1 files changed, 68 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/config/i386/tm-go32.h b/contrib/gdb/gdb/config/i386/tm-go32.h
new file mode 100644
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--- /dev/null
+++ b/contrib/gdb/gdb/config/i386/tm-go32.h
@@ -0,0 +1,68 @@
+/* Target-dependent definitions for Intel x86 running DJGPP.
+   Copyright 1995, 1996, 1997, 1999, 2000 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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef TM_GO32_H
+#define TM_GO32_H
+
+#undef HAVE_SSE_REGS	/* FIXME! go32-nat.c needs to support XMMi registers */
+#define HAVE_I387_REGS
+
+#include "i386/tm-i386.h"
+
+/* FRAME_CHAIN takes a frame's nominal address and produces the frame's
+   chain-pointer.
+   In the case of the i386, the frame's nominal address
+   is the address of a 4-byte word containing the calling frame's address.
+   DJGPP doesn't have any special frames for signal handlers, they are
+   just normal C functions. */
+#undef  FRAME_CHAIN
+#define FRAME_CHAIN(thisframe) \
+  (!inside_entry_file ((thisframe)->pc) ? \
+   read_memory_integer ((thisframe)->frame, 4) :\
+   0)
+
+/* A macro that tells us whether the function invocation represented
+   by FI does not have a frame on the stack associated with it.  If it
+   does not, FRAMELESS is set to 1, else 0.  */
+#undef  FRAMELESS_FUNCTION_INVOCATION
+#define FRAMELESS_FUNCTION_INVOCATION(FI) \
+     (frameless_look_for_prologue(FI))
+
+extern CORE_ADDR i386go32_frame_saved_pc (struct frame_info *frame);
+#undef  FRAME_SAVED_PC
+#define FRAME_SAVED_PC(FRAME) (i386go32_frame_saved_pc ((FRAME)))
+
+/* Support for longjmp.  */
+
+/* Details about jmp_buf.  It's supposed to be an array of integers.  */
+
+#define JB_ELEMENT_SIZE 4	/* Size of elements in jmp_buf.  */
+#define JB_PC		8	/* Array index of saved PC inside jmp_buf.  */
+
+/* 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)
+extern int get_longjmp_target (CORE_ADDR *addr);
+
+#endif /* TM_GO32_H */