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2005-06-28Makefile.in: Set and use UNWIND_H.Paul Brook1-0/+1
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
2005-06-25Update FSF address.Kelley Cook1-2/+2
From-SVN: r101317
2005-05-27except.c (can_throw_internal_1, [...]): Add "is_resx" argument.Jan Hubicka1-2/+2
* except.c (can_throw_internal_1, can_throw_external_1): Add "is_resx" argument. (can_throw_external, can_throw_internal): Bring into sync wrt dealing resx. * except.h (can_throw_internal_1, can_throw_external_1): Update prototype. * tree-eh.c (tree_can_throw_internal, tree_can_throw_external): Deal properly with resx. From-SVN: r100282
2005-05-12except.c (duplicate_eh_region_1, [...]): New functions, based on old ↵Steven Bosscher1-0/+2
implementation removed with RTL inliner. * except.c (duplicate_eh_region_1, duplicate_eh_region_2, duplicate_eh_regions): New functions, based on old implementation removed with RTL inliner. (reachable_next_level): Modify behaviour pre-inline. * except.h (duplicate_eh_regions_map, duplicate_eh_regions): Declare. * function.h (struct function): Add after_inlining flag. * tree-optimize.c (tree_rest_of_compilation): Set it. * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable when needed. * tree-cfg.c (label_to_block_fn): Deal with cases where label was never insterted into code. Co-Authored-By: Jan Hubicka <jh@suse.cz> Co-Authored-By: Stuart Hastings <stuart@apple.com> From-SVN: r99625
2005-05-11Makefile.in (tree-eh.o): Kill gt-tree-eh.h dependency.Jan Hubicka1-0/+12
* Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency. (GTFILES): add except.h. * except.c (eh_status): Add throw_stmt_table. (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions. * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn, lookup_stmt_eh_region_fn): Declare. (throw_stmt_node): New structure. (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New. * gengtype.c (open_base_files): Add except.h to inlines. * tree-eh.c (throw_stmt_node): Kill. (record_stmt_eh_region): Update. (add_stmt_to_eh_region_fn): Break out from ... (add_stmt_to_eh_region): ... here. (remove_stmt_from_eh_region_fn): Break out from ... (remove_stmt_from_eh_region): ... here. (lookup_stmt_eh_region_fn): Break out from ... (lookup_stmt_eh_region): ... here. (honor_protect_cleanup_actions): Use build_resx. (lower_try_finally_onedest): Likewise. (lower_try_finally_copy): Likewise. (lower_try_finally_switch): Likewise. (lower_eh_constructs): Update eh table construction. * tree.c (build_resx): New. * tree.h (build_resx): Declare. From-SVN: r99585
2005-04-25tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.Jan Hubicka1-0/+3
* tree-cfg.c (tree_duplicate_bb): Duplicate EH region too. * except.c: Include diagnostic.h (dump_eh_tree, verify_eh_tree): New functions. * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare. * tree-cfg.c (tree_verify_flow_info): verify eh edges. (dump_function_to_file): dump eh tree. * tree-eh.c (mark_eh_edge): New function. (mark_eh_edge_found_error): New static variable. (verify_eh_edges): New function. From-SVN: r98724
2005-03-14alloc-pool.c, [...]: Update copyright.Kazu Hirata1-1/+1
* alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h, stringpool.c, config/mips/mips-protos.h: Update copyright. From-SVN: r96428
2005-03-14except.c (check_handled): Make it static.Kazu Hirata1-1/+0
* except.c (check_handled): Make it static. * except.h: Remove the corresponding prototype. From-SVN: r96408
2004-11-13cse.c (CHEAP_REGNO): Redefine using REGNO_PTR_FRAME_P and HARD_REGISTER_NUM_P.Steven Bosscher1-3/+0
* cse.c (CHEAP_REGNO): Redefine using REGNO_PTR_FRAME_P and HARD_REGISTER_NUM_P. * cselib.c (new_cselib_val): Make comment correct and more detailed. * flow.c (mark_set_1): Likewise. * except.c (duplicate_eh_region_1, duplicate_eh_region_2, duplicate_eh_regions): Remove. * except.h (duplicate_eh_regions): Remove prototype. * integrate.c (get_label_from_map, copy_rtx_and_substitute, global_const_equiv_varray): Remove. * integrate.h (get_label_from_map, copy_rtx_and_substitute, global_const_equiv_varray, set_label_in_map): Remove prototypes, extern declaration, and #define. (MAYBE_EXTEND_CONST_EQUIV_VARRAY, SET_CONST_EQUIV_DATA): Remove. (struct