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riscv-gcc-1
Commit 37fe0bc5 by Roland McGrath
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From-SVN: r3664
parent 86d38d25
Showing with 249 additions and 0 deletions
gcc/config/i386/sco4dbx.h 0 → 100644
/* Definitions for Intel 386 running SCO Unix System V 3.2 Version 4.s,
using dbx-in-coff encapsulation.
Copyright (C) 1992 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Mostly it's like earlier SCO UNIX. */
#include "i386/scodbx.h"
/* Use crt1.o as a startup file and crtn.o as a closing file. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
"%{!r:%{!z:gcc.ifile%s}%{z:gccz.ifile%s}}\
%{scoxpg3:%{p:mcrt1X.o%s}%{!p:crt1X.o%s}} \
%{!scoxpg3:\
%{posix:%{p:mcrt1P.o%s}%{!p:crt1P.o%s}} \
%{!posix:\
%{ansi:%{p:mcrt1A.o%s}%{!p:crt1A.o%s}} \
%{!ansi:%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}}}}"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
"%{scoxpg3:crtnX.o%s} \
%{!scoxpg3:\
%{posix:crtnP.o%s} \
%{!posix:\
%{ansi:crtnA.o%s} \
%{!ansi:crtn.o%s}}}"
/* Library spec. */
#undef LIB_SPEC
#define LIB_SPEC \
"%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} \
%{scoxpg3:-lcX -lcP -lcA} \
%{!scoxpg3:\
%{posix:-lcP -lcA} \
%{!posix:\
%{ansi:-lcA} \
%{!ansi:%{scointl:-lintl} -lc}}}"
/* Macros, macros everywhere:
Specify predefined symbols in preprocessor. */
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Di386 -Dunix"
#undef CPP_SPEC
#define CPP_SPEC \
"-D_M_I386 -D_M_I86 -D_M_I86SM -D_M_SDATA -D_M_STEXT \
-D_M_UNIX -D_M_XENIX \
-D_M_SYS5 -D_M_SYSV -D_M_SYS3 -D_M_SYSIII \
-D_M_COFF -D_M_BITFIELDS -D_M_WORDSWAP \
%{scoxpg3:-D_XOPEN_SOURCE -D_STRICT_NAMES} \
%{!scoxpg3:%{posix:-D_POSIX_SOURCE -D_STRICT_NAMES}} \
%{!scoxpg3:%{!posix:\
%{ansi:-D_STRICT_NAMES}%{!ansi:\
-DM_I386 -DM_I86 -DM_I86SM -DM_SDATA -DM_STEXT \
-DM_UNIX -DM_XENIX \
-DM_SYS5 -DM_SYSV -DM_SYS3 -DM_SYSIII \
-DM_COFF -DM_BITFIELDS -DM_WORDSWAP \
%{scointl:-D_M_INTERNAT -DM_INTERNAT} \
%{traditional:-D_KR -D_SVID -D_NO_PROTOTYPE}}}}"
gcc/config/i386/svr3.ifile 0 → 100644
/*
* svr3.ifile - for collectless G++ on i386 System V.
* Leaves memory configured at address 0.
*
* Install this file as $prefix/gcc-lib/TARGET/VERSION/gcc.ifile
*
* BLOCK to an offset that leaves room for many headers ( the value
* here allows for a file header, an outheader, and up to 11 section
* headers on most systems.
* BIND to an address that includes page 0 in mapped memory. The value
* used for BLOCK should be or'd into this value. Here I'm setting BLOCK
* to 0x200 and BIND to ( value_used_for(BLOCK) )
* If you are using shared libraries, watch that you don't overlap the
* address ranges assigned for shared libs.
*
* GROUP BIND to a location in the next segment. Here, the only value
* that you should change (I think) is that within NEXT, which I've set
* to my hardware segment size. You can always use a larger size, but not
* a smaller one.
