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authorH.J. Lu <hjl.tools@gmail.com>2010-10-29 12:10:39 +0000
committerH.J. Lu <hjl.tools@gmail.com>2010-10-29 12:10:39 +0000
commit4a114e3e0c1c3337981179b774f1d6d1b06d201f (patch)
tree98b0b1e45b3ae0e7845215136253fa56e487a9b8 /ld/testsuite
parente58bcb8f099ec42b3c905480629d1a49dd38b03f (diff)
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Add compressed debug section support to binutils and ld.
bfd/ 2010-10-29 H.J. Lu <hongjiu.lu@intel.com> Cary Coutant <ccoutant@google.com> * archive.c (bfd_openr_next_archived_file): Copy BFD_COMPRESS and BFD_DECOMPRESS. * bfd.c (BFD_COMPRESS): New. (BFD_DECOMPRESS): Likewise. (BFD_FLAGS_SAVED): Likewise. (bfd_preserve_save): Replace BFD_IN_MEMORY with BFD_FLAGS_SAVED. * compress.c (bfd_uncompress_section_contents): Removed. (get_uncompressed_size): New. (decompress_contents): Likewise. (bfd_compress_section_contents): Likewise. (bfd_get_full_section_contents): Likewise. (bfd_is_section_compressed): Likewise. (bfd_init_section_decompress_status): Likewise. (bfd_init_section_compress_status): Likewise. * dwarf2.c (dwarf_debug_sections): New. (dwarf_debug_section_enum): Likewise. (read_section): Remove section_name and compressed_section_name. Add dwarf_debug_section_enum. Try compressed debug section. (read_indirect_string): Updated. (read_abbrevs): Likewise. (decode_line_info): Likewise. (read_debug_ranges): Likewise. (find_line): Updated. * ecoff.c (bfd_debug_section): Add compress_status and compressed_size. * elf.c (_bfd_elf_make_section_from_shdr): Call bfd_is_section_compressed to check if a DWARF debug section is compressed. Call bfd_init_section_compress_status or bfd_init_section_decompress_status if needed. * elflink.c (elf_link_input_bfd): Replace bfd_get_section_contents with bfd_get_full_section_contents. * merge.c (_bfd_add_merge_section): Likewise. * reloc.c (bfd_generic_get_relocated_section_contents): Likewise. * simple.c (bfd_simple_get_relocated_section_contents): Likewise. * elfxx-target.h (TARGET_BIG_SYM): Allow BFD_COMPRESS and BFD_DECOMPRESS. (TARGET_LITTLE_SYM): Likewise. * libbfd-in.h (dwarf_debug_section): New. (dwarf_debug_sections): Likewise. * libbfd.c (_bfd_generic_get_section_contents): Issue an error when getting contents on compressed/decompressed section. * section.c (COMPRESS_SECTION_NONE): New. (COMPRESS_SECTION_DONE): Likewise. (DECOMPRESS_SECTION_SIZED): Likewise. (BFD_FAKE_SECTION): Add compress_status and compressed_size. (bfd_malloc_and_get_section): Replace bfd_get_section_contents with bfd_get_full_section_contents. * bfd-in2.h: Regenerated. * libbfd.h: Likewise. binutils/ 2010-10-29 H.J. Lu <hongjiu.lu@intel.com> * addr2line.c (process_file): Set BFD_DECOMPRESS. * objcopy.c (do_debug_sections): New. (OPTION_COMPRESS_DEBUG_SECTIONS): New. (OPTION_DECOMPRESS_DEBUG_SECTIONS): Likewise. (copy_options): Add OPTION_COMPRESS_DEBUG_SECTIONS and OPTION_DECOMPRESS_DEBUG_SECTIONS. (copy_usage): Add --compress-debug-sections and --decompress-debug-sections. (copy_file): Set BFD_COMPRESS or BFD_DECOMPRESS. (copy_section): Replace bfd_get_section_contents with bfd_get_full_section_contents. (copy_main): Handle OPTION_COMPRESS_DEBUG_SECTIONS and OPTION_DECOMPRESS_DEBUG_SECTIONS. Check do_debug_sections to rename DWARF debug sections. * objdump.c (load_specific_debug_section): Replace bfd_get_section_contents with bfd_get_full_section_contents. Remove bfd_uncompress_section_contents. (dump_section): Replace bfd_get_section_contents with bfd_get_full_section_contents. (display_file): Set BFD_DECOMPRESS if needed. * readelf.c (uncompress_section_contents): Set buffer to NULL