From a2beed37dbcc39524abf8a86b2133ea49f766205 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Sat, 9 Jan 2010 05:49:57 +0000 Subject: [PATCH] * script.cc (Version_script_info::build_expression_list_lookup): Don't warn about ambiguous version, just record the ambiguity. (Version_script_info::get_symbol_version_helper): Give error if version is ambiguous. --- gold/ChangeLog | 7 +++++++ gold/script.cc | 23 +++++++++++++++++------ 2 files changed, 24 insertions(+), 6 deletions(-) diff --git a/gold/ChangeLog b/gold/ChangeLog index 18a465b96db..a92796ab8aa 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,10 @@ +2010-01-08 Ian Lance Taylor + + * script.cc (Version_script_info::build_expression_list_lookup): + Don't warn about ambiguous version, just record the ambiguity. + (Version_script_info::get_symbol_version_helper): Give error if + version is ambiguous. + 2010-01-08 Doug Kwan * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_, diff --git a/gold/script.cc b/gold/script.cc index 42390405472..ce0605206b1 100644 --- a/gold/script.cc +++ b/gold/script.cc @@ -1957,11 +1957,13 @@ Version_script_info::build_expression_list_lookup( if (!ins.second) { const Version_tree* v1 = ins.first->second; - if (v1->tag != v->tag) - gold_error(_("'%s' appears in version script with both " - "versions '%s' and '%s'"), - exp.pattern.c_str(), v1->tag.c_str(), - v->tag.c_str()); + if (v1 != NULL && v1->tag != v->tag) + { + // This is an ambiguous match. It's OK if it's just + // documenting symbol versions, but not if we look + // up this symbol. + ins.first->second = NULL; + } } } } @@ -2037,7 +2039,16 @@ Version_script_info::get_symbol_version_helper(const char* symbol_name, if (pe != lookup->exact.end()) { if (pversion != NULL) - *pversion = pe->second->tag; + { + if (pe->second != NULL) + *pversion = pe->second->tag; + else + { + gold_error(_("'%s' has multiple versions in version script"), + name_to_match); + return false; + } + } // If we are using --no-undefined-version, and this is a // global symbol, we have to record that we have found this -- 2.30.2