(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

5 files changed, 139 insertions, 0 deletions

diff --git a/sysdeps/arm/bits/endian.h b/sysdeps/arm/bits/endian.h
new file mode 100644
index 0000000000..5e54cc7534
--- /dev/null
+++ b/sysdeps/arm/bits/endian.h
@@ -0,0 +1,12 @@
+/* ARM is (usually) little-endian but with a big-endian FPU.  */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#ifdef __ARMEB__
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+#define __FLOAT_WORD_ORDER __BIG_ENDIAN
diff --git a/sysdeps/arm/bits/huge_val.h b/sysdeps/arm/bits/huge_val.h
new file mode 100644
index 0000000000..3339a0d01c
--- /dev/null
+++ b/sysdeps/arm/bits/huge_val.h
@@ -0,0 +1,56 @@
+/* `HUGE_VAL' constant for IEEE 754 machines (where it is infinity).
+   Used by <stdlib.h> and <math.h> functions for overflow.
+   ARM version.
+   Copyright (C) 1992, 95, 96, 97, 98, 99, 2000, 2004
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
+#endif
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity).  */
+
+#if __GNUC_PREREQ(3,3)
+# define HUGE_VAL  (__builtin_huge_val())
+#elif __GNUC_PREREQ(2,96)
+# define HUGE_VAL (__extension__ 0x1.0p2047)
+#elif defined __GNUC__
+
+# define HUGE_VAL \
+  (__extension__							      \
+   ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; })   \
+    { __l: 0x000000007ff00000ULL }).__d)
+
+#else /* not GCC */
+
+# include <endian.h>
+
+typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+#  define __HUGE_VAL_bytes	{ 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+#  define __HUGE_VAL_bytes	{ 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 }
+# endif
+
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+# define HUGE_VAL	(__huge_val.__d)
+
+#endif	/* GCC.  */
diff --git a/sysdeps/arm/bits/link.h b/sysdeps/arm/bits/link.h
new file mode 100644
index 0000000000..648976d7d2
--- /dev/null
+++ b/sysdeps/arm/bits/link.h
@@ -0,0 +1,4 @@
+struct link_map_machine
+  {
+    Elf32_Addr plt; /* Address of .plt */
+  };
diff --git a/sysdeps/arm/bits/setjmp.h b/sysdeps/arm/bits/setjmp.h
new file mode 100644
index 0000000000..e0a4657b47
--- /dev/null
+++ b/sysdeps/arm/bits/setjmp.h
@@ -0,0 +1,36 @@
+/* Copyright (C) 1997, 1998 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Define the machine-dependent type `jmp_buf'.  ARM version. */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+/* Jump buffer contains v1-v6, sl, fp, sp and pc.  Other registers are not
+   saved.  */
+typedef int __jmp_buf[10];
+#endif
+
+#define __JMP_BUF_SP		8
+
+/* Test if longjmp to JMPBUF would unwind the frame
+   containing a local variable at ADDRESS.  */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((void *) (address) < (void *) (jmpbuf[__JMP_BUF_SP]))
diff --git a/sysdeps/arm/bits/string.h b/sysdeps/arm/bits/string.h
new file mode 100644
index 0000000000..206f956dfd
--- /dev/null
+++ b/sysdeps/arm/bits/string.h
@@ -0,0 +1,31 @@
+/* Optimized, inlined string functions.  ARM version.
+   Copyright (C) 1998, 1999, 2000 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _STRING_H
+# error "Never use <bits/string.h> directly; include <string.h> instead."
+#endif
+
+/* We must defeat the generic optimized versions of these functions in
+   <bits/string2.h> since they don't work on the ARM.  This is because
+   the games they play with the __STRING2_COPY_ARR# structures fail
+   when structs are always 32-bit aligned.
+   XXX Should provide suitably optimal replacements.  */
+#define _HAVE_STRING_ARCH_strcpy 1
+#define _HAVE_STRING_ARCH_stpcpy 1
+#define _HAVE_STRING_ARCH_mempcpy 1