user: implement mlibc as the libc, finally.

It's finally done..

Signed-off-by: kaguya <vpshinomiya@protonmail.com>

user/include/mlibc/abis/lemon/access.h

@@ -0,0 +1,9 @@
+#ifndef _ABIBITS_ACCESS_H
+#define _ABIBITS_ACCESS_H
+
+#define F_OK 1
+#define R_OK 2
+#define W_OK 4
+#define X_OK 8
+
+#endif /* _ABIBITS_ACCESS_H */

user/include/mlibc/abis/lemon/auxv.h

@@ -0,0 +1,9 @@
+#ifndef _ABIBITS_AUXV_H
+#define _ABIBITS_AUXV_H
+
+#define AT_EXECPATH 15
+#define AT_SECURE 23
+#define AT_RANDOM 25
+#define AT_EXECFN 31
+
+#endif

user/include/mlibc/abis/lemon/blkcnt_t.h

@@ -0,0 +1,7 @@
+#ifndef _ABIBITS_BLKCNT_T_H
+#define _ABIBITS_BLKCNT_T_H
+
+/* TODO: use int64_t? */
+typedef long blkcnt_t;
+
+#endif /* _ABIBITS_BLKCNT_T_H */

user/include/mlibc/abis/lemon/blksize_t.h

@@ -0,0 +1,9 @@
+
+#ifndef _ABIBITS_BLKSIZE_T_H
+#define _ABIBITS_BLKSIZE_T_H
+
+/* TODO: use int64_t? */
+typedef long blksize_t;
+
+#endif /* _ABIBITS_BLKSIZE_T_H */
+

user/include/mlibc/abis/lemon/clockid_t.h

@@ -0,0 +1,7 @@
+#ifndef _ABIBITS_CLOCKID_T_H
+#define _ABIBITS_CLOCKID_T_H
+
+typedef long clockid_t;
+
+#endif /* _ABIBITS_CLOCKID_T_H */
+

user/include/mlibc/abis/lemon/dev_t.h

@@ -0,0 +1,8 @@
+
+#ifndef _ABIBITS_DEV_T_H
+#define _ABIBITS_DEV_T_H
+
+typedef unsigned long dev_t;
+
+#endif /* _ABIBITS_DEV_T_H */
+

user/include/mlibc/abis/lemon/epoll.h

@@ -0,0 +1,6 @@
+#ifndef _ABIBITS_EPOLL_H
+#define _ABIBITS_EPOLL_H
+
+#define EPOLL_CLOEXEC 1
+
+#endif /* _ABIBITS_EPOLL_H */

