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Make HEAP_CAP and MAX_THREADS configurable via compile-time defines #49

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Make HEAP_CAP and MAX_THREADS configurable via compile-time defines #49

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10 changes: 9 additions & 1 deletion clang/hvm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -155,10 +155,18 @@ typedef struct {
// Capacities
// ==========

#define HEAP_CAP (1ULL << 38)
#ifndef HEAP_CAP_BITS
#define HEAP_CAP_BITS 38
#endif
#if HEAP_CAP_BITS > VAL_BITS
#error "HEAP_CAP_BITS must be <= VAL_BITS (heap addresses must fit in term VAL field)"
#endif
#define HEAP_CAP (1ULL << HEAP_CAP_BITS)
#define BOOK_CAP (1ULL << 24)
#define WNF_CAP (1ULL << 32)
#ifndef MAX_THREADS
#define MAX_THREADS 64
#endif

// Thread Globals
// ==============
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