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