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_pic (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
;
1478 /* PR15323, ref flags aren't set for references in the same
1480 h
->root
.non_ir_ref_regular
= 1;
1483 if (h
&& h
->type
== STT_GNU_IFUNC
)
1488 h
->plt
.refcount
+= 1;
1492 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1493 with R_SPARC_TLS_GD_HI22. */
1494 if (! ABI_64_P (abfd
) && ! checked_tlsgd
)
1497 case R_SPARC_TLS_GD_HI22
:
1499 const Elf_Internal_Rela
*relt
;
1501 for (relt
= rel
+ 1; relt
< rel_end
; relt
++)
1502 if (ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_LO10
1503 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_ADD
1504 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_CALL
)
1506 checked_tlsgd
= TRUE
;
1507 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= relt
< rel_end
;
1510 case R_SPARC_TLS_GD_LO10
:
1511 case R_SPARC_TLS_GD_ADD
:
1512 case R_SPARC_TLS_GD_CALL
:
1513 checked_tlsgd
= TRUE
;
1514 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= TRUE
;
1518 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
1519 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1523 case R_SPARC_TLS_LDM_HI22
:
1524 case R_SPARC_TLS_LDM_LO10
:
1525 htab
->tls_ldm_got
.refcount
+= 1;
1527 eh
->has_got_reloc
= 1;
1530 case R_SPARC_TLS_LE_HIX22
:
1531 case R_SPARC_TLS_LE_LOX10
:
1532 if (bfd_link_pic (info
))
1536 case R_SPARC_TLS_IE_HI22
:
1537 case R_SPARC_TLS_IE_LO10
:
1538 if (bfd_link_pic (info
))
1539 info
->flags
|= DF_STATIC_TLS
;
1545 case R_SPARC_GOTDATA_HIX22
:
1546 case R_SPARC_GOTDATA_LOX10
:
1547 case R_SPARC_GOTDATA_OP_HIX22
:
1548 case R_SPARC_GOTDATA_OP_LOX10
:
1549 case R_SPARC_TLS_GD_HI22
:
1550 case R_SPARC_TLS_GD_LO10
:
1551 /* This symbol requires a global offset table entry. */
1553 int tls_type
, old_tls_type
;
1561 case R_SPARC_GOTDATA_OP_HIX22
:
1562 case R_SPARC_GOTDATA_OP_LOX10
:
1563 tls_type
= GOT_NORMAL
;
1565 case R_SPARC_TLS_GD_HI22
:
1566 case R_SPARC_TLS_GD_LO10
:
1567 tls_type
= GOT_TLS_GD
;
1569 case R_SPARC_TLS_IE_HI22
:
1570 case R_SPARC_TLS_IE_LO10
:
1571 tls_type
= GOT_TLS_IE
;
1577 h
->got
.refcount
+= 1;
1578 old_tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
1582 bfd_signed_vma
*local_got_refcounts
;
1584 /* This is a global offset table entry for a local symbol. */
1585 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1586 if (local_got_refcounts
== NULL
)
1590 size
= symtab_hdr
->sh_info
;
1591 size
*= (sizeof (bfd_signed_vma
) + sizeof(char));
1592 local_got_refcounts
= ((bfd_signed_vma
*)
1593 bfd_zalloc (abfd
, size
));
1594 if (local_got_refcounts
== NULL
)
1596 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
1597 _bfd_sparc_elf_local_got_tls_type (abfd
)
1598 = (char *) (local_got_refcounts
+ symtab_hdr
->sh_info
);
1602 case R_SPARC_GOTDATA_OP_HIX22
:
1603 case R_SPARC_GOTDATA_OP_LOX10
:
1607 local_got_refcounts
[r_symndx
] += 1;
1610 old_tls_type
= _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
];
1613 /* If a TLS symbol is accessed using IE at least once,
1614 there is no point to use dynamic model for it. */
1615 if (old_tls_type
!= tls_type
&& old_tls_type
!= GOT_UNKNOWN
1616 && (old_tls_type
!= GOT_TLS_GD
1617 || tls_type
!= GOT_TLS_IE
))
1619 if (old_tls_type
== GOT_TLS_IE
&& tls_type
== GOT_TLS_GD
)
1620 tls_type
= old_tls_type
;
1624 /* xgettext:c-format */
1625 (_("%B: `%s' accessed both as normal and thread local symbol"),
1626 abfd
, h
? h
->root
.root
.string
: "<local>");
1631 if (old_tls_type
!= tls_type
)
1634 _bfd_sparc_elf_hash_entry (h
)->tls_type
= tls_type
;
1636 _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
] = tls_type
;
1640 if (htab
->elf
.sgot
== NULL
)
1642 if (!_bfd_elf_create_got_section (htab
->elf
.dynobj
, info
))
1647 eh
->has_got_reloc
= 1;
1650 case R_SPARC_TLS_GD_CALL
:
1651 case R_SPARC_TLS_LDM_CALL
:
1652 if (bfd_link_pic (info
))
1654 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1656 struct bfd_link_hash_entry
*bh
= NULL
;
1657 if (! _bfd_generic_link_add_one_symbol (info
, abfd
,
1658 "__tls_get_addr", 0,
1659 bfd_und_section_ptr
, 0,
1663 h
= (struct elf_link_hash_entry
*) bh
;
1670 case R_SPARC_WPLT30
:
1671 case R_SPARC_HIPLT22
:
1672 case R_SPARC_LOPLT10
:
1673 case R_SPARC_PCPLT32
:
1674 case R_SPARC_PCPLT22
:
1675 case R_SPARC_PCPLT10
:
1677 /* This symbol requires a procedure linkage table entry. We
1678 actually build the entry in adjust_dynamic_symbol,
1679 because this might be a case of linking PIC code without
1680 linking in any dynamic objects, in which case we don't
1681 need to generate a procedure linkage table after all. */
1685 if (! ABI_64_P (abfd
))
1687 /* The Solaris native assembler will generate a WPLT30
1688 reloc for a local symbol if you assemble a call from
1689 one section to another when using -K pic. We treat
1691 if (ELF32_R_TYPE (rel
->r_info
) == R_SPARC_PLT32
)
1695 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1696 else if (r_type
== R_SPARC_WPLT30
)
1699 /* It does not make sense to have a procedure linkage
1700 table entry for a local symbol. */
1701 bfd_set_error (bfd_error_bad_value
);
1710 this_r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1711 if (this_r_type
== R_SPARC_PLT32
1712 || this_r_type
== R_SPARC_PLT64
)
1715 h
->plt
.refcount
+= 1;
1717 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1718 eh
->has_got_reloc
= 1;
1723 case R_SPARC_PC_HH22
:
1724 case R_SPARC_PC_HM10
:
1725 case R_SPARC_PC_LM22
:
1730 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1735 case R_SPARC_DISP16
:
1736 case R_SPARC_DISP32
:
1737 case R_SPARC_DISP64
:
1738 case R_SPARC_WDISP30
:
1739 case R_SPARC_WDISP22
:
1740 case R_SPARC_WDISP19
:
1741 case R_SPARC_WDISP16
:
1742 case R_SPARC_WDISP10
:
1772 if (eh
!= NULL
&& (sec
->flags
& SEC_CODE
) != 0)
1773 eh
->has_non_got_reloc
= 1;
1776 if (h
!= NULL
&& !bfd_link_pic (info
))
1778 /* We may need a .plt entry if the function this reloc
1779 refers to is in a shared lib. */
1780 h
->plt
.refcount
+= 1;
1783 /* If we are creating a shared library, and this is a reloc
1784 against a global symbol, or a non PC relative reloc
1785 against a local symbol, then we need to copy the reloc
1786 into the shared library. However, if we are linking with
1787 -Bsymbolic, we do not need to copy a reloc against a
1788 global symbol which is defined in an object we are
1789 including in the link (i.e., DEF_REGULAR is set). At
1790 this point we have not seen all the input files, so it is
1791 possible that DEF_REGULAR is not set now but will be set
1792 later (it is never cleared). In case of a weak definition,
1793 DEF_REGULAR may be cleared later by a strong definition in
1794 a shared library. We account for that possibility below by
1795 storing information in the relocs_copied field of the hash
1796 table entry. A similar situation occurs when creating
1797 shared libraries and symbol visibility changes render the
1800 If on the other hand, we are creating an executable, we
1801 may need to keep relocations for symbols satisfied by a
1802 dynamic library if we manage to avoid copy relocs for the
1804 if ((bfd_link_pic (info
)
1805 && (sec
->flags
& SEC_ALLOC
) != 0
1806 && (! _bfd_sparc_elf_howto_table
[r_type
].pc_relative
1808 && (! SYMBOLIC_BIND (info
, h
)
1809 || h
->root
.type
== bfd_link_hash_defweak
1810 || !h
->def_regular
))))
1811 || (!bfd_link_pic (info
)
1812 && (sec
->flags
& SEC_ALLOC
) != 0
1814 && (h
->root
.type
== bfd_link_hash_defweak
1815 || !h
->def_regular
))
1816 || (!bfd_link_pic (info
)
1818 && h
->type
== STT_GNU_IFUNC
))
1820 struct _bfd_sparc_elf_dyn_relocs
*p
;
1821 struct _bfd_sparc_elf_dyn_relocs
**head
;
1823 /* When creating a shared object, we must copy these
1824 relocs into the output file. We create a reloc
1825 section in dynobj and make room for the reloc. */
1828 sreloc
= _bfd_elf_make_dynamic_reloc_section
1829 (sec
, htab
->elf
.dynobj
, htab
->word_align_power
,
1830 abfd
, /*rela?*/ TRUE
);
1836 /* If this is a global symbol, we count the number of
1837 relocations we need for this symbol. */
1839 head
= &((struct _bfd_sparc_elf_link_hash_entry
*) h
)->dyn_relocs
;
1842 /* Track dynamic relocs needed for local syms too.
