Commit Graph

12 Commits

Author SHA1 Message Date
Andrew Haley
f005dd79c5 i386-signal.h: Rewrite to use rt_sigaction.
2007-01-12  Andrew Haley  <aph@redhat.com>

        * include/i386-signal.h: Rewrite to use rt_sigaction.

From-SVN: r120721
2007-01-12 12:30:56 +00:00
Andrew Haley
9d5b51ff57 2007-01-11 Andrew Haley <aph@redhat.com>
* prims.cc (jdwpOptions) Fix deprecated cast from char[] constant
        to char*.
        * include/x86_64-signal.h (HANDLE_DIVIDE_OVERFLOW): Rewrite to fix
        aliasing violation.

From-SVN: r120672
2007-01-11 13:54:49 +00:00
Andrew Haley
e92857a103 x86_64-signal.h (HANDLE_DIVIDE_OVERFLOW): New.
2006-04-10  Andrew Haley  <aph@redhat.com>

        * include/x86_64-signal.h (HANDLE_DIVIDE_OVERFLOW): New.
        (SIGNAL_HANDLER): Mark arg as unused.
        * configure.host (x86_64-* DIVIDESPEC): Use
        fno-use-divide-subroutine.

From-SVN: r112827
2006-04-10 16:01:23 +00:00
Jakub Jelinek
754e45a867 re PR other/26208 (Serious problem with unwinding through signal frames)
PR other/26208
	* unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
	(extract_cie_info): Handle S flag in augmentation string.
	(execute_cfa_program): If context->signal_frame, execute also
	fs->pc == context->ra instructions.
	(uw_frame_state_for): If context->signal_frame, don't subtract one
	from context->ra to find FDE.
	(uw_update_context_1): Set context->signal_frame to
	fs->signal_frame.
	(_Unwind_GetIPInfo): New function.
	* unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
	* unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
	of _Unwind_GetIP.
	* unwind-sjlj.c (_Unwind_GetIPInfo): New function.
	* unwind-generic.h (_Unwind_GetIPInfo): New prototype.
	* unwind-compat.c (_Unwind_GetIPInfo): New function.
	* libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
	* config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
	* config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
	* config/i386/linux-unwind.h (x86_fallback_frame_state,
	x86_64_fallback_frame_state): Set fs->signal_frame.
	* config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
	(MD_FROB_UPDATE_CONTEXT): Define unconditionally.
	(frob_update_context): Likewise.  Workaround missing S flag in
	Linux 2.6.12 - 2.6.16 kernel vDSOs.
	* config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
	Remove the psw_addr + 1 hack.
libjava/
	* exception.cc (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
	of _Unwind_GetIP.
	* include/i386-signal.h (MAKE_THROW_FRAME): Change into empty macro.
	(HANDLE_DIVIDE_OVERFLOW): Don't adjust _res->eip if falling through
	to throw.
	* include/x86_64-signal.h (MAKE_THROW_FRAME): Change into empty
	macro.
	* include/powerpc-signal.h (MAKE_THROW_FRAME): Change into empty
	macro.
libstdc++-v3/
	* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Use
	_Unwind_GetIPInfo instead of _Unwind_GetIP.

From-SVN: r111488
2006-02-27 18:26:26 +01:00
Bryce McKinlay
1349c68851 re PR libgcj/25187 (dereferencing type-punned pointer warnings while building libgcj)
2006-02-08  Bryce McKinlay  <mckinlay@redhat.com>

        PR libgcj/25187:
        * gnu/gcj/io/natSimpleSHSStream.cc
        (gnu::gcj::io::SimpleSHSStream::shsFinal): Remove bogus cast.
        * interpret.cc (_Jv_InterpMethod::run): Simplify arguments to
        _Jv_InterpFrame().
        * boehm.cc: #undef some autoconf macros before including gc-config.h.
        (_Jv_MarkObject): Don't mark the class, it is reachable via the vtable.
        (_Jv_MarkArray): Likewise.
        * java/lang/ref/natReference.cc (java::lang::ref::Reference::create):
        Simplify _Jv_GCRegisterDisappearingLink() call.
        * java/lang/Class.h (getComponentType): Use element_type.
        (element_type): New field declaration, as a union with "methods".
        * java/lang/natClassLoader.cc (_Jv_NewArrayClass): Use "element_type".
        * java/net/natVMNetworkInterfacePosix.cc
        (java::net::VMNetworkInterface::getInterfaces): Add "int" cast to
        avoid sign comparison warning.
        * include/java-interp.h (_Jv_InterpFrame): Take thread as second
        argument, not parent call frame.
        * include/x86_64-signal.h (MAKE_THROW_FRAME): Use "gregs" directly,
        without a cast.
        (restore_rt): Declare with hidden visibility, not "static".
        * posix.cc (_Jv_platform_initProperties): Make "tmpdir" a string
        constant.
        * jni.cc (_Jv_JNI_DestroyJavaVM): Use a union to avoid strict alias
        warning

