forked from vmp3/vmprofiler
parent
599a685b9e
commit
dcb8e1c96a
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#include <vminstrs.hpp>
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namespace vm::instrs {
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profiler_t add = {
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"ADD",
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mnemonic_t::add,
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{{// MOV REG, [VSP]
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LOAD_VALUE,
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// MOV REG, [VSP+OFFSET]
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[&](const zydis_reg_t vip,
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const zydis_reg_t vsp,
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const zydis_decoded_instr_t& instr) -> bool {
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return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
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instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER &&
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instr.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY &&
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instr.operands[1].mem.base == vsp &&
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instr.operands[1].mem.disp.has_displacement;
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},
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// ADD REG, REG
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[&](const zydis_reg_t vip,
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const zydis_reg_t vsp,
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const zydis_decoded_instr_t& instr) -> bool {
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return instr.mnemonic == ZYDIS_MNEMONIC_ADD &&
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instr.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER &&
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instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER;
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},
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// MOV [VSP+OFFSET], REG
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[&](const zydis_reg_t vip,
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const zydis_reg_t vsp,
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const zydis_decoded_instr_t& instr) -> bool {
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return instr.mnemonic == ZYDIS_MNEMONIC_MOV &&
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instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY &&
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instr.operands[0].mem.base == vsp &&
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instr.operands[0].mem.disp.has_displacement &&
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instr.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER;
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},
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// PUSHFQ
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[&](const zydis_reg_t vip,
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const zydis_reg_t vsp,
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const zydis_decoded_instr_t& instr) -> bool {
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return instr.mnemonic == ZYDIS_MNEMONIC_PUSHFQ;
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},
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// POP [VSP]
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[&](const zydis_reg_t vip,
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const zydis_reg_t vsp,
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const zydis_decoded_instr_t& instr) -> bool {
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return instr.mnemonic == ZYDIS_MNEMONIC_POP &&
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instr.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY &&
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instr.operands[0].mem.base == vsp;
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}}},
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[&](zydis_reg_t& vip,
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zydis_reg_t& vsp,
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hndlr_trace_t& hndlr) -> std::optional<vinstr_t> {
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vinstr_t res{mnemonic_t::add};
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// MOV REG, [VSP]
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const auto mov_reg_vsp = std::find_if(
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hndlr.m_instrs.begin(), hndlr.m_instrs.end(),
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[&](emu_instr_t& instr) -> bool {
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const auto& i = instr.m_instr;
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return i.mnemonic == ZYDIS_MNEMONIC_MOV &&
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i.operands[0].type == ZYDIS_OPERAND_TYPE_REGISTER &&
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i.operands[1].type == ZYDIS_OPERAND_TYPE_MEMORY &&
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i.operands[1].mem.base == vsp;
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});
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// MOV [VSP+OFFSET], REG
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const auto mov_vsp_offset = std::find_if(
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hndlr.m_instrs.begin(), hndlr.m_instrs.end(),
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[&](emu_instr_t& instr) -> bool {
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const auto& i = instr.m_instr;
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return i.mnemonic == ZYDIS_MNEMONIC_MOV &&
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i.operands[0].type == ZYDIS_OPERAND_TYPE_MEMORY &&
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i.operands[0].mem.base == vsp &&
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i.operands[0].mem.disp.has_displacement &&
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i.operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER;
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});
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res.stack_size = mov_vsp_offset->m_instr.operands[1].size;
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res.imm.size = mov_reg_vsp->m_instr.operands[1].size;
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return res;
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}};
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}
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