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Add some stracing to the syscall emulation

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This commit is contained in:
Ryan Houdek 2019-10-09 17:41:07 -07:00 committed by Stefanos Kornilios Mitsis Poiitidis
parent 55b4eb8689
commit 71a9713970
2 changed files with 121 additions and 2 deletions
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115
Source/Interface/HLE/Syscalls.cpp
View File

@ -12,6 +12,116 @@
constexpr uint64_t PAGE_SIZE = 4096;
namespace FEXCore {
#ifdef DEBUG_STRACE
void SyscallHandler::Strace(FEXCore::HLE::SyscallArguments *Args, uint64_t Ret) {
switch (Args->Argument[0]) {
case SYSCALL_BRK: LogMan::Msg::D("brk(%p) = 0x%lx", Args->Argument[1], Ret); break;
case SYSCALL_ACCESS:
LogMan::Msg::D("access(\"%s\", %d) = %ld", CTX->MemoryMapper.GetPointer<char const*>(Args->Argument[1]), Args->Argument[2], Ret);
break;
case SYSCALL_OPENAT:
LogMan::Msg::D("openat(%ld, \"%s\", %d) = %ld", Args->Argument[1], CTX->MemoryMapper.GetPointer<char const*>(Args->Argument[2]), Args->Argument[3], Ret);
break;
case SYSCALL_STAT:
LogMan::Msg::D("stat(\"%s\", {...}) = %ld", CTX->MemoryMapper.GetPointer<char const*>(Args->Argument[1]), Ret);
break;
case SYSCALL_FSTAT:
LogMan::Msg::D("fstat(%ld, {...}) = %ld", Args->Argument[1], Ret);
break;
case SYSCALL_MMAP:
LogMan::Msg::D("mmap(%p, %ld, %ld, %ld, %d, %p) = %p", Args->Argument[1], Args->Argument[2], Args->Argument[3], Args->Argument[4], static_cast<int32_t>(Args->Argument[5]), Args->Argument[6], Ret);
break;
case SYSCALL_CLOSE:
LogMan::Msg::D("close(%ld) = %ld", Args->Argument[1], Ret);
break;
case SYSCALL_READ:
LogMan::Msg::D("read(%ld, {...}, %ld) = %ld", Args->Argument[1], Args->Argument[3], Ret);
break;
case SYSCALL_ARCH_PRCTL:
LogMan::Msg::D("arch_prctl(%ld, %p) = %ld", Args->Argument[1], Args->Argument[2], Ret);
break;
case SYSCALL_MPROTECT:
LogMan::Msg::D("mprotect(%p, %ld, %ld) = %ld", Args->Argument[1], Args->Argument[2], Args->Argument[3], Ret);
break;
case SYSCALL_MUNMAP:
LogMan::Msg::D("munmap(%p, %ld) = %ld", Args->Argument[1], Args->Argument[2], Ret);
break;
case SYSCALL_UNAME:
LogMan::Msg::D("uname ({...}) = %ld", Ret);
break;
case SYSCALL_UMASK:
LogMan::Msg::D("umask(0x%lx) = %ld", Args->Argument[1], Ret);
break;
case SYSCALL_CHDIR:
LogMan::Msg::D("chdir(\"%s\") = %ld", CTX->MemoryMapper.GetPointer<char const*>(Args->Argument[1]), Ret);
break;
case SYSCALL_EXIT:
LogMan::Msg::D("exit(0x%lx)", Args->Argument[1]);
break;
case SYSCALL_WRITE:
LogMan::Msg::D("write(%ld, %p, %ld) = %ld", Args->Argument[1], Args->Argument[2], Args->Argument[3], Ret);
break;
case SYSCALL_WRITEV:
LogMan::Msg::D("writev(%ld, %p, %ld) = %ld", Args->Argument[1], Args->Argument[2], Args->Argument[3], Ret);
break;
case SYSCALL_EXIT_GROUP:
LogMan::Msg::D("exit_group(0x%lx)", Args->Argument[1]);
break;
case SYSCALL_SET_TID_ADDRESS:
LogMan::Msg::D("set_tid_address(%p) = %ld", Args->Argument[1], Ret);
break;
case SYSCALL_SET_ROBUST_LIST:
