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DWARF2 debug info (line information only, at this point).
* as.h: Update comment about supported debug formats.
* dwarf2dbg.c, dwarf2dbg.h: New files.
* Makefile.am (GAS_CFILES, HFILES, GENERIC_OBJS): Add them.
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
#ifndef AS_DWARF2DBG_H
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#define AS_DWARF2DBG_H
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#include "as.h"
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#define DWARF2_FLAG_BEGIN_STMT (1 << 0) /* beginning of statement */
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#define DWARF2_FLAG_BEGIN_BLOCK (1 << 1) /* beginning of basic block */
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struct dwarf2_line_info
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{
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char *filename;
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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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unsigned int flags;
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};
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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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extern void dwarf2_directive_file (int dummy);
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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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extern void dwarf2_directive_loc (int dummy);
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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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extern void dwarf2_where (struct dwarf2_line_info *l);
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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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address. */
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extern void dwarf2_gen_line_info (bfd_vma addr, struct dwarf2_line_info *l);
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/* Must be called after all other input is processed to finish up the
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.debug_line section. */
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extern void dwarf2_finish (void);
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#endif /* AS_DWARF2DBG_H */
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