Message ID | 20220407230503.1265036-5-irogers@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Thu, 07 Apr 2022 16:05:21 -0700 (PDT) Date: Thu, 7 Apr 2022 16:05:02 -0700 In-Reply-To: <20220407230503.1265036-1-irogers@google.com> Message-Id: <20220407230503.1265036-5-irogers@google.com> Mime-Version: 1.0 References: <20220407230503.1265036-1-irogers@google.com> X-Mailer: git-send-email 2.35.1.1178.g4f1659d476-goog Subject: [PATCH 4/5] perf symbol: By default only fix zero length symbols From: Ian Rogers <irogers@google.com> To: John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>, Mathieu Poirier <mathieu.poirier@linaro.org>, Leo Yan <leo.yan@linaro.org>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Arnaldo Carvalho de Melo <acme@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>, James Clark <james.clark@arm.com>, Alexandre Truong <alexandre.truong@arm.com>, German Gomez <german.gomez@arm.com>, Ian Rogers <irogers@google.com>, Dave Marchevsky <davemarchevsky@fb.com>, Song Liu <songliubraving@fb.com>, Ravi Bangoria <ravi.bangoria@amd.com>, Li Huafei <lihuafei1@huawei.com>, " =?utf-8?q?Martin_Li=C5=A1ka?= " <mliska@suse.cz>, William Cohen <wcohen@redhat.com>, Riccardo Mancini <rickyman7@gmail.com>, Masami Hiramatsu <mhiramat@kernel.org>, Thomas Richter <tmricht@linux.ibm.com>, Lexi Shao <shaolexi@huawei.com>, Remi Bernon <rbernon@codeweavers.com>, Michael Petlan <mpetlan@redhat.com>, Denis Nikitin <denik@chromium.org>, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Stephane Eranian <eranian@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220407_160524_126059_F8930C76 X-CRM114-Status: GOOD ( 14.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
Tidy up symbol end fixup
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expand
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diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 087cdf2a58c9..59c562316d75 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -104,7 +104,8 @@ static int prefix_underscores_count(const char *str) void __weak arch__symbols__fixup_end(struct symbol *p, struct symbol *c, bool is_kernel __maybe_unused) { - if (p->end == p->start || p->end != c->start) + /* If the previous symbol is zero length, make its end the start of the current symbol. */ + if (p->end == p->start) p->end = c->start; }
For architectures without a specific end fixup (ie not arm64, powerpc, s390) only fix up the end of zero length symbols. This reverts the behavior introduced by: https://lore.kernel.org/lkml/20220317135536.805-1-mpetlan@redhat.com/ where non-zero length symbols were expanded to the start of the current symbol. Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/util/symbol.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)