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[llvm-pdbutil] Show what blocks a stream occupies.

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This is useful when you want to look at a specific chunk of a
stream or look for discontinuities, and you need to know the
list of blocks occupied by a stream.

llvm-svn: 306150
This commit is contained in:
Zachary Turner 2017-06-23 20:28:14 +00:00
parent 086ec4ddf5
commit b33f95af4f
4 changed files with 47 additions and 17 deletions
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17
test/DebugInfo/PDB/pdbdump-headers.test
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@ -23,22 +23,39 @@ ALL-NEXT: Is stripped: false
ALL: Streams
ALL-NEXT: ============================================================
ALL-NEXT: Stream 0: [Old MSF Directory] (40 bytes)
ALL-NEXT: Blocks: [8]
ALL-NEXT: Stream 1: [PDB Stream] (118 bytes)
ALL-NEXT: Blocks: [19]
ALL-NEXT: Stream 2: [TPI Stream] (5392 bytes)
ALL-NEXT: Blocks: [18, 17]
ALL-NEXT: Stream 3: [DBI Stream] (739 bytes)
ALL-NEXT: Blocks: [14]
ALL-NEXT: Stream 4: [IPI Stream] (784 bytes)
ALL-NEXT: Blocks: [20]
ALL-NEXT: Stream 5: [Named Stream "/LinkInfo"] (0 bytes)
ALL-NEXT: Blocks: []
ALL-NEXT: Stream 6: [Global Symbol Hash] (556 bytes)
ALL-NEXT: Blocks: [11]
ALL-NEXT: Stream 7: [Public Symbol Hash] (604 bytes)
ALL-NEXT: Blocks: [13]
ALL-NEXT: Stream 8: [Public Symbol Records] (104 bytes)
ALL-NEXT: Blocks: [12]
ALL-NEXT: Stream 9: [Named Stream "/src/headerblock"] (0 bytes)
ALL-NEXT: Blocks: []
ALL-NEXT: Stream 10: [Section Header Data] (160 bytes)
ALL-NEXT: Blocks: [10]
ALL-NEXT: Stream 11: [New FPO Data] (32 bytes)
ALL-NEXT: Blocks: [15]
ALL-NEXT: Stream 12: [Module "d:\src\llvm\test\DebugInfo\PDB\Inputs\empty.obj"] (308 bytes)
ALL-NEXT: Blocks: [6]
ALL-NEXT: Stream 13: [Named Stream "/names"] (239 bytes)
ALL-NEXT: Blocks: [16]
ALL-NEXT: Stream 14: [Module "* Linker *"] (520 bytes)
ALL-NEXT: Blocks: [7]
ALL-NEXT: Stream 15: [TPI Hash] (308 bytes)
ALL-NEXT: Blocks: [21]
ALL-NEXT: Stream 16: [IPI Hash] (68 bytes)
ALL-NEXT: Blocks: [22]
ALL: String Table
ALL-NEXT: ============================================================
ALL-NEXT: ID | String

7
tools/llvm-pdbutil/DumpOutputStyle.cpp
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@ -199,6 +199,13 @@ Error DumpOutputStyle::dumpStreamSummary() {
"Stream {0}: [{1}] ({2} bytes)",
fmt_align(StreamIdx, AlignStyle::Right, NumDigits(StreamCount)),
StreamPurposes[StreamIdx], File.getStreamByteSize(StreamIdx));
if (opts::dump::DumpStreamBlocks) {
auto Blocks = File.getStreamBlockList(StreamIdx);
std::vector<uint32_t> BV(Blocks.begin(), Blocks.end());
P.formatLine(" {0} Blocks: [{1}]",
fmt_repeat(' ', NumDigits(StreamCount)),
make_range(BV.begin(), BV.end()));
}
}
return Error::success();

5
tools/llvm-pdbutil/llvm-pdbutil.cpp
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@ -308,6 +308,10 @@ cl::opt<bool> DumpSummary("summary", cl::desc("dump file summary"),
cl::opt<bool> DumpStreams("streams",
cl::desc("dump summary of the PDB streams"),
cl::cat(MsfOptions), cl::sub(DumpSubcommand));
cl::opt<bool> DumpStreamBlocks(
"stream-blocks",
cl::desc("Add block information to the output of -streams"),
cl::cat(MsfOptions), cl::sub(DumpSubcommand));
// TYPE OPTIONS
cl::opt<bool> DumpTypes("types",
@ -978,6 +982,7 @@ int main(int argc_, const char *argv_[]) {
opts::dump::DumpSectionContribs = true;
opts::dump::DumpSectionMap = true;
opts::dump::DumpStreams = true;
opts::dump::DumpStreamBlocks = true;
opts::dump::DumpStringTable = true;
opts::dump::DumpSummary = true;
opts::dump::DumpSymbols = true;

1
tools/llvm-pdbutil/llvm-pdbutil.h
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@ -108,6 +108,7 @@ namespace dump {
extern llvm::cl::opt<bool> DumpSummary;
extern llvm::cl::opt<bool> DumpStreams;
extern llvm::cl::opt<bool> DumpStreamBlocks;
extern llvm::cl::opt<bool> DumpLines;
extern llvm::cl::opt<bool> DumpInlineeLines;