| # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s |
| # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t2.o %S/Inputs/weak-alias.s |
| # RUN: wasm-ld --export-dynamic %t.o %t2.o -o %t.wasm |
| # RUN: obj2yaml %t.wasm | FileCheck %s |
| |
| # Test that weak aliases (alias_fn is a weak alias of direct_fn) are linked correctly |
| |
| .functype alias_fn () -> (i32) |
| |
| .globl _start |
| _start: |
| .functype _start () -> () |
| call alias_fn |
| drop |
| end_function |
| |
| # CHECK: --- !WASM |
| # CHECK-NEXT: FileHeader: |
| # CHECK-NEXT: Version: 0x1 |
| # CHECK-NEXT: Sections: |
| # CHECK-NEXT: - Type: TYPE |
| # CHECK-NEXT: Signatures: |
| # CHECK-NEXT: - Index: 0 |
| # CHECK-NEXT: ParamTypes: |
| # CHECK-NEXT: ReturnTypes: |
| # CHECK-NEXT: - I32 |
| # CHECK-NEXT: - Index: 1 |
| # CHECK-NEXT: ParamTypes: [] |
| # CHECK-NEXT: ReturnTypes: [] |
| # CHECK-NEXT: - Type: FUNCTION |
| # CHECK-NEXT: FunctionTypes: [ 1, 0, 0, 0, 0, 0 ] |
| # CHECK-NEXT: - Type: TABLE |
| # CHECK-NEXT: Tables: |
| # CHECK-NEXT: - Index: 0 |
| # CHECK-NEXT: ElemType: FUNCREF |
| # CHECK-NEXT: Limits: |
| # CHECK-NEXT: Flags: [ HAS_MAX ] |
| # CHECK-NEXT: Minimum: 0x2 |
| # CHECK-NEXT: Maximum: 0x2 |
| # CHECK-NEXT: - Type: MEMORY |
| # CHECK-NEXT: Memories: |
| # CHECK-NEXT: - Minimum: 0x1 |
| # CHECK-NEXT: - Type: GLOBAL |
| # CHECK-NEXT: Globals: |
| # CHECK-NEXT: - Index: 0 |
| # CHECK-NEXT: Type: I32 |
| # CHECK-NEXT: Mutable: true |
| # CHECK-NEXT: InitExpr: |
| # CHECK-NEXT: Opcode: I32_CONST |
| # CHECK-NEXT: Value: 65536 |
| # CHECK-NEXT: - Type: EXPORT |
| # CHECK-NEXT: Exports: |
| # CHECK-NEXT: - Name: memory |
| # CHECK-NEXT: Kind: MEMORY |
| # CHECK-NEXT: Index: 0 |
| # CHECK-NEXT: - Name: _start |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: Index: 0 |
| # CHECK-NEXT: - Name: alias_fn |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: Index: 1 |
| # CHECK-NEXT: - Name: direct_fn |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: Index: 1 |
| # CHECK-NEXT: - Name: call_direct |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: Index: 2 |
| # CHECK-NEXT: - Name: call_alias |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: Index: 3 |
| # CHECK-NEXT: - Name: call_alias_ptr |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: Index: 4 |
| # CHECK-NEXT: - Name: call_direct_ptr |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: Index: 5 |
| # CHECK-NEXT: - Type: ELEM |
| # CHECK-NEXT: Segments: |
| # CHECK-NEXT: - Offset: |
| # CHECK-NEXT: Opcode: I32_CONST |
| # CHECK-NEXT: Value: 1 |
| # CHECK-NEXT: Functions: [ 1 ] |
| # CHECK-NEXT: - Type: CODE |
| # CHECK-NEXT: Functions: |
| # CHECK-NEXT: - Index: 0 |
| # CHECK-NEXT: Locals: |
| # CHECK-NEXT: Body: 1081808080001A0B |
| # CHECK-NEXT: - Index: 1 |
| # CHECK-NEXT: Locals: |
| # CHECK-NEXT: Body: 41000B |
| # CHECK-NEXT: - Index: 2 |
| # CHECK-NEXT: Locals: |