From-SVN: r110783
2006-02-09 01:35:33 +00:00
H.J. Lu
a79ae89424 re PR libgcj/25840 (libjava is broken on Linux/x86-64)
2006-01-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR libgcj/25840
	* include/x86_64-signal.h (RESTORE2): Add ".text\n".

From-SVN: r109909
2006-01-18 12:04:50 -08:00
Andreas Jaeger
fb1b37c797 * include/x86_64-signal.h: Fix typo.
From-SVN: r77491
2004-02-08 18:35:52 +01:00
Jakub Jelinek
02731d29be linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Corrected to handle kernels with changed ucontext.
* config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR)
	[!__powerpc64__]: Corrected to handle kernels with changed ucontext.

	* include/powerpc-signal.h: Add #ifndef __powerpc64__ around the
	header.  For __powerpc64__ provide the default-signal.h definitions
	for now.
	* include/x86_64-signal.h [!__x86_64__]: Include java-signal-aux.h
	instead of the dummy definitions.
	* configure.host (x86_64-*): Remove CHECKREFSPEC, add DIVIDESPEC.
	(powerpc64*-*): Remove with_libffi_default.
	Only add -mminimal-toc for 64-bit compilations.
	* configure.in: Use powerpc-signal.h on powerpc64 as well.
	(x86_64-*-linux*): Set SIGNAL_HANDLER_AUX.
	Link SIGNAL_HANDLER_AUX to include/java-signal-aux.h.
	* configure: Rebuilt.

From-SVN: r76437
2004-01-23 18:32:16 +01:00
Andrew Haley
bec3e66d1a prims.cc (catch_segv): Create exception in handler.
2003-06-12  Andrew Haley  <aph@redhat.com>

        * prims.cc (catch_segv): Create exception in handler.
        (catch_fpe): Likewise.
        (_Jv_divI, _Jv_remI, _Jv_divJ, _Jv_remJ): Likewise.
        (_Jv_ThrowSignal): Remove.

        * include/x86_64-signal.h (INIT_SEGV): Delete reference to nullp.
        * include/default-signal.h (INIT_SEGV, INIT_FPE): Delete reference
        to nullp and arithexception.
        * include/dwarf2-signal.h (INIT_SEGV, INIT_FPE): Likewise.
        * include/i386-signal.h (INIT_SEGV, INIT_FPE): Likewise.
        * include/s390-signal.h (INIT_SEGV, INIT_FPE): Likewise.
        * include/sparc-signal.h (INIT_SEGV, INIT_FPE): Likewise.
        * include/win32-signal.h (INIT_SEGV, INIT_FPE): Likewise.

From-SVN: r67892
2003-06-13 12:20:45 +00:00
Andrew Haley
9f47031337 x86_64-signal.h (MAKE_THROW_FRAME): Mark sigcontext on stack volatile to prevent optimization from removing it.
2003-06-03  Andrew Haley  <aph@redhat.com>

        * include/x86_64-signal.h (MAKE_THROW_FRAME): Mark sigcontext on
        stack volatile to prevent optimization from removing it.

From-SVN: r67379
2003-06-03 16:13:22 +00:00
Andrew Haley
f8061f6ab4 x86_64-signal.h: Add simple handler for x86_64 32-bit mode.
2003-01-22  Andrew Haley  <aph@redhat.com>

        * x86_64-signal.h: Add simple handler for x86_64 32-bit mode.
        * configure.host (CHECKREFSPEC): Define for x86_64.

From-SVN: r61600
2003-01-22 17:47:04 +00:00
Andrew Haley
399df6db87 dwarf2-signal.h: Remove x86_64.
2003-01-10  Andrew Haley  <aph@redhat.com>

        * include/dwarf2-signal.h: Remove x86_64.
        * configure.host (x86_64 DIVIDESPEC): Remove.
        * include/x86_64-signal.h: New file.
        * configure.in: Regenerate.

From-SVN: r61284
2003-01-14 13:51:15 +00:00