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feature: better memory information restore mechanism

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This commit is contained in:
xiangjia.xj 2025-02-25 17:52:59 +08:00
parent 3f268e5150
commit e3dcf4f8ac
4 changed files with 173 additions and 152 deletions
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9
core/iwasm/compilation/aot_compiler.c
View File

@ -999,6 +999,7 @@ static bool
aot_compile_func(AOTCompContext *comp_ctx, uint32 func_index)
{
AOTFuncContext *func_ctx = comp_ctx->func_ctxes[func_index];
WASMModule *module = comp_ctx->comp_data->wasm_module;
LLVMValueRef func_index_ref;
uint8 *frame_ip = func_ctx->aot_func->code, opcode, *p_f32, *p_f64;
uint8 *frame_ip_end = frame_ip + func_ctx->aot_func->code_size;
@ -1230,6 +1231,8 @@ aot_compile_func(AOTCompContext *comp_ctx, uint32 func_index)
read_leb_uint32(frame_ip, frame_ip_end, func_idx);
if (!aot_compile_op_call(comp_ctx, func_ctx, func_idx, false))
return false;
if (module->functions[func_index]->has_memory_operations)
restore_memory_info(comp_ctx, func_ctx);
break;
}
@ -1250,6 +1253,8 @@ aot_compile_func(AOTCompContext *comp_ctx, uint32 func_index)
if (!aot_compile_op_call_indirect(comp_ctx, func_ctx, type_idx,
tbl_idx))
return false;
if (module->functions[func_index]->has_memory_operations)
restore_memory_info(comp_ctx, func_ctx);
break;
}
@ -1420,6 +1425,8 @@ aot_compile_func(AOTCompContext *comp_ctx, uint32 func_index)
if (!aot_compile_op_call_ref(comp_ctx, func_ctx, type_idx,
false))
return false;
if (module->functions[func_index]->has_memory_operations)
restore_memory_info(comp_ctx, func_ctx);
break;
}
@ -2092,6 +2099,8 @@ aot_compile_func(AOTCompContext *comp_ctx, uint32 func_index)
read_leb_uint32(frame_ip, frame_ip_end, mem_idx);
if (!aot_compile_op_memory_grow(comp_ctx, func_ctx))
return false;
if (module->functions[func_index]->has_memory_operations)
restore_memory_info(comp_ctx, func_ctx);
break;
case WASM_OP_I32_CONST:

57
core/iwasm/compilation/aot_emit_memory.c
View File

@ -78,9 +78,6 @@ get_memory_check_bound(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
return NULL;
}
if (func_ctx->mem_space_unchanged)
return mem_check_bound;
if (!(mem_check_bound = LLVMBuildLoad2(
comp_ctx->builder,
(comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE : I32_TYPE,
@ -164,17 +161,15 @@ aot_check_memory_overflow(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
}
/* Get memory base address and memory data size */
if (func_ctx->mem_space_unchanged
#if WASM_ENABLE_SHARED_MEMORY != 0
|| is_shared_memory
#endif
) {
if (is_shared_memory)
mem_base_addr = func_ctx->mem_info[0].mem_base_addr;
}
else {
else
#endif
{
if (!(mem_base_addr = LLVMBuildLoad2(
comp_ctx->builder, OPQ_PTR_TYPE,
func_ctx->mem_info[0].mem_base_addr, "mem_base"))) {
func_ctx->mem_info[0].mem_base_addr, "mem_base_addr"))) {
aot_set_last_error("llvm build load failed.");
goto fail;
}
@ -1015,16 +1010,11 @@ get_memory_curr_page_count(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx)
{
LLVMValueRef mem_size;
if (func_ctx->mem_space_unchanged) {
mem_size = func_ctx->mem_info[0].mem_cur_page_count_addr;
}
else {
if (!(mem_size = LLVMBuildLoad2(
comp_ctx->builder, I32_TYPE,
func_ctx->mem_info[0].mem_cur_page_count_addr, "mem_size"))) {
aot_set_last_error("llvm build load failed.");
goto fail;
}
if (!(mem_size = LLVMBuildLoad2(
comp_ctx->builder, I32_TYPE,
func_ctx->mem_info[0].mem_cur_page_count, "mem_size"))) {
