Adds most of the toolsHEADmaster

1 files changed, 433 insertions, 0 deletions

diff --git a/v_windows/v/vlib/builtin/linux_bare/linux_syscalls.v b/v_windows/v/vlib/builtin/linux_bare/linux_syscalls.v
new file mode 100644
index 0000000..b0b2c47
--- /dev/null
+++ b/v_windows/v/vlib/builtin/linux_bare/linux_syscalls.v
@@ -0,0 +1,433 @@
+module builtin
+
+enum SigIndex {
+	si_signo = 0x00
+	si_code = 0x02
+	si_pid = 0x04
+	si_uid = 0x05
+	si_status = 0x06
+	si_size = 0x80
+}
+
+enum Signo {
+	sighup = 1 // Hangup.
+	sigint = 2 // Interactive attention signal.
+	sigquit = 3 // Quit.
+	sigill = 4 // Illegal instruction.
+	sigtrap = 5 // Trace/breakpoint trap.
+	sigabrt = 6 // Abnormal termination.
+	sigbus = 7
+	sigfpe = 8 // Erroneous arithmetic operation.
+	sigkill = 9 // Killed.
+	sigusr1 = 10
+	sigsegv = 11 // Invalid access to memory.
+	sigusr2 = 12
+	sigpipe = 13 // Broken pipe.
+	sigalrm = 14 // Alarm clock.
+	sigterm = 15 // Termination request.
+	sigstkflt = 16
+	sigchld = 17
+	sigcont = 18
+	sigstop = 19
+	sigtstp = 20
+	sigttin = 21 // Background read from control terminal.
+	sigttou = 22 // Background write to control terminal.
+	sigurg = 23
+	sigxcpu = 24 // CPU time limit exceeded.
+	sigxfsz = 25 // File size limit exceeded.
+	sigvtalrm = 26 // Virtual timer expired.
+	sigprof = 27 // Profiling timer expired.
+	sigwinch = 28
+	sigpoll = 29
+	sigsys = 31
+}
+
+// List of all the errors returned by syscalls
+enum Errno {
+	enoerror = 0x00000000
+	eperm = 0x00000001
+	enoent = 0x00000002
+	esrch = 0x00000003
+	eintr = 0x00000004
+	eio = 0x00000005
+	enxio = 0x00000006
+	e2big = 0x00000007
+	enoexec = 0x00000008
+	ebadf = 0x00000009
+	echild = 0x0000000a
+	eagain = 0x0000000b
+	enomem = 0x0000000c
+	eacces = 0x0000000d
+	efault = 0x0000000e
+	enotblk = 0x0000000f
+	ebusy = 0x00000010
+	eexist = 0x00000011
+	exdev = 0x00000012
+	enodev = 0x00000013
+	enotdir = 0x00000014
+	eisdir = 0x00000015
+	einval = 0x00000016
+	enfile = 0x00000017
+	emfile = 0x00000018
+	enotty = 0x00000019
+	etxtbsy = 0x0000001a
+	efbig = 0x0000001b
+	enospc = 0x0000001c
+	espipe = 0x0000001d
+	erofs = 0x0000001e
+	emlink = 0x0000001f
+	epipe = 0x00000020
+	edom = 0x00000021
+	erange = 0x00000022
+}
+
+enum MemProt {
+	prot_read = 0x1
+	prot_write = 0x2
+	prot_exec = 0x4
+	prot_none = 0x0
+	prot_growsdown = 0x01000000
+	prot_growsup = 0x02000000
+}
+
+enum MapFlags {
+	map_shared = 0x01
+	map_private = 0x02
+	map_shared_validate = 0x03
+	map_type = 0x0f
+	map_fixed = 0x10
+	map_file = 0x00
+	map_anonymous = 0x20
+	map_huge_shift = 26
+	map_huge_mask = 0x3f
+}
+
+//   const (
+// 	fcntlf_dupfd         = 0x00000000
+// 	fcntlf_exlck         = 0x00000004
+// 	fcntlf_getfd         = 0x00000001
+// 	fcntlf_getfl         = 0x00000003
+// 	fcntlf_getlk         = 0x00000005
+// 	fcntlf_getlk64       = 0x0000000c
+// 	fcntlf_getown        = 0x00000009
+// 	fcntlf_getowner_uids = 0x00000011
+// 	fcntlf_getown_ex     = 0x00000010
+// 	fcntlf_getsig        = 0x0000000b
+// 	fcntlf_ofd_getlk     = 0x00000024
