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