Commit | Line | Data |
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252b5132 | 1 | /* BFD back-end for Sparc COFF files. |
eac93a98 | 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000, 2001, |
2c3fc389 | 3 | 2002, 2003, 2005, 2007, 2008, 2012 Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Cygnus Support. |
5 | ||
cd123cb7 NC |
6 | This file is part of BFD, the Binary File Descriptor library. |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | MA 02110-1301, USA. */ | |
252b5132 | 22 | |
252b5132 | 23 | #include "sysdep.h" |
3db64b00 | 24 | #include "bfd.h" |
252b5132 RH |
25 | #include "libbfd.h" |
26 | #include "coff/sparc.h" | |
27 | #include "coff/internal.h" | |
28 | #include "libcoff.h" | |
29 | ||
30 | #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) | |
31 | ||
32 | #define BADMAG(x) ((x).f_magic != SPARCMAGIC && (x).f_magic != LYNXCOFFMAGIC) | |
33 | ||
34 | /* The page size is a guess based on ELF. */ | |
35 | #define COFF_PAGE_SIZE 0x10000 | |
36 | ||
37 | enum reloc_type | |
38 | { | |
39 | R_SPARC_NONE = 0, | |
cbfe05c4 KH |
40 | R_SPARC_8, R_SPARC_16, R_SPARC_32, |
41 | R_SPARC_DISP8, R_SPARC_DISP16, R_SPARC_DISP32, | |
252b5132 RH |
42 | R_SPARC_WDISP30, R_SPARC_WDISP22, |
43 | R_SPARC_HI22, R_SPARC_22, | |
44 | R_SPARC_13, R_SPARC_LO10, | |
45 | R_SPARC_GOT10, R_SPARC_GOT13, R_SPARC_GOT22, | |
46 | R_SPARC_PC10, R_SPARC_PC22, | |
47 | R_SPARC_WPLT30, | |
48 | R_SPARC_COPY, | |
49 | R_SPARC_GLOB_DAT, R_SPARC_JMP_SLOT, | |
50 | R_SPARC_RELATIVE, | |
51 | R_SPARC_UA32, | |
52 | R_SPARC_max | |
53 | }; | |
54 | ||
252b5132 | 55 | /* This is stolen pretty directly from elf.c. */ |
252b5132 RH |
56 | |
57 | static bfd_reloc_status_type | |
2c3fc389 NC |
58 | bfd_coff_generic_reloc (bfd *abfd ATTRIBUTE_UNUSED, |
59 | arelent *reloc_entry, | |
60 | asymbol *symbol, | |
61 | void * data ATTRIBUTE_UNUSED, | |
62 | asection *input_section, | |
63 | bfd *output_bfd, | |
64 | char **error_message ATTRIBUTE_UNUSED) | |
252b5132 RH |
65 | { |
66 | if (output_bfd != (bfd *) NULL | |
67 | && (symbol->flags & BSF_SECTION_SYM) == 0) | |
68 | { | |
69 | reloc_entry->address += input_section->output_offset; | |
70 | return bfd_reloc_ok; | |
71 | } | |
72 | ||
73 | return bfd_reloc_continue; | |
74 | } | |
75 | ||
cbfe05c4 | 76 | static reloc_howto_type coff_sparc_howto_table[] = |
252b5132 | 77 | { |
b34976b6 AM |
78 | HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_NONE", FALSE,0,0x00000000,TRUE), |
79 | HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_8", FALSE,0,0x000000ff,TRUE), | |
80 | HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_16", FALSE,0,0x0000ffff,TRUE), | |
81 | HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_32", FALSE,0,0xffffffff,TRUE), | |
82 | HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE), | |
83 | HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE), | |
84 | HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP32", FALSE,0,0x00ffffff,TRUE), | |
85 | HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE), | |
86 | HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE), | |
87 | HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_HI22", FALSE,0,0x003fffff,TRUE), | |
88 | HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_22", FALSE,0,0x003fffff,TRUE), | |
89 | HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_13", FALSE,0,0x00001fff,TRUE), | |
90 | HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_LO10", FALSE,0,0x000003ff,TRUE), | |
91 | HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE), | |
92 | HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE), | |
93 | HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE), | |
94 | HOWTO(R_SPARC_PC10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_PC10", FALSE,0,0x000003ff,TRUE), | |
95 | HOWTO(R_SPARC_PC22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_PC22", FALSE,0,0x003fffff,TRUE), | |
96 | HOWTO(R_SPARC_WPLT30, 0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_WPLT30", FALSE,0,0x00000000,TRUE), | |
97 | HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_COPY", FALSE,0,0x00000000,TRUE), | |
98 | HOWTO(R_SPARC_GLOB_DAT,0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE), | |
99 | HOWTO(R_SPARC_JMP_SLOT,0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE), | |
100 | HOWTO(R_SPARC_RELATIVE,0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE), | |
