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go/src/runtime/signal_linux_arm.go
Austin Clements 56462d0f10 runtime: normalize (*sigctxt).fault() type
(*sigctxt).fault() currently returns either uintptr, uint32, or uint64
depending on the platform. Make them all return uintptr.

For #10958 (but a nice change on its own).

Change-Id: I7813e779d0edcba112dd47fda776f4ce6e50e227
Reviewed-on: https://go-review.googlesource.com/68015
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
2017-10-05 02:31:25 +00:00

59 lines
2.1 KiB
Go

// Copyright 2013 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 (
"runtime/internal/sys"
"unsafe"
)
type sigctxt struct {
info *siginfo
ctxt unsafe.Pointer
}
//go:nosplit
//go:nowritebarrierrec
func (c *sigctxt) regs() *sigcontext { return &(*ucontext)(c.ctxt).uc_mcontext }
func (c *sigctxt) r0() uint32 { return c.regs().r0 }
func (c *sigctxt) r1() uint32 { return c.regs().r1 }
func (c *sigctxt) r2() uint32 { return c.regs().r2 }
func (c *sigctxt) r3() uint32 { return c.regs().r3 }
func (c *sigctxt) r4() uint32 { return c.regs().r4 }
func (c *sigctxt) r5() uint32 { return c.regs().r5 }
func (c *sigctxt) r6() uint32 { return c.regs().r6 }
func (c *sigctxt) r7() uint32 { return c.regs().r7 }
func (c *sigctxt) r8() uint32 { return c.regs().r8 }
func (c *sigctxt) r9() uint32 { return c.regs().r9 }
func (c *sigctxt) r10() uint32 { return c.regs().r10 }
func (c *sigctxt) fp() uint32 { return c.regs().fp }
func (c *sigctxt) ip() uint32 { return c.regs().ip }
func (c *sigctxt) sp() uint32 { return c.regs().sp }
func (c *sigctxt) lr() uint32 { return c.regs().lr }
//go:nosplit
//go:nowritebarrierrec
func (c *sigctxt) pc() uint32 { return c.regs().pc }
func (c *sigctxt) cpsr() uint32 { return c.regs().cpsr }
func (c *sigctxt) fault() uintptr { return uintptr(c.regs().fault_address) }
func (c *sigctxt) trap() uint32 { return c.regs().trap_no }
func (c *sigctxt) error() uint32 { return c.regs().error_code }
func (c *sigctxt) oldmask() uint32 { return c.regs().oldmask }
func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
func (c *sigctxt) sigaddr() uint32 { return c.info.si_addr }
func (c *sigctxt) set_pc(x uint32) { c.regs().pc = x }
func (c *sigctxt) set_sp(x uint32) { c.regs().sp = x }
func (c *sigctxt) set_lr(x uint32) { c.regs().lr = x }
func (c *sigctxt) set_r10(x uint32) { c.regs().r10 = x }
func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
func (c *sigctxt) set_sigaddr(x uint32) {
*(*uintptr)(add(unsafe.Pointer(c.info), 2*sys.PtrSize)) = uintptr(x)
}