forked from OSchip/llvm-project
[symbolizer] Added StartAddress for the resolved function.
In many cases it is helpful to know at what address the resolved function starts. This patch adds a new StartAddress member to the DILineInfo structure. Reviewed By: jhenderson, dblaikie Differential Revision: https://reviews.llvm.org/D102316
This commit is contained in:
Alex Orlov
parent
5f2b276667
commit
4fedb3a613
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@ -374,7 +374,7 @@ OPTIONS
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.. option:: --verbose
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Print verbose line and column information.
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Print verbose address, line and column information.
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.. code-block:: console
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@ -382,11 +382,13 @@ OPTIONS
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baz()
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Filename: /tmp/test.cpp
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Function start line: 9
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Function start address: 0x4004b0
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Line: 11
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Column: 18
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main
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Filename: /tmp/test.cpp
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Function start line: 14
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Function start address: 0x4004b0
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Line: 15
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Column: 0
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@ -40,6 +40,7 @@ struct DILineInfo {
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uint32_t Line = 0;
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uint32_t Column = 0;
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uint32_t StartLine = 0;
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Optional<uint64_t> StartAddress;
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// DWARF-specific.
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uint32_t Discriminator = 0;
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@ -78,6 +78,7 @@ protected:
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const DILineInfo &Info) = 0;
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void printContext(SourceCode SourceCode);
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void printVerbose(StringRef Filename, const DILineInfo &Info);
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virtual void printStartAddress(const DILineInfo &Info) {}
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virtual void printFooter() {}
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private:
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@ -105,6 +106,7 @@ public:
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class LLVMPrinter : public PlainPrinterBase {
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private:
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void printSimpleLocation(StringRef Filename, const DILineInfo &Info) override;
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void printStartAddress(const DILineInfo &Info) override;
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void printFooter() override;
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public:
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@ -1035,13 +1035,11 @@ DWARFContext::DIEsForAddress DWARFContext::getDIEsForAddress(uint64_t Address) {
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/// TODO: change input parameter from "uint64_t Address"
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/// into "SectionedAddress Address"
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static bool getFunctionNameAndStartLineForAddress(DWARFCompileUnit *CU,
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uint64_t Address,
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FunctionNameKind Kind,
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static bool getFunctionNameAndStartLineForAddress(
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DWARFCompileUnit *CU, uint64_t Address, FunctionNameKind Kind,
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DILineInfoSpecifier::FileLineInfoKind FileNameKind,
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std::string &FunctionName,
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std::string &StartFile,
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uint32_t &StartLine) {
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std::string &FunctionName, std::string &StartFile, uint32_t &StartLine,
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Optional<uint64_t> &StartAddress) {
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// The address may correspond to instruction in some inlined function,
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// so we have to build the chain of inlined functions and take the
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// name of the topmost function in it.
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@ -1066,7 +1064,8 @@ static bool getFunctionNameAndStartLineForAddress(DWARFCompileUnit *CU,
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StartLine = DeclLineResult;
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FoundResult = true;
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}
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if (auto LowPcAddr = toSectionedAddress(DIE.find(DW_AT_low_pc)))
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StartAddress = LowPcAddr->Address;
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return FoundResult;
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}
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@ -1233,9 +1232,9 @@ DILineInfo DWARFContext::getLineInfoForAddress(object::SectionedAddress Address,
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if (!CU)
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return Result;
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getFunctionNameAndStartLineForAddress(CU, Address.Address, Spec.FNKind, Spec.FLIKind,
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Result.FunctionName,
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Result.StartFileName, Result.StartLine);
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getFunctionNameAndStartLineForAddress(
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CU, Address.Address, Spec.FNKind, Spec.FLIKind, Result.FunctionName,
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Result.StartFileName, Result.StartLine, Result.StartAddress);
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if (Spec.FLIKind != FileLineInfoKind::None) {
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if (const DWARFLineTable *LineTable = getLineTableForUnit(CU)) {
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LineTable->getFileLineInfoForAddress(
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@ -1256,8 +1255,10 @@ DILineInfoTable DWARFContext::getLineInfoForAddressRange(
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uint32_t StartLine = 0;
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std::string StartFileName;
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std::string FunctionName(DILineInfo::BadString);
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getFunctionNameAndStartLineForAddress(CU, Address.Address, Spec.FNKind, Spec.FLIKind,
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FunctionName, StartFileName, StartLine);
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Optional<uint64_t> StartAddress;
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getFunctionNameAndStartLineForAddress(CU, Address.Address, Spec.FNKind,
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Spec.FLIKind, FunctionName,
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StartFileName, StartLine, StartAddress);
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// If the Specifier says we don't need FileLineInfo, just
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// return the top-most function at the starting address.
