Sync: merge r214895 through r215140 from ^/head.

17 files changed, 123 insertions, 96 deletions

diff --git a/gnu/lib/libgcc/Makefile b/gnu/lib/libgcc/Makefile
index b3480dc2da30..2021c8c737cc 100644
--- a/gnu/lib/libgcc/Makefile
+++ b/gnu/lib/libgcc/Makefile
@@ -3,7 +3,6 @@
 GCCDIR=	${.CURDIR}/../../../contrib/gcc
 GCCLIB=	${.CURDIR}/../../../contrib/gcclibs
 
-LIB=		gcc
 SHLIB_NAME=	libgcc_s.so.1
 SHLIBDIR?=	/lib
 
@@ -27,7 +26,7 @@ CFLAGS+=	-DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
 LDFLAGS+=	-nodefaultlibs
 LDADD+=		-lc
 
-OBJS=		# added to below in various ways depending on TARGET_ARCH
+OBJS=		# added to below in various ways depending on TARGET_CPUARCH
 
 #---------------------------------------------------------------------------
 #
@@ -100,7 +99,7 @@ LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
 #	Platform specific bits.
 #	When upgrading GCC, get the following definitions from config/<cpu>/t-*
 #
-.if ${TARGET_ARCH} == "arm"
+.if ${TARGET_CPUARCH} == "arm"
 #	from config/arm/t-strongarm-elf
 CFLAGS+=	-Dinhibit_libc -fno-inline
 LIB1ASMSRC =	lib1funcs.asm
@@ -116,7 +115,7 @@ LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
 #	_fixsfsi _fixunssfsi _floatdidf _floatdisf
 .endif
 
-.if ${TARGET_ARCH} == "mips"
+.if ${TARGET_CPUARCH} == "mips"
 LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
 .if defined(TARGET_ABI) && ${TARGET_ABI} != "o32"
 LIB2FUNCS_EXTRA+= floatdidf.c fixunsdfsi.c
@@ -126,7 +125,7 @@ LIB2FUNCS_EXTRA+= fixdfdi.c fixunssfsi.c
 .endif
 .endif
 
-.if ${TARGET_ARCH} == "ia64"
+.if ${TARGET_CPUARCH} == "ia64"
 #	from config/ia64/t-ia64
 LIB1ASMSRC   = lib1funcs.asm
 LIB1ASMFUNCS = __divxf3 __divdf3 __divsf3 \
@@ -137,18 +136,18 @@ LIB1ASMFUNCS = __divxf3 __divdf3 __divsf3 \
 LIB2ADDEH = unwind-ia64.c unwind-sjlj.c unwind-c.c
 .endif
 
-.if ${TARGET_ARCH} == "powerpc"
+.if ${TARGET_CPUARCH} == "powerpc"
 #	from config/rs6000/t-ppccomm
 LIB2FUNCS_EXTRA = tramp.asm
 LIB2FUNCS_STATIC_EXTRA = eabi.asm
 .endif
 
-.if ${TARGET_ARCH} == "powerpc64"
+.if ${TARGET_CPUARCH} == "powerpc64"
 #	from config/rs6000/t-ppccomm
 LIB2FUNCS_EXTRA = tramp.asm
 .endif
 
-.if ${TARGET_ARCH} == "sparc64"
+.if ${TARGET_CPUARCH} == "sparc64"
 #	from config/sparc/t-elf
 LIB1ASMSRC =   lb1spc.asm
 LIB1ASMFUNCS = _mulsi3 _divsi3 _modsi3
@@ -195,8 +194,8 @@ OBJ_GRPS =	STD DIV
 #
 # Floating point emulation functions
 #
-.if ${TARGET_ARCH} == "armNOT_YET" || \
-    ${TARGET_ARCH} == "powerpc" || ${TARGET_ARCH} == "sparc64"
+.if ${TARGET_CPUARCH} == "armNOT_YET" || \
+    ${TARGET_CPUARCH} == "powerpc" || ${TARGET_CPUARCH} == "sparc64"
 
 FPBIT_CFLAGS =	-DFINE_GRAINED_LIBRARIES -DFLOAT
 DPBIT_CFLAGS =	-DFINE_GRAINED_LIBRARIES
@@ -334,21 +333,21 @@ CLEANFILES +=	libgcc.map
 #
 # Build additional static libgcc_eh[_p].a libraries.
 #
-lib${LIB}_eh.a:	${EH_OBJS_T}
-	@${ECHO} building static ${LIB}_eh library
+libgcc_eh.a:	${EH_OBJS_T}
+	@${ECHO} building static gcc_eh library
 	@rm -f ${.TARGET}
 	@${AR} cq ${.TARGET} `lorder ${EH_OBJS_T} | tsort -q`
 	${RANLIB} ${.TARGET}
 
