mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-09-04 20:19:47 +08:00
0e96f31ea4
"sizeof(x)" is the canonical coding style used in arch/x86 most of the time. Fix the few places that didn't follow the convention. (Also do some whitespace cleanups in a few places while at it.) [ mingo: Rewrote the changelog. ] Signed-off-by: Jordan Borgner <mail@jordan-borgner.de> Cc: Borislav Petkov <bp@alien8.de> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20181028125828.7rgammkgzep2wpam@JordanDesktop Signed-off-by: Ingo Molnar <mingo@kernel.org>
218 lines
6.1 KiB
C
218 lines
6.1 KiB
C
/*
|
|
* 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;
|
|
|
|
extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
|
|
|
|
#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
|
|
|
|
#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
|