inline_remap): Remove. * varray.c (struct element): Remove entry for const_equiv_data. * varray.h (struct const_equiv_data): Remove. (enum varray_data_enum) <VARRAY_DATA_CONST_EQUIV>: Remove. (union varray_data_tag) <const_equiv>: Remove. (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV, VARRAY_PUSH_CONST_EQUIV, VARRAY_TOP_CONST_EQUIV): Remove. * regstack.c (record_label_references): Remove unused function. * rtl.def (VALUE): Update comment. (LABEL_REF): Remove unused operand 2. * rtl.h (struct rtx_def): Update for removed accessor macros. (XCADVFLAGS, INSN_DEAD_CODE_P, LINE_NUMBER, CONTAINING_INSN, REG_LOOP_TEST_P): Remove. (ADDR_DIFF_VEC_FLAGS, CSELIB_VAL_PTR, LABEL_NEXTREF): Add comments. * web.c (entry_register): Don't copy REG_LOOP_TEST_P. * doc/rtl.texi (INSN_DEAD_CODE_P, REG_LOOP_TEST_P): Remove. From-SVN: r90580
2004-07-15dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO to ↵Paul Brook1-3/+3
TARGET_UNWIND_INFO. * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO. * except.c (output_function_exception_table): Ditto. * except.h: Ditto. * opts.c (decode_options): Ditto. * passes.c (rest_of_handle_final): Ditto. * final.c (final_start_function): Ditto. (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with target hook. * targhooks.h (default_unwind_emit): Declare. * targhooks.c (default_unwind_emit): New function. * target-def.h: Define and use TARGET_UNWIND_EMIT. * target.h (struct gcc_target): Add unwind_emit. * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define. * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO. Remove IA64_UNWIND_EMIT. * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO. From-SVN: r84734
2004-07-08except.c (expand_eh_region_start, [...]): Remove.Richard Henderson1-46/+0
* except.c (expand_eh_region_start, expand_eh_region_end, expand_eh_handler, expand_eh_region_end_cleanup, expand_start_all_catch, expand_start_catch, expand_end_catch, expand_end_all_catch, expand_eh_region_end_allowed, expand_eh_region_end_must_not_throw, expand_eh_region_end_throw, expand_eh_region_end_fixup): Remove. * stmt.c (struct nesting): Remove stack_level, innermost_stack_block, cleanups, outer_cleanups, label_chain, exception_region. (struct goto_fixup): Remove stack_level, cleanup_list_list. (struct label_chain): Remove. (struct stmt_status): Remove x_stack_block_stack. (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups, fixup_gotos, save_stack_pointer, expand_decl_cleanup, expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral, end_cleanup_deferral, last_cleanup_this_contour, containing_blocks_have_cleanups_or_stack_level, any_pending_cleanups): Remove. (expand_null_return_1): Take no arguments. (expand_label, expand_naked_return, expand_return, expand_start_bindings_and_block, expand_end_bindings, expand_decl, expand_anon_union_decl, expand_start_case, pushcase, pushcase_range, expand_end_case_type): Don't use any of them. * calls.c (expand_call): Likewise. * dojump.c (do_jump): Likewise. * function.c (expand_function_end): Likewise. * expr.c (store_expr, expand_expr_real_1): Likewise. (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR. (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR, EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR. * fold-const.c (fold_checksum_tree): Use first_rtl_op. * gengtype.c (adjust_field_tree_exp): Remove rtl op handling. * gimplify.c (gimplify_cleanup_point_expr): Renumber operands for WITH_CLEANUP_EXPR. (gimple_push_cleanup): Likewise. * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE. * print-tree.c (print_node): Likewise. * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR. * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH. (has_cleanups): Remove GOTO_SUBROUTINE_EXPR. * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2. (GOTO_SUBROUTINE_EXPR): Remove. * tree.h (WITH_CLEANUP_EXPR_RTL): Remove. (DECL_TOO_LATE): Remove. * except.h, tree.h: Update decls. ada/ * trans.c (gnat_to_gnu <N_Handled_Sequence_Of_Statements>): Update commentary. cp/ * cp-tree.h (expand_eh_spec_block): Remove. java/ * expr.c (case_identity, get_primitive_array_vtable, java_expand_expr, emit_init_test_initialization): Remove. * java-tree.h (java_expand_expr): Remove. * lang.c (LANG_HOOKS_EXPAND_EXPR): Remove. From-SVN: r84275
