From nobody Sun Apr 28 23:42:36 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+76579+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+76579+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1623826798; cv=none; d=zohomail.com; s=zohoarc; b=Cy7wOXFNJixvuWfqh1LMm2S9meUJ8wcJJQHZ9grPXSTIaoIbDx4xczpvxWta7TGPJwqwJjcR8zy1lNAzfVaCJBdJyn3eqvNNfAlJ4iaF1DXJAYppwBRYBpagOF0fTQODUqjTdVfg86Y5DeHXFI4c2dEjvPunZp59GnbFQpXZfsY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1623826798; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=q0UoRiBRZrNld4bMRKcDu8d/RVW2r4zJgGkHCPrEi+M=; b=AqheCfh8Uj2IFBApJMyjtn9k+nPtUVGaA8g3nUtHoszc9sM0rlL5BKjHcTYPGoUYU6VpkgoRfbzWUPVisBA2Zd4MJ/8TmVHX2w59EdPyQlUXhOxbMPcHjp3A+1S2PRvST4i/s6ArzvMyLADOjzmxwvfdQ9ZrsPzq5wc4BeXTtoI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+76579+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1623826798539765.7111577016748; Tue, 15 Jun 2021 23:59:58 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id KPduYY1788612xppImU2fRaZ; Tue, 15 Jun 2021 23:59:57 -0700 X-Received: from mga06.intel.com (mga06.intel.com []) by mx.groups.io with SMTP id smtpd.web11.4111.1623826792723508227 for ; Tue, 15 Jun 2021 23:59:53 -0700 IronPort-SDR: bMeWyGZm7rbgjl0n0RsWtxtl8LeTl8aCnzpcCjXbGNZx62INo9covQH9VGCc069rVT8qtCyLh9 oKgKLosI1ylQ== X-IronPort-AV: E=McAfee;i="6200,9189,10016"; a="267274878" X-IronPort-AV: E=Sophos;i="5.83,277,1616482800"; d="scan'208";a="267274878" X-Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2021 23:59:52 -0700 IronPort-SDR: mdC/zOBGEsHF+anfEkoPhOwWHLe2j1kZfzbtKuQNfzQUBVnuBFstDrA487vv+GC5THIo+aTHDX MCV9IVPmwWkw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,277,1616482800"; d="scan'208";a="488055269" X-Received: from ray-dev.ccr.corp.intel.com ([10.239.158.87]) by fmsmga002.fm.intel.com with ESMTP; 15 Jun 2021 23:59:51 -0700 From: "Ni, Ray" To: devel@edk2.groups.io Cc: Maurice Ma , Guo Dong , Hao A Wu Subject: [edk2-devel] [PATCH v3 1/3] MdeModulePkg/UniversalPayload: Add definition for extra info in payload Date: Wed, 16 Jun 2021 14:59:20 +0800 Message-Id: <20210616065922.196-2-ray.ni@intel.com> In-Reply-To: <20210616065922.196-1-ray.ni@intel.com> References: <20210616065922.196-1-ray.ni@intel.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,ray.ni@intel.com X-Gm-Message-State: ln1e0pRUaSNN1QEsYVzHczOWx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1623826797; bh=I+rOnXKuxgEWfOxP1ehTB9S6ZUjSe0vd7Wasm/VOMUw=; h=Cc:Date:From:Reply-To:Subject:To; b=H4vzp/+xmAFAFPVEE8Wmy5Cp3J4h+k/HhZmTNmidgXqK2Dt4AHtXxqRmmzoqtKUfEJO BES3Aln4QaqfKY48kPu8khiHUQKd0+wZRb6bn4QtXtDKb/KCNqHXPswC0JdKFaEmAUYaU zd34qTNP1RtHSznfu02Uo+uJBZZaUvwi0PQ= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" The payload is in ELF format per the universal payload spec. UNIVERSAL_PAYLOAD_INFO_HEADER is stored in the ELF payload as a separate section named ".upld_info". Extra data needed by payload is stored in sections whose name starts with ".upld.". Signed-off-by: Ray Ni Cc: Maurice Ma Cc: Guo Dong Reviewed-by: Hao A Wu --- .../Include/UniversalPayload/ExtraData.h | 28 +++++++++++++++++++ .../UniversalPayload/UniversalPayload.h | 24 ++++++++++++++++ MdeModulePkg/MdeModulePkg.dec | 3 ++ 3 files changed, 55 insertions(+) create mode 100644 MdeModulePkg/Include/UniversalPayload/ExtraData.h diff --git a/MdeModulePkg/Include/UniversalPayload/ExtraData.h b/MdeModuleP= kg/Include/UniversalPayload/ExtraData.h new file mode 100644 index 0000000000..146ec845f6 --- /dev/null +++ b/MdeModulePkg/Include/UniversalPayload/ExtraData.h @@ -0,0 +1,28 @@ +/** @file + + Copyright (c) 2021, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#ifndef EXTRA_DATA_H_ +#define EXTRA_DATA_H_ + +extern GUID gUniversalPayloadExtraDataGuid; + +#pragma pack(1) + +typedef struct { + CHAR8 Identifier[16]; + EFI_PHYSICAL_ADDRESS Base; + UINT64 Size; +} UNIVERSAL_PAYLOAD_EXTRA_DATA_ENTRY; + +typedef struct { + UNIVERSAL_PAYLOAD_GENERIC_HEADER PldHeader; + UINT32 Count; + UNIVERSAL_PAYLOAD_EXTRA_DATA_ENTRY Entry[0]; +} UNIVERSAL_PAYLOAD_EXTRA_DATA; + +#pragma pack() + +#endif diff --git a/MdeModulePkg/Include/UniversalPayload/UniversalPayload.h b/Mde= ModulePkg/Include/UniversalPayload/UniversalPayload.h index e661306a9b..bc8a3e0cf8 100644 --- a/MdeModulePkg/Include/UniversalPayload/UniversalPayload.h +++ b/MdeModulePkg/Include/UniversalPayload/UniversalPayload.h @@ -11,8 +11,32 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #ifndef UNIVERSAL_PAYLOAD_H_ #define UNIVERSAL_PAYLOAD_H_ =20 +/** + Main entry point to Universal Payload. + + @param HobList Pointer to the beginning of the HOB List from boot loade= r. +**/ +typedef VOID (EFIAPI *UNIVERSAL_PAYLOAD_ENTRY) (VOID *HobList); + +#define UNIVERSAL_PAYLOAD_IDENTIFIER SIGNATURE_32('U', '= P', 'L', 'D') +#define UNIVERSAL_PAYLOAD_INFO_SEC_NAME ".upld_info" +#define UNIVERSAL_PAYLOAD_EXTRA_SEC_NAME_PREFIX ".upld." +#define UNIVERSAL_PAYLOAD_EXTRA_SEC_NAME_PREFIX_LENGTH (sizeof (UNIVERSAL_= PAYLOAD_EXTRA_SEC_NAME_PREFIX) - 1) + #pragma pack(1) =20 +typedef struct { + UINT32 Identifier; + UINT32 HeaderLength; + UINT16 SpecRevision; + UINT8 Reserved[2]; + UINT32 Revision; + UINT32 Attribute; + UINT32 Capability; + CHAR8 ProducerId[16]; + CHAR8 ImageId[16]; +} UNIVERSAL_PAYLOAD_INFO_HEADER; + typedef struct { UINT8 Revision; UINT8 Reserved; diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index 8c0885955b..10602a8f79 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -419,6 +419,9 @@ [Guids] ## Include/UniversalPayload/AcpiTable.h gUniversalPayloadAcpiTableGuid =3D { 0x9f9a9506, 0x5597, 0x4515, { 0xba,= 0xb6, 0x8b, 0xcd, 0xe7, 0x84, 0xba, 0x87 } } =20 + ## Include/UniversalPayload/ExtraData.h + gUniversalPayloadExtraDataGuid =3D {0x15a5baf6, 0x1c91, 0x467d, {0x9d, 0= xfb, 0x31, 0x9d, 0x17, 0x8d, 0x4b, 0xb4}} + [Ppis] ## Include/Ppi/AtaController.h gPeiAtaControllerPpiGuid =3D { 0xa45e60d1, 0xc719, 0x44aa, { 0xb0,= 0x7a, 0xaa, 0x77, 0x7f, 0x85, 0x90, 0x6d }} --=20 2.31.1.windows.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#76579): https://edk2.groups.io/g/devel/message/76579 Mute This Topic: https://groups.io/mt/83575151/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- From nobody Sun Apr 28 23:42:36 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+76580+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+76580+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1623826802; cv=none; d=zohomail.com; s=zohoarc; b=QR0fGckbTfnZB1TO4+U4r67hNCk8z0R/ls4mtPX70Wy/loyBOPoq65T2IX4de/yog+iQPIeKK2yRSD14Atme8w5kIyxshEJj0rPhUMmXfzpT+8pBL7CLsPb4eGwQEyukeLIgXFmE0RGEkTxlqcUQhhXeOnsWEC3CwG69EXgT3Jw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1623826802; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=mAd2V3lo91bcgwXxkmTA20VCY2kJ1SlS5U5Ar4wvSzQ=; b=FuZDp+ABGEQz2MyjeyH/MmSKU+YnXX6yxhZ/yZAoasCuDVAd+bmNUU6AkL/tuM8YDjqLHJ3Sz5qi19OsKoDwDC/HgM/DWZ2PToV63CTOEPZUi7g4RjQt8RPUZjRBYTGAOhhHnMnd4LdTLs1k6geaDjZ4PfSkOdxkPcJPLLq4bV8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+76580+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1623826801900769.7155310034402; Wed, 16 Jun 2021 00:00:01 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id Y3qzYY1788612xSl1X9adITB; Wed, 16 Jun 2021 00:00:01 -0700 X-Received: from mga06.intel.com (mga06.intel.com []) by mx.groups.io with SMTP id smtpd.web11.4111.1623826792723508227 for ; Tue, 15 Jun 2021 23:59:55 -0700 IronPort-SDR: JvS2X4tSbC/uq1X+UFqXNzzB1P8huKHv4GM04T3e4VhTOh7qTbMJPrYMpUlIwG/6wObwiTAYr0 C7zgdiRi/OFg== X-IronPort-AV: E=McAfee;i="6200,9189,10016"; a="267274885" X-IronPort-AV: E=Sophos;i="5.83,277,1616482800"; d="scan'208";a="267274885" X-Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2021 23:59:54 -0700 IronPort-SDR: yoQ209wTlhaTc1tOhnOjjdKRAmzMxeVi1qYibMFMOuxBFCUKCGQD59tSLZ+LUUALJepLffdvXi a08ZJxegsQCA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,277,1616482800"; d="scan'208";a="488055284" X-Received: from ray-dev.ccr.corp.intel.com ([10.239.158.87]) by fmsmga002.fm.intel.com with ESMTP; 15 Jun 2021 23:59:52 -0700 From: "Ni, Ray" To: devel@edk2.groups.io Cc: Maurice Ma , Guo Dong , Benjamin You Subject: [edk2-devel] [PATCH v3 2/3] UefiPayloadPkg: Add PayloadLoaderPeim which can load ELF payload Date: Wed, 16 Jun 2021 14:59:21 +0800 Message-Id: <20210616065922.196-3-ray.ni@intel.com> In-Reply-To: <20210616065922.196-1-ray.ni@intel.com> References: <20210616065922.196-1-ray.ni@intel.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,ray.ni@intel.com X-Gm-Message-State: nqvYEKbL2KBekfZLRV4h8o3Hx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1623826801; bh=+2niuK2CxCxFVgWMw7UWK08yVEIhL4SIGuzJNbSbhB8=; h=Cc:Date:From:Reply-To:Subject:To; b=D35lDARJz/hQZyMQbtEwCqVUV/RmxRSUFbS1kZjZaAf89fi+uXo783qnVhISAhr9sXx bFVrTWgBOt61b44j9bRx99OIGmPWMQzA81wMg55W5ypIBI/GtlqwBi53f3Kjy+jO7r8GR jdeCYnz0UVEv4qMlsOHd3bM9UzURT4xL/V0= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" Per universal payload spec, the payload is in ELF format. The patch adds a payload loader that supports to load ELF image. The location of extra data sections whose names start with "upld." is stored in UNIVERSAL_PAYLOAD_EXTRA_DATA HOB. Signed-off-by: Maurice Ma Signed-off-by: Ray Ni Cc: Maurice Ma Reviewed-by: Guo Dong Cc: Benjamin You --- UefiPayloadPkg/PayloadLoaderPeim/ElfLib.h | 122 +++ .../PayloadLoaderPeim/ElfLib/Elf32.h | 252 +++++ .../PayloadLoaderPeim/ElfLib/Elf32Lib.c | 451 ++++++++ .../PayloadLoaderPeim/ElfLib/Elf64.h | 254 +++++ .../PayloadLoaderPeim/ElfLib/Elf64Lib.c | 460 ++++++++ .../PayloadLoaderPeim/ElfLib/ElfCommon.h | 983 ++++++++++++++++++ .../PayloadLoaderPeim/ElfLib/ElfLib.c | 473 +++++++++ .../PayloadLoaderPeim/ElfLib/ElfLibInternal.h | 109 ++ .../PayloadLoaderPeim/PayloadLoaderPeim.c | 187 ++++ .../PayloadLoaderPeim/PayloadLoaderPeim.inf | 59 ++ 10 files changed, 3350 insertions(+) create mode 100644 UefiPayloadPkg/PayloadLoaderPeim/ElfLib.h create mode 100644 UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf32.h create mode 100644 UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf32Lib.c create mode 100644 UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf64.h create mode 100644 UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf64Lib.c create mode 100644 UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfCommon.h create mode 100644 UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfLib.c create mode 100644 UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfLibInternal.h create mode 100644 UefiPayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.c create mode 100644 UefiPayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.inf diff --git a/UefiPayloadPkg/PayloadLoaderPeim/ElfLib.h b/UefiPayloadPkg/Pay= loadLoaderPeim/ElfLib.h new file mode 100644 index 0000000000..9cfc2912cf --- /dev/null +++ b/UefiPayloadPkg/PayloadLoaderPeim/ElfLib.h @@ -0,0 +1,122 @@ +/** @file + ELF library + + Copyright (c) 2018 - 2021, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef ELF_LIB_H_ +#define ELF_LIB_H_ + +#include + +#define ELF_CLASS32 1 +#define ELF_CLASS64 2 + +#define ELF_PT_LOAD 1 + +typedef struct { + RETURN_STATUS ParseStatus; ///< Return the status after Pars= eElfImage(). + UINT8 *FileBase; ///< The source location in memor= y. + UINTN FileSize; ///< The size including sections = that don't require loading. + UINT8 *PreferredImageAddress; ///< The preferred image to be lo= aded. No relocation is needed if loaded to this address. + BOOLEAN ReloadRequired; ///< The image needs a new memory= location for running. + UINT8 *ImageAddress; ///< The destination memory addre= ss set by caller. + UINTN ImageSize; ///< The memory size for loading = and execution. + UINT32 EiClass; + UINT32 ShNum; + UINT32 PhNum; + UINTN ShStrOff; + UINTN ShStrLen; + UINTN EntryPoint; ///< Return the actual entry poin= t after LoadElfImage(). +} ELF_IMAGE_CONTEXT; + + +typedef struct { + UINT32 PtType; + UINTN Offset; + UINTN Length; + UINTN MemLen; + UINTN MemAddr; + UINTN Alignment; +} SEGMENT_INFO; + +/** + Parse the ELF image info. + + @param[in] ImageBase Memory address of an image. + @param[out] ElfCt The EFL image context pointer. + + @retval EFI_INVALID_PARAMETER Input parameters are not valid. + @retval EFI_UNSUPPORTED Unsupported binary type. + @retval EFI_LOAD_ERROR ELF binary loading error. + @retval EFI_SUCCESS ELF binary is loaded successfully. +**/ +EFI_STATUS +EFIAPI +ParseElfImage ( + IN VOID *ImageBase, + OUT ELF_IMAGE_CONTEXT *ElfCt + ); + +/** + Load the ELF segments to specified address in ELF header. + + This function loads ELF image segments into memory address specified + in ELF program header. + + @param[in] ElfCt ELF image context pointer. + + @retval EFI_INVALID_PARAMETER Input parameters are not valid. + @retval EFI_UNSUPPORTED Unsupported binary type. + @retval EFI_LOAD_ERROR ELF binary loading error. + @retval EFI_SUCCESS ELF binary is loaded successfully. +**/ +EFI_STATUS +EFIAPI +LoadElfImage ( + IN ELF_IMAGE_CONTEXT *ElfCt + ); + +/** + Get a ELF section name from its index. + + @param[in] ElfCt ELF image context pointer. + @param[in] SectionIndex ELF section index. + @param[out] SectionName The pointer to the section name. + + @retval EFI_INVALID_PARAMETER ElfCt or SecName is NULL. + @retval EFI_NOT_FOUND Could not find the section. + @retval EFI_SUCCESS Section name was filled successfully. +**/ +EFI_STATUS +EFIAPI +GetElfSectionName ( + IN ELF_IMAGE_CONTEXT *ElfCt, + IN UINT32 SectionIndex, + OUT CHAR8 **SectionName + ); + +/** + Get the offset and size of x-th ELF section. + + @param[in] ElfCt ELF image context pointer. + @param[in] Index ELF section index. + @param[out] Offset Return the offset of the specific sectio= n. + @param[out] Size Return the size of the specific section. + + @retval EFI_INVALID_PARAMETER ImageBase, Offset or Size is NULL. + @retval EFI_INVALID_PARAMETER EiClass doesn't equal to ELFCLASS32 or E= LFCLASS64. + @retval EFI_NOT_FOUND Could not find the section. + @retval EFI_SUCCESS Offset and Size are returned. +**/ +EFI_STATUS +EFIAPI +GetElfSectionPos ( + IN ELF_IMAGE_CONTEXT *ElfCt, + IN UINT32 Index, + OUT UINTN *Offset, + OUT UINTN *Size + ); +#endif /* ELF_LIB_H_ */ diff --git a/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf32.h b/UefiPayloadP= kg/PayloadLoaderPeim/ElfLib/Elf32.h new file mode 100644 index 0000000000..ebed5f00c3 --- /dev/null +++ b/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf32.h @@ -0,0 +1,252 @@ +/** @file +Ported ELF include files from FreeBSD + +Copyright (c) 2009 - 2010, Apple Inc. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + + +**/ +/*- + * Copyright (c) 1996-1998 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP= OSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENT= IAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STR= ICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY W= AY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/sys/sys/elf32.h,v 1.8.14.2 2007/12/03 21:30:36 marius Exp= $ + */ + +#ifndef _SYS_ELF32_H_ +#define _SYS_ELF32_H_ 1 + + +/* + * ELF definitions common to all 32-bit architectures. + */ + +typedef UINT32 Elf32_Addr; +typedef UINT16 Elf32_Half; +typedef UINT32 Elf32_Off; +typedef INT32 Elf32_Sword; +typedef UINT32 Elf32_Word; +typedef UINT64 Elf32_Lword; + +typedef Elf32_Word Elf32_Hashelt; + +/* Non-standard class-dependent datatype used for abstraction. */ +typedef Elf32_Word Elf32_Size; +typedef Elf32_Sword Elf32_Ssize; + +/* + * ELF header. + */ + +typedef struct { + unsigned char e_ident[EI_NIDENT]; /* File identification. */ + Elf32_Half e_type; /* File type. */ + Elf32_Half e_machine; /* Machine architecture. */ + Elf32_Word e_version; /* ELF format version. */ + Elf32_Addr e_entry; /* Entry point. */ + Elf32_Off e_phoff; /* Program header file offset. */ + Elf32_Off e_shoff; /* Section header file offset. */ + Elf32_Word e_flags; /* Architecture-specific flags. */ + Elf32_Half e_ehsize; /* Size of ELF header in bytes. */ + Elf32_Half e_phentsize; /* Size of program header entry. */ + Elf32_Half e_phnum; /* Number of program header entries. */ + Elf32_Half e_shentsize; /* Size of section header entry. */ + Elf32_Half e_shnum; /* Number of section header entries. */ + Elf32_Half e_shstrndx; /* Section name strings section. */ +} Elf32_Ehdr; + +/* + * Section header. + */ + +typedef struct { + Elf32_Word sh_name; /* Section name (index into the + section header string table). */ + Elf32_Word sh_type; /* Section type. */ + Elf32_Word sh_flags; /* Section flags. */ + Elf32_Addr sh_addr; /* Address in memory image. */ + Elf32_Off sh_offset; /* Offset in file. */ + Elf32_Word sh_size; /* Size in bytes. */ + Elf32_Word sh_link; /* Index of a related section. */ + Elf32_Word sh_info; /* Depends on section type. */ + Elf32_Word sh_addralign; /* Alignment in bytes. */ + Elf32_Word sh_entsize; /* Size of each entry in section. */ +} Elf32_Shdr; + +/* + * Program header. + */ + +typedef struct { + Elf32_Word p_type; /* Entry type. */ + Elf32_Off p_offset; /* File offset of contents. */ + Elf32_Addr p_vaddr; /* Virtual address in memory image. */ + Elf32_Addr p_paddr; /* Physical address (not used). */ + Elf32_Word p_filesz; /* Size of contents in file. */ + Elf32_Word p_memsz; /* Size of contents in memory. */ + Elf32_Word p_flags; /* Access permission flags. */ + Elf32_Word p_align; /* Alignment in memory and file. */ +} Elf32_Phdr; + +/* + * Dynamic structure. The ".dynamic" section contains an array of them. + */ + +typedef struct { + Elf32_Sword d_tag; /* Entry type. */ + union { + Elf32_Word d_val; /* Integer value. */ + Elf32_Addr d_ptr; /* Address value. */ + } d_un; +} Elf32_Dyn; + +/* + * Relocation entries. + */ + +/* Relocations that don't need an addend field. */ +typedef struct { + Elf32_Addr r_offset; /* Location to be relocated. */ + Elf32_Word r_info; /* Relocation type and symbol index. */ +} Elf32_Rel; + +/* Relocations that need an addend field. */ +typedef struct { + Elf32_Addr r_offset; /* Location to be relocated. */ + Elf32_Word r_info; /* Relocation type and symbol index. */ + Elf32_Sword r_addend; /* Addend. */ +} Elf32_Rela; + +/* Macros for accessing the fields of r_info. */ +#define ELF32_R_SYM(info) ((info) >> 8) +#define ELF32_R_TYPE(info) ((unsigned char)(info)) + +/* Macro for constructing r_info from field values. */ +#define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type)) + +/* + * Note entry header + */ +typedef Elf_Note Elf32_Nhdr; + +/* + * Move entry + */ +typedef struct { + Elf32_Lword m_value; /* symbol value */ + Elf32_Word m_info; /* size + index */ + Elf32_Word m_poffset; /* symbol offset */ + Elf32_Half m_repeat; /* repeat count */ + Elf32_Half m_stride; /* stride info */ +} Elf32_Move; + +/* + * The macros compose and decompose values for Move.r_info + * + * sym =3D ELF32_M_SYM(M.m_info) + * size =3D ELF32_M_SIZE(M.m_info) + * M.m_info =3D ELF32_M_INFO(sym, size) + */ +#define ELF32_M_SYM(info) ((info)>>8) +#define ELF32_M_SIZE(info) ((unsigned char)(info)) +#define ELF32_M_INFO(sym, size) (((sym)<<8)+(unsigned char)(size)) + +/* + * Hardware/Software capabilities entry + */ +typedef struct { + Elf32_Word c_tag; /* how to interpret value */ + union { + Elf32_Word c_val; + Elf32_Addr c_ptr; + } c_un; +} Elf32_Cap; + +/* + * Symbol table entries. + */ + +typedef struct { + Elf32_Word st_name; /* String table index of name. */ + Elf32_Addr st_value; /* Symbol value. */ + Elf32_Word st_size; /* Size of associated object. */ + unsigned char st_info; /* Type and binding information. */ + unsigned char st_other; /* Reserved (not used). */ + Elf32_Half st_shndx; /* Section index of symbol. */ +} Elf32_Sym; + +/* Macros for accessing the fields of st_info. */ +#define ELF32_ST_BIND(info) ((info) >> 4) +#define ELF32_ST_TYPE(info) ((info) & 0xf) + +/* Macro for constructing st_info from field values. */ +#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) + +/* Macro for accessing the fields of st_other. */ +#define ELF32_ST_VISIBILITY(oth) ((oth) & 0x3) + +/* Structures used by Sun & GNU symbol versioning. */ +typedef struct +{ + Elf32_Half vd_version; + Elf32_Half vd_flags; + Elf32_Half vd_ndx; + Elf32_Half vd_cnt; + Elf32_Word vd_hash; + Elf32_Word vd_aux; + Elf32_Word vd_next; +} Elf32_Verdef; + +typedef struct +{ + Elf32_Word vda_name; + Elf32_Word vda_next; +} Elf32_Verdaux; + +typedef struct +{ + Elf32_Half vn_version; + Elf32_Half vn_cnt; + Elf32_Word vn_file; + Elf32_Word vn_aux; + Elf32_Word vn_next; +} Elf32_Verneed; + +typedef struct +{ + Elf32_Word vna_hash; + Elf32_Half vna_flags; + Elf32_Half vna_other; + Elf32_Word vna_name; + Elf32_Word vna_next; +} Elf32_Vernaux; + +typedef Elf32_Half Elf32_Versym; + +typedef struct { + Elf32_Half si_boundto; /* direct bindings - symbol bound to */ + Elf32_Half si_flags; /* per symbol flags */ +} Elf32_Syminfo; + +#endif /* !_SYS_ELF32_H_ */ diff --git a/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf32Lib.c b/UefiPaylo= adPkg/PayloadLoaderPeim/ElfLib/Elf32Lib.c new file mode 100644 index 0000000000..3fa100ce4a --- /dev/null +++ b/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf32Lib.c @@ -0,0 +1,451 @@ +/** @file + ELF library + + Copyright (c) 2019 - 2021, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "ElfLibInternal.h" + +/** + Return the section header specified by Index. + + @param ImageBase The image base. + @param Index The section index. + + @return Pointer to the section header. +**/ +Elf32_Shdr * +GetElf32SectionByIndex ( + IN UINT8 *ImageBase, + IN UINT32 Index + ) +{ + Elf32_Ehdr *Ehdr; + + Ehdr =3D (Elf32_Ehdr *)ImageBase; + if (Index >=3D Ehdr->e_shnum) { + return NULL; + } + + return (Elf32_Shdr *)(ImageBase + Ehdr->e_shoff + Index * Ehdr->e_shents= ize); +} + +/** + Return the segment header specified by Index. + + @param ImageBase The image base. + @param Index The segment index. + + @return Pointer to the segment header. +**/ +Elf32_Phdr * +GetElf32SegmentByIndex ( + IN UINT8 *ImageBase, + IN UINT32 Index + ) +{ + Elf32_Ehdr *Ehdr; + + Ehdr =3D (Elf32_Ehdr *)ImageBase; + if (Index >=3D Ehdr->e_phnum) { + return NULL; + } + + return (Elf32_Phdr *)(ImageBase + Ehdr->e_phoff + Index * Ehdr->e_phents= ize); +} + +/** + Return the section header specified by the range. + + @param ImageBase The image base. + @param Offset The section offset. + @param Size The section size. + + @return Pointer to the section header. +**/ +Elf32_Shdr * +GetElf32SectionByRange ( + IN UINT8 *ImageBase, + IN UINT32 Offset, + IN UINT32 Size + ) +{ + UINT32 Index; + Elf32_Ehdr *Ehdr; + Elf32_Shdr *Shdr; + + Ehdr =3D (Elf32_Ehdr *)ImageBase; + + Shdr =3D (Elf32_Shdr *) (ImageBase + Ehdr->e_shoff); + for (Index =3D 0; Index < Ehdr->e_shnum; Index++) { + if ((Shdr->sh_offset =3D=3D Offset) && (Shdr->sh_size =3D=3D Size)) { + return Shdr; + } + Shdr =3D ELF_NEXT_ENTRY (Elf32_Shdr, Shdr, Ehdr->e_shentsize); + } + return NULL; +} + +/** + Fix up the image based on the relocation entries. + + @param Rela Relocation entries. + @param RelaSize Total size of relocation entries. + @param RelaEntrySize Relocation entry size. + @param RelaType Type of relocation entry. + @param Delta The delta between preferred image base and th= e actual image base. + @param DynamicLinking TRUE when fixing up according to dynamic relo= cation. + + @retval EFI_SUCCESS The image fix up is processed successfully. +**/ +EFI_STATUS +ProcessRelocation32 ( + IN Elf32_Rela *Rela, + IN UINT32 RelaSize, + IN UINT32 RelaEntrySize, + IN UINT32 RelaType, + IN INTN Delta, + IN BOOLEAN DynamicLinking + ) +{ + UINTN Index; + UINT32 *Ptr; + UINT32 Type; + + for ( Index =3D 0 + ; RelaEntrySize * Index < RelaSize + ; Index++, Rela =3D ELF_NEXT_ENTRY (Elf32_Rela, Rela, RelaEntrySize) + ) { + // + // r_offset is the virtual address of the storage unit affected by the= relocation. + // + Ptr =3D (UINT32 *)(UINTN)(Rela->r_offset + Delta); + Type =3D ELF32_R_TYPE(Rela->r_info); + switch (Type) { + case R_386_NONE: + case R_386_PC32: + // + // No fixup entry required. + // + break; + + case R_386_32: + if (DynamicLinking) { + // + // Dynamic section doesn't contain entries of this type. + // + DEBUG ((DEBUG_INFO, "Unsupported relocation type %02X\n", Type)); + ASSERT (FALSE); + } else { + *Ptr +=3D (UINT32) Delta; + } + break; + + case R_386_RELATIVE: + if (DynamicLinking) { + // + // A: Represents the addend used to compute the value of the rel= ocatable field. + // B: Represents the base address at which a shared object has b= een loaded into memory during execution. + // Generally, a shared object is built with a 0 base virtual = address, but the execution address will be different. + // + // B (Base Address) in ELF spec is slightly different: + // An executable or shared object file's base address (on plat= forms that support the concept) is calculated during + // execution from three values: the virtual memory load addres= s, the maximum page size, and the lowest virtual address + // of a program's loadable segment. To compute the base addres= s, one determines the memory address associated with the + // lowest p_vaddr value for a PT_LOAD segment. This address is= truncated to the nearest multiple of the maximum page size. + // The corresponding p_vaddr value itself is also truncated to= the nearest multiple of the maximum page size. + // + // *** The base address is the difference between the truncate= d memory address and the truncated p_vaddr value. *** + // + // Delta in this function is B. + // + // Calculation: B + A + // + if (RelaType =3D=3D SHT_RELA) { + ASSERT (*Ptr =3D=3D 0); + *Ptr =3D (UINT32) Delta + Rela->r_addend; + } else { + // + // A is stored in the field of relocation for REL type. + // + *Ptr =3D (UINT32) Delta + *Ptr; + } + } else { + // + // non-Dynamic section doesn't contain entries of this type. + // + DEBUG ((DEBUG_INFO, "Unsupported relocation type %02X\n", Type)); + ASSERT (FALSE); + } + break; + + default: + DEBUG ((DEBUG_INFO, "Unsupported relocation type %02X\n", Type)); + } + } + return EFI_SUCCESS; +} + +/** + Relocate the DYN type image. + + @param ElfCt Point to image context. + + @retval EFI_SUCCESS The relocation succeeds. + @retval EFI_UNSUPPORTED The image doesn't contain a dynamic section. +**/ +EFI_STATUS +RelocateElf32Dynamic ( + IN ELF_IMAGE_CONTEXT *ElfCt + ) +{ + UINT32 Index; + Elf32_Phdr *Phdr; + Elf32_Shdr *DynShdr; + Elf32_Shdr *RelShdr; + Elf32_Dyn *Dyn; + UINT32 RelaOffset; + UINT32 RelaCount; + UINT32 RelaSize; + UINT32 RelaEntrySize; + UINT32 RelaType; + + // + // 1. Locate the dynamic section. + // + // If an object file participates in dynamic linking, its program header= table + // will have an element of type PT_DYNAMIC. + // This ``segment'' contains the .dynamic section. A special symbol, _DY= NAMIC, + // labels the section, which contains an array of Elf32_Dyn or Elf64_Dyn. + // + DynShdr =3D NULL; + for (Index =3D 0; Index < ElfCt->PhNum; Index++) { + Phdr =3D GetElf32SegmentByIndex (ElfCt->FileBase, Index); + ASSERT (Phdr !=3D NULL); + if (Phdr->p_type =3D=3D PT_DYNAMIC) { + // + // Verify the existence of the dynamic section. + // + DynShdr =3D GetElf32SectionByRange (ElfCt->FileBase, Phdr->p_offset,= Phdr->p_filesz); + break; + } + } + + // + // It's abnormal a DYN ELF doesn't contain a dynamic section. + // + ASSERT (DynShdr !=3D NULL); + if (DynShdr =3D=3D NULL) { + return EFI_UNSUPPORTED; + } + ASSERT (DynShdr->sh_type =3D=3D SHT_DYNAMIC); + ASSERT (DynShdr->sh_entsize >=3D sizeof (*Dyn)); + + // + // 2. Locate the relocation section from the dynamic section. + // + RelaOffset =3D MAX_UINT32; + RelaSize =3D 0; + RelaCount =3D 0; + RelaEntrySize =3D 0; + RelaType =3D 0; + for ( Index =3D 0, Dyn =3D (Elf32_Dyn *) (ElfCt->FileBase + DynShdr->sh_= offset) + ; Index < DynShdr->sh_size / DynShdr->sh_entsize + ; Index++, Dyn =3D ELF_NEXT_ENTRY (Elf32_Dyn, Dyn, DynShdr->sh_entsi= ze) + ) { + switch (Dyn->d_tag) { + case DT_RELA: + case DT_REL: + // + // DT_REL represent program virtual addresses. + // A file's virtual addresses might not match the memory virtual a= ddresses during execution. + // When interpreting addresses contained in the dynamic structure,= the dynamic linker computes actual addresses, + // based on the original file value and the memory base address. + // For consistency, files do not contain relocation entries to ``c= orrect'' addresses in the dynamic structure. + // + RelaOffset =3D Dyn->d_un.d_ptr - (UINT32) (UINTN) ElfCt->Preferred= ImageAddress; + RelaType =3D (Dyn->d_tag =3D=3D DT_RELA) ? SHT_RELA: SHT_REL; + break; + case DT_RELACOUNT: + case DT_RELCOUNT: + RelaCount =3D Dyn->d_un.d_val; + break; + case DT_RELENT: + case DT_RELAENT: + RelaEntrySize =3D Dyn->d_un.d_val; + break; + case DT_RELSZ: + case DT_RELASZ: + RelaSize =3D Dyn->d_un.d_val; + break; + default: + break; + } + } + + if (RelaOffset =3D=3D MAX_UINT64) { + ASSERT (RelaCount =3D=3D 0); + ASSERT (RelaEntrySize =3D=3D 0); + ASSERT (RelaSize =3D=3D 0); + // + // It's fine that a DYN ELF doesn't contain relocation section. + // + return EFI_SUCCESS; + } + + // + // Verify the existence of the relocation section. + // + RelShdr =3D GetElf32SectionByRange (ElfCt->FileBase, RelaOffset, RelaSiz= e); + ASSERT (RelShdr !=3D NULL); + if (RelShdr =3D=3D NULL) { + return EFI_UNSUPPORTED; + } + ASSERT (RelShdr->sh_type =3D=3D RelaType); + ASSERT (RelShdr->sh_entsize =3D=3D RelaEntrySize); + + // + // 3. Process the relocation section. + // + ProcessRelocation32 ( + (Elf32_Rela *) (ElfCt->FileBase + RelShdr->sh_offset), + RelShdr->sh_size, RelShdr->sh_entsize, RelShdr->sh_type, + (UINTN) ElfCt->ImageAddress - (UINTN) ElfCt->PreferredImageAddress, + TRUE + ); + return EFI_SUCCESS; +} + +/** + Relocate all sections in a ELF image. + + @param[in] ElfCt ELF image context pointer. + + @retval EFI_UNSUPPORTED Relocation is not supported. + @retval EFI_SUCCESS ELF image was relocated successfully. +**/ +EFI_STATUS +RelocateElf32Sections ( + IN ELF_IMAGE_CONTEXT *ElfCt + ) +{ + EFI_STATUS Status; + Elf32_Ehdr *Ehdr; + Elf32_Shdr *RelShdr; + Elf32_Shdr *Shdr; + UINT32 Index; + UINTN Delta; + + Ehdr =3D (Elf32_Ehdr *)ElfCt->FileBase; + if (Ehdr->e_machine !=3D EM_386) { + return EFI_UNSUPPORTED; + } + + Delta =3D (UINTN) ElfCt->ImageAddress - (UINTN) ElfCt->PreferredImageAdd= ress; + ElfCt->EntryPoint =3D (UINTN)(Ehdr->e_entry + Delta); + + // + // 1. Relocate dynamic ELF using the relocation section pointed by dynam= ic section + // + if (Ehdr->e_type =3D=3D ET_DYN) { + DEBUG ((DEBUG_INFO, "DYN ELF: Relocate using dynamic sections...