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-rw-r--r--sysdeps/unix/sysv/linux/Makefile3
-rw-r--r--sysdeps/unix/sysv/linux/arm/syscalls.list6
-rw-r--r--sysdeps/unix/sysv/linux/i386/s_pread64.S9
-rw-r--r--sysdeps/unix/sysv/linux/i386/s_pwrite64.S9
-rw-r--r--sysdeps/unix/sysv/linux/i386/sigaction.c21
-rw-r--r--sysdeps/unix/sysv/linux/pread.c28
-rw-r--r--sysdeps/unix/sysv/linux/pwrite.c28
-rw-r--r--sysdeps/unix/sysv/linux/sigaction.c3
-rw-r--r--sysdeps/unix/sysv/linux/sigpending.c3
-rw-r--r--sysdeps/unix/sysv/linux/sigprocmask.c3
-rw-r--r--sysdeps/unix/sysv/linux/sigreturn.c3
-rw-r--r--sysdeps/unix/sysv/linux/sigsuspend.c5
-rw-r--r--sysdeps/unix/sysv/linux/sigtimedwait.c3
-rw-r--r--sysdeps/unix/sysv/linux/sigwaitinfo.c3
-rw-r--r--sysdeps/unix/sysv/linux/syscalls.list14
15 files changed, 106 insertions, 35 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index ffea9ef4bb..6903e0b6cd 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -111,7 +111,8 @@ endif
 
 ifeq ($(subdir),signal)
 sysdep_routines += rt_sigsuspend rt_sigprocmask rt_sigtimedwait	\
-		   rt_sigqueueinfo rt_sigaction
+		   rt_sigqueueinfo rt_sigaction rt_sigpending	\
+		   rt_sigreturn
 endif
 
 common-generated += bits/stdio_lim.h bits/stdio_lim.d
diff --git a/sysdeps/unix/sysv/linux/arm/syscalls.list b/sysdeps/unix/sysv/linux/arm/syscalls.list
new file mode 100644
index 0000000000..392a257194
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/syscalls.list
@@ -0,0 +1,6 @@
+# File name	Caller	Syscall name	# args	Strong name	Weak names
+
+s_getgroups	getgroups getgroups	2	__syscall_getgroups
+s_llseek	llseek	_llseek		5	__sys_llseek
+s_setgroups	setgroups setgroups	2	__syscall_setgroups
+vm86		-	vm86		1	__vm86		vm86
diff --git a/sysdeps/unix/sysv/linux/i386/s_pread64.S b/sysdeps/unix/sysv/linux/i386/s_pread64.S
index 22ce79b3f0..9e14aa815f 100644
--- a/sysdeps/unix/sysv/linux/i386/s_pread64.S
+++ b/sysdeps/unix/sysv/linux/i386/s_pread64.S
@@ -18,6 +18,7 @@
    Boston, MA 02111-1307, USA.  */
 
 #include <sysdep.h>
+#include <asm/errno.h>
 
 /* Please consult the file sysdeps/unix/sysv/linux/i386/sysdep.h for
    more information about the value -4095 used below.*/
@@ -25,6 +26,13 @@
 	.text
 ENTRY (__syscall_pread64)
 
+#ifndef __NR_pread
+	movl	$-ENOSYS,%eax
+# ifndef PIC
+	jmp	syscall_error
+# endif
+#else
+
 	PUSHARGS_5		/* Save register contents.  */
 
 	/* Load arguments.  This is unfortunately a little bit of a problem
@@ -41,5 +49,6 @@ ENTRY (__syscall_pread64)
 	cmpl	$-4095, %eax	/* Check %eax for error.  */
 	jae	syscall_error	/* Jump to error handler if error.  */
 	ret			/* Return to caller.  */
+#endif
 
 PSEUDO_END (__syscall_pread64)
diff --git a/sysdeps/unix/sysv/linux/i386/s_pwrite64.S b/sysdeps/unix/sysv/linux/i386/s_pwrite64.S
index 6a1987b72e..a21fe2f99f 100644
--- a/sysdeps/unix/sysv/linux/i386/s_pwrite64.S
+++ b/sysdeps/unix/sysv/linux/i386/s_pwrite64.S
@@ -18,6 +18,7 @@
    Boston, MA 02111-1307, USA.  */
 
 #include <sysdep.h>
+#include <asm/errno.h>
 
 /* Please consult the file sysdeps/unix/sysv/linux/i386/sysdep.h for
    more information about the value -4095 used below.*/
@@ -25,6 +26,13 @@
 	.text
 ENTRY (__syscall_pwrite64)
 
