atomicity.h: New, forward declarations for __atomic_add and __exchange_and_add.

2004-02-25  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/atomicity.h: New, forward declarations for __atomic_add
	and __exchange_and_add.
	* config/cpu/generic/atomic_word.h: New, typdef for atomic word.
	* config/cpu/cris/atomic_word.h: Same.
	* config/cpu/sparc/atomic_word.h: Same.
	* include/bits/ios_base.h (_Callback_list::_M_remove_reference):
	Qualifiy with __gnu_cxx.
	(_Callback_list::_M_add_reference): Same.
	* include/bits/locale_classes.h (locale::facet::_M_add_reference): Add.
	(locale::facet::_M_remove_reference): Same.
	(locale::_Impl::_M_add_reference): Add.
	(locale::_Impl::_M_remove_reference): Same.
	* include/bits/basic_string.h (basic_string::_Rep::_M_refcopy): Same.
	(basic_string::_Rep::_M_dispose): Same.
	* src/ios.cc (ios_base::xalloc): Same.
	* src/ios_init.cc (ios_base::Init::Init): Same.
	(ios_base::Init::~Init): Same.
	* src/locale.cc (locale::id::_M_id): Same.
	* config/cpu/i486/atomicity.h: Use __gnu_cxx namespace. Remove
	static, and inline keyworks.
	* config/cpu/alpha/atomicity.h: Same.
	* config/cpu/cris/atomicity.h: Same.
	* config/cpu/generic/atomicity.h: Same.
	* config/cpu/hppa/atomicity.h: Same.
	* config/cpu/i386/atomicity.h: Same.
	* config/cpu/ia64/atomicity.h: Same.
	* config/cpu/m68k/atomicity.h: Same.
	* config/cpu/mips/atomicity.h: Same.
	* config/cpu/powerpc/atomicity.h: Same.
	* config/cpu/s390/atomicity.h: Same.
	* config/cpu/sparc/atomicity.h: Same.

	* src/Makefile.am (host_sources): Add atomicity.cc.
	(atomicity.cc): New rule.
	* src/Makefile.in: Regenerate.
	* include/Makefile.am (host_headers): Remove host atomicity.h.
	(host_headers): Add atomic_word.h.
	(bits_headers): Add bits atomicity.h.
	Change ATOMICITY_INC_SRCDIR to ATOMICITY_SRCDIR.
	* include/Makefile.in: Regenerate.
	* configure.host (atomic_word_dir): Add.
	* configure.ac: Substitute ATOMIC_WORD_SRCDIR. Change
	ATOMICITY_INC_SRCDIR to ATOMICITY_SRCDIR.
	* configure: Regenerate.
	* config/linker-map.gnu: Export __exchange_and_add, and __atomic_add.

	* testsuite/27_io/ios_base/cons/assign_neg.cc: Adjust line numbers.
	* testsuite/27_io/ios_base/cons/copy_neg.cc: Same.

From-SVN: r78544

1 files changed, 23 insertions, 8 deletions

diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host
index a3d3232..f6492b2 100644
--- a/libstdc++-v3/configure.host
+++ b/libstdc++-v3/configure.host
@@ -30,9 +30,12 @@
 #   abi_baseline_pair      directory name for ABI compat testing,
 #                          defaults to host_cpu-host_os (as per config.guess)
 #
-#   atomicity_include_dir  location of atomicity.h,
+#   atomicity_dir          location of atomicity.h,
 #                          defaults to cpu_include_dir
 #
+#   atomic_word_dir        location of atomic_word.h
+#                          defaults to generic.
+#
 # It possibly modifies the following variables:
 #
 #   OPT_LDFLAGS            extra flags to pass when linking the library, of
@@ -57,6 +60,7 @@
 # systems out there.  :-)
 c_model=c_std
 c_compatibility=no
+atomic_word_dir=cpu/generic
 
 # HOST-SPECIFIC OVERRIDES
 # Set any CPU-dependent bits.
@@ -102,11 +106,22 @@ case "${host_cpu}" in
     ;;
 esac
 
+# Set specific CPU overrides for atomic_word_dir. Most can just use generic.
+# THIS TABLE IS SORTED.  KEEP IT THAT WAY.
+case "${host_cpu}" in
+  cris*)
+    atomic_word_dir=cpu/cris
+    ;;
+  sparc* | ultrasparc)
+    atomic_word_dir=cpu/sparc
+    ;;
+esac
+
 # Now look for the file(s) usually tied to a CPU model, and make
 # default choices for those if they haven't been explicitly set
 # already.  
 cpu_include_dir="cpu/${try_cpu}"
-atomicity_include_dir=$cpu_include_dir
+atomicity_dir=$cpu_include_dir
 abi_baseline_pair=${try_cpu}-${host_os}
 
 
@@ -122,16 +137,16 @@ case "${host_os}" in
     # os/aix/atomicity.h works on earlier versions of AIX 4.*, so we
     # explicitly duplicate the directory for 4.[<3].
     os_include_dir="os/aix"
-    atomicity_include_dir="os/aix"
+    atomicity_dir="os/aix"
     OPT_LDFLAGS="-Wl,-G"
     ;;
   aix4.*)
     os_include_dir="os/generic"
-    atomicity_include_dir="os/aix"
+    atomicity_dir="os/aix"
     ;;
   aix*)
     os_include_dir="os/generic"
-    atomicity_include_dir="cpu/generic"
+    atomicity_dir="cpu/generic"
     ;;
   bsd*)
     # Plain BSD attempts to share FreeBSD files.
@@ -155,11 +170,11 @@ case "${host_os}" in
   irix[1-6] | irix[1-5].* | irix6.[0-4]*)
     # This is known to work on at least IRIX 5.2 and 6.3.
     os_include_dir="os/irix/irix5.2"
-    atomicity_include_dir=$os_include_dir
+    atomicity_dir=$os_include_dir
     ;;
   irix6.5*)
     os_include_dir="os/irix/irix6.5"
-    atomicity_include_dir=$os_include_dir
+    atomicity_dir=$os_include_dir
     ;;
   mingw32*)
     os_include_dir="os/mingw32"
@@ -205,7 +220,7 @@ esac
 # THIS TABLE IS SORTED.  KEEP IT THAT WAY.
 case "${host}" in
   mips*-*-linux*)
-    atomicity_include_dir="cpu/mips"
+    atomicity_dir="cpu/mips"
     ;;
   x86_64-*-linux*)
     abi_baseline_pair="x86_64-linux-gnu"