{
class General_options;
+class Errors;
+class Target;
// Here we define the Parameters class which simply holds simple
// general parameters which apply to the entire link. We use a global
class Parameters
{
public:
- Parameters(const General_options*);
+ Parameters(Errors*);
+
+ // Return the error object.
+ Errors*
+ errors() const
+ { return this->errors_; }
+
+ // Whether the options are valid. This should not normally be
+ // called, but it is needed by gold_exit.
+ bool
+ options_valid() const
+ { return this->options_valid_; }
+
+ // Whether to use threads.
+ bool
+ threads() const
+ {
+ gold_assert(this->options_valid_);
+ return this->threads_;
+ }
+
+ // Return the output file name.
+ const char*
+ output_file_name() const
+ {
+ gold_assert(this->options_valid_);
+ return this->output_file_name_;
+ }
// Whether we are generating a regular executable.
bool
output_is_executable() const
- { return this->output_file_type_ == OUTPUT_EXECUTABLE; }
+ {
+ gold_assert(this->output_file_type_ != OUTPUT_INVALID);
+ return this->output_file_type_ == OUTPUT_EXECUTABLE;
+ }
// Whether we are generating a shared library.
bool
output_is_shared() const
- { return this->output_file_type_ == OUTPUT_SHARED; }
+ {
+ gold_assert(this->output_file_type_ != OUTPUT_INVALID);
+ return this->output_file_type_ == OUTPUT_SHARED;
+ }
// Whether we are generating an object file.
bool
output_is_object() const
- { return this->output_file_type_ == OUTPUT_OBJECT; }
+ {
+ gold_assert(this->output_file_type_ != OUTPUT_INVALID);
+ return this->output_file_type_ == OUTPUT_OBJECT;
+ }
+
+ // Whether we are generating position-independent output.
+ // This is the case when generating either a shared library
+ // or a regular executable with the --pic-executable option.
+ // FIXME: support --pic-executable
+ bool
+ output_is_position_independent() const
+ { return output_is_shared(); }
// The target system root directory. This is NULL if there isn't
// one.
const std::string&
sysroot() const
- { return this->sysroot_; }
+ {
+ gold_assert(this->options_valid_);
+ return this->sysroot_;
+ }
// Whether to strip all symbols.
bool
strip_all() const
- { return this->strip_ == STRIP_ALL; }
+ {
+ gold_assert(this->strip_ != STRIP_INVALID);
+ return this->strip_ == STRIP_ALL;
+ }
// Whether to strip debugging information.
bool
strip_debug() const
- { return this->strip_ == STRIP_ALL || this->strip_ == STRIP_DEBUG; }
+ {
+ gold_assert(this->strip_ != STRIP_INVALID);
+ return this->strip_ == STRIP_ALL || this->strip_ == STRIP_DEBUG;
+ }
+
+ // Whether to strip debugging information that's not used by gdb.
+ bool
+ strip_debug_gdb() const
+ {
+ gold_assert(this->strip_ != STRIP_INVALID);
+ return this->strip_debug() || this->strip_ == STRIP_DEBUG_UNUSED_BY_GDB;
+ }
+
+ // Whether to permit unresolved references from shared libraries.
+ bool
+ allow_shlib_undefined() const
+ {
+ gold_assert(this->options_valid_);
+ return this->allow_shlib_undefined_;
+ }
+
+ // Whether we are doing a symbolic link, in which all defined
+ // symbols are bound locally.
+ bool
+ symbolic() const
+ {
+ gold_assert(this->options_valid_);
+ return this->symbolic_;
+ }
+
+ // Whether we should demangle C++ symbols in our log messages.
+ bool
+ demangle() const
+ { return this->demangle_; }
+
+ // Whether we should try to detect violations of the One Definition Rule.
+ bool
+ detect_odr_violations() const
+ {
+ gold_assert(this->options_valid_);
+ return this->detect_odr_violations_;
+ }
+
+ // The general linker optimization level.
+ int
+ optimization_level() const
+ {
+ gold_assert(this->options_valid_);
+ return this->optimization_level_;
+ }
+
+ // Whether the -E/--export-dynamic flag is set.
+ bool
+ export_dynamic() const
+ {
+ gold_assert(this->options_valid_);
+ return this->export_dynamic_;
+ }
+
+ // Return the debug flags. These are the flags for which we should
+ // report internal debugging information.
