/* Header file for libgcc2.c. */
-/* Copyright (C) 2000
+/* Copyright (C) 2000, 2001, 2004
Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
/* As a special exception, if you link this library with other files,
some of which are compiled with GCC, to produce an executable,
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
-#ifndef __LIBGCC2_H__
-#define __LIBGCC2_H__
+
+#ifndef GCC_LIBGCC2_H
+#define GCC_LIBGCC2_H
+
+#ifndef HIDE_EXPORTS
+#pragma GCC visibility push(default)
+#endif
extern int __gcc_bcmp (const unsigned char *, const unsigned char *, size_t);
-extern void *__builtin_saveregs (void);
-extern void __dummy (void);
extern void __clear_cache (char *, char *);
-extern void __pure_virtual (void) __attribute__ ((__noreturn__));
-extern void __terminate (void) __attribute__ ((__noreturn__));
-extern void __default_terminate (void) __attribute__ ((__noreturn__));
-extern void *__throw_type_match (void *, void *, void *);
-extern void __empty (void);
-extern void *__get_eh_context (void);
-extern void **__get_eh_info (void);
-extern void ***__get_dynamic_handler_chain (void);
-extern int __eh_rtime_match (void *);
-extern void __unwinding_cleanup (void);
-extern void __rethrow (void *);
-extern void __throw (void);
-extern void __sjthrow (void) __attribute__ ((__noreturn__));
-extern void __sjpopnthrow (void) __attribute__ ((__noreturn__));
extern void __eprintf (const char *, const char *, unsigned int, const char *)
__attribute__ ((__noreturn__));
-struct bb;
-extern void __bb_exit_func (void);
-extern void __bb_init_func (struct bb *);
-extern void __bb_fork_func (void);
-extern void __bb_trace_func (void);
-extern void __bb_trace_ret (void);
-extern void __bb_init_trace_func (struct bb *, unsigned long);
-
struct exception_descriptor;
extern short int __get_eh_table_language (struct exception_descriptor *);
extern short int __get_eh_table_version (struct exception_descriptor *);
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
#endif
+#ifndef MIN_UNITS_PER_WORD
+#define MIN_UNITS_PER_WORD UNITS_PER_WORD
+#endif
+
/* In the first part of this file, we are interfacing to calls generated
by the compiler itself. These calls pass values into these routines
which have very specific modes (rather than very specific types), and
typedef unsigned int UQItype __attribute__ ((mode (QI)));
typedef int HItype __attribute__ ((mode (HI)));
typedef unsigned int UHItype __attribute__ ((mode (HI)));
-#if UNITS_PER_WORD > 1
-/* These typedefs are usually forbidden on dsp's with UNITS_PER_WORD 1 */
+#if MIN_UNITS_PER_WORD > 1
+/* These typedefs are usually forbidden on dsp's with UNITS_PER_WORD 1. */
typedef int SItype __attribute__ ((mode (SI)));
typedef unsigned int USItype __attribute__ ((mode (SI)));
-#if UNITS_PER_WORD > 2
-/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 2 */
+#if LONG_LONG_TYPE_SIZE > 32
+/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 2. */
typedef int DItype __attribute__ ((mode (DI)));
typedef unsigned int UDItype __attribute__ ((mode (DI)));
+#if MIN_UNITS_PER_WORD > 4
+/* These typedefs are usually forbidden on archs with UNITS_PER_WORD 4. */
+typedef int TItype __attribute__ ((mode (TI)));
+typedef unsigned int UTItype __attribute__ ((mode (TI)));
+#endif
#endif
#endif
typedef float SFtype __attribute__ ((mode (SF)));
typedef float DFtype __attribute__ ((mode (DF)));
-#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
+#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 80
typedef float XFtype __attribute__ ((mode (XF)));
#endif
#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128
#define float bogus_type
#define double bogus_type
-#if UNITS_PER_WORD > 2
+/* Versions prior to 3.4.4 were not taking into account the word size for
+ the 5 trapping arithmetic functions absv, addv, subv, mulv and negv. As
+ a consequence, the si and di variants were always and the only ones emitted.
