1999-06-12 16:48:00 +08:00
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/* dwarf2dbg.h - DWARF2 debug support
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2021-01-01 06:58:58 +08:00
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Copyright (C) 1999-2021 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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2017-07-21 17:09:06 +08:00
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struct dwarf2_line_info
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{
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2000-10-18 04:21:45 +08:00
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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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2017-07-21 17:09:06 +08:00
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symbolS *view;
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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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2018-02-13 21:14:47 +08:00
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number must be >0. The second form returns the filename extracted
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from the input stream. */
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extern void dwarf2_directive_file (int);
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extern char * dwarf2_directive_filename (void);
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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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2017-07-21 17:09:06 +08:00
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extern void dwarf2_directive_loc (int);
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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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2017-07-21 17:09:06 +08:00
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extern void dwarf2_directive_loc_mark_labels (int);
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2005-09-21 02:24:48 +08:00
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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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2017-07-21 17:09:06 +08:00
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extern void dwarf2_where (struct dwarf2_line_info *);
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1999-06-03 10:51:53 +08:00
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2013-01-11 03:51:55 +08:00
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/* A hook to allow the target backend to inform the line number state
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2005-09-08 03:22:42 +08:00
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machine of isa changes when assembler debug info is enabled. */
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2017-07-21 17:09:06 +08:00
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extern void dwarf2_set_isa (unsigned int);
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2005-09-08 03:22:42 +08:00
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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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2017-07-21 17:09:06 +08:00
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extern void dwarf2_gen_line_info (addressT, struct dwarf2_line_info *);
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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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2013-06-14 21:30:28 +08:00
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void dwarf2_move_insn (int);
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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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Use bool in gas
* as.h (POISON_BFD_BOOLEAN): Define.
* as.c, * as.h, * atof-generic.c, * config/atof-ieee.c,
* config/bfin-aux.h, * config/obj-coff.c, * config/obj-ecoff.c,
* config/obj-elf.c, * config/obj-elf.h, * config/obj-som.c,
* config/tc-aarch64.c, * config/tc-alpha.c, * config/tc-arc.c,
* config/tc-arc.h, * config/tc-arm.c, * config/tc-arm.h,
* config/tc-avr.c, * config/tc-avr.h, * config/tc-bfin.c,
* config/tc-bfin.h, * config/tc-bpf.c, * config/tc-cris.c,
* config/tc-csky.c, * config/tc-csky.h, * config/tc-d10v.c,
* config/tc-d10v.h, * config/tc-d30v.c, * config/tc-d30v.h,
* config/tc-dlx.c, * config/tc-dlx.h, * config/tc-epiphany.c,
* config/tc-epiphany.h, * config/tc-fr30.c, * config/tc-fr30.h,
* config/tc-frv.c, * config/tc-frv.h, * config/tc-ft32.c,
* config/tc-ft32.h, * config/tc-h8300.c, * config/tc-hppa.c,
* config/tc-i386-intel.c, * config/tc-i386.c, * config/tc-ia64.c,
* config/tc-ip2k.c, * config/tc-iq2000.c, * config/tc-iq2000.h,
* config/tc-lm32.c, * config/tc-lm32.h, * config/tc-m32c.c,
* config/tc-m32c.h, * config/tc-m32r.c, * config/tc-m32r.h,
* config/tc-m68hc11.c, * config/tc-m68k.c, * config/tc-mcore.c,
* config/tc-mcore.h, * config/tc-mep.c, * config/tc-mep.h,
* config/tc-metag.c, * config/tc-metag.h,
* config/tc-microblaze.c, * config/tc-mips.c, * config/tc-mips.h,
* config/tc-mmix.c, * config/tc-mn10200.c, * config/tc-mn10300.c,
* config/tc-mn10300.h, * config/tc-moxie.c, * config/tc-msp430.c,
* config/tc-msp430.h, * config/tc-mt.c, * config/tc-mt.h,
* config/tc-nds32.c, * config/tc-nds32.h, * config/tc-nios2.c,
* config/tc-ns32k.c, * config/tc-or1k.c, * config/tc-or1k.h,
* config/tc-pdp11.c, * config/tc-ppc.c, * config/tc-pru.c,
* config/tc-pru.h, * config/tc-riscv.c, * config/tc-riscv.h,
* config/tc-rx.c, * config/tc-rx.h, * config/tc-s12z.c,
* config/tc-s12z.h, * config/tc-s390.c, * config/tc-score.c,
* config/tc-score.h, * config/tc-score7.c, * config/tc-sh.c,
* config/tc-sh.h, * config/tc-spu.c, * config/tc-tic54x.c,
* config/tc-tic6x.c, * config/tc-tic6x.h, * config/tc-tilegx.c,
* config/tc-tilepro.c, * config/tc-v850.c, * config/tc-v850.h,
* config/tc-visium.c, * config/tc-visium.h, * config/tc-wasm32.c,
* config/tc-wasm32.h, * config/tc-xc16x.c, * config/tc-xgate.c,
* config/tc-xstormy16.c, * config/tc-xstormy16.h,
* config/tc-xtensa.c, * config/tc-xtensa.h, * config/tc-z80.c,
* config/tc-z8k.c, * config/xtensa-istack.h,
* config/xtensa-relax.c, * config/xtensa-relax.h, * dw2gencfi.c,
* dwarf2dbg.c, * dwarf2dbg.h, * expr.c, * expr.h, * frags.c,
* frags.h, * listing.c, * macro.c, * output-file.c, * read.c,
* read.h, * stabs.c, * symbols.c, * write.c: Replace bfd_boolean
with bool, FALSE with false, and TRUE with true.