-all:	lib${LIB}_eh.a
+all:	libgcc_eh.a
 
 .if ${MK_PROFILE} != "no"
-lib${LIB}_eh_p.a:	${EH_OBJS_P}
-	@${ECHO} building profiled ${LIB}_eh library
+libgcc_eh_p.a:	${EH_OBJS_P}
+	@${ECHO} building profiled gcc_eh library
 	@rm -f ${.TARGET}
 	@${AR} cq ${.TARGET} `lorder ${EH_OBJS_P} | tsort -q`
 	${RANLIB} ${.TARGET}
-all:	lib${LIB}_eh_p.a
+all:	libgcc_eh_p.a
 .endif
 
 _libinstall: _lib-eh-install
@@ -356,14 +355,14 @@ _libinstall: _lib-eh-install
 _lib-eh-install:
 .if ${MK_INSTALLLIB} != "no"
 	${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
-		${_INSTALLFLAGS} lib${LIB}_eh.a ${DESTDIR}${LIBDIR}
+		${_INSTALLFLAGS} libgcc_eh.a ${DESTDIR}${LIBDIR}
 .endif
 .if ${MK_PROFILE} != "no"
 	${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
-		${_INSTALLFLAGS} lib${LIB}_eh_p.a ${DESTDIR}${LIBDIR}
+		${_INSTALLFLAGS} libgcc_eh_p.a ${DESTDIR}${LIBDIR}
 .endif
 
-CLEANFILES+=	lib${LIB}_eh.a lib${LIB}_eh_p.a ${EH_OBJS_T} ${EH_OBJS_P}
+CLEANFILES+=	libgcc_eh.a libgcc_eh_p.a ${EH_OBJS_T} ${EH_OBJS_P}
 
 .include <bsd.lib.mk>
 
diff --git a/gnu/usr.bin/binutils/Makefile.inc0 b/gnu/usr.bin/binutils/Makefile.inc0
index 7a062bab0f4b..09bda29a3cc1 100644
--- a/gnu/usr.bin/binutils/Makefile.inc0
+++ b/gnu/usr.bin/binutils/Makefile.inc0
@@ -6,15 +6,19 @@
 
 VERSION=	"2.17.50 [FreeBSD] 2007-07-03"
 
+.if defined(TARGET_ARCH)
+TARGET_CPUARCH=${TARGET_ARCH:C/mipse[bl]/mips/:C/armeb/arm/}
+.else
+TARGET_CPUARCH=${MACHINE_CPUARCH}
+.endif
 TARGET_ARCH?=	${MACHINE_ARCH}
 TARGET_VENDOR?=	unknown
 TARGET_OS?=	freebsd
-.if ${TARGET_ARCH} == "amd64"
-BINUTILS_ARCH=x86_64
-.else
-BINUTILS_ARCH=${TARGET_ARCH}
-.endif
+BINUTILS_ARCH=${TARGET_ARCH:C/amd64/x86_64/}
 TARGET_TUPLE?=	${BINUTILS_ARCH}-${TARGET_VENDOR}-${TARGET_OS}
+.if ${TARGET_ARCH} == "armeb" || ${TARGET_ARCH} == "mipseb"
+TARGET_BIG_ENDIAN=t
+.endif
 
 # RELTOP is the relative path to this point in the source or object
 # tree, from any subdirectory of same.  It gets extra "../" prefixes
@@ -24,28 +28,29 @@ RELTOP:= ..
 RELSRC=	${RELTOP}/../../../contrib/binutils
 SRCDIR=	${.CURDIR}/${RELSRC}
 
-.if ${TARGET_ARCH} == "arm" || ${TARGET_ARCH} == "i386" || \
-	${TARGET_ARCH} == "powerpc" || \
-	(${TARGET_ARCH} == "mips" && (!defined(TARGET_ABI) || ${TARGET_ABI} != "n64"))
+.if ${TARGET_CPUARCH} == "arm" || ${TARGET_CPUARCH} == "i386" || \
+	${TARGET_CPUARCH} == "powerpc" || \
+	(${TARGET_CPUARCH} == "mips" && \
+		(!defined(TARGET_ABI) || ${TARGET_ABI} != "n64"))
 CFLAGS+= -DBFD_DEFAULT_TARGET_SIZE=32
 .else
 CFLAGS+= -DBFD_DEFAULT_TARGET_SIZE=64
 .endif
 
