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| Rev 1010 | Rev 1049 | ||
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| Line 32... | Line 32... | ||
| 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 |