to indiate decompression failure. (load_specific_debug_section): Always call uncompress_section_contents. * doc/binutils.texi: Document --compress-debug-sections and --decompress-debug-sections. binutils/testsuite/ 2010-10-29 H.J. Lu <hongjiu.lu@intel.com> * binutils-all/compress.exp: New. * binutils-all/dw2-1.S: Likewise. * binutils-all/dw2-2.S: Likewise. * binutils-all/libdw2-compressed.out: Likewise. * binutils-all/libdw2.out: Likewise. gas/ 2010-10-29 H.J. Lu <hongjiu.lu@intel.com> * write.c (compress_debug): Optimize section flags check. gas/testsuite/ 2010-10-29 H.J. Lu <hongjiu.lu@intel.com> * elf/dwarf2-1.s: Replace .zdebug_abbrev section with .debug_abbrev section. * elf/dwarf2-2.3: Likewise. * elf/dwarf2-1.d: Pass --compress-debug-sections to assembler. Updated. * elf/dwarf2-2.d: Likewise. * gas/i386/i386.exp: Remove xfail on dw2-compress-2 and x86-64-dw2-compress-2. ld/ 2010-10-29 H.J. Lu <hongjiu.lu@intel.com> * ldfile.c (ldfile_try_open_bfd): Set BFD_DECOMPRESS after bfd_openr returns. * emultempl/elf32.em (gld${EMULATION_NAME}_try_needed): Likewise. * scripttempl/elf.sc: Include compressed DWARF debug sections. ld/testsuite/ 2010-10-29 H.J. Lu <hongjiu.lu@intel.com> * ld-elf/compress.exp: New. * ld-elf/compress1.s: Likewise. * ld-elf/compress1a.d: Likewise. * ld-elf/compress1b.d: Likewise. * ld-elf/compress1c.d: Likewise.
Diffstat (limited to 'ld/testsuite')
-rw-r--r--ld/testsuite/ChangeLog8
-rw-r--r--ld/testsuite/ld-elf/compress.exp59
-rw-r--r--ld/testsuite/ld-elf/compress1.s216
-rw-r--r--ld/testsuite/ld-elf/compress1a.d9
-rw-r--r--ld/testsuite/ld-elf/compress1b.d9
-rw-r--r--ld/testsuite/ld-elf/compress1c.d9
6 files changed, 310 insertions, 0 deletions
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 246deef..056be7f 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2010-10-29 H.J. Lu <hongjiu.lu@intel.com>
+
+ * ld-elf/compress.exp: New.
+ * ld-elf/compress1.s: Likewise.
+ * ld-elf/compress1a.d: Likewise.
+ * ld-elf/compress1b.d: Likewise.
+ * ld-elf/compress1c.d: Likewise.
+
2010-10-29 Bernd Schmidt <bernds@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
diff --git a/ld/testsuite/ld-elf/compress.exp b/ld/testsuite/ld-elf/compress.exp
new file mode 100644
index 0000000..1e13394
--- /dev/null
+++ b/ld/testsuite/ld-elf/compress.exp
@@ -0,0 +1,59 @@
+# Expect script for ELF compressed debug section tests.
+# Copyright 2010 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+
+# Exclude non-ELF targets.
+
+if ![is_elf_format] {
+ return
+}
+
+# The following tests require running the executable generated by ld.
+if ![isnative] {
+ return
+}
+
+# Check if compiler works
+if { [which $CC] == 0 } {
+ return
+}
+
+global as
+if { ![ld_assemble $as "--compress-debug-sections $srcdir/$subdir/empty.s" tmpdir/empty.o ] } {
+ unsupported "linker compressed debug sections"
+}
+
+set build_tests {
+ {"Build libfoo.so with compressed debug sections"
+ "-shared" "-fPIC -g -Wa,--compress-debug-sections"
+ {foo.c} {} "libfoo.so"}
+ {"Build libbar.so with compressed debug sections"
+ "-shared" "-fPIC -g -Wa,--compress-debug-sections"
+ {begin.c end.c} {} "libbar.so"}
+}
+
+set run_tests {
+ {"Run normal with libfoo.so with compressed debug sections"
+ "tmpdir/begin.o tmpdir/libfoo.so tmpdir/end.o" "-Wa,--compress-debug-sections"
+ {main.c} "normal" "normal.out"}
+}
+
+run_cc_link_tests $build_tests
+run_ld_link_exec_tests [] $run_tests
diff --git a/ld/testsuite/ld-elf/compress1.s b/ld/testsuite/ld-elf/compress1.s
new file mode 100644
index 0000000..8ef0a15
--- /dev/null
+++ b/ld/testsuite/ld-elf/compress1.s
@@ -0,0 +1,216 @@
+/* This testcase is derived from a similar test in GDB.
