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authorNico Rieck <nico.rieck@gmail.com>2013-04-12 04:07:39 +0000
committerNico Rieck <nico.rieck@gmail.com>2013-04-12 04:07:39 +0000
commitcf3b55ab18b6d0f5b658e746b57ec3cf193d5688 (patch)
tree26eb0b2d937072d5b091fe111ecde2ddb3d1a468 /tools/llvm-readobj
parent7e87373e91afe6a9ed1ead63d9d02448f02213d3 (diff)
Teach llvm-readobj to print ELF program headers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179363 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/llvm-readobj')
-rw-r--r--tools/llvm-readobj/ELFDumper.cpp56
-rw-r--r--tools/llvm-readobj/ObjDumper.h1
-rw-r--r--tools/llvm-readobj/llvm-readobj.cpp6
3 files changed, 58 insertions, 5 deletions
diff --git a/tools/llvm-readobj/ELFDumper.cpp b/tools/llvm-readobj/ELFDumper.cpp
index b0e2734ac9..3757b09c39 100644
--- a/tools/llvm-readobj/ELFDumper.cpp
+++ b/tools/llvm-readobj/ELFDumper.cpp
@@ -50,16 +50,18 @@ public:
virtual void printDynamicTable() LLVM_OVERRIDE;
virtual void printNeededLibraries() LLVM_OVERRIDE;
+ virtual void printProgramHeaders() LLVM_OVERRIDE;
private:
- typedef typename ELFObjectFile<ELFT>::Elf_Shdr Elf_Shdr;
- typedef typename ELFObjectFile<ELFT>::Elf_Sym Elf_Sym;
+ typedef ELFObjectFile<ELFT> ELFO;
+ typedef typename ELFO::Elf_Shdr Elf_Shdr;
+ typedef typename ELFO::Elf_Sym Elf_Sym;
void printSymbol(symbol_iterator SymI, bool IsDynamic = false);
void printRelocation(section_iterator SecI, relocation_iterator RelI);
- const ELFObjectFile<ELFT> *Obj;
+ const ELFO *Obj;
};
} // namespace
@@ -399,11 +401,37 @@ static const EnumEntry<unsigned> ElfSectionFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
};
+static const EnumEntry<unsigned> ElfSegmentTypes[] = {
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_NULL ),
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_LOAD ),
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_DYNAMIC),
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_INTERP ),
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_NOTE ),
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_SHLIB ),
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_PHDR ),
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_TLS ),
+
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_EH_FRAME),
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_SUNW_EH_FRAME),
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_SUNW_UNWIND),
+
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_STACK),
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_RELRO),
+
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_ARM_EXIDX),
+ LLVM_READOBJ_ENUM_ENT(ELF, PT_ARM_UNWIND)
+};
+
+static const EnumEntry<unsigned> ElfSegmentFlags[] = {
+ LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
+ LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
+ LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
+};
+
template<class ELFT>
void ELFDumper<ELFT>::printFileHeaders() {
error_code EC;
- typedef ELFObjectFile<ELFT> ELFO;
const typename ELFO::Elf_Ehdr *Header = Obj->getElfHeader();
@@ -745,7 +773,6 @@ void ELFDumper<ELFT>::printUnwindInfo() {
template<class ELFT>
void ELFDumper<ELFT>::printDynamicTable() {
- typedef ELFObjectFile<ELFT> ELFO;
typedef typename ELFO::Elf_Dyn_iterator EDI;
EDI Start = Obj->begin_dynamic_table(),
End = Obj->end_dynamic_table(true);
@@ -808,3 +835,22 @@ void ELFDumper<ELFT>::printNeededLibraries() {
outs() << " " << Path << "\n";
}
}
+
+template<class ELFT>
+void ELFDumper<ELFT>::printProgramHeaders() {
+ ListScope L(W, "ProgramHeaders");
+
+ for (typename ELFO::Elf_Phdr_Iter PI = Obj->begin_program_headers(),
+ PE = Obj->end_program_headers();
+ PI != PE; ++PI) {
+ DictScope P(W, "ProgramHeader");
+ W.printEnum ("Type", PI->p_type, makeArrayRef(ElfSegmentTypes));
+ W.printHex ("Offset", PI->p_offset);
+ W.printHex ("VirtualAddress", PI->p_vaddr);
+ W.printHex ("PhysicalAddress", PI->p_paddr);
+ W.printNumber("FileSize", PI->p_filesz);
+ W.printNumber("MemSize", PI->p_memsz);
+ W.printFlags ("Flags", PI->p_flags, makeArrayRef(ElfSegmentFlags));
+ W.printNumber("Alignment", PI->p_align);
+ }
+}
diff --git a/tools/llvm-readobj/ObjDumper.h b/tools/llvm-readobj/ObjDumper.h
index 8d191cbe07..6918e28cb9 100644
--- a/tools/llvm-readobj/ObjDumper.h
+++ b/tools/llvm-readobj/ObjDumper.h
@@ -38,6 +38,7 @@ public:
// Only implemented for ELF at this time.
virtual void printDynamicTable() { }
virtual void printNeededLibraries() { }
+ virtual void printProgramHeaders() { }
protected:
StreamWriter& W;
diff --git a/tools/llvm-readobj/llvm-readobj.cpp b/tools/llvm-readobj/llvm-readobj.cpp
index 9d5cfcbd6a..7a4b4e4431 100644
--- a/tools/llvm-readobj/llvm-readobj.cpp
+++ b/tools/llvm-readobj/llvm-readobj.cpp
@@ -121,6 +121,10 @@ namespace opts {
cl::opt<bool> NeededLibraries("needed-libs",
cl::desc("Display the needed libraries"));
+ // -program-headers
+ cl::opt<bool> ProgramHeaders("program-headers",
+ cl::desc("Display ELF program headers"));
+
// -expand-relocs
cl::opt<bool> ExpandRelocs("expand-relocs",
cl::desc("Expand each shown relocation to multiple lines"));
@@ -215,6 +219,8 @@ static void dumpObject(const ObjectFile *Obj) {
Dumper->printDynamicTable();
if (opts::NeededLibraries)
Dumper->printNeededLibraries();
+ if (opts::ProgramHeaders)
+ Dumper->printProgramHeaders();
}