Commit 0781ea92 authored Nov 18, 2016 by Arnaldo Carvalho de Melo

perf annotate: Allow arches to have a init routine and a priv area

Arches like ARM will want to use regular expressions when deciding what
instructions to associate with what ins_ops, provide infrastructure for
that.

Reviewed-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Chris Riyder <chris.ryder@arm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Taeung Song <treeze.taeung@gmail.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-7dmnk9el2ipu3nxog092k9z5@git.kernel.org

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 2a1ff812

tools/perf/util/annotate.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,9 @@ struct arch {
		size_t nr_instructions_allocated;
		struct ins_ops (associate_instruction_ops)(struct arch arch, const char name);
		bool sorted_instructions;
		bool initialized;
		void *priv;
		int (init)(struct arch arch);
		struct {
		char comment_char;
		char skip_functions_char;
		@@ -1356,6 +1359,14 @@ int symbol__disassemble(struct symbol sym, struct map map, const char *arch_na
		if (arch == NULL)
		return -ENOTSUP;

		if (arch->init) {
		err = arch->init(arch);
		if (err) {
		pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name);
		return err;
		}
		}

		pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
		symfs_filename, sym->name, map->unmap_ip(map, sym->start),
		map->unmap_ip(map, sym->end));