2004-07-08explow.c (optimize_save_area_alloca): Do not accept parameters.Paolo Bonzini1-1/+1
2004-07-08 Paolo Bonzini <bonzini@gnu.org> * explow.c (optimize_save_area_alloca): Do not accept parameters. * passes.c (rest_of_handle_final): Handle symout. (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Push timevar here. (rest_of_handle_sched): Break out SMS. Remove ifs for flag_schedule_insns and flag_modulo_sched. (rest_of_handle_addressof, rest_of_handle_cse2): Garbage collect at the end. (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS. (rest_of_handle_partition_blocks, rest_of_handle_sms, rest_of_handle_if_after_reload, rest_of_handle_peephole2, rest_of_handle_mode_switching, rest_of_handle_jump, rest_of_handle_guess_branch_prob, rest_of_handle_eh, rest_of_handle_jump2, rest_of_handle_postreload, rest_of_handle_flow2, rest_of_clean_state, rest_of_handle_shorten_branches, rest_of_handle_prologue_epilogue, rest_of_handle_branch_target_load_optimize): New. (rest_of_compilation): Call the above. Remove ggc_collect calls moved to rest_of_handle_*. * rtl.h (optimize_save_area_alloca): Do not accept parameters. * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW. * except.c (set_nothrow_function_flags): Set TREE_NOTHROW. * except.h (set_nothrow_function_flags): Update comment. * function.c (current_function_nothrow): Remove. * output.h (current_function_nothrow): Remove. * passes.c (rest_of_compilation): Do not set TREE_NOTHROW. * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW. From-SVN: r84274
2004-06-04except.c (for_each_eh_region): New function.Steven Bosscher1-0/+3
* except.c (for_each_eh_region): New function. * except.h (for_each_eh_region): Add a prototype for it. * tree-cfg.c (update_eh_labels): New function, callback for for_each_eh_region. (label_for_bb): Make global static, unfortunately. (cleanup_dead_labels): Also update label references for exception regions. From-SVN: r82622
2004-05-13Merge tree-ssa-20020619-branch into mainline.Diego Novillo1-1/+29
From-SVN: r81764
2004-02-18cfgloop.h, [...]: Update copyright.Kazu Hirata1-1/+1
gcc/ * cfgloop.h, cfgloopanal.c, cpplex.c, except.h, loop-init.c, loop-unroll.c, scan-decls.c, scan.h, stor-layout.c, xcoffout.c, xcoffout.h, config/arm/mmintrin.h, config/mips/linux64.h, config/pa/pa-64.h, config/rs6000/aix51.h, config/rs6000/aix52.h, config/rs6000/spe.md, config/sparc/linux.h, config/sparc/linux64.h: Update copyright. gcc/cp/ * cp-tree.def, cvt.c: Update copyright. From-SVN: r78032
2004-02-09re PR libstdc++/5625 ([mips] exception unwinding creates invalid pointer on ↵James E Wilson1-0/+1
mips) PR libstdc++/5625 * builtin-types.def (BT_WORD, BT_FN_WORD_PTR): New. * builtins.c (expand_builtin): Handle BUILT_IN_EXTEND_POINTER. * builtins.def (BUILT_IN_EXTEND_POINTER): New. * except.c (expand_builtin_extend_pointer): New. * except.h (expand_builtin_extend_pointer): Declare. From-SVN: r77554
2003-10-01except.h (MUST_USE_SJLJ_EXCEPTIONS): Revert 2003-09-23 change.Rainer Orth1-6/+4
* except.h (MUST_USE_SJLJ_EXCEPTIONS): Revert 2003-09-23 change. Allow override. * doc/tm.texi (MUST_USE_SJLJ_EXCEPTIONS): Document. From-SVN: r71985
2003-09-23except.h (MUST_USE_SJLJ_EXCEPTIONS): Test for DWARF2_UNWIND_INFO value.Rainer Orth1-2/+6
* except.h (MUST_USE_SJLJ_EXCEPTIONS): Test for DWARF2_UNWIND_INFO value. From-SVN: r71690
2003-06-29except.c: Convert prototypes to ISO C90.Andreas Jaeger1-42/+41
* except.c: Convert prototypes to ISO C90. * except.h: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * et-forest.h: Likewise. * except.c: Likewise. * explow.c: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. From-SVN: r68674
2003-05-10except.c (EH_RETURN_STACKADJ_RTX): Do not define.Ulrich Weigand1-4/+0
