Toolchain/binutils-gdb
1
0
Fork 0
forked from Imagelibrary/binutils-gdb
Code Pull Requests Activity

Support --oformat binary.

Browse Source
This commit is contained in:
Ian Lance Taylor
2008-02-07 07:33:46 +00:00
parent 1ef1f3d387
commit 516cb3d01e
7 changed files with 154 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
gold/layout.cc
View File

@@ -57,6 +57,8 @@ Layout_task_runner::run(Workqueue* workqueue, const Task* task)
// Now we know the final size of the output file and we know where
// each piece of information goes.
Output_file* of = new Output_file(parameters->output_file_name());
if (this->options_.output_format() != General_options::OUTPUT_FORMAT_ELF)
of->set_is_temporary();
of->open(file_size);
// Queue up the final set of tasks.
@@ -949,6 +951,9 @@ Layout::finalize(const Input_objects* input_objects, Symbol_table* symtab,
else
load_seg = this->find_first_load_seg();
if (this->options_.output_format() != General_options::OUTPUT_FORMAT_ELF)
load_seg = NULL;
gold_assert(phdr_seg == NULL || load_seg != NULL);
// Lay out the segment headers.
@@ -2486,6 +2491,55 @@ Layout::write_sections_after_input_sections(Output_file* of)
this->section_headers_->write(of);
}
// Write out a binary file. This is called after the link is
// complete. IN is the temporary output file we used to generate the
// ELF code. We simply walk through the segments, read them from
// their file offset in IN, and write them to their load address in
// the output file. FIXME: with a bit more work, we could support
// S-records and/or Intel hex format here.
void
Layout::write_binary(Output_file* in) const
{
gold_assert(this->options_.output_format()
== General_options::OUTPUT_FORMAT_BINARY);
// Get the size of the binary file.
uint64_t max_load_address = 0;
for (Segment_list::const_iterator p = this->segment_list_.begin();
p != this->segment_list_.end();
++p)
{
if ((*p)->type() == elfcpp::PT_LOAD && (*p)->filesz() > 0)
{
uint64_t max_paddr = (*p)->paddr() + (*p)->filesz();
if (max_paddr > max_load_address)
max_load_address = max_paddr;
}
}
Output_file out(parameters->output_file_name());
out.open(max_load_address);
for (Segment_list::const_iterator p = this->segment_list_.begin();
p != this->segment_list_.end();
++p)
{
if ((*p)->type() == elfcpp::PT_LOAD && (*p)->filesz() > 0)
{
const unsigned char* vin = in->get_input_view((*p)->offset(),
(*p)->filesz());
unsigned char* vout = out.get_output_view((*p)->paddr(),
(*p)->filesz());
memcpy(vout, vin, (*p)->filesz());
out.write_output_view((*p)->paddr(), (*p)->filesz(), vout);
in->free_input_view((*p)->offset(), (*p)->filesz(), vin);
}
}
out.close();
}
// Print statistical information to stderr. This is used for --stats.
void
@@ -2617,6 +2671,10 @@ Write_after_input_sections_task::run(Workqueue*)
void
Close_task_runner::run(Workqueue*, const Task*)
{
// If we've been asked to create a binary file, we do so here.
if (this->options_->output_format() != General_options::OUTPUT_FORMAT_ELF)
this->layout_->write_binary(this->of_);
this->of_->close();
}