c18a5b6cad
* configure.ac: Check for COMDAT support. Robustify check for SHF_MERGE support. * configure: Regenerated. * config.in: Likewise. * langhooks-def.h (lhd_comdat_group): New function. (LANG_HOOKS_COMDAT_GROUP): New macro. (LANG_HOOKS_DECLS): Use it. * langhooks.c (lhd_comdat_group): Define. * langhooks.h (lang_hooks_for_decls): Add comdat_group. * output.h (named_section_flags): Make it a macro. (named_section_real): New function. (default_no_named_section): Add decl parameter. (default_elf_asm_named_section): Likewise. (default_coff_asm_named_section): Likewise. (default_pe_asm_named_section): Likewise. * target.h (gcc_target): Adjust type of named_section. * varasm.c (named_section_flags): Rename to named_section_real. Add decl parameter. (default_no_named_section): Add decl parameter. (default_elf_asm_named_section): Use COMDAT, if available. Deal with the case that ASM_COMMENT_START is "@". (default_coff_asm_named_section): Add decl parameter. (default_pe_asm_named_section): Likewise. * config/alpha/alpha.c (vms_asm_named_section): Add decl parameter. (unicosmk_asm_named_section): Likewise. * config/arm/arm.c (arm_elf_asm_named_section): Remove. * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise. * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter. * config/cris/cris-protos.h (cris_target_asm_named_section): Likewise. * config/cris/cris.c (cris_target_asm_named_section): Likewise. * config/h8300/h8300.c (h8300_asm_named_section): Likewise. * config/i386/i386-protos.h (i386_pe_asm_named_section): Likewise. * config/i386/winnt.c (i386_pe_asm_named_section): Likewise. * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise. * config/mcore/mcore.c (mcore_asm_named_section): Likewise. * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Likewise. * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise. * cp-objcp-common.h (LANG_HOOKS_COMDAT_GROUP): Define. * cp-tree.h (cxx_comdat_group): Declare. * decl.c (cxx_comdat_group): New function. From-SVN: r87557
305 lines
12 KiB
C
305 lines
12 KiB
C
/* Default macros to initialize the lang_hooks data structure.
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Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
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Contributed by Alexandre Oliva <aoliva@redhat.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GCC 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 GCC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef GCC_LANG_HOOKS_DEF_H
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#define GCC_LANG_HOOKS_DEF_H
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#include "hooks.h"
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struct diagnostic_context;
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/* Provide a hook routine for alias sets that always returns 1. This is
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used by languages that haven't deal with alias sets yet. */
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extern HOST_WIDE_INT hook_get_alias_set_0 (tree);
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/* Note to creators of new hooks:
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The macros in this file should NOT be surrounded by a
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#ifdef...#endif pair, since this file declares the defaults. Each
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front end overrides any hooks it wishes to, in the file containing
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its struct lang_hooks, AFTER including this file. */
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/* See langhooks.h for the definition and documentation of each hook. */
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extern void lhd_do_nothing (void);
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extern void lhd_do_nothing_t (tree);
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extern void lhd_do_nothing_i (int);
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extern void lhd_do_nothing_f (struct function *);
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extern bool lhd_post_options (const char **);
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extern HOST_WIDE_INT lhd_get_alias_set (tree);
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extern tree lhd_return_tree (tree);
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extern tree lhd_return_null_tree_v (void);
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extern tree lhd_return_null_tree (tree);
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extern tree lhd_do_nothing_iii_return_null_tree (int, int, int);
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extern int lhd_safe_from_p (rtx, tree);
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extern tree lhd_staticp (tree);
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extern void lhd_print_tree_nothing (FILE *, tree, int);
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extern const char *lhd_decl_printable_name (tree, int);
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extern int lhd_types_compatible_p (tree, tree);
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extern rtx lhd_expand_expr (tree, rtx, enum machine_mode, int, rtx *);
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extern int lhd_expand_decl (tree);
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extern void lhd_print_error_function (struct diagnostic_context *,
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const char *);
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extern void lhd_set_decl_assembler_name (tree);
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extern bool lhd_can_use_bit_fields_p (void);
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extern bool lhd_warn_unused_global_decl (tree);
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extern void lhd_incomplete_type_error (tree, tree);
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extern tree lhd_type_promotes_to (tree);
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extern void lhd_register_builtin_type (tree, const char *);
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extern bool lhd_decl_ok_for_sibcall (tree);
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extern const char *lhd_comdat_group (tree);
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extern tree lhd_expr_size (tree);
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extern bool lhd_decl_uninit (tree);
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extern tree lhd_get_callee_fndecl (tree);
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extern size_t lhd_tree_size (enum tree_code);
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/* Declarations of default tree inlining hooks. */
