Jeremy Soller
46 lines
1.2 KiB
Rust
46 lines
1.2 KiB
Rust
//! dl-tls implementation for Redox
|
|
|
|
use ld_so::tcb::Tcb;
|
|
use platform::types::*;
|
|
|
|
#[repr(C)]
|
|
pub struct dl_tls_index {
|
|
pub ti_module: u64,
|
|
pub ti_offset: u64,
|
|
}
|
|
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn __tls_get_addr(ti: *mut dl_tls_index) -> *mut c_void {
|
|
trace!(
|
|
"__tls_get_addr({:p}: {:#x}, {:#x})",
|
|
ti,
|
|
(*ti).ti_module,
|
|
(*ti).ti_offset
|
|
);
|
|
if let Some(tcb) = Tcb::current() {
|
|
if let Some(tls) = tcb.tls() {
|
|
if let Some(masters) = tcb.masters() {
|
|
if let Some(master) = masters.get((*ti).ti_module as usize) {
|
|
let addr = tls
|
|
.as_mut_ptr()
|
|
.add(master.offset + (*ti).ti_offset as usize);
|
|
trace!(
|
|
"__tls_get_addr({:p}: {:#x}, {:#x}) = {:p}",
|
|
ti,
|
|
(*ti).ti_module,
|
|
(*ti).ti_offset,
|
|
addr
|
|
);
|
|
return addr as *mut c_void;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
panic!(
|
|
"__tls_get_addr({:p}: {:#x}, {:#x}) failed",
|
|
ti,
|
|
(*ti).ti_module,
|
|
(*ti).ti_offset
|
|
);
|
|
}
|