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FEX-Emu--FEX/Source/Tools/LinuxEmulation/LinuxSyscalls/Syscalls/Info.cpp
T
Paulo Matos 2b4ec88dae Whole-tree reformat
This follows discussions from #3413.
Followup commits add clang-format file, script and blame ignore lists.
2024-04-12 16:26:02 +02:00

70 lines
2.5 KiB
C++

// SPDX-License-Identifier: MIT
/*
$info$
tags: LinuxSyscalls|syscalls-shared
$end_info$
*/
#include "LinuxSyscalls/Syscalls.h"
#include "LinuxSyscalls/x64/Syscalls.h"
#include "LinuxSyscalls/x32/Syscalls.h"
#include <FEXCore/IR/IR.h>
#include <FEXCore/Utils/LogManager.h>
#include <cstring>
#include <linux/kcmp.h>
#include <linux/seccomp.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdint.h>
#include <syslog.h>
#include <sys/random.h>
#include <sys/resource.h>
#include <sys/syscall.h>
#include <sys/utsname.h>
#include <sys/klog.h>
#include <unistd.h>
#include <git_version.h>
namespace FEX::HLE {
using cap_user_header_t = void*;
using cap_user_data_t = void*;
void RegisterInfo(FEX::HLE::SyscallHandler* Handler) {
using namespace FEXCore::IR;
REGISTER_SYSCALL_IMPL_FLAGS(
uname, SyscallFlags::OPTIMIZETHROUGH | SyscallFlags::NOSYNCSTATEONENTRY, [](FEXCore::Core::CpuStateFrame* Frame, struct utsname* buf) -> uint64_t {
struct utsname Local {};
if (::uname(&Local) == 0) {
memcpy(buf->nodename, Local.nodename, sizeof(Local.nodename));
static_assert(sizeof(Local.nodename) <= sizeof(buf->nodename));
memcpy(buf->domainname, Local.domainname, sizeof(Local.domainname));
static_assert(sizeof(Local.domainname) <= sizeof(buf->domainname));
} else {
strcpy(buf->nodename, "FEXCore");
LogMan::Msg::EFmt("Couldn't determine host nodename. Defaulting to '{}'", buf->nodename);
}
strcpy(buf->sysname, "Linux");
uint32_t GuestVersion = FEX::HLE::_SyscallHandler->GetGuestKernelVersion();
snprintf(buf->release, sizeof(buf->release), "%d.%d.%d", FEX::HLE::SyscallHandler::KernelMajor(GuestVersion),
FEX::HLE::SyscallHandler::KernelMinor(GuestVersion), FEX::HLE::SyscallHandler::KernelPatch(GuestVersion));
const char version[] = "#" GIT_DESCRIBE_STRING " SMP " __DATE__ " " __TIME__;
strcpy(buf->version, version);
static_assert(sizeof(version) <= sizeof(buf->version), "uname version define became too large!");
// Tell the guest that we are a 64bit kernel
strcpy(buf->machine, "x86_64");
return 0;
});
REGISTER_SYSCALL_IMPL_FLAGS(seccomp, SyscallFlags::OPTIMIZETHROUGH | SyscallFlags::NOSYNCSTATEONENTRY,
[](FEXCore::Core::CpuStateFrame* Frame, unsigned int operation, unsigned int flags, void* args) -> uint64_t {
// FEX doesn't support seccomp
return -EINVAL;
});
}
} // namespace FEX::HLE