Lightemerald/windows-user-space-emulator
2
0
Fork 0
mirror of https://github.com/momo5502/emulator.git synced 2026-01-18 19:23:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

wip

Browse Source
This commit is contained in:
RektInator
2025-04-14 12:23:08 +02:00
parent 45b5b035d7
commit 7bf0b67167
9 changed files with 153 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
src/windows-emulator/syscalls/section.cpp
View File

@@ -109,7 +109,7 @@ namespace syscalls
const syscall_context& c, const handle section_handle, const handle process_handle,
const emulator_object<uint64_t> base_address,
const EMULATOR_CAST(EmulatorTraits<Emu64>::ULONG_PTR, ULONG_PTR) /*zero_bits*/,
const EMULATOR_CAST(EmulatorTraits<Emu64>::SIZE_T, SIZE_T) /*commit_size*/,
const EMULATOR_CAST(EmulatorTraits<Emu64>::SIZE_T, SIZE_T) commit_size,
const emulator_object<LARGE_INTEGER> /*section_offset*/,
const emulator_object<EMULATOR_CAST(EmulatorTraits<Emu64>::SIZE_T, SIZE_T)> view_size,
const SECTION_INHERIT /*inherit_disposition*/, const ULONG /*allocation_type*/, const ULONG /*win32_protect*/)
@@ -225,10 +225,11 @@ namespace syscalls
size = page_align_up(file_data.size());
}
const auto reserve_only = section_entry->allocation_attributes == SEC_RESERVE;
const auto protection = map_nt_to_emulator_protection(section_entry->section_page_protection);
const auto address = c.win_emu.memory.allocate_memory(size, protection);
const auto address = c.win_emu.memory.allocate_memory(size, protection, reserve_only);
if (!file_data.empty())
if (!reserve_only && !file_data.empty())
{
c.emu.write_memory(address, file_data.data(), file_data.size());
}
@@ -263,19 +264,24 @@ namespace syscalls
}
const auto* mod = c.win_emu.mod_manager.find_by_address(base_address);
if (!mod)
if (mod != nullptr)
{
c.win_emu.log.error("Unmapping non-module section not supported!\n");
c.emu.stop();
return STATUS_NOT_SUPPORTED;
if (c.win_emu.mod_manager.unmap(base_address, c.win_emu.log))
{
return STATUS_SUCCESS;
}
return STATUS_INVALID_PARAMETER;
}
if (c.win_emu.mod_manager.unmap(base_address, c.win_emu.log))
if (c.win_emu.memory.release_memory(base_address, 0))
{
return STATUS_SUCCESS;
}
return STATUS_INVALID_PARAMETER;
c.win_emu.log.error("Unmapping non-module/non-memory section not supported!\n");
c.emu.stop();
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtUnmapViewOfSectionEx(const syscall_context& c, const handle process_handle,