Hide internal __fopen_maybe_mmap function [BZ #18822]

Hide internal __fopen_maybe_mmap function to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * libio/iolibio.h (__fopen_maybe_mmap): Add attribute_hidden.
9 years ago · 6036fc38bf
2 changed files with 6 additions and 1 deletions
--- a/5
+++ b/5
@ -1,3 +1,8 @@
+2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #18822]
+	* libio/iolibio.h (__fopen_maybe_mmap): Add attribute_hidden.
+
 2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>

 	[BZ #18822]
--- a/libio/iolibio.h
+++ b/libio/iolibio.h
@ -25,7 +25,7 @@ extern _IO_FILE *_IO_new_fopen (const char*, const char*);
 extern _IO_FILE *_IO_fopen64 (const char*, const char*);
 extern _IO_FILE *__fopen_internal (const char*, const char*, int)
 	attribute_hidden;
-extern _IO_FILE *__fopen_maybe_mmap (_IO_FILE *) __THROW;
+extern _IO_FILE *__fopen_maybe_mmap (_IO_FILE *) __THROW attribute_hidden;
 extern int _IO_fprintf (_IO_FILE*, const char*, ...);
 extern int _IO_fputs (const char*, _IO_FILE*);
 libc_hidden_proto (_IO_fputs)