Struct SFrameFDE 

pub struct SFrameFDE {
    pub func_start_offset: i64,
    pub func_size: u32,
    pub func_start_fre_off: u32,
    pub func_num_fres: u16,
    pub func_info: SFrameFDEInfo,
    pub func_info2: SFrameFDEInfo2,
    pub func_rep_size: u8,
    /* private fields */
}

SFrame FDE

Ref: https://sourceware.org/binutils/docs-2.46/sframe-spec.html#SFrame-Function-Descriptor-Entries

Fields

func_start_offset: i64

Signed 64-bit integral field specifying the offset to the start address of the described function. If the flag SFRAME_F_FDE_FUNC_START_PCREL, See SFrame Flags, in the SFrame header is set, the value encoded in the sfdi_func_start_offset field is the offset in bytes to the function’s start address from the sfdi_func_start_offset field itself. Otherwise, it is the offset in bytes from the start of the SFrame section.

func_size: u32

Unsigned 32-bit integral field specifying the size of the function in bytes.

func_start_fre_off: u32

Unsigned 32-bit integral field specifying the offset to the start of the function’s stack trace data (SFrame FREs). This offset is relative to the beginning of the SFrame FRE sub-section.

func_num_fres: u16

Unsigned 16-bit integral field specifying the total number of SFrame FREs used for the function.

func_info: SFrameFDEInfo

Unsigned 8-bit integral field specifying the SFrame FDE info word. See The SFrame FDE Info Word.

func_info2: SFrameFDEInfo2

Additional unsigned 8-bit integral field specifying the SFrame FDE info byte.

func_rep_size: u8

Unsigned 8-bit integral field specifying the size of the repetitive code block for which an SFrame FDE of type SFRAME_FDE_PCTYPE_MASK is used. For example, in AMD64, the size of a pltN entry is 16 bytes.

Implementations

impl SFrameFDE

pub fn get_fde_type(&self) -> SFrameResult<SFrameFDEType>

Get the FDE type (Default or Flex)

pub fn get_pc(&self, section: &SFrameSection<'_>) -> u64

Compute pc of the function

pub fn iter_fre<'a>( &'a self, section: &'a SFrameSection<'a>, ) -> SFrameFREIterator<'a>

Iterate FRE entries

pub fn find_fre( &self, section: &SFrameSection<'_>, pc: u64, ) -> SFrameResult<Option<SFrameFRE>>

Find FRE entry by pc

Trait Implementations

impl Clone for SFrameFDE

fn clone(&self) -> SFrameFDE

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SFrameFDE

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for SFrameFDE