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[WebAssembly] Explicitly specify function/global index space in YAML

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These indexes are useful because they are not always zero based and
functions and globals are referenced elsewhere by their index.

This matches what we already do for the type index space.

Differential Revision: https://reviews.llvm.org/D41877

llvm-svn: 322121
This commit is contained in:
Sam Clegg 2018-01-09 21:38:53 +00:00
parent 49faf0a1ac
commit 9ebc8a13dc
23 changed files with 168 additions and 75 deletions
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2
include/llvm/BinaryFormat/Wasm.h
View File

@ -66,6 +66,7 @@ struct WasmInitExpr {
}; };
struct WasmGlobal { struct WasmGlobal {
uint32_t Index;
int32_t Type; int32_t Type;
bool Mutable; bool Mutable;
WasmInitExpr InitExpr; WasmInitExpr InitExpr;
@ -89,6 +90,7 @@ struct WasmLocalDecl {
}; };
struct WasmFunction { struct WasmFunction {
uint32_t Index;
std::vector<WasmLocalDecl> Locals; std::vector<WasmLocalDecl> Locals;
ArrayRef<uint8_t> Body; ArrayRef<uint8_t> Body;
uint32_t CodeSectionOffset; uint32_t CodeSectionOffset;

2
include/llvm/ObjectYAML/WasmYAML.h
View File

@ -66,6 +66,7 @@ struct ElemSegment {
}; };
struct Global { struct Global {
uint32_t Index;
ValueType Type; ValueType Type;
bool Mutable; bool Mutable;
wasm::WasmInitExpr InitExpr; wasm::WasmInitExpr InitExpr;
@ -89,6 +90,7 @@ struct LocalDecl {
}; };
struct Function { struct Function {
uint32_t Index;
std::vector<LocalDecl> Locals; std::vector<LocalDecl> Locals;
yaml::BinaryRef Body; yaml::BinaryRef Body;
}; };

4
lib/Object/WasmObjectFile.cpp
View File

@ -632,6 +632,7 @@ Error WasmObjectFile::parseGlobalSection(const uint8_t *Ptr, const uint8_t *End)
Globals.reserve(Count); Globals.reserve(Count);
while (Count--) { while (Count--) {
wasm::WasmGlobal Global; wasm::WasmGlobal Global;
Global.Index = NumImportedGlobals + Globals.size();
Global.Type = readVarint7(Ptr); Global.Type = readVarint7(Ptr);
Global.Mutable = readVaruint1(Ptr); Global.Mutable = readVaruint1(Ptr);
if (Error Err = readInitExpr(Global.InitExpr, Ptr)) if (Error Err = readInitExpr(Global.InitExpr, Ptr))
@ -706,6 +707,7 @@ Error WasmObjectFile::parseCodeSection(const uint8_t *Ptr, const uint8_t *End) {
uint32_t Size = readVaruint32(Ptr); uint32_t Size = readVaruint32(Ptr);
const uint8_t *FunctionEnd = Ptr + Size; const uint8_t *FunctionEnd = Ptr + Size;
Function.Index = NumImportedFunctions + Functions.size();
Function.CodeSectionOffset = FunctionStart - CodeSectionStart; Function.CodeSectionOffset = FunctionStart - CodeSectionStart;
Function.Size = FunctionEnd - FunctionStart; Function.Size = FunctionEnd - FunctionStart;
@ -858,7 +860,7 @@ uint64_t WasmObjectFile::getWasmSymbolValue(const WasmSymbol& Sym) const {
case WasmSymbol::SymbolType::GLOBAL_EXPORT: { case WasmSymbol::SymbolType::GLOBAL_EXPORT: {
uint32_t GlobalIndex = Sym.ElementIndex - NumImportedGlobals; uint32_t GlobalIndex = Sym.ElementIndex - NumImportedGlobals;
assert(GlobalIndex < Globals.size()); assert(GlobalIndex < Globals.size());
const wasm::WasmGlobal& Global = Globals[GlobalIndex]; const wasm::WasmGlobal &Global = Globals[GlobalIndex];
// WasmSymbols correspond only to I32_CONST globals // WasmSymbols correspond only to I32_CONST globals
assert(Global.InitExpr.Opcode == wasm::WASM_OPCODE_I32_CONST); assert(Global.InitExpr.Opcode == wasm::WASM_OPCODE_I32_CONST);
return Global.InitExpr.Value.Int32; return Global.InitExpr.Value.Int32;

