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1da177e4 LT |
1 | /* |
2 | * This file is subject to the terms and conditions of the GNU General Public | |
3 | * License. See the file "COPYING" in the main directory of this archive | |
4 | * for more details. | |
f039b5d3 RB |
5 | * |
6 | * Much of this is taken from binutils and GNU libc ... | |
1da177e4 LT |
7 | */ |
8 | #ifndef _ASM_ELF_H | |
9 | #define _ASM_ELF_H | |
10 | ||
90cee759 PB |
11 | #include <linux/fs.h> |
12 | #include <uapi/linux/elf.h> | |
1da177e4 | 13 | |
9b26616c MR |
14 | #include <asm/cpu-info.h> |
15 | #include <asm/current.h> | |
16 | ||
1da177e4 LT |
17 | /* ELF header e_flags defines. */ |
18 | /* MIPS architecture level. */ | |
70342287 RB |
19 | #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ |
20 | #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ | |
21 | #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ | |
22 | #define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ | |
23 | #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ | |
24 | #define EF_MIPS_ARCH_32 0x50000000 /* MIPS32 code. */ | |
25 | #define EF_MIPS_ARCH_64 0x60000000 /* MIPS64 code. */ | |
97fb5de1 RB |
26 | #define EF_MIPS_ARCH_32R2 0x70000000 /* MIPS32 R2 code. */ |
27 | #define EF_MIPS_ARCH_64R2 0x80000000 /* MIPS64 R2 code. */ | |
1da177e4 LT |
28 | |
29 | /* The ABI of a file. */ | |
30 | #define EF_MIPS_ABI_O32 0x00001000 /* O32 ABI. */ | |
31 | #define EF_MIPS_ABI_O64 0x00002000 /* O32 extended for 64 bit. */ | |
32 | ||
33 | #define PT_MIPS_REGINFO 0x70000000 | |
34 | #define PT_MIPS_RTPROC 0x70000001 | |
35 | #define PT_MIPS_OPTIONS 0x70000002 | |
6cd96229 | 36 | #define PT_MIPS_ABIFLAGS 0x70000003 |
1da177e4 LT |
37 | |
38 | /* Flags in the e_flags field of the header */ | |
39 | #define EF_MIPS_NOREORDER 0x00000001 | |
40 | #define EF_MIPS_PIC 0x00000002 | |
41 | #define EF_MIPS_CPIC 0x00000004 | |
42 | #define EF_MIPS_ABI2 0x00000020 | |
43 | #define EF_MIPS_OPTIONS_FIRST 0x00000080 | |
44 | #define EF_MIPS_32BITMODE 0x00000100 | |
597ce172 | 45 | #define EF_MIPS_FP64 0x00000200 |
1da177e4 LT |
46 | #define EF_MIPS_ABI 0x0000f000 |
47 | #define EF_MIPS_ARCH 0xf0000000 | |
48 | ||
49 | #define DT_MIPS_RLD_VERSION 0x70000001 | |
50 | #define DT_MIPS_TIME_STAMP 0x70000002 | |
51 | #define DT_MIPS_ICHECKSUM 0x70000003 | |
52 | #define DT_MIPS_IVERSION 0x70000004 | |
53 | #define DT_MIPS_FLAGS 0x70000005 | |
54 | #define RHF_NONE 0x00000000 | |
55 | #define RHF_HARDWAY 0x00000001 | |
56 | #define RHF_NOTPOT 0x00000002 | |
57 | #define RHF_SGI_ONLY 0x00000010 | |
58 | #define DT_MIPS_BASE_ADDRESS 0x70000006 | |
59 | #define DT_MIPS_CONFLICT 0x70000008 | |
60 | #define DT_MIPS_LIBLIST 0x70000009 | |
61 | #define DT_MIPS_LOCAL_GOTNO 0x7000000a | |
62 | #define DT_MIPS_CONFLICTNO 0x7000000b | |
63 | #define DT_MIPS_LIBLISTNO 0x70000010 | |
64 | #define DT_MIPS_SYMTABNO 0x70000011 | |
65 | #define DT_MIPS_UNREFEXTNO 0x70000012 | |
66 | #define DT_MIPS_GOTSYM 0x70000013 | |
67 | #define DT_MIPS_HIPAGENO 0x70000014 | |
