7e0dc68430
* Refactor read/write hooks * add PC to the callbacks * simplify code, merge common code * remove useless tcg frees * use tcg_constant_tl as much as possible, removing most #if in libafl code.
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
#pragma once
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "exec/exec-all.h"
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#include "exec/tb-flush.h"
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#include "libafl/exit.h"
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#include "libafl/hook.h"
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#define LIBAFL_TABLES_SIZE 16384
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#define LIBAFL_TABLES_HASH(p) \
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(((13 * ((size_t)(p))) ^ (((size_t)(p)) >> 15)) % LIBAFL_TABLES_SIZE)
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typedef void (*libafl_instruction_cb)(uint64_t data, target_ulong pc);
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struct libafl_instruction_hook {
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// data
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uint64_t data;
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size_t num;
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target_ulong addr;
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// helpers
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TCGHelperInfo helper_info;
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// next
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struct libafl_instruction_hook* next;
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};
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size_t libafl_qemu_add_instruction_hooks(target_ulong pc,
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libafl_instruction_cb callback,
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uint64_t data, int invalidate);
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int libafl_qemu_remove_instruction_hook(size_t num, int invalidate);
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size_t libafl_qemu_remove_instruction_hooks_at(target_ulong addr,
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int invalidate);
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struct libafl_instruction_hook*
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libafl_search_instruction_hook(target_ulong addr);
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void libafl_qemu_hook_instruction_run(vaddr pc_next);
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