arch/x86/um/user-offsets.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <stdio.h>
   3 #include <stddef.h>
   4 #include <signal.h>
   5 #include <poll.h>
   6 #include <sys/mman.h>
   7 #include <sys/user.h>
   8 #define __FRAME_OFFSETS
   9 #include <linux/ptrace.h>
  10 #include <asm/types.h>
  11 #include <linux/kbuild.h>
  12
  13 #define DEFINE_LONGS(sym, val)  \
  14         COMMENT(#val " / sizeof(unsigned long)");       \
  15         DEFINE(sym, val / sizeof(unsigned long))
  16
  17 void foo(void)
  18 {
  19 #ifdef __i386__
  20         DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
  21         DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
  22
  23         DEFINE(HOST_IP, EIP);
  24         DEFINE(HOST_SP, UESP);
  25         DEFINE(HOST_EFLAGS, EFL);
  26         DEFINE(HOST_AX, EAX);
  27         DEFINE(HOST_BX, EBX);
  28         DEFINE(HOST_CX, ECX);
  29         DEFINE(HOST_DX, EDX);
  30         DEFINE(HOST_SI, ESI);
  31         DEFINE(HOST_DI, EDI);
  32         DEFINE(HOST_BP, EBP);
  33         DEFINE(HOST_CS, CS);
  34         DEFINE(HOST_SS, SS);
  35         DEFINE(HOST_DS, DS);
  36         DEFINE(HOST_FS, FS);
  37         DEFINE(HOST_ES, ES);
  38         DEFINE(HOST_GS, GS);
  39         DEFINE(HOST_ORIG_AX, ORIG_EAX);
  40 #else
  41 #ifdef FP_XSTATE_MAGIC1
  42         DEFINE_LONGS(HOST_FP_SIZE, 2696);
  43 #else
  44         DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
  45 #endif
  46         DEFINE_LONGS(HOST_BX, RBX);
  47         DEFINE_LONGS(HOST_CX, RCX);
  48         DEFINE_LONGS(HOST_DI, RDI);
  49         DEFINE_LONGS(HOST_SI, RSI);
  50         DEFINE_LONGS(HOST_DX, RDX);
  51         DEFINE_LONGS(HOST_BP, RBP);
  52         DEFINE_LONGS(HOST_AX, RAX);
  53         DEFINE_LONGS(HOST_R8, R8);
  54         DEFINE_LONGS(HOST_R9, R9);
  55         DEFINE_LONGS(HOST_R10, R10);
  56         DEFINE_LONGS(HOST_R11, R11);
  57         DEFINE_LONGS(HOST_R12, R12);
  58         DEFINE_LONGS(HOST_R13, R13);
  59         DEFINE_LONGS(HOST_R14, R14);
  60         DEFINE_LONGS(HOST_R15, R15);
  61         DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
  62         DEFINE_LONGS(HOST_CS, CS);
  63         DEFINE_LONGS(HOST_SS, SS);
  64         DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
  65 #if 0
  66         DEFINE_LONGS(HOST_FS, FS);
  67         DEFINE_LONGS(HOST_GS, GS);
  68         DEFINE_LONGS(HOST_DS, DS);
  69         DEFINE_LONGS(HOST_ES, ES);
  70 #endif
  71
  72         DEFINE_LONGS(HOST_IP, RIP);
  73         DEFINE_LONGS(HOST_SP, RSP);
  74 #endif
  75
  76         DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
  77         DEFINE(UM_POLLIN, POLLIN);
  78         DEFINE(UM_POLLPRI, POLLPRI);
  79         DEFINE(UM_POLLOUT, POLLOUT);
  80
  81         DEFINE(UM_PROT_READ, PROT_READ);
  82         DEFINE(UM_PROT_WRITE, PROT_WRITE);
  83         DEFINE(UM_PROT_EXEC, PROT_EXEC);
  84 }