* configure.in (m68k-adobe-*): New config.

* tm-68k-nofp.h:  New file, lacks 68881 support.
* config/m68k-nofp.mt:  New file.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index f112d00ebbf0a3e050997d29bef7cd86b1966b8d..4909ca329960bbd61a077e927ac9e3f6e2f69673 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+Sun Mar 14 02:54:15 1993  John Gilmore  (gnu@cygnus.com)
+
+       * configure.in (m68k-adobe-*):  New config.
+       * tm-68k-nofp.h:  New file, lacks 68881 support.
+       * config/m68k-nofp.mt:  New file.
+
 Sun Mar 14 02:30:08 1993  John Gilmore  (gnu@cygnus.com)
 
        Remove a few remaining underscore/no-underscore remnants from

diff --git a/gdb/config/m68k-nofp.mt b/gdb/config/m68k-nofp.mt
new file mode 100644 (file)
index 0000000..a2465bf
--- /dev/null
+++ b/gdb/config/m68k-nofp.mt
@@ -0,0 +1,3 @@
+# Target: Motorola 68xxx without floating point
+TDEPFILES= exec.o m68k-pinsn.o m68k-tdep.o
+TM_FILE= tm-68k-nofp.h

diff --git a/gdb/configure.in b/gdb/configure.in
index 0ced7b231f233524330bd633b0ab3eb9765e1861..790b7b7299d3e606346e7321e5f72f40e6d72448 100644 (file)
--- a/gdb/configure.in
+++ b/gdb/configure.in
@@ -151,6 +151,7 @@ m68*-cbm-sysv4*)    gdb_target=amix ;;
 m68*-hp-bsd)           gdb_target=hp300bsd ;;
 m68*-hp-hpux)          gdb_target=hp300hpux ;;
 
+m68*-adobe-*)          gdb_target=m68k-nofp ;;
 m68*-altos-*)          gdb_target=altos ;;
 m68*-att-*)            gdb_target=3b1 ;;
 m68*-ericsson-*)       gdb_target=es1800 ;;

diff --git a/gdb/tm-68k-nofp.h b/gdb/tm-68k-nofp.h
new file mode 100644 (file)
index 0000000..6d503a2
--- /dev/null
+++ b/gdb/tm-68k-nofp.h
@@ -0,0 +1,64 @@
+/* Target machine parameters for embedded m68k, without float, for GDB.
+   Copyright 1986, 1987, 1989, 1992, 1993 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program 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 of the License, or
+(at your option) any later version.
+
+This program 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 this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "tm-68k.h"
+
+/* Longjmp info comes from the Sun-3 machine description.  Might as well
+   guess... */
+
+/* Offsets (in target ints) into jmp_buf.  Not defined by Sun, but at least
+   documented in a comment in <machine/setjmp.h>! */
+
+#define JB_ELEMENT_SIZE 4
+
+#define JB_ONSSTACK 0
+#define JB_SIGMASK 1
+#define JB_SP 2
+#define JB_PC 3
+#define JB_PSL 4
+#define JB_D2 5
+#define JB_D3 6
+#define JB_D4 7
+#define JB_D5 8
+#define JB_D6 9
+#define JB_D7 10
+#define JB_A2 11
+#define JB_A3 12
+#define JB_A4 13
+#define JB_A5 14
+#define JB_A6 15
+
+/* Figure out where the longjmp will land.  Slurp the args out of the stack.
+   We expect the first arg to be a pointer to the jmp_buf structure from which
+   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
+   This routine returns true on success */
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
+
+/* Where is the PC after a call?  */
+
+#ifdef __STDC__
+struct frame_info;
+#endif
+
+extern CORE_ADDR m68k_saved_pc_after_call PARAMS ((struct frame_info *));
+
+#undef SAVED_PC_AFTER_CALL
+#define SAVED_PC_AFTER_CALL(frame) \
+  m68k_saved_pc_after_call(frame)