Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 51 insertions, 0 deletions

diff --git a/src/runtime/signal_dragonfly_amd64.go b/src/runtime/signal_dragonfly_amd64.go
new file mode 100644
index 0000000..c473edd
--- /dev/null
+++ b/src/runtime/signal_dragonfly_amd64.go
@@ -0,0 +1,51 @@
+// 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() *mcontext {
+	return (*mcontext)(unsafe.Pointer(&(*ucontext)(c.ctxt).uc_mcontext))
+}
+
+func (c *sigctxt) rax() uint64 { return c.regs().mc_rax }
+func (c *sigctxt) rbx() uint64 { return c.regs().mc_rbx }
+func (c *sigctxt) rcx() uint64 { return c.regs().mc_rcx }
+func (c *sigctxt) rdx() uint64 { return c.regs().mc_rdx }
+func (c *sigctxt) rdi() uint64 { return c.regs().mc_rdi }
+func (c *sigctxt) rsi() uint64 { return c.regs().mc_rsi }
+func (c *sigctxt) rbp() uint64 { return c.regs().mc_rbp }
+func (c *sigctxt) rsp() uint64 { return c.regs().mc_rsp }
+func (c *sigctxt) r8() uint64  { return c.regs().mc_r8 }
+func (c *sigctxt) r9() uint64  { return c.regs().mc_r9 }
+func (c *sigctxt) r10() uint64 { return c.regs().mc_r10 }
+func (c *sigctxt) r11() uint64 { return c.regs().mc_r11 }
+func (c *sigctxt) r12() uint64 { return c.regs().mc_r12 }
+func (c *sigctxt) r13() uint64 { return c.regs().mc_r13 }
+func (c *sigctxt) r14() uint64 { return c.regs().mc_r14 }
+func (c *sigctxt) r15() uint64 { return c.regs().mc_r15 }
+
+//go:nosplit
+//go:nowritebarrierrec
+func (c *sigctxt) rip() uint64 { return c.regs().mc_rip }
+
+func (c *sigctxt) rflags() uint64  { return c.regs().mc_rflags }
+func (c *sigctxt) cs() uint64      { return c.regs().mc_cs }
+func (c *sigctxt) fs() uint64      { return c.regs().mc_ss }
+func (c *sigctxt) gs() uint64      { return c.regs().mc_ss }
+func (c *sigctxt) sigcode() uint64 { return uint64(c.info.si_code) }
+func (c *sigctxt) sigaddr() uint64 { return c.info.si_addr }
+
+func (c *sigctxt) set_rip(x uint64)     { c.regs().mc_rip = x }
+func (c *sigctxt) set_rsp(x uint64)     { c.regs().mc_rsp = x }
+func (c *sigctxt) set_sigcode(x uint64) { c.info.si_code = int32(x) }
+func (c *sigctxt) set_sigaddr(x uint64) { c.info.si_addr = x }