#include <execinfo.h>
#include <stdio.h>
#include <stdlib.h>
void print_stacktrace()
{
int size = 16;
void * array[16];
int stack_num = backtrace(array, size);
char ** stacktrace = backtrace_symbols(array, stack_num);
for (int i = 0; i < stack_num; ++i)
{
printf("%s\n", stacktrace[i]);
}
free(stacktrace);
}
#include <cxxabi.h>
#include <libunwind.h>
#include <cstdio>
#include <cstdlib>
void backtrace() {
unw_cursor_t cursor;
unw_context_t context;
// Initialize cursor to current frame for local unwinding.
unw_getcontext(&context);
unw_init_local(&cursor, &context);
// Unwind frames one by one, going up the frame stack.
while (unw_step(&cursor) > 0) {
unw_word_t offset, pc;
unw_get_reg(&cursor, UNW_REG_IP, &pc);
if (pc == 0) {
break;
}
std::printf("0x%lx:", pc);
char sym[256];
if (unw_get_proc_name(&cursor, sym, sizeof(sym), &offset) == 0) {
char* nameptr = sym;
int status;
char* demangled = abi::__cxa_demangle(sym, nullptr, nullptr, &status);
if (status == 0) {
nameptr = demangled;
}
std::printf(" (%s+0x%lx)\n", nameptr, offset);
std::free(demangled);
} else {
std::printf(" -- error: unable to obtain symbol name for this frame\n");
}
}
}