mirror of
https://github.com/golang/go
synced 2024-10-04 14:31:21 -06:00
e838334beb
R=golang-dev, bradfitz CC=golang-dev https://golang.org/cl/12798043
35 lines
965 B
C
35 lines
965 B
C
// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include "runtime.h"
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#include "defs_GOOS_GOARCH.h"
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#include "os_GOOS.h"
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#include "signal_GOOS_GOARCH.h"
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#include "../../cmd/ld/textflag.h"
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void
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runtime·lwp_mcontext_init(McontextT *mc, void *stack, M *mp, G *gp, void (*fn)(void))
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{
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mc->__gregs[REG_R15] = (uint32)runtime·lwp_tramp;
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mc->__gregs[REG_R13] = (uint32)stack;
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mc->__gregs[REG_R0] = (uint32)mp;
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mc->__gregs[REG_R1] = (uint32)gp;
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mc->__gregs[REG_R2] = (uint32)fn;
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}
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void
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runtime·checkgoarm(void)
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{
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// TODO(minux)
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}
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#pragma textflag NOSPLIT
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int64
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runtime·cputicks() {
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// Currently cputicks() is used in blocking profiler and to seed runtime·fastrand1().
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// runtime·nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
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// TODO: need more entropy to better seed fastrand1.
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return runtime·nanotime();
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}
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