From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f182.google.com (mail-oi1-f182.google.com [209.85.167.182]) (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 129E57FA for ; Sat, 17 Jun 2023 01:49:58 +0000 (UTC) Received: by mail-oi1-f182.google.com with SMTP id 5614622812f47-39a3f165ac5so1085523b6e.3 for ; Fri, 16 Jun 2023 18:49:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1686966598; x=1689558598; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=f0aouI3DdNhfQmp4r40e0gBQGQY2MKk6L0dsEJY5MkQ=; b=J7OeJIZ8wEviVDqIZRl3Bl2hB7vfA673NwmzXNm6f4T7FEcD6i8KGymnPKa8rhhBYr X06AufW+zecDL+TxWQGF+LHMBvwx8YJCTrsTmOz4c4YPozhqSzKa+qwlgvyBtQkZA8rH yPZRdxOuJMswwTCo6hhihrohG+KBjItf0a05mggMxECoUmmzGcaNBrlZdMuY/ru+1feT 7zV29Z8FYCpKqRfBl6MOSOlGJIyM+xBKNotAWdD7haqTcK65spHaQEiwrA5a3ESXyfwB UdsjLvpg27Kxujzzdd0+rTlgEJdgDjCo7bRNJwIKs/YJwlcylIArswWr1gNHHPXCQQ4u vh2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686966598; x=1689558598; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=f0aouI3DdNhfQmp4r40e0gBQGQY2MKk6L0dsEJY5MkQ=; b=G+/eOqZCJYa4q59rYhOq05/i1J8AYlV/Q5BY/uACRYqTv/pm1qyK38UjCeKbKGn26Y 44URxEf0Ft9Uap8bcZaZOrPVQFKJYWnbm72ext1v0QycYLV6ePbw2JWiy1JmmI51OHV1 /3uag/PhheR3HeL4xjWIcyQVNWmGQbrTl46gzZ8EpGMHIibgEbcsbR5tIX9+LaCRaPOY OSnH3iblQ1PTk5YmP0bfulcQ8rEXnfrRx0+3mkCvi+45JR9oZzUeuk/Rbvl2aRKKb4k+ KI1tJwAj5eFL7vHG/GR8giaQww/c8ybiUMfdFaUhGqUDCBmes2Yycj/mxJTr3i/TKGFY 9BSA== X-Gm-Message-State: AC+VfDxCUdvWmkTevABQs/sUv8bX/o4Lp/k6wLW4UbEoM2rli5qW6kvn NyLYG1ie4VqAa/+OshdkOW4= X-Google-Smtp-Source: ACHHUZ6EdQMa4dxT/ZQbdcFF5Q/NvrnVakTMJuCcxJmrEe8+tW5IPfS5UGV69wVFmBIbGGLJ72iZjQ== X-Received: by 2002:a05:6808:188d:b0:39e:5886:3dde with SMTP id bi13-20020a056808188d00b0039e58863ddemr4907310oib.12.1686966597435; Fri, 16 Jun 2023 18:49:57 -0700 (PDT) Received: from sc9-mailhost1.vmware.com (c-24-6-216-183.hsd1.ca.comcast.net. [24.6.216.183]) by smtp.gmail.com with ESMTPSA id 18-20020a17090a031200b0024dfb8271a4sm2114440pje.21.2023.06.16.18.49.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Jun 2023 18:49:56 -0700 (PDT) From: Nadav Amit X-Google-Original-From: Nadav Amit To: Andrew Jones Cc: kvmarm@lists.linux.dev, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, Nikos Nikoleris , Nadav Amit Subject: [kvm-unit-tests PATCH 2/6] lib/stack: print base addresses on efi Date: Sat, 17 Jun 2023 01:49:26 +0000 Message-Id: <20230617014930.2070-3-namit@vmware.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230617014930.2070-1-namit@vmware.com> References: <20230617014930.2070-1-namit@vmware.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Nadav Amit Making sense from dumped stacks when running EFI tests is very hard due to the relocation. Fix it by adjusting the address back to the original address. Signed-off-by: Nadav Amit --- lib/stack.c | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/lib/stack.c b/lib/stack.c index bdb23fd..c3c7c24 100644 --- a/lib/stack.c +++ b/lib/stack.c @@ -6,13 +6,38 @@ */ #include +#include #include #define MAX_DEPTH 20 +#ifdef CONFIG_EFI +extern char _text, _etext; + +static bool base_address(const void *rebased_addr, unsigned long *addr) +{ + unsigned long ra = (unsigned long)rebased_addr; + unsigned long start = (unsigned long)&_text; + unsigned long end = (unsigned long)&_etext; + + if (ra < start || ra >= end) + return false; + + *addr = ra - start; + return true; +} +#else +static bool base_address(const void *rebased_addr, unsigned long *addr) +{ + *addr = (unsigned long)rebased_addr; + return true; +} +#endif + static void print_stack(const void **return_addrs, int depth, bool top_is_return_address) { + unsigned long addr; int i = 0; printf("\tSTACK:"); @@ -20,12 +45,14 @@ static void print_stack(const void **return_addrs, int depth, /* @addr indicates a non-return address, as expected by the stack * pretty printer script. */ if (depth > 0 && !top_is_return_address) { - printf(" @%lx", (unsigned long) return_addrs[0]); + if (base_address(return_addrs[0], &addr)) + printf(" @%lx", addr); i++; } for (; i < depth; i++) { - printf(" %lx", (unsigned long) return_addrs[i]); + if (base_address(return_addrs[i], &addr)) + printf(" %lx", addr); } printf("\n"); } -- 2.34.1