user/include/mlibc/abis/lemon/errno.h

@@ -0,0 +1,126 @@
+#ifndef _ABIBITS_ERRNO_H
+#define _ABIBITS_ERRNO_H
+
+#define EDOM 1
+#define EILSEQ 2
+#define ERANGE 3
+
+#define E2BIG 1001
+#define EACCES 1002
+#define EADDRINUSE 1003
+#define EADDRNOTAVAIL 1004
+#define EAFNOSUPPORT 1005
+#define EAGAIN 1006
+#define EALREADY 1007
+#define EBADF 1008
+#define EBADMSG 1009
+#define EBUSY 1010
+#define ECANCELED 1011
+#define ECHILD 1012
+#define ECONNABORTED 1013
+#define ECONNREFUSED 1014
+#define ECONNRESET 1015
+#define EDEADLK 1016
+#define EDESTADDRREQ 1017
+#define EDQUOT 1018
+#define EEXIST 1019
+#define EFAULT 1020
+#define EFBIG 1021
+#define EHOSTUNREACH 1022
+#define EIDRM 1023
+#define EINPROGRESS 1024
+#define EINTR 1025
+#define EINVAL 1026
+#define EIO 1027
+#define EISCONN 1028
+#define EISDIR 1029
+#define ELOOP 1030
+#define EMFILE 1031
+#define EMLINK 1032
+#define EMSGSIZE 1034
+#define EMULTIHOP 1035
+#define ENAMETOOLONG 1036
+#define ENETDOWN 1037
+#define ENETRESET 1038
+#define ENETUNREACH 1039
+#define ENFILE 1040
+#define ENOBUFS 1041
+#define ENODEV 1042
+#define ENOENT 1043
+#define ENOEXEC 1044
+#define ENOLCK 1045
+#define ENOLINK 1046
+#define ENOMEM 1047
+#define ENOMSG 1048
+#define ENOPROTOOPT 1049
+#define ENOSPC 1050
+#define ENOSYS 1051
+#define ENOTCONN 1052
+#define ENOTDIR 1053
+#define ENOTEMPTY 1054
+#define ENOTRECOVERABLE 1055
+#define ENOTSOCK 1056
+#define ENOTSUP 1057
+#define ENOTTY 1058
+#define ENXIO 1059
+#define EOPNOTSUPP 1060
+#define EOVERFLOW 1061
+#define EOWNERDEAD 1062
+#define EPERM 1063
+#define EPIPE 1064
+#define EPROTO 1065
+#define EPROTONOSUPPORT 1066
+#define EPROTOTYPE 1067
+#define EROFS 1068
+#define ESPIPE 1069
+#define ESRCH 1070
+#define ESTALE 1071
+#define ETIMEDOUT 1072
+#define ETXTBSY 1073
+#define EWOULDBLOCK EAGAIN
+#define EXDEV 1075
+#define ENODATA 1076
+#define ETIME 1077
+#define ENOKEY 1078
+#define ESHUTDOWN 1079
+#define EHOSTDOWN 1080
+#define EBADFD 1081
+#define ENOMEDIUM 1082
+#define ENOTBLK 1083
+#define ENONET 1084
+#define EPFNOSUPPORT 1085
+#define ESOCKTNOSUPPORT 1086
+#define ESTRPIPE 1087
+#define EREMOTEIO 1088
+#define ERFKILL 1089
+#define EBADR 1090
+#define EUNATCH 1091
+#define EMEDIUMTYPE 1092
+#define EREMOTE 1093
+#define EKEYREJECTED 1094
+#define EUCLEAN 1095
+#define EBADSLT 1096
+#define ENOANO 1097
+#define ENOCSI 1098
+#define ENOSTR 1099
+#define ETOOMANYREFS 1100
+#define ENOPKG 1101
+#define EKEYREVOKED 1102
+#define EXFULL 1103
+#define ELNRNG 1104
+#define ENOTUNIQ 1105
+#define ERESTART 1106
+#define EUSERS 1107
+#define ECHRNG 1108
+#define ELIBBAD 1109
+#define EL2HLT 1110
+#define EL3HLT 1111
+#define EKEYEXPIRED 1112
+#define ECOMM 1113
+#define EBADE 1114
+#define EHWPOISON 1115
+#define EBADRQC 1116
+
+#define EIEIO 1524152434
+
+#endif /* _ABIBITS_ERRNO_H */

