Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __ASMARM_ELF_H |
| 2 | #define __ASMARM_ELF_H |
| 3 | |
Dan Williams | f393e99 | 2007-07-20 02:07:36 +0100 | [diff] [blame] | 4 | #include <asm/hwcap.h> |
| 5 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | /* |
| 7 | * ELF register definitions.. |
| 8 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | #include <asm/ptrace.h> |
| 10 | #include <asm/user.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | |
Andrew Morton | ea5ce65 | 2010-04-27 14:09:12 -0700 | [diff] [blame] | 12 | struct task_struct; |
| 13 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | typedef unsigned long elf_greg_t; |
| 15 | typedef unsigned long elf_freg_t[3]; |
| 16 | |
Russell King | 4a5222c | 2006-11-09 14:07:52 +0000 | [diff] [blame] | 17 | #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) |
| 18 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; |
| 19 | |
| 20 | typedef struct user_fp elf_fpregset_t; |
Russell King | 4a5222c | 2006-11-09 14:07:52 +0000 | [diff] [blame] | 21 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #define EM_ARM 40 |
Russell King | 8ec5366 | 2008-09-07 17:16:54 +0100 | [diff] [blame] | 23 | |
| 24 | #define EF_ARM_EABI_MASK 0xff000000 |
| 25 | #define EF_ARM_EABI_UNKNOWN 0x00000000 |
| 26 | #define EF_ARM_EABI_VER1 0x01000000 |
| 27 | #define EF_ARM_EABI_VER2 0x02000000 |
| 28 | #define EF_ARM_EABI_VER3 0x03000000 |
| 29 | #define EF_ARM_EABI_VER4 0x04000000 |
| 30 | #define EF_ARM_EABI_VER5 0x05000000 |
| 31 | |
| 32 | #define EF_ARM_BE8 0x00800000 /* ABI 4,5 */ |
| 33 | #define EF_ARM_LE8 0x00400000 /* ABI 4,5 */ |
| 34 | #define EF_ARM_MAVERICK_FLOAT 0x00000800 /* ABI 0 */ |
| 35 | #define EF_ARM_VFP_FLOAT 0x00000400 /* ABI 0 */ |
| 36 | #define EF_ARM_SOFT_FLOAT 0x00000200 /* ABI 0 */ |
| 37 | #define EF_ARM_OLD_ABI 0x00000100 /* ABI 0 */ |
| 38 | #define EF_ARM_NEW_ABI 0x00000080 /* ABI 0 */ |
| 39 | #define EF_ARM_ALIGN8 0x00000040 /* ABI 0 */ |
| 40 | #define EF_ARM_PIC 0x00000020 /* ABI 0 */ |
| 41 | #define EF_ARM_MAPSYMSFIRST 0x00000010 /* ABI 2 */ |
| 42 | #define EF_ARM_APCS_FLOAT 0x00000010 /* ABI 0, floats in fp regs */ |
| 43 | #define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ABI 2 */ |
| 44 | #define EF_ARM_APCS_26 0x00000008 /* ABI 0 */ |
| 45 | #define EF_ARM_SYMSARESORTED 0x00000004 /* ABI 1,2 */ |
| 46 | #define EF_ARM_INTERWORK 0x00000004 /* ABI 0 */ |
| 47 | #define EF_ARM_HASENTRY 0x00000002 /* All */ |
| 48 | #define EF_ARM_RELEXEC 0x00000001 /* All */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
Paul Gortmaker | ae51e60 | 2009-05-07 16:18:40 +0100 | [diff] [blame] | 50 | #define R_ARM_NONE 0 |
| 51 | #define R_ARM_PC24 1 |
| 52 | #define R_ARM_ABS32 2 |
| 53 | #define R_ARM_CALL 28 |
| 54 | #define R_ARM_JUMP24 29 |
| 55 | #define R_ARM_V4BX 40 |
| 56 | #define R_ARM_PREL31 42 |
| 57 | #define R_ARM_MOVW_ABS_NC 43 |
| 58 | #define R_ARM_MOVT_ABS 44 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | |
Catalin Marinas | adca6dc | 2009-07-24 12:32:59 +0100 | [diff] [blame] | 60 | #define R_ARM_THM_CALL 10 |
| 61 | #define R_ARM_THM_JUMP24 30 |
Catalin Marinas | 8dd4774 | 2010-06-21 15:10:37 +0100 | [diff] [blame] | 62 | #define R_ARM_THM_MOVW_ABS_NC 47 |
| 63 | #define R_ARM_THM_MOVT_ABS 48 |
Catalin Marinas | adca6dc | 2009-07-24 12:32:59 +0100 | [diff] [blame] | 64 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | * These are used to set parameters in the core dumps. |
| 67 | */ |
| 68 | #define ELF_CLASS ELFCLASS32 |
| 69 | #ifdef __ARMEB__ |
Mike Frysinger | 718a30a | 2005-06-03 20:52:26 +0100 | [diff] [blame] | 70 | #define ELF_DATA ELFDATA2MSB |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | #else |
Mike Frysinger | 718a30a | 2005-06-03 20:52:26 +0100 | [diff] [blame] | 72 | #define ELF_DATA ELFDATA2LSB |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | #endif |
| 74 | #define ELF_ARCH EM_ARM |
| 75 | |
Russell King | 4a5222c | 2006-11-09 14:07:52 +0000 | [diff] [blame] | 76 | /* |
Russell King | 4a5222c | 2006-11-09 14:07:52 +0000 | [diff] [blame] | 77 | * This yields a string that ld.so will use to load implementation |