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@ -1266,6 +1267,7 @@ DILineInfoTable DWARFContext::getLineInfoForAddressRange(
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Result.FunctionName = FunctionName;
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Result.StartFileName = StartFileName;
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Result.StartLine = StartLine;
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Result.StartAddress = StartAddress;
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Lines.push_back(std::make_pair(Address.Address, Result));
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return Lines;
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}
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@ -1290,6 +1292,7 @@ DILineInfoTable DWARFContext::getLineInfoForAddressRange(
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Result.Column = Row.Column;
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Result.StartFileName = StartFileName;
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Result.StartLine = StartLine;
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Result.StartAddress = StartAddress;
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Lines.push_back(std::make_pair(Row.Address.Address, Result));
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}
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@ -1332,6 +1335,8 @@ DWARFContext::getInliningInfoForAddress(object::SectionedAddress Address,
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if (auto DeclLineResult = FunctionDIE.getDeclLine())
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Frame.StartLine = DeclLineResult;
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Frame.StartFileName = FunctionDIE.getDeclFile(Spec.FLIKind);
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if (auto LowPcAddr = toSectionedAddress(FunctionDIE.find(DW_AT_low_pc)))
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Frame.StartAddress = LowPcAddr->Address;
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if (Spec.FLIKind != FileLineInfoKind::None) {
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if (i == 0) {
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// For the topmost frame, initialize the line table of this
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@ -150,12 +150,21 @@ void PlainPrinterBase::printVerbose(StringRef Filename,
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OS << " Function start filename: " << Info.StartFileName << '\n';
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OS << " Function start line: " << Info.StartLine << '\n';
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}
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printStartAddress(Info);
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OS << " Line: " << Info.Line << '\n';
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OS << " Column: " << Info.Column << '\n';
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if (Info.Discriminator)
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OS << " Discriminator: " << Info.Discriminator << '\n';
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}
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void LLVMPrinter::printStartAddress(const DILineInfo &Info) {
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if (Info.StartAddress) {
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OS << " Function start address: 0x";
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OS.write_hex(*Info.StartAddress);
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OS << '\n';
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}
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}
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void LLVMPrinter::printFooter() { OS << '\n'; }
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void PlainPrinterBase::print(const DILineInfo &Info, bool Inlined) {
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@ -290,6 +299,8 @@ void JSONPrinter::print(const Request &Request, const DIInliningInfo &Info) {
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? LineInfo.StartFileName
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: ""},
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{"StartLine", LineInfo.StartLine},
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{"StartAddress",
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LineInfo.StartAddress ? toHex(*LineInfo.StartAddress) : ""},
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{"FileName",
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LineInfo.FileName != DILineInfo::BadString ? LineInfo.FileName : ""},
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{"Line", LineInfo.Line},
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@ -282,6 +282,7 @@ SymbolizableObjectFile::symbolizeCode(object::SectionedAddress ModuleOffset,
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if (getNameFromSymbolTable(ModuleOffset.Address, FunctionName, Start, Size,
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FileName)) {
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LineInfo.FunctionName = FunctionName;
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LineInfo.StartAddress = Start;
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if (LineInfo.FileName == DILineInfo::BadString && !FileName.empty())
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LineInfo.FileName = FileName;
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}
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@ -311,6 +312,7 @@ DIInliningInfo SymbolizableObjectFile::symbolizeInlinedCode(
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DILineInfo *LI = InlinedContext.getMutableFrame(
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InlinedContext.getNumberOfFrames() - 1);
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LI->FunctionName = FunctionName;
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LI->StartAddress = Start;
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if (LI->FileName == DILineInfo::BadString && !FileName.empty())
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LI->FileName = FileName;
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}
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@ -12,12 +12,12 @@
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## Expected a list with one empty object with default values.
