/**********************************************************************
* Switches to the C-stack and invokes |fn_ptr|, passing |args| as argument.
* This is used by the C compiler to call native functions and by other
* upcalls to switch to the C stack. The return value is passed through a
* field in the args parameter. This upcall is specifically for switching
* to the shim functions generated by rustc.
*/
extern "C" CDECL void
upcall_call_shim_on_c_stack(void *args, void *fn_ptr) {
rust_task *task = rust_task_thread::get_task();
// FIXME (1226) - The shim functions generated by rustc contain the
// morestack prologue, so we need to let them know they have enough
// stack.
record_sp(0);
try {
task->call_on_c_stack(args, fn_ptr);
} catch (...) {
LOG_ERR(task, task, "Native code threw an exception");
abort();
}
task->record_stack_limit();
}
/**
* Switches to the C-stack and invokes |fn_ptr|, passing |args| as argument.
* This is used by the C compiler to call native functions and by other
* upcalls to switch to the C stack.
*/
extern "C" CDECL void
upcall_call_shim_on_c_stack(void *args, void *fn_ptr) {
rust_task *task = rust_scheduler::get_task();
// FIXME (1226) - The shim functions generated by rustc contain the
// morestack prologue, so we need to let them know they have enough
// stack.
record_sp(0);
rust_scheduler *sched = task->sched;
try {
sched->c_context.call_shim_on_c_stack(args, fn_ptr);
} catch (...) {
task = rust_scheduler::get_task();
task->record_stack_limit();
throw;
}
task = rust_scheduler::get_task();
task->record_stack_limit();
}
