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|
; 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: ...
|
