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2010-02-01 Doug Kwan <dougkwan@google.com> 

* arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
	first_output_text_section_.
	(Arm_exidx_fixup::first_output_text_section): New method definition.
	(Arm_exidx_fixup::first_output_text_section_): New data member.
	(Arm_exidx_fixup::process_exidx_section): Record the first text
	output section seen.
	(Arm_output_section::fix_exidx_coverage): Set correct linked section
	and entsize in output section header.
This commit is contained in:
Doug Kwan 2010-02-02 00:25:57 +00:00
parent 54c4e2c2dc
commit 546c74577f
2 changed files with 37 additions and 1 deletions
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11
gold/ChangeLog
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@ -1,3 +1,14 @@
2010-02-01 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
first_output_text_section_.
(Arm_exidx_fixup::first_output_text_section): New method definition.
(Arm_exidx_fixup::first_output_text_section_): New data member.
(Arm_exidx_fixup::process_exidx_section): Record the first text
output section seen.
(Arm_output_section::fix_exidx_coverage): Set correct linked section
and entsize in output section header.
2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
* gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,

27
gold/arm.cc
View File

@ -1210,7 +1210,7 @@ class Arm_exidx_fixup
Arm_exidx_fixup(Output_section* exidx_output_section)
: exidx_output_section_(exidx_output_section), last_unwind_type_(UT_NONE),
last_inlined_entry_(0), last_input_section_(NULL),
section_offset_map_(NULL)
section_offset_map_(NULL), first_output_text_section_(NULL)
{ }
~Arm_exidx_fixup()
@ -1231,6 +1231,12 @@ class Arm_exidx_fixup
void
add_exidx_cantunwind_as_needed();
// Return the output section for the text section which is linked to the
// first exidx input in output.
Output_section*
first_output_text_section() const
{ return this->first_output_text_section_; }
private:
// Copying is not allowed.
Arm_exidx_fixup(const Arm_exidx_fixup&);
@ -1273,6 +1279,9 @@ class Arm_exidx_fixup
const Arm_exidx_input_section* last_input_section_;
// Section offset map created in process_exidx_section.
Arm_exidx_section_offset_map* section_offset_map_;
// Output section for the text section which is linked to the first exidx
// input in output.
Output_section* first_output_text_section_;
};
// Arm output section class. This is defined mainly to add a number of
@ -5159,6 +5168,17 @@ Arm_exidx_fixup::process_exidx_section(
this->section_offset_map_ = NULL;
this->last_input_section_ = exidx_input_section;
// Set the first output text section so that we can link the EXIDX output
// section to it. Ignore any EXIDX input section that is completely merged.
if (this->first_output_text_section_ == NULL
&& deleted_bytes != section_size)
{
unsigned int link = exidx_input_section->link();
Output_section* os = relobj->output_section(link);
gold_assert(os != NULL);
this->first_output_text_section_ = os;
}
return deleted_bytes;
}
@ -5547,6 +5567,11 @@ Arm_output_section<big_endian>::fix_exidx_coverage(
}
}
// Link exidx output section to the first seen output section and
// set correct entry size.
this->set_link_section(exidx_fixup.first_output_text_section());
this->set_entsize(8);
// Make changes permanent.
this->save_states();
this->set_section_offsets_need_adjustment();