aot_set_last_error("llvm build load failed.");
goto fail;
}
return LLVMBuildIntCast(comp_ctx->builder, mem_size,
@ -1165,16 +1155,14 @@ check_bulk_memory_overflow(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
#if WASM_ENABLE_SHARED_MEMORY != 0
bool is_shared_memory = comp_ctx->comp_data->memories[0].flags & 0x02;
if (func_ctx->mem_space_unchanged || is_shared_memory) {
#else
if (func_ctx->mem_space_unchanged) {
#endif
if (is_shared_memory)
mem_base_addr = func_ctx->mem_info[0].mem_base_addr;
}
else {
else
#endif
{
if (!(mem_base_addr = LLVMBuildLoad2(
comp_ctx->builder, OPQ_PTR_TYPE,
func_ctx->mem_info[0].mem_base_addr, "mem_base"))) {
func_ctx->mem_info[0].mem_base_addr, "mem_base_addr"))) {
aot_set_last_error("llvm build load failed.");
goto fail;
}
@ -1206,16 +1194,11 @@ check_bulk_memory_overflow(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
}
}
if (func_ctx->mem_space_unchanged) {
mem_size = func_ctx->mem_info[0].mem_data_size_addr;
}
else {
if (!(mem_size = LLVMBuildLoad2(
comp_ctx->builder, I64_TYPE,
func_ctx->mem_info[0].mem_data_size_addr, "mem_size"))) {
aot_set_last_error("llvm build load failed.");
goto fail;
}
if (!(mem_size = LLVMBuildLoad2(
comp_ctx->builder, I64_TYPE,
func_ctx->mem_info[0].mem_data_size, "mem_size"))) {
aot_set_last_error("llvm build load failed.");
goto fail;
}
ADD_BASIC_BLOCK(check_succ, "check_succ");

247
core/iwasm/compilation/aot_llvm.c
View File

@ -1186,6 +1186,53 @@ create_local_variables(const AOTCompData *comp_data,
return true;
}
static bool
restore_from_addr(const AOTCompContext *comp_ctx, const char *name,
LLVMTypeRef type, LLVMValueRef src, LLVMValueRef dest) {
LLVMValueRef item;
if (!(item = LLVMBuildLoad2(comp_ctx->builder, type, src, name))) {
aot_set_last_error("llvm build load failed");
return false;
}
if (!LLVMBuildStore(comp_ctx->builder, item, dest)) {
aot_set_last_error("llvm build store failed");
return false;
}
return true;
}
bool
restore_memory_info(const AOTCompContext *comp_ctx, AOTFuncContext *func_ctx) {
LLVMTypeRef ptr_type = (comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE
: I32_TYPE;
if (!restore_from_addr(comp_ctx, "mem_base_addr", OPQ_PTR_TYPE,
func_ctx->mem_info[0].mem_base_addr_addr,
func_ctx->mem_info[0].mem_base_addr)
|| !restore_from_addr(comp_ctx, "mem_data_size", I64_TYPE,
func_ctx->mem_info[0].mem_data_size_addr,
func_ctx->mem_info[0].mem_data_size)
|| !restore_from_addr(comp_ctx, "mem_cur_page_count", I32_TYPE,
func_ctx->mem_info[0].mem_cur_page_count_addr,
func_ctx->mem_info[0].mem_cur_page_count)
|| !restore_from_addr(comp_ctx, "mem_bound_check_1byte", ptr_type,
func_ctx->mem_info[0].mem_bound_check_1byte_addr,
func_ctx->mem_info[0].mem_bound_check_1byte)
|| !restore_from_addr(comp_ctx, "mem_bound_check_2bytes", ptr_type,
func_ctx->mem_info[0].mem_bound_check_2bytes_addr,
func_ctx->mem_info[0].mem_bound_check_2bytes)
|| !restore_from_addr(comp_ctx, "mem_bound_check_4bytes", ptr_type,
func_ctx->mem_info[0].mem_bound_check_4bytes_addr,
func_ctx->mem_info[0].mem_bound_check_4bytes)
|| !restore_from_addr(comp_ctx, "mem_bound_check_8bytes", ptr_type,
func_ctx->mem_info[0].mem_bound_check_8bytes_addr,
func_ctx->mem_info[0].mem_bound_check_8bytes)
|| !restore_from_addr(comp_ctx, "mem_bound_check_16bytes", ptr_type,
func_ctx->mem_info[0].mem_bound_check_16bytes_addr,
func_ctx->mem_info[0].mem_bound_check_16bytes))
return false;
return true;
}
static bool
create_memory_info(const AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