1843 We really need local syms available to do this
1848 BFD_ASSERT (isym
!= NULL
);
1849 s
= bfd_section_from_elf_index (abfd
, isym
->st_shndx
);
1853 vpp
= &elf_section_data (s
)->local_dynrel
;
1854 head
= (struct _bfd_sparc_elf_dyn_relocs
**) vpp
;
1858 if (p
== NULL
|| p
->sec
!= sec
)
1860 bfd_size_type amt
= sizeof *p
;
1861 p
= ((struct _bfd_sparc_elf_dyn_relocs
*)
1862 bfd_alloc (htab
->elf
.dynobj
, amt
));
1873 if (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
)
1879 case R_SPARC_GNU_VTINHERIT
:
1880 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
1884 case R_SPARC_GNU_VTENTRY
:
1885 BFD_ASSERT (h
!= NULL
);
1887 && !bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
1891 case R_SPARC_REGISTER
:
1892 /* Nothing to do. */
1904 _bfd_sparc_elf_gc_mark_hook (asection
*sec
,
1905 struct bfd_link_info
*info
,
1906 Elf_Internal_Rela
*rel
,
1907 struct elf_link_hash_entry
*h
,
1908 Elf_Internal_Sym
*sym
)
1911 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1913 case R_SPARC_GNU_VTINHERIT
:
1914 case R_SPARC_GNU_VTENTRY
:
1918 /* FIXME: The test here, in check_relocs and in relocate_section
1919 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
1920 if (bfd_link_pic (info
))
1922 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1924 case R_SPARC_TLS_GD_CALL
:
1925 case R_SPARC_TLS_LDM_CALL
:
1926 /* This reloc implicitly references __tls_get_addr. We know
1927 another reloc will reference the same symbol as the one
1928 on this reloc, so the real symbol and section will be
1929 gc marked when processing the other reloc. That lets
1930 us handle __tls_get_addr here. */
1931 h
= elf_link_hash_lookup (elf_hash_table (info
), "__tls_get_addr",
1932 FALSE
, FALSE
, TRUE
);
1933 BFD_ASSERT (h
!= NULL
);
1935 if (h
->u
.weakdef
!= NULL
)
1936 h
->u
.weakdef
->mark
= 1;
1941 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
1944 static Elf_Internal_Rela
*
1945 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela
*rel
,
1946 Elf_Internal_Rela
*relend
,
1949 while (rel
< relend
)
1951 if (rel
->r_offset
== offset
)
1958 /* Update the got entry reference counts for the section being removed. */
1960 _bfd_sparc_elf_gc_sweep_hook (bfd
*abfd
, struct bfd_link_info
*info
,
1961 asection
*sec
, const Elf_Internal_Rela
*relocs
)
1963 struct _bfd_sparc_elf_link_hash_table
*htab
;
1964 Elf_Internal_Shdr
*symtab_hdr
;
1965 struct elf_link_hash_entry
**sym_hashes
;
1966 bfd_signed_vma
*local_got_refcounts
;
1967 const Elf_Internal_Rela
*rel
, *relend
;
1969 if (bfd_link_relocatable (info
))
1972 BFD_ASSERT (is_sparc_elf (abfd
) || sec
->reloc_count
== 0);
1974 elf_section_data (sec
)->local_dynrel
= NULL
;
1976 htab
= _bfd_sparc_elf_hash_table (info
);
1977 BFD_ASSERT (htab
!= NULL
);
1978 symtab_hdr
= &elf_symtab_hdr (abfd
);
1979 sym_hashes
= elf_sym_hashes (abfd
);
1980 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1982 relend
= relocs
+ sec
->reloc_count
;
1983 for (rel
= relocs
; rel
< relend
; rel
++)
1985 unsigned long r_symndx
;
1986 unsigned int r_type
;
1987 struct elf_link_hash_entry
*h
= NULL
;
1989 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1990 if (r_symndx
>= symtab_hdr
->sh_info
)
1992 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1993 struct _bfd_sparc_elf_dyn_relocs
**pp
;
1994 struct _bfd_sparc_elf_dyn_relocs
*p
;
1996 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1997 while (h
->root
.type
== bfd_link_hash_indirect
1998 || h
->root
.type
== bfd_link_hash_warning
)
1999 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
2000 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2001 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; pp
= &p
->next
)
2004 /* Everything must go for SEC. */
2010 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
2011 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
2014 case R_SPARC_TLS_LDM_HI22
:
2015 case R_SPARC_TLS_LDM_LO10
:
2016 if (_bfd_sparc_elf_hash_table (info
)->tls_ldm_got
.refcount
> 0)
2017 _bfd_sparc_elf_hash_table (info
)->tls_ldm_got
.refcount
-= 1;
2020 case R_SPARC_TLS_GD_HI22
:
2021 case R_SPARC_TLS_GD_LO10
:
2022 case R_SPARC_TLS_IE_HI22
:
2023 case R_SPARC_TLS_IE_LO10
:
2027 case R_SPARC_GOTDATA_HIX22
:
2028 case R_SPARC_GOTDATA_LOX10
:
2029 case R_SPARC_GOTDATA_OP_HIX22
:
2030 case R_SPARC_GOTDATA_OP_LOX10
:
2033 if (h
->got
.refcount
> 0)
2040 case R_SPARC_GOTDATA_OP_HIX22
:
2041 case R_SPARC_GOTDATA_OP_LOX10
:
2045 if (local_got_refcounts
[r_symndx
] > 0)
2046 local_got_refcounts
[r_symndx
]--;
2054 case R_SPARC_PC_HH22
:
2055 case R_SPARC_PC_HM10
:
2056 case R_SPARC_PC_LM22
:
2058 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
2063 case R_SPARC_DISP16
:
2064 case R_SPARC_DISP32
:
2065 case R_SPARC_DISP64
:
2066 case R_SPARC_WDISP30
:
2067 case R_SPARC_WDISP22
:
2068 case R_SPARC_WDISP19
:
2069 case R_SPARC_WDISP16
:
2070 case R_SPARC_WDISP10
:
2098 if (bfd_link_pic (info
))
2102 case R_SPARC_WPLT30
:
2105 if (h
->plt
.refcount
> 0)
2118 /* Remove undefined weak symbol from the dynamic symbol table if it
2119 is resolved to 0. */
2122 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info
*info
,
2123 struct elf_link_hash_entry
*h
)
2125 if (h
->dynindx
!= -1
2126 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
,
2127 _bfd_sparc_elf_hash_entry (h
)))
2130 _bfd_elf_strtab_delref (elf_hash_table (info
)->dynstr
,
2136 /* Adjust a symbol defined by a dynamic object and referenced by a
2137 regular object. The current definition is in some section of the
2138 dynamic object, but we're not including those sections. We have to
2139 change the definition to something the rest of the link can
2143 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info
*info
,
2144 struct elf_link_hash_entry
*h
)
2146 struct _bfd_sparc_elf_link_hash_table
*htab
;
2147 struct _bfd_sparc_elf_link_hash_entry
* eh
;
2148 struct _bfd_sparc_elf_dyn_relocs
*p
;
2151 htab
= _bfd_sparc_elf_hash_table (info
);
2152 BFD_ASSERT (htab
!= NULL
);
2154 /* Make sure we know what is going on here. */
2155 BFD_ASSERT (htab
->elf
.dynobj
!= NULL
2157 || h
->type
== STT_GNU_IFUNC
2158 || h
->u
.weakdef
!= NULL
2161 && !h
->def_regular
)));
2163 /* If this is a function, put it in the procedure linkage table. We
2164 will fill in the contents of the procedure linkage table later
2165 (although we could actually do it here). The STT_NOTYPE
2166 condition is a hack specifically for the Oracle libraries
2167 delivered for Solaris; for some inexplicable reason, they define
2168 some of their functions as STT_NOTYPE when they really should be
2170 if (h
->type
== STT_FUNC
2171 || h
->type
== STT_GNU_IFUNC
2173 || (h
->type
== STT_NOTYPE
2174 && (h
->root
.type
== bfd_link_hash_defined
2175 || h
->root
.type
== bfd_link_hash_defweak
)
2176 && (h
->root
.u
.def
.section
->flags
& SEC_CODE
) != 0))
2178 if (h
->plt
.refcount
<= 0
2179 || (h
->type
!= STT_GNU_IFUNC
2180 && (SYMBOL_CALLS_LOCAL (info
, h
)
2181 || (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2182 && h
->root
.type
== bfd_link_hash_undefweak
))))
2184 /* This case can occur if we saw a WPLT30 reloc in an input
2185 file, but the symbol was never referred to by a dynamic
2186 object, or if all references were garbage collected. In
2187 such a case, we don't actually need to build a procedure
2188 linkage table, and we can just do a WDISP30 reloc instead. */
2189 h
->plt
.offset
= (bfd_vma
) -1;
2196 h
->plt
.offset
= (bfd_vma
) -1;
2198 /* If this is a weak symbol, and there is a real definition, the
2199 processor independent code will have arranged for us to see the
2200 real definition first, and we can just use the same value. */
2201 if (h
->u
.weakdef
!= NULL
)
2203 BFD_ASSERT (h
->u
.weakdef
->root
.type
== bfd_link_hash_defined
2204 || h
->u
.weakdef
->root
.type
== bfd_link_hash_defweak
);
2205 h
->root
.u
.def
.section
= h
->u
.weakdef
->root
.u
.def
.section
;
2206 h
->root
.u
.def
.value
= h
->u
.weakdef
->root
.u
.def
.value
;
2210 /* This is a reference to a symbol defined by a dynamic object which
2211 is not a function. */
2213 /* If we are creating a shared library, we must presume that the
2214 only references to the symbol are via the global offset table.
2215 For such cases we need not do anything here; the relocations will
2216 be handled correctly by relocate_section. */
2217 if (bfd_link_pic (info
))
2220 /* If there are no references to this symbol that do not use the
2221 GOT, we don't need to generate a copy reloc. */
2222 if (!h
->non_got_ref
)
2225 /* If -z nocopyreloc was given, we won't generate them either. */
2226 if (info
->nocopyreloc
)
2232 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2233 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2235 s
= p
->sec
->output_section
;
2236 if (s
!= NULL
&& (s
->flags
& SEC_READONLY
) != 0)
2240 /* If we didn't find any dynamic relocs in read-only sections, then
2241 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2248 /* We must allocate the symbol in our .dynbss section, which will
2249 become part of the .bss section of the executable. There will be
2250 an entry for this symbol in the .dynsym section. The dynamic
2251 object will contain position independent code, so all references
2252 from the dynamic object to this symbol will go through the global
2253 offset table. The dynamic linker will use the .dynsym entry to
2254 determine the address it must put in the global offset table, so
2255 both the dynamic object and the regular object will refer to the
2256 same memory location for the variable. */
2258 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2259 to copy the initial value out of the dynamic object and into the
2260 runtime process image. We need to remember the offset into the
2261 .rel.bss section we are going to use. */
2262 if ((h
->root
.u
.def
.section
->flags
& SEC_READONLY
) != 0)
2264 s
= htab
->elf
.sdynrelro
;
2265 srel
= htab
->elf
.sreldynrelro
;
2269 s
= htab
->elf
.sdynbss
;
2270 srel
= htab
->elf
.srelbss
;
2272 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0 && h
->size
!= 0)
2274 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2278 return _bfd_elf_adjust_dynamic_copy (info
, h
, s
);
2281 /* Allocate space in .plt, .got and associated reloc sections for
2285 allocate_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2287 struct bfd_link_info
*info
;
2288 struct _bfd_sparc_elf_link_hash_table
*htab
;
2289 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2290 struct _bfd_sparc_elf_dyn_relocs
*p
;
2291 bfd_boolean resolved_to_zero
;
2293 if (h
->root
.type
== bfd_link_hash_indirect
)
2296 info
= (struct bfd_link_info
*) inf
;
2297 htab
= _bfd_sparc_elf_hash_table (info
);
2298 BFD_ASSERT (htab
!= NULL
);
2300 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2301 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
2303 if ((htab
->elf
.dynamic_sections_created
2304 && h
->plt
.refcount
> 0)
2305 || (h
->type
== STT_GNU_IFUNC
2309 /* Make sure this symbol is output as a dynamic symbol.
2310 Undefined weak syms won't yet be marked as dynamic. */
2311 if (h
->dynindx
== -1
2313 && !resolved_to_zero
2314 && h
->root
.type
== bfd_link_hash_undefweak
)
2316 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2320 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info
), h
)
2321 || (h
->type
== STT_GNU_IFUNC
2324 asection
*s
= htab
->elf
.splt
;
2329 /* Allocate room for the header. */
2332 s
->size
= htab
->plt_header_size
;
2334 /* Allocate space for the .rela.plt.unloaded relocations. */
2335 if (htab
->is_vxworks
&& !bfd_link_pic (info
))
2336 htab
->srelplt2
->size
= sizeof (Elf32_External_Rela
) * 2;
2339 /* The procedure linkage table size is bounded by the magnitude
2340 of the offset we can describe in the entry. */
2341 if (s
->size
>= (SPARC_ELF_WORD_BYTES(htab
) == 8 ?
2342 (((bfd_vma
)1 << 31) << 1) : 0x400000))
2344 bfd_set_error (bfd_error_bad_value
);
2348 if (SPARC_ELF_WORD_BYTES(htab
) == 8
2349 && s
->size
>= PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
2351 bfd_vma off
= s
->size
- PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
;
2354 off
= (off
% (160 * PLT64_ENTRY_SIZE
)) / PLT64_ENTRY_SIZE
;
2356 h
->plt
.offset
= (s
->size
- (off
* 8));
2359 h
->plt
.offset
= s
->size
;
2361 /* If this symbol is not defined in a regular file, and we are
2362 not generating a shared library, then set the symbol to this
2363 location in the .plt. This is required to make function
2364 pointers compare as equal between the normal executable and
2365 the shared library. */
2366 if (! bfd_link_pic (info
)
2369 h
->root
.u
.def
.section
= s
;
2370 h
->root
.u
.def
.value
= h
->plt
.offset
;
2373 /* Make room for this entry. */
2374 s
->size
+= htab
->plt_entry_size
;
2376 /* There should be no PLT relocations against resolved undefined
2377 weak symbols in the executable. */
2378 if (!resolved_to_zero
)
2380 /* We also need to make an entry in the .rela.plt section. */
2381 if (s
== htab
->elf
.splt
)
2382 htab
->elf
.srelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2384 htab
->elf
.irelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2387 if (htab
->is_vxworks
)
2389 /* Allocate space for the .got.plt entry. */
2390 htab
->elf
.sgotplt
->size
+= 4;
2392 /* ...and for the .rela.plt.unloaded relocations. */
2393 if (!bfd_link_pic (info
))
2394 htab
->srelplt2
->size
+= sizeof (Elf32_External_Rela
) * 3;
2399 h
->plt
.offset
= (bfd_vma
) -1;
2405 h
->plt
.offset
= (bfd_vma
) -1;
2409 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2410 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2411 if (h
->got
.refcount
> 0
2412 && !bfd_link_pic (info
)
2414 && _bfd_sparc_elf_hash_entry(h
)->tls_type
== GOT_TLS_IE
)
2415 h
->got
.offset
= (bfd_vma
) -1;
2416 else if (h
->got
.refcount
> 0)
2420 int tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
2422 /* Make sure this symbol is output as a dynamic symbol.
