--- dyld/dyld-1122.1.2/mach_o/FunctionStarts.cpp
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (c) 2021 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@
- */
-
-#include <limits.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "FunctionStarts.h"
-#include "Misc.h"
-
-
-namespace mach_o {
-
-
-FunctionStarts::FunctionStarts(const uint8_t* start, size_t size)
-  : _funcStartsBegin(start), _funcStartsEnd(start+size)
-{
-}
-
-Error FunctionStarts::valid(uint64_t maxFuncOffset) const
-{
-    uint64_t runtimeOffset = 0;
-    for (const uint8_t* p=_funcStartsBegin; p < _funcStartsEnd; ) {
-        bool malformed;
-        uint64_t value = read_uleb128(p, _funcStartsEnd, malformed);
-        if ( malformed )
-            return Error("malformed uleb128 in function-starts data");
-        // a delta of zero marks end of functionStarts stream
-        if ( value == 0 ) {
-            while ( p < _funcStartsEnd ) {
-                if ( *p++ != 0 )
-                    return Error("padding at end of function-starts not all zeros");
-            }
-            return Error::none();
-        }
-        runtimeOffset += value;
-        if ( runtimeOffset > maxFuncOffset )
-            return Error("functions-starts has entry beyond end of TEXT");
-    };
-    return Error("functions-starts not zero terminated");
-}
-
-void FunctionStarts::forEachFunctionStart(uint64_t loadAddr, void (^callback)(uint64_t funcAddr)) const
-{
-    uint64_t runtimeOffset = 0;
-    for (const uint8_t* p=_funcStartsBegin; p < _funcStartsEnd; ) {
-        bool malformed;
-        uint64_t value = read_uleb128(p, _funcStartsEnd, malformed);
-        // a delta of zero marks end of functionStarts stream
-        if ( malformed || (value == 0) )
-            return;
-        runtimeOffset += value;
-        callback(loadAddr+runtimeOffset);
-    };
-}
-
-
-#if BUILDING_MACHO_WRITER
-FunctionStarts::FunctionStarts(uint64_t prefLoadAddr, std::span<const uint64_t> functionAddresses)
-{
-    uint64_t lastAddr = prefLoadAddr;
-    for (uint64_t addr : functionAddresses) {
-        assert(addr >= lastAddr && "function addresses not sorted");
-        // <rdar://problem/10422823> filter out zero-length atoms, so LC_FUNCTION_STARTS address can't spill into next section
-        if ( addr == lastAddr)
-            continue;
-        // FIXME: for 32-bit arm need to check thumbness
-        uint64_t delta = addr - lastAddr;
-        append_uleb128(delta);
-        lastAddr = addr;
-    }
-    // terminate delta encoded list
-    _bytes.push_back(0);
-    // 8-byte align
-    while ( (_bytes.size() % 8) != 0 )
-        _bytes.push_back(0);
-
-    // set up pointers to data can be parsed
-    _funcStartsBegin = &_bytes[0];
-    _funcStartsEnd   = &_bytes[_bytes.size()];
-}
-
-void FunctionStarts::append_uleb128(uint64_t value)
-{
-    uint8_t byte;
-    do {
-        byte = value & 0x7F;
-        value &= ~0x7F;
-        if ( value != 0 )
-            byte |= 0x80;
-        _bytes.push_back(byte);
-        value = value >> 7;
-    } while( byte >= 0x80 );
-}
-
-#endif // BUILDING_MACHO_WRITER
-
-
-
-
-} // namespace mach_o