Initial commit: Go 1.23 release state

src/runtime/signal_netbsd_386.go

@@ -0,0 +1,45 @@
+// 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() *mcontextt { return &(*ucontextt)(c.ctxt).uc_mcontext }
+
+func (c *sigctxt) eax() uint32 { return c.regs().__gregs[_REG_EAX] }
+func (c *sigctxt) ebx() uint32 { return c.regs().__gregs[_REG_EBX] }
+func (c *sigctxt) ecx() uint32 { return c.regs().__gregs[_REG_ECX] }
+func (c *sigctxt) edx() uint32 { return c.regs().__gregs[_REG_EDX] }
+func (c *sigctxt) edi() uint32 { return c.regs().__gregs[_REG_EDI] }
+func (c *sigctxt) esi() uint32 { return c.regs().__gregs[_REG_ESI] }
+func (c *sigctxt) ebp() uint32 { return c.regs().__gregs[_REG_EBP] }
+func (c *sigctxt) esp() uint32 { return c.regs().__gregs[_REG_UESP] }
+
+//go:nosplit
+//go:nowritebarrierrec
+func (c *sigctxt) eip() uint32 { return c.regs().__gregs[_REG_EIP] }
+
+func (c *sigctxt) eflags() uint32  { return c.regs().__gregs[_REG_EFL] }
+func (c *sigctxt) cs() uint32      { return c.regs().__gregs[_REG_CS] }
+func (c *sigctxt) fs() uint32      { return c.regs().__gregs[_REG_FS] }
+func (c *sigctxt) gs() uint32      { return c.regs().__gregs[_REG_GS] }
+func (c *sigctxt) sigcode() uint32 { return uint32(c.info._code) }
+func (c *sigctxt) sigaddr() uint32 {
+	return *(*uint32)(unsafe.Pointer(&c.info._reason[0]))
+}
+
+func (c *sigctxt) set_eip(x uint32)     { c.regs().__gregs[_REG_EIP] = x }
+func (c *sigctxt) set_esp(x uint32)     { c.regs().__gregs[_REG_UESP] = x }
+func (c *sigctxt) set_sigcode(x uint32) { c.info._code = int32(x) }
+func (c *sigctxt) set_sigaddr(x uint32) {
+	*(*uint32)(unsafe.Pointer(&c.info._reason[0])) = x
+}