2423 Undefined weak syms won't yet be marked as dynamic. */
2424 if (h
->dynindx
== -1
2426 && !resolved_to_zero
2427 && h
->root
.type
== bfd_link_hash_undefweak
)
2429 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2434 h
->got
.offset
= s
->size
;
2435 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2436 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2437 if (tls_type
== GOT_TLS_GD
)
2438 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2439 dyn
= htab
->elf
.dynamic_sections_created
;
2440 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2441 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2442 global. No dynamic relocations are needed against resolved
2443 undefined weak symbols in an executable. */
2444 if ((tls_type
== GOT_TLS_GD
&& h
->dynindx
== -1)
2445 || tls_type
== GOT_TLS_IE
2446 || h
->type
== STT_GNU_IFUNC
)
2447 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2448 else if (tls_type
== GOT_TLS_GD
)
2449 htab
->elf
.srelgot
->size
+= 2 * SPARC_ELF_RELA_BYTES (htab
);
2450 else if (((ELF_ST_VISIBILITY (h
->other
) == STV_DEFAULT
2451 && !resolved_to_zero
)
2452 || h
->root
.type
!= bfd_link_hash_undefweak
)
2453 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
2454 bfd_link_pic (info
),
2456 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2459 h
->got
.offset
= (bfd_vma
) -1;
2461 if (eh
->dyn_relocs
== NULL
)
2464 /* In the shared -Bsymbolic case, discard space allocated for
2465 dynamic pc-relative relocs against symbols which turn out to be
2466 defined in regular objects. For the normal shared case, discard
2467 space for pc-relative relocs that have become local due to symbol
2468 visibility changes. */
2470 if (bfd_link_pic (info
))
2472 if (SYMBOL_CALLS_LOCAL (info
, h
))
2474 struct _bfd_sparc_elf_dyn_relocs
**pp
;
2476 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2478 p
->count
-= p
->pc_count
;
2487 if (htab
->is_vxworks
)
2489 struct _bfd_sparc_elf_dyn_relocs
**pp
;
2491 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2493 if (strcmp (p
->sec
->output_section
->name
, ".tls_vars") == 0)
2500 /* Also discard relocs on undefined weak syms with non-default
2501 visibility or in PIE. */
2502 if (eh
->dyn_relocs
!= NULL
2503 && h
->root
.type
== bfd_link_hash_undefweak
)
2505 /* An undefined weak symbol is never
2506 bound locally in a shared library. */
2508 if (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2509 || resolved_to_zero
)
2513 /* Keep dynamic non-GOT/non-PLT relocation so that we
2514 can branch to 0 without PLT. */
2515 struct _bfd_sparc_elf_dyn_relocs
**pp
;
2517 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
;)
2518 if (p
->pc_count
== 0)
2522 /* Remove other relocations. */
2523 p
->count
= p
->pc_count
;
2527 if (eh
->dyn_relocs
!= NULL
)
2529 /* Make sure undefined weak symbols are output
2530 as dynamic symbols in PIEs for dynamic non-GOT
2531 non-PLT reloations. */
2532 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2537 eh
->dyn_relocs
= NULL
;
2540 /* Make sure undefined weak symbols are output as a dynamic
2542 else if (h
->dynindx
== -1
2543 && !h
->forced_local
)
2545 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2552 /* For the non-shared case, discard space for relocs against
2553 symbols which turn out to need copy relocs or are not
2556 if ((!h
->non_got_ref
2557 || (h
->root
.type
== bfd_link_hash_undefweak
2558 && !resolved_to_zero
))
2561 || (htab
->elf
.dynamic_sections_created
2562 && (h
->root
.type
== bfd_link_hash_undefweak
2563 || h
->root
.type
== bfd_link_hash_undefined
))))
2565 /* Make sure this symbol is output as a dynamic symbol.
2566 Undefined weak syms won't yet be marked as dynamic. */
2567 if (h
->dynindx
== -1
2569 && !resolved_to_zero
2570 && h
->root
.type
== bfd_link_hash_undefweak
)
2572 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2576 /* If that succeeded, we know we'll be keeping all the
2578 if (h
->dynindx
!= -1)
2582 eh
->dyn_relocs
= NULL
;
2587 /* Finally, allocate space. */
2588 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2590 asection
*sreloc
= elf_section_data (p
->sec
)->sreloc
;
2591 sreloc
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2597 /* Allocate space in .plt, .got and associated reloc sections for
2598 local dynamic relocs. */
2601 allocate_local_dynrelocs (void **slot
, void *inf
)
2603 struct elf_link_hash_entry
*h
2604 = (struct elf_link_hash_entry
*) *slot
;
2606 if (h
->type
!= STT_GNU_IFUNC
2610 || h
->root
.type
!= bfd_link_hash_defined
)
2613 return allocate_dynrelocs (h
, inf
);
2616 /* Find any dynamic relocs that apply to read-only sections. */
2619 readonly_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2621 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2622 struct _bfd_sparc_elf_dyn_relocs
*p
;
2624 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2625 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2627 asection
*s
= p
->sec
->output_section
;
2629 if (s
!= NULL
&& (s
->flags
& SEC_READONLY
) != 0)
2631 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
2633 info
->flags
|= DF_TEXTREL
;
2635 info
->callbacks
->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
2636 p
->sec
->owner
, p
->sec
);
2638 /* Not an error, just cut short the traversal. */
2645 /* Return true if the dynamic symbol for a given section should be
2646 omitted when creating a shared library. */
2649 _bfd_sparc_elf_omit_section_dynsym (bfd
*output_bfd
,
2650 struct bfd_link_info
*info
,
2653 /* We keep the .got section symbol so that explicit relocations
2654 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2655 can be turned into relocations against the .got symbol. */
2656 if (strcmp (p
->name
, ".got") == 0)
2659 return _bfd_elf_link_omit_section_dynsym (output_bfd
, info
, p
);
2662 /* Set the sizes of the dynamic sections. */
2665 _bfd_sparc_elf_size_dynamic_sections (bfd
*output_bfd
,
2666 struct bfd_link_info
*info
)
2668 struct _bfd_sparc_elf_link_hash_table
*htab
;
2673 htab
= _bfd_sparc_elf_hash_table (info
);
2674 BFD_ASSERT (htab
!= NULL
);
2675 dynobj
= htab
->elf
.dynobj
;
2676 BFD_ASSERT (dynobj
!= NULL
);
2678 if (elf_hash_table (info
)->dynamic_sections_created
)
2680 /* Set the contents of the .interp section to the interpreter. */
2681 if (bfd_link_executable (info
) && !info
->nointerp
)
2683 s
= bfd_get_linker_section (dynobj
, ".interp");
2684 BFD_ASSERT (s
!= NULL
);
2685 s
->size
= htab
->dynamic_interpreter_size
;
2686 s
->contents
= (unsigned char *) htab
->dynamic_interpreter
;
2691 /* Set up .got offsets for local syms, and space for local dynamic
2693 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2695 bfd_signed_vma
*local_got
;
2696 bfd_signed_vma
*end_local_got
;
2697 char *local_tls_type
;
2698 bfd_size_type locsymcount
;
2699 Elf_Internal_Shdr
*symtab_hdr
;
2702 if (! is_sparc_elf (ibfd
))
2705 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2707 struct _bfd_sparc_elf_dyn_relocs
*p
;
2709 for (p
= elf_section_data (s
)->local_dynrel
; p
!= NULL
; p
= p
->next
)
2711 if (!bfd_is_abs_section (p
->sec
)
2712 && bfd_is_abs_section (p
->sec
->output_section
))
2714 /* Input section has been discarded, either because
2715 it is a copy of a linkonce section or due to
2716 linker script /DISCARD/, so we'll be discarding
2719 else if (htab
->is_vxworks
2720 && strcmp (p
->sec
->output_section
->name
,
2723 /* Relocations in vxworks .tls_vars sections are
2724 handled specially by the loader. */
2726 else if (p
->count
!= 0)
2728 srel
= elf_section_data (p
->sec
)->sreloc
;
2729 if (!htab
->elf
.dynamic_sections_created
)
2730 srel
= htab
->elf
.irelplt
;
2731 srel
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2732 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2734 info
->flags
|= DF_TEXTREL
;
2735 info
->callbacks
->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
2736 p
->sec
->owner
, p
->sec
);
2739 /* Not an error, just cut short the traversal. */
2744 local_got
= elf_local_got_refcounts (ibfd
);
2748 symtab_hdr
= &elf_symtab_hdr (ibfd
);
2749 locsymcount
= symtab_hdr
->sh_info
;
2750 end_local_got
= local_got
+ locsymcount
;
2751 local_tls_type
= _bfd_sparc_elf_local_got_tls_type (ibfd
);
2753 srel
= htab
->elf
.srelgot
;
2754 for (; local_got
< end_local_got
; ++local_got
, ++local_tls_type
)
2758 *local_got
= s
->size
;
2759 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2760 if (*local_tls_type
== GOT_TLS_GD
)
2761 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2762 if (bfd_link_pic (info
)
2763 || *local_tls_type
== GOT_TLS_GD
2764 || *local_tls_type
== GOT_TLS_IE
)
2765 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2768 *local_got
= (bfd_vma
) -1;
2772 if (htab
->tls_ldm_got
.refcount
> 0)
2774 /* Allocate 2 got entries and 1 dynamic reloc for
2775 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2776 htab
->tls_ldm_got
.offset
= htab
->elf
.sgot
->size
;
2777 htab
->elf
.sgot
->size
+= (2 * SPARC_ELF_WORD_BYTES (htab
));
2778 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2781 htab
->tls_ldm_got
.offset
= -1;
2783 /* Allocate global sym .plt and .got entries, and space for global
2784 sym dynamic relocs. */
2785 elf_link_hash_traverse (&htab
->elf
, allocate_dynrelocs
, info
);
2787 /* Allocate .plt and .got entries, and space for local symbols. */
2788 htab_traverse (htab
->loc_hash_table
, allocate_local_dynrelocs
, info
);
2790 if (! ABI_64_P (output_bfd
)
2791 && !htab
->is_vxworks
2792 && elf_hash_table (info
)->dynamic_sections_created
)
2794 /* Make space for the trailing nop in .plt. */
2795 if (htab
->elf
.splt
->size
> 0)
2796 htab
->elf
.splt
->size
+= 1 * SPARC_INSN_BYTES
;
2798 /* If the .got section is more than 0x1000 bytes, we add
2799 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2800 bit relocations have a greater chance of working.
2802 FIXME: Make this optimization work for 64-bit too. */
2803 if (htab
->elf
.sgot
->size
>= 0x1000
2804 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
2805 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
2808 /* The check_relocs and adjust_dynamic_symbol entry points have
2809 determined the sizes of the various dynamic sections. Allocate
2811 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2813 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2816 if (s
== htab
->elf
.splt
2817 || s
== htab
->elf
.sgot
2818 || s
== htab
->elf
.sdynbss
2819 || s
== htab
->elf
.sdynrelro
2820 || s
== htab
->elf
.iplt
2821 || s
== htab
->elf
.sgotplt
)
2823 /* Strip this section if we don't need it; see the
2826 else if (CONST_STRNEQ (s
->name
, ".rela"))
2830 /* We use the reloc_count field as a counter if we need
2831 to copy relocs into the output file. */
2837 /* It's not one of our sections. */
2843 /* If we don't need this section, strip it from the
2844 output file. This is mostly to handle .rela.bss and
2845 .rela.plt. We must create both sections in
2846 create_dynamic_sections, because they must be created
2847 before the linker maps input sections to output
2848 sections. The linker does that before
2849 adjust_dynamic_symbol is called, and it is that
2850 function which decides whether anything needs to go
2851 into these sections. */
2852 s
->flags
|= SEC_EXCLUDE
;
2856 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2859 /* Allocate memory for the section contents. Zero the memory
2860 for the benefit of .rela.plt, which has 4 unused entries
2861 at the beginning, and we don't want garbage. */
2862 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
2863 if (s
->contents
== NULL
)
2867 if (elf_hash_table (info
)->dynamic_sections_created
)
2869 /* Add some entries to the .dynamic section. We fill in the
2870 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2871 must add the entries now so that we get the correct size for
2872 the .dynamic section. The DT_DEBUG entry is filled in by the
2873 dynamic linker and used by the debugger. */
2874 #define add_dynamic_entry(TAG, VAL) \
2875 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2877 if (bfd_link_executable (info
))
2879 if (!add_dynamic_entry (DT_DEBUG
, 0))
2883 if (htab
->elf
.srelplt
->size
!= 0)
2885 if (!add_dynamic_entry (DT_PLTGOT
, 0)
2886 || !add_dynamic_entry (DT_PLTRELSZ
, 0)
2887 || !add_dynamic_entry (DT_PLTREL
, DT_RELA
)
2888 || !add_dynamic_entry (DT_JMPREL
, 0))
2892 if (!add_dynamic_entry (DT_RELA
, 0)
2893 || !add_dynamic_entry (DT_RELASZ
, 0)
2894 || !add_dynamic_entry (DT_RELAENT
,
2895 SPARC_ELF_RELA_BYTES (htab
)))
2898 /* If any dynamic relocs apply to a read-only section,
2899 then we need a DT_TEXTREL entry. */
2900 if ((info
->flags
& DF_TEXTREL
) == 0)
2901 elf_link_hash_traverse (&htab
->elf
, readonly_dynrelocs
, info
);
2903 if (info
->flags
& DF_TEXTREL
)
2905 if (!add_dynamic_entry (DT_TEXTREL
, 0))
2909 if (ABI_64_P (output_bfd
))
2912 struct _bfd_sparc_elf_app_reg
* app_regs
;
2913 struct elf_strtab_hash
*dynstr
;
2914 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
2916 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2917 entries if needed. */
2918 app_regs
= _bfd_sparc_elf_hash_table (info
)->app_regs
;
2919 dynstr
= eht
->dynstr
;
2921 for (reg
= 0; reg
< 4; reg
++)
2922 if (app_regs
[reg
].name
!= NULL
)
2924 struct elf_link_local_dynamic_entry
*entry
, *e
;
2926 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
2929 entry
= (struct elf_link_local_dynamic_entry
*)
2930 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
2934 /* We cheat here a little bit: the symbol will not be local, so we
2935 put it at the end of the dynlocal linked list. We will fix it
2936 later on, as we have to fix other fields anyway. */
2937 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
2938 entry
->isym
.st_size
= 0;
2939 if (*app_regs
[reg
].name
!= '\0')
2941 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
2943 entry
->isym
.st_name
= 0;
2944 entry
->isym
.st_other
= 0;
2945 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
2947 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
2948 entry
->isym
.st_target_internal
= 0;
2950 entry
->input_bfd
= output_bfd
;
2951 entry
->input_indx
= -1;
2953 if (eht
->dynlocal
== NULL
)
2954 eht
->dynlocal
= entry
;
2957 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
2964 if (htab
->is_vxworks
2965 && !elf_vxworks_add_dynamic_entries (output_bfd
, info
))
2968 #undef add_dynamic_entry
2974 _bfd_sparc_elf_new_section_hook (bfd
*abfd
, asection
*sec
)
2976 if (!sec
->used_by_bfd
)
2978 struct _bfd_sparc_elf_section_data
*sdata
;
2979 bfd_size_type amt
= sizeof (*sdata
);
2981 sdata
= bfd_zalloc (abfd
, amt
);
2984 sec
->used_by_bfd
= sdata
;
2987 return _bfd_elf_new_section_hook (abfd
, sec
);
2991 _bfd_sparc_elf_relax_section (bfd
*abfd ATTRIBUTE_UNUSED
,
2992 struct bfd_section
*section
,
2993 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
,
2996 if (bfd_link_relocatable (link_info
))
2997 (*link_info
->callbacks
->einfo
)
2998 (_("%P%F: --relax and -r may not be used together\n"));
3001 sec_do_relax (section
) = 1;
3005 /* Return the base VMA address which should be subtracted from real addresses
3006 when resolving @dtpoff relocation.
