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Refine interpreter to improve performance, refine memory usage (#161)

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This commit is contained in:
wenyongh
2020-02-10 12:36:45 +08:00
committed by GitHub
parent 130d7d07d0
commit 256ecdfdf9
26 changed files with 485 additions and 247 deletions
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20
core/iwasm/interpreter/wasm.h
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@ -26,11 +26,7 @@ extern "C" {
/* Table Element Type */
#define TABLE_ELEM_TYPE_ANY_FUNC 0x70
#define MaxMemoryPages 65536
#define MaxTableElems UINT32_MAX
#define NumBytesPerPage 65536
#define NumBytesPerPageLog2 16
#define MaxReturnValues 16
#define DEFAULT_NUM_BYTES_PER_PAGE 65536
#define INIT_EXPR_TYPE_I32_CONST 0x41
#define INIT_EXPR_TYPE_I64_CONST 0x42
@ -110,7 +106,7 @@ typedef struct WASMTable {
typedef struct WASMMemory {
uint32 flags;
/* 64 kbytes one page by default */
uint32 num_bytes_per_page;
uint32 init_page_count;
uint32 max_page_count;
} WASMMemory;
@ -129,7 +125,7 @@ typedef struct WASMMemoryImport {
char *module_name;
char *field_name;
uint32 flags;
/* 64 kbytes one page by default */
uint32 num_bytes_per_page;
uint32 init_page_count;
uint32 max_page_count;
} WASMMemoryImport;
@ -269,6 +265,16 @@ typedef struct WASMModule {
WASMDataSeg **data_segments;
uint32 start_function;
/* __data_end global exported by llvm */
uint32 llvm_aux_data_end;
/* auxiliary stack bottom, or __heap_base global exported by llvm */
uint32 llvm_aux_stack_bottom;
/* auxiliary stack size */
uint32 llvm_aux_stack_size;
/* the index of a global exported by llvm, which is
auxiliary stack top pointer */
uint32 llvm_aux_stack_global_index;
/* Whether there is possible memory grow, e.g.
memory.grow opcode or call enlargeMemory */
bool possible_memory_grow;