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[PATCH] Compile tst-prelink.c without PIE [BZ #21815]
- From: "H.J. Lu" <hongjiu dot lu at intel dot com>
- To: GNU C Library <libc-alpha at sourceware dot org>
- Date: Wed, 2 Aug 2017 07:52:55 -0700
- Subject: [PATCH] Compile tst-prelink.c without PIE [BZ #21815]
- Authentication-results: sourceware.org; auth=none
- Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
tst-prelink.c checks for conflict with GLOB_DAT relocation against
stdout. On i386, there is no GLOB_DAT relocation against stdout with
PIE. Compile tst-prelink.c without PIE to generate GLOB_DAT relocation.
Any objections?
H.J.
---
[BZ #21815]
* elf/Makefile (CFLAGS-tst-prelink.c): New.
(LDFLAGS-tst-prelink): Likewise.
---
elf/Makefile | 3 +++
1 file changed, 3 insertions(+)
diff --git a/elf/Makefile b/elf/Makefile
index e758a4c960..d39f4c5665 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -356,6 +356,9 @@ update-all-abi: update-all-abi-ld
ifeq ($(have-glob-dat-reloc),yes)
tests += tst-prelink
+# Don't compile tst-prelink.c with PIE for GLOB_DAT relocation.
+CFLAGS-tst-prelink.c += -fno-pie
+LDFLAGS-tst-prelink = $(no-pie-ldflag)
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-prelink-cmp.out
endif
--
2.13.3