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extern tree lhd_tree_inlining_walk_subtrees (tree *, int *, walk_tree_fn,
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void *, void *);
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extern int lhd_tree_inlining_cannot_inline_tree_fn (tree *);
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extern int lhd_tree_inlining_disregard_inline_limits (tree);
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extern tree lhd_tree_inlining_add_pending_fn_decls (void *, tree);
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extern int lhd_tree_inlining_auto_var_in_fn_p (tree, tree);
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extern int lhd_tree_inlining_anon_aggr_type_p (tree);
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extern int lhd_tree_inlining_start_inlining (tree);
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extern void lhd_tree_inlining_end_inlining (tree);
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extern tree lhd_tree_inlining_convert_parm_for_inlining (tree, tree, tree, int);
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extern void lhd_initialize_diagnostics (struct diagnostic_context *);
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extern tree lhd_callgraph_analyze_expr (tree *, int *, tree);
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/* Declarations for tree gimplification hooks. */
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extern int lhd_gimplify_expr (tree *, tree *, tree *);
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#define LANG_HOOKS_NAME "GNU unknown"
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#define LANG_HOOKS_IDENTIFIER_SIZE sizeof (struct lang_identifier)
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#define LANG_HOOKS_INIT hook_bool_void_false
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#define LANG_HOOKS_FINISH lhd_do_nothing
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#define LANG_HOOKS_PARSE_FILE lhd_do_nothing_i
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#define LANG_HOOKS_CLEAR_BINDING_STACK lhd_do_nothing
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#define LANG_HOOKS_INIT_OPTIONS hook_uint_uint_constcharptrptr_0
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#define LANG_HOOKS_INITIALIZE_DIAGNOSTICS lhd_initialize_diagnostics
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#define LANG_HOOKS_HANDLE_OPTION hook_int_size_t_constcharptr_int_0
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#define LANG_HOOKS_MISSING_ARGUMENT hook_bool_constcharptr_size_t_false
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#define LANG_HOOKS_POST_OPTIONS lhd_post_options
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#define LANG_HOOKS_GET_ALIAS_SET lhd_get_alias_set
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#define LANG_HOOKS_EXPAND_CONSTANT lhd_return_tree
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#define LANG_HOOKS_EXPAND_EXPR lhd_expand_expr
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#define LANG_HOOKS_EXPAND_DECL lhd_expand_decl
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#define LANG_HOOKS_SAFE_FROM_P lhd_safe_from_p
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#define LANG_HOOKS_FINISH_INCOMPLETE_DECL lhd_do_nothing_t
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#define LANG_HOOKS_STATICP lhd_staticp
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#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t
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#define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME lhd_set_decl_assembler_name
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#define LANG_HOOKS_CAN_USE_BIT_FIELDS_P lhd_can_use_bit_fields_p
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#define LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS false
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#define LANG_HOOKS_NO_BODY_BLOCKS false
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#define LANG_HOOKS_PRINT_STATISTICS lhd_do_nothing
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#define LANG_HOOKS_PRINT_XNODE lhd_print_tree_nothing
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#define LANG_HOOKS_PRINT_DECL lhd_print_tree_nothing
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#define LANG_HOOKS_PRINT_TYPE lhd_print_tree_nothing
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#define LANG_HOOKS_PRINT_IDENTIFIER lhd_print_tree_nothing
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#define LANG_HOOKS_PRINT_ERROR_FUNCTION lhd_print_error_function
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#define LANG_HOOKS_DECL_PRINTABLE_NAME lhd_decl_printable_name
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#define LANG_HOOKS_GET_CALLEE_FNDECL lhd_return_null_tree
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#define LANG_HOOKS_EXPR_SIZE lhd_expr_size
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#define LANG_HOOKS_TREE_SIZE lhd_tree_size
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#define LANG_HOOKS_TYPES_COMPATIBLE_P lhd_types_compatible_p
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#define LANG_HOOKS_BUILTIN_FUNCTION builtin_function
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#define LANG_HOOKS_FUNCTION_INIT lhd_do_nothing_f
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#define LANG_HOOKS_FUNCTION_FINAL lhd_do_nothing_f
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#define LANG_HOOKS_FUNCTION_ENTER_NESTED lhd_do_nothing_f
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#define LANG_HOOKS_FUNCTION_LEAVE_NESTED lhd_do_nothing_f
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#define LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P hook_bool_tree_true
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/* Attribute hooks. */
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#define LANG_HOOKS_ATTRIBUTE_TABLE NULL
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#define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE NULL
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#define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE NULL
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/* Tree inlining hooks. */
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#define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES lhd_tree_inlining_walk_subtrees
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#define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
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lhd_tree_inlining_cannot_inline_tree_fn
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#define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
