Update.

2002-04-08  kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* elf/elf.h: Define R_SH_TLS_xxx macros.
	* elf/rtld.c: Remove an extra parenthesis.
	* elf/tls-macros.h: Define SH version TLS_LE, TLS_IE, TLS_LD and
	TLS_GD macros.
	* sysdeps/generic/dl-tls.c: Add a missing semi-colon.
	* sysdeps/sh/dl-lookupcfg.h: New file.
	* sysdeps/sh/dl-tls.h: New file.
	* sysdeps/sh/dl-machine.h (elf_machine_type_class): Set
	ELF_RTYPE_CLASS_PLT also for the three TLS relocations.
	(elf_machine_rela): Handle R_SH_TLS_DTPMOD32, R_SH_TLS_DTPOFF32 and
	R_SH_TLS_TPOFF32 relocations.

5 files changed, 135 insertions, 4 deletions

diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 5f79ed7160..cfcfe4c872 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,10 @@
+2002-04-08  Jakub Jelinek  <jakub@redhat.com>
+
+	* manager.c (__pthread_manager_event): Use self instead of arg
+	for INIT_THREAD_SELF.
+	* sysdeps/i386/useldt.h (INIT_THREAD_SELF): Use sizeof (struct
+	_pthread_descr_struct) instead of sizeof (*descr).
+
 2002-04-05  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/ia64/pt-machine.h: Protect against multiple inclusion.
diff --git a/linuxthreads/manager.c b/linuxthreads/manager.c
index c846895d19..b52f65137f 100644
--- a/linuxthreads/manager.c
+++ b/linuxthreads/manager.c
@@ -244,15 +244,16 @@ __pthread_manager(void *arg)
 
 int __pthread_manager_event(void *arg)
 {
+  pthread_descr self = arg;
   /* If we have special thread_self processing, initialize it.  */
 #ifdef INIT_THREAD_SELF
-  INIT_THREAD_SELF(arg, 1);
+  INIT_THREAD_SELF(self, 1);
 #endif
 
   /* Get the lock the manager will free once all is correctly set up.  */
-  __pthread_lock (THREAD_GETMEM(((pthread_descr) arg), p_lock), NULL);
+  __pthread_lock (THREAD_GETMEM(self, p_lock), NULL);
   /* Free it immediately.  */
-  __pthread_unlock (THREAD_GETMEM(((pthread_descr) arg), p_lock));
+  __pthread_unlock (THREAD_GETMEM(self, p_lock));
 
   return __pthread_manager(arg);
 }
diff --git a/linuxthreads/sysdeps/i386/useldt.h b/linuxthreads/sysdeps/i386/useldt.h
index 02d079c9ef..116e95d042 100644
--- a/linuxthreads/sysdeps/i386/useldt.h
+++ b/linuxthreads/sysdeps/i386/useldt.h
@@ -64,7 +64,8 @@ extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t);
 #define INIT_THREAD_SELF(descr, nr) \
 {									      \
   struct modify_ldt_ldt_s ldt_entry =					      \
-    { nr, (unsigned long int) descr, sizeof (*descr), 1, 0, 0, 0, 0, 1, 0 };  \
+    { nr, (unsigned long int) descr, sizeof (struct _pthread_descr_struct),   \
+      1, 0, 0, 0, 0, 1, 0 };						      \
   if (__modify_ldt (1, &ldt_entry, sizeof (ldt_entry)) != 0)		      \
     abort ();								      \
   __asm__ __volatile__ ("movw %w0, %%gs" : : "q" (nr * 8 + 7));		      \
diff --git a/linuxthreads/sysdeps/sh/pt-machine.h b/linuxthreads/sysdeps/sh/pt-machine.h
index d7030a241d..1d055c0b3d 100644
--- a/linuxthreads/sysdeps/sh/pt-machine.h
+++ b/linuxthreads/sysdeps/sh/pt-machine.h
@@ -45,6 +45,11 @@ testandset (int *spinlock)
   return (ret == 0);
 }
 
+/* We want the OS to assign stack addresses.  */
+#define FLOATING_STACKS 1
+
+/* Maximum size of the stack if the rlimit is unlimited.  */
+#define ARCH_STACK_MAX_SIZE     32*1024*1024
 
 /* Get some notion of the current stack.  Need not be exactly the top
    of the stack, just something somewhere in the current frame.  */
@@ -61,4 +66,10 @@ struct _pthread_descr_struct;
 #define INIT_THREAD_SELF(descr, nr) \
   ({ __asm__ __volatile__("ldc %0,gbr" : : "r" (descr));})
 
+/* Access to data in the thread descriptor is easy.  */
+#define THREAD_GETMEM(descr, member) THREAD_SELF->member
+#define THREAD_GETMEM_NC(descr, member) THREAD_SELF->member
+#define THREAD_SETMEM(descr, member, value) THREAD_SELF->member = (value)
+#define THREAD_SETMEM_NC(descr, member, value) THREAD_SELF->member = (value)
+
 #endif /* pt-machine.h */
diff --git a/linuxthreads/sysdeps/sh/tls.h b/linuxthreads/sysdeps/sh/tls.h
new file mode 100644
index 0000000000..e8cf504387
--- /dev/null
+++ b/linuxthreads/sysdeps/sh/tls.h
@@ -0,0 +1,111 @@
+/* Definition for thread-local data handling.  linuxthreads/SH version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _TLS_H
+#define _TLS_H
+
+#include <stddef.h>
+
+#include <pt-machine.h>
+
+/* Type for the dtv.  */
+typedef union dtv
+{
+  size_t counter;
+  void *pointer;
+} dtv_t;
+
+
+typedef struct
+{
+  void *tcb;		/* Pointer to the TCB.  Not necessary the
+			   thread descriptor used by libpthread.  */
+  dtv_t *dtv;
+  void *self;		/* Pointer to the thread descriptor.  */
+} tcbhead_t;
+
+
+/* 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
+
+
+/* Get the thread descriptor definition.  */
+# include <linuxthreads/descr.h>
+
+/* This is the size of the initial TCB.  */
+# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t)
+
+/* Alignment requirements for the initial TCB.  */
+# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t)
+
+/* This is the size of the TCB.  */
+# define TLS_TCB_SIZE sizeof (struct _pthread_descr_struct)
+
+/* Alignment requirements for the TCB.  */
+# define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct)
+
+/* The TLS blocks start right after the TCB.  */
+# define TLS_DTV_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) \
+  ((tcbhead_t *) descr)->dtv = dtvp + 1
+
+/* Install new dtv for current thread.  */
+# 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) \
+  (((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) \
+  do {									      \
+    void *_descr = (descr);						      \
+    int result;								      \
+    tcbhead_t *head = _descr;						      \
+									      \
+    head->tcb = _descr;							      \
+    /* For now the thread descriptor is at the same address.  */		      \
+    head->self = _descr;						      \
+									      \
+    asm ("ldc %0,gbr" : : "r" (_descr));				      \
+  } while (0)
+
+
+/* Return the address of the dtv for the current thread.  */
+# define THREAD_DTV() \
+  ({ struct _pthread_descr_struct *__descr;				      \
+     THREAD_GETMEM (__descr, p_header.data.dtvp); })
+
+#endif	/* FLOATING_STACKS && HAVE_TLS_SUPPORT */
+
+#endif	/* tls.h */