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riscv-gcc-1
Commit 299b83b7 by Kaveh R. Ghazi Committed by Kaveh Ghazi
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libgcc2.h: New file. 

	* libgcc2.h: New file.
	* libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.

From-SVN: r32440
parent c65ebc55
Showing with 300 additions and 199 deletions
gcc/ChangeLog
2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* libgcc2.h: New file.
* libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
* configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
......
gcc/libgcc2.c
......@@ -49,182 +49,7 @@ Boston, MA 02111-1307, USA. */
#define inhibit_libc
#endif
/* Permit the tm.h file to select the endianness to use just for this
file. This is used when the endianness is determined when the
compiler is run. */
#ifndef LIBGCC2_WORDS_BIG_ENDIAN
#define LIBGCC2_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
#endif
#ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
#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
these compiler-generated calls also expect any return values to have
very specific modes (rather than very specific types). Thus, we need
to avoid using regular C language type names in this part of the file
because the sizes for those types can be configured to be anything.
Instead we use the following special type names. */
typedef int QItype __attribute__ ((mode (QI)));
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 */
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 */
typedef int DItype __attribute__ ((mode (DI)));
typedef unsigned int UDItype __attribute__ ((mode (DI)));
#endif
#endif
#if BITS_PER_UNIT == 8
typedef float SFtype __attribute__ ((mode (SF)));
typedef float DFtype __attribute__ ((mode (DF)));
#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
typedef float XFtype __attribute__ ((mode (XF)));
#endif
#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128
typedef float TFtype __attribute__ ((mode (TF)));
#endif
#else /* BITS_PER_UNIT != 8 */
/* On dsp's there are usually qf/hf/tqf modes used instead of the above.
For now we don't support them in libgcc2.c. */
#undef L_fixdfdi
#undef L_fixsfdi
#undef L_fixtfdi
#undef L_fixunsdfdi
#undef L_fixunsdfsi
#undef L_fixunssfdi
#undef L_fixunssfsi
#undef L_fixunstfdi
#undef L_fixunsxfdi
#undef L_fixunsxfsi
#undef L_fixxfdi
#undef L_floatdidf
#undef L_floatdisf
#undef L_floatditf
#undef L_floatdixf
#endif /* BITS_PER_UNIT != 8 */
typedef int word_type __attribute__ ((mode (__word__)));
/* Make sure that we don't accidentally use any normal C language built-in
type names in the first part of this file. Instead we want to use *only*
the type names defined above. The following macro definitions insure
that if we *do* accidentally use some normal C language built-in type name,
we will get a syntax error. */
#define char bogus_type
#define short bogus_type
#define int bogus_type
#define long bogus_type
#define unsigned bogus_type
#define float bogus_type
#define double bogus_type
#if UNITS_PER_WORD > 2
#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
#define Wtype SItype
#define UWtype USItype
#define HWtype SItype
#define UHWtype USItype
#define DWtype DItype
#define UDWtype UDItype
#define __NW(a,b) __ ## a ## si ## b
#define __NDW(a,b) __ ## a ## di ## b
#elif UNITS_PER_WORD > 1
#define W_TYPE_SIZE (2 * BITS_PER_UNIT)
#define Wtype HItype
#define UWtype UHItype
#define HWtype HItype
#define UHWtype UHItype
#define DWtype SItype
#define UDWtype USItype
#define __NW(a,b) __ ## a ## hi ## b
#define __NDW(a,b) __ ## a ## si ## b
#else
#define W_TYPE_SIZE BITS_PER_UNIT
#define Wtype QItype
#define UWtype UQItype
#define HWtype QItype
#define UHWtype UQItype
#define DWtype HItype
#define UDWtype UHItype
#define __NW(a,b) __ ## a ## qi ## b
#define __NDW(a,b) __ ## a ## hi ## b
#endif
#define __muldi3 __NDW(mul,3)
#define __divdi3 __NDW(div,3)
#define __udivdi3 __NDW(udiv,3)
#define __moddi3 __NDW(mod,3)
#define __umoddi3 __NDW(umod,3)
#define __negdi2 __NDW(neg,2)
#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 __fixtfdi __NDW(fixtf,)
#define __fixunsxfdi __NDW(fixunsxf,)
#define __fixxfdi __NDW(fixxf,)
