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t-vms (EXTRA_PARTS): Append $(VMS_EXTRA_PARTS) Add rules for building [vp]crt0.o

* config/alpha/t-vms (EXTRA_PARTS): Append $(VMS_EXTRA_PARTS)
	Add rules for building [vp]crt0.o
	* config/alpha/vms.h (START_FILE_SPEC): Define.
	* config/alpha/x-vms (VMS_EXTRA_PARTS): Define
	* config/alpha/vms-crt0.c, config/alpha/vms-psxcrt0.c: New files.
	* doc/invoke.texi: Document special Alpha/VMS options.

From-SVN: r47831
This commit is contained in:
Douglas B Rupp 2001-12-09 22:07:23 -05:00 committed by Richard Kenner
parent 6d08665a30
commit d7c23cdcce
7 changed files with 216 additions and 2 deletions

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@ -1,3 +1,12 @@
Sun Dec 9 21:57:24 2001 Douglas B. Rupp <rupp@gnat.com>
* config/alpha/t-vms (EXTRA_PARTS): Append $(VMS_EXTRA_PARTS)
Add rules for building [vp]crt0.o
* config/alpha/vms.h (START_FILE_SPEC): Define.
* config/alpha/x-vms (VMS_EXTRA_PARTS): Define
* config/alpha/vms-crt0.c, config/alpha/vms-psxcrt0.c: New files.
* doc/invoke.texi: Document special Alpha/VMS options.
Sun Dec 9 20:25:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* hwint.h (HOST_BITS_PER_LONGLONG): Deal with __int64 type.

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@ -1,7 +1,19 @@
LIB2FUNCS_EXTRA = $(srcdir)/config/alpha/vms_tramp.asm
EXTRA_PARTS = vms-dwarf2.o
# This object must be linked in in order to make the executable debuggable.
# VMS_EXTRA_PARTS is defined in x-vms and represent object files that
# are only needed for VMS targets, but can only be compiled on a VMS host
# (because they need DEC C).
EXTRA_PARTS = vms-dwarf2.o $(VMS_EXTRA_PARTS)
# This object must be linked with in order to make the executable debuggable.
# vms-ld handles it automatically when passed -g.
vms-dwarf2.o : $(srcdir)/config/alpha/vms-dwarf2.asm
gcc -c -x assembler $<
# Assemble startup files.
vcrt0.o: $(CRT0_S) $(GCC_PASSES)
decc -c /names=as_is $(srcdir)/config/alpha/vms-crt0.c -o vcrt0.o
pcrt0.o: $(CRT0_S) $(GCC_PASSES)
decc -c /names=as_is $(srcdir)/config/alpha/vms-psxcrt0.c -o pcrt0.o

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@ -0,0 +1,71 @@
/* VMS crt0 returning VMS style condition codes .
Copyright (C) 2001 Free Software Foundation, Inc.
Contributed by Douglas B. Rupp (rupp@gnat.com).
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.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combine
executable.)
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. */
#if !defined(__DECC)
You Lose! This file can only be compiled with DEC C.
#else
/* This file can only be compiled with DEC C, due the the call to
lib$establish. */
#include <stdlib.h>
#include <string.h>
#include <ssdef.h>
extern void decc$main ();
extern int main ();
static int
handler (sigargs, mechargs)
void *sigargs;
void *mechargs;
{
return SS$_RESIGNAL;
}
int
__main (arg1, arg2, arg3, image_file_desc, arg5, arg6)
void *arg1, *arg2, *arg3;
void *image_file_desc;
void *arg5, *arg6;
{
int argc;
char **argv;
char **envp;
lib$establish (handler);
decc$main(arg1, arg2, arg3, image_file_desc, arg5, arg6,
&argc, &argv, &envp);
return main (argc, argv, envp);
}
#endif

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@ -0,0 +1,99 @@
/* VMS crt0 returning Unix style condition codes .
Copyright (C) 2001 Free Software Foundation, Inc.
Contributed by Douglas B. Rupp (rupp@gnat.com).
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.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combine
executable.)
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. */
#if !defined(__DECC)
You Lose! This file can only be compiled with DEC C.
#else
/* This file can only be compiled with DEC C, due the the call to
lib$establish. */
#include <stdlib.h>
#include <string.h>
#include <ssdef.h>
#include <stsdef.h>
#include <errnodef.h>
extern void decc$main ();
extern int main ();
static int
handler (sigargs, mechargs)
void *sigargs;
void *mechargs;
{
return SS$_RESIGNAL;
}
int
__main (arg1, arg2, arg3, image_file_desc, arg5, arg6)
void *arg1, *arg2, *arg3;
void *image_file_desc;
void *arg5, *arg6;
{
int argc;
char **argv;
char **envp;
int status;
lib$establish (handler);
decc$main (arg1, arg2, arg3, image_file_desc, arg5, arg6,
&argc, &argv, &envp);
status = main (argc, argv, envp);
/* Map into a range of 0 - 255. */
status = status & 255;
if (status > 0)
{
int save_status = status;
status = C$_EXIT1 + ((status - 1) << STS$V_MSG_NO);
/* An exit failure status requires a "severe" error
All status values are defined in errno with a successful
(1) severity but can be changed to an error (2) severity by adding 1.
In addition for compatibility with UNIX exit() routines we inhibit
a run-time error message from being generated on exit(1). */
if (save_status == 1)
{
status++;
status |= STS$M_INHIB_MSG;
}
}
if (status == 0)
status = SS$_NORMAL;
return status;
}
#endif

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@ -450,6 +450,8 @@ do { \
%{g2:-g2 vms-dwarf2.o%s} %{g3:-g3 vms-dwarf2.o%s} %{shared} %{v} %{map}"
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "%{!shared:%{mvms-return-codes:vcrt0.o%s} \
%{!mvms-return-codes:pcrt0.o%s}}"
/* Define the names of the division and modulus functions. */
#define DIVSI3_LIBCALL "OTS$DIV_I"

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@ -9,3 +9,7 @@ decc.exe : vms-cc.o
$(CC) -o $@ vms-cc.o ../libiberty/libiberty.a
EXTRA_PROGRAMS=ld.exe decc.exe
# These extra parts can only be compiled on a VMS host and are only needed
# on a VMS target.
VMS_EXTRA_PARTS=vcrt0.o pcrt0.o

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@ -520,6 +520,10 @@ in the following sections.
-mbwx -mno-bwx -mcix -mno-cix -mmax -mno-max @gol
-mmemory-latency=@var{time}}
@emph{DEC Alpha/VMS Options}
@gccoptlist{
-mvms-return-codes}
@emph{Clipper Options}
@gccoptlist{
-mc300 -mc400}
@ -5070,6 +5074,7 @@ that macro, which enables you to change the defaults.
* HPPA Options::
* Intel 960 Options::
* DEC Alpha Options::
* DEC Alpha/VMS Options::
* Clipper Options::
* H8/300 Options::
* SH Options::
@ -8562,6 +8567,18 @@ Note that L3 is only valid for EV5.
@end table
@end table
@node DEC Alpha/VMS Options
@subsection DEC Alpha/VMS Options
These @samp{-m} options are defined for the DEC Alpha/VMS implementations:
@table @gcctabopt
@item -mvms-return-codes
@opindex mvms-return-codes
Return VMS condition codes from main. The default is to return POSIX
style condition (e.g. error) codes.
@end table
@node Clipper Options
@subsection Clipper Options