[llvm] r230182 - [llvm-pdbdump] Simplify options and output.

Zachary Turner zturner at google.com
Sun Feb 22 13:45:39 PST 2015


Author: zturner
Date: Sun Feb 22 15:45:38 2015
New Revision: 230182

URL: http://llvm.org/viewvc/llvm-project?rev=230182&view=rev
Log:
[llvm-pdbdump] Simplify options and output.

This removes a wealth of options, and instead now only provides
three options.  -symbols, -types, and -compilands.  This greatly
simplifies use of the tool, and makes it easier to understand
what you're going to see when you run the tool.

Modified:
    llvm/trunk/lib/DebugInfo/PDB/PDBSymbolExe.cpp
    llvm/trunk/test/DebugInfo/PDB/pdbdump-flags.test
    llvm/trunk/test/DebugInfo/PDB/pdbdump-symbol-format.test
    llvm/trunk/tools/llvm-pdbdump/llvm-pdbdump.cpp

Modified: llvm/trunk/lib/DebugInfo/PDB/PDBSymbolExe.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/PDB/PDBSymbolExe.cpp?rev=230182&r1=230181&r2=230182&view=diff
==============================================================================
--- llvm/trunk/lib/DebugInfo/PDB/PDBSymbolExe.cpp (original)
+++ llvm/trunk/lib/DebugInfo/PDB/PDBSymbolExe.cpp Sun Feb 22 15:45:38 2015
@@ -53,6 +53,7 @@ void PDBSymbolExe::dump(raw_ostream &OS,
   OS << "\n";
 
   if (Flags & PDB_DF_Children) {
+    OS << stream_indent(Indent + 2) << "Dumping types\n";
     if (Flags & PDB_DF_Hidden) {
       // For some reason, for each SymTag T, this dumps more items of type T
       // than are dumped by calling dumpChildren(T).  In other words, there are

Modified: llvm/trunk/test/DebugInfo/PDB/pdbdump-flags.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/PDB/pdbdump-flags.test?rev=230182&r1=230181&r2=230182&view=diff
==============================================================================
--- llvm/trunk/test/DebugInfo/PDB/pdbdump-flags.test (original)
+++ llvm/trunk/test/DebugInfo/PDB/pdbdump-flags.test Sun Feb 22 15:45:38 2015
@@ -1,14 +1,32 @@
-; RUN: llvm-pdbdump %p/Inputs/empty.pdb | FileCheck %s -check-prefix SUMMARY_CHECK
-; RUN: llvm-pdbdump -functions %p/Inputs/empty.pdb | FileCheck %s -check-prefix MAIN_CHECK
+; RUN: llvm-pdbdump %p/Inputs/empty.pdb | FileCheck %s -check-prefix=NO_ARGS
+; RUN: llvm-pdbdump -types %p/Inputs/empty.pdb | FileCheck %s -check-prefix=TYPES
+; RUN: llvm-pdbdump -compilands %p/Inputs/empty.pdb | FileCheck %s -check-prefix=COMPILANDS
+; RUN: llvm-pdbdump -types -compilands %p/Inputs/empty.pdb | FileCheck %s -check-prefix=BOTH
 
-; Check PDB file summary information
-; SUMMARY_CHECK: empty.pdb
-; SUMMARY_CHECK: Guid: {0B355641-86A0-A249-896F-9988FAE52FF0}
-; SUMMARY_CHECK: Attributes: HasPrivateSymbols
+; Check that neither symbols nor compilands are dumped when neither argument specified.
+; NO_ARGS: empty.pdb
+; NO_ARGS: Guid: {0B355641-86A0-A249-896F-9988FAE52FF0}
+; NO_ARGS: Attributes: HasPrivateSymbols
+; NO_ARGS-NOT: Dumping compilands
+; NO_ARGS-NOT: Dumping symbols
 
