| // 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. |
| |
| #include "runtime.h" |
| #include "defs_GOOS_GOARCH.h" |
| #include "os_GOOS.h" |
| #include "signal_GOOS_GOARCH.h" |
| #include "../../cmd/ld/textflag.h" |
| |
| void |
| runtime·lwp_mcontext_init(McontextT *mc, void *stack, M *mp, G *gp, void (*fn)(void)) |
| { |
| mc->__gregs[REG_R15] = (uint32)runtime·lwp_tramp; |
| mc->__gregs[REG_R13] = (uint32)stack; |
| mc->__gregs[REG_R0] = (uint32)mp; |
| mc->__gregs[REG_R1] = (uint32)gp; |
| mc->__gregs[REG_R2] = (uint32)fn; |
| } |
| |
| void |
| runtime·checkgoarm(void) |
| { |
| // TODO(minux) |
| } |
| |
| #pragma textflag NOSPLIT |
| int64 |
| runtime·cputicks() { |
| // Currently cputicks() is used in blocking profiler and to seed runtime·fastrand1(). |
| // runtime·nanotime() is a poor approximation of CPU ticks that is enough for the profiler. |
| // TODO: need more entropy to better seed fastrand1. |
| return runtime·nanotime(); |
| } |
