Struct gimli::DebugLine

pub struct DebugLine<'input, Endian> where
    Endian: Endianity,  { /* fields omitted */ }

The DebugLine struct contains the source location to instruction mapping found in the .debug_line section.

Methods

impl<'input, Endian> DebugLine<'input, Endian> where
    Endian: Endianity, 

fn new(debug_line_section: &'input [u8]) -> DebugLine<'input, Endian>

Construct a new DebugLine instance from the data in the .debug_line section.

It is the caller's responsibility to read the .debug_line section and present it as a &[u8] slice. That means using some ELF loader on Linux, a Mach-O loader on OSX, etc.

use gimli::{DebugLine, LittleEndian};

let debug_line = DebugLine::<LittleEndian>::new(read_debug_line_section_somehow());

fn program(
    &self,
    offset: DebugLineOffset,
    address_size: u8,
    comp_dir: Option<&'input CStr>,
    comp_name: Option<&'input CStr>
) -> Result<IncompleteLineNumberProgram<'input, Endian>>

Parse the line number program whose header is at the given offset in the .debug_line section.

The address_size must match the compilation unit that the lines apply to. The comp_dir should be from the DW_AT_comp_dir attribute of the compilation unit. The comp_name should be from the DW_AT_name attribute of the compilation unit.

use gimli::{DebugLine, DebugLineOffset, IncompleteLineNumberProgram, LittleEndian};

let debug_line = DebugLine::<LittleEndian>::new(read_debug_line_section_somehow());

// In a real example, we'd grab the offset via a compilation unit
// entry's `DW_AT_stmt_list` attribute, and the address size from that
// unit directly.
let offset = DebugLineOffset(0);
let address_size = 8;

let program = debug_line.program(offset, address_size, None, None)
    .expect("should have found a header at that offset, and parsed it OK");

Trait Implementations

impl<'input, Endian: Debug> Debug for DebugLine<'input, Endian> where
    Endian: Endianity, 

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<'input, Endian: Clone> Clone for DebugLine<'input, Endian> where
    Endian: Endianity, 

fn clone(&self) -> DebugLine<'input, Endian>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'input, Endian: Copy> Copy for DebugLine<'input, Endian> where
    Endian: Endianity, 

impl<'input, Endian> Section<'input> for DebugLine<'input, Endian> where
    Endian: Endianity, 

fn section_name() -> &'static str

Returns the ELF section name for this type.

impl<'input, Endian> From<&'input [u8]> for DebugLine<'input, Endian> where
    Endian: Endianity, 

fn from(v: &'input [u8]) -> Self

Performs the conversion.