From 4a114e3e0c1c3337981179b774f1d6d1b06d201f Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Fri, 29 Oct 2010 12:10:39 +0000 Subject: Add compressed debug section support to binutils and ld. bfd/ 2010-10-29 H.J. Lu Cary Coutant * 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 * 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 * 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 * write.c (compress_debug): Optimize section flags check. gas/testsuite/ 2010-10-29 H.J. Lu * 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 * 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 * 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. --- binutils/ChangeLog | 33 ++++ binutils/addr2line.c | 3 + binutils/doc/binutils.texi | 8 + binutils/objcopy.c | 55 +++++- binutils/objdump.c | 33 ++-- binutils/readelf.c | 18 +- binutils/testsuite/ChangeLog | 8 + binutils/testsuite/binutils-all/compress.exp | 135 ++++++++++++++ binutils/testsuite/binutils-all/dw2-1.S | 198 +++++++++++++++++++++ binutils/testsuite/binutils-all/dw2-2.S | 195 ++++++++++++++++++++ .../testsuite/binutils-all/libdw2-compressed.out | 5 + binutils/testsuite/binutils-all/libdw2.out | 13 ++ 12 files changed, 668 insertions(+), 36 deletions(-) create mode 100644 binutils/testsuite/binutils-all/compress.exp create mode 100644 binutils/testsuite/binutils-all/dw2-1.S create mode 100644 binutils/testsuite/binutils-all/dw2-2.S create mode 100644 binutils/testsuite/binutils-all/libdw2-compressed.out create mode 100644 binutils/testsuite/binutils-all/libdw2.out (limited to 'binutils') diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 13c5fff..428d68e 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,36 @@ +2010-10-29 H.J. Lu + + * 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. + 2010-10-29 Nick Clifton PR binutils/12058 diff --git a/binutils/addr2line.c b/binutils/addr2line.c index b49c43a..10c6cde 100644 --- a/binutils/addr2line.c +++ b/binutils/addr2line.c @@ -313,6 +313,9 @@ process_file (const char *file_name, const char *section_name, if (abfd == NULL) bfd_fatal (file_name); + /* Decompress sections. */ + abfd->flags |= BFD_DECOMPRESS; + if (bfd_check_format (abfd, bfd_archive)) fatal (_("%s: cannot get addresses from archive"), file_name); diff --git a/binutils/doc/binutils.texi b/binutils/doc/binutils.texi index 26d6907..9b9056f 100644 --- a/binutils/doc/binutils.texi +++ b/binutils/doc/binutils.texi @@ -1074,6 +1074,8 @@ objcopy [@option{-F} @var{bfdname}|@option{--target=}@var{bfdname}] [@option{--section-alignment=}@var{num}] [@option{--stack=}@var{size}] [@option{--subsystem=}@var{which}:@var{major}.@var{minor}] + [@option{--compress-debug-sections}] + [@option{--decompress-debug-sections}] [@option{-v}|@option{--verbose}] [@option{-V}|@option{--version}] [@option{--help}] [@option{--info}] @@ -1680,6 +1682,12 @@ This option is used to build a @file{.sym} file for a VxWorks kernel. It can also be a useful way of reducing the size of a @option{--just-symbols} linker input file. +@item --compress-debug-sections +Compress DWARF debug sections using zlib. + +@item --decompress-debug-sections +Decompress DWARF debug sections using zlib. + @item -V @itemx --version Show the version number of @command{objcopy}. diff --git a/binutils/objcopy.c b/binutils/objcopy.c index 84b9feb..2077fca 100644 --- a/binutils/objcopy.c +++ b/binutils/objcopy.c @@ -194,6 +194,14 @@ static const char * gnu_debuglink_filename = NULL; /* Whether to convert debugging information. */ static bfd_boolean convert_debugging = FALSE; +/* Whether to compress/decompress DWARF debug sections. */ +static enum +{ + nothing, + compress, + decompress +} do_debug_sections = nothing; + /* Whether to change the leading character in symbol names. */ static bfd_boolean change_leading_char = FALSE; @@ -259,7 +267,9 @@ enum command_line_switch OPTION_CHANGE_SECTION_LMA, OPTION_CHANGE_SECTION_VMA, OPTION_CHANGE_WARNINGS, + OPTION_COMPRESS_DEBUG_SECTIONS, OPTION_DEBUGGING, + OPTION_DECOMPRESS_DEBUG_SECTIONS, OPTION_GAP_FILL, OPTION_NO_CHANGE_WARNINGS, OPTION_PAD_TO, @@ -357,7 +367,9 @@ static struct option copy_options[] = {"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA}, {"change-start", required_argument, 0, OPTION_CHANGE_START}, {"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, + {"compress-debug-sections", no_argument, 0, OPTION_COMPRESS_DEBUG_SECTIONS}, {"debugging", no_argument, 0, OPTION_DEBUGGING}, + {"decompress-debug-sections", no_argument, 0, OPTION_DECOMPRESS_DEBUG_SECTIONS}, {"discard-all", no_argument, 0, 'x'}, {"discard-locals", no_argument, 0, 'X'}, {"extract-symbol", no_argument, 0, OPTION_EXTRACT_SYMBOL}, @@ -551,6 +563,8 @@ copy_usage (FILE *stream, int exit_status) \n\ --subsystem [:]\n\ Set PE subsystem to [& ]\n\ + --compress-debug-sections Compress DWARF debug sections using zlib\n\ + --decompress-debug-sections Decompress DWARF debug sections using zlib\n\ -v --verbose List all object files modified\n\ @ Read options from \n\ -V --version Display this program's version number\n\ @@ -2193,6 +2207,18 @@ copy_file (const char *input_filename, const char *output_filename, return; } + switch (do_debug_sections) + { + case compress: + ibfd->flags |= BFD_COMPRESS; + break; + case decompress: + ibfd->flags |= BFD_DECOMPRESS; + break; + default: + break; + } + if (bfd_check_format (ibfd, bfd_archive)) { bfd_boolean force_output_target; @@ -2637,9 +2663,9 @@ copy_section (bfd *ibfd, sec_ptr isection, void *obfdarg) if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS && bfd_get_section_flags (obfd, osection) & SEC_HAS_CONTENTS) { - void *memhunk = xmalloc (size); + bfd_byte *memhunk = NULL; - if (!bfd_get_section_contents (ibfd, isection, memhunk, 0, size)) + if (!bfd_get_full_section_contents (ibfd, isection, &memhunk)) { status = 1; bfd_nonfatal_message (NULL, ibfd, isection, NULL); @@ -3170,6 +3196,7 @@ copy_main (int argc, char *argv[]) struct section_list *p; struct stat statbuf; const bfd_arch_info_type *input_arch = NULL; + struct dwarf_debug_section *d; while ((c = getopt_long (argc, argv, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:w", copy_options, (int *) 0)) != EOF) @@ -3462,10 +3489,18 @@ copy_main (int argc, char *argv[]) change_leading_char = TRUE; break; + case OPTION_COMPRESS_DEBUG_SECTIONS: + do_debug_sections = compress; + break; + case OPTION_DEBUGGING: convert_debugging = TRUE; break; + case OPTION_DECOMPRESS_DEBUG_SECTIONS: + do_debug_sections = decompress; + break; + case OPTION_GAP_FILL: { bfd_vma gap_fill_vma; @@ -3877,6 +3912,22 @@ copy_main (int argc, char *argv[]) fatal (_("warning: could not create temporary file whilst copying '%s', (error: %s)"), input_filename, strerror (errno)); + switch (do_debug_sections) + { + case compress: + for (d = dwarf_debug_sections; d->uncompressed_name; d++) + add_section_rename (d->uncompressed_name, d->compressed_name, + (flagword) -1); + break; + case decompress: + for (d = dwarf_debug_sections; d->uncompressed_name; d++) + add_section_rename (d->compressed_name, d->uncompressed_name, + (flagword) -1); + break; + default: + break; + } + copy_file (input_filename, tmpname, input_target, output_target, input_arch); if (status == 0) { diff --git a/binutils/objdump.c b/binutils/objdump.c index ce87a5f..5f996e6 100644 --- a/binutils/objdump.c +++ b/binutils/objdump.c @@ -2198,20 +2198,15 @@ load_specific_debug_section (enum dwarf_section_display_enum debug, struct dwarf_section *section = &debug_displays [debug].section; bfd *abfd = (bfd *) file; bfd_boolean ret; - int section_is_compressed; /* If it is already loaded, do nothing. */ if (section->start != NULL) return 1; - section_is_compressed = section->name == section->compressed_name; - section->address = 0; section->size = bfd_get_section_size (sec); - section->start = (unsigned char *) xmalloc (section->size); - - ret = bfd_get_section_contents (abfd, sec, section->start, 0, - section->size); + section->start = NULL; + ret = bfd_get_full_section_contents (abfd, sec, §ion->start); if (! ret) { @@ -2221,18 +2216,6 @@ load_specific_debug_section (enum dwarf_section_display_enum debug, return 0; } - if (section_is_compressed) - { - bfd_size_type size = section->size; - if (! bfd_uncompress_section_contents (§ion->start, &size)) - { - free_debug_section (debug); - printf (_("\nCan't uncompress section '%s'.\n"), section->name); - return 0; - } - section->size = size; - } - if (is_relocatable && debug_displays [debug].relocate) { /* We want to relocate the data we've already read (and @@ -2662,9 +2645,11 @@ dump_section (bfd *abfd, asection *section, void *dummy ATTRIBUTE_UNUSED) (unsigned long) (section->filepos + start_offset)); printf ("\n"); - data = (bfd_byte *) xmalloc (datasize); - - bfd_get_section_contents (abfd, section, data, 0, datasize); + if (!bfd_get_full_section_contents (abfd, section, &data)) + { + non_fatal (_("Reading section failed")); + return; + } width = 4; @@ -3208,6 +3193,10 @@ display_file (char *filename, char *target) return; } + /* Decompress sections unless dumping the section contents. */ + if (!dump_section_contents) + file->flags |= BFD_DECOMPRESS; + /* If the file is an archive, process all of its elements. */ if (bfd_check_format (file, bfd_archive)) { diff --git a/binutils/readelf.c b/binutils/readelf.c index f1ecd20..3c8c020 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -9987,8 +9987,7 @@ dump_section_as_bytes (Elf_Internal_Shdr * section, putchar ('\n'); } -/* Uncompresses a section that was compressed using zlib, in place. - This is a copy of bfd_uncompress_section_contents, in bfd/compress.c */ +/* Uncompresses a section that was compressed using zlib, in place. */ static int uncompress_section_contents (unsigned char **buffer ATTRIBUTE_UNUSED, @@ -10054,6 +10053,8 @@ uncompress_section_contents (unsigned char **buffer ATTRIBUTE_UNUSED, fail: free (uncompressed_buffer); + /* Indicate decompression failure. */ + *buffer = NULL; return 0; #endif /* HAVE_ZLIB_H */ } @@ -10064,30 +10065,23 @@ load_specific_debug_section (enum dwarf_section_display_enum debug, { struct dwarf_section * section = &debug_displays [debug].section; char buf [64]; - int section_is_compressed; /* If it is already loaded, do nothing. */ if (section->start != NULL) return 1; - section_is_compressed = section->name == section->compressed_name; - snprintf (buf, sizeof (buf), _("%s section data"), section->name); section->address = sec->sh_addr; section->size = sec->sh_size; section->start = (unsigned char *) get_data (NULL, (FILE *) file, sec->sh_offset, 1, sec->sh_size, buf); + if (uncompress_section_contents (§ion->start, §ion->size)) + sec->sh_size = section->size; + if (section->start == NULL) return 0; - if (section_is_compressed) - { - if (! uncompress_section_contents (§ion->start, §ion->size)) - return 0; - sec->sh_size = section->size; - } - if (debug_displays [debug].relocate) apply_relocations ((FILE *) file, sec, section->start); diff --git a/binutils/testsuite/ChangeLog b/binutils/testsuite/ChangeLog index 9a9fa8b..230b15f 100644 --- a/binutils/testsuite/ChangeLog +++ b/binutils/testsuite/ChangeLog @@ -1,3 +1,11 @@ +2010-10-29 H.J. Lu + + * 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. + 2010-10-22 Mark Mitchell * binutils-all/group-5.d: Expect ".group" for the name of group diff --git a/binutils/testsuite/binutils-all/compress.exp b/binutils/testsuite/binutils-all/compress.exp new file mode 100644 index 0000000..fdf71fb --- /dev/null +++ b/binutils/testsuite/binutils-all/compress.exp @@ -0,0 +1,135 @@ +# Copyright 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, write to the Free Software +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + +# Test compressed .debug section. + +if { [is_remote host] || ![is_elf_format] } then { + return +} + +set testfile tmpdir/dw2-1.o +set compressedfile tmpdir/dw2-1-compressed.o +set copyfile tmpdir/dw2-copy +set compressedfile2 tmpdir/dw2-2-compressed.o +set libfile tmpdir/libdw2.a +set compressedcopyfile tmpdir/dw2-copy-compressed + +if { ![binutils_assemble $srcdir/$subdir/dw2-1.S $testfile] } then { + fail "compressed debug sections" + return +} + +if { ![binutils_assemble_flags $srcdir/$subdir/dw2-1.S $compressedfile --compress-debug-sections] } then { + unsupported "compressed debug sections" + return +} + +if { ![binutils_assemble_flags $srcdir/$subdir/dw2-2.S $compressedfile2 --compress-debug-sections] } then { + unsupported "compressed debug sections" + return +} + +remote_file host delete $libfile +set got [binutils_run $AR "rc $libfile $compressedfile $compressedfile2"] +if ![string match "" $got] then { + fail "compressed debug sections" + return +} + +set testname "objcopy compress debug sections" +set got [binutils_run $OBJCOPY "--compress-debug-sections $testfile ${copyfile}.o"] +if ![string match "" $got] then { + fail "objcopy ($testname)" +} else { + send_log "cmp $compressedfile ${copyfile}.o\n" + verbose "cmp $compressedfile ${copyfile}.o" + set src1 ${compressedfile} + set src2 ${copyfile}.o + set status [remote_exec build cmp "${src1} ${src2}"] + set exec_output [lindex $status 1] + set exec_output [prune_warnings $exec_output] + + if [string match "" $exec_output] then { + pass "objcopy ($testname)" + } else { + send_log "$exec_output\n" + verbose "$exec_output" 1 + fail "objcopy ($testname)" + } +} + +set testname "objcopy decompress compressed debug sections" +set got [binutils_run $OBJCOPY "--decompress-debug-sections $compressedfile ${copyfile}.o"] +if ![string match "" $got] then { + fail "objcopy ($testname)" +} else { + send_log "cmp $testfile ${copyfile}.o\n" + verbose "cmp $testfile ${copyfile}.o" + set src1 ${testfile} + set src2 ${copyfile}.o + set status [remote_exec build cmp "${src1} ${src2}"] + set exec_output [lindex $status 1] + set exec_output [prune_warnings $exec_output] + + if [string match "" $exec_output] then { + pass "objcopy ($testname)" + } else { + send_log "$exec_output\n" + verbose "$exec_output" 1 + fail "objcopy ($testname)" + } +} + +set