--- dyld/dyld-1340/mach_o_writer/FunctionStartsWriter.cpp
+++ /dev/null
@@ -1,80 +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 <assert.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <string.h>
-
-// mach_o
-#include "Misc.h"
-
-// mach_o_writer
-#include "FunctionStartsWriter.h"
-
-
-namespace mach_o {
-
-FunctionStartsWriter::FunctionStartsWriter(uint64_t prefLoadAddr, std::span<const uint64_t> functionAddresses) : FunctionStarts(nullptr, 0)
-{
-    uint64_t lastAddr = prefLoadAddr;
-    for (uint64_t addr : functionAddresses) {
-        // firmwares can built with an out of VM addr order of segments
-        assert(addr >= lastAddr
-                || lastAddr == prefLoadAddr && "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.data();
-    _funcStartsEnd   = _bytes.data()+_bytes.size();
-}
-
-void FunctionStartsWriter::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 );
-}
-
-
-
-
-} // namespace mach_o