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
* 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
* 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
* 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
* 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
* 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
2005-03-10 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
* 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
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
