60 lines
1.5 KiB
Diff
60 lines
1.5 KiB
Diff
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# SPDX-FileCopyrightText: 2023 Richard Masters <grick23@gmail.com>
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# SPDX-License-Identifier: MIT
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diff -r -u musl-1.1.24.orig/arch/i386/pthread_arch.h musl-1.1.24/arch/i386/pthread_arch.h
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--- arch/i386/pthread_arch.h 2019-10-13 21:58:27.000000000 +0000
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+++ arch/i386/pthread_arch.h 2023-02-28 14:06:10.700603762 +0000
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@@ -1,8 +1,18 @@
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+#define BOOTSTRAP
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+
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+#ifdef BOOTSTRAP
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+extern pthread_t g_pthread;
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+#endif
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+
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static inline struct pthread *__pthread_self()
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{
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+#ifndef BOOTSTRAP
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struct pthread *self;
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__asm__ ("movl %%gs:0,%0" : "=r" (self) );
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return self;
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+#else
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+ return g_pthread;
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+#endif
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}
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#define TP_ADJ(p) (p)
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diff -r -u musl-1.1.24.orig/src/env/__init_tls.c musl-1.1.24/src/env/__init_tls.c
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--- src/env/__init_tls.c 2019-10-13 21:58:27.000000000 +0000
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+++ src/env/__init_tls.c 2023-02-28 14:07:04.956604831 +0000
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@@ -8,22 +8,31 @@
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#include "libc.h"
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#include "atomic.h"
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#include "syscall.h"
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+#define BOOTSTRAP
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volatile int __thread_list_lock;
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+#ifdef BOOTSTRAP
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+pthread_t g_pthread;
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+#endif
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int __init_tp(void *p)
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{
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pthread_t td = p;
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td->self = td;
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+#ifndef BOOTSTRAP
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int r = __set_thread_area(TP_ADJ(p));
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if (r < 0) return -1;
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if (!r) libc.can_do_threads = 1;
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+#endif
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td->detach_state = DT_JOINABLE;
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td->tid = __syscall(SYS_set_tid_address, &__thread_list_lock);
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td->locale = &libc.global_locale;
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td->robust_list.head = &td->robust_list.head;
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td->sysinfo = __sysinfo;
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td->next = td->prev = td;
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+#ifdef BOOTSTRAP
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+ g_pthread = td;
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+#endif
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return 0;
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}
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