dmcallis
65a0592776
Source code drop for the Actionscript virtual machine in the Adobe Flash Player for December 2013
91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4 -*- */
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/* vi: set ts=4 sw=4 expandtab: (add to ~/.vimrc: set modeline modelines=5) */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//mac
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#include "avmshell.h"
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#include "PosixPartialPlatform.h"
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#include <sys/signal.h>
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#include <unistd.h>
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#include <sys/resource.h>
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namespace avmshell
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{
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class MacPlatform : public PosixPartialPlatform
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{
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public:
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MacPlatform(void* stackbase) : stackbase(stackbase) {}
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virtual ~MacPlatform() {}
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virtual void setTimer(int seconds, AvmTimerCallback callback, void* callbackData);
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virtual uintptr_t getMainThreadStackLimit();
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private:
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void* stackbase;
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};
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uintptr_t MacPlatform::getMainThreadStackLimit()
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{
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struct rlimit r;
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size_t stackheight = avmshell::kStackSizeFallbackValue;
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// https://bugzilla.mozilla.org/show_bug.cgi?id=504976: setting the height to kStackSizeFallbackValue
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// is not ideal if the stack is meant to be unlimited but is an OK workaround for the time being.
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if (getrlimit(RLIMIT_STACK, &r) == 0 && r.rlim_cur != RLIM_INFINITY)
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stackheight = size_t(r.rlim_cur);
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return uintptr_t(stackbase) - stackheight + avmshell::kStackMargin;
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}
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AvmTimerCallback pCallbackFunc = 0;
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void* pCallbackData = 0;
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void MacPlatform::setTimer(int seconds, AvmTimerCallback callback, void* callbackData)
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{
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extern void alarmProc(int);
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pCallbackFunc = callback;
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pCallbackData = callbackData;
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signal(SIGALRM, alarmProc);
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alarm(seconds);
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}
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void alarmProc(int /*signum*/)
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{
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pCallbackFunc(pCallbackData);
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}
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}
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avmshell::MacPlatform* gPlatformHandle = NULL;
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avmshell::Platform* avmshell::Platform::GetInstance()
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{
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AvmAssert(gPlatformHandle != NULL);
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return gPlatformHandle;
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}
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int main(int argc, char *argv[])
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{
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#ifdef VMCFG_MACH_EXCEPTIONS
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avmplus::GenericGuard::staticInit();
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#endif
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char* dummy;
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avmshell::MacPlatform platformInstance(&dummy);
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gPlatformHandle = &platformInstance;
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int code = avmshell::Shell::run(argc, argv);
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if (code == avmshell::OUT_OF_MEMORY)
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write(1, "OUT OF MEMORY\n", 14);
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#ifdef VMCFG_MACH_EXCEPTIONS
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avmplus::GenericGuard::staticDestroy();
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#endif
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return code;
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}
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