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# RUN: llvm-symbolizer --output-style=JSON -e %p/Inputs/addr.exe 0x10000000 | \
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# RUN: FileCheck %s --check-prefix=NOT-FOUND --strict-whitespace --match-full-lines --implicit-check-not={{.}}
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# NOT-FOUND:[{"Address":"0x10000000","ModuleName":"{{.*}}/Inputs/addr.exe","Symbol":[{"Column":0,"Discriminator":0,"FileName":"","FunctionName":"","Line":0,"StartFileName":"","StartLine":0}]}]
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# NOT-FOUND:[{"Address":"0x10000000","ModuleName":"{{.*}}/Inputs/addr.exe","Symbol":[{"Column":0,"Discriminator":0,"FileName":"","FunctionName":"","Line":0,"StartAddress":"","StartFileName":"","StartLine":0}]}]
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## Check a non-zero discriminator.
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# RUN: llvm-symbolizer --output-style=JSON --obj=%p/Inputs/discrim 0x400575 | \
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# RUN: FileCheck %s --check-prefix=DISCRIM --strict-whitespace --match-full-lines --implicit-check-not={{.}}
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# DISCRIM:[{"Address":"0x400575","ModuleName":"{{.*}}/Inputs/discrim","Symbol":[{"Column":17,"Discriminator":2,"FileName":"/tmp{{/|\\\\}}discrim.c","FunctionName":"foo","Line":5,"StartFileName":"/tmp{{/|\\\\}}discrim.c","StartLine":4}]}]
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# DISCRIM:[{"Address":"0x400575","ModuleName":"{{.*}}/Inputs/discrim","Symbol":[{"Column":17,"Discriminator":2,"FileName":"/tmp{{/|\\\\}}discrim.c","FunctionName":"foo","Line":5,"StartAddress":"0x400560","StartFileName":"/tmp{{/|\\\\}}discrim.c","StartLine":4}]}]
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## In case of stdin input the output will contain a single JSON object for each input string.
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@ -27,7 +27,7 @@
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## Invalid first argument before any valid one.
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# NO-INLINES:{"Error":{"Message":"unable to parse arguments: some text"},"ModuleName":"{{.*}}/Inputs/addr.exe"}
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## Resolve valid address.
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# NO-INLINES-NEXT:{"Address":"0x40054d","ModuleName":"{{.*}}/Inputs/addr.exe","Symbol":[{"Column":3,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"main","Line":3,"StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":2}]}
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# NO-INLINES-NEXT:{"Address":"0x40054d","ModuleName":"{{.*}}/Inputs/addr.exe","Symbol":[{"Column":3,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"main","Line":3,"StartAddress":"0x400540","StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":2}]}
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## Invalid argument after a valid one.
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# NO-INLINES-NEXT:{"Error":{"Message":"unable to parse arguments: some text2"},"ModuleName":"{{.*}}/Inputs/addr.exe"}
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@ -37,7 +37,7 @@
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## Invalid first argument before any valid one.
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# INLINE:{"Error":{"Message":"unable to parse arguments: some text"},"ModuleName":"{{.*}}/Inputs/addr.exe"}
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## Resolve valid address.