* except.c (EH_RETURN_STACKADJ_RTX): Do not define. (EH_RETURN_HANDLER_RTX): Likewise. (expand_builtin_eh_return): Do not copy stack adjustment if EH_RETURN_STACKADJ_RTX is not defined. (expand_eh_return): Likewise. Also, do not pass stack adjustment as argument to the eh_return pattern. * except.h (MUST_USE_SJLJ_EXCEPTIONS): Do not define just because EH_RETURN_STACKADJ_RTX is not defined. * unwind-dw.c (uw_update_context_1): If EH_RETURN_STACKADJ_RTX is not defined, treat stack pointer like a regular register. (uw_init_context_1): Set up fake initial stack pointer register. (uw_install_context_1): Do not compute stack adjustment if EH_RETURN_STACKADJ_RTX is not defined. * config/i386/i386.md ("eh_return"): Remove first argument. * config/mips/mips.md ("eh_return"): Likewise. * config/rs6000/rs6000.md ("eh_return"): Likewise. * config/sh/sh.md ("eh_return"): Likewise. * config/s390/s390.h (EH_RETURN_STACKADJ_RTX): Remove. From-SVN: r66672
2003-05-03builtins.c (expand_builtin): Remove.Richard Henderson1-1/+1
* builtins.c (expand_builtin) <BUILT_IN_DWARF_FP_REGNUM>: Remove. <BUILT_IN_DWARF_SP_COLUMN>: New. * builtins.def (BUILT_IN_DWARF_FP_REGNUM): Remove. (BUILT_IN_DWARF_SP_COLUMN): New. * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Remove. (expand_builtin_dwarf_sp_column): New. * except.h: Update to match. * unwind-dw2.c (execute_stack_op): Correct stack push typo. (execute_cfa_program): Record location expression address before extracting length. (uw_update_context_1): Install old CFA into stack pointer column. (uw_init_context_1): Set cfa_reg to stack pointer column. From-SVN: r66447
2003-04-22Makefile.in (calls.o): Depend on except.h.Mark Mitchell1-0/+4
* Makefile.in (calls.o): Depend on except.h. * calls.c: Include except.h. (emit_call_1): Call note_eh_region_may_contain_throw if appropriate. * except.c (eh_region): Add may_contain_throw. (expand_eh_region_end_cleanup): Do not include handler code when it cannot be reached. (note_eh_region_may_contain_throw): New function. * except.h (note_eh_region_may_contain_throw): New function. * call.c (build_over_call): Use build_cxx_call. (build_cxx_call): New method, split out of build_over_call. * cp-tree.h (language_function): Add can_throw. (build_cxx_call): Declare it. * decl.c (finish_function): If a function does not contain any calls to functions that can throw an exception, indicate that fact. * decl2.c (mark_used): Do not defer the instantiation of functions, if the current function does not throw. * optimize.c (maybe_clone_body): Copy TREE_NOTHROW to the clones. * pt.c (instantiate_decl): Make sure import_export_decl is called before emitting things. * rtti.c (throw_bad_cast): Use build_cxx_call. (build_dynamic_cast_1): Likewise. * typeck.c (build_function_call): Likewise. * g++.dg/template/recurse.C: Adjust location of error messages. From-SVN: r65929
2003-03-31* except.h: Remove definition of varray_type.Matt Kraai1-9/+0
From-SVN: r65074
2002-08-25function.h (struct function): Add flag all_throwers_are_sibcalls.Stuart Hastings1-2/+2
2002-08-24 Stuart Hastings <stuart@apple.com> * function.h (struct function): Add flag all_throwers_are_sibcalls. * except.c (set_nothrow_function_flags): Replaces nothrow_function_p. Set new flag. * except.h (set_nothrow_function_flags): Replaces nothrow_function_p. * dwarf2out.c (struct dw_fde_struct): Add flag all_throwers_are_sibcalls. (output_call_frame_info): Test it. (dwarf2out_begin_prologue) Propagate it from cfun to dw_fde_struct. * toplev.c (rest_of_compilation): Update calls to nothrow_function_p. From-SVN: r56561
2002-04-09basic-block.h (flow_delete_block_noexpunge): Declare.Richard Henderson1-3/+4
* basic-block.h (flow_delete_block_noexpunge): Declare. (expunge_block_nocompact): Declare. * cfg.c (expunge_block_nocompact): Split out from ... (expunge_block): ... here. * cfgrtl.c (can_delete_label_p): Don't use exception_handler_labels. (flow_delete_block_noexpunge): Split out from ... (flow_delete_block): ... here. * cfgcleanup.c (delete_unreachable_blocks): Compact while removing dead blocks. * except.c (exception_handler_labels): Remove. (exception_handler_label_map): New. (struct eh_region): Add aka member. (mark_ehl_map_entry, mark_ehl_map, free_region): New. (ehl_hash, ehl_eq, ehl_free, add_ehl_entry): New. (for_each_eh_label, for_each_eh_label_1): New. (init_eh): Register exception_handler_label_map. (free_eh_status): Use free_region. (find_exception_handler_labels): Use the map, not the list. (remove_exception_handler_label): Likewise. (maybe_remove_eh_handler): Likewise. (remove_eh_handler): Use the region aka bitmap. * except.h (exception_handler_labels): Remove. (for_each_eh_label): Declare. * jump.c (rebuild_jump_labels): Don't check exception_handler_labels. * loop.c (invalidate_loops_containing_label): New. (find_and_verify_loops): Use it. Use for_each_eh_label. * sched-rgn.c (is_cfg_nonregular): Use current_function_has_exception_handlers. From-SVN: r52100
