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sync

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This commit is contained in:
purplerain 2023-05-13 14:25:18 +00:00
parent f609457dcf
commit 62073e0295
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
318 changed files with 8112 additions and 4346 deletions
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18
lib/libc/arch/amd64/sys/syscall.S
View file

@ -1,4 +1,4 @@
/* $OpenBSD: syscall.S,v 1.8 2016/05/07 19:05:21 guenther Exp $ */
/* $OpenBSD: syscall.S,v 1.9 2023/05/11 19:35:50 guenther Exp $ */
/* $NetBSD: syscall.S,v 1.2 2002/06/03 18:30:33 fvdl Exp $ */
/*-
@ -39,4 +39,18 @@
#include "SYS.h"
RSYSCALL(syscall)
SYSENTRY(syscall)
RETGUARD_SETUP(_thread_sys_syscall, r11)
#ifdef _RET_PROTECTOR
pushq 8(%rsp) /* repush 6th argument */
#endif
RETGUARD_PUSH(r11)
SYSTRAP(syscall)
HANDLE_ERRNO;
RETGUARD_POP(r11)
#ifdef _RET_PROTECTOR
addq $8,%rsp /* repush 6th argument */
#endif
RETGUARD_CHECK(_thread_sys_syscall, r11)
ret
SYSCALL_END(syscall)

24
lib/libc/stdlib/malloc.c
View file

@ -1,4 +1,4 @@
/* $OpenBSD: malloc.c,v 1.282 2023/04/21 06:19:40 jsg Exp $ */
/* $OpenBSD: malloc.c,v 1.283 2023/05/10 07:58:06 otto Exp $ */
/*
* Copyright (c) 2008, 2010, 2011, 2016, 2023 Otto Moerbeek <otto@drijf.net>
* Copyright (c) 2012 Matthew Dempsky <matthew@openbsd.org>
@ -264,24 +264,6 @@ static void malloc_exit(void);
(sz) = (uintptr_t)(r)->p & MALLOC_PAGEMASK, \
(sz) = ((sz) == 0 ? (r)->size : B2SIZE((sz) - 1))
static inline void
_MALLOC_LEAVE(struct dir_info *d)
{
if (d->malloc_mt) {
d->active--;
_MALLOC_UNLOCK(d->mutex);
}
}
static inline void
_MALLOC_ENTER(struct dir_info *d)
{
if (d->malloc_mt) {
_MALLOC_LOCK(d->mutex);
d->active++;
}
}
static inline size_t
hash(void *p)
{
@ -879,9 +861,7 @@ map(struct dir_info *d, size_t sz, int zero_fill)
return p;
}
if (psz <= 1) {
_MALLOC_LEAVE(d);
p = MMAP(cache->max * sz, d->mmap_flag);
_MALLOC_ENTER(d);
if (p != MAP_FAILED) {
STATS_ADD(d->malloc_used, cache->max * sz);
cache->length = cache->max - 1;
@ -901,9 +881,7 @@ map(struct dir_info *d, size_t sz, int zero_fill)
}
}
_MALLOC_LEAVE(d);
p = MMAP(sz, d->mmap_flag);
_MALLOC_ENTER(d);
if (p != MAP_FAILED)
STATS_ADD(d->malloc_used, sz);
/* zero fill not needed */