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#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include "dis.h"
typedef struct { bool modify; } tdis_ret;
typedef struct tc {
uint32_t pc;
uint32_t op;
uint32_t newop;
uint32_t newval[4];
} *tdis_ctx;
#define P(x) P_##x
NOINLINE UNUSED
static tdis_ret P_data(struct tc *ctx, unsigned o0, unsigned o1, unsigned o2, unsigned o3, unsigned out_mask) {
printf("data: %08x\n", ctx->op);
unsigned os[] = {o0, o1, o2, o3};
for(size_t i = 0; i < 4; i++) {
unsigned val = os[i];
if(val == -1u)
break;
printf(" reg %x: %s\n", val, out_mask & (1 << i) ? "out" : "in");
ctx->newval[i] = i;
}
return (tdis_ret) {true};
}
NOINLINE UNUSED
static tdis_ret P_pcrel(struct tc *ctx, uint32_t dpc, unsigned reg, bool is_load) {
printf("adr%s: %08x => %08x r%u\n", is_load ? "+load" : "", ctx->op, dpc, reg);
return (tdis_ret) {false};
}
NOINLINE UNUSED
static tdis_ret P_ret(struct tc *ctx) {
printf("ret: %08x\n", ctx->op);
return (tdis_ret) {false};
}
NOINLINE UNUSED
static tdis_ret P_branch(struct tc *ctx, uint32_t dpc) {
printf("branch: %08x => %08x\n", ctx->op, dpc);
return (tdis_ret) {false};
}
NOINLINE UNUSED
static tdis_ret P_unidentified(struct tc *ctx) {
printf("unidentified: %08x\n", ctx->op);
return (tdis_ret) {false};
}
NOINLINE UNUSED
static tdis_ret P_bad(struct tc *ctx) {
printf("bad: %08x\n", ctx->op);
return (tdis_ret) {false};
}
#include HDR
int main(UNUSED int argc, char **argv) {
struct tc ctx;
ctx.pc = 0xdead0000;
ctx.op = (uint32_t) strtoll(argv[1] ? argv[1] : "deadbeef", NULL, 16);
ctx.newop = 0;
PDIS(&ctx);
printf("==> %x\n", ctx.newop);
}
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