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28 Commits

Author SHA1 Message Date
Jakub Jelinek
99dee82307 Update copyright years. 2021-01-04 10:26:59 +01:00
Jakub Jelinek
8d9254fc8a Update copyright years. 
From-SVN: r279813
 2020-01-01 12:51:42 +01:00
Jakub Jelinek
a554497024 Update copyright years. 
From-SVN: r267494
 2019-01-01 13:31:55 +01:00
Jakub Jelinek
85ec4feb11 Update copyright years. 
From-SVN: r256169
 2018-01-03 11:03:58 +01:00
Jakub Jelinek
cbe34bb5ed Update copyright years. 
From-SVN: r243994
 2017-01-01 13:07:43 +01:00
Jakub Jelinek
818ab71a41 Update copyright years. 
From-SVN: r232055
 2016-01-04 15:30:50 +01:00
Jakub Jelinek
5624e564d2 Update copyright years. 
From-SVN: r219188
 2015-01-05 13:33:28 +01:00
Alexey Merzlyakov
a852a67c02 re PR target/61223 (libstdc++ build fail due to pop lr register) 
2014-05-20  Alexey Merzlyakov  <alexey.merzlyakov@samsung.com>

	PR libstdc++/61223
	Revert:
	2014-05-16  Alexey Merzlyakov  <alexey.merzlyakov@samsung.com>

	PR libstdc++/60758
	* libsupc++/eh_arm.cc (__cxa_end_cleanup): Change r4 to lr in save/restore
	and add unwind directives.

From-SVN: r210650
 2014-05-20 17:25:26 +00:00
Alexey Merzlyakov
2a2794f7be re PR libstdc++/60758 (Infinite backtrace in __cxa_end_cleanup) 
2014-05-16  Alexey Merzlyakov  <alexey.merzlyakov@samsung.com>

	PR libstdc++/60758
	* libsupc++/eh_arm.cc (__cxa_end_cleanup): Change r4 to lr in save/restore
	and add unwind directives.

From-SVN: r210515
 2014-05-16 13:16:33 +00:00
Richard Sandiford
aa118a03c4 Update copyright years in libstdc++-v3/ 
From-SVN: r206301
 2014-01-02 22:30:10 +00:00
Richard Sandiford
405feeb871 Update copyright in libstdc++-v3. 
From-SVN: r195701
 2013-02-03 17:54:05 +00:00
Jakub Jelinek
90d04a445c Update Copyright years for files modified in 2011 and/or 2012. 
From-SVN: r194903
 2013-01-04 13:49:55 +01:00
Paul Brook
1e874273f8 arm.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. 
2011-09-13  Paul Brook  <paul@codesourcery.com>
 
	gcc/
	* config/arm/arm.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
	(ARM_TARGET2_DWARF_FORMAT): Provide default definition.
	* config/arm/linux-eabi.h (ARM_TARGET2_DWARF_FORMAT): Define.
	* config/arm/symbian.h (ARM_TARGET2_DWARF_FORMAT): Define.
	* config/arm/uclinux-eabi.h(ARM_TARGET2_DWARF_FORMAT): Define.
	* config/arm/t-bpabi (EXTRA_HEADERS): Add unwind-arm-common.h.
	* config/arm/t-symbian (EXTRA_HEADERS): Add unwind-arm-common.h.
	* config/c6x/c6x.c (c6x_output_file_unwind): Don't rely on dwarf2 code
	enabling unwind tables.
	(c6x_debug_unwind_info): New function.
	(TARGET_ARM_EABI_UNWINDER): Define.
	(TARGET_DEBUG_UNWIND_INFO): Define.
	* config/c6x/c6x.h (DWARF_FRAME_RETURN_COLUMN): Define.
	(TARGET_EXTRA_CFI_SECTION): Remove.
	* config/c6x/t-c6x-elf (EXTRA_HEADERS): Set.
	* ginclude/unwind-arm-common.h: New file.

	libgcc/
	* config.host (tic6x-*-*): Add c6x/t-c6x-elf.  Set unwind_header.
	* unwind-c.c (PERSONALITY_FUNCTION): Use UNWIND_POINTER_REG.
	* unwind-arm-common.inc: New file.
	* config/arm/unwind-arm.c: Use unwind-arm-common.inc.
	* config/arm/unwind-arm.h: Use unwind-arm-common.h.
	(_GLIBCXX_OVERRIDE_TTYPE_ENCODING): Define.
	* config/c6x/libunwind.S: New file.
	* config/c6x/pr-support.c: New file.
	* config/c6x/unwind-c6x.c: New file.
	* config/c6x/unwind-c6x.h: New file.
	* config/c6x/t-c6x-elf: New file.