68 | #define DT_MIPS_RLD_MAP 0x70000016 | |
69 | ||
70 | #define R_MIPS_NONE 0 | |
71 | #define R_MIPS_16 1 | |
72 | #define R_MIPS_32 2 | |
73 | #define R_MIPS_REL32 3 | |
74 | #define R_MIPS_26 4 | |
75 | #define R_MIPS_HI16 5 | |
76 | #define R_MIPS_LO16 6 | |
77 | #define R_MIPS_GPREL16 7 | |
78 | #define R_MIPS_LITERAL 8 | |
79 | #define R_MIPS_GOT16 9 | |
80 | #define R_MIPS_PC16 10 | |
81 | #define R_MIPS_CALL16 11 | |
82 | #define R_MIPS_GPREL32 12 | |
83 | /* The remaining relocs are defined on Irix, although they are not | |
70342287 | 84 | in the MIPS ELF ABI. */ |
1da177e4 LT |
85 | #define R_MIPS_UNUSED1 13 |
86 | #define R_MIPS_UNUSED2 14 | |
87 | #define R_MIPS_UNUSED3 15 | |
88 | #define R_MIPS_SHIFT5 16 | |
89 | #define R_MIPS_SHIFT6 17 | |
90 | #define R_MIPS_64 18 | |
91 | #define R_MIPS_GOT_DISP 19 | |
92 | #define R_MIPS_GOT_PAGE 20 | |
93 | #define R_MIPS_GOT_OFST 21 | |
94 | /* | |
95 | * The following two relocation types are specified in the MIPS ABI | |
96 | * conformance guide version 1.2 but not yet in the psABI. | |
97 | */ | |
98 | #define R_MIPS_GOTHI16 22 | |
99 | #define R_MIPS_GOTLO16 23 | |
100 | #define R_MIPS_SUB 24 | |
101 | #define R_MIPS_INSERT_A 25 | |
102 | #define R_MIPS_INSERT_B 26 | |
103 | #define R_MIPS_DELETE 27 | |
104 | #define R_MIPS_HIGHER 28 | |
105 | #define R_MIPS_HIGHEST 29 | |
106 | /* | |
107 | * The following two relocation types are specified in the MIPS ABI | |
108 | * conformance guide version 1.2 but not yet in the psABI. | |
109 | */ | |
110 | #define R_MIPS_CALLHI16 30 | |
111 | #define R_MIPS_CALLLO16 31 | |
112 | /* | |
113 | * This range is reserved for vendor specific relocations. | |
114 | */ | |
115 | #define R_MIPS_LOVENDOR 100 | |
116 | #define R_MIPS_HIVENDOR 127 | |
117 | ||
f039b5d3 RB |
118 | #define SHN_MIPS_ACCOMON 0xff00 /* Allocated common symbols */ |
119 | #define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */ | |
120 | #define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */ | |
121 | #define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */ | |
122 | #define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */ | |
1da177e4 LT |
123 | |
124 | #define SHT_MIPS_LIST 0x70000000 | |
125 | #define SHT_MIPS_CONFLICT 0x70000002 | |
126 | #define SHT_MIPS_GPTAB 0x70000003 | |
127 | #define SHT_MIPS_UCODE 0x70000004 | |
84ada9f8 RB |
128 | #define SHT_MIPS_DEBUG 0x70000005 |
129 | #define SHT_MIPS_REGINFO 0x70000006 | |
130 | #define SHT_MIPS_PACKAGE 0x70000007 | |
131 | #define SHT_MIPS_PACKSYM 0x70000008 | |
132 | #define SHT_MIPS_RELD 0x70000009 | |
133 | #define SHT_MIPS_IFACE 0x7000000b | |
134 | #define SHT_MIPS_CONTENT 0x7000000c | |
135 | #define SHT_MIPS_OPTIONS 0x7000000d | |
136 | #define SHT_MIPS_SHDR 0x70000010 | |
137 | #define SHT_MIPS_FDESC 0x70000011 | |
138 | #define SHT_MIPS_EXTSYM 0x70000012 | |
139 | #define SHT_MIPS_DENSE 0x70000013 | |
140 | #define SHT_MIPS_PDESC 0x70000014 | |
141 | #define SHT_MIPS_LOCSYM 0x70000015 | |
142 | #define SHT_MIPS_AUXSYM 0x70000016 | |
143 | #define SHT_MIPS_OPTSYM 0x70000017 | |
