Patch by Joseph S. Myers to add support for ARM EABI

extra/Configs/Config.arm

@@ -24,6 +24,16 @@ config ARCH_CFLAGS
 config LIBGCC_CFLAGS
 	string
 
+config CONFIG_ARM_EABI
+	bool "Use ARM EABI"
+	default n
+	help
+	  If you choose "Y" here, functions and constants required by the
+	  ARM EABI will be built into the library.  You should choose "Y"
+	  if your compiler uses the ARM EABI, in which case you will also
+	  need a kernel supporting the EABI system call interface, or "N"
+	  for a compiler using the old Linux ABI.
+
 choice
 	prompt "Target Processor Type"
 	default CONFIG_GENERIC_ARM

libc/misc/assert/__assert.c

@@ -42,6 +42,7 @@ libc_hidden_proto(stderr)
 #include <assert.h>
 #undef assert
 
+libc_hidden_proto(__assert)
 
 #define ASSERT_SHOW_PROGNAME 1
 
@@ -68,3 +69,5 @@ void attribute_noreturn __assert(const char *assertion, const char * filename,
 	}
 	abort();
 }
+
+libc_hidden_def(__assert)

libc/misc/locale/locale.c

@@ -305,6 +305,8 @@ char *setlocale(int category, const char *locale)
  * placement of the fields in the struct.  If necessary, we could ensure
  * this usings an array of offsets but at some size cost. */
 
+libc_hidden_proto(localeconv)
+
 #ifdef __LOCALE_C_ONLY
 
 link_warning(localeconv,"REMINDER: The 'localeconv' function is hardwired for C/POSIX locale only.")
@@ -358,6 +360,8 @@ struct lconv *localeconv(void)
 
 #endif /* __LOCALE_C_ONLY */
 
+libc_hidden_def(localeconv)
+
 #endif
 /**********************************************************************/
 #if defined(L__locale_init) && !defined(__LOCALE_C_ONLY)

libc/stdlib/atexit.c

@@ -157,6 +157,7 @@ int on_exit(oefuncp func, void *arg)
 #endif
 
 #ifdef L___cxa_atexit
+libc_hidden_proto(__cxa_atexit)
 extern int __cxa_atexit (cxaefuncp func, void *arg, void *dso_handle)
 {
     struct exit_function *efp;
@@ -178,6 +179,7 @@ extern int __cxa_atexit (cxaefuncp func, void *arg, void *dso_handle)
 
     return 0;
 }
+libc_hidden_def(__cxa_atexit)
 #endif
 
 #ifdef L___cxa_finalize

libc/sysdeps/linux/arm/Makefile.arch

@@ -5,10 +5,30 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-CSRC := brk.c syscall.c ioperm.c iopl.c sigaction.c __syscall_error.c
+CSRC := brk.c ioperm.c iopl.c sigaction.c __syscall_error.c
 
 SSRC := \
 	__longjmp.S vfork.S clone.S setjmp.S bsd-setjmp.S \
 	bsd-_setjmp.S sigrestorer.S mmap64.S
 
+ifeq ($(CONFIG_ARM_EABI),y)
+CSRC += aeabi_assert.c aeabi_atexit.c aeabi_errno_addr.c \
+	aeabi_localeconv.c aeabi_memclr.c aeabi_memcpy.c \
+	aeabi_memmove.c aeabi_memset.c find_exidx.c
+SSRC += syscall-eabi.S
+ifeq ($(UCLIBC_HAS_WCHAR),y)
+CSRC += aeabi_mb_cur_max.c
+endif
+else
+CSRC += syscall.c
+endif
+
 include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch
+
+ifeq ($(CONFIG_ARM_EABI),y)
+libc-static-y += $(ARCH_OUT)/aeabi_lcsts.o $(ARCH_OUT)/aeabi_math.o \
+	$(ARCH_OUT)/aeabi_sighandlers.o
+libc-nonshared-y += $(ARCH_OUT)/aeabi_lcsts.os $(ARCH_OUT)/aeabi_math.os \
+	$(ARCH_OUT)/aeabi_sighandlers.os
+libc-shared-y += $(ARCH_OUT)/aeabi_unwind_cpp_pr1.os
+endif

libc/sysdeps/linux/arm/__longjmp.S

@@ -32,8 +32,18 @@ __longjmp:
 	movs	r0, r1		/* get the return value in place */
 	moveq	r0, #1		/* can't let setjmp() return zero! */
 
