offset
== (bfd_vma
) -1)
3452 else if (outrel
.r_offset
== (bfd_vma
) -2)
3453 skip
= TRUE
, relocate
= TRUE
;
3454 outrel
.r_offset
+= (input_section
->output_section
->vma
3455 + input_section
->output_offset
);
3457 /* Optimize unaligned reloc usage now that we know where
3458 it finally resides. */
3462 if (outrel
.r_offset
& 1)
3463 r_type
= R_SPARC_UA16
;
3466 if (!(outrel
.r_offset
& 1))
3467 r_type
= R_SPARC_16
;
3470 if (outrel
.r_offset
& 3)
3471 r_type
= R_SPARC_UA32
;
3474 if (!(outrel
.r_offset
& 3))
3475 r_type
= R_SPARC_32
;
3478 if (outrel
.r_offset
& 7)
3479 r_type
= R_SPARC_UA64
;
3482 if (!(outrel
.r_offset
& 7))
3483 r_type
= R_SPARC_64
;
3486 case R_SPARC_DISP16
:
3487 case R_SPARC_DISP32
:
3488 case R_SPARC_DISP64
:
3489 /* If the symbol is not dynamic, we should not keep
3490 a dynamic relocation. But an .rela.* slot has been
3491 allocated for it, output R_SPARC_NONE.
3492 FIXME: Add code tracking needed dynamic relocs as
3494 if (h
->dynindx
== -1)
3495 skip
= TRUE
, relocate
= TRUE
;
3500 memset (&outrel
, 0, sizeof outrel
);
3501 /* h->dynindx may be -1 if the symbol was marked to
3505 && (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
3506 || !bfd_link_pic (info
)
3507 || !SYMBOLIC_BIND (info
, h
)
3508 || !h
->def_regular
))
3510 BFD_ASSERT (h
->dynindx
!= -1);
3511 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3512 outrel
.r_addend
= rel
->r_addend
;
3516 if ( (!ABI_64_P (output_bfd
) && r_type
== R_SPARC_32
)
3517 || (ABI_64_P (output_bfd
) && r_type
== R_SPARC_64
))
3519 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3520 0, R_SPARC_RELATIVE
);
3521 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3527 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3530 sec
= htab
->elf
.splt
;
3532 if (bfd_is_abs_section (sec
))
3534 else if (sec
== NULL
|| sec
->owner
== NULL
)
3536 bfd_set_error (bfd_error_bad_value
);
3543 /* We are turning this relocation into one
3544 against a section symbol. It would be
3545 proper to subtract the symbol's value,
3546 osec->vma, from the emitted reloc addend,
3547 but ld.so expects buggy relocs. */
3548 osec
= sec
->output_section
;
3549 indx
= elf_section_data (osec
)->dynindx
;
3553 osec
= htab
->elf
.text_index_section
;
3554 indx
= elf_section_data (osec
)->dynindx
;
3557 /* FIXME: we really should be able to link non-pic
3558 shared libraries. */
3563 (_("%B: probably compiled without -fPIC?"),
3565 bfd_set_error (bfd_error_bad_value
);
3570 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, indx
,
3575 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3577 /* This reloc will be computed at runtime, so there's no
3578 need to do anything now. */
3584 case R_SPARC_TLS_GD_HI22
:
3585 if (! ABI_64_P (input_bfd
)
3586 && ! _bfd_sparc_elf_tdata (input_bfd
)->has_tlsgd
)
3588 /* R_SPARC_REV32 used the same reloc number as
3589 R_SPARC_TLS_GD_HI22. */
3590 r_type
= R_SPARC_REV32
;
3595 case R_SPARC_TLS_GD_LO10
:
3596 case R_SPARC_TLS_IE_HI22
:
3597 case R_SPARC_TLS_IE_LO10
:
3598 r_type
= sparc_elf_tls_transition (info
, input_bfd
, r_type
, h
== NULL
);
3599 tls_type
= GOT_UNKNOWN
;
3600 if (h
== NULL
&& local_got_offsets
)
3601 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3604 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
3605 if (bfd_link_executable (info
)
3607 && tls_type
== GOT_TLS_IE
)
3608 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
3610 case R_SPARC_TLS_GD_HI22
:
3611 case R_SPARC_TLS_IE_HI22
:
3612 r_type
= R_SPARC_TLS_LE_HIX22
;
3615 r_type
= R_SPARC_TLS_LE_LOX10
;
3619 if (tls_type
== GOT_TLS_IE
)
3622 case R_SPARC_TLS_GD_HI22
:
3623 r_type
= R_SPARC_TLS_IE_HI22
;
3625 case R_SPARC_TLS_GD_LO10
:
3626 r_type
= R_SPARC_TLS_IE_LO10
;
3630 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3632 relocation
= tpoff (info
, relocation
);
3635 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3637 /* Change add into xor. */
3638 relocation
= tpoff (info
, relocation
);
3639 bfd_put_32 (output_bfd
, (bfd_get_32 (input_bfd
,
3640 contents
+ rel
->r_offset
)
3641 | 0x80182000), contents
+ rel
->r_offset
);
3647 off
= h
->got
.offset
;
3652 BFD_ASSERT (local_got_offsets
!= NULL
);
3653 off
= local_got_offsets
[r_symndx
];
