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[llvm-objdump] Add -D and --disassemble-all flags that attempt disassembly on all sections instead of just text sections.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243041 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Colin LeMahieu
2015-07-23 20:58:49 +00:00
parent 106d75d396
commit ea8050283f
3 changed files with 19 additions and 3 deletions
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6
test/tools/llvm-objdump/disassemble-data.test Normal file
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@@ -0,0 +1,6 @@
// This test checks that -D disassembles from a data section
// RUN: llvm-mc -filetype=obj -o - %s | llvm-objdump -D - | FileCheck %s
// CHECK: Disassembly of section .data:
.data
.word 0x0

13
tools/llvm-objdump/llvm-objdump.cpp
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@@ -70,7 +70,14 @@ llvm::Disassemble("disassemble",
cl::desc("Display assembler mnemonics for the machine instructions")); cl::desc("Display assembler mnemonics for the machine instructions"));
static cl::alias static cl::alias
Disassembled("d", cl::desc("Alias for --disassemble"), Disassembled("d", cl::desc("Alias for --disassemble"),
cl::aliasopt(Disassemble)); cl::aliasopt(Disassemble));
cl::opt<bool>
llvm::DisassembleAll("disassemble-all",
cl::desc("Display assembler mnemonics for the machine instructions"));
static cl::alias
DisassembleAlld("D", cl::desc("Alias for --disassemble-all"),
cl::aliasopt(DisassembleAll));
cl::opt<bool> cl::opt<bool>
llvm::Relocations("r", cl::desc("Display the relocation entries in the file")); llvm::Relocations("r", cl::desc("Display the relocation entries in the file"));
@@ -837,7 +844,7 @@ static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
} }
for (const SectionRef &Section : Obj->sections()) { for (const SectionRef &Section : Obj->sections()) {
if (!Section.isText() || Section.isVirtual()) if (!DisassembleAll && (!Section.isText() || Section.isVirtual()))
continue; continue;
uint64_t SectionAddr = Section.getAddress(); uint64_t SectionAddr = Section.getAddress();
@@ -1514,6 +1521,8 @@ int main(int argc, char **argv) {
if (InputFilenames.size() == 0) if (InputFilenames.size() == 0)
InputFilenames.push_back("a.out"); InputFilenames.push_back("a.out");
if (DisassembleAll)
Disassemble = true;
if (!Disassemble if (!Disassemble
&& !Relocations && !Relocations
&& !SectionHeaders && !SectionHeaders

3
tools/llvm-objdump/llvm-objdump.h
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@@ -26,7 +26,8 @@ extern cl::opt<std::string> ArchName;
extern cl::opt<std::string> MCPU; extern cl::opt<std::string> MCPU;
extern cl::list<std::string> MAttrs; extern cl::list<std::string> MAttrs;
extern cl::list<std::string> DumpSections; extern cl::list<std::string> DumpSections;
extern cl::opt<bool> Disassemble; extern cl::opt<bool> Disassemble;
extern cl::opt<bool> DisassembleAll;
extern cl::opt<bool> NoShowRawInsn; extern cl::opt<bool> NoShowRawInsn;
extern cl::opt<bool> PrivateHeaders; extern cl::opt<bool> PrivateHeaders;
extern cl::opt<bool> ExportsTrie; extern cl::opt<bool> ExportsTrie;