binutils-gdb/ld/testsuite/ld-elf/compress1.s
H.J. Lu 4a114e3e0c 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.
2010-10-29 12:10:39 +00:00

217 lines
5.4 KiB
ArmAsm

/* 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