+ unsigned int
+ debug() const
+ {
+ gold_assert(this->options_valid_);
+ return this->debug_;
+ }
// Whether we are doing a static link--a link in which none of the
// input files are shared libraries. This is only known after we
return this->doing_static_link_;
}
+ // The target of the output file we are generating.
+ Target*
+ target() const
+ {
+ gold_assert(this->is_target_valid_);
+ return this->target_;
+ }
+
// The size of the output file we are generating. This should
// return 32 or 64.
int
get_size() const
{
- gold_assert(this->is_size_and_endian_valid_);
+ gold_assert(this->is_target_valid_);
return this->size_;
}
bool
is_big_endian() const
{
- gold_assert(this->is_size_and_endian_valid_);
+ gold_assert(this->is_target_valid_);
return this->is_big_endian_;
}
- // The general linker optimization level.
- int
- optimization_level() const
- { return this->optimization_level_; }
+ // Set values recorded from options.
+ void
+ set_from_options(const General_options*);
// Set whether we are doing a static link.
void
set_doing_static_link(bool doing_static_link);
- // Set the size and endianness.
+ // Set the target.
void
- set_size_and_endianness(int size, bool is_big_endian);
+ set_target(Target* target);
private:
// The types of output files.
enum Output_file_type
{
+ // Uninitialized.
+ OUTPUT_INVALID,
// Generating executable.
OUTPUT_EXECUTABLE,
// Generating shared library.
// Which symbols to strip.
enum Strip
{
+ // Uninitialize.
+ STRIP_INVALID,
// Don't strip any symbols.
STRIP_NONE,
// Strip all symbols.
STRIP_ALL,
// Strip debugging information.
- STRIP_DEBUG
+ STRIP_DEBUG,
+ // Strip debugging information that's not used by gdb (at least <= 6.7)
+ STRIP_DEBUG_UNUSED_BY_GDB
};
+ // A pointer to the error handling object.
+ Errors* errors_;
+
+ // Whether the fields set from the options are valid.
+ bool options_valid_;
+ // Whether to use threads.
+ bool threads_;
+ // The output file name.
+ const char* output_file_name_;
// The type of the output file.
Output_file_type output_file_type_;
// The target system root directory.
std::string sysroot_;
// Which symbols to strip.
Strip strip_;
+ // Whether to allow undefined references from shared libraries.
+ bool allow_shlib_undefined_;
+ // Whether we are doing a symbolic link.
+ bool symbolic_;
+ // Whether we should demangle C++ symbols in our log messages.
+ bool demangle_;
+ // Whether we try to detect One Definition Rule violations.
+ bool detect_odr_violations_;
+ // The optimization level.
+ int optimization_level_;
+ // Whether the -E/--export-dynamic flag is set.
+ bool export_dynamic_;
+ // The debug flags.
+ unsigned int debug_;
// Whether the doing_static_link_ field is valid.
bool is_doing_static_link_valid_;
// Whether we are doing a static link.
bool doing_static_link_;
- // Whether the size_ and is_big_endian_ fields are valid.
- bool is_size_and_endian_valid_;
+ // Whether the target_ field is valid.
+ bool is_target_valid_;
+ // The target.
+ Target* target_;
// The size of the output file--32 or 64.
int size_;
// Whether the output file is big endian.
bool is_big_endian_;
- // The optimization level.
- int optimization_level_;
};
// This is a global variable.
extern const Parameters* parameters;
// Initialize the global variable.
-extern void initialize_parameters(const General_options*);
+extern void initialize_parameters(Errors*);
+
+// Set the options.
+extern void set_parameters_from_options(const General_options*);
-// Set the size and endianness of the global parameters variable.
-extern void set_parameters_size_and_endianness(int size, bool is_big_endian);
+// Set the target recorded in the global parameters variable.
+extern void set_parameters_target(Target* target);
// Set whether we are doing a static link.
extern void set_parameters_doing_static_link(bool doing_static_link);
+// Return whether we are doing a particular debugging type. The
+// argument is one of the flags from debug.h.
+
+inline bool
+is_debugging_enabled(unsigned int type)
+{ return (parameters->debug() & type) != 0; }
+
} // End namespace gold.
#endif // !defined(GOLD_PARAMETERS_H)
projects / deliverable / binutils-gdb.git / blobdiff