	libstdc++-v3/
	* libsupc++/eh_arm.cc (__cxa_end_cleanup): Add C6X implementation.
	* libsupc++/eh_call.cc (__cxa_call_unexpected): Set rtti_base.
	* libsupc++/eh_personality.cc (NO_SIZE_OF_ENCODED_VALUE): Remove
	__ARM_EABI_UNWINDER__ check.
	(parse_lsda_header): Check _GLIBCXX_OVERRIDE_TTYPE_ENCODING.
	(get_ttype_entry): Use generic implementation on ARM EABI.
	(check_exception_spec): Use _Unwind_decode_typeinfo_ptr and
	UNWIND_STACK_REG.
	(PERSONALITY_FUNCTION): Set ttype_base.

From-SVN: r178808
 2011-09-13 12:48:33 +00:00
Nathan Sidwell
3a86cfeb42 unwind-arm.c (enum __cxa_type_match_result): New. 
gcc/
	* config/arm/unwind-arm.c (enum __cxa_type_match_result): New.
	(cxa_type_match): Correct declaration.
	(__gnu_unwind_pr_common): Reconstruct
	additional indirection when __cxa_type_match returns
	succeeded_with_ptr_to_base.

	libstdc++/
	* libsupc++/eh_arm.c (__cxa_type_match): Construct address of
	thrown object here.  Return succeded_with_ptr_to_base for all
	pointer cases.

From-SVN: r175641
 2011-06-29 14:18:48 +00:00
Jakub Jelinek
d652f226fc Update Copyright years for files modified in 2010. 
From-SVN: r168438
 2011-01-03 21:52:22 +01:00
Khem Raj
ded396e753 re PR libstdc++/44461 (__cxa_end_cleanup ends up in wrong section i.e. not in .text) 
2010-06-09  Khem Raj  <raj.khem@gmail.com>

	PR libstdc++/44461
	* libsupc++/eh_arm.cc (__cxa_end_cleanup): Use .pushsection/.popsection
	to emit inline assembly into .text section.

From-SVN: r160488
 2010-06-09 15:34:45 +00:00
Jakub Jelinek
748086b7b2 Licensing changes to GPLv3 resp. GPLv3 with GCC Runtime Exception. 
From-SVN: r145841
 2009-04-09 17:00:19 +02:00
Paolo Carlini
30a333ceeb [multiple changes] 
2008-08-23  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/lib/libstdc++.exp (check_v3_target_atomic_builtins): Add.
	* testsuite/lib/dg-options.exp (dg-require-atomic-builtins): Likewise.
	* testsuite/18_support/exception_ptr/current_exception.cc: Use it.
        * testsuite/18_support/exception_ptr/rethrow_exception.cc: Likewise.
        * testsuite/18_support/exception_ptr/lifespan.cc: Likewise.

2008-08-23  Sebastian Redl <sebastian.redl@getdesigned.at>

	Add (again) exception propagation support as per N2179.  Feature is
	available only when _GLIBCXX_ATOMIC_BUILTINS_4 is defined.
	* libsupc++/exception_ptr.h (exception_ptr, current_exception,
        copy_exception, rethrow_exception): New file, implement exception
	propagation.
        * libsupc++/eh_ptr.cc (exception_ptr, current_exception,
        rethrow_exception, __gxx_dependent_exception_cleanup): Likewise.
        * libsupc++/unwind-cxx.h (__cxa_exception): Add reference count.
	(__cxa_dependent_exception, __cxa_allocate_dependent_exception,
        __cxa_free_dependent_exception, __get_dependent_exception_from_ue,
        __GXX_INIT_DEPENDENT_EXCEPTION_CLASS, __is_dependent_exception,
        __gxx_dependent_exception_class, __get_object_from_ue,
        __get_object_from_ambiguous_exception): Add.
        (__GXX_INIT_EXCEPTION_CLASS, __gxx_exception_class): Rename.
        (__is_gxx_exception_class): Handle dependent exceptions.
        * libsupc++/eh_arm.cc (__cxa_type_match): Likewise.
        * libsupc++/eh_call.cc (__cxa_call_unexpected): Likewise.
        * libsupc++/eh_personality.cc (__gxx_personality_*): Likewise.
        * libsupc++/eh_type.cc (__cxa_current_exception_type): Likewise.
        * libsupc++/eh_alloc.cc (__cxa_allocate_dependent_exception,
        __cxa_free_dependent_exception): Add.
        * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Handle reference
        counting.
        * libsupc++/exception: Conditionally include exception_ptr.h.
        * libsupc++/Makefile.am: Register new files.
        * libsupc++/Makefile.in: Regenerate.
        * config/abi/pre/gnu.ver: Add new symbols.
        * testsuite/18_support/exception_ptr/current_exception.cc: Test the
        core functionality of current_exception().
        * testsuite/18_support/exception_ptr/rethrow_exception.cc: Test the
        core functionality of rethrow_exception().
        * testsuite/18_support/exception_ptr/lifespan.cc: Test the life span of
        exception objects during exception propagation.

