1 // Copyright (c) 2018 Google LLC.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "source/val/validate.h"
16
17 #include "source/opcode.h"
18 #include "source/spirv_target_env.h"
19 #include "source/val/instruction.h"
20 #include "source/val/validation_state.h"
21
22 namespace spvtools {
23 namespace val {
24 namespace {
25
ValidateMemberName(ValidationState_t & _,const Instruction * inst)26 spv_result_t ValidateMemberName(ValidationState_t& _, const Instruction* inst) {
27 const auto type_id = inst->GetOperandAs<uint32_t>(0);
28 const auto type = _.FindDef(type_id);
29 if (!type || SpvOpTypeStruct != type->opcode()) {
30 return _.diag(SPV_ERROR_INVALID_ID, inst)
31 << "OpMemberName Type <id> '" << _.getIdName(type_id)
32 << "' is not a struct type.";
33 }
34 const auto member_id = inst->GetOperandAs<uint32_t>(1);
35 const auto member_count = (uint32_t)(type->words().size() - 2);
36 if (member_count <= member_id) {
37 return _.diag(SPV_ERROR_INVALID_ID, inst)
38 << "OpMemberName Member <id> '" << _.getIdName(member_id)
39 << "' index is larger than Type <id> '" << _.getIdName(type->id())
40 << "'s member count.";
41 }
42 return SPV_SUCCESS;
43 }
44
ValidateLine(ValidationState_t & _,const Instruction * inst)45 spv_result_t ValidateLine(ValidationState_t& _, const Instruction* inst) {
46 const auto file_id = inst->GetOperandAs<uint32_t>(0);
47 const auto file = _.FindDef(file_id);
48 if (!file || SpvOpString != file->opcode()) {
49 return _.diag(SPV_ERROR_INVALID_ID, inst)
50 << "OpLine Target <id> '" << _.getIdName(file_id)
51 << "' is not an OpString.";
52 }
53 return SPV_SUCCESS;
54 }
55
56 } // namespace
57
DebugPass(ValidationState_t & _,const Instruction * inst)58 spv_result_t DebugPass(ValidationState_t& _, const Instruction* inst) {
59 if (spvIsWebGPUEnv(_.context()->target_env) &&
60 spvOpcodeIsDebug(inst->opcode())) {
61 return _.diag(SPV_ERROR_INVALID_BINARY, inst)
62 << "Debugging instructions are not allowed in the WebGPU execution "
63 << "environment.";
64 }
65
66 switch (inst->opcode()) {
67 case SpvOpMemberName:
68 if (auto error = ValidateMemberName(_, inst)) return error;
69 break;
70 case SpvOpLine:
71 if (auto error = ValidateLine(_, inst)) return error;
72 break;
73 default:
74 break;
75 }
76
77 return SPV_SUCCESS;
78 }
79
80 } // namespace val
81 } // namespace spvtools
82