libgo: Use -fgo-pkgpath.

From-SVN: r187485

36 files changed, 524 insertions, 475 deletions

diff --git a/libgo/Makefile.am b/libgo/Makefile.am
index 074d66405cd..f48a42cbc12 100644
--- a/libgo/Makefile.am
+++ b/libgo/Makefile.am
@@ -488,31 +488,31 @@ goc2c: goc2c.$(OBJEXT)
 	$(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) -o $@ $<
 
 malloc.c: $(srcdir)/runtime/malloc.goc goc2c
-	./goc2c --gcc --go-prefix libgo_runtime $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 mprof.c: $(srcdir)/runtime/mprof.goc goc2c
-	./goc2c --gcc --go-prefix libgo_runtime $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 reflect.c: $(srcdir)/runtime/reflect.goc goc2c
-	./goc2c --gcc --go-prefix libgo_reflect $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 runtime1.c: $(srcdir)/runtime/runtime1.goc goc2c
-	./goc2c --gcc --go-prefix libgo_runtime $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 sema.c: $(srcdir)/runtime/sema.goc goc2c
-	./goc2c --gcc --go-prefix libgo_sync $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 sigqueue.c: $(srcdir)/runtime/sigqueue.goc goc2c
-	./goc2c --gcc --go-prefix libgo_os $< > $@.tmp
+	./goc2c --gcc --go-pkgpath os_signal $< > $@.tmp
 	mv -f $@.tmp $@
 
 time.c: $(srcdir)/runtime/time.goc goc2c
-	./goc2c --gcc --go-prefix libgo_time $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 %.c: $(srcdir)/runtime/%.goc goc2c
@@ -1604,33 +1604,38 @@ os_lib_inotify_lo =
 endif
 
 libgo_go_objs = \
-	bufio/bufio.lo \
-	bytes/bytes.lo \
+	bufio.lo \
+	bytes.lo \
 	bytes/index.lo \
-	crypto/crypto.lo \
-	errors/errors.lo \
-	expvar/expvar.lo \
-	flag/flag.lo \
-	fmt/fmt.lo \
-	hash/hash.lo \
-	html/html.lo \
-	image/image.lo \
-	io/io.lo \
-	log/log.lo \
-	math/math.lo \
-	net/net.lo \
-	os/exec.lo \
-	os/os.lo \
-	path/path.lo \
-	reflect/reflect.lo \
-	regexp/regexp.lo \
-	runtime/runtime.lo \
-	sort/sort.lo \
-	strconv/strconv.lo \
-	strings/strings.lo \
-	sync/sync.lo \
-	time/time.lo \
-	unicode/unicode.lo \
+	crypto.lo \
+	errors.lo \
+	expvar.lo \
+	flag.lo \
+	fmt.lo \
+	hash.lo \
+	html.lo \
+	image.lo \
+	io.lo \
+	log.lo \
+	math.lo \
+	mime.lo \
+	net.lo \
+	os.lo \
+	path.lo \
+	reflect-go.lo \
+	regexp.lo \
+	runtime-go.lo \
+	sort.lo \
+	strconv.lo \
+	strings.lo \
+	sync.lo \
+	syscall.lo \
+	syscall/errno.lo \
+	syscall/signame.lo \
+	syscall/wait.lo \
+	testing.lo \
+	time-go.lo \
+	unicode.lo \
 	archive/tar.lo \
 	archive/zip.lo \
 	compress/bzip2.lo \
@@ -1713,7 +1718,6 @@ libgo_go_objs = \
 	math/big.lo \
 	math/cmplx.lo \
 	math/rand.lo \
-	mime/mime.lo \
 	mime/multipart.lo \
 	net/http.lo \
 	net/mail.lo \
@@ -1724,6 +1728,7 @@ libgo_go_objs = \
 	old/netchan.lo \
 	old/regexp.lo \
 	old/template.lo \
+	os/exec.lo \
 	$(os_lib_inotify_lo) \
 	os/signal.lo \
 	os/user.lo \
@@ -1734,15 +1739,10 @@ libgo_go_objs = \
 	runtime/pprof.lo \
 	sync/atomic.lo \
 	sync/atomic_c.lo \
-	syscall/syscall.lo \
-	syscall/errno.lo \
-	syscall/signame.lo \
-	syscall/wait.lo \
 	text/scanner.lo \
 	text/tabwriter.lo \
 	text/template.lo \
 	text/template/parse.lo \
-	testing/testing.lo \
 	testing/iotest.lo \
 	testing/quick.lo \
 	unicode/utf16.lo \
@@ -1780,7 +1780,7 @@ BUILDDEPS = \
 BUILDPACKAGE = \
 	$(MKDIR_P) $(@D); \
 	files=`echo $^ | sed -e 's/[^ ]*\.gox//g'`; \
-	$(LTGOCOMPILE) -I . -c -fgo-prefix="libgo_$(@D)" -o $@ $$files
+	$(LTGOCOMPILE) -I . -c -fgo-pkgpath=`echo $@ | sed -e 's/.lo$$//' -e 's/-go$$//'` -o $@ $$files
 
 if LIBGO_IS_RTEMS
 use_dejagnu = yes
@@ -1805,12 +1805,10 @@ CHECK = \
 	LD_LIBRARY_PATH=`echo $${LD_LIBRARY_PATH} | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; \
 	export LD_LIBRARY_PATH; \
 	rm -f $@-testsum $@-testlog; \
-	prefix=`if test "$(@D)" = "regexp"; then echo regexp-test; else dirname $(@D); fi`; \
-	test "$${prefix}" != "." || prefix="$(@D)"; \
 	if test "$(use_dejagnu)" = "yes"; then \
-	  $(SHELL) $(srcdir)/testsuite/gotest --dejagnu=yes --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --prefix="libgo_$${prefix}" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --testname="$(@D)" --goarch="$(GOARCH)" $(GOTESTFLAGS); \
+	  $(SHELL) $(srcdir)/testsuite/gotest --dejagnu=yes --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --pkgpath="$(@D)" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --testname="$(@D)" --goarch="$(GOARCH)" $(GOTESTFLAGS); \
 	else \
-	  if $(SHELL) $(srcdir)/testsuite/gotest --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --prefix="libgo_$${prefix}" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --goarch="$(GOARCH)" $(GOTESTFLAGS) >>$@-testlog 2>&1; then \
+	  if $(SHELL) $(srcdir)/testsuite/gotest --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --pkgpath="$(@D)" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --goarch="$(GOARCH)" $(GOTESTFLAGS) >>$@-testlog 2>&1; then \
 	    echo "PASS: $(@D)" >> $@-testlog; \
 	    echo "PASS: $(@D)"; \
 	    echo "PASS: $(@D)" > $@-testsum; \
@@ -1852,258 +1850,249 @@ CHECK_DEPS = libgo.la libgobegin.a \
 	$(toolexeclibgotexttemplate_DATA) \
 	$(toolexeclibgounicode_DATA)
 
-@go_include@ bufio/bufio.lo.dep
-bufio/bufio.lo.dep: $(go_bufio_files)
+@go_include@ bufio.lo.dep
+bufio.lo.dep: $(go_bufio_files)
 	$(BUILDDEPS)
-bufio/bufio.lo: $(go_bufio_files)
+bufio.lo: $(go_bufio_files)
 	$(BUILDPACKAGE)
 bufio/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: bufio/check
 
-@go_include@ bytes/bytes.lo.dep
-bytes/bytes.lo.dep: $(go_bytes_files)
+@go_include@ bytes.lo.dep
+bytes.lo.dep: $(go_bytes_files)
 	$(BUILDDEPS)
-bytes/bytes.lo: $(go_bytes_files)
+bytes.lo: $(go_bytes_files)
 	$(BUILDPACKAGE)
-bytes/index.lo: $(go_bytes_c_files) bytes/bytes.lo
+bytes/index.lo: $(go_bytes_c_files)
+	@$(MKDIR_P) bytes
 	$(LTCOMPILE) -c -o bytes/index.lo $(srcdir)/go/bytes/indexbyte.c
 bytes/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: bytes/check
 
-@go_include@ crypto/crypto.lo.dep
-crypto/crypto.lo.dep: $(go_crypto_files)
+@go_include@ crypto.lo.dep
+crypto.lo.dep: $(go_crypto_files)
 	$(BUILDDEPS)
-crypto/crypto.lo: $(go_crypto_files)
+crypto.lo: $(go_crypto_files)
 	$(BUILDPACKAGE)
 crypto/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: crypto/check
 
-@go_include@ errors/errors.lo.dep
-errors/errors.lo.dep: $(go_errors_files)
+@go_include@ errors.lo.dep
+errors.lo.dep: $(go_errors_files)
 	$(BUILDDEPS)
-errors/errors.lo: $(go_errors_files)
+errors.lo: $(go_errors_files)
 	$(BUILDPACKAGE)
 errors/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: errors/check
 
-@go_include@ expvar/expvar.lo.dep
-expvar/expvar.lo.dep: $(go_expvar_files)
+@go_include@ expvar.lo.dep
+expvar.lo.dep: $(go_expvar_files)
 	$(BUILDDEPS)
-expvar/expvar.lo: $(go_expvar_files)
+expvar.lo: $(go_expvar_files)
 	$(BUILDPACKAGE)
 expvar/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: expvar/check
 
-@go_include@ flag/flag.lo.dep
-flag/flag.lo.dep: $(go_flag_files)
+@go_include@ flag.lo.dep
+flag.lo.dep: $(go_flag_files)
 	$(BUILDDEPS)
-flag/flag.lo: $(go_flag_files)
+flag.lo: $(go_flag_files)
 	$(BUILDPACKAGE)
 flag/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: flag/check
 
-@go_include@ fmt/fmt.lo.dep
-fmt/fmt.lo.dep: $(go_fmt_files)
+@go_include@ fmt.lo.dep
+fmt.lo.dep: $(go_fmt_files)
 	$(BUILDDEPS)
-fmt/fmt.lo: $(go_fmt_files)
+fmt.lo: $(go_fmt_files)
 	$(BUILDPACKAGE)
 fmt/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: fmt/check
 
-@go_include@ hash/hash.lo.dep
-hash/hash.lo.dep: $(go_hash_files)
+@go_include@ hash.lo.dep
+hash.lo.dep: $(go_hash_files)
 	$(BUILDDEPS)
-hash/hash.lo: $(go_hash_files)
+hash.lo: $(go_hash_files)
 	$(BUILDPACKAGE)
 hash/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: hash/check
 
-@go_include@ html/html.lo.dep
-html/html.lo.dep: $(go_html_files)
+@go_include@ html.lo.dep
+html.lo.dep: $(go_html_files)
 	$(BUILDDEPS)
-html/html.lo: $(go_html_files)
+html.lo: $(go_html_files)
 	$(BUILDPACKAGE)
 html/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: html/check
 
-@go_include@ image/image.lo.dep
-image/image.lo.dep: $(go_image_files)
+@go_include@ image.lo.dep
+image.lo.dep: $(go_image_files)
 	$(BUILDDEPS)
-image/image.lo: $(go_image_files)
+image.lo: $(go_image_files)
 	$(BUILDPACKAGE)
 image/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: image/check
 
-@go_include@ io/io.lo.dep
-io/io.lo.dep: $(go_io_files)
+@go_include@ io.lo.dep
+io.lo.dep: $(go_io_files)
 	$(BUILDDEPS)
-io/io.lo: $(go_io_files)
+io.lo: $(go_io_files)
 	$(BUILDPACKAGE)
 io/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: io/check
 
-@go_include@ log/log.lo.dep
-log/log.lo.dep: $(go_log_files)
+@go_include@ log.lo.dep
+log.lo.dep: $(go_log_files)
 	$(BUILDDEPS)
-log/log.lo: $(go_log_files)
+log.lo: $(go_log_files)
 	$(BUILDPACKAGE)
 log/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: log/check
 
-@go_include@ math/math.lo.dep
-math/math.lo.dep: $(go_math_files)
+@go_include@ math.lo.dep
+math.lo.dep: $(go_math_files)
 	$(BUILDDEPS)
-math/math.lo: $(go_math_files)
+math.lo: $(go_math_files)
 	$(MKDIR_P) $(@D)
 	files=`echo $^ | sed -e 's/[^ ]*\.gox//g'`; \
-	$(LTGOCOMPILE) $(MATH_FLAG) -I . -c -fgo-prefix="libgo_$(@D)" -o $@ $$files
+	$(LTGOCOMPILE) $(MATH_FLAG) -I . -c -fgo-pkgpath=math -o $@ $$files
 math/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: math/check
 
-@go_include@ mime/mime.lo.dep
-mime/mime.lo.dep: $(go_mime_files)
+@go_include@ mime.lo.dep
+mime.lo.dep: $(go_mime_files)
 	$(BUILDDEPS)
-mime/mime.lo: $(go_mime_files)
+mime.lo: $(go_mime_files)
 	$(BUILDPACKAGE)
 mime/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: mime/check
 
