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Commit cd67f99f authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

perf symbols: Add dso__last_symbol() 



Add a function to find the last symbol in a DSO. This will be used when
parsing address filters to calculate a region that includes the entire
DSO.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: http://lkml.kernel.org/r/1474641528-18776-7-git-send-email-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 5c01ad60

tools/perf/util/symbol.c

+15 −0
Original line number Diff line number Diff line
@@ -345,6 +345,16 @@ static struct symbol *symbols__first(struct rb_root *symbols) 
	return NULL;

}



static struct symbol *symbols__last(struct rb_root *symbols)

{

	struct rb_node *n = rb_last(symbols);



	if (n)

		return rb_entry(n, struct symbol, rb_node);



	return NULL;

}



static struct symbol *symbols__next(struct symbol *sym)

{

	struct rb_node *n = rb_next(&sym->rb_node);
@@ -466,6 +476,11 @@ struct symbol *dso__first_symbol(struct dso *dso, enum map_type type) 
	return symbols__first(&dso->symbols[type]);

}



struct symbol *dso__last_symbol(struct dso *dso, enum map_type type)

{

	return symbols__last(&dso->symbols[type]);

}



struct symbol *dso__next_symbol(struct symbol *sym)

{

	return symbols__next(sym);

tools/perf/util/symbol.h

+1 −0
Original line number Diff line number Diff line
@@ -259,6 +259,7 @@ struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, 
struct symbol *symbol__next_by_name(struct symbol *sym);



struct symbol *dso__first_symbol(struct dso *dso, enum map_type type);

struct symbol *dso__last_symbol(struct dso *dso, enum map_type type);

struct symbol *dso__next_symbol(struct symbol *sym);



enum dso_type dso__type_fd(int fd);