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# INLINE-NEXT:{"Address":"0x40054d","ModuleName":"{{.*}}/Inputs/addr.exe","Symbol":[{"Column":3,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"inctwo","Line":3,"StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":2},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"inc","Line":7,"StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":6},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"main","Line":14,"StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":12}]}
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# INLINE-NEXT:{"Address":"0x40054d","ModuleName":"{{.*}}/Inputs/addr.exe","Symbol":[{"Column":3,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"inctwo","Line":3,"StartAddress":"0x400540","StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":2},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"inc","Line":7,"StartAddress":"0x400540","StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":6},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"main","Line":14,"StartAddress":"0x400540","StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":12}]}
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## Invalid argument after a valid one.
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# INLINE-NEXT:{"Error":{"Message":"unable to parse arguments: some text2"},"ModuleName":"{{.*}}/Inputs/addr.exe"}
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@ -48,7 +48,7 @@
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## Invalid first argument before any valid one.
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# INLINE-A2L:{"Error":{"Message":"unable to parse arguments: some text"},"ModuleName":"{{.*}}/Inputs/addr.exe"}
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## Resolve valid address.
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# INLINE-A2L-NEXT:{"Address":"0x40054d","ModuleName":"{{.*}}/Inputs/addr.exe","Symbol":[{"Column":3,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"inctwo","Line":3,"StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":2},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"inc","Line":7,"StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":6},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"main","Line":14,"StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":12}]}
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# INLINE-A2L-NEXT:{"Address":"0x40054d","ModuleName":"{{.*}}/Inputs/addr.exe","Symbol":[{"Column":3,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"inctwo","Line":3,"StartAddress":"0x400540","StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":2},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"inc","Line":7,"StartAddress":"0x400540","StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":6},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"main","Line":14,"StartAddress":"0x400540","StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":12}]}
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## Invalid argument after a valid one.
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# INLINE-A2L-NEXT:{"Error":{"Message":"unable to parse arguments: some text2"},"ModuleName":"{{.*}}/Inputs/addr.exe"}
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@ -58,6 +58,6 @@
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## Invalid first argument before any valid one.
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# NO-FUNC-A2L:{"Error":{"Message":"unable to parse arguments: some text"},"ModuleName":"{{.*}}/Inputs/addr.exe"}
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## Resolve valid address.
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# NO-FUNC-A2L-NEXT:{"Address":"0x40054d","ModuleName":"{{.*}}/Inputs/addr.exe","Symbol":[{"Column":3,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"","Line":3,"StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":2},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"","Line":7,"StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":6},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"","Line":14,"StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":12}]}
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# NO-FUNC-A2L-NEXT:{"Address":"0x40054d","ModuleName":"{{.*}}/Inputs/addr.exe","Symbol":[{"Column":3,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"","Line":3,"StartAddress":"0x400540","StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":2},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"","Line":7,"StartAddress":"0x400540","StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":6},{"Column":0,"Discriminator":0,"FileName":"/tmp{{/|\\\\}}x.c","FunctionName":"","Line":14,"StartAddress":"0x400540","StartFileName":"/tmp{{/|\\\\}}x.c","StartLine":12}]}
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## Invalid argument after a valid one.
