1 package runtime 2 3 const _PAGESIZE = 0x1000 4 5 type ureg struct { 6 ax uint64 7 bx uint64 8 cx uint64 9 dx uint64 10 si uint64 11 di uint64 12 bp uint64 13 r8 uint64 14 r9 uint64 15 r10 uint64 16 r11 uint64 17 r12 uint64 18 r13 uint64 19 r14 uint64 20 r15 uint64 21 22 ds uint16 23 es uint16 24 fs uint16 25 gs uint16 26 27 _type uint64 28 error uint64 /* error code (or zero) */ 29 ip uint64 /* pc */ 30 cs uint64 /* old context */ 31 flags uint64 /* old flags */ 32 sp uint64 /* sp */ 33 ss uint64 /* old stack segment */ 34 } 35 36 type sigctxt struct { 37 u *ureg 38 } 39 40 //go:nosplit 41 //go:nowritebarrierrec 42 func (c *sigctxt) pc() uintptr { return uintptr(c.u.ip) } 43 44 func (c *sigctxt) sp() uintptr { return uintptr(c.u.sp) } 45 func (c *sigctxt) lr() uintptr { return uintptr(0) } 46 47 func (c *sigctxt) setpc(x uintptr) { c.u.ip = uint64(x) } 48 func (c *sigctxt) setsp(x uintptr) { c.u.sp = uint64(x) } 49 func (c *sigctxt) setlr(x uintptr) {} 50 51 func (c *sigctxt) savelr(x uintptr) {} 52 53 func dumpregs(u *ureg) { 54 print("ax ", hex(u.ax), "\n") 55 print("bx ", hex(u.bx), "\n") 56 print("cx ", hex(u.cx), "\n") 57 print("dx ", hex(u.dx), "\n") 58 print("di ", hex(u.di), "\n") 59 print("si ", hex(u.si), "\n") 60 print("bp ", hex(u.bp), "\n") 61 print("sp ", hex(u.sp), "\n") 62 print("r8 ", hex(u.r8), "\n") 63 print("r9 ", hex(u.r9), "\n") 64 print("r10 ", hex(u.r10), "\n") 65 print("r11 ", hex(u.r11), "\n") 66 print("r12 ", hex(u.r12), "\n") 67 print("r13 ", hex(u.r13), "\n") 68 print("r14 ", hex(u.r14), "\n") 69 print("r15 ", hex(u.r15), "\n") 70 print("ip ", hex(u.ip), "\n") 71 print("flags ", hex(u.flags), "\n") 72 print("cs ", hex(u.cs), "\n") 73 print("fs ", hex(u.fs), "\n") 74 print("gs ", hex(u.gs), "\n") 75 } 76 77 func sigpanictramp() {} 78
