1999-06-12 16:48:00 +08:00
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/* dwarf2dbg.h - DWARF2 debug support
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2009-09-02 15:25:43 +08:00
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Copyright 1999, 2000, 2002, 2003, 2005, 2006, 2007, 2009
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Free Software Foundation, Inc.
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1999-06-12 16:48:00 +08:00
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This file is part of GAS, the GNU Assembler.
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GAS 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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2007-07-03 19:01:12 +08:00
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the Free Software Foundation; either version 3, or (at your option)
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1999-06-12 16:48:00 +08:00
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any later version.
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GAS 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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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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2005-05-05 17:13:19 +08:00
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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1999-06-12 16:48:00 +08:00
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1999-06-03 10:51:53 +08:00
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#ifndef AS_DWARF2DBG_H
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#define AS_DWARF2DBG_H
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#include "as.h"
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* dwarf2dbg.c: Include safe-ctype.h.
(DWARF2_LINE_OPCODE_BASE): Bump to 13.
(current): Initialize.
(dwarf2_emit_insn): Clear DWARF2_FLAG_BASIC_BLOCK,
DWARF2_FLAG_PROLOGUE_END, DWARF2_FLAG_EPILOGUE_BEGIN.
(dwarf2_directive_file): Cope with invalid filename.
(dwarf2_directive_loc): Add handling for basic_block, prologue_end,
epilogue_begin, is_stmt, isa.
(emit_inc_line_addr): Move line_delta == 0, addr_delta == 0 special
case down lower.
(process_entries): Handle isa, DWARF2_FLAG_PROLOGUE_END,
and DWARF2_FLAG_EPILOGUE_BEGIN.
(out_debug_line): Emit sizes for DW_LNS_set_prologue_end,
DW_LNS_set_epilogue_begin, DW_LNS_set_isa.
* dwarf2dbg.h (DWARF2_FLAG_IS_STMT): Rename from DWARF2_FLAG_BEGIN_STMT. (DWARF2_FLAG_BASIC_BLOCK): Rename from DWARF2_FLAG_BEGIN_BLOCK.
(DWARF2_FLAG_PROLOGUE_END, DWARF2_FLAG_EPILOGUE_BEGIN): New.
(struct dwarf2_line_info): Add isa member.
* doc/as.texinfo (LNS directives): New node.
2005-09-07 19:41:25 +08:00
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#define DWARF2_FLAG_IS_STMT (1 << 0)
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#define DWARF2_FLAG_BASIC_BLOCK (1 << 1)
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#define DWARF2_FLAG_PROLOGUE_END (1 << 2)
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#define DWARF2_FLAG_EPILOGUE_BEGIN (1 << 3)
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1999-06-03 10:51:53 +08:00
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2000-10-18 04:21:45 +08:00
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struct dwarf2_line_info {
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unsigned int filenum;
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unsigned int line;
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unsigned int column;
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* dwarf2dbg.c: Include safe-ctype.h.
(DWARF2_LINE_OPCODE_BASE): Bump to 13.
(current): Initialize.
(dwarf2_emit_insn): Clear DWARF2_FLAG_BASIC_BLOCK,
DWARF2_FLAG_PROLOGUE_END, DWARF2_FLAG_EPILOGUE_BEGIN.
(dwarf2_directive_file): Cope with invalid filename.
(dwarf2_directive_loc): Add handling for basic_block, prologue_end,
epilogue_begin, is_stmt, isa.
(emit_inc_line_addr): Move line_delta == 0, addr_delta == 0 special
case down lower.
(process_entries): Handle isa, DWARF2_FLAG_PROLOGUE_END,
and DWARF2_FLAG_EPILOGUE_BEGIN.
(out_debug_line): Emit sizes for DW_LNS_set_prologue_end,
DW_LNS_set_epilogue_begin, DW_LNS_set_isa.
* dwarf2dbg.h (DWARF2_FLAG_IS_STMT): Rename from DWARF2_FLAG_BEGIN_STMT. (DWARF2_FLAG_BASIC_BLOCK): Rename from DWARF2_FLAG_BEGIN_BLOCK.
(DWARF2_FLAG_PROLOGUE_END, DWARF2_FLAG_EPILOGUE_BEGIN): New.
(struct dwarf2_line_info): Add isa member.
* doc/as.texinfo (LNS directives): New node.
