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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: VI1PR83MB0431.EURPRD83.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: b855eb9c-6141-4a61-68b5-08dc3c71b0e0 X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Mar 2024 17:36:57.6081 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: wzsj7zxqvedCjTapkrMmsgo8TR36WTFyAHLTlSvH9oWbFvbJKLemD/Z/3ncr12N6Dzfqme84jleeQwjlgCjaVw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: GVXPR83MB0607 X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,GIT_PATCH_0,KAM_SHORT,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: From: Zac Walker Date: Fri, 1 Mar 2024 09:56:59 +0100 Subject: [PATCH v2 03/13] aarch64: Mark x18 register as a fixed register fo= r MS ABI Define the MS ABI for aarch64-w64-mingw32. Adjust FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS and STATIC_CHAIN_REGNUM for AArch64 MS ABI. The X18 register is reserved on Windows for the TEB. gcc/ChangeLog: * config.gcc: Define TARGET_AARCH64_MS_ABI when AArch64 MS ABI is used. * config/aarch64/aarch64-abi-ms.h: New file. Adjust FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS and STATIC_CHAIN_REGNUM for AArch64 MS ABI. --- gcc/config.gcc | 1 + gcc/config/aarch64/aarch64-abi-ms.h | 64 +++++++++++++++++++++++++++++ 2 files changed, 65 insertions(+) create mode 100644 gcc/config/aarch64/aarch64-abi-ms.h diff --git a/gcc/config.gcc b/gcc/config.gcc index 2756377e50b..b762393b64c 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -1265,6 +1265,7 @@ aarch64*-*-linux*) TM_MULTILIB_CONFIG=3D`echo $TM_MULTILIB_CONFIG | sed 's/^,//'` ;; aarch64-*-mingw*) + tm_file=3D"${tm_file} aarch64/aarch64-abi-ms.h" tmake_file=3D"${tmake_file} aarch64/t-aarch64" case ${enable_threads} in "" | yes | win32) diff --git a/gcc/config/aarch64/aarch64-abi-ms.h b/gcc/config/aarch64/aarch= 64-abi-ms.h new file mode 100644 index 00000000000..90b0dcc5edf --- /dev/null +++ b/gcc/config/aarch64/aarch64-abi-ms.h @@ -0,0 +1,64 @@ +/* Machine description for AArch64 MS ABI. + Copyright (C) 2024 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +. */ + +#ifndef GCC_AARCH64_ABI_MS_H +#define GCC_AARCH64_ABI_MS_H + +/* X18 reserved for the TEB on Windows. */ + +#undef FIXED_REGISTERS +#define FIXED_REGISTERS \ + { \ + 0, 0, 0, 0, 0, 0, 0, 0, /* R0 - R7. */ \ + 0, 0, 0, 0, 0, 0, 0, 0, /* R8 - R15. */ \ + 0, 0, 1, 0, 0, 0, 0, 0, /* R16 - R23. */ \ + 0, 0, 0, 0, 0, 1, 0, 1, /* R24 - R30, SP. */ \ + 0, 0, 0, 0, 0, 0, 0, 0, /* V0 - V7. */ \ + 0, 0, 0, 0, 0, 0, 0, 0, /* V8 - V15. */ \ + 0, 0, 0, 0, 0, 0, 0, 0, /* V16 - V23. */ \ + 0, 0, 0, 0, 0, 0, 0, 0, /* V24 - V31. */ \ + 1, 1, 1, 1, /* SFP, AP, CC, VG. */ \ + 0, 0, 0, 0, 0, 0, 0, 0, /* P0 - P7. */ \ + 0, 0, 0, 0, 0, 0, 0, 0, /* P8 - P15. */ \ + 1, 1, /* FFR and FFRT. */ \ + 1, 1, 1, 1, 1, 1, 1, 1 /* Fake registers. */ \ + } + +#undef CALL_REALLY_USED_REGISTERS +#define CALL_REALLY_USED_REGISTERS \ + { \ + 1, 1, 1, 1, 1, 1, 1, 1, /* R0 - R7. */ \ + 1, 1, 1, 1, 1, 1, 1, 1, /* R8 - R15. */ \ + 1, 1, 0, 0, 0, 0, 0, 0, /* R16 - R23. */ \ + 0, 0, 0, 0, 0, 1, 1, 1, /* R24 - R30, SP. */ \ + 1, 1, 1, 1, 1, 1, 1, 1, /* V0 - V7. */ \ + 0, 0, 0, 0, 0, 0, 0, 0, /* V8 - V15. */ \ + 1, 1, 1, 1, 1, 1, 1, 1, /* V16 - V23. */ \ + 1, 1, 1, 1, 1, 1, 1, 1, /* V24 - V31. */ \ + 1, 1, 1, 0, /* SFP, AP, CC, VG. */ \ + 1, 1, 1, 1, 1, 1, 1, 1, /* P0 - P7. */ \ + 1, 1, 1, 1, 1, 1, 1, 1, /* P8 - P15. */ \ + 1, 1, /* FFR and FFRT. */ \ + 0, 0, 0, 0, 0, 0, 0, 0 /* Fake registers. */ \ + } + +#undef STATIC_CHAIN_REGNUM +#define STATIC_CHAIN_REGNUM R17_REGNUM + +#endif /* GCC_AARCH64_ABI_MS_H. */ --=20 2.25.1