Thu Aug 8 12:32:56 1996 Klaus Kaempf <kkaempf@progis.de>

Add support for openVMS/Alpha. * as.h (PRINTF_LIKE): Don't define if VMS, for now. * config/obj-evax.c: New file. * config/obj-evax.h: New file. * config/tc-alpha.c: Add support for EVAX format if OBJ_EVAX is defined. * config/tc-alpha.h: Add support for EVAX format if OBJ_EVAX is defined. Add case for bfd_target_evax_flavour. * config/vms-a-conf.h: New file. * conf-a-gas.com: New file. * configure.in: Add target alpha-*-*vms*. * configure: Rebuild. * makefile.vms: New file. * read.c (s_lcomm): Align bss_seg on 8 byte boundary if OBJ_EVAX. Don't call ffs on openVMS/Alpha.
30 years ago · f649d525ed
8 changed files with 531 additions and 0 deletions
--- a/gas/.Sanitize
+++ b/gas/.Sanitize
@ -43,6 +43,7 @@ bignum-copy.c
 bignum.h
 bit_fix.h
 cond.c
+conf-a-gas.com
 conf.in
 config
 config-gas.com
@ -77,6 +78,7 @@ literal.c
 mac-as.r
 macro.c
 macro.h
+makefile.vms
 messages.c
 mpw-config.in
 mpw-make.sed
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@ -1,3 +1,21 @@
+Thu Aug  8 12:32:56 1996  Klaus Kaempf  <kkaempf@progis.de>
+
+	Add support for openVMS/Alpha.
+	* as.h (PRINTF_LIKE): Don't define if VMS, for now.
+	* config/obj-evax.c: New file.
+	* config/obj-evax.h: New file.
+	* config/tc-alpha.c: Add support for EVAX format if OBJ_EVAX is
+	defined.
+	* config/tc-alpha.h: Add support for EVAX format if OBJ_EVAX is
+	defined.  Add case for bfd_target_evax_flavour.
+	* config/vms-a-conf.h: New file.
+	* conf-a-gas.com: New file.
+	* configure.in: Add target alpha-*-*vms*.
+	* configure: Rebuild.
+	* makefile.vms: New file.
+	* read.c (s_lcomm): Align bss_seg on 8 byte boundary if OBJ_EVAX.
+	Don't call ffs on openVMS/Alpha.
+
 Wed Aug  7 14:19:03 1996  Philippe De Muyter  <phdm@info.ucl.ac.be>

 	* configure.in: Make GAS_CHECK_DECL_NEEDED include <string.h> or
--- a/gas/conf-a-gas.com
+++ b/gas/conf-a-gas.com
@ -0,0 +1,168 @@
+$!
+$! This file sets things up to build gas on a openVMS/Alpha system to generate
+$! object files for a openVMS/Alpha system.
+$! We do not use the configure script, since there is no /bin/sh to execute it.
+$!
+$! If you are running this file, then obviously the host is alpha-dec-vms.
+$!
+$gas_host="vms"
+$!
+$cpu_type="alpha"
+$emulation="generic"
+$obj_format="evax"
+$atof="ieee"
+$!
+$	DELETE	= "delete/noConfirm"
+$	ECHO	= "write sys$output"
+$!
+$! Target specific information
+$call link targ-cpu.c	[.config]tc-'cpu_type'.c
+$call link targ-cpu.h	[.config]tc-'cpu_type'.h
+$call link targ-env.h	[.config]te-'emulation'.h
+$!
+$! Code to handle the object file format.
+$call link obj-format.h	[.config]obj-'obj_format'.h
+$call link obj-format.c	[.config]obj-'obj_format'.c
+$!
+$! Code to handle floating point.
+$call link atof-targ.c	[.config]atof-'atof'.c
+$!
+$!
+$! Create the file version.opt, which helps identify the executable.
+$!
+$if f$trnlnm("IFILE$").nes."" then  close/noLog ifile$
+$search Makefile.in "VERSION="/Exact/Output=config-gas-tmp.tmp
+$open ifile$ config-gas-tmp.tmp
+$read ifile$ line
+$close ifile$
+$DELETE config-gas-tmp.tmp;*
+$! Discard "VERSION=" and "\n" parts.
+$ijk=f$locate("=",line)+1
+$line=f$extract(ijk,f$length(line)-ijk,line)
+$! [what "\n" part??  this seems to be useless, but is benign]
+$ijk=f$locate("\n",line)
+$line=f$extract(0,ijk,line)
+$!
