0ed7ba3f5e
- add __builtin_va_arg_types to check how arguments were passed - move most code of stdarg into libtcc1.c - remove __builtin_malloc and __builtin_free - add a test case based on the bug report (http://www.mail-archive.com/tinycc-devel@nongnu.org/msg03036.html)
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
#ifndef _STDARG_H
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#define _STDARG_H
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#ifdef __x86_64__
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#ifndef _WIN64
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typedef void *va_list;
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va_list __va_start(void *fp);
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void *__va_arg(va_list ap, int arg_type, int size);
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va_list __va_copy(va_list src);
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void __va_end(va_list ap);
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#define va_start(ap, last) ((ap) = __va_start(__builtin_frame_address(0)))
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#define va_arg(ap, type) \
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(*(type *)(__va_arg(ap, __builtin_va_arg_types(type), sizeof(type))));
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#define va_copy(dest, src) ((dest) = __va_copy(src))
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#define va_end(ap) __va_end(ap)
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#else /* _WIN64 */
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typedef char *va_list;
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#define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+7)&~7)
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#define va_arg(ap,type) (ap += (sizeof(type)+7)&~7, *(type *)(ap - ((sizeof(type)+7)&~7)))
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#define va_copy(dest, src) (dest) = (src)
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#define va_end(ap)
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#endif
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#else /* __i386__ */
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typedef char *va_list;
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/* only correct for i386 */
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#define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)
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#define va_arg(ap,type) (ap += (sizeof(type)+3)&~3, *(type *)(ap - ((sizeof(type)+3)&~3)))
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#define va_copy(dest, src) (dest) = (src)
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#define va_end(ap)
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#endif
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/* fix a buggy dependency on GCC in libio.h */
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typedef va_list __gnuc_va_list;
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#define _VA_LIST_DEFINED
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#endif /* _STDARG_H */
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