Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/src/runtime/signal_openbsd_arm.go b/src/runtime/signal_openbsd_arm.go
new file mode 100644
index 0000000..f796550
--- /dev/null
+++ b/src/runtime/signal_openbsd_arm.go
@@ -0,0 +1,59 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package runtime
+
+import "unsafe"
+
+type sigctxt struct {
+	info *siginfo
+	ctxt unsafe.Pointer
+}
+
+//go:nosplit
+//go:nowritebarrierrec
+func (c *sigctxt) regs() *sigcontext {
+	return (*sigcontext)(c.ctxt)
+}
+
+func (c *sigctxt) r0() uint32  { return c.regs().sc_r0 }
+func (c *sigctxt) r1() uint32  { return c.regs().sc_r1 }
+func (c *sigctxt) r2() uint32  { return c.regs().sc_r2 }
+func (c *sigctxt) r3() uint32  { return c.regs().sc_r3 }
+func (c *sigctxt) r4() uint32  { return c.regs().sc_r4 }
+func (c *sigctxt) r5() uint32  { return c.regs().sc_r5 }
+func (c *sigctxt) r6() uint32  { return c.regs().sc_r6 }
+func (c *sigctxt) r7() uint32  { return c.regs().sc_r7 }
+func (c *sigctxt) r8() uint32  { return c.regs().sc_r8 }
+func (c *sigctxt) r9() uint32  { return c.regs().sc_r9 }
+func (c *sigctxt) r10() uint32 { return c.regs().sc_r10 }
+func (c *sigctxt) fp() uint32  { return c.regs().sc_r11 }
+func (c *sigctxt) ip() uint32  { return c.regs().sc_r12 }
+func (c *sigctxt) sp() uint32  { return c.regs().sc_usr_sp }
+func (c *sigctxt) lr() uint32  { return c.regs().sc_usr_lr }
+
+//go:nosplit
+//go:nowritebarrierrec
+func (c *sigctxt) pc() uint32 { return c.regs().sc_pc }
+
+func (c *sigctxt) cpsr() uint32    { return c.regs().sc_spsr }
+func (c *sigctxt) fault() uintptr  { return uintptr(c.sigaddr()) }
+func (c *sigctxt) trap() uint32    { return 0 }
+func (c *sigctxt) error() uint32   { return 0 }
+func (c *sigctxt) oldmask() uint32 { return 0 }
+
+func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
+func (c *sigctxt) sigaddr() uint32 {
+	return *(*uint32)(add(unsafe.Pointer(c.info), 16))
+}
+
+func (c *sigctxt) set_pc(x uint32)  { c.regs().sc_pc = x }
+func (c *sigctxt) set_sp(x uint32)  { c.regs().sc_usr_sp = x }
+func (c *sigctxt) set_lr(x uint32)  { c.regs().sc_usr_lr = x }
+func (c *sigctxt) set_r10(x uint32) { c.regs().sc_r10 = x }
+
+func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
+func (c *sigctxt) set_sigaddr(x uint32) {
+	*(*uint32)(add(unsafe.Pointer(c.info), 16)) = x
+}