245f6a0d13
This makes available the __builtin_va_list type and __builtin variants of va_start, va_arg, va_copy and va_end. We do this via a header file that's prepended to all compilations always (except if merely preprocessing): tcc_predefs.h. That header could also be used for predefining other builtins in the future. We don't need the define hacks for musl anymore with this. Also fix x86_64 gfunc_prologue to reserve enoug space for the full va_list structure, not just 16 bytes.
14 lines
335 B
C
14 lines
335 B
C
#ifndef _STDARG_H
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#define _STDARG_H
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typedef __builtin_va_list va_list;
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#define va_start __builtin_va_start
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#define va_arg __builtin_va_arg
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#define va_copy __builtin_va_copy
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#define va_end __builtin_va_end
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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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