+$ if f$search("version.opt").nes."" then DELETE version.opt;*
+$copy _NL: version.opt
+$open/Append ifile$ version.opt
+$write ifile$ "identification="+""""+line+""""
+$close ifile$
+$!
+$! Now write config.h.
+$!
+$ if f$search("config.h").nes."" then DELETE config.h;*
+$copy _NL: config.h
+$open/Append ifile$ config.h
+$write ifile$ "/* config.h.  Generated by config-gas.com. */
+$write ifile$ "#ifndef GAS_VERSION"
+$write ifile$ "#define GAS_VERSION      """,line,""""
+$write ifile$ "#endif"
+$write ifile$ "/*--*/"
+$append [.config]vms-a-conf.h ifile$:
+$close ifile$
+$ECHO "Created config.h."
+$!
+$! Check for, and possibly make, header file <unistd.h>.
+$!
+$ if f$search("tmp-chk-h.*").nes."" then  DELETE tmp-chk-h.*;*
+$!can't use simple `#include HDR' with `gcc /Define="HDR=<foo.h>"'
+$!because the 2.6.[0-3] preprocessor handles it wrong (VMS-specific gcc bug)
+$ create tmp-chk-h.c
+int tmp_chk_h;	/* guarantee non-empty output */
+#ifdef HAVE_STDIO_H
+#include <stdio.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_UNIXIO_H
+#include <unixio.h>
+#endif
+#ifdef HAVE_UNIXLIB_H
+#include <unixlib.h>
+#endif
+$ on warning then  continue
+$ CHECK = "call tmp_chk_h"
+$ CHECK "HAVE_STDIO_H"
+$ if .not.$status
+$ then	type sys$input:
+
+? could not compile <stdio.h>.
+  Since gcc is not set up correctly, gas configuration cannot proceed.
+
+$	DELETE tmp-chk-h.c;*
+$	exit %x002C
+$ endif
+$!
+$ CHECK "HAVE_UNISTD_H"
+$ if .not.$status
+$ then
+$  if f$trnlnm("HFILE$").nes."" then  close/noLog hfile$
+$  CHECK "HAVE_UNIXIO_H"
+$  got_unixio = ($status .and. 1)
+$  CHECK "HAVE_UNIXLIB_H"
+$  got_unixlib = ($status .and. 1)
+$  create []unistd.h	!with rudimentary contents
+/* <unistd.h> substitute for building gas */
+#ifndef UNISTD_H
+#define UNISTD_H
+
+$  open/Append hfile$ []unistd.h
+$  if got_unixio
+$  then  write hfile$ "#include <unixio.h>"
+$  else  append sys$input: hfile$:
+/* some of the routines normally prototyped in <unixio.h> */
+extern int creat(), open(), close(), read(), write();
+extern int access(), dup(), dup2(), fstat(), stat();
+extern long lseek();
+$  endif
+$  write hfile$ ""
+$  if got_unixlib
+$  then  write hfile$ "#include <unixlib.h>"
+$  else  append sys$input: hfile$:
+/* some of the routines normally prototyped in <unixlib.h> */
+extern char *sbrk(), *getcwd(), *cuserid();
+extern int brk(), chdir(), chmod(), chown(), mkdir();
+extern unsigned getuid(), umask();
+$  endif
+$  append sys$input: hfile$:
+
+#endif /*UNISTD_H*/
+$  close hfile$
+$  ECHO "Created ""[]unistd.h""."
+$ endif !gcc '#include <unistd.h>' failed
+$ DELETE tmp-chk-h.c;*
+$
+$tmp_chk_h: subroutine
+$  set noOn
+$  hname = f$edit("<" + (p1 - "HAVE_" - "_H") + ".h>","LOWERCASE")
+$  write sys$output "Checking for ''hname'."
+$  if f$search("tmp-chk-h.obj").nes."" then  DELETE tmp-chk-h.obj;*
+$  define/noLog sys$error _NL:	!can't use /User_Mode here due to gcc
+$  define/noLog sys$output _NL:	! driver's use of multiple image activation
+$  gcc /Include=([],[-.include]) /Define=("''p1'") tmp-chk-h.c
+$!can't just check $status; gcc 2.6.[0-3] preprocessor doesn't set it correctly
+$  ok = (($status.and.1).and.(f$search("tmp-chk-h.obj").nes."")) .or. %x10000000
+$  deassign sys$error	!restore, more or less
+$  deassign sys$output
+$  if ok then  DELETE tmp-chk-h.obj;*
+$  exit ok
+$ endsubroutine !tmp_chk_h
+$
+$!
