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Attempt to decompile sprintf

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Ryan Dwyer
2021-01-30 17:28:30 +10:00
parent 4e843fd58d
commit 5dda8480f6
4 changed files with 58 additions and 9 deletions
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src/include/PR/os_libc.h
+1 -1
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@@ -21,7 +21,7 @@
/*---------------------------------------------------------------------*
Copyright (C) 1998 Nintendo. (Originated by SGI)
$RCSfile: os_libc.h,v $
$Revision: 1.3 $
$Date: 1999/07/13 01:43:47 $
src/include/PR/os_misc.h
+30
View File
@@ -63,6 +63,36 @@ typedef struct {
/* 34 */ char length;
} printf_struct;
typedef char *va_list;
#define _FP 1
#define _INT 0
#define _STRUCT 2
#define _VA_FP_SAVE_AREA 0x10
#define _VA_ALIGN(p, a) (((unsigned int)(((char *)p) + ((a) > 4 ? (a) : 4) - 1)) & -((a) > 4 ? (a) : 4))
#define va_start(vp, parmN) (vp = ((va_list)&parmN + sizeof(parmN)))
#define __va_stack_arg(list, mode) \
( \
((list) = (char *)_VA_ALIGN(list, __builtin_alignof(mode)) + \
_VA_ALIGN(sizeof(mode), 4)), \
(((char *)list) - (_VA_ALIGN(sizeof(mode), 4) - sizeof(mode))))
#define __va_double_arg(list, mode) \
( \
(((long)list & 0x1) /* 1 byte aligned? */ \
? (list = (char *)((long)list + 7), (char *)((long)list - 6 - _VA_FP_SAVE_AREA)) \
: (((long)list & 0x2) /* 2 byte aligned? */ \
? (list = (char *)((long)list + 10), (char *)((long)list - 24 - _VA_FP_SAVE_AREA)) \
: __va_stack_arg(list, mode))))
#define va_arg(list, mode) ((mode *)(((__builtin_classof(mode) == _FP && \
__builtin_alignof(mode) == sizeof(double)) \
? __va_double_arg(list, mode) \
: __va_stack_arg(list, mode))))[-1]
#define va_end(__list)
/* Miscellaneous OS functions */
void osInitialize(void);