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sh.h (78828) sh.h (91041)
1/* SH ELF support for BFD.
1/* SH ELF support for BFD.
2 Copyright 1998, 2000 Free Software Foundation, Inc.
2 Copyright 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
3
4 This file is part of BFD, the Binary File Descriptor library.
5
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 2 of the License, or
9 (at your option) any later version.
10

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29#define EF_SH3 3
30#define EF_SH_HAS_DSP(flags) ((flags) & 4)
31#define EF_SH_DSP 4
32#define EF_SH3_DSP 5
33#define EF_SH_HAS_FP(flags) ((flags) & 8)
34#define EF_SH3E 8
35#define EF_SH4 9
36
3
4 This file is part of BFD, the Binary File Descriptor library.
5
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 2 of the License, or
9 (at your option) any later version.
10

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29#define EF_SH3 3
30#define EF_SH_HAS_DSP(flags) ((flags) & 4)
31#define EF_SH_DSP 4
32#define EF_SH3_DSP 5
33#define EF_SH_HAS_FP(flags) ((flags) & 8)
34#define EF_SH3E 8
35#define EF_SH4 9
36
37/* This one can only mix in objects from other EF_SH5 objects. */
38#define EF_SH5 10
39
37#define EF_SH_MERGE_MACH(mach1, mach2) \
38 (((((mach1) == EF_SH3 || (mach1) == EF_SH_UNKNOWN) && (mach2) == EF_SH_DSP) \
39 || ((mach1) == EF_SH_DSP \
40 && ((mach2) == EF_SH3 || (mach2) == EF_SH_UNKNOWN))) \
41 ? EF_SH3_DSP \
42 : (((mach1) < EF_SH3 && (mach2) == EF_SH_UNKNOWN) \
43 || ((mach2) < EF_SH3 && (mach1) == EF_SH_UNKNOWN)) \
44 ? EF_SH3 \
45 : (((mach1) == EF_SH3E && (mach2) == EF_SH_UNKNOWN) \
46 || ((mach2) == EF_SH3E && (mach1) == EF_SH_UNKNOWN)) \
47 ? EF_SH4 \
48 : ((mach1) > (mach2) ? (mach1) : (mach2)))
49
40#define EF_SH_MERGE_MACH(mach1, mach2) \
41 (((((mach1) == EF_SH3 || (mach1) == EF_SH_UNKNOWN) && (mach2) == EF_SH_DSP) \
42 || ((mach1) == EF_SH_DSP \
43 && ((mach2) == EF_SH3 || (mach2) == EF_SH_UNKNOWN))) \
44 ? EF_SH3_DSP \
45 : (((mach1) < EF_SH3 && (mach2) == EF_SH_UNKNOWN) \
46 || ((mach2) < EF_SH3 && (mach1) == EF_SH_UNKNOWN)) \
47 ? EF_SH3 \
48 : (((mach1) == EF_SH3E && (mach2) == EF_SH_UNKNOWN) \
49 || ((mach2) == EF_SH3E && (mach1) == EF_SH_UNKNOWN)) \
50 ? EF_SH4 \
51 : ((mach1) > (mach2) ? (mach1) : (mach2)))
52
53/* Flags for the st_other symbol field.
54 Keep away from the STV_ visibility flags (bit 0..1). */
55
56/* A reference to this symbol should by default add 1. */
57#define STO_SH5_ISA32 (1 << 2)
58
59/* Section contains only SHmedia code (no SHcompact code). */
60#define SHF_SH5_ISA32 0x40000000
61
62/* Section contains both SHmedia and SHcompact code, and possibly also
63 constants. */
64#define SHF_SH5_ISA32_MIXED 0x20000000
65
66/* If applied to a .cranges section, marks that the section is sorted by
67 increasing cr_addr values. */
68#define SHT_SH5_CR_SORTED 0x80000001
69
70/* Symbol should be handled as DataLabel (attached to global SHN_UNDEF
71 symbols). */
72#define STT_DATALABEL STT_LOPROC
73
74#define SH64_CRANGES_SECTION_NAME ".cranges"
75enum sh64_elf_cr_type {
76 CRT_NONE = 0,
77 CRT_DATA = 1,
78 CRT_SH5_ISA16 = 2,
79 CRT_SH5_ISA32 = 3
80};
81
82/* The official definition is this:
83
84 typedef struct {
85 Elf32_Addr cr_addr;
86 Elf32_Word cr_size;
87 Elf32_Half cr_type;
88 } Elf32_CRange;
89
90 but we have no use for that exact type. Instead we use this struct for
91 the internal representation. */
92typedef struct {
93 bfd_vma cr_addr;
94 bfd_size_type cr_size;
95 enum sh64_elf_cr_type cr_type;
96} sh64_elf_crange;
97
98#define SH64_CRANGE_SIZE (4 + 4 + 2)
99#define SH64_CRANGE_CR_ADDR_OFFSET 0
100#define SH64_CRANGE_CR_SIZE_OFFSET 4
101#define SH64_CRANGE_CR_TYPE_OFFSET (4 + 4)
102
103/* Get the contents type of an arbitrary address, or return CRT_NONE. */
104extern enum sh64_elf_cr_type sh64_get_contents_type
105 PARAMS ((asection *, bfd_vma, sh64_elf_crange *));
106
107/* Simpler interface.
