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32 | /* dont allow to define it second time in stdarg.h */ |
32 | /* dont allow to define it second time in stdarg.h */ |
33 | #define __VARARGS_DEFINED |
33 | #define __VARARGS_DEFINED |
34 | 34 | ||
35 | #include <types.h> |
35 | #include <types.h> |
36 | 36 | ||
37 | typedef struct va_list { |
- | |
38 | int pos; |
- | |
39 | uint8_t *last; |
- | |
40 | } va_list; |
- | |
41 | - | ||
42 | #define va_start(ap, lst) \ |
- | |
43 | (ap).pos = sizeof(lst); \ |
- | |
44 | (ap).last = (uint8_t *) &(lst) |
- | |
45 | - | ||
46 | /** |
37 | /** |
47 | * va_arg macro for MIPS32 - problem is that 64 bit values must be aligned on an 8-byte boundary (32bit values not) |
38 | * va_arg macro for MIPS32 - problem is that 64 bit values must be aligned on an 8-byte boundary (32bit values not) |
48 | * To satisfy this, paddings must be sometimes inserted. |
39 | * To satisfy this, paddings must be sometimes inserted. |
49 | */ |
40 | */ |
50 | #define va_arg(ap, type) \ |
- | |
51 | (*((type *)((ap).last + ((ap).pos += sizeof(type) + ((sizeof(type) == 8) && (((ap).pos)&4) ? 4 : 0)) - sizeof(type)))) |
- | |
52 | 41 | ||
53 | #define va_end(ap) |
42 | typedef uint8_t* va_list; |
54 | 43 | ||
- | 44 | #define va_start(ap, lst) \ |
|
- | 45 | ((ap) = (va_list)&(lst) + sizeof(lst)) |
|
55 | 46 | ||
- | 47 | #define va_arg(ap, type) \ |
|
- | 48 | (((type *)((ap) = (va_list)( (sizeof(type) <= 4) ? ((uint32_t)((ap) + 2*4 - 1) & (~3)) : ((uint32_t)((ap) + 2*8 -1) & (~7)) )))[-1]) |
|
- | 49 | ||
- | 50 | #define va_end(ap) |
|
56 | 51 | ||
57 | #endif |
52 | #endif |