Dump sections. Extracted from a patch by Sami Liedes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171304 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-readobj/llvm-readobj.cpp b/tools/llvm-readobj/llvm-readobj.cpp
index 81d2bfb..27b5c53 100644
--- a/tools/llvm-readobj/llvm-readobj.cpp
+++ b/tools/llvm-readobj/llvm-readobj.cpp
@@ -43,6 +43,15 @@
<< "\n";
}
+static void dumpSectionHeader() {
+ outs() << format(" %-24s", (const char*)"Name")
+ << format(" %-16s", (const char*)"Address")
+ << format(" %-16s", (const char*)"Size")
+ << format(" %-8s", (const char*)"Align")
+ << format(" %-26s", (const char*)"Flags")
+ << "\n";
+}
+
static const char *getTypeStr(SymbolRef::Type Type) {
switch (Type) {
case SymbolRef::ST_Unknown: return "?";
@@ -84,6 +93,36 @@
report_fatal_error(std::string(msg) + ": " + ec.message());
}
+static std::string getSectionFlagStr(const SectionRef &Section) {
+ const struct {
+ error_code (SectionRef::*MemF)(bool &) const;
+ const char *FlagStr, *ErrorStr;
+ } Work[] =
+ {{ &SectionRef::isText, "text,", "Section.isText() failed" },
+ { &SectionRef::isData, "data,", "Section.isData() failed" },
+ { &SectionRef::isBSS, "bss,", "Section.isBSS() failed" },
+ { &SectionRef::isRequiredForExecution, "required,",
+ "Section.isRequiredForExecution() failed" },
+ { &SectionRef::isVirtual, "virtual,", "Section.isVirtual() failed" },
+ { &SectionRef::isZeroInit, "zeroinit,", "Section.isZeroInit() failed" },
+ { &SectionRef::isReadOnlyData, "rodata,",
+ "Section.isReadOnlyData() failed" }};
+
+ std::string result;
+ for (uint32_t I = 0; I < sizeof(Work)/sizeof(*Work); ++I) {
+ bool B;
+ checkError((Section.*Work[I].MemF)(B), Work[I].ErrorStr);
+ if (B)
+ result += Work[I].FlagStr;
+ }
+
+ // Remove trailing comma
+ if (result.size() > 0) {
+ result.erase(result.size() - 1);
+ }
+ return result;
+}
+
static void
dumpSymbol(const SymbolRef &Sym, const ObjectFile *obj, bool IsDynamic) {
StringRef Name;
@@ -159,12 +198,43 @@
outs() << " Total: " << count << "\n\n";
}
+static void dumpSection(const SectionRef &Section, const ObjectFile *obj) {
+ StringRef Name;
+ checkError(Section.getName(Name), "SectionRef::getName() failed");
+ uint64_t Addr, Size, Align;
+ checkError(Section.getAddress(Addr), "SectionRef::getAddress() failed");
+ checkError(Section.getSize(Size), "SectionRef::getSize() failed");
+ checkError(Section.getAlignment(Align), "SectionRef::getAlignment() failed");
+ outs() << format(" %-24s", std::string(Name).c_str())
+ << format(" %16" PRIx64, Addr)
+ << format(" %16" PRIx64, Size)
+ << format(" %8" PRIx64, Align)
+ << " " << getSectionFlagStr(Section)
+ << "\n";
+}
+
static void dumpLibrary(const LibraryRef &lib) {
StringRef path;
lib.getPath(path);
outs() << " " << path << "\n";
}
+template<typename Iterator, typename Func>
+static void dump(const ObjectFile *obj, Func f, Iterator begin, Iterator end,
+ const char *errStr) {
+ error_code ec;
+ uint32_t count = 0;
+ Iterator it = begin, ie = end;
+ while (it != ie) {
+ f(*it, obj);
+ it.increment(ec);
+ if (ec)
+ report_fatal_error(errStr);
+ ++count;
+ }
+ outs() << " Total: " << count << "\n\n";
+}
+
// Iterate through needed libraries
static void dumpLibrariesNeeded(const ObjectFile *obj) {
error_code ec;
@@ -220,6 +290,12 @@
dumpHeaders(obj);
dumpSymbols(obj);
dumpDynamicSymbols(obj);
+
+ outs() << "Sections:\n";
+ dumpSectionHeader();
+ dump(obj, &dumpSection, obj->begin_sections(), obj->end_sections(),
+ "Section iteration failed");
+
dumpLibrariesNeeded(obj);
return 0;
}