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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8994dd2..deb12a5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,117 @@ +2001-03-28 Richard Henderson <rth@redhat.com> + + * except.c: Rewrite entirely for IA-64 ABI exception handling. + * except.h: Likewise. + + * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c + (LIB2ADDEHDEP): New. + (LIB2FUNCS_EH): Remove. + (LIB2ADD): Remove LIB2ADDEH. + (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH. + (LIBGCC_DEPS): Use LIB2ADDEHDEP. + (crt{begin,end}[S].o): Likewise. + (except.o): Update includes. + * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP. + (libgcc2_c_dep): Use LIB2ADDEHDEP. + + * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end. + * bb-reorder.c (reorder_basic_blocks): Don't disable for EH. + * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New. + * builtins.c (expand_builtin): Implement it. + [BUILT_IN_EH_RETURN]: Update for nr arguments change. + * c-common.c (c_common_nodes_and_builtins): Declare it. + * c-decl.c (init_decl_processing): Update __builtin_eh_return. + * calls.c (libfunc_nothrow): Remove. + (emit_library_call_value_1): Don't call it. + * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h. + * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements. + (DW_EH_PE_*): New defines for pointer encoding in .eh_frame. + * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number. + (current_funcdef_number): Globalize. + (output_call_frame_info): Emit frame data if an lsda is needed. + Generate augmentation for personality routine. Don't play with + difference symbols. + (dwarf2out_begin_prologue): Record funcdef_number. + * dwarf2out.h (current_funcdef_number): Declare. + * expr.c (expand_expr): Update for except.h name changes. + Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR. + * expr.h (LTI_throw, LTI_rethrow): Remove. + (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove. + (LTI_eh_rtime_match): Remove. + (LTI_unwind_resume, LTI_eh_personality): Add. + (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add. + * final.c (final): Don't call check_exception_handler_labels, + init_insn_eh_region, or free_insn_eh_region. + (final_scan_insn): Always emit debug labels for + NOTE_INSN_EH_REGION notes. + * flags.h (flag_new_exceptions): Remove. + * flow.c (entry_exit_blocks): Remove eh_beg, eh_end. + (record_active_eh_regions): Remove. + (count_basic_blocks): Check all instructions for REG_EH_REGION. + Use can_throw_internal. + (find_basic_blocks_1): Likewise. + (move_stray_eh_region_notes): Remove. + (find_label_refs): No eh_return_stub_label. + (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX. + (make_eh_edge): No eh_nest_info. Update for reachable_handlers + changes. + (delete_unreachable_blocks): Don't track deleted handlers. + (flow_delete_block): Use maybe_remove_eh_handler. + (delete_eh_regions): Remove. + (merge_blocks): Don't check for eh region match. + (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO, + EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX. + (init_propagate_block_info): Disable dead frame store optimization + when current_function_calls_eh_return. + (dump_bb): Don't print eh_beg, eh_end. + * function.c (fixup_var_refs): No catch_clauses. + (expand_function_end): Likewise. Call expand_eh_return before + the return register use. Call sjlj_emit_function_exit_after. + (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions. + * function.h (struct function): Add calls_eh_return, uses_eh_lsda. + * ifcvt.c (dead_or_predicable): Remove eh region check. + * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return. + Don't check for EH vs parameters. + (expand_inline_function_eh_labelmap, eif_eh_map): Remove. + (expand_inline_function): Call duplicate_eh_regions. + (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END. + (copy_insn_notes): Remap REG_EH_REGION notes. + (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check. + * integrate.h (struct inline_remap): Add local_return_label. + * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor + check_exception_handler_labels, nor exception_optimize. + (find_cross_jump): No EH region check. + * optabs.c (init_optabs): Update for changed eh libfuncs. + * rtl.def (RESX): New. + * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove. + * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p + checks. Update for except.h name changes. + (expand_cleanups): Likewise. + (expand_dcc_cleanup, expand_dhc_cleanup): Remove. + * toplev.c (dump_file_index, dump_file): Add .02.eh dump. + (compile_file): Call init_eh before init_optabs. Don't + output_exception_table here. + (rest_of_compilation): Call convert_from_eh_region_ranges, + convert_to_eh_region_ranges, output_function_exception_table. + Don't emit_eh_context. + * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove. + (EXC_PTR_EXPR): New. + + * md.texi (eh_epilogue): Remove. + (eh_return): Document. + * tm.texi (EH_RETURN_DATA_REGNO): Document. + (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document. + + * eh-common.h: Remove file. + * frame-dwarf2.c, frame.c, frame.h: Remove files. + * libgcc2.c (L_eh): Remove. + + * unwind-dw2-fde.c: New file, largely copied from frame.c. + * unwind-dw2-fde.h: New file. + * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c. + * unwind-sjlj.c, unwind.h, unwind.inc: New files. + * libgcc-std.ver: Update for eh symbols. + 2001-03-27 Richard Henderson <rth@redhat.com> * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to |