1 package runtime 2 3 const _PAGESIZE = 0x1000 4 5 type ureg struct { 6 di uint32 /* general registers */ 7 si uint32 /* ... */ 8 bp uint32 /* ... */ 9 nsp uint32 10 bx uint32 /* ... */ 11 dx uint32 /* ... */ 12 cx uint32 /* ... */ 13 ax uint32 /* ... */ 14 gs uint32 /* data segments */ 15 fs uint32 /* ... */ 16 es uint32 /* ... */ 17 ds uint32 /* ... */ 18 trap uint32 /* trap _type */ 19 ecode uint32 /* error code (or zero) */ 20 pc uint32 /* pc */ 21 cs uint32 /* old context */ 22 flags uint32 /* old flags */ 23 sp uint32 24 ss uint32 /* old stack segment */ 25 } 26 27 type sigctxt struct { 28 u *ureg 29 } 30 31 func (c *sigctxt) pc() uintptr { return uintptr(c.u.pc) } 32 func (c *sigctxt) sp() uintptr { return uintptr(c.u.sp) } 33 34 func (c *sigctxt) setpc(x uintptr) { c.u.pc = uint32(x) } 35 func (c *sigctxt) setsp(x uintptr) { c.u.sp = uint32(x) } 36 37 func dumpregs(u *ureg) { 38 print("ax ", hex(u.ax), "\n") 39 print("bx ", hex(u.bx), "\n") 40 print("cx ", hex(u.cx), "\n") 41 print("dx ", hex(u.dx), "\n") 42 print("di ", hex(u.di), "\n") 43 print("si ", hex(u.si), "\n") 44 print("bp ", hex(u.bp), "\n") 45 print("sp ", hex(u.sp), "\n") 46 print("pc ", hex(u.pc), "\n") 47 print("flags ", hex(u.flags), "\n") 48 print("cs ", hex(u.cs), "\n") 49 print("fs ", hex(u.fs), "\n") 50 print("gs ", hex(u.gs), "\n") 51 } 52