| 78 | * specific libraries for optimization. This is more specific in |
| 79 | * intent than poking at uname or /proc/cpuinfo. |
| 80 | * |
| 81 | * For now we just provide a fairly general string that describes the |
| 82 | * processor family. This could be made more specific later if someone |
| 83 | * implemented optimisations that require it. 26-bit CPUs give you |
| 84 | * "v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't |
| 85 | * supported). 32-bit CPUs give you "v3[lb]" for anything based on an |
| 86 | * ARM6 or ARM7 core and "armv4[lb]" for anything based on a StrongARM-1 |
| 87 | * core. |
| 88 | */ |
| 89 | #define ELF_PLATFORM_SIZE 8 |
| 90 | #define ELF_PLATFORM (elf_platform) |
| 91 | |
| 92 | extern char elf_platform[]; |
Russell King | 4a5222c | 2006-11-09 14:07:52 +0000 | [diff] [blame] | 93 | |
Russell King | 8ec5366 | 2008-09-07 17:16:54 +0100 | [diff] [blame] | 94 | struct elf32_hdr; |
| 95 | |
David Woodhouse | 6ff6340 | 2006-09-21 08:34:39 +0100 | [diff] [blame] | 96 | /* |
| 97 | * This is used to ensure we don't load something for the wrong architecture. |
| 98 | */ |
Russell King | 8ec5366 | 2008-09-07 17:16:54 +0100 | [diff] [blame] | 99 | extern int elf_check_arch(const struct elf32_hdr *); |
| 100 | #define elf_check_arch elf_check_arch |
Russell King | 4a5222c | 2006-11-09 14:07:52 +0000 | [diff] [blame] | 101 | |
Mika Westerberg | 4b3bf7a | 2010-11-18 19:13:19 +0100 | [diff] [blame] | 102 | #define vmcore_elf64_check_arch(x) (0) |
| 103 | |
Russell King | 8ec5366 | 2008-09-07 17:16:54 +0100 | [diff] [blame] | 104 | extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int); |
| 105 | #define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk) |
David Woodhouse | 6ff6340 | 2006-09-21 08:34:39 +0100 | [diff] [blame] | 106 | |
Mikael Pettersson | bb35579 | 2010-03-11 12:28:31 +0100 | [diff] [blame] | 107 | struct task_struct; |
Artem Bityutskiy | cde3f86 | 2009-10-13 08:54:30 +0100 | [diff] [blame] | 108 | int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs); |
| 109 | #define ELF_CORE_COPY_TASK_REGS dump_task_regs |
| 110 | |
Dave Martin | 5be6f62 | 2011-04-18 14:48:23 +0100 | [diff] [blame] | 111 | #define CORE_DUMP_USE_REGSET |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | #define ELF_EXEC_PAGESIZE 4096 |
| 113 | |
| 114 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical |
| 115 | use of this is to invoke "./ld.so someprog" to test out a new version of |
| 116 | the loader. We need to make sure that it is out of the way of the program |
| 117 | that it will "exec", and that there is sufficient room for the brk. */ |
| 118 | |
| 119 | #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) |
| 120 | |
| 121 | /* When the program starts, a1 contains a pointer to a function to be |
| 122 | registered with atexit, as per the SVR4 ABI. A value of 0 means we |
| 123 | have no such handler. */ |
| 124 | #define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0 |
| 125 | |
Russell King | 8ec5366 | 2008-09-07 17:16:54 +0100 | [diff] [blame] | 126 | extern void elf_set_personality(const struct elf32_hdr *); |
Martin Schwidefsky | 0b59268 | 2008-10-16 15:39:57 +0200 | [diff] [blame] | 127 | #define SET_PERSONALITY(ex) elf_set_personality(&(ex)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | |
Russell King | 392c57a | 2010-07-26 11:02:31 +0100 | [diff] [blame] | 129 | struct mm_struct; |
Nicolas Pitre | 990cb8a | 2010-06-14 16:27:19 -0400 | [diff] [blame] | 130 | extern unsigned long arch_randomize_brk(struct mm_struct *mm); |
| 131 | #define arch_randomize_brk arch_randomize_brk |
| 132 | |
Russell King | 8c0cc8a | 2013-08-03 10:39:51 +0100 | [diff] [blame] | 133 | #ifdef CONFIG_MMU |
Russell King | 48be69a | 2013-07-24 00:29:18 +0100 | [diff] [blame] | 134 | #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 |
| 135 | struct linux_binprm; |
| 136 | int arch_setup_additional_pages(struct linux_binprm *, int); |
Russell King | 8c0cc8a | 2013-08-03 10:39:51 +0100 | [diff] [blame] | 137 | #endif |
Russell King | 48be69a | 2013-07-24 00:29:18 +0100 | [diff] [blame] | 138 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | #endif |