3654 local_got_offsets
[r_symndx
] |= 1;
3658 if (htab
->elf
.sgot
== NULL
)
3665 Elf_Internal_Rela outrel
;
3668 if (htab
->elf
.srelgot
== NULL
)
3671 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3672 htab
->elf
.sgot
->contents
+ off
);
3673 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3674 + htab
->elf
.sgot
->output_offset
+ off
);
3675 indx
= h
&& h
->dynindx
!= -1 ? h
->dynindx
: 0;
3676 if (r_type
== R_SPARC_TLS_IE_HI22
3677 || r_type
== R_SPARC_TLS_IE_LO10
)
3678 dr_type
= SPARC_ELF_TPOFF_RELOC (htab
);
3680 dr_type
= SPARC_ELF_DTPMOD_RELOC (htab
);
3681 if (dr_type
== SPARC_ELF_TPOFF_RELOC (htab
) && indx
== 0)
3682 outrel
.r_addend
= relocation
- dtpoff_base (info
);
3684 outrel
.r_addend
= 0;
3685 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
, dr_type
);
3686 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
, &outrel
);
3688 if (r_type
== R_SPARC_TLS_GD_HI22
3689 || r_type
== R_SPARC_TLS_GD_LO10
)
3693 BFD_ASSERT (! unresolved_reloc
);
3694 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
3695 relocation
- dtpoff_base (info
),
3696 (htab
->elf
.sgot
->contents
+ off
3697 + SPARC_ELF_WORD_BYTES (htab
)));
3701 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3702 (htab
->elf
.sgot
->contents
+ off
3703 + SPARC_ELF_WORD_BYTES (htab
)));
3704 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
,
3705 SPARC_ELF_DTPOFF_RELOC (htab
));
3706 outrel
.r_offset
+= SPARC_ELF_WORD_BYTES (htab
);
3707 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
,
3711 else if (dr_type
== SPARC_ELF_DTPMOD_RELOC (htab
))
3713 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3714 (htab
->elf
.sgot
->contents
+ off
3715 + SPARC_ELF_WORD_BYTES (htab
)));
3719 if (off
>= (bfd_vma
) -2)
3722 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3723 unresolved_reloc
= FALSE
;
3724 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3727 case R_SPARC_TLS_LDM_HI22
:
3728 case R_SPARC_TLS_LDM_LO10
:
3729 if (! bfd_link_pic (info
))
3731 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3734 off
= htab
->tls_ldm_got
.offset
;
3735 htab
->tls_ldm_got
.offset
|= 1;
3736 goto r_sparc_tlsldm
;
3738 case R_SPARC_TLS_LDO_HIX22
:
3739 case R_SPARC_TLS_LDO_LOX10
:
3740 if (bfd_link_pic (info
))
3742 relocation
-= dtpoff_base (info
);
3746 r_type
= (r_type
== R_SPARC_TLS_LDO_HIX22
3747 ? R_SPARC_TLS_LE_HIX22
: R_SPARC_TLS_LE_LOX10
);
3750 case R_SPARC_TLS_LE_HIX22
:
3751 case R_SPARC_TLS_LE_LOX10
:
3752 if (!bfd_link_executable (info
))
3754 Elf_Internal_Rela outrel
;
3757 BFD_ASSERT (sreloc
!= NULL
);
3760 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3762 if (outrel
.r_offset
== (bfd_vma
) -1)
3764 else if (outrel
.r_offset
== (bfd_vma
) -2)
3766 outrel
.r_offset
+= (input_section
->output_section
->vma
3767 + input_section
->output_offset
);
3769 memset (&outrel
, 0, sizeof outrel
);
3772 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, r_type
);
3773 outrel
.r_addend
= relocation
- dtpoff_base (info
)
3777 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3780 relocation
= tpoff (info
, relocation
);
3783 case R_SPARC_TLS_LDM_CALL
:
3784 if (bfd_link_executable (info
))
3787 bfd_put_32 (output_bfd
, 0x90100000, contents
+ rel
->r_offset
);
3792 case R_SPARC_TLS_GD_CALL
:
3793 tls_type
= GOT_UNKNOWN
;
3794 if (h
== NULL
&& local_got_offsets
)
3795 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3797 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
3798 if (bfd_link_executable (info
)
3799 || (r_type
== R_SPARC_TLS_GD_CALL
&& tls_type
== GOT_TLS_IE
))
3801 Elf_Internal_Rela
*rel2
;
3804 if (!bfd_link_pic (info
) && (h
== NULL
|| h
->dynindx
== -1))
3807 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3812 if (rel
+ 1 < relend
3813 && SPARC_ELF_R_TYPE (rel
[1].r_info
) == R_SPARC_TLS_GD_ADD
3814 && rel
[1].r_offset
== rel
->r_offset
+ 4
3815 && SPARC_ELF_R_SYMNDX (htab
, rel
[1].r_info
) == r_symndx
3816 && (((insn
= bfd_get_32 (input_bfd
,
3817 contents
+ rel
[1].r_offset
))
3818 >> 25) & 0x1f) == 8)
3821 call __tls_get_addr, %tgd_call(foo)
3822 add %reg1, %reg2, %o0, %tgd_add(foo)
3823 and change it into IE:
3824 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3825 add %g7, %o0, %o0, %tie_add(foo).
