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-rw-r--r--llvm/test/tools/llvm-objcopy/COFF/Inputs/no-symbols.yaml11
-rw-r--r--llvm/test/tools/llvm-objcopy/COFF/basic-copy.test6
-rw-r--r--llvm/tools/llvm-objcopy/COFF/Writer.cpp9
3 files changed, 21 insertions, 5 deletions
diff --git a/llvm/test/tools/llvm-objcopy/COFF/Inputs/no-symbols.yaml b/llvm/test/tools/llvm-objcopy/COFF/Inputs/no-symbols.yaml
new file mode 100644
index 00000000000..db8aeb63d5e
--- /dev/null
+++ b/llvm/test/tools/llvm-objcopy/COFF/Inputs/no-symbols.yaml
@@ -0,0 +1,11 @@
+--- !COFF
+header:
+ Machine: IMAGE_FILE_MACHINE_AMD64
+ Characteristics: [ ]
+sections:
+ - Name: .text
+ Characteristics: [ ]
+ Alignment: 4
+ SectionData: E800000000C3C3C3
+symbols:
+...
diff --git a/llvm/test/tools/llvm-objcopy/COFF/basic-copy.test b/llvm/test/tools/llvm-objcopy/COFF/basic-copy.test
index ddd12dcaf2f..ecdf430faf1 100644
--- a/llvm/test/tools/llvm-objcopy/COFF/basic-copy.test
+++ b/llvm/test/tools/llvm-objcopy/COFF/basic-copy.test
@@ -40,3 +40,9 @@ RUN: llvm-objcopy %t.x86_64.exe %t.x86_64-copy.exe
RUN: obj2yaml %t.x86_64.exe > %t.x86_64.exe.yaml
RUN: obj2yaml %t.x86_64-copy.exe > %t.x86_64-copy.exe.yaml
RUN: cmp %t.x86_64.exe.yaml %t.x86_64-copy.exe.yaml
+
+RUN: yaml2obj %p/Inputs/no-symbols.yaml > %t.no-symbols.o
+RUN: llvm-objcopy %t.no-symbols.o %t.no-symbols-copy.o
+RUN: obj2yaml %t.no-symbols.o > %t.no-symbols.o.yaml
+RUN: obj2yaml %t.no-symbols-copy.o > %t.no-symbols-copy.o.yaml
+RUN: cmp %t.no-symbols.o.yaml %t.no-symbols-copy.o.yaml
diff --git a/llvm/tools/llvm-objcopy/COFF/Writer.cpp b/llvm/tools/llvm-objcopy/COFF/Writer.cpp
index d7a5224b5ef..213cb11b788 100644
--- a/llvm/tools/llvm-objcopy/COFF/Writer.cpp
+++ b/llvm/tools/llvm-objcopy/COFF/Writer.cpp
@@ -154,12 +154,11 @@ Error COFFWriter::finalize(bool IsBigObj) {
size_t PointerToSymbolTable = FileSize;
// StrTabSize <= 4 is the size of an empty string table, only consisting
// of the length field.
- if (SymTabSize == 0 && StrTabSize <= 4) {
- // Don't point to the symbol table if empty.
+ if (SymTabSize == 0 && StrTabSize <= 4 && Obj.IsPE) {
+ // For executables, don't point to the symbol table and skip writing
+ // the length field, if both the symbol and string tables are empty.
PointerToSymbolTable = 0;
- // For executables, skip the length field of an empty string table.
- if (Obj.IsPE)
- StrTabSize = 0;
+ StrTabSize = 0;
}
size_t NumRawSymbols = SymTabSize / SymbolSize;
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