================
@@ -667,138 +736,331 @@ static auto 
testExpressionVendorExtensions(lldb::ModuleSP module_sp,
 
 TEST(DWARFExpression, Extensions) {
   const char *yamldata = R"(
---- !ELF
+--- !WASM
 FileHeader:
-  Class:   ELFCLASS64
-  Data:    ELFDATA2LSB
-  Type:    ET_EXEC
-  Machine: EM_386
-DWARF:
-  debug_abbrev:
-    - Table:
-        - Code:            0x00000001
-          Tag:             DW_TAG_compile_unit
-          Children:        DW_CHILDREN_no
-  debug_info:
-    - Version:         4
-      AddrSize:        4
-      Entries:
-        - AbbrCode:        0x1
-        - AbbrCode:        0x0
+  Version:         0x1
+Sections:
+  - Type:            TYPE
+    Signatures:
+      - Index:           0
+        ParamTypes:
+          - I32
+        ReturnTypes:
+          - I32
+  - Type:            FUNCTION
+    FunctionTypes:   [ 0 ]
+  - Type:            TABLE
+    Tables:
+      - Index:           0
+        ElemType:        FUNCREF
+        Limits:
+          Flags:           [ HAS_MAX ]
+          Minimum:         0x1
+          Maximum:         0x1
+  - Type:            MEMORY
+    Memories:
+      - Flags:           [ HAS_MAX ]
+        Minimum:         0x100
+        Maximum:         0x100
+  - Type:            GLOBAL
+    Globals:
+      - Index:           0
+        Type:            I32
+        Mutable:         true
+        InitExpr:
+          Opcode:          I32_CONST
+          Value:           65536
+  - Type:            EXPORT
+    Exports:
+      - Name:            memory
+        Kind:            MEMORY
+        Index:           0
+      - Name:            square
+        Kind:            FUNCTION
+        Index:           0
+      - Name:            __indirect_function_table
+        Kind:            TABLE
+        Index:           0
+  - Type:            CODE
+    Functions:
+      - Index:           0
+        Locals:
+          - Type:            I32
+            Count:           1
+          - Type:            I32
+            Count:           1
+          - Type:            I32
+            Count:           1
+          - Type:            I32
+            Count:           1
+          - Type:            I32
+            Count:           1
+          - Type:            I32
+            Count:           1
+        Body:            
2300210141102102200120026B21032003200036020C200328020C2104200328020C2105200420056C210620060F0B
+  - Type:            CUSTOM
+    Name:            name
+    FunctionNames:
+      - Index:           0
+        Name:            square
+    GlobalNames:
+      - Index:           0
+        Name:            __stack_pointer
+  - Type:            CUSTOM
+    Name:            .debug_abbrev
+    Payload:         
011101250E1305030E10171B0E110112060000022E01110112064018030E3A0B3B0B271949133F1900000305000218030E3A0B3B0B49130000042400030E3E0B0B0B000000
+  - Type:            CUSTOM
+    Name:            .debug_info
+    Payload:         
510000000400000000000401670000001D005E000000000000000A000000020000003C00000002020000003C00000004ED00039F5700000001014D0000000302910C0400000001014D000000000400000000050400
+  - Type:            CUSTOM
+    Name:            .debug_str
+    Payload:         
696E740076616C756500513A5C70616F6C6F7365764D5346545C6C6C766D2D70726F6A6563745C6C6C64625C746573745C4150495C66756E6374696F6E616C69746965735C6764625F72656D6F74655F636C69656E745C737175617265007371756172652E6300636C616E672076657273696F6E2031382E302E30202868747470733A2F2F6769746875622E636F6D2F6C6C766D2F6C6C766D2D70726F6A65637420373535303166353336323464653932616166636532663164613639386232343961373239336463372900
+  - Type:            CUSTOM
+    Name:            .debug_line
+    Payload:         
64000000040020000000010101FB0E0D000101010100000001000001007371756172652E6300000000000005020200000001000502250000000301050A0A010005022C00000005120601000502330000000510010005023A0000000503010005023E000000000101
 )";
 
-  SubsystemRAII<FileSystem, HostInfo, TypeSystemClang, ObjectFileELF,
-                CustomSymbolFileDWARF>
+  SubsystemRAII<FileSystem, HostInfo, ObjectFileWasm, SymbolVendorWasm>
       subsystems;
 
+  // Set up a wasm target
+  ArchSpec arch("wasm32-unknown-unknown-wasm");
+  lldb::PlatformSP host_platform_sp =
+      platform_linux::PlatformLinux::CreateInstance(true, &arch);
+  ASSERT_TRUE(host_platform_sp);
+  Platform::SetHostPlatform(host_platform_sp);
----------------
DavidSpickett wrote:

This just needs some platform then, any platform will do.

Yeah I assume a "platform" for wasm would be like the platform for qemu aka run 
this program in a runtime for me.

https://github.com/llvm/llvm-project/pull/151010
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