-@go_include@ net/net.lo.dep
-net/net.lo.dep: $(go_net_files)
+@go_include@ net.lo.dep
+net.lo.dep: $(go_net_files)
 	$(BUILDDEPS)
-net/net.lo: $(go_net_files)
+net.lo: $(go_net_files)
 	$(BUILDPACKAGE)
 net/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: net/check
 
-@go_include@ os/os.lo.dep
-os/os.lo.dep: $(go_os_files)
+@go_include@ os.lo.dep
+os.lo.dep: $(go_os_files)
 	$(BUILDDEPS)
-os/os.lo: $(go_os_files)
+os.lo: $(go_os_files)
 	$(BUILDPACKAGE)
 os/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: os/check
 
-@go_include@ path/path.lo.dep
-path/path.lo.dep: $(go_path_files)
+@go_include@ path.lo.dep
+path.lo.dep: $(go_path_files)
 	$(BUILDDEPS)
-path/path.lo: $(go_path_files)
+path.lo: $(go_path_files)
 	$(BUILDPACKAGE)
 path/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: path/check
 
-@go_include@ reflect/reflect.lo.dep
-reflect/reflect.lo.dep: $(go_reflect_files)
+@go_include@ reflect-go.lo.dep
+reflect-go.lo.dep: $(go_reflect_files)
 	$(BUILDDEPS)
-reflect/reflect.lo: $(go_reflect_files)
+reflect-go.lo: $(go_reflect_files)
 	$(BUILDPACKAGE)
 reflect/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: reflect/check
 
-@go_include@ regexp/regexp.lo.dep
-regexp/regexp.lo.dep: $(go_regexp_files)
+@go_include@ regexp.lo.dep
+regexp.lo.dep: $(go_regexp_files)
 	$(BUILDDEPS)
-regexp/regexp.lo: $(go_regexp_files)
+regexp.lo: $(go_regexp_files)
 	$(BUILDPACKAGE)
 regexp/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: regexp/check
 
-@go_include@ runtime/runtime.lo.dep
-runtime/runtime.lo.dep: $(go_runtime_files)
+@go_include@ runtime-go.lo.dep
+runtime-go.lo.dep: $(go_runtime_files)
 	$(BUILDDEPS)
-runtime/runtime.lo: $(go_runtime_files)
+runtime-go.lo: $(go_runtime_files)
 	$(BUILDPACKAGE)
 runtime/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: runtime/check
 
-@go_include@ text/scanner.lo.dep
-text/scanner.lo.dep: $(go_text_scanner_files)
-	$(BUILDDEPS)
-text/scanner.lo: $(go_text_scanner_files)
-	$(BUILDPACKAGE)
-text/scanner/check: $(CHECK_DEPS)
-	@$(MKDIR_P) text/scanner
-	@$(CHECK)
-.PHONY: text/scanner/check
-
-@go_include@ sort/sort.lo.dep
-sort/sort.lo.dep: $(go_sort_files)
+@go_include@ sort.lo.dep
+sort.lo.dep: $(go_sort_files)
 	$(BUILDDEPS)
-sort/sort.lo: $(go_sort_files)
+sort.lo: $(go_sort_files)
 	$(BUILDPACKAGE)
 sort/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: sort/check
 
-@go_include@ strconv/strconv.lo.dep
-strconv/strconv.lo.dep: $(go_strconv_files)
+@go_include@ strconv.lo.dep
+strconv.lo.dep: $(go_strconv_files)
 	$(BUILDDEPS)
-strconv/strconv.lo: $(go_strconv_files)
+strconv.lo: $(go_strconv_files)
 	$(BUILDPACKAGE)
 strconv/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: strconv/check
 
-@go_include@ strings/strings.lo.dep
-strings/strings.lo.dep: $(go_strings_files)
+@go_include@ strings.lo.dep
+strings.lo.dep: $(go_strings_files)
 	$(BUILDDEPS)
-strings/strings.lo: $(go_strings_files)
+strings.lo: $(go_strings_files)
 	$(BUILDPACKAGE)
 strings/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: strings/check
 
-@go_include@ sync/sync.lo.dep
-sync/sync.lo.dep: $(go_sync_files)
+@go_include@ sync.lo.dep
+sync.lo.dep: $(go_sync_files)
 	$(BUILDDEPS)
-sync/sync.lo: $(go_sync_files)
+sync.lo: $(go_sync_files)
 	$(BUILDPACKAGE)
 sync/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: sync/check
 
-@go_include@ testing/testing.lo.dep
-testing/testing.lo.dep: $(go_testing_files)
+@go_include@ testing.lo.dep
+testing.lo.dep: $(go_testing_files)
 	$(BUILDDEPS)
-testing/testing.lo: $(go_testing_files)
+testing.lo: $(go_testing_files)
 	$(BUILDPACKAGE)
 testing/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: testing/check
 
-@go_include@ time/time.lo.dep
-time/time.lo.dep: $(go_time_files)
+@go_include@ time-go.lo.dep
+time-go.lo.dep: $(go_time_files)
 	$(BUILDDEPS)
-time/time.lo: $(go_time_files)
+time-go.lo: $(go_time_files)
 	$(BUILDPACKAGE)
 time/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: time/check
 
-@go_include@ unicode/unicode.lo.dep
-unicode/unicode.lo.dep: $(go_unicode_files)
+@go_include@ unicode.lo.dep
+unicode.lo.dep: $(go_unicode_files)
 	$(BUILDDEPS)
-unicode/unicode.lo: $(go_unicode_files)
+unicode.lo: $(go_unicode_files)
 	$(BUILDPACKAGE)
 unicode/check: $(CHECK_DEPS)
 	@$(CHECK)
@@ -3133,6 +3122,16 @@ sync/atomic/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: sync/atomic/check
 
+@go_include@ text/scanner.lo.dep
+text/scanner.lo.dep: $(go_text_scanner_files)
+	$(BUILDDEPS)
+text/scanner.lo: $(go_text_scanner_files)
+	$(BUILDPACKAGE)
+text/scanner/check: $(CHECK_DEPS)
+	@$(MKDIR_P) text/scanner
+	@$(CHECK)
+.PHONY: text/scanner/check
+
 @go_include@ text/tabwriter.lo.dep
 text/tabwriter.lo.dep: $(go_text_tabwriter_files)
 	$(BUILDDEPS)
@@ -3202,16 +3201,19 @@ unicode/utf8/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: unicode/utf8/check
 
-@go_include@ syscall/syscall.lo.dep
-syscall/syscall.lo.dep: $(go_syscall_files)
+@go_include@ syscall.lo.dep
+syscall.lo.dep: $(go_syscall_files)
 	$(BUILDDEPS)
-syscall/syscall.lo: $(go_syscall_files)
+syscall.lo: $(go_syscall_files)
 	$(BUILDPACKAGE)
 syscall/errno.lo: go/syscall/errno.c
+	@$(MKDIR_P) syscall
 	$(LTCOMPILE) -c -o $@ $<
 syscall/signame.lo: go/syscall/signame.c
+	@$(MKDIR_P) syscall
 	$(LTCOMPILE) -c -o $@ $<
 syscall/wait.lo: go/syscall/wait.c
+	@$(MKDIR_P) syscall
 	$(LTCOMPILE) -c -o $@ $<
 
 # How to build a .gox file from a .lo file.
@@ -3219,61 +3221,61 @@ BUILDGOX = \
 	f=`echo $< | sed -e 's/.lo$$/.o/'`; \
 	$(OBJCOPY) -j .go_export $$f $@.tmp && mv -f $@.tmp $@
 
-bufio.gox: bufio/bufio.lo
+bufio.gox: bufio.lo
 	$(BUILDGOX)
-bytes.gox: bytes/bytes.lo
+bytes.gox: bytes.lo
 	$(BUILDGOX)
-crypto.gox: crypto/crypto.lo
+crypto.gox: crypto.lo
 	$(BUILDGOX)
-errors.gox: errors/errors.lo
+errors.gox: errors.lo
 	$(BUILDGOX)
-expvar.gox: expvar/expvar.lo
+expvar.gox: expvar.lo
 	$(BUILDGOX)
-flag.gox: flag/flag.lo
+flag.gox: flag.lo
 	$(BUILDGOX)
-fmt.gox: fmt/fmt.lo
+fmt.gox: fmt.lo
 	$(BUILDGOX)
-hash.gox: hash/hash.lo
+hash.gox: hash.lo
 	$(BUILDGOX)
-html.gox: html/html.lo
+html.gox: html.lo
 	$(BUILDGOX)
-image.gox: image/image.lo
+image.gox: image.lo
 	$(BUILDGOX)
-io.gox: io/io.lo
+io.gox: io.lo
 	$(BUILDGOX)
-log.gox: log/log.lo
+log.gox: log.lo
 	$(BUILDGOX)
-math.gox: math/math.lo
+math.gox: math.lo
 	$(BUILDGOX)
-mime.gox: mime/mime.lo
+mime.gox: mime.lo
 	$(BUILDGOX)
-net.gox: net/net.lo
+net.gox: net.lo
 	$(BUILDGOX)
-os.gox: os/os.lo
+os.gox: os.lo
 	$(BUILDGOX)
-path.gox: path/path.lo
+path.gox: path.lo
 	$(BUILDGOX)
-reflect.gox: reflect/reflect.lo
+reflect.gox: reflect-go.lo
 	$(BUILDGOX)
-regexp.gox: regexp/regexp.lo
+regexp.gox: regexp.lo
 	$(BUILDGOX)
-runtime.gox: runtime/runtime.lo
+runtime.gox: runtime-go.lo
 	$(BUILDGOX)
-sort.gox: sort/sort.lo
+sort.gox: sort.lo
 	$(BUILDGOX)
-strconv.gox: strconv/strconv.lo
+strconv.gox: strconv.lo
 	$(BUILDGOX)
-strings.gox: strings/strings.lo
+strings.gox: strings.lo
 	$(BUILDGOX)
-sync.gox: sync/sync.lo
+sync.gox: sync.lo
 	$(BUILDGOX)
-syscall.gox: syscall/syscall.lo
+syscall.gox: syscall.lo
 	$(BUILDGOX)
-testing.gox: testing/testing.lo
+testing.gox: testing.lo
 	$(BUILDGOX)
-time.gox: time/time.lo
+time.gox: time-go.lo
 	$(BUILDGOX)
-unicode.gox: unicode/unicode.lo
+unicode.gox: unicode.lo
 	$(BUILDGOX)
 
