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/* Copyright (C) 2004-2005 Henry Cejtin, Matthew Fluet, Suresh
* Jagannathan, and Stephen Weeks.
*
* MLton is released under a BSD-style license.
* See the file MLton-LICENSE for details.
*/
#ifndef _BYTECODE_MAIN_H_
#define _BYTECODE_MAIN_H_
#include "main.h"
#include "interpret.h"
#ifndef DEBUG_CODEGEN
#define DEBUG_CODEGEN FALSE
#endif
struct Bytecode MLton_bytecode;
static Word32 returnAddressToFrameIndex (Word32 w) {
return *(Word32*)(MLton_bytecode.code + w - sizeof (Word32));
}
#define Main(al, mg, mfs, mmc, pk, ps, ml) \
void MLton_callFromC () { \
int nextFun; \
GC_state s; \
\
if (DEBUG_CODEGEN) \
fprintf (stderr, "MLton_callFromC() starting\n"); \
s = &gcState; \
s->savedThread = s->currentThread; \
s->canHandle += 3; \
/* Switch to the C Handler thread. */ \
GC_switchToThread (s, s->callFromCHandler, 0); \
nextFun = *(int*)(s->stackTop - WORD_SIZE); \
MLton_Bytecode_interpret (&MLton_bytecode, nextFun); \
GC_switchToThread (s, s->savedThread, 0); \
s->savedThread = BOGUS_THREAD; \
if (DEBUG_CODEGEN) \
fprintf (stderr, "MLton_callFromC done\n"); \
} \
int main (int argc, char **argv) { \
int nextFun; \
Initialize (al, mg, mfs, mmc, pk, ps); \
if (gcState.isOriginal) { \
real_Init(); \
nextFun = ml; \
} else { \
/* Return to the saved world */ \
nextFun = *(int*)(gcState.stackTop - WORD_SIZE); \
} \
MLton_Bytecode_interpret (&MLton_bytecode, nextFun); \
}
#endif /* #ifndef _BYTECODE_MAIN_H */
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