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Update valgrind support to match the latest valgrind API.

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Adjust valgrind mode to insert padding between every allocation to increase sensitivity.
This commit is contained in:
Gregory Maxwell 2009-06-30 01:06:04 -04:00 • committed by Jean-Marc Valin
parent c57475b480
commit 849669547e
2 changed files with 22 additions and 16 deletions
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2
libcelt/modes.c
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@ -310,7 +310,7 @@ CELTMode *celt_mode_create(celt_int32_t Fs, int channels, int frame_size, int *e
mode->marker_start = MODEPARTIAL;
#else
int res;
CELTMode *mode;
CELTMode *mode=NULL;
celt_word16_t *window;
ALLOC_STACK;
#if !defined(VAR_ARRAYS) && !defined(USE_ALLOCA)

32
libcelt/stack_alloc.h
View file

@ -103,14 +103,26 @@
#else
#ifdef CELT_C
char *global_stack=0;
#else
extern char *global_stack;
#endif /*CELT_C*/
#ifdef ENABLE_VALGRIND
#include <valgrind/memcheck.h>
#define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1))
#ifdef CELT_C
char *global_stack_top=0;
#else
extern char *global_stack_top;
#endif /*CELT_C*/
#define PUSH(stack, size, type) (VALGRIND_MAKE_NOACCESS(stack, 1000),ALIGN((stack),sizeof(type)/sizeof(char)),VALGRIND_MAKE_WRITABLE(stack, ((size)*sizeof(type)/sizeof(char))),(stack)+=((size)*sizeof(type)/sizeof(char)),(type*)((stack)-((size)*sizeof(type)/sizeof(char))))
#define RESTORE_STACK ((global_stack = _saved_stack),VALGRIND_MAKE_NOACCESS(global_stack, 1000))
#define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1))
#define PUSH(stack, size, type) (VALGRIND_MAKE_MEM_NOACCESS(stack, global_stack_top-stack),ALIGN((stack),sizeof(type)/sizeof(char)),VALGRIND_MAKE_MEM_UNDEFINED(stack, ((size)*sizeof(type)/sizeof(char))),(stack)+=(2*(size)*sizeof(type)/sizeof(char)),(type*)((stack)-(2*(size)*sizeof(type)/sizeof(char))))
#define RESTORE_STACK ((global_stack = _saved_stack),VALGRIND_MAKE_MEM_NOACCESS(global_stack, global_stack_top-global_stack))
#define ALLOC_STACK ((global_stack = (global_stack==0) ? ((global_stack_top=celt_alloc_scratch(GLOBAL_STACK_SIZE*2)+(GLOBAL_STACK_SIZE*2))-(GLOBAL_STACK_SIZE*2)) : global_stack),VALGRIND_MAKE_MEM_NOACCESS(global_stack, global_stack_top-global_stack))
#else
@ -118,22 +130,16 @@
#define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1))
#define PUSH(stack, size, type) (ALIGN((stack),sizeof(type)/sizeof(char)),(stack)+=(size)*(sizeof(type)/sizeof(char)),(type*)((stack)-(size)*(sizeof(type)/sizeof(char))))
#define RESTORE_STACK (global_stack = _saved_stack)
#define ALLOC_STACK (global_stack = (global_stack==0) ? celt_alloc_scratch(GLOBAL_STACK_SIZE) : global_stack)
#endif
#ifdef CELT_C
char *global_stack=0;
#else
extern char *global_stack;
#endif
#endif /*ENABLE_VALGRIND*/
#include "os_support.h"
#define VARDECL(type, var) type *var
#define ALLOC(var, size, type) var = PUSH(global_stack, size, type)
#define SAVE_STACK char *_saved_stack = global_stack;
#define ALLOC_STACK (global_stack = (global_stack==0) ? celt_alloc_scratch(GLOBAL_STACK_SIZE) : global_stack)
#endif
#endif /*VAR_ARRAYS*/
#endif
#endif /*STACK_ALLOC_H*/