| // 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 { |
| di uint32 /* general registers */ |
| si uint32 /* ... */ |
| bp uint32 /* ... */ |
| nsp uint32 |
| bx uint32 /* ... */ |
| dx uint32 /* ... */ |
| cx uint32 /* ... */ |
| ax uint32 /* ... */ |
| gs uint32 /* data segments */ |
| fs uint32 /* ... */ |
| es uint32 /* ... */ |
| ds uint32 /* ... */ |
| trap uint32 /* trap _type */ |
| ecode uint32 /* error code (or zero) */ |
| pc uint32 /* pc */ |
| cs uint32 /* old context */ |
| flags uint32 /* old flags */ |
| sp uint32 |
| ss uint32 /* old stack segment */ |
| } |
| |
| type sigctxt struct { |
| u *ureg |
| } |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func (c *sigctxt) pc() uintptr { return uintptr(c.u.pc) } |
| |
| 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.pc = uint32(x) } |
| func (c *sigctxt) setsp(x uintptr) { c.u.sp = uint32(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("pc ", hex(u.pc), "\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() |