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-rw-r--r--libpthread/nptl/sysdeps/mips/Makefile13
-rw-r--r--libpthread/nptl/sysdeps/mips/Makefile.arch11
-rw-r--r--libpthread/nptl/sysdeps/mips/dl-tls.h45
-rw-r--r--libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h26
-rw-r--r--libpthread/nptl/sysdeps/mips/libc-tls.c36
-rw-r--r--libpthread/nptl/sysdeps/mips/nptl-sysdep.S2
-rw-r--r--libpthread/nptl/sysdeps/mips/pthread_spin_lock.S37
-rw-r--r--libpthread/nptl/sysdeps/mips/pthread_spin_trylock.S42
-rw-r--r--libpthread/nptl/sysdeps/mips/pthreaddef.h38
-rw-r--r--libpthread/nptl/sysdeps/mips/regdef.h25
-rw-r--r--libpthread/nptl/sysdeps/mips/tcb-offsets.sym11
-rw-r--r--libpthread/nptl/sysdeps/mips/tls.h180
12 files changed, 466 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/mips/Makefile b/libpthread/nptl/sysdeps/mips/Makefile
new file mode 100644
index 000000000..6371d2871
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/Makefile
@@ -0,0 +1,13 @@
+# Makefile for uClibc NPTL
+#
+# Copyright (C) 2005 Steven J. Hill <sjhill@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+top_srcdir=../../../../
+top_builddir=../../../../
+all: objs
+include $(top_builddir)Rules.mak
+include Makefile.arch
+include $(top_srcdir)Makerules
diff --git a/libpthread/nptl/sysdeps/mips/Makefile.arch b/libpthread/nptl/sysdeps/mips/Makefile.arch
new file mode 100644
index 000000000..10f8abf3b
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/Makefile.arch
@@ -0,0 +1,11 @@
+# Makefile for uClibc NPTL
+#
+# Copyright (C) 2005 Steven J. Hill <sjhill@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+ASFLAGS-nptl-sysdep.S = -I$(top_srcdir)libc/sysdeps/linux/mips
+
+libc_arch_a_CSRC = libc-tls.c
+
diff --git a/libpthread/nptl/sysdeps/mips/dl-tls.h b/libpthread/nptl/sysdeps/mips/dl-tls.h
new file mode 100644
index 000000000..e26aa388b
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/dl-tls.h
@@ -0,0 +1,45 @@
+/* Thread-local storage handling in the ELF dynamic linker. MIPS version.
+ Copyright (C) 2005 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, see
+ <http://www.gnu.org/licenses/>. */
+
+
+/* Type used for the representation of TLS information in the GOT. */
+typedef struct
+{
+ unsigned long int ti_module;
+ unsigned long int ti_offset;
+} tls_index;
+
+/* The thread pointer points 0x7000 past the first static TLS block. */
+#define TLS_TP_OFFSET 0x7000
+
+/* Dynamic thread vector pointers point 0x8000 past the start of each
+ TLS block. */
+#define TLS_DTV_OFFSET 0x8000
+
+/* Compute the value for a GOTTPREL reloc. */
+#define TLS_TPREL_VALUE(sym_map, sym_val) \
+ ((sym_map)->l_tls_offset + sym_val - TLS_TP_OFFSET)
+
+/* Compute the value for a DTPREL reloc. */
+#define TLS_DTPREL_VALUE(sym_val) \
+ (sym_val - TLS_DTV_OFFSET)
+
+extern void *__tls_get_addr (tls_index *ti);
+
+# define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET)
+# define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET)
diff --git a/libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h
new file mode 100644
index 000000000..9739efd28
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 2003, 2005 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <setjmp.h>
+#include <stdint.h>
+#include <unwind.h>
+
+#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
+ _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
+
+#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
+ ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[0].__sp - (_adj))
diff --git a/libpthread/nptl/sysdeps/mips/libc-tls.c b/libpthread/nptl/sysdeps/mips/libc-tls.c
new file mode 100644
index 000000000..d6ac875ce
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/libc-tls.c
@@ -0,0 +1,36 @@
+/* Thread-local storage handling in the ELF dynamic linker. MIPS version.
