Consolidate NPTL configury for ARM/Linux.

ChangeLog

@@ -1,5 +1,25 @@
 2014-05-13  Roland McGrath  <roland@hack.frob.com>
 
+	* sysdeps/unix/sysv/linux/arm/Versions (libc: GLIBC_PRIVATE): New set.
+	* sysdeps/unix/sysv/linux/arm/nptl/Versions: File removed.
+
+	* sysdeps/unix/sysv/linux/arm/Makefile
+	[$(subdir) = rt] (librt-sysdep_routines, librt-shared-only-routines):
+	Add rt-aeabi_unwind_cpp_pr1.
+	[$(subdir) = nptl] (librt-sysdep_routines, librt-shared-only-routines):
+	Add nptl-aeabi_unwind_cpp_pr1.
+	[$(subdir) = nptl] (tests): Filter out tst-cleanupx4.
+	* sysdeps/unix/sysv/linux/arm/nptl/Makefile: File removed.
+	* sysdeps/unix/sysv/linux/arm/nptl/rt-aeabi_unwind_cpp_pr1.c: Move ...
+	* sysdeps/unix/sysv/linux/arm/rt-aeabi_unwind_cpp_pr1.c: ... here.
+	* sysdeps/unix/sysv/linux/arm/nptl/nptl-aeabi_unwind_cpp_pr1.c: Move ...
+	* sysdeps/unix/sysv/linux/arm/nptl-aeabi_unwind_cpp_pr1.c: ... here.
+
+	* sysdeps/unix/sysv/linux/arm/configure.ac: Force -fexceptions here.
+	* sysdeps/unix/sysv/linux/arm/configure: Regenerated.
+	* sysdeps/unix/sysv/linux/arm/nptl/configure.ac: File removed.
+	* sysdeps/unix/sysv/linux/arm/nptl/configure: File removed.
+
 	* sysdeps/unix/sysv/linux/arm/clone.S: Include <tcb-offsets.h>.
 	Deconditionalize the code that was previously under [RESET_PID].
 	* sysdeps/unix/sysv/linux/arm/nptl/clone.S: File removed.

sysdeps/unix/sysv/linux/arm/Makefile

@@ -37,13 +37,21 @@ libcrypt-sysdep_routines += libc-do-syscall
 endif
 
 ifeq ($(subdir),rt)
-librt-sysdep_routines += libc-do-syscall
+librt-sysdep_routines += libc-do-syscall rt-aeabi_unwind_cpp_pr1
-librt-shared-only-routines += libc-do-syscall
+librt-shared-only-routines += libc-do-syscall rt-aeabi_unwind_cpp_pr1
 endif
 
 ifeq ($(subdir),nptl)
-libpthread-sysdep_routines += libc-do-syscall
+libpthread-sysdep_routines += libc-do-syscall nptl-aeabi_unwind_cpp_pr1
-libpthread-shared-only-routines += libc-do-syscall
+libpthread-shared-only-routines += libc-do-syscall nptl-aeabi_unwind_cpp_pr1
+
+# This test relies on compiling part of the binary with EH information,
+# part without, and unwinding through.  The .ARM.exidx tables have
+# start addresses for EH regions, but no end addresses.  Every
+# region an exception needs to propogate through must have unwind
+# information, or a previous function's unwind table may be used
+# by mistake.
+tests := $(filter-out tst-cleanupx4,$(tests))
 endif
 
 ifeq ($(subdir),resolv)

sysdeps/unix/sysv/linux/arm/Versions

@@ -37,4 +37,10 @@ libc {
   GLIBC_2.11 {
     fallocate64;
   }
+  GLIBC_PRIVATE {
+    # A copy of sigaction lives in libpthread, and needs these.
+    __default_sa_restorer; __default_rt_sa_restorer;
+    __default_sa_restorer_v1; __default_rt_sa_restorer_v1;
+    __default_sa_restorer_v2; __default_rt_sa_restorer_v2;
+  }
 }

sysdeps/unix/sysv/linux/arm/configure

@@ -4,3 +4,6 @@
 libc_cv_gcc_unwind_find_fde=no
 # Remove -fno-unwind-tables that was added in sysdeps/arm/preconfigure.ac.
 CFLAGS=${CFLAGS% -fno-unwind-tables}
+
+libc_cv_gcc_exceptions=yes
+exceptions=-fexceptions

sysdeps/unix/sysv/linux/arm/configure.ac

@@ -4,3 +4,9 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 libc_cv_gcc_unwind_find_fde=no
 # Remove -fno-unwind-tables that was added in sysdeps/arm/preconfigure.ac.
 CFLAGS=${CFLAGS% -fno-unwind-tables}
+
+dnl The normal configure check for gcc -fexecptions fails because it can't
+dnl find __aeabi_unwind_cpp_pr0.  Work around this here; our GCC definitely
+dnl has -fexceptions.
+libc_cv_gcc_exceptions=yes
+exceptions=-fexceptions

sysdeps/unix/sysv/linux/arm/nptl/Makefile

@@ -1,17 +0,0 @@
-ifeq ($(subdir),rt)
-librt-sysdep_routines += rt-aeabi_unwind_cpp_pr1
-librt-shared-only-routines += rt-aeabi_unwind_cpp_pr1
-endif
-
-ifeq ($(subdir),nptl)
-libpthread-sysdep_routines += nptl-aeabi_unwind_cpp_pr1
-libpthread-shared-only-routines += nptl-aeabi_unwind_cpp_pr1
-
-# This test relies on compiling part of the binary with EH information,
-# part without, and unwinding through.  The .ARM.exidx tables have
-# start addresses for EH regions, but no end addresses.  Every
-# region an exception needs to propogate through must have unwind
-# information, or a previous function's unwind table may be used
-# by mistake.
-tests := $(filter-out tst-cleanupx4,$(tests))
-endif

sysdeps/unix/sysv/linux/arm/nptl/Versions

@@ -1,8 +0,0 @@
-libc {
-  GLIBC_PRIVATE {
-    # A copy of sigaction lives in NPTL, and needs these.
-    __default_sa_restorer; __default_rt_sa_restorer;
-    __default_sa_restorer_v1; __default_rt_sa_restorer_v1;
-    __default_sa_restorer_v2; __default_rt_sa_restorer_v2;
-  }
-}

sysdeps/unix/sysv/linux/arm/nptl/configure

@@ -1,4 +0,0 @@
-# This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
-
-libc_cv_gcc_exceptions=yes
-exceptions=-fexceptions

sysdeps/unix/sysv/linux/arm/nptl/configure.ac

@@ -1,8 +0,0 @@
-dnl configure fragment for NPTL and ARM/Linux EABI.
-GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
-
-dnl The normal configure check for gcc -fexecptions fails because it can't
-dnl find __aeabi_unwind_cpp_pr0.  Work around this here; our GCC definitely
-dnl has -fexceptions.
-libc_cv_gcc_exceptions=yes
-exceptions=-fexceptions