2005-09-07 19:41:25 +08:00
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unsigned int isa;
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2000-10-18 04:21:45 +08:00
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unsigned int flags;
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2009-04-25 02:31:29 +08:00
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unsigned int discriminator;
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2000-10-18 04:21:45 +08:00
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};
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1999-06-03 10:51:53 +08:00
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/* Implements the .file FILENO "FILENAME" directive. FILENO can be 0
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to indicate that no file number has been assigned. All real file
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number must be >0. */
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2003-11-21 21:28:35 +08:00
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extern char *dwarf2_directive_file (int dummy);
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1999-06-03 10:51:53 +08:00
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/* Implements the .loc FILENO LINENO [COLUMN] directive. FILENO is
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the file number, LINENO the line number and the (optional) COLUMN
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the column of the source code that the following instruction
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corresponds to. FILENO can be 0 to indicate that the filename
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specified by the textually most recent .file directive should be
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used. */
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2003-11-21 21:28:35 +08:00
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extern void dwarf2_directive_loc (int dummy);
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1999-06-03 10:51:53 +08:00
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2005-09-21 02:24:48 +08:00
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/* Implements the .loc_mark_labels {0,1} directive. */
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extern void dwarf2_directive_loc_mark_labels (int dummy);
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1999-06-03 10:51:53 +08:00
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/* Returns the current source information. If .file directives have
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been encountered, the info for the corresponding source file is
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returned. Otherwise, the info for the assembly source file is
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returned. */
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2003-11-21 21:28:35 +08:00
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extern void dwarf2_where (struct dwarf2_line_info *l);
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1999-06-03 10:51:53 +08:00
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2005-09-08 03:22:42 +08:00
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/* A hook to allow the target backend to inform the line number state
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machine of isa changes when assembler debug info is enabled. */
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extern void dwarf2_set_isa (unsigned int isa);
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1999-06-03 10:51:53 +08:00
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/* This function generates .debug_line info based on the address and
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source information passed in the arguments. ADDR should be the
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frag-relative offset of the instruction the information is for and
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L is the source information that should be associated with that
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2000-09-13 04:57:14 +08:00
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address. */
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2003-11-21 21:28:35 +08:00
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extern void dwarf2_gen_line_info (addressT addr, struct dwarf2_line_info *l);
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1999-06-03 10:51:53 +08:00
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2000-11-30 05:42:41 +08:00
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/* Must be called for each generated instruction. */
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2003-11-21 21:28:35 +08:00
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extern void dwarf2_emit_insn (int);
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2000-11-30 05:42:41 +08:00
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2007-11-20 02:15:53 +08:00
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/* Reset the state of the line number information to reflect that
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it has been used. */
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extern void dwarf2_consume_line_info (void);
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2005-09-21 02:24:48 +08:00
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/* Should be called for each code label. */
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extern void dwarf2_emit_label (symbolS *);
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2007-11-20 03:37:18 +08:00
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/* True when we've seen a .loc directive recently. Used to avoid
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doing work when there's nothing to do. */
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2009-09-11 23:27:38 +08:00
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extern bfd_boolean dwarf2_loc_directive_seen;
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2007-11-20 03:37:18 +08:00
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2005-09-21 02:24:48 +08:00
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/* True when we're supposed to set the basic block mark whenever a label
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is seen. Unless the target is doing Something Weird, just call
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dwarf2_emit_label. */
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* include/elf/ia64.h (SHT_IA_64_VMS_DISPLAY_NAME_INFO,
EF_IA_64_ARCHVER_1): New macros. Minor reformatting.
* bfd/Makefile.am (BFD32_BACKENDS): Add new object vmsutil.lo
(BFD32_BACKENDS_CFILES): Add new file vmsutil.c
(vmsutil.lo): Add dependency rule
* bfd/Makefile.in: Regenerate
* bfd/config.bfd (ia64*-*-*vms*): Add case.
* bfd/configure.in (bfd_elf64_ia64_vms_vec): Add case.
* bfd/configure: Regenerate
* bfd/vmsutil.[ch]: New files
* bfd/elf-bfd.h (struct bfd_elf_special_section): Change type of
attr to bfd_vma.
* bfd/elfxx-ia64.c (elfNN_vms_post_process_headers,
elfNN_vms_section_processing, elfNN_vms_final_write_processing,
elfNN_vms_close_and_cleanup, elfNN_vms_section_from_shdr,
elfNN_vms_object_p): New functions
* bfd/targets.c (bfd_elf64_ia64_vms_vec): New target.
