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| 29 | #ifndef __mips32_ARG_H__ |
29 | #ifndef __mips32_ARG_H__ |
| 30 | #define __mips32_ARG_H__ |
30 | #define __mips32_ARG_H__ |
| 31 | 31 | ||
| 32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
| 33 | 33 | ||
| 34 | typedef struct va_list { |
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| 35 | int pos; |
- | |
| 36 | __u8 *last; |
- | |
| 37 | } va_list; |
- | |
| 38 | - | ||
| 39 | #define va_start(ap, lst) \ |
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| 40 | (ap).pos = sizeof(lst); \ |
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| 41 | (ap).last = (__u8 *) &(lst) |
- | |
| 42 | - | ||
| 43 | /** |
34 | /** |
| 44 | * va_arg macro for MIPS32 - problem is that 64 bit values must be aligned on an 8-byte boundary (32bit values not) |
35 | * va_arg macro for MIPS32 - problem is that 64 bit values must be aligned on an 8-byte boundary (32bit values not) |
| 45 | * To satisfy this, paddings must be sometimes inserted. |
36 | * To satisfy this, paddings must be sometimes inserted. |
| 46 | */ |
37 | */ |
| 47 | #define va_arg(ap, type) \ |
- | |
| 48 | (*((type *)((ap).last + ((ap).pos += sizeof(type) + ((sizeof(type)==8)&&(((ap).pos)&(4))?4:0)) - sizeof(type)))) |
- | |
| 49 | 38 | ||
| 50 | #define va_end(ap) |
39 | typedef __address va_list; |
| 51 | 40 | ||
| - | 41 | #define va_start(ap, lst) \ |
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| - | 42 | ((ap) = (va_list)&(lst) + sizeof(lst)) |
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| 52 | 43 | ||
| - | 44 | #define va_arg(ap, type) \ |
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| - | 45 | (((type *)((ap) = (va_list)( (sizeof(type) <= 4) ? ((__address)((ap) + 2*4 - 1) & (~3)) : ((__address)((ap) + 2*8 -1) & (~7)) )))[-1]) |
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| - | 46 | ||
| - | 47 | #define va_end(ap) |
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| 53 | 48 | ||
| 54 | #endif |
49 | #endif |