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https://git.savannah.gnu.org/git/guile.git
synced 2025-05-14 17:50:22 +02:00
Indirect threaded. Performance is the same as before. Wow\!
This commit is contained in:
parent
015959cb4a
commit
4b482259c3
7 changed files with 65 additions and 109 deletions
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@ -10,7 +10,8 @@ stamp-h.in
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Makefile
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Makefile.in
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*.x
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*.vi
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*.op
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*.inst
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*.label
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*.opcode
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*.lo
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*.la
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@ -11,8 +11,9 @@ libguilevm_la_LDFLAGS = -version-info 0:0:0 -export-dynamic
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noinst_HEADERS = vm.h vm_engine.h vm-snarf.h
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EXTRA_DIST = vm_engine.c vm_system.c vm_scheme.c vm_number.c \
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test.scm guile-compile.in
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BUILT_SOURCES = vm_system.vi vm_scheme.vi vm_number.vi \
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vm_system.op vm_scheme.op vm_number.op vm.x
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BUILT_SOURCES = vm_system.inst vm_scheme.inst vm_number.inst \
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vm_system.label vm_scheme.label vm_number.label \
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vm_system.opcode vm_scheme.opcode vm_number.opcode vm.x
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CFLAGS = -g -O2 -Wall
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INCLUDES = $(GUILE_CFLAGS)
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@ -21,16 +22,20 @@ DISTCLEANFILES = $(BUILT_SOURCES)
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MAINTAINERCLEANFILES = Makefile.in config.h.in stamp-h.in
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SNARF = guile-snarf
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SUFFIXES = .x .vi .op
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SUFFIXES = .x .inst .label .opcode
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.c.x:
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$(SNARF) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS) $< > $@ \
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|| { rm $@; false; }
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.c.vi:
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.c.inst:
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$(SNARF) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS) $< > $@ \
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|| { rm $@; false; }
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.c.op:
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.c.label:
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$(SNARF) -DSCM_SNARF_LABEL $(DEFS) $(INCLUDES) $(CPPFLAGS) \
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$(CFLAGS) $< > $@ || { rm $@; false; }
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.c.opcode:
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$(SNARF) -DSCM_SNARF_OPCODE $(DEFS) $(INCLUDES) $(CPPFLAGS) \
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$(CFLAGS) $< > $@ || { rm $@; false; }
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@ -65,22 +65,36 @@
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#else /* SCM_MAGIC_SNARFER */
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#ifndef SCM_SNARF_OPCODE
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#ifndef SCM_SNARF_LABEL
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/*
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* These will go to *.vi
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* These will go to *.inst
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*/
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#define SCM_DEFINE_INSTRUCTION(TAG,NAME,TYPE) \
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SCM_SNARF_INIT_START {VM_OPCODE(TAG), TYPE, NAME, VM_ADDR(TAG), SCM_BOOL_F, NULL, 0, 0},
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SCM_SNARF_INIT_START {VM_OPCODE(TAG), TYPE, NAME, SCM_BOOL_F, NULL, 0, 0},
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#define SCM_DEFINE_VM_FUNCTION(TAG,SNAME,NAME,NARGS,RESTP) \
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SCM_SNARF_INIT_START {VM_OPCODE(TAG), INST_NONE, NAME, VM_ADDR(TAG), SCM_BOOL_F, SNAME, NARGS, RESTP},
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SCM_SNARF_INIT_START {VM_OPCODE(TAG), INST_NONE, NAME, SCM_BOOL_F, SNAME, NARGS, RESTP},
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#else /* SCM_SNARF_LABEL */
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/*
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* These will go to *.label
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*/
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#define SCM_DEFINE_INSTRUCTION(TAG,NAME,TYPE) \
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SCM_SNARF_INIT_START VM_ADDR(TAG),
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#define SCM_DEFINE_VM_FUNCTION(TAG,SNAME,NAME,NARGS,RESTP) \
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SCM_SNARF_INIT_START VM_ADDR(TAG),
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#endif /* SCM_SNARF_LABEL */
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#else /* SCM_SNARF_OPCODE */
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/*
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* These will go to *.op
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* These will go to *.opcode
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*/
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#define SCM_DEFINE_INSTRUCTION(TAG,NAME,TYPE) SCM_SNARF_INIT_START VM_OPCODE(TAG),
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#define SCM_DEFINE_VM_FUNCTION(TAG,SNAME,NAME,NARGS,RESTP) SCM_SNARF_INIT_START VM_OPCODE(TAG),
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#define SCM_DEFINE_INSTRUCTION(TAG,NAME,TYPE) \
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SCM_SNARF_INIT_START VM_OPCODE(TAG),
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#define SCM_DEFINE_VM_FUNCTION(TAG,SNAME,NAME,NARGS,RESTP) \
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SCM_SNARF_INIT_START VM_OPCODE(TAG),
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#endif /* SCM_SNARF_OPCODE */
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#endif /* SCM_MAGIC_SNARFER */
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92
src/vm.c
92
src/vm.c
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@ -114,22 +114,17 @@ init_name_property ()
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* Instruction
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*/
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#define INSTRUCTION_HASH_SIZE op_last
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#define INSTRUCTION_HASH(ADDR) (((int) (ADDR) >> 1) % INSTRUCTION_HASH_SIZE)
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/* These variables are defined in VM engines when they are first called. */
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static struct scm_instruction *scm_regular_instruction_table = 0;
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static struct scm_instruction *scm_debug_instruction_table = 0;
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/* Hash table for finding instructions from addresses */
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static struct inst_hash {
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void *addr;
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struct scm_instruction *inst;
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struct inst_hash *next;
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} *scm_instruction_hash_table[INSTRUCTION_HASH_SIZE];
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static long scm_instruction_tag;
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static struct scm_instruction scm_instruction_table[] = {
