diff options
Diffstat (limited to 'include/asm-mips/elf.h')
| -rw-r--r-- | include/asm-mips/elf.h | 116 |
1 files changed, 83 insertions, 33 deletions
diff --git a/include/asm-mips/elf.h b/include/asm-mips/elf.h index 7b92c8045cc2..7420f12742bb 100644 --- a/include/asm-mips/elf.h +++ b/include/asm-mips/elf.h @@ -2,6 +2,8 @@ * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. + * + * Much of this is taken from binutils and GNU libc ... */ #ifndef _ASM_ELF_H #define _ASM_ELF_H @@ -17,6 +19,8 @@ #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ #define EF_MIPS_ARCH_32 0x50000000 /* MIPS32 code. */ #define EF_MIPS_ARCH_64 0x60000000 /* MIPS64 code. */ +#define EF_MIPS_ARCH_32R2 0x70000000 /* MIPS32 R2 code. */ +#define EF_MIPS_ARCH_64R2 0x80000000 /* MIPS64 R2 code. */ /* The ABI of a file. */ #define EF_MIPS_ABI_O32 0x00001000 /* O32 ABI. */ @@ -105,7 +109,11 @@ #define R_MIPS_LOVENDOR 100 #define R_MIPS_HIVENDOR 127 -#define SHN_MIPS_ACCOMON 0xff00 +#define SHN_MIPS_ACCOMON 0xff00 /* Allocated common symbols */ +#define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */ +#define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */ +#define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */ +#define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */ #define SHT_MIPS_LIST 0x70000000 #define SHT_MIPS_CONFLICT 0x70000002 @@ -125,7 +133,7 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG]; typedef double elf_fpreg_t; typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; -#ifdef CONFIG_MIPS32 +#ifdef CONFIG_32BIT /* * This is used to ensure we don't load something for the wrong architecture. @@ -153,9 +161,9 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; */ #define ELF_CLASS ELFCLASS32 -#endif /* CONFIG_MIPS32 */ +#endif /* CONFIG_32BIT */ -#ifdef CONFIG_MIPS64 +#ifdef CONFIG_64BIT /* * This is used to ensure we don't load something for the wrong architecture. */ @@ -177,7 +185,7 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; */ #define ELF_CLASS ELFCLASS64 -#endif /* CONFIG_MIPS64 */ +#endif /* CONFIG_64BIT */ /* * These are used to set parameters in the core dumps. @@ -193,50 +201,92 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; #ifdef __KERNEL__ -#ifdef CONFIG_MIPS32 +struct mips_abi; -#define SET_PERSONALITY(ex, ibcs2) \ -do { \ - if (ibcs2) \ - set_personality(PER_SVR4); \ - set_personality(PER_LINUX); \ +extern struct mips_abi mips_abi; +extern struct mips_abi mips_abi_32; +extern struct mips_abi mips_abi_n32; + +#ifdef CONFIG_32BIT + +#define SET_PERSONALITY(ex, ibcs2) \ +do { \ + if (ibcs2) \ + set_personality(PER_SVR4); \ + set_personality(PER_LINUX); \ + \ + current->thread.abi = &mips_abi; \ +} while (0) + +#endif /* CONFIG_32BIT */ + +#ifdef CONFIG_64BIT + +#ifdef CONFIG_MIPS32_N32 +#define __SET_PERSONALITY32_N32() \ + do { \ + current->thread.mflags |= MF_N32; \ + current->thread.abi = &mips_abi_n32; \ + } while (0) +#else +#define __SET_PERSONALITY32_N32() \ + do { } while (0) +#endif + +#ifdef CONFIG_MIPS32_O32 +#define __SET_PERSONALITY32_O32() \ + do { \ + current->thread.mflags |= MF_O32; \ + current->thread.abi = &mips_abi_32; \ + } while (0) +#else +#define __SET_PERSONALITY32_O32() \ + do { } while (0) +#endif + +#ifdef CONFIG_MIPS32_COMPAT +#define __SET_PERSONALITY32(ex) \ +do { \ + if ((((ex).e_flags & EF_MIPS_ABI2) != 0) && \ + ((ex).e_flags & EF_MIPS_ABI) == 0) \ + __SET_PERSONALITY32_N32(); \ + else \ + __SET_PERSONALITY32_O32(); \ } while (0) +#else +#define __SET_PERSONALITY32(ex) do { } while (0) +#endif -#endif /* CONFIG_MIPS32 */ - -#ifdef CONFIG_MIPS64 - -#define SET_PERSONALITY(ex, ibcs2) \ -do { current->thread.mflags &= ~MF_ABI_MASK; \ - if ((ex).e_ident[EI_CLASS] == ELFCLASS32) { \ - if ((((ex).e_flags & EF_MIPS_ABI2) != 0) && \ - ((ex).e_flags & EF_MIPS_ABI) == 0) \ - current->thread.mflags |= MF_N32; \ - else \ - current->thread.mflags |= MF_O32; \ - } else \ - current->thread.mflags |= MF_N64; \ - if (ibcs2) \ - set_personality(PER_SVR4); \ - else if (current->personality != PER_LINUX32) \ - set_personality(PER_LINUX); \ +#define SET_PERSONALITY(ex, ibcs2) \ +do { \ + current->thread.mflags &= ~MF_ABI_MASK; \ + if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ + __SET_PERSONALITY32(ex); \ + else { \ + current->thread.mflags |= MF_N64; \ + current->thread.abi = &mips_abi; \ + } \ + \ + if (ibcs2) \ + set_personality(PER_SVR4); \ + else if (current->personality != PER_LINUX32) \ + set_personality(PER_LINUX); \ } while (0) -#endif /* CONFIG_MIPS64 */ +#endif /* CONFIG_64BIT */ extern void dump_regs(elf_greg_t *, struct pt_regs *regs); +extern int dump_task_regs (struct task_struct *, elf_gregset_t *); extern int dump_task_fpu(struct task_struct *, elf_fpregset_t *); #define ELF_CORE_COPY_REGS(elf_regs, regs) \ dump_regs((elf_greg_t *)&(elf_regs), regs); +#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs) #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) \ dump_task_fpu(tsk, elf_fpregs) #endif /* __KERNEL__ */ -/* This one accepts IRIX binaries. */ -#define irix_elf_check_arch(hdr) ((hdr)->e_flags & RHF_SGI_ONLY) - #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE PAGE_SIZE |