1 // Copyright 2015 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 _PAGESIZE = 0x1000 8 9 type ureg struct { 10 r0 uint32 /* general registers */ 11 r1 uint32 /* ... */ 12 r2 uint32 /* ... */ 13 r3 uint32 /* ... */ 14 r4 uint32 /* ... */ 15 r5 uint32 /* ... */ 16 r6 uint32 /* ... */ 17 r7 uint32 /* ... */ 18 r8 uint32 /* ... */ 19 r9 uint32 /* ... */ 20 r10 uint32 /* ... */ 21 r11 uint32 /* ... */ 22 r12 uint32 /* ... */ 23 sp uint32 24 link uint32 /* ... */ 25 trap uint32 /* trap type */ 26 psr uint32 27 pc uint32 /* interrupted addr */ 28 } 29 30 type sigctxt struct { 31 u *ureg 32 } 33 34 //go:nosplit 35 //go:nowritebarrierrec 36 func (c *sigctxt) pc() uintptr { return uintptr(c.u.pc) } 37 38 func (c *sigctxt) sp() uintptr { return uintptr(c.u.sp) } 39 func (c *sigctxt) lr() uintptr { return uintptr(c.u.link) } 40 41 func (c *sigctxt) setpc(x uintptr) { c.u.pc = uint32(x) } 42 func (c *sigctxt) setsp(x uintptr) { c.u.sp = uint32(x) } 43 func (c *sigctxt) setlr(x uintptr) { c.u.link = uint32(x) } 44 func (c *sigctxt) savelr(x uintptr) { c.u.r0 = uint32(x) } 45 46 func dumpregs(u *ureg) { 47 print("r0 ", hex(u.r0), "\n") 48 print("r1 ", hex(u.r1), "\n") 49 print("r2 ", hex(u.r2), "\n") 50 print("r3 ", hex(u.r3), "\n") 51 print("r4 ", hex(u.r4), "\n") 52 print("r5 ", hex(u.r5), "\n") 53 print("r6 ", hex(u.r6), "\n") 54 print("r7 ", hex(u.r7), "\n") 55 print("r8 ", hex(u.r8), "\n") 56 print("r9 ", hex(u.r9), "\n") 57 print("r10 ", hex(u.r10), "\n") 58 print("r11 ", hex(u.r11), "\n") 59 print("r12 ", hex(u.r12), "\n") 60 print("sp ", hex(u.sp), "\n") 61 print("link ", hex(u.link), "\n") 62 print("pc ", hex(u.pc), "\n") 63 print("psr ", hex(u.psr), "\n") 64 } 65 66 func sigpanictramp() 67
