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authorRoland McGrath <roland@gnu.org>2004-10-04 20:59:53 +0000
committerRoland McGrath <roland@gnu.org>2004-10-04 20:59:53 +0000
commit0c70edcbc655bcd740b10ae9ddaa552491c930b1 (patch)
tree35f793496b2c3f4d8953583f8a4b337f7126d256 /sysdeps/generic
parent96c82b3feea4335a2e47d789deb96231b0aef7a0 (diff)
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* include/errno.h [RTLD_PRIVATE_ERRNO] (errno): Rename the real symbol
	to rtld_errno.
	* sysdeps/generic/errno.c [RTLD_PRIVATE_ERRNO] (rtld_errno): Define it,
	and don't define any other errno names.
	* sysdeps/unix/alpha/sysdep.h [RTLD_PRIVATE_ERRNO]: Use rtld_errno in
	place of errno.
	* sysdeps/unix/i386/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
	* sysdeps/unix/x86_64/sysdep.S: Likewise.

	* sysdeps/generic/errno.c [! USE___THREAD] (errno): Use `nocommon'
	attribute instead of `section'.

	are handled by one thread which then hands off the descriptors for the
Diffstat (limited to 'sysdeps/generic')
-rw-r--r--sysdeps/generic/errno.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/sysdeps/generic/errno.c b/sysdeps/generic/errno.c
index 10dbabe762..03d661b717 100644
--- a/sysdeps/generic/errno.c
+++ b/sysdeps/generic/errno.c
@@ -22,24 +22,32 @@
 #include <dl-sysdep.h>
 #undef errno
 
-#if USE___THREAD
+#if RTLD_PRIVATE_ERRNO
+
+/* Code compiled for rtld refers only to this name.  */
+int rtld_errno attribute_hidden;
+
+#elif USE___THREAD
+
 __thread int errno;
 extern __thread int __libc_errno __attribute__ ((alias ("errno")))
   attribute_hidden;
+
 #else
+
 /* This differs from plain `int errno;' in that it doesn't create
    a common definition, but a plain symbol that resides in .bss,
    which can have an alias.  */
-int errno __attribute__ ((section (".bss")));
+int errno __attribute__ ((nocommon));
 strong_alias (errno, _errno)
 
 /* We declare these with compat_symbol so that they are not visible at
    link time.  Programs must use the accessor functions.  RTLD is special,
    since it's not exported from there at any time.  */
-# if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING \
-     && !RTLD_PRIVATE_ERRNO
+# if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING
 #  include <shlib-compat.h>
 compat_symbol (libc, errno, errno, GLIBC_2_0);
 compat_symbol (libc, _errno, _errno, GLIBC_2_0);
 # endif
+
 #endif