+ Copyright (C) 2005 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdeps/generic/libc-tls.c>
+#include <dl-tls.h>
+
+#if USE_TLS
+
+/* On MIPS, linker optimizations are not required, so __tls_get_addr
+ can be called even in statically linked binaries. In this case module
+ must be always 1 and PT_TLS segment exist in the binary, otherwise it
+ would not link. */
+
+void *
+__tls_get_addr (tls_index *ti)
+{
+ dtv_t *dtv = THREAD_DTV ();
+ return (char *) dtv[1].pointer.val + GET_ADDR_OFFSET;
+}
+
+#endif
diff --git a/libpthread/nptl/sysdeps/mips/nptl-sysdep.S b/libpthread/nptl/sysdeps/mips/nptl-sysdep.S
new file mode 100644
index 000000000..7a4a8d311
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/nptl-sysdep.S
@@ -0,0 +1,2 @@
+/* Pull in __syscall_error. */
+#include <syscall_error.S>
diff --git a/libpthread/nptl/sysdeps/mips/pthread_spin_lock.S b/libpthread/nptl/sysdeps/mips/pthread_spin_lock.S
new file mode 100644
index 000000000..01c559c00
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/pthread_spin_lock.S
@@ -0,0 +1,37 @@
+/* Copyright (C) 2005 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sys/asm.h>
+#include <sysdep.h>
+#include <sgidefs.h>
+
+ENTRY (pthread_spin_lock)
+ .set push
+#if _MIPS_SIM == _ABIO32
+ .set mips2
+#endif
+1: ll a2, 0(a0)
+ li a1, 1
+ bnez a2, 1b
+ sc a1, 0(a0)
+ beqz a1, 1b
+ MIPS_SYNC
+ .set pop
+ li v0, 0
+ j ra
+ nop
+END (pthread_spin_lock)
diff --git a/libpthread/nptl/sysdeps/mips/pthread_spin_trylock.S b/libpthread/nptl/sysdeps/mips/pthread_spin_trylock.S
new file mode 100644
index 000000000..2c875457c
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/pthread_spin_trylock.S
@@ -0,0 +1,42 @@
+/* Copyright (C) 2005 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sys/asm.h>
+#include <sysdep.h>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+#include <sgidefs.h>
+
+ENTRY (pthread_spin_trylock)
+ .set push
+#if _MIPS_SIM == _ABIO32
+ .set mips2
+#endif
+ ll a2, 0(a0)
+ li a1, 1
+ bnez a2, 1f
+ sc a1, 0(a0)
+ beqz a1, 1f
+ MIPS_SYNC
+ .set pop
+ li v0, 0
+ j ra
+ nop
+1: li v0, EBUSY
+ j ra
+ nop
+END (pthread_spin_trylock)
diff --git a/libpthread/nptl/sysdeps/mips/pthreaddef.h b/libpthread/nptl/sysdeps/mips/pthreaddef.h
new file mode 100644
index 000000000..692988205
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/pthreaddef.h
@@ -0,0 +1,38 @@
+/* Copyright (C) 2002, 2003, 2005 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, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Default stack size. */
+#define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024)
+
+/* Required stack pointer alignment at beginning. */
+#define STACK_ALIGN 16
+
+/* Minimal stack size after allocating thread descriptor and guard size. */
+#define MINIMAL_REST_STACK 2048
+
+/* Alignment requirement for TCB. */
+#define TCB_ALIGNMENT 16
+
+
+/* Location of current stack frame. */
+#define CURRENT_STACK_FRAME __builtin_frame_address (0)
+
+
+/* XXX Until we have a better place keep the definitions here. */
+
+#define __exit_thread_inline(val) \
+ INLINE_SYSCALL (exit, 1, (val))
diff --git a/libpthread/nptl/sysdeps/mips/regdef.h b/libpthread/nptl/sysdeps/mips/regdef.h
new file mode 100644
index 000000000..e4ebd9ad1
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/regdef.h
@@ -0,0 +1,25 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ralf Baechle <ralf@gnu.org>.
