* target.def (supports_split_stack, except_unwind_info): Take gcc_options parameters. * targhooks.c (default_except_unwind_info, dwarf2_except_unwind_info, sjlj_except_unwind_info): Take gcc_options parameters. * targhooks.h (default_except_unwind_info, dwarf2_except_unwind_info, sjlj_except_unwind_info): Update prototypes. * doc/tm.texi.in (TARGET_IRA_COVER_CLASSES, TARGET_HAVE_NAMED_SECTIONS, TARGET_UNWIND_TABLES_DEFAULT): Document that hooks must not be modified. (TARGET_EXCEPT_UNWIND_INFO): Refer to opts argument. * doc/tm.texi: Regenerate. * defaults.h (STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT): Pass &global_options to targetm.except_unwind_info. * dwarf2out.c (dwarf2out_do_frame, dwarf2out_do_cfi_asm, dwarf2out_begin_prologue, dwarf2out_frame_init, dwarf2out_frame_finish, dwarf2out_assembly_start): Pass &global_options to targetm.except_unwind_info. * except.c (init_eh, finish_eh_generation, gate_convert_to_eh_region_ranges, output_one_function_exception_table): Pass &global_options to targetm.except_unwind_info. * expr.c (build_personality_function): Pass &global_options to targetm.except_unwind_info. * function.c (expand_function_end): Pass &global_options to targetm.except_unwind_info. * hooks.c (hook_bool_bool_gcc_optionsp_false): New. * hooks.h (hook_bool_bool_gcc_optionsp_false): Declare. * opts.c (finish_options): Pass opts to targetm.except_unwind_info and targetm.supports_split_stack. Remove assertions about opts and opts_set. (common_handle_option): Remove assertions about opts, opts_set and dc. * tree-tailcall.c (suitable_for_tail_call_opt_p): Pass &global_options to targetm.except_unwind_info. * tree.c (build_common_builtin_nodes: Pass &global_options to targetm.except_unwind_info. * config/arm/arm.c (arm_except_unwind_info): Add gcc_options parameter. (arm_compute_func_type, arm_expand_prologue, thumb_pushpop, thumb1_expand_prologue, thumb1_output_function_prologue, arm_unwind_emit, arm_output_fn_unwind): Update calls to arm_except_unwind_info. * config/i386/i386.c (ix86_supports_split_stack): Add gcc_options parameter. * config/ia64/ia64.c (ia64_except_unwind_info): Add gcc_options parameter. (ia64_output_function_prologue, ia64_add_bundle_selector_before, ia64_reorg, ia64_asm_unwind_emit): Update calls to ia64_except_unwind_info. * config/pa/pa.c (pa_option_override): Pass &global_options to targetm.except_unwind_info. * config/picochip/picochip-protos.h (picochip_except_unwind_info): Remove prototype. c-family: * c-cppbuiltin.c (c_cpp_builtins): Pass &global_options to targetm.except_unwind_info. From-SVN: r167145
378 lines
8.0 KiB
C
378 lines
8.0 KiB
C
/* General-purpose hooks.
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Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
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Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>.
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In other words, you are welcome to use, share and improve this program.
