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/*
* DWARF2 debugging format
*
* Copyright (C) 2006-2007 Peter Johnson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef YASM_DWARF2_DBGFMT_H
#define YASM_DWARF2_DBGFMT_H
#define WITH_DWARF3 1
typedef struct {
char *pathname; /* full filename */
char *filename; /* basename of full filename */
unsigned long dir; /* index into directories array for relative path;
* 0 for current directory. */
} dwarf2_filename;
/* Global data */
typedef struct yasm_dbgfmt_dwarf2 {
yasm_dbgfmt_base dbgfmt; /* base structure */
char **dirs;
unsigned long dirs_size;
unsigned long dirs_allocated;
dwarf2_filename *filenames;
unsigned long filenames_size;
unsigned long filenames_allocated;
enum {
DWARF2_FORMAT_32BIT,
DWARF2_FORMAT_64BIT
} format;
unsigned int sizeof_address, sizeof_offset, min_insn_len;
} yasm_dbgfmt_dwarf2;
/* .loc directive data */
typedef struct dwarf2_loc {
/*@reldef@*/ STAILQ_ENTRY(dwarf2_loc) link;
unsigned long vline; /* virtual line number of .loc directive */
/* source information */
unsigned long file; /* index into table of filenames */
unsigned long line; /* source line number */
unsigned long column; /* source column */
unsigned long discriminator;
int isa_change;
unsigned long isa;
enum {
IS_STMT_NOCHANGE = 0,
IS_STMT_SET,
IS_STMT_CLEAR
} is_stmt;
int basic_block;
int prologue_end;
int epilogue_begin;
yasm_bytecode *bc; /* first bytecode following */
yasm_symrec *sym; /* last symbol preceding */
} dwarf2_loc;
/* Per-section data */
typedef struct dwarf2_section_data {
/* The locations set by the .loc directives in this section, in assembly
* source order.
*/
/*@reldef@*/ STAILQ_HEAD(dwarf2_lochead, dwarf2_loc) locs;
} dwarf2_section_data;
extern const yasm_assoc_data_callback yasm_dwarf2__section_data_cb;
yasm_bytecode *yasm_dwarf2__append_bc(yasm_section *sect, yasm_bytecode *bc);
/*@dependent@*/ yasm_symrec *yasm_dwarf2__bc_sym(yasm_symtab *symtab,
yasm_bytecode *bc);
typedef struct dwarf2_head dwarf2_head;
dwarf2_head *yasm_dwarf2__add_head
(yasm_dbgfmt_dwarf2 *dbgfmt_dwarf2, yasm_section *sect,
/*@null@*/ yasm_section *debug_ptr, int with_address, int with_segment);
void yasm_dwarf2__set_head_end(dwarf2_head *head, yasm_bytecode *end_prevbc);
/* Line number functions */
yasm_section *yasm_dwarf2__generate_line
(yasm_object *object, yasm_linemap *linemap, yasm_errwarns *errwarns,
int asm_source, /*@out@*/ yasm_section **main_code,
/*@out@*/ size_t *num_line_sections);
void yasm_dwarf2__dir_loc(yasm_object *object, yasm_valparamhead *valparams,
yasm_valparamhead *objext_valparams,
unsigned long line);
void yasm_dwarf2__dir_file(yasm_object *object, yasm_valparamhead *valparams,
yasm_valparamhead *objext_valparams,
unsigned long line);
/* Address range table functions */
yasm_section *yasm_dwarf2__generate_aranges(yasm_object *object,
yasm_section *debug_info);
/* Name lookup table functions */
yasm_section *yasm_dwarf2__generate_pubnames(yasm_object *object,
yasm_section *debug_info);
/* Information functions */
yasm_section *yasm_dwarf2__generate_info
(yasm_object *object, yasm_section *debug_line,
/*@null@*/ yasm_section *main_code);
#endif
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