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/arch/um/sys-i386/asm/elf.h

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35
C++ Header | 121 lines | 81 code | 24 blank | 16 comment | 8 complexity | 62298a2e57512d3c00ccd966d697a53c MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  1/*
  2 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  3 * Licensed under the GPL
  4 */
  5#ifndef __UM_ELF_I386_H
  6#define __UM_ELF_I386_H
  7
  8#include <asm/user.h>
  9#include "skas.h"
 10
 11#define R_386_NONE	0
 12#define R_386_32	1
 13#define R_386_PC32	2
 14#define R_386_GOT32	3
 15#define R_386_PLT32	4
 16#define R_386_COPY	5
 17#define R_386_GLOB_DAT	6
 18#define R_386_JMP_SLOT	7
 19#define R_386_RELATIVE	8
 20#define R_386_GOTOFF	9
 21#define R_386_GOTPC	10
 22#define R_386_NUM	11
 23
 24typedef unsigned long elf_greg_t;
 25
 26#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
 27typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 28
 29typedef struct user_i387_struct elf_fpregset_t;
 30
 31/*
 32 * This is used to ensure we don't load something for the wrong architecture.
 33 */
 34#define elf_check_arch(x) \
 35	(((x)->e_machine == EM_386) || ((x)->e_machine == EM_486))
 36
 37#define ELF_CLASS	ELFCLASS32
 38#define ELF_DATA        ELFDATA2LSB
 39#define ELF_ARCH        EM_386
 40
 41#define ELF_PLAT_INIT(regs, load_addr) do { \
 42	PT_REGS_EBX(regs) = 0; \
 43	PT_REGS_ECX(regs) = 0; \
 44	PT_REGS_EDX(regs) = 0; \
 45	PT_REGS_ESI(regs) = 0; \
 46	PT_REGS_EDI(regs) = 0; \
 47	PT_REGS_EBP(regs) = 0; \
 48	PT_REGS_EAX(regs) = 0; \
 49} while (0)
 50
 51#define ELF_EXEC_PAGESIZE 4096
 52
 53#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
 54
 55/* Shamelessly stolen from include/asm-i386/elf.h */
 56
 57#define ELF_CORE_COPY_REGS(pr_reg, regs) do {	\
 58	pr_reg[0] = PT_REGS_EBX(regs);		\
 59	pr_reg[1] = PT_REGS_ECX(regs);		\
 60	pr_reg[2] = PT_REGS_EDX(regs);		\
 61	pr_reg[3] = PT_REGS_ESI(regs);		\
 62	pr_reg[4] = PT_REGS_EDI(regs);		\
 63	pr_reg[5] = PT_REGS_EBP(regs);		\
 64	pr_reg[6] = PT_REGS_EAX(regs);		\
 65	pr_reg[7] = PT_REGS_DS(regs);		\
 66	pr_reg[8] = PT_REGS_ES(regs);		\
 67	/* fake once used fs and gs selectors? */	\
 68	pr_reg[9] = PT_REGS_DS(regs);		\
 69	pr_reg[10] = PT_REGS_DS(regs);		\
 70	pr_reg[11] = PT_REGS_SYSCALL_NR(regs);	\
 71	pr_reg[12] = PT_REGS_IP(regs);		\
 72	pr_reg[13] = PT_REGS_CS(regs);		\
 73	pr_reg[14] = PT_REGS_EFLAGS(regs);	\
 74	pr_reg[15] = PT_REGS_SP(regs);		\
 75	pr_reg[16] = PT_REGS_SS(regs);		\
 76} while (0);
 77
 78struct task_struct;
 79
 80extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
 81
 82#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
 83
 84extern long elf_aux_hwcap;
 85#define ELF_HWCAP (elf_aux_hwcap)
 86
 87extern char * elf_aux_platform;
 88#define ELF_PLATFORM (elf_aux_platform)
 89
 90#define SET_PERSONALITY(ex) do { } while (0)
 91
 92extern unsigned long vsyscall_ehdr;
 93extern unsigned long vsyscall_end;
 94extern unsigned long __kernel_vsyscall;
 95
 96#define VSYSCALL_BASE vsyscall_ehdr
 97#define VSYSCALL_END vsyscall_end
 98
 99/*
100 * This is the range that is readable by user mode, and things
101 * acting like user mode such as get_user_pages.
102 */
103#define FIXADDR_USER_START      VSYSCALL_BASE
104#define FIXADDR_USER_END        VSYSCALL_END
105
106/*
107 * Architecture-neutral AT_ values in 0-17, leave some room
108 * for more of them, start the x86-specific ones at 32.
109 */
110#define AT_SYSINFO		32
111#define AT_SYSINFO_EHDR		33
112
113#define ARCH_DLINFO						\
114do {								\
115	if ( vsyscall_ehdr ) {					\
116		NEW_AUX_ENT(AT_SYSINFO,	__kernel_vsyscall);	\
117		NEW_AUX_ENT(AT_SYSINFO_EHDR, vsyscall_ehdr);	\
118	}							\
119} while (0)
120
121#endif