linux-kernel - [tip:perf/urgent] perf symbols: Add fallback definitions for GELF_ST

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Date:   Sat, 9 Feb 2019 04:22:16 -0800
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     acme@...hat.com, alexander.shishkin@...ux.intel.com,
        namhyung@...nel.org, linux-kernel@...r.kernel.org,
        mpetlan@...hat.com, peterz@...radead.org, nickc@...hat.com,
        hpa@...or.com, mhiramat@...nel.org, tglx@...utronix.de,
        jolsa@...nel.org, adrian.hunter@...el.com, mingo@...nel.org
Subject: [tip:perf/urgent] perf symbols: Add fallback definitions for
 GELF_ST_VISIBILITY()

Commit-ID:  843cf70ed29a7fb51f1e796c1d6e1ba3620250ac
Gitweb:     https://git.kernel.org/tip/843cf70ed29a7fb51f1e796c1d6e1ba3620250ac
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Mon, 4 Feb 2019 15:48:03 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 4 Feb 2019 15:50:37 -0300

perf symbols: Add fallback definitions for GELF_ST_VISIBILITY()

Those aren't present in Alpine Linux 3.4 to edge, so provide fallback
defines to get the next patch building there keeping the build
bisectable.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Michael Petlan <mpetlan@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Nick Clifton <nickc@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: https://lkml.kernel.org/n/tip-03cg3gya2ju4ba2x6ibb9fuz@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/symbol-elf.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 66a84d5846c8..695a73940329 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -19,6 +19,20 @@
 #define EM_AARCH64	183  /* ARM 64 bit */
 #endif
 
+#ifndef ELF32_ST_VISIBILITY
+#define ELF32_ST_VISIBILITY(o)	((o) & 0x03)
+#endif
+
+/* For ELF64 the definitions are the same.  */
+#ifndef ELF64_ST_VISIBILITY
+#define ELF64_ST_VISIBILITY(o)	ELF32_ST_VISIBILITY (o)
+#endif
+
+/* How to extract information held in the st_other field.  */
+#ifndef GELF_ST_VISIBILITY
+#define GELF_ST_VISIBILITY(val)	ELF64_ST_VISIBILITY (val)
+#endif
+
 typedef Elf64_Nhdr GElf_Nhdr;
 
 #ifdef HAVE_CPLUS_DEMANGLE_SUPPORT