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vmemu
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Guarantee that there is an instruction after the last write to VIP. Also fix mistake when writing to img_based.

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master
xtremegamer1 2 years ago
parent 5e20af15f3
commit 96188edc42
1 changed files with 2 additions and 2 deletions
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4
src/vmemu_t.cpp
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@ -370,7 +370,7 @@ bool emu_t::code_exec_callback(uc_engine* uc, uint64_t address, uint32_t size,
}); });
if (rva_fetch != obj->cc_trace.m_instrs.rend()) if (rva_fetch != obj->cc_trace.m_instrs.rend())
obj->cc_trace.m_instrs.erase((rva_fetch + 1).base(), obj->cc_trace.m_instrs.erase(rva_fetch.base(),
obj->cc_trace.m_instrs.end()); obj->cc_trace.m_instrs.end());
// set the virtual code block vip address information... // set the virtual code block vip address information...
@ -394,7 +394,7 @@ bool emu_t::code_exec_callback(uc_engine* uc, uint64_t address, uint32_t size,
uc_reg_read(uc, vm::instrs::reg_map[obj->cc_trace.m_vip], &vip_addr); uc_reg_read(uc, vm::instrs::reg_map[obj->cc_trace.m_vip], &vip_addr);
obj->cc_blk->m_vip.rva = vip_addr -= obj->m_vm->m_module_base; obj->cc_blk->m_vip.rva = vip_addr -= obj->m_vm->m_module_base;
obj->cc_blk->m_vip.img_based = vip_addr += obj->m_vm->m_image_base; obj->cc_blk->m_vip.img_based = obj->cc_blk->m_vip.rva += obj->m_vm->m_image_base;
uc_context_restore(uc, backup); uc_context_restore(uc, backup);
uc_context_free(backup); uc_context_free(backup);

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