Make dos errno multimapping linkage tinier

640 bytes for old kDos2Errno table 182 bytes for new kDos2Errno under hello2.com (MODE=fastbuild) 122 bytes for new kDos2Errno under hello2.com (MODE=tiny)
2025-07-28 05:20:28 +00:00 · 2022-09-13 06:25:50 -07:00 · 2022-09-13 06:25:50 -07:00 · 8f5678882d
commit 8f5678882d
parent 9fa6725067
63 changed files with 602 additions and 160 deletions
--- a/libc/intrin/kdos2errno.S
+++ b/libc/intrin/kdos2errno.S
@ -16,160 +16,17 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/nt/errors.h"
-#include "libc/nt/errors.h"
 #include "libc/macros.internal.h"

 //	@fileoverview data structure for __dos2errno()
+//	@see	libc/sysv/dos2errno.sh for the numbers

-	.macro	.e doscode systemv
-	.short	\doscode
-	.long	\systemv - kDos2Errno
-	.endm
-
-	.section .rodata,"a",@progbits
-	.align	4
-	.underrun
-kDos2Errno:
-//	.e	kNtErrorInvalidFunction,ENOSYS		# in consts.sh
-//	.e	kNtErrorFileNotFound,ENOENT		# in consts.sh
-//	.e	kNtErrorPathNotFound,ENOTDIR		# in consts.sh
-//	.e	kNtErrorTooManyOpenFiles,EMFILE		# in consts.sh
-//	.e	kNtErrorTooManyDescriptors,ENFILE	# in consts.sh
-//	.e	kNtErrorTooManyLinks,EMLINK		# in consts.sh
-//	.e	kNtErrorAccessDenied,EACCES		# in consts.sh
-//	.e	kNtErrorInvalidHandle,EBADF		# in consts.sh
-//	.e	kNtErrorInvalidAccess,EPERM		# in consts.sh
-//	.e	kNtErrorNotEnoughQuota,EDQUOT		# in consts.sh
-//	.e	kNtErrorSeek,ESPIPE			# in consts.sh
-//	.e	kNtErrorNotDosDisk,ENOTBLK		# in consts.sh
-//	.e	kNtErrorFileExists,EEXIST		# in consts.sh
-//	.e	kNtErrorInvalidParameter,EINVAL		# in consts.sh
-//	.e	kNtErrorOutofmemory,ENOMEM		# in consts.sh
-//	.e	kNtErrorBrokenPipe,EPIPE		# in consts.sh
-//	.e	kNtErrorWaitNoChildren,ECHILD		# in consts.sh
-//	.e	kNtErrorPathBusy,ETXTBSY		# in consts.sh
-//	.e	kNtErrorBusy,EBUSY			# in consts.sh
-//	.e	kNtErrorAlreadyExists,EEXIST		# in consts.sh
-//	.e	kNtErrorBadExeFormat,ENOEXEC		# in consts.sh
-//	.e	kNtErrorFileTooLarge,EFBIG		# in consts.sh
-//	.e	kNtErrorDirectoryNotSupported,EISDIR	# in consts.sh
-//	.e	kNtErrorInvalidAddress,EFAULT		# in consts.sh
-//	.e	kNtErrorThreadNotInProcess,ESRCH	# in consts.sh
-//	.e	kNtErrorNoMediaInDrive,ENXIO		# in consts.sh
-//	.e	kNtErrorIoDevice,EIO			# in consts.sh
-//	.e	kNtErrorSerialNoDevice,ENOTTY		# in consts.sh