+	ldmia     ip!,  {v1-v6, sl, fp, sp, lr}
+
 #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__
-# ifdef __MAVERICK__
+#ifdef __VFP_FP__
+	/* Restore the VFP registers.  */
+	/* Following instruction is fldmiax ip!, {d8-d15}.  */
+	ldc	p11, cr8, [r12], #68
+	/* Restore the floating-point status register.  */
+	ldr     r1, [ip], #4
+	/* Following instruction is fmxr fpscr, r1.  */
+	mcr	p10, 7, r1, cr1, cr0, 0
+# elif defined __MAVERICK__
 	cfldrd	mvd4,  [ip], #8 ; nop
 	cfldrd	mvd5,  [ip], #8 ; nop
 	cfldrd	mvd6,  [ip], #8 ; nop
@@ -49,15 +59,9 @@ __longjmp:
 # else
 	lfmfd	f4, 4, [ip] !	/* load the floating point regs */
 # endif
-#else
-# ifdef __MAVERICK__
-	add		ip, ip, #96		/* skip the FP registers */
-# else
-	add		ip, ip, #48		/* skip the FP registers */
-# endif
 #endif	
 
-	ldmia     ip ,  {v1-v6, sl, fp, sp, pc}
+	mov pc, lr
 
 .size __longjmp,.-__longjmp
 libc_hidden_def(__longjmp)

libc/sysdeps/linux/arm/aeabi_assert.c

@@ -0,0 +1,30 @@
+/* Copyright (C) 2004, 2005 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.  */
+
+#undef NDEBUG
+#include <assert.h>
+#include <stdlib.h>
+
+libc_hidden_proto(__assert)
+
+void
+__aeabi_assert (const char *assertion, const char *file,
+		unsigned int line)
+{
+  __assert (assertion, file, line, NULL);
+}

libc/sysdeps/linux/arm/aeabi_atexit.c

@@ -0,0 +1,31 @@
+/* Copyright (C) 2005 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.  */
+
+#include <stdlib.h>
+
+extern int __cxa_atexit (void (*func) (void *), void *arg, void *dso_handle);
+libc_hidden_proto(__cxa_atexit)
+
+/* Register a function to be called by exit or when a shared library
+   is unloaded.  This routine is like __cxa_atexit, but uses the
+   calling sequence required by the ARM EABI.  */
+int
+__aeabi_atexit (void *arg, void (*func) (void *), void *d)
+{
+  return __cxa_atexit (func, arg, d);
+}

libc/sysdeps/linux/arm/aeabi_errno_addr.c

@@ -0,0 +1,25 @@
+/* Copyright (C) 2004, 2005 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.  */
+
+#include <errno.h>
+
+volatile int *
+__aeabi_errno_addr (void)
+{
+  return &errno;
+}

libc/sysdeps/linux/arm/aeabi_lcsts.c

@@ -0,0 +1,84 @@
+/* Link-time constants for ARM EABI.
+   Copyright (C) 2005 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.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   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.  */
+
+/* The ARM EABI requires that we provide ISO compile-time constants as
+   link-time constants.  Some portable applications may reference these.  */
+
+#include <errno.h>
+#include <limits.h>
+#include <locale.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <stdio.h>
+#include <time.h>
+
+#define eabi_constant2(X,Y) const int __aeabi_##X attribute_hidden = Y
+#define eabi_constant(X) const int __aeabi_##X attribute_hidden = X
+
+eabi_constant (EDOM);
+eabi_constant (ERANGE);
+eabi_constant (EILSEQ);
+
+eabi_constant (MB_LEN_MAX);
+
+eabi_constant (LC_COLLATE);
+eabi_constant (LC_CTYPE);
+eabi_constant (LC_MONETARY);
+eabi_constant (LC_NUMERIC);
+eabi_constant (LC_TIME);
+eabi_constant (LC_ALL);
+
+/* The value of __aeabi_JMP_BUF_SIZE is the number of doublewords in a
+   jmp_buf.  */
+eabi_constant2 (JMP_BUF_SIZE, sizeof (jmp_buf) / 8);
+
+eabi_constant (SIGABRT);
+eabi_constant (SIGFPE);
+eabi_constant (SIGILL);
+eabi_constant (SIGINT);
+eabi_constant (SIGSEGV);
+eabi_constant (SIGTERM);
+
+eabi_constant2 (IOFBF, _IOFBF);
+eabi_constant2 (IOLBF, _IOLBF);
+eabi_constant2 (IONBF, _IONBF);
+eabi_constant (BUFSIZ);
+eabi_constant (FOPEN_MAX);
+eabi_constant (TMP_MAX);
+eabi_constant (FILENAME_MAX);
+eabi_constant (L_tmpnam);
+
+eabi_constant (CLOCKS_PER_SEC);

