Message ID | 0ac0217b174efcefe772822089e9b64ff8c65da3.1736955567.git.christophe.leroy@csgroup.eu (mailing list archive) |
---|---|
State | Changes Requested |
Headers | show
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Wed, 15 Jan 2025 23:42:52 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase2.c-s.fr (Postfix) with ESMTP id 4YYLcD2Npxz9sRk; Wed, 15 Jan 2025 23:42:52 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 3DCAA8B77A; Wed, 15 Jan 2025 23:42:52 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id AEhSP7Uv2wGL; Wed, 15 Jan 2025 23:42:52 +0100 (CET) Received: from PO20335.idsi0.si.c-s.fr (unknown [192.168.202.221]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 15DC18B774; Wed, 15 Jan 2025 23:42:49 +0100 (CET) From: Christophe Leroy <christophe.leroy@csgroup.eu> To: Josh Poimboeuf <jpoimboe@kernel.org>, Peter Zijlstra <peterz@infradead.org>, Nathan Chancellor <nathan@kernel.org>, Nick Desaulniers <ndesaulniers@google.com>, Bill Wendling <morbo@google.com>, Justin Stitt <justinstitt@google.com>, Julien Thierry <jthierry@redhat.com>, Miroslav Benes <mbenes@suse.cz>, Raphael Gault <raphael.gault@arm.com>, Michael Ellerman <mpe@ellerman.id.au>, Nicholas Piggin <npiggin@gmail.com>, Naveen N Rao <naveen@kernel.org>, Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu>, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, llvm@lists.linux.dev Subject: [PATCH v5 01/15] objtool: Fix generic annotation infrastructure cross build Date: Wed, 15 Jan 2025 23:42:41 +0100 Message-ID: <0ac0217b174efcefe772822089e9b64ff8c65da3.1736955567.git.christophe.leroy@csgroup.eu> X-Mailer: git-send-email 2.47.0 In-Reply-To: <cover.1736955567.git.christophe.leroy@csgroup.eu> References: <cover.1736955567.git.christophe.leroy@csgroup.eu> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: <linuxppc-dev.lists.ozlabs.org> List-Help: <mailto:linuxppc-dev+help@lists.ozlabs.org> List-Owner: <mailto:linuxppc-dev+owner@lists.ozlabs.org> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Archive: <https://lore.kernel.org/linuxppc-dev/>, <https://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Subscribe: <mailto:linuxppc-dev+subscribe@lists.ozlabs.org>, <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>, <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org> List-Unsubscribe: <mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org> MIME-Version: 1.0 X-Developer-Signature: v=1; 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Series |
powerpc/objtool: uaccess validation for PPC32 (v5)
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expand
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diff --git a/tools/objtool/check.c b/tools/objtool/check.c index e92c5564d9ca..129c4e2245ae 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -2272,7 +2272,7 @@ static int read_annotate(struct objtool_file *file, } for_each_reloc(sec->rsec, reloc) { - type = *(u32 *)(sec->data->d_buf + (reloc_idx(reloc) * sec->sh.sh_entsize) + 4); + type = bswap_if_needed(file->elf, *(u32 *)(sec->data->d_buf + (reloc_idx(reloc) * sec->sh.sh_entsize) + 4)); offset = reloc->sym->offset + reloc_addend(reloc); insn = find_insn(file, reloc->sym->sec, offset);
Cross build for powerpc/32 on x86_64 leads to: CC init/main.o init/main.o: warning: objtool: early_randomize_kstack_offset+0xf0: Unknown annotation type: 134217728 init/main.o: warning: objtool: start_kernel+0x4a8: Unknown annotation type: 134217728 init/main.o: warning: objtool: do_one_initcall+0x178: Unknown annotation type: 134217728 Fix byte order. Fixes: 2116b349e29a ("objtool: Generic annotation infrastructure") Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- v5: New in v5 --- tools/objtool/check.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)