Source file src/runtime/signal_openbsd_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() *sigcontext {
    17		return (*sigcontext)(c.ctxt)
    18	}
    19	
    20	func (c *sigctxt) r0() uint32  { return c.regs().sc_r0 }
    21	func (c *sigctxt) r1() uint32  { return c.regs().sc_r1 }
    22	func (c *sigctxt) r2() uint32  { return c.regs().sc_r2 }
    23	func (c *sigctxt) r3() uint32  { return c.regs().sc_r3 }
    24	func (c *sigctxt) r4() uint32  { return c.regs().sc_r4 }
    25	func (c *sigctxt) r5() uint32  { return c.regs().sc_r5 }
    26	func (c *sigctxt) r6() uint32  { return c.regs().sc_r6 }
    27	func (c *sigctxt) r7() uint32  { return c.regs().sc_r7 }
    28	func (c *sigctxt) r8() uint32  { return c.regs().sc_r8 }
    29	func (c *sigctxt) r9() uint32  { return c.regs().sc_r9 }
    30	func (c *sigctxt) r10() uint32 { return c.regs().sc_r10 }
    31	func (c *sigctxt) fp() uint32  { return c.regs().sc_r11 }
    32	func (c *sigctxt) ip() uint32  { return c.regs().sc_r12 }
    33	func (c *sigctxt) sp() uint32  { return c.regs().sc_usr_sp }
    34	func (c *sigctxt) lr() uint32  { return c.regs().sc_usr_lr }
    35	
    36	//go:nosplit
    37	//go:nowritebarrierrec
    38	func (c *sigctxt) pc() uint32 { return c.regs().sc_pc }
    39	
    40	func (c *sigctxt) cpsr() uint32    { return c.regs().sc_spsr }
    41	func (c *sigctxt) fault() uintptr  { return uintptr(c.sigaddr()) }
    42	func (c *sigctxt) trap() uint32    { return 0 }
    43	func (c *sigctxt) error() uint32   { return 0 }
    44	func (c *sigctxt) oldmask() uint32 { return 0 }
    45	
    46	func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
    47	func (c *sigctxt) sigaddr() uint32 {
    48		return *(*uint32)(add(unsafe.Pointer(c.info), 16))
    49	}
    50	
    51	func (c *sigctxt) set_pc(x uint32)  { c.regs().sc_pc = x }
    52	func (c *sigctxt) set_sp(x uint32)  { c.regs().sc_usr_sp = x }
    53	func (c *sigctxt) set_lr(x uint32)  { c.regs().sc_usr_lr = x }
    54	func (c *sigctxt) set_r10(x uint32) { c.regs().sc_r10 = x }
    55	
    56	func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
    57	func (c *sigctxt) set_sigaddr(x uint32) {
    58		*(*uint32)(add(unsafe.Pointer(c.info), 16)) = x
    59	}
    60	

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