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authorArnaldo Carvalho de Melo <acme@redhat.com>2019-06-25 18:13:17 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-06-25 18:13:17 -0300
commit155681fcd7f82882a730240c2dde7eee76a46314 (patch)
tree306d20b2a2740d1f8816f583efd0bce21bb0833d /tools/lib
parentaf41949d9e022f4e37d476505e406c87479862ab (diff)
downloadlinux-155681fcd7f82882a730240c2dde7eee76a46314.tar.bz2
perf kallsyms: Adopt hex2u64 from tools/perf/util/util.h
Just removing more stuff from tools/perf/, this is mostly used in the kallsyms parsing and in places in perf where kallsyms is involved, so we get it for free there. With this we reduce a bit more util.h. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-5mc1zg0jqdwgkn8c358kaba6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/symbol/kallsyms.c13
-rw-r--r--tools/lib/symbol/kallsyms.h2
2 files changed, 15 insertions, 0 deletions
diff --git a/tools/lib/symbol/kallsyms.c b/tools/lib/symbol/kallsyms.c
index 96d830545bbb..7501611abee4 100644
--- a/tools/lib/symbol/kallsyms.c
+++ b/tools/lib/symbol/kallsyms.c
@@ -16,6 +16,19 @@ bool kallsyms__is_function(char symbol_type)
return symbol_type == 'T' || symbol_type == 'W';
}
+/*
+ * While we find nice hex chars, build a long_val.
+ * Return number of chars processed.
+ */
+int hex2u64(const char *ptr, u64 *long_val)
+{
+ char *p;
+
+ *long_val = strtoull(ptr, &p, 16);
+
+ return p - ptr;
+}
+
int kallsyms__parse(const char *filename, void *arg,
int (*process_symbol)(void *arg, const char *name,
char type, u64 start))
diff --git a/tools/lib/symbol/kallsyms.h b/tools/lib/symbol/kallsyms.h
index 72ab9870454b..bd988f7b18d4 100644
--- a/tools/lib/symbol/kallsyms.h
+++ b/tools/lib/symbol/kallsyms.h
@@ -18,6 +18,8 @@ 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);