Emit symbol type information for ELF/COFF targets

llvm-svn: 33256

1 files changed, 89 insertions, 0 deletions

diff --git a/llvm/lib/Target/X86/X86COFF.h b/llvm/lib/Target/X86/X86COFF.h
new file mode 100644
index 00000000000..1d7878b88b1
--- /dev/null
+++ b/llvm/lib/Target/X86/X86COFF.h
@@ -0,0 +1,89 @@
+//===--- X86COFF.h - Some definitions from COFF documentations ------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file just defines some symbols found in COFF documentation. They are
+// used to emit function type information for COFF targets (Cygwin/Mingw32).
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef X86COFF_H
+#define X86COFF_H
+
+namespace COFF 
+{
+enum StorageClass {
+  C_EFCN =   -1,  // physical end of function
+  C_NULL    = 0,
+  C_AUTO    = 1,  // external definition
+  C_EXT     = 2,  // external symbol
+  C_STAT    = 3,  // static
+  C_REG     = 4,  // register variable
+  C_EXTDEF  = 5,  // external definition
+  C_LABEL   = 6,  // label
+  C_ULABEL  = 7,  // undefined label
+  C_MOS     = 8,  // member of structure
+  C_ARG     = 9,  // function argument
+  C_STRTAG  = 10, // structure tag
+  C_MOU     = 11, // member of union
+  C_UNTAG   = 12, // union tag
+  C_TPDEF   = 13, // type definition
+  C_USTATIC = 14, // undefined static
+  C_ENTAG   = 15, // enumeration tag
+  C_MOE     = 16, // member of enumeration
+  C_REGPARM = 17, // register parameter
+  C_FIELD   = 18, // bit field
+
+  C_BLOCK  = 100, // ".bb" or ".eb"
+  C_FCN    = 101, // ".bf" or ".ef"
+  C_EOS    = 102, // end of structure
+  C_FILE   = 103, // file name
+  C_LINE   = 104, // dummy class for line number entry
+  C_ALIAS  = 105, // duplicate tag
+  C_HIDDEN = 106
+};
+
+enum SymbolType {
+  T_NULL   = 0,  // no type info
+  T_ARG    = 1,  // function argument (only used by compiler)
+  T_VOID   = 1,
+  T_CHAR   = 2,  // character
+  T_SHORT  = 3,  // short integer
+  T_INT    = 4,  // integer
+  T_LONG   = 5,  // long integer
+  T_FLOAT  = 6,  // floating point
+  T_DOUBLE = 7,  // double word
+  T_STRUCT = 8,  // structure
+  T_UNION  = 9,  // union
+  T_ENUM   = 10, // enumeration
+  T_MOE    = 11, // member of enumeration
+  T_UCHAR  = 12, // unsigned character
+  T_USHORT = 13, // unsigned short
+  T_UINT   = 14, // unsigned integer
+  T_ULONG  = 15  // unsigned long
+};
+
+enum SymbolDerivedType {
+  DT_NON = 0, // no derived type
+  DT_PTR = 1, // pointer
+  DT_FCN = 2, // function
+  DT_ARY = 3  // array
+};
+
+enum TypePacking {
+  N_BTMASK = 017,
+  N_TMASK = 060,
+  N_TMASK1 = 0300,
+  N_TMASK2 = 0360,
+  N_BTSHFT = 4,
+  N_TSHIFT = 2
+};
+
+}
+
+#endif // X86COFF_H