-//	.e	kNtErrorPossibleDeadlock,EDEADLK	# in consts.sh
-//	.e	kNtErrorBadDevice,ENODEV		# in consts.sh
-//	.e	kNtErrorInvalidCommandLine,E2BIG	# in consts.sh
-//	.e	kNtErrorFileReadOnly,EROFS		# in consts.sh
-//	.e	kNtErrorNoData,ENODATA			# in consts.sh
-//	.e	WSAEPROCLIM,EPROCLIM			# in consts.sh
-//	.e	WSAESHUTDOWN,ESHUTDOWN			# in consts.sh
-//	.e	WSAEINPROGRESS,EINPROGRESS		# in consts.sh
-//	.e	WSAENETDOWN,ENETDOWN			# in consts.sh
-//	.e	WSAENETUNREACH,ENETUNREACH		# in consts.sh
-//	.e	WSAENETRESET,ENETRESET			# in consts.sh
-//	.e	WSAEUSERS,EUSERS			# in consts.sh
-//	.e	WSAENOTSOCK,ENOTSOCK			# in consts.sh
-//	.e	WSAEDESTADDRREQ,EDESTADDRREQ		# in consts.sh
-//	.e	WSAEMSGSIZE,EMSGSIZE			# in consts.sh
-//	.e	WSAEPROTOTYPE,EPROTOTYPE		# in consts.sh
-//	.e	WSAENOPROTOOPT,ENOPROTOOPT		# in consts.sh
-//	.e	WSAEPROTONOSUPPORT,EPROTONOSUPPORT	# in consts.sh
-//	.e	WSAESOCKTNOSUPPORT,ESOCKTNOSUPPORT	# in consts.sh
-//	.e	WSAEOPNOTSUPP,ENOTSUP			# in consts.sh
-//	.e	WSAEOPNOTSUPP,EOPNOTSUPP		# in consts.sh
-//	.e	WSAEPFNOSUPPORT,EPFNOSUPPORT		# in consts.sh
-//	.e	WSAEAFNOSUPPORT,EAFNOSUPPORT		# in consts.sh
-//	.e	WSAEADDRINUSE,EADDRINUSE		# in consts.sh
-//	.e	WSAEADDRNOTAVAIL,EADDRNOTAVAIL		# in consts.sh
-//	.e	WSAECONNABORTED,ECONNABORTED		# in consts.sh
-//	.e	WSAECONNRESET,ECONNRESET		# in consts.sh
-//	.e	WSAENOBUFS,ENOBUFS			# in consts.sh
-//	.e	WSAEISCONN,EISCONN			# in consts.sh
-//	.e	WSAENOTCONN,ENOTCONN			# in consts.sh
-//	.e	WSAESHUTDOWN,ESHUTDOWN			# in consts.sh
-//	.e	WSAETOOMANYREFS,ETOOMANYREFS		# in consts.sh
-//	.e	WSAETIMEDOUT,ETIMEDOUT			# in consts.sh
-//	.e	WSAECONNREFUSED,ECONNREFUSED		# in consts.sh
-//	.e	WSAEHOSTDOWN,EHOSTDOWN			# in consts.sh
-//	.e	WSAEHOSTUNREACH,EHOSTUNREACH		# in consts.sh
-//	.e	WSAEALREADY,EALREADY			# in consts.sh
-//	.e	WSAESTALE,ESTALE			# in consts.sh
-//	.e	WSAEREMOTE,EREMOTE			# in consts.sh
-//	.e	WSAEINTR,EINTR				# in consts.sh
-	.e	kNtErrorModNotFound,ENOSYS
-	.e	kNtErrorBadCommand,EACCES
-	.e	kNtErrorBadLength,EACCES
-	.e	kNtErrorBadNetpath,ENOENT
-	.e	kNtErrorBadNetName,ENOENT
-	.e	kNtErrorBadPathname,ENOENT
-	.e	kNtErrorBadNetResp,ENETDOWN
-	.e	kNtErrorFileExists,EEXIST
-	.e	kNtErrorCannotMake,EACCES
-	.e	kNtErrorCommitmentLimit,ENOMEM
-	.e	kNtErrorConnectionAborted,ECONNABORTED
-	.e	kNtErrorConnectionActive,EISCONN
