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f21f8e7142
* Remove diverged copy of 'linux-sgx' * Squashed 'sgx-jvm/linux-sgx/' content from commit 3699ffd5e git-subtree-dir: sgx-jvm/linux-sgx git-subtree-split: 3699ffd5ebd8e79d599301fa2e5814e2386cad2d * ENT-1194 - Executable heap * ENT-1194 - Placeholder for passing of enclave context to create_thread
105 lines
4.5 KiB
C++
105 lines
4.5 KiB
C++
/*
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* Copyright (C) 2011-2017 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _LOADER_H_
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#define _LOADER_H_
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#include "se_wrapper.h"
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#include "arch.h"
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#include "enclave.h"
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#include "enclave_creator.h"
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#include "section_info.h"
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#include "launch_checker.h"
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#include "file.h"
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#define GET_RELOC_FAILED ((uint8_t *)-1)
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#if defined(SE_SIM)
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#define ENCLAVE_ID_IOCTL m_enclave_id
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#else
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//only translate enclave id to start address for linux HW mode.
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#define ENCLAVE_ID_IOCTL (sgx_enclave_id_t)((uintptr_t)m_start_addr)
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#endif
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class BinParser;
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class CLoader: private Uncopyable
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{
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public:
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CLoader(uint8_t *mapped_file_base, BinParser &parser);
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virtual ~CLoader();
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int load_enclave(SGXLaunchToken *lc, int flag, const metadata_t *metadata, le_prd_css_file_t *prd_css_file = NULL, sgx_misc_attribute_t *misc_attr = NULL);
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int load_enclave_ex(SGXLaunchToken *lc, bool is_debug, const metadata_t *metadata, le_prd_css_file_t *prd_css_file = NULL, sgx_misc_attribute_t *misc_attr = NULL);
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int destroy_enclave();
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sgx_enclave_id_t get_enclave_id() const;
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const void* get_start_addr() const;
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const secs_t& get_secs() const;
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const std::vector<std::pair<tcs_t *, bool>>& get_tcs_list() const;
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void* get_symbol_address(const char* const sym);
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int set_memory_protection();
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int post_init_action(layout_t *start, layout_t *end, uint64_t delta);
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int post_init_action_commit(layout_t *start, layout_t *end, uint64_t delta);
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private:
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int build_mem_region(const section_info_t &sec_info);
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int build_image(SGXLaunchToken * const lc, sgx_attributes_t * const secs_attr, le_prd_css_file_t *prd_css_file, sgx_misc_attribute_t * const misc_attr);
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int build_secs(sgx_attributes_t * const secs_attr, sgx_misc_attribute_t * const misc_attr);
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int build_context(const uint64_t start_rva, layout_entry_t *layout);
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int build_contexts(layout_t *layout_start, layout_t *layout_end, uint64_t delta);
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int build_partial_page(const uint64_t rva, const uint64_t size, const void *source, const sec_info_t &sinfo, const uint32_t attr);
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int build_pages(const uint64_t start_rva, const uint64_t size, const void *source, const sec_info_t &sinfo, const uint32_t attr);
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bool is_relocation_page(const uint64_t rva, vector<uint8_t> *bitmap);
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bool is_ae(const enclave_css_t *enclave_css);
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bool is_metadata_buffer(uint32_t offset, uint32_t size);
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bool is_enclave_buffer(uint64_t offset, uint64_t size);
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int validate_layout_table();
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int validate_patch_table();
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int validate_metadata();
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int get_debug_flag(const token_t * const launch);
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virtual int build_sections(vector<uint8_t> *bitmap);
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int set_context_protection(layout_t *layout_start, layout_t *layout_end, uint64_t delta);
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uint8_t *m_mapped_file_base;
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sgx_enclave_id_t m_enclave_id;
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void *m_start_addr;
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// the TCS list
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std::vector<std::pair<tcs_t *, bool>> m_tcs_list;
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// the enclave creation parameters
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const metadata_t *m_metadata;
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secs_t m_secs;
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BinParser &m_parser;
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};
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#endif
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