libc/sysdeps/linux/arm/aeabi_localeconv.c

@@ -0,0 +1,27 @@
+/* Copyright (C) 2004, 2005 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.  */
+
+#include <locale.h>
+
+libc_hidden_proto(localeconv)
+
+struct lconv *
+__aeabi_localeconv (void)
+{
+  return localeconv ();
+}

libc/sysdeps/linux/arm/aeabi_math.c

@@ -0,0 +1,42 @@
+/* Copyright (C) 2004, 2005 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.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   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.  */
+
+#include <math.h>
+
+const double __aeabi_HUGE_VAL attribute_hidden = HUGE_VAL;
+const long double __aeabi_HUGE_VALL attribute_hidden = HUGE_VALL;
+const float __aeabi_HUGE_VALF attribute_hidden = HUGE_VALF;
+const float __aeabi_INFINITY attribute_hidden = INFINITY;
+const float __aeabi_NAN attribute_hidden = NAN;

libc/sysdeps/linux/arm/aeabi_mb_cur_max.c

@@ -0,0 +1,32 @@
+/* Copyright (C) 2004, 2005 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.  */
+
+#include <langinfo.h>
+#include <locale.h>
+#include <stdlib.h>
+
+#undef MB_CUR_MAX
+#define	MB_CUR_MAX	(_stdlib_mb_cur_max ())
+extern size_t _stdlib_mb_cur_max (void) __THROW __wur;
+libc_hidden_proto(_stdlib_mb_cur_max)
+
+int
+__aeabi_MB_CUR_MAX (void)
+{
+  return MB_CUR_MAX;
+}

libc/sysdeps/linux/arm/aeabi_memclr.c

@@ -0,0 +1,33 @@
+/* Copyright (C) 2005 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.  */
+
+#include <string.h>
+
+libc_hidden_proto(bzero)
+
+/* Clear memory.  Can't alias to bzero because it's not defined in the
+   same translation unit.  */
+void
+__aeabi_memclr (void *dest, size_t n)
+{
+  bzero (dest, n);
+}
+
+/* Versions of the above which may assume memory alignment.  */
+strong_alias (__aeabi_memclr, __aeabi_memclr4)
+strong_alias (__aeabi_memclr, __aeabi_memclr8)

libc/sysdeps/linux/arm/aeabi_memcpy.c

@@ -0,0 +1,34 @@
+/* Copyright (C) 2005 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.  */
+
+#include <string.h>
+
+libc_hidden_proto(memcpy)
+
+/* Copy memory like memcpy, but no return value required.  Can't alias
+   to memcpy because it's not defined in the same translation
+   unit.  */
+void
+__aeabi_memcpy (void *dest, const void *src, size_t n)
+{
+  memcpy (dest, src, n);
+}
+
+/* Versions of the above which may assume memory alignment.  */
+strong_alias (__aeabi_memcpy, __aeabi_memcpy4)
+strong_alias (__aeabi_memcpy, __aeabi_memcpy8)

libc/sysdeps/linux/arm/aeabi_memmove.c

@@ -0,0 +1,34 @@
+/* Copyright (C) 2005 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.  */
+
+#include <string.h>
+
+libc_hidden_proto(memmove)
+
+/* Copy memory like memmove, but no return value required.  Can't
+   alias to memmove because it's not defined in the same translation
+   unit.  */
+void
+__aeabi_memmove (void *dest, const void *src, size_t n)
+{
+  memmove (dest, src, n);
+}
+
+/* Versions of the above which may assume memory alignment.  */
+strong_alias (__aeabi_memmove, __aeabi_memmove4)
+strong_alias (__aeabi_memmove, __aeabi_memmove8)