3826 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3827 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3828 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3829 bfd_put_32 (output_bfd
, insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000),
3830 contents
+ rel
->r_offset
);
3831 bfd_put_32 (output_bfd
, 0x9001c008,
3832 contents
+ rel
->r_offset
+ 4);
3837 /* We cannot just overwrite the delay slot instruction,
3838 as it might be what puts the %o0 argument to
3839 __tls_get_addr into place. So we have to transpose
3840 the delay slot with the add we patch in. */
3841 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3842 bfd_put_32 (output_bfd
, insn
,
3843 contents
+ rel
->r_offset
);
3844 bfd_put_32 (output_bfd
, 0x9001c008,
3845 contents
+ rel
->r_offset
+ 4);
3848 while ((rel2
= sparc_elf_find_reloc_at_ofs (rel2
+ 1, relend
,
3852 /* If the instruction we moved has a relocation attached to
3853 it, adjust the offset so that it will apply to the correct
3855 rel2
->r_offset
-= 4;
3860 h
= (struct elf_link_hash_entry
*)
3861 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
3863 BFD_ASSERT (h
!= NULL
);
3864 r_type
= R_SPARC_WPLT30
;
3865 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3866 goto r_sparc_wplt30
;
3868 case R_SPARC_TLS_GD_ADD
:
3869 tls_type
= GOT_UNKNOWN
;
3870 if (h
== NULL
&& local_got_offsets
)
3871 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3873 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
3874 if (! bfd_link_pic (info
) || tls_type
== GOT_TLS_IE
)
3876 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3878 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3880 add %g7, %reg2, %reg3. */
3881 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3882 if ((h
!= NULL
&& h
->dynindx
!= -1) || bfd_link_pic (info
))
3883 relocation
= insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000);
3885 relocation
= (insn
& ~0x7c000) | 0x1c000;
3886 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3890 case R_SPARC_TLS_LDM_ADD
:
3891 if (! bfd_link_pic (info
))
3892 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3895 case R_SPARC_TLS_LDO_ADD
:
3896 if (! bfd_link_pic (info
))
3898 /* Change rs1 into %g7. */
3899 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3900 insn
= (insn
& ~0x7c000) | 0x1c000;
3901 bfd_put_32 (output_bfd
, insn
, contents
+ rel
->r_offset
);
3905 case R_SPARC_TLS_IE_LD
:
3906 case R_SPARC_TLS_IE_LDX
:
3907 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3909 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3910 int rs2
= insn
& 0x1f;
3911 int rd
= (insn
>> 25) & 0x1f;
3914 relocation
= SPARC_NOP
;
3916 relocation
= 0x80100000 | (insn
& 0x3e00001f);
3917 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3921 case R_SPARC_TLS_IE_ADD
:
3922 /* Totally useless relocation. */
3925 case R_SPARC_TLS_DTPOFF32
:
3926 case R_SPARC_TLS_DTPOFF64
:
3927 relocation
-= dtpoff_base (info
);
3934 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3935 because such sections are not SEC_ALLOC and thus ld.so will
3936 not process them. */
3937 if (unresolved_reloc
3938 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
3940 && _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3941 rel
->r_offset
) != (bfd_vma
) -1)
3943 /* xgettext:c-format */
3944 (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
3949 h
->root
.root
.string
);
3951 r
= bfd_reloc_continue
;
3952 if (r_type
== R_SPARC_OLO10
)
3956 if (! ABI_64_P (output_bfd
))
3959 relocation
+= rel
->r_addend
;
3960 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
3962 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3963 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
3964 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3966 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3967 howto
->bitsize
, howto
->rightshift
,
3968 bfd_arch_bits_per_address (input_bfd
),
3971 else if (r_type
== R_SPARC_WDISP16
)
3975 relocation
+= rel
->r_addend
;
3976 relocation
-= (input_section
->output_section
->vma
3977 + input_section
->output_offset
);
3978 relocation
-= rel
->r_offset
;
3980 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3981 x
|= ((((relocation
>> 2) & 0xc000) << 6)
3982 | ((relocation
>> 2) & 0x3fff));
3983 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3985 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3986 howto
->bitsize
, howto
->rightshift
,
3987 bfd_arch_bits_per_address (input_bfd
),
3990 else if (r_type
== R_SPARC_WDISP10
)
3994 relocation
+= rel
->r_addend
;
3995 relocation
-= (input_section
->output_section
->vma
3996 + input_section
->output_offset
);
3997 relocation
-= rel
->r_offset
;
3999 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4000 x
|= ((((relocation
>> 2) & 0x300) << 11)
4001 | (((relocation
>> 2) & 0xff) << 5));
4002 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4004 r
= bfd_check_overflow (howto
->complain_on_overflow
,
4005 howto
->bitsize
, howto
->rightshift
,
4006 bfd_arch_bits_per_address (input_bfd
),
4009 else if (r_type
== R_SPARC_REV32
)
4013 relocation
= relocation
+ rel
->r_addend
;
4015 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4017 bfd_putl32 (/*input_bfd,*/ x
, contents
+ rel
->r_offset
);
4020 else if (r_type
== R_SPARC_TLS_LDO_HIX22
4021 || r_type
== R_SPARC_TLS_LE_HIX22
)
4025 relocation
+= rel
->r_addend
;
4026 if (r_type
== R_SPARC_TLS_LE_HIX22
)
4027 relocation
^= MINUS_ONE
;
4029 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4030 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
4031 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4034 else if (r_type
== R_SPARC_TLS_LDO_LOX10
4035 || r_type
== R_SPARC_TLS_LE_LOX10
)
4039 relocation
+= rel
->r_addend
;
4040 relocation
&= 0x3ff;
4041 if (r_type
== R_SPARC_TLS_LE_LOX10
)
4042 relocation
|= 0x1c00;
4044 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4045 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4046 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4050 else if (r_type
