signal_netbsd_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() *mcontextt { return &(*ucontextt)(c.ctxt).uc_mcontext }
    17  
    18  func (c *sigctxt) r0() uint32  { return c.regs().__gregs[_REG_R0] }
    19  func (c *sigctxt) r1() uint32  { return c.regs().__gregs[_REG_R1] }
    20  func (c *sigctxt) r2() uint32  { return c.regs().__gregs[_REG_R2] }
    21  func (c *sigctxt) r3() uint32  { return c.regs().__gregs[_REG_R3] }
    22  func (c *sigctxt) r4() uint32  { return c.regs().__gregs[_REG_R4] }
    23  func (c *sigctxt) r5() uint32  { return c.regs().__gregs[_REG_R5] }
    24  func (c *sigctxt) r6() uint32  { return c.regs().__gregs[_REG_R6] }
    25  func (c *sigctxt) r7() uint32  { return c.regs().__gregs[_REG_R7] }
    26  func (c *sigctxt) r8() uint32  { return c.regs().__gregs[_REG_R8] }
    27  func (c *sigctxt) r9() uint32  { return c.regs().__gregs[_REG_R9] }
    28  func (c *sigctxt) r10() uint32 { return c.regs().__gregs[_REG_R10] }
    29  func (c *sigctxt) fp() uint32  { return c.regs().__gregs[_REG_R11] }
    30  func (c *sigctxt) ip() uint32  { return c.regs().__gregs[_REG_R12] }
    31  func (c *sigctxt) sp() uint32  { return c.regs().__gregs[_REG_R13] }
    32  func (c *sigctxt) lr() uint32  { return c.regs().__gregs[_REG_R14] }
    33  
    34  //go:nosplit
    35  //go:nowritebarrierrec
    36  func (c *sigctxt) pc() uint32 { return c.regs().__gregs[_REG_R15] }
    37  
    38  func (c *sigctxt) cpsr() uint32    { return c.regs().__gregs[_REG_CPSR] }
    39  func (c *sigctxt) fault() uintptr  { return uintptr(c.info._reason) }
    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._code) }
    45  func (c *sigctxt) sigaddr() uint32 { return uint32(c.info._reason) }
    46  
    47  func (c *sigctxt) set_pc(x uint32)  { c.regs().__gregs[_REG_R15] = x }
    48  func (c *sigctxt) set_sp(x uint32)  { c.regs().__gregs[_REG_R13] = x }
    49  func (c *sigctxt) set_lr(x uint32)  { c.regs().__gregs[_REG_R14] = x }
    50  func (c *sigctxt) set_r10(x uint32) { c.regs().__gregs[_REG_R10] = x }
    51  
    52  func (c *sigctxt) set_sigcode(x uint32) { c.info._code = int32(x) }
    53  func (c *sigctxt) set_sigaddr(x uint32) {
    54  	c.info._reason = uintptr(x)
    55  }
    56
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