\n")); + Status =3D RelocateElf32Dynamic (ElfCt); + ASSERT_EFI_ERROR (Status); + return Status; + } + + // + // 2. Executable ELF: Fix up the delta between actual image address and = preferred image address. + // + // Linker already fixed up EXEC ELF based on the preferred image addres= s. + // A ELF loader in modern OS only loads it into the preferred image add= ress. + // The below relocation is unneeded in that case. + // But the ELF loader in firmware supports to load the image to a diffe= rent address. + // The below relocation is needed in this case. + // + DEBUG ((DEBUG_INFO, "EXEC ELF: Fix actual/preferred base address delta .= ..\n")); + for ( Index =3D 0, RelShdr =3D (Elf32_Shdr *) (ElfCt->FileBase + Ehdr->e= _shoff) + ; Index < Ehdr->e_shnum + ; Index++, RelShdr =3D ELF_NEXT_ENTRY (Elf32_Shdr, RelShdr, Ehdr->= e_shentsize) + ) { + if ((RelShdr->sh_type !=3D SHT_REL) && (RelShdr->sh_type !=3D SHT_RELA= )) { + continue; + } + Shdr =3D GetElf32SectionByIndex (ElfCt->FileBase, RelShdr->sh_info); + if ((Shdr->sh_flags & SHF_ALLOC) =3D=3D SHF_ALLOC) { + // + // Only fix up sections that occupy memory during process execution. + // + ProcessRelocation32 ( + (Elf32_Rela *)((UINT8*)Ehdr + RelShdr->sh_offset), + RelShdr->sh_size, RelShdr->sh_entsize, RelShdr->sh_type, + Delta, FALSE + ); + } + } + + return EFI_SUCCESS; +} + +/** + Load ELF image which has 32-bit architecture. + + Caller should set Context.ImageAddress to a proper value, either pointin= g to + a new allocated memory whose size equal to Context.ImageSize, or pointing + to Context.PreferredImageAddress. + + @param[in] ElfCt ELF image context pointer. + + @retval EFI_SUCCESS ELF binary is loaded successfully. + @retval Others Loading ELF binary fails. + +**/ +EFI_STATUS +LoadElf32Image ( + IN ELF_IMAGE_CONTEXT *ElfCt + ) +{ + Elf32_Ehdr *Ehdr; + Elf32_Phdr *Phdr; + UINT16 Index; + UINTN Delta; + + ASSERT (ElfCt !=3D NULL); + + // + // Per the sprit of ELF, loading to memory only consumes info from progr= am headers. + // + Ehdr =3D (Elf32_Ehdr *)ElfCt->FileBase; + + for ( Index =3D 0, Phdr =3D (Elf32_Phdr *)(ElfCt->FileBase + Ehdr->e_pho= ff) + ; Index < Ehdr->e_phnum + ; Index++, Phdr =3D ELF_NEXT_ENTRY (Elf32_Phdr, Phdr, Ehdr->e_phents= ize) + ) { + // + // Skip segments that don't require load (type tells, or size is 0) + // + if ((Phdr->p_type !=3D PT_LOAD) || + (Phdr->p_memsz =3D=3D 0)) { + continue; + } + + // + // The memory offset of segment relative to the image base + // Note: CopyMem() does nothing when the dst equals to src. + // + Delta =3D Phdr->p_paddr - (UINT32) (UINTN) ElfCt->PreferredImageAddres= s; + CopyMem (ElfCt->ImageAddress + Delta, ElfCt->FileBase + Phdr->p_offset= , Phdr->p_filesz); + ZeroMem (ElfCt->ImageAddress + Delta + Phdr->p_filesz, Phdr->p_memsz -= Phdr->p_filesz); + } + + // + // Relocate when new new image base is not the preferred image base. + // + if (ElfCt->ImageAddress !=3D ElfCt->PreferredImageAddress) { + RelocateElf32Sections (ElfCt); + } + + return EFI_SUCCESS; +} diff --git a/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf64.h b/UefiPayloadP= kg/PayloadLoaderPeim/ElfLib/Elf64.h new file mode 100644 index 0000000000..d64dc64a6a --- /dev/null +++ b/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf64.h @@ -0,0 +1,254 @@ +/** @file +Ported ELF include files from FreeBSD + +Copyright (c) 2009 - 2010, Apple Inc. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +/*- + * Copyright (c) 1996-1998 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP= OSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENT= IAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STR= ICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY W= AY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/sys/sys/elf64.h,v 1.10.14.2 2007/12/03 21:30:36 marius Ex= p $ + */ + +#ifndef _SYS_ELF64_H_ +#define _SYS_ELF64_H_ 1 + + +/* + * ELF definitions common to all 64-bit architectures. + */ + +typedef UINT64 Elf64_Addr; +typedef UINT16 Elf64_Half; +typedef UINT64 Elf64_Off; +typedef INT32 Elf64_Sword; +typedef INT64 Elf64_Sxword; +typedef UINT32 Elf64_Word; +typedef UINT64 Elf64_Lword; +typedef UINT64 Elf64_Xword; + +/* + * Types of dynamic symbol hash table bucket and chain elements. + * + * This is inconsistent among 64 bit architectures, so a machine dependent + * typedef is required. + */ + +typedef Elf64_Word Elf64_Hashelt; + +/* Non-standard class-dependent datatype used for abstraction. */ +typedef Elf64_Xword Elf64_Size; +typedef Elf64_Sxword Elf64_Ssize; + +/* + * ELF header. + */ + +typedef struct { + unsigned char e_ident[EI_NIDENT]; /* File identification. */ + Elf64_Half e_type; /* File type. */ + Elf64_Half e_machine; /* Machine architecture. */ + Elf64_Word e_version; /* ELF format version. */ + Elf64_Addr e_entry; /* Entry point. */ + Elf64_Off e_phoff; /* Program header file offset. */ + Elf64_Off e_shoff; /* Section header file offset. */ + Elf64_Word e_flags; /* Architecture-specific flags. */ + Elf64_Half e_ehsize; /* Size of ELF header in bytes. */ + Elf64_Half e_phentsize; /* Size of program header entry. */ + Elf64_Half e_phnum; /* Number of program header entries. */ + Elf64_Half e_shentsize; /* Size of section header entry. */ + Elf64_Half e_shnum; /* Number of section header entries. */ + Elf64_Half e_shstrndx; /* Section name strings section. */ +} Elf64_Ehdr; + +/* + * Section header. + */ + +typedef struct { + Elf64_Word sh_name; /* Section name (index into the + section header string table). */ + Elf64_Word sh_type; /* Section type. */ + Elf64_Xword sh_flags; /* Section flags. */ + Elf64_Addr sh_addr; /* Address in memory image. */ + Elf64_Off sh_offset; /* Offset in file. */ + Elf64_Xword sh_size; /* Size in bytes. */ + Elf64_Word sh_link; /* Index of a related section. */ + Elf64_Word sh_info; /* Depends on section type. */ + Elf64_Xword sh_addralign; /* Alignment in bytes. */ + Elf64_Xword sh_entsize; /* Size of each entry in section. */ +} Elf64_Shdr; + +/* + * Program header. + */ + +typedef struct { + Elf64_Word p_type; /* Entry type. */ + Elf64_Word p_flags; /* Access permission flags. */ + Elf64_Off p_offset; /* File offset of contents. */ + Elf64_Addr p_vaddr; /* Virtual address in memory image. */ + Elf64_Addr p_paddr; /* Physical address (not used). */ + Elf64_Xword p_filesz; /* Size of contents in file. */ + Elf64_Xword p_memsz; /* Size of contents in memory. */ + Elf64_Xword p_align; /* Alignment in memory and file. */ +} Elf64_Phdr; + +/* + * Dynamic structure. The ".dynamic" section contains an array of them. + */ + +typedef struct { + Elf64_Sxword d_tag; /* Entry type. */ + union { + Elf64_Xword d_val; /* Integer value. */ + Elf64_Addr d_ptr; /* Address value. */ + } d_un; +} Elf64_Dyn; + +/* + * Relocation entries. + */ + +/* Relocations that don't need an addend field. */ +typedef struct { + Elf64_Addr r_offset; /* Location to be relocated. */ + Elf64_Xword r_info; /* Relocation type and symbol index. */ +} Elf64_Rel; + +/* Relocations that need an addend field. */ +typedef struct { + Elf64_Addr r_offset; /* Location to be relocated. */ + Elf64_Xword r_info; /* Relocation type and symbol index. */ + Elf64_Sxword r_addend; /* Addend. */ +} Elf64_Rela; + +/* Macros for accessing the fields of r_info. */ +#define ELF64_R_SYM(info) ((UINT32) RShiftU64 ((info), 32)) +#define ELF64_R_TYPE(info) ((info) & 0xffffffffL) + +/* Macro for constructing r_info from field values. */ +#define ELF64_R_INFO(sym, type) (((sym) << 32) + ((type) & 0xffffffffL)) + +#define ELF64_R_TYPE_DATA(info) (((Elf64_Xword)(info)<<32)>>40) +#define ELF64_R_TYPE_ID(info) (((Elf64_Xword)(info)<<56)>>56) +#define ELF64_R_TYPE_INFO(data, type) \ + (((Elf64_Xword)(data)<<8)+(Elf64_Xword)(type)) + +/* + * Note entry header + */ +typedef Elf_Note Elf64_Nhdr; + +/* + * Move entry + */ +typedef struct { + Elf64_Lword m_value; /* symbol value */ + Elf64_Xword m_info; /* size + index */ + Elf64_Xword m_poffset; /* symbol offset */ + Elf64_Half m_repeat; /* repeat count */ + Elf64_Half m_stride; /* stride info */ +} Elf64_Move; + +#define ELF64_M_SYM(info) ((info)>>8) +#define ELF64_M_SIZE(info) ((unsigned char)(info)) +#define ELF64_M_INFO(sym, size) (((sym)<<8)+(unsigned char)(size)) + +/* + * Hardware/Software capabilities entry + */ +typedef struct { + Elf64_Xword c_tag; /* how to interpret value */ + union { + Elf64_Xword c_val; + Elf64_Addr c_ptr; + } c_un; +} Elf64_Cap; + +/* + * Symbol table entries. + */ + +typedef struct { + Elf64_Word st_name; /* String table index of name. */ + unsigned char st_info; /* Type and binding information. */ + unsigned char st_other; /* Reserved (not used). */ + Elf64_Half st_shndx; /* Section index of symbol. */ + Elf64_Addr st_value; /* Symbol value. */ + Elf64_Xword st_size; /* Size of associated object. */ +} Elf64_Sym; + +/* Macros for accessing the fields of st_info. */ +#define ELF64_ST_BIND(info) ((info) >> 4) +#define ELF64_ST_TYPE(info) ((info) & 0xf) + +/* Macro for constructing st_info from field values. */ +#define ELF64_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) + +/* Macro for accessing the fields of st_other. */ +#define ELF64_ST_VISIBILITY(oth) ((oth) & 0x3) + +/* Structures used by Sun & GNU-style symbol versioning. */ +typedef struct { + Elf64_Half vd_version; + Elf64_Half vd_flags; + Elf64_Half vd_ndx; + Elf64_Half vd_cnt; + Elf64_Word vd_hash; + Elf64_Word vd_aux; + Elf64_Word vd_next; +} Elf64_Verdef; + +typedef struct { + Elf64_Word vda_name; + Elf64_Word vda_next; +} Elf64_Verdaux; + +typedef struct { + Elf64_Half vn_version; + Elf64_Half vn_cnt; + Elf64_Word vn_file; + Elf64_Word vn_aux; + Elf64_Word vn_next; +} Elf64_Verneed; + +typedef struct { + Elf64_Word vna_hash; + Elf64_Half vna_flags; + Elf64_Half vna_other; + Elf64_Word vna_name; + Elf64_Word vna_next; +} Elf64_Vernaux; + +typedef Elf64_Half Elf64_Versym; + +typedef struct { + Elf64_Half si_boundto; /* direct bindings - symbol bound to */ + Elf64_Half si_flags; /* per symbol flags */ +} Elf64_Syminfo; + +#endif /* !_SYS_ELF64_H_ */ diff --git a/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf64Lib.c b/UefiPaylo= adPkg/PayloadLoaderPeim/ElfLib/Elf64Lib.c new file mode 100644 index 0000000000..e364807007 --- /dev/null +++ b/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/Elf64Lib.c @@ -0,0 +1,460 @@ +/** @file + ELF library + + Copyright (c) 2019 - 2021, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "ElfLibInternal.h" + +/** + Return the section header specified by Index. + + @param ImageBase The image base. + @param Index The section index. + + @return Pointer to the section header. +**/ +Elf64_Shdr * +GetElf64SectionByIndex ( + IN UINT8 *ImageBase, + IN UINT32 Index + ) +{ + Elf64_Ehdr *Ehdr; + + Ehdr =3D (Elf64_Ehdr *)ImageBase; + if (Index >=3D Ehdr->e_shnum) { + return NULL; + } + + return (Elf64_Shdr *)(ImageBase + Ehdr->e_shoff + Index * Ehdr->e_shents= ize); +} + +/** + Return the segment header specified by Index. + + @param ImageBase The image base. + @param Index The segment index. + + @return Pointer to the segment header. +**/ +Elf64_Phdr * +GetElf64SegmentByIndex ( + IN UINT8 *ImageBase, + IN UINT32 Index + ) +{ + Elf64_Ehdr *Ehdr; + + Ehdr =3D (Elf64_Ehdr *)ImageBase; + if (Index >=3D Ehdr->e_phnum) { + return NULL; + } + + return (Elf64_Phdr *)(ImageBase + Ehdr->e_phoff + Index * Ehdr->e_phents= ize); +} + +/** + Return the section header specified by the range. + + @param ImageBase The image base. + @param Offset The section offset. + @param Size The section size. + + @return Pointer to the section header. +**/ +Elf64_Shdr * +GetElf64SectionByRange ( + IN UINT8 *ImageBase, + IN UINT64 Offset, + IN UINT64 Size + ) +{ + UINT32 Index; + Elf64_Ehdr *Ehdr; + Elf64_Shdr *Shdr; + + Ehdr =3D (Elf64_Ehdr *)ImageBase; + + Shdr =3D (Elf64_Shdr *) (ImageBase + Ehdr->e_shoff); + for (Index =3D 0; Index < Ehdr->e_shnum; Index++) { + if ((Shdr->sh_offset =3D=3D Offset) && (Shdr->sh_size =3D=3D Size)) { + return Shdr; + } + Shdr =3D ELF_NEXT_ENTRY (Elf64_Shdr, Shdr, Ehdr->e_shentsize); + } + return NULL; +} + +/** + Fix up the image based on the relocation entries. + + @param Rela Relocation entries. + @param RelaSize Total size of relocation entries. + @param RelaEntrySize Relocation entry size. + @param RelaType Type of relocation entry. + @param Delta The delta between preferred image base and th= e actual image base. + @param DynamicLinking TRUE when fixing up according to dynamic relo= cation. + + @retval EFI_SUCCESS The image fix up is processed successfully. +**/ +EFI_STATUS +ProcessRelocation64 ( + IN Elf64_Rela *Rela, + IN UINT64 RelaSize, + IN UINT64 RelaEntrySize, + IN UINT64 RelaType, + IN INTN Delta, + IN BOOLEAN DynamicLinking + ) +{ + UINTN Index; + UINT64 *Ptr; + UINT32 Type; + + for ( Index =3D 0 + ; MultU64x64 (RelaEntrySize, Index) < RelaSize + ; Index++, Rela =3D ELF_NEXT_ENTRY (Elf64_Rela, Rela, RelaEntrySize) + ) { + // + // r_offset is the virtual address of the storage unit affected by the= relocation. + // + Ptr =3D (UINT64 *)(UINTN)(Rela->r_offset + Delta); + Type =3D ELF64_R_TYPE(Rela->r_info); + switch (Type) { + case R_X86_64_NONE: + case R_X86_64_PC32: + case R_X86_64_PLT32: + case R_X86_64_GOTPCREL: + case R_X86_64_GOTPCRELX: + case R_X86_64_REX_GOTPCRELX: + break; + + case R_X86_64_64: + if (DynamicLinking) { + // + // Dynamic section doesn't contain entries of this type. + // + DEBUG ((DEBUG_INFO, "Unsupported relocation type %02X\n", Type)); + ASSERT (FALSE); + } else { + *Ptr +=3D Delta; + } + break; + + case R_X86_64_32: + // + // Dynamic section doesn't contain entries of this type. + // + DEBUG ((DEBUG_INFO, "Unsupported relocation type %02X\n", Type)); + ASSERT (FALSE); + break; + + case R_X86_64_RELATIVE: + if (DynamicLinking) { + // + // A: Represents the addend used to compute the value of the rel= ocatable field. + // B: Represents the base address at which a shared object has b= een loaded into memory during execution. + // Generally, a shared object is built with a 0 base virtual = address, but the execution address will be different. + // + // B (Base Address) in ELF spec is slightly different: + // An executable or shared object file's base address (on plat= forms that support the concept) is calculated during + // execution from three values: the virtual memory load addres= s, the maximum page size, and the lowest virtual address + // of a program's loadable segment. To compute the base addres= s, one determines the memory address associated with the + // lowest p_vaddr value for a PT_LOAD segment. This address is= truncated to the nearest multiple of the maximum page size. + // The corresponding p_vaddr value itself is also truncated to= the nearest multiple of the maximum page size. + // + // *** The base address is the difference between the truncate= d memory address and the truncated p_vaddr value. *** + // + // Delta in this function is B. + // + // Calculation: B + A + // + if (RelaType =3D=3D SHT_RELA) { + ASSERT (*Ptr =3D=3D 0); + *Ptr =3D Delta + Rela->r_addend; + } else { + // + // A is stored in the field of relocation for REL type. + // + *Ptr =3D Delta + *Ptr; + } + } else { + // + // non-Dynamic section doesn't contain entries of this type. + // + DEBUG ((DEBUG_INFO, "Unsupported relocation type %02X\n", Type)); + ASSERT (FALSE); + } + break; + + default: + DEBUG ((DEBUG_INFO, "Unsupported relocation type %02X\n", Type)); + } + } + return EFI_SUCCESS; +} + +/** + Relocate the DYN type image. + + @param ElfCt Point to image context. + + @retval EFI_SUCCESS The relocation succeeds. + @retval EFI_UNSUPPORTED The image doesn't contain a dynamic section. +**/ +EFI_STATUS +RelocateElf64Dynamic ( + IN ELF_IMAGE_CONTEXT *ElfCt + ) +{ + UINT32 Index; + Elf64_Phdr *Phdr; + Elf64_Shdr *DynShdr; + Elf64_Shdr *RelShdr; + Elf64_Dyn *Dyn; + UINT64 RelaOffset; + UINT64 RelaCount; + UINT64 RelaSize; + UINT64 RelaEntrySize; + UINT64 RelaType; + + // + // 1. Locate the dynamic section. + // + // If an object file participates in dynamic linking, its program header= table + // will have an element of type PT_DYNAMIC. + // This ``segment'' contains the .dynamic section. A special symbol, _DY= NAMIC, + // labels the section, which contains an array of Elf32_Dyn or Elf64_Dyn. + // + DynShdr =3D NULL; + for (Index =3D 0; Index < ElfCt->PhNum; Index++) { + Phdr =3D GetElf64SegmentByIndex (ElfCt->FileBase, Index); + ASSERT (Phdr !