[llvm] [llvm-readobj] enable demangle option for the xcoff object file (PR #78455)
via llvm-commits
llvm-commits at lists.llvm.org
Wed Jan 17 07:21:03 PST 2024
https://github.com/diggerlin updated https://github.com/llvm/llvm-project/pull/78455
>From 95bd9a2af50ea3a011d7d2c0b5c4dd66b3b867cd Mon Sep 17 00:00:00 2001
From: zhijian <zhijian at ca.ibm.com>
Date: Wed, 17 Jan 2024 10:02:35 -0500
Subject: [PATCH 1/2] enable demanlge option for the llvm-readobj
---
.../tools/llvm-readobj/XCOFF/loader-section-symbol.test | 9 +++++++--
llvm/test/tools/llvm-readobj/XCOFF/symbols.test | 8 +++++---
llvm/tools/llvm-readobj/XCOFFDumper.cpp | 6 ++++--
3 files changed, 16 insertions(+), 7 deletions(-)
diff --git a/llvm/test/tools/llvm-readobj/XCOFF/loader-section-symbol.test b/llvm/test/tools/llvm-readobj/XCOFF/loader-section-symbol.test
index 8f2b20ca814963..f899865e601cac 100644
--- a/llvm/test/tools/llvm-readobj/XCOFF/loader-section-symbol.test
+++ b/llvm/test/tools/llvm-readobj/XCOFF/loader-section-symbol.test
@@ -6,10 +6,14 @@
# RUN: llvm-readobj --loader-section-symbols %t_xcoff32.o |\
# RUN: FileCheck %s --check-prefixes=CHECK32
+# RUN: llvm-readobj --loader-section-symbols --demangle %t_xcoff32.o |\
+# RUN: FileCheck %s --check-prefixes=CHECK32
# RUN: llvm-readobj --loader-section-symbols %t_xcoff32_invalid.o 2>&1 |\
# RUN: FileCheck -DFILE=%t_xcoff32_invalid.o %s --check-prefixes=CHECK32,WARN
# RUN: llvm-readobj --loader-section-symbols %t_xcoff64.o |\
-# RUN: FileCheck %s --check-prefixes=CHECK64
+# RUN: FileCheck %s --check-prefixes=CHECK64,NODEMAN64
+# RUN: llvm-readobj --loader-section-symbols --demangle %t_xcoff64.o |\
+# RUN: FileCheck %s --check-prefixes=CHECK64,DEMAN64
--- !XCOFF
FileHeader:
@@ -112,7 +116,8 @@ Sections:
# CHECK64-NEXT: ParameterTypeCheck: 0
# CHECK64-NEXT: }
# CHECK64-NEXT: Symbol {
-# CHECK64-NEXT: Name: _Z5func0v
+# NODEMAN64-NEXT: Name: _Z5func0v
+# DEMAN64-NEXT: Name: func0()
# CHECK64-NEXT: Virtual Address: 0x110000308
# CHECK64-NEXT: SectionNum: 2
# CHECK64-NEXT: SymbolType: 0x11
diff --git a/llvm/test/tools/llvm-readobj/XCOFF/symbols.test b/llvm/test/tools/llvm-readobj/XCOFF/symbols.test
index 72ec8967cc9576..6ba2fbab0ba837 100644
--- a/llvm/test/tools/llvm-readobj/XCOFF/symbols.test
+++ b/llvm/test/tools/llvm-readobj/XCOFF/symbols.test
@@ -2,7 +2,8 @@
## 32-bit XCOFF object file.
# RUN: yaml2obj %s -o %t
-# RUN: llvm-readobj --symbols %t | FileCheck --check-prefix=SYMBOL32 %s
+# RUN: llvm-readobj --symbols %t | FileCheck --check-prefixes=SYMBOL32,NODEMANGLE %s
+# RUN: llvm-readobj --symbols --demangle %t | FileCheck --check-prefixes=SYMBOL32,DEMANGLE %s
--- !XCOFF
FileHeader:
@@ -56,7 +57,7 @@ Symbols:
StabInfoIndex: 5
StabSectNum: 6
## The C_EXT symbol with a CSECT auxiliary entry.
- - Name: .fun1
+ - Name: ._Z5func1i
Value: 0x0
Section: .text
Type: 0x20
@@ -224,7 +225,8 @@ Symbols:
# SYMBOL32-NEXT: }
# SYMBOL32-NEXT: Symbol {
# SYMBOL32-NEXT: Index: 8
-# SYMBOL32-NEXT: Name: .fun1
+# NODEMANGLE-NEXT: Name: ._Z5func1i
+# DEMANGLE-NEXT: Name: .func1(int)
# SYMBOL32-NEXT: Value (RelocatableAddress): 0x0
# SYMBOL32-NEXT: Section: .text
# SYMBOL32-NEXT: Type: 0x20
diff --git a/llvm/tools/llvm-readobj/XCOFFDumper.cpp b/llvm/tools/llvm-readobj/XCOFFDumper.cpp
index 8ebd670d5d56af..5816ac5856ee9e 100644
--- a/llvm/tools/llvm-readobj/XCOFFDumper.cpp
+++ b/llvm/tools/llvm-readobj/XCOFFDumper.cpp
@@ -13,6 +13,7 @@
#include "ObjDumper.h"
#include "llvm-readobj.h"
#include "llvm/Object/XCOFFObjectFile.h"
+#include "llvm/Demangle/Demangle.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/ScopedPrinter.h"
@@ -250,7 +251,8 @@ void XCOFFDumper::printLoaderSectionSymbolsHelper(uintptr_t LoaderSectionAddr) {
}
DictScope DS(W, "Symbol");
- W.printString("Name", SymbolNameOrErr.get());
+ StringRef SymbolName = SymbolNameOrErr.get();
+ W.printString("Name", opts::Demangle ? demangle(SymbolName) : SymbolName);
W.printHex("Virtual Address", LoadSecSymEntPtr->Value);
W.printNumber("SectionNum", LoadSecSymEntPtr->SectionNumber);
W.printHex("SymbolType", LoadSecSymEntPtr->SymbolType);
@@ -752,7 +754,7 @@ void XCOFFDumper::printSymbol(const SymbolRef &S) {
XCOFF::StorageClass SymbolClass = SymbolEntRef.getStorageClass();
W.printNumber("Index", SymbolIdx);
- W.printString("Name", SymbolName);
+ W.printString("Name", opts::Demangle ? demangle(SymbolName) : SymbolName);
W.printHex(GetSymbolValueName(SymbolClass), SymbolEntRef.getValue());
StringRef SectionName =
>From 38126d53fdb24df45a6c60f05d29eae62702f2cd Mon Sep 17 00:00:00 2001
From: zhijian <zhijian at ca.ibm.com>
Date: Wed, 17 Jan 2024 10:20:51 -0500
Subject: [PATCH 2/2] run git clang format
---
llvm/tools/llvm-readobj/XCOFFDumper.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/llvm/tools/llvm-readobj/XCOFFDumper.cpp b/llvm/tools/llvm-readobj/XCOFFDumper.cpp
index 5816ac5856ee9e..453d231e44d211 100644
--- a/llvm/tools/llvm-readobj/XCOFFDumper.cpp
+++ b/llvm/tools/llvm-readobj/XCOFFDumper.cpp
@@ -12,8 +12,8 @@
#include "ObjDumper.h"
#include "llvm-readobj.h"
-#include "llvm/Object/XCOFFObjectFile.h"
#include "llvm/Demangle/Demangle.h"
+#include "llvm/Object/XCOFFObjectFile.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/ScopedPrinter.h"
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