4
lib/ObjectYAML/WasmYAML.cpp
View File

@ -236,7 +236,7 @@ void ScalarEnumerationTraits<WasmYAML::SectionType>::enumeration(
void MappingTraits<WasmYAML::Signature>::mapping( void MappingTraits<WasmYAML::Signature>::mapping(
IO &IO, WasmYAML::Signature &Signature) { IO &IO, WasmYAML::Signature &Signature) {
IO.mapOptional("Index", Signature.Index); IO.mapRequired("Index", Signature.Index);
IO.mapRequired("ReturnType", Signature.ReturnType); IO.mapRequired("ReturnType", Signature.ReturnType);
IO.mapRequired("ParamTypes", Signature.ParamTypes); IO.mapRequired("ParamTypes", Signature.ParamTypes);
} }
@ -248,6 +248,7 @@ void MappingTraits<WasmYAML::Table>::mapping(IO &IO, WasmYAML::Table &Table) {
void MappingTraits<WasmYAML::Function>::mapping(IO &IO, void MappingTraits<WasmYAML::Function>::mapping(IO &IO,
WasmYAML::Function &Function) { WasmYAML::Function &Function) {
IO.mapRequired("Index", Function.Index);
IO.mapRequired("Locals", Function.Locals); IO.mapRequired("Locals", Function.Locals);
IO.mapRequired("Body", Function.Body); IO.mapRequired("Body", Function.Body);
} }
@ -323,6 +324,7 @@ void MappingTraits<WasmYAML::Export>::mapping(IO &IO,
void MappingTraits<WasmYAML::Global>::mapping(IO &IO, void MappingTraits<WasmYAML::Global>::mapping(IO &IO,
WasmYAML::Global &Global) { WasmYAML::Global &Global) {
IO.mapRequired("Index", Global.Index);
IO.mapRequired("Type", Global.Type); IO.mapRequired("Type", Global.Type);
IO.mapRequired("Mutable", Global.Mutable); IO.mapRequired("Mutable", Global.Mutable);
IO.mapRequired("InitExpr", Global.InitExpr); IO.mapRequired("InitExpr", Global.InitExpr);

12
test/MC/WebAssembly/bss.ll
View File

@ -9,22 +9,26 @@
; CHECK: - Type: GLOBAL ; CHECK: - Type: GLOBAL
; CHECK-NEXT: Globals: ; CHECK-NEXT: Globals:
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 0 ; CHECK-NEXT: Value: 0
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 4 ; CHECK-NEXT: Value: 4
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 8 ; CHECK-NEXT: Value: 8
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 3
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST

12
test/MC/WebAssembly/explicit-sections.ll
View File

@ -9,22 +9,26 @@
; CHECK: - Type: GLOBAL ; CHECK: - Type: GLOBAL
; CHECK-NEXT: Globals: ; CHECK-NEXT: Globals:
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 0 ; CHECK-NEXT: Value: 0
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 8 ; CHECK-NEXT: Value: 8
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 16 ; CHECK-NEXT: Value: 16
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 3
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST

15
test/MC/WebAssembly/init-fini-array.ll
View File

@ -55,7 +55,8 @@ declare void @func3()
; CHECK-NEXT: FunctionTypes: [ 0, 1, 0, 1 ] ; CHECK-NEXT: FunctionTypes: [ 0, 1, 0, 1 ]
; CHECK-NEXT: - Type: GLOBAL ; CHECK-NEXT: - Type: GLOBAL
; CHECK-NEXT: Globals: ; CHECK-NEXT: Globals:
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
@ -110,13 +111,17 @@ declare void @func3()
; CHECK-NEXT: Index: 1 ; CHECK-NEXT: Index: 1
; CHECK-NEXT: Offset: 0x00000045 ; CHECK-NEXT: Offset: 0x00000045
; CHECK-NEXT: Functions: ; CHECK-NEXT: Functions:
; CHECK-NEXT: - Locals: ; CHECK-NEXT: - Index: 5
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 1080808080000B ; CHECK-NEXT: Body: 1080808080000B
; CHECK-NEXT: - Locals: ; CHECK-NEXT: - Index: 6
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 0240418080808000410041FFFFFFFF7F1081808080000D000F0B00000B ; CHECK-NEXT: Body: 0240418080808000410041FFFFFFFF7F1081808080000D000F0B00000B
; CHECK-NEXT: - Locals: ; CHECK-NEXT: - Index: 7
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 1082808080000B ; CHECK-NEXT: Body: 1082808080000B
; CHECK-NEXT: - Locals: ; CHECK-NEXT: - Index: 8
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 0240418180808000410041FFFFFFFF7F1081808080000D000F0B00000B ; CHECK-NEXT: Body: 0240418180808000410041FFFFFFFF7F1081808080000D000F0B00000B
; CHECK-NEXT: - Type: DATA ; CHECK-NEXT: - Type: DATA
; CHECK-NEXT: Segments: ; CHECK-NEXT: Segments:

