Tracer

simple ptrace-based program execution tracer

$ tracer -h
Usage: tracer [program] [args...]
Run PROGRAM on ARGS printing the values of the program counter.

Trace the executed memory addresses in order.

$ tracer ./hello|head
4195344
4195346
4195349
4195350
4195353
4195357
4195358
4195359
4195366
4195373

Disassemble the executable and collect trace data by instruction. Format used is "address #evaluations disassembly...".

$ tracer-w-disasm ./hello|grep -C 4 " 10"
400504  1    movl    $0x0,-0x4(%rbp)
40050b  1    movl    $0x0,-0x8(%rbp)
400512  1    movl    $0x0,-0x4(%rbp)
400519  1    jmp     0000000000400525
40051b  100  mov     -0x4(%rbp),%eax
40051e  100  mov     %eax,-0x8(%rbp)
400521  100  addl    $0x1,-0x4(%rbp)
400525  101  cmpl    $0x63,-0x4(%rbp)
400529  101  jle     000000000040051b
40052b  1    mov     $0x4005e4,%edi
400530  1    callq   00000000004003e0
400535  1    leaveq
400536  1    retq