From-SVN: r139509
 2008-08-23 11:28:30 +00:00
Paolo Carlini
9b410dd0ec 2008-08-22 Paolo Carlini <paolo.carlini@oracle.com> 
Revert again the N2179 patch.

From-SVN: r139497
 2008-08-22 18:59:41 +00:00
Paolo Carlini
6d419a6ef3 Re-instate last patch... 
2008-08-13  Paolo Carlini  <paolo.carlini@oracle.com>

	Re-instate last patch, amended to use __exchange_and_add_dispatch
	and __atomic_add_dispatch in eh_ptr.cc and eh_throw.cc.

From-SVN: r139091
 2008-08-14 01:17:09 +00:00
Paolo Carlini
ec001bc928 2008-08-13 Paolo Carlini <paolo.carlini@oracle.com> 
Revert the last patch.

From-SVN: r139074
 2008-08-13 20:08:55 +00:00
Sebastian Redl
0292e6d2bb Add exception propagation support as per N2179. 
2008-08-13  Sebastian Redl <sebastian.redl@getdesigned.at>

	Add exception propagation support as per N2179.
        * libsupc++/exception_ptr.h (exception_ptr, current_exception,
        copy_exception, rethrow_exception): New file, implement exception
	propagation.
        * libsupc++/eh_ptr.cc (exception_ptr, current_exception,
        rethrow_exception, __gxx_dependent_exception_cleanup): Likewise.
        * libsupc++/unwind-cxx.h (__cxa_exception): Add reference count.
	(__cxa_dependent_exception, __cxa_allocate_dependent_exception,
        __cxa_free_dependent_exception, __get_dependent_exception_from_ue,
        __GXX_INIT_DEPENDENT_EXCEPTION_CLASS, __is_dependent_exception,
        __gxx_dependent_exception_class, __get_object_from_ue,
        __get_object_from_ambiguous_exception): Add.
        (__GXX_INIT_EXCEPTION_CLASS, __gxx_exception_class): Rename.
        (__is_gxx_exception_class): Handle dependent exceptions.
        * libsupc++/eh_arm.cc (__cxa_type_match): Likewise.
        * libsupc++/eh_call.cc (__cxa_call_unexpected): Likewise.
        * libsupc++/eh_personality.cc (__gxx_personality_*): Likewise.
        * libsupc++/eh_type.cc (__cxa_current_exception_type): Likewise.
        * libsupc++/eh_alloc.cc (__cxa_allocate_dependent_exception,
        __cxa_free_dependent_exception): Add.
        * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Handle reference
        counting.
        * libsupc++/exception: Conditionally include exception_ptr.h.
        * libsupc++/Makefile.am: Register new files.
        * libsupc++/Makefile.in: Regenerate.
        * config/abi/pre/gnu.ver: Add new symbols.
        * testsuite/18_support/exception_ptr/current_exception.cc: Test the
        core functionality of current_exception().
        * testsuite/18_support/exception_ptr/rethrow_exception.cc: Test the
        core functionality of rethrow_exception().
        * testsuite/18_support/exception_ptr/lifespan.cc: Test the life span of
        exception objects during exception propagation.

From-SVN: r139064
 2008-08-13 18:14:51 +00:00
Joseph Myers
e32717fc89 unwind-cxx.h (__is_gxx_forced_unwind_class, [...]): Define for ARM EABI unwinder. 
* libsupc++/unwind-cxx.h (__is_gxx_forced_unwind_class,
	__GXX_INIT_FORCED_UNWIND_CLASS): Define for ARM EABI unwinder.
	* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Call
	__GXX_INIT_FORCED_UNWIND_CLASS for forced unwind with ARM EABI
	unwinder.
	* libsupc++/eh_arm.cc (__cxa_type_match): Use
	__is_gxx_forced_unwind_class to check for forced unwind.

