diff options
| -rw-r--r-- | libjava/ChangeLog | 12 | ||||
| -rwxr-xr-x | libjava/configure | 4 | ||||
| -rw-r--r-- | libjava/configure.ac | 1 | ||||
| -rw-r--r-- | libjava/configure.host | 6 | ||||
| -rw-r--r-- | libjava/libgcj.spec.in | 2 | ||||
| -rw-r--r-- | libjava/sysdep/arm/locks.h | 58 | ||||
| -rw-r--r-- | libjava/testsuite/libjava.jni/jni.exp | 5 | ||||
| -rw-r--r-- | libjava/testsuite/libjava.jvmti/jvmti-interp.exp | 7 | ||||
| -rw-r--r-- | libjava/testsuite/libjava.jvmti/jvmti.exp | 4 |
9 files changed, 94 insertions, 5 deletions
diff --git a/libjava/ChangeLog b/libjava/ChangeLog index a4784e51ffb..e59c6d7851b 100644 --- a/libjava/ChangeLog +++ b/libjava/ChangeLog @@ -1,3 +1,15 @@ +2009-08-12 Andrew Haley <aph@redhat.com> + + * sysdep/arm/locks.h: Use atomic builtins For Linux EABI. + * configure.ac: Add ATOMICSPEC. + * libgcj.spec.in: Likewise. + * configure.host (arm*-linux*): Add -Wno-abi to cxxflags. + (testsuite/libjava.jvmti/jvmti-interp.exp): Likewise. + (testsuite/libjava.jvmti/jvmti.exp): Likewise. + (testsuite/libjava.jni/jni.exp): Likewise. + Set ATOMICSPEC. + Set LDFLAGS to work around libtool feature. + 2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> * configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force. diff --git a/libjava/configure b/libjava/configure index 9206e9153ca..ef299c98521 100755 --- a/libjava/configure +++ b/libjava/configure @@ -459,7 +459,7 @@ ac_includes_default="\ #endif" ac_subdirs_all="$ac_subdirs_all classpath libltdl" -ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os build_libsubdir build_subdir host_subdir target_subdir multi_basedir host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical LN_S mkinstalldirs ANTLR_JAR CREATE_GJDOC_TRUE CREATE_GJDOC_FALSE JAVA_MAINTAINER_MODE_TRUE JAVA_MAINTAINER_MODE_FALSE CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LDFLAGS INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE CXXDEPMODE am__fastdepCXX_TRUE am__fastdepCXX_FALSE AS ac_ct_AS LD ac_ct_LD AR ac_ct_AR RANLIB ac_ct_RANLIB JAR ZIP UNZIP MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LIBGCJ_CFLAGS LIBGCJ_CXXFLAGS LIBGCJ_JAVAFLAGS LIBGCJ_LD_SYMBOLIC LIBGCJ_LD_SYMBOLIC_FUNCTIONS LIBGCJDEBUG TOOLKIT XLIB_AWT_TRUE XLIB_AWT_FALSE X_AWT_TRUE X_AWT_FALSE GCJ_FOR_ECJX GCJH host_exeext INCLTDL LIBLTDL DIRLTDL LIBTOOL SED EGREP FGREP GREP DUMPBIN ac_ct_DUMPBIN NM OBJDUMP ac_ct_OBJDUMP lt_ECHO DSYMUTIL ac_ct_DSYMUTIL NMEDIT ac_ct_NMEDIT LIPO ac_ct_LIPO OTOOL ac_ct_OTOOL OTOOL64 ac_ct_OTOOL64 CPP CPPFLAGS CXXCPP GCJ GCJFLAGS GCJDEPMODE am__fastdepGCJ_TRUE am__fastdepGCJ_FALSE subdirs TESTSUBDIR_TRUE TESTSUBDIR_FALSE ECJ_BUILD_JAR ECJ_JAR BUILD_ECJ1_TRUE BUILD_ECJ1_FALSE INSTALL_ECJ_JAR_TRUE INSTALL_ECJ_JAR_FALSE JAVA_HOME_SET_TRUE JAVA_HOME_SET_FALSE JAVA_HOME SUPPRESS_LIBGCJ_BC_TRUE SUPPRESS_LIBGCJ_BC_FALSE