2002-04-03re PR c++/5636 (gcc-3.0.3, memory leakage: function that take a string as ↵Jason Merrill1-14/+0
parameter will not call local variable destructors if exception is thrown.) PR c++/5636 * tree.h (CLEANUP_EH_ONLY): New macro. * stmt.c (expand_decl_cleanup_eh): New fn. (expand_cleanups): Check CLEANUP_EH_ONLY. * c-semantics.c (genrtl_decl_cleanup): Just take the CLEANUP_STMT. Use expand_decl_cleanup_eh. (expand_stmt): Adjust. * c-common.h: Adjust prototype. * cp/semantics.c (nullify_returns_r): Just set CLEANUP_EH_ONLY on cleanup for nrv. * except.c (struct eh_status): Remove protect_list. (begin_protect_partials, end_protect_partials): Remove. (add_partial_entry): Remove. * except.h: Remove prototypes. * expr.c (expand_expr) [WITH_CLEANUP_EXPR, TARGET_EXPR]: Use expand_decl_cleanup_eh. cp/: * semantics.c (finish_eh_cleanup): New fn. * cp-tree.h: Add prototype. * init.c (perform_member_init, expand_cleanup_for_base): Use finish_eh_cleanup. * cp-tree.def (SUBOBJECT, CTOR_STMT): Remove. * cp-tree.h: Remove references. * decl.c (begin_constructor_body, end_constructor_body): Likewise. * dump.c (cp_dump_tree): Likewise. * pt.c (tsubst_expr): Likewise. * semantics.c (genrtl_ctor_stmt, genrtl_subobject): Remove. (cp_expand_stmt): Remove handling of CTOR_STMT and SUBOBJECT. * tree.c (cp_statement_code_p): Likewise. * init.c (build_new_1): Set CLEANUP_EH_ONLY on deleting cleanup. From-SVN: r51827
2002-03-19except.c (current_function_has_exception_handlers): New.Richard Henderson1-0/+1
* except.c (current_function_has_exception_handlers): New. * except.h: Declare it. * sibcall.c (optimize_sibling_and_tail_recursive_call): Use it. Combine tests that disable all sibcalls for the function. From-SVN: r51054
2002-01-12attribs.c (handle_deprecated_attribute): constify WHAT.Graham Stott1-5/+4
* attribs.c (handle_deprecated_attribute): constify WHAT. * diagnostic.c (warn_deprecated_use): Add braces, fixes dangling else warning and constify WHAT. * except.h (struct function, struct inline_remap): Move struct tag forward defs before all prototypes. (duplicate_eh_regions): Whitespace. From-SVN: r48799
2001-12-31except.h: Remove forward def of tree_node, rtx_def and define of tree, rtx.Graham Stott1-18/+0
* except.h: Remove forward def of tree_node, rtx_def and define of tree, rtx. Also remove undefs. From-SVN: r48416
2001-11-23ChangeLog.0, [...]: Fix spelling errors.Joseph Myers1-1/+1
* ChangeLog.0, ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog, FSFChangeLog.10, c-decl.c, cppfiles.c, cppinit.c, cpplex.c, cpplib.c, cppmain.c, cse.c, df.c, diagnostic.c, dominance.c, dwarf2out.c, dwarfout.c, emit-rtl.c, errors.c, except.c, except.h, explow.c, function.c, gcse.c, genrecog.c, predict.c, regmove.c, sched-rgn.c, ssa-ccp.c, stmt.c, toplev.c: Fix spelling errors. From-SVN: r47279
2001-11-16except.c: Support for catching a list of types with a single handler (struct ↵Olivier Hainque1-1/+2
eh_region):... * except.c: Support for catching a list of types with a single handler (struct eh_region): Change type and filter to lists for catch regions. (mark_eh_region): Mark the filter list for GC also. (expand_start_catch): Always build a list if argument not NULL and register each type of the list through add_type_for_runtime. (duplicate_eh_region_1): Change type into type_list for catch regions. (assign_filter_values): Assign a filter to each type associated with a catch region. Assign filter for NULL types in a unique entry in the filter list. (build_post_landing_pads): Emit compare and jump for each filter of the list associated with a catch region. (reachable_next_level): When the type thrown is known, stop the search as soon as one type within a catch list matches. Also, a handler is potentially reachable only if at least one of the types it catches has not been previously caught. (collect_one_action_chain): Retrieve the filter for a NULL type list from the first filter list entry. For non NULL type lists, add an action record for every filter assigned. * except.h: Reflect changes in comment before expand_start_catch. From-SVN: r47087
