1 #ifndef __ASMARM_ELF_H 2 #define __ASMARM_ELF_H 3 4 #include <asm/hwcap.h> 5 6 /* 7 * ELF register definitions.. 8 */ 9 #include <asm/ptrace.h> 10 #include <asm/user.h> 11 12 typedef unsigned long elf_greg_t; 13 typedef unsigned long elf_freg_t[3]; 14 15 #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) 16 typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 17 18 typedef struct user_fp elf_fpregset_t; 19 20 #define EM_ARM 40 21 22 #define EF_ARM_EABI_MASK 0xff000000 23 #define EF_ARM_EABI_UNKNOWN 0x00000000 24 #define EF_ARM_EABI_VER1 0x01000000 25 #define EF_ARM_EABI_VER2 0x02000000 26 #define EF_ARM_EABI_VER3 0x03000000 27 #define EF_ARM_EABI_VER4 0x04000000 28 #define EF_ARM_EABI_VER5 0x05000000 29 30 #define EF_ARM_BE8 0x00800000 /* ABI 4,5 */ 31 #define EF_ARM_LE8 0x00400000 /* ABI 4,5 */ 32 #define EF_ARM_MAVERICK_FLOAT 0x00000800 /* ABI 0 */ 33 #define EF_ARM_VFP_FLOAT 0x00000400 /* ABI 0 */ 34 #define EF_ARM_SOFT_FLOAT 0x00000200 /* ABI 0 */ 35 #define EF_ARM_OLD_ABI 0x00000100 /* ABI 0 */ 36 #define EF_ARM_NEW_ABI 0x00000080 /* ABI 0 */ 37 #define EF_ARM_ALIGN8 0x00000040 /* ABI 0 */ 38 #define EF_ARM_PIC 0x00000020 /* ABI 0 */ 39 #define EF_ARM_MAPSYMSFIRST 0x00000010 /* ABI 2 */ 40 #define EF_ARM_APCS_FLOAT 0x00000010 /* ABI 0, floats in fp regs */ 41 #define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ABI 2 */ 42 #define EF_ARM_APCS_26 0x00000008 /* ABI 0 */ 43 #define EF_ARM_SYMSARESORTED 0x00000004 /* ABI 1,2 */ 44 #define EF_ARM_INTERWORK 0x00000004 /* ABI 0 */ 45 #define EF_ARM_HASENTRY 0x00000002 /* All */ 46 #define EF_ARM_RELEXEC 0x00000001 /* All */ 47 48 #define R_ARM_NONE 0 49 #define R_ARM_PC24 1 50 #define R_ARM_ABS32 2 51 #define R_ARM_CALL 28 52 #define R_ARM_JUMP24 29 53 54 /* 55 * These are used to set parameters in the core dumps. 56 */ 57 #define ELF_CLASS ELFCLASS32 58 #ifdef __ARMEB__ 59 #define ELF_DATA ELFDATA2MSB 60 #else 61 #define ELF_DATA ELFDATA2LSB 62 #endif 63 #define ELF_ARCH EM_ARM 64 65 /* 66 * This yields a string that ld.so will use to load implementation 67 * specific libraries for optimization. This is more specific in 68 * intent than poking at uname or /proc/cpuinfo. 69 * 70 * For now we just provide a fairly general string that describes the 71 * processor family. This could be made more specific later if someone 72 * implemented optimisations that require it. 26-bit CPUs give you 73 * "v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't 74 * supported). 32-bit CPUs give you "v3[lb]" for anything based on an 75 * ARM6 or ARM7 core and "armv4[lb]" for anything based on a StrongARM-1 76 * core. 77 */ 78 #define ELF_PLATFORM_SIZE 8 79 #define ELF_PLATFORM (elf_platform) 80 81 extern char elf_platform[]; 82 83 struct elf32_hdr; 84 85 /* 86 * This is used to ensure we don't load something for the wrong architecture. 87 */ 88 extern int elf_check_arch(const struct elf32_hdr *); 89 #define elf_check_arch elf_check_arch 90 91 extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int); 92 #define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk) 93 94 #define USE_ELF_CORE_DUMP 95 #define ELF_EXEC_PAGESIZE 4096 96 97 /* This is the location that an ET_DYN program is loaded if exec'ed. Typical 98 use of this is to invoke "./ld.so someprog" to test out a new version of 99 the loader. We need to make sure that it is out of the way of the program 100 that it will "exec", and that there is sufficient room for the brk. */ 101 102 #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) 103 104 /* When the program starts, a1 contains a pointer to a function to be 105 registered with atexit, as per the SVR4 ABI. A value of 0 means we 106 have no such handler. */ 107 #define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0 108 109 extern void elf_set_personality(const struct elf32_hdr *); 110 #define SET_PERSONALITY(ex) elf_set_personality(&(ex)) 111 112 #endif 113