=3D NULL); + if (Phdr->p_type =3D=3D PT_DYNAMIC) { + // + // Verify the existence of the dynamic section. + // + DynShdr =3D GetElf64SectionByRange (ElfCt->FileBase, Phdr->p_offset,= Phdr->p_filesz); + break; + } + } + + // + // It's abnormal a DYN ELF doesn't contain a dynamic section. + // + ASSERT (DynShdr !=3D NULL); + if (DynShdr =3D=3D NULL) { + return EFI_UNSUPPORTED; + } + ASSERT (DynShdr->sh_type =3D=3D SHT_DYNAMIC); + ASSERT (DynShdr->sh_entsize >=3D sizeof (*Dyn)); + + // + // 2. Locate the relocation section from the dynamic section. + // + RelaOffset =3D MAX_UINT64; + RelaSize =3D 0; + RelaCount =3D 0; + RelaEntrySize =3D 0; + RelaType =3D 0; + for ( Index =3D 0, Dyn =3D (Elf64_Dyn *) (ElfCt->FileBase + DynShdr->sh_= offset) + ; Index < DivU64x64Remainder (DynShdr->sh_size, DynShdr->sh_entsize,= NULL) + ; Index++, Dyn =3D ELF_NEXT_ENTRY (Elf64_Dyn, Dyn, DynShdr->sh_entsi= ze) + ) { + switch (Dyn->d_tag) { + case DT_RELA: + case DT_REL: + // + // DT_REL represent program virtual addresses. + // A file's virtual addresses might not match the memory virtual a= ddresses during execution. + // When interpreting addresses contained in the dynamic structure,= the dynamic linker computes actual addresses, + // based on the original file value and the memory base address. + // For consistency, files do not contain relocation entries to ``c= orrect'' addresses in the dynamic structure. + // + RelaOffset =3D Dyn->d_un.d_ptr - (UINTN) ElfCt->PreferredImageAddr= ess; + RelaType =3D (Dyn->d_tag =3D=3D DT_RELA) ? SHT_RELA: SHT_REL; + break; + case DT_RELACOUNT: + case DT_RELCOUNT: + RelaCount =3D Dyn->d_un.d_val; + break; + case DT_RELENT: + case DT_RELAENT: + RelaEntrySize =3D Dyn->d_un.d_val; + break; + case DT_RELSZ: + case DT_RELASZ: + RelaSize =3D Dyn->d_un.d_val; + break; + default: + break; + } + } + + if (RelaOffset =3D=3D MAX_UINT64) { + ASSERT (RelaCount =3D=3D 0); + ASSERT (RelaEntrySize =3D=3D 0); + ASSERT (RelaSize =3D=3D 0); + // + // It's fine that a DYN ELF doesn't contain relocation section. + // + return EFI_SUCCESS; + } + + // + // Verify the existence of the relocation section. + // + RelShdr =3D GetElf64SectionByRange (ElfCt->FileBase, RelaOffset, RelaSiz= e); + ASSERT (RelShdr !=3D NULL); + if (RelShdr =3D=3D NULL) { + return EFI_UNSUPPORTED; + } + ASSERT (RelShdr->sh_type =3D=3D RelaType); + ASSERT (RelShdr->sh_entsize =3D=3D RelaEntrySize); + + // + // 3. Process the relocation section. + // + ProcessRelocation64 ( + (Elf64_Rela *) (ElfCt->FileBase + RelShdr->sh_offset), + RelShdr->sh_size, RelShdr->sh_entsize, RelShdr->sh_type, + (UINTN) ElfCt->ImageAddress - (UINTN) ElfCt->PreferredImageAddress, + TRUE + ); + return EFI_SUCCESS; +} + +/** + Relocate all sections in a ELF image. + + @param[in] ElfCt ELF image context pointer. + + @retval EFI_UNSUPPORTED Relocation is not supported. + @retval EFI_SUCCESS ELF image was relocated successfully. +**/ +EFI_STATUS +RelocateElf64Sections ( + IN ELF_IMAGE_CONTEXT *ElfCt + ) +{ + EFI_STATUS Status; + Elf64_Ehdr *Ehdr; + Elf64_Shdr *RelShdr; + Elf64_Shdr *Shdr; + UINT32 Index; + UINTN Delta; + + Ehdr =3D (Elf64_Ehdr *)ElfCt->FileBase; + if (Ehdr->e_machine !=3D EM_X86_64) { + return EFI_UNSUPPORTED; + } + + Delta =3D (UINTN) ElfCt->ImageAddress - (UINTN) ElfCt->PreferredImageAdd= ress; + ElfCt->EntryPoint =3D (UINTN)(Ehdr->e_entry + Delta); + + // + // 1. Relocate dynamic ELF using the relocation section pointed by dynam= ic section + // + if (Ehdr->e_type =3D=3D ET_DYN) { + DEBUG ((DEBUG_INFO, "DYN ELF: Relocate using dynamic sections...\n")); + Status =3D RelocateElf64Dynamic (ElfCt); + ASSERT_EFI_ERROR (Status); + return Status; + } + + // + // 2. Executable ELF: Fix up the delta between actual image address and = preferred image address. + // + // Linker already fixed up EXEC ELF based on the preferred image addres= s. + // A ELF loader in modern OS only loads it into the preferred image add= ress. + // The below relocation is unneeded in that case. + // But the ELF loader in firmware supports to load the image to a diffe= rent address. + // The below relocation is needed in this case. + // + DEBUG ((DEBUG_INFO, "EXEC ELF: Fix actual/preferred base address delta .= ..\n")); + for ( Index =3D 0, RelShdr =3D (Elf64_Shdr *) (ElfCt->FileBase + Ehdr->e= _shoff) + ; Index < Ehdr->e_shnum + ; Index++, RelShdr =3D ELF_NEXT_ENTRY (Elf64_Shdr, RelShdr, Ehdr->= e_shentsize) + ) { + if ((RelShdr->sh_type !=3D SHT_REL) && (RelShdr->sh_type !=3D SHT_RELA= )) { + continue; + } + Shdr =3D GetElf64SectionByIndex (ElfCt->FileBase, RelShdr->sh_info); + if ((Shdr->sh_flags & SHF_ALLOC) =3D=3D SHF_ALLOC) { + // + // Only fix up sections that occupy memory during process execution. + // + ProcessRelocation64 ( + (Elf64_Rela *)((UINT8*)Ehdr + RelShdr->sh_offset), + RelShdr->sh_size, RelShdr->sh_entsize, RelShdr->sh_type, + Delta, FALSE + ); + } + } + + return EFI_SUCCESS; +} + +/** + Load ELF image which has 64-bit architecture. + + Caller should set Context.ImageAddress to a proper value, either pointin= g to + a new allocated memory whose size equal to Context.ImageSize, or pointing + to Context.PreferredImageAddress. + + @param[in] ElfCt ELF image context pointer. + + @retval EFI_SUCCESS ELF binary is loaded successfully. + @retval Others Loading ELF binary fails. + +**/ +EFI_STATUS +LoadElf64Image ( + IN ELF_IMAGE_CONTEXT *ElfCt + ) +{ + Elf64_Ehdr *Ehdr; + Elf64_Phdr *Phdr; + UINT16 Index; + UINTN Delta; + + ASSERT (ElfCt !=3D NULL); + + // + // Per the sprit of ELF, loading to memory only consumes info from progr= am headers. + // + Ehdr =3D (Elf64_Ehdr *)ElfCt->FileBase; + + for ( Index =3D 0, Phdr =3D (Elf64_Phdr *)(ElfCt->FileBase + Ehdr->e_pho= ff) + ; Index < Ehdr->e_phnum + ; Index++, Phdr =3D ELF_NEXT_ENTRY (Elf64_Phdr, Phdr, Ehdr->e_phents= ize) + ) { + // + // Skip segments that don't require load (type tells, or size is 0) + // + if ((Phdr->p_type !=3D PT_LOAD) || + (Phdr->p_memsz =3D=3D 0)) { + continue; + } + + // + // The memory offset of segment relative to the image base + // Note: CopyMem() does nothing when the dst equals to src. + // + Delta =3D (UINTN) Phdr->p_paddr - (UINTN) ElfCt->PreferredImageAddress; + CopyMem (ElfCt->ImageAddress + Delta, ElfCt->FileBase + (UINTN) Phdr->= p_offset, (UINTN) Phdr->p_filesz); + ZeroMem (ElfCt->ImageAddress + Delta + (UINTN) Phdr->p_filesz, (UINTN)= (Phdr->p_memsz - Phdr->p_filesz)); + } + + // + // Relocate when new new image base is not the preferred image base. + // + if (ElfCt->ImageAddress !=3D ElfCt->PreferredImageAddress) { + RelocateElf64Sections (ElfCt); + } + + return EFI_SUCCESS; +} diff --git a/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfCommon.h b/UefiPayl= oadPkg/PayloadLoaderPeim/ElfLib/ElfCommon.h new file mode 100644 index 0000000000..15c9e33d3f --- /dev/null +++ b/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfCommon.h @@ -0,0 +1,983 @@ +/** @file +Ported ELF include files from FreeBSD + +Copyright (c) 2009 - 2010, Apple Inc. All rights reserved.
+Portions Copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + + +**/ +/*- + * Copyright (c) 1998 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP= OSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENT= IAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STR= ICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY W= AY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/sys/sys/elf_common.h,v 1.15.8.2 2007/12/03 21:30:36 mariu= s Exp $ + */ + +#ifndef _SYS_ELF_COMMON_H_ +#define _SYS_ELF_COMMON_H_ 1 + +/* + * ELF definitions that are independent of architecture or word size. + */ + +/* + * Note header. The ".note" section contains an array of notes. Each + * begins with this header, aligned to a word boundary. Immediately + * following the note header is n_namesz bytes of name, padded to the + * next word boundary. Then comes n_descsz bytes of descriptor, again + * padded to a word boundary. The values of n_namesz and n_descsz do + * not include the padding. + */ + +typedef struct { + UINT32 n_namesz; /* Length of name. */ + UINT32 n_descsz; /* Length of descriptor. */ + UINT32 n_type; /* Type of this note. */ +} Elf_Note; + +/* Indexes into the e_ident array. Keep synced with + http://www.sco.com/developers/gabi/latest/ch4.eheader.html */ +#define EI_MAG0 0 /* Magic number, byte 0. */ +#define EI_MAG1 1 /* Magic number, byte 1. */ +#define EI_MAG2 2 /* Magic number, byte 2. */ +#define EI_MAG3 3 /* Magic number, byte 3. */ +#define EI_CLASS 4 /* Class of machine. */ +#define EI_DATA 5 /* Data format. */ +#define EI_VERSION 6 /* ELF format version. */ +#define EI_OSABI 7 /* Operating system / ABI identification */ +#define EI_ABIVERSION 8 /* ABI version */ +#define OLD_EI_BRAND 8 /* Start of architecture identification. */ +#define EI_PAD 9 /* Start of padding (per SVR4 ABI). */ +#define EI_NIDENT 16 /* Size of e_ident array. */ + +/* Values for the magic number bytes. */ +#define ELFMAG0 0x7f +#define ELFMAG1 'E' +#define ELFMAG2 'L' +#define ELFMAG3 'F' +#define ELFMAG "\177ELF" /* magic string */ +#define SELFMAG 4 /* magic string size */ + +/* Values for e_ident[EI_VERSION] and e_version. */ +#define EV_NONE 0 +#define EV_CURRENT 1 + +/* Values for e_ident[EI_CLASS]. */ +#define ELFCLASSNONE 0 /* Unknown class. */ +#define ELFCLASS32 1 /* 32-bit architecture. */ +#define ELFCLASS64 2 /* 64-bit architecture. */ + +/* Values for e_ident[EI_DATA]. */ +#define ELFDATANONE 0 /* Unknown data format. */ +#define ELFDATA2LSB 1 /* 2's complement little-endian. */ +#define ELFDATA2MSB 2 /* 2's complement big-endian. */ + +/* Values for e_ident[EI_OSABI]. */ +#define ELFOSABI_NONE 0 /* UNIX System V ABI */ +#define ELFOSABI_HPUX 1 /* HP-UX operating system */ +#define ELFOSABI_NETBSD 2 /* NetBSD */ +#define ELFOSABI_LINUX 3 /* GNU/Linux */ +#define ELFOSABI_HURD 4 /* GNU/Hurd */ +#define ELFOSABI_86OPEN 5 /* 86Open common IA32 ABI */ +#define ELFOSABI_SOLARIS 6 /* Solaris */ +#define ELFOSABI_AIX 7 /* AIX */ +#define ELFOSABI_IRIX 8 /* IRIX */ +#define ELFOSABI_FREEBSD 9 /* FreeBSD */ +#define ELFOSABI_TRU64 10 /* TRU64 UNIX */ +#define ELFOSABI_MODESTO 11 /* Novell Modesto */ +#define ELFOSABI_OPENBSD 12 /* OpenBSD */ +#define ELFOSABI_OPENVMS 13 /* Open VMS */ +#define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */ +#define ELFOSABI_ARM 97 /* ARM */ +#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ + +#define ELFOSABI_SYSV ELFOSABI_NONE /* symbol used in old spec */ +#define ELFOSABI_MONTEREY ELFOSABI_AIX /* Monterey */ + +/* e_ident */ +#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] =3D=3D ELFMAG0 && \ + (ehdr).e_ident[EI_MAG1] =3D=3D ELFMAG1 && \ + (ehdr).e_ident[EI_MAG2] =3D=3D ELFMAG2 && \ + (ehdr).e_ident[EI_MAG3] =3D=3D ELFMAG3) + +/* Values for e_type. */ +#define ET_NONE 0 /* Unknown type. */ +#define ET_REL 1 /* Relocatable. */ +#define ET_EXEC 2 /* Executable. */ +#define ET_DYN 3 /* Shared object. */ +#define ET_CORE 4 /* Core file. */ +#define ET_LOOS 0xfe00 /* First operating system specific. */ +#define ET_HIOS 0xfeff /* Last operating system-specific. */ +#define ET_LOPROC 0xff00 /* First processor-specific. */ +#define ET_HIPROC 0xffff /* Last processor-specific. */ + +/* Values for e_machine. */ +#define EM_NONE 0 /* Unknown machine. */ +#define EM_M32 1 /* AT&T WE32100. */ +#define EM_SPARC 2 /* Sun SPARC. */ +#define EM_386 3 /* Intel i386. */ +#define EM_68K 4 /* Motorola 68000. */ +#define EM_88K 5 /* Motorola 88000. */ +#define EM_860 7 /* Intel i860. */ +#define EM_MIPS 8 /* MIPS R3000 Big-Endian only. */ +#define EM_S370 9 /* IBM System/370. */ +#define EM_MIPS_RS3_LE 10 /* MIPS R3000 Little-Endian. */ +#define EM_PARISC 15 /* HP PA-RISC. */ +#define EM_VPP500 17 /* Fujitsu VPP500. */ +#define EM_SPARC32PLUS 18 /* SPARC v8plus. */ +#define EM_960 19 /* Intel 80960. */ +#define EM_PPC 20 /* PowerPC 32-bit. */ +#define EM_PPC64 21 /* PowerPC 64-bit. */ +#define EM_S390 22 /* IBM System/390. */ +#define EM_V800 36 /* NEC V800. */ +#define EM_FR20 37 /* Fujitsu FR20. */ +#define EM_RH32 38 /* TRW RH-32. */ +#define EM_RCE 39 /* Motorola RCE. */ +#define EM_ARM 40 /* ARM. */ +#define EM_SH 42 /* Hitachi SH. */ +#define EM_SPARCV9 43 /* SPARC v9 64-bit. */ +#define EM_TRICORE 44 /* Siemens TriCore embedded processor. */ +#define EM_ARC 45 /* Argonaut RISC Core. */ +#define EM_H8_300 46 /* Hitachi H8/300. */ +#define EM_H8_300H 47 /* Hitachi H8/300H. */ +#define EM_H8S 48 /* Hitachi H8S. */ +#define EM_H8_500 49 /* Hitachi H8/500. */ +#define EM_MIPS_X 51 /* Stanford MIPS-X. */ +#define EM_COLDFIRE 52 /* Motorola ColdFire. */ +#define EM_68HC12 53 /* Motorola M68HC12. */ +#define EM_MMA 54 /* Fujitsu MMA. */ +#define EM_PCP 55 /* Siemens PCP. */ +#define EM_NCPU 56 /* Sony nCPU. */ +#define EM_NDR1 57 /* Denso NDR1 microprocessor. */ +#define EM_STARCORE 58 /* Motorola Star*Core processor. */ +#define EM_ME16 59 /* Toyota ME16 processor. */ +#define EM_ST100 60 /* STMicroelectronics ST100 processor. */ +#define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ processor. */ +#define EM_X86_64 62 /* Advanced Micro Devices x86-64 */ +#define EM_AMD64 EM_X86_64 /* Advanced Micro Devices x86-64 (compat) */ +#define EM_AARCH64 183 /* ARM 64bit Architecture */ + +/* Non-standard or deprecated. */ +#define EM_486 6 /* Intel i486. */ +#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */ +#define EM_ALPHA_STD 41 /* Digital Alpha (standard value). */ +#define EM_ALPHA 0x9026 /* Alpha (written in the absence of an ABI) */ + +/* Special section indexes. */ +#define SHN_UNDEF 0 /* Undefined, missing, irrelevant. */ +#define SHN_LORESERVE 0xff00 /* First of reserved range. */ +#define SHN_LOPROC 0xff00 /* First processor-specific. */ +#define SHN_HIPROC 0xff1f /* Last processor-specific. */ +#define SHN_LOOS 0xff20 /* First operating system-specific. */ +#define SHN_HIOS 0xff3f /* Last operating system-specific. */ +#define SHN_ABS 0xfff1 /* Absolute values. */ +#define SHN_COMMON 0xfff2 /* Common data. */ +#define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere. */ +#define SHN_HIRESERVE 0xffff /* Last of reserved range. */ + +/* sh_type */ +#define SHT_NULL 0 /* inactive */ +#define SHT_PROGBITS 1 /* program defined information */ +#define SHT_SYMTAB 2 /* symbol table section */ +#define SHT_STRTAB 3 /* string table section */ +#define SHT_RELA 4 /* relocation section with addends */ +#define SHT_HASH 5 /* symbol hash table section */ +#define SHT_DYNAMIC 6 /* dynamic section */ +#define SHT_NOTE 7 /* note section */ +#define SHT_NOBITS 8 /* no space section */ +#define SHT_REL 9 /* relocation section - no addends */ +#define SHT_SHLIB 10 /* reserved - purpose unknown */ +#define SHT_DYNSYM 11 /* dynamic symbol table section */ +#define SHT_INIT_ARRAY 14 /* Initialization function pointers. */ +#define SHT_FINI_ARRAY 15 /* Termination function pointers. */ +#define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs. */ +#define SHT_GROUP 17 /* Section group. */ +#define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX). */ +#define SHT_LOOS 0x60000000 /* First of OS specific semantics */ +#define SHT_LOSUNW 0x6ffffff4 +#define SHT_SUNW_dof 0x6ffffff4 +#define SHT_SUNW_cap 0x6ffffff5 +#define SHT_SUNW_SIGNATURE 0x6ffffff6 +#define SHT_SUNW_ANNOTATE 0x6ffffff7 +#define SHT_SUNW_DEBUGSTR 0x6ffffff8 +#define SHT_SUNW_DEBUG 0x6ffffff9 +#define SHT_SUNW_move 0x6ffffffa +#define SHT_SUNW_COMDAT 0x6ffffffb +#define SHT_SUNW_syminfo 0x6ffffffc +#define SHT_SUNW_verdef 0x6ffffffd +#define SHT_GNU_verdef 0x6ffffffd /* Symbol versions provided */ +#define SHT_SUNW_verneed 0x6ffffffe +#define SHT_GNU_verneed 0x6ffffffe /* Symbol versions required */ +#define SHT_SUNW_versym 0x6fffffff +#define SHT_GNU_versym 0x6fffffff /* Symbol version table */ +#define SHT_HISUNW 0x6fffffff +#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */ +#define SHT_LOPROC 0x70000000 /* reserved range for processor */ +#define SHT_AMD64_UNWIND 0x70000001 /* unwind information */ +#define SHT_HIPROC 0x7fffffff /* specific section header types */ +#define SHT_LOUSER 0x80000000 /* reserved range for application */ +#define SHT_HIUSER 0xffffffff /* specific indexes */ + +/* Flags for sh_flags. */ +#define SHF_WRITE 0x1 /* Section contains writable data. */ +#define SHF_ALLOC 0x2 /* Section occupies memory. */ +#define SHF_EXECINSTR 0x4 /* Section contains instructions. */ +#define SHF_MERGE 0x10 /* Section may be merged. */ +#define SHF_STRINGS 0x20 /* Section contains strings. */ +#define SHF_INFO_LINK 0x40 /* sh_info holds section index. */ +#define SHF_LINK_ORDER 0x80 /* Special ordering requirements. */ +#define SHF_OS_NONCONFORMING 0x100 /* OS-specific processing required. */ +#define SHF_GROUP 0x200 /* Member of section group. */ +#define SHF_TLS 0x400 /* Section contains TLS data. */ +#define SHF_MASKOS 0x0ff00000 /* OS-specific semantics. */ +#define SHF_MASKPROC 0xf0000000 /* Processor-specific semantics. */ + +/* Values for p_type. */ +#define PT_NULL 0 /* Unused entry. */ +#define PT_LOAD 1 /* Loadable segment. */ +#define PT_DYNAMIC 2 /* Dynamic linking information segment. */ +#define PT_INTERP 3 /* Pathname of interpreter. */ +#define PT_NOTE 4 /* Auxiliary information. */ +#define PT_SHLIB 5 /* Reserved (not used). */ +#define PT_PHDR 6 /* Location of program header itself. */ +#define PT_TLS 7 /* Thread local storage segment */ +#define PT_LOOS 0x60000000 /* First OS-specific. */ +#define PT_SUNW_UNWIND 0x6464e550 /* amd64 UNWIND program header */ +#define PT_GNU_EH_FRAME 0x6474e550 +#define PT_LOSUNW 0x6ffffffa +#define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */ +#define PT_SUNWSTACK 0x6ffffffb /* describes the stack segment */ +#define PT_SUNWDTRACE 0x6ffffffc /* private */ +#define PT_SUNWCAP 0x6ffffffd /* hard/soft capabilities segment */ +#define PT_HISUNW 0x6fffffff +#define PT_HIOS 0x6fffffff /* Last OS-specific. */ +#define PT_LOPROC 0x70000000 /* First processor-specific type. */ +#define PT_HIPROC 0x7fffffff /* Last processor-specific type. */ + +/* Values for p_flags. */ +#define PF_X 0x1 /* Executable. */ +#define PF_W 0x2 /* Writable. */ +#define PF_R 0x4 /* Readable. */ +#define PF_MASKOS 0x0ff00000 /* Operating system-specific. */ +#define PF_MASKPROC 0xf0000000 /* Processor-specific. */ + +/* Extended program header index. */ +#define PN_XNUM 0xffff + +/* Values for d_tag. */ +#define DT_NULL 0 /* Terminating entry. */ +#define DT_NEEDED 1 /* String table offset of a needed shared + library. */ +#define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */ +#define DT_PLTGOT 3 /* Processor-dependent address. */ +#define DT_HASH 4 /* Address of symbol hash table. */ +#define DT_STRTAB 5 /* Address of string table. */ +#define DT_SYMTAB 6 /* Address of symbol table. */ +#define DT_RELA 7 /* Address of ElfNN_Rela relocations. */ +#define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */ +#define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */ +#define DT_STRSZ 10 /* Size of string table. */ +#define DT_SYMENT 11 /* Size of each symbol table entry. */ +#define DT_INIT 12 /* Address of initialization function. */ +#define DT_FINI 13 /* Address of finalization function. */ +#define DT_SONAME 14 /* String table offset of shared object + name. */ +#define DT_RPATH 15 /* String table offset of library path. [sup] */ +#define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */ +#define DT_REL 17 /* Address of ElfNN_Rel relocations. */ +#define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */ +#define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */ +#define DT_PLTREL 20 /* Type of relocation used for PLT. */ +#define DT_DEBUG 21 /* Reserved (not used). */ +#define DT_TEXTREL 22 /* Indicates there may be relocations in + non-writable segments. [sup] */ +#define DT_JMPREL 23 /* Address of PLT relocations. */ +#define DT_BIND_NOW 24 /* [sup] */ +#define DT_INIT_ARRAY 25 /* Address of the array of pointers to + initialization functions */ +#define DT_FINI_ARRAY 26 /* Address of the array of pointers to + termination functions */ +#define DT_INIT_ARRAYSZ 27 /* Size in bytes of the array of + initialization functions. */ +#define DT_FINI_ARRAYSZ 28 /* Size in bytes of the array of + terminationfunctions. */ +#define DT_RUNPATH 29 /* String table offset of a null-terminated + library search path string. */ +#define DT_FLAGS 30 /* Object specific flag values. */ +#define DT_ENCODING 32 /* Values greater than or equal to DT_ENCODING + and less than DT_LOOS follow the rules for + the interpretation of the d_un union + as follows: even =3D=3D 'd_ptr', even =3D=3D 'd_val' + or none */ +#define DT_PREINIT_ARRAY 32 /* Address of the array of pointers to + pre-initialization functions. */ +#define DT_PREINIT_ARRAYSZ 33 /* Size in bytes of the array of + pre-initialization functions. */ +#define DT_MAXPOSTAGS 34 /* number of positive tags */ +#define DT_LOOS 0x6000000d /* First OS-specific */ +#define DT_SUNW_AUXILIARY 0x6000000d /* symbol auxiliary name */ +#define DT_SUNW_RTLDINF 0x6000000e /* ld.so.1 info (private) */ +#define DT_SUNW_FILTER 0x6000000f /* symbol filter name */ +#define DT_SUNW_CAP 0x60000010 /* hardware/software */ +#define DT_HIOS 0x6ffff000 /* Last OS-specific */ + +/* + * DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the + * Dyn.d_un.d_val field of the Elf*_Dyn structure. + */ +#define DT_VALRNGLO 0x6ffffd00 +#define DT_CHECKSUM 0x6ffffdf8 /* elf checksum */ +#define DT_PLTPADSZ 0x6ffffdf9 /* pltpadding size */ +#define DT_MOVEENT 0x6ffffdfa /* move table entry size */ +#define DT_MOVESZ 0x6ffffdfb /* move table size */ +#define DT_FEATURE_1 0x6ffffdfc /* feature holder */ +#define DT_POSFLAG_1 0x6ffffdfd /* flags for DT_* entries, effecting */ + /* the following DT_* entry. */ + /* See DF_P1_* definitions */ +#define DT_SYMINSZ 0x6ffffdfe /* syminfo table size (in bytes) */ +#define DT_SYMINENT 0x6ffffdff /* syminfo entry size (in bytes) */ +#define DT_VALRNGHI 0x6ffffdff + +/* + * DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the + * Dyn.d_un.d_ptr field of the Elf*_Dyn structure. + * + * If any adjustment is made to the ELF object after it has been + * built, these entries will need to be adjusted. + */ +#define DT_ADDRRNGLO 0x6ffffe00 +#define DT_CONFIG 0x6ffffefa /* configuration information */ +#define DT_DEPAUDIT 0x6ffffefb /* dependency auditing */ +#define DT_AUDIT 0x6ffffefc /* object auditing */ +#define DT_PLTPAD 0x6ffffefd /* pltpadding (sparcv9) */ +#define DT_MOVETAB 0x6ffffefe /* move table */ +#define DT_SYMINFO 0x6ffffeff /* syminfo table */ +#define DT_ADDRRNGHI 0x6ffffeff + +#define DT_VERSYM 0x6ffffff0 /* Address of versym section. */ +#define DT_RELACOUNT 0x6ffffff9 /* number of RELATIVE relocations */ +#define DT_RELCOUNT 0x6ffffffa /* number of RELATIVE relocations */ +#define DT_FLAGS_1 0x6ffffffb /* state flags - see DF_1_* defs */ +#define DT_VERDEF 0x6ffffffc /* Address of verdef section. */ +#define DT_VERDEFNUM 0x6ffffffd /* Number of elems in verdef section */ +#define DT_VERNEED 0x6ffffffe /* Address of verneed section. */ +#define DT_VERNEEDNUM 0x6fffffff /* Number of elems in verneed section = */ + +#define DT_LOPROC 0x70000000 /* First processor-specific type. */ +#define DT_DEPRECATED_SPARC_REGISTER 0x7000001 +#define DT_AUXILIARY 0x7ffffffd /* shared library auxiliary name */ +#define DT_USED 0x7ffffffe /* ignored - same as needed */ +#define DT_FILTER 0x7fffffff /* shared library filter name */ +#define DT_HIPROC 0x7fffffff /* Last processor-specific type. */ + +/* Values for DT_FLAGS */ +#define DF_ORIGIN 0x0001 /* Indicates that the object being loaded may + make reference to the $ORIGIN substitution + string */ +#define DF_SYMBOLIC 0x0002 /* Indicates "symbolic" linking. */ +#define DF_TEXTREL 0x0004 /* Indicates there may be relocations in + non-writable segments. */ +#define DF_BIND_NOW 0x0008 /* Indicates that the dynamic linker should + process all relocations for the object + containing this entry before transferring + control to the program. */ +#define DF_STATIC_TLS 0x0010 /* Indicates that the shared object or + executable contains code using a static + thread-local storage scheme. */ + +/* Values for n_type. Used in core files. */ +#define NT_PRSTATUS 1 /* Process status. */ +#define NT_FPREGSET 2 /* Floating point registers. */ +#define NT_PRPSINFO 3 /* Process state info. */ + +/* Symbol Binding - ELFNN_ST_BIND - st_info */ +#define STB_LOCAL 0 /* Local symbol */ +#define STB_GLOBAL 1 /* Global symbol */ +#define STB_WEAK 2 /* like global - lower precedence */ +#define STB_LOOS 10 /* Reserved range for operating system */ +#define STB_HIOS 12 /* specific semantics. */ +#define STB_LOPROC 13 /* reserved range for processor */ +#define STB_HIPROC 15 /* specific semantics. */ + +/* Symbol type - ELFNN_ST_TYPE - st_info */ +#define STT_NOTYPE 0 /* Unspecified type. */ +#define STT_OBJECT 1 /* Data object. */ +#define STT_FUNC 2 /* Function. */ +#define STT_SECTION 3 /* Section. */ +#define STT_FILE 4 /* Source file. */ +#define STT_COMMON 5 /* Uninitialized common block. */ +#define STT_TLS 6 /* TLS object. */ +#define STT_NUM 7 +#define STT_LOOS 10 /* Reserved range for operating system */ +#define STT_HIOS 12 /* specific semantics. */ +#define STT_LOPROC 13 /* reserved range for processor */ +#define STT_HIPROC 15 /* specific semantics. */ + +/* Symbol visibility - ELFNN_ST_VISIBILITY - st_other */ +#define STV_DEFAULT 0x0 /* Default visibility (see binding). */ +#define STV_INTERNAL 0x1 /* Special meaning in relocatable objects. */ +#define STV_HIDDEN 0x2 /* Not visible. */ +#define STV_PROTECTED 0x3 /* Visible but not preemptible. */ + +/* Special symbol table indexes. */ +#define STN_UNDEF 0 /* Undefined symbol index. */ + +/* Symbol versioning flags. */ +#define VER_DEF_CURRENT 1 +#define VER_DEF_IDX(x) VER_NDX(x) + +#define VER_FLG_BASE 0x01 +#define VER_FLG_WEAK 0x02 + +#define VER_NEED_CURRENT 1 +#define VER_NEED_WEAK (1u << 15) +#define VER_NEED_HIDDEN VER_NDX_HIDDEN +#define VER_NEED_IDX(x) VER_NDX(x) + +#define VER_NDX_LOCAL 0 +#define VER_NDX_GLOBAL 1 +#define VER_NDX_GIVEN 2 + +#define VER_NDX_HIDDEN (1u << 15) +#define VER_NDX(x) ((x) & ~(1u << 15)) + +#define CA_SUNW_NULL 0 +#define CA_SUNW_HW_1 1 /* first hardware capabilities entry */ +#define CA_SUNW_SF_1 2 /* first software capabilities entry */ + +/* + * Syminfo flag values + */ +#define SYMINFO_FLG_DIRECT 0x0001 /* symbol ref has direct association = */ + /* to object containing defn. */ +#define SYMINFO_FLG_PASSTHRU 0x0002 /* ignored - see SYMINFO_FLG_FILTER= */ +#define SYMINFO_FLG_COPY 0x0004 /* symbol is a copy-reloc */ +#define SYMINFO_FLG_LAZYLOAD 0x0008 /* object containing defn should be= */ + /* lazily-loaded */ +#define SYMINFO_FLG_DIRECTBIND 0x0010 /* ref should be bound directly t= o */ + /* object containing defn. */ +#define SYMINFO_FLG_NOEXTDIRECT 0x0020 /* don't let an external referen= ce */ + /* directly bind to this symbol */ +#define SYMINFO_FLG_FILTER 0x0002 /* symbol ref is associated to a */ +#define SYMINFO_FLG_AUXILIARY 0x0040 /* standard or auxiliary filter = */ + +/* + * Syminfo.si_boundto values. + */ +#define SYMINFO_BT_SELF 0xffff /* symbol bound to self */ +#define SYMINFO_BT_PARENT 0xfffe /* symbol bound to parent */ +#define SYMINFO_BT_NONE 0xfffd /* no special symbol binding */ +#define SYMINFO_BT_EXTERN 0xfffc /* symbol defined as external */ +#define SYMINFO_BT_LOWRESERVE 0xff00 /* beginning of reserved entries */ + +/* + * Syminfo version values. + */ +#define SYMINFO_NONE 0 /* Syminfo version */ +#define SYMINFO_CURRENT 1 +#define SYMINFO_NUM 2 + +/* + * Relocation types. + * + * All machine architectures are defined here to allow tools on one to + * handle others. + */ + +#define R_386_NONE 0 /* No relocation. */ +#define R_386_32 1 /* Add symbol value. */ +#define R_386_PC32 2 /* Add PC-relative symbol value. */ +#define R_386_GOT32 3 /* Add PC-relative GOT offset. */ +#define R_386_PLT32 4 /* Add PC-relative PLT offset. */ +#define R_386_COPY 5 /* Copy data from shared object. */ +#define R_386_GLOB_DAT 6 /* Set GOT entry to data address. */ +#define R_386_JMP_SLOT 7 /* Set GOT entry to code address. */ +#define R_386_RELATIVE 8 /* Add load address of shared object. */ +#define R_386_GOTOFF 9 /* Add GOT-relative symbol address. */ +#define R_386_GOTPC 10 /* Add PC-relative GOT table address. */ +#define R_386_TLS_TPOFF 14 /* Negative offset in static TLS block */ +#define R_386_TLS_IE 15 /* Absolute address of GOT for -ve static TLS= */ +#define R_386_TLS_GOTIE 16 /* GOT entry for negative static TLS block= */ +#define R_386_TLS_LE 17 /* Negative offset relative to static TLS */ +#define R_386_TLS_GD 18 /* 32 bit offset to GOT (index,off) pair */ +#define R_386_TLS_LDM 19 /* 32 bit offset to GOT (index,zero) pair */ +#define R_386_TLS_GD_32 24 /* 32 bit offset to GOT (index,off) pair */ +#define R_386_TLS_GD_PUSH 25 /* pushl instruction for Sun ABI GD sequen= ce */ +#define R_386_TLS_GD_CALL 26 /* call instruction for Sun ABI GD sequenc= e */ +#define R_386_TLS_GD_POP 27 /* popl instruction for Sun ABI GD sequence= */ +#define R_386_TLS_LDM_32 28 /* 32 bit offset to GOT (index,zero) pair */ +#define R_386_TLS_LDM_PUSH 29 /* pushl instruction for Sun ABI LD seque= nce */ +#define R_386_TLS_LDM_CALL 30 /* call instruction for Sun ABI LD sequen= ce */ +#define R_386_TLS_LDM_POP 31 /* popl instruction for Sun ABI LD sequenc= e */ +#define R_386_TLS_LDO_32 32 /* 32 bit offset from start of TLS block */ +#define R_386_TLS_IE_32 33 /* 32 bit offset to GOT static TLS offset = entry */ +#define R_386_TLS_LE_32 34 /* 32 bit offset within static TLS block */ +#define R_386_TLS_DTPMOD32 35 /* GOT entry containing TLS index */ +#define R_386_TLS_DTPOFF32 36 /* GOT entry containing TLS offset */ +#define R_386_TLS_TPOFF32 37 /* GOT entry of -ve static TLS offset */ + +/* Null relocation */ +#define R_AARCH64_NONE 256 /* No relocation */ +/* Static AArch64 relocations */ + /* Static data relocations */ +#define R_AARCH64_ABS64 257 /* S + A */ +#define R_AARCH64_ABS32 258 /* S + A */ +#define R_AARCH64_ABS16 259 /* S + A */ +#define R_AARCH64_PREL64 260 /* S + A - P */ +#define R_AARCH64_PREL32 261 /* S + A - P */ +#define R_AARCH64_PREL16 262 /* S + A - P */ + /* Group relocations to create a 16, 32, 48, or 64 bit unsigned data valu= e or address inline */ +#define R_AARCH64_MOVW_UABS_G0 263 /* S + A */ +#define R_AARCH64_MOVW_UABS_G0_NC 264 /* S + A */ +#define R_AARCH64_MOVW_UABS_G1 265 /* S + A */ +#define R_AARCH64_MOVW_UABS_G1_NC 266 /* S + A */ +#define R_AARCH64_MOVW_UABS_G2 267 /* S + A */ +#define R_AARCH64_MOVW_UABS_G2_NC 268 /* S + A */ +#define R_AARCH64_MOVW_UABS_G3 269 /* S + A */ + /* Group relocations to create a 16, 32, 48, or 64 bit signed data or off= set value inline */ +#define R_AARCH64_MOVW_SABS_G0 270 /* S + A */ +#define R_AARCH64_MOVW_SABS_G1 271 /* S + A */ +#define R_AARCH64_MOVW_SABS_G2 272 /* S + A */ + /* Relocations to generate 19, 21 and 33 bit PC-relative addresses */ +#define R_AARCH64_LD_PREL_LO19 273 /* S + A - P */ +#define R_AARCH64_ADR_PREL_LO21 274 /* S + A - P */ +#define R_AARCH64_ADR_PREL_PG_HI21 275 /* Page(S+A) - Page(P) */ +#define R_AARCH64_ADR_PREL_PG_HI21_NC 276 /* Page(S+A) - Page(P) */ +#define R_AARCH64_ADD_ABS_LO12_NC 277 /* S + A */ +#define R_AARCH64_LDST8_ABS_LO12_NC 278 /* S + A */ +#define R_AARCH64_LDST16_ABS_LO12_NC 284 /* S + A */ +#define R_AARCH64_LDST32_ABS_LO12_NC 285 /* S + A */ +#define R_AARCH64_LDST64_ABS_LO12_NC 286 /* S + A */ +#define R_AARCH64_LDST128_ABS_LO12_NC 299 /* S + A */ + /* Relocations for control-flow instructions - all offsets are a multiple= of 4 */ +#define R_AARCH64_TSTBR14 279 /* S+A-P */ +#define R_AARCH64_CONDBR19 280 /* S+A-P */ +#define R_AARCH64_JUMP26 282 /* S+A-P */ +#define R_AARCH64_CALL26 283 /* S+A-P */ + /* Group relocations to create a 16, 32, 48, or 64 bit PC-relative offset= inline */ +#define R_AARCH64_MOVW_PREL_G0 287 /* S+A-P */ +#define R_AARCH64_MOVW_PREL_G0_NC 288 /* S+A-P */ +#define R_AARCH64_MOVW_PREL_G1 289 /* S+A-P */ +#define R_AARCH64_MOVW_PREL_G1_NC 290 /* S+A-P */ +#define R_AARCH64_MOVW_PREL_G2 291 /* S+A-P */ +#define R_AARCH64_MOVW_PREL_G2_NC 292 /* S+A-P */ +#define R_AARCH64_MOVW_PREL_G3 293 /* S+A-P */ + /* Group relocations to create a 16, 32, 48, or 64 bit GOT-relative offse= ts inline */ +#define R_AARCH64_MOVW_GOTOFF_G0 300 /* G(S)-GOT */ +#define R_AARCH64_MOVW_GOTOFF_G0_NC 301 /* G(S)-GOT */ +#define R_AARCH64_MOVW_GOTOFF_G1 302 /* G(S)-GOT */ +#define R_AARCH64_MOVW_GOTOFF_G1_NC 303 /* G(S)-GOT */ +#define R_AARCH64_MOVW_GOTOFF_G2 304 /* G(S)-GOT */ +#define R_AARCH64_MOVW_GOTOFF_G2_NC 305 /* G(S)-GOT */ +#define R_AARCH64_MOVW_GOTOFF_G3 306 /* G(S)-GOT */ + /* GOT-relative data relocations */ +#define R_AARCH64_GOTREL64 307 /* S+A-GOT */ +#define R_AARCH64_GOTREL32 308 /* S+A-GOT */ + /* GOT-relative instruction relocations */ +#define R_AARCH64_GOT_LD_PREL19 309 /* G(S)-P */ +#define R_AARCH64_LD64_GOTOFF_LO15 310 /* G(S)-GOT */ +#define R_AARCH64_ADR_GOT_PAGE 311 /* Page(G(S))-Page(P) */ +#define R_AARCH64_LD64_GOT_LO12_NC 312 /* G(S) */ +#define R_AARCH64_LD64_GOTPAGE_LO15 313 /* G(S)-Page(GOT) */ +/* Relocations for thread-local storage */ + /* General Dynamic TLS relocations */ +#define R_AARCH64_TLSGD_ADR_PREL21 512 /* G(TLSIDX(S+A)) - P */ +#define R_AARCH64_TLSGD_ADR_PAGE21 513 /* Page(G(TLSIDX(S+A))) - Page= (P) */ +#define R_AARCH64_TLSGD_ADD_LO12_NC 514 /* G(TLSIDX(S+A)) */ +#define R_AARCH64_TLSGD_MOVW_G1 515 /* G(TLSIDX(S+A)) - GOT */ +#define R_AARCH64_TLSGD_MOVW_G0_NC 516 /* G(TLSIDX(S+A)) - GOT */ + /* Local Dynamic TLS relocations */ +#define R_AARCH64_TLSLD_ADR_PREL21 517 /* G(LDM(S))) - P */ +#define R_AARCH64_TLSLD_ADR_PAGE21 518 /* Page(G(LDM(S)))-Page(P) */ +#define R_AARCH64_TLSLD_ADD_LO12_NC 519 /* G(LDM(S)) */ +#define R_AARCH64_TLSLD_MOVW_G1 520 /* G(LDM(S)) - GOT */ +#define R_AARCH64_TLSLD_MOVW_G0_NC 521 /* G(LDM(S)) - GOT */ +#define R_AARCH64_TLSLD_LD_PREL19 522 /* G(LDM(S)) - P */ +#define R_AARCH64_TLSLD_MOVW_DTPREL_G2 523 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_MOVW_DTPREL_G1 524 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC 525 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_MOVW_DTPREL_G0 526 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC 527 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_ADD_DTPREL_HI12 528 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_ADD_DTPREL_LO12 529 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC 530 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_LDST8_DTPREL_LO12 531 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC 532 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_LDST16_DTPREL_LO12 533 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC 534 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_LDST32_DTPREL_LO12 535 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC 536 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_LDST64_DTPREL_LO12 537 /* DTPREL(S+A) */ +#define R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC 538 /* DTPREL(S+A) */ + /* Initial Exec TLS relocations */ +#define R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 539 /* G(TPREL(S+A)) - GOT */ +#define R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC 540 /* G(TPREL(S+A)) - GOT = */ +#define R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 541 /* Page(G(TPREL(S+A))) = - Page(P) */ +#define R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC 542 /* G(TPREL(S+A)) */ +#define R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 543 /* G(TPREL(S+A)) - P */ + /* Local Exec TLS relocations */ +#define R_AARCH64_TLSLE_MOVW_TPREL_G2 544 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_MOVW_TPREL_G1 545 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_MOVW_TPREL_G1_NC 546 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_MOVW_TPREL_G0 547 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_MOVW_TPREL_G0_NC 548 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_ADD_TPREL_HI12 549 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_ADD_TPREL_LO12 550 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_ADD_TPREL_LO12_NC 551 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_LDST8_TPREL_LO12 552 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC 553 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_LDST16_TPREL_LO12 554 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC 555 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_LDST32_TPREL_LO12 556 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC 557 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_LDST64_TPREL_LO12 558 /* TPREL(S+A) */ +#define R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC 559 /* TPREL(S+A) */ +/* Dynamic relocations */ + /* Dynamic relocations */ +#define R_AARCH64_COPY 1024 +#define R_AARCH64_GLOB_DAT 1025 /* S + A */ +#define R_AARCH64_JUMP_SLOT 1026 /* S + A */ +#define R_AARCH64_RELATIVE 1027 /* Delta(S) + A , Delta(P) + A */ +#define R_AARCH64_TLS_DTPREL64 1028 /* DTPREL(S+A) */ +#define R_AARCH64_TLS_DTPMOD64 1029 /* LDM(S) */ +#define R_AARCH64_TLS_TPREL64 1030 /* TPREL(S+A) */ +#define R_AARCH64_TLS_DTPREL32 1031 /* DTPREL(S+A) */ +#define R_AARCH64_TLS_DTPMOD32 1032 /* LDM(S) */ +#define R_AARCH64_TLS_TPREL32 1033 /* DTPREL(S+A) */ + +#define R_ALPHA_NONE 0 /* No reloc */ +#define R_ALPHA_REFLONG 1 /* Direct 32 bit */ +#define R_ALPHA_REFQUAD 2 /* Direct 64 bit */ +#define R_ALPHA_GPREL32 3 /* GP relative 32 bit */ +#define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */ +#define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */ +#define R_ALPHA_GPDISP 6 /* Add displacement to GP */ +#define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */ +#define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */ +#define R_ALPHA_SREL16 9 /* PC relative 16 bit */ +#define R_ALPHA_SREL32 10 /* PC relative 32 bit */ +#define R_ALPHA_SREL64 11 /* PC relative 64 bit */ +#define R_ALPHA_OP_PUSH 12 /* OP stack push */ +#define R_ALPHA_OP_STORE 13 /* OP stack pop and store */ +#define R_ALPHA_OP_PSUB 14 /* OP stack subtract */ +#define R_ALPHA_OP_PRSHIFT 15 /* OP stack right shift */ +#define R_ALPHA_GPVALUE 16 +#define R_ALPHA_GPRELHIGH 17 +#define R_ALPHA_GPRELLOW 18 +#define R_ALPHA_IMMED_GP_16 19 +#define R_ALPHA_IMMED_GP_HI32 20 +#define R_ALPHA_IMMED_SCN_HI32 21 +#define R_ALPHA_IMMED_BR_HI32 22 +#define R_ALPHA_IMMED_LO32 23 +#define R_ALPHA_COPY 24 /* Copy symbol at runtime */ +#define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */ +#define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */ +#define R_ALPHA_RELATIVE 27 /* Adjust by program base */ + +#define R_ARM_NONE 0 /* No relocation. */ +#define R_ARM_PC24 1 +#define R_ARM_ABS32 2 +#define R_ARM_REL32 3 +#define R_ARM_PC13 4 +#define R_ARM_ABS16 5 +#define R_ARM_ABS12 6 +#define R_ARM_THM_ABS5 7 +#define R_ARM_ABS8 8 +#define R_ARM_SBREL32 9 +#define R_ARM_THM_PC22 10 +#define R_ARM_THM_PC8 11 +#define R_ARM_AMP_VCALL9 12 +#define R_ARM_SWI24 13 +#define R_ARM_THM_SWI8 14 +#define R_ARM_XPC25 15 +#define R_ARM_THM_XPC22 16 +#define R_ARM_COPY 20 /* Copy data from shared object. */ +#define R_ARM_GLOB_DAT 21 /* Set GOT entry to data address. */ +#define R_ARM_JUMP_SLOT 22 /* Set GOT entry to code address. */ +#define R_ARM_RELATIVE 23 /* Add load address of shared object. */ +#define R_ARM_GOTOFF 24 /* Add GOT-relative symbol address. */ +#define R_ARM_GOTPC 25 /* Add PC-relative GOT table address. */ +#define R_ARM_GOT32 26 /* Add PC-relative GOT offset. */ +#define R_ARM_PLT32 27 /* Add PC-relative PLT offset. */ +#define R_ARM_CALL 28 +#define R_ARM_JMP24 29 +#define R_ARM_THM_MOVW_ABS_NC 47 +#define R_ARM_THM_MOVT_ABS 48 + +// Block of PC-relative relocations added to work around gcc putting +// object relocations in static executables. +#define R_ARM_THM_JUMP24 30 +#define R_ARM_PREL31 42 +#define R_ARM_MOVW_PREL_NC 45 +#define R_ARM_MOVT_PREL 46 +#define R_ARM_THM_MOVW_PREL_NC 49 +#define R_ARM_THM_MOVT_PREL 50 +#define R_ARM_THM_JMP6 52 +#define R_ARM_THM_ALU_PREL_11_0 53 +#define R_ARM_THM_PC12 54 +#define R_ARM_REL32_NOI 56 +#define R_ARM_ALU_PC_G0_NC 57 +#define R_ARM_ALU_PC_G0 58 +#define R_ARM_ALU_PC_G1_NC 59 +#define R_ARM_ALU_PC_G1 60 +#define R_ARM_ALU_PC_G2 61 +#define R_ARM_LDR_PC_G1 62 +#define R_ARM_LDR_PC_G2 63 +#define R_ARM_LDRS_PC_G0 64 +#define R_ARM_LDRS_PC_G1 65 +#define R_ARM_LDRS_PC_G2 66 +#define R_ARM_LDC_PC_G0 67 +#define R_ARM_LDC_PC_G1 68 +#define R_ARM_LDC_PC_G2 69 +#define R_ARM_GOT_PREL 96 +#define R_ARM_THM_JUMP11 102 +#define R_ARM_THM_JUMP8 103 +#define R_ARM_TLS_GD32 104 +#define R_ARM_TLS_LDM32 105 +#define R_ARM_TLS_IE32 107 + +#define R_ARM_THM_JUMP19 51 +#define R_ARM_GNU_VTENTRY 100 +#define R_ARM_GNU_VTINHERIT 101 +#define R_ARM_RSBREL32 250 +#define R_ARM_THM_RPC22 251 +#define R_ARM_RREL32 252 +#define R_ARM_RABS32 253 +#define R_ARM_RPC24 254 +#define R_ARM_RBASE 255 + +#define R_PPC_NONE 0 /* No relocation. */ +#define R_PPC_ADDR32 1 +#define R_PPC_ADDR24 2 +#define R_PPC_ADDR16 3 +#define R_PPC_ADDR16_LO 4 +#define R_PPC_ADDR16_HI 5 +#define R_PPC_ADDR16_HA 6 +#define R_PPC_ADDR14 7 +#define R_PPC_ADDR14_BRTAKEN 8 +#define R_PPC_ADDR14_BRNTAKEN 9 +#define R_PPC_REL24 10 +#define R_PPC_REL14 11 +#define R_PPC_REL14_BRTAKEN 12 +#define R_PPC_REL14_BRNTAKEN 13 +#define R_PPC_GOT16 14 +#define R_PPC_GOT16_LO 15 +#define R_PPC_GOT16_HI 16 +#define R_PPC_GOT16_HA 17 +#define R_PPC_PLTREL24 18 +#define R_PPC_COPY 19 +#define R_PPC_GLOB_DAT 20 +#define R_PPC_JMP_SLOT 21 +#define R_PPC_RELATIVE 22 +#define R_PPC_LOCAL24PC 23 +#define R_PPC_UADDR32 24 +#define R_PPC_UADDR16 25 +#define R_PPC_REL32 26 +#define R_PPC_PLT32 27 +#define R_PPC_PLTREL32 28 +#define R_PPC_PLT16_LO 29 +#define R_PPC_PLT16_HI 30 +#define R_PPC_PLT16_HA 31 +#define R_PPC_SDAREL16 32 +#define R_PPC_SECTOFF 33 +#define R_PPC_SECTOFF_LO 34 +#define R_PPC_SECTOFF_HI 35 +#define R_PPC_SECTOFF_HA 36 + +/* + * TLS relocations + */ +#define R_PPC_TLS 67 +#define R_PPC_DTPMOD32 68 +#define R_PPC_TPREL16 69 +#define R_PPC_TPREL16_LO 70 +#define R_PPC_TPREL16_HI 71 +#define R_PPC_TPREL16_HA 72 +#define R_PPC_TPREL32 73 +#define R_PPC_DTPREL16 74 +#define R_PPC_DTPREL16_LO 75 +#define R_PPC_DTPREL16_HI 76 +#define R_PPC_DTPREL16_HA 77 +#define R_PPC_DTPREL32 78 +#define R_PPC_GOT_TLSGD16 79 +#define R_PPC_GOT_TLSGD16_LO 80 +#define R_PPC_GOT_TLSGD16_HI 81 +#define R_PPC_GOT_TLSGD16_HA 82 +#define R_PPC_GOT_TLSLD16 83 +#define R_PPC_GOT_TLSLD16_LO 84 +#define R_PPC_GOT_TLSLD16_HI 85 +#define R_PPC_GOT_TLSLD16_HA 86 +#define R_PPC_GOT_TPREL16 87 +#define R_PPC_GOT_TPREL16_LO 88 +#define R_PPC_GOT_TPREL16_HI 89 +#define R_PPC_GOT_TPREL16_HA 90 + +/* + * The remaining relocs are from the Embedded ELF ABI, and are not in the + * SVR4 ELF ABI. + */ + +#define R_PPC_EMB_NADDR32 101 +#define R_PPC_EMB_NADDR16 102 +#define R_PPC_EMB_NADDR16_LO 103 +#define R_PPC_EMB_NADDR16_HI 104 +#define R_PPC_EMB_NADDR16_HA 105 +#define R_PPC_EMB_SDAI16 106 +#define R_PPC_EMB_SDA2I16 107 +#define R_PPC_EMB_SDA2REL 108 +#define R_PPC_EMB_SDA21 109 +#define R_PPC_EMB_MRKREF 110 +#define R_PPC_EMB_RELSEC16 111 +#define R_PPC_EMB_RELST_LO 112 +#define R_PPC_EMB_RELST_HI 113 +#define R_PPC_EMB_RELST_HA 114 +#define R_PPC_EMB_BIT_FLD 115 +#define R_PPC_EMB_RELSDA 116 + +#define R_SPARC_NONE 0 +#define R_SPARC_8 1 +#define R_SPARC_16 2 +#define R_SPARC_32 3 +#define R_SPARC_DISP8 4 +#define R_SPARC_DISP16 5 +#define R_SPARC_DISP32 6 +#define R_SPARC_WDISP30 7 +#define R_SPARC_WDISP22 8 +#define R_SPARC_HI22 9 +#define R_SPARC_22 10 +#define R_SPARC_13 11 +#define R_SPARC_LO10 12 +#define R_SPARC_GOT10 13 +#define R_SPARC_GOT13 14 +#define R_SPARC_GOT22 15 +#define R_SPARC_PC10 16 +#define R_SPARC_PC22 17 +#define R_SPARC_WPLT30 18 +#define R_SPARC_COPY 19 +#define R_SPARC_GLOB_DAT 20 +#define R_SPARC_JMP_SLOT 21 +#define R_SPARC_RELATIVE 22 +#define R_SPARC_UA32 23 +#define R_SPARC_PLT32 24 +#define R_SPARC_HIPLT22 25 +#define R_SPARC_LOPLT10 26 +#define R_SPARC_PCPLT32 