3007 This is PT_TLS segment p_vaddr. */
3010 dtpoff_base (struct bfd_link_info
*info
)
3012 /* If tls_sec is NULL, we should have signalled an error already. */
3013 if (elf_hash_table (info
)->tls_sec
== NULL
)
3015 return elf_hash_table (info
)->tls_sec
->vma
;
3018 /* Return the relocation value for @tpoff relocation
3019 if STT_TLS virtual address is ADDRESS. */
3022 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
3024 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
3025 const struct elf_backend_data
*bed
= get_elf_backend_data (info
->output_bfd
);
3026 bfd_vma static_tls_size
;
3028 /* If tls_sec is NULL, we should have signalled an error already. */
3029 if (htab
->tls_sec
== NULL
)
3032 /* Consider special static TLS alignment requirements. */
3033 static_tls_size
= BFD_ALIGN (htab
->tls_size
, bed
->static_tls_alignment
);
3034 return address
- static_tls_size
- htab
->tls_sec
->vma
;
3037 /* Return the relocation value for a %gdop relocation. */
3040 gdopoff (struct bfd_link_info
*info
, bfd_vma address
)
3042 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
3045 got_base
= (htab
->hgot
->root
.u
.def
.value
3046 + htab
->hgot
->root
.u
.def
.section
->output_offset
3047 + htab
->hgot
->root
.u
.def
.section
->output_section
->vma
);
3049 return address
- got_base
;
3052 /* Return whether H is local and its ADDRESS is within 4G of
3053 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
3054 sethi, xor sequence. */
3057 gdop_relative_offset_ok (struct bfd_link_info
*info
,
3058 struct elf_link_hash_entry
*h
,
3059 bfd_vma address ATTRIBUTE_UNUSED
)
3061 if (!SYMBOL_REFERENCES_LOCAL (info
, h
))
3063 /* If H is undefined, ADDRESS will be zero. We can't allow a
3064 relative offset to "zero" when producing PIEs or shared libs.
3065 Note that to get here with an undefined symbol it must also be
3066 hidden or internal visibility. */
3067 if (bfd_link_pic (info
)
3069 && (h
->root
.type
== bfd_link_hash_undefweak
3070 || h
->root
.type
== bfd_link_hash_undefined
))
3073 return gdopoff (info
, address
) + ((bfd_vma
) 1 << 32) < (bfd_vma
) 2 << 32;
3079 /* Relocate a SPARC ELF section. */
3082 _bfd_sparc_elf_relocate_section (bfd
*output_bfd
,
3083 struct bfd_link_info
*info
,
3085 asection
*input_section
,
3087 Elf_Internal_Rela
*relocs
,
3088 Elf_Internal_Sym
*local_syms
,
3089 asection
**local_sections
)
3091 struct _bfd_sparc_elf_link_hash_table
*htab
;
3092 Elf_Internal_Shdr
*symtab_hdr
;
3093 struct elf_link_hash_entry
**sym_hashes
;
3094 bfd_vma
*local_got_offsets
;
3097 Elf_Internal_Rela
*rel
;
3098 Elf_Internal_Rela
*relend
;
3100 bfd_boolean is_vxworks_tls
;
3102 htab
= _bfd_sparc_elf_hash_table (info
);
3103 BFD_ASSERT (htab
!= NULL
);
3104 symtab_hdr
= &elf_symtab_hdr (input_bfd
);
3105 sym_hashes
= elf_sym_hashes (input_bfd
);
3106 local_got_offsets
= elf_local_got_offsets (input_bfd
);
3108 if (elf_hash_table (info
)->hgot
== NULL
)
3111 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
3113 sreloc
= elf_section_data (input_section
)->sreloc
;
3114 /* We have to handle relocations in vxworks .tls_vars sections
3115 specially, because the dynamic loader is 'weird'. */
3116 is_vxworks_tls
= (htab
->is_vxworks
&& bfd_link_pic (info
)
3117 && !strcmp (input_section
->output_section
->name
,
3121 if (ABI_64_P (output_bfd
))
3122 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section
));
3124 num_relocs
= input_section
->reloc_count
;
3125 relend
= relocs
+ num_relocs
;
3126 for (; rel
< relend
; rel
++)
3128 int r_type
, tls_type
;
3129 reloc_howto_type
*howto
;
3130 unsigned long r_symndx
;
3131 struct elf_link_hash_entry
*h
;
3132 struct _bfd_sparc_elf_link_hash_entry
*eh
;
3133 Elf_Internal_Sym
*sym
;
3135 bfd_vma relocation
, off
;
3136 bfd_reloc_status_type r
;
3137 bfd_boolean is_plt
= FALSE
;
3138 bfd_boolean unresolved_reloc
;
3139 bfd_boolean resolved_to_zero
;
3140 bfd_boolean relative_reloc
;
3142 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
3143 if (r_type
== R_SPARC_GNU_VTINHERIT
3144 || r_type
== R_SPARC_GNU_VTENTRY
)
3147 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
3149 bfd_set_error (bfd_error_bad_value
);
3152 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3154 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
3158 unresolved_reloc
= FALSE
;
3159 if (r_symndx
< symtab_hdr
->sh_info
)
3161 sym
= local_syms
+ r_symndx
;
3162 sec
= local_sections
[r_symndx
];
3163 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
3165 if (!bfd_link_relocatable (info
)
3166 && ELF_ST_TYPE (sym
->st_info
) == STT_GNU_IFUNC
)
3168 /* Relocate against local STT_GNU_IFUNC symbol. */
3169 h
= elf_sparc_get_local_sym_hash (htab
, input_bfd
,
3174 /* Set STT_GNU_IFUNC symbol value. */
3175 h
->root
.u
.def
.value
= sym
->st_value
;
3176 h
->root
.u
.def
.section
= sec
;
3181 bfd_boolean warned
, ignored
;
3183 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
3184 r_symndx
, symtab_hdr
, sym_hashes
,
3186 unresolved_reloc
, warned
, ignored
);
3189 /* To avoid generating warning messages about truncated
3190 relocations, set the relocation's address to be the same as
3191 the start of this section. */
3192 if (input_section
->output_section
!= NULL
)
3193 relocation
= input_section
->output_section
->vma
;
3199 if (sec
!= NULL
&& discarded_section (sec
))
3200 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
3201 rel
, 1, relend
, howto
, 0, contents
);
3203 if (bfd_link_relocatable (info
))
3207 && h
->type
== STT_GNU_IFUNC
3213 if ((input_section
->flags
& SEC_ALLOC
) == 0
3214 || h
->plt
.offset
== (bfd_vma
) -1)
3217 plt_sec
= htab
->elf
.splt
;
3219 plt_sec
=htab
->elf
.iplt
;
3223 case R_SPARC_GOTDATA_OP
:
3226 case R_SPARC_GOTDATA_OP_HIX22
:
3227 case R_SPARC_GOTDATA_OP_LOX10
:
3228 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3231 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3237 if (htab
->elf
.sgot
== NULL
)
3239 off
= h
->got
.offset
;
3240 if (off
== (bfd_vma
) -1)
3242 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3245 case R_SPARC_WPLT30
:
3246 case R_SPARC_WDISP30
:
3247 relocation
= (plt_sec
->output_section
->vma
3248 + plt_sec
->output_offset
+ h
->plt
.offset
);
3253 if (bfd_link_pic (info
) && h
->non_got_ref
)
3255 Elf_Internal_Rela outrel
;
3258 offset
= _bfd_elf_section_offset (output_bfd
, info
,
3261 if (offset
== (bfd_vma
) -1
3262 || offset
== (bfd_vma
) -2)
3265 outrel
.r_offset
= (input_section
->output_section
->vma
3266 + input_section
->output_offset
3269 if (h
->dynindx
== -1
3271 || bfd_link_executable (info
))
3273 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3274 0, R_SPARC_IRELATIVE
);
3275 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3279 if (h
->dynindx
== -1)
3281 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3282 outrel
.r_addend
= rel
->r_addend
;
3285 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3289 relocation
= (plt_sec
->output_section
->vma
3290 + plt_sec
->output_offset
+ h
->plt
.offset
);
3295 /* We should only see such relocs in static links. */
3296 if (bfd_link_pic (info
))
3298 relocation
= (plt_sec
->output_section
->vma
3299 + plt_sec
->output_offset
+ h
->plt
.offset
);
3303 if (h
->root
.root
.string
)
3304 name
= h
->root
.root
.string
;
3306 name
= bfd_elf_sym_name (input_bfd
, symtab_hdr
, sym
,
3309 /* xgettext:c-format */
3310 (_("%B: relocation %s against STT_GNU_IFUNC "
3311 "symbol `%s' isn't handled by %s"), input_bfd
,
3312 _bfd_sparc_elf_howto_table
[r_type
].name
,
3313 name
, __FUNCTION__
);
3314 bfd_set_error (bfd_error_bad_value
);
3319 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
3320 resolved_to_zero
= (eh
!= NULL
3321 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
));
3325 case R_SPARC_GOTDATA_OP_HIX22
:
3326 case R_SPARC_GOTDATA_OP_LOX10
:
3327 if (gdop_relative_offset_ok (info
, h
, relocation
))
3329 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3330 ? R_SPARC_GOTDATA_HIX22
3331 : R_SPARC_GOTDATA_LOX10
);
3332 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3336 case R_SPARC_GOTDATA_OP
:
3337 if (gdop_relative_offset_ok (info
, h
, relocation
))
3339 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3341 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3342 relocation
= 0x80000000 | (insn
& 0x3e07c01f);
3343 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3350 case R_SPARC_GOTDATA_HIX22
:
3351 case R_SPARC_GOTDATA_LOX10
:
3352 relocation
= gdopoff (info
, relocation
);
3355 case R_SPARC_GOTDATA_OP_HIX22
:
3356 case R_SPARC_GOTDATA_OP_LOX10
:
3360 /* Relocation is to the entry for this symbol in the global
3362 if (htab
->elf
.sgot
== NULL
)
3365 relative_reloc
= FALSE
;
3370 off
= h
->got
.offset
;
3371 BFD_ASSERT (off
!= (bfd_vma
) -1);
3372 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
3374 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
3375 bfd_link_pic (info
),
3377 || (bfd_link_pic (info
)
3378 && SYMBOL_REFERENCES_LOCAL (info
, h
)))
3380 /* This is actually a static link, or it is a
3381 -Bsymbolic link and the symbol is defined
3382 locally, or the symbol was forced to be local
3383 because of a version file. We must initialize
3384 this entry in the global offset table. Since the
3385 offset must always be a multiple of 8 for 64-bit
3386 and 4 for 32-bit, we use the least significant bit
3387 to record whether we have initialized it already.
