Dev checkpoint
parent
9bf6f97e35
commit
b07550620f
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@ -17,7 +17,6 @@ C-STRUCT: vm
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{ "zone" "nursery" }
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{ "cell" "cards_offset" }
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{ "cell" "decks_offset" }
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{ "cell" "__padding__" }
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{ "cell[70]" "userenv" }
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;
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@ -185,7 +185,7 @@ void factorvm::fp_signal_handler_impl()
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void fp_signal_handler_impl()
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{
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SIGNAL_VM_PTR->fp_signal_handler_impl();
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SIGNAL_VM_PTR()->fp_signal_handler_impl();
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}
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}
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175
vm/vm.hpp
175
vm/vm.hpp
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@ -1,27 +1,112 @@
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namespace factor
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{
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struct factorvm {
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struct factorvmdata {
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// if you change this struct, also change vm.factor k--------
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context *stack_chain;
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zone nursery; /* new objects are allocated here */
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cell cards_offset;
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cell decks_offset;
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#ifndef FACTOR_64
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cell __padding__ ; // align to 8 byte boundary
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#endif
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cell userenv[USER_ENV]; /* TAGGED user environment data; see getenv/setenv prims */
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#ifndef FACTOR_64
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cell __padding2__; // not sure why we need this, bootstrap doesn't work without it
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#endif
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// -------------------------------
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// contexts
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cell ds_size, rs_size;
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context *unused_contexts;
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// run
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cell T; /* Canonical T object. It's just a word */
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// profiler
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bool profiling_p;
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// errors
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/* Global variables used to pass fault handler state from signal handler to
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user-space */
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cell signal_number;
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cell signal_fault_addr;
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unsigned int signal_fpu_status;
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stack_frame *signal_callstack_top;
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//data_heap
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bool secure_gc; /* Set by the -securegc command line argument */
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bool gc_off; /* GC is off during heap walking */
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data_heap *data;
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/* A heap walk allows useful things to be done, like finding all
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references to an object for debugging purposes. */
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cell heap_scan_ptr;
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//write barrier
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cell allot_markers_offset;
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//data_gc
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/* used during garbage collection only */
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zone *newspace;
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bool performing_gc;
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bool performing_compaction;
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cell collecting_gen;
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/* if true, we are collecting aging space for the second time, so if it is still
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full, we go on to collect tenured */
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bool collecting_aging_again;
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/* in case a generation fills up in the middle of a gc, we jump back
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up to try collecting the next generation. */
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jmp_buf gc_jmp;
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gc_stats stats[max_gen_count];
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u64 cards_scanned;
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u64 decks_scanned;
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u64 card_scan_time;
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cell code_heap_scans;
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/* What generation was being collected when copy_code_heap_roots() was last
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called? Until the next call to add_code_block(), future
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collections of younger generations don't have to touch the code
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heap. */
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cell last_code_heap_scan;
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/* sometimes we grow the heap */
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bool growing_data_heap;
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data_heap *old_data_heap;
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// local roots
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/* If a runtime function needs to call another function which potentially
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allocates memory, it must wrap any local variable references to Factor
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objects in gc_root instances */
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std::vector<cell> gc_locals;
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std::vector<cell> gc_bignums;
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//debug
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bool fep_disabled;
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bool full_output;
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cell look_for;
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cell obj;
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//math
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cell bignum_zero;
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cell bignum_pos_one;
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cell bignum_neg_one;
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//code_heap
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heap code;
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unordered_map<heap_block *,char *> forwarding;
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//image
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cell code_relocation_base;
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cell data_relocation_base;
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//dispatch
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cell megamorphic_cache_hits;
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cell megamorphic_cache_misses;
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//inline cache
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cell max_pic_size;
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cell cold_call_to_ic_transitions;
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cell ic_to_pic_transitions;
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cell pic_to_mega_transitions;
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cell pic_counts[4]; /* PIC_TAG, PIC_HI_TAG, PIC_TUPLE, PIC_HI_TAG_TUPLE */
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};
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struct factorvm : factorvmdata {
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// segments
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inline cell align_page(cell a);
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// contexts
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cell ds_size, rs_size;
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context *unused_contexts;
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void reset_datastack();
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void reset_retainstack();
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void fix_stacks();
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@ -40,7 +125,6 @@ struct factorvm {
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inline void vmprim_check_datastack();
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// run
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cell T; /* Canonical T object. It's just a word */
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inline void vmprim_getenv();
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inline void vmprim_setenv();
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inline void vmprim_exit();
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@ -52,19 +136,12 @@ struct factorvm {
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inline void vmprim_clone();
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// profiler
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bool profiling_p;
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void init_profiler();
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code_block *compile_profiling_stub(cell word_);
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void set_profiling(bool profiling);
