Index: libpthread/pthread/pt-create.c =================================================================== RCS file: /cvsroot/hurd/hurd/libpthread/pthread/pt-create.c,v retrieving revision 1.4 diff -u -p -r1.4 pt-create.c --- libpthread/pthread/pt-create.c 4 May 2005 16:04:06 -0000 1.4 +++ libpthread/pthread/pt-create.c 13 Jul 2007 01:43:42 -0000 @@ -127,6 +127,15 @@ if (err) goto failed_thread_alloc; + if (_dl_allocate_tls) { + pthread->tcb = _dl_allocate_tls (NULL); + if (!pthread->tcb) + goto failed_thread_tls_alloc; + pthread->tcb->tcb = pthread->tcb; + } else { + pthread->tcb = NULL; + } + /* And initialize the rest of the machine context. This may include additional machine- and system-specific initializations that prove convenient. */ @@ -192,6 +201,9 @@ failed_sigstate: __pthread_sigstate_destroy (pthread); failed_setup: + if (_dl_deallocate_tls && pthread->tcb) + _dl_deallocate_tls (pthread->tcb, 1); + failed_thread_tls_alloc: __pthread_thread_dealloc (pthread); __pthread_thread_halt (pthread, 0); failed_thread_alloc: Index: libpthread/pthread/pt-exit.c =================================================================== RCS file: /cvsroot/hurd/hurd/libpthread/pthread/pt-exit.c,v retrieving revision 1.2 --- libpthread/pthread/pt-exit.c 4 May 2005 16:04:06 -0000 1.2 +++ libpthread/pthread/pt-exit.c 13 Jul 2007 01:43:42 -0000 @@ -70,6 +70,8 @@ if (self->cancel_state == PTHREAD_CANCEL_ENABLE && self->cancel_pending) status = PTHREAD_CANCELED; + if (_dl_deallocate_tls && self->tcb) + _dl_deallocate_tls (self->tcb, 1); __pthread_thread_dealloc (self); switch (self->state) Index: libpthread/pthread/pt-initialize.c =================================================================== RCS file: /cvsroot/hurd/hurd/libpthread/pthread/pt-initialize.c,v retrieving revision 1.1 --- libpthread/pthread/pt-initialize.c 10 Oct 2002 23:05:06 -0000 1.1 +++ libpthread/pthread/pt-initialize.c 13 Jul 2007 01:43:42 -0000 @@ -31,3 +31,15 @@ { RUN_HOOK (__pthread_init, ()); } + +void +__pthread_initialize_minimal (void) +{ +#ifndef PIC + if (__libc_setup_tls) { + __libc_setup_tls (sizeof(tcbhead_t), __alignof__(tcbhead_t)); + + asm volatile (""); + } +#endif +} Index: libpthread/pthread/pt-internal.h =================================================================== RCS file: /cvsroot/hurd/hurd/libpthread/pthread/pt-internal.h,v retrieving revision 1.4 --- libpthread/pthread/pt-internal.h 4 Mar 2007 00:05:21 -0000 1.4 +++ libpthread/pthread/pt-internal.h 13 Jul 2007 01:43:42 -0000 @@ -50,6 +50,14 @@ # define PTHREAD_SYSDEP_MEMBERS #endif +/* Type of the TCB. */ +typedef struct +{ + void *tcb; /* Points to this structure. */ + void *dtv; /* Vector of pointers to TLS data. */ + thread_t self; /* This thread's control port. */ +} tcbhead_t; + /* This structure describes a POSIX thread. */ struct __pthread { @@ -85,6 +93,8 @@ PTHREAD_SYSDEP_MEMBERS + tcbhead_t *tcb; + struct __pthread *next, **prevp; }; @@ -272,4 +282,21 @@ /* Default condition attributes. */ const struct __pthread_condattr __pthread_default_condattr; + +/* From glibc. */ +#ifdef __i386__ +#define libc_internal_function __attribute__ ((regparm (3), stdcall)) +#else +#define libc_internal_function +#endif + +/* Dynamic linker TLS allocation. */ +extern