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go/src/pkg/runtime/signal_freebsd_arm.h

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runtime: refactor os-specific code thread_GOOS.c becomes os_GOOS.c. signal_GOOS_GOARCH.c becomes os_GOOS_GOARCH.c, but with non-GOARCH-specific code moved into os_GOOS.c. The actual arch-specific signal handler moves into signal_GOARCH.c to avoid per-GOOS duplication. New files signal_GOOS_GOARCH.h provide macros for accessing fields of the very system-specific signal info structs. Lots moving, but nothing changing. This is a preliminarly cleanup so I can work on the signal handling code to fix some open issues without having to make each change 13 times. Tested on Linux and OS X, 386 and amd64. Will fix Plan 9, Windows, and ARM after the fact if necessary. (Plan 9 and Windows should be fine; ARM will probably have some typos.) Net effect: -1081 lines of code. R=golang-dev, r CC=golang-dev https://golang.org/cl/7565048
2013-03-14 12:35:13 -06:00
// 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.
runtime: freebsd, netbsd build fixes after reorg R=golang-dev CC=golang-dev https://golang.org/cl/7826044
2013-03-14 15:39:39 -06:00
#define SIG_REGS(ctxt) (((Sigcontext*)&((Ucontext*)(ctxt))->uc_mcontext))
runtime: refactor os-specific code thread_GOOS.c becomes os_GOOS.c. signal_GOOS_GOARCH.c becomes os_GOOS_GOARCH.c, but with non-GOARCH-specific code moved into os_GOOS.c. The actual arch-specific signal handler moves into signal_GOARCH.c to avoid per-GOOS duplication. New files signal_GOOS_GOARCH.h provide macros for accessing fields of the very system-specific signal info structs. Lots moving, but nothing changing. This is a preliminarly cleanup so I can work on the signal handling code to fix some open issues without having to make each change 13 times. Tested on Linux and OS X, 386 and amd64. Will fix Plan 9, Windows, and ARM after the fact if necessary. (Plan 9 and Windows should be fine; ARM will probably have some typos.) Net effect: -1081 lines of code. R=golang-dev, r CC=golang-dev https://golang.org/cl/7565048
2013-03-14 12:35:13 -06:00
#define SIG_R0(info, ctxt) (SIG_REGS(ctxt).__gregs[0])
#define SIG_R1(info, ctxt) (SIG_REGS(ctxt).__gregs[1])
#define SIG_R2(info, ctxt) (SIG_REGS(ctxt).__gregs[2])
#define SIG_R3(info, ctxt) (SIG_REGS(ctxt).__gregs[3])
#define SIG_R4(info, ctxt) (SIG_REGS(ctxt).__gregs[4])
#define SIG_R5(info, ctxt) (SIG_REGS(ctxt).__gregs[5])
#define SIG_R6(info, ctxt) (SIG_REGS(ctxt).__gregs[6])
#define SIG_R7(info, ctxt) (SIG_REGS(ctxt).__gregs[7])
#define SIG_R8(info, ctxt) (SIG_REGS(ctxt).__gregs[8])
#define SIG_R9(info, ctxt) (SIG_REGS(ctxt).__gregs[9])
#define SIG_R10(info, ctxt) (SIG_REGS(ctxt).__gregs[10])
#define SIG_FP(info, ctxt) (SIG_REGS(ctxt).__gregs[11])
#define SIG_IP(info, ctxt) (SIG_REGS(ctxt).__gregs[12])
#define SIG_SP(info, ctxt) (SIG_REGS(ctxt).__gregs[13])
#define SIG_LR(info, ctxt) (SIG_REGS(ctxt).__gregs[14])
#define SIG_PC(info, ctxt) (SIG_REGS(ctxt).__gregs[15])
#define SIG_CPSR(info, ctxt) (SIG_REGS(ctxt).__gregs[16])
#define SIG_FAULT(info, ctxt) ((uintptr)(info)->si_addr)
#define SIG_TRAP(info, ctxt) (0)
#define SIG_ERROR(info, ctxt) (0)
#define SIG_OLDMASK(info, ctxt) (0)
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