src/gold ChangeLog i386.cc layout.cc layout.h ...

[ian at sourceware dot org]

CVSROOT:	/cvs/src
Module name:	src
Changes by:	ian@sourceware.org	2008-05-20 04:00:47

Modified files:
	gold           : ChangeLog i386.cc layout.cc layout.h options.h 
	                 output.cc output.h sparc.cc x86_64.cc 
	gold/testsuite : Makefile.am Makefile.in 
Added files:
	gold/testsuite : relro_test.cc relro_test_main.cc 

Log message:
	* options.h (class General_options): Add -z relro.
	* layout.cc (Layout::Layout): Initialize relro_segment_.
	(Layout::add_output_section_data): Return the output section.
	(Layout::make_output_section): Rcognize relro sections and mark
	them appropriately.
	(Layout::attach_allocated_section_to_segment): Put relro sections
	in a PT_GNU_RELRO segment.
	(Layout::create_initial_dynamic_sections): Mark the .dynamic
	section as relro.
	(Layout::segment_precedes): Sort PT_GNU_RELRO segments after
	PT_TLS segments.
	(Layout::linkonce_mapping): Map d.rel.ro.local to
	.data.rel.ro.local.
	(Layout::output_section_name): Us .data.rel.ro.local for any
	section which begins with that.
	* layout.h (class Layout): Update add_output_section_data
	declaration.  Add relro_segment_ field.
	* output.cc (Output_section::Output_section): Initialize is_relro_
	and is_relro_local_ fields.
	(Output_segment::add_output_section): Group relro sections.
	(Output_segment::is_first_section_relro): New function.
	(Output_segment::maximum_alignment): If there is a relro section,
	align the segment to the common page size.
	(Output_segment::set_section_addresses): Track whether we are
	looking at relro sections.  If the last section is a relro
	section, align to the common page size.
	(Output_segment::set_section_list_addresses): Add in_relro
	parameter.  Change all callers.  Align to the page size when
	moving from relro to non-relro section.
	(Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
	segment.
	* output.h (class Output_section): Add is_relro_ and
	is_relro_local_ fields.
	(Output_section::is_relro): New function.
	(Output_section::set_is_relro): New function.
	(Output_section::is_relro_local): New function.
	(Output_section::set_is_relro_local): New function.
	(class Output_segment): Update declarations.
	* i386.cc (Target_i386::got_section): Mark .got section as relro.
	* sparc.cc (Target_sparc::got_section): Likewise.
	* x86_64.cc (Target_x86_64::got_section): Likewise.
	* testsuite/relro_test_main.cc: New file.
	* testsuite/relro_test.cc: New file.
	* testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
	(relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
	(relro_test_LDFLAGS, relro_test_LDADD): New variables.
	(relro_test.so, relro_test_pic.o): New targets.
	* testsuite/Makefile.in: Rebuild.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/ChangeLog.diff?cvsroot=src&r1=1.85&r2=1.86
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/i386.cc.diff?cvsroot=src&r1=1.75&r2=1.76
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/layout.cc.diff?cvsroot=src&r1=1.103&r2=1.104
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/layout.h.diff?cvsroot=src&r1=1.57&r2=1.58
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/options.h.diff?cvsroot=src&r1=1.77&r2=1.78
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/output.cc.diff?cvsroot=src&r1=1.77&r2=1.78
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/output.h.diff?cvsroot=src&r1=1.70&r2=1.71
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/sparc.cc.diff?cvsroot=src&r1=1.6&r2=1.7
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/x86_64.cc.diff?cvsroot=src&r1=1.68&r2=1.69
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/testsuite/relro_test.cc.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/testsuite/relro_test_main.cc.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/testsuite/Makefile.am.diff?cvsroot=src&r1=1.69&r2=1.70
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/testsuite/Makefile.in.diff?cvsroot=src&r1=1.73&r2=1.74