 archive/tar.gox: archive/tar.lo
diff --git a/libgo/Makefile.in b/libgo/Makefile.in
index bbec292fb94..d7a2de65e00 100644
--- a/libgo/Makefile.in
+++ b/libgo/Makefile.in
@@ -133,21 +133,20 @@ am_libgobegin_a_OBJECTS = go-main.$(OBJEXT)
 libgobegin_a_OBJECTS = $(am_libgobegin_a_OBJECTS)
 LTLIBRARIES = $(toolexeclib_LTLIBRARIES)
 am__DEPENDENCIES_1 =
-am__DEPENDENCIES_2 = bufio/bufio.lo bytes/bytes.lo bytes/index.lo \
-	crypto/crypto.lo errors/errors.lo expvar/expvar.lo \
-	flag/flag.lo fmt/fmt.lo hash/hash.lo html/html.lo \
-	image/image.lo io/io.lo log/log.lo math/math.lo net/net.lo \
-	os/exec.lo os/os.lo path/path.lo reflect/reflect.lo \
-	regexp/regexp.lo runtime/runtime.lo sort/sort.lo \
-	strconv/strconv.lo strings/strings.lo sync/sync.lo \
-	time/time.lo unicode/unicode.lo archive/tar.lo archive/zip.lo \
-	compress/bzip2.lo compress/flate.lo compress/gzip.lo \
-	compress/lzw.lo compress/zlib.lo container/heap.lo \
-	container/list.lo container/ring.lo crypto/aes.lo \
-	crypto/cipher.lo crypto/des.lo crypto/dsa.lo crypto/ecdsa.lo \
-	crypto/elliptic.lo crypto/hmac.lo crypto/md5.lo crypto/rand.lo \
-	crypto/rc4.lo crypto/rsa.lo crypto/sha1.lo crypto/sha256.lo \
-	crypto/sha512.lo crypto/subtle.lo crypto/tls.lo crypto/x509.lo \
+am__DEPENDENCIES_2 = bufio.lo bytes.lo bytes/index.lo crypto.lo \
+	errors.lo expvar.lo flag.lo fmt.lo hash.lo html.lo image.lo \
+	io.lo log.lo math.lo mime.lo net.lo os.lo path.lo \
+	reflect-go.lo regexp.lo runtime-go.lo sort.lo strconv.lo \
+	strings.lo sync.lo syscall.lo syscall/errno.lo \
+	syscall/signame.lo syscall/wait.lo testing.lo time-go.lo \
+	unicode.lo archive/tar.lo archive/zip.lo compress/bzip2.lo \
+	compress/flate.lo compress/gzip.lo compress/lzw.lo \
+	compress/zlib.lo container/heap.lo container/list.lo \
+	container/ring.lo crypto/aes.lo crypto/cipher.lo crypto/des.lo \
+	crypto/dsa.lo crypto/ecdsa.lo crypto/elliptic.lo \
+	crypto/hmac.lo crypto/md5.lo crypto/rand.lo crypto/rc4.lo \
+	crypto/rsa.lo crypto/sha1.lo crypto/sha256.lo crypto/sha512.lo \
+	crypto/subtle.lo crypto/tls.lo crypto/x509.lo \
 	crypto/x509/pkix.lo database/sql.lo database/sql/driver.lo \
 	debug/dwarf.lo debug/elf.lo debug/gosym.lo debug/macho.lo \
 	debug/pe.lo encoding/ascii85.lo encoding/asn1.lo \
@@ -163,15 +162,13 @@ am__DEPENDENCIES_2 = bufio/bufio.lo bytes/bytes.lo bytes/index.lo \
 	image/color.lo image/draw.lo image/gif.lo image/jpeg.lo \
 	image/png.lo index/suffixarray.lo io/ioutil.lo log/syslog.lo \
 	log/syslog/syslog_c.lo math/big.lo math/cmplx.lo math/rand.lo \
-	mime/mime.lo mime/multipart.lo net/http.lo net/mail.lo \
-	net/rpc.lo net/smtp.lo net/textproto.lo net/url.lo \
-	old/netchan.lo old/regexp.lo old/template.lo \
-	$(am__DEPENDENCIES_1) os/signal.lo os/user.lo path/filepath.lo \
-	regexp/syntax.lo net/rpc/jsonrpc.lo runtime/debug.lo \
-	runtime/pprof.lo sync/atomic.lo sync/atomic_c.lo \
-	syscall/syscall.lo syscall/errno.lo syscall/signame.lo \
-	syscall/wait.lo text/scanner.lo text/tabwriter.lo \
-	text/template.lo text/template/parse.lo testing/testing.lo \
+	mime/multipart.lo net/http.lo net/mail.lo net/rpc.lo \
+	net/smtp.lo net/textproto.lo net/url.lo old/netchan.lo \
+	old/regexp.lo old/template.lo os/exec.lo $(am__DEPENDENCIES_1) \
+	os/signal.lo os/user.lo path/filepath.lo regexp/syntax.lo \
+	net/rpc/jsonrpc.lo runtime/debug.lo runtime/pprof.lo \
+	sync/atomic.lo sync/atomic_c.lo text/scanner.lo \
+	text/tabwriter.lo text/template.lo text/template/parse.lo \
 	testing/iotest.lo testing/quick.lo unicode/utf16.lo \
 	unicode/utf8.lo
 libgo_la_DEPENDENCIES = $(am__DEPENDENCIES_2) $(am__DEPENDENCIES_1) \
@@ -1848,33 +1845,38 @@ go_syscall_c_files = \
 # os_lib_inotify_lo = os/inotify.lo
 @LIBGO_IS_LINUX_TRUE@os_lib_inotify_lo = 
 libgo_go_objs = \
-	bufio/bufio.lo \
-	bytes/bytes.lo \
+	bufio.lo \
+	bytes.lo \
 	bytes/index.lo \
-	crypto/crypto.lo \
-	errors/errors.lo \
-	expvar/expvar.lo \
-	flag/flag.lo \
-	fmt/fmt.lo \
-	hash/hash.lo \
-	html/html.lo \
-	image/image.lo \
-	io/io.lo \
-	log/log.lo \
-	math/math.lo \
-	net/net.lo \
-	os/exec.lo \
-	os/os.lo \
-	path/path.lo \
-	reflect/reflect.lo \
-	regexp/regexp.lo \
-	runtime/runtime.lo \
-	sort/sort.lo \
-	strconv/strconv.lo \
-	strings/strings.lo \
-	sync/sync.lo \
-	time/time.lo \
-	unicode/unicode.lo \
+	crypto.lo \
+	errors.lo \
+	expvar.lo \
+	flag.lo \
+	fmt.lo \
+	hash.lo \
+	html.lo \
+	image.lo \
+	io.lo \
+	log.lo \
+	math.lo \
+	mime.lo \
+	net.lo \
+	os.lo \
+	path.lo \
+	reflect-go.lo \
+	regexp.lo \
+	runtime-go.lo \
+	sort.lo \
+	strconv.lo \
+	strings.lo \
+	sync.lo \
+	syscall.lo \
+	syscall/errno.lo \
+	syscall/signame.lo \
+	syscall/wait.lo \
+	testing.lo \
+	time-go.lo \
+	unicode.lo \
 	archive/tar.lo \
 	archive/zip.lo \
 	compress/bzip2.lo \
@@ -1957,7 +1959,6 @@ libgo_go_objs = \
 	math/big.lo \
 	math/cmplx.lo \
 	math/rand.lo \
-	mime/mime.lo \
 	mime/multipart.lo \
 	net/http.lo \
 	net/mail.lo \
@@ -1968,6 +1969,7 @@ libgo_go_objs = \
 	old/netchan.lo \
 	old/regexp.lo \
 	old/template.lo \
+	os/exec.lo \
 	$(os_lib_inotify_lo) \
 	os/signal.lo \
 	os/user.lo \
@@ -1978,15 +1980,10 @@ libgo_go_objs = \
 	runtime/pprof.lo \
 	sync/atomic.lo \
 	sync/atomic_c.lo \
-	syscall/syscall.lo \
-	syscall/errno.lo \
-	syscall/signame.lo \
-	syscall/wait.lo \
 	text/scanner.lo \
 	text/tabwriter.lo \
 	text/template.lo \
 	text/template/parse.lo \
-	testing/testing.lo \
 	testing/iotest.lo \
 	testing/quick.lo \
 	unicode/utf16.lo \
@@ -2021,7 +2018,7 @@ BUILDDEPS = \
 BUILDPACKAGE = \
 	$(MKDIR_P) $(@D); \
 	files=`echo $^ | sed -e 's/[^ ]*\.gox//g'`; \
-	$(LTGOCOMPILE) -I . -c -fgo-prefix="libgo_$(@D)" -o $@ $$files
+	$(LTGOCOMPILE) -I . -c -fgo-pkgpath=`echo $@ | sed -e 's/.lo$$//' -e 's/-go$$//'` -o $@ $$files
 
 @LIBGO_IS_RTEMS_FALSE@use_dejagnu = no
 @LIBGO_IS_RTEMS_TRUE@use_dejagnu = yes
@@ -2042,12 +2039,10 @@ CHECK = \
 	LD_LIBRARY_PATH=`echo $${LD_LIBRARY_PATH} | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; \
 	export LD_LIBRARY_PATH; \
 	rm -f $@-testsum $@-testlog; \
-	prefix=`if test "$(@D)" = "regexp"; then echo regexp-test; else dirname $(@D); fi`; \
-	test "$${prefix}" != "." || prefix="$(@D)"; \
 	if test "$(use_dejagnu)" = "yes"; then \
-	  $(SHELL) $(srcdir)/testsuite/gotest --dejagnu=yes --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --prefix="libgo_$${prefix}" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --testname="$(@D)" --goarch="$(GOARCH)" $(GOTESTFLAGS); \
+	  $(SHELL) $(srcdir)/testsuite/gotest --dejagnu=yes --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --pkgpath="$(@D)" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --testname="$(@D)" --goarch="$(GOARCH)" $(GOTESTFLAGS); \
 	else \
-	  if $(SHELL) $(srcdir)/testsuite/gotest --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --prefix="libgo_$${prefix}" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --goarch="$(GOARCH)" $(GOTESTFLAGS) >>$@-testlog 2>&1; then \
+	  if $(SHELL) $(srcdir)/testsuite/gotest --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --pkgpath="$(@D)" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --goarch="$(GOARCH)" $(GOTESTFLAGS) >>$@-testlog 2>&1; then \
 	    echo "PASS: $(@D)" >> $@-testlog; \
 	    echo "PASS: $(@D)"; \
 	    echo "PASS: $(@D)" > $@-testsum; \
@@ -4315,31 +4310,31 @@ goc2c: goc2c.$(OBJEXT)
 	$(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) -o $@ $<
 
 malloc.c: $(srcdir)/runtime/malloc.goc goc2c
-	./goc2c --gcc --go-prefix libgo_runtime $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 mprof.c: $(srcdir)/runtime/mprof.goc goc2c
-	./goc2c --gcc --go-prefix libgo_runtime $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 reflect.c: $(srcdir)/runtime/reflect.goc goc2c
-	./goc2c --gcc --go-prefix libgo_reflect $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 runtime1.c: $(srcdir)/runtime/runtime1.goc goc2c
-	./goc2c --gcc --go-prefix libgo_runtime $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 sema.c: $(srcdir)/runtime/sema.goc goc2c
-	./goc2c --gcc --go-prefix libgo_sync $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 sigqueue.c: $(srcdir)/runtime/sigqueue.goc goc2c
-	./goc2c --gcc --go-prefix libgo_os $< > $@.tmp
+	./goc2c --gcc --go-pkgpath os_signal $< > $@.tmp
 	mv -f $@.tmp $@
 
 time.c: $(srcdir)/runtime/time.goc goc2c
-	./goc2c --gcc --go-prefix libgo_time $< > $@.tmp
+	./goc2c --gcc $< > $@.tmp
 	mv -f $@.tmp $@
 
 %.c: $(srcdir)/runtime/%.goc goc2c
@@ -4408,258 +4403,249 @@ s-epoll: Makefile
 	$(SHELL) $(srcdir)/../move-if-change epoll.go.tmp epoll.go
 	$(STAMP) $@
 
-@go_include@ bufio/bufio.lo.dep
-bufio/bufio.lo.dep: $(go_bufio_files)
+@go_include@ bufio.lo.dep
+bufio.lo.dep: $(go_bufio_files)
 	$(BUILDDEPS)
-bufio/bufio.lo: $(go_bufio_files)
+bufio.lo: $(go_bufio_files)
 	$(BUILDPACKAGE)
 bufio/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: bufio/check
 
-@go_include@ bytes/bytes.lo.dep
-bytes/bytes.lo.dep: $(go_bytes_files)
+@go_include@ bytes.lo.dep
+bytes.lo.dep: $(go_bytes_files)
 	$(BUILDDEPS)
-bytes/bytes.lo: $(go_bytes_files)
+bytes.lo: $(go_bytes_files)
 	$(BUILDPACKAGE)
-bytes/index.lo: $(go_bytes_c_files) bytes/bytes.lo
+bytes/index.lo: $(go_bytes_c_files)
+	@$(MKDIR_P) bytes
 	$(LTCOMPILE) -c -o bytes/index.lo $(srcdir)/go/bytes/indexbyte.c
 bytes/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: bytes/check
 
-@go_include@ crypto/crypto.lo.dep
-crypto/crypto.lo.dep: $(go_crypto_files)
+@go_include@ crypto.lo.dep
+crypto.lo.dep: $(go_crypto_files)
 	$(BUILDDEPS)
-crypto/crypto.lo: $(go_crypto_files)
+crypto.lo: $(go_crypto_files)
 	$(BUILDPACKAGE)
 crypto/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: crypto/check
 
-@go_include@ errors/errors.lo.dep
-errors/errors.lo.dep: $(go_errors_files)
+@go_include@ errors.lo.dep
+errors.lo.dep: $(go_errors_files)
 	$(BUILDDEPS)
-errors/errors.lo: $(go_errors_files)
+errors.lo: $(go_errors_files)
 	$(BUILDPACKAGE)
 errors/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: errors/check
 
-@go_include@ expvar/expvar.lo.dep
-expvar/expvar.lo.dep: $(go_expvar_files)
+@go_include@ expvar.lo.dep
+expvar.lo.dep: $(go_expvar_files)
 	$(BUILDDEPS)
-expvar/expvar.lo: $(go_expvar_files)
+expvar.lo: $(go_expvar_files)
 	$(BUILDPACKAGE)
 expvar/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: expvar/check
 
-@go_include@ flag/flag.lo.dep
-flag/flag.lo.dep: $(go_flag_files)
+@go_include@ flag.lo.dep
+flag.lo.dep: $(go_flag_files)
 	$(BUILDDEPS)
-flag/flag.lo: $(go_flag_files)
+flag.lo: $(go_flag_files)
 	$(BUILDPACKAGE)
 flag/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: flag/check
 
