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+ implemented TWasmValidationStacks.Validate for many (but not all, yet) instructions

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This commit is contained in:
Nikolay Nikolov 2024-02-05 23:29:44 +02:00
parent 7ffbbdd50b
commit d7581aa1ee
1 changed files with 364 additions and 0 deletions
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364
compiler/wasm32/aasmcpu.pas
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@ -87,6 +87,8 @@ uses
property Count: Integer read GetCount;
end;
taicpu = class;
{ TWasmValidationStacks }
TWasmValidationStacks = class
@ -100,6 +102,7 @@ uses
procedure PushVal(vt: TWasmBasicType);
function PopVal: TWasmBasicType;
function PopVal(expect: TWasmBasicType): TWasmBasicType;
function PopVal_RefType: TWasmBasicType;
procedure PushVals(vals: TWasmBasicTypeList);
function PopVals(vals: TWasmBasicTypeList): TWasmBasicTypeList;
@ -108,6 +111,8 @@ uses
function label_types(const frame: TWasmControlFrame): TWasmBasicTypeList;
procedure Unreachable;
procedure Validate(a: taicpu);
end;
twasmstruc_stack = class;
@ -508,6 +513,14 @@ uses
internalerror(2024013105);
end;
function TWasmValidationStacks.PopVal_RefType: TWasmBasicType;
begin
Result:=wbt_Unknown;
Result:=PopVal;
if not (Result in (WasmReferenceTypes + [wbt_Unknown])) then
internalerror(2024020501);
end;
procedure TWasmValidationStacks.PushVals(vals: TWasmBasicTypeList);
var
v: TWasmBasicType;
@ -571,6 +584,357 @@ uses
c^.unreachable:=true;
end;
procedure TWasmValidationStacks.Validate(a: taicpu);
begin
case a.opcode of
a_nop:
;
a_i32_const:
PushVal(wbt_i32);
a_i64_const:
PushVal(wbt_i64);
a_f32_const:
PushVal(wbt_f32);
a_f64_const:
PushVal(wbt_f64);
a_i32_add,
a_i32_sub,
a_i32_mul,
a_i32_div_s, a_i32_div_u,
a_i32_rem_s, a_i32_rem_u,
a_i32_and,
a_i32_or,
a_i32_xor,
a_i32_shl,
a_i32_shr_s, a_i32_shr_u,
a_i32_rotl,
a_i32_rotr:
begin
PopVal(wbt_i32);
PopVal(wbt_i32);
PushVal(wbt_i32);
end;
a_i64_add,
a_i64_sub,
a_i64_mul,
a_i64_div_s, a_i64_div_u,
a_i64_rem_s, a_i64_rem_u,
a_i64_and,
a_i64_or,
a_i64_xor,
a_i64_shl,
a_i64_shr_s, a_i64_shr_u,
a_i64_rotl,
a_i64_rotr:
begin
PopVal(wbt_i64);
PopVal(wbt_i64);
PushVal(wbt_i64);
end;
a_f32_add,
a_f32_sub,
a_f32_mul,
a_f32_div,
a_f32_min,
a_f32_max,
a_f32_copysign:
begin
PopVal(wbt_f32);
PopVal(wbt_f32);
PushVal(wbt_f32);
end;
a_f64_add,
a_f64_sub,
a_f64_mul,
a_f64_div,
a_f64_min,
a_f64_max,
a_f64_copysign:
begin
PopVal(wbt_f64);
PopVal(wbt_f64);
PushVal(wbt_f64);
end;
a_i32_clz,
a_i32_ctz,
a_i32_popcnt:
begin
PopVal(wbt_i32);
PushVal(wbt_i32);
end;
a_i64_clz,
a_i64_ctz,
a_i64_popcnt:
begin
PopVal(wbt_i64);
PushVal(wbt_i64);
end;
a_f32_abs,
a_f32_neg,
a_f32_sqrt,
a_f32_ceil,
a_f32_floor,
a_f32_trunc,
a_f32_nearest:
begin
PopVal(wbt_f32);
PushVal(wbt_f32);
end;
a_f64_abs,
a_f64_neg,
a_f64_sqrt,
a_f64_ceil,
a_f64_floor,
a_f64_trunc,
a_f64_nearest:
begin
PopVal(wbt_f64);
PushVal(wbt_f64);
end;
a_i32_eqz:
begin
PopVal(wbt_i32);
PushVal(wbt_i32);
end;
a_i64_eqz:
begin
PopVal(wbt_i64);
PushVal(wbt_i32);
end;
a_i32_eq,
a_i32_ne,
a_i32_lt_s, a_i32_lt_u,
a_i32_gt_s, a_i32_gt_u,
a_i32_le_s, a_i32_le_u,
a_i32_ge_s, a_i32_ge_u:
begin
PopVal(wbt_i32);
PopVal(wbt_i32);
PushVal(wbt_i32);