BUILD_LIBGCJ_REDUCED_REFLECTION_TRUE BUILD_LIBGCJ_REDUCED_REFLECTION_FALSE INTERPRETER INTERPRETER_TRUE INTERPRETER_FALSE LIBFFI LIBFFIINCS PLATFORM USING_WIN32_PLATFORM_TRUE USING_WIN32_PLATFORM_FALSE USING_POSIX_PLATFORM_TRUE USING_POSIX_PLATFORM_FALSE USING_DARWIN_CRT_TRUE USING_DARWIN_CRT_FALSE SYSTEMSPEC ZLIBSPEC ZLIBTESTSPEC X_CFLAGS X_PRE_LIBS X_LIBS X_EXTRA_LIBS extra_ldflags_libjava extra_gij_ldflags extra_ldflags LIBSTDCXXSPEC LIBGCJTESTSPEC GCLIBS GCINCS GCDEPS GCSPEC JC1GCSPEC GCTESTSPEC USING_BOEHMGC_TRUE USING_BOEHMGC_FALSE USING_NOGC_TRUE USING_NOGC_FALSE THREADLIBS THREADINCS THREADDEPS THREADSPEC THREADSTARTFILESPEC THREADLDFLAGS THREADCXXFLAGS USING_POSIX_THREADS_TRUE USING_POSIX_THREADS_FALSE USING_WIN32_THREADS_TRUE USING_WIN32_THREADS_FALSE USING_NO_THREADS_TRUE USING_NO_THREADS_FALSE USE_LIBGCJ_BC_TRUE USE_LIBGCJ_BC_FALSE LIBGCJ_SPEC HASH_SYNC_SPEC USING_GCC_TRUE USING_GCC_FALSE LIBICONV LTLIBICONV PKG_CONFIG GTK_CFLAGS GTK_LIBS GLIB_CFLAGS GLIB_LIBS LIBART_CFLAGS LIBART_LIBS CLASSPATH_SEPARATOR ZLIBS SYS_ZLIBS ZINCS DIVIDESPEC CHECKREFSPEC EXCEPTIONSPEC BACKTRACESPEC IEEESPEC NATIVE_TRUE NATIVE_FALSE ENABLE_SHARED_TRUE ENABLE_SHARED_FALSE NEEDS_DATA_START_TRUE NEEDS_DATA_START_FALSE INSTALL_BINARIES_TRUE INSTALL_BINARIES_FALSE GCC_UNWIND_INCLUDE toolexecdir toolexecmainlibdir toolexeclibdir GCJVERSION dbexecdir gcjsubdir gxx_include_dir libstdcxx_incdir PERL SYSDEP_SOURCES ANONVERSCRIPT_TRUE ANONVERSCRIPT_FALSE LD_START_STATIC_SPEC LD_FINISH_STATIC_SPEC here python_mod_dir python_mod_dir_expanded MAKE INSTALL_AOT_RPM_TRUE INSTALL_AOT_RPM_FALSE CREATE_JAVA_HOME_TRUE CREATE_JAVA_HOME_FALSE gcc_suffix JAVA_VERSION BUILD_VERSION JVM_ROOT_DIR JVM_JAR_ROOT_DIR JVM_JAR_DIR JRE_DIR JRE_LNK SDK_LNK SDK_BIN_DIR SDK_LIB_DIR SDK_INCLUDE_DIR JRE_BIN_DIR JRE_LIB_DIR GCJ_BIN_DIR CPU OS LIBDIR LIBOBJS LTLIBOBJS' +ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os build_libsubdir build_subdir host_subdir target_subdir multi_basedir host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical LN_S mkinstalldirs ANTLR_JAR CREATE_GJDOC_TRUE CREATE_GJDOC_FALSE JAVA_MAINTAINER_MODE_TRUE JAVA_MAINTAINER_MODE_FALSE CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LDFLAGS INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE CXXDEPMODE am__fastdepCXX_TRUE am__fastdepCXX_FALSE AS ac_ct_AS LD ac_ct_LD AR ac_ct_AR RANLIB ac_ct_RANLIB JAR ZIP UNZIP MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LIBGCJ_CFLAGS LIBGCJ_CXXFLAGS LIBGCJ_JAVAFLAGS LIBGCJ_LD_SYMBOLIC LIBGCJ_LD_SYMBOLIC_FUNCTIONS LIBGCJDEBUG TOOLKIT XLIB_AWT_TRUE XLIB_AWT_FALSE X_AWT_TRUE X_AWT_FALSE GCJ_FOR_ECJX GCJH host_exeext INCLTDL LIBLTDL DIRLTDL LIBTOOL SED EGREP FGREP GREP DUMPBIN ac_ct_DUMPBIN NM OBJDUMP ac_ct_OBJDUMP lt_ECHO DSYMUTIL ac_ct_DSYMUTIL NMEDIT ac_ct_NMEDIT LIPO ac_ct_LIPO OTOOL ac_ct_OTOOL