== R_SPARC_HIX22
4051 || r_type
== R_SPARC_GOTDATA_HIX22
4052 || r_type
== R_SPARC_GOTDATA_OP_HIX22
)
4056 relocation
+= rel
->r_addend
;
4057 if (r_type
== R_SPARC_HIX22
4058 || (bfd_signed_vma
) relocation
< 0)
4059 relocation
= relocation
^ MINUS_ONE
;
4061 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4062 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
4063 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4065 r
= bfd_check_overflow (howto
->complain_on_overflow
,
4066 howto
->bitsize
, howto
->rightshift
,
4067 bfd_arch_bits_per_address (input_bfd
),
4070 else if (r_type
== R_SPARC_LOX10
4071 || r_type
== R_SPARC_GOTDATA_LOX10
4072 || r_type
== R_SPARC_GOTDATA_OP_LOX10
)
4076 relocation
+= rel
->r_addend
;
4077 if (r_type
== R_SPARC_LOX10
4078 || (bfd_signed_vma
) relocation
< 0)
4079 relocation
= (relocation
& 0x3ff) | 0x1c00;
4081 relocation
= (relocation
& 0x3ff);
4083 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4084 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4085 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4089 else if ((r_type
== R_SPARC_WDISP30
|| r_type
== R_SPARC_WPLT30
)
4090 && sec_do_relax (input_section
)
4091 && rel
->r_offset
+ 4 < input_section
->size
)
4095 #define XCC (2 << 20)
4096 #define COND(x) (((x)&0xf)<<25)
4097 #define CONDA COND(0x8)
4098 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4099 #define INSN_BA (F2(0,2) | CONDA)
4100 #define INSN_OR F3(2, 0x2, 0)
4101 #define INSN_NOP F2(0,4)
4105 /* If the instruction is a call with either:
4107 arithmetic instruction with rd == %o7
4108 where rs1 != %o7 and rs2 if it is register != %o7
4109 then we can optimize if the call destination is near
4110 by changing the call into a branch always. */
4111 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4112 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
4113 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
4115 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
4116 || ((y
& OP3(0x28)) == 0 /* arithmetic */
4117 && (y
& RD(~0)) == RD(O7
)))
4118 && (y
& RS1(~0)) != RS1(O7
)
4120 || (y
& RS2(~0)) != RS2(O7
)))
4124 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
4125 reloc
-= (input_section
->output_section
->vma
4126 + input_section
->output_offset
);
4128 /* Ensure the branch fits into simm22. */
4129 if ((reloc
& 3) == 0
4130 && ((reloc
& ~(bfd_vma
)0x7fffff) == 0
4131 || ((reloc
| 0x7fffff) == ~(bfd_vma
)0)))
4135 /* Check whether it fits into simm19. */
4136 if (((reloc
& 0x3c0000) == 0
4137 || (reloc
& 0x3c0000) == 0x3c0000)
4138 && (ABI_64_P (output_bfd
)
4139 || elf_elfheader (output_bfd
)->e_flags
& EF_SPARC_32PLUS
))
4140 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
4142 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
4143 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4145 if (rel
->r_offset
>= 4
4146 && (y
& (0xffffffff ^ RS1(~0)))
4147 == (INSN_OR
| RD(O7
) | RS2(G0
)))
4152 z
= bfd_get_32 (input_bfd
,
4153 contents
+ rel
->r_offset
- 4);
4154 if ((z
& (0xffffffff ^ RD(~0)))
4155 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
4163 If call foo was replaced with ba, replace
4164 or %rN, %g0, %o7 with nop. */
4166 reg
= (y
& RS1(~0)) >> 14;
4167 if (reg
!= ((z
& RD(~0)) >> 25)
4168 || reg
== G0
|| reg
== O7
)
4171 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
4172 contents
+ rel
->r_offset
+ 4);
4180 if (r
== bfd_reloc_continue
)
4183 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
4184 contents
, rel
->r_offset
,
4185 relocation
, rel
->r_addend
);
4187 if (r
!= bfd_reloc_ok
)
4192 case bfd_reloc_outofrange
:
4194 case bfd_reloc_overflow
:
4198 /* The Solaris native linker silently disregards overflows.
4199 We don't, but this breaks stabs debugging info, whose
4200 relocations are only 32-bits wide. Ignore overflows in
4201 this case and also for discarded entries. */
4202 if ((r_type
== R_SPARC_32
4203 || r_type
== R_SPARC_UA32
4204 || r_type
== R_SPARC_DISP32
)
4205 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
4206 && strcmp (bfd_section_name (input_bfd
,
4209 || _bfd_elf_section_offset (output_bfd
, info
,
4217 /* Assume this is a call protected by other code that
4218 detect the symbol is undefined. If this is the case,
4219 we can safely ignore the overflow. If not, the
4220 program is hosed anyway, and a little warning isn't
4222 if (h
->root
.type
== bfd_link_hash_undefweak
4223 && howto
->pc_relative
)
4230 name
= bfd_elf_string_from_elf_section (input_bfd
,
4231 symtab_hdr
->sh_link
,
4236 name
= bfd_section_name (input_bfd
, sec
);
4238 (*info
->callbacks
->reloc_overflow
)
4239 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
4240 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
4250 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4251 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4252 is the offset of the associated .got.plt entry from
4253 _GLOBAL_OFFSET_TABLE_. */
4256 sparc_vxworks_build_plt_entry (bfd
*output_bfd
, struct bfd_link_info
*info
,
4257 bfd_vma plt_offset
, bfd_vma plt_index
,
4261 const bfd_vma
*plt_entry
;
4262 struct _bfd_sparc_elf_link_hash_table
*htab
;
4264 Elf_Internal_Rela rela
;
4266 htab
= _bfd_sparc_elf_hash_table (info
);
4267 BFD_ASSERT (htab
!= NULL
);
4269 if (bfd_link_pic (info
))
4271 plt_entry
= sparc_vxworks_shared_plt_entry
;
4276 plt_entry
= sparc_vxworks_exec_plt_entry
;
4277 got_base
= (htab
->elf
.hgot
->root
.u
.def
.value
4278 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4279 + htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
);
4282 /* Fill in the entry in the procedure linkage table. */
4283 bfd_put_32 (output_bfd
, plt_entry
[0] + ((got_base
+ got_offset
) >> 10),
4284 htab
->elf
.splt
->contents
+ plt_offset
);
4285 bfd_put_32 (output_bfd
, plt_entry
[1] + ((got_base
+ got_offset
) & 0x3ff),
4286 htab
->elf
.splt
->contents
+ plt_offset
+ 4);
4287 bfd_put_32 (output_bfd
, plt_entry