*/
SECTIONS
{
.text BIND(0x000200) BLOCK (0x200) :
{
/* plenty for room for headers */
*(.init)
*(.text)
vfork = fork; /* I got tired of editing peoples sloppy code */
*(.fini)
}
GROUP BIND( NEXT(0x400000) + (ADDR(.text) + (SIZEOF(.text)) % 0x1000)):
{
.data : {
__CTOR_LIST__ = . ;
. += 4 ; /* leading NULL */
*(.ctor)
. += 4 ; /* trailing NULL */
__DTOR_LIST__ = . ;
. += 4 ; /* leading NULL */
*(.dtor)
. += 4 ; /* trailing NULL */
}
.bss : { }
}
}
gcc/config/i386/svr3z.ifile 0 → 100644
/*
* svr3z.ifile - for collectless G++ on i386 System V.
* Leaves memory unconfigured at address 0.
*
* Install this file as $prefix/gcc-lib/TARGET/VERSION/gccz.ifile
*
* BLOCK to an offset that leaves room for many headers ( the value
* here allows for a file header, an outheader, and up to 11 section
* headers on most systems.
* BIND to an address that excludes page 0 from being mapped. The value
* used for BLOCK should be or'd into this value. Here I'm setting BLOCK
* to 0x200 and BIND to ( 0x400000 | value_used_for(BLOCK) )
* If you are using shared libraries, watch that you don't overlap the
* address ranges assigned for shared libs.
*
* GROUP BIND to a location in the next segment. Here, the only value
* that you should change (I think) is that within NEXT, which I've set
* to my hardware segment size. You can always use a larger size, but not
* a smaller one.
*/
SECTIONS
{
.text BIND(0x400200) BLOCK (0x200) :
{
/* plenty for room for headers */
*(.init)
*(.text)
vfork = fork; /* I got tired of editing peoples sloppy code */
*(.fini)
}
GROUP BIND( NEXT(0x400000) + (ADDR(.text) + (SIZEOF(.text)) % 0x1000)):
{
.data : {
__CTOR_LIST__ = . ;
. += 4 ; /* leading NULL */
*(.ctor)
. += 4 ; /* trailing NULL */
__DTOR_LIST__ = . ;
. += 4 ; /* leading NULL */
*(.dtor)
. += 4 ; /* trailing NULL */
}
.bss : { }
}
}
gcc/config/i386/v3gas.h 0 → 100644
/* Definitions for Intel 386 running system V, using gas.
Copyright (C) 1992 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "gas.h"
/* Add stuff that normally comes from i386v.h */
/* longjmp may fail to restore the registers if called from the same
function that called setjmp. To compensate, the compiler avoids
putting variables in registers in functions that use both setjmp
and longjmp. */
#define NON_SAVING_SETJMP \
(current_function_calls_setjmp && current_function_calls_longjmp)
/* longjmp may fail to restore the stack pointer if the saved frame
pointer is the same as the caller's frame pointer. Requiring a frame
pointer in any function that calls setjmp or longjmp avoids this
problem, unless setjmp and longjmp are called from the same function.
Since a frame pointer will be required in such a function, it is OK
that the stack pointer is not restored. */
#undef FRAME_POINTER_REQUIRED
#define FRAME_POINTER_REQUIRED \
(current_function_calls_setjmp || current_function_calls_longjmp)
/* Modify ASM_OUTPUT_LOCAL slightly to test -msvr3-shlib, adapted to gas */
#undef ASM_OUTPUT_LOCAL
#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
do { \
int align = exact_log2 (ROUNDED); \
if (align > 2) align = 2; \
if (TARGET_SVR3_SHLIB) \
{ \
data_section (); \
ASM_OUTPUT_ALIGN ((FILE), align == -1 ? 2 : align); \
ASM_OUTPUT_LABEL ((FILE), (NAME)); \
fprintf ((FILE), "\t.set .,.+%u\n", (ROUNDED)); \
} \
else \
{ \
fputs (".lcomm ", (FILE)); \
assemble_name ((FILE), (NAME)); \
fprintf ((FILE), ",%u\n", (ROUNDED)); \
} \
} while (0)
/* Add stuff that normally comes from i386v.h via svr3.h */
/* Define the actual types of some ANSI-mandated types. These
definitions should work for most SVR3 systems. */
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "int"
#undef WCHAR_TYPE
#define WCHAR_TYPE "long int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE BITS_PER_WORD
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