OTOOL64 ac_ct_OTOOL64 CPP CPPFLAGS CXXCPP GCJ GCJFLAGS GCJDEPMODE am__fastdepGCJ_TRUE am__fastdepGCJ_FALSE subdirs TESTSUBDIR_TRUE TESTSUBDIR_FALSE ECJ_BUILD_JAR ECJ_JAR BUILD_ECJ1_TRUE BUILD_ECJ1_FALSE INSTALL_ECJ_JAR_TRUE INSTALL_ECJ_JAR_FALSE JAVA_HOME_SET_TRUE JAVA_HOME_SET_FALSE JAVA_HOME SUPPRESS_LIBGCJ_BC_TRUE SUPPRESS_LIBGCJ_BC_FALSE BUILD_LIBGCJ_REDUCED_REFLECTION_TRUE BUILD_LIBGCJ_REDUCED_REFLECTION_FALSE INTERPRETER INTERPRETER_TRUE INTERPRETER_FALSE LIBFFI LIBFFIINCS PLATFORM USING_WIN32_PLATFORM_TRUE USING_WIN32_PLATFORM_FALSE USING_POSIX_PLATFORM_TRUE USING_POSIX_PLATFORM_FALSE USING_DARWIN_CRT_TRUE USING_DARWIN_CRT_FALSE SYSTEMSPEC ZLIBSPEC ZLIBTESTSPEC X_CFLAGS X_PRE_LIBS X_LIBS X_EXTRA_LIBS extra_ldflags_libjava extra_gij_ldflags extra_ldflags LIBSTDCXXSPEC LIBGCJTESTSPEC GCLIBS GCINCS GCDEPS GCSPEC JC1GCSPEC GCTESTSPEC USING_BOEHMGC_TRUE USING_BOEHMGC_FALSE USING_NOGC_TRUE USING_NOGC_FALSE THREADLIBS THREADINCS THREADDEPS THREADSPEC THREADSTARTFILESPEC THREADLDFLAGS THREADCXXFLAGS USING_POSIX_THREADS_TRUE USING_POSIX_THREADS_FALSE USING_WIN32_THREADS_TRUE USING_WIN32_THREADS_FALSE USING_NO_THREADS_TRUE USING_NO_THREADS_FALSE USE_LIBGCJ_BC_TRUE USE_LIBGCJ_BC_FALSE LIBGCJ_SPEC HASH_SYNC_SPEC USING_GCC_TRUE USING_GCC_FALSE LIBICONV LTLIBICONV PKG_CONFIG GTK_CFLAGS GTK_LIBS GLIB_CFLAGS GLIB_LIBS LIBART_CFLAGS LIBART_LIBS CLASSPATH_SEPARATOR ZLIBS SYS_ZLIBS ZINCS DIVIDESPEC CHECKREFSPEC EXCEPTIONSPEC BACKTRACESPEC IEEESPEC ATOMICSPEC NATIVE_TRUE NATIVE_FALSE ENABLE_SHARED_TRUE ENABLE_SHARED_FALSE NEEDS_DATA_START_TRUE NEEDS_DATA_START_FALSE INSTALL_BINARIES_TRUE INSTALL_BINARIES_FALSE GCC_UNWIND_INCLUDE toolexecdir toolexecmainlibdir toolexeclibdir GCJVERSION dbexecdir gcjsubdir gxx_include_dir libstdcxx_incdir PERL SYSDEP_SOURCES ANONVERSCRIPT_TRUE ANONVERSCRIPT_FALSE LD_START_STATIC_SPEC LD_FINISH_STATIC_SPEC here python_mod_dir python_mod_dir_expanded MAKE INSTALL_AOT_RPM_TRUE INSTALL_AOT_RPM_FALSE CREATE_JAVA_HOME_TRUE CREATE_JAVA_HOME_FALSE gcc_suffix JAVA_VERSION BUILD_VERSION JVM_ROOT_DIR JVM_JAR_ROOT_DIR JVM_JAR_DIR JRE_DIR JRE_LNK SDK_LNK SDK_BIN_DIR SDK_LIB_DIR SDK_INCLUDE_DIR JRE_BIN_DIR JRE_LIB_DIR GCJ_BIN_DIR CPU OS LIBDIR LIBOBJS LTLIBOBJS' ac_subst_files='' ac_pwd=`pwd` @@ -26421,6 +26421,7 @@ fi + if test "$NATIVE" = yes; then NATIVE_TRUE= NATIVE_FALSE='#' @@ -29989,6 +29990,7 @@ s,@CHECKREFSPEC@,$CHECKREFSPEC,;t t s,@EXCEPTIONSPEC@,$EXCEPTIONSPEC,;t t s,@BACKTRACESPEC@,$BACKTRACESPEC,;t t s,@IEEESPEC@,$IEEESPEC,;t t +s,@ATOMICSPEC@,$ATOMICSPEC,;t t s,@NATIVE_TRUE@,$NATIVE_TRUE,;t t s,@NATIVE_FALSE@,$NATIVE_FALSE,;t t s,@ENABLE_SHARED_TRUE@,$ENABLE_SHARED_TRUE,;t t diff --git a/libjava/configure.ac b/libjava/configure.ac index 1ab5bec75d6..7dfb5c58923 100644 --- a/libjava/configure.ac +++ b/libjava/configure.ac @@ -1447,6 +1447,7 @@ AC_SUBST(CHECKREFSPEC) AC_SUBST(EXCEPTIONSPEC) AC_SUBST(BACKTRACESPEC) AC_SUBST(IEEESPEC) +AC_SUBST(ATOMICSPEC) AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes) AM_CONDITIONAL(ENABLE_SHARED, test "$enable_shared" = yes) diff --git a/libjava/configure.host b/libjava/configure.host index 79ce4d68d95..1d1b7085e11 100644 --- a/libjava/configure.host +++ b/libjava/configure.host @@ -69,6 +69,7 @@ DIVIDESPEC=-fuse-divide-subroutine EXCEPTIONSPEC=-fnon-call-exceptions CHECKREFSPEC= BACKTRACESPEC= +ATOMICSPEC= # This case statement supports per-CPU defaults. case "${host}" in @@ -87,6 +88,11 @@ case "${host}" in libgcj_interpreter=yes sysdeps_dir=arm fallback_backtrace_h=sysdep/arm/backtrace.h + libgcj_cxxflags=-Wno-abi + ATOMICSPEC=-fuse-atomic-builtins + # Work around a strange libtool feature that causes libraries + # to be linked with libgcc_s but not libgcc. + LDFLAGS="${LDFLAGS} -Wl,-lgcc" ;; mips-tx39-*|mipstx39-unknown-*) libgcj_flags="${libgcj_flags} -G 0" diff --git a/libjava/libgcj.spec.in b/libjava/libgcj.spec.in index 72d715f5acd..b6850eb1e14 100644 --- a/libjava/libgcj.spec.in +++ b/libjava/libgcj.spec.in @@ -9,4 +9,4 @@ %rename lib liborig *lib: @LD_START_STATIC_SPEC@ @LIBGCJ_SPEC@ @LD_FINISH_STATIC_SPEC@ -lm @LIBICONV@ @GCSPEC@ @THREADSPEC@ @ZLIBSPEC@ @SYSTEMSPEC@ %(libgcc) @LIBSTDCXXSPEC@ %(liborig) -*jc1: @HASH_SYNC_SPEC@ @DIVIDESPEC@ @CHECKREFSPEC@ @JC1GCSPEC@ @EXCEPTIONSPEC@ @BACKTRACESPEC@ @IEEESPEC@ -fkeep-inline-functions +*jc1: @HASH_SYNC_SPEC@ @DIVIDESPEC@ @CHECKREFSPEC@ @JC1GCSPEC@ @EXCEPTIONSPEC@ @BACKTRACESPEC@ @IEEESPEC@ @ATOMICSPEC@ -fkeep-inline-functions diff --git a/libjava/sysdep/arm/locks.h b/libjava/sysdep/arm/locks.h index 1f7763de3f0..2a81e1111bc 100644 --- a/libjava/sysdep/arm/locks.h +++ b/libjava/sysdep/arm/locks.h @@ -13,6 +13,59 @@ details. */ typedef size_t obj_addr_t; /* Integer type big enough for object */ /* address. */ +#if (__ARM_EABI__ && __linux) + +// Atomically replace *addr by new_val if it was initially equal to old. +// Return true if the comparison succeeded. +// Assumed to have acquire semantics, i.e. later memory operations +// cannot execute before the compare_and_swap finishes. +inline static bool +compare_and_swap(volatile obj_addr_t *addr, + obj_addr_t old, + obj_addr_t new_val) +{ + return __sync_bool_compare_and_swap(addr, old, new_val); +} + +// Set *addr to new_val with release semantics, i.e. making sure +// that prior loads and stores complete before this +// assignment. +inline static void +release_set(volatile obj_addr_t *addr, obj_addr_t new_val) +{ + __sync_synchronize(); + *(addr) = new_val; +} + +// Compare_and_swap with release semantics instead of acquire semantics. +// On many architecture, the operation makes both guarantees, so the +// implementation can be the same. +inline static bool +compare_and_swap_release(volatile