+
+ 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _REGDEF_H
+#define _REGDEF_H
+
+#include <sys/regdef.h>
+#include <sys/fpregdef.h>
+
+#endif /* _REGDEF_H */
diff --git a/libpthread/nptl/sysdeps/mips/tcb-offsets.sym b/libpthread/nptl/sysdeps/mips/tcb-offsets.sym
new file mode 100644
index 000000000..e0e71dc43
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/tcb-offsets.sym
@@ -0,0 +1,11 @@
+#include <sysdep.h>
+#include <tls.h>
+
+--
+
+-- Abuse tls.h macros to derive offsets relative to the thread register.
+#define thread_offsetof(mem) (long)(offsetof(struct pthread, mem) - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE)
+
+MULTIPLE_THREADS_OFFSET thread_offsetof (header.multiple_threads)
+PID_OFFSET thread_offsetof (pid)
+TID_OFFSET thread_offsetof (tid)
diff --git a/libpthread/nptl/sysdeps/mips/tls.h b/libpthread/nptl/sysdeps/mips/tls.h
new file mode 100644
index 000000000..09baf1292
--- /dev/null
+++ b/libpthread/nptl/sysdeps/mips/tls.h
@@ -0,0 +1,180 @@
+/* Definition for thread-local data handling. NPTL/MIPS version.
+ Copyright (C) 2005, 2007 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _TLS_H
+#define _TLS_H 1
+
+#ifndef __ASSEMBLER__
+# include <stdbool.h>
+# include <stddef.h>
+# include <stdint.h>
+
+/* Type for the dtv. */
+typedef union dtv
+{
+ size_t counter;
+ struct
+ {
+ void *val;
+ bool is_static;
+ } pointer;
+} dtv_t;
+
+/* Note: rd must be $v1 to be ABI-conformant. */
+# define READ_THREAD_POINTER() \
+ ({ void *__result; \
+ __asm__ __volatile__ (".set\tpush\n\t.set\tmips32r2\n\t" \
+ "rdhwr\t%0, $29\n\t.set\tpop" : "=v" (__result)); \
+ __result; })
+
+#else /* __ASSEMBLER__ */
+# include <tcb-offsets.h>
+
+# define READ_THREAD_POINTER(rd) \
+ .set push; \
+ .set mips32r2; \
+ rdhwr rd, $29; \
+ .set pop
+#endif /* __ASSEMBLER__ */
+
+
+/* We require TLS support in the tools. */
+#define HAVE_TLS_SUPPORT 1
+#define HAVE_TLS_MODEL_ATTRIBUTE 1
+#define HAVE___THREAD 1
+
+/* Signal that TLS support is available. */
+#define USE_TLS 1
+
+#ifndef __ASSEMBLER__
+
+/* Get system call information. */
+# include <sysdep.h>
+
+/* The TP points to the start of the thread blocks. */
+# define TLS_DTV_AT_TP 1
+
+/* Get the thread descriptor definition. */
+#include <../../descr.h>
+
+typedef struct
+{
+ dtv_t *dtv;
+ void *private;
+} tcbhead_t;
+
+/* This is the size of the initial TCB. Because our TCB is before the thread
+ pointer, we don't need this. */
+# define TLS_INIT_TCB_SIZE 0
+
+/* Alignment requirements for the initial TCB. */
+# define TLS_INIT_TCB_ALIGN __alignof__ (struct pthread)
+
+/* This is the size of the TCB. Because our TCB is before the thread
+ pointer, we don't need this. */
+# define TLS_TCB_SIZE 0
+
+/* Alignment requirements for the TCB. */
+# define TLS_TCB_ALIGN __alignof__ (struct pthread)
+
+/* This is the size we need before TCB - actually, it includes the TCB. */
