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Add support for the gcc-2.95 stdarg implementation.

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mp 2001-10-18 19:11:12 +00:00
parent d2eb759e62
commit c9f98c9686
2 changed files with 40 additions and 0 deletions
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11
sys/powerpc/include/ansi.h
View File

@ -74,6 +74,16 @@
#if defined __GNUC__ && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ > 95)
#define _BSD_VA_LIST_ __builtin_va_list /* internally known to gcc */
#else
#if defined __GNUC__ && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ == 95)
typedef struct {
char __gpr;
char __fpr;
char __pad[2];
char *__stack;
char *__base;
} __va_list[1];
#define _BSD_VA_LIST_ __va_list /* va_list */
#else
typedef struct {
char __gpr;
char __fpr;
@ -82,6 +92,7 @@ typedef struct {
char *__base;
} __va_list;
#define _BSD_VA_LIST_ __va_list /* va_list */
#endif
#endif /* post GCC 2.95 */
#if defined __GNUC__
typedef _BSD_VA_LIST_ __gnuc_va_list; /* compatibility w/GNU headers*/

29
sys/powerpc/include/stdarg.h
View File

@ -51,12 +51,18 @@ typedef _BSD_VA_LIST_ va_list;
#else
#if defined __GNUC__ && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ == 95)
#define va_start(ap, last) \
(__builtin_next_arg(last), \
__builtin_memcpy ((ap), __builtin_saveregs (), sizeof(__gnuc_va_list)))
#else
#define va_start(ap, last) \
(__builtin_next_arg(last), \
(ap).__stack = __va_stack_args, \
(ap).__base = __va_reg_args, \
(ap).__gpr = __va_first_gpr, \
(ap).__fpr = __va_first_fpr)
#endif
#define __va_first_gpr (__builtin_args_info(0))
#define __va_first_fpr (__builtin_args_info(1) - 32 - 1)
@ -83,6 +89,28 @@ typedef _BSD_VA_LIST_ va_list;
#define __va_size(type) \
((sizeof(type) + sizeof(int) - 1) / sizeof(int) * sizeof(int))
#if defined __GNUC__ && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ == 95)
#define __va_savedgpr(ap, type) \
((ap)->__base + (ap)->__gpr * sizeof(int) - sizeof(type))
#define __va_savedfpr(ap, type) \
((ap)->__base + 8 * sizeof(int) + (ap)->__fpr * sizeof(double) - \
sizeof(type))
#define __va_stack(ap, type) \
((ap)->__stack += __va_size(type) + \
(__va_longlong(type) ? (int)(ap)->__stack & 4 : 0), \
(ap)->__stack - sizeof(type))
#define __va_gpr(ap, type) \
((ap)->__gpr += __va_size(type) / sizeof(int) + \
(__va_longlong(type) ? (ap)->__gpr & 1 : 0), \
(ap)->__gpr <= 8 ? __va_savedgpr(ap, type) : __va_stack(ap, type))
#define __va_fpr(ap, type) \
((ap)->__fpr++, \
(ap)->__fpr <= 8 ? __va_savedfpr(ap, type) : __va_stack(ap, type))
#else
#define __va_savedgpr(ap, type) \
((ap).__base + (ap).__gpr * sizeof(int) - sizeof(type))
@ -103,6 +131,7 @@ typedef _BSD_VA_LIST_ va_list;
#define __va_fpr(ap, type) \
((ap).__fpr++, \
(ap).__fpr <= 8 ? __va_savedfpr(ap, type) : __va_stack(ap, type))
#endif
#define va_arg(ap, type) \
(*(type *)(__va_struct(type) ? (*(void **)__va_gpr(ap, void *)) : \