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# NO-FUNC-A2L-NEXT:{"Error":{"Message":"unable to parse arguments: some text2"},"ModuleName":"{{.*}}/Inputs/addr.exe"}
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@ -20,12 +20,14 @@ RUN: llvm-symbolizer -verbose -print-address -obj=%p/Inputs/discrim < %p/Inputs/
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#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start line: 4
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#CHECK-NEXT: Function start address: 0x400590
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#CHECK-NEXT: Line: 5
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#CHECK-NEXT: Column: 7
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#CHECK-NEXT: main
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#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start line: 9
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#CHECK-NEXT: Function start address: 0x400590
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#CHECK-NEXT: Line: 10
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#CHECK-NEXT: Column: 0
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@ -34,6 +36,7 @@ RUN: llvm-symbolizer -verbose -print-address -obj=%p/Inputs/discrim < %p/Inputs/
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#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start line: 4
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#CHECK-NEXT: Function start address: 0x400590
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#CHECK-NEXT: Line: 5
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#CHECK-NEXT: Column: 17
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#CHECK-NEXT: Discriminator: 2
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@ -41,6 +44,7 @@ RUN: llvm-symbolizer -verbose -print-address -obj=%p/Inputs/discrim < %p/Inputs/
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#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start line: 9
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#CHECK-NEXT: Function start address: 0x400590
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#CHECK-NEXT: Line: 10
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#CHECK-NEXT: Column: 0
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@ -49,6 +53,7 @@ RUN: llvm-symbolizer -verbose -print-address -obj=%p/Inputs/discrim < %p/Inputs/
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#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start line: 4
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#CHECK-NEXT: Function start address: 0x400590
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#CHECK-NEXT: Line: 0
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#CHECK-NEXT: Column: 30
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#CHECK-NEXT: Discriminator: 4
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@ -56,6 +61,7 @@ RUN: llvm-symbolizer -verbose -print-address -obj=%p/Inputs/discrim < %p/Inputs/
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#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start line: 9
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#CHECK-NEXT: Function start address: 0x400590
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#CHECK-NEXT: Line: 10
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#CHECK-NEXT: Column: 0
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@ -64,12 +70,14 @@ RUN: llvm-symbolizer -verbose -print-address -obj=%p/Inputs/discrim < %p/Inputs/
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#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start line: 4
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#CHECK-NEXT: Function start address: 0x4005b9
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#CHECK-NEXT: Line: 5
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#CHECK-NEXT: Column: 7
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#CHECK-NEXT: main
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#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start line: 9
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#CHECK-NEXT: Function start address: 0x400590
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#CHECK-NEXT: Line: 10
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#CHECK-NEXT: Column: 0
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#CHECK-NEXT: Discriminator: 2
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@ -79,6 +87,7 @@ RUN: llvm-symbolizer -verbose -print-address -obj=%p/Inputs/discrim < %p/Inputs/
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#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
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#CHECK-NEXT: Function start line: 4
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#CHECK-NEXT: Function start address: 0x4005b9
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#CHECK-NEXT: Line: 5
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#CHECK-NEXT: Column: 17
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#CHECK-NEXT: Discriminator: 2
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@ -86,6 +95,7 @@ RUN: llvm-symbolizer -verbose -print-address -obj=%p/Inputs/discrim < %p/Inputs/
|
|||
#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
|
||||
#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
|
||||
#CHECK-NEXT: Function start line: 9
|
||||
#CHECK-NEXT: Function start address: 0x400590
|
||||
#CHECK-NEXT: Line: 10
|
||||
#CHECK-NEXT: Column: 0
|
||||
#CHECK-NEXT: Discriminator: 2
|
||||
|
|
@ -95,6 +105,7 @@ RUN: llvm-symbolizer -verbose -print-address -obj=%p/Inputs/discrim < %p/Inputs/
|
|||
#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
|
||||
#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
|
||||
#CHECK-NEXT: Function start line: 4
|
||||
#CHECK-NEXT: Function start address: 0x4005b9
|
||||
#CHECK-NEXT: Line: 5
|
||||
#CHECK-NEXT: Column: 30
|
||||
#CHECK-NEXT: Discriminator: 4
|
||||
|
|
@ -102,6 +113,7 @@ RUN: llvm-symbolizer -verbose -print-address -obj=%p/Inputs/discrim < %p/Inputs/
|
|||
#CHECK-NEXT: Filename: /tmp{{[\\/]}}discrim.c
|
||||
#CHECK-NEXT: Function start filename: /tmp{{[\\/]}}discrim.c
|
||||
#CHECK-NEXT: Function start line: 9
|
||||
#CHECK-NEXT: Function start address: 0x400590
|
||||
#CHECK-NEXT: Line: 10
|
||||
#CHECK-NEXT: Column: 0
|
||||
#CHECK-NEXT: Discriminator: 2
|
||||
|
|
|
|||
Loading…
Reference in New Issue