3389 When doing a dynamic link, we create a .rela.got
3390 relocation entry to initialize the value. This
3391 is done in the finish_dynamic_symbol routine. */
3396 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3397 htab
->elf
.sgot
->contents
+ off
);
3400 if (h
->dynindx
== -1
3402 && h
->root
.type
!= bfd_link_hash_undefweak
3403 && bfd_link_pic (info
))
3405 /* If this symbol isn't dynamic in PIC
3406 generate R_SPARC_RELATIVE here. */
3407 relative_reloc
= TRUE
;
3412 unresolved_reloc
= FALSE
;
3416 BFD_ASSERT (local_got_offsets
!= NULL
3417 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
3419 off
= local_got_offsets
[r_symndx
];
3421 /* The offset must always be a multiple of 8 on 64-bit and
3422 4 on 32-bit. We use the least significant bit to record
3423 whether we have already processed this entry. */
3428 if (bfd_link_pic (info
))
3430 relative_reloc
= TRUE
;
3433 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3434 htab
->elf
.sgot
->contents
+ off
);
3435 local_got_offsets
[r_symndx
] |= 1;
3442 Elf_Internal_Rela outrel
;
3444 /* We need to generate a R_SPARC_RELATIVE reloc
3445 for the dynamic linker. */
3446 s
= htab
->elf
.srelgot
;
3447 BFD_ASSERT (s
!= NULL
);
3449 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3450 + htab
->elf
.sgot
->output_offset
3452 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3453 0, R_SPARC_RELATIVE
);
3454 outrel
.r_addend
= relocation
;
3456 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3459 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3464 if (h
== NULL
|| h
->plt
.offset
== (bfd_vma
) -1)
3466 r_type
= (r_type
== R_SPARC_PLT32
) ? R_SPARC_32
: R_SPARC_64
;
3471 case R_SPARC_WPLT30
:
3472 case R_SPARC_HIPLT22
:
3473 case R_SPARC_LOPLT10
:
3474 case R_SPARC_PCPLT32
:
3475 case R_SPARC_PCPLT22
:
3476 case R_SPARC_PCPLT10
:
3478 /* Relocation is to the entry for this symbol in the
3479 procedure linkage table. */
3481 if (! ABI_64_P (output_bfd
))
3483 /* The Solaris native assembler will generate a WPLT30 reloc
3484 for a local symbol if you assemble a call from one
3485 section to another when using -K pic. We treat it as
3490 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3491 else if (r_type
== R_SPARC_WPLT30
&& h
== NULL
)
3495 BFD_ASSERT (h
!= NULL
);
3498 if (h
->plt
.offset
== (bfd_vma
) -1 || htab
->elf
.splt
== NULL
)
3500 /* We didn't make a PLT entry for this symbol. This
3501 happens when statically linking PIC code, or when
3502 using -Bsymbolic. */
3506 relocation
= (htab
->elf
.splt
->output_section
->vma
3507 + htab
->elf
.splt
->output_offset
3509 unresolved_reloc
= FALSE
;
3510 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
3512 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
3520 case R_SPARC_PC_HH22
:
3521 case R_SPARC_PC_HM10
:
3522 case R_SPARC_PC_LM22
:
3524 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
3528 case R_SPARC_DISP16
:
3529 case R_SPARC_DISP32
:
3530 case R_SPARC_DISP64
:
3531 case R_SPARC_WDISP30
:
3532 case R_SPARC_WDISP22
:
3533 case R_SPARC_WDISP19
:
3534 case R_SPARC_WDISP16
:
3535 case R_SPARC_WDISP10
:
3563 if ((input_section
->flags
& SEC_ALLOC
) == 0
3567 /* Copy dynamic function pointer relocations. Don't generate
3568 dynamic relocations against resolved undefined weak symbols
3570 if ((bfd_link_pic (info
)
3572 || ((ELF_ST_VISIBILITY (h
->other
) == STV_DEFAULT
3573 && !resolved_to_zero
)
3574 || h
->root
.type
!= bfd_link_hash_undefweak
))
3575 && (! howto
->pc_relative
3576 || !SYMBOL_CALLS_LOCAL (info
, h
)))
3577 || (!bfd_link_pic (info
)
3583 || (h
->root
.type
== bfd_link_hash_undefweak
3584 && !resolved_to_zero
)
3585 || h
->root
.type
== bfd_link_hash_undefined
)))
3587 Elf_Internal_Rela outrel
;
3588 bfd_boolean skip
, relocate
= FALSE
;
3590 /* When generating a shared object, these relocations
3591 are copied into the output file to be resolved at run
3594 BFD_ASSERT (sreloc
!= NULL
);
3599 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3601 if (outrel
.r_offset
== (bfd_vma
) -1)
3603 else if (outrel
.r_offset
== (bfd_vma
) -2)
3604 skip
= TRUE
, relocate
= TRUE
;
3605 outrel
.r_offset
+= (input_section
->output_section
->vma
3606 + input_section
->output_offset
);
3608 /* Optimize unaligned reloc usage now that we know where
3609 it finally resides. */
3613 if (outrel
.r_offset
& 1)
3614 r_type
= R_SPARC_UA16
;
3617 if (!(outrel
.r_offset
& 1))
3618 r_type
= R_SPARC_16
;
3621 if (outrel
.r_offset
& 3)
3622 r_type
= R_SPARC_UA32
;
3625 if (!(outrel
.r_offset
& 3))
3626 r_type
= R_SPARC_32
;
3629 if (outrel
.r_offset
& 7)
3630 r_type
= R_SPARC_UA64
;
3633 if (!(outrel
.r_offset
& 7))
3634 r_type
= R_SPARC_64
;
3637 case R_SPARC_DISP16
:
3638 case R_SPARC_DISP32
:
3639 case R_SPARC_DISP64
:
3640 /* If the symbol is not dynamic, we should not keep
3641 a dynamic relocation. But an .rela.* slot has been
3642 allocated for it, output R_SPARC_NONE.
3643 FIXME: Add code tracking needed dynamic relocs as
3645 if (h
->dynindx
== -1)
3646 skip
= TRUE
, relocate
= TRUE
;
3651 memset (&outrel
, 0, sizeof outrel
);
3652 /* h->dynindx may be -1 if the symbol was marked to
3656 && (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
3657 || !bfd_link_pic (info
)
3658 || !SYMBOLIC_BIND (info
, h
)
3659 || !h
->def_regular
))
3661 BFD_ASSERT (h
->dynindx
!= -1);
3662 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3663 outrel
.r_addend
= rel
->r_addend
;
3667 if ( (!ABI_64_P (output_bfd
) && r_type
== R_SPARC_32
)
3668 || (ABI_64_P (output_bfd
) && r_type
== R_SPARC_64
))
3670 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3671 0, R_SPARC_RELATIVE
);
3672 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3678 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3681 sec
= htab
->elf
.splt
;
3683 if (bfd_is_abs_section (sec
))
3685 else if (sec
== NULL
|| sec
->owner
== NULL
)
3687 bfd_set_error (bfd_error_bad_value
);
3694 /* We are turning this relocation into one
3695 against a section symbol. It would be
3696 proper to subtract the symbol's value,
3697 osec->vma, from the emitted reloc addend,
3698 but ld.so expects buggy relocs. */
3699 osec
= sec
->output_section
;
3700 indx
= elf_section_data (osec
)->dynindx
;
3704 osec
= htab
->elf
.text_index_section
;
3705 indx
= elf_section_data (osec
)->dynindx
;
3708 /* FIXME: we really should be able to link non-pic
3709 shared libraries. */
3714 (_("%B: probably compiled without -fPIC?"),
3716 bfd_set_error (bfd_error_bad_value
);
3721 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, indx
,
3726 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3728 /* This reloc will be computed at runtime, so there's no
3729 need to do anything now. */
3735 case R_SPARC_TLS_GD_HI22
:
3736 if (! ABI_64_P (input_bfd
)
3737 && ! _bfd_sparc_elf_tdata (input_bfd
)->has_tlsgd
)
3739 /* R_SPARC_REV32 used the same reloc number as
3740 R_SPARC_TLS_GD_HI22. */
3741 r_type
= R_SPARC_REV32
;
3746 case R_SPARC_TLS_GD_LO10
:
3747 case R_SPARC_TLS_IE_HI22
:
3748 case R_SPARC_TLS_IE_LO10
:
3749 r_type
= sparc_elf_tls_transition (info
, input_bfd
, r_type
, h
== NULL
);
3750 tls_type
= GOT_UNKNOWN
;
3751 if (h
== NULL
&& local_got_offsets
)
3752 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3755 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
3756 if (!bfd_link_pic (info
)
3758 && tls_type
== GOT_TLS_IE
)
3759 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
3761 case R_SPARC_TLS_GD_HI22
:
3762 case R_SPARC_TLS_IE_HI22
:
3763 r_type
= R_SPARC_TLS_LE_HIX22
;
3766 r_type
= R_SPARC_TLS_LE_LOX10
;
3770 if (tls_type
== GOT_TLS_IE
)
3773 case R_SPARC_TLS_GD_HI22
:
3774 r_type
= R_SPARC_TLS_IE_HI22
;
3776 case R_SPARC_TLS_GD_LO10
:
3777 r_type
= R_SPARC_TLS_IE_LO10
;
3781 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3783 relocation
= tpoff (info
, relocation
);
3786 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3788 /* Change add into xor. */
3789 relocation
= tpoff (info
, relocation
);
3790 bfd_put_32 (output_bfd
, (bfd_get_32 (input_bfd
,
3791 contents
+ rel
->r_offset
)
3792 | 0x80182000), contents
+ rel
->r_offset
);
3798 off
= h
->got
.offset
;
3803 BFD_ASSERT (local_got_offsets
!= NULL
);
3804 off
= local_got_offsets
[r_symndx
];
3805 local_got_offsets
[r_symndx
] |= 1;
3809 if (htab
->elf
.sgot
== NULL
)
3816 Elf_Internal_Rela outrel
;
3819 if (htab
->elf
.srelgot
== NULL
)
3822 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3823 htab
->elf
.sgot
->contents
+ off
);
3824 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3825 + htab
->elf
.sgot
->output_offset
+ off
);
3826 indx
= h
&& h
->dynindx
!= -1 ? h
->dynindx
: 0;
3827 if (r_type
== R_SPARC_TLS_IE_HI22
3828 || r_type
== R_SPARC_TLS_IE_LO10
)
3829 dr_type
= SPARC_ELF_TPOFF_RELOC (htab
);
3831 dr_type
= SPARC_ELF_DTPMOD_RELOC (htab
);
3832 if (dr_type
== SPARC_ELF_TPOFF_RELOC (htab
) && indx
== 0)
3833 outrel
.r_addend
= relocation
- dtpoff_base (info
);
3835 outrel
.r_addend
= 0;
3836 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
, dr_type
);
3837 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
, &outrel
);
3839 if (r_type
== R_SPARC_TLS_GD_HI22
3840 || r_type
== R_SPARC_TLS_GD_LO10
)
3844 BFD_ASSERT (! unresolved_reloc
);
3845 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
3846 relocation
- dtpoff_base (info
),
3847 (htab
->elf
.sgot
->contents
+ off
3848 + SPARC_ELF_WORD_BYTES (htab
)));
3852 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3853 (htab
->elf
.sgot
->contents
+ off
3854 + SPARC_ELF_WORD_BYTES (htab
)));
3855 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
,
3856 SPARC_ELF_DTPOFF_RELOC (htab
));
3857 outrel
.r_offset
+= SPARC_ELF_WORD_BYTES (htab
);
3858 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
,
3862 else if (dr_type
== SPARC_ELF_DTPMOD_RELOC (htab
))
3864 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3865 (htab
->elf
.sgot
->contents
+ off
3866 + SPARC_ELF_WORD_BYTES (htab
)));
3870 if (off
>= (bfd_vma
) -2)
3873 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3874 unresolved_reloc
= FALSE
;
3875 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3878 case R_SPARC_TLS_LDM_HI22
:
3879 case R_SPARC_TLS_LDM_LO10
:
3880 if (! bfd_link_pic (info
))
3882 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3885 off
= htab
->tls_ldm_got
.offset
;
3886 htab
->tls_ldm_got
.offset
|= 1;
3887 goto r_sparc_tlsldm
;
3889 case R_SPARC_TLS_LDO_HIX22
:
3890 case R_SPARC_TLS_LDO_LOX10
:
3891 if (bfd_link_pic (info
))
3893 relocation
-= dtpoff_base (info
);
3897 r_type
= (r_type
== R_SPARC_TLS_LDO_HIX22
3898 ? R_SPARC_TLS_LE_HIX22
: R_SPARC_TLS_LE_LOX10
);
3901 case R_SPARC_TLS_LE_HIX22
:
3902 case R_SPARC_TLS_LE_LOX10
:
3903 if (bfd_link_pic (info
))
3905 Elf_Internal_Rela outrel
;
3908 BFD_ASSERT (sreloc
!= NULL
);
3911 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3913 if (outrel
.r_offset
== (bfd_vma
) -1)
3915 else if (outrel
.r_offset
== (bfd_vma
) -2)
3917 outrel
.r_offset
+= (input_section
->output_section
->vma
3918 + input_section
->output_offset
);
3920 memset (&outrel
, 0, sizeof outrel
);
3923 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, r_type
);
3924 outrel
.r_addend
= relocation
- dtpoff_base (info
)
3928 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3931 relocation
= tpoff (info
, relocation
);
3934 case R_SPARC_TLS_LDM_CALL
:
3935 if (! bfd_link_pic (info
))
3938 bfd_put_32 (output_bfd
, 0x90100000, contents
+ rel
->r_offset
);
3943 case R_SPARC_TLS_GD_CALL
:
3944 tls_type
= GOT_UNKNOWN
;
3945 if (h
== NULL
&& local_got_offsets
)
3946 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3948 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
3949 if (! bfd_link_pic (info
)
3950 || (r_type
== R_SPARC_TLS_GD_CALL
&& tls_type
== GOT_TLS_IE
))
3952 Elf_Internal_Rela
*rel2
;
3955 if (!bfd_link_pic (info
) && (h
== NULL
|| h
->dynindx
== -1))
3958 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3963 if (rel
+ 1 < relend
3964 && SPARC_ELF_R_TYPE (rel
[1].r_info
) == R_SPARC_TLS_GD_ADD
3965 && rel
[1].r_offset
== rel
->r_offset
+ 4
3966 && SPARC_ELF_R_SYMNDX (htab
, rel
[1].r_info
) == r_symndx
3967 && (((insn
= bfd_get_32 (input_bfd
,
3968 contents
+ rel
[1].r_offset
))
3969 >> 25) & 0x1f) == 8)
3972 call __tls_get_addr, %tgd_call(foo)
3973 add %reg1, %reg2, %o0, %tgd_add(foo)
3974 and change it into IE:
3975 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3976 add %g7, %o0, %o0, %tie_add(foo).