 CFLAGS+= -I.
-.if exists(${.CURDIR}/${TARGET_ARCH})
-CFLAGS+= -I${.CURDIR}/${TARGET_ARCH}
+.if exists(${.CURDIR}/${TARGET_CPUARCH})
+CFLAGS+= -I${.CURDIR}/${TARGET_CPUARCH}
 .endif
 CFLAGS+= -I${.CURDIR}
 CFLAGS+= -I${.CURDIR}/${RELTOP}/libbfd
 CFLAGS+= -I${.OBJDIR}/${RELTOP}/libbfd
 CFLAGS+= -I${SRCDIR}/include
 
-.if exists(${.CURDIR}/${TARGET_ARCH})
-.PATH: ${.CURDIR}/${TARGET_ARCH}
+.if exists(${.CURDIR}/${TARGET_CPUARCH})
+.PATH: ${.CURDIR}/${TARGET_CPUARCH}
 .endif
 
-ARCHS=	${TARGET_ARCH}
+ARCHS=	${TARGET_CPUARCH}
 
 .for _arch in ${CROSS_ARCH}
 .if (${ARCHS:R:M${_arch:R}} == "")
diff --git a/gnu/usr.bin/binutils/as/Makefile b/gnu/usr.bin/binutils/as/Makefile
index 7e2df54c3fae..003ce1f81ab7 100644
--- a/gnu/usr.bin/binutils/as/Makefile
+++ b/gnu/usr.bin/binutils/as/Makefile
@@ -41,7 +41,7 @@ SRCS+=	app.c \
 # DEO: why not used?
 #SRCS+=	itbl-ops.c
 
-.if ${TARGET_ARCH} == "mips"
+.if ${TARGET_CPUARCH} == "mips"
 SRCS+=	itbl-ops.c itbl-parse.y itbl-lex.l
 .endif
 
@@ -52,7 +52,7 @@ SRCS+=	tc-ppc.c
 .elif ${TARGET_ARCH} == "sparc64"
 SRCS+=	tc-sparc.c
 .else
-SRCS+=	tc-${TARGET_ARCH}.c
+SRCS+=	tc-${TARGET_CPUARCH}.c
 .endif
 
 .if ${TARGET_ARCH} == "sparc64"
@@ -70,7 +70,7 @@ CFLAGS+= -DTARGET_ALIAS=\"${TARGET_TUPLE}\"
 CFLAGS+= -DVERSION=\"${VERSION}\"
 CFLAGS+= -D_GNU_SOURCE
 CFLAGS+= -I${SRCDIR}/gas -I${SRCDIR}/bfd -I${SRCDIR}/gas/config -I${SRCDIR}
-CFLAGS+= -I${.CURDIR} -I${.CURDIR}/${TARGET_ARCH}-freebsd
+CFLAGS+= -I${.CURDIR} -I${.CURDIR}/${TARGET_CPUARCH}-freebsd
 
 NO_SHARED?=	yes
 
diff --git a/gnu/usr.bin/binutils/ld/Makefile.arm b/gnu/usr.bin/binutils/ld/Makefile.arm
index b4d9d69e2774..870fcece5f4d 100644
--- a/gnu/usr.bin/binutils/ld/Makefile.arm
+++ b/gnu/usr.bin/binutils/ld/Makefile.arm
@@ -1,6 +1,6 @@
 # $FreeBSD$
 
-.if defined(TARGET_BIG_ENDIAN)
+.if ${TARGET_ARCH} == "armeb"
 NATIVE_EMULATION= armelfb_fbsd
 .else
 NATIVE_EMULATION= armelf_fbsd
diff --git a/gnu/usr.bin/binutils/ld/Makefile.mips b/gnu/usr.bin/binutils/ld/Makefile.mips
index e0d0582df617..de0ec945d68b 100644
--- a/gnu/usr.bin/binutils/ld/Makefile.mips
+++ b/gnu/usr.bin/binutils/ld/Makefile.mips
@@ -1,8 +1,6 @@
 # $FreeBSD$
 