2001-10-28ChangeLog.0, [...]: Fix spelling errors.Joseph Myers1-1/+1
* ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog.5, ChangeLog, FSFChangeLog.10, FSFChangeLog.11, c-common.c, c-common.h, c-parse.in, c-typeck.c, cfg.c, config.gcc, configure, configure.in, except.c, except.h, flow.c, function.c, gcc.c, gcse.c, genrecog.c, libgcc2.c, loop.c, loop.h, params.def, predict.def, predict.h, reg-stack.c, regmove.c, sched-deps.c, sched-int.h, sibcall.c, ssa.c, stringpool.c, toplev.c, tree.c, unroll.c: Fix spelling errors. From-SVN: r46595
2001-08-22Makefile.in, [...]: replace "GNU CC" with "GCC".Lars Brinkhoff1-12/+12
* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-07-06except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of DWARF2_UNWIND_INFO ↵Richard Henderson1-1/+1
not just whether it is defined. * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of DWARF2_UNWIND_INFO not just whether it is defined. From-SVN: r43829
2001-06-08except.c (get_exception_pointer, [...]): Take a struct function.Richard Henderson1-1/+1
* except.c (get_exception_pointer, get_exception_filter): Take a struct function. Update all callers. * except.h (get_exception_pointer): Update declaration. * expr.c (expand_expr): Update get_exception_pointer call. * integrate.c (expand_inline_function): Remap the exception pointer from callee to caller. From-SVN: r43060
2001-05-25Standardize header guards.Richard Henderson1-2/+2
From-SVN: r42615
2001-05-17except.h (protect_cleanup_actions): Remove it.Mark Mitchell1-2/+7
* except.h (protect_cleanup_actions): Remove it. (lang_protect_cleanup_actions): Declare it. * except.c (protect_cleanup_actions): Remove it. (lang_protect_cleanup_actions): New variable. (init_eh): Don't make protect_cleanup_actions a GC root. (expand_eh_region_and_cleanup): Call lang_protect_cleanup_actions. (output_function_exception_table): Remove unused `align' variable. * varasm.c (assemble_external): Abort if we have not yet opened the assembly output file. * except.c (cp_protect_cleanup_actions): New function. (init_exception_processing): Don't set protect_cleanup_actions here. Do set lang_protect_cleanup_actions. From-SVN: r42218
2001-05-11defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.Richard Henderson1-6/+6
* defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New. * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1, dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New. * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype. (dw2_output_indirect_constants): Prototype. * dwarf2out.c (dwarf2out_begin_prologue): Generate current_function_func_begin_label if we'll need it for EH. Exit early for IA64_UNWIND_INFO. * except.c: Get DW_EH_PE_* defines from dwarf2.h. (eh_data_format_name): Update for indirect references. (output_function_exception_table): Care for IA64_UNWIND_INFO. Handle ASM_PREFERRED_EH_DATA_FORMAT. * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't define HAVE_eh_return etc. * final.c (final_start_function): Always call dwarf2out_begin_prologue. (final_end_function): Don't call output_function_exception_table. * toplev.c (compile_file): Call dw2_output_indirect_constants. (rest_of_compilation): Invoke output_function_exception_table for ia64 before assemble_end_function. * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document. (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document. * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New. * unwind.h: Declare them. * libgcc-std.ver: Export them. * unwind-pe.h: New file. * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New. * config/ia64/fde-glibc.c: Use "struct unw_table_entry" instead of "fde". (find_fde_for_dso): Extract DT_PLTGOT. (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return the segment and gp as well. * config/ia64/frame-ia64.c: Remove file. * config/ia64/frame-ia64.h: Remove file. * config/ia64/unwind-ia64.c: New file. * config/ia64/unwind-ia64.h: New file. * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove. (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove. (ASM_OUTPUT_EH_DOUBLE_INT): Remove. (ASM_PREFERRED_EH_DATA_FORMAT): New. (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New. (IA64_UNWIND_INFO): Re-enable. (HANDLER_SECTION): Remove. (EH_RETURN_DATA_REGNO): New. * config/ia64/ia64.md (exception_receiver): Remove. * config/ia64/t-glibc (LIB2ADDEH): Re-enable. * config/ia64/t-ia64 (LIB2ADDEH): Re-enable. From-SVN: r41981
