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GNU C Library master sources branch hjl/pr19122 created. glibc-2.22-440-gd9890b0
- From: hjl at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 20 Oct 2015 13:35:06 -0000
- Subject: GNU C Library master sources branch hjl/pr19122 created. glibc-2.22-440-gd9890b0
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The branch, hjl/pr19122 has been created
at d9890b089cf106e22cff5053979ba78ec0376a72 (commit)
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=d9890b089cf106e22cff5053979ba78ec0376a72
commit d9890b089cf106e22cff5053979ba78ec0376a72
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Oct 14 15:21:55 2015 -0700
Mark internal unistd functions hidden in ld.so
Since internal unistd functions are only used internally in ld.so and
libc.so, they can be made hidden. Some functions can't be hidden in
ld.so on Hurd since they will be preempted by the ones in libc.so after
bootstrap.
[BZ #19122]
* include/unistd.h [IS_IN (rtld)]: Include <dl-unistd.h>.
* sysdeps/generic/dl-unistd.h: New file.
* sysdeps/mach/hurd/dl-unistd.h: Likewise.
diff --git a/include/unistd.h b/include/unistd.h
index cb41637..5152f64 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -158,7 +158,7 @@ rtld_hidden_proto (__libc_enable_secure)
/* Various internal function. */
-extern void __libc_check_standard_fds (void);
+extern void __libc_check_standard_fds (void) attribute_hidden;
/* Internal name for fork function. */
@@ -176,6 +176,10 @@ extern int __have_dup3 attribute_hidden;
extern int __getlogin_r_loginuid (char *name, size_t namesize)
attribute_hidden;
+# if IS_IN (rtld)
+# include <dl-unistd.h>
+# endif
+
__END_DECLS
# endif
diff --git a/sysdeps/generic/dl-unistd.h b/sysdeps/generic/dl-unistd.h
new file mode 100644
index 0000000..98da672
--- /dev/null
+++ b/sysdeps/generic/dl-unistd.h
@@ -0,0 +1,30 @@
+/* Functions with hidden attribute internal to ld.so, which are declared
+ in include/unistd.h. Generic version.
+ Copyright (C) 2015 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/>. */
+
+extern __typeof (__access) __access attribute_hidden;
+extern __typeof (__brk) __brk attribute_hidden;
+extern __typeof (__close) __close attribute_hidden;
+extern __typeof (__getcwd) __getcwd attribute_hidden;
+extern __typeof (__getpid) __getpid attribute_hidden;
+extern __typeof (__libc_read) __libc_read attribute_hidden;
+extern __typeof (__libc_write) __libc_write attribute_hidden;
+extern __typeof (__lseek) __lseek attribute_hidden;
+extern __typeof (__profil) __profil attribute_hidden;
+extern __typeof (__read) __read attribute_hidden;
+extern __typeof (__sbrk) __sbrk attribute_hidden;
diff --git a/sysdeps/mach/hurd/dl-unistd.h b/sysdeps/mach/hurd/dl-unistd.h
new file mode 100644
index 0000000..1777a21
--- /dev/null
+++ b/sysdeps/mach/hurd/dl-unistd.h
@@ -0,0 +1,25 @@
+/* Functions with hidden attribute internal to ld.so, which are declared
+ in include/unistd.h. Hurd version.
+ Copyright (C) 2015 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/>. */
+
+extern __typeof (__access) __access attribute_hidden;
+extern __typeof (__brk) __brk attribute_hidden;
+extern __typeof (__lseek) __lseek attribute_hidden;
+extern __typeof (__profil) __profil attribute_hidden;
+extern __typeof (__read) __read attribute_hidden;
+extern __typeof (__sbrk) __sbrk attribute_hidden;
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=569475762b6e2caf8ffd253d48d27a9de7d5622d
commit 569475762b6e2caf8ffd253d48d27a9de7d5622d
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Oct 14 15:14:15 2015 -0700
Mark ld.so internal mmap functions hidden in ld.so
Since ld.so internal mmap functions are only used internally in ld.so,
they can be made hidden. Don't hide __mmap on Hurd, since __mmap in
ld.so will be preempted by the one in libc.so after bootstrap.
[BZ #19122]
* include/sys/mman.h [IS_IN (rtld)]: Include <dl-mman.h>.
* sysdeps/generic/dl-mman.h: New file.
* sysdeps/mach/hurd/dl-mman.h: Likewise.
diff --git a/include/sys/mman.h b/include/sys/mman.h
index fd125ec..7026f69 100644
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -16,6 +16,10 @@ libc_hidden_proto (__madvise)
/* This one is Linux specific. */
extern void *__mremap (void *__addr, size_t __old_len,
size_t __new_len, int __flags, ...);
+
+# if IS_IN (rtld)
+# include <dl-mman.h>
+# endif
#endif
#endif
diff --git a/sysdeps/generic/dl-mman.h b/sysdeps/generic/dl-mman.h
new file mode 100644
index 0000000..9087218
--- /dev/null
+++ b/sysdeps/generic/dl-mman.h
@@ -0,0 +1,22 @@
+/* Functions with hidden attribute internal to ld.so, which are declared
+ in include/sys/mman.h. Generic version.
+ Copyright (C) 2015 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/>. */
+
+extern __typeof (__mmap) __mmap attribute_hidden;
+extern __typeof (__mprotect) __mprotect attribute_hidden;
+extern __typeof (__munmap) __munmap attribute_hidden;
diff --git a/sysdeps/mach/hurd/dl-mman.h b/sysdeps/mach/hurd/dl-mman.h
new file mode 100644
index 0000000..f9d7996
--- /dev/null
+++ b/sysdeps/mach/hurd/dl-mman.h
@@ -0,0 +1,23 @@
+/* Functions with hidden attribute internal to ld.so, which are declared
+ in include/sys/mman.h. Hurd version.
+ Copyright (C) 2015 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/>. */
+
+/* Can't hide __mmap on Hurd, since __mmap in ld.so will be preempted by
+ the one in libc.so after bootstrap. */
+extern __typeof (__mprotect) __mprotect attribute_hidden;
+extern __typeof (__munmap) __munmap attribute_hidden;
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