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llvm-objdump: Skip empty sections when dumping contents

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Empty sections are just noise when using objdump.
This is similar to what binutils does.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221680 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer
2014-11-11 09:58:25 +00:00
parent dd848e93cc
commit 1dd631fe02
4 changed files with 9 additions and 20 deletions
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9
tools/llvm-objdump/llvm-objdump.cpp
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@ -313,6 +313,8 @@ static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
uint64_t SectionAddr = Section.getAddress();
uint64_t SectSize = Section.getSize();
if (!SectSize)
continue;
// Make a list of all the symbols in this section.
std::vector<std::pair<uint64_t, StringRef>> Symbols;
@ -514,11 +516,12 @@ static void PrintSectionContents(const ObjectFile *Obj) {
if (error(Section.getName(Name)))
continue;
uint64_t BaseAddr = Section.getAddress();
bool BSS = Section.isBSS();
uint64_t Size = Section.getSize();
if (!Size)
continue;
outs() << "Contents of section " << Name << ":\n";
if (BSS) {
uint64_t Size = Section.getSize();
if (Section.isBSS()) {
outs() << format("<skipping contents of bss section at [%04" PRIx64
", %04" PRIx64 ")>\n",
BaseAddr, BaseAddr + Size);