user/include/mlibc/abis/lemon/fcntl.h

@@ -0,0 +1,85 @@
+#ifndef _ABIBITS_FCNTL_H
+#define _ABIBITS_FCNTL_H
+
+/* reserve 3 bits for the access mode */
+#define O_ACCMODE 0x0007
+#define O_EXEC 1
+#define O_RDONLY 2
+#define O_RDWR 3
+#define O_SEARCH 4
+#define O_WRONLY 5
+
+/* these flags get their own bit */
+#define O_APPEND    0x000008
+#define O_CREAT     0x000010
+#define O_DIRECTORY 0x000020
+#define O_EXCL      0x000040
+#define O_NOCTTY    0x000080
+#define O_NOFOLLOW  0x000100
+#define O_TRUNC     0x000200
+#define O_NONBLOCK  0x000400
+#define O_DSYNC     0x000800
+#define O_RSYNC     0x001000
+#define O_SYNC      0x002000
+#define O_CLOEXEC   0x004000
+#define O_PATH      0x008000
+#define O_LARGEFILE 0x010000
+#define O_NOATIME   0x020000
+#define O_ASYNC     0x040000
+#define O_TMPFILE   0x080000
+#define O_DIRECT    0x100000
+
+/* constants for fcntl()'s command argument */
+#define F_DUPFD 1
+#define F_DUPFD_CLOEXEC 2
+#define F_GETFD 3
+#define F_SETFD 4
+#define F_GETFL 5
+#define F_SETFL 6
+#define F_GETLK 7
+#define F_SETLK 8
+#define F_SETLK64 F_SETLK
+#define F_SETLKW 9
+#define F_SETLKW64 F_SETLKW
+#define F_GETOWN 10
+#define F_SETOWN 11
+
+/* constants for struct flock's l_type member */
+#define F_RDLCK 1
+#define F_UNLCK 2
+#define F_WRLCK 3
+
+/* constants for fcntl()'s additional argument of F_GETFD and F_SETFD */
+#define FD_CLOEXEC 1
+
+/* Used by mmap */
+#define F_SEAL_SHRINK 0x0002
+#define F_SEAL_GROW   0x0004
+#define F_SEAL_WRITE  0x0008
+#define F_SEAL_SEAL   0x0010
+#define F_SETPIPE_SZ  1031
+#define F_GETPIPE_SZ  1032
+#define F_ADD_SEALS   1033
+#define F_GET_SEALS   1034
+
+#define AT_EMPTY_PATH 1
+#define AT_SYMLINK_FOLLOW 2
+#define AT_SYMLINK_NOFOLLOW 4
+#define AT_REMOVEDIR 8
+#define AT_EACCESS 512
+#define AT_NO_AUTOMOUNT 1024
+#define AT_STATX_SYNC_AS_STAT 0
+#define AT_STATX_FORCE_SYNC 2048
+#define AT_STATX_DONT_SYNC 4096
+#define AT_STATX_SYNC_TYPE 6144
+
+#define AT_FDCWD -100
+
+#define POSIX_FADV_NORMAL 1
+#define POSIX_FADV_SEQUENTIAL 2
+#define POSIX_FADV_NOREUSE 3
+#define POSIX_FADV_DONTNEED 4
+#define POSIX_FADV_WILLNEED 5
+#define POSIX_FADV_RANDOM 6
+
+#endif /* _ABITBITS_FCNTL_H */

user/include/mlibc/abis/lemon/gid_t.h

@@ -0,0 +1,8 @@
+
+#ifndef _ABIBITS_GID_T_H
+#define _ABIBITS_GID_T_H
+
+typedef unsigned int gid_t;
+
+#endif /* _ABIBITS_GID_T_H */
+

