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* elf/tst-tlsmod4.c (in_dso): Insert a random library call before use

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of the TLS macros, otherwise the compiler might not have initialized
	the PIC register yet when we use the PLT via asm.
	* elf/tst-tlsmod3.c (in_dso2): Likewise.
	* elf/tst-tlsmod2.c (in_dso): Likewise.
This commit is contained in:
Roland McGrath 2002-08-12 06:25:47 +00:00
parent 7a8bdff02c
commit e6f526809d
7 changed files with 35 additions and 6 deletions
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6
ChangeLog
View File

@ -1,5 +1,11 @@
2002-08-11 Roland McGrath <roland@redhat.com>
* elf/tst-tlsmod4.c (in_dso): Insert a random library call before use
of the TLS macros, otherwise the compiler might not have initialized
the PIC register yet when we use the PLT via asm.
* elf/tst-tlsmod3.c (in_dso2): Likewise.
* elf/tst-tlsmod2.c (in_dso): Likewise.
* sunrpc/svc_authux.c (_svcauth_unix): Remove spurious printf (ugh!).
* sysdeps/i386/bits/byteswap.h (__bswap_16, __bswap_32, __bswap_64):

6
elf/tst-tlsmod2.c
View File

@ -12,9 +12,13 @@ COMMON_INT_DEF(foo);
int
in_dso (int n, int *caller_foop)
{
int *foop = TLS_GD (foo);
int *foop;
int result = 0;
puts ("foo"); /* Make sure PLT is used before macros. */
foop = TLS_GD (foo);
if (caller_foop != NULL && foop != caller_foop)
{
printf ("callers address of foo differs: %p vs %p\n", caller_foop, foop);

9
elf/tst-tlsmod3.c
View File

@ -15,10 +15,15 @@ COMMON_INT_DEF(comm_n);
int
in_dso2 (void)
{
int *foop = TLS_GD (foo);
int *foop;
int result = 0;
static int n;
int *np = TLS_GD (comm_n);
int *np;
puts ("foo"); /* Make sure PLT is used before macros. */
foop = TLS_GD (foo);
np = TLS_GD (comm_n);
if (n != *np)
{

6
elf/tst-tlsmod4.c
View File

@ -12,9 +12,13 @@ COMMON_INT_DEF(baz);
int
in_dso (int n, int *caller_bazp)
{
int *bazp = TLS_GD (baz);
int *bazp;
int result = 0;
puts ("foo"); /* Make sure PLT is used before macros. */
bazp = TLS_GD (baz);
if (caller_bazp != NULL && bazp != caller_bazp)
{
printf ("callers address of baz differs: %p vs %p\n", caller_bazp, bazp);

10
linuxthreads/ChangeLog
View File

@ -1,3 +1,13 @@
2002-08-11 Roland McGrath <roland@redhat.com>
* pthread.c (__pthread_initialize_manager): Initialize
p_header.data.tcb field of manager thread's descriptor.
(__pthread_initialize_minimal): Don't initialize p_header.data.self
field, already done by TLS_INIT_TP.
* manager.c (pthread_handle_create): Move p_header field initializers
together.
2002-08-08 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/tls.h (TLS_DO_SET_THREAD_AREA): Removed.

2
linuxthreads/manager.c
View File

@ -644,6 +644,7 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr,
/* Initialize the thread descriptor. Elements which have to be
initialized to zero already have this value. */
new_thread->p_header.data.tcb = new_thread;
new_thread->p_header.data.self = new_thread;
new_thread->p_tid = new_thread_id;
new_thread->p_lock = &(__pthread_handles[sseg].h_lock);
new_thread->p_cancelstate = PTHREAD_CANCEL_ENABLE;
@ -655,7 +656,6 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr,
#endif
new_thread->p_guardaddr = guardaddr;
new_thread->p_guardsize = guardsize;
new_thread->p_header.data.self = new_thread;
new_thread->p_nr = sseg;
new_thread->p_inheritsched = attr ? attr->__inheritsched : 0;
/* Initialize the thread handle */

2
linuxthreads/pthread.c
View File

@ -429,7 +429,6 @@ __pthread_initialize_minimal(void)
part of the TLS allocation. We have to initialize the data
structure by hand. This initialization must mirror the struct
definition above. */
self->p_header.data.self = self;
self->p_nextlive = self->p_prevlive = self;
self->p_tid = PTHREAD_THREADS_MAX;
self->p_lock = &__pthread_handles[0].h_lock;
@ -633,6 +632,7 @@ int __pthread_initialize_manager(void)
}
/* Initialize the descriptor. */
tcb->p_header.data.tcb = tcb;
tcb->p_header.data.self = tcb;
tcb->p_lock = &__pthread_handles[1].h_lock;
# ifndef HAVE___THREAD