2021-03-31 08:12:05 +08:00
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extern bool 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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2013-01-11 03:51:55 +08:00
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is seen. Unless the target is doing Something Weird, just call
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2005-09-21 02:24:48 +08:00
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dwarf2_emit_label. */
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Use bool in gas
* as.h (POISON_BFD_BOOLEAN): Define.
* as.c, * as.h, * atof-generic.c, * config/atof-ieee.c,
* config/bfin-aux.h, * config/obj-coff.c, * config/obj-ecoff.c,
* config/obj-elf.c, * config/obj-elf.h, * config/obj-som.c,
* config/tc-aarch64.c, * config/tc-alpha.c, * config/tc-arc.c,
* config/tc-arc.h, * config/tc-arm.c, * config/tc-arm.h,
* config/tc-avr.c, * config/tc-avr.h, * config/tc-bfin.c,
* config/tc-bfin.h, * config/tc-bpf.c, * config/tc-cris.c,
* config/tc-csky.c, * config/tc-csky.h, * config/tc-d10v.c,
* config/tc-d10v.h, * config/tc-d30v.c, * config/tc-d30v.h,
* config/tc-dlx.c, * config/tc-dlx.h, * config/tc-epiphany.c,
* config/tc-epiphany.h, * config/tc-fr30.c, * config/tc-fr30.h,
* config/tc-frv.c, * config/tc-frv.h, * config/tc-ft32.c,
* config/tc-ft32.h, * config/tc-h8300.c, * config/tc-hppa.c,
* config/tc-i386-intel.c, * config/tc-i386.c, * config/tc-ia64.c,
* config/tc-ip2k.c, * config/tc-iq2000.c, * config/tc-iq2000.h,
* config/tc-lm32.c, * config/tc-lm32.h, * config/tc-m32c.c,
* config/tc-m32c.h, * config/tc-m32r.c, * config/tc-m32r.h,
* config/tc-m68hc11.c, * config/tc-m68k.c, * config/tc-mcore.c,
* config/tc-mcore.h, * config/tc-mep.c, * config/tc-mep.h,
* config/tc-metag.c, * config/tc-metag.h,
* config/tc-microblaze.c, * config/tc-mips.c, * config/tc-mips.h,
* config/tc-mmix.c, * config/tc-mn10200.c, * config/tc-mn10300.c,
* config/tc-mn10300.h, * config/tc-moxie.c, * config/tc-msp430.c,
* config/tc-msp430.h, * config/tc-mt.c, * config/tc-mt.h,
* config/tc-nds32.c, * config/tc-nds32.h, * config/tc-nios2.c,
* config/tc-ns32k.c, * config/tc-or1k.c, * config/tc-or1k.h,
* config/tc-pdp11.c, * config/tc-ppc.c, * config/tc-pru.c,
* config/tc-pru.h, * config/tc-riscv.c, * config/tc-riscv.h,
* config/tc-rx.c, * config/tc-rx.h, * config/tc-s12z.c,
* config/tc-s12z.h, * config/tc-s390.c, * config/tc-score.c,
* config/tc-score.h, * config/tc-score7.c, * config/tc-sh.c,
* config/tc-sh.h, * config/tc-spu.c, * config/tc-tic54x.c,
* config/tc-tic6x.c, * config/tc-tic6x.h, * config/tc-tilegx.c,
* config/tc-tilepro.c, * config/tc-v850.c, * config/tc-v850.h,
* config/tc-visium.c, * config/tc-visium.h, * config/tc-wasm32.c,
* config/tc-wasm32.h, * config/tc-xc16x.c, * config/tc-xgate.c,
* config/tc-xstormy16.c, * config/tc-xstormy16.h,
* config/tc-xtensa.c, * config/tc-xtensa.h, * config/tc-z80.c,
* config/tc-z8k.c, * config/xtensa-istack.h,
* config/xtensa-relax.c, * config/xtensa-relax.h, * dw2gencfi.c,
* dwarf2dbg.c, * dwarf2dbg.h, * expr.c, * expr.h, * frags.c,
* frags.h, * listing.c, * macro.c, * output-file.c, * read.c,
* read.h, * stabs.c, * symbols.c, * write.c: Replace bfd_boolean
with bool, FALSE with false, and TRUE with true.
2021-03-31 08:12:05 +08:00
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extern bool 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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2017-07-21 17:09:06 +08:00
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extern void dwarf2dbg_final_check (void);
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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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2017-07-21 17:09:06 +08:00
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enum dwarf2_format
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{
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2002-11-19 05:08:54 +08:00
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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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