| 1 |
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| 2 | #ifndef __ASMARM_ELF_H
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| 3 | #define __ASMARM_ELF_H
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| 4 |
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| 5 | #include <asm/auxvec.h>
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| 6 | #include <asm/hwcap.h>
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| 7 |
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| 8 | |
| 9 | * ELF register definitions..
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| 10 |
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| 11 | #include <asm/ptrace.h>
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| 12 | #include <asm/user.h>
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| 13 |
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| 14 | struct task_struct;
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| 15 |
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| 16 | typedef unsigned long elf_greg_t;
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| 17 | typedef unsigned long elf_freg_t[3];
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| 18 |
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| 19 | #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
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| 20 | typedef elf_greg_t elf_gregset_t[ELF_NGREG];
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| 21 |
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| 22 | typedef struct user_fp elf_fpregset_t;
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| 23 |
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| 24 | #define EF_ARM_EABI_MASK 0xff000000
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| 25 | #define EF_ARM_EABI_UNKNOWN 0x00000000
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| 26 | #define EF_ARM_EABI_VER1 0x01000000
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| 27 | #define EF_ARM_EABI_VER2 0x02000000
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| 28 | #define EF_ARM_EABI_VER3 0x03000000
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| 29 | #define EF_ARM_EABI_VER4 0x04000000
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| 30 | #define EF_ARM_EABI_VER5 0x05000000
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| 31 |
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| 32 | #define EF_ARM_BE8 0x00800000
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| 33 | #define EF_ARM_LE8 0x00400000
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| 34 | #define EF_ARM_MAVERICK_FLOAT 0x00000800
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| 35 | #define EF_ARM_VFP_FLOAT 0x00000400
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| 36 | #define EF_ARM_SOFT_FLOAT 0x00000200
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| 37 | #define EF_ARM_OLD_ABI 0x00000100
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| 38 | #define EF_ARM_NEW_ABI 0x00000080
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| 39 | #define EF_ARM_ALIGN8 0x00000040
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| 40 | #define EF_ARM_PIC 0x00000020
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| 41 | #define EF_ARM_MAPSYMSFIRST 0x00000010
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| 42 | #define EF_ARM_APCS_FLOAT 0x00000010
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| 43 | #define EF_ARM_DYNSYMSUSESEGIDX 0x00000008
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| 44 | #define EF_ARM_APCS_26 0x00000008
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| 45 | #define EF_ARM_SYMSARESORTED 0x00000004
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| 46 | #define EF_ARM_INTERWORK 0x00000004
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| 47 | #define EF_ARM_HASENTRY 0x00000002
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| 48 | #define EF_ARM_RELEXEC 0x00000001
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| 49 |
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| 50 | #define R_ARM_NONE 0
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| 51 | #define R_ARM_PC24 1
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| 52 | #define R_ARM_ABS32 2
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| 53 | #define R_ARM_REL32 3
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| 54 | #define R_ARM_CALL 28
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| 55 | #define R_ARM_JUMP24 29
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| 56 | #define R_ARM_TARGET1 38
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| 57 | #define R_ARM_V4BX 40
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| 58 | #define R_ARM_PREL31 42
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| 59 | #define R_ARM_MOVW_ABS_NC 43
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| 60 | #define R_ARM_MOVT_ABS 44
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| 61 | #define R_ARM_MOVW_PREL_NC 45
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| 62 | #define R_ARM_MOVT_PREL 46
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| 63 | #define R_ARM_ALU_PC_G0_NC 57
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| 64 | #define R_ARM_ALU_PC_G1_NC 59
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| 65 | #define R_ARM_LDR_PC_G2 63
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| 66 |
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| 67 | #define R_ARM_THM_CALL 10
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| 68 | #define R_ARM_THM_JUMP24 30
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| 69 | #define R_ARM_THM_MOVW_ABS_NC 47
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| 70 | #define R_ARM_THM_MOVT_ABS 48
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| 71 | #define R_ARM_THM_MOVW_PREL_NC 49
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| 72 | #define R_ARM_THM_MOVT_PREL 50
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| 73 |
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| 74 | |
| 75 | * These are used to set parameters in the core dumps.
