Merge changes between r17384 and r17457 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@17458 7b3dc134-2b1b-0410-93df-9e9f96275f8d

18 files changed, 709 insertions, 33 deletions

diff --git a/ports/ChangeLog.alpha b/ports/ChangeLog.alpha
index 32e851528..c4ebcd906 100644
--- a/ports/ChangeLog.alpha
+++ b/ports/ChangeLog.alpha
@@ -1,3 +1,23 @@
+2012-03-04  Richard Henderson  <rth@twiddle.net>
+
+	* sysdeps/unix/sysv/linux/alpha/ioperm.c (inline_sethae): Mark
+	as always_inline.
+
+2012-03-04  Richard Henderson  <rth@twiddle.net>
+
+	* sysdeps/unix/sysv/linux/alpha/bits/socket.h (recvmmsg): Only
+	declare if __USE_GNU.
+	(sendmmsg): Add declaration.
+
+2012-03-04  Richard Henderson  <rth@twiddle.net>
+
+	* sysdeps/unix/sysv/linux/alpha/bits/siginfo.h: Don't name the
+	siginfo_t struct.  Add forward declaration of pthread_attr_t;
+	use it in sigevent.
+	* sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h
+	(pthread_attr_t): Add union tag to pthread_attr_t; only define
+	typedef if not already defined.
+
 2012-02-21  Richard Henderson  <rth@twiddle.net>
 
 	* sysdeps/unix/sysv/linux/alpha/bits/epoll.h: New file.
diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
index 982699cb2..18af911ab 100644
--- a/ports/ChangeLog.arm
+++ b/ports/ChangeLog.arm
@@ -1,3 +1,13 @@
+2012-03-05  Michael Hope  <michael.hope@linaro.org>
+
+	* sysdeps/unix/sysv/linux/arm/eabi/getcontext.S: New file.
+	* sysdeps/unix/sysv/linux/arm/eabi/makecontext.c: New file.
+	* sysdeps/unix/sysv/linux/arm/eabi/setcontext.S: New file.
+	* sysdeps/unix/sysv/linux/arm/eabi/swapcontext.S: New file.
+	* sysdeps/unix/sysv/linux/arm/ucontext_i.sym: New file.
+	* sysdeps/unix/sysv/linux/arm/Makefile (gen-as-const-headers): Add
+	ucontext_i.sym.
+
 2012-02-27  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/arm/nptl/bits/pthreadtypes.h
diff --git a/ports/ChangeLog.hppa b/ports/ChangeLog.hppa
index e7a80e50d..842d1bf5e 100644
--- a/ports/ChangeLog.hppa
+++ b/ports/ChangeLog.hppa
@@ -1,3 +1,10 @@
+2012-03-03  Carlos O'Donell  <carlos@systemhalted.org>
+
+	* sysdeps/unix/sysv/linux/hppa/nptl/bits/pthreadtypes.h: Name 
+	pthread_attr_t union.
+	* sysdeps/unix/sysv/linux/hppa/nptl/pthread.h: Sync from libc copy.
+	* sysdeps/unix/sysv/linux/hppa/bits/socket.h: Likewise.
+
 2012-01-08  Carlos O'Donell  <carlos@systemhalted.org>
 
 	* sysdeps/unix/sysv/linux/hppa/sys/epoll.h (EPOLLONESHOT)
diff --git a/ports/ChangeLog.m68k b/ports/ChangeLog.m68k
index 1ab074f9f..0f1354d7a 100644
--- a/ports/ChangeLog.m68k
+++ b/ports/ChangeLog.m68k
@@ -1,3 +1,7 @@
+2012-03-05  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* sysdeps/m68k/m680x0/fpu/libm-test-ulps: Update.
+
 2012-03-02  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* sysdeps/m68k/m680x0/fpu/libm-test-ulps: Update ULPs.
diff --git a/ports/sysdeps/m68k/m680x0/fpu/libm-test-ulps b/ports/sysdeps/m68k/m680x0/fpu/libm-test-ulps
index f884644f7..8fa326d1b 100644
--- a/ports/sysdeps/m68k/m680x0/fpu/libm-test-ulps
+++ b/ports/sysdeps/m68k/m680x0/fpu/libm-test-ulps
@@ -388,6 +388,52 @@ float: 1
 idouble: 1
 ifloat: 1
 
