/* dwarf2dbg.h - DWARF2 debug support
- Copyright 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
+ 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 2, or (at your option)
+ 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,
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, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ 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_BEGIN_STMT (1 << 0) /* beginning of statement */
-#define DWARF2_FLAG_BEGIN_BLOCK (1 << 1) /* beginning of basic block */
+#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
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
/* Must be called for each generated instruction. */
extern void dwarf2_emit_insn (int);
+void dwarf2_move_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 *);