user/include/mlibc/abis/lemon/in.h

@@ -0,0 +1,169 @@
+#ifndef _ABIBITS_IN_H
+#define _ABIBITS_IN_H
+
+#include <bits/posix/in_addr_t.h>
+#include <bits/posix/in_port_t.h>
+#include <abi-bits/socket.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct in_addr {
+	in_addr_t s_addr;
+};
+
+struct sockaddr_in {
+	sa_family_t sin_family;
+	in_port_t sin_port;
+	struct in_addr sin_addr;
+	uint8_t pad[8];
+};
+#define sin_zero pad		/* for BSD Unix compatibility */
+
+struct in6_addr {
+	union {
+		uint8_t __s6_addr[16];
+		uint16_t __s6_addr16[8];
+		uint32_t __s6_addr32[4];
+	} __in6_union;
+};
+#define s6_addr __in6_union.__s6_addr
+#define s6_addr16 __in6_union.__s6_addr16
+#define s6_addr32 __in6_union.__s6_addr32
+
+struct in6_pktinfo {
+	struct in6_addr ipi6_addr;
+	uint32_t ipi6_ifindex;
+};
+
+struct sockaddr_in6 {
+	sa_family_t sin6_family;
+	in_port_t sin6_port;
+	uint32_t sin6_flowinfo;
+	struct in6_addr sin6_addr;
+	uint32_t sin6_scope_id;
+};
+
+struct ipv6_mreq {
+	struct in6_addr ipv6mr_multiaddr;
+	unsigned ipv6mr_interface;
+};
+
+struct ip_mreq {
+	struct in_addr imr_multiaddr;
+	struct in_addr imr_interface;
+};
+
+struct ip_mreq_source {
+	struct in_addr imr_multiaddr;
+	struct in_addr imr_interface;
+	struct in_addr imr_sourceaddr;
+};
+
+struct ip_mreqn {
+	struct in_addr imr_multiaddr;
+	struct in_addr imr_address;
+	int imr_ifindex;
+};
+
+struct in_pktinfo {
+	unsigned int ipi_ifindex;
+	struct in_addr ipi_spec_dst;
+	struct in_addr ipi_addr;
+};
+
+struct group_source_req {
+	uint32_t gsr_interface;
+	struct sockaddr_storage gsr_group;
+	struct sockaddr_storage gsr_source;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#define IN6ADDR_ANY_INIT      { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
+#define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
+
+#define IPPROTO_IP 1
+#define IPPROTO_IPV6 2
+#define IPPROTO_ICMP 3
+#define IPPROTO_RAW 4
+#define IPPROTO_TCP 5
+#define IPPROTO_UDP 6
+#define IPPROTO_IGMP 7
+#define IPPROTO_IPIP 8
+#define IPPROTO_DCCP 33
+#define IPPROTO_ROUTING 43
+#define IPPROTO_GRE 47
+#define IPPROTO_ESP 50
+#define IPPROTO_AH 51
+#define IPPROTO_ICMPV6 58
+#define IPPROTO_DSTOPTS 60
+#define IPPROTO_COMP 108
+#define IPPROTO_SCTP 132
+#define IPPROTO_UDPLITE 136
+#define IPPROTO_MAX 256
+
+#define INADDR_ANY ((in_addr_t)0x00000000)
+#define INADDR_BROADCAST ((in_addr_t)0xffffffff)
+#define INADDR_LOOPBACK ((in_addr_t)0x7f000001)
+#define INADDR_NONE ((in_addr_t)0xffffffff)
+
+#define INET_ADDRSTRLEN 16
+
+#define INET6_ADDRSTRLEN 46
+
+#define IPV6_JOIN_GROUP 1
+#define IPV6_LEAVE_GROUP 2
+#define IPV6_MULTICAST_HOPS 3
+#define IPV6_MULTICAST_IF 4
+#define IPV6_MULTICAST_LOOP 5
+#define IPV6_UNICAST_HOPS 6
+#define IPV6_V6ONLY 7
+#define IPV6_PMTUDISC_DONT 8
+#define IPV6_PMTUDISC_DO 9
+#define IPV6_MTU 10
+#define IPV6_2292PKTOPTIONS 11
+#define IPV6_MTU_DISCOVER 23
+#define IPV6_RECVERR 25
+#define IPV6_RECVPKTINFO 49
+#define IPV6_PKTINFO 50
+#define IPV6_RECVHOPLIMIT 51
+#define IPV6_HOPLIMIT 52
+#define IPV6_TCLASS 67
+
+#define IP_TOS 1
+#define IP_TTL 2
+#define IP_OPTIONS 4
+#define IP_PMTUDISC_OMIT 5
+#define IP_PKTINFO 8
+#define IP_PKTOPTIONS 9
+#define IP_MTU_DISCOVER 10
+#define IP_RECVERR 11
+#define IP_RECVTTL 12
+#define IP_UNICAST_IF 13
+#define IP_MTU 14
+
+#define IP_DEFAULT_MULTICAST_TTL  1
+#define IP_MULTICAST_IF           32
+#define IP_MULTICAST_TTL          33
+#define IP_MULTICAST_LOOP         34
+#define IP_ADD_MEMBERSHIP         35
+#define IP_DROP_MEMBERSHIP        36
+#define IP_UNBLOCK_SOURCE         37
+#define IP_BLOCK_SOURCE           38
+#define IP_ADD_SOURCE_MEMBERSHIP  39
+#define IP_DROP_SOURCE_MEMBERSHIP 40
+#define MCAST_JOIN_SOURCE_GROUP   46
+#define MCAST_LEAVE_SOURCE_GROUP  47
+
+#define IP_PMTUDISC_DONT 0
+#define IP_PMTUDISC_DO   2
+
+#define IPV6_ADD_MEMBERSHIP  IPV6_JOIN_GROUP
+#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
+
+#endif /* _ABIBITS_IN_H */

user/include/mlibc/abis/lemon/ino_t.h

@@ -0,0 +1,9 @@
+
+#ifndef _ABIBITS_INO_T_H
+#define _ABIBITS_INO_T_H
+
+/* TODO: use (u)int64_t? */
+typedef long ino_t;
+
+#endif /* _ABIBITS_INO_T_H */
+

user/include/mlibc/abis/lemon/inotify.h

@@ -0,0 +1,7 @@
+#ifndef _ABIBITS_INOTIFY_H
+#define _ABIBITS_INOTIFY_H
+
+#define IN_CLOEXEC 1
+#define IN_NONBLOCK 2
+
+#endif /* _ABIBITS_INOTIFY_H */