#define __fixunsdfdi __NDW(fixunsdf,)
#define __fixdfdi __NDW(fixdf,)
#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 */
#include "libgcc2.h"
#if defined (L_negdi2) || defined (L_divdi3) || defined (L_moddi3)
#if defined (L_divdi3) || defined (L_moddi3)
......@@ -871,8 +696,6 @@ __fixunstfdi (TFtype a)
#endif
#if defined(L_fixtfdi) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128)
extern DWtype __fixunstfdi (TFtype a);
DWtype
__fixtfdi (TFtype a)
{
......@@ -915,8 +738,6 @@ __fixunsxfdi (XFtype a)
#endif
#if defined(L_fixxfdi) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96)
extern DWtype __fixunsxfdi (XFtype a);
DWtype
__fixxfdi (XFtype a)
{
......@@ -959,8 +780,6 @@ __fixunsdfdi (DFtype a)
#endif
#ifdef L_fixdfdi
extern DWtype __fixunsdfdi (DFtype a);
DWtype
__fixdfdi (DFtype a)
{
......@@ -1007,8 +826,6 @@ __fixunssfdi (SFtype original_a)
#endif
#ifdef L_fixsfdi
extern DWtype __fixunssfdi (SFtype a);
DWtype
__fixsfdi (SFtype a)
{
......@@ -1239,7 +1056,7 @@ __fixunssfsi (SFtype a)
positive if S1 is greater, 0 if S1 and S2 are equal. */
int
__gcc_bcmp (unsigned char *s1, unsigned char *s2, size_t size)
__gcc_bcmp (const unsigned char *s1, const unsigned char *s2, size_t size)
{
while (size > 0)
{
......@@ -1470,7 +1287,7 @@ asm ("___builtin_saveregs:");
asm (" .end __builtin_saveregs");
#else /* not __mips__, etc. */
void *
void * __attribute__ ((__noreturn__))
__builtin_saveregs (void)
{
abort ();
......@@ -1487,9 +1304,6 @@ __builtin_saveregs (void)
#undef NULL /* Avoid errors if stdio.h and our stddef.h mismatch. */
#include <stdio.h>
/* This is used by the `assert' macro. */
extern void __eprintf (const char *, const char *, unsigned int, const char *)
__attribute__ ((__noreturn__));
void
__eprintf (const char *string, const char *expression,
unsigned int line, const char *filename)
......@@ -3166,8 +2980,6 @@ atexit (func_ptr func)
/* Shared exception handling support routines. */
extern void __default_terminate (void) __attribute__ ((__noreturn__));
void
__default_terminate (void)
{
......@@ -3210,8 +3022,6 @@ __empty (void)
/* Allocate and return a new EH context structure. */
extern void __throw (void);
#if __GTHREADS
static void *
new_eh_context (void)
......@@ -3410,8 +3220,6 @@ __get_dynamic_handler_chain (void)
dynamic handler chain, and use longjmp to transfer back to the associated
handler. */
extern void __sjthrow (void) __attribute__ ((__noreturn__));
void
__sjthrow (void)
{
......@@ -3485,8 +3293,6 @@ __sjthrow (void)
then throw. This is used to skip the first handler, and transfer
control to the next handler in the dynamic handler stack. */
extern void __sjpopnthrow (void) __attribute__ ((__noreturn__));
void
__sjpopnthrow (void)
{
......@@ -4153,8 +3959,6 @@ label:
#define MESSAGE "pure virtual method called\n"
extern void __terminate (void) __attribute__ ((__noreturn__));
void
__pure_virtual (void)
{
......
gcc/libgcc2.h 0 → 100644
/* Header file for libgcc2.c. */
/* Copyright (C) 2000
Free Software Foundation, Inc.
This file is part of GNU CC.
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.
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.
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. */
/* As a special exception, if you link this library with other files,
some of which are compiled with GCC, to produce an executable,
this library does not by itself cause the resulting executable
to be covered by the GNU General Public License.
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__
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 *);
/* Permit the tm.h file to select the endianness to use just for this
file. This is used when the endianness is determined when the
compiler is run. */
#ifndef LIBGCC2_WORDS_BIG_ENDIAN
#define LIBGCC2_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
#endif
#ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
#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
these compiler-generated calls also expect any return values to have
very specific modes (rather than very specific types). Thus, we need
to avoid using regular C language type names in this part of the file
because the sizes for those types can be configured to be anything.