From-SVN: r137683
 2008-07-10 01:57:16 +01:00
Richard Earnshaw
ddb4f387ee eh_arm.cc (__cxa_type_match): Handle foreign exceptions. 
* libsupc++/eh_arm.cc (__cxa_type_match): Handle foreign
	exceptions.
	* libsubpc++/eh_personality.cc: Don't try to set up foreign or
	forced unwind types here when using the ARM EABI unwinder.

From-SVN: r125683
 2007-06-13 19:31:58 +00:00
Vladimir Prus
c82f61c591 eh_arm.cc (__cxa_begin_cleanup): Always return 'true'. 
2006-06-20  Vladimir Prus  <vladimir@codesourcery.com>

	libstdc++/
	* libsupc++/eh_arm.cc (__cxa_begin_cleanup): Always return 'true'.

From-SVN: r114812
 2006-06-20 14:08:31 +00:00
Nathan Sidwell
1dcca6f361 unwind-arm.h: Reorder interface function declarations. 
2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
gcc/
	* config/arm/unwind-arm.h: Reorder interface function declarations.
	(_URC_END_OF_STACK): New enumeration value.
	(_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
	(struct _Unwind_Control_Block): Document reserved field use.
	(_Unwind_Stop_Fn): New typedef.
	(_Unwind_ForcedUnwind): Declare.
	(_Unwind_Resume_or_Rethrow): Declare.
	* config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
	argument.  Adjust.
	(_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
	* config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
	(UCB_FORCED_STOP_ARG): New.
	(search_EIT_table): Update boundary condition checks.
	(get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
	(unwind_phase2): Replace for with do..while.
	(unwind_phase2_forced): New.
	(__gnu_Unwind_RaiseException): Replace for with do..while.
	(__gnu_Unwind_ForcedUnwind): New.
	(__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
	Use appropriate phase2 unwinder.
	(__gnu_Unwind_Resume_or_Rethrow): New.
	(__gnu_unwind_pr_common): Cope with forced unwinding.
gcc/testsuite/
	* g++.dg/eh/forced1.C: Adjust to cope with ARM EABI
	structures.
	* g++.dg/eh/forced2.C: Likewise.
	* g++.dg/eh/forced3.C: Likewise.
	* g++.dg/eh/forced4.C: Likewise.
libstdc++-v3/
	* libsupc++/eh_arm.cc (__cxa_begin_cleanup): Remember a
	foreign exception too.
	(__gnu_end_cleanup): Recover a foreign exception too.
	* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Cope
	with forced unwinding.
	* libsupc++/eh_throw.cc (__cxxabiv1::__cxa_rethrow): Use
	_Unwind_Resume_or_Rethrow for ARM EABI.

From-SVN: r107089
 2005-11-16 17:04:41 +00:00
Kelley Cook
83f517994d All files: Update FSF address. 
2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>

	* All files: Update FSF address.

From-SVN: r103192
 2005-08-17 02:28:44 +00:00
Paul Brook
2a75c0b6d2 Makefile.in: Set and use UNWIND_H. 
2005-06-28  Paul Brook  <paul@codesourcery.com>

gcc/
	* Makefile.in: Set and use UNWIND_H.  Install as unwind.h.
	* c-decl.c (finish_decl): Call default_init_unwind_resume_libfunc.
	* except.c (add_ehspec_entry): Generate arm eabi filter lists.
	(assign_filter_values): Ditto.
	(output_ttype): New function.
	(output_function_exception_table): Use output_ttype.  Generate arm
	eabi filter lists.
	(default_init_unwind_resume_libfunc): New function.
	* except.h (default_init_unwind_resume_libfunc): Add prototype.
	* optabs.c (init_optabs): Don't set unwind_resume_libfunc.
	* opts.c (decode_options): Use targetm.unwind_tables_default.
	* target-def.h (TARGET_ASM_TTYPE): Provide and use definition.
	(TARGET_ARM_EABI_UNWINDER, TARGET_UNWIND_TABLES_DEFAULT): Ditto.
	* target.h (struct gcc_target): Add asm.ttype, unwind_tables_default
	and arm_eabi_unwinder.
	* unwind-c.c: Support Arm EABI unwinder.
	* unwind.h: Rename ...
	* unwind-generic.h: ... To this.
	* doc/tm.texi (TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER): Document.
	(TARGET_UNWID_TABLES_DEFAULT): Document.