user/include/mlibc/abis/lemon/ipc.h

@@ -0,0 +1,51 @@
+#ifndef _ABIBITS_IPC_H
+#define _ABIBITS_IPC_H
+
+#include <abi-bits/uid_t.h>
+#include <abi-bits/gid_t.h>
+#include <abi-bits/mode_t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define IPC_CREAT 01000
+#define IPC_EXCL 02000
+#define IPC_NOWAIT 04000
+
+#define IPC_RMID 0
+#define IPC_SET 1
+#define IPC_STAT 2
+#define IPC_INFO 3
+
+#define IPC_PRIVATE ((key_t) 0)
+
+#if defined(__aarch64__) || defined(__i386__) || defined(__m68k__)
+#define IPC_64 0x100
+#elif defined(__x86_64__) || (defined(__riscv) && __riscv_xlen == 64) || defined(__loongarch64)
+#define IPC_64 0
+#else
+#error "Unsupported arch!"
+#endif
+
+typedef int key_t;
+
+struct ipc64_perm {
+	key_t __ipc_perm_key;
+	uid_t uid;
+	gid_t gid;
+	uid_t cuid;
+	gid_t cgid;
+	mode_t mode;
+	short __ipc_perm_seq;
+	short __pad;
+	unsigned long __unused[2];
+};
+
+#define ipc_perm ipc64_perm
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

user/include/mlibc/abis/lemon/limits.h

@@ -0,0 +1,14 @@
+#ifndef _ABIBITS_LIMITS_H
+#define _ABIBITS_LIMITS_H
+
+#define IOV_MAX 1024
+
+/* Niceness related */
+#define NZERO 20
+
+/* Maximum hostname length, posix defines it as 255 */
+#define HOST_NAME_MAX 255
+
+#define OPEN_MAX 256
+
+#endif /*_ABIBITS_LIMITS_H */

user/include/mlibc/abis/lemon/mode_t.h

@@ -0,0 +1,8 @@
+
+#ifndef _ABIBITS_MODE_T_H
+#define _ABIBITS_MODE_T_H
+
+typedef int mode_t;
+
+#endif /* _ABIBITS_MODE_T_H */
+

user/include/mlibc/abis/lemon/nlink_t.h

@@ -0,0 +1,8 @@
+
+#ifndef _ABIBITS_NLINK_T_H
+#define _ABIBITS_NLINK_T_H
+
+typedef int nlink_t;
+
+#endif /* _ABIBITS_NLINK_T_H */
+

user/include/mlibc/abis/lemon/packet.h

@@ -0,0 +1,6 @@
+#ifndef _ABIBITS_PACKET_H
+#define _ABIBITS_PACKET_H
+
+#define PACKET_HOST 0
+
+#endif /* _ABIBITS_PACKET_H */

user/include/mlibc/abis/lemon/pid_t.h

@@ -0,0 +1,8 @@
+
+#ifndef _ABIBITS_PID_T_H
+#define _ABIBITS_PID_T_H
+
+typedef int pid_t;
+
+#endif /* _ABIBITS_PID_T_H */
+

user/include/mlibc/abis/lemon/poll.h

@@ -0,0 +1,16 @@
+#ifndef _ABIBITS_POLL_H
+#define _ABIBITS_POLL_H
+
+#define POLLIN 0x01
+#define POLLOUT 0x02
+#define POLLPRI 0x04
+#define POLLHUP 0x08
+#define POLLERR 0x10
+#define POLLRDHUP 0x20
+#define POLLNVAL 0x40
+#define POLLWRNORM 0x80
+#define POLLRDNORM 0x100
+#define POLLWRBAND 0x200
+#define POLLRDBAND 0x400
+
+#endif /* _ABIBITS_POLL_H */

