linux-kernel - [PATCH v2 3/3] lib kallsyms: move hex2u64 out of header

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Message-Id: <20200501221315.54715-4-irogers@google.com>
Date:   Fri,  1 May 2020 15:13:15 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org
Cc:     Stephane Eranian <eranian@...gle.com>,
        Ian Rogers <irogers@...gle.com>
Subject: [PATCH v2 3/3] lib kallsyms: move hex2u64 out of header

hex2u64 is a helper that's out of place in kallsyms.h as not being kallsyms
related. Move from kallsyms.h to the only user.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/lib/symbol/kallsyms.h |  2 --
 tools/perf/util/symbol.c    | 14 ++++++++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/tools/lib/symbol/kallsyms.h b/tools/lib/symbol/kallsyms.h
index bd988f7b18d4..72ab9870454b 100644
--- a/tools/lib/symbol/kallsyms.h
+++ b/tools/lib/symbol/kallsyms.h
@@ -18,8 +18,6 @@ static inline u8 kallsyms2elf_binding(char type)
 	return isupper(type) ? STB_GLOBAL : STB_LOCAL;
 }
 
-int hex2u64(const char *ptr, u64 *long_val);
-
 u8 kallsyms2elf_type(char type);
 
 bool kallsyms__is_function(char symbol_type);
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 8f4300492dc7..381da6b39f89 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -566,6 +566,20 @@ void dso__sort_by_name(struct dso *dso)
 	return symbols__sort_by_name(&dso->symbol_names, &dso->symbols);
 }
 
+/*
+ * While we find nice hex chars, build a long_val.
+ * Return number of chars processed.
+ */
+static int hex2u64(const char *ptr, u64 *long_val)
+{
+	char *p;
+
+	*long_val = strtoull(ptr, &p, 16);
+
+	return p - ptr;
+}
+
+
 int modules__parse(const char *filename, void *arg,
 		   int (*process_module)(void *arg, const char *name,
 					 u64 start, u64 size))
-- 
2.26.2.526.g744177e7f7-goog