- printf("callertrap(mctx) by 0x%08x\n", (unsigned int) uctx->uc_mcontext.eip);
- // printf("callertrap(addr) by 0x%08x\n", info->si_addr);
- // printf("callertrap(*esp) by 0x%08x\n", * (unsigned int *) uctx->uc_mcontext.esp);
+ ptrdiff_t eip = (ptrdiff_t) mctx->gregs[REG_EIP];
+ ptrdiff_t eax = (ptrdiff_t) mctx->gregs[REG_EAX];
+ ptrdiff_t ebx = (ptrdiff_t) mctx->gregs[REG_EBX];
+ ptrdiff_t esp = (ptrdiff_t) mctx->gregs[REG_ESP];
+ dprintf("trap: type %d, eip 0x%08x, eax 0x%08x, ebx 0x%08x, "
+ "esp 0x%08x, *esp 0x%08x\n", nSignal, eip,
+ eax, ebx, esp, *(ptrdiff_t*) esp);