-#xxxIMPxxx: TARGET_BIG_ENDIAN is lame.  We should use the netbsd convention
-# of mipsel and mips.
-.if !defined(TARGET_BIG_ENDIAN)
+.if ${TARGET_ARCH} == "mipsel"
 _EMULATION_ENDIAN=l
 .else
 _EMULATION_ENDIAN=b
diff --git a/gnu/usr.bin/binutils/libbfd/Makefile.arm b/gnu/usr.bin/binutils/libbfd/Makefile.arm
index 9633783068fc..4910f3808631 100644
--- a/gnu/usr.bin/binutils/libbfd/Makefile.arm
+++ b/gnu/usr.bin/binutils/libbfd/Makefile.arm
@@ -1,6 +1,6 @@
 # $FreeBSD$
 
-.if defined(TARGET_BIG_ENDIAN)
+.if ${TARGET_ARCH} == "armeb"
 DEFAULT_VECTOR=	bfd_elf32_bigarm_vec
 .else
 DEFAULT_VECTOR=	bfd_elf32_littlearm_vec
@@ -14,7 +14,7 @@ SRCS+=	cpu-arm.c \
 	elflink.c
 
 VECS+=	${DEFAULT_VECTOR}
-.if defined(TARGET_BIG_ENDIAN)
+.if ${TARGET_ARCH} == "armeb"
 VECS+=	bfd_elf32_littlearm_vec
 .else
 VECS+=	bfd_elf32_bigarm_vec
diff --git a/gnu/usr.bin/binutils/libbfd/Makefile.mips b/gnu/usr.bin/binutils/libbfd/Makefile.mips
index cb1e370e34d2..bf21130d39bb 100644
--- a/gnu/usr.bin/binutils/libbfd/Makefile.mips
+++ b/gnu/usr.bin/binutils/libbfd/Makefile.mips
@@ -1,15 +1,11 @@
 # $FreeBSD$
 
-#xxxIMPxxx: TARGET_BIG_ENDIAN is lame.  We should use the netbsd convention
-# of mipsel and mips.
-.if !defined(TARGET_BIG_ENDIAN)
+.if ${TARGET_ARCH} == "mipsel"
 _EMULATION_ENDIAN=little
 .else
 _EMULATION_ENDIAN=big
 .endif
 
-DEFAULT_VECTOR=	bfd_elf32_tradbigmips_vec
-
 .if defined(TARGET_ABI) && ${TARGET_ABI} != "o32"
 .if ${TARGET_ABI} == "n32"
 DEFAULT_VECTOR=	bfd_elf32_ntrad${_EMULATION_ENDIAN}mips_vec
diff --git a/gnu/usr.bin/cc/Makefile.inc b/gnu/usr.bin/cc/Makefile.inc
index 994d97937083..9d3ee2dbfa0f 100644
--- a/gnu/usr.bin/cc/Makefile.inc
+++ b/gnu/usr.bin/cc/Makefile.inc
@@ -32,9 +32,13 @@ CFLAGS+=	-DLONG_TYPE_SIZE=${LONG_TYPE_SIZE}
 CFLAGS+=	-DCROSS_COMPILE
 .endif
 
-.if ${TARGET_ARCH} == "mips"
-# XXX This is backwards, MIPS should default to BE.
-.if !defined(TARGET_BIG_ENDIAN)
+.if ${TARGET_ARCH} == "armeb"
+CFLAGS += -DTARGET_ENDIAN_DEFAULT=MASK_BIG_END
+.endif
+
+
+.if ${TARGET_CPUARCH} == "mips"
+.if ${TARGET_ARCH} == "mipsel"
 CFLAGS += -DTARGET_ENDIAN_DEFAULT=0
 .endif
 
diff --git a/gnu/usr.bin/cc/Makefile.tgt b/gnu/usr.bin/cc/Makefile.tgt
index 5e036bc14145..a1e6d08ed624 100644
--- a/gnu/usr.bin/cc/Makefile.tgt
+++ b/gnu/usr.bin/cc/Makefile.tgt
@@ -1,16 +1,15 @@
 # $FreeBSD$
 
-TARGET_ARCH?=	${MACHINE_ARCH}
+# These assignments duplicate much of the functionality of
+# MACHINE_CPUARCH, but there's no easy way to export make functions...
 
