bfe69aea09
* format all (clang format 13) * added clang-format check * re-add missing newline * cargo doc was missing * more brackets * fixed fmt workflow * clang format * shellcheck * install clang-format-13 * update ubuntu for maximum clang-formattability * yml whitespaces * fmt * shellcheck only for .sh * oops path * ignored shellcheck warning
156 lines
5.4 KiB
C
156 lines
5.4 KiB
C
/*******************************************************************************
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BSD 2-Clause License
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Copyright (c) 2020-2021, Andrea Fioraldi
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All rights reserved.
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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 are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (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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#ifndef __ASAN_GIOVESE_H__
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#define __ASAN_GIOVESE_H__
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#include <stdint.h>
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#include <inttypes.h>
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#include <stdlib.h>
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#define target_ulong uint64_t
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#define TARGET_FMT_lx "%" PRIx64
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#define TARGET_FMT_ld "%" PRId64
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#ifndef ASAN_NAME_STR
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#define ASAN_NAME_STR "AddressSanitizer"
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#endif
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#define HIGH_SHADOW_ADDR ((void *)0x02008fff7000ULL)
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#define LOW_SHADOW_ADDR ((void *)0x00007fff8000ULL)
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#define GAP_SHADOW_ADDR ((void *)0x00008fff7000)
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#define HIGH_SHADOW_SIZE (0xdfff0000fffULL)
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#define LOW_SHADOW_SIZE (0xfffefffULL)
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#define GAP_SHADOW_SIZE (0x1ffffffffff)
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#define SHADOW_OFFSET (0x7fff8000ULL)
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/* shadow map byte values */
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#define ASAN_VALID 0x00
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#define ASAN_PARTIAL1 0x01
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#define ASAN_PARTIAL2 0x02
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#define ASAN_PARTIAL3 0x03
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#define ASAN_PARTIAL4 0x04
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#define ASAN_PARTIAL5 0x05
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#define ASAN_PARTIAL6 0x06
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#define ASAN_PARTIAL7 0x07
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#define ASAN_ARRAY_COOKIE 0xac
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#define ASAN_STACK_RZ 0xf0
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#define ASAN_STACK_LEFT_RZ 0xf1
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#define ASAN_STACK_MID_RZ 0xf2
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#define ASAN_STACK_RIGHT_RZ 0xf3
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#define ASAN_STACK_FREED 0xf5
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#define ASAN_STACK_OOSCOPE 0xf8
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#define ASAN_GLOBAL_RZ 0xf9
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#define ASAN_HEAP_RZ 0xe9
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#define ASAN_USER 0xf7
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#define ASAN_HEAP_LEFT_RZ 0xfa
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#define ASAN_HEAP_RIGHT_RZ 0xfb
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#define ASAN_HEAP_FREED 0xfd
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enum {
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ACCESS_TYPE_LOAD,
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ACCESS_TYPE_STORE,
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};
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struct call_context {
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target_ulong *addresses;
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uint32_t tid;
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uint32_t size;
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};
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struct chunk_info {
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target_ulong start;
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target_ulong end;
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struct call_context *alloc_ctx;
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struct call_context *free_ctx; // NULL if chunk is allocated
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};
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extern void *__ag_high_shadow;
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extern void *__ag_low_shadow;
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// ------------------------------------------------------------------------- //
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// Virtual functions, you have to implement them
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// ------------------------------------------------------------------------- //
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///////////////////////////////////////////////////////////////////////////////
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void asan_giovese_populate_context(struct call_context *ctx, target_ulong pc);
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char *asan_giovese_printaddr(target_ulong addr);
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///////////////////////////////////////////////////////////////////////////////
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// ------------------------------------------------------------------------- //
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// Exposed functions
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// ------------------------------------------------------------------------- //
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void asan_giovese_init(void);
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// this has to be fast, ptr is an host pointer
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int asan_giovese_load1(void *ptr);
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int asan_giovese_load2(void *ptr);
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int asan_giovese_load4(void *ptr);
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int asan_giovese_load8(void *ptr);
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int asan_giovese_store1(void *ptr);
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int asan_giovese_store2(void *ptr);
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int asan_giovese_store4(void *ptr);
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int asan_giovese_store8(void *ptr);
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int asan_giovese_loadN(void *ptr, size_t n);
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int asan_giovese_storeN(void *ptr, size_t n);
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int asan_giovese_guest_loadN(target_ulong addr, size_t n);
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int asan_giovese_guest_storeN(target_ulong addr, size_t n);
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int asan_giovese_poison_region(void *ptr, size_t n, uint8_t poison_byte);
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int asan_giovese_user_poison_region(void *ptr, size_t n);
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int asan_giovese_unpoison_region(void *ptr, size_t n);
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int asan_giovese_poison_guest_region(target_ulong addr, size_t n,
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uint8_t poison_byte);
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int asan_giovese_user_poison_guest_region(target_ulong addr, size_t n);
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int asan_giovese_unpoison_guest_region(target_ulong addr, size_t n);
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// addr is a guest pointer
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int asan_giovese_report_and_crash(int access_type, target_ulong addr, size_t n,
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target_ulong pc, target_ulong bp,
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target_ulong sp);
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int asan_giovese_deadly_signal(int signum, target_ulong addr, target_ulong pc,
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target_ulong bp, target_ulong sp);
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int asan_giovese_badfree(target_ulong addr, target_ulong pc);
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struct chunk_info *asan_giovese_alloc_search(target_ulong query);
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void asan_giovese_alloc_remove(target_ulong start, target_ulong end);
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void asan_giovese_alloc_insert(target_ulong start, target_ulong end,
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struct call_context *alloc_ctx);
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#endif
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