]> oss.titaniummirror.com Git - msp430-gcc.git/blobdiff - gcc/config/sh/netbsd-elf.h
Imported gcc-4.4.3
[msp430-gcc.git] / gcc / config / sh / netbsd-elf.h
diff --git a/gcc/config/sh/netbsd-elf.h b/gcc/config/sh/netbsd-elf.h
new file mode 100644 (file)
index 0000000..50bb2f2
--- /dev/null
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+/* Definitions for SH running NetBSD using ELF
+   Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+   Contributed by Wasabi Systems, Inc.
+
+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/>.  */
+
+/* Run-time Target Specification.  */
+#if TARGET_ENDIAN_DEFAULT == MASK_LITTLE_ENDIAN
+#define TARGET_VERSION_ENDIAN "le"
+#else
+#define TARGET_VERSION_ENDIAN ""
+#endif
+
+#if TARGET_CPU_DEFAULT & MASK_SH5
+#if TARGET_CPU_DEFAULT & MASK_SH_E
+#define TARGET_VERSION_CPU "sh5"
+#else
+#define TARGET_VERSION_CPU "sh64"
+#endif /* MASK_SH_E */
+#else
+#define TARGET_VERSION_CPU "sh"
+#endif /* MASK_SH5 */
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (NetBSD/%s%s ELF)",          \
+                                 TARGET_VERSION_CPU, TARGET_VERSION_ENDIAN)
+
+
+/* Extra specs needed for NetBSD SuperH ELF targets.  */
+
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS                                          \
+  { "netbsd_entry_point", NETBSD_ENTRY_POINT },
+
+
+#define TARGET_OS_CPP_BUILTINS()                                       \
+  do                                                                   \
+    {                                                                  \
+      NETBSD_OS_CPP_BUILTINS_ELF();                                    \
+      builtin_define ("__NO_LEADING_UNDERSCORES__");                   \
+    }                                                                  \
+  while (0)
+
+/* Provide a LINK_SPEC appropriate for a NetBSD/sh ELF target.
+   We use the SH_LINK_SPEC from sh/sh.h, and define the appropriate
+   SUBTARGET_LINK_SPEC that pulls in what we need from a generic
+   NetBSD ELF LINK_SPEC.  */
+
+/* LINK_EMUL_PREFIX from sh/elf.h */
+
+#undef SUBTARGET_LINK_EMUL_SUFFIX
+#define SUBTARGET_LINK_EMUL_SUFFIX "_nbsd"
+
+#undef SUBTARGET_LINK_SPEC
+#define SUBTARGET_LINK_SPEC NETBSD_LINK_SPEC_ELF
+
+#undef LINK_SPEC
+#define LINK_SPEC SH_LINK_SPEC
+
+#define NETBSD_ENTRY_POINT "__start"
+
+/* Provide a CPP_SPEC appropriate for NetBSD.  */
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC NETBSD_CPP_SPEC
+
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT \
+  (TARGET_CPU_DEFAULT | MASK_USERMODE | TARGET_ENDIAN_DEFAULT)
+
+/* Define because we use the label and we do not need them.  */
+#define NO_PROFILE_COUNTERS 1
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER(STREAM,LABELNO)                              \
+do                                                                     \
+  {                                                                    \
+    if (TARGET_SHMEDIA32 || TARGET_SHMEDIA64)                          \
+      {                                                                        \
+       /* FIXME */                                                     \
+       sorry ("unimplemented-shmedia profiling");                      \
+      }                                                                        \
+    else                                                               \
+      {                                                                        \
+        fprintf((STREAM), "\tmov.l\t%sLP%d,r1\n",                      \
+                LOCAL_LABEL_PREFIX, (LABELNO));                                \
+        fprintf((STREAM), "\tmova\t%sLP%dr,r0\n",                      \
+                LOCAL_LABEL_PREFIX, (LABELNO));                                \
+        fprintf((STREAM), "\tjmp\t@r1\n");                             \
+        fprintf((STREAM), "\tnop\n");                                  \
+        fprintf((STREAM), "\t.align\t2\n");                            \
+        fprintf((STREAM), "%sLP%d:\t.long\t__mcount\n",                        \
+                LOCAL_LABEL_PREFIX, (LABELNO));                                \
+        fprintf((STREAM), "%sLP%dr:\n", LOCAL_LABEL_PREFIX, (LABELNO));        \
+      }                                                                        \
+  }                                                                    \
+while (0)
+
+/* Since libgcc is compiled with -fpic for this target, we can't use
+   __sdivsi3_1 as the division strategy for -O0 and -Os.  */
+#undef SH_DIV_STRATEGY_DEFAULT
+#define SH_DIV_STRATEGY_DEFAULT SH_DIV_CALL2
+#undef SH_DIV_STR_FOR_SIZE
+#define SH_DIV_STR_FOR_SIZE "call2"