LXR linux/arch/x86/um/user-offsets.c

   1#include <stdio.h>
   2#include <stddef.h>
   3#include <signal.h>
   4#include <sys/poll.h>
   5#include <sys/mman.h>
   6#include <sys/user.h>
   7#define __FRAME_OFFSETS
   8#include <asm/ptrace.h>
   9#include <asm/types.h>
  10
  11#ifdef __i386__
  12#define __SYSCALL_I386(nr, sym, qual) [nr] = 1,
  13static char syscalls[] = {
  14#include <asm/syscalls_32.h>
  15};
  16#else
  17#define __SYSCALL_64(nr, sym, qual) [nr] = 1,
  18static char syscalls[] = {
  19#include <asm/syscalls_64.h>
  20};
  21#endif
  22
  23#define DEFINE(sym, val) \
  24        asm volatile("\n->" #sym " %0 " #val : : "i" (val))
  25
  26#define DEFINE_LONGS(sym, val) \
  27        asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
  28
  29void foo(void)
  30{
  31#ifdef __i386__
  32        DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
  33        DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
  34
  35        DEFINE(HOST_IP, EIP);
  36        DEFINE(HOST_SP, UESP);
  37        DEFINE(HOST_EFLAGS, EFL);
  38        DEFINE(HOST_AX, EAX);
  39        DEFINE(HOST_BX, EBX);
  40        DEFINE(HOST_CX, ECX);
  41        DEFINE(HOST_DX, EDX);
  42        DEFINE(HOST_SI, ESI);
  43        DEFINE(HOST_DI, EDI);
  44        DEFINE(HOST_BP, EBP);
  45        DEFINE(HOST_CS, CS);
  46        DEFINE(HOST_SS, SS);
  47        DEFINE(HOST_DS, DS);
  48        DEFINE(HOST_FS, FS);
  49        DEFINE(HOST_ES, ES);
  50        DEFINE(HOST_GS, GS);
  51        DEFINE(HOST_ORIG_AX, ORIG_EAX);
  52#else
  53        DEFINE(HOST_FP_SIZE, sizeof(struct _xstate) / sizeof(unsigned long));
  54        DEFINE_LONGS(HOST_BX, RBX);
  55        DEFINE_LONGS(HOST_CX, RCX);
  56        DEFINE_LONGS(HOST_DI, RDI);
  57        DEFINE_LONGS(HOST_SI, RSI);
  58        DEFINE_LONGS(HOST_DX, RDX);
  59        DEFINE_LONGS(HOST_BP, RBP);
  60        DEFINE_LONGS(HOST_AX, RAX);
  61        DEFINE_LONGS(HOST_R8, R8);
  62        DEFINE_LONGS(HOST_R9, R9);
  63        DEFINE_LONGS(HOST_R10, R10);
  64        DEFINE_LONGS(HOST_R11, R11);
  65        DEFINE_LONGS(HOST_R12, R12);
  66        DEFINE_LONGS(HOST_R13, R13);
  67        DEFINE_LONGS(HOST_R14, R14);
  68        DEFINE_LONGS(HOST_R15, R15);
  69        DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
  70        DEFINE_LONGS(HOST_CS, CS);
  71        DEFINE_LONGS(HOST_SS, SS);
  72        DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
  73#if 0
  74        DEFINE_LONGS(HOST_FS, FS);
  75        DEFINE_LONGS(HOST_GS, GS);
  76        DEFINE_LONGS(HOST_DS, DS);
  77        DEFINE_LONGS(HOST_ES, ES);
  78#endif
  79
  80        DEFINE_LONGS(HOST_IP, RIP);
  81        DEFINE_LONGS(HOST_SP, RSP);
  82#endif
  83
  84        DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
  85        DEFINE(UM_POLLIN, POLLIN);
  86        DEFINE(UM_POLLPRI, POLLPRI);
  87        DEFINE(UM_POLLOUT, POLLOUT);
  88
  89        DEFINE(UM_PROT_READ, PROT_READ);
  90        DEFINE(UM_PROT_WRITE, PROT_WRITE);
  91        DEFINE(UM_PROT_EXEC, PROT_EXEC);
  92
  93        DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
  94        DEFINE(NR_syscalls, sizeof(syscalls));
  95}
  96