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#include <stdio.h>

#include <stdint.h>

typedef uint64_t __u64;

typedef __u64 ipl_t;

typedef __u64 __address;

#define __amd64_TYPES_H__

#include "../../arch/amd64/include/context.h"

#define FILENAME "../../arch/amd64/include/context_offset.h"

int main(void)

{

    FILE *f;

    struct context ctx;

    struct context *pctx = &ctx;

    struct interrupt_context ictx;

    struct interrupt_context *ipctx = &ictx;

    f = fopen(FILENAME,"w");

    if (!f) {

        perror(FILENAME);

        return 1;

    }

    fprintf(f, "/* This file is automatically generated by %s. */\n", __FILE__);   

    fprintf(f,"#define OFFSET_SP  0x%x\n", ((int) &pctx->sp) - (int) pctx);

    fprintf(f,"#define OFFSET_PC  0x%x\n", ((int) &pctx->pc) - (int) pctx);

    fprintf(f,"#define OFFSET_RBX 0x%x\n", ((int) &pctx->rbx) - (int) pctx);

    fprintf(f,"#define OFFSET_RBP 0x%x\n", ((int) &pctx->rbp) - (int) pctx);

    fprintf(f,"#define OFFSET_R12 0x%x\n", ((int) &pctx->r12) - (int) pctx);

    fprintf(f,"#define OFFSET_R13 0x%x\n", ((int) &pctx->r13) - (int) pctx);

    fprintf(f,"#define OFFSET_R14 0x%x\n", ((int) &pctx->r14) - (int) pctx);

    fprintf(f,"#define OFFSET_R15 0x%x\n", ((int) &pctx->r15) - (int) pctx);

    fprintf(f,"#define OFFSET_IPL 0x%x\n", ((int) &pctx->ipl) - (int) pctx);

    fprintf(f, "\n");

#define ifpr(big, nm) fprintf(f, "#define IOFFSET_" #big " 0x%x\n", ((int) &ipctx->nm) - (int) ipctx)

    ifpr(RAX, rax);

    ifpr(RBX, rbx);

    ifpr(RCX, rcx);

    ifpr(RDX, rdx);

    ifpr(RSI, rsi);

    ifpr(RDI, rdi);

    ifpr(R8, r8);

    ifpr(R9, r9);

    ifpr(R10, r10);

    ifpr(R11, r11);

    ifpr(R12, r12);

    ifpr(R13, r13);

    ifpr(R14, r14);

    ifpr(R15, r15);

    ifpr(RBP, rbp);

    fprintf(f, "#define IREGISTER_SPACE %d\n", sizeof(ictx));

    fclose(f);

    return 0;

}