Update.

2001-10-02  Jakub Jelinek  <jakub@redhat.com>
	    H.J. Lu  <hjl@gnu.org>

	* configure.in (libc_cv_gcc_static_libgcc): Set to -static-libgcc
	if gcc supports this flag.
	(EXPORT_UNWIND_FIND_FDE): Define unless target configure disables it.
	(gcc3): Allow glibc to be compiled with gcc 3.x.
	* config.h.in (EXPORT_UNWIND_FIND_FDE): Add.
	* config.make.in (static-libgcc, unwind-find-fde): Add.
	* Makerules (build-shlib-helper, build-module-helper): Use it.
	* scripts/versions.awk: Make sure GLIBC_ versions come first.
	* elf/soinit.c (__libc_global_ctors): Set tbases and dbases if
	necessary.
	(_fini): Call __deregister_frame_info_bases if
	__register_frame_info_bases was used to register.
	* elf/Versions (__register_frame_info, __deregister_frame_info): Add
	for GLIBC_2.0.
	(__register_frame_info_bases, __register_frame_info_table_bases,
	__deregister_frame_info_bases, _Unwind_Find_FDE): Add for GLIBC_2.2.5.
	* elf/Makefile (routines): Add unwind-dw2-fde.
	(shared-only-routines): Add unwind-dw2-fde.
	* sysdeps/alpha/gccframe.h: New file.
	* sysdeps/arm/gccframe.h: New file.
	* sysdeps/generic/framestate.c: New file.
	* sysdeps/generic/dwarf2.h: New file.
	* sysdeps/generic/gccframe.h (struct object): Update from gcc 3.0.
	* sysdeps/generic/unwind-dw2-fde.c: New file.
	* sysdeps/unix/sysv/linux/ia64/unwind-dw2-fde.c: New file.
	* sysdeps/generic/unwind-dw2-fde.h: New file.
	* sysdeps/generic/unwind-dw2.c: New file.
	* sysdeps/generic/unwind-pe.h: New file.
	* sysdeps/generic/unwind.h: New file.
	* sysdeps/hppa/gccframe.h: New file.
	* sysdeps/i386/gccframe.h: New file.
	* sysdeps/m68k/gccframe.h: New file.
	* sysdeps/mips/gccframe.h: New file.
	* sysdeps/powerpc/gccframe.h: New file.
	* sysdeps/s390/gccframe.h: New file.
	* sysdeps/sh/gccframe.h: New file.
	* sysdeps/sparc/gccframe.h: New file.
	* sysdeps/vax/gccframe.h: New file.
	* sysdeps/unix/sysv/linux/configure.in (libc_cv_gcc_unwind_find_fde):
	Set on all architectures except ia64.
	* sysdeps/mach/hurd/configure.in (libc_cv_gcc_unwind_find_fde): Set
	for i386.
	* sysdeps/mach/hurd/i386/Versions (__register_frame_info,
	__deregister_frame_info): Move to elf/Versions.
	* sysdeps/unix/sysv/linux/m68k/Versions: Likewise.
	* sysdeps/unix/sysv/linux/arm/Versions: Likewise.
	* sysdeps/unix/sysv/linux/alpha/Versions: Likewise.
	* sysdeps/unix/sysv/linux/i386/Versions: Likewise.
	* sysdeps/unix/sysv/linux/mips/Versions: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/Versions: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/Versions: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/Versions: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/Versions: Likewise.
	* sysdeps/mach/hurd/i386/Makefile (sysdep-routines): Add framestate.
	* sysdeps/unix/sysv/linux/arm/Makefile: Likewise.
	* sysdeps/unix/sysv/linux/alpha/Makefile: Likewise.
	* sysdeps/unix/sysv/linux/i386/Makefile: Likewise.
	* sysdeps/unix/sysv/linux/m68k/Makefile: Likewise.
	* sysdeps/unix/sysv/linux/mips/Makefile: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/Makefile: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/Makefile: Likewise.
	* sysdeps/unix/sysv/linux/sparc/Makefile: Likewise.

	* sysdeps/unix/sysv/linux/ia64/ldd-rewrite.sed: New file.
	* sysdeps/unix/sysv/linux/s390/ldd-rewrite.sed: New file.
	* sysdeps/generic/strnlen.c: New file.

