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2009-09-22cygming.h (TARGET_USE_JCR_SECTION): Enable.Dave Korn1-2/+9
gcc/ChangeLog * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable. * config/i386/cygwin.h (LIBGCJ_SONAME): Define. * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise. libjava/ChangeLog * configure.host (enable_libgcj_sublibs_default): New variable, set for Cygwin and MinGW. * configure.ac (--enable-libgcj-sublibs): New command-line switch. (BUILD_SUBLIBS): New AM_CONDITIONAL relating to it. (libgcj_spec_lgcj_override): New variable, define if building sublibs. (libgcj_spec_lgcj_bc_override): Likewise for when USE_LIBGCJ_BC. (LIBGCJ_SPEC_LGCJ): New variable to abstract "-lgcj" from specs. (LIBGCJ_SPEC_LGCJ_BC): Likewise for when USE_LIBGCJ_BC. (LIBGCJ_SPEC): Use them. * configure: Regenerate. * Makefile.am (LOWER_PACKAGE_FILES_LO): New variable. (ALL_PACKAGE_SOURCE_FILES_LO): Likewise. (NONCORE_PACKAGE_SOURCE_FILES_LO): Likewise. (CORE_PACKAGE_SOURCE_FILES_LO): Likewise. (toolexeclib_LTLIBRARIES): Add libgcj-noncore.la if building sublibs. (libgcj_noncore_la_LIBADD_SUBOBJECTS): New variable. (libgcj_la_LIBADD_SUBOBJECTS): Likewise. (libgcj_la_LDFLAGS_NOUNDEF): Likewise. (libgij_la_LDFLAGS): Add DLL-related options. (libgcj_la_LDFLAGS): Use libgcj_la_LDFLAGS_NOUNDEF and libgcj_la_LIBADD_SUBOBJECTS. (libgcj_la_DEPENDENCIES): Adjust to match. (libgcj_noncore_la_SOURCES, libgcj_noncore_la_LDFLAGS, libgcj_noncore_la_LIBADD, libgcj_noncore_la_DEPENDENCIES, libgcj_noncore_la_LINK): New automake variables for sublibrary. (libgcj_tools_la_LDFLAGS): Add DLL-related flags. (libgcj_tools_la_LIBADD): New variable. (libjvm_la_LDFLAGS): Add DLL-related flags. (lib_gnu_awt_xlib_la_LDFLAGS): Likewise. (libgcj_bc_la_LDFLAGS): Likewise. (libgij_la_DEPENDENCIES): Add dependency on libgcj-noncore.la when building sublibs. (libgcj_tools_la_DEPENDENCIES, libjvm_la_DEPENDENCIES, lib_gnu_awt_xlib_la_DEPENDENCIES, jv_convert_DEPENDENCIES, gcj_dbtool_DEPENDENCIES, gc_analyze_DEPENDENCIES, ecjx_DEPENDENCIES): Likewise. * Makefile.in: Regenerate. * sysdep/i386/backtrace.h (MAIN_FUNC): New #define for main function, set appropriately for Cygwin on that platform or to "main" elsewhere. (fallback_backtrace): Use it to limit stack unwind. libjava/libltdl/ChangeLog: * ltdl.h (LT_SCOPE): Change conditional to avoid breaking auto-export during libgcj DLL linking. * Makefile.am (libltdl_la_LDFLAGS): Remove -bindir switch. * Makefile.in: Regenerate. From-SVN: r152041
2006-11-28locks.h: Enable use of either file on either target to support multilibs ↵Mike Stump1-11/+19
from one to the... * sysdep/x86-64/locks.h: Enable use of either file on either target to support multilibs from one to the other. * sysdep/i386/locks.h: Likewise. From-SVN: r119276
2006-08-19backtrace.h (fallback_backtrace): Add "0x55 0x8B 0xEC" as another sequence ↵Ranjit Mathew1-4/+6
that can indicate a "pushl %ebp... * sysdep/i386/backtrace.h (fallback_backtrace): Add "0x55 0x8B 0xEC" as another sequence that can indicate a "pushl %ebp; movl %esp, %ebp" function prologue. From-SVN: r116258
2006-07-14stacktrace.cc (_Jv_StackTrace::GetStackTrace): Unconditionally use ↵Ranjit Mathew1-22/+52
_Unwind_Backtrace(). * stacktrace.cc (_Jv_StackTrace::GetStackTrace): Unconditionally use _Unwind_Backtrace(). (_Jv_StackTrace::GetCallerInfo): Enable even for targets using SJLJ EH. (_Jv_StackTrace::GetClassContext): Unconditionally use _Unwind_Backtrace(). (_Jv_StackTrace::GetFirstNonSystemClassLoader): Likewise. * sysdep/i386/backtrace.h (HAVE_FALLBACK_BACKTRACE): Do not define. (_Unwind_GetIPInfo): Define macro if SJLJ EH is in use. (_Unwind_GetRegionStart): Likewise. (_Unwind_Backtrace): Likewise. (fallback_backtrace): Accept additional unwind trace function argument. Call it during unwinding. Stop when any of _Jv_RunMain(), _Jv_ThreadStart() or main() is seen during unwinding. * sysdep/generic/backtrace.h (fallback_backtrace): Accept an additional unwind trace function argument. From-SVN: r115449
