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author | Jim Laskey <jlaskey@mac.com> | 2005-12-16 22:45:29 +0000 |
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committer | Jim Laskey <jlaskey@mac.com> | 2005-12-16 22:45:29 +0000 |
commit | f5395cee6a24699a016b2e379cf4804b09ce5030 (patch) | |
tree | f3d1e7436810c4ed6e5bcbe66b60cb50ae866724 /include | |
parent | d9e0ba49a4cf288eee9b58857b92a89f5a141c4b (diff) | |
download | external_llvm-f5395cee6a24699a016b2e379cf4804b09ce5030.zip external_llvm-f5395cee6a24699a016b2e379cf4804b09ce5030.tar.gz external_llvm-f5395cee6a24699a016b2e379cf4804b09ce5030.tar.bz2 |
Added source file/line correspondence for dwarf (PowerPC only at this point.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24748 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r-- | include/llvm/CodeGen/MachineDebugInfo.h | 80 | ||||
-rw-r--r-- | include/llvm/CodeGen/MachineFunction.h | 10 | ||||
-rw-r--r-- | include/llvm/CodeGen/SelectionDAGNodes.h | 6 |
3 files changed, 96 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineDebugInfo.h b/include/llvm/CodeGen/MachineDebugInfo.h new file mode 100644 index 0000000..0dba586 --- /dev/null +++ b/include/llvm/CodeGen/MachineDebugInfo.h @@ -0,0 +1,80 @@ +//===-- llvm/CodeGen/MachineDebugInfo.h -------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by James M. Laskey and is distributed under +// the University of Illinois Open Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// Collect debug information for a module. This information should be in a +// neutral form that can be used by different debugging schemes. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CODEGEN_MACHINEDEBUGINFO_H +#define LLVM_CODEGEN_MACHINEDEBUGINFO_H + +#include <string> +#include <map> +#include <vector> + +namespace llvm { +//===----------------------------------------------------------------------===// +/// MachineDebugInfo - This class contains debug information specific to a +/// module. Queries can be made by different debugging schemes and reformated +/// for specific use. +/// +class MachineDebugInfo { +private: + // convenience types + typedef std::map<std::string, unsigned> StrIntMap; + typedef StrIntMap::iterator StrIntMapIter; + + StrIntMap SourceMap; // Map of source file path to id + unsigned SourceCount; // Number of source files (used to + // generate id) + +public: + // Ctor. + MachineDebugInfo() : SourceMap(), SourceCount(0) {} + + /// RecordSource - Register a source file with debug info. Returns an id. + /// + unsigned RecordSource(std::string fname, std::string dirname) { + // Compose a key + std::string path = dirname + "/" + fname; + // Check if the source file is already recorded + StrIntMapIter SMI = SourceMap.find(path); + // If already there return existing id + if (SMI != SourceMap.end()) return SMI->second; + // Bump up the count + ++SourceCount; + // Record the count + SourceMap[path] = SourceCount; + // Return id + return SourceCount; + } + + /// getSourceFiles - Return a vector of files. Vector index + 1 equals id. + /// + std::vector<std::string> getSourceFiles() { + std::vector<std::string> Sources(SourceCount); + + for (StrIntMapIter SMI = SourceMap.begin(), E = SourceMap.end(); SMI != E; + SMI++) { + unsigned Index = SMI->second - 1; + std::string Path = SMI->first; + Sources[Index] = Path; + } + return Sources; + } + +}; // End class MachineDebugInfo +//===----------------------------------------------------------------------===// + + + +} // End llvm namespace + +#endif diff --git a/include/llvm/CodeGen/MachineFunction.h b/include/llvm/CodeGen/MachineFunction.h index 8727793..05077fe 100644 --- a/include/llvm/CodeGen/MachineFunction.h +++ b/include/llvm/CodeGen/MachineFunction.h @@ -18,6 +18,7 @@ #ifndef LLVM_CODEGEN_MACHINEFUNCTION_H #define LLVM_CODEGEN_MACHINEFUNCTION_H +#include "llvm/CodeGen/MachineDebugInfo.h" #include "llvm/CodeGen/MachineBasicBlock.h" #include "llvm/Support/Annotation.h" @@ -112,6 +113,10 @@ class MachineFunction : private Annotation { /// stored in the second element. std::vector<std::pair<unsigned, unsigned> > LiveIns; std::vector<unsigned> LiveOuts; + + /// DebugInfo - Keep track of debug information for the function. + /// + MachineDebugInfo DebugInfo; public: MachineFunction(const Function *Fn, const TargetMachine &TM); @@ -212,6 +217,11 @@ public: const MachineBasicBlock *getLastBlock() const { return MBBNumbering.back(); } + + /// getDebugInfo - Returns the DebugInfo. + MachineDebugInfo &getDebugInfo() { + return DebugInfo; + } /// print - Print out the MachineFunction in a format suitable for debugging /// to the specified stream. diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index 10b9050..bf01910 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -352,6 +352,12 @@ namespace ISD { // as output. LOCATION, + // DEBUG_LOC - This node is used to represent source line information + // embedded in the code. It takes token chain as input, then a line number, + // then a column then a file id (provided by MachineDebugInfo. It produces + // a token chain as output. + DEBUG_LOC, + // BUILTIN_OP_END - This must be the last enum value in this list. BUILTIN_OP_END, }; |