Add thread-local storage support for arm:
- Switch to Variant I TCB layout - Use function from rtld for TCB allocation/deallocation
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=231619
@ -37,14 +37,17 @@ _tcb_ctor(struct pthread *thread, int initial)
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{
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struct tcb *tcb;
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tcb = malloc(sizeof(struct tcb));
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tcb = _rtld_allocate_tls((initial) ? _tcb_get() : NULL,
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sizeof(struct tcb), 16);
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if (tcb)
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tcb->tcb_thread = thread;
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return (tcb);
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}
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void
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_tcb_dtor(struct tcb *tcb)
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{
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free(tcb);
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_rtld_free_tls(tcb, sizeof(struct tcb), 16);
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}
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@ -43,10 +43,8 @@
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* Variant II tcb, first two members are required by rtld.
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*/
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struct tcb {
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struct tcb *tcb_self; /* required by rtld */
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void *tcb_dtv; /* required by rtld */
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struct pthread *tcb_thread; /* our hook */
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void *tcb_spare[1];
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};
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/*
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