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#include "vm_system.inst"
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#include "vm_scheme.inst"
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#include "vm_number.inst"
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{op_last}
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};
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#define SCM_INSTRUCTION(OP) &scm_instruction_table[SCM_UNPACK (OP)]
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static SCM
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make_instruction (struct scm_instruction *instp)
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{
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@ -155,35 +150,15 @@ init_instruction_type ()
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/* C interface */
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static struct scm_instruction *
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find_instruction_by_name (const char *name)
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scm_lookup_instruction (const char *name)
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{
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struct scm_instruction *p;
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for (p = scm_regular_instruction_table; p->opcode != op_last; p++)
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for (p = scm_instruction_table; p->opcode != op_last; p++)
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if (strcmp (name, p->name) == 0)
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return p;
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return 0;
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}
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static struct scm_instruction *
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find_instruction_by_code (SCM code)
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{
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struct inst_hash *p;
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void *addr = SCM_CODE_TO_ADDR (code);
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for (p = scm_instruction_hash_table[INSTRUCTION_HASH (addr)]; p; p = p->next)
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if (p->addr == addr)
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return p->inst;
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return 0;
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}
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#ifdef HAVE_LABELS_AS_VALUES
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static void *
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instruction_code_to_debug_addr (SCM code)
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{
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struct scm_instruction *p = find_instruction_by_code (code);
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return scm_debug_instruction_table[p->opcode].addr;
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}
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#endif
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/* Scheme interface */
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SCM_DEFINE (scm_instruction_p, "instruction?", 1, 0, 0,
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#define FUNC_NAME s_scm_instruction_name_p
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{
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SCM_VALIDATE_SYMBOL (1, name);
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return SCM_BOOL (find_instruction_by_name (SCM_SYMBOL_CHARS (name)));
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return SCM_BOOL (scm_lookup_instruction (SCM_SYMBOL_CHARS (name)));
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}
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#undef FUNC_NAME
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@ -231,7 +206,7 @@ SCM_DEFINE (scm_symbol_to_instruction, "symbol->instruction", 1, 0, 0,
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struct scm_instruction *p;
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SCM_VALIDATE_SYMBOL (1, name);
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p = find_instruction_by_name (SCM_SYMBOL_CHARS (name));
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p = scm_lookup_instruction (SCM_SYMBOL_CHARS (name));
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if (!p)
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SCM_MISC_ERROR ("No such instruction: ~S", SCM_LIST1 (name));
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{
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SCM list = SCM_EOL;
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struct scm_instruction *p;
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for (p = scm_regular_instruction_table; p->opcode != op_last; p++)
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for (p = scm_instruction_table; p->opcode != op_last; p++)
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list = scm_cons (p->obj, list);
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return scm_reverse_x (list, SCM_EOL);
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}
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@ -338,7 +313,7 @@ mark_bytecode (SCM bytecode)
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for (i = 0; i < size; i++)
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{
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p = find_instruction_by_code (base[i]);
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p = SCM_INSTRUCTION (base[i]);
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switch (p->type)
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{
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case INST_NONE:
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/* Process instruction */
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if (!SCM_SYMBOLP (old[i])
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|| !(p = find_instruction_by_name (SCM_SYMBOL_CHARS (old[i]))))
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|| !(p = scm_lookup_instruction (SCM_SYMBOL_CHARS (old[i]))))
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SCM_MISC_ERROR ("Invalid instruction: ~S", SCM_LIST1 (old[i]));
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new[i] = SCM_ADDR_TO_CODE (p->addr);
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new[i] = SCM_PACK (p->opcode);
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/* Process arguments */
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if (p->type == INST_NONE)
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struct scm_instruction *p;
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/* Process instruction */
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p = find_instruction_by_code (old[i]);
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p = SCM_INSTRUCTION (old[i]);
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if (!p)
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{
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broken:
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@ -1010,7 +985,7 @@ SCM_DEFINE (scm_vm_fetch_code, "vm-fetch-code", 2, 0, 0,
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p = SCM_VM_ADDRESS (addr);
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inst = find_instruction_by_code (*p);
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inst = SCM_INSTRUCTION (*p);
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if (!inst)
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SCM_MISC_ERROR ("Broken bytecode", SCM_LIST1 (addr));
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@ -1135,7 +1110,7 @@ SCM_SYMBOL (sym_debug, "debug");
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static SCM scm_regular_vm (SCM vm, SCM program);
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static SCM scm_debug_vm (SCM vm, SCM program);
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#define VM_CODE(name) SCM_ADDR_TO_CODE (find_instruction_by_name (name)->addr)
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#define VM_CODE(name) SCM_PACK (scm_lookup_instruction (name)->opcode)
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SCM_DEFINE (scm_vm_run, "vm-run", 2, 0, 0,
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(SCM vm, SCM program),
