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-rw-r--r--include/asm-mips/elf.h96
1 files changed, 73 insertions, 23 deletions
diff --git a/include/asm-mips/elf.h b/include/asm-mips/elf.h
index e48811440015..7420f12742bb 100644
--- a/include/asm-mips/elf.h
+++ b/include/asm-mips/elf.h
@@ -2,6 +2,8 @@
2 * This file is subject to the terms and conditions of the GNU General Public 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 3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details. 4 * for more details.
5 *
6 * Much of this is taken from binutils and GNU libc ...
5 */ 7 */
6#ifndef _ASM_ELF_H 8#ifndef _ASM_ELF_H
7#define _ASM_ELF_H 9#define _ASM_ELF_H
@@ -17,6 +19,8 @@
17#define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ 19#define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */
18#define EF_MIPS_ARCH_32 0x50000000 /* MIPS32 code. */ 20#define EF_MIPS_ARCH_32 0x50000000 /* MIPS32 code. */
19#define EF_MIPS_ARCH_64 0x60000000 /* MIPS64 code. */ 21#define EF_MIPS_ARCH_64 0x60000000 /* MIPS64 code. */
22#define EF_MIPS_ARCH_32R2 0x70000000 /* MIPS32 R2 code. */
23#define EF_MIPS_ARCH_64R2 0x80000000 /* MIPS64 R2 code. */
20 24
21/* The ABI of a file. */ 25/* The ABI of a file. */
22#define EF_MIPS_ABI_O32 0x00001000 /* O32 ABI. */ 26#define EF_MIPS_ABI_O32 0x00001000 /* O32 ABI. */
@@ -105,7 +109,11 @@
105#define R_MIPS_LOVENDOR 100 109#define R_MIPS_LOVENDOR 100
106#define R_MIPS_HIVENDOR 127 110#define R_MIPS_HIVENDOR 127
107 111
108#define SHN_MIPS_ACCOMON 0xff00 112#define SHN_MIPS_ACCOMON 0xff00 /* Allocated common symbols */
113#define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */
114#define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */
115#define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */
116#define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */
109 117
110#define SHT_MIPS_LIST 0x70000000 118#define SHT_MIPS_LIST 0x70000000
111#define SHT_MIPS_CONFLICT 0x70000002 119#define SHT_MIPS_CONFLICT 0x70000002
@@ -193,50 +201,92 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
193 201
194#ifdef __KERNEL__ 202#ifdef __KERNEL__
195 203
204struct mips_abi;
205
206extern struct mips_abi mips_abi;
207extern struct mips_abi mips_abi_32;
208extern struct mips_abi mips_abi_n32;
209
196#ifdef CONFIG_32BIT 210#ifdef CONFIG_32BIT
197 211
198#define SET_PERSONALITY(ex, ibcs2) \ 212#define SET_PERSONALITY(ex, ibcs2) \
199do { \ 213do { \
200 if (ibcs2) \ 214 if (ibcs2) \
201 set_personality(PER_SVR4); \ 215 set_personality(PER_SVR4); \
202 set_personality(PER_LINUX); \ 216 set_personality(PER_LINUX); \
217 \
218 current->thread.abi = &mips_abi; \
203} while (0) 219} while (0)
204 220
205#endif /* CONFIG_32BIT */ 221#endif /* CONFIG_32BIT */
206 222
207#ifdef CONFIG_64BIT 223#ifdef CONFIG_64BIT
208 224
209#define SET_PERSONALITY(ex, ibcs2) \ 225#ifdef CONFIG_MIPS32_N32
210do { current->thread.mflags &= ~MF_ABI_MASK; \ 226#define __SET_PERSONALITY32_N32() \
211 if ((ex).e_ident[EI_CLASS] == ELFCLASS32) { \ 227 do { \
212 if ((((ex).e_flags & EF_MIPS_ABI2) != 0) && \ 228 current->thread.mflags |= MF_N32; \
213 ((ex).e_flags & EF_MIPS_ABI) == 0) \ 229 current->thread.abi = &mips_abi_n32; \
214 current->thread.mflags |= MF_N32; \ 230 } while (0)
215 else \ 231#else
216 current->thread.mflags |= MF_O32; \ 232#define __SET_PERSONALITY32_N32() \
217 } else \ 233 do { } while (0)
218 current->thread.mflags |= MF_N64; \ 234#endif
219 if (ibcs2) \ 235
220 set_personality(PER_SVR4); \ 236#ifdef CONFIG_MIPS32_O32
221 else if (current->personality != PER_LINUX32) \ 237#define __SET_PERSONALITY32_O32() \
222 set_personality(PER_LINUX); \ 238 do { \
239 current->thread.mflags |= MF_O32; \
240 current->thread.abi = &mips_abi_32; \
241 } while (0)
242#else
243#define __SET_PERSONALITY32_O32() \
244 do { } while (0)
245#endif
246
247#ifdef CONFIG_MIPS32_COMPAT
248#define __SET_PERSONALITY32(ex) \
249do { \
250 if ((((ex).e_flags & EF_MIPS_ABI2) != 0) && \
251 ((ex).e_flags & EF_MIPS_ABI) == 0) \
252 __SET_PERSONALITY32_N32(); \
253 else \
254 __SET_PERSONALITY32_O32(); \
255} while (0)
256#else
257#define __SET_PERSONALITY32(ex) do { } while (0)
258#endif
259
260#define SET_PERSONALITY(ex, ibcs2) \
261do { \
262 current->thread.mflags &= ~MF_ABI_MASK; \
263 if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
264 __SET_PERSONALITY32(ex); \
265 else { \
266 current->thread.mflags |= MF_N64; \
267 current->thread.abi = &mips_abi; \
268 } \
269 \
270 if (ibcs2) \
271 set_personality(PER_SVR4); \
272 else if (current->personality != PER_LINUX32) \
273 set_personality(PER_LINUX); \
223} while (0) 274} while (0)
224 275
225#endif /* CONFIG_64BIT */ 276#endif /* CONFIG_64BIT */
226 277
227extern void dump_regs(elf_greg_t *, struct pt_regs *regs); 278extern void dump_regs(elf_greg_t *, struct pt_regs *regs);
279extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
228extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *); 280extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *);
229 281
230#define ELF_CORE_COPY_REGS(elf_regs, regs) \ 282#define ELF_CORE_COPY_REGS(elf_regs, regs) \
231 dump_regs((elf_greg_t *)&(elf_regs), regs); 283 dump_regs((elf_greg_t *)&(elf_regs), regs);
284#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
232#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) \ 285#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) \
233 dump_task_fpu(tsk, elf_fpregs) 286 dump_task_fpu(tsk, elf_fpregs)
234 287
235#endif /* __KERNEL__ */ 288#endif /* __KERNEL__ */
236 289
237/* This one accepts IRIX binaries. */
238#define irix_elf_check_arch(hdr) ((hdr)->e_flags & RHF_SGI_ONLY)
239
240#define USE_ELF_CORE_DUMP 290#define USE_ELF_CORE_DUMP
241#define ELF_EXEC_PAGESIZE PAGE_SIZE 291#define ELF_EXEC_PAGESIZE PAGE_SIZE
242 292
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