Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / vax / elf.h

diff --git a/gcc/config/vax/elf.h b/gcc/config/vax/elf.h
new file mode 100644 (file)
index 0000000..1efb1f0
--- /dev/null
+++ b/gcc/config/vax/elf.h
@@ -0,0 +1,92 @@
+/* Target definitions for GNU compiler for VAX using ELF
+   Copyright (C) 2002, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+   Contributed by Matt Thomas <matt@3am-software.com>
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#undef TARGET_ELF
+#define TARGET_ELF 1
+
+#undef REGISTER_PREFIX
+#undef REGISTER_NAMES
+#define REGISTER_PREFIX "%"
+#define REGISTER_NAMES \
+  { "%r0", "%r1",  "%r2",  "%r3", "%r4", "%r5", "%r6", "%r7", \
+    "%r8", "%r9", "%r10", "%r11", "%ap", "%fp", "%sp", "%pc", }
+
+#undef SIZE_TYPE
+#define SIZE_TYPE "long unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "long int"
+
+/* Profiling routine.  */
+#undef VAX_FUNCTION_PROFILER_NAME
+#define VAX_FUNCTION_PROFILER_NAME "__mcount"
+
+/*  Let's be re-entrant.  */
+#undef PCC_STATIC_STRUCT_RETURN
+
+/* Before the prologue, the top of the frame is below the argument
+   count pushed by the CALLS and before the start of the saved registers.  */
+#define INCOMING_FRAME_SP_OFFSET 0
+
+/* Offset from the frame pointer register value to the top of the stack.  */
+#define FRAME_POINTER_CFA_OFFSET(FNDECL) 0
+
+/* We use R2-R5 (call-clobbered) registers for exceptions.  */
+#define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 2 : INVALID_REGNUM)
+
+/* Place the top of the stack for the DWARF2 EH stackadj value.  */
+#define EH_RETURN_STACKADJ_RTX                                         \
+  gen_rtx_MEM (SImode,                                                 \
+              plus_constant (gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM),\
+                             -4))
+
+/* Simple store the return handler into the call frame.  */
+#define EH_RETURN_HANDLER_RTX                                          \
+  gen_rtx_MEM (Pmode,                                                  \
+              plus_constant (gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM),\
+                             16))
+
+
+/* Reserve the top of the stack for exception handler stackadj value.  */
+#undef STARTING_FRAME_OFFSET
+#define STARTING_FRAME_OFFSET -4
+
+/* The VAX wants no space between the case instruction and the jump table.  */
+#undef  ASM_OUTPUT_BEFORE_CASE_LABEL
+#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE)
+
+#undef OVERRIDE_OPTIONS
+#define OVERRIDE_OPTIONS                               \
+  do                                                   \
+    {                                                  \
+      /* Do generic VAX overrides.  */                 \
+      override_options ();                             \
+                                                       \
+      /* Turn off function CSE if we're doing PIC.  */ \
+      if (flag_pic)                                    \
+       flag_no_function_cse = 1;                       \
+    }                                                  \
+  while (0)
+
+/* VAX ELF is always gas; override the generic VAX ASM_SPEC.  */
+
+#undef ASM_SPEC
+#define ASM_SPEC ""
+