https://sourceware.org/bugzilla/show_bug.cgi?id=16396
--- Comment #2 from DongBiao <dongbiao830415 at foxmail dot com> ---
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/ldr.h>
#include <errno.h>
typedef struct stackFrame {
struct stackFrame *back; /* -> previous stack.*/
void *savedCR;
void *savedLR; /* Saved link address.*/
} stackFrame;
void GetBackTrace()
{
/*Get current stack pointer*/
ucontext_t u;
if(0 != getcontext(&u))
return;
stackFrame* sp = (stackFrame *)u.uc_mcontext.jmp_context.gpr[1];
while(sp)
{
printf("%p\n", sp->savedLR);
sp=sp->back;
}
}
void func1()
{
GetBackTrace();
}
void func2()
{
func1();
}
/*cc -qtbtable=full -qlinedebug -q64 -g -o stack stack.c*/
int main()
{
func2();
return 0;
}
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