1 files changed, 69 insertions, 0 deletions
diff --git a/sysdeps/arm/nacl/sysdep.h b/sysdeps/arm/nacl/sysdep.h
new file mode 100644
index 0000000000..951df3215d
--- /dev/null
+++ b/sysdeps/arm/nacl/sysdep.h
@@ -0,0 +1,69 @@
+/* Assembler macros for ARM/NaCl.
+   Copyright (C) 2015 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _ARM_NACL_SYSDEP_H
+#define _ARM_NACL_SYSDEP_H	1
+
+#ifdef __ASSEMBLER__
+
+# ifndef NO_THUMB
+#  define NO_THUMB
+# endif
+# define ARM_SFI_MACROS		1
+
+/* The compiler driver primes the assembler with a standard set of
+   macros that includes sfi_breg and sfi_sp.  The sfi_pld macro is
+   redundant with sfi_breg, but libc code uses it so as not to run
+   afoul of the assembler's parsing bug in versions prior to 2.23.2.
+   NaCl never uses an assembler that has this bug.  */
+
+.macro sfi_pld basereg, offset=#0
+	sfi_breg \basereg, pld [\basereg, \offset]
+.endm
+
+#endif
+
+#include <sysdeps/arm/sysdep.h>
+
+#ifdef  __ASSEMBLER__
+
+# undef eabi_fnstart
+# define eabi_fnstart
+# undef eabi_fnend
+# define eabi_fnend
+# undef eabi_save
+# define eabi_save(...)
+# undef eabi_cantunwind
+# define eabi_cantunwind
+# undef eabi_pad
+# define eabi_pad(n)
+
+/* NaCl has its own special way of getting the thread pointer.  */
+# undef	GET_TLS
+# define GET_TLS(tmp)		ldr r0, [r9]
+
+/* Rather than macroizing the code any more, we can just define a few
+   mnemonics as macros here.  */
+# define bl			sfi_bl
+# define bx			sfi_bx
+# define blx			sfi_blx
+# define bxeq			sfi_bxeq /* Only condition now in use.  */
+
+#endif  /* __ASSEMBLER__ */
+
+#endif  /* sysdep.h */