| # CHECK-NEXT: Body: 1081808080000B |
| # CHECK-NEXT: - Index: 3 |
| # CHECK-NEXT: Locals: |
| # CHECK-NEXT: Body: 1081808080000B |
| # CHECK-NEXT: - Index: 4 |
| # CHECK-NEXT: Locals: |
| # CHECK-NEXT: Body: 41818080800011808080800080808080000B |
| # CHECK-NEXT: - Index: 5 |
| # CHECK-NEXT: Locals: |
| # CHECK-NEXT: Body: 41818080800011808080800080808080000B |
| # CHECK-NEXT: - Type: CUSTOM |
| # CHECK-NEXT: HeaderSecSizeEncodingLen: 2 |
| # CHECK-NEXT: Name: name |
| # CHECK-NEXT: FunctionNames: |
| # CHECK-NEXT: - Index: 0 |
| # CHECK-NEXT: Name: _start |
| # CHECK-NEXT: - Index: 1 |
| # CHECK-NEXT: Name: direct_fn |
| # CHECK-NEXT: - Index: 2 |
| # CHECK-NEXT: Name: call_direct |
| # CHECK-NEXT: - Index: 3 |
| # CHECK-NEXT: Name: call_alias |
| # CHECK-NEXT: - Index: 4 |
| # CHECK-NEXT: Name: call_alias_ptr |
| # CHECK-NEXT: - Index: 5 |
| # CHECK-NEXT: Name: call_direct_ptr |
| # CHECK-NEXT: GlobalNames: |
| # CHECK-NEXT: - Index: 0 |
| # CHECK-NEXT: Name: __stack_pointer |
| # CHECK-NEXT: ... |
| |
| # RUN: wasm-ld --relocatable %t.o %t2.o -o %t.reloc.o |
| # RUN: obj2yaml %t.reloc.o | FileCheck %s -check-prefix=RELOC |
| |
| # RELOC: --- !WASM |
| # RELOC-NEXT: FileHeader: |
| # RELOC-NEXT: Version: 0x1 |
| # RELOC-NEXT: Sections: |
| # RELOC-NEXT: - Type: TYPE |
| # RELOC-NEXT: Signatures: |
| # RELOC-NEXT: - Index: 0 |
| # RELOC-NEXT: ParamTypes: [] |
| # RELOC-NEXT: ReturnTypes: |
| # RELOC-NEXT: - I32 |
| # RELOC-NEXT: - Index: 1 |
| # RELOC-NEXT: ParamTypes: [] |
| # RELOC-NEXT: ReturnTypes: [] |
| # RELOC-NEXT: - Type: IMPORT |
| # RELOC-NEXT: Imports: |
| # RELOC-NEXT: - Module: env |
| # RELOC-NEXT: Field: __indirect_function_table |
| # RELOC-NEXT: Kind: TABLE |
| # RELOC-NEXT: Table: |
| # RELOC-NEXT: Index: 0 |
| # RELOC-NEXT: ElemType: FUNCREF |
| # RELOC-NEXT: Limits: |
| # RELOC-NEXT: Minimum: 0x2 |
| # RELOC-NEXT: - Type: FUNCTION |
| # RELOC-NEXT: FunctionTypes: [ 1, 0, 0, 0, 0, 0 ] |
| # RELOC-NEXT: - Type: MEMORY |
| # RELOC-NEXT: Memories: |
| # RELOC-NEXT: - Minimum: 0x0 |
| # RELOC-NEXT: - Type: ELEM |
| # RELOC-NEXT: Segments: |
| # RELOC-NEXT: - Offset: |
| # RELOC-NEXT: Opcode: I32_CONST |
| # RELOC-NEXT: Value: 1 |
| # RELOC-NEXT: Functions: [ 1 ] |
| # RELOC-NEXT: - Type: CODE |
| # RELOC-NEXT: Relocations: |
| # RELOC-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB |
| # RELOC-NEXT: Index: 1 |
| # RELOC-NEXT: Offset: 0x4 |
| # RELOC-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB |
| # RELOC-NEXT: Index: 2 |
| # RELOC-NEXT: Offset: 0x13 |
| # RELOC-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB |
| # RELOC-NEXT: Index: 1 |
| # RELOC-NEXT: Offset: 0x1C |
| # RELOC-NEXT: - Type: R_WASM_TABLE_INDEX_SLEB |
| # RELOC-NEXT: Index: 1 |
| # RELOC-NEXT: Offset: 0x25 |
| # RELOC-NEXT: - Type: R_WASM_TYPE_INDEX_LEB |
| # RELOC-NEXT: Index: 0 |
| # RELOC-NEXT: Offset: 0x2B |
| # RELOC-NEXT: - Type: R_WASM_TABLE_NUMBER_LEB |
| # RELOC-NEXT: Index: 6 |
