[llvm-commits] [llvm] r169653 - in /llvm/trunk: include/llvm-c/Disassembler.h lib/MC/MCDisassembler/Disassembler.cpp tools/lto/lto.exports

Jim Grosbach grosbach at apple.com
Fri Dec 7 15:53:28 PST 2012


Author: grosbach
Date: Fri Dec  7 17:53:27 2012
New Revision: 169653

URL: http://llvm.org/viewvc/llvm-project?rev=169653&view=rev
Log:
Add C API for specifying CPU to the disassembler.

It was a nasty oversight that we didn't include this when we added this
API in the first place. Blech.

rdar://12839439

Modified:
    llvm/trunk/include/llvm-c/Disassembler.h
    llvm/trunk/lib/MC/MCDisassembler/Disassembler.cpp
    llvm/trunk/tools/lto/lto.exports

Modified: llvm/trunk/include/llvm-c/Disassembler.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm-c/Disassembler.h?rev=169653&r1=169652&r2=169653&view=diff
==============================================================================
--- llvm/trunk/include/llvm-c/Disassembler.h (original)
+++ llvm/trunk/include/llvm-c/Disassembler.h Fri Dec  7 17:53:27 2012
@@ -139,13 +139,26 @@
  * by passing a block of information in the DisInfo parameter and specifying the
  * TagType and callback functions as described above.  These can all be passed
  * as NULL.  If successful, this returns a disassembler context.  If not, it
- * returns NULL.
+ * returns NULL. This function is equivalent to calling LLVMCreateDisasmCPU()
+ * with an empty CPU name.
  */
 LLVMDisasmContextRef LLVMCreateDisasm(const char *TripleName, void *DisInfo,
                                       int TagType, LLVMOpInfoCallback GetOpInfo,
                                       LLVMSymbolLookupCallback SymbolLookUp);
 
 /**
+ * Create a disassembler for the TripleName and a specific CPU.  Symbolic
+ * disassembly is supported by passing a block of information in the DisInfo
+ * parameter and specifying the TagType and callback functions as described
+ * above.  These can all be passed * as NULL.  If successful, this returns a
+ * disassembler context.  If not, it returns NULL.
+ */
+LLVMDisasmContextRef LLVMCreateDisasmCPU(const char *Triple, const char *CPU,
+                                         void *DisInfo, int TagType,
+                                         LLVMOpInfoCallback GetOpInfo,
+                                         LLVMSymbolLookupCallback SymbolLookUp);
+
+/**
  * Set the disassembler's options.  Returns 1 if it can set the Options and 0
  * otherwise.
  */

Modified: llvm/trunk/lib/MC/MCDisassembler/Disassembler.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCDisassembler/Disassembler.cpp?rev=169653&r1=169652&r2=169653&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCDisassembler/Disassembler.cpp (original)
+++ llvm/trunk/lib/MC/MCDisassembler/Disassembler.cpp Fri Dec  7 17:53:27 2012
@@ -33,29 +33,29 @@
 // functions can all be passed as NULL.  If successful, this returns a
 // disassembler context.  If not, it returns NULL.
 //
-LLVMDisasmContextRef LLVMCreateDisasm(const char *TripleName, void *DisInfo,
-                                      int TagType, LLVMOpInfoCallback GetOpInfo,
-                                      LLVMSymbolLookupCallback SymbolLookUp) {
+LLVMDisasmContextRef LLVMCreateDisasmCPU(const char *Triple, const char *CPU,
+                                         void *DisInfo, int TagType,
+                                         LLVMOpInfoCallback GetOpInfo,
+                                         LLVMSymbolLookupCallback SymbolLookUp){
   // Get the target.
   std::string Error;
-  const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);
+  const Target *TheTarget = TargetRegistry::lookupTarget(Triple, Error);
   assert(TheTarget && "Unable to create target!");
 
   // Get the assembler info needed to setup the MCContext.
-  const MCAsmInfo *MAI = TheTarget->createMCAsmInfo(TripleName);
+  const MCAsmInfo *MAI = TheTarget->createMCAsmInfo(Triple);
   assert(MAI && "Unable to create target asm info!");
 
   const MCInstrInfo *MII = TheTarget->createMCInstrInfo();
   assert(MII && "Unable to create target instruction info!");
 
-  const MCRegisterInfo *MRI = TheTarget->createMCRegInfo(TripleName);
+  const MCRegisterInfo *MRI = TheTarget->createMCRegInfo(Triple);
   assert(MRI && "Unable to create target register info!");
 
   // Package up features to be passed to target/subtarget
   std::string FeaturesStr;
-  std::string CPU;
 
-  const MCSubtargetInfo *STI = TheTarget->createMCSubtargetInfo(TripleName, CPU,
+  const MCSubtargetInfo *STI = TheTarget->createMCSubtargetInfo(Triple, CPU,
                                                                 FeaturesStr);
   assert(STI && "Unable to create subtarget info!");
 
@@ -74,7 +74,7 @@
                                                      *MAI, *MII, *MRI, *STI);
   assert(IP && "Unable to create instruction printer!");
 
-  LLVMDisasmContext *DC = new LLVMDisasmContext(TripleName, DisInfo, TagType,
+  LLVMDisasmContext *DC = new LLVMDisasmContext(Triple, DisInfo, TagType,
                                                 GetOpInfo, SymbolLookUp,
                                                 TheTarget, MAI, MRI,
                                                 STI, MII, Ctx, DisAsm, IP);
@@ -83,6 +83,13 @@
   return DC;
 }
 
+LLVMDisasmContextRef LLVMCreateDisasm(const char *Triple, void *DisInfo,
+                                      int TagType, LLVMOpInfoCallback GetOpInfo,
+                                      LLVMSymbolLookupCallback SymbolLookUp) {
+  return LLVMCreateDisasmCPU(Triple, "", DisInfo, TagType, GetOpInfo,
+                             SymbolLookUp);
+}
+
 //
 // LLVMDisasmDispose() disposes of the disassembler specified by the context.
 //

Modified: llvm/trunk/tools/lto/lto.exports
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/lto/lto.exports?rev=169653&r1=169652&r2=169653&view=diff
==============================================================================
--- llvm/trunk/tools/lto/lto.exports (original)
+++ llvm/trunk/tools/lto/lto.exports Fri Dec  7 17:53:27 2012
@@ -29,6 +29,7 @@
 lto_codegen_set_cpu
 lto_codegen_compile_to_file
 LLVMCreateDisasm
+LLVMCreateDisasmCPU
 LLVMDisasmDispose
 LLVMDisasmInstruction
 LLVMSetDisasmOptions





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