Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 58 insertions, 0 deletions

diff --git a/src/runtime/signal_linux_arm.go b/src/runtime/signal_linux_arm.go
new file mode 100644
index 0000000..eb107d6
--- /dev/null
+++ b/src/runtime/signal_linux_arm.go
@@ -0,0 +1,58 @@
+// 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 (
+	"internal/goarch"
+	"unsafe"
+)
+
+type sigctxt struct {
+	info *siginfo
+	ctxt unsafe.Pointer
+}
+
+//go:nosplit
+//go:nowritebarrierrec
+func (c *sigctxt) regs() *sigcontext { return &(*ucontext)(c.ctxt).uc_mcontext }
+
+func (c *sigctxt) r0() uint32  { return c.regs().r0 }
+func (c *sigctxt) r1() uint32  { return c.regs().r1 }
+func (c *sigctxt) r2() uint32  { return c.regs().r2 }
+func (c *sigctxt) r3() uint32  { return c.regs().r3 }
+func (c *sigctxt) r4() uint32  { return c.regs().r4 }
+func (c *sigctxt) r5() uint32  { return c.regs().r5 }
+func (c *sigctxt) r6() uint32  { return c.regs().r6 }
+func (c *sigctxt) r7() uint32  { return c.regs().r7 }
+func (c *sigctxt) r8() uint32  { return c.regs().r8 }
+func (c *sigctxt) r9() uint32  { return c.regs().r9 }
+func (c *sigctxt) r10() uint32 { return c.regs().r10 }
+func (c *sigctxt) fp() uint32  { return c.regs().fp }
+func (c *sigctxt) ip() uint32  { return c.regs().ip }
+func (c *sigctxt) sp() uint32  { return c.regs().sp }
+func (c *sigctxt) lr() uint32  { return c.regs().lr }
+
+//go:nosplit
+//go:nowritebarrierrec
+func (c *sigctxt) pc() uint32 { return c.regs().pc }
+
+func (c *sigctxt) cpsr() uint32    { return c.regs().cpsr }
+func (c *sigctxt) fault() uintptr  { return uintptr(c.regs().fault_address) }
+func (c *sigctxt) trap() uint32    { return c.regs().trap_no }
+func (c *sigctxt) error() uint32   { return c.regs().error_code }
+func (c *sigctxt) oldmask() uint32 { return c.regs().oldmask }
+
+func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
+func (c *sigctxt) sigaddr() uint32 { return c.info.si_addr }
+
+func (c *sigctxt) set_pc(x uint32)  { c.regs().pc = x }
+func (c *sigctxt) set_sp(x uint32)  { c.regs().sp = x }
+func (c *sigctxt) set_lr(x uint32)  { c.regs().lr = x }
+func (c *sigctxt) set_r10(x uint32) { c.regs().r10 = x }
+
+func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
+func (c *sigctxt) set_sigaddr(x uint32) {
+	*(*uintptr)(add(unsafe.Pointer(c.info), 2*goarch.PtrSize)) = uintptr(x)
+}