+ To maintain backward compatibility, COMPAT_SIMODE_TRAPPING_ARITHMETIC is
+ defined on platforms where it makes sense to still have the si variants
+ emitted. As a bonus, their implementation is now correct. Note that the
+ same mechanism should have been implemented for the di variants, but it
+ turns out that no platform would define COMPAT_DIMODE_TRAPPING_ARITHMETIC
+ if it existed. */
+
+#if MIN_UNITS_PER_WORD > 4
+#define W_TYPE_SIZE (8 * BITS_PER_UNIT)
+#define Wtype DItype
+#define UWtype UDItype
+#define HWtype DItype
+#define UHWtype UDItype
+#define DWtype TItype
+#define UDWtype UTItype
+#define __NW(a,b) __ ## a ## di ## b
+#define __NDW(a,b) __ ## a ## ti ## b
+#define COMPAT_SIMODE_TRAPPING_ARITHMETIC
+#elif MIN_UNITS_PER_WORD > 2 \
+ || (MIN_UNITS_PER_WORD > 1 && LONG_LONG_TYPE_SIZE > 32)
#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
#define Wtype SItype
#define UWtype USItype
#define UDWtype UDItype
#define __NW(a,b) __ ## a ## si ## b
#define __NDW(a,b) __ ## a ## di ## b
-#elif UNITS_PER_WORD > 1
+#elif MIN_UNITS_PER_WORD > 1
#define W_TYPE_SIZE (2 * BITS_PER_UNIT)
#define Wtype HItype
#define UWtype UHItype
#define __NDW(a,b) __ ## a ## hi ## b
#endif
+#define Wtype_MAX ((Wtype)(((UWtype)1 << (W_TYPE_SIZE - 1)) - 1))
+#define Wtype_MIN (- Wtype_MAX - 1)
+
#define __muldi3 __NDW(mul,3)
#define __divdi3 __NDW(div,3)
#define __udivdi3 __NDW(udiv,3)
#define __lshrdi3 __NDW(lshr,3)
#define __ashldi3 __NDW(ashl,3)
#define __ashrdi3 __NDW(ashr,3)
-#define __ffsdi2 __NDW(ffs,2)
#define __cmpdi2 __NDW(cmp,2)
#define __ucmpdi2 __NDW(ucmp,2)
#define __udivmoddi4 __NDW(udivmod,4)
-#define __fixunstfdi __NDW(fixunstf,)
+#define __fixunstfDI __NDW(fixunstf,)
#define __fixtfdi __NDW(fixtf,)
-#define __fixunsxfdi __NDW(fixunsxf,)
+#define __fixunsxfDI __NDW(fixunsxf,)
#define __fixxfdi __NDW(fixxf,)
-#define __fixunsdfdi __NDW(fixunsdf,)
+#define __fixunsdfDI __NDW(fixunsdf,)
#define __fixdfdi __NDW(fixdf,)
-#define __fixunssfdi __NDW(fixunssf,)
+#define __fixunssfDI __NDW(fixunssf,)
#define __fixsfdi __NDW(fixsf,)
#define __floatdixf __NDW(float,xf)
#define __floatditf __NDW(float,tf)
#define __floatdidf __NDW(float,df)
#define __floatdisf __NDW(float,sf)
-#define __fixunsxfsi __NW(fixunsxf,)
-#define __fixunstfsi __NW(fixunstf,)
-#define __fixunsdfsi __NW(fixunsdf,)
-#define __fixunssfsi __NW(fixunssf,)
-
-/* DWstructs are pairs of Wtype values in the order determined by
- LIBGCC2_WORDS_BIG_ENDIAN. */
-
-#if LIBGCC2_WORDS_BIG_ENDIAN
- struct DWstruct {Wtype high, low;};
-#else
- struct DWstruct {Wtype low, high;};
-#endif
-
-/* We need this union to unpack/pack DImode values, since we don't have
- any arithmetic yet. Incoming DImode parameters are stored into the
- `ll' field, and the unpacked result is read from the struct `s'. */
-
-typedef union
-{
- struct DWstruct s;
- DWtype ll;
-} DWunion;
-
-#if (defined (L_udivmoddi4) || defined (L_muldi3) || defined (L_udiv_w_sdiv)\
- || defined (L_divdi3) || defined (L_udivdi3) \
- || defined (L_moddi3) || defined (L_umoddi3))
-
-#include "longlong.h"
-
-#endif /* udiv or mul */
+#define __fixunsxfSI __NW(fixunsxf,)
+#define __fixunstfSI __NW(fixunstf,)
+#define __fixunsdfSI __NW(fixunsdf,)
+#define __fixunssfSI __NW(fixunssf,)
+
+#define __absvSI2 __NW(absv,2)
+#define __addvSI3 __NW(addv,3)
+#define __subvSI3 __NW(subv,3)
+#define __mulvSI3 __NW(mulv,3)
+#define __negvSI2 __NW(negv,2)
+#define __absvDI2 __NDW(absv,2)
+#define __addvDI3 __NDW(addv,3)
+#define __subvDI3 __NDW(subv,3)
+#define __mulvDI3 __NDW(mulv,3)
+#define __negvDI2 __NDW(negv,2)
+
+#define __ffsSI2 __NW(ffs,2)
+#define __clzSI2 __NW(clz,2)
+#define __ctzSI2 __NW(ctz,2)
+#define __popcountSI2 __NW(popcount,2)
+#define __paritySI2 __NW(parity,2)
+#define __ffsDI2 __NDW(ffs,2)
+#define __clzDI2 __NDW(clz,2)