144 | #define SHT_MIPS_LOCSTR 0x70000018 | |
145 | #define SHT_MIPS_LINE 0x70000019 | |
146 | #define SHT_MIPS_RFDESC 0x7000001a | |
147 | #define SHT_MIPS_DELTASYM 0x7000001b | |
148 | #define SHT_MIPS_DELTAINST 0x7000001c | |
149 | #define SHT_MIPS_DELTACLASS 0x7000001d | |
150 | #define SHT_MIPS_DWARF 0x7000001e | |
151 | #define SHT_MIPS_DELTADECL 0x7000001f | |
152 | #define SHT_MIPS_SYMBOL_LIB 0x70000020 | |
153 | #define SHT_MIPS_EVENTS 0x70000021 | |
154 | #define SHT_MIPS_TRANSLATE 0x70000022 | |
155 | #define SHT_MIPS_PIXIE 0x70000023 | |
156 | #define SHT_MIPS_XLATE 0x70000024 | |
157 | #define SHT_MIPS_XLATE_DEBUG 0x70000025 | |
158 | #define SHT_MIPS_WHIRL 0x70000026 | |
159 | #define SHT_MIPS_EH_REGION 0x70000027 | |
160 | #define SHT_MIPS_XLATE_OLD 0x70000028 | |
161 | #define SHT_MIPS_PDR_EXCEPTION 0x70000029 | |
1da177e4 | 162 | |
84ada9f8 RB |
163 | #define SHF_MIPS_GPREL 0x10000000 |
164 | #define SHF_MIPS_MERGE 0x20000000 | |
165 | #define SHF_MIPS_ADDR 0x40000000 | |
166 | #define SHF_MIPS_STRING 0x80000000 | |
167 | #define SHF_MIPS_NOSTRIP 0x08000000 | |
168 | #define SHF_MIPS_LOCAL 0x04000000 | |
169 | #define SHF_MIPS_NAMES 0x02000000 | |
170 | #define SHF_MIPS_NODUPES 0x01000000 | |
1da177e4 LT |
171 | |
172 | #ifndef ELF_ARCH | |
173 | /* ELF register definitions */ | |
174 | #define ELF_NGREG 45 | |
175 | #define ELF_NFPREG 33 | |
176 | ||
177 | typedef unsigned long elf_greg_t; | |
178 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | |
179 | ||
180 | typedef double elf_fpreg_t; | |
181 | typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; | |
182 | ||
6cd96229 PB |
183 | struct mips_elf_abiflags_v0 { |
184 | uint16_t version; /* Version of flags structure */ | |
185 | uint8_t isa_level; /* The level of the ISA: 1-5, 32, 64 */ | |
186 | uint8_t isa_rev; /* The revision of ISA: 0 for MIPS V and below, | |
187 | 1-n otherwise */ | |
188 | uint8_t gpr_size; /* The size of general purpose registers */ | |
189 | uint8_t cpr1_size; /* The size of co-processor 1 registers */ | |
190 | uint8_t cpr2_size; /* The size of co-processor 2 registers */ | |
191 | uint8_t fp_abi; /* The floating-point ABI */ | |
192 | uint32_t isa_ext; /* Mask of processor-specific extensions */ | |
193 | uint32_t ases; /* Mask of ASEs used */ | |
194 | uint32_t flags1; /* Mask of general flags */ | |
195 | uint32_t flags2; | |
196 | }; | |
197 | ||
198 | #define MIPS_ABI_FP_ANY 0 /* FP ABI doesn't matter */ | |
199 | #define MIPS_ABI_FP_DOUBLE 1 /* -mdouble-float */ | |
200 | #define MIPS_ABI_FP_SINGLE 2 /* -msingle-float */ | |
201 | #define MIPS_ABI_FP_SOFT 3 /* -msoft-float */ | |
202 | #define MIPS_ABI_FP_OLD_64 4 /* -mips32r2 -mfp64 */ | |
203 | #define MIPS_ABI_FP_XX 5 /* -mfpxx */ | |
204 | #define MIPS_ABI_FP_64 6 /* -mips32r2 -mfp64 */ | |
205 | #define MIPS_ABI_FP_64A 7 /* -mips32r2 -mfp64 -mno-odd-spreg */ | |
206 | ||
875d43e7 | 207 | #ifdef CONFIG_32BIT |
1da177e4 | 208 | |
597ce172 PB |
209 | /* |
210 | * In order to be sure that we don't attempt to execute an O32 binary which | |
