From nobody Fri Dec 19 21:50:45 2025 Received: from mail-yb1-f201.google.com (mail-yb1-f201.google.com [209.85.219.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3456B18CBFE for ; Wed, 22 Jan 2025 06:24:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737527044; cv=none; b=jihIgP36qw2tYC+Oenw2sGhe4QtOrh8p3+KZrBtaUFxLbHhK88p5pkK1YU8Gw+KpAzBtduokJ3TWFt3ylHUC1fOT2CwRJc55ZQvPUfKGHBw6SI1XmX2Tdg0KJTC/+IkPsZbKfWx7HrozOieDF+V3BPBaJA1H9IUHn1B2m2cGhIo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737527044; c=relaxed/simple; bh=Qmq55MBFFDlIdUOT+YCdRI2WTxYpsmxURFZ8UOnIG5k=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=h51IkV8zuuoMtU/YmPg+A4565h11BfQ2H+NQFUfoGeq3xddWdL4msww2QBZ8QnJ1SjI4vRsKk7QaqMsFVv/DrZmhNnkNKUQs/8mRiuSYiWiS+jo7mQz1vXjW1GSkXu2Yqj2Timy+TkKQy46ge/6B8GaA3SMU+n+ew60WM9SWCqY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=OEcwJO/P; arc=none smtp.client-ip=209.85.219.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="OEcwJO/P" Received: by mail-yb1-f201.google.com with SMTP id 3f1490d57ef6-e3a0f608b88so14681854276.0 for ; Tue, 21 Jan 2025 22:24:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1737527042; x=1738131842; darn=vger.kernel.org; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=kWzjT8BGnYGxE3H8fS5inyNnD+mPb+JDTto8cogfHm8=; b=OEcwJO/PcJ7tCjmdFyihQKTJaN5sxCvk7mIuXM2aKP7ArHVL3TWemg1jcgWQouMca/ JM7ZXjPYR88nyOpGvf99pk4JBPbHtxzmIhMNB66zqBXKlcqx1ecBgJze3UjTPMWfMl7r XaXXnOnsytFzllX6bRFYr4nd3A/H2pqF769GaBqVmsep+H/j+Q0JibbkxKPpRBeYCXCo FBPQS2tI1wxEIQZYOGYCaJTvZvjevQQ4RY21JUL8bijKww3iNvuyUd5saq2ihQoWAS+M u6sgTQynzJMoTbThTtdPzSelYcyY0Qp28QiG86/B0KEzNJ7z6ZpO5Gju/QpxHOhZciVA Inhw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1737527042; x=1738131842; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=kWzjT8BGnYGxE3H8fS5inyNnD+mPb+JDTto8cogfHm8=; b=g9kltEAS/i+BLi91u+KC7B9VgnioVrxdvrhs+ORA0c0jAXP6SD15oL+IVEIpZGU6mX 9LwiB0gl4lJ0+9OMfWUh3wXAAoJLn+1c2mMAEUt6eNeyvAPXCzpvfdBAA4k020oe6XAQ lgGWdHWRl1Tz36QkY4CwupK6Jr7ypppFGb2d2IsZoBHofZ7VKqS6/R1xuolPl1N9fblg ggasmEp9c5cwCNeGohXX2eQ4NwuIr9F4VlyJt0XT1MjL8ka/Q7HvooqFYe27B/9QnWPu 1n7Z7mIJzCin9rb2VVFPCQNh8hTKasyFxPjHvJe5olAMl7RAOy9sIamVZuSYmnpD8Plw GewQ== X-Forwarded-Encrypted: i=1; AJvYcCWaYhDpy6etEVs11zJ+sHdp9bbkEGDM4ckeurUNcKF+hZimQ9eIKEkiNLX1tKF2KdpG15FxXWf7bf/1ufw=@vger.kernel.org X-Gm-Message-State: AOJu0YwPdhhj2F7c3P3teOdhXVkscB4i1xvipEGssPKWvyHo+mUKrPQN PsyUq+AulGJoTTJplf+Sg8fKfM42gwUFgShuclB1K5YLpP4G9g62G95SHI3AcVuypZKHr98YTl7 SNmiiZQ== X-Google-Smtp-Source: AGHT+IEkQrVl+S1ecATwU/x39/z+G48tsIZyI5LDZqnLUZLk9fS8HATbtR2ta/8MhmTWSqrSAgqjrw5VZEOC X-Received: from irogers.svl.corp.google.com ([2620:15c:2c5:11:807b:be79:d5c3:ee5c]) (user=irogers job=sendgmr) by 2002:a25:538a:0:b0:e39:91bc:eef5 with SMTP id 3f1490d57ef6-e57b103b91emr42227276.2.1737527042387; Tue, 21 Jan 2025 22:24:02 -0800 (PST) Date: Tue, 21 Jan 2025 22:23:17 -0800 In-Reply-To: <20250122062332.577009-1-irogers@google.com> Message-Id: <20250122062332.577009-3-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250122062332.577009-1-irogers@google.com> X-Mailer: git-send-email 2.48.0.rc2.279.g1de40edade-goog Subject: [PATCH v2 02/17] perf map: Constify objdump offset/address conversion APIs