+$! Done
+$!
+$ if f$search("config.status") .nes. "" then DELETE config.status;*
+$ create config.status
+Links are now set up for use with an Alpha running openVMS.
+$ type config.status
+$exit
+$!
+$!
+$link:
+$subroutine
+$  if f$search(p1).nes."" then DELETE 'p1';*
+$  copy 'p2' 'p1'
+$  ECHO "Copied ''f$edit(p2,"LOWERCASE")' to ''f$edit(p1,"LOWERCASE")'."
+$endsubroutine
--- a/gas/config/.Sanitize
+++ b/gas/config/.Sanitize
@ -66,6 +66,8 @@ obj-ecoff.c
 obj-ecoff.h
 obj-elf.c
 obj-elf.h
+obj-evax.c
+obj-evax.h
 obj-generic.c
 obj-generic.h
 obj-hp300.c
@ -153,6 +155,7 @@ te-sun3.h
 te-sysv32.h
 vax-inst.h
 vms-conf.h
+vms-a-conf.h

 Things-to-lose:

--- a/gas/config/obj-evax.c
+++ b/gas/config/obj-evax.c
@ -0,0 +1,42 @@
+/* obj-evax.c - EVAX (openVMS/Alpha) object file format.
+   Copyright (C) 1996 Free Software Foundation, Inc.
+   Contributed by Klaus Kämpf (kkaempf@progis.de) of
+     proGIS Software, Aachen, Germany.
+
+   This file is part of GAS, the GNU Assembler
+
+   GAS 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.
+
+   GAS 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 GAS; see the file COPYING.  If not, write to
+   the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA.  */
+
+#define OBJ_HEADER "obj-evax.h"
+
+#include "as.h"
+
+void obj_read_begin_hook () {}
+
+const pseudo_typeS obj_pseudo_table[] =
+{
+  {0, 0, 0},
+};				/* obj_pseudo_table */
+
+
+/*
+ * Local Variables:
+ * comment-column: 0
+ * fill-column: 131
+ * End:
+ */
+
+/* end of obj-evax.c */
--- a/gas/config/obj-evax.h
+++ b/gas/config/obj-evax.h
@ -0,0 +1,115 @@
+/* This file is obj-evax.h
+   Copyright (C) 1996 Free Software Foundation, Inc.
+   Contributed by Klaus Kämpf (kkaempf@progis.de) of
+     proGIS Software, Aachen, Germany.
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS 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.
+
+   GAS 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 GAS; see the file COPYING.  If not, write to
+   the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA.  */
+
+/*
+ * This file is obj-evax.h and is intended to be a template for
+ * object format specific header files.
+ */
+
+/* define an obj specific macro off which target cpu back ends may key. */
+#define OBJ_EVAX 1
+
+/* include whatever target cpu is appropriate. */
+#include "targ-cpu.h"
+
+#ifdef BFD_ASSEMBLER
+#define OUTPUT_FLAVOR bfd_target_evax_flavour
+#endif
+
+/*
+ * SYMBOLS
+ */
+
+/*
+ * If your object format needs to reorder symbols, define this.  When
+ * defined, symbols are kept on a doubly linked list and functions are
+ * made available for push, insert, append, and delete.  If not defined,
+ * symbols are kept on a singly linked list, only the append and clear
+ * facilities are available, and they are macros.
