diff options
Diffstat (limited to '')
-rw-r--r-- | src/runtime/signal_linux_arm.go | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/runtime/signal_linux_arm.go b/src/runtime/signal_linux_arm.go new file mode 100644 index 0000000..eb107d6 --- /dev/null +++ b/src/runtime/signal_linux_arm.go @@ -0,0 +1,58 @@ +// 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 ( + "internal/goarch" + "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*goarch.PtrSize)) = uintptr(x) +} |