Makefile.in (SHLIB_NM_FLAGS): New.

        * Makefile.in (SHLIB_NM_FLAGS): New.
        (libgcc.mk): Pass it.
        * mklibgcc.in (libgcc.map): Use it.

        * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
        SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.

From-SVN: r36989

gcc/ChangeLog

+2000-10-20  David Edelsohn  <edelsohn@gnu.org>
+
+	* Makefile.in (SHLIB_NM_FLAGS): New.
+	(libgcc.mk): Pass it.
+	* mklibgcc.in (libgcc.map): Use it.
+
+	* rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
+	SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
+
 2000-10-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.

gcc/Makefile.in

@@ -381,12 +381,15 @@ LIBGCC2_INCLUDES =
 # Additional target-dependent options for compiling libgcc2.a.
 TARGET_LIBGCC2_CFLAGS =
 
-# Addition sources to handle exceptions; overridden by some targets.
+# Additional sources to handle exceptions; overridden by some targets.
 LIB2ADDEH = $(srcdir)/frame-dwarf2.c
 
 # libgcc1-test target (must also be overridable for a target)
 LIBGCC1_TEST = libgcc1-test
 
+# nm flags to list global symbols in libgcc object files.
+SHLIB_NM_FLAGS = -pg
+
 # List of extra executables that should be compiled for this target machine
 # that are used for compiling from source code to object code.
 # The rules for compiling them should be in the t-* file for the machine.
@@ -985,6 +988,7 @@ libgcc.mk: config.status Makefile mklibgcc $(LIB2ADD) xgcc$(exeext)
 	SHLIB_MULTILIB='$(SHLIB_MULTILIB)' \
 	SHLIB_MKMAP='$(SHLIB_MKMAP)' \
 	SHLIB_MAPFILES='$(SHLIB_MAPFILES)' \
+	SHLIB_NM_FLAGS='$(SHLIB_NM_FLAGS)' \
 	  $(SHELL) mklibgcc > tmp-libgcc.mk
 	mv tmp-libgcc.mk libgcc.mk
 

gcc/config/rs6000/t-aix43

@@ -48,6 +48,22 @@ MULTILIB_MATCHES	= mcpu?power=mpower \
 LIBGCC = stmp-multilib
 INSTALL_LIBGCC = install-multilib
 
+# Build a shared libgcc library.
+SHLIB_EXT = .a
+SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
+	-Wl,-bE:@shlib_map_file@ -o @multilib_dir@/shr.o \
+	@multilib_flags@ @shlib_objs@ -lc \
+	`case @shlib_base_name@ in \
+	*pthread*) echo -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a ;; \
+	*) echo -lc ;; esac` ; \
+	rm -f tmp-@shlib_base_name@.a ; \
+	$(AR_CREATE_FOR_TARGET) tmp-@shlib_base_name@.a @multilib_dir@/shr.o ; \
+	mv tmp-@shlib_base_name@.a @shlib_base_name@.a ; \
+	rm -f @multilib_dir@/shr.o
+SHLIB_LIBS = -lc `case @shlib_base_name@ in *pthread*) echo -lpthread ;; esac`
+SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
+SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver
+SHLIB_NM_FLAGS = -Bpg
 
 # Both 32-bit and 64-bit objects in archives
 AR_FLAGS_FOR_TARGET=-X32_64

gcc/mklibgcc.in

@@ -28,6 +28,7 @@
 # SHLIB_MULTILIB
 # SHLIB_MKMAP
 # SHLIB_MAPFILES
+# SHLIB_NM_FLAGS
 
 # Make needs VPATH to be literal.
 echo 'srcdir = @srcdir@'
@@ -262,7 +263,7 @@ for ml in $MULTILIBS; do
     mapfile="libgcc.map"
     echo ""
     echo "${mapfile}: $SHLIB_MKMAP $SHLIB_MAPFILES $libgcc_objs"
-    echo '	{ $(NM_FOR_TARGET) -pg'" $libgcc_objs; echo %%; cat $SHLIB_MAPFILES; } | "'$(AWK)'" -f $SHLIB_MKMAP > "'tmp-$@'
+    echo '	{ $(NM_FOR_TARGET)'" $SHLIB_NM_FLAGS $libgcc_objs; echo %%; cat $SHLIB_MAPFILES; } | "'$(AWK)'" -f $SHLIB_MKMAP > "'tmp-$@'
     echo '	mv tmp-$@ $@'
   fi
   shlib_deps="$shlib_deps $mapfile"