101 | HOWTO(R_SPARC_UA32, 0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_UA32", FALSE,0,0x00000000,TRUE), | |
252b5132 RH |
102 | }; |
103 | ||
2c3fc389 NC |
104 | struct coff_reloc_map |
105 | { | |
252b5132 RH |
106 | bfd_reloc_code_real_type bfd_reloc_val; |
107 | unsigned char coff_reloc_val; | |
108 | }; | |
109 | ||
dc810e39 | 110 | static const struct coff_reloc_map sparc_reloc_map[] = |
252b5132 RH |
111 | { |
112 | { BFD_RELOC_NONE, R_SPARC_NONE, }, | |
113 | { BFD_RELOC_16, R_SPARC_16, }, | |
114 | { BFD_RELOC_8, R_SPARC_8 }, | |
115 | { BFD_RELOC_8_PCREL, R_SPARC_DISP8 }, | |
116 | { BFD_RELOC_CTOR, R_SPARC_32 }, /* @@ Assumes 32 bits. */ | |
117 | { BFD_RELOC_32, R_SPARC_32 }, | |
118 | { BFD_RELOC_32_PCREL, R_SPARC_DISP32 }, | |
119 | { BFD_RELOC_HI22, R_SPARC_HI22 }, | |
120 | { BFD_RELOC_LO10, R_SPARC_LO10, }, | |
121 | { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 }, | |
122 | { BFD_RELOC_SPARC22, R_SPARC_22 }, | |
123 | { BFD_RELOC_SPARC13, R_SPARC_13 }, | |
124 | { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 }, | |
125 | { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 }, | |
126 | { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 }, | |
127 | { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 }, | |
128 | { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 }, | |
129 | { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 }, | |
130 | { BFD_RELOC_SPARC_COPY, R_SPARC_COPY }, | |
131 | { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT }, | |
132 | { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT }, | |
133 | { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE }, | |
134 | { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 }, | |
135 | /* { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */ | |
136 | }; | |
137 | ||
138 | static reloc_howto_type * | |
2c3fc389 NC |
139 | coff_sparc_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
140 | bfd_reloc_code_real_type code) | |
252b5132 RH |
141 | { |
142 | unsigned int i; | |
143 | for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct coff_reloc_map); i++) | |
144 | { | |
145 | if (sparc_reloc_map[i].bfd_reloc_val == code) | |
146 | return &coff_sparc_howto_table[(int) sparc_reloc_map[i].coff_reloc_val]; | |
147 | } | |
148 | return 0; | |
149 | } | |
150 | #define coff_bfd_reloc_type_lookup coff_sparc_reloc_type_lookup | |
151 | ||
157090f7 AM |
152 | static reloc_howto_type * |
153 | coff_sparc_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
154 | const char *r_name) | |
155 | { | |
156 | unsigned int i; | |
157 | ||
158 | for (i = 0; | |
159 | i < (sizeof (coff_sparc_howto_table) | |
160 | / sizeof (coff_sparc_howto_table[0])); | |
161 | i++) | |
162 | if (coff_sparc_howto_table[i].name != NULL | |
163 | && strcasecmp (coff_sparc_howto_table[i].name, r_name) == 0) | |
164 | return &coff_sparc_howto_table[i]; | |
165 | ||
166 | return NULL; | |
167 | } | |
168 | #define coff_bfd_reloc_name_lookup coff_sparc_reloc_name_lookup | |
169 | ||
252b5132 | 170 | static void |
2c3fc389 | 171 | rtype2howto (arelent *cache_ptr, struct internal_reloc *dst) |
252b5132 RH |
172 | { |
173 | BFD_ASSERT (dst->r_type < (unsigned int) R_SPARC_max); | |
174 | cache_ptr->howto = &coff_sparc_howto_table[dst->r_type]; | |
175 | } | |
176 | ||
177 | #define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry) | |
178 | ||
dc810e39 AM |
179 | #define SWAP_IN_RELOC_OFFSET H_GET_32 |
180 | #define SWAP_OUT_RELOC_OFFSET H_PUT_32 | |
252b5132 RH |
181 | #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \ |
182 | cache_ptr->addend = reloc.r_offset; | |
183 | ||
184 | /* Clear the r_spare field in relocs. */ | |
185 | #define SWAP_OUT_RELOC_EXTRA(abfd,src,dst) \ | |
186 | do { \ | |
187 | dst->r_spare[0] = 0; \ | |
188 | dst->r_spare[1] = 0; \ | |
189 | } while (0) | |
190 | ||
191 | #define __A_MAGIC_SET__ | |
192 | ||
cbfe05c4 | 193 | /* Enable Sparc-specific hacks in coffcode.h. */ |
252b5132 RH |
194 | |
195 | #define COFF_SPARC | |
196 | ||
2b5c217d NC |
197 | #define bfd_pe_print_pdata NULL |
198 | ||
252b5132 RH |
199 | #include "coffcode.h" |
200 | ||
c3c89269 NC |
201 | #ifndef TARGET_SYM |
202 | #define TARGET_SYM sparccoff_vec | |
252b5132 | 203 | #endif |
252b5132 | 204 | |
c3c89269 NC |
205 | #ifndef TARGET_NAME |
206 | #define TARGET_NAME "coff-sparc" | |
207 | #endif | |
252b5132 | 208 | |
3fa78519 | 209 | CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, D_PAGED, 0, '_', NULL, COFF_SWAP_TABLE) |