+# cosh_downward
+Test "cosh_downward (22) == 1792456423.065795780980053377632656584997":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "cosh_downward (23) == 4872401723.124451300068625740569997090344":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "cosh_downward (24) == 13244561064.92173614708845674912733665919":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+# cosh_towardzero
+Test "cosh_towardzero (22) == 1792456423.065795780980053377632656584997":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "cosh_towardzero (23) == 4872401723.124451300068625740569997090344":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "cosh_towardzero (24) == 13244561064.92173614708845674912733665919":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+# cosh_upward
+Test "cosh_upward (22) == 1792456423.065795780980053377632656584997":
+ildouble: 1
+ldouble: 1
+Test "cosh_upward (24) == 13244561064.92173614708845674912733665919":
+double: 1
+idouble: 1
+
 # cpow
 Test "Real part of: cpow (0.75 + 1.25 i, 0.0 + 1.0 i) == 0.331825439177608832276067945276730566 + 0.131338600281188544930936345230903032 i":
 float: 1
@@ -890,6 +936,42 @@ ifloat: 1
 ildouble: 7
 ldouble: 7
 
+# pow_downward
+Test "pow_downward (1.0625, 1.125) == 1.070582293028761362162622578677070098674":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "pow_downward (1.5, 1.03125) == 1.519127098714743184071644334163037684948":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+# pow_towardzero
+Test "pow_towardzero (1.0625, 1.125) == 1.070582293028761362162622578677070098674":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "pow_towardzero (1.5, 1.03125) == 1.519127098714743184071644334163037684948":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+# pow_upward
+Test "pow_upward (1.0625, 1.125) == 1.070582293028761362162622578677070098674":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "pow_upward (1.5, 1.03125) == 1.519127098714743184071644334163037684948":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+
 # sin_downward
 Test "sin_downward (1) == 0.8414709848078965066525023216302989996226":
 ildouble: 1
@@ -1035,6 +1117,53 @@ Test "sinh (0.75) == 0.822316731935829980703661634446913849":
 ildouble: 1
 ldouble: 1
 
+# sinh_downward
+Test "sinh_downward (22) == 1792456423.065795780701106568345764104225":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "sinh_downward (23) == 4872401723.124451299966006944252978187305":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "sinh_downward (24) == 13244561064.92173614705070540368454568168":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+# sinh_towardzero
+Test "sinh_towardzero (22) == 1792456423.065795780701106568345764104225":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "sinh_towardzero (23) == 4872401723.124451299966006944252978187305":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "sinh_towardzero (24) == 13244561064.92173614705070540368454568168":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+# sinh_upward
+Test "sinh_upward (24) == 13244561064.92173614705070540368454568168":
+double: 1
+idouble: 1
+
 # tan
 Test "tan (0.75) == 0.931596459944072461165202756573936428":
 ildouble: 1
@@ -1525,6 +1654,28 @@ ifloat: 1
 ildouble: 1
 ldouble: 1
 
+Function: "cosh_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "cosh_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "cosh_upward":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+
 Function: Real part of "cpow":
 double: 1
 float: 3
@@ -1679,6 +1830,30 @@ ifloat: 1
 ildouble: 7
 ldouble: 7
 
+Function: "pow_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "pow_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "pow_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
 Function: "sin_downward":
 double: 1
 float: 1
@@ -1715,6 +1890,26 @@ Function: "sinh":
 ildouble: 1
 ldouble: 1
 
+Function: "sinh_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "sinh_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "sinh_upward":
+double: 1
+idouble: 1
+
 Function: "tan":
 double: 1
 idouble: 1
diff --git a/ports/sysdeps/unix/sysv/linux/alpha/bits/siginfo.h b/ports/sysdeps/unix/sysv/linux/alpha/bits/siginfo.h
index a2aacc04b..8d0c71653 100644
--- a/ports/sysdeps/unix/sysv/linux/alpha/bits/siginfo.h
+++ b/ports/sysdeps/unix/sysv/linux/alpha/bits/siginfo.h
@@ -1,5 +1,5 @@
 /* siginfo_t, sigevent and constants.  Linux/Alpha version.
-   Copyright (C) 1997-2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1997-2012 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
@@ -42,7 +42,7 @@ typedef union sigval
 # define __SI_MAX_SIZE     128
 # define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 4)
 
