From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D72CC4708F for ; Tue, 1 Jun 2021 15:15:01 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F14D561375 for ; Tue, 1 Jun 2021 15:15:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F14D561375 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:47084 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lo66e-0004GY-0B for qemu-devel@archiver.kernel.org; Tue, 01 Jun 2021 11:15:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36558) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lo5tj-0002QK-71 for qemu-devel@nongnu.org; Tue, 01 Jun 2021 11:01:40 -0400 Received: from mail-il1-x132.google.com ([2607:f8b0:4864:20::132]:34351) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lo5tR-0002Z3-DD for qemu-devel@nongnu.org; Tue, 01 Jun 2021 11:01:35 -0400 Received: by mail-il1-x132.google.com with SMTP id r6so5806706ilj.1 for ; Tue, 01 Jun 2021 08:01:20 -0700 (PDT) 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=DGXYKNDV9/lh8TvEGXUsyNae6Hz4bWl+qL6E8ihe2JY=; b=SAFxZFZcnxc6elWia6CUYBgxt4Q9RHqmp5cmKJIMr140j3ALOZUdCztmAHa+5sJjHY hQRoim6HpKmN3Hn54hgQzN4PXPgFHV5smvdtgWQfVYgtx4TcRVEJVSWBU/W6Ee9I4TnF j5xL1Dz6nAmwEICxG/S/GBzfLuMz0dJQfP534avN6S7cJhtrEC9BLeNY39grxlahM1tK gGXGqvuN0gXyK+n5V81aet0tPeikswQke7+caAs2LHQvOodB4Me/t0ZDGUGIN4n+iQ1h 6j0kCjDzw747RxqLJ4EnaSAUo09dZkUnXxSaNkRUzRQcnDfrlRsu8aWjybIQ40Gzvy8Z KKSg== 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=DGXYKNDV9/lh8TvEGXUsyNae6Hz4bWl+qL6E8ihe2JY=; b=PDEv+0H5nTiMfc96kZpbkA9/aHetGSd2pJuFNwn7NnxAnkDKMN5A/wN+Ie/lzyiIw7 +nDMXdFK8Vl72rzutdHyd8EfrpyewkHKW4ztPdq/rgdJuDoZIugnVIgfN58gvHoolXQ6 G5GBV34CCcw77N/j8lDrjy2ZjbAp/9oUF3372saX0M+FI+4qn4vPzourA3O72y515uvS Fp1da9RYZgVNZfuJkVCy2nTxGYE3U46ZjHm6hEB9aXAtV+6098YDKXQwjLMAAJJSJva2 pjkX9KjXaFzeN/NYvb2amyA9kQwv1kBltRWOpgjE5eBA1HULOFhS2SJXGfZs+Njel8Sk YBAQ== X-Gm-Message-State: AOAM532mWYITHrso5RjdYwf8vhwPeIF5bhW/kFzvHn7zSOro0+yRx+XL cd0y37Ey3au6dhEciynlzUsUOett9cO0CrEW X-Google-Smtp-Source: ABdhPJwTduGReqMx6QsYISXuGBa3YwNFRbuxP1hNI0VT4ELvGmyen9+KnMCYWhxsr0zRhoYCOrixsA== X-Received: by 2002:a05:6e02:52e:: with SMTP id h14mr10891289ils.11.1622559680311; Tue, 01 Jun 2021 08:01:20 -0700 (PDT) Received: from localhost.localdomain ([2607:fb90:806c:3e8a:9cf0:b3be:5e07:b99f]) by smtp.gmail.com with ESMTPSA id f8sm4109909ilj.37.2021.06.01.08.01.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Jun 2021 08:01:20 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v7 08/27] tcg: Build ffi data structures for helpers Date: Tue, 1 Jun 2021 08:00:47 -0700 Message-Id: <20210601150106.12761-9-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210601150106.12761-1-richard.henderson@linaro.org> References: <20210601150106.12761-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::132; envelope-from=richard.henderson@linaro.org; helo=mail-il1-x132.google.com 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=unavailable 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: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add libffi as a build requirement for TCI. Add libffi to the dockerfiles to satisfy that requirement. Construct an ffi_cif structure for each unique typemask. Record the result in a separate hash table for later lookup; this allows helper_table to stay const. Tested-by: Philippe Mathieu-Daudé Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- meson.build | 9 ++- tcg/tcg.c | 58 +++++++++++++++++++ tests/docker/dockerfiles/alpine.docker | 1 + tests/docker/dockerfiles/centos7.docker | 1 + tests/docker/dockerfiles/centos8.docker | 1 + tests/docker/dockerfiles/debian10.docker | 1 + .../dockerfiles/fedora-i386-cross.docker | 1 + .../dockerfiles/fedora-win32-cross.docker | 1 + .../dockerfiles/fedora-win64-cross.docker | 1 + tests/docker/dockerfiles/fedora.docker | 1 + tests/docker/dockerfiles/ubuntu.docker | 1 + tests/docker/dockerfiles/ubuntu1804.docker | 1 + tests/docker/dockerfiles/ubuntu2004.docker | 1 + 13 files changed, 77 insertions(+), 1 deletion(-) diff --git a/meson.build b/meson.build index a45f1a844f..c2f36171ea 100644 --- a/meson.build +++ b/meson.build @@ -1958,7 +1958,14 @@ specific_ss.add(when: 'CONFIG_TCG', if_true: files( 'tcg/tcg-op.c', 'tcg/tcg.c', )) -specific_ss.add(when: 'CONFIG_TCG_INTERPRETER', if_true: files('tcg/tci.c')) + +if get_option('tcg_interpreter') + libffi = dependency('libffi', version: '>=3.0', + static: enable_static, method: 'pkg-config', + required: true) + specific_ss.add(libffi) + specific_ss.add(files('tcg/tci.c')) +endif # Work around a gcc bug/misfeature wherein constant propagation looks # through an alias: diff --git a/tcg/tcg.c b/tcg/tcg.c index 205b2b7106..3df29417c3 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -65,6 +65,10 @@ #include "exec/log.h" #include "internal.h" +#ifdef CONFIG_TCG_INTERPRETER +#include +#endif + /* Forward declarations for functions declared in tcg-target.c.inc and used here. */ static void tcg_target_init(TCGContext *s); @@ -1091,6 +1095,19 @@ static const TCGHelperInfo all_helpers[] = { }; static GHashTable *helper_table; +#ifdef CONFIG_TCG_INTERPRETER +static GHashTable *ffi_table; + +static ffi_type * const typecode_to_ffi[8] = { + [dh_typecode_void] = &ffi_type_void, + [dh_typecode_i32] = &ffi_type_uint32, + [dh_typecode_s32] = &ffi_type_sint32, + [dh_typecode_i64] = &ffi_type_uint64, + [dh_typecode_s64] = &ffi_type_sint64, + [dh_typecode_ptr] = &ffi_type_pointer, +}; +#endif + static int indirect_reg_alloc_order[ARRAY_SIZE(tcg_target_reg_alloc_order)]; static void process_op_defs(TCGContext *s); static TCGTemp *tcg_global_reg_new_internal(TCGContext *s, TCGType type, @@ -1133,6 +1150,47 @@ void tcg_context_init(TCGContext *s) (gpointer)&all_helpers[i]); } +#ifdef CONFIG_TCG_INTERPRETER + /* g_direct_hash/equal for direct comparisons on uint32_t. */ + ffi_table = g_hash_table_new(NULL, NULL); + for (i = 0; i < ARRAY_SIZE(all_helpers); ++i) { + struct { + ffi_cif cif; + ffi_type *args[]; + } *ca; + uint32_t typemask = all_helpers[i].typemask; + gpointer hash = (gpointer)(uintptr_t)typemask; + ffi_status status; + int nargs; + + if (g_hash_table_lookup(ffi_table, hash)) { + continue; + } + + /* Ignoring the return type, find the last non-zero field. */ + nargs = 32 - clz32(typemask >> 3); + nargs = DIV_ROUND_UP(nargs, 3); + + ca = g_malloc0(sizeof(*ca) + nargs * sizeof(ffi_type *)); + ca->cif.rtype = typecode_to_ffi[typemask & 7]; + ca->cif.nargs = nargs; + + if (nargs != 0) { + ca->cif.arg_types = ca->args; + for (i = 0; i < nargs; ++i) { + int typecode = extract32(typemask, (i + 1) * 3, 3); + ca->args[i] = typecode_to_ffi[typecode]; + } + } + + status = ffi_prep_cif(&ca->cif, FFI_DEFAULT_ABI, nargs, + ca->cif.rtype, ca->cif.arg_types); + assert(status == FFI_OK); + + g_hash_table_insert(ffi_table, hash, (gpointer)&ca->cif); + } +#endif + tcg_target_init(s); process_op_defs(s); diff --git a/tests/docker/dockerfiles/alpine.docker b/tests/docker/dockerfiles/alpine.docker index 7eeecacc46..7e6997e301 100644 --- a/tests/docker/dockerfiles/alpine.docker +++ b/tests/docker/dockerfiles/alpine.docker @@ -22,6 +22,7 @@ ENV PACKAGES \ libaio-dev \ libbpf-dev \ libcap-ng-dev \ + libffi-dev \ libjpeg-turbo-dev \ libnfs-dev \ libpng-dev \ diff --git a/tests/docker/dockerfiles/centos7.docker b/tests/docker/dockerfiles/centos7.docker index 75fdb53c7c..fff7c5a424 100644 --- a/tests/docker/dockerfiles/centos7.docker +++ b/tests/docker/dockerfiles/centos7.docker @@ -20,6 +20,7 @@ ENV PACKAGES \ libaio-devel \ libepoxy-devel \ libfdt-devel \ + libffi-devel \ libgcrypt-devel \ librdmacm-devel \ libzstd-devel \ diff --git a/tests/docker/dockerfiles/centos8.docker b/tests/docker/dockerfiles/centos8.docker index efc1349cc8..03e0440e03 100644 --- a/tests/docker/dockerfiles/centos8.docker +++ b/tests/docker/dockerfiles/centos8.docker @@ -17,6 +17,7 @@ ENV PACKAGES \ libbpf-devel \ libepoxy-devel \ libfdt-devel \ + libffi-devel \ libgcrypt-devel \ lzo-devel \ make \ diff --git a/tests/docker/dockerfiles/debian10.docker b/tests/docker/dockerfiles/debian10.docker index 63cf835ec5..4ffe47671e 100644 --- a/tests/docker/dockerfiles/debian10.docker +++ b/tests/docker/dockerfiles/debian10.docker @@ -26,6 +26,7 @@ RUN apt update && \ gdb-multiarch \ gettext \ git \ + libffi-dev \ libncurses5-dev \ ninja-build \ pkg-config \ diff --git a/tests/docker/dockerfiles/fedora-i386-cross.docker b/tests/docker/dockerfiles/fedora-i386-cross.docker index 66cdb06c19..8004fd8ee5 100644 --- a/tests/docker/dockerfiles/fedora-i386-cross.docker +++ b/tests/docker/dockerfiles/fedora-i386-cross.docker @@ -6,6 +6,7 @@ ENV PACKAGES \ findutils \ gcc \ git \ + libffi-devel.i686 \ libtasn1-devel.i686 \ libzstd-devel.i686 \ make \ diff --git a/tests/docker/dockerfiles/fedora-win32-cross.docker b/tests/docker/dockerfiles/fedora-win32-cross.docker index 3733df63e9..a638afb525 100644 --- a/tests/docker/dockerfiles/fedora-win32-cross.docker +++ b/tests/docker/dockerfiles/fedora-win32-cross.docker @@ -19,6 +19,7 @@ ENV PACKAGES \ mingw32-gmp \ mingw32-gnutls \ mingw32-gtk3 \ + mingw32-libffi \ mingw32-libjpeg-turbo \ mingw32-libpng \ mingw32-libtasn1 \ diff --git a/tests/docker/dockerfiles/fedora-win64-cross.docker b/tests/docker/dockerfiles/fedora-win64-cross.docker index 2564ce4979..f53007ac86 100644 --- a/tests/docker/dockerfiles/fedora-win64-cross.docker +++ b/tests/docker/dockerfiles/fedora-win64-cross.docker @@ -18,6 +18,7 @@ ENV PACKAGES \ mingw64-glib2 \ mingw64-gmp \ mingw64-gtk3 \ + mingw64-libffi \ mingw64-libjpeg-turbo \ mingw64-libpng \ mingw64-libtasn1 \ diff --git a/tests/docker/dockerfiles/fedora.docker b/tests/docker/dockerfiles/fedora.docker index 0979c0e1f4..00cac5d61c 100644 --- a/tests/docker/dockerfiles/fedora.docker +++ b/tests/docker/dockerfiles/fedora.docker @@ -33,6 +33,7 @@ ENV PACKAGES \ libepoxy-devel \ libfdt-devel \ libbpf-devel \ + libffi-devel \ libiscsi-devel \ libjpeg-devel \ libpmem-devel \ diff --git a/tests/docker/dockerfiles/ubuntu.docker b/tests/docker/dockerfiles/ubuntu.docker index 98a527361c..24d1647a65 100644 --- a/tests/docker/dockerfiles/ubuntu.docker +++ b/tests/docker/dockerfiles/ubuntu.docker @@ -28,6 +28,7 @@ ENV PACKAGES \ libdrm-dev \ libepoxy-dev \ libfdt-dev \ + libffi-dev \ libgbm-dev \ libgnutls28-dev \ libgtk-3-dev \ diff --git a/tests/docker/dockerfiles/ubuntu1804.docker b/tests/docker/dockerfiles/ubuntu1804.docker index c0d3642507..2f1ec7c42b 100644 --- a/tests/docker/dockerfiles/ubuntu1804.docker +++ b/tests/docker/dockerfiles/ubuntu1804.docker @@ -16,6 +16,7 @@ ENV PACKAGES \ libdrm-dev \ libepoxy-dev \ libfdt-dev \ + libffi-dev \ libgbm-dev \ libgtk-3-dev \ libibverbs-dev \ diff --git a/tests/docker/dockerfiles/ubuntu2004.docker b/tests/docker/dockerfiles/ubuntu2004.docker index f1e0ebad49..fe993fe2a3 100644 --- a/tests/docker/dockerfiles/ubuntu2004.docker +++ b/tests/docker/dockerfiles/ubuntu2004.docker @@ -19,6 +19,7 @@ ENV PACKAGES flex bison \ libdrm-dev \ libepoxy-dev \ libfdt-dev \ + libffi-dev \ libgbm-dev \ libgtk-3-dev \ libibverbs-dev \ -- 2.25.1