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VM: reorg and more comments

char-rename
Björn Lindqvist 2016-10-02 03:09:53 +02:00
parent fe9ceffad5
commit f0eec26f3c
1 changed files with 15 additions and 8 deletions
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23
vm/slot_visitor.hpp
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@ -139,24 +139,32 @@ template <typename Fixup> struct slot_visitor {
void visit_callstack_object(callstack* stack); void visit_callstack_object(callstack* stack);
void visit_callstack(context* ctx); void visit_callstack(context* ctx);
void visit_context(context *ctx); void visit_context(context *ctx);
void visit_code_block_objects(code_block* compiled);
void visit_embedded_literals(code_block* compiled);
void visit_object_code_block(object* obj); void visit_object_code_block(object* obj);
void visit_context_code_blocks(); void visit_context_code_blocks();
void visit_uninitialized_code_blocks(); void visit_uninitialized_code_blocks();
void visit_embedded_code_pointers(code_block* compiled);
void visit_object(object* obj); void visit_object(object* obj);
void visit_mark_stack(std::vector<cell>* mark_stack); void visit_mark_stack(std::vector<cell>* mark_stack);
void visit_instruction_operands(code_block* block, cell rel_base);
template <typename SourceGeneration> template <typename SourceGeneration>
cell visit_card(SourceGeneration* gen, cell index, cell start); cell visit_card(SourceGeneration* gen, cell index, cell start);
template <typename SourceGeneration> template <typename SourceGeneration>
void visit_cards(SourceGeneration* gen, card mask, card unmask); void visit_cards(SourceGeneration* gen, card mask, card unmask);
void visit_code_heap_roots(std::set<code_block*>* remembered_set);
template <typename TargetGeneration> template <typename TargetGeneration>
void cheneys_algorithm(TargetGeneration* gen, cell scan); void cheneys_algorithm(TargetGeneration* gen, cell scan);
// Visits the data pointers in code blocks in the remembered set.
void visit_code_heap_roots(std::set<code_block*>* remembered_set);
// Visits pointers embedded in instructions in code blocks.
void visit_instruction_operands(code_block* block, cell rel_base);
void visit_embedded_code_pointers(code_block* compiled);
void visit_embedded_literals(code_block* compiled);
// Visits data pointers in code blocks.
void visit_code_block_objects(code_block* compiled);
}; };
template <typename Fixup> template <typename Fixup>
@ -323,7 +331,7 @@ void slot_visitor<Fixup>::visit_context(context* ctx) {
// Clear out the space not visited with a known pattern. That makes // Clear out the space not visited with a known pattern. That makes
// it easier to see if uninitialized reads are made. // it easier to see if uninitialized reads are made.
ctx->fill_stack_seg(ds_ptr, ds_seg, 0xbaadbadd); ctx->fill_stack_seg(ds_ptr, ds_seg, 0xbaadbadd);
ctx->fill_stack_seg(rs_ptr, rs_seg, 0xdaabdaab); ctx->fill_stack_seg(rs_ptr, rs_seg, 0xdaabdabb);
} }
template <typename Fixup> template <typename Fixup>
@ -352,8 +360,7 @@ void slot_visitor<Fixup>::visit_embedded_literals(code_block* compiled) {
template <typename Fixup> struct call_frame_code_block_visitor { template <typename Fixup> struct call_frame_code_block_visitor {
Fixup fixup; Fixup fixup;
call_frame_code_block_visitor(Fixup fixup) call_frame_code_block_visitor(Fixup fixup) : fixup(fixup) {}
: fixup(fixup) {}
void operator()(cell frame_top, cell size, code_block* owner, cell addr) { void operator()(cell frame_top, cell size, code_block* owner, cell addr) {
code_block* compiled = code_block* compiled =