libc/sysdeps/linux/arm/aeabi_memset.c

@@ -0,0 +1,33 @@
+/* Copyright (C) 2005 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.  */
+
+#include <string.h>
+
+libc_hidden_proto(memset)
+
+/* Set memory like memset, but different argument order and no return
+   value required.  */
+void
+__aeabi_memset (void *dest, size_t n, int c)
+{
+  memset (dest, c, n);
+}
+
+/* Versions of the above which may assume memory alignment.  */
+strong_alias (__aeabi_memset, __aeabi_memset4)
+strong_alias (__aeabi_memset, __aeabi_memset8)

libc/sysdeps/linux/arm/aeabi_sighandlers.S

@@ -0,0 +1,52 @@
+/* Link-time constants for ARM EABI - signal handlers.
+   Copyright (C) 2005 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.
+
+   In addition to the permissions in the GNU Lesser General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file. (The GNU Lesser General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   Note that people who make modified versions of this file are not
+   obligated to grant this special exception for their modified
+   versions; it is their choice whether to do so. The GNU Lesser
+   General Public License gives permission to release a modified
+   version without this exception; this exception also makes it
+   possible to release a modified version which carries forward this
+   exception.
+
+   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.  */
+
+/* The ARM EABI defines these as "functions".  */
+
+	.global __aeabi_SIG_DFL
+	.hidden __aeabi_SIG_DFL
+	.type __aeabi_SIG_DFL, %function
+	.set __aeabi_SIG_DFL, 0
+
+	.global __aeabi_SIG_IGN
+	.hidden __aeabi_SIG_IGN
+	.type __aeabi_SIG_IGN, %function
+	.set __aeabi_SIG_IGN, 1
+
+	.global __aeabi_SIG_ERR
+	.hidden __aeabi_SIG_ERR
+	.type __aeabi_SIG_ERR, %function
+	.set __aeabi_SIG_ERR, -1

libc/sysdeps/linux/arm/aeabi_unwind_cpp_pr1.c

@@ -0,0 +1,43 @@
+/* Copyright (C) 2005 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.  */
+
+/* Because some objects in ld.so and libc.so are built with
+   -fexceptions, we end up with references to this personality
+   routine.  However, these libraries are not linked against
+   libgcc_eh.a, so we need a dummy definition.   This routine will
+   never actually be called.  */
+
+#include <stdlib.h>
+
+attribute_hidden
+void
+__aeabi_unwind_cpp_pr0 (void)
+{
+}
+
+attribute_hidden
+void
+__aeabi_unwind_cpp_pr1 (void)
+{
+}
+
+attribute_hidden
+void
+__aeabi_unwind_cpp_pr2 (void)
+{
+}

libc/sysdeps/linux/arm/bits/setjmp.h

@@ -27,14 +27,22 @@
 #ifndef _ASM
 /* Jump buffer contains v1-v6, sl, fp, sp and pc.  Other registers are not
    saved.  */
-#ifdef __MAVERICK__
+#ifdef __ARM_EABI__
+/* The exact set of registers saved may depend on the particular core
+   in use, as some coprocessor registers may need to be saved.  The C
+   Library ABI requires that the buffer be 8-byte aligned, and
+   recommends that the buffer contain 64 words.  The first 28 words
+   are occupied by v1-v6, sl, fp, sp, pc, d8-d15, and fpscr.  (Note
+   that d8-15 require 17 words, due to the use of fstmx.)  */
+typedef int __jmp_buf[64] __attribute__((aligned (8)));
+#elif defined __MAVERICK__
 typedef int __jmp_buf[34];
 #else
 typedef int __jmp_buf[22];
 #endif
 #endif
 
-#define __JMP_BUF_SP		20
+#define __JMP_BUF_SP		8
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */

libc/sysdeps/linux/arm/bits/syscalls.h

@@ -21,7 +21,22 @@
    glibc-2.3.2/sysdeps/unix/sysv/linux/arm/sysdep.h
 */
 
-#ifndef __ASSEMBLER__
+#ifdef __ASSEMBLER__
+/* Call a given syscall, with arguments loaded.  For EABI, we must
+   save and restore r7 for the syscall number.  Unlike the DO_CALL
+   macro in glibc, this macro does not load syscall arguments.  */
+#undef DO_CALL
+#if defined(__ARM_EABI__)
+#define DO_CALL(syscall_name)			\
+    mov ip, r7;					\
+    ldr r7, =SYS_ify (syscall_name);		\
+    swi 0x0;					\
+    mov r7, ip;
+#else
+#define DO_CALL(syscall_name)			\
+    swi SYS_ify (syscall_name);
+#endif
+#else
 