LLVMTypeRef int8_ptr_type, uint32 func_index)
@ -1193,17 +1240,11 @@ create_memory_info(const AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
LLVMValueRef offset, mem_info_base;
uint32 memory_count;
WASMModule *module = comp_ctx->comp_data->wasm_module;
WASMFunction *func = module->functions[func_index];
LLVMTypeRef bound_check_type;
bool mem_space_unchanged =
(!func->has_op_memory_grow && !func->has_op_func_call)
|| (!module->possible_memory_grow);
#if WASM_ENABLE_SHARED_MEMORY != 0
bool is_shared_memory;
#endif
func_ctx->mem_space_unchanged = mem_space_unchanged;
memory_count = module->memory_count + module->import_memory_count;
/* If the module doesn't have memory, reserve
one mem_info space with empty content */
@ -1263,7 +1304,7 @@ create_memory_info(const AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
}
/* memories[0]->memory_data */
offset = I32_CONST(offsetof(AOTMemoryInstance, memory_data));
if (!(func_ctx->mem_info[0].mem_base_addr = LLVMBuildInBoundsGEP2(
if (!(func_ctx->mem_info[0].mem_base_addr_addr = LLVMBuildInBoundsGEP2(
comp_ctx->builder, INT8_TYPE, shared_mem_addr, &offset, 1,
"mem_base_addr_offset"))) {
aot_set_last_error("llvm build in bounds gep failed");
@ -1274,7 +1315,7 @@ create_memory_info(const AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
if (!(func_ctx->mem_info[0].mem_cur_page_count_addr =
LLVMBuildInBoundsGEP2(comp_ctx->builder, INT8_TYPE,
shared_mem_addr, &offset, 1,
"mem_cur_page_offset"))) {
"mem_cur_page_count_offset"))) {
aot_set_last_error("llvm build in bounds gep failed");
return false;
}
@ -1301,7 +1342,7 @@ create_memory_info(const AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
offset = I32_CONST(offset_of_global_table_data
+ offsetof(AOTMemoryInstance, memory_data));
if (!(func_ctx->mem_info[0].mem_base_addr = LLVMBuildInBoundsGEP2(
if (!(func_ctx->mem_info[0].mem_base_addr_addr = LLVMBuildInBoundsGEP2(
comp_ctx->builder, INT8_TYPE, func_ctx->aot_inst, &offset, 1,
"mem_base_addr_offset"))) {
aot_set_last_error("llvm build in bounds gep failed");
@ -1312,7 +1353,7 @@ create_memory_info(const AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
if (!(func_ctx->mem_info[0].mem_cur_page_count_addr =
LLVMBuildInBoundsGEP2(comp_ctx->builder, INT8_TYPE,
func_ctx->aot_inst, &offset, 1,
"mem_cur_page_offset"))) {
"mem_cur_page_count_offset"))) {
aot_set_last_error("llvm build in bounds gep failed");
return false;
}
@ -1326,59 +1367,55 @@ create_memory_info(const AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
}
}
/* Store mem info base address before cast */
mem_info_base = func_ctx->mem_info[0].mem_base_addr;
if (!(func_ctx->mem_info[0].mem_base_addr = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_base_addr,
int8_ptr_type, "mem_base_addr_ptr"))) {
mem_info_base = func_ctx->mem_info[0].mem_base_addr_addr;
if (!(func_ctx->mem_info[0].mem_base_addr_addr = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_base_addr_addr,
int8_ptr_type, "mem_base_addr_addr"))) {
aot_set_last_error("llvm build bit cast failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_cur_page_count_addr = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_cur_page_count_addr,
INT32_PTR_TYPE, "mem_cur_page_ptr"))) {
INT32_PTR_TYPE, "mem_cur_page_count_addr"))) {
aot_set_last_error("llvm build bit cast failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_data_size_addr = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_data_size_addr,
INT64_PTR_TYPE, "mem_data_size_ptr"))) {