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lhd_tree_inlining_disregard_inline_limits
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#define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \
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lhd_tree_inlining_add_pending_fn_decls
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#define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
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lhd_tree_inlining_auto_var_in_fn_p
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#define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
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lhd_tree_inlining_anon_aggr_type_p
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#define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P \
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hook_bool_tree_tree_false
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#define LANG_HOOKS_TREE_INLINING_START_INLINING \
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lhd_tree_inlining_start_inlining
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#define LANG_HOOKS_TREE_INLINING_END_INLINING \
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lhd_tree_inlining_end_inlining
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#define LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
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lhd_tree_inlining_convert_parm_for_inlining
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#define LANG_HOOKS_TREE_INLINING_INITIALIZER { \
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LANG_HOOKS_TREE_INLINING_WALK_SUBTREES, \
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LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN, \
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LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS, \
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LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS, \
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LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P, \
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LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P, \
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LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P, \
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LANG_HOOKS_TREE_INLINING_START_INLINING, \
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LANG_HOOKS_TREE_INLINING_END_INLINING, \
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LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
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}
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#define LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR lhd_callgraph_analyze_expr
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#define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION NULL
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#define LANG_HOOKS_CALLGRAPH_INITIALIZER { \
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LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR, \
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LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, \
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}
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#define LANG_HOOKS_FUNCTION_INITIALIZER { \
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LANG_HOOKS_FUNCTION_INIT, \
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LANG_HOOKS_FUNCTION_FINAL, \
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LANG_HOOKS_FUNCTION_ENTER_NESTED, \
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LANG_HOOKS_FUNCTION_LEAVE_NESTED, \
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LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P \
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}
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/* Hooks for tree gimplification. */
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#define LANG_HOOKS_GIMPLIFY_EXPR lhd_gimplify_expr
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#define LANG_HOOKS_FOLD_OBJ_TYPE_REF NULL
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/* Tree dump hooks. */
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extern bool lhd_tree_dump_dump_tree (void *, tree);
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extern int lhd_tree_dump_type_quals (tree);
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extern tree lhd_make_node (enum tree_code);
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#define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN lhd_tree_dump_dump_tree
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#define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN lhd_tree_dump_type_quals
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#define LANG_HOOKS_TREE_DUMP_INITIALIZER { \
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LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN, \
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LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN \
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}
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/* Types hooks. There are no reasonable defaults for most of them,
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so we create a compile-time error instead. */
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#define LANG_HOOKS_MAKE_TYPE lhd_make_node
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#define LANG_HOOKS_INCOMPLETE_TYPE_ERROR lhd_incomplete_type_error
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#define LANG_HOOKS_TYPE_PROMOTES_TO lhd_type_promotes_to
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#define LANG_HOOKS_REGISTER_BUILTIN_TYPE lhd_register_builtin_type
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#define LANG_HOOKS_TYPE_MAX_SIZE lhd_return_null_tree
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#define LANG_HOOKS_HASH_TYPES true
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#define LANG_HOOKS_FOR_TYPES_INITIALIZER { \
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LANG_HOOKS_MAKE_TYPE, \
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LANG_HOOKS_TYPE_FOR_MODE, \
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LANG_HOOKS_TYPE_FOR_SIZE, \
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LANG_HOOKS_UNSIGNED_TYPE, \
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LANG_HOOKS_SIGNED_TYPE, \
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LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE, \
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LANG_HOOKS_TYPE_PROMOTES_TO, \
