Update.

2004-07-05  Ulrich Drepper  <drepper@redhat.com>

	* elf/dl-init.c: Don't define and use _dl_starting_up if
	HAVE_INLINED_SYSCALLS is defined and the variable is not used.
	* elf/dl-support.c: Likewise.
	* elf/rtld.c: Likewise.
	* elf/dl-misc.c (_dl_debug_vdprintf): Use writev syscall directly
	if HAVE_INLINED_SYSCALLS is defined.
	* sysdeps/powerpc/powerpc64/dl-machine.h: Don't rest _dl_starting_up
	here.
	* sysdeps/powerpc/powerpc32/dl-start.S: Likewise.
	* sysdeps/unix/sysv/linux/configure.in: Define HAVE_INLINED_SYSCALLS.
	* config.h.in: Add entry for HAVE_INLINED_SYSCALLS.

	* sysdeps/posix/profil.c: If compiled for ld.so, omit code which
	is needed to stop profiling.
	* elf/dl-open.c (dl_open_worker): If a newly opened object is to be
	profile make sure it cannot be unloaded.

	* sysdeps/unix/sysv/linux/dl-origin.c: Inline readlink syscall.

	* sysdeps/unix/sysv/linux/fcntl.c: If compiled without cancellation
	support, make sure the helper function is inlined.
	* sysdeps/unix/sysv/linux/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c: Likewise.

8 files changed, 38 insertions, 16 deletions

diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
index 8948420..d059143 100644
--- a/sysdeps/unix/sysv/linux/configure
+++ b/sysdeps/unix/sysv/linux/configure
@@ -43,7 +43,6 @@ if test "${libc_cv_linux2010+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
@@ -172,7 +171,6 @@ echo $ECHO_N "checking for kernel header at least $minimum_kernel... $ECHO_C" >&
   decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
   abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
   cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
@@ -379,3 +377,9 @@ ${ac_prefix}/include directory out of the way." >&2;}
 echo "${ECHO_T}ok" >&6
   fi
 fi
+
+# We have inlined syscalls.
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_INLINED_SYSCALLS 1
+_ACEOF
+
diff --git a/sysdeps/unix/sysv/linux/configure.in b/sysdeps/unix/sysv/linux/configure.in
index f0a7fb1..e3fccb4 100644
--- a/sysdeps/unix/sysv/linux/configure.in
+++ b/sysdeps/unix/sysv/linux/configure.in
@@ -305,3 +305,6 @@ ${ac_prefix}/include directory out of the way.])
     AC_MSG_RESULT(ok)
   fi
 fi
+
+# We have inlined syscalls.
+AC_DEFINE(HAVE_INLINED_SYSCALLS)
diff --git a/sysdeps/unix/sysv/linux/dl-origin.c b/sysdeps/unix/sysv/linux/dl-origin.c
index f751234..a7fa53e 100644
--- a/sysdeps/unix/sysv/linux/dl-origin.c
+++ b/sysdeps/unix/sysv/linux/dl-origin.c
@@ -24,6 +24,7 @@
 #include <unistd.h>
 #include <sys/param.h>
 #include <ldsodefs.h>
+#include <sysdep.h>
 
 #include <dl-dst.h>
 
@@ -37,9 +38,11 @@ _dl_get_origin (void)
   char linkval[PATH_MAX];
   char *result;
   int len;
+  INTERNAL_SYSCALL_DECL (err);
 
-  if ((len = __readlink ("/proc/self/exe", linkval, sizeof (linkval))) > 0
-      && linkval[0] != '[')
+  len = INTERNAL_SYSCALL (readlink, err, 3, "/proc/self/exe", linkval,
+			  sizeof (linkval));
+  if (! INTERNAL_SYSCALL_ERROR_P (len, err) && len > 0 && linkval[0] != '[')
     {
       /* We can use this value.  */
       assert (linkval[0] == '/');
diff --git a/sysdeps/unix/sysv/linux/fcntl.c b/sysdeps/unix/sysv/linux/fcntl.c
index a6793bc..ab8d9cf 100644
--- a/sysdeps/unix/sysv/linux/fcntl.c
+++ b/sysdeps/unix/sysv/linux/fcntl.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2002, 2003, 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
@@ -26,6 +26,9 @@
 