+#ifndef __NR_pwrite
+	movl	$-ENOSYS,%eax
+# ifndef PIC
+	jmp	syscall_error
+# endif
+#else
+
 	PUSHARGS_5		/* Save register contents.  */
 
 	/* Load arguments.  This is unfortunately a little bit of a problem
@@ -41,5 +49,6 @@ ENTRY (__syscall_pwrite64)
 	cmpl	$-4095, %eax	/* Check %eax for error.  */
 	jae	syscall_error	/* Jump to error handler if error.  */
 	ret			/* Return to caller.  */
+#endif
 
 PSEUDO_END (__syscall_pwrite64)
diff --git a/sysdeps/unix/sysv/linux/i386/sigaction.c b/sysdeps/unix/sysv/linux/i386/sigaction.c
index 90d61a08a1..05d187c432 100644
--- a/sysdeps/unix/sysv/linux/i386/sigaction.c
+++ b/sysdeps/unix/sysv/linux/i386/sigaction.c
@@ -47,19 +47,24 @@ __sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
   /* First try the RT signals.  */
   if (__libc_have_rt_sigs)
     {
-      struct sigaction nact;
+      struct sigaction nact, *nactp;
 
-      nact.sa_handler = act->sa_handler;
-      memcpy (&nact.sa_mask, &act->sa_mask, sizeof (sigset_t));
-      nact.sa_flags = act->sa_flags;
+      if (act)
+	{
+	  nact.sa_handler = act->sa_handler;
+	  memcpy (&nact.sa_mask, &act->sa_mask, sizeof (sigset_t));
+	  nact.sa_flags = act->sa_flags;
 
-      nact.sa_restorer = ((act->sa_flags & SA_NOMASK)
-			  ? &&restore_nomask : &&restore);
+	  nact.sa_restorer = ((act->sa_flags & SA_NOMASK)
+			      ? &&restore_nomask : &&restore);
+	  nactp = &nact;
+	}
+      else
+	nactp = NULL;
 
       /* XXX The size argument hopefully will have to be changed to the
 	 real size of the user-level sigset_t.  */
-      result = __syscall_rt_sigaction (sig, &nact, oact,
-				       _NSIG / (8 * sizeof (long int)));
+      result = __syscall_rt_sigaction (sig, nactp, oact, _NSIG / 8);
 
       if (result >= 0 || errno != ENOSYS)
 	return result;
diff --git a/sysdeps/unix/sysv/linux/pread.c b/sysdeps/unix/sysv/linux/pread.c
index eeb26eb663..eb0d301fa1 100644
--- a/sysdeps/unix/sysv/linux/pread.c
+++ b/sysdeps/unix/sysv/linux/pread.c
@@ -17,12 +17,36 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <errno.h>
 #include <unistd.h>
 
+extern ssize_t __syscall_pread64 (int fd, void *buf, size_t count,
+				  off_t offset_hi, off_t offset_lo);
+
+static ssize_t __emulate_pread (int fd, void *buf, size_t count,
+				off_t offset) internal_function;
+
+
 ssize_t
-__pread (int fd, void *buf, size_t nbytes, off_t offset)
+__pread (fd, buf, count, offset)
+     int fd;
+     void *buf;
+     size_t count;
+     off_t offset;
 {
-  return __pread64 (fd, buf, nbytes, (off64_t) offset);
+  ssize_t result;
+
+  /* First try the syscall.  */
+  result = __syscall_pread64 (fd, buf, count, 0, offset);
+  if (result == -1 && errno == ENOSYS)
+    /* No system call available.  Use the emulation.  */
+    result = __emulate_pread (fd, buf, count, offset);
+
+  return result;
 }
 
 weak_alias (__pread, pread)
+
+#define __pread(fd, buf, count, offset) \
+     static internal_function __emulate_pread (fd, buf, count, offset)
+#include <sysdeps/posix/pread.c>
diff --git a/sysdeps/unix/sysv/linux/pwrite.c b/sysdeps/unix/sysv/linux/pwrite.c
index d8695db2a8..9ab3259fc6 100644
--- a/sysdeps/unix/sysv/linux/pwrite.c
+++ b/sysdeps/unix/sysv/linux/pwrite.c
@@ -17,12 +17,36 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <errno.h>
 #include <unistd.h>
 
