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Support thread local storage

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This commit is contained in:
Justine Tunney 2022-05-16 13:20:08 -07:00
parent 91ee2b19d4
commit 55de4ca6b5
197 changed files with 1483 additions and 874 deletions
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1
libc/intrin/intrin.mk
View file

@ -66,6 +66,7 @@ o/$(MODE)/libc/intrin/kprintf.greg.o: \
o/$(MODE)/libc/intrin/tls.greg.o \
o/$(MODE)/libc/intrin/exit.greg.o \
o/$(MODE)/libc/intrin/errno.greg.o \
o/$(MODE)/libc/intrin/exit1.greg.o \
o/$(MODE)/libc/intrin/gettid.greg.o \
o/$(MODE)/libc/intrin/getenv.greg.o \

1
libc/intrin/kprintf.greg.c
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@ -262,6 +262,7 @@ privileged static size_t kformat(char *b, size_t n, const char *fmt, va_list va,
continue;
case '#':
case '`':
hash = '0';
continue;

2
libc/intrin/spinlock.h
View file

@ -21,7 +21,7 @@
#define _seizelock(lock) \
do { \
typeof(*(lock)) x = 1; \
__atomic_store(lock, &x, __ATOMIC_SEQ_CST); \
__atomic_store(lock, &x, __ATOMIC_RELEASE); \
} while (0)
#define _spinlock_tiny(lock) \

21
libc/intrin/threaded.c
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@ -1,21 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 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/intrin/threaded.internal.h"
bool __threaded;

1
libc/intrin/threaded.internal.h
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@ -3,6 +3,7 @@
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
extern bool __hastls;
extern bool __threaded;
COSMOPOLITAN_C_END_

3
libc/intrin/tls.greg.c
View file

@ -83,6 +83,9 @@ void *TlsGetValue(uint32_t dwTlsIndex) {
: "=r"(lpTlsValue)
: "m"(*((long *)0x1480 + dwTlsIndex)));
return lpTlsValue;
// // this could also be written as...
// asm("movq\t%%gs:0x30,%0" : "=a"(tib));
// return (void *)tib[0x1480 / 8 + dwTlsIndex];
} else {
return __imp_TlsGetValue(dwTlsIndex);
}