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authorEric Christopher <echristo@gmail.com>2013-04-03 18:31:38 +0000
committerEric Christopher <echristo@gmail.com>2013-04-03 18:31:38 +0000
commit76e70f340c09ba759ad96d8dfe416b64f24bc287 (patch)
treeac6cbe6235f9bf391026db87c52a0d617d35c9ba /tools/llvm-readobj/ObjDumper.h
parent99ff2ba240979249b61514c1536bbe23be84ecc7 (diff)
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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
Diffstat (limited to 'tools/llvm-readobj/ObjDumper.h')
-rw-r--r--tools/llvm-readobj/ObjDumper.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/tools/llvm-readobj/ObjDumper.h b/tools/llvm-readobj/ObjDumper.h
new file mode 100644
index 0000000000..8d191cbe07
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+++ 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