COFF: Fix locally-imported symbol's size for x86.

llvm-svn: 241860

3 files changed, 60 insertions, 2 deletions

diff --git a/lld/COFF/Chunks.cpp b/lld/COFF/Chunks.cpp
index e5353102eff..0c4e99acdd7 100644
--- a/lld/COFF/Chunks.cpp
+++ b/lld/COFF/Chunks.cpp
@@ -266,8 +266,16 @@ void LocalImportChunk::getBaserels(std::vector<uint32_t> *Res,
   Res->push_back(getRVA() + Config->ImageBase);
 }
 
+size_t LocalImportChunk::getSize() const {
+  return Config->is64() ? 8 : 4;
+}
+
 void LocalImportChunk::writeTo(uint8_t *Buf) {
-  write64le(Buf + FileOff, Sym->getRVA() + Config->ImageBase);
+  if (Config->is64()) {
+    write64le(Buf + FileOff, Sym->getRVA() + Config->ImageBase);
+  } else {
+    write32le(Buf + FileOff, Sym->getRVA() + Config->ImageBase);
+  }
 }
 
 // Windows-specific.
diff --git a/lld/COFF/Chunks.h b/lld/COFF/Chunks.h
index 67c2c4c4555..b9b533f6826 100644
--- a/lld/COFF/Chunks.h
+++ b/lld/COFF/Chunks.h
@@ -245,7 +245,7 @@ private:
 class LocalImportChunk : public Chunk {
 public:
   explicit LocalImportChunk(Defined *S) : Sym(S) {}
-  size_t getSize() const override { return 8; }
+  size_t getSize() const override;
   void getBaserels(std::vector<uint32_t> *Res, Defined *ImageBase) override;
   void writeTo(uint8_t *Buf) override;
 
diff --git a/lld/test/COFF/locally-imported32.test b/lld/test/COFF/locally-imported32.test
new file mode 100644
index 00000000000..8510a7c009d
--- /dev/null
+++ b/lld/test/COFF/locally-imported32.test
@@ -0,0 +1,50 @@
+# RUN: yaml2obj < %s > %t.obj
+# RUN: lld -flavor link2 /out:%t.exe /entry:main %t.obj
+# RUN: llvm-objdump -s %t.exe | FileCheck %s
+
+# CHECK:      Contents of section .text:
+# CHECK-NEXT: 1000 00200000
+
+# CHECK:      Contents of section .rdata:
+# CHECK-NEXT: 2000 04100040
+
+---
+header:
+  Machine:         IMAGE_FILE_MACHINE_I386
+  Characteristics: []
+sections:
+  - Name:            .text
+    Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
+    Alignment:       4
+    SectionData:     00000000
+    Relocations:
+      - VirtualAddress:  0
+        SymbolName:      __imp__main
+        Type:            IMAGE_REL_I386_DIR32NB
+symbols:
+  - Name:            .text
+    Value:           0
+    SectionNumber:   1
+    SimpleType:      IMAGE_SYM_TYPE_NULL
+    ComplexType:     IMAGE_SYM_DTYPE_NULL
+    StorageClass:    IMAGE_SYM_CLASS_STATIC
+    SectionDefinition:
+      Length:          4
+      NumberOfRelocations: 1
+      NumberOfLinenumbers: 0
+      CheckSum:        0
+      Number:          0
+      Selection:       IMAGE_COMDAT_SELECT_ANY
+  - Name:            _main
+    Value:           4
+    SectionNumber:   1
+    SimpleType:      IMAGE_SYM_TYPE_NULL
+    ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
+    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
+  - Name:            __imp__main
+    Value:           0
+    SectionNumber:   0
+    SimpleType:      IMAGE_SYM_TYPE_NULL
+    ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
+    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
+...