diff options
Diffstat (limited to 'gold/script.cc')
| -rw-r--r-- | gold/script.cc | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/gold/script.cc b/gold/script.cc index 2cdaae6..e0b9359 100644 --- a/gold/script.cc +++ b/gold/script.cc @@ -1045,8 +1045,8 @@ Script_assertion::print(FILE* f) const // Class Script_options. Script_options::Script_options() - : entry_(), symbol_assignments_(), version_script_info_(), - script_sections_() + : entry_(), symbol_assignments_(), symbol_definitions_(), + symbol_references_(), version_script_info_(), script_sections_() { } @@ -1071,6 +1071,13 @@ Script_options::add_symbol_assignment(const char* name, size_t length, value, provide, hidden); this->symbol_assignments_.push_back(p); } + + if (!provide) + { + std::string n(name, length); + this->symbol_definitions_.insert(n); + this->symbol_references_.erase(n); + } } else { @@ -1084,6 +1091,19 @@ Script_options::add_symbol_assignment(const char* name, size_t length, } } +// Add a reference to a symbol. + +void +Script_options::add_symbol_reference(const char* name, size_t length) +{ + if (length != 1 || name[0] != '.') + { + std::string n(name, length); + if (this->symbol_definitions_.find(n) == this->symbol_definitions_.end()) + this->symbol_references_.insert(n); + } +} + // Add an assertion. void @@ -2679,6 +2699,17 @@ script_set_common_allocation(void* closurev, int set) script_parse_option(closurev, arg, strlen(arg)); } +// Called by the bison parser to refer to a symbol. + +extern "C" Expression* +script_symbol(void *closurev, const char* name, size_t length) +{ + Parser_closure* closure = static_cast<Parser_closure*>(closurev); + if (length != 1 || name[0] != '.') + closure->script_options()->add_symbol_reference(name, length); + return script_exp_string(name, length); +} + // Called by the bison parser to define a symbol. extern "C" void |