12
test/MC/WebAssembly/unnamed-data.ll
View File

@ -9,22 +9,26 @@
; CHECK: - Type: GLOBAL ; CHECK: - Type: GLOBAL
; CHECK-NEXT: Globals: ; CHECK-NEXT: Globals:
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 0 ; CHECK-NEXT: Value: 0
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 6 ; CHECK-NEXT: Value: 6
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 16 ; CHECK-NEXT: Value: 16
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 3
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST

24
test/MC/WebAssembly/weak-alias.ll
View File

@ -76,17 +76,20 @@ entry:
; CHECK-NEXT: FunctionTypes: [ 0, 0, 0, 0, 0 ] ; CHECK-NEXT: FunctionTypes: [ 0, 0, 0, 0, 0 ]
; CHECK-NEXT: - Type: GLOBAL ; CHECK-NEXT: - Type: GLOBAL
; CHECK-NEXT: Globals: ; CHECK-NEXT: Globals:
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 8 ; CHECK-NEXT: Value: 8
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 16 ; CHECK-NEXT: Value: 16
; CHECK-NEXT: - Type: I32 ; CHECK-NEXT: - Index: 3
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false ; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr: ; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST ; CHECK-NEXT: Opcode: I32_CONST
@ -150,15 +153,20 @@ entry:
; CHECK-NEXT: Index: 0 ; CHECK-NEXT: Index: 0
; CHECK-NEXT: Offset: 0x00000037 ; CHECK-NEXT: Offset: 0x00000037
; CHECK-NEXT: Functions: ; CHECK-NEXT: Functions:
; CHECK-NEXT: - Locals: ; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 41000B ; CHECK-NEXT: Body: 41000B
; CHECK-NEXT: - Locals: ; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 1081808080000B ; CHECK-NEXT: Body: 1081808080000B
; CHECK-NEXT: - Locals: ; CHECK-NEXT: - Index: 3
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 1080808080000B ; CHECK-NEXT: Body: 1080808080000B
; CHECK-NEXT: - Locals: ; CHECK-NEXT: - Index: 4
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 410028028880808000118080808000000B ; CHECK-NEXT: Body: 410028028880808000118080808000000B
; CHECK-NEXT: - Locals: ; CHECK-NEXT: - Index: 5
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 410028029080808000118080808000000B ; CHECK-NEXT: Body: 410028029080808000118080808000000B
; CHECK-NEXT: - Type: DATA ; CHECK-NEXT: - Type: DATA
; CHECK-NEXT: Relocations: ; CHECK-NEXT: Relocations:

18
test/ObjectYAML/wasm/code_section.yaml
View File

@ -5,10 +5,12 @@ FileHeader:
Sections: Sections:
- Type: TYPE - Type: TYPE
Signatures: Signatures:
- ReturnType: F32 - Index: 0
ReturnType: F32
ParamTypes: ParamTypes:
- I32 - I32
- ReturnType: NORESULT - Index: 1
ReturnType: NORESULT
ParamTypes: ParamTypes:
- I32 - I32
- I64 - I64
@ -25,11 +27,13 @@ Sections:
Index: 1 Index: 1
Offset: 0x00000025 Offset: 0x00000025
Functions: Functions:
- Locals: - Index: 0
Locals:
- Type: I32 - Type: I32
Count: 3 Count: 3
Body: 418080808000210020002101200111808080800000210220020F0B Body: 418080808000210020002101200111808080800000210220020F0B
- Locals: - Index: 1
Locals:
- Type: I32 - Type: I32
Count: 1 Count: 1
Body: 108180808000210020000F0B Body: 108180808000210020000F0B
@ -58,11 +62,13 @@ Sections:
# CHECK: Index: 1 # CHECK: Index: 1
# CHECK: Offset: 0x00000025 # CHECK: Offset: 0x00000025
# CHECK: Functions: # CHECK: Functions:
# CHECK: - Locals: # CHECK: - Index: 0
# CHECK: Locals:
# CHECK: - Type: I32 # CHECK: - Type: I32
# CHECK: Count: 3 # CHECK: Count: 3
# CHECK: Body: 418080808000210020002101200111808080800000210220020F0B # CHECK: Body: 418080808000210020002101200111808080800000210220020F0B
# CHECK: - Locals: # CHECK: - Index: 1
# CHECK: Locals:
# CHECK: - Type: I32 # CHECK: - Type: I32
# CHECK: Count: 1 # CHECK: Count: 1
# CHECK: Body: 108180808000210020000F0B # CHECK: Body: 108180808000210020000F0B