void *_dl_allocate_tls(void *) libc_internal_function __attribute__((weak)); + +/* Dynamic linker TLS deallocation. */ +extern void _dl_deallocate_tls(void *, int) libc_internal_function __attribute__((weak)); + +/* Static TLS setup. */ +extern void __libc_setup_tls(size_t, size_t) __attribute__((weak)); + #endif /* pt-internal.h */ Index: libpthread/sysdeps/mach/hurd/pt-docancel.c =================================================================== RCS file: /cvsroot/hurd/hurd/libpthread/sysdeps/mach/hurd/pt-docancel.c,v retrieving revision 1.2 --- libpthread/sysdeps/mach/hurd/pt-docancel.c 18 Nov 2002 22:20:58 -0000 1.2 +++ libpthread/sysdeps/mach/hurd/pt-docancel.c 13 Jul 2007 01:43:43 -0000 @@ -52,8 +52,8 @@ err = __thread_abort (p->kernel_thread); assert_perror (err); - err = __thread_set_pcsp (p->kernel_thread, - 1, (void *) call_exit, 0, 0); + err = __thread_set_pcsptp (p->kernel_thread, + 1, (void *) call_exit, 0, 0, 0, 0); assert_perror (err); err = __thread_resume (p->kernel_thread); Index: libpthread/sysdeps/mach/hurd/pt-sysdep.h =================================================================== RCS file: /cvsroot/hurd/hurd/libpthread/sysdeps/mach/hurd/pt-sysdep.h,v retrieving revision 1.3 --- libpthread/sysdeps/mach/hurd/pt-sysdep.h 18 Jan 2005 10:08:52 -0000 1.3 +++ libpthread/sysdeps/mach/hurd/pt-sysdep.h 13 Jul 2007 01:43:43 -0000 @@ -59,11 +59,13 @@ __vm_deallocate (__mach_task_self (), (vm_offset_t) stackaddr, stacksize); } -/* Change thread THREAD's program counter to PC if SET_PC is true and - its stack pointer to SP if SET_IP is true. */ -extern int __thread_set_pcsp (thread_t thread, +/* Change thread THREAD's program counter to PC if SET_PC is true, + its stack pointer to SP if SET_IP is true, and its thread pointer + to TP if SET_TP is true. */ +extern int __thread_set_pcsptp (thread_t thread, int set_pc, void *pc, - int set_sp, void *sp); + int set_sp, void *sp, + int set_tp, void *tp); #endif /* pt-sysdep.h */ Index: libpthread/sysdeps/mach/hurd/i386/pt-machdep.c =================================================================== RCS file: /cvsroot/hurd/hurd/libpthread/sysdeps/mach/hurd/i386/pt-machdep.c,v retrieving revision 1.1 --- libpthread/sysdeps/mach/hurd/i386/pt-machdep.c 10 Oct 2002 23:05:05 -0000 1.1 +++ libpthread/sysdeps/mach/hurd/i386/pt-machdep.c 13 Jul 2007 01:43:43 -0000 @@ -21,12 +21,28 @@ #include #include +#include +#include #include +#define HURD_TLS_DESC_DECL(desc, tcb) \ + struct descriptor desc = \ + { /* low word: */ \ + 0xffff /* limit 0..15 */ \ + | (((unsigned int) (tcb)) << 16) /* base 0..15 */ \ + , /* high word: */ \ + ((((unsigned int) (tcb)) >> 16) & 0xff) /* base 16..23 */ \ + | ((0x12 | 0x60 | 0x80) << 8) /* access = ACC_DATA_W|ACC_PL_U|ACC_P */ \ + | (0xf << 16) /* limit 16..19 */ \ + | ((4 | 8) << 20) /* granularity = SZ_32|SZ_G */ \ + | (((unsigned int) (tcb)) & 0xff000000) /* base 24..31 */ \ + } + int -__thread_set_pcsp (thread_t thread, +__thread_set_pcsptp (thread_t thread, int set_ip, void *ip, - int set_sp, void *sp) + int set_sp, void *sp, + int set_tp, void *tp) { error_t err; struct i386_thread_state state; @@ -34,7 +50,7 @@ state_count = i386_THREAD_STATE_COUNT; - err = __thread_get_state (thread, i386_THREAD_STATE, + err = __thread_get_state (thread, i386_REGS_SEGS_STATE, (thread_state_t) &state, &state_count); if (err) return err; @@ -43,8 +59,21 @@ state.uesp = (unsigned int) sp; if (set_ip) state.eip = (unsigned int) ip; + if (set_tp) { + HURD_TLS_DESC_DECL(desc, tp); + int sel; + + asm ("mov %%gs, %w0" : "=q" (sel) : "0" (0)); + if (__builtin_expect (sel, 0x48) & 4) /* LDT selector */ + err = __i386_set_ldt (thread, sel, &desc, 1); + else + err = __i386_set_gdt (thread, &sel, desc); + if (err) + return err; + state.gs = sel; + } - err = __thread_set_state (thread, i386_THREAD_STATE, + err = __thread_set_state (thread, i386_REGS_SEGS_STATE, (thread_state_t) &state, i386_THREAD_STATE_COUNT); if (err) Index: libpthread/sysdeps/mach/hurd/i386/pt-setup.c =================================================================== RCS file: /cvsroot/hurd/hurd/libpthread/sysdeps/mach/hurd/i386/pt-setup.c,v retrieving revision 1.4 --- libpthread/sysdeps/mach/hurd/i386/pt-setup.c 12 May 2005 20:55:37 -0000 1.4 +++ libpthread/sysdeps/mach/hurd/i386/pt-setup.c 13 Jul 2007 01:43:43 -0000 @@ -89,12 +89,16 @@ thread->mcontext.pc = entry_point; thread->mcontext.sp = stack_setup (thread, start_routine, arg); + if (thread->tcb) + thread->tcb->self = thread->kernel_thread; + ktid = __mach_thread_self (); if (thread->kernel_thread != ktid) { - err = __thread_set_pcsp (thread->kernel_thread, + err = __thread_set_pcsptp (thread->kernel_thread, 1, thread->mcontext.pc, - 1, thread->mcontext.sp); + 1, thread->mcontext.sp, + 1, thread->tcb); assert_perror (err); } __mach_port_deallocate (__mach_task_self (), ktid); Index: libthreads/cprocs.c =================================================================== RCS file: /cvsroot/hurd/hurd/libthreads/cprocs.c,v retrieving revision 1.17 --- libthreads/cprocs.c 29 May 2002 00:01:24 -0000 1.17 +++ libthreads/cprocs.c 13 Jul 2007 01:43:43 -0000 @@ -725,15 +725,20 @@ extern void cproc_prepare(); extern void cthread_body(); thread_t n; + tcbhead_t *tcb; alloc_stack(child); + if (_dl_allocate_tls) + tcb = _dl_allocate_tls(NULL); + else + tcb = NULL; spin_lock(&n_kern_lock); if (cthread_max_kernel_threads == 0 || cthread_kernel_threads < cthread_max_kernel_threads) { cthread_kernel_threads++; spin_unlock(&n_kern_lock); MACH_CALL(thread_create(mach_task_self(), &n), r); - cproc_setup(child, n, cthread_body); /* machine dependent */ + cproc_setup(child, n, tcb, cthread_body); /* machine dependent */ MACH_CALL(thread_resume(n), r); #ifdef STATISTICS spin_lock(&ready_lock); Index: libthreads/cthread_internals.h =================================================================== RCS file: /cvsroot/hurd/hurd/libthreads/cthread_internals.h,v retrieving revision 1.7 --- libthreads/cthread_internals.h 14 Jun 2007 17:24:13 -0000 1.7 +++ libthreads/cthread_internals.h 13 Jul 2007 01:43:43 -0000 @@ -166,6 +166,14 @@ # endif #endif +/* Type of the TCB. */ +typedef struct +{ + void *tcb; /* Points to this structure. */ + void *dtv; /* Vector of pointers to TLS data. */ + thread_t self; /* This thread's control port. */ +} tcbhead_t; + /* * Low-level thread implementation. * This structure must agree with struct ur_cthread in cthreads.h @@ -312,4 +320,18 @@ void (*cthread_body_pc)()); extern void cproc_setup(cproc_t _child, thread_t _mach_thread, - void (*_routine)(cproc_t)); + tcbhead_t *tcb, void (*_routine)(cproc_t)); + + +/* From glibc. */ +#ifdef __i386__ +#define libc_internal_function __attribute__ ((regparm (3), stdcall)) +#else +#define libc_internal_function +#endif + +/* Dynamic linker TLS allocation. */ +extern void *_dl_allocate_tls(void *) libc_internal_function __attribute__((weak)); + +/* Dynamic linker TLS deallocation. */ +extern void _dl_deallocate_tls(void *, int) libc_internal_function __attribute__((weak)); Index: libthreads/alpha/thread.c =================================================================== RCS file: /cvsroot/hurd/hurd/libthreads/alpha/thread.c,v retrieving revision 1.2 diff -u -p -r1.2 thread.c --- libthreads/alpha/thread.c 27 May 2002 02:50:13 -0000 1.2 +++ libthreads/alpha/thread.c 13 Jul 2007 01:43:43 -0000 @@ -74,6 +74,7 @@ cproc_setup( register cproc_t child, thread_t thread, + tcbhead_t *tcb, /* TODO */ void (*routine)(cproc_t)) { register integer_t *top; Index: libthreads/i386/thread.c =================================================================== RCS file: /cvsroot/hurd/hurd/libthreads/i386/thread.c,v retrieving revision 1.7 --- libthreads/i386/thread.c 27 May 2002 02:50:10 -0000 1.7 +++ libthreads/i386/thread.c 13 Jul 2007 01:43:43 -0000 @@ -75,6 +75,21 @@ #include #include "cthread_internals.h" #include +#include +#include + +#define HURD_TLS_DESC_DECL(desc, tcb) \ + struct descriptor desc = \ + { /* low word: */ \ + 0xffff /* limit 0..15 */ \ + | (((unsigned int) (tcb)) << 16) /* base 0..15 */ \ + , /* high word: */ \ + ((((unsigned int) (tcb)) >> 16) & 0xff) /* base 16..23 */ \ + | ((0x12 | 0x60 | 0x80) << 8) /* access = ACC_DATA_W|ACC_PL_U|ACC_P */ \ + | (0xf << 16) /* limit 16..19 */ \ + | ((4 | 8) << 20) /* granularity = SZ_32|SZ_G */ \ + | (((unsigned int) (tcb)) & 0xff000000) /* base 24..31 */ \ + } /* * Set up the initial state of a MACH thread @@ -82,7 +97,7 @@ * when it is resumed. */ void -cproc_setup(register cproc_t child, thread_t thread, void (*routine)(cproc_t)) +cproc_setup(register cproc_t child, thread_t thread, tcbhead_t *tcb, void (*routine)(cproc_t)) { extern unsigned int __hurd_threadvar_max; /* GNU */ register int *top = (int *) @@ -101,7 +116,7 @@ * Read registers first to get correct segment values. */ count = i386_THREAD_STATE_COUNT; - MACH_CALL(thread_get_state(thread,i386_THREAD_STATE,(thread_state_t) &state,&count),r); + MACH_CALL(thread_get_state(thread,i386_REGS_SEGS_STATE,(thread_state_t) &state,&count),r); ts->eip = (int) routine; *--top = (int) child; /* argument to function */ @@ -109,7 +124,21 @@ ts->uesp = (int) top; /* set stack pointer */ ts->ebp = 0; /* clear frame pointer */ - MACH_CALL(thread_set_state(thread,i386_THREAD_STATE,(thread_state_t) &state,i386_THREAD_STATE_COUNT),r); + if (tcb) { + HURD_TLS_DESC_DECL(desc, tcb); + int sel; + + asm ("mov %%gs, %w0" : "=q" (sel) : "0" (0)); + tcb->tcb = tcb; + tcb->self = thread; + if (__builtin_expect (sel, 0x48) & 4) /* LDT selector */ + __i386_set_ldt (thread, sel, &desc, 1); + else + __i386_set_gdt (thread, &sel, desc); + ts->gs = sel; + } + + MACH_CALL(thread_set_state(thread,i386_REGS_SEGS_STATE,(thread_state_t) &state,i386_THREAD_STATE_COUNT),r); } #if defined(cthread_sp)