INT64_PTR_TYPE, "mem_data_size_addr"))) {
aot_set_last_error("llvm build bit cast failed");
return false;
}
if (mem_space_unchanged) {
if (!(func_ctx->mem_info[0].mem_base_addr = LLVMBuildLoad2(
comp_ctx->builder, OPQ_PTR_TYPE,
func_ctx->mem_info[0].mem_base_addr, "mem_base_addr"))) {
aot_set_last_error("llvm build load failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_cur_page_count_addr =
LLVMBuildLoad2(comp_ctx->builder, I32_TYPE,
func_ctx->mem_info[0].mem_cur_page_count_addr,
"mem_cur_page_count"))) {
aot_set_last_error("llvm build load failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_data_size_addr = LLVMBuildLoad2(
comp_ctx->builder, I64_TYPE,
func_ctx->mem_info[0].mem_data_size_addr, "mem_data_size"))) {
aot_set_last_error("llvm build load failed");
return false;
}
}
#if WASM_ENABLE_SHARED_MEMORY != 0
else if (is_shared_memory) {
if (is_shared_memory) {
/* The base address for shared memory will never changed,
we can load the value here */
if (!(func_ctx->mem_info[0].mem_base_addr = LLVMBuildLoad2(
comp_ctx->builder, OPQ_PTR_TYPE,
func_ctx->mem_info[0].mem_base_addr, "mem_base_addr"))) {
func_ctx->mem_info[0].mem_base_addr_addr, "mem_base_addr"))) {
aot_set_last_error("llvm build load failed");
return false;
}
}
else
#endif
{
if (!(func_ctx->mem_info[0].mem_base_addr = LLVMBuildAlloca(
comp_ctx->builder, OPQ_PTR_TYPE, "mem_base_addr"))) {
aot_set_last_error("llvm build alloca failed.");
return false;
}
if (!(func_ctx->mem_info[0].mem_data_size = LLVMBuildAlloca(
comp_ctx->builder, I64_TYPE, "mem_data_size"))) {
aot_set_last_error("llvm build alloca failed.");
return false;
}
if (!(func_ctx->mem_info[0].mem_cur_page_count = LLVMBuildAlloca(
comp_ctx->builder, I32_TYPE, "mem_cur_page_count"))) {
aot_set_last_error("llvm build alloca failed.");
return false;
}
}
bound_check_type = (comp_ctx->pointer_size == sizeof(uint64))
? INT64_PTR_TYPE
@ -1387,135 +1424,117 @@ create_memory_info(const AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
/* Load memory bound check constants */
offset = I32_CONST(offsetof(AOTMemoryInstance, mem_bound_check_1byte)
- offsetof(AOTMemoryInstance, memory_data));
if (!(func_ctx->mem_info[0].mem_bound_check_1byte =
if (!(func_ctx->mem_info[0].mem_bound_check_1byte_addr =
LLVMBuildInBoundsGEP2(comp_ctx->builder, INT8_TYPE, mem_info_base,
&offset, 1, "bound_check_1byte_offset"))) {
aot_set_last_error("llvm build in bounds gep failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_bound_check_1byte = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_bound_check_1byte,
bound_check_type, "bound_check_1byte_ptr"))) {
if (!(func_ctx->mem_info[0].mem_bound_check_1byte_addr = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_bound_check_1byte_addr,
bound_check_type, "bound_check_1byte_addr"))) {
aot_set_last_error("llvm build bit cast failed");
return false;
}
if (mem_space_unchanged) {
if (!(func_ctx->mem_info[0].mem_bound_check_1byte = LLVMBuildLoad2(
comp_ctx->builder,
(comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE
: I32_TYPE,
func_ctx->mem_info[0].mem_bound_check_1byte,
"bound_check_1byte"))) {
aot_set_last_error("llvm build load failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_bound_check_1byte = LLVMBuildAlloca(
comp_ctx->builder,
(comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE
: I32_TYPE,
"mem_bound_check_1byte"))) {
aot_set_last_error("llvm build alloca failed.");
return false;
}
offset = I32_CONST(offsetof(AOTMemoryInstance, mem_bound_check_2bytes)
