51 lines
1.6 KiB
Diff
51 lines
1.6 KiB
Diff
# SPDX-FileCopyrightText: 2023 Richard Masters <grick23@gmail.com>
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# SPDX-License-Identifier: MIT
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diff -r -u musl-1.2.3.orig/arch/i386/pthread_arch.h musl-1.2.3/arch/i386/pthread_arch.h
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--- arch/i386/pthread_arch.h 2022-04-07 17:12:40.000000000 +0000
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+++ arch/i386/pthread_arch.h 2023-04-07 12:07:07.929132587 +0000
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@@ -1,8 +1,7 @@
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+extern uintptr_t g_pthread;
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static inline uintptr_t __get_tp()
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{
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- uintptr_t tp;
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- __asm__ ("movl %%gs:0,%0" : "=r" (tp) );
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- return tp;
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+ return g_pthread;
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}
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#define MC_PC gregs[REG_EIP]
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diff -r -u musl-1.2.3.orig/arch/i386/syscall_arch.h musl-1.2.3/arch/i386/syscall_arch.h
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--- arch/i386/syscall_arch.h 2022-04-07 17:12:40.000000000 +0000
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+++ arch/i386/syscall_arch.h 2022-12-20 17:28:21.734839560 +0000
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@@ -1,3 +1,4 @@
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+#define SYSCALL_NO_TLS 1
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#define __SYSCALL_LL_E(x) \
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((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
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((union { long long ll; long l[2]; }){ .ll = x }).l[1]
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diff -r -u musl-1.2.3.orig/src/env/__init_tls.c musl-1.2.3/src/env/__init_tls.c
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--- src/env/__init_tls.c 2022-04-07 17:12:40.000000000 +0000
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+++ src/env/__init_tls.c 2023-04-07 12:07:38.677133193 +0000
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@@ -10,20 +10,19 @@
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#include "syscall.h"
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volatile int __thread_list_lock;
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+uintptr_t g_pthread;
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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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- 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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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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+ g_pthread = (uintptr_t) td;
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return 0;
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}
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