// gold.cc -- main linker functions
-// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012
+// Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
// This class arranges the tasks to process the relocs for garbage collection.
-class Gc_runner : public Task_function_runner
+class Gc_runner : public Task_function_runner
{
public:
Gc_runner(const General_options& options,
void
Gc_runner::run(Workqueue* workqueue, const Task* task)
{
- queue_middle_gc_tasks(this->options_, task, this->input_objects_,
- this->symtab_, this->layout_, workqueue,
- this->mapfile_);
+ queue_middle_gc_tasks(this->options_, task, this->input_objects_,
+ this->symtab_, this->layout_, workqueue,
+ this->mapfile_);
}
// Queue up the initial set of tasks for this link job.
{
workqueue->queue(new Task_function(new Gc_runner(options,
input_objects,
- symtab,
- layout,
- mapfile),
- this_blocker,
- "Task_function Gc_runner"));
+ symtab,
+ layout,
+ mapfile),
+ this_blocker,
+ "Task_function Gc_runner"));
}
else
{
workqueue->queue(new Task_function(new Middle_runner(options,
- input_objects,
- symtab,
- layout,
- mapfile),
- this_blocker,
- "Task_function Middle_runner"));
+ input_objects,
+ symtab,
+ layout,
+ mapfile),
+ this_blocker,
+ "Task_function Middle_runner"));
}
}
}
workqueue->queue(new Task_function(new Middle_runner(options,
- input_objects,
- symtab,
- layout,
- mapfile),
- this_blocker,
- "Task_function Middle_runner"));
+ input_objects,
+ symtab,
+ layout,
+ mapfile),
+ this_blocker,
+ "Task_function Middle_runner"));
}
// Queue up the middle set of tasks. These are the tasks which run
symtab->add_undefined_symbols_from_command_line(layout);
// If garbage collection was chosen, relocs have been read and processed
- // at this point by pre_middle_tasks. Layout can then be done for all
+ // at this point by pre_middle_tasks. Layout can then be done for all
// objects.
if (parameters->options().gc_sections())
{
// Find the start symbol if any.
Symbol* start_sym = symtab->lookup(parameters->entry());
if (start_sym != NULL)
- {
- bool is_ordinary;
- unsigned int shndx = start_sym->shndx(&is_ordinary);
- if (is_ordinary)
- {
- symtab->gc()->worklist().push(
- Section_id(start_sym->object(), shndx));
- }
- }
+ {
+ bool is_ordinary;
+ unsigned int shndx = start_sym->shndx(&is_ordinary);
+ if (is_ordinary)
+ {
+ symtab->gc()->worklist().push(
+ Section_id(start_sym->object(), shndx));
+ }
+ }
// Symbols named with -u should not be considered garbage.
symtab->gc_mark_undef_symbols(layout);
gold_assert(symtab->gc() != NULL);
symtab->gc()->do_transitive_closure();
}
- // If identical code folding (--icf) is chosen it makes sense to do it
- // only after garbage collection (--gc-sections) as we do not want to
+ // If identical code folding (--icf) is chosen it makes sense to do it
+ // only after garbage collection (--gc-sections) as we do not want to
// be folding sections that will be garbage.
if (parameters->options().icf_enabled())
{
symtab->icf()->find_identical_sections(input_objects, symtab);
}
- // Call Object::layout for the second time to determine the
- // output_sections for all referenced input sections. When
- // --gc-sections or --icf is turned on, Object::layout is
- // called twice. It is called the first time when the
+ // Call Object::layout for the second time to determine the
+ // output_sections for all referenced input sections. When
+ // --gc-sections or --icf is turned on, Object::layout is
+ // called twice. It is called the first time when the
// symbols are added.
if (parameters->options().gc_sections()
|| parameters->options().icf_enabled())
{
for (Input_objects::Relobj_iterator p = input_objects->relobj_begin();
- p != input_objects->relobj_end();
- ++p)
- {
- Task_lock_obj<Object> tlo(task, *p);
- (*p)->layout(symtab, layout, NULL);
- }
+ p != input_objects->relobj_end();
+ ++p)
+ {
+ Task_lock_obj<Object> tlo(task, *p);
+ (*p)->layout(symtab, layout, NULL);
+ }
}
/* If plugins have specified a section order, re-arrange input sections
{
for (Layout::Section_list::const_iterator p
= layout->section_list().begin();
- p != layout->section_list().end();
- ++p)
- (*p)->update_section_layout(layout->get_section_order_map());
+ p != layout->section_list().end();
+ ++p)
+ (*p)->update_section_layout(layout->get_section_order_map());
}
// Layout deferred objects due to plugins.