211 | * requires 64 bit FP (FR=1) on a system which does not support it we refuse | |
212 | * to execute any binary which has bits specified by the following macro set | |
213 | * in its ELF header flags. | |
214 | */ | |
215 | #ifdef CONFIG_MIPS_O32_FP64_SUPPORT | |
216 | # define __MIPS_O32_FP64_MUST_BE_ZERO 0 | |
217 | #else | |
218 | # define __MIPS_O32_FP64_MUST_BE_ZERO EF_MIPS_FP64 | |
219 | #endif | |
220 | ||
1da177e4 LT |
221 | /* |
222 | * This is used to ensure we don't load something for the wrong architecture. | |
223 | */ | |
224 | #define elf_check_arch(hdr) \ | |
225 | ({ \ | |
226 | int __res = 1; \ | |
227 | struct elfhdr *__h = (hdr); \ | |
228 | \ | |
229 | if (__h->e_machine != EM_MIPS) \ | |
230 | __res = 0; \ | |
231 | if (__h->e_ident[EI_CLASS] != ELFCLASS32) \ | |
232 | __res = 0; \ | |
233 | if ((__h->e_flags & EF_MIPS_ABI2) != 0) \ | |
234 | __res = 0; \ | |
235 | if (((__h->e_flags & EF_MIPS_ABI) != 0) && \ | |
236 | ((__h->e_flags & EF_MIPS_ABI) != EF_MIPS_ABI_O32)) \ | |
597ce172 PB |
237 | __res = 0; \ |
238 | if (__h->e_flags & __MIPS_O32_FP64_MUST_BE_ZERO) \ | |
1da177e4 LT |
239 | __res = 0; \ |
240 | \ | |
241 | __res; \ | |
242 | }) | |
243 | ||
244 | /* | |
245 | * These are used to set parameters in the core dumps. | |
246 | */ | |
247 | #define ELF_CLASS ELFCLASS32 | |
248 | ||
875d43e7 | 249 | #endif /* CONFIG_32BIT */ |
1da177e4 | 250 | |
875d43e7 | 251 | #ifdef CONFIG_64BIT |
1da177e4 LT |
252 | /* |
253 | * This is used to ensure we don't load something for the wrong architecture. | |
254 | */ | |
255 | #define elf_check_arch(hdr) \ | |
256 | ({ \ | |
257 | int __res = 1; \ | |
258 | struct elfhdr *__h = (hdr); \ | |
259 | \ | |
260 | if (__h->e_machine != EM_MIPS) \ | |
261 | __res = 0; \ | |
70342287 | 262 | if (__h->e_ident[EI_CLASS] != ELFCLASS64) \ |
1da177e4 LT |
263 | __res = 0; \ |
264 | \ | |
265 | __res; \ | |
266 | }) | |
267 | ||
268 | /* | |
269 | * These are used to set parameters in the core dumps. | |
270 | */ | |
271 | #define ELF_CLASS ELFCLASS64 | |
272 | ||
875d43e7 | 273 | #endif /* CONFIG_64BIT */ |
1da177e4 LT |
274 | |
275 | /* | |
276 | * These are used to set parameters in the core dumps. | |
277 | */ | |
278 | #ifdef __MIPSEB__ | |
279 | #define ELF_DATA ELFDATA2MSB | |
08d9d1c4 | 280 | #elif defined(__MIPSEL__) |
1da177e4 LT |
281 | #define ELF_DATA ELFDATA2LSB |
282 | #endif | |
283 | #define ELF_ARCH EM_MIPS | |
284 | ||
285 | #endif /* !defined(ELF_ARCH) */ | |
286 | ||
e50c0a8f RB |
287 | struct mips_abi; |
288 | ||
289 | extern struct mips_abi mips_abi; | |
290 | extern struct mips_abi mips_abi_32; | |
291 | extern struct mips_abi mips_abi_n32; | |
292 | ||
875d43e7 | 293 | #ifdef CONFIG_32BIT |
1da177e4 | 294 | |
90cee759 | 295 | #define SET_PERSONALITY2(ex, state) \ |
e50c0a8f | 296 | do { \ |
1c0d52b9 DD |
297 | if (personality(current->personality) != PER_LINUX) \ |
298 | set_personality(PER_LINUX); \ | |
e50c0a8f | 299 | \ |
48f8eaee MC |
300 | clear_thread_flag(TIF_HYBRID_FPREGS); \ |
