| // Copyright 2019 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 |
| |
| import "unsafe" |
| |
| type sigctxt struct { |
| info *siginfo |
| ctxt unsafe.Pointer |
| } |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func (c *sigctxt) regs() *sigcontext { |
| return (*sigcontext)(c.ctxt) |
| } |
| |
| func (c *sigctxt) r0() uint64 { return (uint64)(c.regs().sc_x[0]) } |
| func (c *sigctxt) r1() uint64 { return (uint64)(c.regs().sc_x[1]) } |
| func (c *sigctxt) r2() uint64 { return (uint64)(c.regs().sc_x[2]) } |
| func (c *sigctxt) r3() uint64 { return (uint64)(c.regs().sc_x[3]) } |
| func (c *sigctxt) r4() uint64 { return (uint64)(c.regs().sc_x[4]) } |
| func (c *sigctxt) r5() uint64 { return (uint64)(c.regs().sc_x[5]) } |
| func (c *sigctxt) r6() uint64 { return (uint64)(c.regs().sc_x[6]) } |
| func (c *sigctxt) r7() uint64 { return (uint64)(c.regs().sc_x[7]) } |
| func (c *sigctxt) r8() uint64 { return (uint64)(c.regs().sc_x[8]) } |
| func (c *sigctxt) r9() uint64 { return (uint64)(c.regs().sc_x[9]) } |
| func (c *sigctxt) r10() uint64 { return (uint64)(c.regs().sc_x[10]) } |
| func (c *sigctxt) r11() uint64 { return (uint64)(c.regs().sc_x[11]) } |
| func (c *sigctxt) r12() uint64 { return (uint64)(c.regs().sc_x[12]) } |
| func (c *sigctxt) r13() uint64 { return (uint64)(c.regs().sc_x[13]) } |
| func (c *sigctxt) r14() uint64 { return (uint64)(c.regs().sc_x[14]) } |
| func (c *sigctxt) r15() uint64 { return (uint64)(c.regs().sc_x[15]) } |
| func (c *sigctxt) r16() uint64 { return (uint64)(c.regs().sc_x[16]) } |
| func (c *sigctxt) r17() uint64 { return (uint64)(c.regs().sc_x[17]) } |
| func (c *sigctxt) r18() uint64 { return (uint64)(c.regs().sc_x[18]) } |
| func (c *sigctxt) r19() uint64 { return (uint64)(c.regs().sc_x[19]) } |
| func (c *sigctxt) r20() uint64 { return (uint64)(c.regs().sc_x[20]) } |
| func (c *sigctxt) r21() uint64 { return (uint64)(c.regs().sc_x[21]) } |
| func (c *sigctxt) r22() uint64 { return (uint64)(c.regs().sc_x[22]) } |
| func (c *sigctxt) r23() uint64 { return (uint64)(c.regs().sc_x[23]) } |
| func (c *sigctxt) r24() uint64 { return (uint64)(c.regs().sc_x[24]) } |
| func (c *sigctxt) r25() uint64 { return (uint64)(c.regs().sc_x[25]) } |
| func (c *sigctxt) r26() uint64 { return (uint64)(c.regs().sc_x[26]) } |
| func (c *sigctxt) r27() uint64 { return (uint64)(c.regs().sc_x[27]) } |
| func (c *sigctxt) r28() uint64 { return (uint64)(c.regs().sc_x[28]) } |
| func (c *sigctxt) r29() uint64 { return (uint64)(c.regs().sc_x[29]) } |
| func (c *sigctxt) lr() uint64 { return (uint64)(c.regs().sc_lr) } |
| func (c *sigctxt) sp() uint64 { return (uint64)(c.regs().sc_sp) } |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func (c *sigctxt) rip() uint64 { return (uint64)(c.regs().sc_lr) } /* XXX */ |
| |
| func (c *sigctxt) fault() uint64 { return c.sigaddr() } |
| func (c *sigctxt) sigcode() uint64 { return uint64(c.info.si_code) } |
| func (c *sigctxt) sigaddr() uint64 { |
| return *(*uint64)(add(unsafe.Pointer(c.info), 16)) |
| } |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func (c *sigctxt) pc() uint64 { return uint64(c.regs().sc_elr) } |
| |
| func (c *sigctxt) set_pc(x uint64) { c.regs().sc_elr = uintptr(x) } |
| func (c *sigctxt) set_sp(x uint64) { c.regs().sc_sp = uintptr(x) } |
| func (c *sigctxt) set_lr(x uint64) { c.regs().sc_lr = uintptr(x) } |
| func (c *sigctxt) set_r28(x uint64) { c.regs().sc_x[28] = uintptr(x) } |
| |
| func (c *sigctxt) set_sigcode(x uint64) { c.info.si_code = int32(x) } |
| func (c *sigctxt) set_sigaddr(x uint64) { |
| *(*uint64)(add(unsafe.Pointer(c.info), 16)) = x |
| } |