3977 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3978 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3979 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3980 bfd_put_32 (output_bfd
, insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000),
3981 contents
+ rel
->r_offset
);
3982 bfd_put_32 (output_bfd
, 0x9001c008,
3983 contents
+ rel
->r_offset
+ 4);
3988 /* We cannot just overwrite the delay slot instruction,
3989 as it might be what puts the %o0 argument to
3990 __tls_get_addr into place. So we have to transpose
3991 the delay slot with the add we patch in. */
3992 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3993 bfd_put_32 (output_bfd
, insn
,
3994 contents
+ rel
->r_offset
);
3995 bfd_put_32 (output_bfd
, 0x9001c008,
3996 contents
+ rel
->r_offset
+ 4);
3999 while ((rel2
= sparc_elf_find_reloc_at_ofs (rel2
+ 1, relend
,
4003 /* If the instruction we moved has a relocation attached to
4004 it, adjust the offset so that it will apply to the correct
4006 rel2
->r_offset
-= 4;
4011 h
= (struct elf_link_hash_entry
*)
4012 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
4014 BFD_ASSERT (h
!= NULL
);
4015 r_type
= R_SPARC_WPLT30
;
4016 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
4017 goto r_sparc_wplt30
;
4019 case R_SPARC_TLS_GD_ADD
:
4020 tls_type
= GOT_UNKNOWN
;
4021 if (h
== NULL
&& local_got_offsets
)
4022 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
4024 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
4025 if (! bfd_link_pic (info
) || tls_type
== GOT_TLS_IE
)
4027 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
4029 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
4031 add %g7, %reg2, %reg3. */
4032 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4033 if ((h
!= NULL
&& h
->dynindx
!= -1) || bfd_link_pic (info
))
4034 relocation
= insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000);
4036 relocation
= (insn
& ~0x7c000) | 0x1c000;
4037 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
4041 case R_SPARC_TLS_LDM_ADD
:
4042 if (! bfd_link_pic (info
))
4043 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
4046 case R_SPARC_TLS_LDO_ADD
:
4047 if (! bfd_link_pic (info
))
4049 /* Change rs1 into %g7. */
4050 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4051 insn
= (insn
& ~0x7c000) | 0x1c000;
4052 bfd_put_32 (output_bfd
, insn
, contents
+ rel
->r_offset
);
4056 case R_SPARC_TLS_IE_LD
:
4057 case R_SPARC_TLS_IE_LDX
:
4058 if (! bfd_link_pic (info
) && (h
== NULL
|| h
->dynindx
== -1))
4060 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4061 int rs2
= insn
& 0x1f;
4062 int rd
= (insn
>> 25) & 0x1f;
4065 relocation
= SPARC_NOP
;
4067 relocation
= 0x80100000 | (insn
& 0x3e00001f);
4068 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
4072 case R_SPARC_TLS_IE_ADD
:
4073 /* Totally useless relocation. */
4076 case R_SPARC_TLS_DTPOFF32
:
4077 case R_SPARC_TLS_DTPOFF64
:
4078 relocation
-= dtpoff_base (info
);
4085 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
4086 because such sections are not SEC_ALLOC and thus ld.so will
4087 not process them. */
4088 if (unresolved_reloc
4089 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
4091 && _bfd_elf_section_offset (output_bfd
, info
, input_section
,
4092 rel
->r_offset
) != (bfd_vma
) -1)
4094 /* xgettext:c-format */
4095 (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
4100 h
->root
.root
.string
);
4102 r
= bfd_reloc_continue
;
4103 if (r_type
== R_SPARC_OLO10
)
4107 if (! ABI_64_P (output_bfd
))
4110 relocation
+= rel
->r_addend
;
4111 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
4113 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4114 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
4115 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4117 r
= bfd_check_overflow (howto
->complain_on_overflow
,
4118 howto
->bitsize
, howto
->rightshift
,
4119 bfd_arch_bits_per_address (input_bfd
),
4122 else if (r_type
== R_SPARC_WDISP16
)
4126 relocation
+= rel
->r_addend
;
4127 relocation
-= (input_section
->output_section
->vma
4128 + input_section
->output_offset
);
4129 relocation
-= rel
->r_offset
;
4131 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4132 x
|= ((((relocation
>> 2) & 0xc000) << 6)
4133 | ((relocation
>> 2) & 0x3fff));
4134 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4136 r
= bfd_check_overflow (howto
->complain_on_overflow
,
4137 howto
->bitsize
, howto
->rightshift
,
4138 bfd_arch_bits_per_address (input_bfd
),
4141 else if (r_type
== R_SPARC_WDISP10
)
4145 relocation
+= rel
->r_addend
;
4146 relocation
-= (input_section
->output_section
->vma
4147 + input_section
->output_offset
);
4148 relocation
-= rel
->r_offset
;
4150 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4151 x
|= ((((relocation
>> 2) & 0x300) << 11)
4152 | (((relocation
>> 2) & 0xff) << 5));
4153 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4155 r
= bfd_check_overflow (howto
->complain_on_overflow
,
4156 howto
->bitsize
, howto
->rightshift
,
4157 bfd_arch_bits_per_address (input_bfd
),
4160 else if (r_type
== R_SPARC_REV32
)
4164 relocation
= relocation
+ rel
->r_addend
;
4166 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4168 bfd_putl32 (/*input_bfd,*/ x
, contents
+ rel
->r_offset
);
4171 else if (r_type
== R_SPARC_TLS_LDO_HIX22
4172 || r_type
== R_SPARC_TLS_LE_HIX22
)
4176 relocation
+= rel
->r_addend
;
4177 if (r_type
== R_SPARC_TLS_LE_HIX22
)
4178 relocation
^= MINUS_ONE
;
4180 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4181 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
4182 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4185 else if (r_type
== R_SPARC_TLS_LDO_LOX10
4186 || r_type
== R_SPARC_TLS_LE_LOX10
)
4190 relocation
+= rel
->r_addend
;
4191 relocation
&= 0x3ff;
4192 if (r_type
== R_SPARC_TLS_LE_LOX10
)
4193 relocation
|= 0x1c00;
4195 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4196 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4197 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4201 else if (r_type
== R_SPARC_HIX22
4202 || r_type
== R_SPARC_GOTDATA_HIX22
4203 || r_type
== R_SPARC_GOTDATA_OP_HIX22
)
4207 relocation
+= rel
->r_addend
;
4208 if (r_type
== R_SPARC_HIX22
4209 || (bfd_signed_vma
) relocation
< 0)
4210 relocation
= relocation
^ MINUS_ONE
;
4212 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4213 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
4214 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4216 r
= bfd_check_overflow (howto
->complain_on_overflow
,
4217 howto
->bitsize
, howto
->rightshift
,
4218 bfd_arch_bits_per_address (input_bfd
),
4221 else if (r_type
== R_SPARC_LOX10
4222 || r_type
== R_SPARC_GOTDATA_LOX10
4223 || r_type
== R_SPARC_GOTDATA_OP_LOX10
)
4227 relocation
+= rel
->r_addend
;
4228 if (r_type
== R_SPARC_LOX10
4229 || (bfd_signed_vma
) relocation
< 0)
4230 relocation
= (relocation
& 0x3ff) | 0x1c00;
4232 relocation
= (relocation
& 0x3ff);
4234 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4235 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4236 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4240 else if ((r_type
== R_SPARC_WDISP30
|| r_type
== R_SPARC_WPLT30
)
4241 && sec_do_relax (input_section
)
4242 && rel
->r_offset
+ 4 < input_section
->size
)
4246 #define XCC (2 << 20)
4247 #define COND(x) (((x)&0xf)<<25)
4248 #define CONDA COND(0x8)
4249 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4250 #define INSN_BA (F2(0,2) | CONDA)
4251 #define INSN_OR F3(2, 0x2, 0)
4252 #define INSN_NOP F2(0,4)
4256 /* If the instruction is a call with either:
4258 arithmetic instruction with rd == %o7
4259 where rs1 != %o7 and rs2 if it is register != %o7
4260 then we can optimize if the call destination is near
4261 by changing the call into a branch always. */
4262 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4263 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
4264 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
4266 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
4267 || ((y
& OP3(0x28)) == 0 /* arithmetic */
4268 && (y
& RD(~0)) == RD(O7
)))
4269 && (y
& RS1(~0)) != RS1(O7
)
4271 || (y
& RS2(~0)) != RS2(O7
)))
4275 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
4276 reloc
-= (input_section
->output_section
->vma
4277 + input_section
->output_offset
);
4279 /* Ensure the branch fits into simm22. */
4280 if ((reloc
& 3) == 0
4281 && ((reloc
& ~(bfd_vma
)0x7fffff) == 0
4282 || ((reloc
| 0x7fffff) == ~(bfd_vma
)0)))
4286 /* Check whether it fits into simm19. */
4287 if (((reloc
& 0x3c0000) == 0
4288 || (reloc
& 0x3c0000) == 0x3c0000)
4289 && (ABI_64_P (output_bfd
)
4290 || elf_elfheader (output_bfd
)->e_flags
& EF_SPARC_32PLUS
))
4291 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
4293 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
4294 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4296 if (rel
->r_offset
>= 4
4297 && (y
& (0xffffffff ^ RS1(~0)))
4298 == (INSN_OR
| RD(O7
) | RS2(G0
)))
4303 z
= bfd_get_32 (input_bfd
,
4304 contents
+ rel
->r_offset
- 4);
4305 if ((z
& (0xffffffff ^ RD(~0)))
4306 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
4314 If call foo was replaced with ba, replace
4315 or %rN, %g0, %o7 with nop. */
4317 reg
= (y
& RS1(~0)) >> 14;
4318 if (reg
!= ((z
& RD(~0)) >> 25)
4319 || reg
== G0
|| reg
== O7
)
4322 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
4323 contents
+ rel
->r_offset
+ 4);
4331 if (r
== bfd_reloc_continue
)
4334 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
4335 contents
, rel
->r_offset
,
4336 relocation
, rel
->r_addend
);
4338 if (r
!= bfd_reloc_ok
)
4343 case bfd_reloc_outofrange
:
4345 case bfd_reloc_overflow
:
4349 /* The Solaris native linker silently disregards overflows.