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/* Initialize the module */
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scm_module_vm = scm_make_module (scm_read_0str ("(vm vm)"));
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old_module = scm_select_module (scm_module_vm);
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init_name_property ();
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init_instruction_type ();
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init_bytecode_type ();
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@ -1264,37 +1238,15 @@ scm_init_vm ()
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init_vm_frame_type ();
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init_vm_cont_type ();
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init_vm_type ();
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#include "vm.x"
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scm_select_module (old_module);
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/* Initialize instruction tables */
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{
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int i;
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struct scm_instruction *p;
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SCM vm = make_vm (0);
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scm_regular_vm (vm, SCM_BOOL_F);
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scm_debug_vm (vm, SCM_BOOL_F);
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/* hash table */
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for (i = 0; i < INSTRUCTION_HASH_SIZE; i++)
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scm_instruction_hash_table[i] = NULL;
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for (p = scm_regular_instruction_table; p->opcode != op_last; p++)
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for (p = scm_instruction_table; p->opcode != op_last; p++)
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{
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int hash;
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struct inst_hash *data;
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SCM inst = scm_permanent_object (make_instruction (p));
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p->obj = inst;
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p->obj = scm_permanent_object (make_instruction (p));
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if (p->restp) p->type = INST_INUM;
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hash = INSTRUCTION_HASH (p->addr);
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data = scm_must_malloc (sizeof (*data), "inst_hash");
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data->addr = p->addr;
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data->inst = p;
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data->next = scm_instruction_hash_table[hash];
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scm_instruction_hash_table[hash] = data;
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}
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}
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}
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7
src/vm.h
7
src/vm.h
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/* Opcode */
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enum scm_opcode {
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#include "vm_system.op"
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#include "vm_scheme.op"
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#include "vm_number.op"
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#include "vm_system.opcode"
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#include "vm_scheme.opcode"
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#include "vm_number.opcode"
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op_last
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};
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enum scm_opcode opcode; /* opcode */
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enum scm_inst_type type; /* argument type */
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char *name; /* instruction name */
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void *addr; /* instruction address */
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SCM obj; /* instruction object */
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/* fields for VM functions */
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char *sname; /* Scheme procedure name */
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@ -45,14 +45,11 @@
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/* VM names */
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#undef VM_NAME
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#undef VM_TABLE
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#if VM_ENGINE == SCM_VM_REGULAR_ENGINE
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#define VM_NAME scm_regular_vm
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#define VM_TABLE scm_regular_instruction_table
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#else
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#if VM_ENGINE == SCM_VM_DEBUG_ENGINE
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#define VM_NAME scm_debug_vm
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#define VM_TABLE scm_debug_instruction_table
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#endif
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#endif
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SCM hook_args = SCM_LIST1 (vm);
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#endif
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/* Initialize the instruction table at the first time.
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* This code must be here because the following table contains
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* pointers to the labels defined in this function. */
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if (!VM_TABLE)
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{
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static struct scm_instruction table[] = {
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#include "vm_system.vi"
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#include "vm_scheme.vi"
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#include "vm_number.vi"
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{ op_last }
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/* Jump talbe */
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static void *jump_table[] = {
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#include "vm_system.label"
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#include "vm_scheme.label"
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#include "vm_number.label"
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};
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VM_TABLE = table;
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return SCM_UNSPECIFIED;
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}
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/* Initialize the VM */
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vmp = SCM_VM_DATA (vm);
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@ -348,11 +348,7 @@
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#undef VM_GOTO_NEXT
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#if HAVE_LABELS_AS_VALUES
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#if VM_ENGINE == SCM_VM_DEBUG_ENGINE
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#define VM_GOTO_NEXT() goto *SCM_CODE_TO_DEBUG_ADDR (FETCH ())
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#else /* not SCM_VM_DEBUG_ENGINE */
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#define VM_GOTO_NEXT() goto *SCM_CODE_TO_ADDR (FETCH ())
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#endif
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#define VM_GOTO_NEXT() goto *jump_table[SCM_UNPACK (FETCH ())]
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#else /* not HAVE_LABELS_AS_VALUES */
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#define VM_GOTO_NEXT() goto vm_start
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#endif
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