27 +#define R_SPARC_PCPLT22 28 +#define R_SPARC_PCPLT10 29 +#define R_SPARC_10 30 +#define R_SPARC_11 31 +#define R_SPARC_64 32 +#define R_SPARC_OLO10 33 +#define R_SPARC_HH22 34 +#define R_SPARC_HM10 35 +#define R_SPARC_LM22 36 +#define R_SPARC_PC_HH22 37 +#define R_SPARC_PC_HM10 38 +#define R_SPARC_PC_LM22 39 +#define R_SPARC_WDISP16 40 +#define R_SPARC_WDISP19 41 +#define R_SPARC_GLOB_JMP 42 +#define R_SPARC_7 43 +#define R_SPARC_5 44 +#define R_SPARC_6 45 +#define R_SPARC_DISP64 46 +#define R_SPARC_PLT64 47 +#define R_SPARC_HIX22 48 +#define R_SPARC_LOX10 49 +#define R_SPARC_H44 50 +#define R_SPARC_M44 51 +#define R_SPARC_L44 52 +#define R_SPARC_REGISTER 53 +#define R_SPARC_UA64 54 +#define R_SPARC_UA16 55 +#define R_SPARC_TLS_GD_HI22 56 +#define R_SPARC_TLS_GD_LO10 57 +#define R_SPARC_TLS_GD_ADD 58 +#define R_SPARC_TLS_GD_CALL 59 +#define R_SPARC_TLS_LDM_HI22 60 +#define R_SPARC_TLS_LDM_LO10 61 +#define R_SPARC_TLS_LDM_ADD 62 +#define R_SPARC_TLS_LDM_CALL 63 +#define R_SPARC_TLS_LDO_HIX22 64 +#define R_SPARC_TLS_LDO_LOX10 65 +#define R_SPARC_TLS_LDO_ADD 66 +#define R_SPARC_TLS_IE_HI22 67 +#define R_SPARC_TLS_IE_LO10 68 +#define R_SPARC_TLS_IE_LD 69 +#define R_SPARC_TLS_IE_LDX 70 +#define R_SPARC_TLS_IE_ADD 71 +#define R_SPARC_TLS_LE_HIX22 72 +#define R_SPARC_TLS_LE_LOX10 73 +#define R_SPARC_TLS_DTPMOD32 74 +#define R_SPARC_TLS_DTPMOD64 75 +#define R_SPARC_TLS_DTPOFF32 76 +#define R_SPARC_TLS_DTPOFF64 77 +#define R_SPARC_TLS_TPOFF32 78 +#define R_SPARC_TLS_TPOFF64 79 + +#define R_X86_64_NONE 0 /* No relocation. */ +#define R_X86_64_64 1 /* Add 64 bit symbol value. */ +#define R_X86_64_PC32 2 /* PC-relative 32 bit signed sym value. */ +#define R_X86_64_GOT32 3 /* PC-relative 32 bit GOT offset. */ +#define R_X86_64_PLT32 4 /* PC-relative 32 bit PLT offset. */ +#define R_X86_64_COPY 5 /* Copy data from shared object. */ +#define R_X86_64_GLOB_DAT 6 /* Set GOT entry to data address. */ +#define R_X86_64_JMP_SLOT 7 /* Set GOT entry to code address. */ +#define R_X86_64_RELATIVE 8 /* Add load address of shared object. */ +#define R_X86_64_GOTPCREL 9 /* Add 32 bit signed pcrel offset to GOT. */ +#define R_X86_64_32 10 /* Add 32 bit zero extended symbol value */ +#define R_X86_64_32S 11 /* Add 32 bit sign extended symbol value */ +#define R_X86_64_16 12 /* Add 16 bit zero extended symbol value */ +#define R_X86_64_PC16 13 /* Add 16 bit signed extended pc relative sy= mbol value */ +#define R_X86_64_8 14 /* Add 8 bit zero extended symbol value */ +#define R_X86_64_PC8 15 /* Add 8 bit signed extended pc relative symb= ol value */ +#define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */ +#define R_X86_64_DTPOFF64 17 /* Offset in TLS block */ +#define R_X86_64_TPOFF64 18 /* Offset in static TLS block */ +#define R_X86_64_TLSGD 19 /* PC relative offset to GD GOT entry */ +#define R_X86_64_TLSLD 20 /* PC relative offset to LD GOT entry */ +#define R_X86_64_DTPOFF32 21 /* Offset in TLS block */ +#define R_X86_64_GOTTPOFF 22 /* PC relative offset to IE GOT entry */ +#define R_X86_64_TPOFF32 23 /* Offset in static TLS block */ +#define R_X86_64_PC64 24 /* PC relative 64 bit */ +#define R_X86_64_GOTOFF64 25 /* 64 bit offset to GOT */ +#define R_X86_64_GOTPC3 26 /* 32 bit signed pc relative offset to GOT */ +#define R_X86_64_GOT64 27 /* 64-bit GOT entry offset */ +#define R_X86_64_GOTPCREL64 28 /* 64-bit PC relative offset to GOT entr= y */ +#define R_X86_64_GOTPC64 29 /* 64-bit PC relative offset to GOT */ +#define R_X86_64_GOTPLT64 30 /* like GOT64, says PLT entry needed */ +#define R_X86_64_PLTOFF64 31 /* 64-bit GOT relative offset to PLT entry= */ +#define R_X86_64_SIZE32 32 /* Size of symbol plus 32-bit addend */ +#define R_X86_64_SIZE64 33 /* Size of symbol plus 64-bit addend */ +#define R_X86_64_GOTPC32_TLSDESC 34 /* GOT offset for TLS descriptor. */ +#define R_X86_64_TLSDESC_CALL 35 /* Marker for call through TLS descrip= tor. */ +#define R_X86_64_TLSDESC 36 /* TLS descriptor. */ +#define R_X86_64_IRELATIVE 37 /* Adjust indirectly by program base */ +#define R_X86_64_RELATIVE64 38 /* 64-bit adjust by program base */ +#define R_X86_64_GOTPCRELX 41 /* Load from 32 bit signed pc relative of= fset to GOT entry without REX prefix, relaxable. */ +#define R_X86_64_REX_GOTPCRELX 42 /* Load from 32 bit signed pc relativ= e offset to GOT entry with REX prefix, relaxable. */ + + +#endif /* !_SYS_ELF_COMMON_H_ */ diff --git a/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfLib.c b/UefiPayload= Pkg/PayloadLoaderPeim/ElfLib/ElfLib.c new file mode 100644 index 0000000000..531b3486d2 --- /dev/null +++ b/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfLib.c @@ -0,0 +1,473 @@ +/** @file + ELF library + + Copyright (c) 2019 - 2021, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "ElfLibInternal.h" + +/** + Check if the ELF image is valid. + + @param[in] ImageBase Memory address of an image. + + @retval TRUE if valid. + +**/ +BOOLEAN +IsElfFormat ( + IN CONST UINT8 *ImageBase + ) +{ + Elf32_Ehdr *Elf32Hdr; + Elf64_Ehdr *Elf64Hdr; + + ASSERT (ImageBase !=3D NULL); + + Elf32Hdr =3D (Elf32_Ehdr *)ImageBase; + + // + // Start with correct signature "\7fELF" + // + if ((Elf32Hdr->e_ident[EI_MAG0] !=3D ELFMAG0) || + (Elf32Hdr->e_ident[EI_MAG1] !=3D ELFMAG1) || + (Elf32Hdr->e_ident[EI_MAG1] !=3D ELFMAG1) || + (Elf32Hdr->e_ident[EI_MAG2] !=3D ELFMAG2) + ) { + return FALSE; + } + + // + // Support little-endian only + // + if (Elf32Hdr->e_ident[EI_DATA] !=3D ELFDATA2LSB) { + return FALSE; + } + + // + // Check 32/64-bit architecture + // + if (Elf32Hdr->e_ident[EI_CLASS] =3D=3D ELFCLASS64) { + Elf64Hdr =3D (Elf64_Ehdr *)Elf32Hdr; + Elf32Hdr =3D NULL; + } else if (Elf32Hdr->e_ident[EI_CLASS] =3D=3D ELFCLASS32) { + Elf64Hdr =3D NULL; + } else { + return FALSE; + } + + if (Elf64Hdr !=3D NULL) { + // + // Support intel architecture only for now + // + if (Elf64Hdr->e_machine !=3D EM_X86_64) { + return FALSE; + } + + // + // Support ELF types: EXEC (Executable file), DYN (Shared object file) + // + if ((Elf64Hdr->e_type !=3D ET_EXEC) && (Elf64Hdr->e_type !=3D ET_DYN))= { + return FALSE; + } + + // + // Support current ELF version only + // + if (Elf64Hdr->e_version !=3D EV_CURRENT) { + return FALSE; + } + } else { + // + // Support intel architecture only for now + // + if (Elf32Hdr->e_machine !=3D EM_386) { + return FALSE; + } + + // + // Support ELF types: EXEC (Executable file), DYN (Shared object file) + // + if ((Elf32Hdr->e_type !=3D ET_EXEC) && (Elf32Hdr->e_type !=3D ET_DYN))= { + return FALSE; + } + + // + // Support current ELF version only + // + if (Elf32Hdr->e_version !=3D EV_CURRENT) { + return FALSE; + } + } + return TRUE; +} + +/** + Calculate a ELF file size. + + @param[in] ElfCt ELF image context pointer. + @param[out] FileSize Return the file size. + + @retval EFI_INVALID_PARAMETER ElfCt or SecPos is NULL. + @retval EFI_NOT_FOUND Could not find the section. + @retval EFI_SUCCESS Section posistion was filled successfull= y. +**/ +EFI_STATUS +CalculateElfFileSize ( + IN ELF_IMAGE_CONTEXT *ElfCt, + OUT UINTN *FileSize + ) +{ + EFI_STATUS Status; + UINTN FileSize1; + UINTN FileSize2; + Elf32_Ehdr *Elf32Hdr; + Elf64_Ehdr *Elf64Hdr; + UINTN Offset; + UINTN Size; + + if ((ElfCt =3D=3D NULL) || (FileSize =3D=3D NULL)) { + return EFI_INVALID_PARAMETER; + } + + // Use last section as end of file + Status =3D GetElfSectionPos (ElfCt, ElfCt->ShNum - 1, &Offset, &Size); + if (EFI_ERROR(Status)) { + return EFI_UNSUPPORTED; + } + FileSize1 =3D Offset + Size; + + // Use end of section header as end of file + FileSize2 =3D 0; + if (ElfCt->EiClass =3D=3D ELFCLASS32) { + Elf32Hdr =3D (Elf32_Ehdr *)ElfCt->FileBase; + FileSize2 =3D Elf32Hdr->e_shoff + Elf32Hdr->e_shentsize * Elf32Hdr->e_= shnum; + } else if (ElfCt->EiClass =3D=3D ELFCLASS64) { + Elf64Hdr =3D (Elf64_Ehdr *)ElfCt->FileBase; + FileSize2 =3D (UINTN)(Elf64Hdr->e_shoff + Elf64Hdr->e_shentsize * Elf6= 4Hdr->e_shnum); + } + + *FileSize =3D MAX(FileSize1, FileSize2); + + return EFI_SUCCESS; +} + +/** + Get a ELF program segment loading info. + + @param[in] ImageBase Image base. + @param[in] EiClass ELF class. + @param[in] Index ELF segment index. + @param[out] SegInfo The pointer to the segment info. + + @retval EFI_INVALID_PARAMETER ElfCt or SecPos is NULL. + @retval EFI_NOT_FOUND Could not find the section. + @retval EFI_SUCCESS Section posistion was filled successfull= y. +**/ +EFI_STATUS +GetElfSegmentInfo ( + IN UINT8 *ImageBase, + IN UINT32 EiClass, + IN UINT32 Index, + OUT SEGMENT_INFO *SegInfo + ) +{ + Elf32_Phdr *Elf32Phdr; + Elf64_Phdr *Elf64Phdr; + + if ((ImageBase =3D=3D NULL) || (SegInfo =3D=3D NULL)) { + return EFI_INVALID_PARAMETER; + } + + if (EiClass =3D=3D ELFCLASS32) { + Elf32Phdr =3D GetElf32SegmentByIndex (ImageBase, Index); + if (Elf32Phdr !=3D NULL) { + SegInfo->PtType =3D Elf32Phdr->p_type; + SegInfo->Offset =3D Elf32Phdr->p_offset; + SegInfo->Length =3D Elf32Phdr->p_filesz; + SegInfo->MemLen =3D Elf32Phdr->p_memsz; + SegInfo->MemAddr =3D Elf32Phdr->p_paddr; + SegInfo->Alignment =3D Elf32Phdr->p_align; + return EFI_SUCCESS; + } + } else if (EiClass =3D=3D ELFCLASS64) { + Elf64Phdr =3D GetElf64SegmentByIndex (ImageBase, Index); + if (Elf64Phdr !=3D NULL) { + SegInfo->PtType =3D Elf64Phdr->p_type; + SegInfo->Offset =3D (UINTN)Elf64Phdr->p_offset; + SegInfo->Length =3D (UINTN)Elf64Phdr->p_filesz; + SegInfo->MemLen =3D (UINTN)Elf64Phdr->p_memsz; + SegInfo->MemAddr =3D (UINTN)Elf64Phdr->p_paddr; + SegInfo->Alignment =3D (UINTN)Elf64Phdr->p_align; + return EFI_SUCCESS; + } + } + + return EFI_NOT_FOUND; +} + +/** + Parse the ELF image info. + + On return, all fields in ElfCt are updated except ImageAddress. + + @param[in] ImageBase Memory address of an image. + @param[out] ElfCt The EFL image context pointer. + + @retval EFI_INVALID_PARAMETER Input parameters are not valid. + @retval EFI_UNSUPPORTED Unsupported binary type. + @retval EFI_LOAD_ERROR ELF binary loading error. + @retval EFI_SUCCESS ELF binary is loaded successfully. +**/ +EFI_STATUS +EFIAPI +ParseElfImage ( + IN VOID *ImageBase, + OUT ELF_IMAGE_CONTEXT *ElfCt + ) +{ + Elf32_Ehdr *Elf32Hdr; + Elf64_Ehdr *Elf64Hdr; + Elf32_Shdr *Elf32Shdr; + Elf64_Shdr *Elf64Shdr; + EFI_STATUS Status; + UINT32 Index; + SEGMENT_INFO SegInfo; + UINTN End; + UINTN Base; + + if (ElfCt =3D=3D NULL) { + return EFI_INVALID_PARAMETER; + } + ZeroMem (ElfCt, sizeof(ELF_IMAGE_CONTEXT)); + + if (ImageBase =3D=3D NULL) { + return (ElfCt->ParseStatus =3D EFI_INVALID_PARAMETER); + } + + ElfCt->FileBase =3D (UINT8 *)ImageBase; + if (!IsElfFormat (ElfCt->FileBase)) { + return (ElfCt->ParseStatus =3D EFI_UNSUPPORTED); + } + + Elf32Hdr =3D (Elf32_Ehdr *)ElfCt->FileBase; + ElfCt->EiClass =3D Elf32Hdr->e_ident[EI_CLASS]; + if (ElfCt->EiClass =3D=3D ELFCLASS32) { + if ((Elf32Hdr->e_type !=3D ET_EXEC) && (Elf32Hdr->e_type !=3D ET_DYN))= { + return (ElfCt->ParseStatus =3D EFI_UNSUPPORTED); + } + Elf32Shdr =3D (Elf32_Shdr *)GetElf32SectionByIndex (ElfCt->FileBase, E= lf32Hdr->e_shstrndx); + if (Elf32Shdr =3D=3D NULL) { + return (ElfCt->ParseStatus =3D EFI_UNSUPPORTED); + } + ElfCt->EntryPoint =3D (UINTN)Elf32Hdr->e_entry; + ElfCt->ShNum =3D Elf32Hdr->e_shnum; + ElfCt->PhNum =3D Elf32Hdr->e_phnum; + ElfCt->ShStrLen =3D Elf32Shdr->sh_size; + ElfCt->ShStrOff =3D Elf32Shdr->sh_offset; + } else { + Elf64Hdr =3D (Elf64_Ehdr *)Elf32Hdr; + if ((Elf64Hdr->e_type !=3D ET_EXEC) && (Elf64Hdr->e_type !=3D ET_DYN))= { + return (ElfCt->ParseStatus =3D EFI_UNSUPPORTED); + } + Elf64Shdr =3D (Elf64_Shdr *)GetElf64SectionByIndex (ElfCt->FileBase, E= lf64Hdr->e_shstrndx); + if (Elf64Shdr =3D=3D NULL) { + return (ElfCt->ParseStatus =3D EFI_UNSUPPORTED); + } + ElfCt->EntryPoint =3D (UINTN)Elf64Hdr->e_entry; + ElfCt->ShNum =3D Elf64Hdr->e_shnum; + ElfCt->PhNum =3D Elf64Hdr->e_phnum; + ElfCt->ShStrLen =3D (UINT32)Elf64Shdr->sh_size; + ElfCt->ShStrOff =3D (UINT32)Elf64Shdr->sh_offset; + } + + // + // Get the preferred image base and required memory size when loaded to = new location. + // + End =3D 0; + Base =3D MAX_UINT32; + ElfCt->ReloadRequired =3D FALSE; + for (Index =3D 0; Index < ElfCt->PhNum; Index++) { + Status =3D GetElfSegmentInfo (ElfCt->FileBase, ElfCt->EiClass, Index, = &SegInfo); + ASSERT_EFI_ERROR (Status); + + if (SegInfo.PtType !=3D PT_LOAD) { + continue; + } + + if (SegInfo.MemLen !=3D SegInfo.Length) { + // + // Not enough space to execute at current location. + // + ElfCt->ReloadRequired =3D TRUE; + } + + if (Base > (SegInfo.MemAddr & ~(EFI_PAGE_SIZE - 1))) { + Base =3D SegInfo.MemAddr & ~(EFI_PAGE_SIZE - 1); + } + if (End < ALIGN_VALUE (SegInfo.MemAddr + SegInfo.MemLen, EFI_PAGE_SIZE= ) - 1) { + End =3D ALIGN_VALUE (SegInfo.MemAddr + SegInfo.MemLen, EFI_PAGE_SIZE= ) - 1; + } + } + // + // 0 - MAX_UINT32 + 1 equals to 0. + // + ElfCt->ImageSize =3D End - Base + 1; + ElfCt->PreferredImageAddress =3D (VOID *) Base; + + CalculateElfFileSize (ElfCt, &ElfCt->FileSize); + return (ElfCt->ParseStatus =3D EFI_SUCCESS);; +} + +/** + Load the ELF image to Context.ImageAddress. + + Context should be initialized by ParseElfImage(). + Caller should set Context.ImageAddress to a proper value, either pointin= g to + a new allocated memory whose size equal to Context.ImageSize, or pointing + to Context.PreferredImageAddress. + + @param[in] ElfCt ELF image context pointer. + + @retval EFI_INVALID_PARAMETER Input parameters are not valid. + @retval EFI_UNSUPPORTED Unsupported binary type. + @retval EFI_LOAD_ERROR ELF binary loading error. + @retval EFI_SUCCESS ELF binary is loaded successfully. +**/ +EFI_STATUS +EFIAPI +LoadElfImage ( + IN ELF_IMAGE_CONTEXT *ElfCt + ) +{ + EFI_STATUS Status; + + if (ElfCt =3D=3D NULL) { + return EFI_INVALID_PARAMETER; + } + + if (EFI_ERROR (ElfCt->ParseStatus)) { + return ElfCt->ParseStatus; + } + + if (ElfCt->ImageAddress =3D=3D NULL) { + return EFI_INVALID_PARAMETER; + } + + Status =3D EFI_UNSUPPORTED; + if (ElfCt->EiClass =3D=3D ELFCLASS32) { + Status =3D LoadElf32Image (ElfCt); + } else if (ElfCt->EiClass =3D=3D ELFCLASS64) { + Status =3D LoadElf64Image (ElfCt); + } + + return Status; +} + + +/** + Get a ELF section name from its index. + + @param[in] ElfCt ELF image context pointer. + @param[in] SectionIndex ELF section index. + @param[out] SectionName The pointer to the section name. + + @retval EFI_INVALID_PARAMETER ElfCt or SecName is NULL. + @retval EFI_NOT_FOUND Could not find the section. + @retval EFI_SUCCESS Section name was filled successfully. +**/ +EFI_STATUS +EFIAPI +GetElfSectionName ( + IN ELF_IMAGE_CONTEXT *ElfCt, + IN UINT32 SectionIndex, + OUT CHAR8 **SectionName + ) +{ + Elf32_Shdr *Elf32Shdr; + Elf64_Shdr *Elf64Shdr; + CHAR8 *Name; + + if ((ElfCt =3D=3D NULL) || (SectionName =3D=3D NULL)) { + return EFI_INVALID_PARAMETER; + } + + if (EFI_ERROR (ElfCt->ParseStatus)) { + return ElfCt->ParseStatus; + } + + Name =3D NULL; + if (ElfCt->EiClass =3D=3D ELFCLASS32) { + Elf32Shdr =3D GetElf32SectionByIndex (ElfCt->FileBase, SectionIndex); + if ((Elf32Shdr !=3D NULL) && (Elf32Shdr->sh_name < ElfCt->ShStrLen)) { + Name =3D (CHAR8 *)(ElfCt->FileBase + ElfCt->ShStrOff + Elf32Shdr->sh= _name); + } + } else if (ElfCt->EiClass =3D=3D ELFCLASS64) { + Elf64Shdr =3D GetElf64SectionByIndex (ElfCt->FileBase, SectionIndex); + if ((Elf64Shdr !