4350 We don't, but this breaks stabs debugging info, whose
4351 relocations are only 32-bits wide. Ignore overflows in
4352 this case and also for discarded entries. */
4353 if ((r_type
== R_SPARC_32
4354 || r_type
== R_SPARC_UA32
4355 || r_type
== R_SPARC_DISP32
)
4356 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
4357 && strcmp (bfd_section_name (input_bfd
,
4360 || _bfd_elf_section_offset (output_bfd
, info
,
4368 /* Assume this is a call protected by other code that
4369 detect the symbol is undefined. If this is the case,
4370 we can safely ignore the overflow. If not, the
4371 program is hosed anyway, and a little warning isn't
4373 if (h
->root
.type
== bfd_link_hash_undefweak
4374 && howto
->pc_relative
)
4381 name
= bfd_elf_string_from_elf_section (input_bfd
,
4382 symtab_hdr
->sh_link
,
4387 name
= bfd_section_name (input_bfd
, sec
);
4389 (*info
->callbacks
->reloc_overflow
)
4390 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
4391 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
4401 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4402 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4403 is the offset of the associated .got.plt entry from
4404 _GLOBAL_OFFSET_TABLE_. */
4407 sparc_vxworks_build_plt_entry (bfd
*output_bfd
, struct bfd_link_info
*info
,
4408 bfd_vma plt_offset
, bfd_vma plt_index
,
4412 const bfd_vma
*plt_entry
;
4413 struct _bfd_sparc_elf_link_hash_table
*htab
;
4415 Elf_Internal_Rela rela
;
4417 htab
= _bfd_sparc_elf_hash_table (info
);
4418 BFD_ASSERT (htab
!= NULL
);
4420 if (bfd_link_pic (info
))
4422 plt_entry
= sparc_vxworks_shared_plt_entry
;
4427 plt_entry
= sparc_vxworks_exec_plt_entry
;
4428 got_base
= (htab
->elf
.hgot
->root
.u
.def
.value
4429 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4430 + htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
);
4433 /* Fill in the entry in the procedure linkage table. */
4434 bfd_put_32 (output_bfd
, plt_entry
[0] + ((got_base
+ got_offset
) >> 10),
4435 htab
->elf
.splt
->contents
+ plt_offset
);
4436 bfd_put_32 (output_bfd
, plt_entry
[1] + ((got_base
+ got_offset
) & 0x3ff),
4437 htab
->elf
.splt
->contents
+ plt_offset
+ 4);
4438 bfd_put_32 (output_bfd
, plt_entry
[2],
4439 htab
->elf
.splt
->contents
+ plt_offset
+ 8);
4440 bfd_put_32 (output_bfd
, plt_entry
[3],
4441 htab
->elf
.splt
->contents
+ plt_offset
+ 12);
4442 bfd_put_32 (output_bfd
, plt_entry
[4],
4443 htab
->elf
.splt
->contents
+ plt_offset
+ 16);
4444 bfd_put_32 (output_bfd
, plt_entry
[5] + (plt_index
>> 10),
4445 htab
->elf
.splt
->contents
+ plt_offset
+ 20);
4446 /* PC-relative displacement for a branch to the start of
4448 bfd_put_32 (output_bfd
, plt_entry
[6] + (((-plt_offset
- 24) >> 2)
4450 htab
->elf
.splt
->contents
+ plt_offset
+ 24);
4451 bfd_put_32 (output_bfd
, plt_entry
[7] + (plt_index
& 0x3ff),
4452 htab
->elf
.splt
->contents
+ plt_offset
+ 28);
4454 /* Fill in the .got.plt entry, pointing initially at the
4455 second half of the PLT entry. */
4456 BFD_ASSERT (htab
->elf
.sgotplt
!= NULL
);
4457 bfd_put_32 (output_bfd
,
4458 htab
->elf
.splt
->output_section
->vma
4459 + htab
->elf
.splt
->output_offset
4461 htab
->elf
.sgotplt
->contents
+ got_offset
);
4463 /* Add relocations to .rela.plt.unloaded. */
4464 if (!bfd_link_pic (info
))
4466 loc
= (htab
->srelplt2
->contents
4467 + (2 + 3 * plt_index
) * sizeof (Elf32_External_Rela
));
4469 /* Relocate the initial sethi. */
4470 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4471 + htab
->elf
.splt
->output_offset
4473 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4474 rela
.r_addend
= got_offset
;
4475 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4476 loc
+= sizeof (Elf32_External_Rela
);
4478 /* Likewise the following or. */
4480 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4481 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4482 loc
+= sizeof (Elf32_External_Rela
);
4484 /* Relocate the .got.plt entry. */
4485 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4486 + htab
->elf
.sgotplt
->output_offset
4488 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4489 rela
.r_addend
= plt_offset
+ 20;
4490 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4494 /* Finish up dynamic symbol handling. We set the contents of various
4495 dynamic sections here. */
4498 _bfd_sparc_elf_finish_dynamic_symbol (bfd
*output_bfd
,
4499 struct bfd_link_info
*info
,
4500 struct elf_link_hash_entry
*h
,
4501 Elf_Internal_Sym
*sym
)
4503 struct _bfd_sparc_elf_link_hash_table
*htab
;
4504 const struct elf_backend_data
*bed
;
4505 struct _bfd_sparc_elf_link_hash_entry
*eh
;
4506 bfd_boolean local_undefweak
;
4508 htab
= _bfd_sparc_elf_hash_table (info
);
4509 BFD_ASSERT (htab
!= NULL
);
4510 bed
= get_elf_backend_data (output_bfd
);
4512 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
4514 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4515 resolved undefined weak symbols in executable so that their
4516 references have value 0 at run-time. */
4517 local_undefweak
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
4519 if (h
->plt
.offset
!= (bfd_vma
) -1)
4523 Elf_Internal_Rela rela
;
4525 bfd_vma r_offset
, got_offset
;
4528 /* When building a static executable, use .iplt and
4529 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4530 if (htab
->elf
.splt
!= NULL
)
4532 splt
= htab
->elf
.splt
;
4533 srela
= htab
->elf
.srelplt
;
4537 splt
= htab
->elf
.iplt
;
4538 srela
= htab
->elf
.irelplt
;
4541 if (splt
== NULL
|| srela
== NULL
)
4544 /* Fill in the entry in the .rela.plt section. */
4545 if (htab
->is_vxworks
)
4547 /* Work out the index of this PLT entry. */
4548 rela_index
= ((h
->plt
.offset
- htab
->plt_header_size
)
4549 / htab
->plt_entry_size
);
4551 /* Calculate the offset of the associated .got.plt entry.
4552 The first three entries are reserved. */
4553 got_offset
= (rela_index
+ 3) * 4;
4555 sparc_vxworks_build_plt_entry (output_bfd
, info
, h
->plt
.offset
,
4556 rela_index
, got_offset
);
4559 /* On VxWorks, the relocation points to the .got.plt entry,
4560 not the .plt entry. */
4561 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4562 + htab
->elf
.sgotplt
->output_offset
4565 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4570 bfd_boolean ifunc
= FALSE
;
4572 /* Fill in the entry in the procedure linkage table. */
4573 rela_index
= SPARC_ELF_BUILD_PLT_ENTRY (htab
, output_bfd
, splt
,
4574 h
->plt
.offset
, splt
->size
,
4579 || ((bfd_link_executable (info
)
4580 || ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
4582 && h
->type
== STT_GNU_IFUNC
))
4585 BFD_ASSERT (h
== NULL
4586 || (h
->type
== STT_GNU_IFUNC
4588 && (h
->root
.type
== bfd_link_hash_defined
4589 || h
->root
.type
== bfd_link_hash_defweak
)));
4592 rela
.r_offset
= r_offset
4593 + (splt
->output_section
->vma
+ splt
->output_offset
);
4594 if (ABI_64_P (output_bfd
)
4595 && h
->plt
.offset
>= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
4599 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4600 + h
->root
.u
.def
.section
->output_offset
4601 + h
->root
.u
.def
.value
);
4602 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4607 rela
.r_addend
= (-(h
->plt
.offset
+ 4)
4608 - splt
->output_section
->vma
4609 - splt
->output_offset
);
4610 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4618 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4619 + h
->root
.u
.def
.section
->output_offset
4620 + h
->root
.u
.def
.value
);
4621 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4627 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4633 /* Adjust for the first 4 reserved elements in the .plt section
4634 when setting the offset in the .rela.plt section.
4635 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4636 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4638 loc
= srela
->contents
;
4639 loc
+= rela_index
* bed
->s
->sizeof_rela
;
4640 bed
->s
->swap_reloca_out (output_bfd
, &rela
, loc
);
4642 if (!local_undefweak
4645 /* Mark the symbol as undefined, rather than as defined in
4646 the .plt section. Leave the value alone. */
4647 sym
->st_shndx
= SHN_UNDEF
;
4648 /* If the symbol is weak, we do need to clear the value.
4649 Otherwise, the PLT entry would provide a definition for
4650 the symbol even if the symbol wasn't defined anywhere,
4651 and so the symbol would never be NULL. */
4652 if (!h
->ref_regular_nonweak
)
4657 /* Don't generate dynamic GOT relocation against undefined weak
4658 symbol in executable. */
4659 if (h
->got
.offset
!= (bfd_vma
) -1
4660 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_GD
4661 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_IE
4662 && !local_undefweak
)
4666 Elf_Internal_Rela rela
;
4668 /* This symbol has an entry in the GOT. Set it up. */
4670 sgot
= htab
->elf
.sgot
;
4671 srela
= htab
->elf
.srelgot
;
4672 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
4674 rela
.r_offset
= (sgot
->output_section
->vma
4675 + sgot
->output_offset
4676 + (h
->got
.offset
&~ (bfd_vma
) 1));
4678 /* If this is a -Bsymbolic link, and the symbol is defined
4679 locally, we just want to emit a RELATIVE reloc. Likewise if
4680 the symbol was forced to be local because of a version file.
4681 The entry in the global offset table will already have been
4682 initialized in the relocate_section function. */
4683 if (! bfd_link_pic (info
)
4684 && h
->type
== STT_GNU_IFUNC
4689 /* We load the GOT entry with the PLT entry. */
4690 plt
= htab
->elf
.splt
? htab
->elf
.splt
: htab
->elf
.iplt
;
4691 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
4692 (plt
->output_section
->vma
4693 + plt
->output_offset
+ h
->plt
.offset
),
4694 htab
->elf
.sgot
->contents
4695 + (h
->got
.offset
& ~(bfd_vma
) 1));
4698 else if (bfd_link_pic (info
)
4699 && SYMBOL_REFERENCES_LOCAL (info
, h
))
4701 asection
*sec
= h
->root
.u
.def
.section
;
4702 if (h
->type
== STT_GNU_IFUNC
)
4703 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_IRELATIVE
);
4705 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_RELATIVE
);
4706 rela
.r_addend
= (h
->root
.u
.def
.value
4707 + sec
->output_section
->vma
4708 + sec
->output_offset
);
4712 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_GLOB_DAT
);
4716 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
4717 sgot
->contents
+ (h
->got
.offset
& ~(bfd_vma
) 1));
4718 sparc_elf_append_rela (output_bfd
, srela
, &rela
);
4724 Elf_Internal_Rela rela
;
4726 /* This symbols needs a copy reloc. Set it up. */
4727 BFD_ASSERT (h
->dynindx
!= -1);
4729 rela
.r_offset
= (h
->root
.u
.def
.value
4730 + h
->root
.u
.def
.section
->output_section
->vma
4731 + h
->root
.u
.def
.section
->output_offset
);
4732 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_COPY
);
4734 if (h
->root
.u
.def
.section
== htab
->elf
.sdynrelro
)
4735 s
= htab
->elf
.sreldynrelro
;
4737 s
= htab
->elf
.srelbss
;
4738 sparc_elf_append_rela (output_bfd
, s
, &rela
);
4741 /* Mark some specially defined symbols as absolute. On VxWorks,
4742 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4743 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4745 && (h
== htab
->elf
.hdynamic
4746 || (!htab
->is_vxworks
4747 && (h
== htab
->elf
.hgot
|| h
== htab
->elf
.hplt
))))
4748 sym
->st_shndx
= SHN_ABS
;
4753 /* Finish up the dynamic sections. */
4756 sparc_finish_dyn (bfd
*output_bfd
, struct bfd_link_info
*info
,
4757 bfd
*dynobj
, asection
*sdyn
,
4758 asection
*splt ATTRIBUTE_UNUSED
)
4760 struct _bfd_sparc_elf_link_hash_table
*htab
;
4761 const struct elf_backend_data
*bed
;
4762 bfd_byte
*dyncon
, *dynconend
;
4764 int stt_regidx
= -1;
4765 bfd_boolean abi_64_p
;
4767 htab
= _bfd_sparc_elf_hash_table (info
);
4768 BFD_ASSERT (htab
!= NULL
);
4769 bed
= get_elf_backend_data (output_bfd
);
4770 dynsize
= bed
->s
->sizeof_dyn
;
4771 dynconend
= sdyn
->contents
+ sdyn
->size
;
4772 abi_64_p
= ABI_64_P (output_bfd
);
4773 for (dyncon
= sdyn
->contents
; dyncon
< dynconend
; dyncon
+= dynsize
)
4775 Elf_Internal_Dyn dyn
;
4778 bed
->s
->swap_dyn_in (dynobj
, dyncon
, &dyn
);
4780 if (htab
->is_vxworks
&& dyn
.d_tag
== DT_PLTGOT
)
4782 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4783 not to the start of the PLT. */
4784 if (htab
->elf
.sgotplt
)
4786 dyn
.d_un
.d_val
= (htab
->elf
.sgotplt
->output_section
->vma
4787 + htab
->elf
.sgotplt
->output_offset
);
