Subversion Repositories HelenOS-historic

Rev

Rev 1010 | Rev 1656 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1010 Rev 1049
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