2001-05-04except.h: Add prototype declaration for expand_builtin_init_dwarf_reg_sizes.Andreas Jaeger1-1/+3
* except.h: Add prototype declaration for expand_builtin_init_dwarf_reg_sizes. From-SVN: r41823
2001-04-02except.h (lang_eh_type_covers): Mark extern.Richard Henderson1-2/+2
* except.h (lang_eh_type_covers): Mark extern. (lang_eh_runtime_type): Likewise. From-SVN: r41024
2001-04-01* except.h (expand_builtin_dwarf_fp_regnum): Declare.Richard Henderson1-0/+1
From-SVN: r40995
2001-03-28IA-64 ABI Exception Handling.Richard Henderson1-441/+112
From-SVN: r40924
2001-03-27except.c (can_throw_internal): Rename from can_throw.Richard Henderson1-1/+1
* except.c (can_throw_internal): Rename from can_throw. * except.h, resource.c: Update references. From-SVN: r40913
2001-03-27except.h (flag_non_call_exceptions): Move ...Richard Henderson1-4/+0
* except.h (flag_non_call_exceptions): Move ... * flags.h: ... here. From-SVN: r40906
2001-03-27Make -fsjlj-exceptions a configure option.Richard Henderson1-4/+24
From-SVN: r40905
2001-03-27bb-reorder.c, [...]: Rename asynchronous_exceptions to flag_non_call_exceptions.Richard Henderson1-1/+1
* bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c, jump.c, toplev.c: Rename asynchronous_exceptions to flag_non_call_exceptions. * java/decl.c (end_java_method): Rename asynchronous_exceptions to flag_non_call_exceptions. From-SVN: r40902
2000-05-27Makefile.in (resource.o): Depend on except.h.Richard Henderson1-0/+1
* Makefile.in (resource.o): Depend on except.h. * except.h (output_exception_table_data): Prototype. * genconfig.c (gen_peephole2): Prototype. * genemit.c (main): Include ggc.h. * genoutput.c: Revert parts of last change: include errors.h (main): Set progname. * recog.c: Include hard-reg-set.h before recog.h. * resource.c: Include except.h. From-SVN: r34219
2000-05-25except.h (can_throw): Declare it.Mark Mitchell1-0/+4
* except.h (can_throw): Declare it. * except.c (can_throw): Give it external linkage. * resource.c (find_dead_or_set_registers): Use can_throw. From-SVN: r34178
2000-05-25except.c (func_eh_entry): Add emitted field.Andrew MacLeod1-0/+9
2000-05-25 Andrew MacLeod <amacleod@cygnus.com> Andrew Haley <aph@cygnus.com> * except.c (func_eh_entry): Add emitted field. (new_eh_region_entry): Set emitted field to 0; (output_exception_table_entry): Only emit previously un-emitted data, and send it to the eh_data section. (output_exception_table): Break out common parts. Output exception table for entire compilation unit to eh_data section. (output_exception_table_data): Common parts of output_exception_table. Send output to eh_data section. (output_function_exception_table): Output exception table data for a single function to eh_data section. (free_exception_table): New external to free the table. * except.h (free_exception_table): Add prototype. (output_function_exception_table): Add prototype. * final.c (final_end_function): Output function exception table for IA64_UNWIND_INFO. (final_scan_insn): Emit any unwind directives for an insn. * frame-dwarf2.c: New file containing all DWARF 2 specific code from frame.c. * frame.c: Remove all DWARF 2 specific code. * config/ia64/frame-ia64.c: New file. (gthread_stuff): Make all gthread available with IA64_UNWIND_INFO. (dwarf_fde): Define an IA64 struct for dwarf_fde. (__register_frame_info, __register_frame): Move to common area of file. (__register_frame_info_table, __register_frame_table): Move to common i area. (__deregister_frame_info, __deregister_frame): Move to common area. (__frame_init, find_fde): New versions for IA64_UNWIND_INFO. (read_uleb128): New version for ia64. (get_unwind_record): Read the next IA-64 unwind record. (read_R_record): Read a region header record. (process_a_b_reg_code): X record helper. (read_X_record): Read an X format record. (read_B_record): Read a B format record. (P3_record_types): List of record types matching the P3 