-@go_include@ fmt/fmt.lo.dep
-fmt/fmt.lo.dep: $(go_fmt_files)
+@go_include@ fmt.lo.dep
+fmt.lo.dep: $(go_fmt_files)
 	$(BUILDDEPS)
-fmt/fmt.lo: $(go_fmt_files)
+fmt.lo: $(go_fmt_files)
 	$(BUILDPACKAGE)
 fmt/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: fmt/check
 
-@go_include@ hash/hash.lo.dep
-hash/hash.lo.dep: $(go_hash_files)
+@go_include@ hash.lo.dep
+hash.lo.dep: $(go_hash_files)
 	$(BUILDDEPS)
-hash/hash.lo: $(go_hash_files)
+hash.lo: $(go_hash_files)
 	$(BUILDPACKAGE)
 hash/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: hash/check
 
-@go_include@ html/html.lo.dep
-html/html.lo.dep: $(go_html_files)
+@go_include@ html.lo.dep
+html.lo.dep: $(go_html_files)
 	$(BUILDDEPS)
-html/html.lo: $(go_html_files)
+html.lo: $(go_html_files)
 	$(BUILDPACKAGE)
 html/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: html/check
 
-@go_include@ image/image.lo.dep
-image/image.lo.dep: $(go_image_files)
+@go_include@ image.lo.dep
+image.lo.dep: $(go_image_files)
 	$(BUILDDEPS)
-image/image.lo: $(go_image_files)
+image.lo: $(go_image_files)
 	$(BUILDPACKAGE)
 image/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: image/check
 
-@go_include@ io/io.lo.dep
-io/io.lo.dep: $(go_io_files)
+@go_include@ io.lo.dep
+io.lo.dep: $(go_io_files)
 	$(BUILDDEPS)
-io/io.lo: $(go_io_files)
+io.lo: $(go_io_files)
 	$(BUILDPACKAGE)
 io/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: io/check
 
-@go_include@ log/log.lo.dep
-log/log.lo.dep: $(go_log_files)
+@go_include@ log.lo.dep
+log.lo.dep: $(go_log_files)
 	$(BUILDDEPS)
-log/log.lo: $(go_log_files)
+log.lo: $(go_log_files)
 	$(BUILDPACKAGE)
 log/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: log/check
 
-@go_include@ math/math.lo.dep
-math/math.lo.dep: $(go_math_files)
+@go_include@ math.lo.dep
+math.lo.dep: $(go_math_files)
 	$(BUILDDEPS)
-math/math.lo: $(go_math_files)
+math.lo: $(go_math_files)
 	$(MKDIR_P) $(@D)
 	files=`echo $^ | sed -e 's/[^ ]*\.gox//g'`; \
-	$(LTGOCOMPILE) $(MATH_FLAG) -I . -c -fgo-prefix="libgo_$(@D)" -o $@ $$files
+	$(LTGOCOMPILE) $(MATH_FLAG) -I . -c -fgo-pkgpath=math -o $@ $$files
 math/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: math/check
 
-@go_include@ mime/mime.lo.dep
-mime/mime.lo.dep: $(go_mime_files)
+@go_include@ mime.lo.dep
+mime.lo.dep: $(go_mime_files)
 	$(BUILDDEPS)
-mime/mime.lo: $(go_mime_files)
+mime.lo: $(go_mime_files)
 	$(BUILDPACKAGE)
 mime/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: mime/check
 
-@go_include@ net/net.lo.dep
-net/net.lo.dep: $(go_net_files)
+@go_include@ net.lo.dep
+net.lo.dep: $(go_net_files)
 	$(BUILDDEPS)
-net/net.lo: $(go_net_files)
+net.lo: $(go_net_files)
 	$(BUILDPACKAGE)
 net/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: net/check
 
-@go_include@ os/os.lo.dep
-os/os.lo.dep: $(go_os_files)
+@go_include@ os.lo.dep
+os.lo.dep: $(go_os_files)
 	$(BUILDDEPS)
-os/os.lo: $(go_os_files)
+os.lo: $(go_os_files)
 	$(BUILDPACKAGE)
 os/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: os/check
 
-@go_include@ path/path.lo.dep
-path/path.lo.dep: $(go_path_files)
+@go_include@ path.lo.dep
+path.lo.dep: $(go_path_files)
 	$(BUILDDEPS)
-path/path.lo: $(go_path_files)
+path.lo: $(go_path_files)
 	$(BUILDPACKAGE)
 path/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: path/check
 
-@go_include@ reflect/reflect.lo.dep
-reflect/reflect.lo.dep: $(go_reflect_files)
+@go_include@ reflect-go.lo.dep
+reflect-go.lo.dep: $(go_reflect_files)
 	$(BUILDDEPS)
-reflect/reflect.lo: $(go_reflect_files)
+reflect-go.lo: $(go_reflect_files)
 	$(BUILDPACKAGE)
 reflect/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: reflect/check
 
-@go_include@ regexp/regexp.lo.dep
-regexp/regexp.lo.dep: $(go_regexp_files)
+@go_include@ regexp.lo.dep
+regexp.lo.dep: $(go_regexp_files)
 	$(BUILDDEPS)
-regexp/regexp.lo: $(go_regexp_files)
+regexp.lo: $(go_regexp_files)
 	$(BUILDPACKAGE)
 regexp/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: regexp/check
 
-@go_include@ runtime/runtime.lo.dep
-runtime/runtime.lo.dep: $(go_runtime_files)
+@go_include@ runtime-go.lo.dep
+runtime-go.lo.dep: $(go_runtime_files)
 	$(BUILDDEPS)
-runtime/runtime.lo: $(go_runtime_files)
+runtime-go.lo: $(go_runtime_files)
 	$(BUILDPACKAGE)
 runtime/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: runtime/check
 
-@go_include@ text/scanner.lo.dep
-text/scanner.lo.dep: $(go_text_scanner_files)
-	$(BUILDDEPS)
-text/scanner.lo: $(go_text_scanner_files)
-	$(BUILDPACKAGE)
-text/scanner/check: $(CHECK_DEPS)
-	@$(MKDIR_P) text/scanner
-	@$(CHECK)
-.PHONY: text/scanner/check
-
-@go_include@ sort/sort.lo.dep
-sort/sort.lo.dep: $(go_sort_files)
+@go_include@ sort.lo.dep
+sort.lo.dep: $(go_sort_files)
 	$(BUILDDEPS)
-sort/sort.lo: $(go_sort_files)
+sort.lo: $(go_sort_files)
 	$(BUILDPACKAGE)
 sort/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: sort/check
 
-@go_include@ strconv/strconv.lo.dep
-strconv/strconv.lo.dep: $(go_strconv_files)
+@go_include@ strconv.lo.dep
+strconv.lo.dep: $(go_strconv_files)
 	$(BUILDDEPS)
-strconv/strconv.lo: $(go_strconv_files)
+strconv.lo: $(go_strconv_files)
 	$(BUILDPACKAGE)
 strconv/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: strconv/check
 
-@go_include@ strings/strings.lo.dep
-strings/strings.lo.dep: $(go_strings_files)
+@go_include@ strings.lo.dep
+strings.lo.dep: $(go_strings_files)
 	$(BUILDDEPS)
-strings/strings.lo: $(go_strings_files)
+strings.lo: $(go_strings_files)
 	$(BUILDPACKAGE)
 strings/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: strings/check
 
-@go_include@ sync/sync.lo.dep
-sync/sync.lo.dep: $(go_sync_files)
+@go_include@ sync.lo.dep
+sync.lo.dep: $(go_sync_files)
 	$(BUILDDEPS)
-sync/sync.lo: $(go_sync_files)
+sync.lo: $(go_sync_files)
 	$(BUILDPACKAGE)
 sync/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: sync/check
 
-@go_include@ testing/testing.lo.dep
-testing/testing.lo.dep: $(go_testing_files)
+@go_include@ testing.lo.dep
+testing.lo.dep: $(go_testing_files)
 	$(BUILDDEPS)
-testing/testing.lo: $(go_testing_files)
+testing.lo: $(go_testing_files)
 	$(BUILDPACKAGE)
 testing/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: testing/check
 
-@go_include@ time/time.lo.dep
-time/time.lo.dep: $(go_time_files)
+@go_include@ time-go.lo.dep
+time-go.lo.dep: $(go_time_files)
 	$(BUILDDEPS)
-time/time.lo: $(go_time_files)
+time-go.lo: $(go_time_files)
 	$(BUILDPACKAGE)
 time/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: time/check
 
-@go_include@ unicode/unicode.lo.dep
-unicode/unicode.lo.dep: $(go_unicode_files)
+@go_include@ unicode.lo.dep
+unicode.lo.dep: $(go_unicode_files)
 	$(BUILDDEPS)
-unicode/unicode.lo: $(go_unicode_files)
+unicode.lo: $(go_unicode_files)
 	$(BUILDPACKAGE)
 unicode/check: $(CHECK_DEPS)
 	@$(CHECK)
@@ -5689,6 +5675,16 @@ sync/atomic/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: sync/atomic/check
 
+@go_include@ text/scanner.lo.dep
+text/scanner.lo.dep: $(go_text_scanner_files)
+	$(BUILDDEPS)
+text/scanner.lo: $(go_text_scanner_files)
+	$(BUILDPACKAGE)
+text/scanner/check: $(CHECK_DEPS)
+	@$(MKDIR_P) text/scanner
+	@$(CHECK)
+.PHONY: text/scanner/check
+
 @go_include@ text/tabwriter.lo.dep
 text/tabwriter.lo.dep: $(go_text_tabwriter_files)
 	$(BUILDDEPS)
@@ -5758,73 +5754,76 @@ unicode/utf8/check: $(CHECK_DEPS)
 	@$(CHECK)
 .PHONY: unicode/utf8/check
 
-@go_include@ syscall/syscall.lo.dep
-syscall/syscall.lo.dep: $(go_syscall_files)
+@go_include@ syscall.lo.dep
+syscall.lo.dep: $(go_syscall_files)
 	$(BUILDDEPS)
-syscall/syscall.lo: $(go_syscall_files)
+syscall.lo: $(go_syscall_files)
 	$(BUILDPACKAGE)
 syscall/errno.lo: go/syscall/errno.c
+	@$(MKDIR_P) syscall
 	$(LTCOMPILE) -c -o $@ $<
 syscall/signame.lo: go/syscall/signame.c
+	@$(MKDIR_P) syscall
 	$(LTCOMPILE) -c -o $@ $<
 syscall/wait.lo: go/syscall/wait.c
+	@$(MKDIR_P) syscall
 	$(LTCOMPILE) -c -o $@ $<
 
-bufio.gox: bufio/bufio.lo
+bufio.gox: bufio.lo
 	$(BUILDGOX)
-bytes.gox: bytes/bytes.lo
+bytes.gox: bytes.lo
 	$(BUILDGOX)
-crypto.gox: crypto/crypto.lo
+crypto.gox: crypto.lo
 	$(BUILDGOX)
-errors.gox: errors/errors.lo
+errors.gox: errors.lo
 	$(BUILDGOX)
-expvar.gox: expvar/expvar.lo
+expvar.gox: expvar.lo
 	$(BUILDGOX)
-flag.gox: flag/flag.lo
+flag.gox: flag.lo
 	$(BUILDGOX)
-fmt.gox: fmt/fmt.lo
+fmt.gox: fmt.lo
 	$(BUILDGOX)
-hash.gox: hash/hash.lo
+hash.gox: hash.lo
 	$(BUILDGOX)
-html.gox: html/html.lo
+html.gox: html.lo
 	$(BUILDGOX)
-image.gox: image/image.lo
+image.gox: image.lo
 	$(BUILDGOX)
-io.gox: io/io.lo
+io.gox: io.lo
 	$(BUILDGOX)
-log.gox: log/log.lo
+log.gox: log.lo
 	$(BUILDGOX)
-math.gox: math/math.lo
+math.gox: math.lo
 	$(BUILDGOX)
-mime.gox: mime/mime.lo
+mime.gox: mime.lo
 	$(BUILDGOX)
-net.gox: net/net.lo
+net.gox: net.lo
 	$(BUILDGOX)
-os.gox: os/os.lo
+os.gox: os.lo
 	$(BUILDGOX)
-path.gox: path/path.lo
+path.gox: path.lo
 	$(BUILDGOX)
-reflect.gox: reflect/reflect.lo
+reflect.gox: reflect-go.lo
 	$(BUILDGOX)
-regexp.gox: regexp/regexp.lo
+regexp.gox: regexp.lo
 	$(BUILDGOX)
-runtime.gox: runtime/runtime.lo
+runtime.gox: runtime-go.lo
 	$(BUILDGOX)
-sort.gox: sort/sort.lo
+sort.gox: sort.lo
 	$(BUILDGOX)
-strconv.gox: strconv/strconv.lo
+strconv.gox: strconv.lo
 	$(BUILDGOX)
-strings.gox: strings/strings.lo
+strings.gox: strings.lo
 	$(BUILDGOX)
-sync.gox: sync/sync.lo
+sync.gox: sync.lo
 	$(BUILDGOX)
-syscall.gox: syscall/syscall.lo
+syscall.gox: syscall.lo
 	$(BUILDGOX)
-testing.gox: testing/testing.lo
+testing.gox: testing.lo
 	$(BUILDGOX)
-time.gox: time/time.lo
+time.gox: time-go.lo
 	$(BUILDGOX)
-unicode.gox: unicode/unicode.lo
+unicode.gox: unicode.lo
 	$(BUILDGOX)
 
 archive/tar.gox: archive/tar.lo
diff --git a/libgo/go/bytes/indexbyte.c b/libgo/go/bytes/indexbyte.c
index 8213b3e3442..8986d1056e0 100644
--- a/libgo/go/bytes/indexbyte.c
+++ b/libgo/go/bytes/indexbyte.c
@@ -13,7 +13,7 @@
    library function, which shouldn't need much stack space.  */
 
 int IndexByte (struct __go_open_array, char)
-  asm ("libgo_bytes.bytes.IndexByte")
+  asm ("bytes.IndexByte")
   __attribute__ ((no_split_stack));
 
 int
@@ -30,7 +30,7 @@ IndexByte (struct __go_open_array s, char b)
 /* Comparison.  */
 