-.if ${TARGET_ARCH} == "amd64"
-GCC_CPU=	i386
-.elif ${TARGET_ARCH} == "powerpc" || ${TARGET_ARCH} == "powerpc64"
-GCC_CPU=	rs6000
-.elif ${TARGET_ARCH} == "sparc64"
-GCC_CPU=	sparc
+.if defined(TARGET_ARCH)
+TARGET_CPUARCH=${TARGET_ARCH:C/mipse[bl]/mips/:C/armeb/arm/}
 .else
-GCC_CPU=	${TARGET_ARCH}
+TARGET_CPUARCH=${MACHINE_CPUARCH}
 .endif
+TARGET_ARCH?=	${MACHINE_ARCH}
+GCC_CPU=${TARGET_CPUARCH:C/amd64/i386/:C/powerpc/rs6000/:C/sparc64/sparc/}
 
 .if ${TARGET_ARCH} == "ia64"
 TARGET_CPU_DEFAULT= MASK_GNU_AS|MASK_GNU_LD
@@ -18,7 +17,9 @@ TARGET_CPU_DEFAULT= MASK_GNU_AS|MASK_GNU_LD
 .if ${TARGET_ARCH} == "sparc64"
 TARGET_CPU_DEFAULT= TARGET_CPU_ultrasparc
 .endif
+.if ${TARGET_ARCH} == "armeb" || ${TARGET_ARCH} == "mipseb" || ${TARGET_ARCH} == "mips64eb"
+TARGET_BIG_ENDIAN=t
+.endif
 .if ${TARGET_ARCH} == "powerpc64"
 TARGET_CPU_DEFAULT= \"powerpc64\"
 .endif
-
diff --git a/gnu/usr.bin/cc/cc_int/Makefile b/gnu/usr.bin/cc/cc_int/Makefile
index a7ec17c06410..7082c3ea4238 100644
--- a/gnu/usr.bin/cc/cc_int/Makefile
+++ b/gnu/usr.bin/cc/cc_int/Makefile
@@ -75,10 +75,6 @@ OBJS-md+= ${GCC_CPU}-c.o
 # Target specific, C specific object file
 C_TARGET_OBJS=
 
-.if ${TARGET_ARCH} == "arm" && defined(TARGET_BIG_ENDIAN)
-CFLAGS += -DTARGET_ENDIAN_DEFAULT=MASK_BIG_END
-.endif
-
 # Language-specific object files for C and Objective C.
 C_AND_OBJC_OBJS = attribs.o c-errors.o c-lex.o c-pragma.o c-decl.o c-typeck.o \
   c-convert.o c-aux-info.o c-common.o c-opts.o c-format.o c-semantics.o \
diff --git a/gnu/usr.bin/cc/cc_tools/Makefile b/gnu/usr.bin/cc/cc_tools/Makefile
index 87ad642870ac..1ba230060e77 100644
--- a/gnu/usr.bin/cc/cc_tools/Makefile
+++ b/gnu/usr.bin/cc/cc_tools/Makefile
@@ -22,13 +22,13 @@ LIBIBERTY=	libiberty.a
 # The list of headers to go into tm.h
 #
 TARGET_INC+=	options.h
-.if ${TARGET_ARCH} == "amd64"
+.if ${TARGET_CPUARCH} == "amd64"
 TARGET_INC+=	i386/biarch64.h
 .endif
-.if ${TARGET_ARCH} != "arm"
+.if ${TARGET_CPUARCH} != "arm"
 TARGET_INC+=	${GCC_CPU}/${GCC_CPU}.h
 .endif
-.if ${TARGET_ARCH} == "i386" || ${TARGET_ARCH} == "amd64"
+.if ${TARGET_CPUARCH} == "i386" || ${TARGET_CPUARCH} == "amd64"
 TARGET_INC+=	${GCC_CPU}/unix.h
 TARGET_INC+=	${GCC_CPU}/att.h
 .endif
@@ -38,18 +38,18 @@ TARGET_INC+=	elfos.h
 TARGET_INC+=	freebsd-native.h
 TARGET_INC+=	freebsd-spec.h
 TARGET_INC+=	freebsd.h
-.if ${TARGET_ARCH} != "i386" && ${TARGET_ARCH} != "amd64"
+.if ${TARGET_CPUARCH} != "i386" && ${TARGET_CPUARCH} != "amd64"
 . if exists(${GCCDIR}/config/${GCC_CPU}/sysv4.h)
 TARGET_INC+=	${GCC_CPU}/sysv4.h
 . endif
 .endif
-.if ${TARGET_ARCH} == "amd64"
+.if ${TARGET_CPUARCH} == "amd64"
 TARGET_INC+=	${GCC_CPU}/x86-64.h
 .endif
-.if ${TARGET_ARCH} == "arm" || ${TARGET_ARCH} == "mips"
+.if ${TARGET_CPUARCH} == "arm" || ${TARGET_CPUARCH} == "mips"
 TARGET_INC+=	${GCC_CPU}/elf.h
 .endif
-.if ${TARGET_ARCH} == "arm"
+.if ${TARGET_CPUARCH} == "arm"
 TARGET_INC+=	${GCC_CPU}/aout.h
 .endif
 .if ${TARGET_ARCH} == "powerpc64"
@@ -57,10 +57,10 @@ TARGET_INC+=	${GCC_CPU}/biarch64.h
 TARGET_INC+=    ${GCC_CPU}/default64.h
 .endif
 TARGET_INC+=	${GCC_CPU}/freebsd.h
-.if ${TARGET_ARCH} == "amd64"
+.if ${TARGET_CPUARCH} == "amd64"
 TARGET_INC+=	${GCC_CPU}/freebsd64.h
 .endif
-.if ${TARGET_ARCH} == "arm"
+.if ${TARGET_CPUARCH} == "arm"
 TARGET_INC+=	${GCC_CPU}/arm.h
 .endif
 TARGET_INC+=	defaults.h
@@ -175,11 +175,11 @@ OPT_FILES+=	${GCCDIR}/config/${GCC_CPU}/${GCC_CPU}.opt
 OPT_FILES+=	${.CURDIR}/${GCC_CPU}-freebsd.opt
 .endif
 
