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glibc  2.9
Classes | Defines | Typedefs
tls.h File Reference
#include <dl-sysdep.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <list.h>
#include <sysdep.h>
#include <kernel-features.h>
#include <nptl/descr.h>

Go to the source code of this file.

Classes

union  dtv
struct  tcbhead_t
struct  dtv.pointer

Defines

#define TLS_MULTIPLE_THREADS_IN_TCB   1
#define TLS_INIT_TCB_SIZE   sizeof (tcbhead_t)
#define TLS_INIT_TCB_ALIGN   __alignof__ (tcbhead_t)
#define TLS_TCB_SIZE   sizeof (tcbhead_t)
#define TLS_PRE_TCB_SIZE   sizeof (struct pthread)
#define TLS_TCB_ALIGN   __alignof__ (struct pthread)
#define TLS_DTV_AT_TP   1
#define INSTALL_DTV(tcbp, dtvp)   ((tcbhead_t *) (tcbp))->dtv = (dtvp) + 1
#define INSTALL_NEW_DTV(dtv)
#define GET_DTV(tcbp)   (((tcbhead_t *) (tcbp))->dtv)
#define TLS_INIT_TP(tcbp, secondcall)   ({ __asm __volatile ("ldc %0,gbr" : : "r" (tcbp)); 0; })
#define THREAD_DTV()
#define THREAD_SELF
#define DB_THREAD_SELF   REGISTER (32, 32, REG_GBR * 4, -sizeof (struct pthread))
#define THREAD_GETMEM(descr, member)   (descr->member)
#define THREAD_GETMEM_NC(descr, member, idx)   (descr->member[idx])
#define THREAD_SETMEM(descr, member, value)   descr->member = (value)
#define THREAD_SETMEM_NC(descr, member, idx, value)   descr->member[idx] = (value)
#define THREAD_GET_POINTER_GUARD()
#define THREAD_SET_POINTER_GUARD(value)
#define THREAD_COPY_POINTER_GUARD(descr)
#define THREAD_GSCOPE_FLAG_UNUSED   0
#define THREAD_GSCOPE_FLAG_USED   1
#define THREAD_GSCOPE_FLAG_WAIT   2
#define THREAD_GSCOPE_RESET_FLAG()
#define THREAD_GSCOPE_SET_FLAG()
#define THREAD_GSCOPE_WAIT()   GL(dl_wait_lookup_done) ()

Typedefs

typedef union dtv dtv_t

Class Documentation

union dtv

Definition at line 30 of file tls.h.

Class Members
size_t counter
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct dtv pointer
struct tcbhead_t

Definition at line 41 of file tls.h.

Collaboration diagram for tcbhead_t:
Class Members
void * __private
dtv_t * dtv
int gscope_flag
int multiple_threads
uintptr_t pointer_guard
void * private
int private_futex
void * self
uintptr_t stack_guard
uintptr_t sysinfo
void * tcb
unsigned long int vgetcpu_cache
struct dtv.pointer

Definition at line 38 of file tls.h.

Class Members
bool is_static
void * val

Define Documentation

#define DB_THREAD_SELF   REGISTER (32, 32, REG_GBR * 4, -sizeof (struct pthread))

Definition at line 127 of file tls.h.

#define GET_DTV (   tcbp)    (((tcbhead_t *) (tcbp))->dtv)

Definition at line 101 of file tls.h.

#define INSTALL_DTV (   tcbp,
  dtvp 
)    ((tcbhead_t *) (tcbp))->dtv = (dtvp) + 1

Definition at line 91 of file tls.h.

#define INSTALL_NEW_DTV (   dtv)
Value:
({ tcbhead_t *__tcbp;                                                       \
     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));                       \
     __tcbp->dtv = (dtv);})

Definition at line 95 of file tls.h.

#define THREAD_COPY_POINTER_GUARD (   descr)
Value:
({ tcbhead_t *__tcbp;                                                       \
     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));                       \
     ((tcbhead_t *) (descr + 1))->pointer_guard  = __tcbp->pointer_guard;})

Definition at line 152 of file tls.h.

#define THREAD_DTV ( )
Value:
({ tcbhead_t *__tcbp;                                                       \
     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));                       \
     __tcbp->dtv;})

Definition at line 111 of file tls.h.

Value:
({ tcbhead_t *__tcbp;                                                       \
     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));                       \
     __tcbp->pointer_guard;})

Definition at line 144 of file tls.h.

#define THREAD_GETMEM (   descr,
  member 
)    (descr->member)

Definition at line 131 of file tls.h.

#define THREAD_GETMEM_NC (   descr,
  member,
  idx 
)    (descr->member[idx])

Definition at line 134 of file tls.h.

#define THREAD_GSCOPE_FLAG_UNUSED   0

Definition at line 158 of file tls.h.

#define THREAD_GSCOPE_FLAG_USED   1

Definition at line 159 of file tls.h.

#define THREAD_GSCOPE_FLAG_WAIT   2

Definition at line 160 of file tls.h.

Value:
do                                                                  \
    { int __res                                                            \
       = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag,            \
                            THREAD_GSCOPE_FLAG_UNUSED);             \
      if (__res == THREAD_GSCOPE_FLAG_WAIT)                                \
       lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE);   \
    }                                                               \
  while (0)

Definition at line 161 of file tls.h.

Value:
do                                                                  \
    {                                                               \
      THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED;           \
      atomic_write_barrier ();                                             \
    }                                                               \
  while (0)

Definition at line 170 of file tls.h.

#define THREAD_GSCOPE_WAIT ( )    GL(dl_wait_lookup_done) ()

Definition at line 177 of file tls.h.

#define THREAD_SELF
Value:
({ struct pthread *__self;                                           \
     __asm ("stc gbr,%0" : "=r" (__self));                                  \
     __self - 1;})

Definition at line 121 of file tls.h.

Value:
({ tcbhead_t *__tcbp;                                                       \
     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));                       \
     __tcbp->pointer_guard = (value);})

Definition at line 148 of file tls.h.

#define THREAD_SETMEM (   descr,
  member,
  value 
)    descr->member = (value)

Definition at line 137 of file tls.h.

#define THREAD_SETMEM_NC (   descr,
  member,
  idx,
  value 
)    descr->member[idx] = (value)

Definition at line 141 of file tls.h.

#define TLS_DTV_AT_TP   1

Definition at line 84 of file tls.h.

#define TLS_INIT_TCB_ALIGN   __alignof__ (tcbhead_t)

Definition at line 72 of file tls.h.

#define TLS_INIT_TCB_SIZE   sizeof (tcbhead_t)

Definition at line 69 of file tls.h.

#define TLS_INIT_TP (   tcbp,
  secondcall 
)    ({ __asm __volatile ("ldc %0,gbr" : : "r" (tcbp)); 0; })

Definition at line 107 of file tls.h.

Definition at line 51 of file tls.h.

#define TLS_PRE_TCB_SIZE   sizeof (struct pthread)

Definition at line 78 of file tls.h.

#define TLS_TCB_ALIGN   __alignof__ (struct pthread)

Definition at line 81 of file tls.h.

#define TLS_TCB_SIZE   sizeof (tcbhead_t)

Definition at line 75 of file tls.h.


Typedef Documentation

typedef union dtv dtv_t