diff options
Diffstat (limited to 'gcc/tree.c')
| -rw-r--r-- | gcc/tree.c | 36 |
1 files changed, 35 insertions, 1 deletions
@@ -182,10 +182,42 @@ void (*lang_unsave_expr_now) PARAMS ((tree)); /* If non-null, these are language-specific helper functions for unsafe_for_reeval. Return negative to not handle some tree. */ int (*lang_unsafe_for_reeval) PARAMS ((tree)); + +/* Set the DECL_ASSEMBLER_NAME for a node. If it is the sort of thing + that the assembler should talk about, set DECL_ASSEMBLER_NAME to an + appropriate IDENTIFIER_NODE. Otherwise, set it to the + ERROR_MARK_NODE to ensure that the assembler does not talk about + it. */ +void (*lang_set_decl_assembler_name) PARAMS ((tree)); tree global_trees[TI_MAX]; tree integer_types[itk_none]; +/* Set the DECL_ASSEMBLER_NAME for DECL. */ +void +set_decl_assembler_name (decl) + tree decl; +{ + /* The language-independent code should never use the + DECL_ASSEMBLER_NAME for lots of DECLs. Only FUNCTION_DECLs and + VAR_DECLs for variables with static storage duration need a real + DECL_ASSEMBLER_NAME. */ + if (TREE_CODE (decl) == FUNCTION_DECL + || (TREE_CODE (decl) == VAR_DECL + && (TREE_STATIC (decl) || DECL_EXTERNAL (decl)))) + /* By default, assume the name to use in assembly code is the + same as that used in the source language. (That's correct + for C, and GCC used to set DECL_ASSEMBLER_NAME to the same + value as DECL_NAME in build_decl, so this choice provides + backwards compatibility with existing front-ends. */ + SET_DECL_ASSEMBLER_NAME (decl, DECL_NAME (decl)); + else + /* Nobody should ever be asking for the DECL_ASSEMBLER_NAME of + these DECLs -- unless they're in language-dependent code, in + which case lang_set_decl_assembler_name should handle things. */ + abort (); +} + /* Init the principal obstacks. */ void @@ -199,6 +231,9 @@ init_obstacks () ggc_add_root (&type_hash_table, 1, sizeof type_hash_table, mark_type_hash); ggc_add_tree_root (global_trees, TI_MAX); ggc_add_tree_root (integer_types, itk_none); + + /* Set lang_set_decl_set_assembler_name to a default value. */ + lang_set_decl_assembler_name = set_decl_assembler_name; } void @@ -2557,7 +2592,6 @@ build_decl (code, name, type) as the type can suppress useless errors in the use of this variable. */ DECL_NAME (t) = name; - DECL_ASSEMBLER_NAME (t) = name; TREE_TYPE (t) = type; if (code == VAR_DECL || code == PARM_DECL || code == RESULT_DECL) |