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inline void vmprim_profiling();
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// errors
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/* Global variables used to pass fault handler state from signal handler to
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user-space */
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cell signal_number;
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cell signal_fault_addr;
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unsigned int signal_fpu_status;
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stack_frame *signal_callstack_top;
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void out_of_memory();
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void critical_error(const char* msg, cell tagged);
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void throw_error(cell error, stack_frame *callstack_top);
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@ -148,12 +225,6 @@ struct factorvm {
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bignum *digit_stream_to_bignum(unsigned int n_digits, unsigned int (*producer)(unsigned int, factorvm *), unsigned int radix, int negative_p);
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//data_heap
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bool secure_gc; /* Set by the -securegc command line argument */
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bool gc_off; /* GC is off during heap walking */
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data_heap *data;
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/* A heap walk allows useful things to be done, like finding all
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references to an object for debugging purposes. */
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cell heap_scan_ptr;
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cell init_zone(zone *z, cell size, cell start);
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void init_card_decks();
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data_heap *alloc_data_heap(cell gens, cell young_size,cell aging_size,cell tenured_size);
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@ -183,7 +254,6 @@ struct factorvm {
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//write barrier
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cell allot_markers_offset;
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inline card *addr_to_card(cell a);
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inline cell card_to_addr(card *c);
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inline cell card_offset(card *c);
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@ -196,36 +266,6 @@ struct factorvm {
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//data_gc
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/* used during garbage collection only */
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zone *newspace;
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bool performing_gc;
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bool performing_compaction;
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cell collecting_gen;
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/* if true, we are collecting aging space for the second time, so if it is still
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full, we go on to collect tenured */
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bool collecting_aging_again;
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/* in case a generation fills up in the middle of a gc, we jump back
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up to try collecting the next generation. */
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jmp_buf gc_jmp;
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gc_stats stats[max_gen_count];
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u64 cards_scanned;
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u64 decks_scanned;
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u64 card_scan_time;
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cell code_heap_scans;
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/* What generation was being collected when copy_code_heap_roots() was last
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called? Until the next call to add_code_block(), future
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collections of younger generations don't have to touch the code
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heap. */
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cell last_code_heap_scan;
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/* sometimes we grow the heap */
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bool growing_data_heap;
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data_heap *old_data_heap;
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void init_data_gc();
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object *copy_untagged_object_impl(object *pointer, cell size);
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object *copy_object_impl(object *untagged);
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@ -263,23 +303,12 @@ struct factorvm {
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inline void check_tagged_pointer(cell tagged);
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inline void vmprim_clear_gc_stats();
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// local roots
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/* If a runtime function needs to call another function which potentially
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allocates memory, it must wrap any local variable references to Factor
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objects in gc_root instances */
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std::vector<cell> gc_locals;
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std::vector<cell> gc_bignums;
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// generic arrays
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template <typename T> T *allot_array_internal(cell capacity);
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template <typename T> bool reallot_array_in_place_p(T *array, cell capacity);
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template <typename TYPE> TYPE *reallot_array(TYPE *array_, cell capacity);
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//debug
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bool fep_disabled;
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bool full_output;
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cell look_for;
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cell obj;
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void print_chars(string* str);
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void print_word(word* word, cell nesting);
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void print_factor_string(string* str);
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@ -353,9 +382,6 @@ struct factorvm {
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inline void vmprim_wrapper();
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//math
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cell bignum_zero;
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cell bignum_pos_one;
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cell bignum_neg_one;
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inline void vmprim_bignum_to_fixnum();
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inline void vmprim_float_to_fixnum();
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inline void vmprim_fixnum_divint();
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@ -511,8 +537,6 @@ struct factorvm {
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}
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//code_heap
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heap code;
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unordered_map<heap_block *,char *> forwarding;
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void init_code_heap(cell size);
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bool in_code_heap_p(cell ptr);
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void jit_compile_word(cell word_, cell def_, bool relocate);
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@ -530,8 +554,6 @@ struct factorvm {
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//image
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cell code_relocation_base;
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cell data_relocation_base;
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void init_objects(image_header *h);
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void load_data_heap(FILE *file, image_header *h, vm_parameters *p);
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void load_code_heap(FILE *file, image_header *h, vm_parameters *p);
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@ -606,8 +628,6 @@ struct factorvm {
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inline void vmprim_quot_compiled_p();
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//dispatch
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cell megamorphic_cache_hits;
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cell megamorphic_cache_misses;
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cell search_lookup_alist(cell table, cell klass);
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cell search_lookup_hash(cell table, cell klass, cell hashcode);
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cell nth_superclass(tuple_layout *layout, fixnum echelon);
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@ -625,11 +645,6 @@ struct factorvm {
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inline void vmprim_dispatch_stats();
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//inline cache
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cell max_pic_size;
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cell cold_call_to_ic_transitions;
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cell ic_to_pic_transitions;
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cell pic_to_mega_transitions;
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cell pic_counts[4]; /* PIC_TAG, PIC_HI_TAG, PIC_TUPLE, PIC_HI_TAG_TUPLE */
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void init_inline_caching(int max_size);
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void deallocate_inline_cache(cell return_address);
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cell determine_inline_cache_type(array *cache_entries);
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