 _Bool Equal (struct __go_open_array a, struct __go_open_array b)
-  asm ("libgo_bytes.bytes.Equal")
+  asm ("bytes.Equal")
   __attribute__ ((no_split_stack));
 
 _Bool
diff --git a/libgo/go/encoding/xml/marshal_test.go b/libgo/go/encoding/xml/marshal_test.go
index b6978a1e65b..6f0ecfc233b 100644
--- a/libgo/go/encoding/xml/marshal_test.go
+++ b/libgo/go/encoding/xml/marshal_test.go
@@ -726,7 +726,7 @@ var marshalErrorTests = []struct {
 	},
 	{
 		Value: map[*Ship]bool{nil: false},
-		Err:   "xml: unsupported type: map[*xml.Ship]bool",
+		Err:   "xml: unsupported type: map[*encoding/xml.Ship]bool",
 		Kind:  reflect.Map,
 	},
 	{
diff --git a/libgo/go/html/template/escape_test.go b/libgo/go/html/template/escape_test.go
index ce12c1795c2..6670be9a195 100644
--- a/libgo/go/html/template/escape_test.go
+++ b/libgo/go/html/template/escape_test.go
@@ -226,7 +226,7 @@ func TestEscape(t *testing.T) {
 		{
 			"badMarshaler",
 			`<button onclick='alert(1/{{.B}}in numbers)'>`,
-			`<button onclick='alert(1/ /* json: error calling MarshalJSON for type *template.badMarshaler: invalid character &#39;f&#39; looking for beginning of object key string */null in numbers)'>`,
+			`<button onclick='alert(1/ /* json: error calling MarshalJSON for type *html/template.badMarshaler: invalid character &#39;f&#39; looking for beginning of object key string */null in numbers)'>`,
 		},
 		{
 			"jsMarshaler",
diff --git a/libgo/go/reflect/all_test.go b/libgo/go/reflect/all_test.go
index c35dc26e90d..e946c0adfca 100644
--- a/libgo/go/reflect/all_test.go
+++ b/libgo/go/reflect/all_test.go
@@ -1383,7 +1383,7 @@ func TestImportPath(t *testing.T) {
 		t    Type
 		path string
 	}{
-		{TypeOf(&base64.Encoding{}).Elem(), "libgo_encoding.base64"},
+		{TypeOf(&base64.Encoding{}).Elem(), "encoding/base64"},
 		{TypeOf(uint(0)), ""},
 		{TypeOf(map[string]int{}), ""},
 		{TypeOf((*error)(nil)).Elem(), ""},
diff --git a/libgo/go/regexp/all_test.go b/libgo/go/regexp/all_test.go
index f7b41a67416..39a28dfc322 100644
--- a/libgo/go/regexp/all_test.go
+++ b/libgo/go/regexp/all_test.go
@@ -2,9 +2,10 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package regexp
+package regexp_test
 
 import (
+	. "regexp"
 	"strings"
 	"testing"
 )
diff --git a/libgo/go/regexp/exec_test.go b/libgo/go/regexp/exec_test.go
index e668574a514..a84bedc69d7 100644
--- a/libgo/go/regexp/exec_test.go
+++ b/libgo/go/regexp/exec_test.go
@@ -2,9 +2,11 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package regexp
+package regexp_test
 
 import (
+	. "regexp"
+
 	"bufio"
 	"compress/bzip2"
 	"fmt"
@@ -219,22 +221,22 @@ var run = []func(*Regexp, *Regexp, string) ([]int, string){
 }
 
 func runFull(re, refull *Regexp, text string) ([]int, string) {
-	refull.longest = false
+	refull.SetLongest(false)
 	return refull.FindStringSubmatchIndex(text), "[full]"
 }
 
 func runPartial(re, refull *Regexp, text string) ([]int, string) {
-	re.longest = false
+	re.SetLongest(false)
 	return re.FindStringSubmatchIndex(text), ""
 }
 
 func runFullLongest(re, refull *Regexp, text string) ([]int, string) {
-	refull.longest = true
+	refull.SetLongest(true)
 	return refull.FindStringSubmatchIndex(text), "[full,longest]"
 }
 
 func runPartialLongest(re, refull *Regexp, text string) ([]int, string) {
-	re.longest = true
+	re.SetLongest(true)
 	return re.FindStringSubmatchIndex(text), "[longest]"
 }
 
@@ -246,22 +248,22 @@ var match = []func(*Regexp, *Regexp, string) (bool, string){
 }
 
 func matchFull(re, refull *Regexp, text string) (bool, string) {
-	refull.longest = false
+	refull.SetLongest(false)
 	return refull.MatchString(text), "[full]"
 }
 
 func matchPartial(re, refull *Regexp, text string) (bool, string) {
-	re.longest = false
+	re.SetLongest(false)
 	return re.MatchString(text), ""
 }
 
 func matchFullLongest(re, refull *Regexp, text string) (bool, string) {
-	refull.longest = true
+	refull.SetLongest(true)
 	return refull.MatchString(text), "[full,longest]"
 }
 
 func matchPartialLongest(re, refull *Regexp, text string) (bool, string) {
-	re.longest = true
+	re.SetLongest(true)
 	return re.MatchString(text), "[longest]"
 }
 
@@ -541,7 +543,7 @@ Reading:
 				}
 			}
 
-			re, err := compile(pattern, syn, true)
+			re, err := CompileInternal(pattern, syn, true)
 			if err != nil {
 				if shouldCompile {
 					t.Errorf("%s:%d: %#q did not compile", file, lineno, pattern)
diff --git a/libgo/go/regexp/export_test.go b/libgo/go/regexp/export_test.go
new file mode 100644
index 00000000000..25080ad19ce
--- /dev/null
+++ b/libgo/go/regexp/export_test.go
@@ -0,0 +1,15 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package regexp
+
+import "regexp/syntax"
+
+func (re *Regexp) SetLongest(b bool) {
+	re.longest = b
+}
+
+func CompileInternal(expr string, mode syntax.Flags, longest bool) (*Regexp, error) {
+	return compile(expr, mode, longest)
+}
diff --git a/libgo/go/regexp/find_test.go b/libgo/go/regexp/find_test.go
index e07eb7d5c05..25930160f84 100644
--- a/libgo/go/regexp/find_test.go
+++ b/libgo/go/regexp/find_test.go
@@ -2,9 +2,11 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package regexp
+package regexp_test
 
 import (
+	. "regexp"
+
 	"fmt"
 	"strings"
 	"testing"
diff --git a/libgo/go/sync/atomic/atomic.c b/libgo/go/sync/atomic/atomic.c
index e5de5ee3c79..14bc7895621 100644
--- a/libgo/go/sync/atomic/atomic.c
+++ b/libgo/go/sync/atomic/atomic.c
@@ -7,7 +7,7 @@
 #include <stdint.h>
 
 _Bool CompareAndSwapInt32 (int32_t *, int32_t, int32_t)
-  asm ("libgo_sync.atomic.CompareAndSwapInt32");
+  asm ("sync_atomic.CompareAndSwapInt32");
 
 _Bool
 CompareAndSwapInt32 (int32_t *val, int32_t old, int32_t new)
@@ -16,7 +16,7 @@ CompareAndSwapInt32 (int32_t *val, int32_t old, int32_t new)
 }
 
 _Bool CompareAndSwapInt64 (int64_t *, int64_t, int64_t)
-  asm ("libgo_sync.atomic.CompareAndSwapInt64");
+  asm ("sync_atomic.CompareAndSwapInt64");
 
 _Bool
 CompareAndSwapInt64 (int64_t *val, int64_t old, int64_t new)
@@ -25,7 +25,7 @@ CompareAndSwapInt64 (int64_t *val, int64_t old, int64_t new)
 }
 
 _Bool CompareAndSwapUint32 (uint32_t *, uint32_t, uint32_t)
-  asm ("libgo_sync.atomic.CompareAndSwapUint32");
+  asm ("sync_atomic.CompareAndSwapUint32");
 
 _Bool
 CompareAndSwapUint32 (uint32_t *val, uint32_t old, uint32_t new)
@@ -34,7 +34,7 @@ CompareAndSwapUint32 (uint32_t *val, uint32_t old, uint32_t new)
 }
 
 _Bool CompareAndSwapUint64 (uint64_t *, uint64_t, uint64_t)
-  asm ("libgo_sync.atomic.CompareAndSwapUint64");
+  asm ("sync_atomic.CompareAndSwapUint64");
 
 _Bool
 CompareAndSwapUint64 (uint64_t *val, uint64_t old, uint64_t new)
@@ -43,7 +43,7 @@ CompareAndSwapUint64 (uint64_t *val, uint64_t old, uint64_t new)
 }
 
 _Bool CompareAndSwapUintptr (uintptr_t *, uintptr_t, uintptr_t)
-  asm ("libgo_sync.atomic.CompareAndSwapUintptr");
+  asm ("sync_atomic.CompareAndSwapUintptr");
 
 _Bool
 CompareAndSwapUintptr (uintptr_t *val, uintptr_t old, uintptr_t new)
@@ -52,7 +52,7 @@ CompareAndSwapUintptr (uintptr_t *val, uintptr_t old, uintptr_t new)
 }
 
 _Bool CompareAndSwapPointer (void **, void *, void *)
-  asm ("libgo_sync.atomic.CompareAndSwapPointer");
+  asm ("sync_atomic.CompareAndSwapPointer");
 