end;
a_i64_eq,
a_i64_ne,
a_i64_lt_s, a_i64_lt_u,
a_i64_gt_s, a_i64_gt_u,
a_i64_le_s, a_i64_le_u,
a_i64_ge_s, a_i64_ge_u:
begin
PopVal(wbt_i64);
PopVal(wbt_i64);
PushVal(wbt_i32);
end;
a_f32_eq,
a_f32_ne,
a_f32_lt,
a_f32_gt,
a_f32_le,
a_f32_ge:
begin
PopVal(wbt_f32);
PopVal(wbt_f32);
PushVal(wbt_i32);
end;
a_f64_eq,
a_f64_ne,
a_f64_lt,
a_f64_gt,
a_f64_le,
a_f64_ge:
begin
PopVal(wbt_f64);
PopVal(wbt_f64);
PushVal(wbt_i32);
end;
a_i32_extend8_s,
a_i32_extend16_s:
begin
PopVal(wbt_i32);
PushVal(wbt_i32);
end;
a_i64_extend8_s,
a_i64_extend16_s,
a_i64_extend32_s:
begin
PopVal(wbt_i64);
PushVal(wbt_i64);
end;
a_i32_wrap_i64:
begin
PopVal(wbt_i64);
PushVal(wbt_i32);
end;
a_i64_extend_i32_s,
a_i64_extend_i32_u:
begin
PopVal(wbt_i32);
PushVal(wbt_i64);
end;
a_i32_trunc_f32_s,
a_i32_trunc_f32_u,
a_i32_trunc_sat_f32_s,
a_i32_trunc_sat_f32_u:
begin
PopVal(wbt_f32);
PushVal(wbt_i32);
end;
a_i32_trunc_f64_s,
a_i32_trunc_f64_u,
a_i32_trunc_sat_f64_s,
a_i32_trunc_sat_f64_u:
begin
PopVal(wbt_f64);
PushVal(wbt_i32);
end;
a_i64_trunc_f32_s,
a_i64_trunc_f32_u,
a_i64_trunc_sat_f32_s,
a_i64_trunc_sat_f32_u:
begin
PopVal(wbt_f32);
PushVal(wbt_i64);
end;
a_i64_trunc_f64_s,
a_i64_trunc_f64_u,
a_i64_trunc_sat_f64_s,
a_i64_trunc_sat_f64_u:
begin
PopVal(wbt_f64);
PushVal(wbt_i64);
end;
a_f32_demote_f64:
begin
PopVal(wbt_f64);
PushVal(wbt_f32);
end;
a_f64_promote_f32:
begin
PopVal(wbt_f32);
PushVal(wbt_f64);
end;
a_f32_convert_i32_s,
a_f32_convert_i32_u:
begin
PopVal(wbt_i32);
PushVal(wbt_f32);
end;
a_f32_convert_i64_s,
a_f32_convert_i64_u:
begin
PopVal(wbt_i64);
PushVal(wbt_f32);
end;
a_f64_convert_i32_s,
a_f64_convert_i32_u:
begin
PopVal(wbt_i32);
PushVal(wbt_f64);
end;
a_f64_convert_i64_s,
a_f64_convert_i64_u:
begin
PopVal(wbt_i64);
PushVal(wbt_f64);
end;
a_i32_reinterpret_f32:
begin
PopVal(wbt_f32);
PushVal(wbt_i32);
end;
a_i64_reinterpret_f64:
begin
PopVal(wbt_f64);
PushVal(wbt_i64);
end;
a_f32_reinterpret_i32:
begin
PopVal(wbt_i32);
PushVal(wbt_f32);
end;
a_f64_reinterpret_i64:
begin
PopVal(wbt_i64);
PushVal(wbt_f64);
end;
a_ref_null_externref:
PushVal(wbt_externref);
a_ref_null_funcref:
PushVal(wbt_funcref);
a_ref_is_null:
begin
PopVal_RefType;
PushVal(wbt_i32);
end;
a_drop:
PopVal;
a_unreachable:
Unreachable;
a_i32_load,
a_i32_load16_s, a_i32_load16_u,
a_i32_load8_s, a_i32_load8_u:
begin
PopVal(wbt_i32);
PushVal(wbt_i32);
end;
a_i64_load,
a_i64_load32_s, a_i64_load32_u,
a_i64_load16_s, a_i64_load16_u,
a_i64_load8_s, a_i64_load8_u:
begin
PopVal(wbt_i32);
PushVal(wbt_i64);
end;
a_f32_load:
begin
PopVal(wbt_i32);
PushVal(wbt_f32);
end;
a_f64_load:
begin
PopVal(wbt_i32);
PushVal(wbt_f64);
end;
a_i32_store,
a_i32_store16,
a_i32_store8:
begin
PopVal(wbt_i32);
PopVal(wbt_i32);
end;
a_i64_store,
a_i64_store32,
a_i64_store16,
a_i64_store8:
begin
PopVal(wbt_i64);
PopVal(wbt_i32);
end;
a_f32_store:
begin
PopVal(wbt_f32);
PopVal(wbt_i32);
end;
a_f64_store:
begin
PopVal(wbt_f64);
PopVal(wbt_i32);
end;
a_memory_size:
PushVal(wbt_i32);
a_memory_grow:
begin
PopVal(wbt_i32);
PushVal(wbt_i32);
end;
a_memory_fill,
a_memory_copy:
begin
PopVal(wbt_i32);
PopVal(wbt_i32);
PopVal(wbt_i32);
end;
end;
end;
{ twasmstruc_stack }
function twasmstruc_stack.Get(Index: Integer): taicpu_wasm_structured_instruction;