Lightemerald/windows-user-space-emulator
2
0
Fork 0
mirror of https://github.com/momo5502/emulator.git synced 2026-01-19 03:33:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

prepare 32bit support with name and class inheritance modifications

Browse Source
This commit is contained in:
robert-yates
2025-04-19 22:45:07 +02:00
parent 719a350626
commit b2296930d3
31 changed files with 623 additions and 575 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
src/windows-emulator/emulator_thread.cpp
View File

@@ -7,25 +7,26 @@
namespace
{
template <typename T>
emulator_object<T> allocate_object_on_stack(x64_emulator& emu)
emulator_object<T> allocate_object_on_stack(x86_64_emulator& emu)
{
const auto old_sp = emu.reg(x64_register::rsp);
const auto new_sp = align_down(old_sp - sizeof(T), std::max(alignof(T), alignof(x64_emulator::pointer_type)));
emu.reg(x64_register::rsp, new_sp);
const auto old_sp = emu.reg(x86_register::rsp);
const auto new_sp =
align_down(old_sp - sizeof(T), std::max(alignof(T), alignof(x86_64_emulator::pointer_type)));
emu.reg(x86_register::rsp, new_sp);
return {emu, new_sp};
}
void unalign_stack(x64_emulator& emu)
void unalign_stack(x86_64_emulator& emu)
{
auto sp = emu.reg(x64_register::rsp);
auto sp = emu.reg(x86_register::rsp);
sp = align_down(sp - 0x10, 0x10) + 8;
emu.reg(x64_register::rsp, sp);
emu.reg(x86_register::rsp, sp);
}
void setup_stack(x64_emulator& emu, const uint64_t stack_base, const size_t stack_size)
void setup_stack(x86_64_emulator& emu, const uint64_t stack_base, const size_t stack_size)
{
const uint64_t stack_end = stack_base + stack_size;
emu.reg(x64_register::rsp, stack_end);
emu.reg(x86_register::rsp, stack_end);
}
bool is_object_signaled(process_context& c, const handle h, const uint32_t current_thread_id)
@@ -207,7 +208,7 @@ bool emulator_thread::is_thread_ready(process_context& process, utils::clock& cl
return true;
}
void emulator_thread::setup_registers(x64_emulator& emu, const process_context& context) const
void emulator_thread::setup_registers(x86_64_emulator& emu, const process_context& context) const
{
if (!this->gs_segment)
{
@@ -215,7 +216,7 @@ void emulator_thread::setup_registers(x64_emulator& emu, const process_context&
}
setup_stack(emu, this->stack_base, static_cast<size_t>(this->stack_size));
emu.set_segment_base(x64_register::gs, this->gs_segment->get_base());
emu.set_segment_base(x86_register::gs, this->gs_segment->get_base());
CONTEXT64 ctx{};
ctx.ContextFlags = CONTEXT64_ALL;
@@ -232,7 +233,7 @@ void emulator_thread::setup_registers(x64_emulator& emu, const process_context&
unalign_stack(emu);
emu.reg(x64_register::rcx, ctx_obj.value());
emu.reg(x64_register::rdx, context.ntdll_image_base);
emu.reg(x64_register::rip, context.ldr_initialize_thunk);
emu.reg(x86_register::rcx, ctx_obj.value());
emu.reg(x86_register::rdx, context.ntdll_image_base);
emu.reg(x86_register::rip, context.ldr_initialize_thunk);
}