Author: gonzo
Date: Tue Feb 14 00:17:43 2012
New Revision: 231619
URL: http://svn.freebsd.org/changeset/base/231619
Log:
Add thread-local storage support for arm:
- Switch to Variant I TCB layout
- Use function from rtld for TCB allocation/deallocation
Modified:
head/lib/libthr/arch/arm/arm/pthread_md.c
head/lib/libthr/arch/arm/include/pthread_md.h
Modified: head/lib/libthr/arch/arm/arm/pthread_md.c
==============================================================================
--- head/lib/libthr/arch/arm/arm/pthread_md.c Tue Feb 14 00:16:34 2012
(r231618)
+++ head/lib/libthr/arch/arm/arm/pthread_md.c Tue Feb 14 00:17:43 2012
(r231619)
@@ -37,14 +37,17 @@ _tcb_ctor(struct pthread *thread, int in
{
struct tcb *tcb;
- tcb = malloc(sizeof(struct tcb));
+ tcb = _rtld_allocate_tls((initial) ? _tcb_get() : NULL,
+ sizeof(struct tcb), 16);
if (tcb)
tcb->tcb_thread = thread;
+
return (tcb);
}
void
_tcb_dtor(struct tcb *tcb)
{
- free(tcb);
+
+ _rtld_free_tls(tcb, sizeof(struct tcb), 16);
}
Modified: head/lib/libthr/arch/arm/include/pthread_md.h
==============================================================================
--- head/lib/libthr/arch/arm/include/pthread_md.h Tue Feb 14 00:16:34
2012 (r231618)
+++ head/lib/libthr/arch/arm/include/pthread_md.h Tue Feb 14 00:17:43
2012 (r231619)
@@ -43,10 +43,8 @@
* Variant II tcb, first two members are required by rtld.
*/
struct tcb {
- struct tcb *tcb_self; /* required by rtld */
void *tcb_dtv; /* required by rtld */
struct pthread *tcb_thread; /* our hook */
- void *tcb_spare[1];
};
/*
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