--- dyld/dyld-1340/mach_o_writer/SplitSegWriter.cpp
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright (c) 2017 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 <stdint.h>
-#include <stdio.h>
-#include <string.h>
-
-// mach_o
-#include "Misc.h"
-
-// mach_o_writer
-#include "SplitSegWriter.h"
-
-#include <map>
-
-// FIXME: We should get this from cctools
-#define DYLD_CACHE_ADJ_V2_FORMAT 0x7F
-
-using mach_o::SplitSegInfo;
-
-namespace mach_o {
-
-static void append_uleb128(uint64_t value, std::vector<uint8_t>& out)
-{
-    uint8_t byte;
-    do {
-        byte = value & 0x7F;
-        value &= ~0x7F;
-        if ( value != 0 )
-            byte |= 0x80;
-        out.push_back(byte);
-        value = value >> 7;
-    } while ( byte >= 0x80 );
-}
-
-SplitSegInfoWriter::SplitSegInfoWriter(std::span<const SplitSegInfo::Entry> entries) : SplitSegInfo(nullptr, 0)
-{
-    // Whole         :== <count> FromToSection+
-    // FromToSection :== <from-sect-index> <to-sect-index> <count> ToOffset+
-    // ToOffset      :== <to-sect-offset-delta> <count> FromOffset+
-    // FromOffset    :== <kind> <count> <from-sect-offset-delta>
-
-    typedef uint32_t                                  SectionIndexes;
-    typedef std::map<uint8_t, std::vector<uint64_t> > FromOffsetMap;
-    typedef std::map<uint64_t, FromOffsetMap>         ToOffsetMap;
-    typedef std::map<SectionIndexes, ToOffsetMap>     WholeMap;
-
-    // sort into group by adjustment kind
-    //fprintf(stderr, "_splitSegV2Infos.size=%lu\n", entries.size());
-    WholeMap whole;
-    for ( const Entry& entry : entries ) {
-        SectionIndexes comboIndex  = (uint32_t)entry.fromSectionIndex << 16 | (uint32_t)entry.toSectionIndex;
-        ToOffsetMap&   toOffsets   = whole[comboIndex];
-        FromOffsetMap& fromOffsets = toOffsets[entry.toSectionOffset];
-        fromOffsets[entry.kind].push_back(entry.fromSectionOffset);
-    }
-
-    // Add marker that this is V2 data
-    this->_bytes.reserve(8192);
-    this->_bytes.push_back(DYLD_CACHE_ADJ_V2_FORMAT);
-
-    // stream out
-    // Whole :== <count> FromToSection+
-    append_uleb128(whole.size(), this->_bytes);
-    for (auto& fromToSection : whole) {
-        uint8_t fromSectionIndex = fromToSection.first >> 16;
-        uint8_t toSectionIndex   = fromToSection.first & 0xFFFF;
-        ToOffsetMap& toOffsets   = fromToSection.second;
-        // FromToSection :== <from-sect-index> <to-sect-index> <count> ToOffset+
-        append_uleb128(fromSectionIndex, this->_bytes);
-        append_uleb128(toSectionIndex, this->_bytes);
-        append_uleb128(toOffsets.size(), this->_bytes);
-        //fprintf(stderr, "from sect=%d, to sect=%d, count=%lu\n", fromSectionIndex, toSectionIndex, toOffsets.size());
-        uint64_t lastToOffset = 0;
-        for (auto& fromToOffsets : toOffsets) {
-            uint64_t       toSectionOffset   = fromToOffsets.first;
-            FromOffsetMap& fromOffsets       = fromToOffsets.second;
-            // ToOffset    :== <to-sect-offset-delta> <count> FromOffset+
-            uint64_t toSectionDelta = toSectionOffset - lastToOffset;
-            append_uleb128(toSectionDelta, this->_bytes);
-            append_uleb128(fromOffsets.size(), this->_bytes);
-            for (auto& kindAndOffsets : fromOffsets) {
-                uint8_t kind = kindAndOffsets.first;
-                std::vector<uint64_t>& fromSectOffsets = kindAndOffsets.second;
-                // FromOffset :== <kind> <count> <from-sect-offset-delta>
-                append_uleb128(kind, this->_bytes);
-                append_uleb128(fromSectOffsets.size(), this->_bytes);
-                std::sort(fromSectOffsets.begin(), fromSectOffsets.end());
-                uint64_t lastFromOffset = 0;
-                for (uint64_t offset : fromSectOffsets) {
-                    append_uleb128(offset - lastFromOffset, this->_bytes);
-                    lastFromOffset = offset;
-                }
-            }
-            lastToOffset = toSectionOffset;
-        }
-    }
-
-
-    // always add zero byte to mark end
-    this->_bytes.push_back(0);
-
-    // pad to be 8-btye aligned
-    while ( (this->_bytes.size() % 8) != 0 )
-        this->_bytes.push_back(0);
-
-    // set up buffer
-    this->_infoStart = &this->_bytes.front();
-    this->_infoEnd   = &this->_bytes.back();
-}
-
-} // namepace mach_o