-typedef struct siginfo
+typedef struct
   {
     int si_signo;		/* Signal number.  */
     int si_errno;		/* If non-zero, an errno value associated with
@@ -260,6 +260,12 @@ enum
 # define __SIGEV_MAX_SIZE	64
 # define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
 
+/* Forward declaration.  */
+#ifndef __have_pthread_attr_t
+typedef union pthread_attr_t pthread_attr_t;
+# define __have_pthread_attr_t  1
+#endif
+
 typedef struct sigevent
   {
     sigval_t sigev_value;
@@ -277,7 +283,7 @@ typedef struct sigevent
 	struct
 	  {
 	    void (*_function) (sigval_t);	/* Function to start.  */
-	    void *_attribute;			/* Really pthread_attr_t.  */
+	    pthread_attr_t *_attribute;		/* Thread attributes.  */
 	  } _sigev_thread;
       } _sigev_un;
   } sigevent_t;
diff --git a/ports/sysdeps/unix/sysv/linux/alpha/bits/socket.h b/ports/sysdeps/unix/sysv/linux/alpha/bits/socket.h
index a39629cc5..238538e3c 100644
--- a/ports/sysdeps/unix/sysv/linux/alpha/bits/socket.h
+++ b/ports/sysdeps/unix/sysv/linux/alpha/bits/socket.h
@@ -1,6 +1,5 @@
 /* System-specific socket constants and types.  Linux version.
-   Copyright (C) 1991, 1992, 1994-2001, 2004, 2006, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 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
@@ -417,14 +416,22 @@ struct linger
 
 __BEGIN_DECLS
 
-/* Receive a message as described by MESSAGE from socket FD.
+#ifdef __USE_GNU
+/* Receive up to VLEN messages as described by VMESSAGES from socket FD.
    Returns the number of bytes read or -1 for errors.
-
    This function is a cancellation point and therefore not marked with
    __THROW.  */
 extern int recvmmsg (int __fd, struct mmsghdr *__vmessages,
 		     unsigned int __vlen, int __flags,
-		     __const struct timespec *__tmo);
+		     const struct timespec *__tmo);
+
+/* Send a VLEN messages as described by VMESSAGES to socket FD.
+   Return the number of datagrams successfully written or -1 for errors.
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int sendmmsg (int __fd, struct mmsghdr *__vmessages,
+		     unsigned int __vlen, int __flags);
+#endif
 
 __END_DECLS
 
diff --git a/ports/sysdeps/unix/sysv/linux/alpha/ioperm.c b/ports/sysdeps/unix/sysv/linux/alpha/ioperm.c
index 32e96ec2f..b4e420b1d 100644
--- a/ports/sysdeps/unix/sysv/linux/alpha/ioperm.c
+++ b/ports/sysdeps/unix/sysv/linux/alpha/ioperm.c
@@ -220,7 +220,7 @@ port_to_cpu_addr (unsigned long int port, ioswizzle_t ioswiz, int size)
     return io.base + (port << 7) + ((size - 1) << 5);
 }
 
-static inline void
+static inline __attribute__((always_inline)) void
 inline_sethae (unsigned long int addr, ioswizzle_t ioswiz)
 {
   if (ioswiz == IOSWIZZLE_SPARSE)
diff --git a/ports/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h b/ports/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h
index 41c0be197..bea9955fd 100644
--- a/ports/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h
+++ b/ports/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h
@@ -1,5 +1,5 @@
 /* Machine-specific pthread type layouts.  Alpha version.
-   Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2003-2012 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
@@ -36,12 +36,15 @@
 typedef unsigned long int pthread_t;
 
 
-typedef union
+union pthread_attr_t
 {
   char __size[__SIZEOF_PTHREAD_ATTR_T];
   long int __align;
-} pthread_attr_t;
-
+};
+#ifndef __have_pthread_attr_t
+typedef union pthread_attr_t pthread_attr_t;
+# define __have_pthread_attr_t	1
+#endif
 
