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Disassemble the start of sections even if there is no symbol there.

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We already handled a section with no symbols, extend that to also handle a
section with symbols that don't include the section start.

llvm-svn: 239039
This commit is contained in:
Rafael Espindola 2015-06-04 15:01:05 +00:00
parent 3c711cad2a
commit a4ac37168e
3 changed files with 12 additions and 5 deletions
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BIN
test/Object/Inputs/no-start-symbol.elf-x86_64 Normal file
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9
test/Object/no-start-symbol.test Normal file
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@ -0,0 +1,9 @@
RUN: llvm-objdump -d %p/Inputs/no-start-symbol.elf-x86_64 | FileCheck %s
Test that we disassemble the start of the section.
CHECK: Disassembly of section .text:
CHECK-NEXT: .text:
CHECK-NEXT: 0: 90 nop
CHECK: foo:
CHECK-NEXT: 1: 90 nop

8
tools/llvm-objdump/llvm-objdump.cpp
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@ -809,11 +809,9 @@ static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
outs() << SegmentName << ",";
outs() << name << ':';
// If the section has no symbols just insert a dummy one and disassemble
// the whole section.
if (Symbols.empty())
Symbols.push_back(std::make_pair(0, name));
// If the section has no symbol at the start, just insert a dummy one.
if (Symbols.empty() || Symbols[0].first != 0)
Symbols.insert(Symbols.begin(), std::make_pair(0, name));
SmallString<40> Comments;
raw_svector_ostream CommentStream(Comments);