perf annotate: Parse call targets earlier
No need to do it everytime the user presses enter/-> on a call instruction. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-ybgss44m5ycry8mk7b1qdbre@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -266,11 +266,10 @@ static bool annotate_browser__callq(struct annotate_browser *browser,
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struct symbol *target;
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u64 ip;
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if (strcmp(dl->name, "callq"))
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if (!ins__is_call(dl->ins))
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return false;
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ip = strtoull(dl->operands, NULL, 16);
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ip = ms->map->map_ip(ms->map, ip);
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ip = ms->map->map_ip(ms->map, dl->target);
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target = map__find_symbol(ms->map, ip, NULL);
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if (target == NULL) {
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ui_helpline__puts("The called function was not found.");
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@ -318,7 +317,7 @@ static bool annotate_browser__jump(struct annotate_browser *browser)
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struct disasm_line *dl = browser->selection;
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s64 idx;
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if (!dl->ins || !ins__is_jump(dl->ins))
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if (!ins__is_jump(dl->ins))
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return false;
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dl = annotate_browser__find_offset(browser, dl->target, &idx);
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@ -556,7 +555,8 @@ show_help:
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ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
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else if (self->selection->offset == -1)
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ui_helpline__puts("Actions are only available for assembly lines.");
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else if (!(annotate_browser__jump(self) ||
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else if (!self->selection->ins ||
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!(annotate_browser__jump(self) ||
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annotate_browser__callq(self, evidx, timer, arg, delay_secs)))
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ui_helpline__puts("Actions are only available for the 'callq' and jump instructions.");
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continue;
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@ -18,6 +18,21 @@
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const char *disassembler_style;
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static int call_ops__parse_target(const char *operands, u64 *target)
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{
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*target = strtoull(operands, NULL, 16);
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return 0;
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}
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static struct ins_ops call_ops = {
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.parse_target = call_ops__parse_target,
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};
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bool ins__is_call(const struct ins *ins)
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{
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return ins->ops == &call_ops;
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}
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static int jump_ops__parse_target(const char *operands, u64 *target)
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{
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const char *s = strchr(operands, '+');
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@ -38,11 +53,12 @@ bool ins__is_jump(const struct ins *ins)
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return ins->ops == &jump_ops;
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}
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/*
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* Must be sorted by name!
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*/
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static struct ins instructions[] = {
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{ .name = "call", .ops = &call_ops, },
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{ .name = "callq", .ops = &call_ops, },
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{ .name = "ja", .ops = &jump_ops, },
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{ .name = "je", .ops = &jump_ops, },
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{ .name = "jmp", .ops = &jump_ops, },
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@ -17,6 +17,7 @@ struct ins {
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};
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bool ins__is_jump(const struct ins *ins);
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bool ins__is_call(const struct ins *ins);
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struct disasm_line {
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struct list_head node;
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