diff options
Diffstat (limited to 'nptl/sysdeps/i386/tls.h')
| -rw-r--r-- | nptl/sysdeps/i386/tls.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h index 9f4b89f7aa..3d535be083 100644 --- a/nptl/sysdeps/i386/tls.h +++ b/nptl/sysdeps/i386/tls.h @@ -43,6 +43,7 @@ typedef struct void *self; /* Pointer to the thread descriptor. */ list_t list; int multiple_threads; + uintptr_t sysinfo; } tcbhead_t; #endif @@ -62,6 +63,11 @@ typedef struct /* Offset of the MULTIPLE_THREADS element in tcbhead_t. */ #define MULTIPLE_THREADS_OFFSET 20 +#ifdef NEED_DL_SYSINFO +/* Offset of the SYSINFO element in tcbhead_t. */ +# define SYSINFO_OFFSET 24 +#endif + #ifndef __ASSEMBLER__ /* Get system call information. */ @@ -160,6 +166,13 @@ union user_desc_init # define TLS_LOAD_EBX # endif +#if defined NEED_DL_SYSINFO && defined SHARED +# define INIT_SYSINFO \ + _head->sysinfo = GL(dl_sysinfo) +#else +# define INIT_SYSINFO +#endif + /* 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. */ @@ -172,6 +185,8 @@ union user_desc_init _head->tcb = _thrdescr; \ /* For now the thread descriptor is at the same address. */ \ _head->self = _thrdescr; \ + /* New syscall handling support. */ \ + INIT_SYSINFO; \ \ /* The 'entry_number' field. Let the kernel pick a value. */ \ if (secondcall) \ |