+#define __ctzDI2 __NDW(ctz,2)
+#define __popcountDI2 __NDW(popcount,2)
+#define __parityDI2 __NDW(parity,2)
extern DWtype __muldi3 (DWtype, DWtype);
extern DWtype __divdi3 (DWtype, DWtype);
extern UDWtype __udivdi3 (UDWtype, UDWtype);
extern UDWtype __umoddi3 (UDWtype, UDWtype);
extern DWtype __moddi3 (DWtype, DWtype);
+
/* __udivmoddi4 is static inline when building other libgcc2 portions. */
#if (!defined (L_udivdi3) && !defined (L_divdi3) && \
!defined (L_umoddi3) && !defined (L_moddi3))
extern DWtype __lshrdi3 (DWtype, word_type);
extern DWtype __ashldi3 (DWtype, word_type);
extern DWtype __ashrdi3 (DWtype, word_type);
-extern DWtype __ffsdi2 (DWtype);
/* __udiv_w_sdiv is static inline when building other libgcc2 portions. */
#if (!defined(L_udivdi3) && !defined(L_divdi3) && \
extern word_type __cmpdi2 (DWtype, DWtype);
extern word_type __ucmpdi2 (DWtype, DWtype);
-extern DFtype __floatdidf (DWtype);
-extern SFtype __floatdisf (DWtype);
-extern UWtype __fixunsdfsi (DFtype);
-extern UWtype __fixunssfsi (SFtype);
-extern DWtype __fixunsdfdi (DFtype);
+
+extern Wtype __absvSI2 (Wtype);
+extern Wtype __addvSI3 (Wtype, Wtype);
+extern Wtype __subvSI3 (Wtype, Wtype);
+extern Wtype __mulvSI3 (Wtype, Wtype);
+extern Wtype __negvSI2 (Wtype);
+extern DWtype __absvDI2 (DWtype);
+extern DWtype __addvDI3 (DWtype, DWtype);
+extern DWtype __subvDI3 (DWtype, DWtype);
+extern DWtype __mulvDI3 (DWtype, DWtype);
+extern DWtype __negvDI2 (DWtype);
+
+#ifdef COMPAT_SIMODE_TRAPPING_ARITHMETIC
+extern SItype __absvsi2 (SItype);
+extern SItype __addvsi3 (SItype, SItype);
+extern SItype __subvsi3 (SItype, SItype);
+extern SItype __mulvsi3 (SItype, SItype);
+extern SItype __negvsi2 (SItype);
+#endif /* COMPAT_SIMODE_TRAPPING_ARITHMETIC */
+
+#if BITS_PER_UNIT == 8
extern DWtype __fixdfdi (DFtype);
-extern DWtype __fixunssfdi (SFtype);
extern DWtype __fixsfdi (SFtype);
+extern DFtype __floatdidf (DWtype);
+extern SFtype __floatdisf (DWtype);
+extern UWtype __fixunsdfSI (DFtype);
+extern UWtype __fixunssfSI (SFtype);
+extern DWtype __fixunsdfDI (DFtype);
+extern DWtype __fixunssfDI (SFtype);
-#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
+#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 80
extern DWtype __fixxfdi (XFtype);
-extern DWtype __fixunsxfdi (XFtype);
+extern DWtype __fixunsxfDI (XFtype);
extern XFtype __floatdixf (DWtype);
-extern UWtype __fixunsxfsi (XFtype);
+extern UWtype __fixunsxfSI (XFtype);
#endif
#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128
-extern DWtype __fixunstfdi (TFtype);
+extern DWtype __fixunstfDI (TFtype);
extern DWtype __fixtfdi (TFtype);
extern TFtype __floatditf (DWtype);
#endif
+#endif /* BITS_PER_UNIT == 8 */
+
+/* DWstructs are pairs of Wtype values in the order determined by
+ LIBGCC2_WORDS_BIG_ENDIAN. */
+
+#if LIBGCC2_WORDS_BIG_ENDIAN
+ struct DWstruct {Wtype high, low;};
+#else
+ struct DWstruct {Wtype low, high;};
+#endif
+
+/* We need this union to unpack/pack DImode values, since we don't have
+ any arithmetic yet. Incoming DImode parameters are stored into the
+ `ll' field, and the unpacked result is read from the struct `s'. */
+
+typedef union
+{
+ struct DWstruct s;
+ DWtype ll;
+} DWunion;
+
+#include "longlong.h"
+
+#undef int
+extern int __clzDI2 (UDWtype);
+extern int __clzSI2 (UWtype);
+extern int __ctzSI2 (UWtype);
+extern int __ffsSI2 (UWtype);
+extern int __ffsDI2 (DWtype);
+extern int __ctzDI2 (UDWtype);
+extern int __popcountSI2 (UWtype);
+extern int __popcountDI2 (UDWtype);
+extern int __paritySI2 (UWtype);
+extern int __parityDI2 (UDWtype);
+#define int bogus_type
+
+extern void __enable_execute_stack (void *);
+
+#ifndef HIDE_EXPORTS
+#pragma GCC visibility pop
+#endif
-#endif /* __LIBGCC2_H__ */
+#endif /* ! GCC_LIBGCC2_H */
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