+++ /dev/null
-#include <ostream>
-#include <cxxabi.h>
-#include <string.h>
-
-#include "BackTrace.h"
-#include "common/version.h"
-
-#define _STR(x) #x
-#define STRINGIFY(x) _STR(x)
-
-namespace ceph {
-
-void BackTrace::print(std::ostream& out) const
-{
- out << " " << pretty_version_to_str() << std::endl;
- for (size_t i = skip; i < size; i++) {
- // out << " " << (i-skip+1) << ": " << strings[i] << std::endl;
-
- size_t sz = 1024; // just a guess, template names will go much wider
- char *function = (char *)malloc(sz);
- if (!function)
- return;
- char *begin = 0, *end = 0;
-
- // find the parentheses and address offset surrounding the mangled name
-#ifdef __FreeBSD__
- static constexpr char OPEN = '<';
-#else
- static constexpr char OPEN = '(';
-#endif
- for (char *j = strings[i]; *j; ++j) {
- if (*j == OPEN)
- begin = j+1;
- else if (*j == '+')
- end = j;
- }
- if (begin && end) {
- int len = end - begin;
- char *foo = (char *)malloc(len+1);
- if (!foo) {
- free(function);
- return;
- }
- memcpy(foo, begin, len);
- foo[len] = 0;
-
- int status;
- char *ret = nullptr;
- // only demangle a C++ mangled name
- if (foo[0] == '_' && foo[1] == 'Z')
- ret = abi::__cxa_demangle(foo, function, &sz, &status);
- if (ret) {
- // return value may be a realloc() of the input
- function = ret;
- }
- else {
- // demangling failed, just pretend it's a C function with no args
- strncpy(function, foo, sz);
- strncat(function, "()", sz);
- function[sz-1] = 0;
- }
- out << " " << (i-skip+1) << ": " << OPEN << function << end << std::endl;
- //fprintf(out, " %s:%s\n", stack.strings[i], function);
- free(foo);
- } else {
- // didn't find the mangled name, just print the whole line
- out << " " << (i-skip+1) << ": " << strings[i] << std::endl;
- }
- free(function);
- }
-}
-
-}