0ce398f106
This patch adds --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi]
to ld for ELF targets to support generating compressed DWARF debug
sections. We always generate .zdebug_* section since section names have
been finalized and they can't be changed easily when compression is
being performed.
bfd/
* bfd-in.h (compressed_debug_section_type): New.
* compress.c (bfd_compress_section_contents): Add an argument
for linker write compression and always generate .zdebug_*
section when linking.
(bfd_init_section_compress_status): Pass FALSE to
bfd_compress_section_contents.
(bfd_compress_section): New function.
* elf.c (elf_fake_sections): For linking, set SEC_ELF_COMPRESS
on DWARF debug sections if COMPRESS_DEBUG is set and rename
section if COMPRESS_DEBUG_GABI_ZLIB isn't set.
(assign_file_positions_for_non_load_sections): Set sh_offset
to -1 if SEC_ELF_COMPRESS is set.
(assign_file_positions_except_relocs): Likwise.
(_bfd_elf_assign_file_positions_for_relocs): Renamed to ...
(_bfd_elf_assign_file_positions_for_non_load): This. Change
return time to bfd_boolean. Compress the section if
SEC_ELF_COMPRESS is set.
(_bfd_elf_write_object_contents): Updated.
(_bfd_elf_set_section_contents): Write section contents to
the buffer if SEC_ELF_COMPRESS is set.
* merge.c: Include "elf-bfd.h".
(sec_merge_emit): Add arguments for contents and offset. Write
to contents with offset if contents isn't NULL.
(_bfd_write_merged_section): Write section contents to the
buffer if SEC_ELF_COMPRESS is set. Pass contents and
output_offset to sec_merge_emit.
* elflink.c (bfd_elf_final_link): Allocate the buffer for
output section contents if SEC_ELF_COMPRESS is set.
* section.c (SEC_ELF_COMPRESS): New.
* bfd-in2.h: Regenerated.
gas/
* as.h (compressed_debug_section_type): Removed.
include/
* bfdlink.h (bfd_link_info): Add compress_debug.
ld/
* ld.texinfo: Document --compress-debug-sections=.
* ldmain.c (main): Set BFD_COMPRESS on output_bfd if
COMPRESS_DEBUG is set. Set BFD_COMPRESS_GABI on output_bfd
for COMPRESS_DEBUG_GABI_ZLIB.
* lexsup.c (elf_static_list_options): Add
--compress-debug-sections=.
* emultempl/elf32.em (OPTION_COMPRESS_DEBUG): New.
(xtra_long): Add "compress-debug-sections".
(gld${EMULATION_NAME}_handle_option): Handle
OPTION_COMPRESS_DEBUG.
ld/testsuite/
* ld-elf/compress.exp (build_tests): Add tests for
--compress-debug-sections=.
(run_tests): Likewise.
Add additonal tests for --compress-debug-sections=.
* ld-elf/gabiend.rt: New file.
* ld-elf/gabinormal.rt: Likewise.
* ld-elf/gnubegin.rS: Likewise.
* ld-elf/gnunormal.rS: Likewise.
* ld-elf/zlibbegin.rS: Likewise.
* ld-elf/zlibnormal.rS: Likewise.
246 lines
9.3 KiB
Text
246 lines
9.3 KiB
Text
# Expect script for ELF compressed debug section tests.
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# Copyright (C) 2010-2015 Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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# Exclude non-ELF targets.
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if ![is_elf_format] {
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return
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}
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# The following tests require running the executable generated by ld.
