defs_windows_amd64.go

     1  // Copyright 2009 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 _CONTEXT_CONTROL = 0x100001
     8  
     9  type m128a struct {
    10  	low  uint64
    11  	high int64
    12  }
    13  
    14  type context struct {
    15  	p1home               uint64
    16  	p2home               uint64
    17  	p3home               uint64
    18  	p4home               uint64
    19  	p5home               uint64
    20  	p6home               uint64
    21  	contextflags         uint32
    22  	mxcsr                uint32
    23  	segcs                uint16
    24  	segds                uint16
    25  	seges                uint16
    26  	segfs                uint16
    27  	seggs                uint16
    28  	segss                uint16
    29  	eflags               uint32
    30  	dr0                  uint64
    31  	dr1                  uint64
    32  	dr2                  uint64
    33  	dr3                  uint64
    34  	dr6                  uint64
    35  	dr7                  uint64
    36  	rax                  uint64
    37  	rcx                  uint64
    38  	rdx                  uint64
    39  	rbx                  uint64
    40  	rsp                  uint64
    41  	rbp                  uint64
    42  	rsi                  uint64
    43  	rdi                  uint64
    44  	r8                   uint64
    45  	r9                   uint64
    46  	r10                  uint64
    47  	r11                  uint64
    48  	r12                  uint64
    49  	r13                  uint64
    50  	r14                  uint64
    51  	r15                  uint64
    52  	rip                  uint64
    53  	anon0                [512]byte
    54  	vectorregister       [26]m128a
    55  	vectorcontrol        uint64
    56  	debugcontrol         uint64
    57  	lastbranchtorip      uint64
    58  	lastbranchfromrip    uint64
    59  	lastexceptiontorip   uint64
    60  	lastexceptionfromrip uint64
    61  }
    62  
    63  func (c *context) ip() uintptr { return uintptr(c.rip) }
    64  func (c *context) sp() uintptr { return uintptr(c.rsp) }
    65  
    66  // AMD64 does not have link register, so this returns 0.
    67  func (c *context) lr() uintptr      { return 0 }
    68  func (c *context) set_lr(x uintptr) {}
    69  
    70  func (c *context) set_ip(x uintptr) { c.rip = uint64(x) }
    71  func (c *context) set_sp(x uintptr) { c.rsp = uint64(x) }
    72  func (c *context) set_fp(x uintptr) { c.rbp = uint64(x) }
    73  
    74  func prepareContextForSigResume(c *context) {
    75  	c.r8 = c.rsp
    76  	c.r9 = c.rip
    77  }
    78  
    79  func dumpregs(r *context) {
    80  	print("rax     ", hex(r.rax), "\n")
    81  	print("rbx     ", hex(r.rbx), "\n")
    82  	print("rcx     ", hex(r.rcx), "\n")
    83  	print("rdx     ", hex(r.rdx), "\n")
    84  	print("rdi     ", hex(r.rdi), "\n")
    85  	print("rsi     ", hex(r.rsi), "\n")
    86  	print("rbp     ", hex(r.rbp), "\n")
    87  	print("rsp     ", hex(r.rsp), "\n")
    88  	print("r8      ", hex(r.r8), "\n")
    89  	print("r9      ", hex(r.r9), "\n")
    90  	print("r10     ", hex(r.r10), "\n")
    91  	print("r11     ", hex(r.r11), "\n")
    92  	print("r12     ", hex(r.r12), "\n")
    93  	print("r13     ", hex(r.r13), "\n")
    94  	print("r14     ", hex(r.r14), "\n")
    95  	print("r15     ", hex(r.r15), "\n")
    96  	print("rip     ", hex(r.rip), "\n")
    97  	print("rflags  ", hex(r.eflags), "\n")
    98  	print("cs      ", hex(r.segcs), "\n")
    99  	print("fs      ", hex(r.segfs), "\n")
   100  	print("gs      ", hex(r.seggs), "\n")
   101  }
   102  
   103  type _DISPATCHER_CONTEXT struct {
   104  	controlPc        uint64
   105  	imageBase        uint64
   106  	functionEntry    uintptr
   107  	establisherFrame uint64
   108  	targetIp         uint64
   109  	context          *context
   110  	languageHandler  uintptr
   111  	handlerData      uintptr
   112  }
   113  
   114  func (c *_DISPATCHER_CONTEXT) ctx() *context {
   115  	return c.context
   116  }
   117
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