asm-offsets_64.c

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#include <asm/ia32.h>

#define __SYSCALL_64(nr, sym, compat) [nr] = 1,
#define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1,
#ifdef CONFIG_X86_X32_ABI
# define __SYSCALL_X32(nr, sym, compat) [nr] = 1,
#else
# define __SYSCALL_X32(nr, sym, compat) /* nothing */
#endif
static char syscalls_64[] = {
#include <asm/syscalls_64.h>
};
#define __SYSCALL_I386(nr, sym, compat) [nr] = 1,
static char syscalls_ia32[] = {
#include <asm/syscalls_32.h>
};

int main(void)
{
#ifdef CONFIG_PARAVIRT
    OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame);
    OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32);
    OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
    OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
    BLANK();
#endif

#ifdef CONFIG_IA32_EMULATION
    OFFSET(TI_sysenter_return, thread_info, sysenter_return);
    BLANK();

#define ENTRY(entry) OFFSET(IA32_SIGCONTEXT_ ## entry, sigcontext_ia32, entry)
    ENTRY(ax);
    ENTRY(bx);
    ENTRY(cx);
    ENTRY(dx);
    ENTRY(si);
    ENTRY(di);
    ENTRY(bp);
    ENTRY(sp);
    ENTRY(ip);
    BLANK();
#undef ENTRY

    OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
    BLANK();
#endif

#define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry)
    ENTRY(bx);
    ENTRY(bx);
    ENTRY(cx);
    ENTRY(dx);
    ENTRY(sp);
    ENTRY(bp);
    ENTRY(si);
    ENTRY(di);
    ENTRY(r8);
    ENTRY(r9);
    ENTRY(r10);
    ENTRY(r11);
    ENTRY(r12);
    ENTRY(r13);
    ENTRY(r14);
    ENTRY(r15);
    ENTRY(flags);
    BLANK();
#undef ENTRY

#define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry)
    ENTRY(cr0);
    ENTRY(cr2);
    ENTRY(cr3);
    ENTRY(cr4);
    ENTRY(cr8);
    BLANK();
#undef ENTRY

    OFFSET(TSS_ist, tss_struct, x86_tss.ist);
    BLANK();

    DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
    DEFINE(NR_syscalls, sizeof(syscalls_64));

    DEFINE(__NR_ia32_syscall_max, sizeof(syscalls_ia32) - 1);
    DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));

    return 0;
}