LogMan::Msg::D("set_robust_list(%p, %ld) = %ld", Args->Argument[1], Args->Argument[2], Ret);
break;
case SYSCALL_RT_SIGACTION:
LogMan::Msg::D("rt_sigaction(%ld, %p, %p) = %ld", Args->Argument[1], Args->Argument[2], Args->Argument[3], Ret);
break;
case SYSCALL_RT_SIGPROCMASK:
LogMan::Msg::D("rt_sigprocmask(%ld, %p, %p, %ld) = %ld", Args->Argument[1], Args->Argument[2], Args->Argument[3], Args->Argument[4], Ret);
break;
case SYSCALL_PRLIMIT64:
LogMan::Msg::D("prlimit64(%ld, %ld, %p, %p) = %ld", Args->Argument[1], Args->Argument[2], Args->Argument[3], Args->Argument[4], Ret);
break;
case SYSCALL_GETPID:
LogMan::Msg::D("getpid() = %ld", Ret);
break;
case SYSCALL_GETUID:
LogMan::Msg::D("getuid() = %ld", Ret);
break;
case SYSCALL_GETGID:
LogMan::Msg::D("getgid() = %ld", Ret);
break;
case SYSCALL_GETEUID:
LogMan::Msg::D("geteuid() = %ld", Ret);
break;
case SYSCALL_GETEGID:
LogMan::Msg::D("getegid() = %ld", Ret);
break;
case SYSCALL_GETTID:
LogMan::Msg::D("gettid() = %ld", Ret);
break;
case SYSCALL_TGKILL:
LogMan::Msg::D("tgkill(%ld, %ld) = %ld", Args->Argument[1], Args->Argument[2], Ret);
break;
case SYSCALL_LSEEK:
LogMan::Msg::D("lseek(%ld, %ld, %ld = %ld", Args->Argument[1], Args->Argument[2], Args->Argument[3], Ret);
break;
case SYSCALL_IOCTL:
LogMan::Msg::D("ioctl(%ld, %ld, %p) = %ld", Args->Argument[1], Args->Argument[2], Args->Argument[3], Ret);
break;
case SYSCALL_TIME:
LogMan::Msg::D("time(%p) = %ld", Args->Argument[1], Ret);
break;
case SYSCALL_CLOCK_GETTIME:
LogMan::Msg::D("clock_gettime(%ld, %p) = %ld", Args->Argument[1], Args->Argument[2], Ret);
break;
case SYSCALL_READLINK:
LogMan::Msg::D("readlink(\"%s\") = %ld", CTX->MemoryMapper.GetPointer<char const*>(Args->Argument[1]), Ret);
break;
default: LogMan::Msg::D("Unknown strace: %d", Args->Argument[0]);
}
}
#endif
void SyscallHandler::DefaultProgramBreak(FEXCore::Core::InternalThreadState *Thread, uint64_t Addr) {
DataSpaceSize = 0;
DataSpace = Addr;
@ -24,8 +134,6 @@ void SyscallHandler::DefaultProgramBreak(FEXCore::Core::InternalThreadState *Thr
uint64_t SyscallHandler::HandleSyscall(FEXCore::Core::InternalThreadState *Thread, FEXCore::HLE::SyscallArguments *Args) {
uint64_t Result = 0;
LogMan::Msg::D("Syscall: %d", Args->Argument[0]);
switch (Args->Argument[0]) {
case SYSCALL_UNAME: {
struct _utsname {
@ -459,6 +567,9 @@ uint64_t SyscallHandler::HandleSyscall(FEXCore::Core::InternalThreadState *Threa
break;
}
#ifdef DEBUG_STRACE
Strace(Args, Result);
#endif
return Result;
}
}

8
Source/Interface/HLE/Syscalls.h
View File

@ -70,6 +70,7 @@ struct Futex {
uint32_t Val;
};
// #define DEBUG_STRACE
class SyscallHandler final {
public:
SyscallHandler(FEXCore::Context::Context *ctx) : CTX {ctx}, FM {ctx} {}
@ -99,6 +100,7 @@ private:
// Futex management
std::unordered_map<uint64_t, Futex*> Futexes;
std::mutex FutexMutex;
// BRK management
uint64_t DataSpace {};
uint64_t DataSpaceSize {};
@ -106,5 +108,11 @@ private:
// MMap management
uint64_t LastMMAP = 0xd000'0000;
#ifdef DEBUG_STRACE
void Strace(FEXCore::HLE::SyscallArguments *Args, uint64_t Ret);
#endif
};
}