Implements low-level object file format specific output for COFF and
ELF with support for:
- File headers
- Section headers + data
- Relocations
- Symbols
- Unwind data (only COFF/Win64)
The output format follows a few rules:
- Values are almost always output one per line (as elf-dump/coff-dump already do). - Many values are translated to something readable (like enum names), with the raw value in parentheses.
- Hex numbers are output in uppercase, prefixed with "0x".
- Flags are sorted alphabetically.
- Lists and groups are always delimited.
Example output:
---------- snip ----------
Sections [
Section {
Index: 1
Name: .text (5)
Type: SHT_PROGBITS (0x1)
Flags [ (0x6)
SHF_ALLOC (0x2)
SHF_EXECINSTR (0x4)
]
Address: 0x0
Offset: 0x40
Size: 33
Link: 0
Info: 0
AddressAlignment: 16
EntrySize: 0
Relocations [
0x6 R_386_32 .rodata.str1.1 0x0
0xB R_386_PC32 puts 0x0
0x12 R_386_32 .rodata.str1.1 0x0
0x17 R_386_PC32 puts 0x0
]
SectionData (
0000: 83EC04C7 04240000 0000E8FC FFFFFFC7 |.....$..........|
0010: 04240600 0000E8FC FFFFFF31 C083C404 |.$.........1....|
0020: C3 |.|
)
}
]
---------- snip ----------
Relocations and symbols can be output standalone or together with the section header as displayed in the example.
This feature set supports all tests in test/MC/COFF and test/MC/ELF (and I suspect all additional tests using elf-dump), making elf-dump and coff-dump deprecated.
Patch by Nico Rieck!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178679 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-readobj/ObjDumper.h b/tools/llvm-readobj/ObjDumper.h
new file mode 100644
index 0000000..8d191cb
--- /dev/null
+++ b/tools/llvm-readobj/ObjDumper.h
@@ -0,0 +1,60 @@
+//===-- ObjDumper.h -------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_READOBJ_OBJDUMPER_H
+#define LLVM_READOBJ_OBJDUMPER_H
+
+namespace llvm {
+
+namespace object {
+ class ObjectFile;
+}
+
+class error_code;
+
+template<typename T>
+class OwningPtr;
+
+class StreamWriter;
+
+class ObjDumper {
+public:
+ ObjDumper(StreamWriter& Writer);
+ virtual ~ObjDumper();
+
+ virtual void printFileHeaders() = 0;
+ virtual void printSections() = 0;
+ virtual void printRelocations() = 0;
+ virtual void printSymbols() = 0;
+ virtual void printDynamicSymbols() = 0;
+ virtual void printUnwindInfo() = 0;
+
+ // Only implemented for ELF at this time.
+ virtual void printDynamicTable() { }
+ virtual void printNeededLibraries() { }
+
+protected:
+ StreamWriter& W;
+};
+
+error_code createCOFFDumper(const object::ObjectFile *Obj,
+ StreamWriter& Writer,
+ OwningPtr<ObjDumper> &Result);
+
+error_code createELFDumper(const object::ObjectFile *Obj,
+ StreamWriter& Writer,
+ OwningPtr<ObjDumper> &Result);
+
+error_code createMachODumper(const object::ObjectFile *Obj,
+ StreamWriter& Writer,
+ OwningPtr<ObjDumper> &Result);
+
+} // namespace llvm
+
+#endif