| // options.h -- handle command line options for gold -*- C++ -*- |
| |
| // Copyright 2006, 2007, 2008 Free Software Foundation, Inc. |
| // Written by Ian Lance Taylor <iant@google.com>. |
| |
| // This file is part of gold. |
| |
| // This program is free software; you can redistribute it and/or modify |
| // it under the terms of the GNU General Public License as published by |
| // the Free Software Foundation; either version 3 of the License, or |
| // (at your option) any later version. |
| |
| // This program is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License |
| // along with this program; if not, write to the Free Software |
| // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| // MA 02110-1301, USA. |
| |
| // Command_line |
| // Holds everything we get from the command line. |
| // General_options (from Command_line::options()) |
| // Options which are not position dependent. |
| // Input_argument (from Command_line::inputs()) |
| // The list of input files, including -l options. |
| // Position_dependent_options (from Input_argument::options()) |
| // Position dependent options which apply to this argument. |
| |
| #ifndef GOLD_OPTIONS_H |
| #define GOLD_OPTIONS_H |
| |
| #include <cstdlib> |
| #include <list> |
| #include <string> |
| #include <vector> |
| |
| #include "elfcpp.h" |
| #include "script.h" |
| |
| namespace gold |
| { |
| |
| class Command_line; |
| class Input_file_group; |
| class Position_dependent_options; |
| class Target; |
| |
| namespace options |
| { |
| |
| class Command_line_options; |
| struct One_option; |
| struct One_z_option; |
| struct One_debug_option; |
| |
| } // End namespace gold::options. |
| |
| // A directory to search. For each directory we record whether it is |
| // in the sysroot. We need to know this so that, if a linker script |
| // is found within the sysroot, we will apply the sysroot to any files |
| // named by that script. |
| |
| class Search_directory |
| { |
| public: |
| // We need a default constructor because we put this in a |
| // std::vector. |
| Search_directory() |
| : name_(NULL), put_in_sysroot_(false), is_in_sysroot_(false) |
| { } |
| |
| // This is the usual constructor. |
| Search_directory(const char* name, bool put_in_sysroot) |
| : name_(name), put_in_sysroot_(put_in_sysroot), is_in_sysroot_(false) |
| { |
| if (this->name_.empty()) |
| this->name_ = "."; |
| } |
| |
| // This is called if we have a sysroot. The sysroot is prefixed to |
| // any entries for which put_in_sysroot_ is true. is_in_sysroot_ is |
| // set to true for any enries which are in the sysroot (this will |
| // naturally include any entries for which put_in_sysroot_ is true). |
| // SYSROOT is the sysroot, CANONICAL_SYSROOT is the result of |
| // passing SYSROOT to lrealpath. |
| void |
| add_sysroot(const char* sysroot, const char* canonical_sysroot); |
| |
| // Get the directory name. |
| const std::string& |
| name() const |
| { return this->name_; } |
| |
| // Return whether this directory is in the sysroot. |
| bool |
| is_in_sysroot() const |
| { return this->is_in_sysroot_; } |
| |
| private: |
| std::string name_; |
| bool put_in_sysroot_; |
| bool is_in_sysroot_; |
| }; |
| |
| // The position independent options which apply to the whole link. |
| // There are a lot of them. |
| |
| class General_options |
| { |
| public: |
| enum Object_format |
| { |
| // Ordinary ELF. |
| OBJECT_FORMAT_ELF, |
| // Straight binary format. |
| OBJECT_FORMAT_BINARY |
| }; |
| |
| General_options(Script_options*); |
| |
| // -e: set entry address. |
| const char* |
| entry() const |
| { return this->script_options_->entry(); } |
| |
| // -E: export dynamic symbols. |
| bool |
| export_dynamic() const |
| { return this->export_dynamic_; } |
