Nils O. Selåsdal
58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
#ifndef UC_BACKTRACE_H_
|
|
#define UC_BACKTRACE_H_
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include "utils.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define UC_BACKTRACE_STDERR uc_backtrace_fd(2)
|
|
/**
|
|
* Print a stacktrace to the given file descriptor.
|
|
*
|
|
* @param fd filedescriptor to write to.
|
|
*/
|
|
void uc_backtrace_fd(int fd);
|
|
/**
|
|
* Print a stactrace to the given buffer
|
|
* (Note that unlike uc_backtrace_fd(), this function
|
|
* does malloc() call and may fail in a signal handler or
|
|
* if memory is corrupted.
|
|
*
|
|
* @param buf buffer to place the stacktrace in.
|
|
* @param len length of buffer
|
|
*/
|
|
void uc_backtrace_buf(char *buf, size_t len);
|
|
|
|
/**
|
|
* assert() that is not affected by NDEBUG define
|
|
*/
|
|
#define UC_ASSERT(expr)\
|
|
do {\
|
|
if (!(expr) ) {\
|
|
fprintf(stderr,\
|
|
"UC_ASSERT failed '%s' %s\n", UC_STRINGIFY(expr), UC_SRC_LOCATION);\
|
|
UC_BACKTRACE_STDERR;\
|
|
abort();\
|
|
}\
|
|
} while (0)
|
|
|
|
/**
|
|
* Macro for asserting code that should not be reached,
|
|
* terminates the program if executed
|
|
*/
|
|
#define UC_NOT_REACED()\
|
|
do {\
|
|
fprintf(stderr, "UC_NOT_REACHED at %s\n", UC_SRC_LOCATION);\
|
|
UC_BACKTRACE_STDERR;\
|
|
abort();\
|
|
while (0)
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|