+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.
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 $(srcdir)/config/alpha/vms-psxcrt0.c -o pcrt0.o
+
--- /dev/null
+/* VMS crt0 returning VMS style condition codes .
+ Copyright (C) 2001 Free Software Foundation, Inc.
+ Contributed by Douglas B. Rupp (rupp@gnat.com).
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file. (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING. If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#if !defined(__DECC)
+You Lose! This file can only be compiled with DEC C.
+#else
+
+/* This file can only be compiled with DEC C, due the the call to
+ lib$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
+/* 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$_NORMAL;
+
+ return status;
+}
+#endif
%{g2:-g2 vms-dwarf2.o%s} %{g3:-g3 vms-dwarf2.o%s} %{shared} %{v} %{map}"
#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "%{!shared:%{mvms-return-codes:vcrt0.o%s} \
+%{!mvms-return-codes:pcrt0.o%s}}"
/* Define the names of the division and modulus functions. */
#define DIVSI3_LIBCALL "OTS$DIV_I"
$(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
-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}
* HPPA Options::
* Intel 960 Options::
* DEC Alpha Options::
+* DEC Alpha/VMS Options::
* Clipper Options::
* H8/300 Options::
* SH Options::
@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
projects / gcc.git / commitdiff