Source file src/runtime/signal_freebsd_arm.go

     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	//go:nosplit
    15	//go:nowritebarrierrec
    16	func (c *sigctxt) regs() *mcontext { return &(*ucontext)(c.ctxt).uc_mcontext }
    17	
    18	func (c *sigctxt) r0() uint32  { return c.regs().__gregs[0] }
    19	func (c *sigctxt) r1() uint32  { return c.regs().__gregs[1] }
    20	func (c *sigctxt) r2() uint32  { return c.regs().__gregs[2] }
    21	func (c *sigctxt) r3() uint32  { return c.regs().__gregs[3] }
    22	func (c *sigctxt) r4() uint32  { return c.regs().__gregs[4] }
    23	func (c *sigctxt) r5() uint32  { return c.regs().__gregs[5] }
    24	func (c *sigctxt) r6() uint32  { return c.regs().__gregs[6] }
    25	func (c *sigctxt) r7() uint32  { return c.regs().__gregs[7] }
    26	func (c *sigctxt) r8() uint32  { return c.regs().__gregs[8] }
    27	func (c *sigctxt) r9() uint32  { return c.regs().__gregs[9] }
    28	func (c *sigctxt) r10() uint32 { return c.regs().__gregs[10] }
    29	func (c *sigctxt) fp() uint32  { return c.regs().__gregs[11] }
    30	func (c *sigctxt) ip() uint32  { return c.regs().__gregs[12] }
    31	func (c *sigctxt) sp() uint32  { return c.regs().__gregs[13] }
    32	func (c *sigctxt) lr() uint32  { return c.regs().__gregs[14] }
    33	
    34	//go:nosplit
    35	//go:nowritebarrierrec
    36	func (c *sigctxt) pc() uint32 { return c.regs().__gregs[15] }
    37	
    38	func (c *sigctxt) cpsr() uint32    { return c.regs().__gregs[16] }
    39	func (c *sigctxt) fault() uintptr  { return uintptr(c.info.si_addr) }
    40	func (c *sigctxt) trap() uint32    { return 0 }
    41	func (c *sigctxt) error() uint32   { return 0 }
    42	func (c *sigctxt) oldmask() uint32 { return 0 }
    43	
    44	func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
    45	func (c *sigctxt) sigaddr() uint32 { return uint32(c.info.si_addr) }
    46	
    47	func (c *sigctxt) set_pc(x uint32)  { c.regs().__gregs[15] = x }
    48	func (c *sigctxt) set_sp(x uint32)  { c.regs().__gregs[13] = x }
    49	func (c *sigctxt) set_lr(x uint32)  { c.regs().__gregs[14] = x }
    50	func (c *sigctxt) set_r10(x uint32) { c.regs().__gregs[10] = x }
    51	
    52	func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
    53	func (c *sigctxt) set_sigaddr(x uint32) {
    54		c.info.si_addr = uintptr(x)
    55	}
    56	

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