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-rw-r--r--gcc/config/arm/linux-gas.h68
1 files changed, 61 insertions, 7 deletions
diff --git a/gcc/config/arm/linux-gas.h b/gcc/config/arm/linux-gas.h
index 67f5c6f0503..72567f39158 100644
--- a/gcc/config/arm/linux-gas.h
+++ b/gcc/config/arm/linux-gas.h
@@ -1,5 +1,6 @@
-/* Definitions of target machine for GNU compiler. ARM Linux version.
- Copyright (C) 1997 Free Software Foundation, Inc.
+/* Definitions of target machine for GNU compiler.
+ ARM Linux-based GNU systems version.
+ Copyright (C) 1997, 1998 Free Software Foundation, Inc.
Contributed by Russell King <rmk92@ecs.soton.ac.uk>.
This file is part of GNU CC.
@@ -19,11 +20,6 @@ along with this program; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-/* Limit the length of a stabs entry (for the broken Acorn assembler) */
-#define DBX_CONTIN_LENGTH 80
-
-#include "arm/linux.h"
-
/*
* We are using GAS, so stabs should work.
*/
@@ -31,3 +27,61 @@ Boston, MA 02111-1307, USA. */
#ifndef DBX_DEBUGGING_INFO
#define DBX_DEBUGGING_INFO 1
#endif
+
+/*
+ * This is how we tell the assembler that a symbol is weak. GAS always
+ * supports weak symbols.
+ */
+
+#define ASM_WEAKEN_LABEL(FILE,NAME) \
+ do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
+ fputc ('\n', FILE); } while (0)
+
+/* This is used in ASM_FILE_START */
+#undef ARM_OS_NAME
+#define ARM_OS_NAME "Linux"
+
+/* 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} %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__}"
+
+#undef SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "long int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE BITS_PER_WORD
+
+#if 0 /* not yet */
+
+/* Clear the instruction cache from `beg' to `end'. This makes an
+ inline system call to SYS_cacheflush. The arguments are as
+ follows:
+
+ cacheflush (start, end, flags)
+
+*/
+
+#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 0x9000b8"); \
+}
+
+#endif
+
+/* If cross-compiling, don't require stdio.h etc to build libgcc.a. */
+#ifdef CROSS_COMPILE
+#ifndef inhibit_libc
+#define inhibit_libc
+#endif
+#endif