 _Bool
 CompareAndSwapPointer (void **val, void *old, void *new)
@@ -61,7 +61,7 @@ CompareAndSwapPointer (void **val, void *old, void *new)
 }
 
 int32_t AddInt32 (int32_t *, int32_t)
-  asm ("libgo_sync.atomic.AddInt32");
+  asm ("sync_atomic.AddInt32");
 
 int32_t
 AddInt32 (int32_t *val, int32_t delta)
@@ -70,7 +70,7 @@ AddInt32 (int32_t *val, int32_t delta)
 }
 
 uint32_t AddUint32 (uint32_t *, uint32_t)
-  asm ("libgo_sync.atomic.AddUint32");
+  asm ("sync_atomic.AddUint32");
 
 uint32_t
 AddUint32 (uint32_t *val, uint32_t delta)
@@ -79,7 +79,7 @@ AddUint32 (uint32_t *val, uint32_t delta)
 }
 
 int64_t AddInt64 (int64_t *, int64_t)
-  asm ("libgo_sync.atomic.AddInt64");
+  asm ("sync_atomic.AddInt64");
 
 int64_t
 AddInt64 (int64_t *val, int64_t delta)
@@ -88,7 +88,7 @@ AddInt64 (int64_t *val, int64_t delta)
 }
 
 uint64_t AddUint64 (uint64_t *, uint64_t)
-  asm ("libgo_sync.atomic.AddUint64");
+  asm ("sync_atomic.AddUint64");
 
 uint64_t
 AddUint64 (uint64_t *val, uint64_t delta)
@@ -97,7 +97,7 @@ AddUint64 (uint64_t *val, uint64_t delta)
 }
 
 uintptr_t AddUintptr (uintptr_t *, uintptr_t)
-  asm ("libgo_sync.atomic.AddUintptr");
+  asm ("sync_atomic.AddUintptr");
 
 uintptr_t
 AddUintptr (uintptr_t *val, uintptr_t delta)
@@ -106,7 +106,7 @@ AddUintptr (uintptr_t *val, uintptr_t delta)
 }
 
 int32_t LoadInt32 (int32_t *addr)
-  asm ("libgo_sync.atomic.LoadInt32");
+  asm ("sync_atomic.LoadInt32");
 
 int32_t
 LoadInt32 (int32_t *addr)
@@ -120,7 +120,7 @@ LoadInt32 (int32_t *addr)
 }
 
 int64_t LoadInt64 (int64_t *addr)
-  asm ("libgo_sync.atomic.LoadInt64");
+  asm ("sync_atomic.LoadInt64");
 
 int64_t
 LoadInt64 (int64_t *addr)
@@ -134,7 +134,7 @@ LoadInt64 (int64_t *addr)
 }
 
 uint32_t LoadUint32 (uint32_t *addr)
-  asm ("libgo_sync.atomic.LoadUint32");
+  asm ("sync_atomic.LoadUint32");
 
 uint32_t
 LoadUint32 (uint32_t *addr)
@@ -148,7 +148,7 @@ LoadUint32 (uint32_t *addr)
 }
 
 uint64_t LoadUint64 (uint64_t *addr)
-  asm ("libgo_sync.atomic.LoadUint64");
+  asm ("sync_atomic.LoadUint64");
 
 uint64_t
 LoadUint64 (uint64_t *addr)
@@ -162,7 +162,7 @@ LoadUint64 (uint64_t *addr)
 }
 
 uintptr_t LoadUintptr (uintptr_t *addr)
-  asm ("libgo_sync.atomic.LoadUintptr");
+  asm ("sync_atomic.LoadUintptr");
 
 uintptr_t
 LoadUintptr (uintptr_t *addr)
@@ -176,7 +176,7 @@ LoadUintptr (uintptr_t *addr)
 }
 
 void *LoadPointer (void **addr)
-  asm ("libgo_sync.atomic.LoadPointer");
+  asm ("sync_atomic.LoadPointer");
 
 void *
 LoadPointer (void **addr)
@@ -190,7 +190,7 @@ LoadPointer (void **addr)
 }
 
 void StoreInt32 (int32_t *addr, int32_t val)
-  asm ("libgo_sync.atomic.StoreInt32");
+  asm ("sync_atomic.StoreInt32");
 
 void
 StoreInt32 (int32_t *addr, int32_t val)
@@ -203,7 +203,7 @@ StoreInt32 (int32_t *addr, int32_t val)
 }
 
 void StoreInt64 (int64_t *addr, int64_t val)
-  asm ("libgo_sync.atomic.StoreInt64");
+  asm ("sync_atomic.StoreInt64");
 
 void
 StoreInt64 (int64_t *addr, int64_t val)
@@ -216,7 +216,7 @@ StoreInt64 (int64_t *addr, int64_t val)
 }
 
 void StoreUint32 (uint32_t *addr, uint32_t val)
-  asm ("libgo_sync.atomic.StoreUint32");
+  asm ("sync_atomic.StoreUint32");
 
 void
 StoreUint32 (uint32_t *addr, uint32_t val)
@@ -229,7 +229,7 @@ StoreUint32 (uint32_t *addr, uint32_t val)
 }
 
 void StoreUint64 (uint64_t *addr, uint64_t val)
-  asm ("libgo_sync.atomic.StoreUint64");
+  asm ("sync_atomic.StoreUint64");
 
 void
 StoreUint64 (uint64_t *addr, uint64_t val)
@@ -242,7 +242,7 @@ StoreUint64 (uint64_t *addr, uint64_t val)
 }
 
 void StoreUintptr (uintptr_t *addr, uintptr_t val)
-  asm ("libgo_sync.atomic.StoreUintptr");
+  asm ("sync_atomic.StoreUintptr");
 
 void
 StoreUintptr (uintptr_t *addr, uintptr_t val)
@@ -255,7 +255,7 @@ StoreUintptr (uintptr_t *addr, uintptr_t val)
 }
 
 void StorePointer (void **addr, void *val)
-  asm ("libgo_sync.atomic.StorePointer");
+  asm ("sync_atomic.StorePointer");
 
 void
 StorePointer (void **addr, void *val)
diff --git a/libgo/go/syscall/errno.c b/libgo/go/syscall/errno.c
index 8e57811151a..d01f4c973d7 100644
--- a/libgo/go/syscall/errno.c
+++ b/libgo/go/syscall/errno.c
@@ -10,8 +10,8 @@
 /* errno is typically a macro. These functions set 
    and get errno specific to the libc being used.  */
 
-uintptr_t GetErrno() asm ("libgo_syscall.syscall.GetErrno");
-void SetErrno(uintptr_t) asm ("libgo_syscall.syscall.SetErrno");
+uintptr_t GetErrno() asm ("syscall.GetErrno");
+void SetErrno(uintptr_t) asm ("syscall.SetErrno");
 
 uintptr_t
 GetErrno()
diff --git a/libgo/go/syscall/signame.c b/libgo/go/syscall/signame.c
index f2ff85a9a02..63422889c33 100644
--- a/libgo/go/syscall/signame.c
+++ b/libgo/go/syscall/signame.c
@@ -11,7 +11,7 @@
 #include "arch.h"
 #include "malloc.h"
 
-String Signame (int sig) asm ("libgo_syscall.syscall.Signame");
+String Signame (int sig) asm ("syscall.Signame");
 
 String
 Signame (int sig)
diff --git a/libgo/go/syscall/wait.c b/libgo/go/syscall/wait.c
index fd7b65e2414..98ad245c2c4 100644
--- a/libgo/go/syscall/wait.c
+++ b/libgo/go/syscall/wait.c
@@ -11,7 +11,7 @@
 #include <sys/wait.h>
 
 extern _Bool Exited (uint32_t *w)
-  __asm__ ("libgo_syscall.syscall.Exited.N32_libgo_syscall.syscall.WaitStatus");
+  __asm__ ("syscall.Exited.N18_syscall.WaitStatus");
 
 _Bool
 Exited (uint32_t *w)
@@ -20,7 +20,7 @@ Exited (uint32_t *w)
 }
 
 extern _Bool Signaled (uint32_t *w)
-  __asm__ ("libgo_syscall.syscall.Signaled.N32_libgo_syscall.syscall.WaitStatus");
+  __asm__ ("syscall.Signaled.N18_syscall.WaitStatus");
 
 _Bool
 Signaled (uint32_t *w)
@@ -29,7 +29,7 @@ Signaled (uint32_t *w)
 }
 
 extern _Bool Stopped (uint32_t *w)
-  __asm__ ("libgo_syscall.syscall.Stopped.N32_libgo_syscall.syscall.WaitStatus");
+  __asm__ ("syscall.Stopped.N18_syscall.WaitStatus");
 
 _Bool
 Stopped (uint32_t *w)
@@ -38,7 +38,7 @@ Stopped (uint32_t *w)
 }
 
 extern _Bool Continued (uint32_t *w)
-  __asm__ ("libgo_syscall.syscall.Continued.N32_libgo_syscall.syscall.WaitStatus");
+  __asm__ ("syscall.Continued.N18_syscall.WaitStatus");
 
 _Bool
 Continued (uint32_t *w)
@@ -47,7 +47,7 @@ Continued (uint32_t *w)
 }
 
 extern _Bool CoreDump (uint32_t *w)
-  __asm__ ("libgo_syscall.syscall.CoreDump.N32_libgo_syscall.syscall.WaitStatus");
+  __asm__ ("syscall.CoreDump.N18_syscall.WaitStatus");
 
 _Bool
 CoreDump (uint32_t *w)
@@ -56,7 +56,7 @@ CoreDump (uint32_t *w)
 }
 
 extern int ExitStatus (uint32_t *w)
-  __asm__ ("libgo_syscall.syscall.ExitStatus.N32_libgo_syscall.syscall.WaitStatus");
+  __asm__ ("syscall.ExitStatus.N18_syscall.WaitStatus");
 
 int
 ExitStatus (uint32_t *w)
@@ -67,7 +67,7 @@ ExitStatus (uint32_t *w)
 }
 
 extern int Signal (uint32_t *w)
-  __asm__ ("libgo_syscall.syscall.Signal.N32_libgo_syscall.syscall.WaitStatus");
+  __asm__ ("syscall.Signal.N18_syscall.WaitStatus");
 
 int
 Signal (uint32_t *w)
@@ -78,7 +78,7 @@ Signal (uint32_t *w)
 }
 
 extern int StopSignal (uint32_t *w)
-  __asm__ ("libgo_syscall.syscall.StopSignal.N32_libgo_syscall.syscall.WaitStatus");
+  __asm__ ("syscall.StopSignal.N18_syscall.WaitStatus");
 
 int
 StopSignal (uint32_t *w)
@@ -89,7 +89,7 @@ StopSignal (uint32_t *w)
 }
 
 extern int TrapCause (uint32_t *w)
-  __asm__ ("libgo_syscall.syscall.TrapCause.N32_libgo_syscall.syscall.WaitStatus");
+  __asm__ ("syscall.TrapCause.N18_syscall.WaitStatus");
 
 int
 TrapCause (uint32_t *w __attribute__ ((unused)))
diff --git a/libgo/runtime/chan.c b/libgo/runtime/chan.c
index db91d2c49ea..7cf307f0378 100644
--- a/libgo/runtime/chan.c
+++ b/libgo/runtime/chan.c
@@ -109,7 +109,7 @@ runtime_makechan_c(ChanType *t, int64 hint)
 // For reflect
 //	func makechan(typ *ChanType, size uint32) (chan)
 uintptr reflect_makechan(ChanType *, uint32)
-  asm ("libgo_reflect.reflect.makechan");
+  asm ("reflect.makechan");
 
 uintptr
 reflect_makechan(ChanType *t, uint32 size)
@@ -568,7 +568,7 @@ runtime_selectnbrecv2(ChanType *t, byte *v, _Bool *received, Hchan *c)
 // the actual data if it fits, or else a pointer to the data.
 
 _Bool reflect_chansend(ChanType *, Hchan *, uintptr, _Bool)
-  __asm__("libgo_reflect.reflect.chansend");
+  __asm__("reflect.chansend");
 
 _Bool
 reflect_chansend(ChanType *t, Hchan *c, uintptr val, _Bool nb)
@@ -605,7 +605,7 @@ struct chanrecv_ret
 };
 
 struct chanrecv_ret reflect_chanrecv(ChanType *, Hchan *, _Bool)
-  __asm__("libgo_reflect.reflect.chanrecv");
+  __asm__("reflect.chanrecv");
 
 struct chanrecv_ret
 reflect_chanrecv(ChanType *t, Hchan *c, _Bool nb)
@@ -1161,7 +1161,7 @@ __go_builtin_close(Hchan *c)
 // For reflect
 //	func chanclose(c chan)
 
-void reflect_chanclose(uintptr) __asm__("libgo_reflect.reflect.chanclose");
+void reflect_chanclose(uintptr) __asm__("reflect.chanclose");
 
 void
 reflect_chanclose(uintptr c)
@@ -1172,7 +1172,7 @@ reflect_chanclose(uintptr c)
 // For reflect
 //	func chanlen(c chan) (len int32)
 
-int32 reflect_chanlen(uintptr) __asm__("libgo_reflect.reflect.chanlen");
+int32 reflect_chanlen(uintptr) __asm__("reflect.chanlen");
 
 int32
 reflect_chanlen(uintptr ca)
@@ -1197,7 +1197,7 @@ __go_chan_len(Hchan *c)
 // For reflect
 //	func chancap(c chan) (cap int32)
 
-int32 reflect_chancap(uintptr) __asm__("libgo_reflect.reflect.chancap");
+int32 reflect_chancap(uintptr) __asm__("reflect.chancap");
 
 int32
 reflect_chancap(uintptr ca)
diff --git a/libgo/runtime/cpuprof.c b/libgo/runtime/cpuprof.c
index 5e3fc99d914..252948d6659 100644
--- a/libgo/runtime/cpuprof.c
+++ b/libgo/runtime/cpuprof.c
@@ -122,7 +122,7 @@ static void LostProfileData(void) {
 }
 
 extern void runtime_SetCPUProfileRate(int32)
-     __asm__("libgo_runtime.runtime.SetCPUProfileRate");
+     __asm__("runtime.SetCPUProfileRate");
 
 // SetCPUProfileRate sets the CPU profiling rate.
 // The user documentation is in debug.go.
@@ -422,7 +422,7 @@ breakflush:
 }
 
 extern Slice runtime_CPUProfile(void)
-     __asm__("libgo_runtime.runtime.CPUProfile");
+     __asm__("runtime.CPUProfile");
 