+ */
+
+/* #define SYMBOLS_NEED_PACKPOINTERS */
+
+/*  */
+typedef struct
+  {
+    void *nothing;
+  }
+obj_symbol_type;		/* should be the format's symbol structure */
+
+typedef void *object_headers;
+
+#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (0)	/* your magic number */
+
+#define OBJ_EMIT_LINENO(a,b,c)	/* must be *something*.  This no-op's it out. */
+
+#define obj_symbol_new_hook(s)        {;}
+
+#define S_SET_OTHER(S,V)
+#define S_SET_TYPE(S,T)
+#define S_SET_DESC(S,D)
+#define S_GET_OTHER(S)	0
+#define S_GET_TYPE(S)	0
+#define S_GET_DESC(S)	0
+
+#undef AXP_REG_GP
+#define AXP_REG_GP AXP_REG_PV
+
+#define PDSC_S_K_KIND_FP_STACK 9
+#define PDSC_S_K_KIND_FP_REGISTER 10
+#define PDSC_S_K_KIND_NULL 8
+
+#define PDSC_S_K_MIN_STACK_SIZE 32
+#define PDSC_S_K_MIN_REGISTER_SIZE 24
+#define PDSC_S_K_NULL_SIZE 16
+
+#define PDSC_S_M_BASE_REG_IS_FP 0x80	/* low byte */
+#define PDSC_S_M_NATIVE 0x10		/* high byte */
+#define PDSC_S_M_NO_JACKET 0x20		/* high byte */
+
+#define LKP_S_K_SIZE 16
+
+struct evaxProc {
+  symbolS *symbol;	/* proc pdesc symbol */
+  int pdsckind;
+  int framereg;		/* register for frame pointer */
+  int framesize;	/* size of frame */
+  int rsa_offset;
+  int ra_save;
+  int fp_save;
+  long imask;
+  long fmask;
+  int type;
+  int prologue;
+};
+
+typedef struct evaxProc evaxProcT;
+typedef struct evaxProc *evaxProcP;
+
+/*
+ * Local Variables:
+ * comment-column: 0
+ * fill-column: 131
+ * End:
+ */
+
+/* end of obj-evax.h */
--- a/gas/config/vms-a-conf.h
+++ b/gas/config/vms-a-conf.h
@ -0,0 +1,129 @@
+/* vms-alpha-conf.h.  Generated manually from conf.in,
+   and used by config-gas-alpha.com when constructing config.h.  */
+
+/* Define if using alloca.c.  */
+#ifdef __GNUC__
+#undef C_ALLOCA
+#else
+#define C_ALLOCA
+#endif
+
+/* Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP systems.
+   This function is required for alloca.c support on those systems.  */
+#undef CRAY_STACKSEG_END
+
+/* Define if you have <alloca.h> and it should be used (not on Ultrix).  */
+#undef HAVE_ALLOCA_H
+
+/* Define as __inline if that's what the C compiler calls it.  */
+#ifdef __GNUC__
+#undef inline
+#else
+#define inline
+#endif
+
+/* If using the C implementation of alloca, define if you know the
+   direction of stack growth for your system; otherwise it will be
+   automatically deduced at run-time.
+	STACK_DIRECTION > 0 => grows toward higher addresses
+	STACK_DIRECTION < 0 => grows toward lower addresses
+	STACK_DIRECTION = 0 => direction of growth unknown
+ */
+#define STACK_DIRECTION (-1)
+
+/* Should gas use high-level BFD interfaces?  */
+#define BFD_ASSEMBLER
+
+/* Some assert/preprocessor combinations are incapable of handling
+   certain kinds of constructs in the argument of assert.  For example,
+   quoted strings (if requoting isn't done right) or newlines.  */
+#ifdef __GNUC__
+#undef BROKEN_ASSERT
+#else
+#define BROKEN_ASSERT
+#endif
+
+/* If we aren't doing cross-assembling, some operations can be optimized,
+   since byte orders and value sizes don't need to be adjusted.  */
+#undef CROSS_COMPILE
+
+/* Some gas code wants to know these parameters.  */
+#define TARGET_ALIAS	"alpha-vms"
+#define TARGET_CPU	"alpha"
+#define TARGET_CANONICAL	"alpha-dec-vms"
+#define TARGET_OS	"openVMS/Alpha"
+#define TARGET_VENDOR	"dec"
+
+/* Sometimes the system header files don't declare malloc and realloc.  */
+#undef NEED_DECLARATION_MALLOC
+
+/* Sometimes the system header files don't declare free.  */
+#undef NEED_DECLARATION_FREE
+
+/* Sometimes errno.h doesn't declare errno itself.  */
+#undef NEED_DECLARATION_ERRNO
+
+#undef MANY_SEGMENTS
+
+/* Needed only for sparc configuration */
+#undef sparcv9
+
+/* Define if you have the remove function.  */
+#define HAVE_REMOVE
+
+/* Define if you have the unlink function.  */
+#undef HAVE_UNLINK
+
+/* Define if you have the <errno.h> header file.  */
+#define HAVE_ERRNO_H
+
+/* Define if you have the <memory.h> header file.  */
+#undef HAVE_MEMORY_H
+
+/* Define if you have the <stdarg.h> header file.  */
+#define HAVE_STDARG_H
+
+/* Define if you have the <stdlib.h> header file.  */
+#define HAVE_STDLIB_H
+
+/* Define if you have the <string.h> header file.  */
+#define HAVE_STRING_H
+
+/* Define if you have the <strings.h> header file.  */
+#undef HAVE_STRINGS_H
+
+/* Define if you have the <sys/types.h> header file.  */
+#ifdef __GNUC__
+#define HAVE_SYS_TYPES_H
+#else
+#undef HAVE_SYS_TYPES_H
+#endif
+
+/* Define if you have the <unistd.h> header file.  */
+#define HAVE_UNISTD_H	/* config-gas.com will make one if necessary */
+
+/* Define if you have the <varargs.h> header file.  */
+#undef HAVE_VARARGS_H
+
+/* VMS-specific:  we need to set up EXIT_xxx here because the default
+   values in as.h are inappropriate for VMS, but we also want to prevent
+   as.h's inclusion of <stdlib.h> from triggering redefinition warnings.