+extern ssize_t __syscall_pwrite64 (int fd, const void *buf, size_t count,
+				   off_t offset_hi, off_t offset_lo);
+
+static ssize_t __emulate_pwrite (int fd, const void *buf, size_t count,
+				 off_t offset) internal_function;
+
+
 ssize_t
-__pwrite (int fd, const void *buf, size_t nbytes, off_t offset)
+__pwrite (fd, buf, count, offset)
+     int fd;
+     const void *buf;
+     size_t count;
+     off_t offset;
 {
-  return __pwrite64 (fd, buf, nbytes, (off64_t) offset);
+  ssize_t result;
+
+  /* First try the syscall.  */
+  result = __syscall_pwrite64 (fd, buf, count, 0, offset);
+  if (result == -1 && errno == ENOSYS)
+    /* No system call available.  Use the emulation.  */
+    result = __emulate_pwrite (fd, buf, count, offset);
+
+  return result;
 }
 
 weak_alias (__pwrite, pwrite)
+
+#define __pwrite(fd, buf, count, offset) \
+     static internal_function __emulate_pwrite (fd, buf, count, offset)
+#include <sysdeps/posix/pwrite.c>
diff --git a/sysdeps/unix/sysv/linux/sigaction.c b/sysdeps/unix/sysv/linux/sigaction.c
index 161f1b0529..1412c381d0 100644
--- a/sysdeps/unix/sysv/linux/sigaction.c
+++ b/sysdeps/unix/sysv/linux/sigaction.c
@@ -49,8 +49,7 @@ __sigaction (sig, act, oact)
     {
       /* XXX The size argument hopefully will have to be changed to the
 	 real size of the user-level sigset_t.  */
-      int result = __syscall_rt_sigaction (sig, act, oact,
-					   _NSIG / (8 * sizeof (long int)));
+      int result = __syscall_rt_sigaction (sig, act, oact, _NSIG / 8);
 
       if (result >= 0 || errno != ENOSYS)
 	return result;
diff --git a/sysdeps/unix/sysv/linux/sigpending.c b/sysdeps/unix/sysv/linux/sigpending.c
index 7b26bfbf12..4cecb8dc60 100644
--- a/sysdeps/unix/sysv/linux/sigpending.c
+++ b/sysdeps/unix/sysv/linux/sigpending.c
@@ -40,8 +40,7 @@ sigpending (set)
     {
       /* XXX The size argument hopefully will have to be changed to the
 	 real size of the user-level sigset_t.  */
-      int result = __syscall_rt_sigpending (set,
-					    _NSIG / (8 * sizeof (long int)));
+      int result = __syscall_rt_sigpending (set, _NSIG / 8);
 
       if (result >= 0 || errno != ENOSYS)
 	return result;
diff --git a/sysdeps/unix/sysv/linux/sigprocmask.c b/sysdeps/unix/sysv/linux/sigprocmask.c
index f436ba8f2c..dc262c88f4 100644
--- a/sysdeps/unix/sysv/linux/sigprocmask.c
+++ b/sysdeps/unix/sysv/linux/sigprocmask.c
@@ -41,8 +41,7 @@ __sigprocmask (how, set, oset)
     {
       /* XXX The size argument hopefully will have to be changed to the
 	 real size of the user-level sigset_t.  */
-      int result = __syscall_rt_sigprocmask (how, set, oset,
-					     _NSIG / (8 * sizeof (long int)));
+      int result = __syscall_rt_sigprocmask (how, set, oset, _NSIG / 8);
 
       if (result >= 0 || errno != ENOSYS)
 	return result;
diff --git a/sysdeps/unix/sysv/linux/sigreturn.c b/sysdeps/unix/sysv/linux/sigreturn.c
index ecef3d67ad..540dfdf388 100644
--- a/sysdeps/unix/sysv/linux/sigreturn.c
+++ b/sysdeps/unix/sysv/linux/sigreturn.c
@@ -38,8 +38,7 @@ __sigreturn (scp)
     {
       /* XXX The size argument hopefully will have to be changed to the
 	 real size of the user-level sigset_t.  */
-      int result = __syscall_rt_sigreturn (scp,
-					   _NSIG / (8 * sizeof (long int)));
+      int result = __syscall_rt_sigreturn (scp, _NSIG / 8);
 
       if (result >= 0 || errno != ENOSYS)
 	return result;
diff --git a/sysdeps/unix/sysv/linux/sigsuspend.c b/sysdeps/unix/sysv/linux/sigsuspend.c
index faea1c35e1..2cf34eb9b1 100644
--- a/sysdeps/unix/sysv/linux/sigsuspend.c
+++ b/sysdeps/unix/sysv/linux/sigsuspend.c
@@ -21,7 +21,7 @@
 #include <unistd.h>
 
 extern int __syscall_sigsuspend (int, unsigned long int, unsigned long int);
-extern int __syscall_rt_sigsuspend (sigset_t *, size_t);
+extern int __syscall_rt_sigsuspend (const sigset_t *, size_t);
 