* gas/configure.tgt(ia64-*-*vms*): New target.
* gas/dwarf2dbg.h (dwarf2_loc_mark_labels): Make extern.
* gas/tc.h (md_number_to_chars): Declare iff undefined.
* gas/config/obj-elf.c (obj_elf_change_section): Change type of
arg attr to bfd_vma.
(obj_elf_parse_section_letters): Return a bfd_vma. Change type of
variables attr, md_attr to bfd_vma.
(obj_elf_section_word): Likewise.
(obj_elf_section): Change type of variable attr to bfd_vma
* gas/config/obj-elf.h (obj_elf_change_section): Change type of
arg attr to bfd_vma
* gas/config/tc-ia64.c (bfdver.h,time.h): Include.
(ia64_elf_section_letter): Now returns a bfd_vma.
Handle VMS specific attributes.
(ia64_elf_section_flags): Arg attr now a bfd_vma.
(ia64_init): Don't turn on dependency checking for VMS.
(ia64_target_format): Check for VMS flag bit.
(do_alias): Hande decc$ functions.
(get_vms_time): New function.
(ia64_vms_note): New function.
* gas/config/tc-ia64.h (ia64_elf_section_letter): Now returns a bfd_vma.
(ia64_elf_section_flags): Arg attr now a bfd_vma.
(tc_init_after_args): Define for VMS.
* gas/config/tc-alpha.c (alpha_elf_section_letter): Return a bfd_vma.
(alpha_elf_section_flags): Change type of arg attr to bfd_vma.
* gas/config/tc-alpha.h: Likewise.
* gas/config/tc-i386.c (x86_64_section_letter): Return a bfd_vma.
(x86_64_section_word): Return a bfd_vma.
* gas/config/tc-i386.h: Likewise.
* gas/config/tc-ip2k.c (ip2k_elf_section_flags): Change type of arg
attr to bfd_vma.
* gas/config/tc-ip2k.h: Likewise.
* gas/config/tc-mep.c (mep_elf_section_letter): Return a bfd_vma.
(mep_elf_section_flags): Change type of arg attr to bfd_vma.
* gas/config/tc-mep.h: Likewise.
* gas/config/tc-ppc.c (ppc_section_letter): Return a bfd_vma.
(ppc_section_word): Return a bfd_vma.
(ppc_section_flags): Change type of arg attr to bfd_vma.
* gas/config/tc-ppc.h: Likewise.
* gas/config/te-vms.h (DWARF2_DIR_SHOULD_END_WITH_SEPARATOR,
DWAR2_FILE_TIME_NAME, DWARF2_FILE_SIZE_NAME, DWARF2_FILEN_NAME):
New file with new macros
* gas/dwarf2dbg.c (get_filenum, out_file_list): Default and call new
macros.
2009-01-15 20:42:52 +08:00
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extern bfd_boolean dwarf2_loc_mark_labels;
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2005-09-21 02:24:48 +08:00
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2009-09-11 23:27:38 +08:00
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extern void dwarf2_init (void);
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2003-11-21 21:28:35 +08:00
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extern void dwarf2_finish (void);
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1999-06-03 10:51:53 +08:00
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2003-11-21 21:28:35 +08:00
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extern int dwarf2dbg_estimate_size_before_relax (fragS *);
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extern int dwarf2dbg_relax_frag (fragS *);
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extern void dwarf2dbg_convert_frag (fragS *);
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2000-10-26 03:15:34 +08:00
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2002-11-19 05:08:54 +08:00
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/* An enumeration which describes the sizes of offsets (to DWARF sections)
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and the mechanism by which the size is indicated. */
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enum dwarf2_format {
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/* 32-bit format: the initial length field is 4 bytes long. */
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dwarf2_format_32bit,
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/* DWARF3 64-bit format: the representation of the initial length
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(of a DWARF section) is 0xffffffff (4 bytes) followed by eight
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bytes indicating the actual length. */
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dwarf2_format_64bit,
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/* SGI extension to DWARF2: The initial length is eight bytes. */
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dwarf2_format_64bit_irix
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};
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1999-06-03 10:51:53 +08:00
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#endif /* AS_DWARF2DBG_H */
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