#ifndef _STDARG_H #define _STDARG_H /* ---------------------------------------- */ /* VARARGS for MIPS/GNU CC */ /* */ /* */ /* */ /* */ /* ---------------------------------------- */ /* These macros implement varargs for GNU C--either traditional or ANSU. */ /* Define __gnuc_va_list. */ #ifndef __GNUC_VA_LIST #define __GNUC_VA_LIST typedef char* __gnuc_va_list; #endif /* not __GNUC_VA_LIST */ /* If this is for internal libc use, don't define anything but __gnuc_va_list. */ #if defined(_STDARG_H) || defined(_VARARGS_H) /* In GCC version 2, we want an ellipsis at the end of the declaration of the argument list. GCC version 1 can't parse it. */ #if __GNUC__ > 1 #define __va_ellipsis ... #else #define __va_ellipsis #endif #if __mips >= 3 #define __va_rounded_size(__TYPE) (((sizeof(__TYPE) + 8 - 1) / 8) * 8) #else #define __va_rounded_size(__TYPE) (((sizeof(__TYPE) + sizeof(int) - 1) / sizeof(int)) * sizeof(int)) #endif /* Get definitions for _MIPS_SIM_ABI64 etc. */ #ifdef _MIPS_SIM #include #endif #ifdef _STDARG_H #if defined(_MIPS_SIM) && (_MIPS_SIM == _MIPS_SIM_ABI64) #define va_start(__AP, __LASTARG) \ (__AP = __builtin_next_arg(__LASTARG) - 64 + (__builtin_args_info(2) > 8 ? 64 : __builtin_args_info(2) * 8)) #else #define va_start(__AP, __LASTARG) (__AP = (__gnuc_va_list)__builtin_next_arg(__LASTARG)) #endif #else #define va_alist __builtin_va_alist #if __mips >= 3 /* This assumes that `long long int' is always a 64 bit type. */ #define va_dcl \ long long int __builtin_va_alist; \ __va_ellipsis #else #define va_dcl \ int __builtin_va_alist; \ __va_ellipsis #endif /* Need alternate code for _MIPS_SIM_ABI64, but don't use that symbol because it may not be defined. */ #if defined(_MIPS_SIM) && (_MIPS_SIM == _MIPS_SIM_ABI64) #define va_start(__AP) \ (__AP = __builtin_next_arg() - 64 + (__builtin_args_info(2) > 8 ? 64 : __builtin_args_info(2) * 8)) #else #define va_start(__AP) __AP = (char*)&__builtin_va_alist #endif #endif #ifndef va_end void va_end(__gnuc_va_list); /* Defined in libgcc.a */ #endif #define va_end(__AP) ((void)0) /* We cast to void * and then to TYPE * because this avoids a warning about increasing the alignment requirement. */ /* The __mips>=3 cases are reversed from the 32 bit cases, because the standard 32 bit calling convention left-aligns all parameters smaller than a word, whereas the __mips>=3 calling convention does not (and hence they are right aligned). */ #if __mips >= 3 #ifdef __MIPSEB__ #define va_arg(__AP, __type) \ ((__type*)(void*)(__AP = (char*)((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) + __va_rounded_size(__type))))[-1] #else #define va_arg(__AP, __type) \ ((__AP = (char*)((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) + __va_rounded_size(__type))), \ *(__type*)(void*)(__AP - __va_rounded_size(__type))) #endif #else /* not __mips>=3 */ #ifdef __MIPSEB__ /* For big-endian machines. */ #define va_arg(__AP, __type) \ ((__AP = (char*)((__alignof__(__type) > 4 ? ((int)__AP + 8 - 1) & -8 : ((int)__AP + 4 - 1) & -4) \ + __va_rounded_size(__type))), \ *(__type*)(void*)(__AP - __va_rounded_size(__type))) #else /* For little-endian machines. */ #define va_arg(__AP, __type) \ ((__type*)(void*)(__AP = (char*)((__alignof__(__type) > 4 ? ((int)__AP + 8 - 1) & -8 : ((int)__AP + 4 - 1) & -4) \ + __va_rounded_size(__type))))[-1] #endif #endif typedef __gnuc_va_list va_list; #endif /* defined (_STDARG_H) || defined (_VARARGS_H) */ #endif