=3D NULL) && (Elf64Shdr->sh_name < ElfCt->ShStrLen)) { + Name =3D (CHAR8 *)(ElfCt->FileBase + ElfCt->ShStrOff + Elf64Shdr->sh= _name); + } + } + + if (Name =3D=3D NULL) { + return EFI_NOT_FOUND; + } + + *SectionName =3D Name; + return EFI_SUCCESS; +} + + +/** + Get the offset and size of x-th ELF section. + + @param[in] ElfCt ELF image context pointer. + @param[in] Index ELF section index. + @param[out] Offset Return the offset of the specific sectio= n. + @param[out] Size Return the size of the specific section. + + @retval EFI_INVALID_PARAMETER ImageBase, Offset or Size is NULL. + @retval EFI_INVALID_PARAMETER EiClass doesn't equal to ELFCLASS32 or E= LFCLASS64. + @retval EFI_NOT_FOUND Could not find the section. + @retval EFI_SUCCESS Offset and Size are returned. +**/ +EFI_STATUS +EFIAPI +GetElfSectionPos ( + IN ELF_IMAGE_CONTEXT *ElfCt, + IN UINT32 Index, + OUT UINTN *Offset, + OUT UINTN *Size + ) +{ + Elf32_Shdr *Elf32Shdr; + Elf64_Shdr *Elf64Shdr; + + if ((ElfCt =3D=3D NULL) || (Offset =3D=3D NULL) || (Size =3D=3D NULL)) { + return EFI_INVALID_PARAMETER; + } + + if (EFI_ERROR (ElfCt->ParseStatus)) { + return ElfCt->ParseStatus; + } + + if (ElfCt->EiClass =3D=3D ELFCLASS32) { + Elf32Shdr =3D GetElf32SectionByIndex (ElfCt->FileBase, Index); + if (Elf32Shdr !=3D NULL) { + *Offset =3D (UINTN)Elf32Shdr->sh_offset; + *Size =3D (UINTN)Elf32Shdr->sh_size; + return EFI_SUCCESS; + } + } else if (ElfCt->EiClass =3D=3D ELFCLASS64) { + Elf64Shdr =3D GetElf64SectionByIndex (ElfCt->FileBase, Index); + if (Elf64Shdr !=3D NULL) { + *Offset =3D (UINTN)Elf64Shdr->sh_offset; + *Size =3D (UINTN)Elf64Shdr->sh_size; + return EFI_SUCCESS; + } + } + + return EFI_NOT_FOUND; +} diff --git a/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfLibInternal.h b/Uef= iPayloadPkg/PayloadLoaderPeim/ElfLib/ElfLibInternal.h new file mode 100644 index 0000000000..3c782807e2 --- /dev/null +++ b/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfLibInternal.h @@ -0,0 +1,109 @@ +/** @file + ELF library + + Copyright (c) 2019 - 2021, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef EFI_LIB_INTERNAL_H_ +#define EFI_LIB_INTERNAL_H_ + +#include +#include +#include +#include "ElfLib.h" +#include "ElfCommon.h" +#include "Elf32.h" +#include "Elf64.h" + +#define ELF_NEXT_ENTRY(EntryType, Current, EntrySize) \ + ((EntryType *) ((UINT8 *)Current + EntrySize)) + + +/** + Return the section header specified by Index. + + @param ImageBase The image base. + @param Index The section index. + + @return Pointer to the section header. +**/ +Elf32_Shdr * +GetElf32SectionByIndex ( + IN UINT8 *ImageBase, + IN UINT32 Index + ); + +/** + Return the section header specified by Index. + + @param ImageBase The image base. + @param Index The section index. + + @return Pointer to the section header. +**/ +Elf64_Shdr * +GetElf64SectionByIndex ( + IN UINT8 *ImageBase, + IN UINT32 Index + ); + +/** + Return the segment header specified by Index. + + @param ImageBase The image base. + @param Index The segment index. + + @return Pointer to the segment header. +**/ +Elf32_Phdr * +GetElf32SegmentByIndex ( + IN UINT8 *ImageBase, + IN UINT32 Index + ); + +/** + Return the segment header specified by Index. + + @param ImageBase The image base. + @param Index The segment index. + + @return Pointer to the segment header. +**/ +Elf64_Phdr * +GetElf64SegmentByIndex ( + IN UINT8 *ImageBase, + IN UINT32 Index + ); + +/** + Load ELF image which has 32-bit architecture + + @param[in] ElfCt ELF image context pointer. + + @retval EFI_SUCCESS ELF binary is loaded successfully. + @retval Others Loading ELF binary fails. + +**/ +EFI_STATUS +LoadElf32Image ( + IN ELF_IMAGE_CONTEXT *ElfCt + ); + +/** + Load ELF image which has 64-bit architecture + + @param[in] ImageBase Memory address of an image. + @param[out] EntryPoint The entry point of loaded ELF image. + + @retval EFI_SUCCESS ELF binary is loaded successfully. + @retval Others Loading ELF binary fails. + +**/ +EFI_STATUS +LoadElf64Image ( + IN ELF_IMAGE_CONTEXT *ElfCt + ); + +#endif diff --git a/UefiPayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.c b/UefiPay= loadPkg/PayloadLoaderPeim/PayloadLoaderPeim.c new file mode 100644 index 0000000000..c619470dbb --- /dev/null +++ b/UefiPayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.c @@ -0,0 +1,187 @@ +/** @file + ELF Load Image Support + +Copyright (c) 2021, Intel Corporation. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include +#include +#include + +#include + +#include +#include +#include +#include +#include + +#include "ElfLib.h" + +/** + The wrapper function of PeiLoadImageLoadImage(). + + @param This - Pointer to EFI_PEI_LOAD_FILE_PPI. + @param FileHandle - Pointer to the FFS file header of the image. + @param ImageAddressArg - Pointer to PE/TE image. + @param ImageSizeArg - Size of PE/TE image. + @param EntryPoint - Pointer to entry point of specified image file = for output. + @param AuthenticationState - Pointer to attestation authentication state= of image. + + @return Status of PeiLoadImageLoadImage(). + +**/ +EFI_STATUS +EFIAPI +PeiLoadFileLoadPayload ( + IN CONST EFI_PEI_LOAD_FILE_PPI *This, + IN EFI_PEI_FILE_HANDLE FileHandle, + OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL + OUT UINT64 *ImageSizeArg, OPTIONAL + OUT EFI_PHYSICAL_ADDRESS *EntryPoint, + OUT UINT32 *AuthenticationState + ) +{ + EFI_STATUS Status; + VOID *Elf; + UNIVERSAL_PAYLOAD_EXTRA_DATA *ExtraData; + ELF_IMAGE_CONTEXT Context; + UNIVERSAL_PAYLOAD_INFO_HEADER *PldInfo; + UINT32 Index; + UINT16 ExtraDataIndex; + CHAR8 *SectionName; + UINTN Offset; + UINTN Size; + UINT32 ExtraDataCount; + UINTN Instance; + + // + // ELF is added to file as RAW section for EDKII bootloader. + // But RAW section might be added by build tool before the ELF RAW secti= on when alignment is specified for ELF RAW section. + // Below loop skips the RAW section that doesn't contain valid ELF image. + // + Instance =3D 0; + do { + Status =3D PeiServicesFfsFindSectionData3 (EFI_SECTION_RAW, Instance++= , FileHandle, &Elf, AuthenticationState); + if (EFI_ERROR (Status)) { + return Status; + } + + ZeroMem (&Context, sizeof (Context)); + Status =3D ParseElfImage (Elf, &Context); + } while (EFI_ERROR (Status)); + + DEBUG (( + DEBUG_INFO, "Payload File Size: 0x%08X, Mem Size: 0x%08x, Reload: %d\n= ", + Context.FileSize, Context.ImageSize, Context.ReloadRequired + )); + + // + // Get UNIVERSAL_PAYLOAD_INFO_HEADER and number of additional PLD sectio= ns. + // + PldInfo =3D NULL; + ExtraDataCount =3D 0; + for (Index =3D 0; Index < Context.ShNum; Index++) { + Status =3D GetElfSectionName (&Context, Index, &SectionName); + if (EFI_ERROR(Status)) { + continue; + } + DEBUG ((DEBUG_INFO, "Payload Section[%d]: %a\n", Index, SectionName)); + if (AsciiStrCmp(SectionName, UNIVERSAL_PAYLOAD_INFO_SEC_NAME) =3D=3D 0= ) { + Status =3D GetElfSectionPos (&Context, Index, &Offset, &Size); + if (!EFI_ERROR(Status)) { + PldInfo =3D (UNIVERSAL_PAYLOAD_INFO_HEADER *)(Context.FileBase + O= ffset); + } + } else if (AsciiStrnCmp(SectionName, UNIVERSAL_PAYLOAD_EXTRA_SEC_NAME_= PREFIX, UNIVERSAL_PAYLOAD_EXTRA_SEC_NAME_PREFIX_LENGTH) =3D=3D 0) { + Status =3D GetElfSectionPos (&Context, Index, &Offset, &Size); + if (!EFI_ERROR (Status)) { + ExtraDataCount++; + } + } + } + + // + // Report the additional PLD sections through HOB. + // + ExtraData =3D BuildGuidHob ( + &gUniversalPayloadExtraDataGuid, + sizeof (UNIVERSAL_PAYLOAD_EXTRA_DATA) + ExtraDataCount * si= zeof (UNIVERSAL_PAYLOAD_EXTRA_DATA_ENTRY) + ); + ExtraData->Count =3D ExtraDataCount; + if (ExtraDataCount !=3D 0) { + for (ExtraDataIndex =3D 0, Index =3D 0; Index < Context.ShNum; Index++= ) { + Status =3D GetElfSectionName (&Context, Index, &SectionName); + if (EFI_ERROR(Status)) { + continue; + } + if (AsciiStrnCmp(SectionName, UNIVERSAL_PAYLOAD_EXTRA_SEC_NAME_PREFI= X, UNIVERSAL_PAYLOAD_EXTRA_SEC_NAME_PREFIX_LENGTH) =3D=3D 0) { + Status =3D GetElfSectionPos (&Context, Index, &Offset, &Size); + if (!EFI_ERROR (Status)) { + ASSERT (ExtraDataIndex < ExtraDataCount); + AsciiStrCpyS ( + ExtraData->Entry[ExtraDataIndex].Identifier, + sizeof(ExtraData->Entry[ExtraDataIndex].Identifier), + SectionName + UNIVERSAL_PAYLOAD_EXTRA_SEC_NAME_PREFIX_LENGTH + ); + ExtraData->Entry[ExtraDataIndex].Base =3D (UINTN)(Context.FileBa= se + Offset); + ExtraData->Entry[ExtraDataIndex].Size =3D Size; + ExtraDataIndex++; + } + } + } + } + + if (Context.ReloadRequired || Context.PreferredImageAddress !=3D Context= .FileBase) { + Context.ImageAddress =3D AllocatePages (EFI_SIZE_TO_PAGES (Context.Ima= geSize)); + } else { + Context.ImageAddress =3D Context.FileBase; + } + + // + // Load ELF into the required base + // + Status =3D LoadElfImage (&Context); + if (!EFI_ERROR(Status)) { + *ImageAddressArg =3D (UINTN) Context.ImageAddress; + *EntryPoint =3D Context.EntryPoint; + *ImageSizeArg =3D Context.ImageSize; + } + return Status; +} + + +EFI_PEI_LOAD_FILE_PPI mPeiLoadFilePpi =3D { + PeiLoadFileLoadPayload +}; + + +EFI_PEI_PPI_DESCRIPTOR gPpiLoadFilePpiList =3D { + (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST), + &gEfiPeiLoadFilePpiGuid, + &mPeiLoadFilePpi +}; +/** + + Install Pei Load File PPI. + + @param FileHandle Handle of the file being invoked. + @param PeiServices Describes the list of possible PEI Services. + + @retval EFI_SUCESS The entry point executes successfully. + @retval Others Some error occurs during the execution of this funct= ion. + +**/ +EFI_STATUS +EFIAPI +InitializePayloadLoaderPeim ( + IN EFI_PEI_FILE_HANDLE FileHandle, + IN CONST EFI_PEI_SERVICES **PeiServices + ) +{ + EFI_STATUS Status; + Status =3D PeiServicesInstallPpi (&gPpiLoadFilePpiList); + + return Status; +} diff --git a/UefiPayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.inf b/UefiP= ayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.inf new file mode 100644 index 0000000000..73f76064a0 --- /dev/null +++ b/UefiPayloadPkg/PayloadLoaderPeim/PayloadLoaderPeim.inf @@ -0,0 +1,59 @@ +## @file +# Produce LoadFile PPI for payload loading. +# +# Copyright (c) 2021, Intel Corporation. All rights reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +## + +[Defines] + INF_VERSION =3D 0x00010005 + BASE_NAME =3D PayloadLoaderPeim + FILE_GUID =3D D071A3B4-3EC1-40C5-BEF8-D0BD4A2446F0 + MODULE_TYPE =3D PEIM + VERSION_STRING =3D 1.0 + + ENTRY_POINT =3D InitializePayloadLoaderPeim + +# +# The following information is for reference only and not required by the = build tools. +# +# VALID_ARCHITECTURES =3D IA32 X64 +# + +[Sources] + PayloadLoaderPeim.c + ElfLib.h + ElfLib/ElfLibInternal.h + ElfLib/ElfCommon.h + ElfLib/Elf32.h + ElfLib/Elf64.h + ElfLib/ElfLibInternal.h + ElfLib/ElfLib.c + ElfLib/Elf32Lib.c + ElfLib/Elf64Lib.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + UefiPayloadPkg/UefiPayloadPkg.dec + +[LibraryClasses] + PcdLib + MemoryAllocationLib + BaseMemoryLib + PeiServicesLib + HobLib + BaseLib + PeimEntryPoint + DebugLib + +[Ppis] + gEfiPeiLoadFilePpiGuid ## PRODUCES + +[Guids] + gUniversalPayloadExtraDataGuid ## PRODUCES + +[Depex] + TRUE --=20 2.31.1.windows.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#76580): https://edk2.groups.io/g/devel/message/76580 Mute This Topic: https://groups.io/mt/83575152/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- From nobody Sun Apr 28 23:42:36 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+76581+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+76581+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1623826803; cv=none; d=zohomail.com; s=zohoarc; b=Bc8sgR7sII47d2bY1gp6X0tLiLY2L3s7Hdb6Z+ky2niOaLLAjj1gjmsbbDbm9Kzfp0zP7G1JP+drXdEtYVOHWHFkeEihvo2u1HqSAhshxf8lVF2uBEzObB1aGfE6Sxz/S8W0zpRsTPImHGrGU+VbKBmxo3w0LHk3x6SeZCjZdH4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1623826803; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=UYlaMfC1W3oinXDFhY+5V/va4RrvJF6K7CHU696GMzA=; b=SmubdX0hiKy/ydNNtqQAAcvGJ883SOSJ6m5lFNkcGWwaQR0xuBJQPvBf6aF8zNyuzkdonIb+2ttNumBlKP4EO91MFVE3fZBmjIrBzAgBPZJ/1kRqSlZ7xhzgHP5dwTIQ1kqBxRR8eFCpA5k1aaSXs/wsXMY70RTECyJqMUmehzE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+76581+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1623826803926469.91199795126875; Wed, 16 Jun 2021 00:00:03 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id 5OnMYY1788612xcNpxfDOFnv; Wed, 16 Jun 2021 00:00:01 -0700 X-Received: from mga06.intel.com (mga06.intel.com []) by mx.groups.io with SMTP id smtpd.web11.4111.1623826792723508227 for ; Tue, 15 Jun 2021 23:59:56 -0700 IronPort-SDR: IClOO82exNRqrfj+KHgfFewImSCcI05Bt7A9mtEM1KVNZA75Oby2+hPNih9ZdrGEu+W+zn+Qsn xVe9gyG9LtoA== X-IronPort-AV: E=McAfee;i="6200,9189,10016"; a="267274888" X-IronPort-AV: E=Sophos;i="5.83,277,1616482800"; d="scan'208";a="267274888" X-Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2021 23:59:56 -0700 IronPort-SDR: bjS9XaAIimqFaOIMv+c0pLVaPVDr1dNeApeeIeeyQrVMPn7hqSgA4PpBF9pDjkPRCfKZJsakHS lzK0xZ/ze3BA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,277,1616482800"; d="scan'208";a="488055301" X-Received: from ray-dev.ccr.corp.intel.com ([10.239.158.87]) by fmsmga002.fm.intel.com with ESMTP; 15 Jun 2021 23:59:54 -0700 From: "Ni, Ray" To: devel@edk2.groups.io Cc: Jian J Wang , Hao A Wu , Dandan Bi , Liming Gao Subject: [edk2-devel] [PATCH v3 3/3] PeiCore: Remove assertion when failing to load PE image Date: Wed, 16 Jun 2021 14:59:22 +0800 Message-Id: <20210616065922.196-4-ray.ni@intel.com> In-Reply-To: <20210616065922.196-1-ray.ni@intel.com> References: <20210616065922.196-1-ray.ni@intel.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,ray.ni@intel.com X-Gm-Message-State: 73wP4DtIrCsx6R7YoYptbllPx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1623826801; bh=48ZWVsaCK9/8nb1w6HYRz0tOVZAcEh5iC8e50o1gN3Q=; h=Cc:Date:From:Reply-To:Subject:To; b=R/GPgKOkle071DgTtZXEg5vPTf9tJb7uvO0CmRkFvOVK0rjRqhvgkR4qdvs+jOEknUf mz3VttNXm67XMUtOjjZOlj39KXWxnbtYGsB/lkIFEDVVd6TNR4/H7p2Ha0dswBgvDQZJW 6APzeS6que6GJFTg1CpHQYoGue6FvN/4kWw= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" EFI_PEI_LOAD_FILE_PPI is invoked by DxeIpl for loading DxeCore. It's possible that the instance produced by PeiCore fails to load but other instances of EFI_PEI_LOAD_FILE_PPI can load. Signed-off-by: Ray Ni Cc: Jian J Wang Acked-by: Hao A Wu Cc: Dandan Bi Cc: Liming Gao --- MdeModulePkg/Core/Pei/Image/Image.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/MdeModulePkg/Core/Pei/Image/Image.c b/MdeModulePkg/Core/Pei/Im= age/Image.c index 1d15774527..5af3895191 100644 --- a/MdeModulePkg/Core/Pei/Image/Image.c +++ b/MdeModulePkg/Core/Pei/Image/Image.c @@ -1,7 +1,7 @@ /** @file Pei Core Load Image Support =20 -Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.
+Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent =20 **/ @@ -661,9 +661,6 @@ PeiLoadImageLoadImage ( &ImageEntryPoint ); =20 - ASSERT_EFI_ERROR (Status); - - if (EFI_ERROR (Status)) { return Status; } --=20 2.31.1.windows.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#76581): https://edk2.groups.io/g/devel/message/76581 Mute This Topic: https://groups.io/mt/83575153/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-