user/include/mlibc/abis/lemon/ptrace.h

@@ -0,0 +1,56 @@
+#ifndef _ABIBITS_PTRACE_H
+#define _ABIBITS_PTRACE_H
+
+#define PTRACE_PEEKTEXT 1
+#define PTRACE_PEEKDATA 2
+#define PTRACE_PEEKUSER 3
+#define PTRACE_POKETEXT 4
+#define PTRACE_POKEDATA 5
+#define PTRACE_CONT 7
+#define PTRACE_KILL 8
+#define PTRACE_SINGLESTEP 9
+#define PTRACE_GETREGS 14
+#define PTRACE_SETREGS 15
+#define PTRACE_ATTACH 16
+#define PTRACE_DETACH 17
+#define PTRACE_GETFPXREGS 18
+#define PTRACE_SETFPXREGS 19
+#define PTRACE_GETFPREGS 20
+#define PTRACE_SYSCALL 24
+#define PTRACE_SETOPTIONS 0x4200
+#define PTRACE_GETEVENTMSG 0x4201
+#define PTRACE_GETSIGINFO 0x4202
+#define PTRACE_SETSIGINFO 0x4203
+#define PTRACE_GETREGSET 0x4204
+#define PTRACE_SETREGSET 0x4205
+#define PTRACE_SEIZE 0x4206
+#define PTRACE_INTERRUPT 0x4207
+#define PTRACE_LISTEN 0x4208
+#define PTRACE_PEEKSIGINFO 0x4209
+#define PTRACE_GETSIGMASK 0x420A
+#define PTRACE_SETSIGMASK 0x420B
+#define PTRACE_SECCOMP_GET_FILTER 0x420C
+
+#define PTRACE_CE_O_TRACESYSGOOD 0x00000001
+#define PTRACE_O_TRACEFORK 0x00000002
+#define PTRACE_O_TRACEVFORK 0x00000004
+#define PTRACE_O_TRACECLONE 0x00000008
+#define PTRACE_O_TRACEEXEC 0x00000010
+#define PTRACE_O_TRACEVFORKDONE 0x00000020
+#define PTRACE_O_TRACEEXIT 0x00000040
+#define PTRACE_O_TRACESECCOMP 0x00000080
+#define PTRACE_O_EXITKILL 0x00100000
+#define PTRACE_O_SUSPEND_SECCOMP 0x00200000
+#define PTRACE_O_MASK 0x003000ff
+
+#define PTRACE_EVENT_FORK 1
+#define PTRACE_EVENT_VFORK 2
+#define PTRACE_EVENT_CLONE 3
+#define PTRACE_EVENT_EXEC 4
+#define PTRACE_EVENT_VFORK_DONE 5
+#define PTRACE_EVENT_EXIT 6
+#define PTRACE_EVENT_SECCOMP 7
+
+#define PTRACE_PEEKSIGINFO_SHARED 1
+
+#endif /* _ABIBITS_PTRACE_H */

user/include/mlibc/abis/lemon/random.h

@@ -0,0 +1,7 @@
+#ifndef _ABIBITS_RANDOM_H
+#define _ABIBITS_RANDOM_H
+
+#define GRND_RANDOM 1
+#define GRND_NONBLOCK 2
+
+#endif /* _ABIBITS_RANDOM_H */

user/include/mlibc/abis/lemon/resource.h

@@ -0,0 +1,53 @@
+#ifndef _ABIBITS_RESOURCE_H
+#define _ABIBITS_RESOURCE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bits/posix/timeval.h>
+
+#define RUSAGE_SELF 1
+#define RUSAGE_CHILDREN 2
+
+#define RLIMIT_CORE 1
+#define RLIMIT_CPU 2
+#define RLIMIT_DATA 3
+#define RLIMIT_FSIZE 4
+#define RLIMIT_NOFILE 5
+#define RLIMIT_STACK 6
+#define RLIMIT_AS 7
+#define RLIMIT_MEMLOCK 8
+#define RLIMIT_RSS 9
+#define RLIMIT_NPROC 10
+#define RLIMIT_LOCKS 11
+#define RLIMIT_SIGPENDING 12
+#define RLIMIT_MSGQUEUE 13
+#define RLIMIT_NICE 14
+#define RLIMIT_RTPRIO 15
+#define RLIMIT_NLIMITS 16
+
+struct rusage {
+	struct timeval ru_utime;
+	struct timeval ru_stime;
+	long int ru_maxrss;
+	long int ru_ixrss;
+	long int ru_idrss;
+	long int ru_isrss;
+	long int ru_minflt;
+	long int ru_majflt;
+	long int ru_nswap;
+	long int ru_inblock;
+	long int ru_oublock;
+	long int ru_msgsnd;
+	long int ru_msgrcv;
+	long int ru_nsignals;
+	long int ru_nvcsw;
+	long int ru_nivcsw;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ABIBITS_RESOURCE_H */