 
 int
+#ifdef NO_CANCELLATION
+static inline __attribute ((always_inline))
+#endif
 __fcntl_nocancel (int fd, int cmd, ...)
 {
   va_list ap;
diff --git a/sysdeps/unix/sysv/linux/i386/fcntl.c b/sysdeps/unix/sysv/linux/i386/fcntl.c
index f47d98e..2b3db38 100644
--- a/sysdeps/unix/sysv/linux/i386/fcntl.c
+++ b/sysdeps/unix/sysv/linux/i386/fcntl.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2002, 2003, 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
@@ -32,6 +32,9 @@ int __have_no_fcntl64;
 
 
 int
+#ifdef NO_CANCELLATION
+static inline __attribute ((always_inline))
+#endif
 __fcntl_nocancel (int fd, int cmd, ...)
 {
   va_list ap;
@@ -65,16 +68,15 @@ __fcntl_nocancel (int fd, int cmd, ...)
 	/* Check if we can represent the values with the smaller type.  */
 	if ((off64_t) fl.l_start != fl64->l_start)
 	  {
+	  eoverflow:
 	    __set_errno (EOVERFLOW);
 	    return -1;
 	  }
 	fl.l_len = (off_t) fl64->l_len;
 	/* Check if we can represent the values with the smaller type.  */
 	if ((off64_t) fl.l_len != fl64->l_len)
-	  {
-	    __set_errno (EOVERFLOW);
-	    return -1;
-	  }
+	  goto eoverflow:
+
 	fl.l_type = fl64->l_type;
 	fl.l_whence = fl64->l_whence;
 	fl.l_pid = fl64->l_pid;
@@ -101,10 +103,8 @@ __fcntl_nocancel (int fd, int cmd, ...)
 	fl.l_start = (off_t) fl64->l_start;
 	/* Check if we can represent the values with the smaller type.  */
 	if ((off64_t) fl.l_start != fl64->l_start)
-	  {
-	    __set_errno (EOVERFLOW);
-	    return -1;
-	  }
+	  goto eoverflow:
+
 	fl.l_len = (off_t)fl64->l_len;
 	/* Check if we can represent the values with the smaller type.  */
 	if ((off64_t) fl.l_len != fl64->l_len)
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c
index f629a35..4b60a16 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c
@@ -26,6 +26,9 @@
 
 
 int
+#ifdef NO_CANCELLATION
+static inline __attribute ((always_inline))
+#endif
 __fcntl_nocancel (int fd, int cmd, ...)
 {
   va_list ap;
diff --git a/sysdeps/unix/sysv/linux/pread.c b/sysdeps/unix/sysv/linux/pread.c
index 9e17f1f..90057f3 100644
--- a/sysdeps/unix/sysv/linux/pread.c
+++ b/sysdeps/unix/sysv/linux/pread.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1998,1999,2000,2002,2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2000,2002,2003,2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -44,6 +44,9 @@ static ssize_t __emulate_pread (int fd, void *buf, size_t count,
 
 
 static ssize_t
+#ifdef NO_CANCELLATION
+inline __attribute ((always_inline))
+#endif
 do_pread (int fd, void *buf, size_t count, off_t offset)
 {
   ssize_t result;
diff --git a/sysdeps/unix/sysv/linux/pwrite.c b/sysdeps/unix/sysv/linux/pwrite.c
index 35b6231..f4eb2f5 100644
--- a/sysdeps/unix/sysv/linux/pwrite.c
+++ b/sysdeps/unix/sysv/linux/pwrite.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1998,1999,2000,2002,2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2000,2002,2003,2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -44,6 +44,9 @@ static ssize_t __emulate_pwrite (int fd, const void *buf, size_t count,
 
 
 static ssize_t
+#ifdef NO_CANCELLATION
+inline __attribute ((always_inline))
+#endif
 do_pwrite (int fd, const void *buf, size_t count, off_t offset)
 {
   ssize_t result;