aboutsummaryrefslogtreecommitdiff
path: root/gdb/tm-68k-nofp.h
diff options
context:
space:
mode:
authorJohn Gilmore <gnu@cygnus>1993-03-14 10:58:48 +0000
committerJohn Gilmore <gnu@cygnus>1993-03-14 10:58:48 +0000
commit48a522d968f8e0cbf8302b0d069095d2796d8dcf (patch)
tree9c0bd4044cc4f9b5ae11a38f640e862e4fec7508 /gdb/tm-68k-nofp.h
parent84a05e5253714e3943cd86a48e2f57d05a984f1a (diff)
downloadgdb-48a522d968f8e0cbf8302b0d069095d2796d8dcf.zip
gdb-48a522d968f8e0cbf8302b0d069095d2796d8dcf.tar.gz
gdb-48a522d968f8e0cbf8302b0d069095d2796d8dcf.tar.bz2
* configure.in (m68k-adobe-*): New config.
* tm-68k-nofp.h: New file, lacks 68881 support. * config/m68k-nofp.mt: New file.
Diffstat (limited to 'gdb/tm-68k-nofp.h')
-rw-r--r--gdb/tm-68k-nofp.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/gdb/tm-68k-nofp.h b/gdb/tm-68k-nofp.h
new file mode 100644
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)