 #undef _syscall0
 #define _syscall0(type,name) \
@@ -97,6 +112,21 @@ return (type) (INLINE_SYSCALL(name, 7, arg1, arg2, arg3, arg4, arg5, arg6, arg7)
 #define INTERNAL_SYSCALL_DECL(err) do { } while (0)
 
 #undef INTERNAL_SYSCALL
+#if defined(__ARM_EABI__)
+#define INTERNAL_SYSCALL(name, err, nr, args...)			\
+  ({unsigned int _sys_result;						\
+     {									\
+       register int _a1 asm ("r0"), _nr asm ("r7");			\
+       LOAD_ARGS_##nr (args)						\
+       _nr = SYS_ify(name);						\
+       asm volatile ("swi	0x0	@ syscall " #name		\
+		     : "=r" (_a1)					\
+		     : "r" (_nr) ASM_ARGS_##nr				\
+		     : "memory");					\
+       _sys_result = _a1;						\
+     }									\
+     (int) _sys_result; })
+#else /* !defined(__ARM_EABI__) */ 
 #if !defined(__thumb__)
 #define INTERNAL_SYSCALL(name, err, nr, args...)		\
   ({ unsigned int _sys_result;					\
@@ -125,6 +155,7 @@ return (type) (INLINE_SYSCALL(name, 7, arg1, arg2, arg3, arg4, arg5, arg6, arg7)
      }								\
      (int) _sys_result; })
 #endif
+#endif /* !defined(__ARM_EABI__) */
 
 #undef INTERNAL_SYSCALL_ERROR_P
 #define INTERNAL_SYSCALL_ERROR_P(val, err) \

libc/sysdeps/linux/arm/clone.S

@@ -49,7 +49,7 @@ clone:
 	@ get flags
 	mov	r0, r2
 	@ new sp is already in r1
-	swi	__NR_clone
+	DO_CALL (clone)
 	movs	a1, a1
 	blt	__error
 	movne    pc, lr

libc/sysdeps/linux/arm/find_exidx.c

@@ -0,0 +1,80 @@
+/* Copyright (C) 2005 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.  */
+
+#include <link.h>
+#include <unwind.h>
+
+struct unw_eh_callback_data
+{
+  _Unwind_Ptr pc;
+  _Unwind_Ptr exidx_start;
+  int exidx_len;
+};
+
+
+/* Callback to determins if the PC lies within an object, and remember the
+   location of the exception index table if it does.  */
+
+static int
+find_exidx_callback (struct dl_phdr_info * info, size_t size, void * ptr)
+{
+  struct unw_eh_callback_data * data;
+  const ElfW(Phdr) *phdr;
+  int i;
+  int match;
+  _Unwind_Ptr load_base;
+
+  data = (struct unw_eh_callback_data *) ptr;
+  load_base = info->dlpi_addr;
+  phdr = info->dlpi_phdr;
+
+  match = 0;
+  for (i = info->dlpi_phnum; i > 0; i--, phdr++)
+    {
+      if (phdr->p_type == PT_LOAD)
+        {
+          _Unwind_Ptr vaddr = phdr->p_vaddr + load_base;
+          if (data->pc >= vaddr && data->pc < vaddr + phdr->p_memsz)
+            match = 1;
+        }
+      else if (phdr->p_type == PT_ARM_EXIDX)
+	{
+	  data->exidx_start = (_Unwind_Ptr) (phdr->p_vaddr + load_base);
+	  data->exidx_len = phdr->p_memsz;
+	}
+    }
+
+  return match;
+}
+
+
+/* Find the exception index table containing PC.  */
+
+_Unwind_Ptr
+__gnu_Unwind_Find_exidx (_Unwind_Ptr pc, int * pcount)
+{
+  struct unw_eh_callback_data data;
+
+  data.pc = pc;
+  data.exidx_start = 0;
+  if (dl_iterate_phdr (find_exidx_callback, &data) <= 0)
+    return 0;
+
+  *pcount = data.exidx_len / 8;
+  return data.exidx_start;
+}