108 FIXME: This seems redundant now that we export the interface above. */
109extern boolean sh64_address_is_shmedia PARAMS ((asection *, bfd_vma));
110
111/* We put this in elf_section_data (section)->tdata. */
112struct sh64_section_data
113{
114 flagword contents_flags;
115
116 /* Only used in the cranges section, but we don't have an official
117 backend-specific bfd field. */
118 bfd_size_type cranges_growth;
119};
120
121#define sh64_elf_section_data(sec) \
122 ((struct sh64_section_data *) ((elf_section_data (sec))->tdata))
123
50#include "elf/reloc-macros.h"
51
52/* Relocations. */
53/* Relocations 25ff are GNU extensions.
54 25..33 are used for relaxation and use the same constants as COFF uses. */
55START_RELOC_NUMBERS (elf_sh_reloc_type)
56 RELOC_NUMBER (R_SH_NONE, 0)
57 RELOC_NUMBER (R_SH_DIR32, 1)

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74 RELOC_NUMBER (R_SH_DATA, 31)
75 RELOC_NUMBER (R_SH_LABEL, 32)
76 RELOC_NUMBER (R_SH_SWITCH8, 33)
77 RELOC_NUMBER (R_SH_GNU_VTINHERIT, 34)
78 RELOC_NUMBER (R_SH_GNU_VTENTRY, 35)
79 RELOC_NUMBER (R_SH_LOOP_START, 36)
80 RELOC_NUMBER (R_SH_LOOP_END, 37)
81 FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_2, 38)
124#include "elf/reloc-macros.h"
125
126/* Relocations. */
127/* Relocations 25ff are GNU extensions.
128 25..33 are used for relaxation and use the same constants as COFF uses. */
129START_RELOC_NUMBERS (elf_sh_reloc_type)
130 RELOC_NUMBER (R_SH_NONE, 0)
131 RELOC_NUMBER (R_SH_DIR32, 1)

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148 RELOC_NUMBER (R_SH_DATA, 31)
149 RELOC_NUMBER (R_SH_LABEL, 32)
150 RELOC_NUMBER (R_SH_SWITCH8, 33)
151 RELOC_NUMBER (R_SH_GNU_VTINHERIT, 34)
152 RELOC_NUMBER (R_SH_GNU_VTENTRY, 35)
153 RELOC_NUMBER (R_SH_LOOP_START, 36)
154 RELOC_NUMBER (R_SH_LOOP_END, 37)
155 FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_2, 38)
82 FAKE_RELOC (R_SH_LAST_INVALID_RELOC_2, 159)
156 FAKE_RELOC (R_SH_LAST_INVALID_RELOC_2, 44)
157 RELOC_NUMBER (R_SH_DIR5U, 45)
158 RELOC_NUMBER (R_SH_DIR6U, 46)
159 RELOC_NUMBER (R_SH_DIR6S, 47)
160 RELOC_NUMBER (R_SH_DIR10S, 48)
161 RELOC_NUMBER (R_SH_DIR10SW, 49)
162 RELOC_NUMBER (R_SH_DIR10SL, 50)
163 RELOC_NUMBER (R_SH_DIR10SQ, 51)
164 FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_3, 52)
165 FAKE_RELOC (R_SH_LAST_INVALID_RELOC_3, 159)
83 RELOC_NUMBER (R_SH_GOT32, 160)
84 RELOC_NUMBER (R_SH_PLT32, 161)
85 RELOC_NUMBER (R_SH_COPY, 162)
