binutils  2.23.2
About: GNU Binutils are a collection of binary tools. The main ones are "ld" the GNU linker and "(g)as" the GNU assembler.
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Data Structures | Macros | Functions | Variables
dwarf2dbg.c File Reference
#include "as.h"
#include "safe-ctype.h"
#include "dwarf2dbg.h"
#include <filenames.h>
#include "subsegs.h"
#include "dwarf2.h"
Include dependency graph for dwarf2dbg.c:

Go to the source code of this file.

Data Structures

struct  line_entry
 
struct  line_subseg
 
struct  line_seg
 
struct  file_entry
 

Macros

#define INT_MAX   (int) (((unsigned) (-1)) >> 1)
 
#define INSERT_DIR_SEPARATOR(string, offset)   string[offset] = '/'
 
#define DWARF2_FORMAT(SEC)   dwarf2_format_32bit
 
#define DWARF2_ADDR_SIZE(bfd)   (bfd_arch_bits_per_address (bfd) / 8)
 
#define DWARF2_FILE_NAME(FILENAME, DIRNAME)   FILENAME
 
#define DWARF2_FILE_TIME_NAME(FILENAME, DIRNAME)   0
 
#define DWARF2_FILE_SIZE_NAME(FILENAME, DIRNAME)   0
 
#define DWARF2_VERSION   2
 
#define DWARF2_ARANGES_VERSION   2
 
#define DWARF2_LINE_VERSION   2
 
#define DL_PROLOG   0
 
#define DL_FILES   1
 
#define DL_BODY   2
 
#define DWARF2_USE_FIXED_ADVANCE_PC   linkrelax
 
#define DWARF2_LINE_OPCODE_BASE   13
 
#define DWARF2_LINE_BASE   -5
 
#define DWARF2_LINE_RANGE   14
 
#define DWARF2_LINE_MIN_INSN_LENGTH   1
 
#define DWARF2_LINE_DEFAULT_IS_STMT   1
 
#define SPECIAL_LINE(op)   (((op) - DWARF2_LINE_OPCODE_BASE)%DWARF2_LINE_RANGE + DWARF2_LINE_BASE)
 
#define SPECIAL_ADDR(op)   (((op) - DWARF2_LINE_OPCODE_BASE)/DWARF2_LINE_RANGE)
 
#define MAX_SPECIAL_ADDR_DELTA   SPECIAL_ADDR(255)
 
#define TC_DWARF2_EMIT_OFFSET   generic_dwarf2_emit_offset
 
#define ADDR_DELTA_LIMIT   50000
 

Functions

void dwarf2_gen_line_info (addressT ofs, struct dwarf2_line_info *loc)
 
void dwarf2_where (struct dwarf2_line_info *line)
 
void dwarf2_set_isa (unsigned int isa)
 
void dwarf2_emit_insn (int size)
 
void dwarf2_consume_line_info (void)
 
void dwarf2_emit_label (symbolS *label)
 
char * dwarf2_directive_file (int dummy ATTRIBUTE_UNUSED)
 
void dwarf2_directive_loc (int dummy ATTRIBUTE_UNUSED)
 
void dwarf2_directive_loc_mark_labels (int dummy ATTRIBUTE_UNUSED)
 
int dwarf2dbg_estimate_size_before_relax (fragS *frag)
 
int dwarf2dbg_relax_frag (fragS *frag)
 
void dwarf2dbg_convert_frag (fragS *frag)
 
void dwarf2_init (void)
 
void dwarf2_finish (void)
 

Variables

bfd_boolean dwarf2_loc_directive_seen
 
bfd_boolean dwarf2_loc_mark_labels
 

Macro Definition Documentation

#define ADDR_DELTA_LIMIT   50000

Definition at line 1075 of file dwarf2dbg.c.

#define DL_BODY   2

Definition at line 116 of file dwarf2dbg.c.

#define DL_FILES   1

Definition at line 115 of file dwarf2dbg.c.

#define DL_PROLOG   0

Definition at line 114 of file dwarf2dbg.c.