[2],
4288 htab
->elf
.splt
->contents
+ plt_offset
+ 8);
4289 bfd_put_32 (output_bfd
, plt_entry
[3],
4290 htab
->elf
.splt
->contents
+ plt_offset
+ 12);
4291 bfd_put_32 (output_bfd
, plt_entry
[4],
4292 htab
->elf
.splt
->contents
+ plt_offset
+ 16);
4293 bfd_put_32 (output_bfd
, plt_entry
[5] + (plt_index
>> 10),
4294 htab
->elf
.splt
->contents
+ plt_offset
+ 20);
4295 /* PC-relative displacement for a branch to the start of
4297 bfd_put_32 (output_bfd
, plt_entry
[6] + (((-plt_offset
- 24) >> 2)
4299 htab
->elf
.splt
->contents
+ plt_offset
+ 24);
4300 bfd_put_32 (output_bfd
, plt_entry
[7] + (plt_index
& 0x3ff),
4301 htab
->elf
.splt
->contents
+ plt_offset
+ 28);
4303 /* Fill in the .got.plt entry, pointing initially at the
4304 second half of the PLT entry. */
4305 BFD_ASSERT (htab
->elf
.sgotplt
!= NULL
);
4306 bfd_put_32 (output_bfd
,
4307 htab
->elf
.splt
->output_section
->vma
4308 + htab
->elf
.splt
->output_offset
4310 htab
->elf
.sgotplt
->contents
+ got_offset
);
4312 /* Add relocations to .rela.plt.unloaded. */
4313 if (!bfd_link_pic (info
))
4315 loc
= (htab
->srelplt2
->contents
4316 + (2 + 3 * plt_index
) * sizeof (Elf32_External_Rela
));
4318 /* Relocate the initial sethi. */
4319 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4320 + htab
->elf
.splt
->output_offset
4322 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4323 rela
.r_addend
= got_offset
;
4324 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4325 loc
+= sizeof (Elf32_External_Rela
);
4327 /* Likewise the following or. */
4329 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4330 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4331 loc
+= sizeof (Elf32_External_Rela
);
4333 /* Relocate the .got.plt entry. */
4334 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4335 + htab
->elf
.sgotplt
->output_offset
4337 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4338 rela
.r_addend
= plt_offset
+ 20;
4339 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4343 /* Finish up dynamic symbol handling. We set the contents of various
4344 dynamic sections here. */
4347 _bfd_sparc_elf_finish_dynamic_symbol (bfd
*output_bfd
,
4348 struct bfd_link_info
*info
,
4349 struct elf_link_hash_entry
*h
,
4350 Elf_Internal_Sym
*sym
)
4352 struct _bfd_sparc_elf_link_hash_table
*htab
;
4353 const struct elf_backend_data
*bed
;
4354 struct _bfd_sparc_elf_link_hash_entry
*eh
;
4355 bfd_boolean local_undefweak
;
4357 htab
= _bfd_sparc_elf_hash_table (info
);
4358 BFD_ASSERT (htab
!= NULL
);
4359 bed
= get_elf_backend_data (output_bfd
);
4361 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
4363 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4364 resolved undefined weak symbols in executable so that their
4365 references have value 0 at run-time. */
4366 local_undefweak
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
4368 if (h
->plt
.offset
!= (bfd_vma
) -1)
4372 Elf_Internal_Rela rela
;
4374 bfd_vma r_offset
, got_offset
;
4377 /* When building a static executable, use .iplt and
4378 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4379 if (htab
->elf
.splt
!= NULL
)
4381 splt
= htab
->elf
.splt
;
4382 srela
= htab
->elf
.srelplt
;
4386 splt
= htab
->elf
.iplt
;
4387 srela
= htab
->elf
.irelplt
;
4390 if (splt
== NULL
|| srela
== NULL
)
4393 /* Fill in the entry in the .rela.plt section. */
4394 if (htab
->is_vxworks
)
4396 /* Work out the index of this PLT entry. */
4397 rela_index
= ((h
->plt
.offset
- htab
->plt_header_size
)
4398 / htab
->plt_entry_size
);
4400 /* Calculate the offset of the associated .got.plt entry.
4401 The first three entries are reserved. */
4402 got_offset
= (rela_index
+ 3) * 4;
4404 sparc_vxworks_build_plt_entry (output_bfd
, info
, h
->plt
.offset
,
4405 rela_index
, got_offset
);
4408 /* On VxWorks, the relocation points to the .got.plt entry,
4409 not the .plt entry. */
4410 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4411 + htab
->elf
.sgotplt
->output_offset
4414 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4419 bfd_boolean ifunc
= FALSE
;
4421 /* Fill in the entry in the procedure linkage table. */
4422 rela_index
= SPARC_ELF_BUILD_PLT_ENTRY (htab
, output_bfd
, splt
,
4423 h
->plt
.offset
, splt
->size
,
4428 || ((bfd_link_executable (info
)
4429 || ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
4431 && h
->type
== STT_GNU_IFUNC
))
4434 BFD_ASSERT (h
== NULL
4435 || (h
->type
== STT_GNU_IFUNC
4437 && (h
->root
.type
== bfd_link_hash_defined
4438 || h
->root
.type
== bfd_link_hash_defweak
)));
4441 rela
.r_offset
= r_offset
4442 + (splt
->output_section
->vma
+ splt
->output_offset
);
4443 if (ABI_64_P (output_bfd
)
4444 && h
->plt
.offset
>= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
4448 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4449 + h
->root
.u
.def
.section
->output_offset
4450 + h
->root
.u
.def
.value
);
4451 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4456 rela
.r_addend
= (-(h
->plt
.offset
+ 4)
4457 - splt
->output_section
->vma
4458 - splt
->output_offset
);
4459 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4467 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4468 + h
->root
.u
.def
.section
->output_offset
4469 + h
->root
.u
.def
.value
);
4470 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4476 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4482 /* Adjust for the first 4 reserved elements in the .plt section
4483 when setting the offset in the .rela.plt section.
4484 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4485 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4487 loc
= srela
->contents
;
4488 loc
+= rela_index
* bed
->s
->sizeof_rela
;
4489 bed
->s
->swap_reloca_out (output_bfd
, &rela
, loc
);
4491 if (!local_undefweak
4494 /* Mark the symbol as undefined, rather than as defined in
4495 the .plt section. Leave the value alone. */
4496 sym
->st_shndx
= SHN_UNDEF
;
4497 /* If the symbol is weak, we do need to clear the value.