From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Aditya Gupta , "Steinar H. Gunderson" , Charlie Jenkins , Changbin Du , "Masami Hiramatsu (Google)" , James Clark , Kajol Jain , Athira Rajeev , Li Huafei , Dmitry Vyukov , Andi Kleen , Chaitanya S Prakash , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, llvm@lists.linux.dev, Song Liu , bpf@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Make the map argument const as the conversion act won't modify the map and this allows other callers to use a const struct map. Signed-off-by: Ian Rogers --- tools/perf/util/map.c | 19 +++++++++++++++---- tools/perf/util/map.h | 6 +++--- 2 files changed, 18 insertions(+), 7 deletions(-) diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index d729438b7d65..a22a423792d7 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -514,6 +514,8 @@ void srccode_state_free(struct srccode_state *state) state->line =3D 0; } =20 +static const struct kmap *__map__const_kmap(const struct map *map); + /** * map__rip_2objdump - convert symbol start address to objdump address. * @map: memory map @@ -525,9 +527,9 @@ void srccode_state_free(struct srccode_state *state) * * Return: Address suitable for passing to "objdump --start-address=3D" */ -u64 map__rip_2objdump(struct map *map, u64 rip) +u64 map__rip_2objdump(const struct map *map, u64 rip) { - struct kmap *kmap =3D __map__kmap(map); + const struct kmap *kmap =3D __map__const_kmap(map); const struct dso *dso =3D map__dso(map); =20 /* @@ -570,7 +572,7 @@ u64 map__rip_2objdump(struct map *map, u64 rip) * * Return: Memory address. */ -u64 map__objdump_2mem(struct map *map, u64 ip) +u64 map__objdump_2mem(const struct map *map, u64 ip) { const struct dso *dso =3D map__dso(map); =20 @@ -587,7 +589,7 @@ u64 map__objdump_2mem(struct map *map, u64 ip) } =20 /* convert objdump address to relative address. (To be removed) */ -u64 map__objdump_2rip(struct map *map, u64 ip) +u64 map__objdump_2rip(const struct map *map, u64 ip) { const struct dso *dso =3D map__dso(map); =20 @@ -619,6 +621,15 @@ struct kmap *__map__kmap(struct map *map) return (struct kmap *)(&RC_CHK_ACCESS(map)[1]); } =20 +static const struct kmap *__map__const_kmap(const struct map *map) +{ + const struct dso *dso =3D map__dso(map); + + if (!dso || !dso__kernel(dso)) + return NULL; + return (struct kmap *)(&RC_CHK_ACCESS(map)[1]); +} + struct kmap *map__kmap(struct map *map) { struct kmap *kmap =3D __map__kmap(map); diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index 4262f5a143be..768501eec70e 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -133,13 +133,13 @@ static inline u64 map__unmap_ip(const struct map *map= , u64 ip_or_rip) } =20 /* rip/ip <-> addr suitable for passing to `objdump --start-address=3D` */ -u64 map__rip_2objdump(struct map *map, u64 rip); +u64 map__rip_2objdump(const struct map *map, u64 rip); =20 /* objdump address -> memory address */ -u64 map__objdump_2mem(struct map *map, u64 ip); +u64 map__objdump_2mem(const struct map *map, u64 ip); =20 /* objdump address -> rip */ -u64 map__objdump_2rip(struct map *map, u64 ip); +u64 map__objdump_2rip(const struct map *map, u64 ip); =20 struct symbol; struct thread; --=20 2.48.0.rc2.279.g1de40edade-goog