From 117c452c9845cc19e7d947844d09c6b45a3413b7 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 27 Nov 2002 07:09:18 +0000 Subject: Update. * sysdeps/i386/tls.h (THREAD_GETMEM_NC): Change interface. It now takes the array member name and the index as parameters. (THREAD_SETMEM_NC): Likewise. * pthread_getspecific.c: Use new THREAD_GETMEM_NC interface. * pthread_setspecific.c: Use new THREAD_GETMEM_NC and THREAD_SETMEM_NC interfaces. * sysdeps/i386/tls.h (THREAD_SETMEM): Use size of member element to decide which code to use. (THREAD_SETMEM_NC): Likewise. --- nptl/sysdeps/i386/tls.h | 54 ++++++++++++++++++++++++++----------------------- 1 file changed, 29 insertions(+), 25 deletions(-) (limited to 'nptl/sysdeps/i386/tls.h') diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h index 244a487bcb..4c3a73effc 100644 --- a/nptl/sysdeps/i386/tls.h +++ b/nptl/sysdeps/i386/tls.h @@ -1,4 +1,4 @@ -/* Definition for thread-local data handling. linuxthreads/i386 version. +/* Definition for thread-local data handling. nptl/i386 version. Copyright (C) 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -253,16 +253,17 @@ union user_desc_init /* Same as THREAD_GETMEM, but the member offset can be non-constant. */ -# define THREAD_GETMEM_NC(descr, member) \ - ({ __typeof (descr->member) __value; \ +# define THREAD_GETMEM_NC(descr, member, idx) \ + ({ __typeof (descr->member[0]) __value; \ if (sizeof (__value) == 1) \ - asm ("movb %%gs:(%2),%b0" \ + asm ("movb %%gs:%P2(%3),%b0" \ : "=q" (__value) \ - : "0" (0), "r" (offsetof (struct pthread, member))); \ + : "0" (0), "i" (offsetof (struct pthread, member[0])), \ + "r" (idx)); \ else if (sizeof (__value) == 4) \ - asm ("movl %%gs:(%1),%0" \ + asm ("movl %%gs:%P1(,%2,4),%0" \ : "=r" (__value) \ - : "r" (offsetof (struct pthread, member))); \ + : "i" (offsetof (struct pthread, member[0])), "r" (idx)); \ else \ { \ if (sizeof (__value) != 8) \ @@ -270,32 +271,32 @@ union user_desc_init 4 or 8. */ \ abort (); \ \ - asm ("movl %%gs:(%1),%%eax\n\t" \ - "movl %%gs:4(%1),%%edx" \ + asm ("movl %%gs:%P1(,%2,8),%%eax\n\t" \ + "movl %%gs:4+%P1(,%2,8),%%edx" \ : "=&A" (__value) \ - : "r" (offsetof (struct pthread, member))); \ + : "i" (offsetof (struct pthread, member[0])), "r" (idx)); \ } \ __value; }) /* Same as THREAD_SETMEM, but the member offset can be non-constant. */ # define THREAD_SETMEM(descr, member, value) \ - ({ if (sizeof (value) == 1) \ + ({ if (sizeof (descr->member) == 1) \ asm volatile ("movb %0,%%gs:%P1" : \ : "iq" (value), \ "i" (offsetof (struct pthread, member))); \ - else if (sizeof (value) == 4) \ + else if (sizeof (descr->member) == 4) \ asm volatile ("movl %0,%%gs:%P1" : \ : "ir" (value), \ "i" (offsetof (struct pthread, member))); \ else \ { \ - if (sizeof (value) != 8) \ + if (sizeof (descr->member) != 8) \ /* There should not be any value with a size other than 1, \ 4 or 8. */ \ abort (); \ \ - asm volatile ("movl %%eax,%%gs:%P1\n\n" \ + asm volatile ("movl %%eax,%%gs:%P1\n\t" \ "movl %%edx,%%gs:%P2" : \ : "A" (value), \ "i" (offsetof (struct pthread, member)), \ @@ -304,26 +305,29 @@ union user_desc_init /* Set member of the thread descriptor directly. */ -# define THREAD_SETMEM_NC(descr, member, value) \ - ({ if (sizeof (value) == 1) \ - asm volatile ("movb %0,%%gs:(%1)" : \ +# define THREAD_SETMEM_NC(descr, member, idx, value) \ + ({ if (sizeof (descr->member[0]) == 1) \ + asm volatile ("movb %0,%%gs:%P1(%2)" : \ : "iq" (value), \ - "r" (offsetof (struct pthread, member))); \ - else if (sizeof (value) == 4) \ - asm volatile ("movl %0,%%gs:(%1)" : \ + "i" (offsetof (struct pthread, member)), \ + "r" (idx)); \ + else if (sizeof (descr->member[0]) == 4) \ + asm volatile ("movl %0,%%gs:%P1(,%2,4)" : \ : "ir" (value), \ - "r" (offsetof (struct pthread, member))); \ + "i" (offsetof (struct pthread, member)), \ + "r" (idx)); \ else \ { \ - if (sizeof (value) != 8) \ + if (sizeof (descr->member[0]) != 8) \ /* There should not be any value with a size other than 1, \ 4 or 8. */ \ abort (); \ \ - asm volatile ("movl %%eax,%%gs:(%1)\n\t" \ - "movl %%edx,%%gs:4(%1)" : \ + asm volatile ("movl %%eax,%%gs:%P1(,%2,8)\n\t" \ + "movl %%edx,%%gs:4+%P1(,%2,8)" : \ : "A" (value), \ - "r" (offsetof (struct pthread, member))); \ + "i" (offsetof (struct pthread, member)), \ + "r" (idx)); \ }}) -- cgit 1.4.1