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https://github.com/FEX-Emu/FEX.git
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Ryan Houdek
7ed9bea16b
Wine does some minimal attaching, peeking, poking, and detaching to have a different process inspect another's TEB region. Ubisoft's launcher does this to check if a debugger is attached and rejects it in the case that it is. While this implementation isn't all-encompassing, it is good enough for this family of games.
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
// SPDX-License-Identifier: MIT
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/*
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$info$
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tags: LinuxSyscalls|syscalls-shared
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$end_info$
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*/
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#include <FEXCore/Utils/LogManager.h>
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#include "LinuxSyscalls/Syscalls.h"
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#include "LinuxSyscalls/x32/Syscalls.h"
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#include "LinuxSyscalls/x64/Syscalls.h"
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#include <errno.h>
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#include <stdint.h>
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#include <sys/types.h>
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#define SYSCALL_STUB(name) \
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do { \
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ERROR_AND_DIE_FMT("Syscall: " #name " stub!"); \
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return -ENOSYS; \
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} while (0)
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namespace FEXCore::Core {
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struct CpuStateFrame;
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}
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namespace FEX::HLE {
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void RegisterStubs(FEX::HLE::SyscallHandler* Handler) {
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REGISTER_SYSCALL_IMPL(modify_ldt, [](FEXCore::Core::CpuStateFrame* Frame, int func, void* ptr, unsigned long bytecount) -> uint64_t {
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SYSCALL_STUB(modify_ldt);
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});
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REGISTER_SYSCALL_IMPL(restart_syscall, [](FEXCore::Core::CpuStateFrame* Frame) -> uint64_t { SYSCALL_STUB(restart_syscall); });
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REGISTER_SYSCALL_IMPL(rseq, [](FEXCore::Core::CpuStateFrame* Frame, struct rseq* rseq, uint32_t rseq_len, int flags, uint32_t sig) -> uint64_t {
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// We don't support this
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return -ENOSYS;
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});
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}
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} // namespace FEX::HLE
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