6
test/ObjectYAML/wasm/export_section.yaml
View File

@ -7,12 +7,14 @@ Sections:
FunctionTypes: [ 0, 0 ] FunctionTypes: [ 0, 0 ]
- Type: GLOBAL - Type: GLOBAL
Globals: Globals:
- Type: I32 - Index: 0
Type: I32
Mutable: false Mutable: false
InitExpr: InitExpr:
Opcode: I64_CONST Opcode: I64_CONST
Value: 32 Value: 32
- Type: I32 - Index: 1
Type: I32
Mutable: false Mutable: false
InitExpr: InitExpr:
Opcode: I64_CONST Opcode: I64_CONST

6
test/ObjectYAML/wasm/global_section.yaml
View File

@ -5,7 +5,8 @@ FileHeader:
Sections: Sections:
- Type: GLOBAL - Type: GLOBAL
Globals: Globals:
- Type: I32 - Index: 0
Type: I32
Mutable: false Mutable: false
InitExpr: InitExpr:
Opcode: I64_CONST Opcode: I64_CONST
@ -17,7 +18,8 @@ Sections:
# CHECK: Sections: # CHECK: Sections:
# CHECK: - Type: GLOBAL # CHECK: - Type: GLOBAL
# CHECK: Globals: # CHECK: Globals:
# CHECK: - Type: I32 # CHECK: - Index: 0
# CHECK: Type: I32
# CHECK: Mutable: false # CHECK: Mutable: false
# CHECK: InitExpr: # CHECK: InitExpr:
# CHECK: Opcode: I64_CONST # CHECK: Opcode: I64_CONST

3
test/ObjectYAML/wasm/import_section.yaml
View File

@ -5,7 +5,8 @@ FileHeader:
Sections: Sections:
- Type: TYPE - Type: TYPE
Signatures: Signatures:
- ReturnType: I32 - Index: 0
ReturnType: I32
ParamTypes: ParamTypes:
- I32 - I32
- Type: IMPORT - Type: IMPORT

3
test/ObjectYAML/wasm/linking_section.yaml
View File

@ -5,7 +5,8 @@ FileHeader:
Sections: Sections:
- Type: TYPE - Type: TYPE
Signatures: Signatures:
- ReturnType: I32 - Index: 0
ReturnType: I32
ParamTypes: ParamTypes:
- I32 - I32
- Type: IMPORT - Type: IMPORT

3
test/ObjectYAML/wasm/name_section.yaml
View File

@ -5,7 +5,8 @@ FileHeader:
Sections: Sections:
- Type: TYPE - Type: TYPE
Signatures: Signatures:
- ReturnType: I32 - Index: 0
ReturnType: I32
ParamTypes: ParamTypes:
- I32 - I32
- Type: IMPORT - Type: IMPORT

3
test/ObjectYAML/wasm/start_section.yaml
View File

@ -6,7 +6,8 @@ FileHeader:
Sections: Sections:
- Type: TYPE - Type: TYPE
Signatures: Signatures:
- ReturnType: I32 - Index: 0
ReturnType: I32
ParamTypes: ParamTypes:
- F32 - F32
- F32 - F32

6
test/ObjectYAML/wasm/type_section.yaml
View File

@ -5,11 +5,13 @@ FileHeader:
Sections: Sections:
- Type: TYPE - Type: TYPE
Signatures: Signatures:
- ReturnType: I32 - Index: 0
ReturnType: I32
ParamTypes: ParamTypes:
- F32 - F32
- F32 - F32
- ReturnType: I64 - Index: 1
ReturnType: I64
ParamTypes: ParamTypes:
- F64 - F64
- F64 - F64

