| # 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: ... |