user/include/mlibc/abis/lemon/rlim_t.h

@@ -0,0 +1,6 @@
+#ifndef _ABIBITS_RLIM_T_H
+#define _ABIBITS_RLIM_T_H
+
+typedef unsigned long long rlim_t;
+
+#endif /* _ABIBITS_RLIM_T_H */

user/include/mlibc/abis/lemon/shm.h

@@ -0,0 +1,84 @@
+#ifndef _ABIBITS_SHM_H
+#define _ABIBITS_SHM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bits/ansi/time_t.h>
+#include <abi-bits/pid_t.h>
+
+#include <unistd.h>
+#include <sys/ipc.h>
+
+#define SHM_R 0400
+#define SHM_W 0200
+
+#define SHM_RDONLY 010000
+#define SHM_RND 020000
+#define SHM_REMAP 040000
+#define SHM_EXEC 0100000
+
+#define SHM_LOCK 11
+#define SHM_UNLOCK 12
+#define SHM_STAT 13
+#define SHM_INFO 14
+#define SHM_STAT_ANY 15
+#define SHM_DEST 01000
+#define SHM_LOCKED 02000
+#define SHM_HUGETLB 04000
+#define SHM_NORESERVE 010000
+
+#define SHM_HUGE_SHIFT 26
+#define SHM_HUGE_MASK 0x3f
+#define SHM_HUGE_64KB (16 << 26)
+#define SHM_HUGE_512KB (19 << 26)
+#define SHM_HUGE_1MB (20 << 26)
+#define SHM_HUGE_2MB (21 << 26)
+#define SHM_HUGE_8MB (23 << 26)
+#define SHM_HUGE_16MB (24 << 26)
+#define SHM_HUGE_32MB (25 << 26)
+#define SHM_HUGE_256MB (28 << 26)
+#define SHM_HUGE_512MB (29 << 26)
+#define SHM_HUGE_1GB (30 << 26)
+#define SHM_HUGE_2GB (31 << 26)
+#define SHM_HUGE_16GB (34U << 26)
+
+typedef unsigned long shmatt_t;
+
+struct shmid_ds {
+	struct ipc_perm shm_perm;
+	size_t shm_segsz;
+	time_t shm_atime;
+	time_t shm_dtime;
+	time_t shm_ctime;
+	pid_t shm_cpid;
+	pid_t shm_lpid;
+	unsigned long shm_nattch;
+};
+
+struct shminfo {
+	unsigned long shmmax;
+	unsigned long shmmin;
+	unsigned long shmmni;
+	unsigned long shmseg;
+	unsigned long shmall;
+	unsigned long __unused[4];
+};
+
+struct shm_info {
+	int used_ids;
+	unsigned long shm_tot;
+	unsigned long shm_rss;
+	unsigned long shm_swp;
+	unsigned long swap_attempts;
+	unsigned long swap_successes;
+};
+
+#define SHMLBA (getpagesize())
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ABIBITS_SHM_H */

user/include/mlibc/abis/lemon/stat.h

@@ -0,0 +1,69 @@
+#ifndef _ABIBITS_STAT_H
+#define _ABIBITS_STAT_H
+
+#include <abi-bits/uid_t.h>
+#include <abi-bits/gid_t.h>
+#include <bits/off_t.h>
+#include <abi-bits/mode_t.h>
+#include <abi-bits/dev_t.h>
+#include <abi-bits/ino_t.h>
+#include <abi-bits/blksize_t.h>
+#include <abi-bits/blkcnt_t.h>
+#include <abi-bits/nlink_t.h>
+#include <bits/ansi/time_t.h>
+#include <bits/ansi/timespec.h>
+
+#define S_IFMT 0x0F000
+#define S_IFBLK 0x06000
+#define S_IFCHR 0x02000
+#define S_IFIFO 0x01000
+#define S_IFREG 0x08000
+#define S_IFDIR 0x04000
+#define S_IFLNK 0x0A000
+#define S_IFSOCK 0x0C000
+
+#define S_IRWXU 0700
+#define S_IRUSR 0400
+#define S_IWUSR 0200
+#define S_IXUSR 0100
+#define S_IRWXG 070
+#define S_IRGRP 040
+#define S_IWGRP 020
+#define S_IXGRP 010
+#define S_IRWXO 07
+#define S_IROTH 04
+#define S_IWOTH 02
+#define S_IXOTH 01
+#define S_ISUID 04000
+#define S_ISGID 02000
+#define S_ISVTX 01000
+
+#define S_IREAD  S_IRUSR
+#define S_IWRITE S_IWUSR
+#define S_IEXEC  S_IXUSR
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct stat {
+	dev_t st_dev;
+	ino_t st_ino;
+	mode_t st_mode;
+	nlink_t st_nlink;
+	uid_t st_uid;
+	gid_t st_gid;
+	dev_t st_rdev;
+	off_t st_size;
+	struct timespec st_atim;
+	struct timespec st_mtim;
+	struct timespec st_ctim;
+	blksize_t st_blksize;
+	blkcnt_t st_blocks;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ABIBITS_STAT_H */