6
test/ObjectYAML/wasm/weak_symbols.yaml
View File

@ -5,13 +5,15 @@ FileHeader:
Sections: Sections:
- Type: TYPE - Type: TYPE
Signatures: Signatures:
- ReturnType: I32 - Index: 0
ReturnType: I32
ParamTypes: ParamTypes:
- Type: FUNCTION - Type: FUNCTION
FunctionTypes: [ 0, 0 ] FunctionTypes: [ 0, 0 ]
- Type: GLOBAL - Type: GLOBAL
Globals: Globals:
- Type: I32 - Index: 0
Type: I32
Mutable: false Mutable: false
InitExpr: InitExpr:
Opcode: I32_CONST Opcode: I32_CONST

44
test/tools/llvm-nm/wasm/exports.yaml
View File

@ -9,28 +9,10 @@ FileHeader:
Sections: Sections:
- Type: TYPE - Type: TYPE
Signatures: Signatures:
- ReturnType: I32 - Index: 0
ReturnType: I32
ParamTypes: ParamTypes:
- I32 - I32
- Type: FUNCTION
FunctionTypes: [ 0, 0, 0, 0, 0 ]
- Type: GLOBAL
Globals:
- Type: I32
Mutable: false
InitExpr:
Opcode: I64_CONST
Value: 32
- Type: I32
Mutable: false
InitExpr:
Opcode: I32_CONST
Value: 64
- Type: I32
Mutable: false
InitExpr:
Opcode: I32_CONST
Value: 1024
- Type: IMPORT - Type: IMPORT
Imports: Imports:
- Module: env - Module: env
@ -42,6 +24,28 @@ Sections:
Kind: GLOBAL Kind: GLOBAL
GlobalType: I32 GlobalType: I32
GlobalMutable: false GlobalMutable: false
- Type: FUNCTION
FunctionTypes: [ 0, 0, 0, 0, 0 ]
- Type: GLOBAL
Globals:
- Index: 1
Type: I32
Mutable: false
InitExpr:
Opcode: I64_CONST
Value: 32
- Index: 2
Type: I32
Mutable: false
InitExpr:
Opcode: I32_CONST
Value: 64
- Index: 3
Type: I32
Mutable: false
InitExpr:
Opcode: I32_CONST
Value: 1024
- Type: EXPORT - Type: EXPORT
Exports: Exports:
- Name: foo - Name: foo

3
test/tools/llvm-nm/wasm/imports.yaml
View File

@ -6,7 +6,8 @@ FileHeader:
Sections: Sections:
- Type: TYPE - Type: TYPE
Signatures: Signatures:
- ReturnType: I32 - Index: 0
ReturnType: I32
ParamTypes: ParamTypes:
- I32 - I32
- Type: IMPORT - Type: IMPORT

16
test/tools/llvm-nm/wasm/weak-symbols.yaml
View File

@ -9,11 +9,10 @@ FileHeader:
Sections: Sections:
- Type: TYPE - Type: TYPE
Signatures: Signatures:
- ReturnType: I32 - Index: 0
ReturnType: I32
ParamTypes: ParamTypes:
- I32 - I32
- Type: FUNCTION
FunctionTypes: [ 0, 0, 0, 0 ]
- Type: IMPORT - Type: IMPORT
Imports: Imports:
- Module: env - Module: env
@ -25,19 +24,24 @@ Sections:
Kind: GLOBAL Kind: GLOBAL
GlobalType: I32 GlobalType: I32
GlobalMutable: false GlobalMutable: false
- Type: FUNCTION
FunctionTypes: [ 0, 0, 0, 0 ]
- Type: GLOBAL - Type: GLOBAL
Globals: Globals:
- Type: I32 - Index: 1
Type: I32
Mutable: false Mutable: false
InitExpr: InitExpr:
Opcode: I64_CONST Opcode: I64_CONST
Value: 32 Value: 32
- Type: I32 - Index: 2
Type: I32
Mutable: false Mutable: false
InitExpr: InitExpr:
Opcode: I32_CONST Opcode: I32_CONST
Value: 64 Value: 64
- Type: I32 - Index: 3
Type: I32
Mutable: false Mutable: false
InitExpr: InitExpr:
Opcode: I32_CONST Opcode: I32_CONST

