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Add rules and files for crt0.o on VMS
- From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- To: gcc-patches at gcc dot gnu dot org
- Date: Sun, 9 Dec 01 22:02:47 EST
- Subject: Add rules and files for crt0.o on VMS
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.
*** config/alpha/t-vms 2001/12/02 14:38:07 1.5
--- config/alpha/t-vms 2001/12/10 02:35:41
***************
*** 1,7 ****
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-ld handles it automatically when passed -g.
vms-dwarf2.o : $(srcdir)/config/alpha/vms-dwarf2.asm
gcc -c -x assembler $<
--- 1,19 ----
LIB2FUNCS_EXTRA = $(srcdir)/config/alpha/vms_tramp.asm
! # 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
+
*** config/alpha/vms.h 2001/12/09 21:47:49 1.46
--- config/alpha/vms.h 2001/12/10 02:35:43
*************** do { \
*** 451,454 ****
--- 451,456 ----
#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. */
*** config/alpha/x-vms 2001/11/25 11:30:17 1.1
--- config/alpha/x-vms 2001/12/10 02:35:43
*************** decc.exe : vms-cc.o
*** 10,11 ****
--- 10,15 ----
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
*** /dev/null Sun Dec 2 07:05:48 2001
--- config/alpha/vms-crt0.c Sun Dec 9 21:27:08 2001
***************
*** 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
*** /dev/null Sun Dec 2 07:05:48 2001
--- config/alpha/vms-psxcrt0.c Sun Dec 9 21:27:05 2001
***************
*** 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