From 5aa26af0257ffd084b7a459093389360711ec9d2 Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 9 May 2002 23:09:27 +0200
Subject: [PATCH] t-linux64 (SHLIB_MAPFILES): Set.

	* config/sparc/t-linux64 (SHLIB_MAPFILES): Set.
	* config/sparc/libgcc-sparc-glibc.ver: New file.
	* config/cris/t-linux (SHLIB_MAPFILES): Remove.
	* mklibgcc.in: Preprocess SHLIB_MAPFILES with ml flags.

From-SVN: r53346
---
 gcc/ChangeLog                           |  7 +++++++
 gcc/config/cris/t-linux                 |  4 ----
 gcc/config/sparc/libgcc-sparc-glibc.ver | 28 +++++++++++++++++++++++++
 gcc/config/sparc/t-linux64              |  6 ++++++
 gcc/mklibgcc.in                         |  5 ++++-
 5 files changed, 45 insertions(+), 5 deletions(-)
 create mode 100644 gcc/config/sparc/libgcc-sparc-glibc.ver

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 128d1a87f38..2a70177693e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2002-05-09  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/t-linux64 (SHLIB_MAPFILES): Set.
+	* config/sparc/libgcc-sparc-glibc.ver: New file.
+	* config/cris/t-linux (SHLIB_MAPFILES): Remove.
+	* mklibgcc.in: Preprocess SHLIB_MAPFILES with ml flags.
+
 2002-05-09  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/6429
diff --git a/gcc/config/cris/t-linux b/gcc/config/cris/t-linux
index 43c3acd2ebb..65c3000ef00 100644
--- a/gcc/config/cris/t-linux
+++ b/gcc/config/cris/t-linux
@@ -1,6 +1,2 @@
 TARGET_LIBGCC2_CFLAGS += -fPIC
 CRTSTUFF_T_CFLAGS_S = $(TARGET_LIBGCC2_CFLAGS)
-
-# Override t-slibgcc-elf-ver to export some libgcc symbols with
-# the symbol versions that glibc used.
-SHLIB_MAPFILES += $(srcdir)/config/libgcc-glibc.ver
diff --git a/gcc/config/sparc/libgcc-sparc-glibc.ver b/gcc/config/sparc/libgcc-sparc-glibc.ver
new file mode 100644
index 00000000000..e3ba0bbdb65
--- /dev/null
+++ b/gcc/config/sparc/libgcc-sparc-glibc.ver
@@ -0,0 +1,28 @@
+# In order to work around the very problems that force us to now generally
+# create a libgcc.so, glibc reexported a number of routines from libgcc.a.
+# By now choosing the same version tags for these specific routines, we
+# maintain enough binary compatibility to allow future versions of glibc
+# to defer implementation of these routines to libgcc.so via DT_AUXILIARY.
+
+%ifdef __arch64__
+%define GLIBC_VER GLIBC_2.2
+%else
+%define GLIBC_VER GLIBC_2.0
+%endif
+%inherit GCC_3.0 GLIBC_VER
+GLIBC_VER {
+  # Sampling of DImode arithmetic used by (at least) i386 and m68k.
+  __divdi3
+  __moddi3
+  __udivdi3
+  __umoddi3
+
+  # Exception handling support functions used by most everyone.
+  __register_frame
+  __register_frame_table
+  __deregister_frame
+  __register_frame_info
+  __deregister_frame_info
+  __frame_state_for
+  __register_frame_info_table
+}
diff --git a/gcc/config/sparc/t-linux64 b/gcc/config/sparc/t-linux64
index d8dedc542bd..c93ff25a3ff 100644
--- a/gcc/config/sparc/t-linux64
+++ b/gcc/config/sparc/t-linux64
@@ -10,3 +10,9 @@ INSTALL_LIBGCC = install-multilib
 EXTRA_MULTILIB_PARTS=crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o
 
 SHLIB_SLIBDIR_SUFFIXES = 64:64 32:
+
+# Override t-slibgcc-elf-ver to export some libgcc symbols with
+# the symbol versions that glibc used.
+# Avoid the t-linux version file.
+SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver \
+		 $(srcdir)/config/sparc/libgcc-sparc-glibc.ver
diff --git a/gcc/mklibgcc.in b/gcc/mklibgcc.in
index 06c2ec0134e..c5db6f0a039 100644
--- a/gcc/mklibgcc.in
+++ b/gcc/mklibgcc.in
@@ -263,7 +263,10 @@ for ml in $MULTILIBS; do
     tmpmapfile="libgcc/${dir}/tmp-libgcc.map"
     echo ""
     echo "${mapfile}: $SHLIB_MKMAP $SHLIB_MAPFILES $libgcc_sh_objs"
-    echo '	{ $(NM_FOR_TARGET)'" $SHLIB_NM_FLAGS $libgcc_sh_objs; echo %%; cat $SHLIB_MAPFILES; } | "'$(AWK)'" -f $SHLIB_MKMAP $SHLIB_MKMAP_OPTS > ${tmpmapfile}"
+    echo '	{ $(NM_FOR_TARGET)'" $SHLIB_NM_FLAGS $libgcc_sh_objs; echo %%; \\"
+    echo "	  cat $SHLIB_MAPFILES | sed -e "'"/^[ 	]*#/d" -e '\''s/^%\(if\|else\|elif\|endif\|define\)/#\1/'\'" \\"
+    echo "	  | $gcc_compile $flags -E -xassembler-with-cpp -; \\"
+    echo '	} | $(AWK)'" -f $SHLIB_MKMAP $SHLIB_MKMAP_OPTS > ${tmpmapfile}"
     echo '	mv '"$tmpmapfile"' $@'
   fi
   shlib_deps="$shlib_deps $mapfile"
-- 
2.30.2