vm: rt-vm relocation now supports accessing a field directly

db4
Slava Pestov 2009-10-14 19:24:23 -05:00
parent ae90ebe3be
commit 38d120f92e
14 changed files with 48 additions and 25 deletions

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@ -111,18 +111,25 @@ SYMBOL: jit-relocations
: jit-rel ( rc rt -- )
over compute-offset 3array jit-relocations get push-all ;
: make-jit ( quot -- jit-data )
SYMBOL: jit-literals
: jit-literal ( literal -- )
jit-literals get push ;
: make-jit ( quot -- jit-literals jit-data )
[
V{ } clone jit-literals set
V{ } clone jit-relocations set
call( -- )
jit-literals get >array
jit-relocations get >array
] B{ } make prefix ;
: jit-define ( quot name -- )
[ make-jit ] dip set ;
[ make-jit nip ] dip set ;
: define-sub-primitive ( quot word -- )
[ make-jit ] dip sub-primitives get set-at ;
[ make-jit 2array ] dip sub-primitives get set-at ;
! The image being constructed; a vector of word-size integers
SYMBOL: image

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@ -63,7 +63,7 @@ M: ##no-tco generate-insn drop ;
M: ##call generate-insn
word>> dup sub-primitive>>
[ first % ] [ [ add-call ] [ %call ] bi ] ?if ;
[ second first % ] [ [ add-call ] [ %call ] bi ] ?if ;
M: ##jump generate-insn word>> [ add-call ] [ %jump ] bi ;

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@ -77,8 +77,8 @@ SYMBOL: relocation-table
: rel-here ( offset class -- )
[ add-literal ] dip rt-here rel-fixup ;
: rel-vm ( class -- )
rt-vm rel-fixup ;
: rel-vm ( offset class -- )
[ add-literal ] dip rt-vm rel-fixup ;
: rel-cards-offset ( class -- )
rt-cards-offset rel-fixup ;

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@ -50,7 +50,7 @@ M: x86.32 reserved-area-size 0 ;
M: x86.32 %alien-invoke 0 CALL rc-relative rel-dlsym ;
: push-vm-ptr ( -- )
0 PUSH rc-absolute-cell rel-vm ; ! push the vm ptr as an argument
0 PUSH 0 rc-absolute-cell rel-vm ; ! push the vm ptr as an argument
M: x86.32 return-struct-in-registers? ( c-type -- ? )
c-type

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@ -26,10 +26,10 @@ IN: bootstrap.x86
temp0 temp0 [] MOV
! save stack pointer
temp0 [] stack-reg MOV
! load XT
temp1 0 MOV rc-absolute-cell rt-primitive jit-rel
! load vm ptr
arg1 0 MOV rc-absolute-cell rt-vm jit-rel
! load XT
temp1 0 MOV rc-absolute-cell rt-primitive jit-rel
! go
temp1 JMP
] jit-primitive jit-define

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@ -252,7 +252,7 @@ big-endian off
! pop stack
ds-reg bootstrap-cell SUB
! pass vm pointer
arg2 0 MOV rc-absolute-cell rt-vm jit-rel
arg2 0 MOV 0 jit-literal rc-absolute-cell rt-vm jit-rel
! call quotation
arg1 quot-xt-offset [+] JMP
] \ (call) define-sub-primitive
@ -402,6 +402,7 @@ big-endian off
! Comparisons
: jit-compare ( insn -- )
! load t
t jit-literal
temp3 0 MOV rc-absolute-cell rt-immediate jit-rel
! load f
temp1 \ f tag-number MOV

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@ -370,10 +370,10 @@ M: x86 %shr int-rep two-operand [ SHR ] emit-shift ;
M: x86 %sar int-rep two-operand [ SAR ] emit-shift ;
: %mov-vm-ptr ( reg -- )
0 MOV rc-absolute-cell rel-vm ;
0 MOV 0 rc-absolute-cell rel-vm ;
M: x86 %vm-field-ptr ( dst field -- )
[ drop %mov-vm-ptr ] [ vm-field-offset ADD ] 2bi ;
[ 0 MOV ] dip vm-field-offset rc-absolute-cell rel-vm ;
: load-allot-ptr ( nursery-ptr allot-ptr -- )
[ drop "nursery" %vm-field-ptr ] [ swap [] MOV ] 2bi ;