+// 	fcntlf_ofd_setlk     = 0x00000025
+// 	fcntlf_ofd_setlkw    = 0x00000026
+// 	fcntlf_owner_pgrp    = 0x00000002
+// 	fcntlf_owner_pid     = 0x00000001
+// 	fcntlf_owner_tid     = 0x00000000
+// 	fcntlf_rdlck         = 0x00000000
+// 	fcntlf_setfd         = 0x00000002
+// 	fcntlf_setfl         = 0x00000004
+// 	fcntlf_setlk         = 0x00000006
+// 	fcntlf_setlk64       = 0x0000000d
+// 	fcntlf_setlkw        = 0x00000007
+// 	fcntlf_setlkw64      = 0x0000000e
+// 	fcntlf_setown        = 0x00000008
+// 	fcntlf_setown_ex     = 0x0000000f
+// 	fcntlf_setsig        = 0x0000000a
+// 	fcntlf_shlck         = 0x00000008
+// 	fcntlf_unlck         = 0x00000002
+// 	fcntlf_wrlck         = 0x00000001
+// 	fcntllock_ex         = 0x00000002
+// 	fcntllock_mand       = 0x00000020
+// 	fcntllock_nb         = 0x00000004
+// 	fcntllock_read       = 0x00000040
+// 	fcntllock_rw         = 0x000000c0
+// 	fcntllock_sh         = 0x00000001
+// 	fcntllock_un         = 0x00000008
+// 	fcntllock_write      = 0x00000080
+// 	fcntlo_accmode       = 0x00000003
+// 	fcntlo_append        = 0x00000400
+// 	fcntlo_cloexec       = 0x00080000
+// 	fcntlo_creat         = 0x00000040
+// 	fcntlo_direct        = 0x00004000
+// 	fcntlo_directory     = 0x00010000
+// 	fcntlo_dsync         = 0x00001000
+// 	fcntlo_excl          = 0x00000080
+// 	fcntlo_largefile     = 0x00008000
+// 	fcntlo_ndelay        = 0x00000800
+// 	fcntlo_noatime       = 0x00040000
+// 	fcntlo_noctty        = 0x00000100
+// 	fcntlo_nofollow      = 0x00020000
+// 	fcntlo_nonblock      = 0x00000800
+// 	fcntlo_path          = 0x00200000
+// 	fcntlo_rdonly        = 0x00000000
+// 	fcntlo_rdwr          = 0x00000002
+// 	fcntlo_trunc         = 0x00000200
+// 	fcntlo_wronly        = 0x00000001
+// )
+
+/*
+Paraphrased from "man 2 waitid" on Linux
+
+	Upon successful return, waitid() fills in the
+	following fields of the siginfo_t structure
+	pointed to by infop:
+
+	si_pid, offset 0x10, int index 0x04:
+		The process ID of the child.
+
+	si_uid: offset 0x14, int index 0x05
+		The real user ID of the child.
+
+	si_signo: offset 0x00, int index 0x00
+		Always set to SIGCHLD.
+
+	si_status: ofset 0x18, int index 0x06
+		1 the exit status of the child, as given to _exit(2)
+			(or exit(3)) (sc_sys.cld_exited)
+		2 the signal that caused the child to terminate, stop,
+			or continue.
+		3 The si_code field can be used to determine how to
+			interpret this field.
+
+	si_code, set to one of (enum Wi_si_code), offset 0x08, int index 0x02:
+		CLD_EXITED (child called _exit(2));
+		CLD_KILLED (child killed by signal);
+		CLD_DUMPED (child  killed by signal, and dumped core);
+		CLD_STOPPED (child stopped by signal);
+		CLD_TRAPPED (traced child has trapped);
+		CLD_CONTINUED (child continued by SIGCONT).
+*/
+
+const (
+	wp_sys_wnohang     = u64(0x00000001)
+	wp_sys_wuntraced   = u64(0x00000002)
+	wp_sys_wstopped    = u64(0x00000002)
+	wp_sys_wexited     = u64(0x00000004)
+	wp_sys_wcontinued  = u64(0x00000008)
+	wp_sys_wnowait     = u64(0x01000000) // don't reap, just poll status.
