From d35543c0dd3d5377461d7a1d2902b89543b65276 Mon Sep 17 00:00:00 2001 From: Jan Hubicka Date: Tue, 24 Jun 2003 13:54:01 +0200 Subject: langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): New macro. * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): New macro. * langhooks.h (lang_hooks_for_decls): Add prepare_assemble_variable. * varasm.c (assemble_variable): Call prepare_assemble_variable. * class.c (build_vtable): Make vtables. * cp-tree.h (DECL_VTABLE_OR_VTT_P): New macro. * decl2.c (output_vtable_inherit): Rename to ... (prepare_assemble_variable): ... this one; change interface. (maybe_emit_vtables): Do not call output_vtable_inherit. * cp-lang.c (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Define. * cp-tree.h (prepare_assemble_variable): New. From-SVN: r68418 --- gcc/ChangeLog | 6 ++++++ gcc/Makefile.in | 2 +- gcc/cp/ChangeLog | 10 ++++++++++ gcc/cp/class.c | 1 + gcc/cp/cp-lang.c | 3 +++ gcc/cp/cp-tree.h | 5 +++++ gcc/cp/decl2.c | 12 ++++++------ gcc/langhooks-def.h | 2 ++ gcc/langhooks.h | 3 +++ gcc/varasm.c | 3 +++ 10 files changed, 40 insertions(+), 7 deletions(-) (limited to 'gcc') diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e2de168..7be7d42 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Tue Jun 24 13:52:11 CEST 2003 Jan Hubicka + + * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): New macro. + * langhooks.h (lang_hooks_for_decls): Add prepare_assemble_variable. + * varasm.c (assemble_variable): Call prepare_assemble_variable. + 2003-06-23 Roger Sayle * builtins.c (expand_builtin): Use expand_builtin_pow to expand diff --git a/gcc/Makefile.in b/gcc/Makefile.in index b985ee3..ebb2000 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -1596,7 +1596,7 @@ simplify-rtx.o : simplify-rtx.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RT $(REGS_H) hard-reg-set.h flags.h real.h insn-config.h $(RECOG_H) $(EXPR_H) toplev.h \ output.h function.h $(GGC_H) $(OBSTACK_H) $(TM_P_H) $(TREE_H) $(TARGET_H) cgraph.o : cgraph.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \ - langhooks.h tree-inline.h toplev.h flags.h ggc.h $(TARGET_H) cgraph.h gt-cgraph.h + langhooks.h toplev.h flags.h ggc.h $(TARGET_H) cgraph.h gt-cgraph.h output.h cgraphunit.o : cgraphunit.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \ langhooks.h tree-inline.h toplev.h flags.h ggc.h $(TARGET_H) cgraph.h coverage.o : coverage.c gcov-io.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \ diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index b99ae52..2bc0484 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,13 @@ +Tue Jun 24 13:52:34 CEST 2003 Jan Hubicka + + * class.c (build_vtable): Make vtables. + * cp-tree.h (DECL_VTABLE_OR_VTT_P): New macro. + * decl2.c (output_vtable_inherit): Rename to ... + (prepare_assemble_variable): ... this one; change interface. + (maybe_emit_vtables): Do not call output_vtable_inherit. + * cp-lang.c (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Define. + * cp-tree.h (prepare_assemble_variable): New. + 2003-06-23 Andrew Pinski * method.c: add prototype for make_alias_for_thunk. diff --git a/gcc/cp/class.c b/gcc/cp/class.c index 53f097b..12c2068 100644 --- a/gcc/cp/class.c +++ b/gcc/cp/class.c @@ -530,6 +530,7 @@ build_vtable (tree class_type, tree name, tree vtable_type) TREE_READONLY (decl) = 1; DECL_VIRTUAL_P (decl) = 1; DECL_ALIGN (decl) = TARGET_VTABLE_ENTRY_ALIGN; + DECL_VTABLE_OR_VTT_P (decl) = 1; /* At one time the vtable info was grabbed 2 words at a time. This fails on sparc unless you have 8-byte alignment. (tiemann) */ diff --git a/gcc/cp/cp-lang.c b/gcc/cp/cp-lang.c index 7914d81..c799437 100644 --- a/gcc/cp/cp-lang.c +++ b/gcc/cp/cp-lang.c @@ -145,6 +145,9 @@ static bool cp_var_mod_type_p (tree); #undef LANG_HOOKS_EXPR_SIZE #define LANG_HOOKS_EXPR_SIZE cp_expr_size +#undef LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE +#define LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE prepare_assemble_variable + #undef LANG_HOOKS_MAKE_TYPE #define LANG_HOOKS_MAKE_TYPE cxx_make_type #undef LANG_HOOKS_TYPE_FOR_MODE diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h