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// SPDX-License-Identifier: MPL-2.0
// (c) Hare authors <https://harelang.org>
use rt;
// Returns the stack pointer from a ucontext.
fn uctx_sp(uctx: *opaque) uintptr = {
const uctx = uctx: *rt::ucontext_t;
return uctx.uc_mcontext.sc_regs.sp: uintptr;
};
// Returns the instruction pointer from a ucontext.
fn uctx_ip(uctx: *opaque) uintptr = {
const uctx = uctx: *rt::ucontext_t;
return uctx.uc_mcontext.sc_regs.pc: uintptr;
};
// Returns the current call frame from a ucontext.
fn uctx_frame(uctx: *opaque) stackframe = {
const uctx = uctx: *rt::ucontext_t;
return *(uctx.uc_mcontext.sc_regs.s0: uintptr: *stackframe);
};
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