* config/{*.mt, *.mh}: All target and host makefile fragment

	config files moved to an appropriate config/<cpu> subdirectory.
	* nm-*, xm-*, tm-*:  All native, host, and target files, which
	get linked to nm.h, xm.h, and tm.h respectively by configure,
	moved to appropriate config/<cpu> subdirectory.

1 files changed, 69 insertions, 0 deletions

diff --git a/gdb/config/i386/tm-i386v4.h b/gdb/config/i386/tm-i386v4.h
new file mode 100644
index 0000000..1aa1e42
--- /dev/null
+++ b/gdb/config/i386/tm-i386v4.h
@@ -0,0 +1,69 @@
+/* Macro definitions for GDB on an Intel i386 running SVR4.
+   Copyright (C) 1991, Free Software Foundation, Inc.
+   Written by Fred Fish at Cygnus Support (fnf@cygint)
+
+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.  */
+
+/* Use the alternate method of determining valid frame chains. */
+
+#define FRAME_CHAIN_VALID_ALTERNATE
+
+/* number of traps that happen between exec'ing the shell 
+ * to run an inferior, and when we finally get to 
+ * the inferior code.  This is 2 on most implementations.
+ */
+#define START_INFERIOR_TRAPS_EXPECTED 2
+
+/* Pick up most of what we need from the generic i386 target include file. */
+
+#include "i386/tm-i386v.h"
+
+/* Pick up more stuff from the generic SVR4 host include file. */
+
+#include "tm-sysv4.h"
+
+/* We can't tell how many args there are
+   now that the C compiler delays popping them.  */
+
+#undef FRAME_NUM_ARGS
+#define FRAME_NUM_ARGS(val,fi) (val = -1)
+
+/* Offsets (in target ints) into jmp_buf.  Not defined in any system header
+   file, so we have to step through setjmp/longjmp with a debugger and figure
+   them out.  Note that <setjmp> defines _JBLEN as 10, which is the default
+   if no specific machine is selected, even though we only use 6 slots. */
+
+#define JB_ELEMENT_SIZE sizeof(int)	/* jmp_buf[_JBLEN] is array of ints */
+
+#define JB_EBX	0
+#define JB_ESI	1
+#define JB_EDI	2
+#define JB_EBP	3
+#define JB_ESP	4
+#define JB_EDX	5
+
+#define JB_PC	JB_EDX	/* Setjmp()'s return PC saved in EDX */
+
+/* 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 */
+
+extern int
+get_longjmp_target PARAMS ((CORE_ADDR *));
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)