From nobody Wed Feb 11 05:38:05 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1604634781; cv=none; d=zohomail.com; s=zohoarc; b=L+U1mk04UM2PIPKkxoHvbckkrVK/8HrJGBnxLEZU6O9loyFJbqm056qgByQGGJ0RfKLchT0Y1egfDjYzd2DCjhrV/k0Dk+E9FGbrtUyvREqpXO3BKKvR2rwBduFkFEZIBl5ZmtaUSQ5iO8GuxOz5/IulWoM7haJqAz7k9hU4JC0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1604634781; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=9/TRkK1ohPG7NzFVdGar1E3FliGdhxt5t+NNXefLhVw=; b=LUuKLpc0MILP+8jzOlezyPM5DMkKixgvYnefzZi4xRDrUWaccJVtSJJx1AThnh2yMOBWTjH0frTUNAT6WuuDPPw96oRkORSKCTY56ELc5S7w3g5odI+rs5p1vFt5Bq1bqd5L5dq6askR4N+0XAwD7I+UDG4w4FShBwWn6JGIJf4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1604634781329711.7917429757206; Thu, 5 Nov 2020 19:53:01 -0800 (PST) Received: from localhost ([::1]:42702 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kaso8-0004Zp-4Z for importer@patchew.org; Thu, 05 Nov 2020 22:53:00 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:47352) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kasSH-0005gg-3H for qemu-devel@nongnu.org; Thu, 05 Nov 2020 22:30:25 -0500 Received: from mail-pf1-x442.google.com ([2607:f8b0:4864:20::442]:35355) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kasSC-0007Gu-On for qemu-devel@nongnu.org; Thu, 05 Nov 2020 22:30:24 -0500 Received: by mail-pf1-x442.google.com with SMTP id g7so61102pfc.2 for ; Thu, 05 Nov 2020 19:30:18 -0800 (PST) Received: from localhost.localdomain (76-14-210-194.or.wavecable.com. [76.14.210.194]) by smtp.gmail.com with ESMTPSA id i10sm40773pfd.60.2020.11.05.19.30.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Nov 2020 19:30:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=9/TRkK1ohPG7NzFVdGar1E3FliGdhxt5t+NNXefLhVw=; b=mwiMtw+lFgR/O0zFthRkLlkc6VdyBFETItDbjPnbZv5EDLYGkfx7E9IKMknuaghZAE oR2PEuwR6CqcOxU+Ydivn2j6Y0zen0lrIDDnORUR89fAmQX1ken3at/Jfp8lfMaCr9XX IK/G7ZUMoQvzn73Mf4EueRPdnXCA1ui32LSICTMa+x3VKNjBVvNsQ2QEzmsGql6uZM9d SWxNgw6osY3ZwPOVrIPyD3J6sPgExQkpp9LLXb1hMAyCJTQQBgEQ0iMtK/Z5gcJrw+nA Ha3jn/wDT9Iwa3A1NpLxPEnBGFGUhN98jqSc1HIRm6simJIdGOuyGu1dl2Ue40+UgleC kwAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=9/TRkK1ohPG7NzFVdGar1E3FliGdhxt5t+NNXefLhVw=; b=OBX+URQLe+jsVbC5NvlKBwDiKcJnoxKEg00bRmK2Jm9fRrny3xx7AIEus34rQPIFh+ oNGqpurd+wJWsr3oXPJg1iQiXdwgWK2JH5ZVdrpbzgrD2UfmFNeFew8RKUpAtnbQSsSk gkMdIgFidDUy7mHxHznz7K0qBItdMxroItHctFTRw1c7Xnb9HYBCJ/+0BHF5wdnSIFiY 9NG7dMxoep6lwfyqQ8apDD/jq/qM4BWlotiFXq/4K8g5+MkgXvmYu1yjA/B9xfd13zuw z7n9pnBhB++yRTnBlnbhqUoVGQSpxVfARo28QlfNgz9Dex9shkrk21dzPYNT75Na8dmY YkZg== X-Gm-Message-State: AOAM530hP32Y7D2XWOOgcImaoie6VawHHPq7vGQxqix1RmKP3LbGtw6j +DRdJ+tPoaNgoIAy2fcsWAywVV5kfbY/RA== X-Google-Smtp-Source: ABdhPJxYmFL/86db9Ukr4SZl1iUX+UJeI//C8EnzkJI74D167lON3to7kQZMxyiyJ/JPzawOs7PsPA== X-Received: by 2002:a17:90a:c201:: with SMTP id e1mr180377pjt.16.1604633416671; Thu, 05 Nov 2020 19:30:16 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 36/41] tcg/mips: Do not assert on relocation overflow Date: Thu, 5 Nov 2020 19:29:16 -0800 Message-Id: <20201106032921.600200-37-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201106032921.600200-1-richard.henderson@linaro.org> References: <20201106032921.600200-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::442; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x442.