4788 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4791 else if (htab
->is_vxworks
4792 && elf_vxworks_finish_dynamic_entry (output_bfd
, &dyn
))
4793 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4794 else if (abi_64_p
&& dyn
.d_tag
== DT_SPARC_REGISTER
)
4796 if (stt_regidx
== -1)
4799 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
4800 if (stt_regidx
== -1)
4803 dyn
.d_un
.d_val
= stt_regidx
++;
4804 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4817 s
= htab
->elf
.srelplt
;
4821 s
= htab
->elf
.srelplt
;
4833 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4835 dyn
.d_un
.d_val
= s
->size
;
4837 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4843 /* Install the first PLT entry in a VxWorks executable and make sure that
4844 .rela.plt.unloaded relocations have the correct symbol indexes. */
4847 sparc_vxworks_finish_exec_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4849 struct _bfd_sparc_elf_link_hash_table
*htab
;
4850 Elf_Internal_Rela rela
;
4854 htab
= _bfd_sparc_elf_hash_table (info
);
4855 BFD_ASSERT (htab
!= NULL
);
4857 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4858 got_base
= (htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
4859 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4860 + htab
->elf
.hgot
->root
.u
.def
.value
);
4862 /* Install the initial PLT entry. */
4863 bfd_put_32 (output_bfd
,
4864 sparc_vxworks_exec_plt0_entry
[0] + ((got_base
+ 8) >> 10),
4865 htab
->elf
.splt
->contents
);
4866 bfd_put_32 (output_bfd
,
4867 sparc_vxworks_exec_plt0_entry
[1] + ((got_base
+ 8) & 0x3ff),
4868 htab
->elf
.splt
->contents
+ 4);
4869 bfd_put_32 (output_bfd
,
4870 sparc_vxworks_exec_plt0_entry
[2],
4871 htab
->elf
.splt
->contents
+ 8);
4872 bfd_put_32 (output_bfd
,
4873 sparc_vxworks_exec_plt0_entry
[3],
4874 htab
->elf
.splt
->contents
+ 12);
4875 bfd_put_32 (output_bfd
,
4876 sparc_vxworks_exec_plt0_entry
[4],
4877 htab
->elf
.splt
->contents
+ 16);
4879 loc
= htab
->srelplt2
->contents
;
4881 /* Add an unloaded relocation for the initial entry's "sethi". */
4882 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4883 + htab
->elf
.splt
->output_offset
);
4884 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4886 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4887 loc
+= sizeof (Elf32_External_Rela
);
4889 /* Likewise the following "or". */
4891 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4892 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4893 loc
+= sizeof (Elf32_External_Rela
);
4895 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4896 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4897 in which symbols were output. */
4898 while (loc
< htab
->srelplt2
->contents
+ htab
->srelplt2
->size
)
4900 Elf_Internal_Rela rel
;
4902 /* The entry's initial "sethi" (against _G_O_T_). */
4903 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4904 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4905 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4906 loc
+= sizeof (Elf32_External_Rela
);
4908 /* The following "or" (also against _G_O_T_). */
4909 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4910 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4911 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4912 loc
+= sizeof (Elf32_External_Rela
);
4914 /* The .got.plt entry (against _P_L_T_). */
4915 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4916 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4917 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4918 loc
+= sizeof (Elf32_External_Rela
);
4922 /* Install the first PLT entry in a VxWorks shared object. */
4925 sparc_vxworks_finish_shared_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4927 struct _bfd_sparc_elf_link_hash_table
*htab
;
4930 htab
= _bfd_sparc_elf_hash_table (info
);
4931 BFD_ASSERT (htab
!= NULL
);
4933 for (i
= 0; i
< ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
); i
++)
4934 bfd_put_32 (output_bfd
, sparc_vxworks_shared_plt0_entry
[i
],
4935 htab
->elf
.splt
->contents
+ i
* 4);
4938 /* Finish up local dynamic symbol handling. We set the contents of
4939 various dynamic sections here. */
4942 finish_local_dynamic_symbol (void **slot
, void *inf
)
4944 struct elf_link_hash_entry
*h
4945 = (struct elf_link_hash_entry
*) *slot
;
4946 struct bfd_link_info
*info
4947 = (struct bfd_link_info
*) inf
;
4949 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4953 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4954 here since undefined weak symbol may not be dynamic and may not be
4955 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4958 pie_finish_undefweak_symbol (struct bfd_hash_entry
*bh
,
4961 struct elf_link_hash_entry
*h
= (struct elf_link_hash_entry
*) bh
;
4962 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
4964 if (h
->root
.type
!= bfd_link_hash_undefweak
4965 || h
->dynindx
!= -1)
4968 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4973 _bfd_sparc_elf_finish_dynamic_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
4977 struct _bfd_sparc_elf_link_hash_table
*htab
;
4979 htab
= _bfd_sparc_elf_hash_table (info
);
4980 BFD_ASSERT (htab
!= NULL
);
4981 dynobj
= htab
->elf
.dynobj
;
4983 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
4985 if (elf_hash_table (info
)->dynamic_sections_created
)
4989 splt
= htab
->elf
.splt
;
4990 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
4992 if (!sparc_finish_dyn (output_bfd
, info
, dynobj
, sdyn
, splt
))
4995 /* Initialize the contents of the .plt section. */
4998 if (htab
->is_vxworks
)
5000 if (bfd_link_pic (info
))
5001 sparc_vxworks_finish_shared_plt (output_bfd
, info
);
5003 sparc_vxworks_finish_exec_plt (output_bfd
, info
);
5007 memset (splt
->contents
, 0, htab
->plt_header_size
);
5008 if (!ABI_64_P (output_bfd
))
5009 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
,
5010 splt
->contents
+ splt
->size
- 4);
5014 if (elf_section_data (splt
->output_section
) != NULL
)
5015 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
5016 = ((htab
->is_vxworks
|| !ABI_64_P (output_bfd
))
5017 ? 0 : htab
->plt_entry_size
);
5020 /* Set the first entry in the global offset table to the address of
5021 the dynamic section. */
5022 if (htab
->elf
.sgot
&& htab
->elf
.sgot
->size
> 0)
5024 bfd_vma val
= (sdyn
?
5025 sdyn
->output_section
->vma
+ sdyn
->output_offset
:
5028 SPARC_ELF_PUT_WORD (htab
, output_bfd
, val
, htab
->elf
.sgot
->contents
);
5032 elf_section_data (htab
->elf
.sgot
->output_section
)->this_hdr
.sh_entsize
=
5033 SPARC_ELF_WORD_BYTES (htab
);
5035 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
5036 htab_traverse (htab
->loc_hash_table
, finish_local_dynamic_symbol
, info
);
5038 /* Fill PLT entries for undefined weak symbols in PIE. */
5039 if (bfd_link_pie (info
))
5040 bfd_hash_traverse (&info
->hash
->table
,
5041 pie_finish_undefweak_symbol
,
5047 /* Set the right machine number for a SPARC ELF file. */
5050 _bfd_sparc_elf_object_p (bfd
*abfd
)
5052 obj_attribute
*attrs
= elf_known_obj_attributes (abfd
)[OBJ_ATTR_GNU
];
5053 obj_attribute
*hwcaps
= &attrs
[Tag_GNU_Sparc_HWCAPS
];
5054 obj_attribute
*hwcaps2
= &attrs
[Tag_GNU_Sparc_HWCAPS2
];
5056 unsigned int v9c_hwcaps_mask
= ELF_SPARC_HWCAP_ASI_BLK_INIT
;
5057 unsigned int v9d_hwcaps_mask
= (ELF_SPARC_HWCAP_FMAF
5058 | ELF_SPARC_HWCAP_VIS3
5059 | ELF_SPARC_HWCAP_HPC
);
5060 unsigned int v9e_hwcaps_mask
= (ELF_SPARC_HWCAP_AES
5061 | ELF_SPARC_HWCAP_DES
5062 | ELF_SPARC_HWCAP_KASUMI
5063 | ELF_SPARC_HWCAP_CAMELLIA
5064 | ELF_SPARC_HWCAP_MD5
5065 | ELF_SPARC_HWCAP_SHA1
5066 | ELF_SPARC_HWCAP_SHA256
5067 | ELF_SPARC_HWCAP_SHA512
5068 | ELF_SPARC_HWCAP_MPMUL
5069 | ELF_SPARC_HWCAP_MONT
5070 | ELF_SPARC_HWCAP_CRC32C
5071 | ELF_SPARC_HWCAP_CBCOND
5072 | ELF_SPARC_HWCAP_PAUSE
);
5073 unsigned int v9v_hwcaps_mask
= (ELF_SPARC_HWCAP_FJFMAU
5074 | ELF_SPARC_HWCAP_IMA
);
5075 unsigned int v9m_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC5
5076 | ELF_SPARC_HWCAP2_MWAIT
5077 | ELF_SPARC_HWCAP2_XMPMUL
5078 | ELF_SPARC_HWCAP2_XMONT
);
5079 unsigned int m8_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC6
5080 | ELF_SPARC_HWCAP2_ONADDSUB
5081 | ELF_SPARC_HWCAP2_ONMUL
5082 | ELF_SPARC_HWCAP2_ONDIV
5083 | ELF_SPARC_HWCAP2_DICTUNP
5084 | ELF_SPARC_HWCAP2_FPCMPSHL
5085 | ELF_SPARC_HWCAP2_RLE
5086 | ELF_SPARC_HWCAP2_SHA3
);
5088 if (ABI_64_P (abfd
))
5090 unsigned long mach
= bfd_mach_sparc_v9
;
5092 if (hwcaps2
->i
& m8_hwcaps2_mask
)
5093 mach
= bfd_mach_sparc_v9m8
;
5094 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
5095 mach
= bfd_mach_sparc_v9m
;
5096 else if (hwcaps
->i
& v9v_hwcaps_mask
)
5097 mach
= bfd_mach_sparc_v9v
;
5098 else if (hwcaps
->i
& v9e_hwcaps_mask
)
5099 mach
= bfd_mach_sparc_v9e
;
5100 else if (hwcaps
->i
& v9d_hwcaps_mask
)
5101 mach
= bfd_mach_sparc_v9d
;
5102 else if (hwcaps
->i
& v9c_hwcaps_mask
)
5103 mach
= bfd_mach_sparc_v9c
;
5104 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
5105 mach
= bfd_mach_sparc_v9b
;
5106 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
5107 mach
= bfd_mach_sparc_v9a
;
5108 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
5112 if (elf_elfheader (abfd
)->e_machine
== EM_SPARC32PLUS
)
5114 if (hwcaps2
->i
& m8_hwcaps2_mask
)
5115 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
5116 bfd_mach_sparc_v8plusm8
);
5117 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
5118 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
5119 bfd_mach_sparc_v8plusm
);
5120 else if (hwcaps
->i
& v9v_hwcaps_mask
)
5121 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
5122 bfd_mach_sparc_v8plusv
);
5123 else if (hwcaps
->i
& v9e_hwcaps_mask
)
5124 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
5125 bfd_mach_sparc_v8pluse
);
5126 else if (hwcaps
->i
& v9d_hwcaps_mask
)
5127 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
5128 bfd_mach_sparc_v8plusd
);
5129 else if (hwcaps
->i
& v9c_hwcaps_mask
)
5130 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
5131 bfd_mach_sparc_v8plusc
);
5132 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
5133 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
5134 bfd_mach_sparc_v8plusb
);
5135 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
5136 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
5137 bfd_mach_sparc_v8plusa
);
5138 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_32PLUS
)
5139 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
5140 bfd_mach_sparc_v8plus
);
5144 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_LEDATA
)
5145 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
5146 bfd_mach_sparc_sparclite_le
);
5148 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
5152 /* Return address for Ith PLT stub in section PLT, for relocation REL
5153 or (bfd_vma) -1 if it should not be included. */
5156 _bfd_sparc_elf_plt_sym_val (bfd_vma i
, const asection
*plt
, const arelent
*rel
)
5158 if (ABI_64_P (plt
->owner
))
5162 i
+= PLT64_HEADER_SIZE
/ PLT64_ENTRY_SIZE
;
5163 if (i
< PLT64_LARGE_THRESHOLD
)
5164 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
;
5166 j
= (i
- PLT64_LARGE_THRESHOLD
) % 160;
5168 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
+ j
* 4 * 6;
5171 return rel
->address
;
5174 /* Merge backend specific data from an object file to the output
5175 object file when linking. */
5178 _bfd_sparc_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
5180 bfd
*obfd
= info
->output_bfd
;
5181 obj_attribute
*in_attr
, *in_attrs
;
5182 obj_attribute
*out_attr
, *out_attrs
;
5184 if (!elf_known_obj_attributes_proc (obfd
)[0].i
)
5186 /* This is the first object. Copy the attributes. */
5187 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
5189 /* Use the Tag_null value to indicate the attributes have been
5191 elf_known_obj_attributes_proc (obfd
)[0].i
= 1;
5196 in_attrs
= elf_known_obj_attributes (ibfd
)[OBJ_ATTR_GNU
];
5197 out_attrs
= elf_known_obj_attributes (obfd
)[OBJ_ATTR_GNU
];
5199 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS
];
5200 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS
];
5202 out_attr
->i
|= in_attr
->i
;
5205 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS2
];
5206 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS2
];
5208 out_attr
->i
|= in_attr
->i
;
5211 /* Merge Tag_compatibility attributes and any common GNU ones. */
5212 _bfd_elf_merge_object_attributes (ibfd
, info
);