| # RELOC-NEXT: Offset: 0x30 |
| # RELOC-NEXT: - Type: R_WASM_TABLE_INDEX_SLEB |
| # RELOC-NEXT: Index: 2 |
| # RELOC-NEXT: Offset: 0x39 |
| # RELOC-NEXT: - Type: R_WASM_TYPE_INDEX_LEB |
| # RELOC-NEXT: Index: 0 |
| # RELOC-NEXT: Offset: 0x3F |
| # RELOC-NEXT: - Type: R_WASM_TABLE_NUMBER_LEB |
| # RELOC-NEXT: Index: 6 |
| # RELOC-NEXT: Offset: 0x44 |
| # RELOC-NEXT: Functions: |
| # RELOC-NEXT: - Index: 0 |
| # RELOC-NEXT: Locals: |
| # RELOC-NEXT: Body: 1081808080001A0B |
| # RELOC-NEXT: - Index: 1 |
| # RELOC-NEXT: Locals: |
| # RELOC-NEXT: Body: 41000B |
| # RELOC-NEXT: - Index: 2 |
| # RELOC-NEXT: Locals: |
| # RELOC-NEXT: Body: 1081808080000B |
| # RELOC-NEXT: - Index: 3 |
| # RELOC-NEXT: Locals: |
| # RELOC-NEXT: Body: 1081808080000B |
| # RELOC-NEXT: - Index: 4 |
| # RELOC-NEXT: Locals: |
| # RELOC-NEXT: Body: 41818080800011808080800080808080000B |
| # RELOC-NEXT: - Index: 5 |
| # RELOC-NEXT: Locals: |
| # RELOC-NEXT: Body: 41818080800011808080800080808080000B |
| # RELOC-NEXT: - Type: CUSTOM |
| # RELOC-NEXT: Name: linking |
| # RELOC-NEXT: Version: 2 |
| # RELOC-NEXT: SymbolTable: |
| # RELOC-NEXT: - Index: 0 |
| # RELOC-NEXT: Kind: FUNCTION |
| # RELOC-NEXT: Name: _start |
| # RELOC-NEXT: Flags: [ ] |
| # RELOC-NEXT: Function: 0 |
| # RELOC-NEXT: - Index: 1 |
| # RELOC-NEXT: Kind: FUNCTION |
| # RELOC-NEXT: Name: alias_fn |
| # RELOC-NEXT: Flags: [ BINDING_WEAK ] |
| # RELOC-NEXT: Function: 1 |
| # RELOC-NEXT: - Index: 2 |
| # RELOC-NEXT: Kind: FUNCTION |
| # RELOC-NEXT: Name: direct_fn |
| # RELOC-NEXT: Flags: [ ] |
| # RELOC-NEXT: Function: 1 |
| # RELOC-NEXT: - Index: 3 |
| # RELOC-NEXT: Kind: FUNCTION |
| # RELOC-NEXT: Name: call_direct |
| # RELOC-NEXT: Flags: [ ] |
| # RELOC-NEXT: Function: 2 |
| # RELOC-NEXT: - Index: 4 |
| # RELOC-NEXT: Kind: FUNCTION |
| # RELOC-NEXT: Name: call_alias |
| # RELOC-NEXT: Flags: [ ] |
| # RELOC-NEXT: Function: 3 |
| # RELOC-NEXT: - Index: 5 |
| # RELOC-NEXT: Kind: FUNCTION |
| # RELOC-NEXT: Name: call_alias_ptr |
| # RELOC-NEXT: Flags: [ ] |
| # RELOC-NEXT: Function: 4 |
| # RELOC-NEXT: - Index: 6 |
| # RELOC-NEXT: Kind: TABLE |
| # RELOC-NEXT: Name: __indirect_function_table |
| # RELOC-NEXT: Flags: [ UNDEFINED, NO_STRIP ] |
| # RELOC-NEXT: Table: 0 |
| # RELOC-NEXT: - Index: 7 |
| # RELOC-NEXT: Kind: FUNCTION |
| # RELOC-NEXT: Name: call_direct_ptr |
| # RELOC-NEXT: Flags: [ ] |
| # RELOC-NEXT: Function: 5 |
| # RELOC-NEXT: - Type: CUSTOM |
| # RELOC-NEXT: Name: name |
| # RELOC-NEXT: FunctionNames: |
| # RELOC-NEXT: - Index: 0 |
| # RELOC-NEXT: Name: _start |
| # RELOC-NEXT: - Index: 1 |
| # RELOC-NEXT: Name: direct_fn |
| # RELOC-NEXT: - Index: 2 |
| # RELOC-NEXT: Name: call_direct |
| # RELOC-NEXT: - Index: 3 |
| # RELOC-NEXT: Name: call_alias |
| # RELOC-NEXT: - Index: 4 |
| # RELOC-NEXT: Name: call_alias_ptr |
| # RELOC-NEXT: - Index: 5 |
| # RELOC-NEXT: Name: call_direct_ptr |
| # RELOC-NEXT: ... |