2006-07-07backtrace.h (fallback_backtrace): Scan for a function's prologue to ↵Ranjit Mathew1-22/+36
determine its beginning. * sysdep/i386/backtrace.h (fallback_backtrace): Scan for a function's prologue to determine its beginning. Stop unwinding when we reach JvRunMain(). From-SVN: r115261
2006-06-29javaprims.h (_Jv_uintptr_t): New typedef similar to uintptr_t in C99.Ranjit Mathew1-7/+32
* gcj/javaprims.h (_Jv_uintptr_t): New typedef similar to uintptr_t in C99. * include/java-stack.h: Include stdlib.h. (_Jv_AddrInfo): New structure to hold address information. * include/posix.h (_Jv_platform_dladdr): Declare. * include/win32.h (_Jv_platform_dladdr): Declare. (backtrace): Remove declaration. * posix.cc: Include dlfcn.h if available. Include java-stack.h. (_Jv_platform_dladdr): Define. * win32.cc: Include string.h. Include java-stack.h. (backtrace): Remove. (_Jv_platform_dladdr): Define. * sysdep/i386/backtrace.h (fallback_backtrace): Check that a potential frame pointer value is 32-bit word-aligned. Use operand of the CALL instruction calling the current function to find its starting address. * stacktrace.cc: Do not include dlfcn.h. Include platform.h. (_Jv_StackTrace::getLineNumberForFrame): Use _Jv_platform_dladdr() instead of dladdr(). (_Jv_StackTrace::GetStackTraceElements): Use nCodeMap even for Windows. (_Jv_StackTrace::GetClassContext): Use fallback_backtrace() for targets with SJLJ exceptions instead of using _Unwind_Backtrace(). (_Jv_StackTrace::GetFirstNonSystemClassLoader): Likewise. From-SVN: r115069
2005-03-10New Stack Trace infrastructure.Bryce McKinlay1-0/+42
2005-03-10 Bryce McKinlay <mckinlay@redhat.com> New Stack Trace infrastructure. * Makefile.am (libgcj0_convenience_la_SOURCES): Add stacktrace.cc. (gnu/gcj/runtime/StackTrace.lo): Removed. (ordinary_java_source_files): Remove obsolete files. (nat_source_files): Remove obsolete files. Add natVMThrowable.cc. * configure.host (fallback_backtrace_h): Set backtrace header for mingw and cygwin targets. * configure.ac: Make symlink for fallback backtrace headers. * Makefile.in, configure: Rebuilt. * defineclass.cc (_Jv_ClassReader::read_one_code_attribute): Read 'LineNumberTable' attribute. (_Jv_ClassReader::read_one_class_attribute): Read 'SourceFile' attribute. (_Jv_ClassReader::handleCodeAttribute): Initialize method line table fields. * exception.cc: Remove unused include. * interpret.cc (DIRECT_THREADED, insn_slot): Moved to java-interp.h. (SAVE_PC): New macro. Save current PC in the interpreter frame. (NULLCHECK, NULLARRAYCHECK): Use SAVE_PC. (_Jv_InterpMethod::compile): Translate bytecode PC values in the line table to direct threaded instruction values. (_Jv_StartOfInterpreter, _Jv_EndOfInterpreter): Removed. (_Jv_InterpMethod::run): No longer member function. All callers updated. Remove _Unwind calls. Call SAVE_PC whenever a call is made or where an instruction could throw. (_Jv_InterpMethod::get_source_line): New. Look up source line numbers in line_table. * prims.cc (catch_segv): Construct exception after MAKE_THROW_FRAME. (catch_fpe): Likewise. * stacktrace.cc: New file. Stack trace code now here. * gnu/gcj/runtime/MethodRef.java: * gnu/gcj/runtime/NameFinder.java: Mostly reimplemented. Now simply calls addr2line to look up PC addresses in a given binary or shared library. * gnu/gcj/runtime/StackTrace.java, gnu/gcj/runtime/natNameFinder.cc, gnu/gcj/runtime/natStackTrace.cc: Removed. * gnu/java/lang/MainThread.java (call_main): Add comment warning that this function name is specially recognised by the stack trace code and shouldn't be changed. * include/java-interp.h (DIRECT_THREADED, insn_slot): Moved here. (struct _Jv_LineTableEntry, line_table, line_table_len): New. (_Jv_InterpMethod::run): Update declaration. (_Jv_StackTrace_): New friend. NameFinder and StackTrace no longer friends. (_Jv_InterpFrame): Renamed from _Jv_MethodChain. Add PC field. * include/java-stack.h: New file. Declarations for stack tracing. * include/jvm.h (_Jv_Frame_info): Removed. * java/lang/Class.h: Update friend declarations. * java/lang/VMClassLoader.java (getSystemClassLoader): Simplify exception message. * java/lang/VMThrowable.java (fillInStackTrace): Now native. (getStackTrace): Now native. (data): New RawDataManaged field. * java/lang/natClass.cc: Update includes. (forName): Use _Jv_StackTrace::GetCallingClass for calling-classloader check. (getClassLoader): Likewise. * java/lang/natRuntime.cc: Update includes. (_load): Use _Jv_StackTrace::GetFirstNonSystemClassLoader. * java/lang/natVMSecurityManager.cc: Update includes. (getClassContext): Use _Jv_StackTrace::GetClassContext. * java/lang/natVMThrowable.cc: New file. Native methods for VMThrowable. * java/lang/reflect/natArray.cc: Update includes. (newInstance): Use _Jv_StackTrace::GetCallingClass to implement accessibility check. * java/lang/reflect/natConstructor.cc: Update includes. (newInstance): Use _Jv_StackTrace::GetCallingClass to implement accessibility check. * java/lang/reflect/natField.cc: Update includes. (getAddr): Use _Jv_StackTrace::GetCallingClass to implement accessibility check. * java/lang/reflect/natMethod.cc: Update includes. (invoke): Use _Jv_StackTrace::GetCallingClass to implement accessibility check. * java/util/natResourceBundle.cc: Update includes. (getCallingClassLoader): Use _Jv_StackTrace::GetCallingClass. * java/util/logging/natLogger.cc: Update includes. Use _Jv_StackTrace::GetCallerInfo to get call-site info. * sysdep/generic/backtrace.h: Fallback backtrace code. Stub implementation. * sysdep/i386/backtrace.h: New. Fallback backtrace code. i386 implementation. From-SVN: r96253
2004-01-16locks.h: Don't use in/out memory constraints.Andrew Haley1-2/+2
2004-01-16 Andrew Haley <aph@redhat.com> * sysdep/x86-64/locks.h: Don't use in/out memory constraints. * sysdep/i386/locks.h: Likewise. From-SVN: r75982
2002-03-21posix-threads.cc (_Jv_ThreadSelf_out_of_line): Use write_barrier, not ↵Bryce McKinlay1-0/+8
release_set. * posix-threads.cc (_Jv_ThreadSelf_out_of_line): Use write_barrier, not release_set. * sysdep/powerpc/locks.h (write_barrier): New function. * sysdep/i386/locks.h (write_barrier): New function. From-SVN: r51101
2002-03-10configure.in: Define SLOW_PTHREAD_SELF if configure.host set slow_pthread_self.Bryce McKinlay1-0/+65
libjava: * configure.in: Define SLOW_PTHREAD_SELF if configure.host set slow_pthread_self. Set up symlink for sysdeps directory. * configure.host: Document more shell variables. Set sysdeps_dir for most platforms. Set slow_pthread_self for i686. Set enable_hash_synchronization_default and slow_pthread_self for PowerPC. * posix-threads.cc (_Jv_ThreadSelf_out_of_line): Use release_set so that memory barrier is emitted where required. * include/posix-threads.h (_Jv_ThreadSelf for SLOW_PTHREAD_SELF): Add read_barrier() to enforce ordering of reads. * sysdep/powerpc/locks.h: New file. Implementation of synchronization primitives for PowerPC. * sysdep/i386/locks.h: New file. Synchronization primitives for i386 moved from natObject.cc. * sysdep/alpha/locks.h: Likewise. * sysdep/ia64/locks.h: Likewise. * sysdep/generic/locks.h: Likewise. * java/lang/natObject.cc: Move thread synchronization primitives to system-dependent headers. gcc/java: * decl.c (java_init_decl_processing): Make sure class_type_node alignment is not less than 64 bits if hash synchronization is enabled. boehm-gc: * include/gc_priv.h: Define ALIGN_DOUBLE on 32 bit targets if GCJ support is enabled, for hash synchronization. [[Split portion of a mixed commit.]] From-SVN: r50518.2