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https://github.com/Bareflank/hypervisor
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c35711225c
This patch adds support for unordered_map. Specifically it adds support for libm which is needed by unordered_map as it abuses the ceil function for integer rounding in it's hash function. Signed-off-by: “rianquinn” <“rianquinn@gmail.com”>
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
//
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// Bareflank Hypervisor
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// Copyright (C) 2015 Assured Information Security, Inc.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#include <test_real_elf.h>
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#include <map>
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#include <list>
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#include <vector>
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#ifdef WIN64
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#include <windows.h>
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#else
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#include <sys/mman.h>
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#endif
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std::vector<std::string> g_filenames = {
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VMM_PREFIX_PATH + "/lib/libdummy_lib1_shared.so"_s,
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VMM_PREFIX_PATH + "/lib/libdummy_lib2_shared.so"_s,
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VMM_PREFIX_PATH + "/lib/libc++.so.1.0"_s,
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VMM_PREFIX_PATH + "/lib/libc++abi.so"_s,
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VMM_PREFIX_PATH + "/lib/libc.so"_s,
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VMM_PREFIX_PATH + "/lib/libm.so"_s,
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VMM_PREFIX_PATH + "/lib/libbfpthread_shared.so"_s,
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VMM_PREFIX_PATH + "/lib/libbfsyscall_shared.so"_s,
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VMM_PREFIX_PATH + "/lib/libbfunwind_shared.so"_s,
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VMM_PREFIX_PATH + "/bin/dummy_main_shared"_s
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};
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file g_file;
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bool out_of_memory = false;
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static std::map<const void *, std::shared_ptr<char>> g_memory;
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void *
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platform_alloc_rwe(uint64_t len)
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{
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if (out_of_memory) {
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return nullptr;
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}
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auto addr = aligned_alloc(0x1000, len);
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g_memory[addr] = std::shared_ptr<char>(static_cast<char *>(addr), free);
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#ifdef WIN64
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DWORD oldProtect;
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VirtualProtect(addr, len, PAGE_EXECUTE_READWRITE, &oldProtect);
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#else
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mprotect(addr, len, PROT_READ | PROT_WRITE | PROT_EXEC);
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#endif
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return addr;
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}
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void
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platform_free_rwe(const void *addr, uint64_t len)
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{
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bfignored(len);
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g_memory.erase(addr);
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}
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void *
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platform_memset(void *ptr, char value, uint64_t num)
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{ return memset(ptr, value, num); }
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void *
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platform_memcpy(void *dst, const void *src, uint64_t num)
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{ return memcpy(dst, src, num); }
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