shared-memory-no-atomics.yaml 1.78 KB
# RUN: yaml2obj %s -o %t1.o

# RUN: wasm-ld --no-entry %t1.o -o - | obj2yaml | FileCheck %s --check-prefix NO-SHARED

# RUN: not wasm-ld --no-entry --shared-memory --max-memory=131072 %t1.o -o - 2>&1 | FileCheck %s --check-prefix SHARED

--- !WASM
FileHeader:
  Version:         0x00000001
Sections:
  - Type:            IMPORT
    Imports:
      - Module:          env
        Field:           __linear_memory
        Kind:            MEMORY
        Memory:
          Initial:         0x00000001
      - Module:          env
        Field:           __indirect_function_table
        Kind:            TABLE
        Table:
          ElemType:        FUNCREF
          Limits:
            Initial:         0x00000000
  - Type:            DATA
    Segments:
      - SectionOffset:   6
        InitFlags:       0
        Offset:
          Opcode:          I32_CONST
          Value:           0
        Content:         68656C6C6F0A00
  - Type:            CUSTOM
    Name:            linking
    Version:         2
    SymbolTable:
      - Index:           0
        Kind:            DATA
        Name:            hello_str
        Flags:           [  ]
        Segment:         0
        Size:            7
    SegmentInfo:
      - Index:           0
        Name:            .rodata.hello_str
        Alignment:       0
        Flags:           [  ]
  - Type:            CUSTOM
    Name:            target_features
    Features:
      - Prefix:        DISALLOWED
        Name:          "shared-mem"
...

# NO-SHARED:      - Type:            MEMORY
# NO-SHARED-NEXT:   Memories:
# NO-SHARED-NEXT:     - Initial:         0x00000002
# NO-SHARED-NOT:        Maximum:

# SHARED: --shared-memory is disallowed by {{.*}}shared-memory-no-atomics.yaml.tmp1.o because it was not compiled with 'atomics' or 'bulk-memory' features.