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mach_o_writer/FunctionVariantsWriter.cpp dyld-1340 /dev/null
--- dyld/dyld-1340/mach_o_writer/FunctionVariantsWriter.cpp
+++ /dev/null
@@ -1,105 +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 "Defines.h"
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-
-
-#include "FunctionVariantsWriter.h"
-
-namespace mach_o {
-
-
-//
-// MARK: --- FunctionVariantsRuntimeTableWriter methods ---
-//
-
-FunctionVariantsRuntimeTableWriter* FunctionVariantsRuntimeTableWriter::make(Kind kind, size_t variantsCount)
-{
-    size_t size = offsetof(FunctionVariantsRuntimeTable, entries[variantsCount]);
-    FunctionVariantsRuntimeTableWriter* p = (FunctionVariantsRuntimeTableWriter*)::calloc(size, 1);
-    p->kind  = kind;
-    p->count = (uint32_t)variantsCount;
-    return p;
-}
-
-Error FunctionVariantsRuntimeTableWriter::setEntry(size_t index, uint32_t impl, bool implIsTableIndex, std::span<const uint8_t> flagIndexes)
-{
-    if ( index >= this->count )
-        return Error("index=%lu too large (max=%d)", index, this->count);
-    if ( flagIndexes.size() > 4 )
-        return Error("flagIndexes too large %lu (max 4)", flagIndexes.size());
-    this->entries[index] = { impl, implIsTableIndex };
-    memcpy(this->entries[index].flagBitNums, flagIndexes.data(), flagIndexes.size());
-    return Error::none();
-}
-
-
-//
-// MARK: --- FunctionVariantsWriter methods ---
-//
-
-
-FunctionVariantsWriter::FunctionVariantsWriter(std::span<const FunctionVariantsRuntimeTable*> entries)
-{
-    // compute size of linkedit blob to hold all FunctionVariantsRuntimeTable
-    const size_t firstOffset = sizeof(OnDiskFormat) + entries.size()*sizeof(uint32_t);
-    size_t       size        = firstOffset;
-    for ( const FunctionVariantsRuntimeTable* fvrt : entries )
-        size += fvrt->size();
-    size = (size+7) & (-8);  // LINKEDIT content must be pointer size aligned
-
-    // allocate byte vector to hold whole blob
-    _builtBytes.resize(size);
-    _bytes = _builtBytes;
-
-    // fill in blob header and all entries
-    OnDiskFormat* p             = header();
-    uint32_t      currentOffset = (uint32_t)firstOffset;
-    for ( const FunctionVariantsRuntimeTable* fvrt : entries ) {
-        p->tableOffsets[p->tableCount] = currentOffset;
-        p->tableCount++;
-        size_t entrySize = fvrt->size();
-        assert(currentOffset+entrySize <= size);
-        memcpy(&_builtBytes[currentOffset], fvrt, entrySize);
-        currentOffset += entrySize;
-    }
-}
-
-
-//
-// MARK: --- FunctionVariantFixupsWriter methods ---
-//
-
-FunctionVariantFixupsWriter::FunctionVariantFixupsWriter(std::span<const InternalFixup> entries)
-{
-    _builtBytes.resize(entries.size() * sizeof(InternalFixup));
-    memcpy(_builtBytes.data(), entries.data(), entries.size() * sizeof(InternalFixup));
-    _fixups = std::span<const InternalFixup>((InternalFixup*)_builtBytes.data(), entries.size());
-}
-
-
-} // namespace mach_o