+
+ Copyright 2008, 2009, 2010 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Dummy function to provide debug information for. */
+
+ .text
+.Lbegin_text1:
+ .globl func_cu2
+ .type func_cu2, %function
+func_cu2:
+.Lbegin_func_cu2:
+ .int 0
+.Lend_func_cu2:
+ .size func_cu2, .-func_cu2
+.Lend_text1:
+
+/* Debug information */
+
+ .section .debug_info
+.Lcu1_begin:
+ /* CU header */
+ .4byte .Lcu1_end - .Lcu1_start /* Length of Compilation Unit */
+.Lcu1_start:
+ .2byte 2 /* DWARF Version */
+ .4byte .Labbrev1_begin /* Offset into abbrev section */
+ .byte 4 /* Pointer size */
+
+ /* CU die */
+ .uleb128 1 /* Abbrev: DW_TAG_compile_unit */
+ .4byte .Lline1_begin /* DW_AT_stmt_list */
+ .4byte .Lend_text1 /* DW_AT_high_pc */
+ .4byte .Lbegin_text1 /* DW_AT_low_pc */
+ .ascii "file1.txt\0" /* DW_AT_name */
+ .ascii "GNU C 3.3.3\0" /* DW_AT_producer */
+ .byte 1 /* DW_AT_language (C) */
+
+ /* func_cu2 */
+ .uleb128 2 /* Abbrev: DW_TAG_subprogram */
+ .byte 1 /* DW_AT_external */
+ .byte 1 /* DW_AT_decl_file */
+ .byte 2 /* DW_AT_decl_line */
+ .ascii "func_cu2\0" /* DW_AT_name */
+ .4byte .Ltype_int-.Lcu1_begin /* DW_AT_type */
+ .4byte .Lbegin_func_cu2 /* DW_AT_low_pc */
+ .4byte .Lend_func_cu2 /* DW_AT_high_pc */
+ .byte 1 /* DW_AT_frame_base: length */
+ .byte 0x55 /* DW_AT_frame_base: DW_OP_reg5 */
+
+.Ltype_int:
+ .uleb128 3 /* Abbrev: DW_TAG_base_type */
+ .ascii "int\0" /* DW_AT_name */
+ .byte 4 /* DW_AT_byte_size */
+ .byte 5 /* DW_AT_encoding */
+
+ .byte 0 /* End of children of CU */
+
+.Lcu1_end:
+
+/* Line table */
+ .section .debug_line
+.Lline1_begin:
+ .4byte .Lline1_end - .Lline1_start /* Initial length */
+.Lline1_start:
+ .2byte 2 /* Version */
+ .4byte .Lline1_lines - .Lline1_hdr /* header_length */
+.Lline1_hdr:
+ .byte 1 /* Minimum insn length */
+ .byte 1 /* default_is_stmt */
+ .byte 1 /* line_base */
+ .byte 1 /* line_range */
+ .byte 0x10 /* opcode_base */
+
+ /* Standard lengths */
+ .byte 0
+ .byte 1
+ .byte 1
+ .byte 1
+ .byte 1
+ .byte 0
+ .byte 0
+ .byte 0
+ .byte 1
+ .byte 0
+ .byte 0
+ .byte 1
+ .byte 0
+ .byte 0
+ .byte 0
+
+ /* Include directories */
+ .byte 0
+
+ /* File names */
+ .ascii "file1.txt\0"
+ .uleb128 0
+ .uleb128 0
+ .uleb128 0
+
+ .byte 0
+
+.Lline1_lines:
+ .byte 0 /* DW_LNE_set_address */
+ .uleb128 5
+ .byte 2
+ .4byte .Lbegin_func_cu2
+
+ .byte 3 /* DW_LNS_advance_line */
+ .sleb128 3 /* ... to 4 */
+
+ .byte 1 /* DW_LNS_copy */
+
+ .byte 1 /* DW_LNS_copy (second time as an end-of-prologue marker) */
+
+ .byte 0 /* DW_LNE_set_address */
+ .uleb128 5
+ .byte 2
+ .4byte .Lend_func_cu2
+
+ .byte 0 /* DW_LNE_end_of_sequence */
+ .uleb128 1
+ .byte 1
+
+.Lline1_end:
+
+/* Abbrev table */
+ .section .debug_abbrev
+.Labbrev1_begin:
+ .uleb128 1 /* Abbrev code */
+ .uleb128 0x11 /* DW_TAG_compile_unit */
+ .byte 1 /* has_children */
+ .uleb128 0x10 /* DW_AT_stmt_list */
+ .uleb128 0x6 /* DW_FORM_data4 */
+ .uleb128 0x12 /* DW_AT_high_pc */