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if ![isnative] {
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return
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}
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# Check if compiler works
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if { [which $CC] == 0 } {
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return
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}
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global as
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if { ![ld_assemble $as "--compress-debug-sections $srcdir/$subdir/empty.s" tmpdir/empty.o ] } {
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fail "linker compressed debug sections"
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}
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if { ![ld_assemble $as "--compress-debug-sections=zlib-gabi $srcdir/$subdir/empty.s" tmpdir/emptyzlib.o ] } {
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fail "linker compressed debug sections"
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}
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set build_tests {
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{"Build libfoo.so with compressed debug sections"
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"-shared" "-fPIC -g -Wa,--compress-debug-sections"
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{foo.c} {} "libfoo.so"}
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{"Build libbar.so with compressed debug sections"
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"-shared -Wl,--compress-debug-sections=none"
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"-fPIC -g -Wa,--compress-debug-sections"
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{begin.c end.c} {} "libbar.so"}
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{"Build libfoozlib.so with compressed debug sections with zlib-gabi"
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"-shared" "-fPIC -g -Wa,--compress-debug-sections=zlib-gabi"
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{foo.c} {} "libfoozlib.so"}
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{"Build libbarzlib.so with compressed debug sections with zlib-gabi"
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"-shared" "-fPIC -g -Wa,--compress-debug-sections=zlib-gabi"
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{begin.c end.c} {} "libbarzlib.so"}
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{"Build libzlibfoo.so with zlib compressed debug sections"
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"-shared -Wl,--compress-debug-sections=zlib"
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"-fPIC -g -Wa,--compress-debug-sections=zlib"
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{foo.c} {} "libzlibfoo.so"}
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{"Build libgnufoo.so with zlib-gnu compressed debug sections"
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"-shared -Wl,--compress-debug-sections=zlib-gnu"
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"-fPIC -g -Wa,--compress-debug-sections=zlib-gnu"
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{foo.c} {} "libgnufoo.so"}
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{"Build libgabifoo.so with zlib-gabi compressed debug sections"
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"-shared -Wl,--compress-debug-sections=zlib-gabi"
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"-fPIC -g -Wa,--compress-debug-sections=zlib-gabi"
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{foo.c} {} "libgabifoo.so"}
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{"Build zlibbegin.o with zlib compressed debug sections"
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"-r -nostdlib -Wl,--compress-debug-sections=zlib"
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"-g -Wa,--compress-debug-sections=zlib"
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{begin.c} {} "zlibbegin.o"}
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{"Build gnubegin.o with zlib-gnu compressed debug sections"
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"-r -nostdlib -Wl,--compress-debug-sections=zlib-gnu"
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"-g -Wa,--compress-debug-sections=zlib-gnu"
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{begin.c} {} "gnubegin.o"}
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{"Build gabiend.o with zlib-gabi compressed debug sections"
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"-r -nostdlib -Wl,--compress-debug-sections=zlib-gabi"
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"-g -Wa,--compress-debug-sections=zlib-gnu"
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{end.c} {} "gabiend.o"}
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}
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set run_tests {
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{"Run normal with libfoo.so with compressed debug sections"
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"tmpdir/begin.o tmpdir/libfoo.so tmpdir/end.o" ""
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{main.c} "normal" "normal.out" "-Wa,--compress-debug-sections"}
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{"Run normal with libfoo.so with compressed debug sections with zlib-gabi"
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"tmpdir/begin.o tmpdir/libfoozlib.so tmpdir/end.o" ""
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{main.c} "normal" "normal.out" "-Wa,--compress-debug-sections=zlib-gabi"}
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{"Run zlibnormal with libzlibfoo.so with zlib compressed debug sections"
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"tmpdir/begin.o tmpdir/libzlibfoo.so tmpdir/end.o --compress-debug-sections=zlib" ""
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{main.c} "zlibnormal" "normal.out" "-Wa,--compress-debug-sections=zlib"}
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{"Run gnunormal with libgnufoo.so with zlib-gnu compressed debug sections"
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"tmpdir/gnubegin.o tmpdir/libgnufoo.so tmpdir/end.o --compress-debug-sections=zlib-gnu" ""
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{main.c} "gnunormal" "normal.out" "-Wa,--compress-debug-sections=zlib-gnu"}
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{"Run gabinormal with libgabifoo.so with zlib-gabi compressed debug sections"
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"tmpdir/zlibbegin.o tmpdir/libgabifoo.so tmpdir/gabiend.o --compress-debug-sections=zlib-gabi" ""
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{main.c} "gabinormal" "normal.out" "-Wa,--compress-debug-sections=zlib-gabi"}
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}
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run_cc_link_tests $build_tests
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run_ld_link_exec_tests [] $run_tests
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set test_name "Link with zlib-gabi compressed debug input"
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send_log "cmp tmpdir/libfoo.so tmpdir/libfoozlib.so\n"
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if { [catch {exec cmp tmpdir/libfoo.so tmpdir/libfoozlib.so}] } then {
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send_log "tmpdir/libfoo.so tmpdir/libfoozlib.so differ.\n"
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fail "$test_name"
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} else {
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pass "$test_name"
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}
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global READELF
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set test_name "Link -r with zlib compressed debug output"
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set test zlibbegin
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send_log "$READELF -S -W tmpdir/$test.o > tmpdir/$test.out\n"
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set got [remote_exec host "$READELF -S -W tmpdir/$test.o" "" "/dev/null" "tmpdir/$test.out"]
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if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
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send_log "$got\n"
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unresolved "$test_name"
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}
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if { [regexp_diff tmpdir/$test.out $srcdir/$subdir/$test.rS] } then {
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fail "$test_name"
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} else {
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pass "$test_name"
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}
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set test_name "Link -r with zlib-gnu compressed debug output"
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set test gnubegin
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send_log "$READELF -S -W tmpdir/$test.o > tmpdir/$test.out\n"
