Source file src/runtime/signal_linux_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 (
     8		"runtime/internal/sys"
     9		"unsafe"
    10	)
    11	
    12	type sigctxt struct {
    13		info *siginfo
    14		ctxt unsafe.Pointer
    15	}
    16	
    17	//go:nosplit
    18	//go:nowritebarrierrec
    19	func (c *sigctxt) regs() *sigcontext { return &(*ucontext)(c.ctxt).uc_mcontext }
    20	
    21	func (c *sigctxt) r0() uint32  { return c.regs().r0 }
    22	func (c *sigctxt) r1() uint32  { return c.regs().r1 }
    23	func (c *sigctxt) r2() uint32  { return c.regs().r2 }
    24	func (c *sigctxt) r3() uint32  { return c.regs().r3 }
    25	func (c *sigctxt) r4() uint32  { return c.regs().r4 }
    26	func (c *sigctxt) r5() uint32  { return c.regs().r5 }
    27	func (c *sigctxt) r6() uint32  { return c.regs().r6 }
    28	func (c *sigctxt) r7() uint32  { return c.regs().r7 }
    29	func (c *sigctxt) r8() uint32  { return c.regs().r8 }
    30	func (c *sigctxt) r9() uint32  { return c.regs().r9 }
    31	func (c *sigctxt) r10() uint32 { return c.regs().r10 }
    32	func (c *sigctxt) fp() uint32  { return c.regs().fp }
    33	func (c *sigctxt) ip() uint32  { return c.regs().ip }
    34	func (c *sigctxt) sp() uint32  { return c.regs().sp }
    35	func (c *sigctxt) lr() uint32  { return c.regs().lr }
    36	
    37	//go:nosplit
    38	//go:nowritebarrierrec
    39	func (c *sigctxt) pc() uint32 { return c.regs().pc }
    40	
    41	func (c *sigctxt) cpsr() uint32    { return c.regs().cpsr }
    42	func (c *sigctxt) fault() uintptr  { return uintptr(c.regs().fault_address) }
    43	func (c *sigctxt) trap() uint32    { return c.regs().trap_no }
    44	func (c *sigctxt) error() uint32   { return c.regs().error_code }
    45	func (c *sigctxt) oldmask() uint32 { return c.regs().oldmask }
    46	
    47	func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
    48	func (c *sigctxt) sigaddr() uint32 { return c.info.si_addr }
    49	
    50	func (c *sigctxt) set_pc(x uint32)  { c.regs().pc = x }
    51	func (c *sigctxt) set_sp(x uint32)  { c.regs().sp = x }
    52	func (c *sigctxt) set_lr(x uint32)  { c.regs().lr = x }
    53	func (c *sigctxt) set_r10(x uint32) { c.regs().r10 = x }
    54	
    55	func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
    56	func (c *sigctxt) set_sigaddr(x uint32) {
    57		*(*uintptr)(add(unsafe.Pointer(c.info), 2*sys.PtrSize)) = uintptr(x)
    58	}
    59	

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