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* expand __builtin_object_size()
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,22 @@ | ||
void *alloc(unsigned long)__attribute__((alloc_size(1))); | ||
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_Bool sta(void) | ||
{ | ||
void *ptr = alloc(4); | ||
return __builtin_object_size(ptr, 0) == 4; | ||
} | ||
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_Bool dyn(unsigned long n) | ||
{ | ||
void *ptr = alloc(n); | ||
return __builtin_object_size(ptr, 0) == n; | ||
} | ||
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/* | ||
* check-name: builtin-objsize-dyn | ||
* check-command: test-linearize -Wno-decl $file | ||
* check-known-to-fail | ||
* | ||
* check-output-ignore | ||
* check-output-returns: 1 | ||
*/ |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,25 @@ | ||
#define bos(O, T) __builtin_object_size(O, T) | ||
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struct s { | ||
char arr[8]; | ||
__INT32_TYPE__ i; | ||
__INT32_TYPE__ padding; | ||
}; | ||
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static struct s s; | ||
static char *p = &s.arr[1]; | ||
static int *q = &s.i; | ||
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int obj_int0(void) { return bos(&s.i, 0) == 8; } | ||
int obj_arr0(void) { return bos(&s.arr[1], 0) == 15; } | ||
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int ptr_int(struct s *p) { return bos(&p->i, 0) == -1; } | ||
int ptr_arr(struct s *p) { return bos(&p->arr[1], 0) == -1; } | ||
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/* | ||
* check-name: builtin-objsize0 | ||
* check-command: test-linearize -Wno-decl $file | ||
* | ||
* check-output-ignore | ||
* check-output-returns: 1 | ||
*/ |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,21 @@ | ||
#define bos(O, T) __builtin_object_size(O, T) | ||
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struct s { | ||
char arr[8]; | ||
__INT32_TYPE__ i; | ||
__INT32_TYPE__ padding; | ||
}; | ||
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static struct s s; | ||
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int obj_int1(void) { return bos(&s.i, 1) == 4; } | ||
int obj_arr1(void) { return bos(&s.arr[1], 1) == 7; } | ||
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/* | ||
* check-name: builtin-objsize1 | ||
* check-command: test-linearize -Wno-decl $file | ||
* check-known-to-fail | ||
* | ||
* check-output-ignore | ||
* check-output-returns: 1 | ||
*/ |