summaryrefslogtreecommitdiff
path: root/gcc/config/arm/linux-gas.h
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/config/arm/linux-gas.h')
-rw-r--r--gcc/config/arm/linux-gas.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/config/arm/linux-gas.h b/gcc/config/arm/linux-gas.h
new file mode 100644
index 000000000..9b6fcde2b
--- /dev/null
+++ b/gcc/config/arm/linux-gas.h
@@ -0,0 +1,56 @@
+/* Definitions of target machine for GNU compiler.
+ ARM Linux-based GNU systems version.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2004, 2007
+ Free Software Foundation, Inc.
+ Contributed by Russell King <rmk92@ecs.soton.ac.uk>.
+
+ 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/>. */
+
+/* This is how we tell the assembler that a symbol is weak.
+ GAS always supports weak symbols. */
+
+/* Unsigned chars produces much better code than signed. */
+#define DEFAULT_SIGNED_CHAR 0
+
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
+
+#undef SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
+/* Use the AAPCS type for wchar_t, or the previous Linux default for
+ non-AAPCS. */
+#undef WCHAR_TYPE
+#define WCHAR_TYPE (TARGET_AAPCS_BASED ? "unsigned int" : "long int")
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE BITS_PER_WORD
+
+/* Clear the instruction cache from `beg' to `end'. This makes an
+ inline system call to SYS_cacheflush. */
+#define CLEAR_INSN_CACHE(BEG, END) \
+{ \
+ register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \
+ register unsigned long _end __asm ("a2") = (unsigned long) (END); \
+ register unsigned long _flg __asm ("a3") = 0; \
+ __asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \
+ : "=r" (_beg) \
+ : "0" (_beg), "r" (_end), "r" (_flg)); \
+}