-	.e	kNtErrorConnectionRefused,ECONNREFUSED
-	.e	kNtErrorCrc,EACCES
-	.e	kNtErrorDirNotEmpty,ENOTEMPTY
-	.e	kNtErrorDupName,EADDRINUSE
-	.e	kNtErrorFilenameExcedRange,ENAMETOOLONG
-	.e	kNtErrorGenFailure,EACCES
-	.e	kNtErrorGracefulDisconnect,EPIPE
-	.e	kNtErrorHostDown,EHOSTUNREACH
-	.e	kNtErrorHostUnreachable,EHOSTUNREACH
-	.e	kNtErrorInsufficientBuffer,EFAULT
-	.e	kNtErrorNoaccess,EFAULT
-	.e	kNtErrorInvalidAddress,EADDRNOTAVAIL
-	.e	kNtErrorNotAReparsePoint,EINVAL
-	.e	kNtErrorInvalidFunction,EINVAL
-	.e	kNtErrorInvalidNetname,EADDRNOTAVAIL
-	.e	kNtErrorInvalidUserBuffer,EMSGSIZE
-	.e	kNtErrorIoPending,EINPROGRESS
-	.e	kNtErrorLockViolation,EACCES
-	.e	kNtErrorMoreData,EMSGSIZE
-	.e	kNtErrorNetnameDeleted,ECONNABORTED
-	.e	kNtErrorNetworkAccessDenied,EACCES
-	.e	kNtErrorNetworkBusy,ENETDOWN
-	.e	kNtErrorNetworkUnreachable,ENETUNREACH
-	.e	kNtErrorNonpagedSystemResources,ENOMEM
-	.e	kNtErrorNotEnoughMemory,ENOMEM
-	.e	kNtErrorNotEnoughQuota,ENOMEM
-	.e	kNtErrorNotFound,ENOENT
-	.e	kNtErrorNotLocked,EACCES
-	.e	kNtErrorNotReady,EACCES
-	.e	kNtErrorNotSupported,ENOTSUP
-	.e	kNtErrorNoMoreFiles,ENOENT
-	.e	kNtErrorNoSystemResources,ENOMEM
-	.e	kNtErrorOperationAborted,EINTR
-	.e	kNtErrorOutOfPaper,EACCES
-	.e	kNtErrorPagedSystemResources,ENOMEM
-	.e	kNtErrorPagefileQuota,ENOMEM
-	.e	kNtErrorPipeNotConnected,EPIPE
-	.e	kNtErrorPortUnreachable,ECONNRESET
-	.e	kNtErrorProtocolUnreachable,ENETUNREACH
-	.e	kNtErrorRemNotList,ECONNREFUSED
-	.e	kNtErrorRequestAborted,EINTR
-	.e	kNtErrorReqNotAccep,EWOULDBLOCK
-	.e	kNtErrorSectorNotFound,EACCES
-	.e	kNtErrorSemTimeout,ETIMEDOUT
-	.e	kNtErrorSharingViolation,EACCES
-	.e	kNtErrorTooManyNames,ENOMEM
-	.e	kNtErrorUnexpNetErr,ECONNABORTED
-	.e	kNtErrorWorkingSetQuota,ENOMEM
-	.e	kNtErrorWriteProtect,EACCES
-	.e	kNtErrorWrongDisk,EACCES
-	.e	WSAEACCES,EACCES
-	.e	WSAEDISCON,EPIPE
-	.e	WSAEFAULT,EFAULT
-	.e	WSAEINVAL,EINVAL
-	.e	WSAEDQUOT,EDQUOT
-	.e	WSAEPROCLIM,ENOMEM
-	.e	WSANOTINITIALISED,ENETDOWN
-	.e	WSASYSNOTREADY,ENETDOWN
-	.e	WSAVERNOTSUPPORTED,ENOSYS
+	.section .sort.rodata.dos2errno.1,"a",@progbits
+	.align	8
+kDos2Errno:/*
+	...decentralized content...
+	*/.endobj kDos2Errno,globl
+	.previous
+	.section .sort.rodata.dos2errno.3,"a",@progbits
 	.short	0
-	.endobj	kDos2Errno,globl,hidden
-	.overrun
+	.previous