-; Check that running with only -compilands doesn't include unwanted symbol types
-; MAIN_CHECK: (EBP) int32_t __cdecl main()
-; MAIN_CHECK-NOT: vtbl:
-; MAIN_CHECK-NOT: enum:
-; MAIN_CHECK-NOT: class:
-; MAIN_CHECK-NOT: data:
+; Check that only symbols are dumped when only -types is specified.
+; TYPES: empty.pdb
+; TYPES: Guid: {0B355641-86A0-A249-896F-9988FAE52FF0}
+; TYPES: Attributes: HasPrivateSymbols
+; TYPES: Dumping types
+; TYPES-NOT: Dumping compilands
+
+; Check that only compilands are dumped when only -compilands is specified.
+; COMPILANDS: empty.pdb
+; COMPILANDS: Guid: {0B355641-86A0-A249-896F-9988FAE52FF0}
+; COMPILANDS: Attributes: HasPrivateSymbols
+; COMPILANDS-NOT: Dumping types
+; COMPILANDS: Dumping compilands
+
+; Check that types and compilands are dumped when both arguments are specified.
+; BOTH: empty.pdb
+; BOTH: Guid: {0B355641-86A0-A249-896F-9988FAE52FF0}
+; BOTH: Attributes: HasPrivateSymbols
+; BOTH: Dumping types
+; BOTH: Dumping compilands

Modified: llvm/trunk/test/DebugInfo/PDB/pdbdump-symbol-format.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/PDB/pdbdump-symbol-format.test?rev=230182&r1=230181&r2=230182&view=diff
==============================================================================
--- llvm/trunk/test/DebugInfo/PDB/pdbdump-symbol-format.test (original)
+++ llvm/trunk/test/DebugInfo/PDB/pdbdump-symbol-format.test Sun Feb 22 15:45:38 2015
@@ -1,14 +1,27 @@
-; RUN: llvm-pdbdump -all -hidden -group-by=compiland %p/Inputs/symbolformat.pdb | FileCheck --check-prefix=FORMAT %s
+; RUN: llvm-pdbdump -symbols %p/Inputs/symbolformat.pdb | FileCheck --check-prefix=SYM_FORMAT %s
+; RUN: llvm-pdbdump -types %p/Inputs/symbolformat.pdb | FileCheck --check-prefix=TYPES_FORMAT %s
 