Plugin_manager* plugins = parameters->options().plugins();
gold_assert(plugins != NULL);
plugins->layout_deferred_objects();
- }
+ }
if (parameters->options().gc_sections()
|| parameters->options().icf_enabled())
{
for (Input_objects::Relobj_iterator p = input_objects->relobj_begin();
- p != input_objects->relobj_end();
- ++p)
- {
- // Update the value of output_section stored in rd.
- Read_relocs_data* rd = (*p)->get_relocs_data();
- for (Read_relocs_data::Relocs_list::iterator q = rd->relocs.begin();
- q != rd->relocs.end();
- ++q)
- {
- q->output_section = (*p)->output_section(q->data_shndx);
- q->needs_special_offset_handling =
- (*p)->is_output_section_offset_invalid(q->data_shndx);
- }
- }
+ p != input_objects->relobj_end();
+ ++p)
+ {
+ // Update the value of output_section stored in rd.
+ Read_relocs_data* rd = (*p)->get_relocs_data();
+ for (Read_relocs_data::Relocs_list::iterator q = rd->relocs.begin();
+ q != rd->relocs.end();
+ ++q)
+ {
+ q->output_section = (*p)->output_section(q->data_shndx);
+ q->needs_special_offset_handling =
+ (*p)->is_output_section_offset_invalid(q->data_shndx);
+ }
+ }
}
// We have to support the case of not seeing any input objects, and
// Define symbols from any linker scripts.
layout->define_script_symbols(symtab);
- // Attach sections to segments.
- layout->attach_sections_to_segments();
-
// TODO(csilvers): figure out a more principled way to get the target
Target* target = const_cast<Target*>(¶meters->target());
+
+ // Attach sections to segments.
+ layout->attach_sections_to_segments(target);
+
if (!parameters->options().relocatable())
{
// Predefine standard symbols.
|| parameters->options().icf_enabled())
{
for (Input_objects::Relobj_iterator p = input_objects->relobj_begin();
- p != input_objects->relobj_end();
- ++p)
+ p != input_objects->relobj_end();
+ ++p)
{
Task_token* next_blocker = new Task_token(true);
next_blocker->add_blocker();
- workqueue->queue(new Scan_relocs(symtab, layout, *p,
+ workqueue->queue(new Scan_relocs(symtab, layout, *p,
(*p)->get_relocs_data(),
this_blocker, next_blocker));
this_blocker = next_blocker;
// some of the sections, and thus change our minds about the types
// of references made to the symbols.
for (Input_objects::Relobj_iterator p = input_objects->relobj_begin();
- p != input_objects->relobj_end();
- ++p)
- {
+ p != input_objects->relobj_end();
+ ++p)
+ {
Task_token* next_blocker = new Task_token(true);
next_blocker->add_blocker();
- workqueue->queue(new Read_relocs(symtab, layout, *p, this_blocker,
+ workqueue->queue(new Read_relocs(symtab, layout, *p, this_blocker,
next_blocker));
this_blocker = next_blocker;
- }
+ }
}
if (this_blocker == NULL)
// blocker here so that we can run the layout task immediately.
this_blocker = new Task_token(true);
}
- else
+ else
{
// If we failed to open any input files, it's possible for
// THIS_BLOCKER to be NULL here. There's no real point in
workqueue->queue(new Task_function(new Layout_task_runner(options,
input_objects,
symtab,
- target,
+ target,
layout,
mapfile),
this_blocker,
projects / thirdparty / binutils-gdb.git / blobdiff