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--- dyld/dyld-733.8/src/dyldInitialization.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
- *
- * Copyright (c) 2004-2008 Apple Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-#define __STDC_LIMIT_MACROS
-#include <stdint.h>
-#include <stddef.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sys/mman.h>
-#include <mach/mach.h>
-
-#include "dyld2.h"
-#include "dyldSyscallInterface.h"
-#include "MachOAnalyzer.h"
-#include "Tracing.h"
-
-// from libc.a
-extern "C" void mach_init();
-extern "C" void __guard_setup(const char* apple[]);
-
-
-// from dyld_debugger.cpp
-extern void syncProcessInfo();
-
-const dyld::SyscallHelpers* gSyscallHelpers = NULL;
-
-
-//
-// Code to bootstrap dyld into a runnable state
-//
-//
-
-namespace dyldbootstrap {
-
-
-// currently dyld has no initializers, but if some come back, set this to non-zero
-#define DYLD_INITIALIZER_SUPPORT 0
-
-
-#if DYLD_INITIALIZER_SUPPORT
-
-typedef void (*Initializer)(int argc, const char* argv[], const char* envp[], const char* apple[]);
-
-extern const Initializer inits_start __asm("section$start$__DATA$__mod_init_func");
-extern const Initializer inits_end __asm("section$end$__DATA$__mod_init_func");
-
-//
-// For a regular executable, the crt code calls dyld to run the executables initializers.
-// For a static executable, crt directly runs the initializers.
-// dyld (should be static) but is a dynamic executable and needs this hack to run its own initializers.
-// We pass argc, argv, etc in case libc.a uses those arguments
-//
-static void runDyldInitializers(int argc, const char* argv[], const char* envp[], const char* apple[])
-{
- for (const Initializer* p = &inits_start; p < &inits_end; ++p) {
- (*p)(argc, argv, envp, apple);
- }
-}
-#endif // DYLD_INITIALIZER_SUPPORT
-
-
-//
-// On disk, all pointers in dyld's DATA segment are chained together.
-// They need to be fixed up to be real pointers to run.
-//
-static void rebaseDyld(const dyld3::MachOLoaded* dyldMH)
-{
- // walk all fixups chains and rebase dyld
- const dyld3::MachOAnalyzer* ma = (dyld3::MachOAnalyzer*)dyldMH;
- assert(ma->hasChainedFixups());
- uintptr_t slide = (long)ma; // all fixup chain based images have a base address of zero, so slide == load address
- __block Diagnostics diag;
- ma->withChainStarts(diag, 0, ^(const dyld_chained_starts_in_image* starts) {
- ma->fixupAllChainedFixups(diag, starts, slide, dyld3::Array<const void*>(), nullptr);
- });
- diag.assertNoError();
-
- // now that rebasing done, initialize mach/syscall layer
- mach_init();
-
- // <rdar://47805386> mark __DATA_CONST segment in dyld as read-only (once fixups are done)
- ma->forEachSegment(^(const dyld3::MachOFile::SegmentInfo& info, bool& stop) {
- if ( info.readOnlyData ) {
- ::mprotect(((uint8_t*)(dyldMH))+info.vmAddr, (size_t)info.vmSize, VM_PROT_READ);
- }
- });
-}
-
-
-
-//
-// This is code to bootstrap dyld. This work in normally done for a program by dyld and crt.
-// In dyld we have to do this manually.
-//
-uintptr_t start(const dyld3::MachOLoaded* appsMachHeader, int argc, const char* argv[],
- const dyld3::MachOLoaded* dyldsMachHeader, uintptr_t* startGlue)
-{
-
- // Emit kdebug tracepoint to indicate dyld bootstrap has started <rdar://46878536>
- dyld3::kdebug_trace_dyld_marker(DBG_DYLD_TIMING_BOOTSTRAP_START, 0, 0, 0, 0);
-
- // if kernel had to slide dyld, we need to fix up load sensitive locations
- // we have to do this before using any global variables
- rebaseDyld(dyldsMachHeader);
-
- // kernel sets up env pointer to be just past end of agv array
- const char** envp = &argv[argc+1];
-
- // kernel sets up apple pointer to be just past end of envp array
- const char** apple = envp;
- while(*apple != NULL) { ++apple; }
- ++apple;
-
- // set up random value for stack canary
- __guard_setup(apple);
-
-#if DYLD_INITIALIZER_SUPPORT
- // run all C++ initializers inside dyld
- runDyldInitializers(argc, argv, envp, apple);
-#endif
-
- // now that we are done bootstrapping dyld, call dyld's main
- uintptr_t appsSlide = appsMachHeader->getSlide();
- return dyld::_main((macho_header*)appsMachHeader, appsSlide, argc, argv, envp, apple, startGlue);
-}
-
-
-#if TARGET_OS_SIMULATOR
-
-extern "C" uintptr_t start_sim(int argc, const char* argv[], const char* envp[], const char* apple[],
- const dyld3::MachOLoaded* mainExecutableMH, const dyld3::MachOLoaded* dyldMH, uintptr_t dyldSlide,
- const dyld::SyscallHelpers*, uintptr_t* startGlue);
-
-
-uintptr_t start_sim(int argc, const char* argv[], const char* envp[], const char* apple[],
- const dyld3::MachOLoaded* mainExecutableMH, const dyld3::MachOLoaded* dyldSimMH, uintptr_t dyldSlide,
- const dyld::SyscallHelpers* sc, uintptr_t* startGlue)
-{
- // save table of syscall pointers
- gSyscallHelpers = sc;
-
- // dyld_sim uses chained rebases, so it always need to be fixed up
- rebaseDyld(dyldSimMH);
-
- // set up random value for stack canary
- __guard_setup(apple);
-
- // setup gProcessInfo to point to host dyld's struct
- dyld::gProcessInfo = (struct dyld_all_image_infos*)(sc->getProcessInfo());
- syncProcessInfo();
-
- // now that we are done bootstrapping dyld, call dyld's main
- uintptr_t appsSlide = mainExecutableMH->getSlide();
- return dyld::_main((macho_header*)mainExecutableMH, appsSlide, argc, argv, envp, apple, startGlue);
-}
-#endif
-
-
-} // end of namespace
-
-
-
-