301 | set_thread_flag(TIF_32BIT_FPREGS); \ | |
302 | \ | |
90cee759 PB |
303 | mips_set_personality_fp(state); \ |
304 | \ | |
e50c0a8f | 305 | current->thread.abi = &mips_abi; \ |
9b26616c MR |
306 | \ |
307 | current->thread.fpu.fcr31 = current_cpu_data.fpu_csr31; \ | |
1da177e4 LT |
308 | } while (0) |
309 | ||
875d43e7 | 310 | #endif /* CONFIG_32BIT */ |
1da177e4 | 311 | |
875d43e7 | 312 | #ifdef CONFIG_64BIT |
1da177e4 | 313 | |
e50c0a8f RB |
314 | #ifdef CONFIG_MIPS32_N32 |
315 | #define __SET_PERSONALITY32_N32() \ | |
316 | do { \ | |
293c5bd1 | 317 | set_thread_flag(TIF_32BIT_ADDR); \ |
e50c0a8f RB |
318 | current->thread.abi = &mips_abi_n32; \ |
319 | } while (0) | |
320 | #else | |
321 | #define __SET_PERSONALITY32_N32() \ | |
322 | do { } while (0) | |
323 | #endif | |
324 | ||
325 | #ifdef CONFIG_MIPS32_O32 | |
90cee759 | 326 | #define __SET_PERSONALITY32_O32(ex, state) \ |
e50c0a8f | 327 | do { \ |
293c5bd1 RB |
328 | set_thread_flag(TIF_32BIT_REGS); \ |
329 | set_thread_flag(TIF_32BIT_ADDR); \ | |
48f8eaee MC |
330 | clear_thread_flag(TIF_HYBRID_FPREGS); \ |
331 | set_thread_flag(TIF_32BIT_FPREGS); \ | |
597ce172 | 332 | \ |
90cee759 | 333 | mips_set_personality_fp(state); \ |
597ce172 | 334 | \ |
e50c0a8f RB |
335 | current->thread.abi = &mips_abi_32; \ |
336 | } while (0) | |
337 | #else | |
90cee759 | 338 | #define __SET_PERSONALITY32_O32(ex, state) \ |
e50c0a8f RB |
339 | do { } while (0) |
340 | #endif | |
341 | ||
342 | #ifdef CONFIG_MIPS32_COMPAT | |
90cee759 | 343 | #define __SET_PERSONALITY32(ex, state) \ |
e50c0a8f RB |
344 | do { \ |
345 | if ((((ex).e_flags & EF_MIPS_ABI2) != 0) && \ | |
346 | ((ex).e_flags & EF_MIPS_ABI) == 0) \ | |
347 | __SET_PERSONALITY32_N32(); \ | |
348 | else \ | |
90cee759 | 349 | __SET_PERSONALITY32_O32(ex, state); \ |
e50c0a8f RB |
350 | } while (0) |
351 | #else | |
90cee759 | 352 | #define __SET_PERSONALITY32(ex, state) do { } while (0) |
e50c0a8f RB |
353 | #endif |
354 | ||
90cee759 | 355 | #define SET_PERSONALITY2(ex, state) \ |
e50c0a8f | 356 | do { \ |
1c0d52b9 DD |
357 | unsigned int p; \ |
358 | \ | |
293c5bd1 | 359 | clear_thread_flag(TIF_32BIT_REGS); \ |
597ce172 | 360 | clear_thread_flag(TIF_32BIT_FPREGS); \ |
4227a2d4 | 361 | clear_thread_flag(TIF_HYBRID_FPREGS); \ |
293c5bd1 RB |
362 | clear_thread_flag(TIF_32BIT_ADDR); \ |
363 | \ | |
e50c0a8f | 364 | if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ |
90cee759 | 365 | __SET_PERSONALITY32(ex, state); \ |
293c5bd1 | 366 | else \ |
e50c0a8f | 367 | current->thread.abi = &mips_abi; \ |
e50c0a8f | 368 | \ |
9b26616c MR |
369 | current->thread.fpu.fcr31 = current_cpu_data.fpu_csr31; \ |
370 | \ | |
1c0d52b9 DD |
371 | p = personality(current->personality); \ |
372 | if (p != PER_LINUX32 && p != PER_LINUX) \ | |
e50c0a8f | 373 | set_personality(PER_LINUX); \ |
1da177e4 LT |
374 | } while (0) |
375 | ||
875d43e7 | 376 | #endif /* CONFIG_64BIT */ |
1da177e4 | 377 | |
6a9c001b | 378 | #define CORE_DUMP_USE_REGSET |
1da177e4 LT |
379 | #define ELF_EXEC_PAGESIZE PAGE_SIZE |
380 | ||
