From: Thomas Richter <tmricht@linux.ibm.com>
To: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
acme@kernel.org
Cc: brueckner@linux.ibm.com, gor@linux.ibm.com,
heiko.carstens@de.ibm.com, Thomas Richter <tmricht@linux.ibm.com>
Subject: [PATCH 1/3] perf jvmti: Link against tools/lib/string.h to have weak strlcpy()
Date: Mon, 9 Sep 2019 13:41:14 +0200 [thread overview]
Message-ID: <20190909114116.50469-2-tmricht@linux.ibm.com> (raw)
In-Reply-To: <20190909114116.50469-1-tmricht@linux.ibm.com>
That is needed in systems such some S/390 distros.
[root@m35lp76 perf]# readelf -s jvmti/jvmti-in.o | fgrep strlcpy
408: 0000000000002bc8 216 FUNC WEAK DEFAULT 116 strlcpy
[root@m35lp76 perf]#
Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
---
tools/perf/jvmti/Build | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/tools/perf/jvmti/Build b/tools/perf/jvmti/Build
index eaeb8cb5379b..202cadaaf097 100644
--- a/tools/perf/jvmti/Build
+++ b/tools/perf/jvmti/Build
@@ -1,8 +1,21 @@
jvmti-y += libjvmti.o
jvmti-y += jvmti_agent.o
+# For strlcpy
+jvmti-y += libstring.o libctype.o
+
CFLAGS_jvmti = -fPIC -DPIC -I$(JDIR)/include -I$(JDIR)/include/linux
CFLAGS_REMOVE_jvmti = -Wmissing-declarations
CFLAGS_REMOVE_jvmti += -Wstrict-prototypes
CFLAGS_REMOVE_jvmti += -Wextra
CFLAGS_REMOVE_jvmti += -Wwrite-strings
+
+CFLAGS_libstring.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
+
+$(OUTPUT)jvmti/libstring.o: ../lib/string.c FORCE
+ $(call rule_mkdir)
+ $(call if_changed_dep,cc_o_c)
+
+$(OUTPUT)jvmti/libctype.o: ../lib/ctype.c FORCE
+ $(call rule_mkdir)
+ $(call if_changed_dep,cc_o_c)
--
2.21.0
next prev parent reply other threads:[~2019-09-09 11:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-09 11:41 [PATCH 0/3] perf/java: Add s390 support for jitted JAVA Thomas Richter
2019-09-09 11:41 ` Thomas Richter [this message]
2019-09-09 11:41 ` [PATCH 2/3] perf: Include JVMTI support for s390 Thomas Richter
2019-09-09 11:41 ` [PATCH 3/3] perf/java: Add detection of java-11-openjdk-devel package Thomas Richter
2019-09-24 19:48 ` Arnaldo Carvalho de Melo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190909114116.50469-2-tmricht@linux.ibm.com \
--to=tmricht@linux.ibm.com \
--cc=acme@kernel.org \
--cc=brueckner@linux.ibm.com \
--cc=gor@linux.ibm.com \
--cc=heiko.carstens@de.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-perf-users@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.