1// Copyright 2013 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package runtime 6 7import "unsafe" 8 9type sigctxt struct { 10 info *siginfo 11 ctxt unsafe.Pointer 12} 13 14//go:nosplit 15//go:nowritebarrierrec 16func (c *sigctxt) regs() *mcontext { return &(*ucontext)(c.ctxt).uc_mcontext } 17 18func (c *sigctxt) r0() uint32 { return c.regs().__gregs[0] } 19func (c *sigctxt) r1() uint32 { return c.regs().__gregs[1] } 20func (c *sigctxt) r2() uint32 { return c.regs().__gregs[2] } 21func (c *sigctxt) r3() uint32 { return c.regs().__gregs[3] } 22func (c *sigctxt) r4() uint32 { return c.regs().__gregs[4] } 23func (c *sigctxt) r5() uint32 { return c.regs().__gregs[5] } 24func (c *sigctxt) r6() uint32 { return c.regs().__gregs[6] } 25func (c *sigctxt) r7() uint32 { return c.regs().__gregs[7] } 26func (c *sigctxt) r8() uint32 { return c.regs().__gregs[8] } 27func (c *sigctxt) r9() uint32 { return c.regs().__gregs[9] } 28func (c *sigctxt) r10() uint32 { return c.regs().__gregs[10] } 29func (c *sigctxt) fp() uint32 { return c.regs().__gregs[11] } 30func (c *sigctxt) ip() uint32 { return c.regs().__gregs[12] } 31func (c *sigctxt) sp() uint32 { return c.regs().__gregs[13] } 32func (c *sigctxt) lr() uint32 { return c.regs().__gregs[14] } 33 34//go:nosplit 35//go:nowritebarrierrec 36func (c *sigctxt) pc() uint32 { return c.regs().__gregs[15] } 37 38func (c *sigctxt) cpsr() uint32 { return c.regs().__gregs[16] } 39func (c *sigctxt) fault() uintptr { return uintptr(c.info.si_addr) } 40func (c *sigctxt) trap() uint32 { return 0 } 41func (c *sigctxt) error() uint32 { return 0 } 42func (c *sigctxt) oldmask() uint32 { return 0 } 43 44func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) } 45func (c *sigctxt) sigaddr() uint32 { return uint32(c.info.si_addr) } 46 47func (c *sigctxt) set_pc(x uint32) { c.regs().__gregs[15] = x } 48func (c *sigctxt) set_sp(x uint32) { c.regs().__gregs[13] = x } 49func (c *sigctxt) set_lr(x uint32) { c.regs().__gregs[14] = x } 50func (c *sigctxt) set_r10(x uint32) { c.regs().__gregs[10] = x } 51 52func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) } 53func (c *sigctxt) set_sigaddr(x uint32) { 54 c.info.si_addr = uintptr(x) 55} 56