-.if ${TARGET_ARCH} == "powerpc" || ${TARGET_ARCH} == "powerpc64"
+.if ${TARGET_CPUARCH} == "powerpc"
 OPT_FILES+=	${GCCDIR}/config/${GCC_CPU}/sysv4.opt
 .endif
 
-.if ${TARGET_ARCH} == "sparc64"
+.if ${TARGET_CPUARCH} == "sparc64"
 OPT_FILES+=	${GCCDIR}/config/${GCC_CPU}/long-double-switch.opt
 .endif
 
diff --git a/gnu/usr.bin/gdb/Makefile.inc b/gnu/usr.bin/gdb/Makefile.inc
index c230f9557440..2888163467b4 100644
--- a/gnu/usr.bin/gdb/Makefile.inc
+++ b/gnu/usr.bin/gdb/Makefile.inc
@@ -16,8 +16,16 @@ OBJ_ROOT= ${.OBJDIR}/../..
 OBJ_BU= ${OBJ_ROOT}/binutils
 OBJ_GDB= ${OBJ_ROOT}/gdb
 
-TARGET_ARCH?= ${MACHINE_ARCH}
-TARGET_SUBDIR= ${BMAKE_GDB}/arch/${TARGET_ARCH}
+# These assignments duplicate much of the functionality of
+# MACHINE_CPUARCH, but there's no easy way to export make functions...
+
+.if defined(TARGET_ARCH)
+TARGET_CPUARCH=${TARGET_ARCH:C/mipse[bl]/mips/:C/armeb/arm/}
+.else
+TARGET_CPUARCH=${MACHINE_CPUARCH}
+.endif
+TARGET_ARCH?=	${MACHINE_ARCH}
+TARGET_SUBDIR= ${BMAKE_GDB}/arch/${TARGET_CPUARCH}
 