+   <stdlib.h> guards itself against multiple inclusion, so including it
+   here turns as.h's later #include into a no-op.  (We can't simply use
+   #ifndef HAVE_STDLIB_H here, because the <stdlib.h> in several older
+   gcc-vms distributions neglects to define these two required macros.)  */
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#if __DECC
+#undef EXIT_SUCCESS
+#undef EXIT_FAILURE
+#define EXIT_SUCCESS 1			/* SS$_NORMAL, STS$K_SUCCESS */
+#define EXIT_FAILURE 0x10000002		/* (STS$K_ERROR | STS$M_INHIB_MSG) */
+#endif
+
+#include <unixlib.h>
+#if __DECC
+extern int strcasecmp ();
+extern int strncasecmp ();
+#endif
--- a/gas/makefile.vms
+++ b/gas/makefile.vms
@ -0,0 +1,54 @@
+#
+# makefile for gas
+#
+# Created by Klaus Kämpf, kkaempf@progis.de
+#
+
+CC=gcc
+
+ifeq ($(CC),gcc)
+DEFS=
+CFLAGS=/include=([],[-.bfd],[.config],[-.include],[-])$(DEFS)
+LFLAGS=
+LIBS=,GNU_CC:[000000]LIBGCC2/lib,GNU_CC:[000000]LIBGCCLIB/lib,\
+	sys$$library:vaxcrtl.olb/lib,GNU_CC:[000000]crt0.obj
+else
+DEFS=/define=("table_size_of_flonum_powers_of_ten"="tabsiz_flonum_powers_of_ten",\
+"_bfd_generic_get_section_contents_in_window"="_bfd_generic_get_win_section_cont",\
+"_elf_section_from_bfd_section"="_bfd_elf_sec_from_bfd_sec","const=")
+CFLAGS=/noopt/debug/include=([],[-.bfd],[.config],[-.include],[-])$(DEFS)
+LFLAGS=
+LIBS=
+endif
+
+OBJS=targ-cpu.obj,obj-format.obj,atof-targ.obj,app.obj,as.obj,atof-generic.obj,\
+  bignum-copy.obj,cond.obj,expr.obj,flonum-konst.obj,flonum-copy.obj,\
+  flonum-mult.obj,frags.obj,hash.obj,input-file.obj,input-scrub.obj,\
+  literal.obj,messages.obj,output-file.obj,read.obj,subsegs.obj,symbols.obj,\
+  write.obj,listing.obj,ecoff.obj,stabs.obj,sb.obj,macro.obj
+
+LIBIBERTY = [-.libiberty]libiberty.olb
+LIBBFD = [-.bfd]libbfd.olb
+LIBOPCODES = [-.opcodes]libopcodes.olb
+
+
+as.exe: $(OBJS) $(LIBOPCODES) $(LIBBFD) $(LIBIBERTY)
+	link$(LFLAGS)/exe=$@ $(OBJS),$(LIBOPCODES)/lib,$(LIBBFD)/lib,$(LIBIBERTY)/lib$(LIBS)
+
+gasp.exe: gasp.obj $(LIBBFD) $(LIBIBERTY)
+	link$(LFLAGS)/exe=$@ gasp.obj,$(LIBBFD)/lib,$(LIBIBERTY)/lib$(LIBS)
+
+targ-cpu.c: [.config]tc-alpha.c
+	copy $< $@
+targ-cpu.h: [.config]tc-alpha.h
+	copy $< $@
+targ-env.h: [.config]te-generic.h
+	copy $< $@
+obj-format.h: [.config]obj-evax.h
+	copy $< $@
+obj-format.c: [.config]obj-evax.c
+	copy $< $@
+atof-targ.c: [.config]atof-ieee.c
+	copy $< $@
+
+targ-cpu.obj: targ-cpu.c targ-cpu.h [.config]atof-vax.c