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Restore stack after curG function call

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This commit is contained in:
Derek Parker 2015-04-30 19:52:28 -05:00
parent f9c64d30c2
commit f7632eb5b0
1 changed files with 12 additions and 0 deletions
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12
proctl/threads.go
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@ -93,6 +93,18 @@ func (thread *ThreadContext) CallFn(name string, fn func() error) error {
if err = thread.saveRegisters(); err != nil {
return err
}
regs, err := thread.Registers()
if err != nil {
return err
}
previousFrame := make([]byte, f.FrameSize)
frameSize := uintptr(regs.SP() + uint64(f.FrameSize))
if _, err := readMemory(thread, frameSize, previousFrame); err != nil {
return err
}
defer func() { writeMemory(thread, frameSize, previousFrame) }()
if err = thread.SetPC(f.Entry); err != nil {
return err
}