x86: Tidy ffi_abi

The x86_64 unix port only handles one ABI; don't define all of the
other symbols.  The UNIX64 symbol retains the same value.

The i386 ports ought to have the same symbols, even if we can't yet
unify the values without incrementing the libffi soname.

diff --git a/src/x86/ffi.c b/src/x86/ffi.c
index c387fb5..90e3f79 100644 (file)
--- a/src/x86/ffi.c
+++ b/src/x86/ffi.c
@@ -260,7 +260,7 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
     }
 
 #ifndef X86_WIN32
-  if (cif->abi == FFI_SYSV || cif->abi == FFI_UNIX64)
+  if (cif->abi == FFI_SYSV)
     cif->bytes = (cif->bytes + 15) & ~0xF;
 #endif
 

diff --git a/src/x86/ffitarget.h b/src/x86/ffitarget.h
index 8c52573..a4c9573 100644 (file)
--- a/src/x86/ffitarget.h
+++ b/src/x86/ffitarget.h
@@ -76,44 +76,44 @@ typedef signed long            ffi_sarg;
 #endif
 
 typedef enum ffi_abi {
+#if defined(X86_WIN64)
   FFI_FIRST_ABI = 0,
-
-  /* ---- Intel x86 Win32 ---------- */
-#ifdef X86_WIN32
-  FFI_SYSV,
-  FFI_STDCALL,
-  FFI_THISCALL,
-  FFI_FASTCALL,
-  FFI_MS_CDECL,
-  FFI_PASCAL,
-  FFI_REGISTER,
-  FFI_LAST_ABI,
-#ifdef _MSC_VER
-  FFI_DEFAULT_ABI = FFI_MS_CDECL
-#else
-  FFI_DEFAULT_ABI = FFI_SYSV
-#endif
-
-#elif defined(X86_WIN64)
   FFI_WIN64,
   FFI_LAST_ABI,
   FFI_DEFAULT_ABI = FFI_WIN64
 
-#else
-  /* ---- Intel x86 and AMD x86-64 - */
-  FFI_SYSV,
-  FFI_UNIX64,   /* Unix variants all use the same ABI for x86-64  */
-  FFI_THISCALL,
-  FFI_FASTCALL,
-  FFI_STDCALL,
-  FFI_PASCAL,
-  FFI_REGISTER,
+#elif defined(X86_64) || (defined (__x86_64__) && defined (X86_DARWIN))
+  FFI_FIRST_ABI = 1,
+  FFI_UNIX64,
   FFI_LAST_ABI,
-#if defined(__i386__) || defined(__i386)
+  FFI_DEFAULT_ABI = FFI_UNIX64
+
+#elif defined(X86_WIN32)
+  FFI_FIRST_ABI = 0,
+  FFI_SYSV      = 1,
+  FFI_STDCALL   = 2,
+  FFI_THISCALL  = 3,
+  FFI_FASTCALL  = 4,
+  FFI_MS_CDECL  = 5,
+  FFI_PASCAL    = 6,
+  FFI_REGISTER  = 7,
+  FFI_LAST_ABI,
+# ifdef _MSC_VER
+  FFI_DEFAULT_ABI = FFI_MS_CDECL
+# else
   FFI_DEFAULT_ABI = FFI_SYSV
+# endif
 #else
-  FFI_DEFAULT_ABI = FFI_UNIX64
-#endif
+  FFI_FIRST_ABI = 0,
+  FFI_SYSV      = 1,
+  FFI_THISCALL  = 3,
+  FFI_FASTCALL  = 4,
+  FFI_STDCALL   = 5,
+  FFI_PASCAL    = 6,
+  FFI_REGISTER  = 7,
+  FFI_MS_CDECL  = 8,
+  FFI_LAST_ABI,
+  FFI_DEFAULT_ABI = FFI_SYSV
 #endif
 } ffi_abi;
 #endif