2
tools/obj2yaml/wasm2yaml.cpp
View File

@ -186,6 +186,7 @@ ErrorOr<WasmYAML::Object *> WasmDumper::dump() {
auto GlobalSec = make_unique<WasmYAML::GlobalSection>(); auto GlobalSec = make_unique<WasmYAML::GlobalSection>();
for (auto &Global : Obj.globals()) { for (auto &Global : Obj.globals()) {
WasmYAML::Global G; WasmYAML::Global G;
G.Index = Global.Index;
G.Type = Global.Type; G.Type = Global.Type;
G.Mutable = Global.Mutable; G.Mutable = Global.Mutable;
G.InitExpr = Global.InitExpr; G.InitExpr = Global.InitExpr;
@ -230,6 +231,7 @@ ErrorOr<WasmYAML::Object *> WasmDumper::dump() {
auto CodeSec = make_unique<WasmYAML::CodeSection>(); auto CodeSec = make_unique<WasmYAML::CodeSection>();
for (auto &Func : Obj.functions()) { for (auto &Func : Obj.functions()) {
WasmYAML::Function Function; WasmYAML::Function Function;
Function.Index = Func.Index;
for (auto &Local : Func.Locals) { for (auto &Local : Func.Locals) {
WasmYAML::LocalDecl LocalDecl; WasmYAML::LocalDecl LocalDecl;
LocalDecl.Type = Local.Type; LocalDecl.Type = Local.Type;

