github.com/twelsh-aw/go/src@v0.0.0-20230516233729-a56fe86a7c81/runtime/signal_openbsd_arm64.go (about)

     1  // Copyright 2019 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() uint64  { return (uint64)(c.regs().sc_x[0]) }
    21  func (c *sigctxt) r1() uint64  { return (uint64)(c.regs().sc_x[1]) }
    22  func (c *sigctxt) r2() uint64  { return (uint64)(c.regs().sc_x[2]) }
    23  func (c *sigctxt) r3() uint64  { return (uint64)(c.regs().sc_x[3]) }
    24  func (c *sigctxt) r4() uint64  { return (uint64)(c.regs().sc_x[4]) }
    25  func (c *sigctxt) r5() uint64  { return (uint64)(c.regs().sc_x[5]) }
    26  func (c *sigctxt) r6() uint64  { return (uint64)(c.regs().sc_x[6]) }
    27  func (c *sigctxt) r7() uint64  { return (uint64)(c.regs().sc_x[7]) }
    28  func (c *sigctxt) r8() uint64  { return (uint64)(c.regs().sc_x[8]) }
    29  func (c *sigctxt) r9() uint64  { return (uint64)(c.regs().sc_x[9]) }
    30  func (c *sigctxt) r10() uint64 { return (uint64)(c.regs().sc_x[10]) }
    31  func (c *sigctxt) r11() uint64 { return (uint64)(c.regs().sc_x[11]) }
    32  func (c *sigctxt) r12() uint64 { return (uint64)(c.regs().sc_x[12]) }
    33  func (c *sigctxt) r13() uint64 { return (uint64)(c.regs().sc_x[13]) }
    34  func (c *sigctxt) r14() uint64 { return (uint64)(c.regs().sc_x[14]) }
    35  func (c *sigctxt) r15() uint64 { return (uint64)(c.regs().sc_x[15]) }
    36  func (c *sigctxt) r16() uint64 { return (uint64)(c.regs().sc_x[16]) }
    37  func (c *sigctxt) r17() uint64 { return (uint64)(c.regs().sc_x[17]) }
    38  func (c *sigctxt) r18() uint64 { return (uint64)(c.regs().sc_x[18]) }
    39  func (c *sigctxt) r19() uint64 { return (uint64)(c.regs().sc_x[19]) }
    40  func (c *sigctxt) r20() uint64 { return (uint64)(c.regs().sc_x[20]) }
    41  func (c *sigctxt) r21() uint64 { return (uint64)(c.regs().sc_x[21]) }
    42  func (c *sigctxt) r22() uint64 { return (uint64)(c.regs().sc_x[22]) }
    43  func (c *sigctxt) r23() uint64 { return (uint64)(c.regs().sc_x[23]) }
    44  func (c *sigctxt) r24() uint64 { return (uint64)(c.regs().sc_x[24]) }
    45  func (c *sigctxt) r25() uint64 { return (uint64)(c.regs().sc_x[25]) }
    46  func (c *sigctxt) r26() uint64 { return (uint64)(c.regs().sc_x[26]) }
    47  func (c *sigctxt) r27() uint64 { return (uint64)(c.regs().sc_x[27]) }
    48  func (c *sigctxt) r28() uint64 { return (uint64)(c.regs().sc_x[28]) }
    49  func (c *sigctxt) r29() uint64 { return (uint64)(c.regs().sc_x[29]) }
    50  func (c *sigctxt) lr() uint64  { return (uint64)(c.regs().sc_lr) }
    51  func (c *sigctxt) sp() uint64  { return (uint64)(c.regs().sc_sp) }
    52  
    53  //go:nosplit
    54  //go:nowritebarrierrec
    55  func (c *sigctxt) rip() uint64 { return (uint64)(c.regs().sc_lr) } /* XXX */
    56  
    57  func (c *sigctxt) fault() uint64   { return c.sigaddr() }
    58  func (c *sigctxt) sigcode() uint64 { return uint64(c.info.si_code) }
    59  func (c *sigctxt) sigaddr() uint64 {
    60  	return *(*uint64)(add(unsafe.Pointer(c.info), 16))
    61  }
    62  
    63  //go:nosplit
    64  //go:nowritebarrierrec
    65  func (c *sigctxt) pc() uint64 { return uint64(c.regs().sc_elr) }
    66  
    67  func (c *sigctxt) set_pc(x uint64)  { c.regs().sc_elr = uintptr(x) }
    68  func (c *sigctxt) set_sp(x uint64)  { c.regs().sc_sp = uintptr(x) }
    69  func (c *sigctxt) set_lr(x uint64)  { c.regs().sc_lr = uintptr(x) }
    70  func (c *sigctxt) set_r28(x uint64) { c.regs().sc_x[28] = uintptr(x) }
    71  
    72  func (c *sigctxt) set_sigcode(x uint64) { c.info.si_code = int32(x) }
    73  func (c *sigctxt) set_sigaddr(x uint64) {
    74  	*(*uint64)(add(unsafe.Pointer(c.info), 16)) = x
    75  }