github.com/ice-blockchain/go/src@v0.0.0-20240403114104-1564d284e521/runtime/defs_plan9_amd64.go (about)

     1  // Copyright 2014 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  const _PAGESIZE = 0x1000
     8  
     9  type ureg struct {
    10  	ax  uint64
    11  	bx  uint64
    12  	cx  uint64
    13  	dx  uint64
    14  	si  uint64
    15  	di  uint64
    16  	bp  uint64
    17  	r8  uint64
    18  	r9  uint64
    19  	r10 uint64
    20  	r11 uint64
    21  	r12 uint64
    22  	r13 uint64
    23  	r14 uint64
    24  	r15 uint64
    25  
    26  	ds uint16
    27  	es uint16
    28  	fs uint16
    29  	gs uint16
    30  
    31  	_type uint64
    32  	error uint64 /* error code (or zero) */
    33  	ip    uint64 /* pc */
    34  	cs    uint64 /* old context */
    35  	flags uint64 /* old flags */
    36  	sp    uint64 /* sp */
    37  	ss    uint64 /* old stack segment */
    38  }
    39  
    40  type sigctxt struct {
    41  	u *ureg
    42  }
    43  
    44  //go:nosplit
    45  //go:nowritebarrierrec
    46  func (c *sigctxt) pc() uintptr { return uintptr(c.u.ip) }
    47  
    48  func (c *sigctxt) sp() uintptr { return uintptr(c.u.sp) }
    49  func (c *sigctxt) lr() uintptr { return uintptr(0) }
    50  
    51  func (c *sigctxt) setpc(x uintptr) { c.u.ip = uint64(x) }
    52  func (c *sigctxt) setsp(x uintptr) { c.u.sp = uint64(x) }
    53  func (c *sigctxt) setlr(x uintptr) {}
    54  
    55  func (c *sigctxt) savelr(x uintptr) {}
    56  
    57  func dumpregs(u *ureg) {
    58  	print("ax    ", hex(u.ax), "\n")
    59  	print("bx    ", hex(u.bx), "\n")
    60  	print("cx    ", hex(u.cx), "\n")
    61  	print("dx    ", hex(u.dx), "\n")
    62  	print("di    ", hex(u.di), "\n")
    63  	print("si    ", hex(u.si), "\n")
    64  	print("bp    ", hex(u.bp), "\n")
    65  	print("sp    ", hex(u.sp), "\n")
    66  	print("r8    ", hex(u.r8), "\n")
    67  	print("r9    ", hex(u.r9), "\n")
    68  	print("r10   ", hex(u.r10), "\n")
    69  	print("r11   ", hex(u.r11), "\n")
    70  	print("r12   ", hex(u.r12), "\n")
    71  	print("r13   ", hex(u.r13), "\n")
    72  	print("r14   ", hex(u.r14), "\n")
    73  	print("r15   ", hex(u.r15), "\n")
    74  	print("ip    ", hex(u.ip), "\n")
    75  	print("flags ", hex(u.flags), "\n")
    76  	print("cs    ", hex(u.cs), "\n")
    77  	print("fs    ", hex(u.fs), "\n")
    78  	print("gs    ", hex(u.gs), "\n")
    79  }
    80  
    81  func sigpanictramp()