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: j@getutm.app Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" This target was not updated with 7ecd02a06f8, and so did not allow re-compilation with relocation overflow. Remove reloc_26 and reloc_26_val as unused. Signed-off-by: Richard Henderson --- tcg/mips/tcg-target.c.inc | 53 ++++++++++++++------------------------- 1 file changed, 19 insertions(+), 34 deletions(-) diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc index 52638e920c..37faf1356c 100644 --- a/tcg/mips/tcg-target.c.inc +++ b/tcg/mips/tcg-target.c.inc @@ -144,29 +144,15 @@ static tcg_insn_unit *bswap32_addr; static tcg_insn_unit *bswap32u_addr; static tcg_insn_unit *bswap64_addr; =20 -static inline uint32_t reloc_pc16_val(tcg_insn_unit *pc, - const tcg_insn_unit *target) +static bool reloc_pc16(tcg_insn_unit *pc, const tcg_insn_unit *target) { /* Let the compiler perform the right-shift as part of the arithmetic.= */ ptrdiff_t disp =3D target - (pc + 1); - tcg_debug_assert(disp =3D=3D (int16_t)disp); - return disp & 0xffff; -} - -static inline void reloc_pc16(tcg_insn_unit *pc, const tcg_insn_unit *targ= et) -{ - *pc =3D deposit32(*pc, 0, 16, reloc_pc16_val(pc, target)); -} - -static inline uint32_t reloc_26_val(tcg_insn_unit *pc, tcg_insn_unit *targ= et) -{ - tcg_debug_assert((((uintptr_t)pc ^ (uintptr_t)target) & 0xf0000000) = =3D=3D 0); - return ((uintptr_t)target >> 2) & 0x3ffffff; -} - -static inline void reloc_26(tcg_insn_unit *pc, tcg_insn_unit *target) -{ - *pc =3D deposit32(*pc, 0, 26, reloc_26_val(pc, target)); + if (disp =3D=3D (int16_t)disp) { + *pc =3D deposit32(*pc, 0, 16, disp); + return true; + } + return false; } =20 static bool patch_reloc(tcg_insn_unit *code_ptr, int type, @@ -174,8 +160,7 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int ty= pe, { tcg_debug_assert(type =3D=3D R_MIPS_PC16); tcg_debug_assert(addend =3D=3D 0); - reloc_pc16(code_ptr, (tcg_insn_unit *)value); - return true; + return reloc_pc16(code_ptr, (const tcg_insn_unit *)value); } =20 #define TCG_CT_CONST_ZERO 0x100 @@ -925,11 +910,7 @@ static void tcg_out_brcond(TCGContext *s, TCGCond cond= , TCGReg arg1, } =20 tcg_out_opc_br(s, b_opc, arg1, arg2); - if (l->has_value) { - reloc_pc16(s->code_ptr - 1, l->u.value_ptr); - } else { - tcg_out_reloc(s, s->code_ptr - 1, R_MIPS_PC16, l, 0); - } + tcg_out_reloc(s, s->code_ptr - 1, R_MIPS_PC16, l, 0); tcg_out_nop(s); } =20 @@ -1316,9 +1297,10 @@ static bool tcg_out_qemu_ld_slow_path(TCGContext *s,= TCGLabelQemuLdst *l) int i; =20 /* resolve label address */ - reloc_pc16(l->label_ptr[0], s->code_ptr); - if (TCG_TARGET_REG_BITS < TARGET_LONG_BITS) { - reloc_pc16(l->label_ptr[1], s->code_ptr); + if (!reloc_pc16(l->label_ptr[0], s->code_ptr) + || (TCG_TARGET_REG_BITS < TARGET_LONG_BITS + && !reloc_pc16(l->label_ptr[1], s->code_ptr))) { + return false; } =20 i =3D 1; @@ -1346,7 +1328,9 @@ static bool tcg_out_qemu_ld_slow_path(TCGContext *s, = TCGLabelQemuLdst *l) } =20 tcg_out_opc_br(s, OPC_BEQ, TCG_REG_ZERO, TCG_REG_ZERO); - reloc_pc16(s->code_ptr - 1, l->raddr); + if (!reloc_pc16(s->code_ptr - 1, l->raddr)) { + return false; + } =20 /* delay slot */ if (TCG_TARGET_REG_BITS =3D=3D 64 && l->type =3D=3D TCG_TYPE_I32) { @@ -1366,9 +1350,10 @@ static bool tcg_out_qemu_st_slow_path(TCGContext *s,= TCGLabelQemuLdst *l) int i; =20 /* resolve label address */ - reloc_pc16(l->label_ptr[0], s->code_ptr); - if (TCG_TARGET_REG_BITS < TARGET_LONG_BITS) { - reloc_pc16(l->label_ptr[1], s->code_ptr); + if (!reloc_pc16(l->label_ptr[0], s->code_ptr) + || (TCG_TARGET_REG_BITS < TARGET_LONG_BITS + && !reloc_pc16(l->label_ptr[1], s->code_ptr))) { + return false; } =20 i =3D 1; --=20 2.25.1