Lightemerald/windows-user-space-emulator
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Use stored RIP as emulators are unreliable

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momo5502
2025-08-24 16:18:26 +02:00
parent 86e0dee91c
commit 0af756abd5
3 changed files with 36 additions and 38 deletions
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16
src/windows-emulator/windows_emulator.cpp
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@@ -466,7 +466,7 @@ void windows_emulator::setup_hooks()
// TODO: Unicorn needs this - This should be handled in the backend
this->emu().hook_instruction(x86_hookable_instructions::invalid, [&] {
// TODO: Unify icicle & unicorn handling
dispatch_illegal_instruction_violation(this->emu(), this->process);
dispatch_illegal_instruction_violation(*this);
return instruction_hook_continuation::skip_instruction; //
});
@@ -477,7 +477,7 @@ void windows_emulator::setup_hooks()
switch (interrupt)
{
case 0:
dispatch_integer_division_by_zero(this->emu(), this->process);
dispatch_integer_division_by_zero(*this);
return;
case 1:
if ((eflags & 0x100) != 0)
@@ -486,19 +486,19 @@ void windows_emulator::setup_hooks()
}
this->callbacks.on_suspicious_activity("Singlestep");
dispatch_single_step(this->emu(), this->process);
dispatch_single_step(*this);
return;
case 3:
this->callbacks.on_suspicious_activity("Breakpoint");
dispatch_breakpoint(this->emu(), this->process);
dispatch_breakpoint(*this);
return;
case 6:
this->callbacks.on_suspicious_activity("Illegal instruction");
dispatch_illegal_instruction_violation(this->emu(), this->process);
dispatch_illegal_instruction_violation(*this);
return;
case 45:
this->callbacks.on_suspicious_activity("DbgPrint");
dispatch_breakpoint(this->emu(), this->process);
dispatch_breakpoint(*this);
return;
default:
if (this->callbacks.on_generic_activity)
@@ -517,12 +517,12 @@ void windows_emulator::setup_hooks()
{
// Unset the GUARD_PAGE flag and dispatch a STATUS_GUARD_PAGE_VIOLATION
this->memory.protect_memory(region.allocation_base, region.length, region.permissions & ~memory_permission_ext::guard);
dispatch_guard_page_violation(this->emu(), this->process, address, operation);
dispatch_guard_page_violation(*this, address, operation);
}
else
{
this->callbacks.on_memory_violate(address, size, operation, type);
dispatch_access_violation(this->emu(), this->process, address, operation);
dispatch_access_violation(*this, address, operation);
}
return memory_violation_continuation::resume;