+ .uleb128 0x1 /* DW_FORM_addr */
+ .uleb128 0x11 /* DW_AT_low_pc */
+ .uleb128 0x1 /* DW_FORM_addr */
+ .uleb128 0x3 /* DW_AT_name */
+ .uleb128 0x8 /* DW_FORM_string */
+ .uleb128 0x25 /* DW_AT_producer */
+ .uleb128 0x8 /* DW_FORM_string */
+ .uleb128 0x13 /* DW_AT_language */
+ .uleb128 0xb /* DW_FORM_data1 */
+ .byte 0x0 /* Terminator */
+ .byte 0x0 /* Terminator */
+
+ .uleb128 2 /* Abbrev code */
+ .uleb128 0x2e /* DW_TAG_subprogram */
+ .byte 0 /* has_children */
+ .uleb128 0x3f /* DW_AT_external */
+ .uleb128 0xc /* DW_FORM_flag */
+ .uleb128 0x3a /* DW_AT_decl_file */
+ .uleb128 0xb /* DW_FORM_data1 */
+ .uleb128 0x3b /* DW_AT_decl_line */
+ .uleb128 0xb /* DW_FORM_data1 */
+ .uleb128 0x3 /* DW_AT_name */
+ .uleb128 0x8 /* DW_FORM_string */
+ .uleb128 0x49 /* DW_AT_type */
+ .uleb128 0x13 /* DW_FORM_ref4 */
+ .uleb128 0x11 /* DW_AT_low_pc */
+ .uleb128 0x1 /* DW_FORM_addr */
+ .uleb128 0x12 /* DW_AT_high_pc */
+ .uleb128 0x1 /* DW_FORM_addr */
+ .uleb128 0x40 /* DW_AT_frame_base */
+ .uleb128 0xa /* DW_FORM_block1 */
+ .byte 0x0 /* Terminator */
+ .byte 0x0 /* Terminator */
+
+ .uleb128 3 /* Abbrev code */
+ .uleb128 0x24 /* DW_TAG_base_type */
+ .byte 0 /* has_children */
+ .uleb128 0x3 /* DW_AT_name */
+ .uleb128 0x8 /* DW_FORM_string */
+ .uleb128 0xb /* DW_AT_byte_size */
+ .uleb128 0xb /* DW_FORM_data1 */
+ .uleb128 0x3e /* DW_AT_encoding */
+ .uleb128 0xb /* DW_FORM_data1 */
+ .byte 0x0 /* Terminator */
+ .byte 0x0 /* Terminator */
+
+ .byte 0x0 /* Terminator */
+ .byte 0x0 /* Terminator */
+
+ .section .debug_pubnames,"",%progbits
+ .4byte 0x19
+ .2byte 0x2
+ .4byte .Lcu1_begin
+ .4byte 0x43
+ .4byte 0x25
+ .string "func_cu2"
+ .4byte 0x0
+ .section .debug_aranges,"",%progbits
+ .4byte 0x1c
+ .2byte 0x2
+ .4byte .Lcu1_begin
+ .byte 0x4
+ .byte 0x0
+ .2byte 0x0
+ .2byte 0x0
+ .4byte .Lbegin_text1
+ .4byte .Lbegin_text1-.Lend_text1
+ .4byte 0x0
+ .4byte 0x0
diff --git a/ld/testsuite/ld-elf/compress1a.d b/ld/testsuite/ld-elf/compress1a.d
new file mode 100644
index 0000000..963623c
--- /dev/null
+++ b/ld/testsuite/ld-elf/compress1a.d
@@ -0,0 +1,9 @@
+#source: compress1.s
+#as: --compress-debug-sections
+#ld: -e func_cu2
+#readelf: -S --wide
+
+#failif
+#...
+ \[[ 0-9]+\] \.zdebug_.*[ ]+PROGBITS[ 0-9a-z]+ .*
+#...
diff --git a/ld/testsuite/ld-elf/compress1b.d b/ld/testsuite/ld-elf/compress1b.d
new file mode 100644
index 0000000..02109d5
--- /dev/null
+++ b/ld/testsuite/ld-elf/compress1b.d
@@ -0,0 +1,9 @@
+#source: compress1.s
+#as: --compress-debug-sections
+#ld: -r
+#readelf: -S --wide
+
+#failif
+#...
+ \[[ 0-9]+\] \.zdebug_.*[ ]+PROGBITS[ 0-9a-z]+ .*
+#...
diff --git a/ld/testsuite/ld-elf/compress1c.d b/ld/testsuite/ld-elf/compress1c.d
new file mode 100644
index 0000000..2822ce6
--- /dev/null
+++ b/ld/testsuite/ld-elf/compress1c.d
@@ -0,0 +1,9 @@
+#source: compress1.s
+#as: --compress-debug-sections
+#ld: -shared
+#readelf: -S --wide
+
+#failif
+#...
+ \[[ 0-9]+\] \.zdebug_.*[ ]+PROGBITS[ 0-9a-z]+ .*
+#...