github.com/aloncn/graphics-go@v0.0.1/src/runtime/signal_openbsd_arm.go (about)

     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() *sigcontext {
    15  	return (*sigcontext)(c.ctxt)
    16  }
    17  
    18  func (c *sigctxt) r0() uint32      { return c.regs().sc_r0 }
    19  func (c *sigctxt) r1() uint32      { return c.regs().sc_r1 }
    20  func (c *sigctxt) r2() uint32      { return c.regs().sc_r2 }
    21  func (c *sigctxt) r3() uint32      { return c.regs().sc_r3 }
    22  func (c *sigctxt) r4() uint32      { return c.regs().sc_r4 }
    23  func (c *sigctxt) r5() uint32      { return c.regs().sc_r5 }
    24  func (c *sigctxt) r6() uint32      { return c.regs().sc_r6 }
    25  func (c *sigctxt) r7() uint32      { return c.regs().sc_r7 }
    26  func (c *sigctxt) r8() uint32      { return c.regs().sc_r8 }
    27  func (c *sigctxt) r9() uint32      { return c.regs().sc_r9 }
    28  func (c *sigctxt) r10() uint32     { return c.regs().sc_r10 }
    29  func (c *sigctxt) fp() uint32      { return c.regs().sc_r11 }
    30  func (c *sigctxt) ip() uint32      { return c.regs().sc_r12 }
    31  func (c *sigctxt) sp() uint32      { return c.regs().sc_usr_sp }
    32  func (c *sigctxt) lr() uint32      { return c.regs().sc_usr_lr }
    33  func (c *sigctxt) pc() uint32      { return c.regs().sc_pc }
    34  func (c *sigctxt) cpsr() uint32    { return c.regs().sc_spsr }
    35  func (c *sigctxt) fault() uint32   { return c.sigaddr() }
    36  func (c *sigctxt) trap() uint32    { return 0 }
    37  func (c *sigctxt) error() uint32   { return 0 }
    38  func (c *sigctxt) oldmask() uint32 { return 0 }
    39  
    40  func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
    41  func (c *sigctxt) sigaddr() uint32 {
    42  	return *(*uint32)(add(unsafe.Pointer(c.info), 12))
    43  }
    44  
    45  func (c *sigctxt) set_pc(x uint32)  { c.regs().sc_pc = x }
    46  func (c *sigctxt) set_sp(x uint32)  { c.regs().sc_usr_sp = x }
    47  func (c *sigctxt) set_lr(x uint32)  { c.regs().sc_usr_lr = x }
    48  func (c *sigctxt) set_r10(x uint32) { c.regs().sc_r10 = x }
    49  
    50  func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
    51  func (c *sigctxt) set_sigaddr(x uint32) {
    52  	*(*uint32)(add(unsafe.Pointer(c.info), 12)) = x
    53  }