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Use header provided syscall defines

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Ryan Houdek authored and Stefanos Kornilios Mitsis Poiitidis committed 2020-03-06 07:56:13 +02:00
1 parent a8d7549b13
commit eb1f643e16
1 file changed
+2 -43
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Source/Interface/HLE/FileManagement.cpp
+2 -43
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@@ -5,52 +5,11 @@
#include <fcntl.h>
#include <sys/epoll.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/ioctl.h>
#include <sys/uio.h>
#include <unistd.h>
#ifdef _M_X86_64
// x86-64 Syscall argument ABI
// RAX - Syscall number
// RDI - Arg 1
// RSI - Arg 2
// RDX - Arg 3
// R10 - Arg 4
// R8 - Arg 5
// R9 - Arg 6
static uint64_t DoSyscall(uint64_t Syscall) {
uint64_t Result;
asm volatile (
"syscall;"
: "=r" (Result)
: "0" (Syscall)
: "memory", "cc", "r11", "cx"
);
return Result;
}
static uint64_t DoSyscall(uint64_t Syscall, uint64_t Arg1, uint64_t Arg2, uint64_t Arg3) {
uint64_t Result;
register uint64_t _Arg3 asm ("rdx") = Arg3;
register uint64_t _Arg2 asm ("rsi") = Arg2;
register uint64_t _Arg1 asm ("rdi") = Arg1;
asm volatile (
"syscall;"
: "=r" (Result)
: "0" (Syscall), "r" (_Arg1), "r" (_Arg2), "r" (_Arg3)
: "memory", "cc", "r11", "cx"
);
return Result;
}
#else
static uint64_t DoSyscall(uint64_t Syscall) {
LogMan::Msg::A("Can't do syscall on this platform yet");
}
static uint64_t DoSyscall(uint64_t Syscall, uint64_t Arg1, uint64_t Arg2, uint64_t Arg3) {
LogMan::Msg::A("Can't do syscall on this platform yet");
}
#endif
namespace FEXCore {
class STDFD final : public FD {
@@ -400,7 +359,7 @@ uint64_t FileManager::GetDents(int fd, void *dirp, uint32_t count) {
return -1;
}
return DoSyscall(SYSCALL_GETDENTS64,
return syscall(SYS_getdents64,
static_cast<uint64_t>(FD->second->GetHostFD()),
reinterpret_cast<uint64_t>(dirp),
static_cast<uint64_t>(count));