- offsetof(AOTMemoryInstance, memory_data));
if (!(func_ctx->mem_info[0].mem_bound_check_2bytes =
if (!(func_ctx->mem_info[0].mem_bound_check_2bytes_addr =
LLVMBuildInBoundsGEP2(comp_ctx->builder, INT8_TYPE, mem_info_base,
&offset, 1, "bound_check_2bytes_offset"))) {
aot_set_last_error("llvm build in bounds gep failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_bound_check_2bytes = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_bound_check_2bytes,
bound_check_type, "bound_check_2bytes_ptr"))) {
if (!(func_ctx->mem_info[0].mem_bound_check_2bytes_addr = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_bound_check_2bytes_addr,
bound_check_type, "bound_check_2bytes_addr"))) {
aot_set_last_error("llvm build bit cast failed");
return false;
}
if (mem_space_unchanged) {
if (!(func_ctx->mem_info[0].mem_bound_check_2bytes = LLVMBuildLoad2(
comp_ctx->builder,
(comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE
: I32_TYPE,
func_ctx->mem_info[0].mem_bound_check_2bytes,
"bound_check_2bytes"))) {
aot_set_last_error("llvm build load failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_bound_check_2bytes = LLVMBuildAlloca(
comp_ctx->builder,
(comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE
: I32_TYPE,
"mem_bound_check_2bytes"))) {
aot_set_last_error("llvm build alloca failed.");
return false;
}
offset = I32_CONST(offsetof(AOTMemoryInstance, mem_bound_check_4bytes)
- offsetof(AOTMemoryInstance, memory_data));
if (!(func_ctx->mem_info[0].mem_bound_check_4bytes =
if (!(func_ctx->mem_info[0].mem_bound_check_4bytes_addr =
LLVMBuildInBoundsGEP2(comp_ctx->builder, INT8_TYPE, mem_info_base,
&offset, 1, "bound_check_4bytes_offset"))) {
aot_set_last_error("llvm build in bounds gep failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_bound_check_4bytes = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_bound_check_4bytes,
bound_check_type, "bound_check_4bytes_ptr"))) {
if (!(func_ctx->mem_info[0].mem_bound_check_4bytes_addr = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_bound_check_4bytes_addr,
bound_check_type, "bound_check_4bytes_addr"))) {
aot_set_last_error("llvm build bit cast failed");
return false;
}
if (mem_space_unchanged) {
if (!(func_ctx->mem_info[0].mem_bound_check_4bytes = LLVMBuildLoad2(
comp_ctx->builder,
(comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE
: I32_TYPE,
func_ctx->mem_info[0].mem_bound_check_4bytes,
"bound_check_4bytes"))) {
aot_set_last_error("llvm build load failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_bound_check_4bytes = LLVMBuildAlloca(
comp_ctx->builder,
(comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE
: I32_TYPE,
"mem_bound_check_4bytes"))) {
aot_set_last_error("llvm build alloca failed.");
return false;
}
offset = I32_CONST(offsetof(AOTMemoryInstance, mem_bound_check_8bytes)
- offsetof(AOTMemoryInstance, memory_data));
if (!(func_ctx->mem_info[0].mem_bound_check_8bytes =
if (!(func_ctx->mem_info[0].mem_bound_check_8bytes_addr =
LLVMBuildInBoundsGEP2(comp_ctx->builder, INT8_TYPE, mem_info_base,
&offset, 1, "bound_check_8bytes_offset"))) {
aot_set_last_error("llvm build in bounds gep failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_bound_check_8bytes = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_bound_check_8bytes,
bound_check_type, "bound_check_8bytes_ptr"))) {
if (!(func_ctx->mem_info[0].mem_bound_check_8bytes_addr = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_bound_check_8bytes_addr,