 typedef struct __pthread_internal_list
 {
diff --git a/ports/sysdeps/unix/sysv/linux/arm/Makefile b/ports/sysdeps/unix/sysv/linux/arm/Makefile
index d91b96859..a9817368a 100644
--- a/ports/sysdeps/unix/sysv/linux/arm/Makefile
+++ b/ports/sysdeps/unix/sysv/linux/arm/Makefile
@@ -20,3 +20,7 @@ endif
 ifeq ($(subdir),resource)
 sysdep_routines += oldgetrlimit64
 endif
+
+ifeq ($(subdir),stdlib)
+gen-as-const-headers += ucontext_i.sym
+endif
diff --git a/ports/sysdeps/unix/sysv/linux/arm/eabi/getcontext.S b/ports/sysdeps/unix/sysv/linux/arm/eabi/getcontext.S
new file mode 100644
index 000000000..435eb12c8
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/arm/eabi/getcontext.S
@@ -0,0 +1,113 @@
+/* Copyright (C) 2012 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/>.  */
+
+#include <sysdep.h>
+#include <rtld-global-offsets.h>
+
+#include "ucontext_i.h"
+
+	.syntax unified
+	.text
+
+/* int getcontext (ucontext_t *ucp) */
+
+ENTRY(__getcontext)
+	/* No need to save r0-r3, d0-d7, or d16-d31.  */
+	add	r1, r0, #MCONTEXT_ARM_R4
+	stmia   r1, {r4-r11}
+
+	/* Save R13 separately as Thumb can't STM it.  */
+	str     r13, [r0, #MCONTEXT_ARM_SP]
+	str     r14, [r0, #MCONTEXT_ARM_LR]
+	/* Return to LR */
+	str     r14, [r0, #MCONTEXT_ARM_PC]
+	/* Return zero */
+	mov     r2, #0
+	str     r2, [r0, #MCONTEXT_ARM_R0]
+
+	/* Save ucontext_t * across the next call.  */
+	mov	r4, r0
+	
+	/* __sigprocmask(SIG_BLOCK, NULL, &(ucontext->uc_sigmask)) */
+	mov     r0, #SIG_BLOCK
+	mov     r1, #0
+	add     r2, r4, #UCONTEXT_SIGMASK
+	bl      PLTJMP(__sigprocmask)
+	
+	/* Store FP regs.  Much of the FP code is copied from arm/eabi/setjmp.S.  */
+
+#ifdef PIC
+        ldr     r2, 1f
+        ldr     r1, Lrtld_global_ro
+0:      add     r2, pc, r2
+        ldr     r2, [r2, r1]
+        ldr     r2, [r2, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET]
+#else
+        ldr     r2, Lhwcap
+        ldr     r2, [r2, #0]
+#endif
+
+	add	r0, r4, #UCONTEXT_REGSPACE
+
+        tst     r2, #HWCAP_ARM_VFP
+        beq     Lno_vfp
+
+        /* Store the VFP registers.
+           Don't use VFP instructions directly because this code
+           is used in non-VFP multilibs.  */
+        /* Following instruction is vstmia r0!, {d8-d15}.  */
+        stc     p11, cr8, [r0], #64
+        /* Store the floating-point status register.  */
+        /* Following instruction is vmrs r1, fpscr.  */
+        mrc     p10, 7, r1, cr1, cr0, 0
+        str     r1, [r0], #4
+Lno_vfp:
+
+        tst     r2, #HWCAP_ARM_IWMMXT
+        beq     Lno_iwmmxt
+
+        /* Save the call-preserved iWMMXt registers.  */
+        /* Following instructions are wstrd wr10, [r0], #8 (etc.)  */
+        stcl    p1, cr10, [r0], #8
+        stcl    p1, cr11, [r0], #8
+        stcl    p1, cr12, [r0], #8
+        stcl    p1, cr13, [r0], #8
+        stcl    p1, cr14, [r0], #8
+        stcl    p1, cr15, [r0], #8
+Lno_iwmmxt:
+
+	/* Restore the clobbered R4 and LR.  */
+	ldr	r14, [r4, #MCONTEXT_ARM_LR]
+	ldr	r4, [r4, #MCONTEXT_ARM_R4]
+
+	mov	r0, #0
+
+	DO_RET(r14)
+
+END(__getcontext)
+
+#ifdef PIC
+1:      .long   _GLOBAL_OFFSET_TABLE_ - 0b - 8
+Lrtld_global_ro:
+        .long   C_SYMBOL_NAME(_rtld_global_ro)(GOT)
+#else
+Lhwcap:
+        .long   C_SYMBOL_NAME(_dl_hwcap)
+#endif
+
+
+weak_alias(__getcontext, getcontext)
diff --git a/ports/sysdeps/unix/sysv/linux/arm/eabi/makecontext.c b/ports/sysdeps/unix/sysv/linux/arm/eabi/makecontext.c
new file mode 100644
index 000000000..d6ae6f0d7
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/arm/eabi/makecontext.c
@@ -0,0 +1,73 @@
+/* Copyright (C) 2012 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/>.  */
+
+#include <stdarg.h>
+#include <ucontext.h>
+
+/* Number of arguments that go in registers.  */
+#define NREG_ARGS  4
+
+/* Take a context previously prepared via getcontext() and set to
+   call func() with the given int only args.  */
+void
+__makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...)
