go defs_plan9_amd64 源码
golang defs_plan9_amd64 代码
文件路径：/src/runtime/defs_plan9_amd64.go
// Copyright 2014 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
const _PAGESIZE = 0x1000
type ureg struct {
ax uint64
bx uint64
cx uint64
dx uint64
si uint64
di uint64
bp uint64
r8 uint64
r9 uint64
r10 uint64
r11 uint64
r12 uint64
r13 uint64
r14 uint64
r15 uint64
ds uint16
es uint16
fs uint16
gs uint16
_type uint64
error uint64 /* error code (or zero) */
ip uint64 /* pc */
cs uint64 /* old context */
flags uint64 /* old flags */
sp uint64 /* sp */
ss uint64 /* old stack segment */
}
type sigctxt struct {
u *ureg
}
//go:nosplit
//go:nowritebarrierrec
func (c *sigctxt) pc() uintptr { return uintptr(c.u.ip) }
func (c *sigctxt) sp() uintptr { return uintptr(c.u.sp) }
func (c *sigctxt) lr() uintptr { return uintptr(0) }
func (c *sigctxt) setpc(x uintptr) { c.u.ip = uint64(x) }
func (c *sigctxt) setsp(x uintptr) { c.u.sp = uint64(x) }
func (c *sigctxt) setlr(x uintptr) {}
func (c *sigctxt) savelr(x uintptr) {}
func dumpregs(u *ureg) {
print("ax ", hex(u.ax), "\n")
print("bx ", hex(u.bx), "\n")
print("cx ", hex(u.cx), "\n")
print("dx ", hex(u.dx), "\n")
print("di ", hex(u.di), "\n")
print("si ", hex(u.si), "\n")
print("bp ", hex(u.bp), "\n")
print("sp ", hex(u.sp), "\n")
print("r8 ", hex(u.r8), "\n")
print("r9 ", hex(u.r9), "\n")
print("r10 ", hex(u.r10), "\n")
print("r11 ", hex(u.r11), "\n")
print("r12 ", hex(u.r12), "\n")
print("r13 ", hex(u.r13), "\n")
print("r14 ", hex(u.r14), "\n")
print("r15 ", hex(u.r15), "\n")
print("ip ", hex(u.ip), "\n")
print("flags ", hex(u.flags), "\n")
print("cs ", hex(u.cs), "\n")
print("fs ", hex(u.fs), "\n")
print("gs ", hex(u.gs), "\n")
}
func sigpanictramp()
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