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authorJackie Huang <jackie.huang@windriver.com>2016-12-14 10:26:13 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-12-16 08:30:02 +0000
commit84ec50e587e7464b260b1b189659b93b6dab0ef6 (patch)
tree1c22f16408c65371a7b8d43c8876a03bc1655998 /meta/recipes-devtools/valgrind
parent944db779a9f45cbeeebc976c00da37a517eea237 (diff)
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valgrind: make ld-XXX.so strlen intercept optional
Hack: Depending on how glibc was compiled (e.g. optimised for size or built with _FORTIFY_SOURCE enabled) the strlen symbol might not be found in ld-XXX.so. Therefore although we should still try to intercept it, don't make it mandatory to do so. Signed-off-by: Jackie Huang <jackie.huang@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/recipes-devtools/valgrind')
-rw-r--r--meta/recipes-devtools/valgrind/valgrind/valgrind-make-ld-XXX.so-strlen-intercept-optional.patch45
-rw-r--r--meta/recipes-devtools/valgrind/valgrind_3.12.0.bb1
2 files changed, 46 insertions, 0 deletions
diff --git a/meta/recipes-devtools/valgrind/valgrind/valgrind-make-ld-XXX.so-strlen-intercept-optional.patch b/meta/recipes-devtools/valgrind/valgrind/valgrind-make-ld-XXX.so-strlen-intercept-optional.patch
new file mode 100644
index 0000000000..d04297dca8
--- /dev/null
+++ b/meta/recipes-devtools/valgrind/valgrind/valgrind-make-ld-XXX.so-strlen-intercept-optional.patch
@@ -0,0 +1,45 @@
+From 005bd11809a1ce65e9f2c28e884354a4741650b9 Mon Sep 17 00:00:00 2001
+From: Andre McCurdy <armccurdy@gmail.com>
+Date: Tue, 13 Dec 2016 11:29:55 +0800
+Subject: [PATCH] make ld-XXX.so strlen intercept optional
+
+Hack: Depending on how glibc was compiled (e.g. optimised for size or
+built with _FORTIFY_SOURCE enabled) the strlen symbol might not be
+found in ld-XXX.so. Therefore although we should still try to
+intercept it, don't make it mandatory to do so.
+
+Upstream-Status: Inappropriate
+
+Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
+Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
+---
+ coregrind/m_redir.c | 13 ++++++++++++-
+ 1 file changed, 12 insertions(+), 1 deletion(-)
+
+diff --git a/coregrind/m_redir.c b/coregrind/m_redir.c
+index ff35009..d7d6816 100644
+--- a/coregrind/m_redir.c
++++ b/coregrind/m_redir.c
+@@ -1275,7 +1275,18 @@ static void add_hardwired_spec (const HChar* sopatt, const HChar* fnpatt,
+ spec->to_addr = to_addr;
+ spec->isWrap = False;
+ spec->isGlobal = False;
+- spec->mandatory = mandatory;
++
++ /* Hack: Depending on how glibc was compiled (e.g. optimised for size or
++ built with _FORTIFY_SOURCE enabled) the strlen symbol might not be found.
++ Therefore although we should still try to intercept it, don't make it
++ mandatory to do so. We over-ride "mandatory" here to avoid the need to
++ patch the many different architecture specific callers to
++ add_hardwired_spec(). */
++ if (0==VG_(strcmp)("strlen", fnpatt))
++ spec->mandatory = NULL;
++ else
++ spec->mandatory = mandatory;
++
+ /* VARIABLE PARTS */
+ spec->mark = False; /* not significant */
+ spec->done = False; /* not significant */
+--
+1.9.1
+
diff --git a/meta/recipes-devtools/valgrind/valgrind_3.12.0.bb b/meta/recipes-devtools/valgrind/valgrind_3.12.0.bb
index 637b723313..9b28d3701e 100644
--- a/meta/recipes-devtools/valgrind/valgrind_3.12.0.bb
+++ b/meta/recipes-devtools/valgrind/valgrind_3.12.0.bb
@@ -22,6 +22,7 @@ SRC_URI = "http://www.valgrind.org/downloads/valgrind-${PV}.tar.bz2 \
file://0001-Remove-tests-that-fail-to-build-on-some-PPC32-config.patch \
file://use-appropriate-march-mcpu-mfpu-for-ARM-test-apps.patch \
file://avoid-neon-for-targets-which-don-t-support-it.patch \
+ file://valgrind-make-ld-XXX.so-strlen-intercept-optional.patch \
"
SRC_URI_append_libc-musl = "\
file://0001-fix-build-for-musl-targets.patch \