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Merge pull request #5728 from lioncash/halves

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x32/FD: Combine offset halves directly
This commit is contained in:
Ryan Houdek authored and GitHub committed 2026-07-12 11:15:10 -07:00
2 parents b9d97dffe7 a6c8f0d300
commit f2b679f602
2 files changed
+13 -44
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Source/Tools/LinuxEmulation/LinuxSyscalls/x32/FD.cpp
+11 -38
View File
@@ -270,9 +270,7 @@ void RegisterFD(FEX::HLE::SyscallHandler* Handler) {
REGISTER_SYSCALL_IMPL_X32(
_llseek, [](FEXCore::Core::CpuStateFrame* Frame, uint32_t fd, uint32_t offset_high, uint32_t offset_low, loff_t* result, uint32_t whence) -> uint64_t {
uint64_t Offset = offset_high;
Offset <<= 32;
Offset |= offset_low;
uint64_t Offset = (uint64_t(offset_high) << 32) | offset_low;
uint64_t Result = lseek(fd, Offset, whence);
if (Result != -1) {
FaultSafeUserMemAccess::VerifyIsWritable(result, sizeof(*result));
@@ -669,9 +667,7 @@ void RegisterFD(FEX::HLE::SyscallHandler* Handler) {
REGISTER_SYSCALL_IMPL_X32(
fadvise64, [](FEXCore::Core::CpuStateFrame* Frame, int32_t fd, uint32_t offset_low, uint32_t offset_high, uint32_t len, int advice) -> uint64_t {
uint64_t Offset = offset_high;
Offset <<= 32;
Offset |= offset_low;
uint64_t Offset = (uint64_t(offset_high) << 32) | offset_low;
uint64_t Result = ::posix_fadvise64(fd, Offset, len, advice);
SYSCALL_ERRNO();
});
@@ -679,12 +675,8 @@ void RegisterFD(FEX::HLE::SyscallHandler* Handler) {
REGISTER_SYSCALL_IMPL_X32(fadvise64_64,
[](FEXCore::Core::CpuStateFrame* Frame, int32_t fd, uint32_t offset_low, uint32_t offset_high, uint32_t len_low,
uint32_t len_high, int advice) -> uint64_t {
uint64_t Offset = offset_high;
Offset <<= 32;
Offset |= offset_low;
uint64_t Len = len_high;
Len <<= 32;
Len |= len_low;
uint64_t Offset = (uint64_t(offset_high) << 32) | offset_low;
uint64_t Len = (uint64_t(len_high) << 32) | len_low;
uint64_t Result = ::posix_fadvise64(fd, Offset, Len, advice);
SYSCALL_ERRNO();
});
@@ -795,30 +787,21 @@ void RegisterFD(FEX::HLE::SyscallHandler* Handler) {
REGISTER_SYSCALL_IMPL_X32(
pread_64, [](FEXCore::Core::CpuStateFrame* Frame, int fd, void* buf, uint32_t count, uint32_t offset_low, uint32_t offset_high) -> uint64_t {
uint64_t Offset = offset_high;
Offset <<= 32;
Offset |= offset_low;
uint64_t Offset = (uint64_t(offset_high) << 32) | offset_low;
uint64_t Result = ::pread64(fd, buf, count, Offset);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL_X32(
pwrite_64, [](FEXCore::Core::CpuStateFrame* Frame, int fd, void* buf, uint32_t count, uint32_t offset_low, uint32_t offset_high) -> uint64_t {
uint64_t Offset = offset_high;
Offset <<= 32;
Offset |= offset_low;
uint64_t Offset = (uint64_t(offset_high) << 32) | offset_low;
uint64_t Result = ::pwrite64(fd, buf, count, Offset);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL_X32(
readahead, [](FEXCore::Core::CpuStateFrame* Frame, int fd, uint32_t offset_low, uint32_t offset_high, size_t count) -> uint64_t {
uint64_t Offset = offset_high;
Offset <<= 32;
Offset |= offset_low;
uint64_t Offset = (uint64_t(offset_high) << 32) | offset_low;
uint64_t Result = ::readahead(fd, Offset, count);
SYSCALL_ERRNO();
});
@@ -827,13 +810,8 @@ void RegisterFD(FEX::HLE::SyscallHandler* Handler) {
[](FEXCore::Core::CpuStateFrame* Frame, int fd, uint32_t offset_low, uint32_t offset_high, uint32_t len_low,
uint32_t len_high, unsigned int flags) -> uint64_t {
// Flags don't need remapped
uint64_t Offset = offset_high;
Offset <<= 32;
Offset |= offset_low;
uint64_t Len = len_high;
Len <<= 32;
Len |= len_low;
uint64_t Offset = (uint64_t(offset_high) << 32) | offset_low;
uint64_t Len = (uint64_t(len_high) << 32) | len_low;
uint64_t Result = ::syscall(SYSCALL_DEF(sync_file_range), fd, Offset, Len, flags);
SYSCALL_ERRNO();
@@ -842,13 +820,8 @@ void RegisterFD(FEX::HLE::SyscallHandler* Handler) {
REGISTER_SYSCALL_IMPL_X32(fallocate,
[](FEXCore::Core::CpuStateFrame* Frame, int fd, int mode, uint32_t offset_low, uint32_t offset_high,
uint32_t len_low, uint32_t len_high) -> uint64_t {
uint64_t Offset = offset_high;
Offset <<= 32;
Offset |= offset_low;
uint64_t Len = len_high;
Len <<= 32;
Len |= len_low;
uint64_t Offset = (uint64_t(offset_high) << 32) | offset_low;
uint64_t Len = (uint64_t(len_high) << 32) | len_low;
uint64_t Result = ::fallocate(fd, mode, Offset, Len);
SYSCALL_ERRNO();
Source/Tools/LinuxEmulation/LinuxSyscalls/x32/FS.cpp
+2 -6
View File
@@ -23,17 +23,13 @@ void RegisterFS(FEX::HLE::SyscallHandler* Handler) {
REGISTER_SYSCALL_IMPL_X32(
truncate64, [](FEXCore::Core::CpuStateFrame* Frame, const char* path, uint32_t offset_low, uint32_t offset_high) -> uint64_t {
uint64_t Offset = offset_high;
Offset <<= 32;
Offset |= offset_low;
uint64_t Offset = (uint64_t(offset_high) << 32) | offset_low;
uint64_t Result = ::truncate(path, Offset);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL_X32(ftruncate64, [](FEXCore::Core::CpuStateFrame* Frame, int fd, uint32_t offset_low, uint32_t offset_high) -> uint64_t {
uint64_t Offset = offset_high;
Offset <<= 32;
Offset |= offset_low;
uint64_t Offset = (uint64_t(offset_high) << 32) | offset_low;
uint64_t Result = ::ftruncate(fd, Offset);
SYSCALL_ERRNO();
});