struct Debug::DWARF::LineNumbers

Overview

DWARF Line Numbers parser. Supports DWARF versions 2, 3 and 4.

Usually located in the .debug_line section of ELF executables, or the __debug_line section of Mach-O files.

Documentation:

Defined in:

debug/dwarf/line_numbers.cr

Class Method Summary

Instance Method Summary

Instance methods inherited from struct Struct

==(other : self) : Bool ==, hash : Int32 hash, inspect(io : IO) : Nil inspect, pretty_print(pp) : Nil pretty_print, to_s(io) to_s

Instance methods inherited from struct Value

==(other) ==, dup dup

Instance methods inherited from class Object

!=(other) !=, !~(other) !~, ==(other) ==, ===(other : JSON::Any)
===(other : YAML::Any)
===(other)
===
, =~(other) =~, class class, dup dup, hash hash, inspect(io : IO)
inspect
inspect
, itself itself, not_nil! not_nil!, pretty_inspect(width = 79, newline = "\n", indent = 0) : String pretty_inspect, pretty_print(pp : PrettyPrint) : Nil pretty_print, tap(&block) tap, to_json(io : IO)
to_json
to_json
, to_pretty_json(indent : String = " ")
to_pretty_json(io : IO, indent : String = " ")
to_pretty_json
, to_s
to_s(io : IO)
to_s
, to_yaml(io : IO)
to_yaml
to_yaml
, try(&block) try

Class methods inherited from class Object

from_json(string_or_io, root : String) : self
from_json(string_or_io) : self
from_json
, from_yaml(string_or_io) : self from_yaml

Class Method Detail

def self.new(io : IO::FileDescriptor, size) #

[View source]

Instance Method Detail

def directories : Array(String) #

The array of indexed directory paths.


[View source]
def files : Array(String) #

The array of indexed file names.


[View source]
def find(address) #

Returns the Row for the given Program Counter (PC) address if found.


[View source]
def matrix : Array(Array(Row)) #

Matrix of decompressed Row to search line number informations from the address of an instruction.

The matrix contains indexed references to #directories and #files to reduce the memory usage of repeating a String many times.


[View source]