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,
  13 static char syscalls[] = {
  14 #include <asm/syscalls_32.h>
  15 };
  16 #else
  17 #define __SYSCALL_64(nr, sym, qual) [nr] = 1,
  18 static 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
  29 void 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 }