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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 | /* * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ #ifndef __UM_ELF_X86_H #define __UM_ELF_X86_H #include <asm/user.h> #include <skas.h> #ifdef CONFIG_X86_32 #define R_386_NONE 0 #define R_386_32 1 #define R_386_PC32 2 #define R_386_GOT32 3 #define R_386_PLT32 4 #define R_386_COPY 5 #define R_386_GLOB_DAT 6 #define R_386_JMP_SLOT 7 #define R_386_RELATIVE 8 #define R_386_GOTOFF 9 #define R_386_GOTPC 10 #define R_386_NUM 11 /* * This is used to ensure we don't load something for the wrong architecture. */ #define elf_check_arch(x) \ (((x)->e_machine == EM_386) || ((x)->e_machine == EM_486)) #define ELF_CLASS ELFCLASS32 #define ELF_DATA ELFDATA2LSB #define ELF_ARCH EM_386 #define ELF_PLAT_INIT(regs, load_addr) do { \ PT_REGS_BX(regs) = 0; \ PT_REGS_CX(regs) = 0; \ PT_REGS_DX(regs) = 0; \ PT_REGS_SI(regs) = 0; \ PT_REGS_DI(regs) = 0; \ PT_REGS_BP(regs) = 0; \ PT_REGS_AX(regs) = 0; \ } while (0) /* Shamelessly stolen from include/asm-i386/elf.h */ #define ELF_CORE_COPY_REGS(pr_reg, regs) do { \ pr_reg[0] = PT_REGS_BX(regs); \ pr_reg[1] = PT_REGS_CX(regs); \ pr_reg[2] = PT_REGS_DX(regs); \ pr_reg[3] = PT_REGS_SI(regs); \ pr_reg[4] = PT_REGS_DI(regs); \ pr_reg[5] = PT_REGS_BP(regs); \ pr_reg[6] = PT_REGS_AX(regs); \ pr_reg[7] = PT_REGS_DS(regs); \ pr_reg[8] = PT_REGS_ES(regs); \ /* fake once used fs and gs selectors? */ \ pr_reg[9] = PT_REGS_DS(regs); \ pr_reg[10] = PT_REGS_DS(regs); \ pr_reg[11] = PT_REGS_SYSCALL_NR(regs); \ pr_reg[12] = PT_REGS_IP(regs); \ pr_reg[13] = PT_REGS_CS(regs); \ pr_reg[14] = PT_REGS_EFLAGS(regs); \ pr_reg[15] = PT_REGS_SP(regs); \ pr_reg[16] = PT_REGS_SS(regs); \ } while (0); extern char * elf_aux_platform; #define ELF_PLATFORM (elf_aux_platform) extern unsigned long vsyscall_ehdr; extern unsigned long vsyscall_end; extern unsigned long __kernel_vsyscall; /* * This is the range that is readable by user mode, and things * acting like user mode such as get_user_pages. */ #define FIXADDR_USER_START vsyscall_ehdr #define FIXADDR_USER_END vsyscall_end /* * Architecture-neutral AT_ values in 0-17, leave some room * for more of them, start the x86-specific ones at 32. */ #define AT_SYSINFO 32 #define AT_SYSINFO_EHDR 33 #define ARCH_DLINFO \ do { \ if ( vsyscall_ehdr ) { \ NEW_AUX_ENT(AT_SYSINFO, __kernel_vsyscall); \ NEW_AUX_ENT(AT_SYSINFO_EHDR, vsyscall_ehdr); \ } \ } while (0) #else /* x86-64 relocation types, taken from asm-x86_64/elf.h */ #define R_X86_64_NONE 0 /* No reloc */ #define R_X86_64_64 1 /* Direct 64 bit */ #define R_X86_64_PC32 2 /* PC relative 32 bit signed */ #define R_X86_64_GOT32 3 /* 32 bit GOT entry */ #define R_X86_64_PLT32 4 /* 32 bit PLT address */ #define R_X86_64_COPY 5 /* Copy symbol at runtime */ #define R_X86_64_GLOB_DAT 6 /* Create GOT entry */ #define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */ #define R_X86_64_RELATIVE 8 /* Adjust by program