381 | /* This yields a mask that user programs can use to figure out what | |
382 | instruction set this cpu supports. This could be done in userspace, | |
383 | but it's not easy, and we've already done it here. */ | |
384 | ||
70342287 | 385 | #define ELF_HWCAP (0) |
1da177e4 | 386 | |
874fd3b5 DD |
387 | /* |
388 | * This yields a string that ld.so will use to load implementation | |
70342287 | 389 | * specific libraries for optimization. This is more specific in |
874fd3b5 DD |
390 | * intent than poking at uname or /proc/cpuinfo. |
391 | */ | |
1da177e4 | 392 | |
874fd3b5 DD |
393 | #define ELF_PLATFORM __elf_platform |
394 | extern const char *__elf_platform; | |
1da177e4 LT |
395 | |
396 | /* | |
397 | * See comments in asm-alpha/elf.h, this is the same thing | |
398 | * on the MIPS. | |
399 | */ | |
400 | #define ELF_PLAT_INIT(_r, load_addr) do { \ | |
401 | _r->regs[1] = _r->regs[2] = _r->regs[3] = _r->regs[4] = 0; \ | |
402 | _r->regs[5] = _r->regs[6] = _r->regs[7] = _r->regs[8] = 0; \ | |
403 | _r->regs[9] = _r->regs[10] = _r->regs[11] = _r->regs[12] = 0; \ | |
404 | _r->regs[13] = _r->regs[14] = _r->regs[15] = _r->regs[16] = 0; \ | |
405 | _r->regs[17] = _r->regs[18] = _r->regs[19] = _r->regs[20] = 0; \ | |
406 | _r->regs[21] = _r->regs[22] = _r->regs[23] = _r->regs[24] = 0; \ | |
407 | _r->regs[25] = _r->regs[26] = _r->regs[27] = _r->regs[28] = 0; \ | |
408 | _r->regs[30] = _r->regs[31] = 0; \ | |
409 | } while (0) | |
410 | ||
411 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical | |
412 | use of this is to invoke "./ld.so someprog" to test out a new version of | |
70342287 RB |
413 | the loader. We need to make sure that it is out of the way of the program |
414 | that it will "exec", and that there is sufficient room for the brk. */ | |
1da177e4 LT |
415 | |
416 | #ifndef ELF_ET_DYN_BASE | |
70342287 | 417 | #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) |
1da177e4 LT |
418 | #endif |
419 | ||
c52d0d30 DD |
420 | #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 |
421 | struct linux_binprm; | |
422 | extern int arch_setup_additional_pages(struct linux_binprm *bprm, | |
423 | int uses_interp); | |
652b14aa | 424 | |
90cee759 PB |
425 | struct arch_elf_state { |
426 | int fp_abi; | |
427 | int interp_fp_abi; | |
46490b57 | 428 | int overall_fp_mode; |
90cee759 PB |
429 | }; |
430 | ||
46490b57 MC |
431 | #define MIPS_ABI_FP_UNKNOWN (-1) /* Unknown FP ABI (kernel internal) */ |
432 | ||
90cee759 | 433 | #define INIT_ARCH_ELF_STATE { \ |
46490b57 MC |
434 | .fp_abi = MIPS_ABI_FP_UNKNOWN, \ |
435 | .interp_fp_abi = MIPS_ABI_FP_UNKNOWN, \ | |
436 | .overall_fp_mode = -1, \ | |
90cee759 PB |
437 | } |
438 | ||
439 | extern int arch_elf_pt_proc(void *ehdr, void *phdr, struct file *elf, | |
440 | bool is_interp, struct arch_elf_state *state); | |
441 | ||
442 | extern int arch_check_elf(void *ehdr, bool has_interpreter, | |
443 | struct arch_elf_state *state); | |
444 | ||
445 | extern void mips_set_personality_fp(struct arch_elf_state *state); | |
446 | ||
1da177e4 | 447 | #endif /* _ASM_ELF_H */ |