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You are forbidden to forbid anyone else to use, share and improve
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what you give them. Help stamp out software-hoarding! */
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/* This file contains generic hooks that can be used as defaults for
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target or language-dependent hook initializers. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "hooks.h"
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/* Generic hook that does absolutely zappo. */
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void
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hook_void_void (void)
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{
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}
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/* Generic hook that takes no arguments and returns false. */
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bool
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hook_bool_void_false (void)
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{
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return false;
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}
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/* Generic hook that takes no arguments and returns true. */
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bool
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hook_bool_void_true (void)
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{
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return true;
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}
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/* Generic hook that takes (bool) and returns false. */
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bool
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hook_bool_bool_false (bool a ATTRIBUTE_UNUSED)
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{
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return false;
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}
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/* Generic hook that takes (bool, struct gcc_options *) and returns false. */
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bool
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hook_bool_bool_gcc_optionsp_false (bool a ATTRIBUTE_UNUSED,
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struct gcc_options *opts ATTRIBUTE_UNUSED)
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{
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return false;
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}
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/* Generic hook that takes const int, const int) and returns true. */
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bool hook_bool_const_int_const_int_true (const int a ATTRIBUTE_UNUSED,
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const int b ATTRIBUTE_UNUSED)
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{
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return true;
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}
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/* Generic hook that takes (enum machine_mode) and returns false. */
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bool
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hook_bool_mode_false (enum machine_mode mode ATTRIBUTE_UNUSED)
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{
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return false;
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}
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/* Generic hook that takes (enum machine_mode) and returns true. */
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bool
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hook_bool_mode_true (enum machine_mode mode ATTRIBUTE_UNUSED)
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{
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return true;
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}
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/* Generic hook that takes (enum machine_mode, rtx) and returns false. */
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bool
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hook_bool_mode_const_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED,
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const_rtx value ATTRIBUTE_UNUSED)
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{
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return false;
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}
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/* Generic hook that takes (enum machine_mode, rtx) and returns true. */
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bool
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hook_bool_mode_const_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED,
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const_rtx value ATTRIBUTE_UNUSED)
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{
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return true;
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}
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/* Generic hook that takes (FILE *, const char *) and does nothing. */
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void
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hook_void_FILEptr_constcharptr (FILE *a ATTRIBUTE_UNUSED, const char *b ATTRIBUTE_UNUSED)
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{
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}
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/* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */
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bool
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hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree a ATTRIBUTE_UNUSED,
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HOST_WIDE_INT b ATTRIBUTE_UNUSED,
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HOST_WIDE_INT c ATTRIBUTE_UNUSED,
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const_tree d ATTRIBUTE_UNUSED)
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{
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return false;
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}
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bool
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hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree a ATTRIBUTE_UNUSED,
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HOST_WIDE_INT b ATTRIBUTE_UNUSED,
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HOST_WIDE_INT c ATTRIBUTE_UNUSED,
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const_tree d ATTRIBUTE_UNUSED)
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{
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return true;
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}
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bool
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hook_bool_size_t_constcharptr_int_true (size_t a ATTRIBUTE_UNUSED,
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const char *b ATTRIBUTE_UNUSED,
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int c ATTRIBUTE_UNUSED)
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{
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return true;
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}
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bool
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default_can_output_mi_thunk_no_vcall (const_tree a ATTRIBUTE_UNUSED,
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HOST_WIDE_INT b ATTRIBUTE_UNUSED,
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HOST_WIDE_INT c,
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const_tree d ATTRIBUTE_UNUSED)
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{
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return c == 0;
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}
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int
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hook_int_const_tree_0 (const_tree a ATTRIBUTE_UNUSED)
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{
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return 0;
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}
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/* ??? Used for comp_type_attributes, which ought to return bool. */
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int
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hook_int_const_tree_const_tree_1 (const_tree a ATTRIBUTE_UNUSED, const_tree b ATTRIBUTE_UNUSED)
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{
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return 1;
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}
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int
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hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED)
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{
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return 0;
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}
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int
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hook_int_rtx_bool_0 (rtx a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
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{
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return 0;
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}
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unsigned int
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hook_uint_void_0 (void)
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{
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return 0;
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}
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void
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hook_void_tree (tree a ATTRIBUTE_UNUSED)
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{
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}
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void
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hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED)
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{
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}
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void
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hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED, tree *b ATTRIBUTE_UNUSED)
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{
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}
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void
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hook_void_int_int (int a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
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{
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}
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bool
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hook_bool_tree_false (tree a ATTRIBUTE_UNUSED)