obj_addr_t *addr, + obj_addr_t old, + obj_addr_t new_val) +{ + return __sync_bool_compare_and_swap(addr, old, new_val); +} + +// Ensure that subsequent instructions do not execute on stale +// data that was loaded from memory before the barrier. +// On X86, the hardware ensures that reads are properly ordered. +inline static void +read_barrier() +{ + __sync_synchronize(); +} + +// Ensure that prior stores to memory are completed with respect to other +// processors. +inline static void +write_barrier() +{ + __sync_synchronize(); +} + +#else /* Atomic compare and exchange. These sequences are not actually atomic; there is a race if *ADDR != OLD_VAL and we are preempted @@ -54,8 +107,8 @@ release_set(volatile obj_addr_t *addr, obj_addr_t new_val) inline static bool compare_and_swap_release(volatile obj_addr_t *addr, - obj_addr_t old, - obj_addr_t new_val) + obj_addr_t old, + obj_addr_t new_val) { return compare_and_swap(addr, old, new_val); } @@ -77,3 +130,4 @@ write_barrier() } #endif +#endif diff --git a/libjava/testsuite/libjava.jni/jni.exp b/libjava/testsuite/libjava.jni/jni.exp index 65051287b5a..68dbd279033 100644 --- a/libjava/testsuite/libjava.jni/jni.exp +++ b/libjava/testsuite/libjava.jni/jni.exp @@ -165,6 +165,11 @@ proc gcj_jni_test_one {file} { lappend cxxflaglist "-lstdc++" } + # ARM C++ emits an ABI warning for varargs. + if { [istarget "arm*"] } { + lappend cxxflaglist "-Wno-abi" + } + set cxxflags [join $cxxflaglist] } diff --git a/libjava/testsuite/libjava.jvmti/jvmti-interp.exp b/libjava/testsuite/libjava.jvmti/jvmti-interp.exp index e81eda52025..62c82e92afc 100644 --- a/libjava/testsuite/libjava.jvmti/jvmti-interp.exp +++ b/libjava/testsuite/libjava.jvmti/jvmti-interp.exp @@ -32,7 +32,12 @@ proc gcj_jni_compile_c_to_so {file {options {}}} { set so_extension "so" set so_flag "-shared" } - + + # ARM C++ emits an ABI warning for varargs. + if { [istarget "arm*"] } { + lappend options "additional_flags=-Wno-abi" + } + set filename [file tail $file] set name [file rootname $filename] set soname lib${name}.${so_extension} diff --git a/libjava/testsuite/libjava.jvmti/jvmti.exp b/libjava/testsuite/libjava.jvmti/jvmti.exp index 578eeb1ef3f..571952e807c 100644 --- a/libjava/testsuite/libjava.jvmti/jvmti.exp +++ b/libjava/testsuite/libjava.jvmti/jvmti.exp @@ -16,6 +16,10 @@ proc gcj_jvmti_compile_cxx_to_o {file {options {}}} { lappend options "additional_flags=-I$srcdir/.." # Find jvmti.h, jvmti_md.h, jvmti-int.h, jvm.h requirements lappend options "additional_flags=-I$srcdir/../include -I$srcdir/../classpath/include -I$objdir/../include -I$objdir/../../boehm-gc/include " + # ARM C++ emits an ABI warning for varargs. + if { [istarget "arm*"] } { + lappend options "additional_flags=-Wno-abi" + } set x [libjava_prune_warnings \ [target_compile $file $oname object $options]] |