diff options
Diffstat (limited to 'gcc/ipa.c')
| -rw-r--r-- | gcc/ipa.c | 30 |
1 files changed, 24 insertions, 6 deletions
@@ -1496,10 +1496,13 @@ struct ipa_opt_pass_d pass_ipa_profile = /* Generate and emit a static constructor or destructor. WHICH must be one of 'I' (for a constructor) or 'D' (for a destructor). BODY is a STATEMENT_LIST containing GENERIC statements. PRIORITY is the - initialization priority for this constructor or destructor. */ + initialization priority for this constructor or destructor. -void -cgraph_build_static_cdtor (char which, tree body, int priority) + FINAL specify whether the externally visible name for collect2 should + be produced. */ + +static void +cgraph_build_static_cdtor_1 (char which, tree body, int priority, bool final) { static int counter = 0; char which_buf[16]; @@ -1508,7 +1511,12 @@ cgraph_build_static_cdtor (char which, tree body, int priority) /* The priority is encoded in the constructor or destructor name. collect2 will sort the names and arrange that they are called at program startup. */ - sprintf (which_buf, "%c_%.5d_%d", which, priority, counter++); + if (final) + sprintf (which_buf, "%c_%.5d_%d", which, priority, counter++); + else + /* Proudce sane name but one not recognizable by collect2, just for the + case we fail to inline the function. */ + sprintf (which_buf, "sub_%c_%.5d_%d", which, priority, counter++); name = get_file_function_name (which_buf); decl = build_decl (input_location, FUNCTION_DECL, name, @@ -1528,7 +1536,7 @@ cgraph_build_static_cdtor (char which, tree body, int priority) DECL_ARTIFICIAL (decl) = 1; DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (decl) = 1; DECL_SAVED_TREE (decl) = body; - if (!targetm.have_ctors_dtors) + if (!targetm.have_ctors_dtors && final) { TREE_PUBLIC (decl) = 1; DECL_PRESERVE_P (decl) = 1; @@ -1563,6 +1571,16 @@ cgraph_build_static_cdtor (char which, tree body, int priority) current_function_decl = NULL; } +/* Generate and emit a static constructor or destructor. WHICH must + be one of 'I' (for a constructor) or 'D' (for a destructor). BODY + is a STATEMENT_LIST containing GENERIC statements. PRIORITY is the + initialization priority for this constructor or destructor. */ + +void +cgraph_build_static_cdtor (char which, tree body, int priority) +{ + cgraph_build_static_cdtor_1 (which, body, priority, false); +} /* A vector of FUNCTION_DECLs declared as static constructors. */ static VEC(tree, heap) *static_ctors; @@ -1648,7 +1666,7 @@ build_cdtor (bool ctor_p, VEC (tree, heap) *cdtors) gcc_assert (body != NULL_TREE); /* Generate a function to call all the function of like priority. */ - cgraph_build_static_cdtor (ctor_p ? 'I' : 'D', body, priority); + cgraph_build_static_cdtor_1 (ctor_p ? 'I' : 'D', body, priority, true); } } |