4498 Otherwise, the PLT entry would provide a definition for
4499 the symbol even if the symbol wasn't defined anywhere,
4500 and so the symbol would never be NULL. */
4501 if (!h
->ref_regular_nonweak
)
4506 /* Don't generate dynamic GOT relocation against undefined weak
4507 symbol in executable. */
4508 if (h
->got
.offset
!= (bfd_vma
) -1
4509 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_GD
4510 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_IE
4511 && !local_undefweak
)
4515 Elf_Internal_Rela rela
;
4517 /* This symbol has an entry in the GOT. Set it up. */
4519 sgot
= htab
->elf
.sgot
;
4520 srela
= htab
->elf
.srelgot
;
4521 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
4523 rela
.r_offset
= (sgot
->output_section
->vma
4524 + sgot
->output_offset
4525 + (h
->got
.offset
&~ (bfd_vma
) 1));
4527 /* If this is a -Bsymbolic link, and the symbol is defined
4528 locally, we just want to emit a RELATIVE reloc. Likewise if
4529 the symbol was forced to be local because of a version file.
4530 The entry in the global offset table will already have been
4531 initialized in the relocate_section function. */
4532 if (! bfd_link_pic (info
)
4533 && h
->type
== STT_GNU_IFUNC
4538 /* We load the GOT entry with the PLT entry. */
4539 plt
= htab
->elf
.splt
? htab
->elf
.splt
: htab
->elf
.iplt
;
4540 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
4541 (plt
->output_section
->vma
4542 + plt
->output_offset
+ h
->plt
.offset
),
4543 htab
->elf
.sgot
->contents
4544 + (h
->got
.offset
& ~(bfd_vma
) 1));
4547 else if (bfd_link_pic (info
)
4548 && SYMBOL_REFERENCES_LOCAL (info
, h
))
4550 asection
*sec
= h
->root
.u
.def
.section
;
4551 if (h
->type
== STT_GNU_IFUNC
)
4552 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_IRELATIVE
);
4554 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_RELATIVE
);
4555 rela
.r_addend
= (h
->root
.u
.def
.value
4556 + sec
->output_section
->vma
4557 + sec
->output_offset
);
4561 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_GLOB_DAT
);
4565 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
4566 sgot
->contents
+ (h
->got
.offset
& ~(bfd_vma
) 1));
4567 sparc_elf_append_rela (output_bfd
, srela
, &rela
);
4573 Elf_Internal_Rela rela
;
4575 /* This symbols needs a copy reloc. Set it up. */
4576 BFD_ASSERT (h
->dynindx
!= -1);
4578 rela
.r_offset
= (h
->root
.u
.def
.value
4579 + h
->root
.u
.def
.section
->output_section
->vma
4580 + h
->root
.u
.def
.section
->output_offset
);
4581 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_COPY
);
4583 if (h
->root
.u
.def
.section
== htab
->elf
.sdynrelro
)
4584 s
= htab
->elf
.sreldynrelro
;
4586 s
= htab
->elf
.srelbss
;
4587 sparc_elf_append_rela (output_bfd
, s
, &rela
);
4590 /* Mark some specially defined symbols as absolute. On VxWorks,
4591 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4592 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4594 && (h
== htab
->elf
.hdynamic
4595 || (!htab
->is_vxworks
4596 && (h
== htab
->elf
.hgot
|| h
== htab
->elf
.hplt
))))
4597 sym
->st_shndx
= SHN_ABS
;
4602 /* Finish up the dynamic sections. */
4605 sparc_finish_dyn (bfd
*output_bfd
, struct bfd_link_info
*info
,
4606 bfd
*dynobj
, asection
*sdyn
,
4607 asection
*splt ATTRIBUTE_UNUSED
)
4609 struct _bfd_sparc_elf_link_hash_table
*htab
;
4610 const struct elf_backend_data
*bed
;
4611 bfd_byte
*dyncon
, *dynconend
;
4613 int stt_regidx
= -1;
4614 bfd_boolean abi_64_p
;
4616 htab
= _bfd_sparc_elf_hash_table (info
);
4617 BFD_ASSERT (htab
!= NULL
);
4618 bed
= get_elf_backend_data (output_bfd
);
4619 dynsize
= bed
->s
->sizeof_dyn
;
4620 dynconend
= sdyn
->contents
+ sdyn
->size
;
4621 abi_64_p
= ABI_64_P (output_bfd
);
4622 for (dyncon
= sdyn
->contents
; dyncon
< dynconend
; dyncon
+= dynsize
)
4624 Elf_Internal_Dyn dyn
;
4627 bed
->s
->swap_dyn_in (dynobj
, dyncon
, &dyn
);
4629 if (htab
->is_vxworks
&& dyn
.d_tag
== DT_PLTGOT
)
4631 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4632 not to the start of the PLT. */
4633 if (htab
->elf
.sgotplt
)
4635 dyn
.d_un
.d_val
= (htab
->elf
.sgotplt
->output_section
->vma
4636 + htab
->elf
.sgotplt
->output_offset
);
4637 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4640 else if (htab
->is_vxworks
4641 && elf_vxworks_finish_dynamic_entry (output_bfd
, &dyn
))
4642 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4643 else if (abi_64_p
&& dyn
.d_tag
== DT_SPARC_REGISTER
)
4645 if (stt_regidx
== -1)
4648 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
4649 if (stt_regidx
== -1)
4652 dyn
.d_un
.d_val
= stt_regidx
++;
4653 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4666 s
= htab
->elf
.srelplt
;
4670 s
= htab
->elf
.srelplt
;
4682 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4684 dyn
.d_un
.d_val
= s
->size
;
4686 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4692 /* Install the first PLT entry in a VxWorks executable and make sure that
4693 .rela.plt.unloaded relocations have the correct symbol indexes. */
4696 sparc_vxworks_finish_exec_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4698 struct _bfd_sparc_elf_link_hash_table
*htab
;
4699 Elf_Internal_Rela rela
;
4703 htab
= _bfd_sparc_elf_hash_table (info
);
4704 BFD_ASSERT (htab
!= NULL