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| 76 |
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| 77 | #define ELF_CLASS ELFCLASS32
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| 78 | #ifdef __ARMEB__
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| 79 | #define ELF_DATA ELFDATA2MSB
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| 80 | #else
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| 81 | #define ELF_DATA ELFDATA2LSB
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| 82 | #endif
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| 83 | #define ELF_ARCH EM_ARM
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| 84 |
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| 85 | |
| 86 | * This yields a string that ld.so will use to load implementation
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| 87 | * specific libraries for optimization. This is more specific in
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| 88 | * intent than poking at uname or /proc/cpuinfo.
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| 89 | *
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| 90 | * For now we just provide a fairly general string that describes the
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| 91 | * processor family. This could be made more specific later if someone
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| 92 | * implemented optimisations that require it. 26-bit CPUs give you
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| 93 | * "v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't
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| 94 | * supported). 32-bit CPUs give you "v3[lb]" for anything based on an
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| 95 | * ARM6 or ARM7 core and "armv4[lb]" for anything based on a StrongARM-1
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| 96 | * core.
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| 97 |
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| 98 | #define ELF_PLATFORM_SIZE 8
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| 99 | #define ELF_PLATFORM (elf_platform)
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| 100 |
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| 101 | extern char elf_platform[];
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| 102 |
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| 103 | struct elf32_hdr;
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| 104 |
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| 105 | |
| 106 | * This is used to ensure we don't load something for the wrong architecture.
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| 107 |
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| 108 | extern int elf_check_arch(const struct elf32_hdr *);
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| 109 | #define elf_check_arch elf_check_arch
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| 110 |
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| 111 | #define ELFOSABI_ARM_FDPIC 65
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| 112 | #define elf_check_fdpic(x) ((x)->e_ident[EI_OSABI] == ELFOSABI_ARM_FDPIC)
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| 113 | #define elf_check_const_displacement(x) ((x)->e_flags & EF_ARM_PIC)
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| 114 | #define ELF_FDPIC_CORE_EFLAGS 0
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| 115 |
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| 116 | #define vmcore_elf64_check_arch(x) (0)
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| 117 |
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| 118 | extern int arm_elf_read_implies_exec(int);
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| 119 | #define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(stk)
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| 120 |
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| 121 | #define CORE_DUMP_USE_REGSET
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| 122 | #define ELF_EXEC_PAGESIZE 4096
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| 123 |
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| 124 |
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| 125 | #define ELF_ET_DYN_BASE 0x400000UL
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| 126 |
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| 127 | |
| 128 | registered with atexit, as per the SVR4 ABI. A value of 0 means we
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| 129 | have no such handler.
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| 130 | #define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0
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| 131 |
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| 132 | #define ELF_FDPIC_PLAT_INIT(_r, _exec_map_addr, _interp_map_addr, dynamic_addr) \
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| 133 | do { \
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| 134 | (_r)->ARM_r7 = _exec_map_addr; \
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| 135 | (_r)->ARM_r8 = _interp_map_addr; \
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| 136 | (_r)->ARM_r9 = dynamic_addr; \
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| 137 | } while(0)
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| 138 |
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| 139 | extern void elf_set_personality(const struct elf32_hdr *);
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| 140 | #define SET_PERSONALITY(ex) elf_set_personality(&(ex))
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| 141 |
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| 142 | #ifdef CONFIG_MMU
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| 143 | #ifdef CONFIG_VDSO
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| 144 | #define ARCH_DLINFO \
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| 145 | do { \
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| 146 | NEW_AUX_ENT(AT_SYSINFO_EHDR, \
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| 147 | (elf_addr_t)current->mm->context.vdso); \
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| 148 | } while (0)
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| 149 | #endif
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| 150 | #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
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| 151 | struct linux_binprm;
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| 152 | int arch_setup_additional_pages(struct linux_binprm *, int);
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| 153 | #endif
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| 154 |
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| 155 | #endif
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