3 files changed, 38 insertions, 0 deletions

diff --git a/elf/Makefile b/elf/Makefile
index 91d7e3a..b39034c 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -66,6 +66,11 @@ distribute	:= $(rtld-routines:=.c) dynamic-link.h do-rel.h dl-machine.h \
 
 include ../Makeconfig
 
+ifeq ($(unwind-find-fde),yes)
+routines += unwind-dw2-fde
+shared-only-routines = unwind-dw2-fde
+endif
+
 before-compile  = $(objpfx)trusted-dirs.h
 generated	:= trusted-dirs.h trusted-dirs.st for-renamed/renamed.so
 generated-dirs	:= for-renamed
diff --git a/elf/Versions b/elf/Versions
index 2506d10..a0e691c 100644
--- a/elf/Versions
+++ b/elf/Versions
@@ -2,6 +2,9 @@ libc {
   GLIBC_2.0 {
     # functions used in other libraries
     _dl_open; _dl_close; _dl_addr;
+%ifdef EXPORT_UNWIND_FIND_FDE
+    __register_frame_info; __deregister_frame_info;
+%endif
   }
   GLIBC_2.1 {
     # functions used in other libraries
@@ -17,6 +20,12 @@ libc {
   GLIBC_2.2.4 {
     dl_iterate_phdr;
   }
+%ifdef EXPORT_UNWIND_FIND_FDE
+  GLIBC_2.2.5 {
+    __register_frame_info_bases; __deregister_frame_info_bases;
+    __register_frame_info_table_bases; _Unwind_Find_FDE;
+  }
+%endif
 }
 
 ld {
diff --git a/elf/soinit.c b/elf/soinit.c
index ff65af4..32ed445 100644
--- a/elf/soinit.c
+++ b/elf/soinit.c
@@ -4,6 +4,7 @@
    calling those lists of functions.  */
 
 #include <libc-internal.h>
+#include <stdlib.h>
 
 #ifdef HAVE_DWARF2_UNWIND_INFO_STATIC
 # include <gccframe.h>
@@ -29,7 +30,10 @@ static char __EH_FRAME_BEGIN__[]
      = { };
 # ifdef HAVE_DWARF2_UNWIND_INFO_STATIC
 extern void __register_frame_info (const void *, struct object *);
+extern void __register_frame_info_bases (const void *, struct object *,
+					 void *, void *);
 extern void __deregister_frame_info (const void *);
+extern void __deregister_frame_info_bases (const void *);
 # else
 extern void __register_frame (const void *);
 extern void __deregister_frame (const void *);
@@ -47,7 +51,23 @@ __libc_global_ctors (void)
 # ifdef HAVE_DWARF2_UNWIND_INFO_STATIC
   {
     static struct object ob;
+#  if defined CRT_GET_RFIB_TEXT || defined CRT_GET_RFIB_DATA
+    void *tbase, *dbase;
+
+#   ifdef CRT_GET_RFIB_TEXT
+    CRT_GET_RFIB_TEXT (tbase);
+#   else
+    tbase = NULL;
+#   endif
+#   ifdef CRT_GET_RFIB_DATA
+    CRT_GET_RFIB_DATA (dbase);
+#   else
+    dbase = NULL;
+#   endif
+    __register_frame_info_bases (__EH_FRAME_BEGIN__, &ob, tbase, dbase);
+#  else
     __register_frame_info (__EH_FRAME_BEGIN__, &ob);
+#  endif
   }
 # else
   __register_frame (__EH_FRAME_BEGIN__);
@@ -66,7 +86,11 @@ _fini (void)
   run_hooks (__DTOR_LIST__);
 #ifdef HAVE_DWARF2_UNWIND_INFO
 # ifdef HAVE_DWARF2_UNWIND_INFO_STATIC
+#  if defined CRT_GET_RFIB_TEXT || defined CRT_GET_RFIB_DATA
+  __deregister_frame_info_bases (__EH_FRAME_BEGIN__);
+#  else
   __deregister_frame_info (__EH_FRAME_BEGIN__);
+#  endif
 # else
   __deregister_frame (__EH_FRAME_BEGIN__);
 # endif