bound_check_type, "bound_check_8bytes_addr"))) {
aot_set_last_error("llvm build bit cast failed");
return false;
}
if (mem_space_unchanged) {
if (!(func_ctx->mem_info[0].mem_bound_check_8bytes = LLVMBuildLoad2(
comp_ctx->builder,
(comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE
: I32_TYPE,
func_ctx->mem_info[0].mem_bound_check_8bytes,
"bound_check_8bytes"))) {
aot_set_last_error("llvm build load failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_bound_check_8bytes = LLVMBuildAlloca(
comp_ctx->builder,
(comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE
: I32_TYPE,
"mem_bound_check_8bytes"))) {
aot_set_last_error("llvm build alloca failed.");
return false;
}
offset = I32_CONST(offsetof(AOTMemoryInstance, mem_bound_check_16bytes)
- offsetof(AOTMemoryInstance, memory_data));
if (!(func_ctx->mem_info[0].mem_bound_check_16bytes = LLVMBuildInBoundsGEP2(
if (!(func_ctx->mem_info[0].mem_bound_check_16bytes_addr = LLVMBuildInBoundsGEP2(
comp_ctx->builder, INT8_TYPE, mem_info_base, &offset, 1,
"bound_check_16bytes_offset"))) {
aot_set_last_error("llvm build in bounds gep failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_bound_check_16bytes = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_bound_check_16bytes,
bound_check_type, "bound_check_16bytes_ptr"))) {
if (!(func_ctx->mem_info[0].mem_bound_check_16bytes_addr = LLVMBuildBitCast(
comp_ctx->builder, func_ctx->mem_info[0].mem_bound_check_16bytes_addr,
bound_check_type, "bound_check_16bytes_addr"))) {
aot_set_last_error("llvm build bit cast failed");
return false;
}
if (mem_space_unchanged) {
if (!(func_ctx->mem_info[0].mem_bound_check_16bytes = LLVMBuildLoad2(
comp_ctx->builder,
(comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE
: I32_TYPE,
func_ctx->mem_info[0].mem_bound_check_16bytes,
"bound_check_16bytes"))) {
aot_set_last_error("llvm build load failed");
return false;
}
if (!(func_ctx->mem_info[0].mem_bound_check_16bytes = LLVMBuildAlloca(
comp_ctx->builder,
(comp_ctx->pointer_size == sizeof(uint64)) ? I64_TYPE
: I32_TYPE,
"mem_bound_check_16bytes"))) {
aot_set_last_error("llvm build alloca failed.");
return false;
}
return true;
return restore_memory_info(comp_ctx, func_ctx);
}
static bool

12
core/iwasm/compilation/aot_llvm.h
View File

@ -215,13 +215,21 @@ typedef struct AOTCheckedAddr {
typedef struct AOTMemInfo {
LLVMValueRef mem_base_addr;
LLVMValueRef mem_base_addr_addr;
LLVMValueRef mem_data_size;
LLVMValueRef mem_data_size_addr;
LLVMValueRef mem_cur_page_count;
LLVMValueRef mem_cur_page_count_addr;
LLVMValueRef mem_bound_check_1byte;
LLVMValueRef mem_bound_check_1byte_addr;
LLVMValueRef mem_bound_check_2bytes;
LLVMValueRef mem_bound_check_2bytes_addr;
LLVMValueRef mem_bound_check_4bytes;
LLVMValueRef mem_bound_check_4bytes_addr;
LLVMValueRef mem_bound_check_8bytes;
LLVMValueRef mem_bound_check_8bytes_addr;
LLVMValueRef mem_bound_check_16bytes;
LLVMValueRef mem_bound_check_16bytes_addr;
} AOTMemInfo;
typedef struct AOTFuncContext {
@ -251,7 +259,6 @@ typedef struct AOTFuncContext {
LLVMValueRef wasm_stack_top_bound;
LLVMValueRef wasm_stack_top_ptr;
bool mem_space_unchanged;
AOTCheckedAddrList checked_addr_list;
LLVMValueRef shared_heap_base_addr_adj;
@ -653,6 +660,9 @@ unsigned int
aot_estimate_stack_usage_for_function_call(const AOTCompContext *comp_ctx,
const AOTFuncType *callee_func_type);
bool
restore_memory_info(const AOTCompContext *comp_ctx, AOTFuncContext *func_ctx);
#ifdef __cplusplus
} /* end of extern "C" */
#endif