 // CPUProfile returns the next cpu profile block as a []byte.
 // The user documentation is in debug.go.
diff --git a/libgo/runtime/go-breakpoint.c b/libgo/runtime/go-breakpoint.c
index bb6eddc36fc..5eebe188bbe 100644
--- a/libgo/runtime/go-breakpoint.c
+++ b/libgo/runtime/go-breakpoint.c
@@ -6,7 +6,7 @@
 
 #include <sched.h>
 
-void Breakpoint (void) asm ("libgo_runtime.runtime.Breakpoint");
+void Breakpoint (void) asm ("runtime.Breakpoint");
 
 void
 Breakpoint (void)
diff --git a/libgo/runtime/go-caller.c b/libgo/runtime/go-caller.c
index f2bebeba519..dda396054c3 100644
--- a/libgo/runtime/go-caller.c
+++ b/libgo/runtime/go-caller.c
@@ -36,7 +36,7 @@ static symvalfn_type symvalfn;
    function/file/line information.  */
 
 void RegisterDebugLookup (infofn_type, symvalfn_type)
-  __asm__ ("libgo_runtime.runtime.RegisterDebugLookup");
+  __asm__ ("runtime.RegisterDebugLookup");
 
 void
 RegisterDebugLookup (infofn_type pi, symvalfn_type ps)
@@ -76,9 +76,9 @@ struct caller_ret
   _Bool ok;
 };
 
-struct caller_ret Caller (int n) asm ("libgo_runtime.runtime.Caller");
+struct caller_ret Caller (int n) asm ("runtime.Caller");
 
-Func *FuncForPC (uintptr_t) asm ("libgo_runtime.runtime.FuncForPC");
+Func *FuncForPC (uintptr_t) asm ("runtime.FuncForPC");
 
 /* Implement runtime.Caller.  */
 
@@ -132,7 +132,7 @@ struct funcline_go_return
 
 struct funcline_go_return
 runtime_funcline_go (Func *f, uintptr targetpc)
-  __asm__ ("libgo_runtime.runtime.funcline_go");
+  __asm__ ("runtime.funcline_go");
 
 struct funcline_go_return
 runtime_funcline_go (Func *f __attribute__((unused)), uintptr targetpc)
diff --git a/libgo/runtime/go-callers.c b/libgo/runtime/go-callers.c
index 09556c33c7a..2d8fce73de4 100644
--- a/libgo/runtime/go-callers.c
+++ b/libgo/runtime/go-callers.c
@@ -67,7 +67,7 @@ runtime_callers (int32 skip, uintptr *pcbuf, int32 m)
 }
 
 int Callers (int, struct __go_open_array)
-  __asm__ ("libgo_runtime.runtime.Callers");
+  __asm__ ("runtime.Callers");
 
 int
 Callers (int skip, struct __go_open_array pc)
diff --git a/libgo/runtime/go-getgoroot.c b/libgo/runtime/go-getgoroot.c
index e74fee886a1..1db4afe30a9 100644
--- a/libgo/runtime/go-getgoroot.c
+++ b/libgo/runtime/go-getgoroot.c
@@ -8,7 +8,7 @@
 
 #include "go-string.h"
 
-struct __go_string getgoroot (void) asm ("libgo_runtime.runtime.getgoroot");
+struct __go_string getgoroot (void) asm ("runtime.getgoroot");
 
 struct __go_string
 getgoroot ()
diff --git a/libgo/runtime/go-now.c b/libgo/runtime/go-now.c
index 5df8085c6a8..ede4493b8f3 100644
--- a/libgo/runtime/go-now.c
+++ b/libgo/runtime/go-now.c
@@ -15,7 +15,7 @@ struct time_now_ret
 };
 
 struct time_now_ret now()
-  __asm__ ("libgo_time.time.now")
+  __asm__ ("time.now")
   __attribute__ ((no_split_stack));
 
 struct time_now_ret
diff --git a/libgo/runtime/go-reflect-map.c b/libgo/runtime/go-reflect-map.c
index c06aef17eed..7ef632cfe13 100644
--- a/libgo/runtime/go-reflect-map.c
+++ b/libgo/runtime/go-reflect-map.c
@@ -24,7 +24,7 @@ struct mapaccess_ret
 
 extern struct mapaccess_ret mapaccess (struct __go_map_type *, uintptr_t,
 				       uintptr_t)
-  asm ("libgo_reflect.reflect.mapaccess");
+  asm ("reflect.mapaccess");
 
 struct mapaccess_ret
 mapaccess (struct __go_map_type *mt, uintptr_t m, uintptr_t key_i)
@@ -77,7 +77,7 @@ mapaccess (struct __go_map_type *mt, uintptr_t m, uintptr_t key_i)
 
 extern void mapassign (struct __go_map_type *, uintptr_t, uintptr_t,
 		       uintptr_t, _Bool)
-  asm ("libgo_reflect.reflect.mapassign");
+  asm ("reflect.mapassign");
 
 void
 mapassign (struct __go_map_type *mt, uintptr_t m, uintptr_t key_i,
@@ -118,7 +118,7 @@ mapassign (struct __go_map_type *mt, uintptr_t m, uintptr_t key_i,
 }
 
 extern int32_t maplen (uintptr_t)
-  asm ("libgo_reflect.reflect.maplen");
+  asm ("reflect.maplen");
 
 int32_t
 maplen (uintptr_t m)
@@ -131,7 +131,7 @@ maplen (uintptr_t m)
 }
 
 extern unsigned char *mapiterinit (struct __go_map_type *, uintptr_t)
-  asm ("libgo_reflect.reflect.mapiterinit");
+  asm ("reflect.mapiterinit");
 
 unsigned char *
 mapiterinit (struct __go_map_type *mt, uintptr_t m)
@@ -145,7 +145,7 @@ mapiterinit (struct __go_map_type *mt, uintptr_t m)
 }
 
 extern void mapiternext (unsigned char *)
-  asm ("libgo_reflect.reflect.mapiternext");
+  asm ("reflect.mapiternext");
 
 void
 mapiternext (unsigned char *it)
@@ -160,7 +160,7 @@ struct mapiterkey_ret
 };
 
 extern struct mapiterkey_ret mapiterkey (unsigned char *)
-  asm ("libgo_reflect.reflect.mapiterkey");
+  asm ("reflect.mapiterkey");
 
 struct mapiterkey_ret
 mapiterkey (unsigned char *ita)
@@ -203,7 +203,7 @@ mapiterkey (unsigned char *ita)
 /* Make a new map.  We have to build our own map descriptor.  */
 
 extern uintptr_t makemap (const struct __go_map_type *)
-  asm ("libgo_reflect.reflect.makemap");
+  asm ("reflect.makemap");
 
 uintptr_t
 makemap (const struct __go_map_type *t)
diff --git a/libgo/runtime/go-setenv.c b/libgo/runtime/go-setenv.c
index a62796b3de2..789ffdf4987 100644
--- a/libgo/runtime/go-setenv.c
+++ b/libgo/runtime/go-setenv.c
@@ -15,7 +15,7 @@
 /* Set the C environment from Go.  This is called by syscall.Setenv.  */
 
 void setenv_c (struct __go_string, struct __go_string)
-  __asm__ ("libgo_syscall.syscall.setenv_c");
+  __asm__ ("syscall.setenv_c");
 
 void
 setenv_c (struct __go_string k, struct __go_string v)
diff --git a/libgo/runtime/go-signal.c b/libgo/runtime/go-signal.c
index b698ae2b897..abe78c44ea8 100644
--- a/libgo/runtime/go-signal.c
+++ b/libgo/runtime/go-signal.c
@@ -408,7 +408,7 @@ runtime_setsig (int32 i, bool def __attribute__ ((unused)), bool restart)
 
 /* Used by the os package to raise SIGPIPE.  */
 
-void os_sigpipe (void) __asm__ ("libgo_os.os.sigpipe");
+void os_sigpipe (void) __asm__ ("os.sigpipe");
 
 void
 os_sigpipe (void)
diff --git a/libgo/runtime/go-typestring.c b/libgo/runtime/go-typestring.c
index dcbbc6575dc..d40c6ad1b98 100644
--- a/libgo/runtime/go-typestring.c
+++ b/libgo/runtime/go-typestring.c
@@ -9,7 +9,7 @@
 #include "go-string.h"
 
 struct __go_string typestring(struct __go_empty_interface)
-  asm ("libgo_runtime.runtime.typestring");
+  asm ("runtime.typestring");
 
 struct __go_string
 typestring (struct __go_empty_interface e)
diff --git a/libgo/runtime/go-unsafe-new.c b/libgo/runtime/go-unsafe-new.c
index 2b9e044dc33..a75c3884eed 100644
--- a/libgo/runtime/go-unsafe-new.c
+++ b/libgo/runtime/go-unsafe-new.c
@@ -12,7 +12,7 @@
 /* Implement unsafe_New, called from the reflect package.  */
 
 void *unsafe_New (struct __go_empty_interface type)
-  asm ("libgo_reflect.reflect.unsafe_New");
+  asm ("reflect.unsafe_New");
 
 /* The dynamic type of the argument will be a pointer to a type
    descriptor.  */
diff --git a/libgo/runtime/go-unsafe-newarray.c b/libgo/runtime/go-unsafe-newarray.c
index f4c5595d463..67399eac88c 100644
--- a/libgo/runtime/go-unsafe-newarray.c
+++ b/libgo/runtime/go-unsafe-newarray.c
@@ -12,7 +12,7 @@
 /* Implement unsafe_NewArray, called from the reflect package.  */
 
 void *unsafe_NewArray (struct __go_empty_interface type, int n)
-  asm ("libgo_reflect.reflect.unsafe_NewArray");
+  asm ("reflect.unsafe_NewArray");
 
 /* The dynamic type of the argument will be a pointer to a type
    descriptor.  */
diff --git a/libgo/runtime/go-unsafe-pointer.c b/libgo/runtime/go-unsafe-pointer.c
index 9ec18003f1f..cda59361327 100644
--- a/libgo/runtime/go-unsafe-pointer.c
+++ b/libgo/runtime/go-unsafe-pointer.c
@@ -15,7 +15,7 @@
    descriptor.  */
 
 extern const struct __go_type_descriptor unsafe_Pointer
-  asm ("__go_tdn_libgo_unsafe.unsafe.Pointer");
+  asm ("__go_tdn_unsafe.Pointer");
 
 /* Used to determine the field alignment.  */
 struct field_align
@@ -61,7 +61,7 @@ const struct __go_type_descriptor unsafe_Pointer =
    it to be defined elsewhere.  */
 
 extern const struct __go_ptr_type pointer_unsafe_Pointer
-  asm ("__go_td_pN27_libgo_unsafe.unsafe.Pointer");
+  asm ("__go_td_pN14_unsafe.Pointer");
 
 /* The reflection string.  */
 #define PREFLECTION "*unsafe.Pointer"
diff --git a/libgo/runtime/goc2c.c b/libgo/runtime/goc2c.c
index 93031ffe253..55c6d9b2dc4 100644
--- a/libgo/runtime/goc2c.c
+++ b/libgo/runtime/goc2c.c
@@ -33,6 +33,9 @@
 /* Whether we're emitting for gcc */
 static int gcc;
 
+/* Package path to use; only meaningful for gcc */
+static const char *pkgpath;
+
 /* Package prefix to use; only meaningful for gcc */
 static const char *prefix;
 
@@ -579,9 +582,13 @@ write_gcc_func_header(char *package, char *name, struct params *params,
 	first = 1;
 	write_params(params, &first);
 	printf(") asm (\"");
-	if (prefix != NULL)
-	  printf("%s.", prefix);
-	printf("%s.%s\");\n", package, name);
+	if (pkgpath != NULL)
+	  printf("%s", pkgpath);
+	else if (prefix != NULL)
+	  printf("%s.%s", prefix, package);
+	else
+	  printf("%s", package);
+	printf(".%s\");\n", name);
 	write_gcc_return_type(package, name, rets);
 	printf(" %s_%s(", package, name);
 	first = 1;
@@ -724,7 +731,7 @@ process_file(void)
 static void
 usage(void)
 {
-	sysfatal("Usage: goc2c [--6g | --gc] [--go-prefix PREFIX] [file]\n");
+	sysfatal("Usage: goc2c [--6g | --gc] [--go-pkgpath PKGPATH] [--go-prefix PREFIX] [file]\n");
 }
 
 void
@@ -740,7 +747,11 @@ main(int argc, char **argv)
 			gcc = 0;
 		else if(strcmp(argv[1], "--gcc") == 0)
 			gcc = 1;
-		else if (strcmp(argv[1], "--go-prefix") == 0 && argc > 2) {
+		else if (strcmp(argv[1], "--go-pkgpath") == 0 && argc > 2) {
+			pkgpath = argv[2];
+			argc--;
+			argv++;
+		} else if (strcmp(argv[1], "--go-prefix") == 0 && argc > 2) {
 			prefix = argv[2];
 			argc--;
 			argv++;
diff --git a/libgo/runtime/malloc.goc b/libgo/runtime/malloc.goc
index 253fdbe0ccb..ae5e15fa9dd 100644
--- a/libgo/runtime/malloc.goc
+++ b/libgo/runtime/malloc.goc
@@ -23,7 +23,7 @@ MHeap runtime_mheap;
 extern MStats mstats;	// defined in extern.go
 
 extern volatile int32 runtime_MemProfileRate
-  __asm__ ("libgo_runtime.runtime.MemProfileRate");
+  __asm__ ("runtime.MemProfileRate");
 