| |
| // -h: shared library name. |
| const char* |
| soname() const |
| { return this->soname_; } |
| |
| // -I: dynamic linker name. |
| const char* |
| dynamic_linker() const |
| { return this->dynamic_linker_; } |
| |
| // -L: Library search path. |
| typedef std::vector<Search_directory> Dir_list; |
| |
| const Dir_list& |
| search_path() const |
| { return this->search_path_; } |
| |
| // -O: optimization level (0: don't try to optimize output size). |
| int |
| optimization_level() const |
| { return this->optimization_level_; } |
| |
| // -o: Output file name. |
| const char* |
| output_file_name() const |
| { return this->output_file_name_; } |
| |
| // --oformat: Output format. |
| Object_format |
| output_format() const |
| { return this->output_format_; } |
| |
| // Return the default target. |
| Target* |
| default_target() const; |
| |
| // -r: Whether we are doing a relocatable link. |
| bool |
| is_relocatable() const |
| { return this->is_relocatable_; } |
| |
| // -s: Strip all symbols. |
| bool |
| strip_all() const |
| { return this->strip_ == STRIP_ALL; } |
| |
| // -S: Strip debugging information. |
| bool |
| strip_debug() const |
| { return this->strip_ == STRIP_ALL || this->strip_ == STRIP_DEBUG; } |
| |
| // --strip-debug-gdb: strip only debugging information that's not |
| // used by gdb (at least, for gdb versions <= 6.7). |
| bool |
| strip_debug_gdb() const |
| { return this->strip_debug() || this->strip_ == STRIP_DEBUG_UNUSED_BY_GDB; } |
| |
| // --allow-shlib-undefined: do not warn about unresolved symbols in |
| // --shared libraries. |
| bool |
| allow_shlib_undefined() const |
| { return this->allow_shlib_undefined_; } |
| |
| // -Bsymbolic: bind defined symbols locally. |
| bool |
| symbolic() const |
| { return this->symbolic_; } |
| |
| // --compress-debug-sections: compress .debug_* sections in the |
| // output file using the given compression method. This is useful |
| // when the tools (such as gdb) support compressed sections. |
| bool |
| compress_debug_sections() const |
| { return this->compress_debug_sections_ != NO_COMPRESSION; } |
| |
| bool |
| zlib_compress_debug_sections() const |
| { return this->compress_debug_sections_ == ZLIB_COMPRESSION; } |
| |
| // --demangle: demangle C++ symbols in our log messages. |
| bool |
| demangle() const |
| { return this->demangle_; } |
| |
| // --detect-odr-violations: Whether to search for One Defn Rule violations. |
| bool |
| detect_odr_violations() const |
| { return this->detect_odr_violations_; } |
| |
| // --eh-frame-hdr: Whether to generate an exception frame header. |
| bool |
| create_eh_frame_hdr() const |
| { return this->create_eh_frame_hdr_; } |
| |
| // --rpath: The runtime search path. |
| const Dir_list& |
| rpath() const |
| { return this->rpath_; } |
| |
| // --rpath-link: The link time search patch for shared libraries. |
| const Dir_list& |
| rpath_link() const |
| { return this->rpath_link_; } |
| |
| // --shared: Whether generating a shared object. |
| bool |
| is_shared() const |
| { return this->is_shared_; } |
| |
| // --static: Whether doing a static link. |
| bool |
| is_static() const |
| { return this->is_static_; } |
| |
| // --stats: Print resource usage statistics. |
| bool |
| print_stats() const |
| { return this->print_stats_; } |
| |
| // --sysroot: The system root of a cross-linker. |
| const std::string& |
| sysroot() const |
| { return this->sysroot_; } |
| |
| // --version-script: The version script to apply if --shared is true. |
| const Version_script_info& |
| version_script() const |
| { return *this->script_options_->version_script_info(); } |
| |
| // -Tbss: The address of the BSS segment |
| uint64_t |
| bss_segment_address() const |
| { return this->bss_segment_address_; } |
| |
| // Whether -Tbss was used. |
| bool |
| user_set_bss_segment_address() const |
| { return this->bss_segment_address_ != -1U; } |
| |
| // -Tdata: The address of the data segment |
| uint64_t |
| data_segment_address() const |
| { return this->data_segment_address_; } |
| |
| // Whether -Tdata was used. |
| bool |
| user_set_data_segment_address() const |
| { return this->data_segment_address_ != -1U; } |
| |
| // -Ttext: The address of the .text section |
| uint64_t |
| text_segment_address() const |
| { return this->text_segment_address_; } |
| |
| // Whether -Ttext was used. |
| bool |
| user_set_text_segment_address() const |
| { return this->text_segment_address_ != -1U; } |
| |
| // --threads: Whether to use threads. |
| bool |
| threads() const |
| { return this->threads_; } |
| |
| // --thread-count-initial: Threads to use in initial pass. |
| int |
| thread_count_initial() const |
| { return this->thread_count_initial_; } |
| |
| // --thread-count-middle: Threads to use in middle pass. |
| int |
| thread_count_middle() const |
| { return this->thread_count_middle_; } |
| |
| // --thread-count-final: Threads to use in final pass. |
| int |
| thread_count_final() const |
| { return this->thread_count_final_; } |
| |
| // -z execstack, -z noexecstack |
| bool |
| is_execstack_set() const |
| { return this->execstack_ != EXECSTACK_FROM_INPUT; } |
| |
| bool |
| is_stack_executable() const |
| { return this->execstack_ == EXECSTACK_YES; } |
| |
| // --debug |
| unsigned int |
| debug() const |
| { return this->debug_; } |
| |
| // Return the options which may be set from a linker script. |
| Script_options* |
| script_options() |
| { return this->script_options_; } |
| |
| const Script_options* |
| script_options() const |
| { return this->script_options_; } |
| |
| private: |
| // Don't copy this structure. |
| General_options(const General_options&); |
| General_options& operator=(const General_options&); |
| |
| friend class Command_line; |
| friend class options::Command_line_options; |
| |
| // Which symbols to strip. |
| enum Strip |
| { |
| // Don't strip any symbols. |
| STRIP_NONE, |
| // Strip all symbols. |
| STRIP_ALL, |
| // Strip debugging information. |
| STRIP_DEBUG, |
| // Strip debugging information that's not used by gdb (at least <= 6.7) |
| STRIP_DEBUG_UNUSED_BY_GDB |
| }; |
| |
| // Whether to mark the stack as executable. |
| enum Execstack |
| { |
| // Not set on command line. |
| EXECSTACK_FROM_INPUT, |
| // Mark the stack as executable. |
| EXECSTACK_YES, |
| // Mark the stack as not executable. |
| EXECSTACK_NO |
| }; |
| |
| // What compression method to use |
| enum CompressionMethod |
| { |
| NO_COMPRESSION, |
| ZLIB_COMPRESSION, |
| }; |
| |
| void |
| set_entry(const char* arg) |
| { this->script_options_->set_entry(arg, strlen(arg)); } |
| |
| void |
| set_export_dynamic() |
| { this->export_dynamic_ = true; } |
| |
| void |
| set_soname(const char* arg) |
| { this->soname_ = arg; } |
| |
| void |
| set_dynamic_linker(const char* arg) |
| { this->dynamic_linker_ = arg; } |
| |
| void |
| add_to_search_path(const char* arg) |
| { this->search_path_.push_back(Search_directory(arg, false)); } |
| |
| void |
| add_to_search_path_with_sysroot(const char* arg) |
| { this->search_path_.push_back(Search_directory(arg, true)); } |
| |
| void |
| set_optimization_level(const char* arg) |
| { |
| char* endptr; |
| this->optimization_level_ = strtol(arg, &endptr, 0); |
| if (*endptr != '\0' || this->optimization_level_ < 0) |
| gold_fatal(_("invalid optimization level: %s"), arg); |
| } |
| |
| void |
| set_output_file_name(const char* arg) |
| { this->output_file_name_ = arg; } |
| |
| void |
| set_output_format(const char*); |
| |
| void |
| set_relocatable() |
| { this->is_relocatable_ = true; } |
| |
| void |
| set_strip_all() |
| { this->strip_ = STRIP_ALL; } |
| |
| // Note: normalize_options() depends on the fact that this turns off |
| // STRIP_ALL if it were already set. |
| void |
| set_strip_debug() |
| { this->strip_ = STRIP_DEBUG; } |
| |
| void |
| set_strip_debug_gdb() |
| { this->strip_ = STRIP_DEBUG_UNUSED_BY_GDB; } |
| |
| void |
| set_allow_shlib_undefined() |
| { this->allow_shlib_undefined_ = true; } |
| |
| void |
| set_no_allow_shlib_undefined() |
| { this->allow_shlib_undefined_ = false; } |
| |
| void |
| set_symbolic() |
| { this->symbolic_ = true; } |
| |
| void set_compress_debug_sections(const char* arg) |
| { |
| if (strcmp(arg, "none") == 0) |
| this->compress_debug_sections_ = NO_COMPRESSION; |
| #ifdef HAVE_ZLIB_H |
| else if (strcmp(arg, "zlib") == 0) |
| this->compress_debug_sections_ = ZLIB_COMPRESSION; |
| #endif |
| else |
| gold_fatal(_("unsupported argument to --compress-debug-sections: %s"), |
| arg); |
| } |
| |
| void |
| define_symbol(const char* arg); |
| |
| void |
| set_demangle() |
| { this->demangle_ = true; } |
| |
| void |
| clear_demangle() |
| { this->demangle_ = false; } |
| |
| void |
| set_detect_odr_violations() |
| { this->detect_odr_violations_ = true; } |
| |
| void |
| set_create_eh_frame_hdr() |
| { this->create_eh_frame_hdr_ = true; } |
| |
| void |
| add_to_rpath(const char* arg) |
| { this->rpath_.push_back(Search_directory(arg, false)); } |
| |
| void |
| add_to_rpath_link(const char* arg) |
| { this->rpath_link_.push_back(Search_directory(arg, false)); } |
| |
| void |
| set_shared() |
| { this->is_shared_ = true; } |
| |
| void |
| set_static() |
| { this->is_static_ = true; } |
| |
| void |
| set_stats() |
| { this->print_stats_ = true; } |
| |
| void |
| set_sysroot(const char* arg) |
| { this->sysroot_ = arg; } |
| |
| void |
| set_segment_address(const char* name, const char* arg, uint64_t* val) |
| { |
| char* endptr; |
| *val = strtoull(arg, &endptr, 0); |
| if (*endptr != '\0' || *val == -1U) |
| gold_fatal(_("invalid argument to %s: %s"), name, arg); |
| } |
| |
| void |
| set_bss_segment_address(const char* arg) |
| { this->set_segment_address("-Tbss", arg, &this->bss_segment_address_); } |
| |
| void |
| set_data_segment_address(const char* arg) |
| { this->set_segment_address("-Tdata", arg, &this->data_segment_address_); } |
| |
| void |
| set_text_segment_address(const char* arg) |
| { this->set_segment_address("-Ttext", arg, &this->text_segment_address_); } |
| |
| int |
| parse_thread_count(const char* arg) |
| { |
| char* endptr; |
| const int count = strtol(arg, &endptr, 0); |
| if (*endptr != '\0' || count < 0) |
| gold_fatal(_("invalid thread count: %s"), arg); |
| return count; |
| } |
| |
| void |
| set_threads() |
| { |
| #ifndef ENABLE_THREADS |
| gold_fatal(_("--threads not supported")); |
| #endif |
| this->threads_ = true; |
| } |
| |
| void |
| clear_threads() |
| { this->threads_ = false; } |
| |
| void |
| set_thread_count(const char* arg) |
| { |
| int count = this->parse_thread_count(arg); |
| this->thread_count_initial_ = count; |
| this->thread_count_middle_ = count; |
| this->thread_count_final_ = count; |
| } |
| |
| void |
| set_thread_count_initial(const char* arg) |
| { this->thread_count_initial_ = this->parse_thread_count(arg); } |
| |
| void |
| set_thread_count_middle(const char* arg) |
| { this->thread_count_middle_ = this->parse_thread_count(arg); } |
| |
| void |
| set_thread_count_final(const char* arg) |
| { this->thread_count_final_ = this->parse_thread_count(arg); } |
| |
| void |
| ignore(const char*) |
| { } |
| |
| void |
| set_execstack() |
| { this->execstack_ = EXECSTACK_YES; } |
| |
| void |
| set_noexecstack() |
| { this->execstack_ = EXECSTACK_NO; } |
| |
| void |
| set_debug(unsigned int flags) |
| { this->debug_ = flags; } |
| |
| // Handle the -z option. |
| void |
| handle_z_option(const char*); |
| |
| // Handle the --debug option. |
| void |
| handle_debug_option(const char*); |
| |
| // Apply any sysroot to the directory lists. |
| void |
| add_sysroot(); |
| |
| bool export_dynamic_; |
| const char* soname_; |
| const char* dynamic_linker_; |
| Dir_list search_path_; |
| int optimization_level_; |
| const char* output_file_name_; |
| Object_format output_format_; |
| const char* output_format_string_; |
| bool is_relocatable_; |
| Strip strip_; |
| bool allow_shlib_undefined_; |
| bool symbolic_; |
| CompressionMethod compress_debug_sections_; |
| bool demangle_; |
| bool detect_odr_violations_; |
| bool create_eh_frame_hdr_; |
| Dir_list rpath_; |
| Dir_list rpath_link_; |
| bool is_shared_; |
| bool is_static_; |
| bool print_stats_; |
| std::string sysroot_; |
| uint64_t bss_segment_address_; |
| uint64_t data_segment_address_; |
| uint64_t text_segment_address_; |
| bool threads_; |
| int thread_count_initial_; |
| int thread_count_middle_; |
| int thread_count_final_; |
| Execstack execstack_; |
| unsigned int debug_; |
| // Some options can also be set from linker scripts. Those are |
| // stored here. |
| Script_options* script_options_; |
| }; |
| |
| // The current state of the position dependent options. |
| |
| class Position_dependent_options |
| { |
| public: |
| typedef General_options::Object_format Object_format; |
| |
| Position_dependent_options(); |
| |
| // -Bdynamic/-Bstatic: Whether we are searching for a static archive |
| // -rather than a shared object. |
| bool |
| do_static_search() const |
| { return this->do_static_search_; } |
| |
| // --as-needed: Whether to add a DT_NEEDED argument only if the |
| // dynamic object is used. |
| bool |
| as_needed() const |
| { return this->as_needed_; } |
| |
| // --whole-archive: Whether to include the entire contents of an |
| // --archive. |
| bool |
| include_whole_archive() const |
| { return this->include_whole_archive_; } |
| |
| // --format: The format of the input file. |
| Object_format |
| input_format() const |
| { return this->input_format_; } |
| |
| void |
| set_static_search() |
| { this->do_static_search_ = true; } |
| |
| void |
| set_dynamic_search() |
| { this->do_static_search_ = false; } |
| |
| void |
| set_as_needed() |
| { this->as_needed_ = true; } |
| |
| void |
| clear_as_needed() |
| { this->as_needed_ = false; } |
| |
| void |
| set_whole_archive() |
| { this->include_whole_archive_ = true; } |
| |
| void |
| clear_whole_archive() |
| { this->include_whole_archive_ = false; } |
| |
| void |
| set_input_format(const char*); |
| |
| private: |
| bool do_static_search_; |
| bool as_needed_; |
| bool include_whole_archive_; |
| Object_format input_format_; |
| }; |
| |
| // A single file or library argument from the command line. |
| |
| class Input_file_argument |
| { |
| public: |
| // name: file name or library name |
| // is_lib: true if name is a library name: that is, emits the leading |
| // "lib" and trailing ".so"/".a" from the name |
| // extra_search_path: an extra directory to look for the file, prior |
| // to checking the normal library search path. If this is "", |
| // then no extra directory is added. |
| // just_symbols: whether this file only defines symbols. |
| // options: The position dependent options at this point in the |
| // command line, such as --whole-archive. |
| Input_file_argument() |
| : name_(), is_lib_(false), extra_search_path_(""), just_symbols_(false), |
| options_() |
| { } |
| |
| Input_file_argument(const char* name, bool is_lib, |
| const char* extra_search_path, |
| bool just_symbols, |
| const Position_dependent_options& options) |
| : name_(name), is_lib_(is_lib), extra_search_path_(extra_search_path), |
| just_symbols_(just_symbols), options_(options) |
| { } |
| |
| const char* |
| name() const |
| { return this->name_.c_str(); } |
| |
| const Position_dependent_options& |
| options() const |
| { return this->options_; } |
| |
| bool |
| is_lib() const |
| { return this->is_lib_; } |
| |
| const char* |
| extra_search_path() const |
| { |
| return (this->extra_search_path_.empty() |
| ? NULL |
| : this->extra_search_path_.c_str()); |
| } |
| |
| // Return whether we should only read symbols from this file. |
| bool |
| just_symbols() const |
| { return this->just_symbols_; } |
| |
| // Return whether this file may require a search using the -L |
| // options. |
| bool |
| may_need_search() const |
| { return this->is_lib_ || !this->extra_search_path_.empty(); } |
| |
| private: |
| // We use std::string, not const char*, here for convenience when |
| // using script files, so that we do not have to preserve the string |
| // in that case. |
| std::string name_; |
| bool is_lib_; |
| std::string extra_search_path_; |
| bool just_symbols_; |
| Position_dependent_options options_; |
| }; |
| |
| // A file or library, or a group, from the command line. |
| |
| class Input_argument |
| { |
| public: |
| // Create a file or library argument. |
| explicit Input_argument(Input_file_argument file) |
| : is_file_(true), file_(file), group_(NULL) |
| { } |
| |
| // Create a group argument. |
| explicit Input_argument(Input_file_group* group) |
| : is_file_(false), group_(group) |
| { } |
| |
| // Return whether this is a file. |
| bool |
| is_file() const |
| { return this->is_file_; } |
| |
| // Return whether this is a group. |
| bool |
| is_group() const |
| { return !this->is_file_; } |
| |
| // Return the information about the file. |
| const Input_file_argument& |
| file() const |
| { |
| gold_assert(this->is_file_); |
| return this->file_; |
| } |
| |
| // Return the information about the group. |
| const Input_file_group* |
| group() const |
| { |
| gold_assert(!this->is_file_); |
| return this->group_; |
| } |
| |
| Input_file_group* |
| group() |
| { |
| gold_assert(!this->is_file_); |
| return this->group_; |
| } |
| |
| private: |
| bool is_file_; |
| Input_file_argument file_; |
| Input_file_group* group_; |
| }; |
| |
| // A group from the command line. This is a set of arguments within |
| // --start-group ... --end-group. |
| |
| class Input_file_group |
| { |
| public: |
| typedef std::vector<Input_argument> Files; |
| typedef Files::const_iterator const_iterator; |
| |
| Input_file_group() |
| : files_() |
| { } |
| |
| // Add a file to the end of the group. |
| void |
| add_file(const Input_file_argument& arg) |
| { this->files_.push_back(Input_argument(arg)); } |
| |
| // Iterators to iterate over the group contents. |
| |
| const_iterator |
| begin() const |
| { return this->files_.begin(); } |
| |
| const_iterator |
| end() const |
| { return this->files_.end(); } |
| |
| private: |
| Files files_; |
| }; |
| |
| // A list of files from the command line or a script. |
| |
| class Input_arguments |
| { |
| public: |
| typedef std::vector<Input_argument> Input_argument_list; |
| typedef Input_argument_list::const_iterator const_iterator; |
| |
| Input_arguments() |
| : input_argument_list_(), in_group_(false) |
| { } |
| |
| // Add a file. |
| void |
| add_file(const Input_file_argument& arg); |
| |
| // Start a group (the --start-group option). |
| void |
| start_group(); |
| |
| // End a group (the --end-group option). |
| void |
| end_group(); |
| |
| // Return whether we are currently in a group. |
| bool |
| in_group() const |
| { return this->in_group_; } |