	* config/arm/arm-protos.h (arm_output_fn_unwind): Add prototype.
	* config/arm/arm.c (arm_unwind_emit, arm_output_ttype): New functions.
	(TARGET_UNWIND_EMIT, TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER):
	Define.
	(thumb_pushpop, thumb_output_function_prologue): Output unwinding
	directives.
	(arm_unwind_emit_stm, arm_unwind_emit_set): New functions.
	* config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS): Only define when
	!TARGET_UNWIND_INFO.
	(ARM_OUTPUT_FN_UNWIND, ARM_EABI_UNWIND_TABLES): Define.
	* config/arm/bpabi.h (TARGET_UNWIND_INFO): Define.
	* config/arm/elf.h (ASM_DECLARE_FUNCTION_NAME,
	ASM_DECLARE_FUNCTION_SIZE): Use ARM_OUTPUT_FN_UNWIND.
	* config/arm/lib1funcs.asm: Include libunwind.S.
	* config/arm/libgcc-bpabi.ver: Add unwinding routines.
	* config/arm/libunwind.S: New file.
	* config/arm/pr-support.c: New file.
	* config/arm/t-bpabi (LIB1ASMFUNCS): Add _unwind.
	(UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
	* config/arm/t-symbian (UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
	* config/arm/unwind-arm.c: New file.
	* config/arm/unwind-arm.h: New file.
	* config/i386/t-netware (USER_H): Remove unwind.h.
	* config/ia64/ia64.h (TARGET_UNWIND_TABLES_DEFAULT): Define.

gcc/cp/
	* Make-lang.in (cp/except.o): Depend on $(TARGET_H)
	* except.c: Include target.h.
	(init_exception_processing): Initialize unwind_resume_libfunc.
	* doc/tm.texi: Document TARGET_ASM_TTYPE
gcc/ada/
	* misc.c (gnat_init_gcc_eh): Call default_init_unwind_resume_libfunc.
gcc/java/
	* decl.c (java_init_decl_processing): Call
	default_init_unwind_resume_libfunc.
gcc/objc/
	* objc-act.c (objc_init_exceptions): Call
	default_init_unwind_resume_libfunc.
libstdc++/
	* acinclude.m4 (GLIBCXX_ENABLE_SJLJ_EXCEPTIONS): Check for
	__cxa_end_cleanup.
	* libsupc++/Makefile.am (sources): Add eh_call.c and eh_arm.c.
	* libsupc++/eh_arm.cc: New file.
	* libsupc++/eh_call.cc: New file.
	* libsupc++/eh_catch.cc (__cxa_get_exception_ptr): Use
	__gxx_caught_object.
	(__cxa_begin_catch): Ditto. Use __is_gxx_exception_class. Call
	_Unwind_Complete when using the ARM EABI.
	(__cxa_end_catch): Use __is_gxx_exception_class.
	* libsupc++/eh_personality.cc: Define NO_SIZE_OF_ENCODED_VALUE when
	using the ARM EABI.
	(save_caught_exception, restore_caught_exception): New functions.
	(_throw_typet): New typedef.
	(get_ttype_entry, get_adjusted_ptr, check_exception_spec): Add ARM
	EABI implementations.
	(PERSONALITY_FUNCTION): Use new functions.  Addd support for ARM EABI
	unwinding libary.
	(__cxa_unexpected): Disable when using the ARM EABI.
	* libsupc++/eh_throw.cc (__cxa_throw): Use __GXX_INIT_EXCEPTION_CLASS.
	(__cxa_rethrow): Use __is_gxx_exception_class.  Call
	_Unwind_RaiseException when using the ARM EABI.
	* libsupc++/unwind-cxx.h (struct __cxa_exception): Add fields for ARM
	EABI semantics.
	(struct __cxa_eh_globals): Ditto.
	(__cxa_call_terminate): Add prototype.
	(__cxa_type_match, __cxa_begin_cleanup, __cxa_end_cleanup): Add
	prototypes.
	(__get_exception_header_from_obj, __get_exception_header_from_ue):
	Move earlier in file.
	(__is_gxx_exception_class, __GXX_INIT_EXCEPTION_CLASS,
	__gxx_caught_object): New functions.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* include/Makefile.in: Regenerate.
	* libmath/Makefile.in: Regenerate.
	* libsupc++/Makefile.in: Regenerate.
	* po/Makefile.in: Regenerate.
	* src/Makefie.in: Regenerate.
	* testsuite/makefile.in: Regenerate.

From-SVN: r101389
 2005-06-28 20:06:39 +00:00