+	wp_sys___wnothread = u64(0x20000000) // don't wait on children of other threads in this group
+	wp_sys___wall      = u64(0x40000000) // wait on all children, regardless of type
+	wp_sys___wclone    = u64(0x80000000) // wait only on non-sigchld children
+)
+
+// First argument to waitid:
+enum WiWhich {
+	p_all = 0
+	p_pid = 1
+	p_pgid = 2
+}
+
+enum WiSiCode {
+	cld_exited = 1 // child has exited
+	cld_killed = 2 // child was killed
+	cld_dumped = 3 // child terminated abnormally
+	cld_trapped = 4 // traced child has trapped
+	cld_stopped = 5 // child has stopped
+	cld_continued = 6 // stopped child has continued
+}
+
+fn split_int_errno(rc_in u64) (i64, Errno) {
+	rc := i64(rc_in)
+	if rc < 0 {
+		return i64(-1), Errno(-rc)
+	}
+	return rc, Errno.enoerror
+}
+
+// 0 sys_read
+fn sys_read(fd i64, buf &byte, count u64) (i64, Errno) {
+	return split_int_errno(sys_call3(0, u64(fd), u64(buf), count))
+}
+
+// 1 sys_write
+pub fn sys_write(fd i64, buf &byte, count u64) (i64, Errno) {
+	return split_int_errno(sys_call3(1, u64(fd), u64(buf), count))
+}
+
+// 2 sys_open
+fn sys_open(filename &byte, flags i64, mode int) (i64, Errno) {
+	return split_int_errno(sys_call3(2, u64(filename), u64(flags), u64(mode)))
+}
+
+// 3 sys_close
+fn sys_close(fd i64) Errno {
+	return Errno(-i64(sys_call1(3, u64(fd))))
+}
+
+// 9 sys_mmap
+fn sys_mmap(addr &byte, len u64, prot MemProt, flags MapFlags, fildes u64, off u64) (&byte, Errno) {
+	rc := sys_call6(9, u64(addr), len, u64(prot), u64(flags), fildes, off)
+	a, e := split_int_errno(rc)
+	return &byte(a), e
+}
+
+// 11 sys_munmap
+fn sys_munmap(addr voidptr, len u64) Errno {
+	return Errno(-sys_call2(11, u64(addr), len))
+}
+
+// 22  sys_pipe
+fn sys_pipe(filedes &int) Errno {
+	return Errno(sys_call1(22, u64(filedes)))
+}
+
+// 24 sys_sched_yield
+fn sys_sched_yield() Errno {
+	return Errno(sys_call0(24))
+}
+
+// 28 sys_madvise
+fn sys_madvise(addr voidptr, len u64, advice int) Errno {
+	return Errno(sys_call3(28, u64(addr), len, u64(advice)))
+}
+
+// 39 sys_getpid
+fn sys_getpid() int {
+	return int(sys_call0(39))
+}
+
+// 57 sys_fork
+fn sys_fork() int {
+	return int(sys_call0(57))
+}
+
+// 58 sys_vfork
+fn sys_vfork() int {
+	return int(sys_call0(58))
+}
+
+// 33  sys_dup2
+fn sys_dup2(oldfd int, newfd int) (i64, Errno) {
+	return split_int_errno(sys_call2(33, u64(oldfd), u64(newfd)))
+}
+
+// 59  sys_execve
+fn sys_execve(filename &byte, argv []&byte, envp []&byte) int {
+	return int(sys_call3(59, u64(filename), argv.data, envp.data))
+}
+
+// 60 sys_exit
+[noreturn]
+fn sys_exit(ec int) {
+	sys_call1(60, u64(ec))
+	for {}
+}
+
+// 102 sys_getuid
+fn sys_getuid() int {
+	return int(sys_call0(102))
+}
+
+// 247 sys_waitid
+fn sys_waitid(which WiWhich, pid int, infop &int, options int, ru voidptr) Errno {
+	return Errno(sys_call5(247, u64(which), u64(pid), u64(infop), u64(options), u64(ru)))
+}
+
+fn sys_call0(scn u64) u64 {
+	mut res := u64(0)
+	asm amd64 {
+		syscall
+		; =a (res)
+		; a (scn)
+	}
+	return res
+}
+
+fn sys_call1(scn u64, arg1 u64) u64 {
+	mut res := u64(0)
+	asm amd64 {
+		syscall
+		; =a (res)
+		; a (scn)
+		  D (arg1)
+	}
+	return res
+}
+
+fn sys_call2(scn u64, arg1 u64, arg2 u64) u64 {
+	mut res := u64(0)
+	asm amd64 {
+		syscall
+		; =a (res)
+		; a (scn)
+		  D (arg1)
+		  S (arg2)
+	}
+	return res
+}
+
+fn sys_call3(scn u64, arg1 u64, arg2 u64, arg3 u64) u64 {
+	mut res := u64(0)
+	asm amd64 {
+		syscall
+		; =a (res)
+		; a (scn)
+		  D (arg1)
+		  S (arg2)
+		  d (arg3)
+	}
+	return res
+}
+
+fn sys_call4(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64) u64 {
+	mut res := u64(0)
+	asm amd64 {
+		mov r10, arg4
+		syscall
+		; =a (res)
+		; a (scn)
+		  D (arg1)
+		  S (arg2)
+		  d (arg3)
+		  r (arg4)
+		; r10
+	}
+	return res
+}
+
+fn sys_call5(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64, arg5 u64) u64 {
+	mut res := u64(0)
+	asm amd64 {
+		mov r10, arg4
+		mov r8, arg5
+		syscall
+		; =a (res)
+		; a (scn)
+		  D (arg1)
+		  S (arg2)
+		  d (arg3)
+		  r (arg4)
+		  r (arg5)
+		; r10
+		  r8
+	}
+	return res
+}
+
+fn sys_call6(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64, arg5 u64, arg6 u64) u64 {
+	mut res := u64(0)
+	asm amd64 {
+		mov r10, arg4
+		mov r8, arg5
+		mov r9, arg6
+		syscall
+		; =a (res)
+		; a (scn)
+		  D (arg1)
+		  S (arg2)
+		  d (arg3)
+		  r (arg4)
+		  r (arg5)
+		  r (arg6)
+		; r10
+		  r8
+		  r9
+	}
+	return res
+}
+
+asm amd64 {
+	.globl _start
+	_start:
+	call main
+	mov rax, 60
+	xor rdi, rdi
+	syscall
+	ret
+}