-; The format here is func [0x<rva_start>+<prologue_length> - 0x<rva_end>-<epilogue_length>]
-; FORMAT: test\DebugInfo\PDB\Inputs\symbolformat-fpo.obj
-; FORMAT-DAG: func [0x001130+0 - 0x001137-1] (VFrame) uint32_t __cdecl fpo_func(uint32_t)
-; FORMAT: d:\src\llvm\test\DebugInfo\PDB\Inputs\symbolformat.obj
-; FORMAT-DAG: func [0x001060+3 - 0x001067-2] (EBP) int32_t __cdecl _purecall()
-; FORMAT-DAG: func [0x001070+6 - 0x001099-4] (EBP) int32_t __cdecl main(int32_t, char**)
-; FORMAT-DAG: func [0x0010b0+7 - 0x0010c7-4] (EBP) void __thiscall A::A()
-; FORMAT-DAG: func [0x0010d0+7 - 0x0010ef-4] (EBP) void __thiscall B::B()
-; FORMAT-DAG: thunk [0x000010f6 - 0x000010fa] (Pcode) B::`vcall'{0}'
-; FORMAT-DAG: func [0x001100+7 - 0x00110b-4] (EBP) virtual void __thiscall B::PureFunc()
-; FORMAT-DAG: func [0x001110+7 - 0x00111b-4] (EBP) void __thiscall A::RegularFunc()
-; FORMAT-DAG: func [0x001120+7 - 0x00112b-4] (EBP) virtual void __thiscall A::VirtualFunc()
+; The format is func [0x<rva_start>+<prologue_length> - 0x<rva_end>-<epilogue_length>]
+; SYM_FORMAT: symbolformat-fpo.obj
+; SYM_FORMAT-DAG: func [0x001130+0 - 0x001137-1] (VFrame) uint32_t __cdecl fpo_func(uint32_t)
+; SYM_FORMAT: symbolformat.obj
+; SYM_FORMAT-DAG: func [0x001060+3 - 0x001067-2] (EBP) int32_t __cdecl _purecall()
+; SYM_FORMAT-DAG: func [0x001070+6 - 0x001099-4] (EBP) int32_t __cdecl main(int32_t, char**)
+; SYM_FORMAT-DAG: func [0x0010b0+7 - 0x0010c7-4] (EBP) void __thiscall A::A()
+; SYM_FORMAT-DAG: func [0x0010d0+7 - 0x0010ef-4] (EBP) void __thiscall B::B()
+; SYM_FORMAT-DAG: thunk [0x000010f6 - 0x000010fa] (Pcode) B::`vcall'{0}'
+; SYM_FORMAT-DAG: func [0x001100+7 - 0x00110b-4] (EBP) virtual void __thiscall B::PureFunc()
+; SYM_FORMAT-DAG: func [0x001110+7 - 0x00111b-4] (EBP) void __thiscall A::RegularFunc()
+; SYM_FORMAT-DAG: func [0x001120+7 - 0x00112b-4] (EBP) virtual void __thiscall A::VirtualFunc()
+
+; TYPES_FORMAT: Function Signatures
+; TYPES_FORMAT-DAG: int32_t __cdecl ()
+; TYPES_FORMAT-DAG: int32_t __cdecl (int32_t, char**)
+; TYPES_FORMAT-DAG: void __thiscall (A::*)()
+; TYPES_FORMAT-DAG: void __thiscall (B::*)()
+; TYPES_FORMAT-DAG: void __thiscall (B::*)(B&)
+; TYPES_FORMAT-DAG: void __thiscall (B::*)()
+; TYPES_FORMAT-DAG: B& __thiscall (B::*)(B&)
+; TYPES_FORMAT-DAG: void __thiscall (A::*)(A&)
+; TYPES_FORMAT-DAG: void __thiscall (A::*)()
+; TYPES_FORMAT-DAG: A& __thiscall (A::*)(A&)

Modified: llvm/trunk/tools/llvm-pdbdump/llvm-pdbdump.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-pdbdump/llvm-pdbdump.cpp?rev=230182&r1=230181&r2=230182&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-pdbdump/llvm-pdbdump.cpp (original)
+++ llvm/trunk/tools/llvm-pdbdump/llvm-pdbdump.cpp Sun Feb 22 15:45:38 2015
@@ -45,71 +45,10 @@ cl::list<std::string> InputFilenames(cl:
                                      cl::desc("<input PDB files>"),
                                      cl::OneOrMore);
 
