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x86_64: pass va_list as pointer

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The ABI requires that va_list is passed as a pointer although its
contents is a kept in a structure. Therefore make it a single element
array.
This commit is contained in:
Daniel Glöckner 2014-03-30 00:08:05 +01:00
parent 0ac8aaab1b
commit 3900b235e0
1 changed files with 4 additions and 4 deletions
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8
include/stdarg.h
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@ -16,15 +16,15 @@ typedef struct {
char *reg_save_area;
} __va_list_struct;
typedef __va_list_struct va_list;
typedef __va_list_struct va_list[1];
void __va_start(__va_list_struct *ap, void *fp);
void *__va_arg(__va_list_struct *ap, int arg_type, int size, int align);
#define va_start(ap, last) __va_start(&ap, __builtin_frame_address(0))
#define va_start(ap, last) __va_start(ap, __builtin_frame_address(0))
#define va_arg(ap, type) \
(*(type *)(__va_arg(&ap, __builtin_va_arg_types(type), sizeof(type), __alignof__(type))))
#define va_copy(dest, src) ((dest) = (src))
(*(type *)(__va_arg(ap, __builtin_va_arg_types(type), sizeof(type), __alignof__(type))))
#define va_copy(dest, src) (*(dest) = *(src))
#define va_end(ap)
#else /* _WIN64 */