stdarg.h, varargs.h: Implement in terms of builtin functions and types.
* ginclude/stdarg.h, ginclude/varargs.h: Implement in
terms of builtin functions and types.
From-SVN: r29416
This commit is contained in:
Richard Henderson
Richard Henderson
parent
514066a133
commit
8411a90399
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@ -1,3 +1,18 @@
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Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
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* ginclude/stdarg.h, ginclude/varargs.h: Implement in
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terms of builtin functions and types.
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* mips.c (mips_build_va_list): New.
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(mips_va_start, mips_va_arg): New.
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* mips.h (BUILD_VA_LIST_TYPE): New.
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(EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
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* sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
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(sh_build_va_list, sh_va_start, sh_va_arg): New.
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* sh.h (BUILD_VA_LIST_TYPE): New.
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(EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
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Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
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* recog.h (struct recog_data): Make dup_num, operand_address_p,
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@ -1,4 +1,5 @@
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/* stdarg.h for GNU.
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Note that the type used in va_arg is supposed to match the
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actual type **after default promotions**.
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Thus, va_arg (..., short) is not valid. */
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@ -11,135 +12,23 @@
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#endif /* not __need___va_list */
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#undef __need___va_list
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#ifdef __clipper__
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#include "va-clipper.h"
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#else
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#ifdef __m88k__
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#include "va-m88k.h"
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#else
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#ifdef __i860__
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#include "va-i860.h"
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#else
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#ifdef __hppa__
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#include "va-pa.h"
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#else
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#ifdef __mips__
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#include "va-mips.h"
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#else
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#ifdef __sparc__
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#include "va-sparc.h"
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#else
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#ifdef __i960__
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#include "va-i960.h"
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#else
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#ifdef __alpha__
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#include "va-alpha.h"
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#else
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#if defined (__H8300__) || defined (__H8300H__) || defined (__H8300S__)
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#include "va-h8300.h"
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#else
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#if defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
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#include "va-ppc.h"
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#else
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#ifdef __arc__
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#include "va-arc.h"
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#else
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#ifdef __M32R__
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#include "va-m32r.h"
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#else
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#ifdef __sh__
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#include "va-sh.h"
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#else
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#ifdef __mn10300__
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#include "va-mn10300.h"
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#else
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#ifdef __mn10200__
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#include "va-mn10200.h"
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#else
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#ifdef __v850__
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#include "va-v850.h"
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#else
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#if defined (_TMS320C4x) || defined (_TMS320C3x)
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#include <va-c4x.h>
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#else
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/* Define __gnuc_va_list. */
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#ifndef __GNUC_VA_LIST
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#define __GNUC_VA_LIST
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#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX) || defined(__NetBSD__)
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typedef char *__gnuc_va_list;
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#else
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typedef void *__gnuc_va_list;
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#endif
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typedef __builtin_va_list __gnuc_va_list;
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#endif
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/* Define the standard macros for the user,
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if this invocation was from the user program. */
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#ifdef _STDARG_H
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/* Amount of space required in an argument list for an arg of type TYPE.
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TYPE may alternatively be an expression whose type is used. */
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#define va_start(v,l) __builtin_stdarg_start(&(v),l)
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#define va_end __builtin_va_end
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#define va_arg __builtin_va_arg
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#define va_copy(d,s) __builtin_va_copy(&(d),(s))
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#if defined(sysV68)
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#define __va_rounded_size(TYPE) \
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(((sizeof (TYPE) + sizeof (short) - 1) / sizeof (short)) * sizeof (short))
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#elif defined(_AIX)
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#define __va_rounded_size(TYPE) \
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(((sizeof (TYPE) + sizeof (long) - 1) / sizeof (long)) * sizeof (long))
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#else
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#define __va_rounded_size(TYPE) \
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(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
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#endif
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#define va_start(AP, LASTARG) \
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(AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG)))
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#undef va_end
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void va_end (__gnuc_va_list); /* Defined in libgcc.a */
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#define va_end(AP) ((void)0)
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/* We cast to void * and then to TYPE * because this avoids
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a warning about increasing the alignment requirement. */
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#if (defined (__arm__) && ! defined (__ARMEB__)) || defined (__i386__) || defined (__i860__) || defined (__ns32000__) || defined (__vax__)
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/* This is for little-endian machines; small args are padded upward. */
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#define va_arg(AP, TYPE) \
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(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
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*((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE))))
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#else /* big-endian */
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/* This is for big-endian machines; small args are padded downward. */
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#define va_arg(AP, TYPE) \
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(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
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*((TYPE *) (void *) ((char *) (AP) \
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- ((sizeof (TYPE) < __va_rounded_size (char) \
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? sizeof (TYPE) : __va_rounded_size (TYPE))))))
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#endif /* big-endian */
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/* Copy __gnuc_va_list into another variable of this type. */
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#define __va_copy(dest, src) (dest) = (src)
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#endif /* _STDARG_H */
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#endif /* not TMS320C3x or TMS320C4x */
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#endif /* not v850 */
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#endif /* not mn10200 */
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#endif /* not mn10300 */
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#endif /* not sh */
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#endif /* not m32r */
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#endif /* not arc */
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#endif /* not powerpc with V.4 calling sequence */
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#endif /* not h8300 */
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#endif /* not alpha */
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#endif /* not i960 */
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#endif /* not sparc */
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#endif /* not mips */
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#endif /* not hppa */
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#endif /* not i860 */
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#endif /* not m88k */
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#endif /* not clipper */
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#ifdef _STDARG_H
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/* Define va_list, if desired, from __gnuc_va_list. */
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/* We deliberately do not define va_list when called from
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stdio.h, because ANSI C says that stdio.h is not supposed to define
