regValueNative

Returns a pointer to a register stored in a ThreadContext, preserving the pointer attributes of the context.

Function parameters

Parameters

thread_context_ptr:*std.debug.ThreadContext
reg_number:u8
reg_context:?RegisterContext

Type definitions in this namespace

Types

RegisterContext

Tells whether unwinding for this target is supported by the Dwarf standard.

Functions

supportsUnwinding: Tells whether unwinding for this target is supported by the Dwarf standard.
ipRegNum: Returns `null` for CPU architectures without an instruction pointer register.
fpRegNum
spRegNum
regBytes: Returns a slice containing the backing storage for `reg_number`.
regValueNative: Returns a pointer to a register stored in a ThreadContext, preserving the

Error sets in this namespace

Error Sets

RegBytesError

Source

Implementation

pub fn regValueNative(
    thread_context_ptr: *std.debug.ThreadContext,
    reg_number: u8,
    reg_context: ?RegisterContext,
) !*align(1) usize {
    const reg_bytes = try regBytes(thread_context_ptr, reg_number, reg_context);
    if (@sizeOf(usize) != reg_bytes.len) return error.IncompatibleRegisterSize;
    return mem.bytesAsValue(usize, reg_bytes[0..@sizeOf(usize)]);
}