testname "objcopy decompress debug sections in archive" +set got [binutils_run $OBJCOPY "--decompress-debug-sections $libfile ${copyfile}.a"] +if ![string match "" $got] then { + fail "objcopy ($testname)" +} else { + set got [remote_exec host "$READELF -S --wide ${copyfile}.a" "" "/dev/null" "tmpdir/libdw2.out"] + + if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then { + fail "$testname (reason: unexpected output)" + send_log $got + send_log "\n" + } + + if { [regexp_diff tmpdir/libdw2.out $srcdir/$subdir/libdw2.out] } then { + fail "$testname" + } else { + pass "$testname" + } +} + +set testname "objcopy compress debug sections in archive" +set got [binutils_run $OBJCOPY "--compress-debug-sections ${copyfile}.a ${compressedcopyfile}.a"] +if ![string match "" $got] then { + fail "objcopy ($testname)" +} else { + set got [remote_exec host "$OBJDUMP -s -j .zdebug_line ${compressedcopyfile}.a" "" "/dev/null" "tmpdir/libdw2-compressed.out"] + + if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then { + fail "$testname (reason: unexpected output)" + send_log $got + send_log "\n" + } + + if { [regexp_diff tmpdir/libdw2-compressed.out $srcdir/$subdir/libdw2-compressed.out] } then { + fail "$testname" + } else { + pass "$testname" + } +} diff --git a/binutils/testsuite/binutils-all/dw2-1.S b/binutils/testsuite/binutils-all/dw2-1.S new file mode 100644 index 0000000..ab12be6 --- /dev/null +++ b/binutils/testsuite/binutils-all/dw2-1.S @@ -0,0 +1,198 @@ +/* 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 . */ + +/* Dummy function to provide debug information for. */ + + .text + .globl _start +_start: + .int 0 +.Lbegin_text1: + .globl func_cu1 + .type func_cu1, %function +func_cu1: +.Lbegin_func_cu1: + .int 0 +.Lend_func_cu1: + .size func_cu1, .-func_cu1 +.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_cu1 */ + .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_cu1\0" /* DW_AT_name */ + .4byte .Ltype_int-.Lcu1_begin /* DW_AT_type */ + .4byte .Lbegin_func_cu1 /* DW_AT_low_pc */ + .4byte .Lend_func_cu1 /* 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_cu1 + + .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_cu1 + + .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 */ diff --git a/binutils/testsuite/binutils-all/dw2-2.S b/binutils/testsuite/binutils-all/dw2-2.S new file mode 100644 index 0000000..43b5355 --- /dev/null +++ b/binutils/testsuite/binutils-all/dw2-2.S @@ -0,0 +1,195 @@ +/* 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 . */ + +/* 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 */ diff --git a/binutils/testsuite/binutils-all/libdw2-compressed.out b/binutils/testsuite/binutils-all/libdw2-compressed.out new file mode 100644 index 0000000..6c1f7f5 --- /dev/null +++ b/binutils/testsuite/binutils-all/libdw2-compressed.out @@ -0,0 +1,5 @@ +#... + .* ZLIB.* +#... + .* ZLIB.* +#pass diff --git a/binutils/testsuite/binutils-all/libdw2.out b/binutils/testsuite/binutils-all/libdw2.out new file mode 100644 index 0000000..899e6f8 --- /dev/null +++ b/binutils/testsuite/binutils-all/libdw2.out @@ -0,0 +1,13 @@ +#... + \[[ 0-9]+\] \.debug_info[ ]+PROGBITS[ 0-9a-z]+ [^Z]* +#... + \[[ 0-9]+\] \.debug_line[ ]+PROGBITS[ 0-9a-z]+ [^Z]* +#... + \[[ 0-9]+\] \.debug_abbrev[ ]+PROGBITS[ 0-9a-z]+ [^Z]* +#... + \[[ 0-9]+\] \.debug_info[ ]+PROGBITS[ 0-9a-z]+ [^Z]* +#... + \[[ 0-9]+\] \.debug_line[ ]+PROGBITS[ 0-9a-z]+ [^Z]* +#... + \[[ 0-9]+\] \.debug_abbrev[ ]+PROGBITS[ 0-9a-z]+ [^Z]* +#pass -- cgit v1.1