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@ -3,64 +3,6 @@
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#ifndef _VARARGS_H
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#define _VARARGS_H
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#ifdef __sparc__
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#include "va-sparc.h"
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#else
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#ifdef __spur__
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#include "va-spur.h"
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#else
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#ifdef __mips__
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#include "va-mips.h"
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#else
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#ifdef __i860__
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#include "va-i860.h"
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#else
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#ifdef __pyr__
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#include "va-pyr.h"
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#else
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#ifdef __clipper__
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#include "va-clipper.h"
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#else
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#ifdef __m88k__
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#include "va-m88k.h"
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#else
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#if defined(__hppa__) || defined(hp800)
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#include "va-pa.h"
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#else
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#ifdef __i960__
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#include "va-i960.h"
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#else
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#ifdef __alpha__
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#include "va-alpha.h"
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#else
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#if defined (__H8300__) || defined (__H8300H__) || defined (__H8300S__)
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#include "va-h8300.h"
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#else
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#if defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
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#include "va-ppc.h"
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#else
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#ifdef __arc__
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#include "va-arc.h"
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#else
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#ifdef __M32R__
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#include "va-m32r.h"
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#else
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#ifdef __sh__
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#include "va-sh.h"
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#else
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#ifdef __mn10300__
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#include "va-mn10300.h"
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#else
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#ifdef __mn10200__
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#include "va-mn10200.h"
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#else
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#ifdef __v850__
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#include "va-v850.h"
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#else
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#if defined (_TMS320C4x) || defined (_TMS320C3x)
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#include <va-c4x.h>
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#else
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#ifdef __NeXT__
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/* On Next, erase any vestiges of stdarg.h. */
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@ -75,91 +17,32 @@
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#undef va_list
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#undef va_start
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#undef va_end
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#undef __va_rounded_size
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#undef va_arg
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#endif /* __NeXT__ */
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/* In GCC version 2, we want an ellipsis at the end of the declaration
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of the argument list. GCC version 1 can't parse it. */
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#if __GNUC__ > 1
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#define __va_ellipsis ...
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#else
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#define __va_ellipsis
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#endif
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/* These macros implement traditional (non-ANSI) varargs
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for GNU C. */
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#define va_alist __builtin_va_alist
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/* The ... causes current_function_varargs to be set in cc1. */
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/* ??? We don't process attributes correctly in K&R argument context. */
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typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));
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#define va_dcl __builtin_va_alist_t __builtin_va_alist; __va_ellipsis
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/* Define __gnuc_va_list, just as in gstdarg.h. */
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/* ??? It would be nice to get rid of the ellipsis here. It causes
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current_function_varargs to be set in cc1. */
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#define va_dcl __builtin_va_alist_t __builtin_va_alist; ...
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/* Define __gnuc_va_list, just as in stdarg.h. */
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#ifndef __GNUC_VA_LIST
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#define __GNUC_VA_LIST
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#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX)
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typedef char *__gnuc_va_list;
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#else
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typedef void *__gnuc_va_list;
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#endif
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typedef __builtin_va_list __gnuc_va_list;
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#endif
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#define va_start(AP) AP=(char *) &__builtin_va_alist
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#define va_end(AP) ((void)0)
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#if defined(sysV68)
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#define __va_rounded_size(TYPE) \
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(((sizeof (TYPE) + sizeof (short) - 1) / sizeof (short)) * sizeof (short))
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#elif defined(_AIX)
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#define __va_rounded_size(TYPE) \
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(((sizeof (TYPE) + sizeof (long) - 1) / sizeof (long)) * sizeof (long))
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#else
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#define __va_rounded_size(TYPE) \
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(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
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#endif
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#if (defined (__arm__) && ! defined (__ARMEB__)) || defined (__i386__) || defined (__i860__) || defined (__ns32000__) || defined (__vax__)
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/* This is for little-endian machines; small args are padded upward. */
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#define va_arg(AP, TYPE) \
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(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
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*((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE))))
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#else /* big-endian */
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/* This is for big-endian machines; small args are padded downward. */
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#define va_arg(AP, TYPE) \
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(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
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*((TYPE *) (void *) ((char *) (AP) \
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- ((sizeof (TYPE) < __va_rounded_size (char) \
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? sizeof (TYPE) : __va_rounded_size (TYPE))))))
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#endif /* big-endian */
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/* Copy __gnuc_va_list into another variable of this type. */
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#define __va_copy(dest, src) (dest) = (src)
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#endif /* not TMS320C3x or TMS320C4x */
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#endif /* not v850 */
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#endif /* not mn10200 */
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#endif /* not mn10300 */
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#endif /* not sh */
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#endif /* not m32r */
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#endif /* not arc */
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#endif /* not powerpc with V.4 calling sequence */
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#endif /* not h8300 */
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#endif /* not alpha */
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#endif /* not i960 */
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#endif /* not hppa */
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#endif /* not m88k */
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#endif /* not clipper */
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#endif /* not pyr */
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#endif /* not i860 */
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#endif /* not mips */
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#endif /* not spur */
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#endif /* not sparc */
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#endif /* not _VARARGS_H */
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#define va_start(v) __builtin_varargs_start(&(v))
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#define va_end __builtin_va_end
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#define va_arg __builtin_va_arg
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#define __va_copy(d,s) __builtin_va_copy(&(d),(s))
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/* Define va_list from __gnuc_va_list. */
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@ -227,3 +110,5 @@ typedef __gnuc_va_list va_list;
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#ifdef _BSD_VA_LIST
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#undef _BSD_VA_LIST
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#endif
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#endif /* _VARARGS_H */
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