| Russ Cox | aac17fd | 2014-11-11 23:00:29 -0500 | [diff] [blame] | 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 | |
| 5 | package runtime |
| 6 | |
| 7 | import "unsafe" |
| 8 | |
| 9 | type sigctxt struct { |
| 10 | info *siginfo |
| 11 | ctxt unsafe.Pointer |
| 12 | } |
| 13 | |
| 14 | func (c *sigctxt) regs() *mcontext { return &(*ucontext)(c.ctxt).uc_mcontext } |
| 15 | func (c *sigctxt) r0() uint32 { return c.regs().__gregs[0] } |
| 16 | func (c *sigctxt) r1() uint32 { return c.regs().__gregs[1] } |
| 17 | func (c *sigctxt) r2() uint32 { return c.regs().__gregs[2] } |
| 18 | func (c *sigctxt) r3() uint32 { return c.regs().__gregs[3] } |
| 19 | func (c *sigctxt) r4() uint32 { return c.regs().__gregs[4] } |
| 20 | func (c *sigctxt) r5() uint32 { return c.regs().__gregs[5] } |
| 21 | func (c *sigctxt) r6() uint32 { return c.regs().__gregs[6] } |
| 22 | func (c *sigctxt) r7() uint32 { return c.regs().__gregs[7] } |
| 23 | func (c *sigctxt) r8() uint32 { return c.regs().__gregs[8] } |
| 24 | func (c *sigctxt) r9() uint32 { return c.regs().__gregs[9] } |
| 25 | func (c *sigctxt) r10() uint32 { return c.regs().__gregs[10] } |
| 26 | func (c *sigctxt) fp() uint32 { return c.regs().__gregs[11] } |
| 27 | func (c *sigctxt) ip() uint32 { return c.regs().__gregs[12] } |
| 28 | func (c *sigctxt) sp() uint32 { return c.regs().__gregs[13] } |
| 29 | func (c *sigctxt) lr() uint32 { return c.regs().__gregs[14] } |
| 30 | func (c *sigctxt) pc() uint32 { return c.regs().__gregs[15] } |
| 31 | func (c *sigctxt) cpsr() uint32 { return c.regs().__gregs[16] } |
| 32 | func (c *sigctxt) fault() uint32 { return uint32(c.info.si_addr) } |
| 33 | func (c *sigctxt) trap() uint32 { return 0 } |
| 34 | func (c *sigctxt) error() uint32 { return 0 } |
| 35 | func (c *sigctxt) oldmask() uint32 { return 0 } |
| 36 | |
| 37 | func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) } |
| 38 | func (c *sigctxt) sigaddr() uint32 { return uint32(c.info.si_addr) } |
| 39 | |
| 40 | func (c *sigctxt) set_pc(x uint32) { c.regs().__gregs[15] = x } |
| 41 | func (c *sigctxt) set_sp(x uint32) { c.regs().__gregs[13] = x } |
| 42 | func (c *sigctxt) set_lr(x uint32) { c.regs().__gregs[14] = x } |
| 43 | func (c *sigctxt) set_r10(x uint32) { c.regs().__gregs[10] = x } |
| 44 | |
| 45 | func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) } |
| 46 | func (c *sigctxt) set_sigaddr(x uint32) { |
| 47 | c.info.si_addr = uintptr(x) |
| 48 | } |
