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authorUlrich Drepper <drepper@redhat.com>2003-01-27 21:03:22 +0000
committerUlrich Drepper <drepper@redhat.com>2003-01-27 21:03:22 +0000
commit62f29da7cbc527e8f8dda4f5101e6ac504c98505 (patch)
treed1f7d7ed70c131129214bc71441b1d8bbfc7268f /linuxthreads/sysdeps
parente4e9446ba3c762d9bddd2718f889af545bf4e95c (diff)
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Update.
2003-01-26 Andreas Schwab <schwab@suse.de> * sysdeps/wordsize-32/divdi3.c: Export the functions only as compatibility symbols. Remove INTDEF for __divdi3. * sysdeps/wordsize-32/lldiv.c: Don't use __divdi3_internal. * sysdeps/powerpc/powerpc32/divdi3.c: Remove. * sysdeps/powerpc/powerpc32/Makefile (CPPFLAGS-divdi3.c): Don't define. * sysdeps/powerpc/powerpc32/Dist: Remove divdi3.c. 2003-01-24 Jakub Jelinek <jakub@redhat.com> * elf/tls-macros.h: Add SPARC 32-bit definitions. * sysdeps/sparc/sparc32/elf/configure.in: Add TLS check. * sysdeps/sparc/sparc32/dl-machine.h: Add dl_machine_h guards for the first half of the header. Include tls.h. (elf_machine_type_class): Return ELF_RTYPE_CLASS_PLT for TLS relocs too. (elf_machine_rela): Handle TLS relocs. * sysdeps/sparc/dl-tls.h: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/socket.S: Add cancellation support. * sysdeps/sparc/sparc32/sparcv9/hp-timing.h: Use %g6 instead of %g7. * sysdeps/sparc/sparc32/memchr.S: Likewise. * sysdeps/sparc/sparc32/memcpy.S: Likewise. * sysdeps/sparc/sparc32/strcat.S: Likewise. * sysdeps/sparc/sparc32/strchr.S: Likewise. * sysdeps/sparc/sparc32/strcmp.S: Likewise. * sysdeps/sparc/sparc32/strcpy.S: Likewise. * sysdeps/sparc/sparc64/sparcv9b/memcpy.S: Likewise. * sysdeps/sparc/sparc64/hp-timing.h: Likewise. * sysdeps/sparc/sparc64/memcpy.S: Likewise. * sysdeps/sparc/sparc64/stpcpy.S: Likewise. * sysdeps/sparc/sparc64/stpncpy.S: Likewise. * sysdeps/sparc/sparc64/strcat.S: Likewise. * sysdeps/sparc/sparc64/strchr.S: Likewise. * sysdeps/sparc/sparc64/strcmp.S: Likewise. * sysdeps/sparc/sparc64/strcpy.S: Likewise. * sysdeps/sparc/sparc64/strncmp.S: Likewise. * sysdeps/sparc/sparc64/strncpy.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise. 2003-01-24 Andreas Schwab <schwab@suse.de> * elf/dl-close.c (_dl_close): Don't relocate DT_FINI_ARRAY elements, and process them backwards. * elf/Makefile ($(objpfx)tst-array4): New target. ($(objpfx)tst-array4.out): Likewise. (tests) [$(have-initfini-array) = yes]: Add tst-array4. * elf/tst-array4.c: New file. * elf/tst-array4.exp: Likewise. 2003-01-24 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c: New file. 2003-01-27 Guido Guenther <agx@sigxcpu.org> * sysdeps/unix/sysv/linux/mips/sysdep.h (SYSCALL_ERROR_LABEL): Define. * sysdeps/unix/sysv/linux/mips/pread.c: Add support for cancellation handling and handle both __NR_pread64 and __NR_pread. * sysdeps/unix/sysv/linux/mips/pread64.c: Likewise. * sysdeps/unix/sysv/linux/mips/pwrite.c: Add support for cancellation handling and handle both __NR_pwrite64 and __NR_pwrite. * sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise. * sysdeps/unix/mips/sysdep.S: Don't set errno in the _LIBC_REENTRANT case, use register names consistently. 2003-01-27 Wolfram Gloger <wg@malloc.de> * malloc/hooks.c (mem2chunk_check): Check alignment of mem pointer, not of the computed chunk. Bug report from Carlos O'Donell <carlos@baldric.uwo.ca>.
Diffstat (limited to 'linuxthreads/sysdeps')
-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
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h6
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S2
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h6
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S2
7 files changed, 66 insertions, 19 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
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h
index 66aaeabdde..545e1d367f 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h
+++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
@@ -29,7 +29,7 @@
# define PSEUDO(name, syscall_name, args) \
.text; \
ENTRY(name) \
- ld [%g6 + MULTIPLE_THREADS_OFFSET], %g1; \
+ ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1; \
cmp %g1, 0; \
bne 1f; \
mov SYS_ify(syscall_name), %g1; \
@@ -86,7 +86,7 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2) \
__builtin_expect (THREAD_GETMEM (THREAD_SELF, \
p_header.data.multiple_threads) == 0, 1)
# else
-# define SINGLE_THREAD_P ld [%g6 + MULTIPLE_THREADS_OFFSET], %g1
+# define SINGLE_THREAD_P ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1
# endif
#elif !defined __ASSEMBLER__
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
index 9378bd8522..456fe74362 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
+++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
@@ -21,7 +21,7 @@
.text
ENTRY(__vfork)
- ld [%g6 + MULTIPLE_THREADS_OFFSET], %o0
+ ld [%g7 + MULTIPLE_THREADS_OFFSET], %o0
cmp %o0, 0
#ifdef SHARED
bne HIDDEN_JUMPTARGET(__fork)
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
index 7d4f9b5ea8..dff728a81a 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
+++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
@@ -29,7 +29,7 @@
# define PSEUDO(name, syscall_name, args) \
.text; \
ENTRY(name) \
- ld [%g6 + MULTIPLE_THREADS_OFFSET], %g1; \
+ ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1; \
brz,pn %g1, 1f; \
mov SYS_ify(syscall_name), %g1; \
ta 0x6d; \
@@ -85,7 +85,7 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2) \
__builtin_expect (THREAD_GETMEM (THREAD_SELF, \
p_header.data.multiple_threads) == 0, 1)
# else
-# define SINGLE_THREAD_P ld [%g6 + MULTIPLE_THREADS_OFFSET], %g1
+# define SINGLE_THREAD_P ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1
# endif
#elif !defined __ASSEMBLER__
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
index bcfcedfc2d..98ad45795a 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
+++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
@@ -21,7 +21,7 @@
.text
ENTRY(__vfork)
- ld [%g6 + MULTIPLE_THREADS_OFFSET], %o0
+ ld [%g7 + MULTIPLE_THREADS_OFFSET], %o0
#ifdef SHARED
cmp %o0, 0
bne HIDDEN_JUMPTARGET (__fork)