index 6bc6f6f..1527aa4 100644 --- a/gcc/cp/cp-tree.h +++ b/gcc/cp/cp-tree.h @@ -73,6 +73,7 @@ struct diagnostic_context; NEED_TEMPORARY_P (in REF_BIND, BASE_CONV) IDENTIFIER_TYPENAME_P (in IDENTIFIER_NODE) 5: C_IS_RESERVED_WORD (in IDENTIFIER_NODE) + DECL_VTABLE_OR_VTT_P (in VAR_DECL) 6: For future expansion Usage of TYPE_LANG_FLAG_?: @@ -2056,6 +2057,9 @@ struct lang_decl GTY(()) (DECL_CONTEXT (NODE) \ && TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL) +/* 1 iff VAR_DECL node NODE is virtual table or VTT. */ +#define DECL_VTABLE_OR_VTT_P(NODE) TREE_LANG_FLAG_5 (VAR_DECL_CHECK (NODE)) + /* 1 iff NODE is function-local, but for types. */ #define LOCAL_CLASS_P(NODE) \ (decl_function_context (TYPE_MAIN_DECL (NODE)) != NULL_TREE) @@ -3794,6 +3798,7 @@ extern tree build_artificial_parm (tree, tree); extern tree get_guard (tree); extern tree get_guard_cond (tree); extern tree set_guard (tree); +extern void prepare_assemble_variable (tree); extern void cp_error_at (const char *msgid, ...); extern void cp_warning_at (const char *msgid, ...); diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c index 44ea6a3..9a96000 100644 --- a/gcc/cp/decl2.c +++ b/gcc/cp/decl2.c @@ -66,7 +66,6 @@ static void add_using_namespace (tree, tree, bool); static cxx_binding *ambiguous_decl (tree, cxx_binding *, cxx_binding *, int); static tree build_anon_union_vars (tree); static bool acceptable_java_type (tree); -static void output_vtable_inherit (tree); static tree start_objects (int, int); static void finish_objects (int, int, tree); static tree merge_functions (tree, tree); @@ -1606,12 +1605,16 @@ import_export_class (tree ctype) /* We need to describe to the assembler the relationship between a vtable and the vtable of the parent class. */ -static void -output_vtable_inherit (tree vars) +void +prepare_assemble_variable (tree vars) { tree parent; rtx child_rtx, parent_rtx; + if (!flag_vtable_gc || TREE_CODE (vars) != VAR_DECL + || !DECL_VTABLE_OR_VTT_P (vars)) + return; + child_rtx = XEXP (DECL_RTL (vars), 0); /* strip the mem ref */ parent = binfo_for_vtable (vars); @@ -1708,9 +1711,6 @@ maybe_emit_vtables (tree ctype) rest_of_decl_compilation (vtbl, NULL, 1, 1); - if (flag_vtable_gc) - output_vtable_inherit (vtbl); - /* Because we're only doing syntax-checking, we'll never end up actually marking the variable as written. */ if (flag_syntax_only) diff --git a/gcc/langhooks-def.h b/gcc/langhooks-def.h index a7f0abc..12e4f9b 100644 --- a/gcc/langhooks-def.h +++ b/gcc/langhooks-def.h @@ -221,6 +221,7 @@ int lhd_tree_dump_type_quals PARAMS ((tree)); #define LANG_HOOKS_GETDECLS getdecls #define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL lhd_warn_unused_global_decl #define LANG_HOOKS_WRITE_GLOBALS write_global_declarations +#define LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE NULL #define LANG_HOOKS_DECL_OK_FOR_SIBCALL lhd_decl_ok_for_sibcall #define LANG_HOOKS_DECLS { \ @@ -233,6 +234,7 @@ int lhd_tree_dump_type_quals PARAMS ((tree)); LANG_HOOKS_GETDECLS, \ LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL, \ LANG_HOOKS_WRITE_GLOBALS, \ + LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE, \ LANG_HOOKS_DECL_OK_FOR_SIBCALL, \ } diff --git a/gcc/langhooks.h b/gcc/langhooks.h index cfb26de..089fc4e 100644 --- a/gcc/langhooks.h +++ b/gcc/langhooks.h @@ -181,6 +181,9 @@ struct lang_hooks_for_decls of compilation */ void (*final_write_globals) PARAMS ((void)); + /* Do necessary preparations before assemble_variable can proceed. */ + void (*prepare_assemble_variable) PARAMS ((tree)); + /* True if this decl may be called via a sibcall. */ bool (*ok_for_sibcall) PARAMS ((tree)); }; diff --git a/gcc/varasm.c b/gcc/varasm.c index a464e328..fdfa022 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -1409,6 +1409,9 @@ assemble_variable (decl, top_level, at_end, dont_output_data) int reloc = 0; rtx decl_rtl; + if (lang_hooks.decls.prepare_assemble_variable) + (*lang_hooks.decls.prepare_assemble_variable) (decl); + last_assemble_variable_decl = 0; /* Normally no need to say anything here for external references, -- cgit v1.1