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Source file src/runtime/signal_openbsd_arm.go

Documentation: runtime

  // Copyright 2013 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  package runtime
  
  import "unsafe"
  
  type sigctxt struct {
  	info *siginfo
  	ctxt unsafe.Pointer
  }
  
  //go:nosplit
  //go:nowritebarrierrec
  func (c *sigctxt) regs() *sigcontext {
  	return (*sigcontext)(c.ctxt)
  }
  
  func (c *sigctxt) r0() uint32  { return c.regs().sc_r0 }
  func (c *sigctxt) r1() uint32  { return c.regs().sc_r1 }
  func (c *sigctxt) r2() uint32  { return c.regs().sc_r2 }
  func (c *sigctxt) r3() uint32  { return c.regs().sc_r3 }
  func (c *sigctxt) r4() uint32  { return c.regs().sc_r4 }
  func (c *sigctxt) r5() uint32  { return c.regs().sc_r5 }
  func (c *sigctxt) r6() uint32  { return c.regs().sc_r6 }
  func (c *sigctxt) r7() uint32  { return c.regs().sc_r7 }
  func (c *sigctxt) r8() uint32  { return c.regs().sc_r8 }
  func (c *sigctxt) r9() uint32  { return c.regs().sc_r9 }
  func (c *sigctxt) r10() uint32 { return c.regs().sc_r10 }
  func (c *sigctxt) fp() uint32  { return c.regs().sc_r11 }
  func (c *sigctxt) ip() uint32  { return c.regs().sc_r12 }
  func (c *sigctxt) sp() uint32  { return c.regs().sc_usr_sp }
  func (c *sigctxt) lr() uint32  { return c.regs().sc_usr_lr }
  
  //go:nosplit
  //go:nowritebarrierrec
  func (c *sigctxt) pc() uint32 { return c.regs().sc_pc }
  
  func (c *sigctxt) cpsr() uint32    { return c.regs().sc_spsr }
  func (c *sigctxt) fault() uint32   { return c.sigaddr() }
  func (c *sigctxt) trap() uint32    { return 0 }
  func (c *sigctxt) error() uint32   { return 0 }
  func (c *sigctxt) oldmask() uint32 { return 0 }
  
  func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
  func (c *sigctxt) sigaddr() uint32 {
  	return *(*uint32)(add(unsafe.Pointer(c.info), 12))
  }
  
  func (c *sigctxt) set_pc(x uint32)  { c.regs().sc_pc = x }
  func (c *sigctxt) set_sp(x uint32)  { c.regs().sc_usr_sp = x }
  func (c *sigctxt) set_lr(x uint32)  { c.regs().sc_usr_lr = x }
  func (c *sigctxt) set_r10(x uint32) { c.regs().sc_r10 = x }
  
  func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
  func (c *sigctxt) set_sigaddr(x uint32) {
  	*(*uint32)(add(unsafe.Pointer(c.info), 12)) = x
  }
  

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