 .if ${TARGET_ARCH} != ${MACHINE_ARCH}
 GDB_CROSS_DEBUGGER=
@@ -31,7 +39,7 @@ GDB_CROSS_DEBUGGER=
 CFLAGS+= -DHAVE_CONFIG_H -DRL_NO_COMPAT -DMI_OUT=1 -DTUI=1
 CFLAGS+= -I.
 CFLAGS+= -I${TARGET_SUBDIR}
-CFLAGS+= -I${BMAKE_BU}/libbfd -I${BMAKE_BU}/libbfd/${TARGET_ARCH}
+CFLAGS+= -I${BMAKE_BU}/libbfd -I${BMAKE_BU}/libbfd/${TARGET_CPUARCH}
 CFLAGS+= -I${CNTRB_GDB}/gdb
 CFLAGS+= -I${CNTRB_GDB}/gdb/config
 CFLAGS+= -I${CNTRB_BU}/include
diff --git a/gnu/usr.bin/gdb/arch/mips/Makefile b/gnu/usr.bin/gdb/arch/mips/Makefile
index 54180d957151..a6d4d9e14f7b 100644
--- a/gnu/usr.bin/gdb/arch/mips/Makefile
+++ b/gnu/usr.bin/gdb/arch/mips/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 .if !defined(GDB_CROSS_DEBUGGER)
-LIBSRCS+= mipsfbsd-nat.c
+LIBSRCS+= mipsfbsd-nat.c fbsd-threads.c
 .endif
 LIBSRCS+= solib.c solib-svr4.c
 LIBSRCS+= mips-tdep.c mipsfbsd-tdep.c fbsd-proc.c
diff --git a/gnu/usr.bin/gdb/arch/mips/init.c b/gnu/usr.bin/gdb/arch/mips/init.c
index 27631f2c0458..491b2b3ee396 100644
--- a/gnu/usr.bin/gdb/arch/mips/init.c
+++ b/gnu/usr.bin/gdb/arch/mips/init.c
@@ -119,6 +119,8 @@ initialize_all_files (void)
   _initialize_mips_tdep ();
   _initialize_mipsfbsd_tdep ();
   _initialize_corelow ();
+  _initialize_solib ();
+  _initialize_svr4_solib ();
   _initialize_ser_hardwire ();
   _initialize_ser_pipe ();
   _initialize_ser_tcp ();
@@ -130,8 +132,7 @@ initialize_all_files (void)
   _initialize_kernel_u_addr ();
   _initialize_infptrace ();
   _initialize_inftarg ();
-  _initialize_solib ();
-  _initialize_svr4_solib ();
+  _initialize_thread_db ();
 #if 0
   _initialize_svr4_lm ();
 #endif
diff --git a/gnu/usr.bin/gdb/kgdb/Makefile b/gnu/usr.bin/gdb/kgdb/Makefile
index 955394a5d9fa..1372f17bf8ed 100644
--- a/gnu/usr.bin/gdb/kgdb/Makefile
+++ b/gnu/usr.bin/gdb/kgdb/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PROG=	kgdb${GDB_SUFFIX}
-SRCS=	main.c kld.c kthr.c trgt.c trgt_${TARGET_ARCH}.c
+SRCS=	main.c kld.c kthr.c trgt.c trgt_${TARGET_CPUARCH}.c
 WARNS?=	2
 
 BULIBS= ${OBJ_BU}/libbfd/libbfd.a ${OBJ_BU}/libopcodes/libopcodes.a \
diff --git a/gnu/usr.bin/gdb/kgdb/trgt_mips.c b/gnu/usr.bin/gdb/kgdb/trgt_mips.c
index 97822223d076..423cacd8a061 100644
--- a/gnu/usr.bin/gdb/kgdb/trgt_mips.c
+++ b/gnu/usr.bin/gdb/kgdb/trgt_mips.c
@@ -46,11 +46,16 @@ __FBSDID("$FreeBSD$");
 #include <frame-unwind.h>
 #include <mips-tdep.h>
 
+#ifndef	CROSS_DEBUGGER
+#include <machine/pcb.h>
+#endif
+
 #include "kgdb.h"
 
 void
 kgdb_trgt_fetch_registers(int regno __unused)
 {
+#ifndef	CROSS_DEBUGGER
 	struct kthr *kt;
 	struct pcb pcb;
 