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LANG_HOOKS_REGISTER_BUILTIN_TYPE, \
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LANG_HOOKS_INCOMPLETE_TYPE_ERROR, \
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LANG_HOOKS_TYPE_MAX_SIZE, \
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LANG_HOOKS_HASH_TYPES \
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}
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/* Declaration hooks. */
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#define LANG_HOOKS_GLOBAL_BINDINGS_P global_bindings_p
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#define LANG_HOOKS_INSERT_BLOCK insert_block
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#define LANG_HOOKS_PUSHDECL pushdecl
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#define LANG_HOOKS_GETDECLS getdecls
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#define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL lhd_warn_unused_global_decl
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#define LANG_HOOKS_WRITE_GLOBALS write_global_declarations
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#define LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE NULL
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#define LANG_HOOKS_DECL_OK_FOR_SIBCALL lhd_decl_ok_for_sibcall
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#define LANG_HOOKS_COMDAT_GROUP lhd_comdat_group
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#define LANG_HOOKS_DECLS { \
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LANG_HOOKS_GLOBAL_BINDINGS_P, \
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LANG_HOOKS_INSERT_BLOCK, \
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LANG_HOOKS_PUSHDECL, \
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LANG_HOOKS_GETDECLS, \
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LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, \
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LANG_HOOKS_WRITE_GLOBALS, \
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LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE, \
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LANG_HOOKS_DECL_OK_FOR_SIBCALL, \
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LANG_HOOKS_COMDAT_GROUP \
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}
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/* The whole thing. The structure is defined in langhooks.h. */
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#define LANG_HOOKS_INITIALIZER { \
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LANG_HOOKS_NAME, \
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LANG_HOOKS_IDENTIFIER_SIZE, \
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LANG_HOOKS_TREE_SIZE, \
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LANG_HOOKS_INIT_OPTIONS, \
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LANG_HOOKS_INITIALIZE_DIAGNOSTICS, \
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LANG_HOOKS_HANDLE_OPTION, \
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LANG_HOOKS_MISSING_ARGUMENT, \
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LANG_HOOKS_POST_OPTIONS, \
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LANG_HOOKS_INIT, \
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LANG_HOOKS_FINISH, \
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LANG_HOOKS_PARSE_FILE, \
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LANG_HOOKS_CLEAR_BINDING_STACK, \
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LANG_HOOKS_GET_ALIAS_SET, \
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LANG_HOOKS_EXPAND_CONSTANT, \
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LANG_HOOKS_EXPAND_EXPR, \
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LANG_HOOKS_EXPAND_DECL, \
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LANG_HOOKS_TRUTHVALUE_CONVERSION, \
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LANG_HOOKS_SAFE_FROM_P, \
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LANG_HOOKS_FINISH_INCOMPLETE_DECL, \
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LANG_HOOKS_MARK_ADDRESSABLE, \
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LANG_HOOKS_STATICP, \
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LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \
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LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, \
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LANG_HOOKS_CAN_USE_BIT_FIELDS_P, \
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LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS, \
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LANG_HOOKS_NO_BODY_BLOCKS, \
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LANG_HOOKS_PRINT_STATISTICS, \
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LANG_HOOKS_PRINT_XNODE, \
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LANG_HOOKS_PRINT_DECL, \
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LANG_HOOKS_PRINT_TYPE, \
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LANG_HOOKS_PRINT_IDENTIFIER, \
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LANG_HOOKS_DECL_PRINTABLE_NAME, \
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LANG_HOOKS_TYPES_COMPATIBLE_P, \
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LANG_HOOKS_GET_CALLEE_FNDECL, \
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LANG_HOOKS_PRINT_ERROR_FUNCTION, \
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LANG_HOOKS_EXPR_SIZE, \
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LANG_HOOKS_ATTRIBUTE_TABLE, \
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LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, \
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LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE, \
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LANG_HOOKS_FUNCTION_INITIALIZER, \
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LANG_HOOKS_TREE_INLINING_INITIALIZER, \
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LANG_HOOKS_CALLGRAPH_INITIALIZER, \
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LANG_HOOKS_TREE_DUMP_INITIALIZER, \
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LANG_HOOKS_DECLS, \
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LANG_HOOKS_FOR_TYPES_INITIALIZER, \
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LANG_HOOKS_GIMPLIFY_EXPR, \
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LANG_HOOKS_FOLD_OBJ_TYPE_REF, \
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LANG_HOOKS_BUILTIN_FUNCTION, \
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}
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#endif /* GCC_LANG_HOOKS_DEF_H */
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