libc/sysdeps/linux/arm/fpu_control.h

@@ -20,7 +20,34 @@
 #ifndef _FPU_CONTROL_H
 #define _FPU_CONTROL_H
 
-#ifdef __MAVERICK__
+#ifdef __VFP_FP__
+
+/* masking of interrupts */
+#define _FPU_MASK_IM	0x00000100	/* invalid operation */
+#define _FPU_MASK_ZM	0x00000200	/* divide by zero */
+#define _FPU_MASK_OM	0x00000400	/* overflow */
+#define _FPU_MASK_UM	0x00000800	/* underflow */
+#define _FPU_MASK_PM	0x00001000	/* inexact */
+
+/* Some bits in the FPSCR are not yet defined.  They must be preserved when
+   modifying the contents.  */
+#define _FPU_RESERVED	0x0e08e0e0
+#define _FPU_DEFAULT    0x00000000
+/* Default + exceptions enabled. */
+#define _FPU_IEEE	(_FPU_DEFAULT | 0x00001f00)
+
+/* Type of the control word.  */
+typedef unsigned int fpu_control_t;
+
+/* Macros for accessing the hardware control word.  */
+/* This is fmrx %0, fpscr.  */
+#define _FPU_GETCW(cw) \
+  __asm__ __volatile__ ("mrc p10, 7, %0, cr1, cr0, 0" : "=r" (cw))
+/* This is fmxr fpscr, %0.  */
+#define _FPU_SETCW(cw) \
+  __asm__ __volatile__ ("mcr p10, 7, %0, cr1, cr0, 0" : : "r" (cw))
+
+#elif defined __MAVERICK__
 
 /* DSPSC register: (from EP9312 User's Guide)
  *

libc/sysdeps/linux/arm/mmap64.S

@@ -29,6 +29,36 @@
 .type mmap64,%function
 .align 4
 mmap64:
+
+#ifdef __ARM_EABI__
+#ifdef __ARMEB__
+# define LOW_OFFSET      8 + 4
+/* The initial + 4 is for the stack postdecrement.  */
+# define HIGH_OFFSET 4 + 8 + 0
+#else
+# define LOW_OFFSET      8 + 0
+# define HIGH_OFFSET 4 + 8 + 4
+#endif
+	ldr	ip, [sp, $LOW_OFFSET]
+	str	r5, [sp, #-4]!
+	ldr	r5, [sp, $HIGH_OFFSET]
+	str	r4, [sp, #-4]!
+	movs	r4, ip, lsl $20		@ check that offset is page-aligned
+	mov	ip, ip, lsr $12
+	moveqs	r4, r5, lsr $12		@ check for overflow
+	bne	.Linval
+	ldr	r4, [sp, $8]		@ load fd
+	orr	r5, ip, r5, lsl $20	@ compose page offset
+	DO_CALL (mmap2)
+	cmn	r0, $4096
+	ldmfd	sp!, {r4, r5}
+	movcc	pc, lr
+	b	__syscall_error
+.Linval:
+	mov	r0, $-EINVAL
+	ldmfd	sp!, {r4, r5}
+	b	__syscall_error
+#else
 	stmfd	sp!, {r4, r5, lr}
 	ldr	r5, [sp, $16]
 	ldr	r4, [sp, $12]
@@ -40,7 +70,7 @@ mmap64:
 	movs	ip, ip, lsr $12
 	bne	.Linval			@ check for overflow
 	mov	ip, r0
-	swi	__NR_mmap2
+	DO_CALL (mmap2)
 	cmn	r0, $4096
 	ldmccfd	sp!, {r4, r5, pc}
 	cmn	r0, $ENOSYS
@@ -60,7 +90,7 @@ mmap64:
 