#define DWARF2_ADDR_SIZE (   bfd)    (bfd_arch_bits_per_address (bfd) / 8)

Definition at line 77 of file dwarf2dbg.c.

Referenced by dwarf2_finish().

#define DWARF2_ARANGES_VERSION   2

Definition at line 98 of file dwarf2dbg.c.

#define DWARF2_FILE_NAME (   FILENAME,
  DIRNAME 
)    FILENAME

Definition at line 81 of file dwarf2dbg.c.

#define DWARF2_FILE_SIZE_NAME (   FILENAME,
  DIRNAME 
)    0

Definition at line 89 of file dwarf2dbg.c.

#define DWARF2_FILE_TIME_NAME (   FILENAME,
  DIRNAME 
)    0

Definition at line 85 of file dwarf2dbg.c.

#define DWARF2_FORMAT (   SEC)    dwarf2_format_32bit

Definition at line 73 of file dwarf2dbg.c.

#define DWARF2_LINE_BASE   -5

Definition at line 134 of file dwarf2dbg.c.

#define DWARF2_LINE_DEFAULT_IS_STMT   1

Definition at line 149 of file dwarf2dbg.c.

#define DWARF2_LINE_MIN_INSN_LENGTH   1

Definition at line 145 of file dwarf2dbg.c.

#define DWARF2_LINE_OPCODE_BASE   13

Definition at line 129 of file dwarf2dbg.c.

#define DWARF2_LINE_RANGE   14

Definition at line 139 of file dwarf2dbg.c.

#define DWARF2_LINE_VERSION   2

Definition at line 103 of file dwarf2dbg.c.

#define DWARF2_USE_FIXED_ADVANCE_PC   linkrelax

Definition at line 122 of file dwarf2dbg.c.

Referenced by dwarf2dbg_convert_frag(), dwarf2dbg_convert_frag(), and dwarf2dbg_estimate_size_before_relax().

#define DWARF2_VERSION   2

Definition at line 93 of file dwarf2dbg.c.

#define INSERT_DIR_SEPARATOR (   string,
  offset 
)    string[offset] = '/'

Definition at line 69 of file dwarf2dbg.c.

Referenced by dwarf2_directive_loc().

#define INT_MAX   (int) (((unsigned) (-1)) >> 1)

Definition at line 42 of file dwarf2dbg.c.

#define MAX_SPECIAL_ADDR_DELTA   SPECIAL_ADDR(255)

Definition at line 160 of file dwarf2dbg.c.

#define SPECIAL_ADDR (   op)    (((op) - DWARF2_LINE_OPCODE_BASE)/DWARF2_LINE_RANGE)

Definition at line 157 of file dwarf2dbg.c.

#define SPECIAL_LINE (   op)    (((op) - DWARF2_LINE_OPCODE_BASE)%DWARF2_LINE_RANGE + DWARF2_LINE_BASE)

Definition at line 152 of file dwarf2dbg.c.

#define TC_DWARF2_EMIT_OFFSET   generic_dwarf2_emit_offset

Definition at line 230 of file dwarf2dbg.c.

Function Documentation

void dwarf2_consume_line_info ( void  )

Definition at line 433 of file dwarf2dbg.c.

References dwarf2_line_info::discriminator, DWARF2_FLAG_BASIC_BLOCK, DWARF2_FLAG_EPILOGUE_BEGIN, DWARF2_FLAG_PROLOGUE_END, dwarf2_loc_directive_seen, FALSE, dwarf2_line_info::flags, and NULL.

Referenced by dwarf2_emit_insn(), dwarf2_emit_label(), ia64_flush_insns(), md_assemble(), and md_assemble().

char* dwarf2_directive_file ( int dummy  ATTRIBUTE_UNUSED)

Definition at line 583 of file dwarf2dbg.c.