format. (P7_record_types): List of record types matching the P7 format. (P8_record_types): List of record types matching the P8 format. (read_P_record): Read a P format record. (init_ia64_reg_loc): Set default fields for a register. (init_ia64_unwind_frame): Set defaults for all register records. (execute_one_ia64_descriptor): Execute one descriptor record. (rse_address_add): Calculate the position of a local reg in memory. (normalize_reg_loc): Turn a location descriptor into a memory address. (maybe_normalize_reg_loc): Only normalize a descriptor if it falls within a specified PC offset range. (get_real_reg_value): Given a register location, retrieve its value. (set_real_reg_value): Change the value of a register location. (copy_reg_value): Copy reg values, if needed. (copy_saved_reg_state): Copy all registers that need to be copied. (process_state_between): Normalize all frame register records that fall within the specified PC range. (frame_translate): Take a processed frame description, and turn everything into addresses. (build_ia64_frame_state ): Find and create frame state record for a PC. (get_personality): Get the personality routine for a given frame. (get_except_table): Get the exception table for a given frame. (record_name): Unwind record names for debugging. (print_record): Print and unwind record. (print_all_records): Print an entire unwind image. (__ia64_backtrace): Print a backtrace. (ia64_backtrace_helper): New function. (__register_frame_info_aux): New function. * config/ia64/crtend.asm (__do_frame_setup_aux): New function. * frame.h (enum unw_record_type): New unwind record types. (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records. (struct unw_r_record, unwind_record): New unwind record structs. (struct unwind_info_ptr): Unwind information layout. (IA64_UNW_LOC_TYPE_*): Macros for different types for location descriptors. (struct ia64_reg_loc): Register location description. (struct ia64_frame_state): Location of all registers in a frame. (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO. * libgcc2.c (__ia64_personality_v1): Personality routine. (__calc_caller_bsp): Calculate the bsp register for the caller's frame. (ia64_throw_helper): Figure out who to return to and set up the registers. (__throw): Throw routine. * output.h (assemble_eh_align, assemble_eh_label): New functions to generate EH info where we want it. (assemble_eh_integer): New function. * toplev.c (compile_file): Output module level exception table for non-ia64 targets. (main): Set exceptions_via_longjump and flag_new_exceptions based on IA64_UNWIND_INFO too. * varasm.c (assemble_eh_label): Generate a label via ASM_OUTPUT_EH_LABEL if it has been specified. (assemble_eh_align): Generate an alignment directive via ASM_OUTPUT_EH_ALIGN if it has been specified. (assemble_eh_label): Generate an integer value via ASM_OUTPUT_EH_type if they have been specified. * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs. (ia64_init_builtins): Add __builtin_ia64_bsp and __builtin_ia64_flushrs. (ia64_expand_builtin): Add IA64_BUILTIN_BSP and IA64_BUILTIN_FLUSHRS. * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and IA64_BUILTIN_FLUSHRS. * config/ia64/ia64.md (flushrs): New insn to flush the register stack. Add to unspec list. * config/ia64/crtbegin.asm (frame_object): Change size. (__do_frame_setup_aux): New function. * config/ia64/crtend.asm: call __do_frame_setup_aux. * config/ia64/t-ia64 (LIB2ADDEH): Add. * Makefile.in (LIB2ADDEH): Add. (LIB2ADD): Use LIB2ADDEH. Co-Authored-By: Andrew Haley <aph@cygnus.com> From-SVN: r34169
2000-03-19emit-rtl.c (push_to_full_sequence, [...]): New functions.Martin v. Löwis1-0/+3
* emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions. * except.c (emit_cleanup_handler): Use them. (expand_end_all_catch): Likewise. * function.c (fixup_var_refs): Likewise. (expand_function_end): Clear catch_clauses_last. * rtl.h (push_to_full_sequence, end_full_sequence): Declare. * except.h (struct eh_status): New field x_catch_clauses_last. (catch_clauses_last): New define. * cp/except.c (expand_exception_blocks): Clear catch_clauses_last. * java/except.c (emit_handlers): Clear catch_clauses_last. From-SVN: r32643
generated by cgit v1.1 at 2025-09-02 21:32:56 +0000