-cl::opt<bool> DumpHidden(
-    "hidden",
-    cl::desc("Attempt to find hidden symbols.  This can find additional\n"
-             "symbols that cannot be found otherwise.  For example, vtables\n"
-             "can only be found with an exhaustive search such as this.  Be\n"
-             "warned that the performance can be prohibitive on large PDB "
-             "files."));
-
-cl::opt<bool> DumpAll(
-    "all",
-    cl::desc("Specifies all other options except -hidden and -group-by"));
-cl::opt<bool> DumpObjFiles("compilands", cl::desc("Display object files"));
-cl::opt<bool> DumpFuncs("functions", cl::desc("Display function information"));
-cl::opt<bool> DumpData(
-    "data",
-    cl::desc("Display global, class, and constant variable information."));
-cl::opt<bool> DumpLabels("labels", cl::desc("Display labels"));
-cl::opt<bool> DumpPublic("public", cl::desc("Display public symbols"));
-cl::opt<bool> DumpClasses("classes", cl::desc("Display class type information"));
-cl::opt<bool> DumpEnums("enums", cl::desc("Display enum information"));
-cl::opt<bool> DumpFuncsigs("funcsigs",
-                           cl::desc("Display unique function signatures"));
-cl::opt<bool> DumpTypedefs("typedefs", cl::desc("Display typedefs"));
-cl::opt<bool> DumpThunks("thunks", cl::desc("Display thunks"));
-cl::opt<bool> DumpVtables(
-    "vtables",
-    cl::desc("Display virtual function tables (only with --exhaustive)"));
-
-static cl::opt<PDB_DumpType> DumpMode(
-    "group-by", cl::init(PDB_DumpType::ByType), cl::desc("Dump mode:"),
-    cl::values(
-        clEnumValN(PDB_DumpType::ByType, "type",
-                   "(Default) Display symbols grouped by type"),
-        clEnumValN(PDB_DumpType::ByObjFile, "compiland",
-                   "Display symbols grouped under their containing object "
-                   "file."),
-        clEnumValN(PDB_DumpType::Both, "both",
-                   "Display symbols grouped by type, and then by object file."),
-        clEnumValEnd));
-}
-
-#define SET_DUMP_FLAG_FROM_OPT(Var, Flag, Opt) \
-  if (opts::Opt) \
-    Var |= Flag;
-
-PDB_DumpFlags CalculateDumpFlags() {
-  PDB_DumpFlags Flags = PDB_DF_None;
-
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_Hidden, DumpHidden)
-
-  if (opts::DumpAll)
-    return Flags | PDB_DF_All;
-
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_ObjFiles, DumpObjFiles)
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_Functions, DumpFuncs)
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_Data, DumpData)
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_Labels, DumpLabels)
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_PublicSyms, DumpPublic)
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_Classes, DumpClasses)
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_Enums, DumpEnums)
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_Funcsigs, DumpFuncsigs)
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_Typedefs, DumpTypedefs)
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_Thunks, DumpThunks)
-  SET_DUMP_FLAG_FROM_OPT(Flags, PDB_DF_VTables, DumpVtables)
-  return Flags;
+cl::opt<bool> DumpCompilands("compilands", cl::desc("Display compilands"));
+cl::opt<bool> DumpSymbols("symbols",
+                          cl::desc("Display symbols (implies --compilands"));
+cl::opt<bool> DumpTypes("types", cl::desc("Display types"));
 }
 
 static void dumpInput(StringRef Path) {
@@ -120,19 +59,24 @@ static void dumpInput(StringRef Path) {
     outs() << " is available for your platform.";
     return;
   }
-  PDB_DumpFlags Flags = CalculateDumpFlags();
 
-  if (opts::DumpMode != opts::PDB_DumpType::ByObjFile)
-    Flags |= PDB_DF_Children;
   auto GlobalScope(Session->getGlobalScope());
+  PDB_DumpFlags Flags = PDB_DF_None;
+  if (opts::DumpTypes)
+    Flags |= PDB_DF_Children | PDB_DF_Enums | PDB_DF_Funcsigs |
+             PDB_DF_Typedefs | PDB_DF_VTables;
   GlobalScope->dump(outs(), 0, PDB_DumpLevel::Normal, Flags);
   outs() << "\n";
 
-  if (opts::DumpMode != opts::PDB_DumpType::ByType) {
+  if (opts::DumpSymbols || opts::DumpCompilands) {
+    outs() << "Dumping compilands\n";
     auto Compilands = GlobalScope->findAllChildren<PDBSymbolCompiland>();
+    Flags = PDB_DF_None;
+    if (opts::DumpSymbols)
+      Flags |= PDB_DF_Children | PDB_DF_Data | PDB_DF_Functions |
+               PDB_DF_Thunks | PDB_DF_Labels;
     while (auto Compiland = Compilands->getNext()) {
-      Compiland->dump(outs(), 0, PDB_DumpLevel::Detailed,
-                      Flags | PDB_DF_Children);
+      Compiland->dump(outs(), 2, PDB_DumpLevel::Detailed, Flags);
       outs() << "\n";
     }
   }





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