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Diffstat (limited to 'contrib/gcc/ginclude/va-pyr.h')
| -rw-r--r-- | contrib/gcc/ginclude/va-pyr.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/contrib/gcc/ginclude/va-pyr.h b/contrib/gcc/ginclude/va-pyr.h deleted file mode 100644 index 5ad4ba9..0000000 --- a/contrib/gcc/ginclude/va-pyr.h +++ /dev/null @@ -1,130 +0,0 @@ -/** - * - * Varargs for PYR/GNU CC - * - * WARNING -- WARNING -- DANGER - * - * The code in this file implements varargs for gcc on a pyr in - * a way that is compatible with code compiled by the Pyramid Technology - * C compiler. - * As such, it depends strongly on the Pyramid conventions for - * parameter passing.ct and independent implementation. - * These (somewhat bizarre) parameter-passing conventions are described - * in the ``OSx Operating System Porting Guide''. - * - * A quick summary is useful: - * 12 of the 48 register-windowed regs available for - * parameter passing. Parameters of a function call that are eligible - * to be passed in registers are assigned registers from TR0/PR0 onwards; - * all other arguments are passed on the stack. - * Structure and union parameters are *never* passed in registers, - * even if they are small enough to fit. They are always passed on - * the stack. - * - * Double-sized parameters cannot be passed in TR11, because - * TR12 is not used for passing parameters. If, in the absence of this - * rule, a double-sized param would have been passed in TR11, - * that parameter is passed on the stack and no parameters are - * passed in TR11. - * - * It is only known to work for passing 32-bit integer quantities - * (ie chars, shorts, ints/enums, longs), doubles, or pointers. - * Passing structures on a Pyramid via varargs is a loser. - * Passing an object larger than 8 bytes on a pyramid via varargs may - * also be a loser. - * - */ - - -/* - * pointer to next stack parameter in __va_buf[0] - * pointer to next parameter register in __va_buf[1] - * Count of registers seen at __va_buf[2] - * saved pr0..pr11 in __va_buf[3..14] - * # of calls to va_arg (debugging) at __va_buf[15] - */ - -/* Define __gnuc_va_list. */ - -#ifndef __GNUC_VA_LIST -#define __GNUC_VA_LIST - -typedef void *__voidptr; -#if 1 - -typedef struct __va_regs { - __voidptr __stackp,__regp,__count; - __voidptr __pr0,__pr1,__pr2,__pr3,__pr4,__pr5,__pr6,__pr7,__pr8,__pr9,__pr10,__pr11; - } __va_regs; - -typedef __va_regs __va_buf; -#else - -/* __va_buf[0] = address of next arg passed on the stack - __va_buf[1] = address of next arg passed in a register - __va_buf[2] = register-# of next arg passed in a register - */ -typedef __voidptr(*__va_buf); - -#endif - -typedef __va_buf __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 - -#define va_alist \ - __va0,__va1,__va2,__va3,__va4,__va5,__va6,__va7,__va8,__va9,__va10,__va11, \ - __builtin_va_alist - -/* The ... causes current_function_varargs to be set in cc1. */ -#define va_dcl __voidptr va_alist; __va_ellipsis - - -/* __asm ("rcsp %0" : "=r" ( _AP [0]));*/ - -#define va_start(_AP) \ - _AP = ((struct __va_regs) { \ - &(_AP.__pr0), (void*)&__builtin_va_alist, (void*)0, \ - __va0,__va1,__va2,__va3,__va4,__va5, \ - __va6,__va7,__va8,__va9,__va10,__va11}) - - -/* Avoid errors if compiling GCC v2 with GCC v1. */ -#if __GNUC__ == 1 -#define __extension__ -#endif - -/* We cast to void * and then to TYPE * because this avoids - a warning about increasing the alignment requirement. */ -#define va_arg(_AP, _MODE) \ -__extension__ \ -(*({__voidptr *__ap = (__voidptr*)&_AP; \ - register int __size = sizeof (_MODE); \ - register int __onstack = \ - (__size > 8 || ( (int)(__ap[2]) > 11) || \ - (__size==8 && (int)(__ap[2])==11)); \ - register int* __param_addr = ((int*)((__ap) [__onstack])); \ - \ - ((void *)__ap[__onstack])+=__size; \ - if (__onstack==0 || (int)(__ap[2])==11) \ - __ap[2]+= (__size >> 2); \ - (( _MODE *) (void *) __param_addr); \ -})) - -void va_end (__gnuc_va_list); /* Defined in libgcc.a */ -#define va_end(_X) ((void)0) - -#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */ |
