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15f8229bbf
(Read_symbols::requeue): New function. (Read_symbols::do_read_symbols): If make_elf_object fails because the target type is not configured, and the file was searched for, issue a warning and retry with the next directory. (Add_symbols::run): If the file has an incompatible format, and it was searched for, requeue the Read_symbols task. On error, release the object. * readsyms.h (class Read_symbols): Add dirindex_ field. Add dirindex parameter to constructor. Change all callers. Declare incompatible_warning and requeue. (class Add_symbols): Add dirpath_, dirindex_, mapfile_, input_argument_ and input_group_ fields. Add them to constructor. Change all callers. (class Read_script): Add dirindex_ field. Add it to constructor. Change all callers. * archive.cc (Archive::setup): Remove input_objects parameter. Change all callers. (Archive::get_file_and_offset): Likewise. (Archive::read_all_symbols): Likewise. (Archive::read_symbols): Likewise. (Archive::get_elf_object_for_member): Remove input_objects parameter. Add punconfigured parameter. Change all callers. (Archive::add_symbols): Change return type to bool. Check return value of include_member. (Archive::include_all_members): Likewise. (Archive::include_member): Change return type to bool. Return false if first included object has incompatible target. Set included_member_ field. (Add_archive_symbols::run): If add_symbols returns false, requeue Read_symbols task. * archive.h (class Archive): Add included_member_ field. Initialize it in constructor. Add input_file and searched_for methods. Update declarations. (class Add_archive_symbols): Add dirpath_, dirindex_, and input_argument_ fields. Add them to constructor. Change all callers. * script.cc: Include "target-select.h". (class Parser_closure): Add skip_on_incompatible_target_ and found_incompatible_target_ fields. Add skip_on_incompatible_target parameter to constructor. Change all callers. Add methods skip_on_incompatible_target, clear_skip_on_incompatible_target, found_incompatible_target, and set_found_incompatible_target. (read_input_script): Add dirindex parameter. Change all callers. If parser finds an incompatible target, requeue Read_symbols task. (script_set_symbol): Clear skip_on_incompatible_target in closure. (script_add_assertion, script_parse_option): Likewise. (script_start_sections, script_add_phdr): Likewise. (script_check_output_format): New function. * script.h (read_input_script): Update declaration. * script-c.h (script_check_output_format): Declare. * yyscript.y (file_cmd): Handle OUTPUT_FORMAT. (ignore_cmd): Remove OUTPUT_FORMAT. * fileread.cc (Input_file::Input_file): Add explicit this. (Input_file::will_search_for): New function. (Input_file::open): Add pindex parameter. Change all callers. * fileread.h (class Input_file): Add input_file_argument method. Declare will_search_for. Update declarations. * object.cc (make_elf_object): Add punconfigured parameter. Change all callers. * object.h (class Object): Make input_file public. Add searched_for method. (make_elf_object): Update declaration. * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to restart search. * dirsearch.h (class Dirsearch): Update declaration. * options.h (class General_options): Add --warn-search-mismatch. * parameters.cc (Parameters::is_compatible_target): New function. * parameters.h (class Parameters): Declare is_compatible_target. * workqueue.cc (Workqueue::add_blocker): New function. * workqueue.h (class Workqueue): Declare add_blocker.
177 lines
4.8 KiB
C++
177 lines
4.8 KiB
C++
// parameters.h -- general parameters for a link using gold -*- C++ -*-
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// Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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#ifndef GOLD_PARAMETERS_H
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#define GOLD_PARAMETERS_H
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namespace gold
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{
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class General_options;
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class Errors;
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class Target;
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// Here we define the Parameters class which simply holds simple
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// general parameters which apply to the entire link. We use a global
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// variable for this. The parameters class holds three types of data:
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// 1) An Errors struct. Any part of the code that wants to log an
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// error can use parameters->errors().
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// 2) A const General_options. These are the options as read on
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// the commandline.
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// 3) Target information, such as size and endian-ness. This is
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// available as soon as we've decided on the Target (after
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// parsing the first .o file).
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// 4) Whether we're doing a static link or not. This is set
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// after all inputs have been read and we know if any is a
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// dynamic library.
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class Parameters
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{
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public:
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Parameters()
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: errors_(NULL), options_(NULL), target_(NULL),
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doing_static_link_valid_(false), doing_static_link_(false),
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debug_(0)
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{ }
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// These should be called as soon as they are known.
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void
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set_errors(Errors* errors);
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void
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set_options(const General_options* options);
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void
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set_target(const Target* target);
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void
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set_doing_static_link(bool doing_static_link);
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// Return the error object.
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Errors*
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errors() const
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{ return this->errors_; }
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// Whether the options are valid. This should not normally be
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// called, but it is needed by gold_exit.
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bool
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options_valid() const
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{ return this->options_ != NULL; }
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// Return the options object.
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const General_options&
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options() const
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{
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gold_assert(this->options_valid());
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return *this->options_;
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}
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// Return whether the target field has been set.
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bool
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target_valid() const
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{ return this->target_ != NULL; }
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// The target of the output file we are generating.
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const Target&
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target() const
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{
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gold_assert(this->target_valid());
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return *this->target_;
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}
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// When we don't have an output file to associate a target, make a
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// default one, with guesses about size and endianness.
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const Target&
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default_target() const;
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// Return true if TARGET is compatible with the current target.
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bool
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is_compatible_target(const Target*) const;
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bool
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doing_static_link() const
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{
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gold_assert(this->doing_static_link_valid_);
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return this->doing_static_link_;
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}
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// This is just a copy of options().debug(). We make a copy so we
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// don't have to #include options.h in order to inline
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// is_debugging_enabled, below.
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int
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debug() const
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{
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// This can be called before the options are set up.
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if (!this->options_valid())
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return 0;
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return debug_;
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}
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// A convenience routine for combining size and endianness. It also
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// checks the HAVE_TARGET_FOO configure options and dies if the
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// current target's size/endianness is not supported according to
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// HAVE_TARGET_FOO. Otherwise it returns this enum
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enum Target_size_endianness
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{ TARGET_32_LITTLE, TARGET_32_BIG, TARGET_64_LITTLE, TARGET_64_BIG };
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Target_size_endianness
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size_and_endianness() const;
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private:
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Errors* errors_;
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const General_options* options_;
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const Target* target_;
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bool doing_static_link_valid_;
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bool doing_static_link_;
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int debug_;
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};
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// This is a global variable.
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extern const Parameters* parameters;
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// We use free functions for these since they affect a global variable
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// that is internal to parameters.cc.
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extern void
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set_parameters_errors(Errors* errors);
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extern void
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set_parameters_options(const General_options* options);
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extern void
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set_parameters_target(const Target* target);
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extern void
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set_parameters_doing_static_link(bool doing_static_link);
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// Return whether we are doing a particular debugging type. The
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// argument is one of the flags from debug.h.
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inline bool
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is_debugging_enabled(unsigned int type)
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{ return (parameters->debug() & type) != 0; }
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} // End namespace gold.
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#endif // !defined(GOLD_PARAMETERS_H)
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