);
4706 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4707 got_base
= (htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
4708 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4709 + htab
->elf
.hgot
->root
.u
.def
.value
);
4711 /* Install the initial PLT entry. */
4712 bfd_put_32 (output_bfd
,
4713 sparc_vxworks_exec_plt0_entry
[0] + ((got_base
+ 8) >> 10),
4714 htab
->elf
.splt
->contents
);
4715 bfd_put_32 (output_bfd
,
4716 sparc_vxworks_exec_plt0_entry
[1] + ((got_base
+ 8) & 0x3ff),
4717 htab
->elf
.splt
->contents
+ 4);
4718 bfd_put_32 (output_bfd
,
4719 sparc_vxworks_exec_plt0_entry
[2],
4720 htab
->elf
.splt
->contents
+ 8);
4721 bfd_put_32 (output_bfd
,
4722 sparc_vxworks_exec_plt0_entry
[3],
4723 htab
->elf
.splt
->contents
+ 12);
4724 bfd_put_32 (output_bfd
,
4725 sparc_vxworks_exec_plt0_entry
[4],
4726 htab
->elf
.splt
->contents
+ 16);
4728 loc
= htab
->srelplt2
->contents
;
4730 /* Add an unloaded relocation for the initial entry's "sethi". */
4731 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4732 + htab
->elf
.splt
->output_offset
);
4733 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4735 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4736 loc
+= sizeof (Elf32_External_Rela
);
4738 /* Likewise the following "or". */
4740 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4741 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4742 loc
+= sizeof (Elf32_External_Rela
);
4744 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4745 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4746 in which symbols were output. */
4747 while (loc
< htab
->srelplt2
->contents
+ htab
->srelplt2
->size
)
4749 Elf_Internal_Rela rel
;
4751 /* The entry's initial "sethi" (against _G_O_T_). */
4752 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4753 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4754 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4755 loc
+= sizeof (Elf32_External_Rela
);
4757 /* The following "or" (also against _G_O_T_). */
4758 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4759 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4760 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4761 loc
+= sizeof (Elf32_External_Rela
);
4763 /* The .got.plt entry (against _P_L_T_). */
4764 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4765 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4766 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4767 loc
+= sizeof (Elf32_External_Rela
);
4771 /* Install the first PLT entry in a VxWorks shared object. */
4774 sparc_vxworks_finish_shared_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4776 struct _bfd_sparc_elf_link_hash_table
*htab
;
4779 htab
= _bfd_sparc_elf_hash_table (info
);
4780 BFD_ASSERT (htab
!= NULL
);
4782 for (i
= 0; i
< ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
); i
++)
4783 bfd_put_32 (output_bfd
, sparc_vxworks_shared_plt0_entry
[i
],
4784 htab
->elf
.splt
->contents
+ i
* 4);
4787 /* Finish up local dynamic symbol handling. We set the contents of
4788 various dynamic sections here. */
4791 finish_local_dynamic_symbol (void **slot
, void *inf
)
4793 struct elf_link_hash_entry
*h
4794 = (struct elf_link_hash_entry
*) *slot
;
4795 struct bfd_link_info
*info
4796 = (struct bfd_link_info
*) inf
;
4798 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4802 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4803 here since undefined weak symbol may not be dynamic and may not be
4804 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4807 pie_finish_undefweak_symbol (struct bfd_hash_entry
*bh
,
4810 struct elf_link_hash_entry
*h
= (struct elf_link_hash_entry
*) bh
;
4811 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
4813 if (h
->root
.type
!= bfd_link_hash_undefweak
4814 || h
->dynindx
!= -1)
4817 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4822 _bfd_sparc_elf_finish_dynamic_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
4826 struct _bfd_sparc_elf_link_hash_table
*htab
;
4828 htab
= _bfd_sparc_elf_hash_table (info
);
4829 BFD_ASSERT (htab
!= NULL
);
4830 dynobj
= htab
->elf
.dynobj
;
4832 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
4834 if (elf_hash_table (info
)->dynamic_sections_created
)
4838 splt
= htab
->elf
.splt
;
4839 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
4841 if (!sparc_finish_dyn (output_bfd
, info
, dynobj
, sdyn
, splt
))
4844 /* Initialize the contents of the .plt section. */
4847 if (htab
->is_vxworks
)
4849 if (bfd_link_pic (info
))
4850 sparc_vxworks_finish_shared_plt (output_bfd
, info
);
4852 sparc_vxworks_finish_exec_plt (output_bfd
, info
);
4856 memset (splt
->contents
, 0, htab
->plt_header_size
);
4857 if (!ABI_64_P (output_bfd
))
4858 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
,
4859 splt
->contents
+ splt
->size
- 4);
4863 if (elf_section_data (splt
->output_section
) != NULL
)
4864 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
4865 = ((htab
->is_vxworks
|| !ABI_64_P (output_bfd
))
4866 ? 0 : htab
->plt_entry_size
);
4869 /* Set the first entry in the global offset table to the address of
4870 the dynamic section. */
4871 if (htab
->elf
.sgot
&& htab
->elf
.sgot
->size
> 0)
4873 bfd_vma val
= (sdyn
?