+{
+  extern void __startcontext (void);
+  unsigned long *funcstack;
+  va_list vl;
+  unsigned long *regptr;
+  unsigned int reg;
+  int misaligned;
+
+  /* Start at the top of stack.  */
+  funcstack = (unsigned long *) (ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size);
+
+  /* Ensure the stack stays eight byte aligned.  */
+  misaligned = ((unsigned long) funcstack & 4) != 0;
+
+  if ((argc > NREG_ARGS) && (argc & 1) != 0)
+    misaligned = !misaligned;
+
+  if (misaligned)
+    funcstack -= 1;
+
+  va_start (vl, argc);
+
+  /* Reserve space for the on-stack arguments.  */
+  if (argc > NREG_ARGS)
+    funcstack -= (argc - NREG_ARGS);
+
+  ucp->uc_mcontext.arm_sp = (unsigned long) funcstack;
+  ucp->uc_mcontext.arm_pc = (unsigned long) func;
+
+  /* Exit to startcontext() with the next context in R4 */
+  ucp->uc_mcontext.arm_r4 = (unsigned long) ucp->uc_link;
+  ucp->uc_mcontext.arm_lr = (unsigned long) __startcontext;
+
+  /* The first four arguments go into registers.  */
+  regptr = &(ucp->uc_mcontext.arm_r0);
+
+  for (reg = 0; (reg < argc) && (reg < NREG_ARGS); reg++)
+    *regptr++ = va_arg (vl, unsigned long);
+
+  /* And the remainder on the stack.  */
+  for (; reg < argc; reg++)
+    *funcstack++ = va_arg (vl, unsigned long);
+
+  va_end (vl);
+}
+weak_alias (__makecontext, makecontext)
diff --git a/ports/sysdeps/unix/sysv/linux/arm/eabi/setcontext.S b/ports/sysdeps/unix/sysv/linux/arm/eabi/setcontext.S
new file mode 100644
index 000000000..78003f52d
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/arm/eabi/setcontext.S
@@ -0,0 +1,101 @@
+/* Copyright (C) 2012 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/>.  */
+
+#include <sysdep.h>
+#include <rtld-global-offsets.h>
+
+#include "ucontext_i.h"
+
+	.syntax unified
+	.text
+
+/* int setcontext (const ucontext_t *ucp) */
+
+ENTRY(__setcontext)
+	mov	r4, r0
+	add	r0, r0, #UCONTEXT_REGSPACE
+
+        /* Restore the VFP registers.  Copied from arm/eabi/__longjmp.S.  */
+#ifdef PIC
+        ldr     r2, 1f
+        ldr     r1, Lrtld_global_ro
+0:      add     r2, pc, r2
+        ldr     r2, [r2, r1]
+        ldr     r2, [r2, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET]
+#else
+        ldr     r2, Lhwcap
+        ldr     r2, [r2, #0]
+#endif
+
+        tst     r2, #HWCAP_ARM_VFP
+        beq     Lno_vfp_sc
+
+        /* Following instruction is vldmia r0!, {d8-d15}.  */
+        ldc     p11, cr8, [r0], #64
+        /* Restore the floating-point status register.  */
+        ldr     r1, [r0], #4
+        /* Following instruction is fmxr fpscr, r1.  */
+        mcr     p10, 7, r1, cr1, cr0, 0
+Lno_vfp_sc:
+        tst     r2, #HWCAP_ARM_IWMMXT
+        beq     Lno_iwmmxt_sc
+
+        /* Restore the call-preserved iWMMXt registers.  */
+        /* Following instructions are wldrd wr10, [r0], #8 (etc.)  */
+        ldcl    p1, cr10, [r0], #8
+        ldcl    p1, cr11, [r0], #8
+        ldcl    p1, cr12, [r0], #8
+        ldcl    p1, cr13, [r0], #8
+        ldcl    p1, cr14, [r0], #8
+        ldcl    p1, cr15, [r0], #8
+Lno_iwmmxt_sc:
+
+	/* Now bring back the signal status.  */
+	mov	r0, #SIG_SETMASK
+	add	r1, r4, #UCONTEXT_SIGMASK
+	mov	r2, #0
+	bl	PLTJMP(__sigprocmask)
+
+        /* Loading r0-r3 makes makecontext easier.  */
+        add     r14, r4, #MCONTEXT_ARM_R0
+        ldmia   r14, {r0-r12}
+        ldr     r13, [r14, #(MCONTEXT_ARM_SP - MCONTEXT_ARM_R0)]
+        add     r14, r14, #(MCONTEXT_ARM_LR - MCONTEXT_ARM_R0)
+        ldmia   r14, {r14, pc}
+
+END(setcontext)
+weak_alias(__setcontext, setcontext)
+
+	/* Called when a makecontext() context returns.  Start the
+	   context in R4 or fall through to exit().  */
+ENTRY(__startcontext)
+        movs    r0, r4
+        bne     PLTJMP(__setcontext)
+
+        @ New context was 0 - exit
+        b       PLTJMP(_exit)
+END(__startcontext)
+
+#ifdef PIC
+1:      .long   _GLOBAL_OFFSET_TABLE_ - 0b - 8
+Lrtld_global_ro:
