binutils-gdb/gas/dwarf2dbg.h
Nick Clifton 1e9cc1c27b * po/bfd.pot: Updated by the Translation project.
* po/binutils.pot: Updated by the Translation project.
        * po/gold.pot: Updated by the Translation project.
        * po/gold.pot: Updated by the Translation project.
        * po/gprof.pot: Updated by the Translation project.
        * po/sv.po: Updated Swedish translation.
        * po/ld.pot: Updated by the Translation project.
        * po/fi.po: Updated Finnish translation.
        * po/ld.pot: Updated by the Translation project.
        * po/fi.po: Updated Finnish translation.

        Updated sources to compile cleanly with -Wc++-compat:
        * basic_blocks.c: Add casts.
        * cg_dfn.c: Add cast.
        * corefile.c: Add casts.
        * gmon_io.c: Add casts.
        * hist.c: Add cast.
        * source.c: Add cast.
        * sym_ids.c (struct match): Moved to top level.

        Updated soruces in ld/* to compile cleanly with -Wc++-compat:
        * ld.h (enum endian_enum,enum symbolic_enum,enum dynamic_list_enum): Move to top level.
        * ldcref.c: Add casts.
        * ldctor.c: Add casts.
        * ldexp.c
        * ldexp.h (enum node_tree_enum,enum phase_enum): Move to top level.
        * ldlang.c: Add casts. (lang_insert_orphan): Use enum name instead of integer.
        * ldlang.h (enum statement_enum): Move to top level.
        * ldmain.c: Add casts.
        * ldwrite.c: Add casts.
        * lexsup.c: Add casts. (enum control_enum): Move to top level.
        * mri.c: Add casts. (mri_draw_tree): Use enum name instead of integer.

        Updated sources to compile cleanly with -Wc++-compat:
        * basic_blocks.c: Add casts.
        * cg_dfn.c: Add cast.
        * corefile.c: Add casts.
        * gmon_io.c: Add casts.
        * hist.c: Add cast.
        * source.c: Add cast.
        * sym_ids.c (struct match): Moved to top level.

        * as.c (main): Call dwarf2_init.
        * config/obj-elf.c (struct group_list): New field.
        (build_group_lists): Use hash lookup.
        (free_section_idx): New function.
        (elf_frob_file): Adjust.
        * dwarf2dbg.c (all_segs_hash, last_seg_ptr): New variables.
        (get_line_subseg): Adjust.
        (dwarf2_init): New function.
        * dwarf2dbg.h (dwarf2_init): New declaration.
2009-09-11 15:27:38 +00:00

115 lines
4.2 KiB
C

/* dwarf2dbg.h - DWARF2 debug support
Copyright 1999, 2000, 2002, 2003, 2005, 2006, 2007, 2009
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS 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, or (at your option)
any later version.
GAS 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 GAS; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#ifndef AS_DWARF2DBG_H
#define AS_DWARF2DBG_H
#include "as.h"
#define DWARF2_FLAG_IS_STMT (1 << 0)
#define DWARF2_FLAG_BASIC_BLOCK (1 << 1)
#define DWARF2_FLAG_PROLOGUE_END (1 << 2)
#define DWARF2_FLAG_EPILOGUE_BEGIN (1 << 3)
struct dwarf2_line_info {
unsigned int filenum;
unsigned int line;
unsigned int column;
unsigned int isa;
unsigned int flags;
unsigned int discriminator;
};
/* Implements the .file FILENO "FILENAME" directive. FILENO can be 0
to indicate that no file number has been assigned. All real file
number must be >0. */
extern char *dwarf2_directive_file (int dummy);
/* Implements the .loc FILENO LINENO [COLUMN] directive. FILENO is
the file number, LINENO the line number and the (optional) COLUMN
the column of the source code that the following instruction
corresponds to. FILENO can be 0 to indicate that the filename
specified by the textually most recent .file directive should be
used. */
extern void dwarf2_directive_loc (int dummy);
/* Implements the .loc_mark_labels {0,1} directive. */
extern void dwarf2_directive_loc_mark_labels (int dummy);
/* Returns the current source information. If .file directives have
been encountered, the info for the corresponding source file is
returned. Otherwise, the info for the assembly source file is
returned. */
extern void dwarf2_where (struct dwarf2_line_info *l);
/* A hook to allow the target backend to inform the line number state
machine of isa changes when assembler debug info is enabled. */
extern void dwarf2_set_isa (unsigned int isa);
/* This function generates .debug_line info based on the address and
source information passed in the arguments. ADDR should be the
frag-relative offset of the instruction the information is for and
L is the source information that should be associated with that
address. */
extern void dwarf2_gen_line_info (addressT addr, struct dwarf2_line_info *l);
/* Must be called for each generated instruction. */
extern void dwarf2_emit_insn (int);
/* Reset the state of the line number information to reflect that
it has been used. */
extern void dwarf2_consume_line_info (void);
/* Should be called for each code label. */
extern void dwarf2_emit_label (symbolS *);
/* True when we've seen a .loc directive recently. Used to avoid
doing work when there's nothing to do. */
extern bfd_boolean dwarf2_loc_directive_seen;
/* True when we're supposed to set the basic block mark whenever a label
is seen. Unless the target is doing Something Weird, just call
dwarf2_emit_label. */
extern bfd_boolean dwarf2_loc_mark_labels;
extern void dwarf2_init (void);
extern void dwarf2_finish (void);
extern int dwarf2dbg_estimate_size_before_relax (fragS *);
extern int dwarf2dbg_relax_frag (fragS *);
extern void dwarf2dbg_convert_frag (fragS *);
/* An enumeration which describes the sizes of offsets (to DWARF sections)
and the mechanism by which the size is indicated. */
enum dwarf2_format {
/* 32-bit format: the initial length field is 4 bytes long. */
dwarf2_format_32bit,
/* DWARF3 64-bit format: the representation of the initial length
(of a DWARF section) is 0xffffffff (4 bytes) followed by eight
bytes indicating the actual length. */
dwarf2_format_64bit,
/* SGI extension to DWARF2: The initial length is eight bytes. */
dwarf2_format_64bit_irix
};
#endif /* AS_DWARF2DBG_H */