Instead we use the following special type names. */
typedef int QItype __attribute__ ((mode (QI)));
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 */
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 */
typedef int DItype __attribute__ ((mode (DI)));
typedef unsigned int UDItype __attribute__ ((mode (DI)));
#endif
#endif
#if BITS_PER_UNIT == 8
typedef float SFtype __attribute__ ((mode (SF)));
typedef float DFtype __attribute__ ((mode (DF)));
#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
typedef float XFtype __attribute__ ((mode (XF)));
#endif
#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128
typedef float TFtype __attribute__ ((mode (TF)));
#endif
#else /* BITS_PER_UNIT != 8 */
/* On dsp's there are usually qf/hf/tqf modes used instead of the above.
For now we don't support them in libgcc2.c. */
#undef L_fixdfdi
#undef L_fixsfdi
#undef L_fixtfdi
#undef L_fixunsdfdi
#undef L_fixunsdfsi
#undef L_fixunssfdi
#undef L_fixunssfsi
#undef L_fixunstfdi
#undef L_fixunsxfdi
#undef L_fixunsxfsi
#undef L_fixxfdi
#undef L_floatdidf
#undef L_floatdisf
#undef L_floatditf
#undef L_floatdixf
#endif /* BITS_PER_UNIT != 8 */
typedef int word_type __attribute__ ((mode (__word__)));
/* Make sure that we don't accidentally use any normal C language built-in
type names in the first part of this file. Instead we want to use *only*
the type names defined above. The following macro definitions insure
that if we *do* accidentally use some normal C language built-in type name,
we will get a syntax error. */
#define char bogus_type
#define short bogus_type
#define int bogus_type
#define long bogus_type
#define unsigned bogus_type
#define float bogus_type
#define double bogus_type
#if UNITS_PER_WORD > 2
#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
#define Wtype SItype
#define UWtype USItype
#define HWtype SItype
#define UHWtype USItype
#define DWtype DItype
#define UDWtype UDItype
#define __NW(a,b) __ ## a ## si ## b
#define __NDW(a,b) __ ## a ## di ## b
#elif UNITS_PER_WORD > 1
#define W_TYPE_SIZE (2 * BITS_PER_UNIT)
#define Wtype HItype
#define UWtype UHItype
#define HWtype HItype
#define UHWtype UHItype
#define DWtype SItype
#define UDWtype USItype
#define __NW(a,b) __ ## a ## hi ## b
#define __NDW(a,b) __ ## a ## si ## b
#else
#define W_TYPE_SIZE BITS_PER_UNIT
#define Wtype QItype
#define UWtype UQItype
#define HWtype QItype
#define UHWtype UQItype
#define DWtype HItype
#define UDWtype UHItype
#define __NW(a,b) __ ## a ## qi ## b
#define __NDW(a,b) __ ## a ## hi ## b
#endif
#define __muldi3 __NDW(mul,3)
#define __divdi3 __NDW(div,3)
#define __udivdi3 __NDW(udiv,3)
#define __moddi3 __NDW(mod,3)
#define __umoddi3 __NDW(umod,3)
#define __negdi2 __NDW(neg,2)
#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 __fixtfdi __NDW(fixtf,)
#define __fixunsxfdi __NDW(fixunsxf,)
#define __fixxfdi __NDW(fixxf,)
#define __fixunsdfdi __NDW(fixunsdf,)
#define __fixdfdi __NDW(fixdf,)
#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 */
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 UDWtype __udivmoddi4 (UDWtype, UDWtype, UDWtype *);
#endif
/* __negdi2 is static inline when building other libgcc2 portions. */
#if !defined(L_divdi3) && !defined(L_moddi3)
extern DWtype __negdi2 (DWtype);
#endif
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) && \
!defined(L_umoddi3) && !defined(L_moddi3))
extern UWtype __udiv_w_sdiv (UWtype *, UWtype, UWtype, UWtype);
#endif
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 DWtype __fixdfdi (DFtype);
extern DWtype __fixunssfdi (SFtype);
extern DWtype __fixsfdi (SFtype);
#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
extern DWtype __fixxfdi (XFtype);
extern DWtype __fixunsxfdi (XFtype);
extern XFtype __floatdixf (DWtype);
extern UWtype __fixunsxfsi (XFtype);
#endif
#if LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128
extern DWtype __fixunstfdi (TFtype);
extern DWtype __fixtfdi (TFtype);
extern TFtype __floatditf (DWtype);
#endif
#endif /* __LIBGCC2_H__ */
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