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authorH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:10:12 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:10:27 -0700
commit8345a76018851ba52e05216e3d7c772e24d5da44 (patch)
tree721429a6743345f134c49961c3a0459560d16e08 /include/argp.h
parentc26dd7c600a2192d031efa2a0fb28b1ded85bf1d (diff)
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Mark internal argp functions with attribute_hidden [BZ #18822]
Mark internal argp functions with attribute_hidden to allow direct
access to them within libc.so and libc.a without using GOT nor PLT.

	[BZ #18822]
	* argp/argp-fmtstream.c: Include <argp-fmtstream.h>.
	* argp/argp-fs-xinl.c: Likewise.
	* argp/argp-help.c: Include <argp.h> and <argp-fmtstream.h>.
	* argp/argp-parse.c: Include <argp.h>.
	* argp/argp-xinl.c: Likewise.
	* include/argp-fmtstream.h: New file.
	* include/argp.h (__argp_error): Add attribute_hidden.
	(__argp_failure): Likewise.
	(__argp_input): Likewise.
	(__argp_state_help): Likewise.
Diffstat (limited to 'include/argp.h')
-rw-r--r--include/argp.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/argp.h b/include/argp.h
index 92be5f90f1..6cf8782060 100644
--- a/include/argp.h
+++ b/include/argp.h
@@ -1 +1,11 @@
+#ifndef _ARGP_H
 #include <argp/argp.h>
+
+#ifndef _ISOMAC
+extern __typeof (__argp_error) __argp_error attribute_hidden;
+extern __typeof (__argp_failure) __argp_failure attribute_hidden;
+extern __typeof (__argp_input) __argp_input attribute_hidden;
+extern __typeof (__argp_state_help) __argp_state_help attribute_hidden;
+#endif
+
+#endif