+        .long   C_SYMBOL_NAME(_rtld_global_ro)(GOT)
+#else
+Lhwcap:
+        .long   C_SYMBOL_NAME(_dl_hwcap)
+#endif
+
diff --git a/ports/sysdeps/unix/sysv/linux/arm/eabi/swapcontext.S b/ports/sysdeps/unix/sysv/linux/arm/eabi/swapcontext.S
new file mode 100644
index 000000000..09492d000
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/arm/eabi/swapcontext.S
@@ -0,0 +1,63 @@
+/* Copyright (C) 2012 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/>.  */
+
+#include <sysdep.h>
+
+#include "ucontext_i.h"
+
+	.syntax unified
+	.text
+
+/* int swapcontext (ucontext_t *oucp, const ucontext_t *ucp) */
+
+ENTRY(swapcontext)
+
+	/* Have getcontext() do most of the work then fix up
+	   LR afterwards.  Save R3 to keep the stack aligned.  */
+	push	{r0,r1,r3,r14}
+	cfi_adjust_cfa_offset (16)
+	cfi_rel_offset (r0,0)
+	cfi_rel_offset (r1,4)
+	cfi_rel_offset (r3,8)
+	cfi_rel_offset (r14,12)
+
+	bl	__getcontext
+	mov	r4, r0
+
+	pop	{r0,r1,r3,r14}
+	cfi_adjust_cfa_offset (-16)
+	cfi_restore (r0)
+	cfi_restore (r1)
+	cfi_restore (r3)
+	cfi_restore (r14)
+
+	/* Exit if getcontext() failed.  */
+	cmp 	r4, #0
+	itt	ne
+	movne	r0, r4
+	RETINSTR(ne, r14)
+	
+	/* Fix up LR and the PC.  */
+	str	r13,[r0, #MCONTEXT_ARM_SP]
+	str	r14,[r0, #MCONTEXT_ARM_LR]
+	str	r14,[r0, #MCONTEXT_ARM_PC]
+
+	/* And swap using swapcontext().  */
+	mov	r0, r1
+	b	__setcontext
+
+END(swapcontext)
diff --git a/ports/sysdeps/unix/sysv/linux/arm/ucontext_i.sym b/ports/sysdeps/unix/sysv/linux/arm/ucontext_i.sym
new file mode 100644
index 000000000..306292f1f
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/arm/ucontext_i.sym
@@ -0,0 +1,30 @@
+#include <inttypes.h>
+#include <signal.h>
+#include <stddef.h>
+#include <sys/ucontext.h>
+
+SIG_BLOCK
+SIG_SETMASK
+
+-- Offsets of the fields in the ucontext_t structure.
+#define ucontext(member)	offsetof (ucontext_t, member)
+#define mcontext(member)	ucontext (uc_mcontext.member)
+
+UCONTEXT_FLAGS			ucontext (uc_flags)
+UCONTEXT_LINK			ucontext (uc_link)
+UCONTEXT_STACK			ucontext (uc_stack)
+UCONTEXT_MCONTEXT		ucontext (uc_mcontext)
+UCONTEXT_SIGMASK		ucontext (uc_sigmask)
+
+UCONTEXT_REGSPACE		ucontext (uc_regspace)
+
+MCONTEXT_TRAP_NO		mcontext (trap_no)
+MCONTEXT_ERROR_CODE		mcontext (error_code)
+MCONTEXT_OLDMASK		mcontext (oldmask)
+MCONTEXT_ARM_R0			mcontext (arm_r0)
+MCONTEXT_ARM_R4			mcontext (arm_r4)
+MCONTEXT_ARM_SP			mcontext (arm_sp)
+MCONTEXT_ARM_LR			mcontext (arm_lr)
+MCONTEXT_ARM_PC			mcontext (arm_pc)
+MCONTEXT_ARM_CPSR		mcontext (arm_cpsr)
+MCONTEXT_FAULT_ADDRESS		mcontext (fault_address)
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/bits/socket.h b/ports/sysdeps/unix/sysv/linux/hppa/bits/socket.h
index 05814a002..7870f751e 100644
--- a/ports/sysdeps/unix/sysv/linux/hppa/bits/socket.h
+++ b/ports/sysdeps/unix/sysv/linux/hppa/bits/socket.h
@@ -1,6 +1,5 @@
 /* System-specific socket constants and types.  Linux version.
-   Copyright (C) 1991, 1992, 1994-2001, 2004, 2006, 2007, 2008, 2009,
-   2010 Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 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
@@ -14,9 +13,8 @@
    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.  */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #ifndef __BITS_SOCKET_H
 #define __BITS_SOCKET_H
@@ -65,7 +63,6 @@ enum __socket_type
   SOCK_CLOEXEC = 010000000,	/* Atomically set close-on-exec flag for the
 				   new descriptor(s).  */
 #define SOCK_CLOEXEC SOCK_CLOEXEC
-#undef SOCK_NONBLOCK
   SOCK_NONBLOCK = 0x40000000	/* Atomically mark descriptor(s) as
 				   non-blocking.  */
 #define SOCK_NONBLOCK SOCK_NONBLOCK
@@ -110,7 +107,10 @@ enum __socket_type
 #define PF_ISDN		34	/* mISDN sockets.  */
 #define PF_PHONET	35	/* Phonet sockets.  */
 #define PF_IEEE802154	36	/* IEEE 802.15.4 sockets.  */
-#define	PF_MAX		37	/* For now..  */
+#define PF_CAIF		37	/* CAIF sockets.  */
+#define PF_ALG		38	/* Algorithm sockets.  */
+#define PF_NFC		39	/* NFC sockets.  */
+#define	PF_MAX		40	/* For now..  */
 
