src/tools/backtrace.cpp

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#include <dlfcn.h>
#include <execinfo.h>
#include <tools/log.h>
#include "tools/backtrace.h"

void ShowBacktrace(LogLevel l)
{
        void** stack = NULL;
        int stack_size = sizeof(void*);
        int size = 1;

        do
        {
                stack_size *= 2;

                free(stack);
                stack = (void**) malloc(stack_size);

                size = backtrace(stack, stack_size / sizeof(void*));
        } while(size == stack_size);

        char** symbols = backtrace_symbols(stack, stack_size / sizeof(void*));

        for(int i = 0; i < size; i++)
        {
                Dl_info info;
                if(dladdr(stack[i], &info) != 0)
                        log(l, "%3i : %p %s %s", i, stack[i], info.dli_fname, info.dli_sname);
                else
                        log(l, "%3i : %p %s", i, stack[i], symbols[i]);
        }

        free(stack);
        free(symbols);
}

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