4874 sdyn
->output_section
->vma
+ sdyn
->output_offset
:
4877 SPARC_ELF_PUT_WORD (htab
, output_bfd
, val
, htab
->elf
.sgot
->contents
);
4881 elf_section_data (htab
->elf
.sgot
->output_section
)->this_hdr
.sh_entsize
=
4882 SPARC_ELF_WORD_BYTES (htab
);
4884 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4885 htab_traverse (htab
->loc_hash_table
, finish_local_dynamic_symbol
, info
);
4887 /* Fill PLT entries for undefined weak symbols in PIE. */
4888 if (bfd_link_pie (info
))
4889 bfd_hash_traverse (&info
->hash
->table
,
4890 pie_finish_undefweak_symbol
,
4896 /* Set the right machine number for a SPARC ELF file. */
4899 _bfd_sparc_elf_object_p (bfd
*abfd
)
4901 obj_attribute
*attrs
= elf_known_obj_attributes (abfd
)[OBJ_ATTR_GNU
];
4902 obj_attribute
*hwcaps
= &attrs
[Tag_GNU_Sparc_HWCAPS
];
4903 obj_attribute
*hwcaps2
= &attrs
[Tag_GNU_Sparc_HWCAPS2
];
4905 unsigned int v9c_hwcaps_mask
= ELF_SPARC_HWCAP_ASI_BLK_INIT
;
4906 unsigned int v9d_hwcaps_mask
= (ELF_SPARC_HWCAP_FMAF
4907 | ELF_SPARC_HWCAP_VIS3
4908 | ELF_SPARC_HWCAP_HPC
);
4909 unsigned int v9e_hwcaps_mask
= (ELF_SPARC_HWCAP_AES
4910 | ELF_SPARC_HWCAP_DES
4911 | ELF_SPARC_HWCAP_KASUMI
4912 | ELF_SPARC_HWCAP_CAMELLIA
4913 | ELF_SPARC_HWCAP_MD5
4914 | ELF_SPARC_HWCAP_SHA1
4915 | ELF_SPARC_HWCAP_SHA256
4916 | ELF_SPARC_HWCAP_SHA512
4917 | ELF_SPARC_HWCAP_MPMUL
4918 | ELF_SPARC_HWCAP_MONT
4919 | ELF_SPARC_HWCAP_CRC32C
4920 | ELF_SPARC_HWCAP_CBCOND
4921 | ELF_SPARC_HWCAP_PAUSE
);
4922 unsigned int v9v_hwcaps_mask
= (ELF_SPARC_HWCAP_FJFMAU
4923 | ELF_SPARC_HWCAP_IMA
);
4924 unsigned int v9m_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC5
4925 | ELF_SPARC_HWCAP2_MWAIT
4926 | ELF_SPARC_HWCAP2_XMPMUL
4927 | ELF_SPARC_HWCAP2_XMONT
);
4928 unsigned int m8_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC6
4929 | ELF_SPARC_HWCAP2_ONADDSUB
4930 | ELF_SPARC_HWCAP2_ONMUL
4931 | ELF_SPARC_HWCAP2_ONDIV
4932 | ELF_SPARC_HWCAP2_DICTUNP
4933 | ELF_SPARC_HWCAP2_FPCMPSHL
4934 | ELF_SPARC_HWCAP2_RLE
4935 | ELF_SPARC_HWCAP2_SHA3
);
4937 if (ABI_64_P (abfd
))
4939 unsigned long mach
= bfd_mach_sparc_v9
;
4941 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4942 mach
= bfd_mach_sparc_v9m8
;
4943 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4944 mach
= bfd_mach_sparc_v9m
;
4945 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4946 mach
= bfd_mach_sparc_v9v
;
4947 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4948 mach
= bfd_mach_sparc_v9e
;
4949 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4950 mach
= bfd_mach_sparc_v9d
;
4951 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4952 mach
= bfd_mach_sparc_v9c
;
4953 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4954 mach
= bfd_mach_sparc_v9b
;
4955 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4956 mach
= bfd_mach_sparc_v9a
;
4957 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
4961 if (elf_elfheader (abfd
)->e_machine
== EM_SPARC32PLUS
)
4963 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4964 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4965 bfd_mach_sparc_v8plusm8
);
4966 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4967 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4968 bfd_mach_sparc_v8plusm
);
4969 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4970 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4971 bfd_mach_sparc_v8plusv
);
4972 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4973 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4974 bfd_mach_sparc_v8pluse
);
4975 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4976 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4977 bfd_mach_sparc_v8plusd
);
4978 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4979 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4980 bfd_mach_sparc_v8plusc
);
4981 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4982 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4983 bfd_mach_sparc_v8plusb
);
4984 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4985 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4986 bfd_mach_sparc_v8plusa
);
4987 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_32PLUS
)
4988 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4989 bfd_mach_sparc_v8plus
);
4993 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_LEDATA
)
4994 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4995 bfd_mach_sparc_sparclite_le
);
4997 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
5001 /* Return address for Ith PLT stub in section PLT, for relocation REL
5002 or (bfd_vma) -1 if it should not be included. */
5005 _bfd_sparc_elf_plt_sym_val (bfd_vma i
, const asection
*plt
, const arelent
*rel
)
5007 if (ABI_64_P (plt
->owner
))
5011 i
+= PLT64_HEADER_SIZE
/ PLT64_ENTRY_SIZE
;
5012 if (i
< PLT64_LARGE_THRESHOLD
)
5013 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
;
5015 j
= (i
- PLT64_LARGE_THRESHOLD
) % 160;
5017 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
+ j
* 4 * 6;
5020 return rel
->address
;
5023 /* Merge backend specific data from an object file to the output
5024 object file when linking. */
5027 _bfd_sparc_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
5029 bfd
*obfd
= info
->output_bfd
;
5030 obj_attribute
*in_attr
, *in_attrs
;
5031 obj_attribute
*out_attr
, *out_attrs
;
5033 if (!elf_known_obj_attributes_proc (obfd
)[0].i
)
5035 /* This is the first object. Copy the attributes. */
5036 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
5038 /* Use the Tag_null value to indicate the attributes have been
5040 elf_known_obj_attributes_proc (obfd
)[0].i
= 1;
5045 in_attrs
= elf_known_obj_attributes (ibfd
)[OBJ_ATTR_GNU
];
5046 out_attrs
= elf_known_obj_attributes (obfd
)[OBJ_ATTR_GNU
];
5048 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS
];
5049 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS
];
5051 out_attr
->i
|= in_attr
->i
;
5054 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS2
];
5055 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS2
];
5057 out_attr
->i
|= in_attr
->i
;
5060 /* Merge Tag_compatibility attributes and any common GNU ones. */
5061 _bfd_elf_merge_object_attributes (ibfd
, info
);