152 lines
4.8 KiB
C
152 lines
4.8 KiB
C
/*
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* Copyright (c) 2011 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#include <string.h>
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#include <mach-o/loader.h>
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#include <sys/types.h>
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#define DEBUG_ASSERT_COMPONENT_NAME_STRING "kxld"
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#include <AssertMacros.h>
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#include "kxld_util.h"
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#include "kxld_versionmin.h"
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/*******************************************************************************
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*******************************************************************************/
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void
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kxld_versionmin_init_from_macho(KXLDversionmin *versionmin, struct version_min_command *src)
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{
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check(versionmin);
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check(src);
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check((src->cmd == LC_VERSION_MIN_MACOSX) || (src->cmd == LC_VERSION_MIN_IPHONEOS) || (src->cmd == LC_VERSION_MIN_TVOS) || (src->cmd == LC_VERSION_MIN_WATCHOS));
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switch (src->cmd) {
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case LC_VERSION_MIN_MACOSX:
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versionmin->platform = kKxldVersionMinMacOSX;
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break;
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case LC_VERSION_MIN_IPHONEOS:
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versionmin->platform = kKxldVersionMiniPhoneOS;
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break;
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case LC_VERSION_MIN_TVOS:
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versionmin->platform = kKxldVersionMinAppleTVOS;
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break;
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case LC_VERSION_MIN_WATCHOS:
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versionmin->platform = kKxldVersionMinWatchOS;
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break;
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}
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versionmin->version = src->version;
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versionmin->has_versionmin = TRUE;
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}
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void
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kxld_versionmin_init_from_build_cmd(KXLDversionmin *versionmin, struct build_version_command *src)
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{
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check(versionmin);
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check(src);
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switch (src->platform) {
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case PLATFORM_MACOS:
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versionmin->platform = kKxldVersionMinMacOSX;
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break;
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case PLATFORM_IOS:
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versionmin->platform = kKxldVersionMiniPhoneOS;
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break;
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case PLATFORM_TVOS:
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versionmin->platform = kKxldVersionMinAppleTVOS;
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break;
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case PLATFORM_WATCHOS:
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versionmin->platform = kKxldVersionMinWatchOS;
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break;
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default:
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return;
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}
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versionmin->version = src->minos;
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versionmin->has_versionmin = TRUE;
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}
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/*******************************************************************************
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*******************************************************************************/
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void
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kxld_versionmin_clear(KXLDversionmin *versionmin)
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{
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bzero(versionmin, sizeof(*versionmin));
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}
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/*******************************************************************************
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*******************************************************************************/
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u_long
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kxld_versionmin_get_macho_header_size(__unused const KXLDversionmin *versionmin)
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{
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/* TODO: eventually we can just use struct build_version_command */
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return sizeof(struct version_min_command);
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}
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/*******************************************************************************
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*******************************************************************************/
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kern_return_t
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kxld_versionmin_export_macho(const KXLDversionmin *versionmin, u_char *buf,
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u_long *header_offset, u_long header_size)
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{
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kern_return_t rval = KERN_FAILURE;
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struct version_min_command *versionminhdr = NULL;
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check(versionmin);
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check(buf);
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check(header_offset);
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require_action(sizeof(*versionminhdr) <= header_size - *header_offset, finish,
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rval = KERN_FAILURE);
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versionminhdr = (struct version_min_command *) ((void *) (buf + *header_offset));
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bzero(versionminhdr, sizeof(*versionminhdr));
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*header_offset += sizeof(*versionminhdr);
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switch (versionmin->platform) {
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case kKxldVersionMinMacOSX:
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versionminhdr->cmd = LC_VERSION_MIN_MACOSX;
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break;
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case kKxldVersionMiniPhoneOS:
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versionminhdr->cmd = LC_VERSION_MIN_IPHONEOS;
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break;
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case kKxldVersionMinAppleTVOS:
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versionminhdr->cmd = LC_VERSION_MIN_TVOS;
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break;
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case kKxldVersionMinWatchOS:
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versionminhdr->cmd = LC_VERSION_MIN_WATCHOS;
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break;
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default:
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goto finish;
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}
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versionminhdr->cmdsize = (uint32_t) sizeof(*versionminhdr);
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versionminhdr->version = versionmin->version;
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versionminhdr->sdk = 0;
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rval = KERN_SUCCESS;
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finish:
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return rval;
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}
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