 
 /* The variable is shared between all wrappers around signal handling
@@ -40,8 +40,7 @@ __sigsuspend (set)
     {
       /* XXX The size argument hopefully will have to be changed to the
 	 real size of the user-level sigset_t.  */
-      int result = __syscall_rt_sigsuspend (set,
-					    _NSIG / (8 * sizeof (long int)));
+      int result = __syscall_rt_sigsuspend (set, _NSIG / 8);
 
       if (result >= 0 || errno != ENOSYS)
 	return result;
diff --git a/sysdeps/unix/sysv/linux/sigtimedwait.c b/sysdeps/unix/sysv/linux/sigtimedwait.c
index b022ec35f7..90854c64d9 100644
--- a/sysdeps/unix/sysv/linux/sigtimedwait.c
+++ b/sysdeps/unix/sysv/linux/sigtimedwait.c
@@ -31,7 +31,6 @@ __sigtimedwait (set, info, timeout)
 {
   /* XXX The size argument hopefully will have to be changed to the
      real size of the user-level sigset_t.  */
-  return __syscall_rt_sigtimedwait (set, info, timeout,
-				    _NSIG / (8 * sizeof (long int)));
+  return __syscall_rt_sigtimedwait (set, info, timeout, _NSIG / 8);
 }
 weak_alias (__sigtimedwait, sigtimedwait)
diff --git a/sysdeps/unix/sysv/linux/sigwaitinfo.c b/sysdeps/unix/sysv/linux/sigwaitinfo.c
index ac98fb46e0..5f41ba054b 100644
--- a/sysdeps/unix/sysv/linux/sigwaitinfo.c
+++ b/sysdeps/unix/sysv/linux/sigwaitinfo.c
@@ -30,7 +30,6 @@ __sigwaitinfo (set, info)
 {
   /* XXX The size argument hopefully will have to be changed to the
      real size of the user-level sigset_t.  */
-  return __syscall_rt_sigtimedwait (set, info, NULL,
-				    _NSIG / (8 * sizeof (long int)));
+  return __syscall_rt_sigtimedwait (set, info, NULL, _NSIG / 8);
 }
 weak_alias (__sigwaitinfo, sigwaitinfo)
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index 08dceca3f6..ed760af2ab 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -35,13 +35,13 @@ pipe		-	pipe		1	__pipe		pipe
 prctl		EXTRA	prctl		5	prctl
 query_module	EXTRA	query_module	5	query_module
 quotactl	EXTRA	quotactl	4	quotactl
-rt_sigaction	sigaction	rt_sigaction	4	__syscall_rt_sigaction
-rt_sigpending	sigpendding	rt_sigpending	2	__syscall_rt_sigpending
-rt_sigprocmask	sigprocmask	rt_sigprocmask	4	__syscall_rt_sigprocmask
-rt_sigqueueinfo	sigqueue	rt_sigqueueinfo	3	__syscall_rt_sigqueueinfo
-rt_sigreturn	sigreturn	rt_sigreturn	1	__syscall_rt_sigreturn
-rt_sigsuspend	sigsuspend	rt_sigsuspend	2	__syscall_rt_sigsuspend
-rt_sigtimedwait	sigtimedwait	rt_sigtimedwait	4	__syscall_rt_sigtimedwait
+rt_sigaction	-	rt_sigaction	4	__syscall_rt_sigaction
+rt_sigpending	-	rt_sigpending	2	__syscall_rt_sigpending
+rt_sigprocmask	-	rt_sigprocmask	4	__syscall_rt_sigprocmask
+rt_sigqueueinfo	-	rt_sigqueueinfo	3	__syscall_rt_sigqueueinfo
+rt_sigreturn	-	rt_sigreturn	1	__syscall_rt_sigreturn
+rt_sigsuspend	-	rt_sigsuspend	2	__syscall_rt_sigsuspend
+rt_sigtimedwait	-	rt_sigtimedwait	4	__syscall_rt_sigtimedwait
 s_getdents	EXTRA	getdents	3	__getdents
 s_getpriority	getpriority getpriority	2	__syscall_getpriority
 s_poll		poll	poll		3	__syscall_poll
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-07-13 23:32:16 +0000