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set got [remote_exec host "$READELF -S -W tmpdir/$test.o" "" "/dev/null" "tmpdir/$test.out"]
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if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
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send_log "$got\n"
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unresolved "$test_name"
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}
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if { [regexp_diff tmpdir/$test.out $srcdir/$subdir/$test.rS] } then {
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fail "$test_name"
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} else {
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pass "$test_name"
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}
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set test_name "Link -r with zlib-gabi compressed debug output"
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set test gabiend
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send_log "$READELF -t -W tmpdir/$test.o > tmpdir/$test.out\n"
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set got [remote_exec host "$READELF -t -W tmpdir/$test.o" "" "/dev/null" "tmpdir/$test.out"]
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if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
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send_log "$got\n"
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unresolved "$test_name"
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}
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if { [regexp_diff tmpdir/$test.out $srcdir/$subdir/$test.rt] } then {
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fail "$test_name"
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} else {
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pass "$test_name"
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}
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set test_name "Link with zlib compressed debug output"
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set test normal
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send_log "$READELF -w tmpdir/$test > tmpdir/$test.out\n"
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set got [remote_exec host "$READELF -w tmpdir/$test" "" "/dev/null" "tmpdir/$test.out"]
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if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
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send_log "$got\n"
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unresolved "$test_name"
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}
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set test_name "Link with zlib compressed debug output"
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set test zlibnormal
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send_log "$READELF -w tmpdir/$test | sed -e \"s/.zdebug_/.debug_/\" > tmpdir/$test.out\n"
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set got [remote_exec host "$READELF -w tmpdir/$test | sed -e \"s/.zdebug_/.debug_/\"" "" "/dev/null" "tmpdir/$test.out"]
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if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
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send_log "$got\n"
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unresolved "$test_name"
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}
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if { [catch {exec cmp tmpdir/normal.out tmpdir/$test.out}] } then {
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send_log "tmpdir/normal.out tmpdir/$test.out differ.\n"
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fail "$test_name"
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} else {
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pass "$test_name"
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}
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send_log "$READELF -S -W tmpdir/$test' > tmpdir/$test.out\n"
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set got [remote_exec host "$READELF -S -W tmpdir/$test" "" "/dev/null" "tmpdir/$test.out"]
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if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
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send_log "$got\n"
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unresolved "$test_name"
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}
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if { [regexp_diff tmpdir/$test.out $srcdir/$subdir/$test.rS] } then {
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fail "$test_name"
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} else {
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pass "$test_name"
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}
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set test_name "Link with zlib-gnu compressed debug output"
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set test gnunormal
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send_log "$READELF -w tmpdir/$test | sed -e \"s/.zdebug_/.debug_/\" > tmpdir/$test.out\n"
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set got [remote_exec host "$READELF -w tmpdir/$test | sed -e \"s/.zdebug_/.debug_/\"" "" "/dev/null" "tmpdir/$test.out"]
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if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
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send_log "$got\n"
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unresolved "$test_name"
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}
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if { [catch {exec cmp tmpdir/normal.out tmpdir/$test.out}] } then {
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send_log "tmpdir/normal.out tmpdir/$test.out differ.\n"
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fail "$test_name"
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} else {
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pass "$test_name"
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}
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send_log "$READELF -S -W tmpdir/$test' > tmpdir/$test.out\n"
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set got [remote_exec host "$READELF -S -W tmpdir/$test" "" "/dev/null" "tmpdir/$test.out"]
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if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
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send_log "$got\n"
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unresolved "$test_name"
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}
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if { [regexp_diff tmpdir/$test.out $srcdir/$subdir/$test.rS] } then {
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fail "$test_name"
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} else {
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pass "$test_name"
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}
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set test gabinormal
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set test_name "Link with zlib-gabi compressed debug output"
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send_log "$READELF -w tmpdir/$test > tmpdir/$test.out\n"
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set got [remote_exec host "$READELF -w tmpdir/$test" "" "/dev/null" "tmpdir/$test.out"]
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if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
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send_log "$got\n"
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unresolved "$test_name"
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}
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if { [catch {exec cmp tmpdir/normal.out tmpdir/$test.out}] } then {
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send_log "tmpdir/normal.out tmpdir/$test.out differ.\n"
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fail "$test_name"
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} else {
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pass "$test_name"
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}
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send_log "$READELF -t -W tmpdir/$test > tmpdir/$test.out\n"
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set got [remote_exec host "$READELF -t -W tmpdir/$test" "" "/dev/null" "tmpdir/$test.out"]
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if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
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send_log "$got\n"
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unresolved "$test_name"
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}
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if { [regexp_diff tmpdir/$test.out $srcdir/$subdir/$test.rt] } then {
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fail "$test_name"
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} else {
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pass "$test_name"
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}
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