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{
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return false;
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}
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bool
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hook_bool_const_tree_false (const_tree a ATTRIBUTE_UNUSED)
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{
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return false;
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}
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bool
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hook_bool_tree_true (tree a ATTRIBUTE_UNUSED)
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{
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return true;
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}
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bool
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hook_bool_const_tree_true (const_tree a ATTRIBUTE_UNUSED)
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{
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return true;
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}
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bool
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hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
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{
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return false;
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}
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bool
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hook_bool_tree_tree_true (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
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{
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return true;
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}
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bool
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hook_bool_tree_bool_false (tree a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED)
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{
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return false;
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}
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bool
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hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED)
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{
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return false;
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}
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bool
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hook_bool_uintp_uintp_false (unsigned int *a ATTRIBUTE_UNUSED,
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unsigned int *b ATTRIBUTE_UNUSED)
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{
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return false;
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}
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bool
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hook_bool_rtx_int_int_intp_bool_false (rtx a ATTRIBUTE_UNUSED,
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int b ATTRIBUTE_UNUSED,
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int c ATTRIBUTE_UNUSED,
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int *d ATTRIBUTE_UNUSED,
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bool speed_p ATTRIBUTE_UNUSED)
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{
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return false;
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}
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/* Generic hook that takes an rtx and returns it. */
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rtx
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hook_rtx_rtx_identity (rtx x)
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{
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return x;
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}
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/* Generic hook that takes an rtx and returns NULL_RTX. */
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rtx
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hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED)
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{
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return NULL;
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}
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/* Generic hook that takes a tree and an int and returns NULL_RTX. */
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rtx
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hook_rtx_tree_int_null (tree a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
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{
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return NULL;
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}
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/* Generic hook that takes three trees and returns the last one as is. */
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tree
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hook_tree_tree_tree_tree_3rd_identity (tree a ATTRIBUTE_UNUSED,
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tree b ATTRIBUTE_UNUSED, tree c)
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{
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return c;
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}
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/* Generic hook that takes a tree and returns a NULL string. */
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const char *
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hook_constcharptr_const_tree_null (const_tree t ATTRIBUTE_UNUSED)
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{
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return NULL;
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}
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tree
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hook_tree_tree_int_treep_bool_null (tree t0 ATTRIBUTE_UNUSED,
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int i ATTRIBUTE_UNUSED,
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tree *p ATTRIBUTE_UNUSED,
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bool ignore ATTRIBUTE_UNUSED)
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{
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return NULL;
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}
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tree
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hook_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED)
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{
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return NULL;
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}
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tree
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hook_tree_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED,
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tree t1 ATTRIBUTE_UNUSED,
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tree t2 ATTRIBUTE_UNUSED)
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{
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return NULL;
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}
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/* Generic hook that takes a rtx and returns a NULL string. */
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const char *
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hook_constcharptr_const_rtx_null (const_rtx r ATTRIBUTE_UNUSED)
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{
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return NULL;
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}
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const char *
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hook_constcharptr_const_tree_const_tree_null (const_tree t0 ATTRIBUTE_UNUSED,
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const_tree t1 ATTRIBUTE_UNUSED)
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{
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return NULL;
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}
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const char *
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hook_constcharptr_int_const_tree_null (int i ATTRIBUTE_UNUSED,
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const_tree t0 ATTRIBUTE_UNUSED)
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{
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return NULL;
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}
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const char *
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hook_constcharptr_int_const_tree_const_tree_null (int i ATTRIBUTE_UNUSED,
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const_tree t0 ATTRIBUTE_UNUSED,
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const_tree t1 ATTRIBUTE_UNUSED)
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{
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return NULL;
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}
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/* Generic hook that takes a const_tree and returns NULL_TREE. */
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tree
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hook_tree_const_tree_null (const_tree t ATTRIBUTE_UNUSED)
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{
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return NULL;
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}
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/* Generic hook that takes a rtx and an int and returns a bool. */
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bool
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hook_bool_rtx_int_false (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
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{
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return false;
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}
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/* Generic hook that takes a rtx and an int and returns void. */
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void
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hook_void_rtx_int (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED)
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{
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}
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/* Generic hook that takes a struct gcc_options * and returns void. */
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void
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hook_void_gcc_optionsp (struct gcc_options *opts ATTRIBUTE_UNUSED)
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{
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}
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