References _, _, as_bad(), as_bad(), DEBUG_NONE, demand_copy_C_string(), demand_empty_rest_of_line(), file_entry::filename, file_entry::filename, get_absolute_expression(), input_line_pointer, NULL, NULL, NULL, NULL, NULL, s_app_file(), and SKIP_WHITESPACE.

void dwarf2_directive_loc ( int dummy  ATTRIBUTE_UNUSED)

Definition at line 625 of file dwarf2dbg.c.

References _, _, _, _, _, _, alloca, as_bad(), as_bad(), as_bad(), as_bad(), as_bad(), as_bad(), c, c, c, c, c, c, c, c, dwarf2_line_info::column, DEBUG_NONE, demand_empty_rest_of_line(), dwarf2_line_info::discriminator, dwarf2_line_info::discriminator, DWARF2_FLAG_BASIC_BLOCK, DWARF2_FLAG_EPILOGUE_BEGIN, DWARF2_FLAG_IS_STMT, DWARF2_FLAG_IS_STMT, DWARF2_FLAG_PROLOGUE_END, dwarf2_loc_directive_seen, dwarf2_loc_directive_seen, dwarf2_line_info::filenum, dwarf2_line_info::flags, dwarf2_line_info::flags, dwarf2_line_info::flags, dwarf2_line_info::flags, dwarf2_line_info::flags, get_absolute_expression(), get_absolute_expression(), get_absolute_expression(), get_absolute_expression(), get_absolute_expression(), get_absolute_expression(), get_symbol_end(), input_line_pointer, input_line_pointer, input_line_pointer, input_line_pointer, input_line_pointer, input_line_pointer, input_line_pointer, input_line_pointer, input_line_pointer, input_line_pointer, INSERT_DIR_SEPARATOR, dwarf2_line_info::isa, ISALPHA, ISDIGIT, dwarf2_line_info::line, line, line, listing, listing_source_file(), listing_source_file(), listing_source_line(), memcpy, memcpy, SKIP_WHITESPACE, SKIP_WHITESPACE, SKIP_WHITESPACE, SKIP_WHITESPACE, strlen(), strlen(), and TRUE.

void dwarf2_directive_loc_mark_labels ( int dummy  ATTRIBUTE_UNUSED)

Definition at line 758 of file dwarf2dbg.c.

References _, as_bad(), demand_empty_rest_of_line(), dwarf2_loc_mark_labels, get_absolute_expression(), and ignore_rest_of_line().

void dwarf2_emit_insn ( int  size)

Definition at line 414 of file dwarf2dbg.c.

References DEBUG_DWARF2, dwarf2_consume_line_info(), dwarf2_gen_line_info(), dwarf2_loc_directive_seen, dwarf2_where(), and frag_now_fix().

Referenced by gas_cgen_finish_insn(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), md_assemble(), and md_assemble().

void dwarf2_emit_label ( symbolS *  label)

Definition at line 454 of file dwarf2dbg.c.

References bfd_get_section_flags, DEBUG_DWARF2, dwarf2_consume_line_info(), DWARF2_FLAG_BASIC_BLOCK, dwarf2_loc_mark_labels, dwarf2_where(), dwarf2_line_info::flags, now_seg, now_seg, S_GET_SEGMENT(), SEC_CODE, and stdoutput.

Referenced by aarch64_frob_label(), alpha_define_label(), arm_frob_label(), d10v_frob_label(), d30v_frob_label(), frv_frob_label(), m68k_frob_label(), mips_define_label(), pa_define_label(), sh_frob_label(), tic6x_frob_label(), and xtensa_frob_label().

void dwarf2_finish ( void  )

Definition at line 1816 of file dwarf2dbg.c.

References as_fatal(), bfd_get_section_by_name(), bfd_get_section_by_name(), bfd_set_section_flags(), bfd_set_section_flags(), bfd_set_section_flags(), bfd_set_section_flags(), bfd_set_section_flags(), DWARF2_ADDR_SIZE, ffs(), ffs(), gas_assert, line_subseg::head, line_seg::head, line_subseg::next, line_seg::next, line_seg::next, NULL, NULL, NULL, NULL, NULL, line_subseg::ptail, line_subseg::ptail, record_alignment(), record_alignment(), s, s, SEC_DEBUGGING, SEC_DEBUGGING, SEC_DEBUGGING, SEC_DEBUGGING, SEC_DEBUGGING, SEC_READONLY, SEC_READONLY, SEC_READONLY, SEC_READONLY, SEC_READONLY, seg_not_empty_p(), seg_not_empty_p(), stdoutput, stdoutput, stdoutput, stdoutput, stdoutput, stdoutput, stdoutput, stdoutput, subseg_new(), subseg_new(), subseg_new(), subseg_new(), and subseg_new().