user/include/mlibc/abis/lemon/time.h

@@ -0,0 +1,15 @@
+#ifndef _ABIBITS_TIME_H
+#define _ABIBITS_TIME_H
+
+#include <bits/posix/timeval.h>
+
+struct itimerval {
+	struct timeval it_interval;	/* Interval for periodic timer */
+	struct timeval it_value;	/* Time until next expiration */
+};
+
+#define ITIMER_REAL	0
+#define ITIMER_VIRTUAL	1
+#define ITIMER_PROF	2
+
+#endif /* _ABIBITS_TIME_H */

user/include/mlibc/abis/lemon/uid_t.h

@@ -0,0 +1,8 @@
+
+#ifndef _ABIBITS_UID_T_H
+#define _ABIBITS_UID_T_H
+
+typedef unsigned int uid_t;
+
+#endif /* _ABIBITS_UID_T_H */
+

user/include/mlibc/abis/lemon/utsname.h

@@ -0,0 +1,18 @@
+#ifndef _ABIBITS_UTSNAME_T_H
+#define _ABIBITS_UTSNAME_T_H
+
+#if __MLIBC_BUILDING_MLIBC
+#warning utsname.h is a broken header originally from the deprecated "mlibc" ABI. \
+    We suggest to use abis/linux/utsname.h instead. \
+    Note that this will potentially require kernel changes.
+#endif
+
+struct utsname {
+	char sysname[65];
+	char nodename[65];
+	char release[65];
+	char version[65];
+	char machine[65];
+};
+
+#endif /* _ABIBITS_UTSNAME_T_H */

user/include/mlibc/abis/lemon/vm-flags.h

@@ -0,0 +1,46 @@
+#ifndef _ABIBITS_MMAP_FLAGS_H
+#define _ABIBITS_MMAP_FLAGS_H
+
+#define PROT_NONE  0x00
+#define PROT_READ  0x01
+#define PROT_WRITE 0x02
+#define PROT_EXEC  0x04
+
+#define MAP_FAILED ((void *)(-1))
+#define MAP_FILE      0x00
+#define MAP_PRIVATE   0x01
+#define MAP_SHARED    0x02
+#define MAP_FIXED     0x04
+#define MAP_ANON      0x08
+#define MAP_ANONYMOUS 0x08
+#define MAP_NORESERVE 0x10
+#define MAP_FIXED_NOREPLACE 0x20
+
+#define MS_ASYNC 0x01
+#define MS_SYNC 0x02
+#define MS_INVALIDATE 0x04
+
+#define MCL_CURRENT 0x01
+#define MCL_FUTURE 0x02
+
+#define POSIX_MADV_NORMAL 1
+#define POSIX_MADV_SEQUENTIAL 2
+#define POSIX_MADV_RANDOM 3
+#define POSIX_MADV_DONTNEED 4
+#define POSIX_MADV_WILLNEED 5
+
+#define MADV_NORMAL 0
+#define MADV_RANDOM 1
+#define MADV_SEQUENTIAL 2
+#define MADV_WILLNEED 3
+#define MADV_DONTNEED 4
+#define MADV_FREE 8
+
+/* Linux extensions: */
+#define MREMAP_MAYMOVE 1
+#define MREMAP_FIXED 2
+
+#define MFD_CLOEXEC 1U
+#define MFD_ALLOW_SEALING 2U
+
+#endif /* _ABIBITS_MMAP_FLAGS_H */