 // Allocate an object of at least size bytes.
 // Small objects are allocated from the per-thread cache's free lists.
@@ -266,7 +266,7 @@ runtime_purgecachedstats(M* m)
 }
 
 extern uintptr runtime_sizeof_C_MStats
-  __asm__ ("libgo_runtime.runtime.Sizeof_C_MStats");
+  __asm__ ("runtime.Sizeof_C_MStats");
 
 #define MaxArena32 (2U<<30)
 
diff --git a/libgo/runtime/malloc.h b/libgo/runtime/malloc.h
index 4cb07477f15..16bb449f128 100644
--- a/libgo/runtime/malloc.h
+++ b/libgo/runtime/malloc.h
@@ -237,7 +237,7 @@ struct MStats
 };
 
 extern MStats mstats
-  __asm__ ("libgo_runtime.runtime.VmemStats");
+  __asm__ ("runtime.VmemStats");
 
 
 // Size classes.  Computed and initialized by InitSizes.
diff --git a/libgo/runtime/mgc0.c b/libgo/runtime/mgc0.c
index 7e68535ebfd..c08d5c1548e 100644
--- a/libgo/runtime/mgc0.c
+++ b/libgo/runtime/mgc0.c
@@ -1078,7 +1078,7 @@ runtime_gc(int32 force)
 }
 
 void runtime_ReadMemStats(MStats *)
-  __asm__("libgo_runtime.runtime.ReadMemStats");
+  __asm__("runtime.ReadMemStats");
 
 void
 runtime_ReadMemStats(MStats *stats)
diff --git a/libgo/runtime/proc.c b/libgo/runtime/proc.c
index 660c69fc03c..eabd5e82664 100644
--- a/libgo/runtime/proc.c
+++ b/libgo/runtime/proc.c
@@ -1300,7 +1300,7 @@ runtime_malg(int32 stacksize, byte** ret_stack, size_t* ret_stacksize)
 /* For runtime package testing.  */
 
 void runtime_testing_entersyscall(void)
-  __asm__("libgo_runtime.runtime.entersyscall");
+  __asm__("runtime.entersyscall");
 
 void
 runtime_testing_entersyscall()
@@ -1309,7 +1309,7 @@ runtime_testing_entersyscall()
 }
 
 void runtime_testing_exitsyscall(void)
-  __asm__("libgo_runtime.runtime.exitsyscall");
+  __asm__("runtime.exitsyscall");
 
 void
 runtime_testing_exitsyscall()
@@ -1416,7 +1416,7 @@ rundefer(void)
 	}
 }
 
-void runtime_Goexit (void) asm ("libgo_runtime.runtime.Goexit");
+void runtime_Goexit (void) asm ("runtime.Goexit");
 
 void
 runtime_Goexit(void)
@@ -1425,7 +1425,7 @@ runtime_Goexit(void)
 	runtime_goexit();
 }
 
-void runtime_Gosched (void) asm ("libgo_runtime.runtime.Gosched");
+void runtime_Gosched (void) asm ("runtime.Gosched");
 
 void
 runtime_Gosched(void)
@@ -1504,7 +1504,7 @@ runtime_lockedOSThread(void)
 // for testing of callbacks
 
 _Bool runtime_golockedOSThread(void)
-  asm("libgo_runtime.runtime.golockedOSThread");
+  asm("runtime.golockedOSThread");
 
 _Bool
 runtime_golockedOSThread(void)
@@ -1520,7 +1520,7 @@ runtime_mid()
 }
 
 int32 runtime_NumGoroutine (void)
-  __asm__ ("libgo_runtime.runtime.NumGoroutine");
+  __asm__ ("runtime.NumGoroutine");
 
 int32
 runtime_NumGoroutine()
diff --git a/libgo/runtime/runtime.c b/libgo/runtime/runtime.c
index a0dbf80b0a0..c8443cbed99 100644
--- a/libgo/runtime/runtime.c
+++ b/libgo/runtime/runtime.c
@@ -86,8 +86,8 @@ runtime_panicstring(const char *s)
 static int32	argc;
 static byte**	argv;
 
-extern Slice os_Args asm ("libgo_os.os.Args");
-extern Slice syscall_Envs asm ("libgo_syscall.syscall.Envs");
+extern Slice os_Args asm ("os.Args");
+extern Slice syscall_Envs asm ("syscall.Envs");
 
 void
 runtime_args(int32 c, byte **v)
diff --git a/libgo/runtime/runtime.h b/libgo/runtime/runtime.h
index d379f99f8da..3e75b1583b8 100644
--- a/libgo/runtime/runtime.h
+++ b/libgo/runtime/runtime.h
@@ -298,8 +298,8 @@ void	runtime_gosched(void);
 void	runtime_tsleep(int64);
 M*	runtime_newm(void);
 void	runtime_goexit(void);
-void	runtime_entersyscall(void) __asm__("libgo_syscall.syscall.Entersyscall");
-void	runtime_exitsyscall(void) __asm__("libgo_syscall.syscall.Exitsyscall");
+void	runtime_entersyscall(void) __asm__("syscall.Entersyscall");
+void	runtime_exitsyscall(void) __asm__("syscall.Exitsyscall");
 void	siginit(void);
 bool	__go_sigsend(int32 sig);
 int32	runtime_callers(int32, uintptr*, int32);
@@ -374,7 +374,7 @@ void	runtime_panic(Eface);
 struct __go_func_type;
 void reflect_call(const struct __go_func_type *, const void *, _Bool, _Bool,
 		  void **, void **)
-  asm ("libgo_reflect.reflect.call");
+  asm ("reflect.call");
 
 /* Functions.  */
 #define runtime_panic __go_panic
@@ -417,11 +417,11 @@ void	runtime_usleep(uint32);
  * runtime c-called (but written in Go)
  */
 void	runtime_printany(Eface)
-     __asm__("libgo_runtime.runtime.Printany");
+     __asm__("runtime.Printany");
 void	runtime_newTypeAssertionError(const String*, const String*, const String*, const String*, Eface*)
-     __asm__("libgo_runtime.runtime.NewTypeAssertionError");
+     __asm__("runtime.NewTypeAssertionError");
 void	runtime_newErrorString(String, Eface*)
-     __asm__("libgo_runtime.runtime.NewErrorString");
+     __asm__("runtime.NewErrorString");
 
 /*
  * wrapped for go users
@@ -431,8 +431,8 @@ void	runtime_semrelease(uint32 volatile *);
 int32	runtime_gomaxprocsfunc(int32 n);
 void	runtime_procyield(uint32);
 void	runtime_osyield(void);
-void	runtime_LockOSThread(void) __asm__("libgo_runtime.runtime.LockOSThread");
-void	runtime_UnlockOSThread(void) __asm__("libgo_runtime.runtime.UnlockOSThread");
+void	runtime_LockOSThread(void) __asm__("runtime.LockOSThread");
+void	runtime_UnlockOSThread(void) __asm__("runtime.UnlockOSThread");
 
 uintptr	runtime_memlimit(void);
 
diff --git a/libgo/testsuite/gotest b/libgo/testsuite/gotest
index 40d32ed3d2d..da1162e6748 100755
--- a/libgo/testsuite/gotest
+++ b/libgo/testsuite/gotest
@@ -30,6 +30,7 @@ gofiles=""
 pkgfiles=""
 loop=true
 keep=false
+pkgpath=
 prefix=
 dejagnu=no
 GOARCH=""
@@ -56,6 +57,15 @@ while $loop; do
 		basedir=`echo $1 | sed -e 's/^--basedir=//'`
 		shift
 		;;
+	x--pkgpath)
+		pkgpath=$2
+		shift
+		shift
+		;;
+	x--pkgpath=*)
+		pkgpath=`echo $1 | sed -e 's/^--pkgpath=//'`
+		shift
+		;;
 	x--prefix)
 		prefix=$2
 		shift
@@ -310,23 +320,28 @@ set -e
 
 package=`echo ${srcdir} | sed -e 's|^.*libgo/go/||'`
 
+pkgpatharg=
+xpkgpatharg=
 prefixarg=
-if test -n "$prefix"; then
+if test -n "$pkgpath"; then
+	pkgpatharg="-fgo-pkgpath=$pkgpath"
+	xpkgpatharg="-fgo-pkgpath=${pkgpath}_test"
+elif test -n "$prefix"; then
 	prefixarg="-fgo-prefix=$prefix"
 fi
 
 if test "$trace" = "true"; then
-  echo $GC -g $prefixarg -c -I . -fno-toplevel-reorder -o _gotest_.o $gofiles $pkgbasefiles
+  echo $GC -g $pkgpatharg $prefixarg -c -I . -fno-toplevel-reorder -o _gotest_.o $gofiles $pkgbasefiles
 fi
-$GC -g $prefixarg -c -I . -fno-toplevel-reorder -o _gotest_.o $gofiles $pkgbasefiles
+$GC -g $pkgpatharg $prefixarg -c -I . -fno-toplevel-reorder -o _gotest_.o $gofiles $pkgbasefiles
 
 if $havex; then
 	mkdir -p `dirname $package`
 	cp _gotest_.o `dirname $package`/lib`basename $package`.a
 	if test "$trace" = "true"; then
-	    echo $GC -g -c -I . -fno-toplevel-reorder -o $xofile $xgofiles
+	    echo $GC -g $xpkgpatharg -c -I . -fno-toplevel-reorder -o $xofile $xgofiles
 	fi
-	$GC -g -c -I . -fno-toplevel-reorder -o $xofile $xgofiles
+	$GC -g $xpkgpatharg -c -I . -fno-toplevel-reorder -o $xofile $xgofiles
 fi
 
 # They all compile; now generate the code to call them.
@@ -343,24 +358,26 @@ localname() {
 	ppc*) text="D" ;;
 	esac
 
+	symtogo='sed -e s/_test/XXXtest/ -e s/.*_\([^_]*\.\)/\1/ -e s/XXXtest/_test/'
+
 	# test functions are named TestFoo
 	# the grep -v eliminates methods and other special names
 	# that have multiple dots.
 	pattern='Test([^a-z].*)?'
 	# The -p option tells GNU nm not to sort.
 	# The -v option tells Solaris nm to sort by value.
-	tests=$($NM -p -v _gotest_.o $xofile | egrep " $text .*\."$pattern'$' | grep -v '\..*\..*\.' | fgrep -v '$' | fgrep -v ' __go_' | sed 's/.* //' | sed 's/.*\.\(.*\.\)/\1/')
+	tests=$($NM -p -v _gotest_.o $xofile | egrep " $text .*\."$pattern'$' | grep -v '\..*\..*\.' | fgrep -v '$' | fgrep -v ' __go_' | sed 's/.* //' | $symtogo)
 	if [ "x$tests" = x ]; then
 		echo 'gotest: warning: no tests matching '$pattern in _gotest_.o $xofile 1>&2
 		exit 2
 	fi
 	# benchmarks are named BenchmarkFoo.
 	pattern='Benchmark([^a-z].*)?'
-	benchmarks=$($NM -p -v _gotest_.o $xofile | egrep " $test .*\."$pattern'$' | grep -v '\..*\..*\.' | fgrep -v '$' | fgrep -v ' __go_' | sed 's/.* //' | sed 's/.*\.\(.*\.\)/\1/')
+	benchmarks=$($NM -p -v _gotest_.o $xofile | egrep " $test .*\."$pattern'$' | grep -v '\..*\..*\.' | fgrep -v '$' | fgrep -v ' __go_' | sed 's/.* //' | $symtogo)
 
 	# examples are named ExampleFoo
 	pattern='Example([^a-z].*)?'
-	examples=$($NM -p -v _gotest_.o $xofile | egrep " $text .*\."$pattern'$' | grep -v '\..*\..*\.' | fgrep -v '$' | fgrep -v ' __go_' | sed 's/.* //' | sed 's/.*\.\(.*\.\)/\1/')
+	examples=$($NM -p -v _gotest_.o $xofile | egrep " $text .*\."$pattern'$' | grep -v '\..*\..*\.' | fgrep -v '$' | fgrep -v ' __go_' | sed 's/.* //' | $symtogo)
 
 	# package spec
 	echo 'package main'