UHSDR/UHSDR-active-devel/mchf-eclipse/drivers/freedv/debug_alloc.h
2022-11-08 16:13:55 +01:00

64 lines
1.5 KiB
C

/* debug_alloc.h
*
* Some macros which can report on malloc results.
*
* Enable with "-D DEBUG_MALLOC"
*/
#ifndef DEBUG_ALLOC_H
#define DEBUG_ALLOC_H
#include <stdio.h>
#ifdef DEBUG_ALLOC
// Debug calls
#ifdef CORTEX_M4
extern char * __heap_end;
register char * sp asm ("sp");
#endif
static inline void * DEBUG_MALLOC(const char *func, size_t size) {
void *ptr = malloc(size);
fprintf(stderr, "MALLOC: %s %p %zd", func, ptr, size);
#ifdef CORTEX_M4
fprintf(stderr, " : sp %p heap_end %p", sp, __heap_end);
#endif
if (!ptr) fprintf(stderr, " ** FAILED **");
fprintf(stderr, "\n");
return(ptr);
}
#define MALLOC(size) DEBUG_MALLOC(__func__, size)
static inline void * DEBUG_CALLOC(const char *func, size_t nmemb, size_t size) {
void *ptr = calloc(nmemb, size);
fprintf(stderr, "CALLOC: %s %p %zd %zd", func, ptr, nmemb, size);
#ifdef CORTEX_M4
fprintf(stderr, " : sp %p heap_end %p", sp, __heap_end);
#endif
if (!ptr) fprintf(stderr, " ** FAILED **");
fprintf(stderr, "\n");
return(ptr);
}
#define CALLOC(nmemb, size) DEBUG_CALLOC(__func__, nmemb, size)
static inline void DEBUG_FREE(const char *func, void *ptr) {
free(ptr);
fprintf(stderr, "FREE: %s %p\n", func, ptr);
}
#define FREE(ptr) DEBUG_FREE(__func__, ptr)
#else //DEBUG_ALLOC
// Default to normal calls
#define MALLOC(size) malloc(size)
#define CALLOC(nmemb, size) calloc(nmemb, size)
#define FREE(ptr) free(ptr)
#endif //DEBUG_ALLOC
#endif //DEBUG_ALLOC_H