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#include <stdio.h>
#include <signal.h>
#include <asm/ptrace.h>
#include <asm/user.h>
#include <linux/stddef.h>
#define DEFINE(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
#define DEFINE_LONGS(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
#define OFFSET(sym, str, mem) \
DEFINE(sym, offsetof(struct str, mem));
void foo(void)
{
OFFSET(HOST_SC_IP, sigcontext, eip);
OFFSET(HOST_SC_SP, sigcontext, esp);
OFFSET(HOST_SC_FS, sigcontext, fs);
OFFSET(HOST_SC_GS, sigcontext, gs);
OFFSET(HOST_SC_DS, sigcontext, ds);
OFFSET(HOST_SC_ES, sigcontext, es);
OFFSET(HOST_SC_SS, sigcontext, ss);
OFFSET(HOST_SC_CS, sigcontext, cs);
OFFSET(HOST_SC_EFLAGS, sigcontext, eflags);
OFFSET(HOST_SC_EAX, sigcontext, eax);
OFFSET(HOST_SC_EBX, sigcontext, ebx);
OFFSET(HOST_SC_ECX, sigcontext, ecx);
OFFSET(HOST_SC_EDX, sigcontext, edx);
OFFSET(HOST_SC_EDI, sigcontext, edi);
OFFSET(HOST_SC_ESI, sigcontext, esi);
OFFSET(HOST_SC_EBP, sigcontext, ebp);
OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
OFFSET(HOST_SC_ERR, sigcontext, err);
OFFSET(HOST_SC_CR2, sigcontext, cr2);
OFFSET(HOST_SC_FPSTATE, sigcontext, fpstate);
OFFSET(HOST_SC_SIGMASK, sigcontext, oldmask);
OFFSET(HOST_SC_FP_CW, _fpstate, cw);
OFFSET(HOST_SC_FP_SW, _fpstate, sw);
OFFSET(HOST_SC_FP_TAG, _fpstate, tag);
OFFSET(HOST_SC_FP_IPOFF, _fpstate, ipoff);
OFFSET(HOST_SC_FP_CSSEL, _fpstate, cssel);
OFFSET(HOST_SC_FP_DATAOFF, _fpstate, dataoff);
OFFSET(HOST_SC_FP_DATASEL, _fpstate, datasel);
OFFSET(HOST_SC_FP_ST, _fpstate, _st);
OFFSET(HOST_SC_FXSR_ENV, _fpstate, _fxsr_env);
DEFINE(HOST_FRAME_SIZE, FRAME_SIZE);
DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_i387_struct));
DEFINE_LONGS(HOST_XFP_SIZE, sizeof(struct user_fxsr_struct));
DEFINE(HOST_IP, EIP);
DEFINE(HOST_SP, UESP);
DEFINE(HOST_EFLAGS, EFL);
DEFINE(HOST_EAX, EAX);
DEFINE(HOST_EBX, EBX);
DEFINE(HOST_ECX, ECX);
DEFINE(HOST_EDX, EDX);
DEFINE(HOST_ESI, ESI);
DEFINE(HOST_EDI, EDI);
DEFINE(HOST_EBP, EBP);
DEFINE(HOST_CS, CS);
DEFINE(HOST_SS, SS);
DEFINE(HOST_DS, DS);
DEFINE(HOST_FS, FS);
DEFINE(HOST_ES, ES);
DEFINE(HOST_GS, GS);
DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
}
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