86 RELOC_NUMBER (R_SH_GLOB_DAT, 163)
87 RELOC_NUMBER (R_SH_JMP_SLOT, 164)
88 RELOC_NUMBER (R_SH_RELATIVE, 165)
89 RELOC_NUMBER (R_SH_GOTOFF, 166)
90 RELOC_NUMBER (R_SH_GOTPC, 167)
166 RELOC_NUMBER (R_SH_GOT32, 160)
167 RELOC_NUMBER (R_SH_PLT32, 161)
168 RELOC_NUMBER (R_SH_COPY, 162)
169 RELOC_NUMBER (R_SH_GLOB_DAT, 163)
170 RELOC_NUMBER (R_SH_JMP_SLOT, 164)
171 RELOC_NUMBER (R_SH_RELATIVE, 165)
172 RELOC_NUMBER (R_SH_GOTOFF, 166)
173 RELOC_NUMBER (R_SH_GOTPC, 167)
174 RELOC_NUMBER (R_SH_GOTPLT32, 168)
175 RELOC_NUMBER (R_SH_GOT_LOW16, 169)
176 RELOC_NUMBER (R_SH_GOT_MEDLOW16, 170)
177 RELOC_NUMBER (R_SH_GOT_MEDHI16, 171)
178 RELOC_NUMBER (R_SH_GOT_HI16, 172)
179 RELOC_NUMBER (R_SH_GOTPLT_LOW16, 173)
180 RELOC_NUMBER (R_SH_GOTPLT_MEDLOW16, 174)
181 RELOC_NUMBER (R_SH_GOTPLT_MEDHI16, 175)
182 RELOC_NUMBER (R_SH_GOTPLT_HI16, 176)
183 RELOC_NUMBER (R_SH_PLT_LOW16, 177)
184 RELOC_NUMBER (R_SH_PLT_MEDLOW16, 178)
185 RELOC_NUMBER (R_SH_PLT_MEDHI16, 179)
186 RELOC_NUMBER (R_SH_PLT_HI16, 180)
187 RELOC_NUMBER (R_SH_GOTOFF_LOW16, 181)
188 RELOC_NUMBER (R_SH_GOTOFF_MEDLOW16, 182)
189 RELOC_NUMBER (R_SH_GOTOFF_MEDHI16, 183)
190 RELOC_NUMBER (R_SH_GOTOFF_HI16, 184)
191 RELOC_NUMBER (R_SH_GOTPC_LOW16, 185)
192 RELOC_NUMBER (R_SH_GOTPC_MEDLOW16, 186)
193 RELOC_NUMBER (R_SH_GOTPC_MEDHI16, 187)
194 RELOC_NUMBER (R_SH_GOTPC_HI16, 188)
195 RELOC_NUMBER (R_SH_GOT10BY4, 189)
196 RELOC_NUMBER (R_SH_GOTPLT10BY4, 190)
197 RELOC_NUMBER (R_SH_GOT10BY8, 191)
198 RELOC_NUMBER (R_SH_GOTPLT10BY8, 192)
199 RELOC_NUMBER (R_SH_COPY64, 193)
200 RELOC_NUMBER (R_SH_GLOB_DAT64, 194)
201 RELOC_NUMBER (R_SH_JMP_SLOT64, 195)
202 RELOC_NUMBER (R_SH_RELATIVE64, 196)
203 FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_4, 197)
204 FAKE_RELOC (R_SH_LAST_INVALID_RELOC_4, 241)
205 RELOC_NUMBER (R_SH_SHMEDIA_CODE, 242)
206 RELOC_NUMBER (R_SH_PT_16, 243)
207 RELOC_NUMBER (R_SH_IMMS16, 244)
208 RELOC_NUMBER (R_SH_IMMU16, 245)
209 RELOC_NUMBER (R_SH_IMM_LOW16, 246)
210 RELOC_NUMBER (R_SH_IMM_LOW16_PCREL, 247)
211 RELOC_NUMBER (R_SH_IMM_MEDLOW16, 248)
212 RELOC_NUMBER (R_SH_IMM_MEDLOW16_PCREL, 249)
213 RELOC_NUMBER (R_SH_IMM_MEDHI16, 250)
214 RELOC_NUMBER (R_SH_IMM_MEDHI16_PCREL, 251)
215 RELOC_NUMBER (R_SH_IMM_HI16, 252)
216 RELOC_NUMBER (R_SH_IMM_HI16_PCREL, 253)
217 RELOC_NUMBER (R_SH_64, 254)
218 RELOC_NUMBER (R_SH_64_PCREL, 255)
91END_RELOC_NUMBERS (R_SH_max)
92
93#endif
219END_RELOC_NUMBERS (R_SH_max)
220
221#endif