 __error:
 	b	__syscall_error
-
+#endif
 .size mmap64,.-mmap64
 
 #endif

libc/sysdeps/linux/arm/setjmp.S

@@ -26,38 +26,35 @@
 .type __sigsetjmp,%function
 .align 4
 __sigsetjmp:
+	mov	ip, r0
+
 	/* Save registers */
+	stmia	ip!, {v1-v6, sl, fp, sp, lr}
 #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__
-# ifdef __MAVERICK__
-	cfstrd	mvd4,  [r0], #8 ; nop
-	cfstrd	mvd5,  [r0], #8 ; nop
-	cfstrd	mvd6,  [r0], #8 ; nop
-	cfstrd	mvd7,  [r0], #8 ; nop
-	cfstrd	mvd8,  [r0], #8 ; nop
-	cfstrd	mvd9,  [r0], #8 ; nop
-	cfstrd	mvd10, [r0], #8 ; nop
-	cfstrd	mvd11, [r0], #8 ; nop
-	cfstrd	mvd12, [r0], #8 ; nop
-	cfstrd	mvd13, [r0], #8 ; nop
-	cfstrd	mvd14, [r0], #8 ; nop
-	cfstrd	mvd15, [r0], #8
-# else
-	sfmea   f4, 4, [r0]!
-# endif
-#else
-# ifdef __MAVERICK__
-	add     r0, r0, #96		/* skip the FP registers */
+# ifdef __VFP_FP__
+	/* Store the VFP registers.  */
+	/* Following instruction is fstmiax ip!, {d8-d15}.  */
+	stc	p11, cr8, [r12], #68
+	/* Store the floating-point status register.  */
+	/* Following instruction is fmrx r2, fpscr.  */
+	mrc	p10, 7, r2, cr1, cr0, 0
+	str	r2, [ip], #4
+# elif defined __MAVERICK__
+	cfstrd	mvd4,  [ip], #8 ; nop
+	cfstrd	mvd5,  [ip], #8 ; nop
+	cfstrd	mvd6,  [ip], #8 ; nop
+	cfstrd	mvd7,  [ip], #8 ; nop
+	cfstrd	mvd8,  [ip], #8 ; nop
+	cfstrd	mvd9,  [ip], #8 ; nop
+	cfstrd	mvd10, [ip], #8 ; nop
+	cfstrd	mvd11, [ip], #8 ; nop
+	cfstrd	mvd12, [ip], #8 ; nop
+	cfstrd	mvd13, [ip], #8 ; nop
+	cfstrd	mvd14, [ip], #8 ; nop
+	cfstrd	mvd15, [ip], #8
 # else
-	add     r0, r0, #48		/* skip the FP registers */
+	sfmea   f4, 4, [ip]!
 # endif
-#endif
-	stmia   r0, {v1-v6, sl, fp, sp, lr}
-
-	/* Restore pointer to jmp_buf */
-#ifdef __MAVERICK__
-	sub     r0, r0, #96
-#else
-	sub     r0, r0, #48
 #endif
 
 	/* Make a tail call to __sigjmp_save; it takes the same args.  */

libc/sysdeps/linux/arm/sigrestorer.S

@@ -26,7 +26,7 @@
 .type __default_sa_restorer,%function
 .align 4
 __default_sa_restorer:
-	swi	__NR_sigreturn
+	DO_CALL (sigreturn)
 
 
 #ifdef __NR_rt_sigreturn
@@ -35,6 +35,6 @@ __default_sa_restorer:
 .type __default_rt_sa_restorer,%function
 .align 4
 __default_rt_sa_restorer:
-	swi	__NR_rt_sigreturn
+	DO_CALL (rt_sigreturn)
 
 #endif

libc/sysdeps/linux/arm/syscall-eabi.S

@@ -0,0 +1,43 @@
+/* Copyright (C) 2005 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.  */
+
+#include <sys/syscall.h>
+
+/* In the EABI syscall interface, we don't need a special syscall to
+   implement syscall().  It won't work reliably with 64-bit arguments
+   (but that is true on many modern platforms).  */
+
+.text
+.global syscall
+.type syscall,%function
+.align 4
+syscall:
+	mov	ip, sp
+	stmfd	sp!, {r4, r5, r6, r7}
+	mov	r7, r0
+	mov	r0, r1
+	mov	r1, r2
+	mov	r2, r3
+	ldmfd	ip, {r3, r4, r5, r6}
+	swi	0x0
+	ldmfd	sp!, {r4, r5, r6, r7}
+	cmn	r0, #4096
+	movcc	pc, lr
+	b	__syscall_error
+
+.size syscall,.-syscall

libc/sysdeps/linux/arm/vfork.S

@@ -24,7 +24,7 @@
 __vfork:
 
 #ifdef __NR_vfork
-	swi	__NR_vfork
+	DO_CALL (vfork)
 	cmn	r0, #4096
 	movcc	pc, lr
 
@@ -35,7 +35,7 @@ __vfork:
 #endif
 
 	/* If we don't have vfork, use fork.  */
-	swi     __NR_fork
+	DO_CALL (fork)
 	cmn     r0, #4096
 
 	/* Syscall worked.  Return to child/parent */