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@ -8,10 +8,10 @@ IN: quotations
<PRIVATE
: uncurry ( curry -- obj quot )
dup 2 slot swap 3 slot ; inline
{ curry } declare dup 2 slot swap 3 slot ; inline
: uncompose ( compose -- quot quot2 )
dup 2 slot swap 3 slot ; inline
{ compose } declare dup 2 slot swap 3 slot ; inline
PRIVATE>

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@ -64,14 +64,14 @@ cell factor_vm::allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_)
void factor_vm::primitive_resize_array()
{
array* a = untag_check<array>(dpop());
array *a = untag_check<array>(dpop());
cell capacity = unbox_array_size();
dpush(tag<array>(reallot_array(a,capacity)));
}
void growable_array::add(cell elt_)
{
factor_vm* parent_vm = elements.parent_vm;
factor_vm *parent_vm = elements.parent_vm;
gc_root<object> elt(elt_,parent_vm);
if(count == array_capacity(elements.untagged()))
elements = parent_vm->reallot_array(elements.untagged(),count * 2);
@ -79,6 +79,21 @@ void growable_array::add(cell elt_)
parent_vm->set_array_nth(elements.untagged(),count++,elt.value());
}
void growable_array::append(array *elts_)
{
factor_vm *parent_vm = elements.parent_vm;
gc_root<array> elts(elts_,parent_vm);
cell capacity = array_capacity(elts.untagged());
if(count + capacity > array_capacity(elements.untagged()))
{
elements = parent_vm->reallot_array(elements.untagged(),
(count + capacity) * 2);
}
for(cell index = 0; index < capacity; index++)
parent_vm->set_array_nth(elements.untagged(),count++,array_nth(elts.untagged(),index));
}
void growable_array::trim()
{
factor_vm *parent_vm = elements.parent_vm;

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@ -29,6 +29,7 @@ struct growable_array {
explicit growable_array(factor_vm *myvm, cell capacity = 10) : count(0), elements(myvm->allot_array(capacity,F),myvm) {}
void add(cell elt);
void append(array *elts);
void trim();
};

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@ -34,13 +34,13 @@ int factor_vm::number_of_parameters(relocation_type type)
case RT_IMMEDIATE:
case RT_HERE:
case RT_UNTAGGED:
case RT_VM:
return 1;
case RT_DLSYM:
return 2;
case RT_THIS:
case RT_STACK_CHAIN:
case RT_MEGAMORPHIC_CACHE_HITS:
case RT_VM:
case RT_CARDS_OFFSET:
case RT_DECKS_OFFSET:
return 0;
@ -181,7 +181,7 @@ cell factor_vm::compute_relocation(relocation_entry rel, cell index, code_block
case RT_MEGAMORPHIC_CACHE_HITS:
return (cell)&megamorphic_cache_hits;
case RT_VM:
return (cell)this;
return (cell)this + untag_fixnum(ARG);
case RT_CARDS_OFFSET:
return cards_offset;
case RT_DECKS_OFFSET:

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@ -41,9 +41,9 @@ struct jit {
void emit_subprimitive(cell word_) {
gc_root<word> word(word_,parent_vm);
gc_root<array> code_template(word->subprimitive,parent_vm);
if(array_capacity(code_template.untagged()) > 1) literal(parent_vm->T);
emit(code_template.value());
gc_root<array> code_pair(word->subprimitive,parent_vm);
literals.append(parent_vm->untag<array>(array_nth(code_pair.untagged(),0)));
emit(array_nth(code_pair.untagged(),1));
}
void emit_class_lookup(fixnum index, cell type);

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@ -199,9 +199,6 @@ struct string : public object {
/* The compiled code heap is structured into blocks. */
struct heap_block
{
/* Bit 0: mark
Bit 1-7: type
Bit 8-...: size */
cell header;
bool marked_p() { return header & 1; }

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@ -199,7 +199,9 @@ void quotation_jit::iterate_quotation()
/* Primitive calls */
if(primitive_call_p(i,length))
{
emit_with(parent_vm->userenv[JIT_PRIMITIVE],obj.value());
literal(tag_fixnum(0));
literal(obj.value());
emit(parent_vm->userenv[JIT_PRIMITIVE]);
i++;