mirror of
https://github.com/zeldaret/mm.git
synced 2026-05-23 06:54:14 -04:00
Anghelo Carvajal
4fa13e4132
* Delete unused headers * Move PR and io to ultra64 * move headers to ultra64 * more cleanups * more reorganizing * i think that should be all * format * ifdef guards cleanup * Add IO_READ and IO_WRITE macros for future use * warnings * review Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com> * warnings again * warn * ifdef guards * fix merge * fix merge * fix merge * bss * padutils.h * bss * bss * bss * fix merge * bss * bss * bss * fix merge * fixes * fixes * bss * bss * fix merge * fix * fix * fix includepaths * fix paths * bss * fix * ultra64/ -> PR/ * header guards * fix ehader guards * fix * fix++ * format * bss is borken * prevent 2 * :despair: * bss * rename assert to dbg_hungup * fix * a * fix * bss * fix * bss * bss --------- Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com>
45 lines
1.9 KiB
C
45 lines
1.9 KiB
C
#ifndef LIBC_STDARG_H
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#define LIBC_STDARG_H
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// When building with GCC, use the official vaarg macros to avoid warnings
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// and possibly bad codegen.
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#ifdef __GNUC__
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#define va_list __builtin_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_end __builtin_va_end
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#else
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typedef char *va_list;
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#define _FP 1
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#define _INT 0
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#define _STRUCT 2
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#define _VA_FP_SAVE_AREA 0x10
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#define _VA_ALIGN(p, a) (((unsigned int)(((char *)p) + ((a) > 4 ? (a) : 4) - 1)) & -((a) > 4 ? (a) : 4))
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#define va_start(vp, parmN) (vp = ((va_list)&parmN + sizeof(parmN)))
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#define __va_stack_arg(list, mode) \
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( \
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((list) = (char *)_VA_ALIGN(list, __builtin_alignof(mode)) + \
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_VA_ALIGN(sizeof(mode), 4)), \
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(((char *)list) - (_VA_ALIGN(sizeof(mode), 4) - sizeof(mode))))
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#define __va_double_arg(list, mode) \
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( \
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(((long)list & 0x1) /* 1 byte aligned? */ \
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? (list = (char *)((long)list + 7), (char *)((long)list - 6 - _VA_FP_SAVE_AREA)) \
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: (((long)list & 0x2) /* 2 byte aligned? */ \
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? (list = (char *)((long)list + 10), (char *)((long)list - 24 - _VA_FP_SAVE_AREA)) \
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: __va_stack_arg(list, mode))))
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#define va_arg(list, mode) ((mode *)(((__builtin_classof(mode) == _FP && \
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__builtin_alignof(mode) == sizeof(double)) \
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? __va_double_arg(list, mode) \
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: __va_stack_arg(list, mode))))[-1]
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#define va_end(__list)
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#endif /* __GNUC__ */
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#endif /* STDARG_H */
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