@@ -61,24 +66,27 @@ kgdb_trgt_fetch_registers(int regno __unused)
 		warnx("kvm_read: %s", kvm_geterr(kvm));
 		memset(&pcb, 0, sizeof(pcb));
 	}
-	supply_register(MIPS_S0_REGNUM, (char *)&pcb.pcb_context[0]);
-	supply_register(MIPS_S1_REGNUM, (char *)&pcb.pcb_context[1]);
-	supply_register(MIPS_S2_REGNUM, (char *)&pcb.pcb_context[2]);
-	supply_register(MIPS_S3_REGNUM, (char *)&pcb.pcb_context[3]);
-	supply_register(MIPS_S4_REGNUM, (char *)&pcb.pcb_context[4]);
-	supply_register(MIPS_S5_REGNUM, (char *)&pcb.pcb_context[5]);
-	supply_register(MIPS_S6_REGNUM, (char *)&pcb.pcb_context[6]);
-	supply_register(MIPS_S7_REGNUM, (char *)&pcb.pcb_context[7]);
-	supply_register(MIPS_SP_REGNUM, (char *)&pcb.pcb_context[8]);
-	supply_register(MIPS_FP_REGNUM, (char *)&pcb.pcb_context[9]);
-	supply_register(MIPS_RA_REGNUM, (char *)&pcb.pcb_context[10]);
+
+	supply_register(MIPS_S0_REGNUM, (char *)&pcb.pcb_context[PCB_REG_S0]);
+	supply_register(MIPS_S1_REGNUM, (char *)&pcb.pcb_context[PCB_REG_S1]);
+	supply_register(MIPS_S2_REGNUM, (char *)&pcb.pcb_context[PCB_REG_S2]);
+	supply_register(MIPS_S3_REGNUM, (char *)&pcb.pcb_context[PCB_REG_S3]);
+	supply_register(MIPS_S4_REGNUM, (char *)&pcb.pcb_context[PCB_REG_S4]);
+	supply_register(MIPS_S5_REGNUM, (char *)&pcb.pcb_context[PCB_REG_S5]);
+	supply_register(MIPS_S6_REGNUM, (char *)&pcb.pcb_context[PCB_REG_S6]);
+	supply_register(MIPS_S7_REGNUM, (char *)&pcb.pcb_context[PCB_REG_S7]);
+	supply_register(MIPS_SP_REGNUM, (char *)&pcb.pcb_context[PCB_REG_SP]);
+	supply_register(MIPS_FP_REGNUM, (char *)&pcb.pcb_context[PCB_REG_GP]);
+	supply_register(MIPS_RA_REGNUM, (char *)&pcb.pcb_context[PCB_REG_RA]);
+	supply_register(MIPS_EMBED_PC_REGNUM, (char *)&pcb.pcb_context[PCB_REG_PC]);
+#endif
 }
 
 void
 kgdb_trgt_store_registers(int regno __unused)
 {
 
-	fprintf_unfiltered(gdb_stderr, "XXX: %s\n", __func__);
+	fprintf_unfiltered(gdb_stderr, "Unimplemented function: %s\n", __func__);
 }
 
 void
@@ -86,6 +94,7 @@ kgdb_trgt_new_objfile(struct objfile *objfile)
 {
 }
 
+#ifndef CROSS_DEBUGGER
 struct kgdb_frame_cache {
 	CORE_ADDR	pc;
 	CORE_ADDR	sp;
@@ -127,7 +136,7 @@ static int kgdb_trgt_frame_offset[] = {
 };
 
 static struct kgdb_frame_cache *
-kgdb_trgt_frame_cache(struct frame_info *next_frame __unused, void **this_cache __unused)
+kgdb_trgt_frame_cache(struct frame_info *next_frame, void **this_cache)
 {
 	char buf[MAX_REGISTER_SIZE];
 	struct kgdb_frame_cache *cache;
@@ -190,10 +199,12 @@ static const struct frame_unwind kgdb_trgt_trapframe_unwind = {
 	&kgdb_trgt_trapframe_this_id,
 	&kgdb_trgt_trapframe_prev_register
 };
+#endif
 
 const struct frame_unwind *
-kgdb_trgt_trapframe_sniffer(struct frame_info *next_frame __unused)
+kgdb_trgt_trapframe_sniffer(struct frame_info *next_frame)
 {
+#ifndef CROSS_DEBUGGER
 	char *pname;
 	CORE_ADDR pc;
 
@@ -207,6 +218,6 @@ kgdb_trgt_trapframe_sniffer(struct frame_info *next_frame __unused)
 	    (strcmp(pname, "MipsUserIntr") == 0) ||
 	    (strcmp(pname, "MipsUserGenException") == 0))
 		return (&kgdb_trgt_trapframe_unwind);
-	/* printf("%s: %llx =%s\n", __func__, pc, pname); */
+#endif
 	return (NULL);
 }
diff --git a/gnu/usr.bin/gdb/libgdb/Makefile b/gnu/usr.bin/gdb/libgdb/Makefile
index 8c22a1acb365..bb18a8e6bdd9 100644
--- a/gnu/usr.bin/gdb/libgdb/Makefile
+++ b/gnu/usr.bin/gdb/libgdb/Makefile
@@ -1,6 +1,14 @@
 # $FreeBSD$
 
-TARGET_ARCH?= ${MACHINE_ARCH}
+# These assignments duplicate much of the functionality of
+# MACHINE_CPUARCH, but there's no easy way to export make functions...
+
+.if defined(TARGET_ARCH)
+TARGET_CPUARCH=${TARGET_ARCH:C/mipse[bl]/mips/:C/armeb/arm/}
+.else
+TARGET_CPUARCH=${MACHINE_CPUARCH}
+.endif
+TARGET_ARCH?=	${MACHINE_ARCH}
 
 LIB=	gdb
 INTERNALLIB=