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PR 11712

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* layout.cc (relaxation_loop_body): If address of load segment is
	set, adjust address to include headers if possible.
This commit is contained in:
Ian Lance Taylor
2010-08-03 15:05:05 +00:00
parent 7af0c62018
commit 1e3811b0c6
2 changed files with 34 additions and 4 deletions
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6
gold/ChangeLog
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@ -1,3 +1,9 @@
2010-08-03 Ian Lance Taylor <iant@google.com>
PR 11712
* layout.cc (relaxation_loop_body): If address of load segment is
set, adjust address to include headers if possible.
2010-08-03 Ian Lance Taylor <iant@google.com> 2010-08-03 Ian Lance Taylor <iant@google.com>
* version.cc (version_string): Bump to 1.10. * version.cc (version_string): Bump to 1.10.

32
gold/layout.cc
View File

@ -1655,17 +1655,41 @@ Layout::relaxation_loop_body(
|| this->script_options_->saw_sections_clause()); || this->script_options_->saw_sections_clause());
// If the address of the load segment we found has been set by // If the address of the load segment we found has been set by
// --section-start rather than by a script, then we don't want to // --section-start rather than by a script, then adjust the VMA and
// use it for the file and segment headers. // LMA downward if possible to include the file and section headers.
uint64_t header_gap = 0;
if (load_seg != NULL if (load_seg != NULL
&& load_seg->are_addresses_set() && load_seg->are_addresses_set()
&& !this->script_options_->saw_sections_clause()) && !this->script_options_->saw_sections_clause()
load_seg = NULL; && !parameters->options().relocatable())
{
file_header->finalize_data_size();
segment_headers->finalize_data_size();
size_t sizeof_headers = (file_header->data_size()
+ segment_headers->data_size());
const uint64_t abi_pagesize = target->abi_pagesize();
uint64_t hdr_paddr = load_seg->paddr() - sizeof_headers;
hdr_paddr &= ~(abi_pagesize - 1);
uint64_t subtract = load_seg->paddr() - hdr_paddr;
if (load_seg->paddr() < subtract || load_seg->vaddr() < subtract)
load_seg = NULL;
else
{
load_seg->set_addresses(load_seg->vaddr() - subtract,
load_seg->paddr() - subtract);
header_gap = subtract - sizeof_headers;
}
}
// Lay out the segment headers. // Lay out the segment headers.
if (!parameters->options().relocatable()) if (!parameters->options().relocatable())
{ {
gold_assert(segment_headers != NULL); gold_assert(segment_headers != NULL);
if (header_gap != 0 && load_seg != NULL)
{
Output_data_zero_fill* z = new Output_data_zero_fill(header_gap, 1);
load_seg->add_initial_output_data(z);
}
if (load_seg != NULL) if (load_seg != NULL)
load_seg->add_initial_output_data(segment_headers); load_seg->add_initial_output_data(segment_headers);
if (phdr_seg != NULL) if (phdr_seg != NULL)