Luna/kernel/src/trace/StackTracer.cpp

#include "trace/StackTracer.h"
#include "std/stdio.h"
#include "trace/Resolve.h"

StackTracer::StackTracer()
{
    asm("mov %%rbp, %0" : "=r"(m_base_pointer));
}

StackTracer::StackTracer(uintptr_t base_pointer) : m_base_pointer(base_pointer)
{
}

typedef struct stackframe
{
    struct stackframe* next;
    uintptr_t instruction;
} stackframe;

void StackTracer::trace()
{
    stackframe* frame = (stackframe*)m_base_pointer;
    while (frame && (uint64_t)frame > 0xfffffffff8000000)
    {
        char symbol_name[512];
        get_symbol_name(frame->instruction, symbol_name);
        printf("%lx: %s\n", frame->instruction, symbol_name);
        frame = frame->next;
    }
}