+# define TLS_PRE_TCB_SIZE \
+ (sizeof (struct pthread) \
+ + ((sizeof (tcbhead_t) + TLS_TCB_ALIGN - 1) & ~(TLS_TCB_ALIGN - 1)))
+
+/* The thread pointer (in hardware register $29) points to the end of
+ the TCB + 0x7000, as for PowerPC. The pthread_descr structure is
+ immediately in front of the TCB. */
+# define TLS_TCB_OFFSET 0x7000
+
+/* Install the dtv pointer. The pointer passed is to the element with
+ index -1 which contain the length. */
+# define INSTALL_DTV(tcbp, dtvp) \
+ (((tcbhead_t *) (tcbp))[-1].dtv = (dtvp) + 1)
+
+/* Install new dtv for current thread. */
+# define INSTALL_NEW_DTV(dtv) \
+ (THREAD_DTV() = (dtv))
+
+/* Return dtv of given thread descriptor. */
+# define GET_DTV(tcbp) \
+ (((tcbhead_t *) (tcbp))[-1].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(tcbp, secondcall) \
+ ({ INTERNAL_SYSCALL_DECL (err); \
+ long result_var attribute_unused; \
+ result_var = INTERNAL_SYSCALL (set_thread_area, err, 1, \
+ (char *) (tcbp) + TLS_TCB_OFFSET); \
+ INTERNAL_SYSCALL_ERROR_P (result_var, err) \
+ ? "unknown error" : NULL; })
+
+/* Return the address of the dtv for the current thread. */
+# define THREAD_DTV() \
+ (((tcbhead_t *) (READ_THREAD_POINTER () - TLS_TCB_OFFSET))[-1].dtv)
+
+/* Return the thread descriptor for the current thread. */
+# define THREAD_SELF \
+ ((struct pthread *) (READ_THREAD_POINTER () \
+ - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE))
+
+/* Magic for libthread_db to know how to do THREAD_SELF. */
+# define DB_THREAD_SELF \
+ CONST_THREAD_AREA (32, TLS_TCB_OFFSET + TLS_PRE_TCB_SIZE)
+
+/* Access to data in the thread descriptor is easy. */
+# define THREAD_GETMEM(descr, member) \
+ descr->member
+# define THREAD_GETMEM_NC(descr, member, idx) \
+ descr->member[idx]
+# define THREAD_SETMEM(descr, member, value) \
+ descr->member = (value)
+# define THREAD_SETMEM_NC(descr, member, idx, value) \
+ descr->member[idx] = (value)
+
+/* l_tls_offset == 0 is perfectly valid on MIPS, so we have to use some
+ different value to mean unset l_tls_offset. */
+# define NO_TLS_OFFSET -1
+/* Get and set the global scope generation counter in struct pthread. */
+#define THREAD_GSCOPE_FLAG_UNUSED 0
+#define THREAD_GSCOPE_FLAG_USED 1
+#define THREAD_GSCOPE_FLAG_WAIT 2
+#define THREAD_GSCOPE_RESET_FLAG() \
+ do \
+ { int __res \
+ = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \
+ THREAD_GSCOPE_FLAG_UNUSED); \
+ if (__res == THREAD_GSCOPE_FLAG_WAIT) \
+ lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE); \
+ } \
+ while (0)
+#define THREAD_GSCOPE_SET_FLAG() \
+ do \
+ { \
+ THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \
+ atomic_write_barrier (); \
+ } \
+ while (0)
+#define THREAD_GSCOPE_WAIT() \
+ GL(dl_wait_lookup_done) ()
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* tls.h */
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