69 lines
1.7 KiB
Rust
69 lines
1.7 KiB
Rust
#[doc = "Unsafe debugging functions for inspecting values."];
|
|
|
|
import unsafe::reinterpret_cast;
|
|
|
|
export debug_tydesc;
|
|
export debug_opaque;
|
|
export debug_box;
|
|
export debug_tag;
|
|
export debug_fn;
|
|
export ptr_cast;
|
|
export breakpoint;
|
|
|
|
#[abi = "cdecl"]
|
|
extern mod rustrt {
|
|
fn debug_tydesc(td: *sys::type_desc);
|
|
fn debug_opaque(td: *sys::type_desc, x: *());
|
|
fn debug_box(td: *sys::type_desc, x: *());
|
|
fn debug_tag(td: *sys::type_desc, x: *());
|
|
fn debug_fn(td: *sys::type_desc, x: *());
|
|
fn debug_ptrcast(td: *sys::type_desc, x: *()) -> *();
|
|
fn rust_dbg_breakpoint();
|
|
}
|
|
|
|
fn debug_tydesc<T>() {
|
|
rustrt::debug_tydesc(sys::get_type_desc::<T>());
|
|
}
|
|
|
|
fn debug_opaque<T>(x: T) {
|
|
rustrt::debug_opaque(sys::get_type_desc::<T>(), ptr::addr_of(x) as *());
|
|
}
|
|
|
|
fn debug_box<T>(x: @T) {
|
|
rustrt::debug_box(sys::get_type_desc::<T>(), ptr::addr_of(x) as *());
|
|
}
|
|
|
|
fn debug_tag<T>(x: T) {
|
|
rustrt::debug_tag(sys::get_type_desc::<T>(), ptr::addr_of(x) as *());
|
|
}
|
|
|
|
fn debug_fn<T>(x: T) {
|
|
rustrt::debug_fn(sys::get_type_desc::<T>(), ptr::addr_of(x) as *());
|
|
}
|
|
|
|
unsafe fn ptr_cast<T, U>(x: @T) -> @U {
|
|
reinterpret_cast(
|
|
rustrt::debug_ptrcast(sys::get_type_desc::<T>(),
|
|
reinterpret_cast(x)))
|
|
}
|
|
|
|
#[doc = "Triggers a debugger breakpoint"]
|
|
fn breakpoint() {
|
|
rustrt::rust_dbg_breakpoint();
|
|
}
|
|
|
|
#[test]
|
|
fn test_breakpoint_should_not_abort_process_when_not_under_gdb() {
|
|
// Triggering a breakpoint involves raising SIGTRAP, which terminates
|
|
// the process under normal circumstances
|
|
breakpoint();
|
|
}
|
|
|
|
// Local Variables:
|
|
// mode: rust;
|
|
// fill-column: 78;
|
|
// indent-tabs-mode: nil
|
|
// c-basic-offset: 4
|
|
// buffer-file-coding-system: utf-8-unix
|
|
// End:
|