Dump Stack on Linux User Space

最新推荐文章于 2023-08-05 14:15:01 发布

alex_mianmian

最新推荐文章于 2023-08-05 14:15:01 发布

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分类专栏： linux 文章标签： linux c语言

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#include <stdio.h>
#include <stdlib.h>
#include <execinfo.h>

int dump_stack(void)
{
        int j, nptrs;
        void *buffer[16];
        char ** strings;

        nptrs = backtrace(buffer,16);

        printf("backtrace() returned %d addresses\n",nptrs);

        strings = backtrace_symbols(buffer, nptrs);
        if (strings == NULL) {
                printf("error backtrace_symbols\n");
                return -1;
        }
        for(j = 0; j<nptrs; j++)
                printf("[%02d] %s\n",j,strings[j]);

        free(strings);
        return 0;
}

volatile void test_call_3(void)
{
        printf("I am %s\n",__func__);
        dump_stack();
        printf("I exit %s\n",__func__);
}
volatile void test_call_2(void)
{
        printf("I am %s\n",__func__);
        test_call_3();
        printf("I exit %s\n",__func__);
}

int main(int argc,char **argv)
{
        test_call_2();
}