[llvm-commits] [llvm] r80427 - in /llvm/trunk: include/llvm/CodeGen/AsmPrinter.h lib/CodeGen/AsmPrinter/AsmPrinter.cpp

[Bill Wendling]

Author: void
Date: Sat Aug 29 07:17:53 2009
New Revision: 80427

URL: http://llvm.org/viewvc/llvm-project?rev=80427&view=rev
Log:
Add a form of EOL which emits the text version of a DWARF format encoding. This
doesn't handle all values of the formatting. Those can be added as needed.

Modified:
    llvm/trunk/include/llvm/CodeGen/AsmPrinter.h
    llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp

Modified: llvm/trunk/include/llvm/CodeGen/AsmPrinter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/AsmPrinter.h?rev=80427&r1=80426&r2=80427&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/AsmPrinter.h (original)
+++ llvm/trunk/include/llvm/CodeGen/AsmPrinter.h Sat Aug 29 07:17:53 2009
@@ -268,7 +268,9 @@
     void EOL() const;
     void EOL(const std::string &Comment) const;
     void EOL(const char* Comment) const;
-    
+    void EOL(const std::string &Comment, unsigned Encoding) const;
+    void EOL(const char *Comment, unsigned Encoding) const;
+
     /// EmitULEB128Bytes - Emit an assembler byte data directive to compose an
     /// unsigned leb128 value.
     void EmitULEB128Bytes(unsigned Value) const;

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp?rev=80427&r1=80426&r2=80427&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp Sat Aug 29 07:17:53 2009
@@ -604,6 +604,56 @@
   O << '\n';
 }
 
+static const char *DecodeDWARFEncoding(unsigned Encoding) {
+  switch (Encoding) {
+  case dwarf::DW_EH_PE_absptr:
+    return "absptr";
+  case dwarf::DW_EH_PE_omit:
+    return "omit";
+  case dwarf::DW_EH_PE_pcrel:
+    return "pcrel";
+  case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata4:
+    return "pcrel udata4";
+  case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4:
+    return "pcrel sdata4";
+  case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8:
+    return "pcrel udata8";
+  case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8:
+    return "pcrel sdata8";
+  case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata4:
+    return "indirect pcrel udata4";
+  case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata4:
+    return "indirect pcrel sdata4";
+  case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata8:
+    return "indirect pcrel udata8";
+  case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata8:
+    return "indirect pcrel sdata8";
+  }
+
+  return 0;
+}
+
+void AsmPrinter::EOL(const std::string &Comment, unsigned Encoding) const {
+  if (VerboseAsm && !Comment.empty()) {
+    EOL(Comment.c_str(), Encoding);
+    return;
+  }
+  O << '\n';
+}
+
+void AsmPrinter::EOL(const char *Comment, unsigned Encoding) const {
+  if (VerboseAsm && *Comment) {
+    O.PadToColumn(MAI->getCommentColumn());
+    O << MAI->getCommentString()
+      << ' '
+      << Comment;
+
+    if (const char *EncStr = DecodeDWARFEncoding(Encoding))
+      O << " (" << EncStr << ')';
+  }
+  O << '\n';
+}
+
 /// EmitULEB128Bytes - Emit an assembler byte data directive to compose an
 /// unsigned leb128 value.
 void AsmPrinter::EmitULEB128Bytes(unsigned Value) const {