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2009-10-16 Doug Kwan <dougkwan@google.com>

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* expression.cc (class Segment_start_expression): New class definition.
	(Segment_start_expression::value): New method definition.
	(script_exp_function_segment_start): Return a new
	Segment_start_expression.
	* gold/script-c.h (script_saw_segment_start_expression): New function
	prototype.
	* script-sections.cc (Script_sections::Script_sections): Initialize
	SAW_SEGMENT_START_EXPRESSION_ to false.
	(Script_sections::set_section_addresses): Use -Ttext, -Tdata
	and -Tbbs options to specify section addresses if given in
	command line and no SEGMENT_START expression is seen in a script.
	* script-sections.h (Script_sections::saw_segment_start_expression,
	Script_sections::set_saw_segment_start_expression): New method
	definition.
	(Script_sections::saw_segment_start_expression_): New data member
	declaration.
	* script.cc (script_saw_segment_start_expression): New function.
	* yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
	* testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
	script_test_7.sh and script_test_8.sh.
	(check_DATA): Add script_test_6.stdout, script_test_7.stdout and
	script_test_8.stdout.
	(MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
	(script_test_6, script_test_6.stdout, script_test_7,
	script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
	* Makefile.in: Regenerate.
	* testsuite/script_test_6.sh: New file.
	* testsuite/script_test_6.t: Same.
	* testsuite/script_test_7.sh: Same.
	* testsuite/script_test_7.t: Same.
	* testsuite/script_test_8.sh: Same.
This commit is contained in:
Doug Kwan
2009-10-16 18:56:07 +00:00
parent 64b1ae3731
commit 3c12dcdba0
14 changed files with 425 additions and 14 deletions
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13
gold/script-sections.h
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@@ -191,6 +191,17 @@ class Script_sections
void
release_segments();
// Whether we ever saw a SEGMENT_START expression, the presence of which
// changes the behaviour of -Ttext, -Tdata and -Tbss options.
bool
saw_segment_start_expression() const
{ return this->saw_segment_start_expression_; }
// Set the flag which indicates whether we saw a SEGMENT_START expression.
void
set_saw_segment_start_expression(bool value)
{ this->saw_segment_start_expression_ = value; }
// Print the contents to the FILE. This is for debugging.
void
print(FILE*) const;
@@ -253,6 +264,8 @@ class Script_sections
bool saw_data_segment_align_;
// Whether we have seen DATA_SEGMENT_RELRO_END.
bool saw_relro_end_;
// Whether we have seen SEGMENT_START.
bool saw_segment_start_expression_;
};
} // End namespace gold.