From nobody Mon Apr 6 10:45:15 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D0C58388E54; Wed, 4 Mar 2026 07:49:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772610565; cv=none; b=njpO+Axijw1+uW00wYkwr/mvmubVvxydPp6Evsa7zzzQkSAVVzu4RFza1Dk5sb/rkCcklukwBVco8BbDU6bRqxbY13H2vS6rCTWul5kNrp59nxKzW26o3L0wMLQHtQa2idjRZTIow2Qa3PDisgOs4Et2hl+gF2TLOA1W6drHogU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772610565; c=relaxed/simple; bh=vTsakCNMBP/JiyfE0maBlhTpSxLjbgld8L67EO/FYRQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=bhmTrhHLBstqGy7itGX8yte+eCn0ih+en6qSsKKlmh/8nSTRXt9NTvlQm8ZMex6p+3nvtSB5faFQ2IS7cSgusS10HKSPhfc3/u0ky8vaVw+JjKlDeQt+ZkGMt4gK0QmnEOfi7s5jNZdJx2HgnjYEmX6tE34nNutiZsKV+YTV0C4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=OmDeB3oP; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=k8PrD8t7; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="OmDeB3oP"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="k8PrD8t7" From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1772610557; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xrvMf4BjnIv//172y2WecCl7fldL66GRRhNCP6ISZdo=; b=OmDeB3oPYRqS5Pds7LbSMZ82z5frdg/XBQr1OuitHsxauAKnO0Asp7iGdeQHnWpQo09vNP VSo8C6kb2RH3nrWz+XMH1T5TRA2O8nhM/jpjjplbzXVBCEcKjnCp7diG7MCLobQgHX9nMv M9kaZ5phOwVn+feyIaEtnqQiTrqu91jmsLQh+MJYs25cWo89uKRz+EfCE0ENlYVdaGWwom zWd2/fTjiBDv9Mb0sCCd20zl3Y9fodE5Jk/7Hu2HlPI9/OuedL8wxcthP4ZIG65DC8j9jI VnY1wk78wDFRq8fD278zyQq3GfUSl/1/Z1CAGyG2F4iydw8vZ4dtk2U0ZWtncQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1772610557; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xrvMf4BjnIv//172y2WecCl7fldL66GRRhNCP6ISZdo=; b=k8PrD8t7g4T9k1RbBkh+Gnw7tCdz66nLTMnYXtHRhF2IfQiCW8DWn0M/h8FqtwF1XbPrwm OG2YGiSsNZrmK9BQ== Date: Wed, 04 Mar 2026 08:49:09 +0100 Subject: [PATCH v6 12/14] sparc64: vdso2c: Remove symbol handling Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260304-vdso-sparc64-generic-2-v6-12-d8eb3b0e1410@linutronix.de> References: <20260304-vdso-sparc64-generic-2-v6-0-d8eb3b0e1410@linutronix.de> In-Reply-To: <20260304-vdso-sparc64-generic-2-v6-0-d8eb3b0e1410@linutronix.de> To: Andy Lutomirski , Vincenzo Frascino , Arnd Bergmann , "David S. Miller" , Andreas Larsson , Nick Alcock , John Stultz , Stephen Boyd , John Paul Adrian Glaubitz , Shuah Khan , Catalin Marinas , Will Deacon , Theodore Ts'o , "Jason A. Donenfeld" , Russell King , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Shannon Nelson , Thomas Gleixner , Christophe Leroy Cc: linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-s390@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Developer-Signature: v=1; a=ed25519-sha256; t=1772610551; l=3471; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=vTsakCNMBP/JiyfE0maBlhTpSxLjbgld8L67EO/FYRQ=; b=9PH21cG/2X7E36c9qqHa3P/RKp9TuaG7thghoGZ47u6BX1YvcxI9ljMPlO+FV011JY+WVRBkm s6355TnoXWrDzDbxAtEYnvtDiRoMscz/tSTcu8S47SoCwTDr2Fia2cR X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= There are no handled symbols left. Signed-off-by: Thomas Wei=C3=9Fschuh Tested-by: Andreas Larsson Reviewed-by: Andreas Larsson Acked-by: Andreas Larsson --- arch/sparc/vdso/vdso2c.c | 10 ---------- arch/sparc/vdso/vdso2c.h | 41 +---------------------------------------- 2 files changed, 1 insertion(+), 50 deletions(-) diff --git a/arch/sparc/vdso/vdso2c.c b/arch/sparc/vdso/vdso2c.c index 70b14a436fe2..e5c61214a0e2 100644 --- a/arch/sparc/vdso/vdso2c.c +++ b/arch/sparc/vdso/vdso2c.c @@ -58,14 +58,6 @@ =20 const char *outfilename; =20 -struct vdso_sym { - const char *name; - int export; -}; - -struct vdso_sym required_syms[] =3D { -}; - __attribute__((format(printf, 1, 2))) __attribute__((noreturn)) static void fail(const char *format, ...) { @@ -105,8 +97,6 @@ static void fail(const char *format, ...) #define PUT_BE(x, val) \ PBE(x, val, 64, PBE(x, val, 32, PBE(x, val, 16, LAST_PBE(x, val)))) =20 -#define NSYMS ARRAY_SIZE(required_syms) - #define BITSFUNC3(name, bits, suffix) name##bits##suffix #define BITSFUNC2(name, bits, suffix) BITSFUNC3(name, bits, suffix) #define BITSFUNC(name) BITSFUNC2(name, ELF_BITS, ) diff --git a/arch/sparc/vdso/vdso2c.h b/arch/sparc/vdso/vdso2c.h index ba0794659eb5..bad6a0593f4c 100644 --- a/arch/sparc/vdso/vdso2c.h +++ b/arch/sparc/vdso/vdso2c.h @@ -17,11 +17,9 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len, unsigned long mapping_size; int i; unsigned long j; - ELF(Shdr) *symtab_hdr =3D NULL, *strtab_hdr; + ELF(Shdr) *symtab_hdr =3D NULL; ELF(Ehdr) *hdr =3D (ELF(Ehdr) *)raw_addr; ELF(Dyn) *dyn =3D 0, *dyn_end =3D 0; - INT_BITS syms[NSYMS] =3D {}; - ELF(Phdr) *pt =3D (ELF(Phdr) *)(raw_addr + GET_BE(&hdr->e_phoff)); =20 /* Walk the segment table. */ @@ -72,38 +70,6 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len, if (!symtab_hdr) fail("no symbol table\n"); =20 - strtab_hdr =3D raw_addr + GET_BE(&hdr->e_shoff) + - GET_BE(&hdr->e_shentsize) * GET_BE(&symtab_hdr->sh_link); - - /* Walk the symbol table */ - for (i =3D 0; - i < GET_BE(&symtab_hdr->sh_size) / GET_BE(&symtab_hdr->sh_entsize); - i++) { - int k; - - ELF(Sym) *sym =3D raw_addr + GET_BE(&symtab_hdr->sh_offset) + - GET_BE(&symtab_hdr->sh_entsize) * i; - const char *name =3D raw_addr + GET_BE(&strtab_hdr->sh_offset) + - GET_BE(&sym->st_name); - - for (k =3D 0; k < NSYMS; k++) { - if (!strcmp(name, required_syms[k].name)) { - if (syms[k]) { - fail("duplicate symbol %s\n", - required_syms[k].name); - } - - /* - * Careful: we use negative addresses, but - * st_value is unsigned, so we rely - * on syms[k] being a signed type of the - * correct width. - */ - syms[k] =3D GET_BE(&sym->st_value); - } - } - } - if (!name) { fwrite(stripped_addr, stripped_len, 1, outfile); return; @@ -129,10 +95,5 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len, fprintf(outfile, "const struct vdso_image %s_builtin =3D {\n", name); fprintf(outfile, "\t.data =3D raw_data,\n"); fprintf(outfile, "\t.size =3D %lu,\n", mapping_size); - for (i =3D 0; i < NSYMS; i++) { - if (required_syms[i].export && syms[i]) - fprintf(outfile, "\t.sym_%s =3D %" PRIi64 ",\n", - required_syms[i].name, (int64_t)syms[i]); - } fprintf(outfile, "};\n"); } --=20 2.53.0