base */ #define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative offset to GOT */ #define R_X86_64_32 10 /* Direct 32 bit zero extended */ #define R_X86_64_32S 11 /* Direct 32 bit sign extended */ #define R_X86_64_16 12 /* Direct 16 bit zero extended */ #define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */ #define R_X86_64_8 14 /* Direct 8 bit sign extended */ #define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */ #define R_X86_64_PC64 24 /* Place relative 64-bit signed */ /* * This is used to ensure we don't load something for the wrong architecture. */ #define elf_check_arch(x) \ ((x)->e_machine == EM_X86_64) #define ELF_CLASS ELFCLASS64 #define ELF_DATA ELFDATA2LSB #define ELF_ARCH EM_X86_64 #define ELF_PLAT_INIT(regs, load_addr) do { \ PT_REGS_BX(regs) = 0; \ PT_REGS_CX(regs) = 0; \ PT_REGS_DX(regs) = 0; \ PT_REGS_SI(regs) = 0; \ PT_REGS_DI(regs) = 0; \ PT_REGS_BP(regs) = 0; \ PT_REGS_AX(regs) = 0; \ PT_REGS_R8(regs) = 0; \ PT_REGS_R9(regs) = 0; \ PT_REGS_R10(regs) = 0; \ PT_REGS_R11(regs) = 0; \ PT_REGS_R12(regs) = 0; \ PT_REGS_R13(regs) = 0; \ PT_REGS_R14(regs) = 0; \ PT_REGS_R15(regs) = 0; \ } while (0) #define ELF_CORE_COPY_REGS(pr_reg, _regs) \ (pr_reg)[0] = (_regs)->regs.gp[0]; \ (pr_reg)[1] = (_regs)->regs.gp[1]; \ (pr_reg)[2] = (_regs)->regs.gp[2]; \ (pr_reg)[3] = (_regs)->regs.gp[3]; \ (pr_reg)[4] = (_regs)->regs.gp[4]; \ (pr_reg)[5] = (_regs)->regs.gp[5]; \ (pr_reg)[6] = (_regs)->regs.gp[6]; \ (pr_reg)[7] = (_regs)->regs.gp[7]; \ (pr_reg)[8] = (_regs)->regs.gp[8]; \ (pr_reg)[9] = (_regs)->regs.gp[9]; \ (pr_reg)[10] = (_regs)->regs.gp[10]; \ (pr_reg)[11] = (_regs)->regs.gp[11]; \ (pr_reg)[12] = (_regs)->regs.gp[12]; \ (pr_reg)[13] = (_regs)->regs.gp[13]; \ (pr_reg)[14] = (_regs)->regs.gp[14]; \ (pr_reg)[15] = (_regs)->regs.gp[15]; \ (pr_reg)[16] = (_regs)->regs.gp[16]; \ (pr_reg)[17] = (_regs)->regs.gp[17]; \ (pr_reg)[18] = (_regs)->regs.gp[18]; \ (pr_reg)[19] = (_regs)->regs.gp[19]; \ (pr_reg)[20] = (_regs)->regs.gp[20]; \ (pr_reg)[21] = current->thread.arch.fs; \ (pr_reg)[22] = 0; \ (pr_reg)[23] = 0; \ (pr_reg)[24] = 0; \ (pr_reg)[25] = 0; \ (pr_reg)[26] = 0; #define ELF_PLATFORM "x86_64" /* No user-accessible fixmap addresses, i.e. vsyscall */ #define FIXADDR_USER_START 0 #define FIXADDR_USER_END 0 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 struct linux_binprm; extern int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp); extern unsigned long um_vdso_addr; #define AT_SYSINFO_EHDR 33 #define ARCH_DLINFO NEW_AUX_ENT(AT_SYSINFO_EHDR, um_vdso_addr) #endif typedef unsigned long elf_greg_t; #define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) typedef elf_greg_t elf_gregset_t[ELF_NGREG]; typedef struct user_i387_struct elf_fpregset_t; struct task_struct; #define ELF_EXEC_PAGESIZE 4096 #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) extern long elf_aux_hwcap; #define ELF_HWCAP (elf_aux_hwcap) #define SET_PERSONALITY(ex) do {} while(0) #endif |