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root/cebix/SheepShaver/src/thunks.cpp

Comparing SheepShaver/src/thunks.cpp (file contents):
Revision 1.2 by gbeauche, 2003-12-04T23:37:35Z vs.
Revision 1.3 by gbeauche, 2004-01-07T18:24:44Z

#	Line 96 | Line 96 | uint32 NativeOpcode(int selector)
96		struct native_op_t {
97		uint32 tvect;
98		uint32 func;
99	+	SheepRoutineDescriptor *desc;
100		};
101		static native_op_t native_op[NATIVE_OP_MAX];
102
#	Line 148 | Line 149 | bool ThunksInit(void)
149		DEFINE_NATIVE_OP(NATIVE_MAKE_EXECUTABLE, MakeExecutable);
150		#undef DEFINE_NATIVE_OP
151		#endif
152	+
153	+	// Initialize routine descriptors
154	+	for (int i = 0; i < NATIVE_OP_MAX; i++)
155	+	native_op[i].desc = new SheepRoutineDescriptor(0, NativeTVECT(i));
156	+
157		return true;
158		}
159
160
161		/*
162	+	*  Delete generated thunks
163	+	*/
164	+
165	+	void ThunksExit(void)
166	+	{
167	+	for (int i = 0; i < NATIVE_OP_MAX; i++) {
168	+	SheepRoutineDescriptor *desc = native_op[i].desc;
169	+	if (desc)
170	+	delete desc;
171	+	}
172	+	}
173	+
174	+
175	+	/*
176		*  Return the native function descriptor (TVECT)
177		*/
178
#	Line 179 | Line 199 | uint32 NativeFunction(int selector)
199
200
201		/*
202	+	*  Return the routine descriptor address of the native function
203	+	*/
204	+
205	+	uint32 NativeRoutineDescriptor(int selector)
206	+	{
207	+	assert(selector < NATIVE_OP_MAX);
208	+	SheepRoutineDescriptor * const desc = native_op[selector].desc;
209	+	assert(desc != 0);
210	+	return desc->addr();
211	+	}
212	+
213	+
214	+	/*
215		*  Execute native code from EMUL_OP routine (real mode switch)
216		*/
217
218		void ExecuteNative(int selector)
219		{
187	–	SheepRoutineDescriptor desc(0, NativeTVECT(selector));
220		M68kRegisters r;
221	<	Execute68k(desc.addr(), &r);
221	>	Execute68k(NativeRoutineDescriptor(selector), &r);
222		}

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