37
tools/yaml2obj/yaml2wasm.cpp
View File

@ -45,6 +45,8 @@ private:
int writeSectionContent(raw_ostream &OS, WasmYAML::NameSection &Section); int writeSectionContent(raw_ostream &OS, WasmYAML::NameSection &Section);
int writeSectionContent(raw_ostream &OS, WasmYAML::LinkingSection &Section); int writeSectionContent(raw_ostream &OS, WasmYAML::LinkingSection &Section);
WasmYAML::Object &Obj; WasmYAML::Object &Obj;
uint32_t NumImportedFunctions = 0;
uint32_t NumImportedGlobals = 0;
}; };
static int writeUint64(raw_ostream &OS, uint64_t Value) { static int writeUint64(raw_ostream &OS, uint64_t Value) {
@ -101,7 +103,7 @@ static int writeInitExpr(const wasm::WasmInitExpr &InitExpr, raw_ostream &OS) {
encodeULEB128(InitExpr.Value.Global, OS); encodeULEB128(InitExpr.Value.Global, OS);
break; break;
default: default:
errs() << "Unknown opcode in init_expr: " << InitExpr.Opcode; errs() << "Unknown opcode in init_expr: " << InitExpr.Opcode << "\n";
return 1; return 1;
} }
writeUint8(OS, wasm::WASM_OPCODE_END); writeUint8(OS, wasm::WASM_OPCODE_END);
@ -211,7 +213,13 @@ int WasmWriter::writeSectionContent(raw_ostream &OS,
int WasmWriter::writeSectionContent(raw_ostream &OS, int WasmWriter::writeSectionContent(raw_ostream &OS,
WasmYAML::TypeSection &Section) { WasmYAML::TypeSection &Section) {
encodeULEB128(Section.Signatures.size(), OS); encodeULEB128(Section.Signatures.size(), OS);
uint32_t ExpectedIndex = 0;
for (const WasmYAML::Signature &Sig : Section.Signatures) { for (const WasmYAML::Signature &Sig : Section.Signatures) {
if (Sig.Index != ExpectedIndex) {
errs() << "Unexpected type index: " << Sig.Index << "\n";
return 1;
}
++ExpectedIndex;
encodeSLEB128(Sig.Form, OS); encodeSLEB128(Sig.Form, OS);
encodeULEB128(Sig.ParamTypes.size(), OS); encodeULEB128(Sig.ParamTypes.size(), OS);
for (auto ParamType : Sig.ParamTypes) for (auto ParamType : Sig.ParamTypes)
@ -236,10 +244,12 @@ int WasmWriter::writeSectionContent(raw_ostream &OS,
switch (Import.Kind) { switch (Import.Kind) {
case wasm::WASM_EXTERNAL_FUNCTION: case wasm::WASM_EXTERNAL_FUNCTION:
encodeULEB128(Import.SigIndex, OS); encodeULEB128(Import.SigIndex, OS);
NumImportedFunctions++;
break; break;
case wasm::WASM_EXTERNAL_GLOBAL: case wasm::WASM_EXTERNAL_GLOBAL:
encodeSLEB128(Import.GlobalImport.Type, OS); encodeSLEB128(Import.GlobalImport.Type, OS);
writeUint8(OS, Import.GlobalImport.Mutable); writeUint8(OS, Import.GlobalImport.Mutable);
NumImportedGlobals++;
break; break;
case wasm::WASM_EXTERNAL_MEMORY: case wasm::WASM_EXTERNAL_MEMORY:
writeLimits(Import.Memory, OS); writeLimits(Import.Memory, OS);
@ -249,7 +259,7 @@ int WasmWriter::writeSectionContent(raw_ostream &OS,
writeLimits(Import.TableImport.TableLimits, OS); writeLimits(Import.TableImport.TableLimits, OS);
break; break;
default: default:
errs() << "Unknown import type: " << Import.Kind; errs() << "Unknown import type: " << Import.Kind << "\n";
return 1; return 1;
} }
} }
@ -304,7 +314,13 @@ int WasmWriter::writeSectionContent(raw_ostream &OS,
int WasmWriter::writeSectionContent(raw_ostream &OS, int WasmWriter::writeSectionContent(raw_ostream &OS,
WasmYAML::GlobalSection &Section) { WasmYAML::GlobalSection &Section) {
encodeULEB128(Section.Globals.size(), OS); encodeULEB128(Section.Globals.size(), OS);
uint32_t ExpectedIndex = NumImportedGlobals;
for (auto &Global : Section.Globals) { for (auto &Global : Section.Globals) {
if (Global.Index != ExpectedIndex) {
errs() << "Unexpected global index: " << Global.Index << "\n";
return 1;
}
++ExpectedIndex;
encodeSLEB128(Global.Type, OS); encodeSLEB128(Global.Type, OS);
writeUint8(OS, Global.Mutable); writeUint8(OS, Global.Mutable);
writeInitExpr(Global.InitExpr, OS); writeInitExpr(Global.InitExpr, OS);
@ -330,9 +346,15 @@ int WasmWriter::writeSectionContent(raw_ostream &OS,
int WasmWriter::writeSectionContent(raw_ostream &OS, int WasmWriter::writeSectionContent(raw_ostream &OS,
WasmYAML::CodeSection &Section) { WasmYAML::CodeSection &Section) {
encodeULEB128(Section.Functions.size(), OS); encodeULEB128(Section.Functions.size(), OS);
uint32_t ExpectedIndex = NumImportedFunctions;
for (auto &Func : Section.Functions) { for (auto &Func : Section.Functions) {
std::string OutString; std::string OutString;
raw_string_ostream StringStream(OutString); raw_string_ostream StringStream(OutString);
if (Func.Index != ExpectedIndex) {
errs() << "Unexpected function index: " << Func.Index << "\n";
return 1;
}
++ExpectedIndex;
encodeULEB128(Func.Locals.size(), StringStream); encodeULEB128(Func.Locals.size(), StringStream);
for (auto &LocalDecl : Func.Locals) { for (auto &LocalDecl : Func.Locals) {
@ -402,9 +424,18 @@ int WasmWriter::writeWasm(raw_ostream &OS) {
writeUint32(OS, Obj.Header.Version); writeUint32(OS, Obj.Header.Version);
// Write each section // Write each section
uint32_t LastType = 0;
for (const std::unique_ptr<WasmYAML::Section> &Sec : Obj.Sections) { for (const std::unique_ptr<WasmYAML::Section> &Sec : Obj.Sections) {
encodeULEB128(Sec->Type, OS); uint32_t Type = Sec->Type;
if (Type != wasm::WASM_SEC_CUSTOM) {
if (Type < LastType) {
errs() << "Out of order section type: " << Type << "\n";
return 1;
}
LastType = Type;
}
encodeULEB128(Sec->Type, OS);
std::string OutString; std::string OutString;
raw_string_ostream StringStream(OutString); raw_string_ostream StringStream(OutString);
if (auto S = dyn_cast<WasmYAML::CustomSection>(Sec.get())) { if (auto S = dyn_cast<WasmYAML::CustomSection>(Sec.get())) {