| |
| // The number of entries in the list. |
| int |
| size() const |
| { return this->input_argument_list_.size(); } |
| |
| // Iterators to iterate over the list of input files. |
| |
| const_iterator |
| begin() const |
| { return this->input_argument_list_.begin(); } |
| |
| const_iterator |
| end() const |
| { return this->input_argument_list_.end(); } |
| |
| // Return whether the list is empty. |
| bool |
| empty() const |
| { return this->input_argument_list_.empty(); } |
| |
| private: |
| Input_argument_list input_argument_list_; |
| bool in_group_; |
| }; |
| |
| // All the information read from the command line. |
| |
| class Command_line |
| { |
| public: |
| typedef Input_arguments::const_iterator const_iterator; |
| |
| Command_line(Script_options*); |
| |
| // Process the command line options. This will exit with an |
| // appropriate error message if an unrecognized option is seen. |
| void |
| process(int argc, char** argv); |
| |
| // Process one command-line option. This takes the index of argv to |
| // process, and returns the index for the next option. |
| int |
| process_one_option(int argc, char** argv, int i, bool* no_more_options); |
| |
| // Handle a -l option. |
| int |
| process_l_option(int, char**, char*, bool); |
| |
| // Handle a -R option when it means --rpath. |
| void |
| add_to_rpath(const char* arg) |
| { this->options_.add_to_rpath(arg); } |
| |
| // Add a file for which we just read the symbols. |
| void |
| add_just_symbols_file(const char* arg) |
| { |
| this->inputs_.add_file(Input_file_argument(arg, false, "", true, |
| this->position_options_)); |
| } |
| |
| // Handle a --start-group option. |
| void |
| start_group(const char* arg); |
| |
| // Handle a --end-group option. |
| void |
| end_group(const char* arg); |
| |
| // Get an option argument--a helper function for special processing. |
| const char* |
| get_special_argument(const char* longname, int argc, char** argv, |
| const char* arg, bool long_option, |
| int *pret); |
| |
| // Get the general options. |
| const General_options& |
| options() const |
| { return this->options_; } |
| |
| // Get the position dependent options. |
| const Position_dependent_options& |
| position_dependent_options() const |
| { return this->position_options_; } |
| |
| // Get the options which may be set from a linker script. |
| Script_options* |
| script_options() |
| { return this->options_.script_options(); } |
| |
| const Script_options* |
| script_options() const |
| { return this->options_.script_options(); } |
| |
| // The number of input files. |
| int |
| number_of_input_files() const |
| { return this->inputs_.size(); } |
| |
| // Iterators to iterate over the list of input files. |
| |
| const_iterator |
| begin() const |
| { return this->inputs_.begin(); } |
| |
| const_iterator |
| end() const |
| { return this->inputs_.end(); } |
| |
| private: |
| Command_line(const Command_line&); |
| Command_line& operator=(const Command_line&); |
| |
| // Report usage error. |
| void |
| usage() ATTRIBUTE_NORETURN; |
| void |
| usage(const char* msg, const char* opt) ATTRIBUTE_NORETURN; |
| void |
| usage(const char* msg, char opt) ATTRIBUTE_NORETURN; |
| |
| // Apply a command line option. |
| void |
| apply_option(const gold::options::One_option&, const char*); |
| |
| // Add a file. |
| void |
| add_file(const char* name, bool is_lib); |
| |
| // Examine the result of processing the command-line, and verify |
| // the flags do not contradict each other or are otherwise illegal. |
| void |
| normalize_options(); |
| |
| General_options options_; |
| Position_dependent_options position_options_; |
| Input_arguments inputs_; |
| }; |
| |
| } // End namespace gold. |
| |
| #endif // !defined(GOLD_OPTIONS_H) |