diff options
Diffstat (limited to 'arch/arm/include/asm/elf.h')
| -rw-r--r-- | arch/arm/include/asm/elf.h | 72 |
1 files changed, 34 insertions, 38 deletions
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h index 4ca751627489..a58378c343b9 100644 --- a/arch/arm/include/asm/elf.h +++ b/arch/arm/include/asm/elf.h @@ -3,7 +3,6 @@ #include <asm/hwcap.h> -#ifndef __ASSEMBLY__ /* * ELF register definitions.. */ @@ -17,12 +16,34 @@ typedef unsigned long elf_freg_t[3]; typedef elf_greg_t elf_gregset_t[ELF_NGREG]; typedef struct user_fp elf_fpregset_t; -#endif #define EM_ARM 40 -#define EF_ARM_APCS26 0x08 -#define EF_ARM_SOFT_FLOAT 0x200 -#define EF_ARM_EABI_MASK 0xFF000000 + +#define EF_ARM_EABI_MASK 0xff000000 +#define EF_ARM_EABI_UNKNOWN 0x00000000 +#define EF_ARM_EABI_VER1 0x01000000 +#define EF_ARM_EABI_VER2 0x02000000 +#define EF_ARM_EABI_VER3 0x03000000 +#define EF_ARM_EABI_VER4 0x04000000 +#define EF_ARM_EABI_VER5 0x05000000 + +#define EF_ARM_BE8 0x00800000 /* ABI 4,5 */ +#define EF_ARM_LE8 0x00400000 /* ABI 4,5 */ +#define EF_ARM_MAVERICK_FLOAT 0x00000800 /* ABI 0 */ +#define EF_ARM_VFP_FLOAT 0x00000400 /* ABI 0 */ +#define EF_ARM_SOFT_FLOAT 0x00000200 /* ABI 0 */ +#define EF_ARM_OLD_ABI 0x00000100 /* ABI 0 */ +#define EF_ARM_NEW_ABI 0x00000080 /* ABI 0 */ +#define EF_ARM_ALIGN8 0x00000040 /* ABI 0 */ +#define EF_ARM_PIC 0x00000020 /* ABI 0 */ +#define EF_ARM_MAPSYMSFIRST 0x00000010 /* ABI 2 */ +#define EF_ARM_APCS_FLOAT 0x00000010 /* ABI 0, floats in fp regs */ +#define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ABI 2 */ +#define EF_ARM_APCS_26 0x00000008 /* ABI 0 */ +#define EF_ARM_SYMSARESORTED 0x00000004 /* ABI 1,2 */ +#define EF_ARM_INTERWORK 0x00000004 /* ABI 0 */ +#define EF_ARM_HASENTRY 0x00000002 /* All */ +#define EF_ARM_RELEXEC 0x00000001 /* All */ #define R_ARM_NONE 0 #define R_ARM_PC24 1 @@ -41,7 +62,6 @@ typedef struct user_fp elf_fpregset_t; #endif #define ELF_ARCH EM_ARM -#ifndef __ASSEMBLY__ /* * This yields a string that ld.so will use to load implementation * specific libraries for optimization. This is more specific in @@ -59,25 +79,17 @@ typedef struct user_fp elf_fpregset_t; #define ELF_PLATFORM (elf_platform) extern char elf_platform[]; -#endif -/* - * This is used to ensure we don't load something for the wrong architecture. - */ -#define elf_check_arch(x) ((x)->e_machine == EM_ARM && ELF_PROC_OK(x)) +struct elf32_hdr; /* - * 32-bit code is always OK. Some cpus can do 26-bit, some can't. + * This is used to ensure we don't load something for the wrong architecture. */ -#define ELF_PROC_OK(x) (ELF_THUMB_OK(x) && ELF_26BIT_OK(x)) - -#define ELF_THUMB_OK(x) \ - ((elf_hwcap & HWCAP_THUMB && ((x)->e_entry & 1) == 1) || \ - ((x)->e_entry & 3) == 0) +extern int elf_check_arch(const struct elf32_hdr *); +#define elf_check_arch elf_check_arch -#define ELF_26BIT_OK(x) \ - ((elf_hwcap & HWCAP_26BIT && (x)->e_flags & EF_ARM_APCS26) || \ - ((x)->e_flags & EF_ARM_APCS26) == 0) +extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int); +#define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk) #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 4096 @@ -94,23 +106,7 @@ extern char elf_platform[]; have no such handler. */ #define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0 -/* - * Since the FPA coprocessor uses CP1 and CP2, and iWMMXt uses CP0 - * and CP1, we only enable access to the iWMMXt coprocessor if the - * binary is EABI or softfloat (and thus, guaranteed not to use - * FPA instructions.) - */ -#define SET_PERSONALITY(ex, ibcs2) \ - do { \ - if ((ex).e_flags & EF_ARM_APCS26) { \ - set_personality(PER_LINUX); \ - } else { \ - set_personality(PER_LINUX_32BIT); \ - if (elf_hwcap & HWCAP_IWMMXT && (ex).e_flags & (EF_ARM_EABI_MASK | EF_ARM_SOFT_FLOAT)) \ - set_thread_flag(TIF_USING_IWMMXT); \ - else \ - clear_thread_flag(TIF_USING_IWMMXT); \ - } \ - } while (0) +extern void elf_set_personality(const struct elf32_hdr *); +#define SET_PERSONALITY(ex) elf_set_personality(&(ex)) #endif |