Make fixes and improvements

- Document more compiler flags - Expose new __print_maps() api - Better overflow checking in mmap() - Improve the shell example somewhat - Fix minor runtime bugs regarding stacks - Make kill() on fork()+execve()'d children work - Support CLONE_CHILD_CLEARTID for proper joining - Fix recent possible deadlock regression with --ftrace
2025-07-07 11:48:30 +00:00 · 2022-05-19 16:57:49 -07:00 · 2022-05-19 16:57:49 -07:00 · ec2cb88058
commit ec2cb88058
parent 6e52cba37a
68 changed files with 1211 additions and 431 deletions
--- a/libc/intrin/kerrnonames.S
+++ b/libc/intrin/kerrnonames.S
@ -0,0 +1,122 @@
+/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8     -*-│
+│vi: set et ft=asm ts=8 tw=8 fenc=utf-8                                     :vi│
+╞══════════════════════════════════════════════════════════════════════════════╡
+│ Copyright 2021 Justine Alexandra Roberts Tunney                              │
+│                                                                              │
+│ Permission to use, copy, modify, and/or distribute this software for         │
+│ any purpose with or without fee is hereby granted, provided that the         │
+│ above copyright notice and this permission notice appear in all copies.      │
+│                                                                              │
+│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
+│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
+│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
+│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
+│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
+│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
+│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
+│ PERFORMANCE OF THIS SOFTWARE.                                                │
+╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/fmt/magnumstrs.internal.h"
+#include "libc/macros.internal.h"
+
+	.macro	.e e
+	.long	\e - kErrnoNames
+	.long	1f - kErrnoNames
+	.rodata.str1.1
+1:	.string	"\e"
+	.previous
+	.endm
+
+	.section .rodata
+	.align	4
+	.underrun
+kErrnoNames:
+	.e	EINVAL
+	.e	ENOSYS
+	.e	EPERM
+	.e	ENOENT
+	.e	ESRCH
+	.e	EINTR
+	.e	EIO
+	.e	ENXIO
+	.e	E2BIG
+	.e	ENOEXEC
+	.e	EBADF
+	.e	ECHILD
+	.e	EAGAIN
+	.e	ENOMEM
+	.e	EACCES
+	.e	EFAULT
+	.e	ENOTBLK
+	.e	EBUSY
+	.e	EEXIST
+	.e	EXDEV
+	.e	ENODEV
+	.e	ENOTDIR
+	.e	EISDIR
+	.e	ENFILE
+	.e	EMFILE
+	.e	ENOTTY
+	.e	ETXTBSY
+	.e	EFBIG
+	.e	ENOSPC
+	.e	EDQUOT
+	.e	ESPIPE
+	.e	EROFS
+	.e	EMLINK
+	.e	EPIPE
+	.e	EDOM
+	.e	ERANGE
+	.e	EDEADLK
+	.e	ENAMETOOLONG
+	.e	ENOLCK
+	.e	ENOTEMPTY
+	.e	ELOOP
+	.e	ENOMSG
+	.e	EIDRM
+	.e	ETIME
+	.e	EPROTO
+	.e	EOVERFLOW
+	.e	EILSEQ
+	.e	EUSERS
+	.e	ENOTSOCK
+	.e	EDESTADDRREQ
+	.e	EMSGSIZE
+	.e	EPROTOTYPE
+	.e	ENOPROTOOPT
+	.e	EPROTONOSUPPORT
+	.e	ESOCKTNOSUPPORT
+	.e	ENOTSUP
+	.e	EOPNOTSUPP
+	.e	EPFNOSUPPORT
+	.e	EAFNOSUPPORT
+	.e	EADDRINUSE
+	.e	EADDRNOTAVAIL
+	.e	ENETDOWN
+	.e	ENETUNREACH
+	.e	ENETRESET
+	.e	ECONNABORTED
+	.e	ECONNRESET
+	.e	ENOBUFS
+	.e	EISCONN
+	.e	ENOTCONN
+	.e	ESHUTDOWN
+	.e	ETOOMANYREFS
+	.e	ETIMEDOUT
+	.e	ECONNREFUSED
+	.e	EHOSTDOWN
+	.e	EHOSTUNREACH
+	.e	EALREADY
+	.e	EINPROGRESS
+	.e	ESTALE
+	.e	EREMOTE
+	.e	EBADMSG
+	.e	ECANCELED
+	.e	EOWNERDEAD
+	.e	ENOTRECOVERABLE
+	.e	ENONET
+	.e	ERESTART
+	.e	ENODATA
+	.long	MAGNUM_TERMINATOR
+	.endobj	kErrnoNames,globl,hidden
+	.overrun