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-rw-r--r--linuxthreads/sysdeps/sparc/sparc32/pt-machine.h8
-rw-r--r--linuxthreads/sysdeps/sparc/sparc64/pt-machine.h8
-rw-r--r--linuxthreads/sysdeps/sparc/tls.h53
3 files changed, 58 insertions, 11 deletions
diff --git a/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h b/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h
index 2e912332f5..cbfc872df2 100644
--- a/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h
+++ b/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h
@@ -1,6 +1,6 @@
/* Machine-dependent pthreads configuration and inline functions.
sparc version.
- Copyright (C) 1996,1997,1998,2000,2001,2002 Free Software Foundation, Inc.
+ Copyright (C) 1996-1998, 2000-2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>.
@@ -53,10 +53,10 @@ testandset (int *spinlock)
register char *stack_pointer __asm__("%sp");
-/* Registers %g6 and %g7 are reserved by the ABI for "system use". It
- happens that Solaris uses %g6 for the thread pointer -- we do the same. */
+/* Registers %g6 and %g7 are reserved by the ABI for "system use".
+ %g7 is specified in the TLS ABI as thread pointer -- we do the same. */
struct _pthread_descr_struct;
-register struct _pthread_descr_struct *__thread_self __asm__("%g6");
+register struct _pthread_descr_struct *__thread_self __asm__("%g7");
/* Return the thread descriptor for the current thread. */
#define THREAD_SELF __thread_self
diff --git a/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h b/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h
index f32b1feac8..3087020e1b 100644
--- a/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h
+++ b/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h
@@ -1,6 +1,6 @@
/* Machine-dependent pthreads configuration and inline functions.
Sparc v9 version.
- Copyright (C) 1997,1998,1999,2000,2001,2002 Free Software Foundation, Inc.
+ Copyright (C) 1997-2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>.
@@ -59,10 +59,10 @@ testandset (int *spinlock)
register char *stack_pointer __asm__ ("%sp");
-/* Registers %g6 and %g7 are reserved by the ABI for "system use". It
- happens that Solaris uses %g6 for the thread pointer -- we do the same. */
+/* Registers %g6 and %g7 are reserved by the ABI for "system use". The
+ TLS ABI specifies %g7 as the thread pointer. */
struct _pthread_descr_struct;
-register struct _pthread_descr_struct *__thread_self __asm__ ("%g6");
+register struct _pthread_descr_struct *__thread_self __asm__ ("%g7");
/* Return the thread descriptor for the current thread. */
#define THREAD_SELF __thread_self
diff --git a/linuxthreads/sysdeps/sparc/tls.h b/linuxthreads/sysdeps/sparc/tls.h
index 4571922f57..9a9719c48e 100644
--- a/linuxthreads/sysdeps/sparc/tls.h
+++ b/linuxthreads/sysdeps/sparc/tls.h
@@ -1,5 +1,5 @@
/* Definitions for thread-local data handling. linuxthreads/sparc version.
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003 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
@@ -45,9 +45,56 @@ typedef struct
# include <tcb-offsets.h>
#endif /* __ASSEMBLER__ */
-#undef USE_TLS
+#ifdef HAVE_TLS_SUPPORT
-#if USE_TLS
+/* 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>
+
+/* 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 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
+
+/* 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) \
+ (((tcbhead_t *) __thread_self)->dtv = (DTV))
+
+/* Return dtv of given thread descriptor. */
+# define GET_DTV(descr) \
+ (((tcbhead_t *) (descr))->dtv)
+
+/* Code to initially initialize the thread pointer. */
+# define TLS_INIT_TP(descr, secondcall) \
+ (__thread_self = (__typeof (__thread_self)) (descr), NULL)
+
+/* Return the address of the dtv for the current thread. */
+# define THREAD_DTV() \
+ (((tcbhead_t *) __thread_self)->dtv)
+
+# endif
#else