Referenced by main().

void dwarf2_gen_line_info ( addressT  ofs,
struct dwarf2_line_info *  loc 
)

Definition at line 343 of file dwarf2dbg.c.

References DEBUG_DWARF2, dwarf2_line_info::filenum, dwarf2_line_info::filenum, dwarf2_line_info::filenum, frag_now, frag_now, dwarf2_line_info::line, dwarf2_line_info::line, dwarf2_line_info::line, line, linkrelax, name, now_seg, now_seg, symbol_new(), and symbol_temp_new().

Referenced by dwarf2_emit_insn(), and ia64_flush_insns().

void dwarf2_init ( void  )

Definition at line 1799 of file dwarf2dbg.c.

References hash_new().

Referenced by main().

void dwarf2_set_isa ( unsigned int  isa)

Definition at line 403 of file dwarf2dbg.c.

References dwarf2_line_info::isa.

void dwarf2_where ( struct dwarf2_line_info *  line)

Definition at line 383 of file dwarf2dbg.c.

References as_where(), dwarf2_line_info::column, DEBUG_DWARF2, dwarf2_line_info::discriminator, dwarf2_line_info::discriminator, DWARF2_FLAG_IS_STMT, dwarf2_line_info::filenum, dwarf2_line_info::flags, dwarf2_line_info::isa, dwarf2_line_info::isa, and dwarf2_line_info::line.

Referenced by dwarf2_emit_insn(), dwarf2_emit_label(), ia64_flush_insns(), md_assemble(), and md_assemble().

void dwarf2dbg_convert_frag ( fragS *  frag)

Definition at line 1239 of file dwarf2dbg.c.

References DWARF2_USE_FIXED_ADVANCE_PC, DWARF2_USE_FIXED_ADVANCE_PC, finalize_syms, finalize_syms, finalize_syms, frag::fr_fix, frag::fr_fix, frag::fr_fix, frag::fr_literal, frag::fr_literal, frag::fr_offset, frag::fr_offset, frag::fr_offset, frag::fr_subtype, frag::fr_subtype, frag::fr_subtype, frag::fr_subtype, frag::fr_symbol, frag::fr_symbol, frag::fr_type, frag::fr_var, frag::fr_var, gas_assert, resolve_symbol_value(), resolve_symbol_value(), and rs_fill.

int dwarf2dbg_estimate_size_before_relax ( fragS *  frag)

Definition at line 1203 of file dwarf2dbg.c.

References DWARF2_USE_FIXED_ADVANCE_PC, frag::fr_offset, frag::fr_offset, frag::fr_subtype, frag::fr_symbol, resolve_symbol_value(), size, size, and size.

Referenced by dwarf2dbg_relax_frag(), and relax_segment().

int dwarf2dbg_relax_frag ( fragS *  frag)

Definition at line 1224 of file dwarf2dbg.c.

References dwarf2dbg_estimate_size_before_relax(), and frag::fr_subtype.

Referenced by relax_segment().

Variable Documentation

bfd_boolean dwarf2_loc_directive_seen

Definition at line 207 of file dwarf2dbg.c.

Referenced by dwarf2_consume_line_info(), dwarf2_directive_loc(), dwarf2_directive_loc(), dwarf2_emit_insn(), and md_assemble().

bfd_boolean dwarf2_loc_mark_labels

Definition at line 211 of file dwarf2dbg.c.

Referenced by dwarf2_directive_loc_mark_labels(), dwarf2_emit_label(), and ia64_frob_label().