From bd064b9335dc38fa5039943c2f43aab94db345cd Mon Sep 17 00:00:00 2001
From: "David E. O'Brien" <obrien@FreeBSD.org>
Date: Mon, 26 Jan 2004 09:18:47 +0000
Subject: [PATCH] Fix problem where kgdb misses trap frames.

Reported by:	iedowse
---
 gnu/usr.bin/binutils/gdb/Makefile            | 12 +++++------
 gnu/usr.bin/binutils/gdb/fbsd-kgdb-alpha.h   |  3 +++
 gnu/usr.bin/binutils/gdb/fbsd-kgdb-arm.h     |  2 ++
 gnu/usr.bin/binutils/gdb/fbsd-kgdb-i386.h    | 22 ++++++--------------
 gnu/usr.bin/binutils/gdb/fbsd-kgdb-ia64.h    |  2 ++
 gnu/usr.bin/binutils/gdb/fbsd-kgdb-powerpc.h |  2 ++
 gnu/usr.bin/binutils/gdb/fbsd-kgdb-sparc64.h |  3 +++
 7 files changed, 24 insertions(+), 22 deletions(-)

diff --git a/gnu/usr.bin/binutils/gdb/Makefile b/gnu/usr.bin/binutils/gdb/Makefile
index 20d3c090577..a7e08787a14 100644
--- a/gnu/usr.bin/binutils/gdb/Makefile
+++ b/gnu/usr.bin/binutils/gdb/Makefile
@@ -7,6 +7,7 @@ GDBDIR= ${.CURDIR}/../../../../contrib/gdb
 .PATH: ${GDBDIR}/gdb ${GDBDIR}/gdb/cli ${GDBDIR}/gdb/mi
 .PATH: ${SRCDIR}/opcodes ${SRCDIR}/binutils
 
+#	For FSF GDB files, use their CPU (arch) name; for our files use ours.
 .if ${TARGET_ARCH} == "sparc64"
 GDB_CPU=	sparc
 .elif ${TARGET_ARCH} == "amd64"
@@ -118,19 +119,18 @@ init.c: ${XSRCS}
 
 .PRECIOUS: init.c
 
-nm.h:
-	echo '#include "${GDB_CPU}/nm-fbsd.h"'	>${.TARGET}
-	echo '#include "fbsd-kgdb.h"'		>>${.TARGET}
+tm.h:
+	ln -sf ${.CURDIR}/fbsd-kgdb-${TARGET_ARCH}.h ${.TARGET}
 
-.for H in tm-fbsd xm-${GDB_CPU}
+.for H in nm-fbsd xm-${GDB_CPU}
 ${H:C/-.*$//}.h:
 	ln -sf \
-	    ${.CURDIR}/../../../../contrib/gdb/gdb/config/${GDB_CPU}/${H}.h \
+	    ${GDBDIR}/gdb/config/${GDB_CPU}/${H}.h \
 	    ${.TARGET}
 .endfor
 
 GDB_VERSION=	"5.2.1 (FreeBSD)"
-gdbversion.c:
+gdbversion.c: Makefile
 	@echo '#include "version.h"'				> ${.TARGET}
 	@echo 'const char version[] = ${GDB_VERSION};'		>>${.TARGET}
 	@echo 'const char host_name[] = "${MACHINE_ARCH}-undermydesk-freebsd";'			>>${.TARGET}
diff --git a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-alpha.h b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-alpha.h
index 90dbc146332..6b5cf20a852 100644
--- a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-alpha.h
+++ b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-alpha.h
@@ -3,6 +3,9 @@
 #ifndef FBSD_KGDB_ALPHA_H
 #define FBSD_KGDB_ALPHA_H
 
+#include "alpha/tm-fbsd.h"
+#include "fbsd-kgdb.h"
+
 #undef  FRAME_SAVED_PC
 #define FRAME_SAVED_PC(FRAME) \
   (kernel_debugging ? fbsd_kern_frame_saved_pc(FRAME) : \
diff --git a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-arm.h b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-arm.h
index 1d7afed7c02..5896125f03c 100644
--- a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-arm.h
+++ b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-arm.h
@@ -3,4 +3,6 @@
 #ifndef FBSD_KGDB_ARM_H
 #define FBSD_KGDB_ARM_H
 
+#include "fbsd-kgdb.h"
+
 #endif /* FBSD_KGDB_ARM_H */
diff --git a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-i386.h b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-i386.h
index a2d655d2f1b..3196316d83b 100644
--- a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-i386.h
+++ b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-i386.h
@@ -3,29 +3,19 @@
 #ifndef FBSD_KGDB_I386_H
 #define FBSD_KGDB_I386_H
 
-/* On FreeBSD, sigtramp has size 0x18 and is immediately below the
-   ps_strings struct which has size 0x10 and is at the top of the
-   user stack.  */
+#include "i386/tm-fbsd.h"
+#include "fbsd-kgdb.h"
 
-#undef  SIGTRAMP_START
-#define SIGTRAMP_START(pc)	0xbfbfdfd8
-#undef  SIGTRAMP_END
-#define SIGTRAMP_END(pc)	0xbfbfdff0
- 
- 
 /* Override FRAME_SAVED_PC to enable the recognition of signal handlers.  */
-
-extern CORE_ADDR fbsd_kern_frame_saved_pc(struct frame_info *fr);
-
 #undef  FRAME_SAVED_PC
 #define FRAME_SAVED_PC(FRAME) \
   (kernel_debugging \
-    ? fbsd_kern_frame_saved_pc (FRAME) : \
-    (FRAME)->signal_handler_caller \
-      ? sigtramp_saved_pc (FRAME) \
-      : read_memory_integer ((FRAME)->frame + 4, 4))
+    ? fbsd_kern_frame_saved_pc (FRAME) \
+    : i386bsd_frame_saved_pc (FRAME))
+extern CORE_ADDR fbsd_kern_frame_saved_pc(struct frame_info *fr);
 
 /* Offset to saved PC in sigcontext, from <sys/signal.h>.  */
+/* DEO:XXX where is this really from??? */
 #define SIGCONTEXT_PC_OFFSET 20
 
 #endif /* FBSD_KGDB_I386_H */
diff --git a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-ia64.h b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-ia64.h
index 3a795759026..8f198fdfa1b 100644
--- a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-ia64.h
+++ b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-ia64.h
@@ -3,4 +3,6 @@
 #ifndef FBSD_KGDB_IA64_H
 #define FBSD_KGDB_IA64_H
 
+#include "fbsd-kgdb.h"
+
 #endif /* FBSD_KGDB_IA64_H */
diff --git a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-powerpc.h b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-powerpc.h
index 64b2bc7cc8d..c6821e109e5 100644
--- a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-powerpc.h
+++ b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-powerpc.h
@@ -3,4 +3,6 @@
 #ifndef FBSD_KGDB_POWERPC_H
 #define FBSD_KGDB_POWERPC_H
 
+#include "fbsd-kgdb.h"
+
 #endif /* FBSD_KGDB_POWERPC_H */
diff --git a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-sparc64.h b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-sparc64.h
index 4b37697101f..56fd480deff 100644
--- a/gnu/usr.bin/binutils/gdb/fbsd-kgdb-sparc64.h
+++ b/gnu/usr.bin/binutils/gdb/fbsd-kgdb-sparc64.h
@@ -3,4 +3,7 @@
 #ifndef FBSD_KGDB_SPARC64_H
 #define FBSD_KGDB_SPARC64_H
 
+#include "sparc/tm-fbsd.h"
+#include "fbsd-kgdb.h"
+
 #endif /* FBSD_KGDB_SPARC64_H */