| ; RUN: llc -filetype=obj -o %t.o %s |
| ; RUN: llc -filetype=obj %S/Inputs/weak-alias.ll -o %t2.o |
| ; 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 |
| |
| target triple = "wasm32-unknown-unknown" |
| |
| declare i32 @alias_fn() local_unnamed_addr #1 |
| |
| ; Function Attrs: nounwind uwtable |
| define void @_start() local_unnamed_addr #1 { |
| entry: |
| %call = tail call i32 @alias_fn() #2 |
| ret void |
| } |
| |
| ; 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: - Index: 1 |
| ; CHECK-NEXT: ParamTypes: [] |
| ; CHECK-NEXT: ReturnTypes: |
| ; CHECK-NEXT: - I32 |
| ; CHECK-NEXT: - Type: FUNCTION |
| ; CHECK-NEXT: FunctionTypes: [ 0, 1, 1, 1, 1, 1 ] |
| ; 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: 0x2 |
| ; 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: 66560 |
| ; 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: - Type: I32 |
| ; CHECK-NEXT: Count: 2 |
| ; CHECK-NEXT: Body: 23808080800041106B220024808080800020004181808080003602081081808080002101200041106A24808080800020010B |
| ; CHECK-NEXT: - Index: 5 |
| ; CHECK-NEXT: Locals: |
| ; CHECK-NEXT: - Type: I32 |
| ; CHECK-NEXT: Count: 2 |
| ; CHECK-NEXT: Body: 23808080800041106B220024808080800020004181808080003602081081808080002101200041106A24808080800020010B |
| ; CHECK-NEXT: - Type: CUSTOM |
| ; 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: - Index: 1 |
| ; RELOC-NEXT: ParamTypes: [] |
| ; RELOC-NEXT: ReturnTypes: |
| ; RELOC-NEXT: - I32 |
| ; 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: - Module: env |
| ; RELOC-NEXT: Field: __stack_pointer |
| ; RELOC-NEXT: Kind: GLOBAL |
| ; RELOC-NEXT: GlobalType: I32 |
| ; RELOC-NEXT: GlobalMutable: true |
| ; RELOC-NEXT: - Type: FUNCTION |
| ; RELOC-NEXT: FunctionTypes: [ 0, 1, 1, 1, 1, 1 ] |
| ; 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_GLOBAL_INDEX_LEB |
| ; RELOC-NEXT: Index: 6 |
| ; RELOC-NEXT: Offset: 0x27 |
| ; RELOC-NEXT: - Type: R_WASM_GLOBAL_INDEX_LEB |
| ; RELOC-NEXT: Index: 6 |
| ; RELOC-NEXT: Offset: 0x32 |
| ; RELOC-NEXT: - Type: R_WASM_TABLE_INDEX_SLEB |
| ; RELOC-NEXT: Index: 1 |
| ; RELOC-NEXT: Offset: 0x3A |
| ; RELOC-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB |
| ; RELOC-NEXT: Index: 1 |
| ; RELOC-NEXT: Offset: 0x43 |
| ; RELOC-NEXT: - Type: R_WASM_GLOBAL_INDEX_LEB |
| ; RELOC-NEXT: Index: 6 |
| ; RELOC-NEXT: Offset: 0x50 |
| ; RELOC-NEXT: - Type: R_WASM_GLOBAL_INDEX_LEB |
| ; RELOC-NEXT: Index: 6 |
| ; RELOC-NEXT: Offset: 0x5D |
| ; RELOC-NEXT: - Type: R_WASM_GLOBAL_INDEX_LEB |
| ; RELOC-NEXT: Index: 6 |
| ; RELOC-NEXT: Offset: 0x68 |
| ; RELOC-NEXT: - Type: R_WASM_TABLE_INDEX_SLEB |
| ; RELOC-NEXT: Index: 2 |
| ; RELOC-NEXT: Offset: 0x70 |
| ; RELOC-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB |
| ; RELOC-NEXT: Index: 2 |
| ; RELOC-NEXT: Offset: 0x79 |
| ; RELOC-NEXT: - Type: R_WASM_GLOBAL_INDEX_LEB |
| ; RELOC-NEXT: Index: 6 |
| ; RELOC-NEXT: Offset: 0x86 |
| ; 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: - Type: I32 |
| ; RELOC-NEXT: Count: 2 |
| ; RELOC-NEXT: Body: 23808080800041106B220024808080800020004181808080003602081081808080002101200041106A24808080800020010B |
| ; RELOC-NEXT: - Index: 5 |
| ; RELOC-NEXT: Locals: |
| ; RELOC-NEXT: - Type: I32 |
| ; RELOC-NEXT: Count: 2 |
| ; RELOC-NEXT: Body: 23808080800041106B220024808080800020004181808080003602081081808080002101200041106A24808080800020010B |
| ; 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: GLOBAL |
| ; RELOC-NEXT: Name: __stack_pointer |
| ; RELOC-NEXT: Flags: [ UNDEFINED ] |
| ; RELOC-NEXT: Global: 0 |
| ; RELOC-NEXT: - Index: 7 |
| ; RELOC-NEXT: Kind: FUNCTION |
| ; RELOC-NEXT: Name: call_direct_ptr |
| ; RELOC-NEXT: Flags: [ ] |
| ; RELOC-NEXT: Function: 5 |
| ; RELOC-NEXT: - Index: 8 |
| ; RELOC-NEXT: Kind: TABLE |
| ; RELOC-NEXT: Name: __indirect_function_table |
| ; RELOC-NEXT: Flags: [ UNDEFINED, NO_STRIP ] |
| ; RELOC-NEXT: Table: 0 |
| ; 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: GlobalNames: |
| ; RELOC-NEXT: - Index: 0 |
| ; RELOC-NEXT: Name: __stack_pointer |
| ; RELOC-NEXT: ... |
