diff options
Diffstat (limited to 'linuxthreads/sysdeps/i386/tls.h')
| -rw-r--r-- | linuxthreads/sysdeps/i386/tls.h | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/linuxthreads/sysdeps/i386/tls.h b/linuxthreads/sysdeps/i386/tls.h index c1bfd1bca8..44f947c9c6 100644 --- a/linuxthreads/sysdeps/i386/tls.h +++ b/linuxthreads/sysdeps/i386/tls.h @@ -20,9 +20,10 @@ #ifndef _TLS_H #define _TLS_H -#include <stddef.h> +# include <pt-machine.h> -#include <pt-machine.h> +#ifndef ASSEMBLER +# include <stddef.h> /* Type for the dtv. */ typedef union dtv @@ -39,56 +40,58 @@ typedef struct dtv_t *dtv; void *self; /* Pointer to the thread descriptor. */ } tcbhead_t; +#endif /* We can support TLS only if the floating-stack support is available. */ #if defined FLOATING_STACKS && defined HAVE_TLS_SUPPORT -/* Get system call information. */ -# include <sysdep.h> - /* Signal that TLS support is available. */ # define USE_TLS 1 +# ifndef ASSEMBLER +/* Get system call information. */ +# include <sysdep.h> + /* Get the thread descriptor definition. */ -# include <linuxthreads/descr.h> +# include <linuxthreads/descr.h> /* This is the size of the initial TCB. */ -# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t) +# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t) /* Alignment requirements for the initial TCB. */ -# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t) +# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t) /* This is the size of the TCB. */ -# define TLS_TCB_SIZE sizeof (struct _pthread_descr_struct) +# define TLS_TCB_SIZE sizeof (struct _pthread_descr_struct) /* Alignment requirements for the TCB. */ -# define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct) +# define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct) /* The TCB can have any size and the memory following the address the thread pointer points to is unspecified. Allocate the TCB there. */ -# define TLS_TCB_AT_TP 1 +# define TLS_TCB_AT_TP 1 /* Install the dtv pointer. The pointer passed is to the element with index -1 which contain the length. */ -# define INSTALL_DTV(descr, dtvp) \ +# define INSTALL_DTV(descr, dtvp) \ ((tcbhead_t *) descr)->dtv = dtvp + 1 /* Install new dtv for current thread. */ -# define INSTALL_NEW_DTV(dtv) \ +# define INSTALL_NEW_DTV(dtv) \ ({ struct _pthread_descr_struct *__descr; \ THREAD_SETMEM (__descr, p_header.data.dtvp, dtv); }) /* Return dtv of given thread descriptor. */ -# define GET_DTV(descr) \ +# define GET_DTV(descr) \ (((tcbhead_t *) descr)->dtv) /* Code to initially initialize the thread pointer. This might need special attention since 'errno' is not yet available and if the operation can cause a failure 'errno' must not be touched. */ -# define TLS_INIT_TP(descr) \ +# define TLS_INIT_TP(descr) \ do { \ void *_descr = (descr); \ struct modify_ldt_ldt_s ldt_entry = \ @@ -116,10 +119,11 @@ typedef struct /* Return the address of the dtv for the current thread. */ -# define THREAD_DTV() \ +# define THREAD_DTV() \ ({ struct _pthread_descr_struct *__descr; \ THREAD_GETMEM (__descr, p_header.data.dtvp); }) -#endif /* FLOATING_STACKS && HAVE_TLS_SUPPORT */ +# endif /* FLOATING_STACKS && HAVE_TLS_SUPPORT */ +#endif /* __ASSEMBLER__ */ #endif /* tls.h */ |