 /* Address families.  */
 #define	AF_UNSPEC	PF_UNSPEC
@@ -151,6 +151,9 @@ enum __socket_type
 #define AF_ISDN		PF_ISDN
 #define AF_PHONET	PF_PHONET
 #define AF_IEEE802154	PF_IEEE802154
+#define AF_CAIF		PF_CAIF
+#define AF_ALG		PF_ALG
+#define AF_NFC		PF_NFC
 #define	AF_MAX		PF_MAX
 
 /* Socket level values.  Others are defined in the appropriate headers.
@@ -233,12 +236,12 @@ enum
 #define	MSG_NOSIGNAL	MSG_NOSIGNAL
     MSG_MORE		= 0x8000,  /* Sender will send more.  */
 #define	MSG_MORE	MSG_MORE
-    MSG_WAITFORONE     = 0x10000, /* Wait for at least one packet to return.*/
-#define MSG_WAITFORONE MSG_WAITFORONE
+    MSG_WAITFORONE	= 0x10000, /* Wait for at least one packet to return.*/
+#define MSG_WAITFORONE	MSG_WAITFORONE
 
     MSG_CMSG_CLOEXEC	= 0x40000000	/* Set close_on_exit for file
-                                           descriptor received through
-                                           SCM_RIGHTS.  */
+					   descriptor received through
+					   SCM_RIGHTS.  */
 #define MSG_CMSG_CLOEXEC MSG_CMSG_CLOEXEC
   };
 
