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: r101385

1 files changed, 2 insertions, 5 deletions

diff --git a/gcc/opts.c b/gcc/opts.c
index ec41688..e96d6d5 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -627,11 +627,8 @@ decode_options (unsigned int argc, const char **argv)
      modify it.  */
   target_flags = targetm.default_target_flags;
 
-  /* Unwind tables are always present when a target has ABI-specified unwind
-     tables, so the default should be ON.  */
-#ifdef TARGET_UNWIND_INFO
-  flag_unwind_tables = TARGET_UNWIND_INFO;
-#endif
+  /* Some tagets have ABI-specified unwind tables.  */
+  flag_unwind_tables = targetm.unwind_tables_default;
 
 #ifdef OPTIMIZATION_OPTIONS
   /* Allow default optimizations to be specified on a per-machine basis.  */