@@ -262,6 +265,15 @@ struct msghdr
     int msg_flags;		/* Flags on received message.  */
   };
 
+#ifdef __USE_GNU
+/* For `recvmmsg'.  */
+struct mmsghdr
+  {
+    struct msghdr msg_hdr;	/* Actual message header.  */
+    unsigned int msg_len;	/* Number of received bytes for the entry.  */
+  };
+#endif
+
 /* Structure used for storage of ancillary data object information.  */
 struct cmsghdr
   {
@@ -304,7 +316,7 @@ __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
 {
   if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
     /* The kernel header does this so there may be a reason.  */
-    return 0;
+    return (struct cmsghdr *) 0;
 
   __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
 			       + CMSG_ALIGN (__cmsg->cmsg_len));
@@ -313,7 +325,7 @@ __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg))
       || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)
 	  > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
     /* No more entries.  */
-    return 0;
+    return (struct cmsghdr *) 0;
   return __cmsg;
 }
 #endif	/* Use `extern inline'.  */
@@ -406,4 +418,27 @@ struct linger
     int l_linger;		/* Time to linger.  */
   };
 
+
+__BEGIN_DECLS
+
+#ifdef __USE_GNU
+/* Receive up to VLEN messages as described by VMESSAGES from socket FD.
+   Returns the number of bytes read or -1 for errors.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int recvmmsg (int __fd, struct mmsghdr *__vmessages,
+		     unsigned int __vlen, int __flags,
+		     const struct timespec *__tmo);
+
+/* Send a VLEN messages as described by VMESSAGES to socket FD.
+   Return the number of datagrams successfully written or -1 for errors.
+This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int sendmmsg (int __fd, struct mmsghdr *__vmessages,
+		     unsigned int __vlen, int __flags);
+#endif
+
+__END_DECLS
+
 #endif	/* bits/socket.h */
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/nptl/bits/pthreadtypes.h b/ports/sysdeps/unix/sysv/linux/hppa/nptl/bits/pthreadtypes.h
index 952e53c93..afd37d32c 100644
--- a/ports/sysdeps/unix/sysv/linux/hppa/nptl/bits/pthreadtypes.h
+++ b/ports/sysdeps/unix/sysv/linux/hppa/nptl/bits/pthreadtypes.h
@@ -45,11 +45,15 @@
    exposed on purpose.  */
 typedef unsigned long int pthread_t;
 
-typedef union
+union pthread_attr_t
 {
   char __size[__SIZEOF_PTHREAD_ATTR_T];
   long int __align;
-} pthread_attr_t;
+};
+#ifndef __have_pthread_attr_t
+typedef union pthread_attr_t pthread_attr_t;
+# define __have_pthread_attr_t	1
+#endif
 
 
 typedef struct __pthread_internal_slist
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/nptl/pthread.h b/ports/sysdeps/unix/sysv/linux/hppa/nptl/pthread.h
index 8bb30c949..6a0d95354 100644
--- a/ports/sysdeps/unix/sysv/linux/hppa/nptl/pthread.h
+++ b/ports/sysdeps/unix/sysv/linux/hppa/nptl/pthread.h
@@ -12,9 +12,8 @@
    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.  */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #ifndef _PTHREAD_H
 #define _PTHREAD_H	1
@@ -22,6 +21,7 @@
 #include <features.h>
 #include <endian.h>
 #include <sched.h>
+#define __need_timespec
 #include <time.h>
 
 #include <bits/pthreadtypes.h>
@@ -72,7 +72,7 @@ enum
 #endif
 
 
-#ifdef __USE_UNIX98
+#if defined __USE_POSIX199506 || defined __USE_UNIX98
 /* Mutex protocols.  */
 enum
 {
@@ -266,7 +266,8 @@ extern int pthread_detach (pthread_t __th) __THROW;
 extern pthread_t pthread_self (void) __THROW __attribute__ ((__const__));
 
 /* Compare two thread identifiers.  */
-extern int pthread_equal (pthread_t __thread1, pthread_t __thread2) __THROW;
+extern int pthread_equal (pthread_t __thread1, pthread_t __thread2)
+  __THROW __attribute__ ((__const__));
 
 
 /* Thread attribute handling.  */