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authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2014-05-21 16:08:06 -0500
committerAdhemerval Zanella <azanella@linux.vnet.ibm.com>2014-05-26 11:45:14 -0500
commitc7a8d667878a25bad5d7ab41fbbb603e535da661 (patch)
tree06ee75eaa7df12c63ecb23117e5211e5ee345655 /sysdeps/unix/sysv/linux/powerpc/powerpc64
parentdaee7851e28051fc81b50ac7862d923d77324e83 (diff)
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PowerPC: Move remaining nptl/sysdeps/unix/sysv/linux/powerpc/ files.
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc64')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions10
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h151
2 files changed, 161 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions b/sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions
index 569e79a5de..a8e88b89db 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions
@@ -31,3 +31,13 @@ librt {
     timer_settime;
   }
 }
+
+libpthread {
+  GLIBC_2.3.4 {
+    longjmp; siglongjmp;
+  }
+  GLIBC_2.6 {
+    # Changed PTHREAD_STACK_MIN.
+    pthread_attr_setstack; pthread_attr_setstacksize;
+  }
+}
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
new file mode 100644
index 0000000000..5807d9d5bc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
@@ -0,0 +1,151 @@
+/* Cancellable system call stubs.  Linux/PowerPC64 version.
+   Copyright (C) 2003-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>, 2003.
+
+   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 <sysdep.h>
+#include <tls.h>
+#ifndef __ASSEMBLER__
+# include <nptl/pthreadP.h>
+#endif
+
+#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
+
+# ifdef HAVE_ASM_GLOBAL_DOT_NAME
+#  define DASHDASHPFX(str) .__##str
+# else
+#  define DASHDASHPFX(str) __##str
+# endif
+
+#if _CALL_ELF == 2
+#define CANCEL_FRAMESIZE (FRAME_MIN_SIZE+16+48)
+#define CANCEL_PARM_SAVE (FRAME_MIN_SIZE+16)
+#else
+#define CANCEL_FRAMESIZE (FRAME_MIN_SIZE+16)
+#define CANCEL_PARM_SAVE (CANCEL_FRAMESIZE+FRAME_PARM_SAVE)
+#endif
+
+# undef PSEUDO
+# define PSEUDO(name, syscall_name, args)				\
+  .section ".text";							\
+  ENTRY (name)								\
+    SINGLE_THREAD_P;							\
+    bne- .Lpseudo_cancel;						\
+  .type DASHDASHPFX(syscall_name##_nocancel),@function;			\
+  .globl DASHDASHPFX(syscall_name##_nocancel);				\
+  DASHDASHPFX(syscall_name##_nocancel):					\
+    DO_CALL (SYS_ify (syscall_name));					\
+    PSEUDO_RET;								\
+  .size DASHDASHPFX(syscall_name##_nocancel),.-DASHDASHPFX(syscall_name##_nocancel);	\
+  .Lpseudo_cancel:							\
+    stdu 1,-CANCEL_FRAMESIZE(1);					\
+    cfi_adjust_cfa_offset (CANCEL_FRAMESIZE);				\
+    mflr 9;								\
+    std  9,CANCEL_FRAMESIZE+FRAME_LR_SAVE(1);				\
+    cfi_offset (lr, FRAME_LR_SAVE);					\
+    DOCARGS_##args;	/* save syscall args around CENABLE.  */	\
+    CENABLE;								\
+    std  3,FRAME_MIN_SIZE(1); /* store CENABLE return value (MASK).  */	\
+    UNDOCARGS_##args;	/* restore syscall args.  */			\
+    DO_CALL (SYS_ify (syscall_name));					\
+    mfcr 0;		/* save CR/R3 around CDISABLE.  */		\
+    std  3,FRAME_MIN_SIZE+8(1);						\
+    std  0,CANCEL_FRAMESIZE+FRAME_CR_SAVE(1);				\
+    cfi_offset (cr, FRAME_CR_SAVE);					\
+    ld   3,FRAME_MIN_SIZE(1); /* pass MASK to CDISABLE.  */		\
+    CDISABLE;								\
+    ld   9,CANCEL_FRAMESIZE+FRAME_LR_SAVE(1);				\
+    ld   0,CANCEL_FRAMESIZE+FRAME_CR_SAVE(1); /* restore CR/R3. */	\
+    ld   3,FRAME_MIN_SIZE+8(1);						\
+    mtlr 9;								\
+    mtcr 0;								\
+    addi 1,1,CANCEL_FRAMESIZE;						\
+    cfi_adjust_cfa_offset (-CANCEL_FRAMESIZE);				\
+    cfi_restore (lr);							\
+    cfi_restore (cr)
+
+# define DOCARGS_0
+# define UNDOCARGS_0
+
+# define DOCARGS_1	std 3,CANCEL_PARM_SAVE(1); DOCARGS_0
+# define UNDOCARGS_1	ld 3,CANCEL_PARM_SAVE(1); UNDOCARGS_0
+
+# define DOCARGS_2	std 4,CANCEL_PARM_SAVE+8(1); DOCARGS_1
+# define UNDOCARGS_2	ld 4,CANCEL_PARM_SAVE+8(1); UNDOCARGS_1
+
+# define DOCARGS_3	std 5,CANCEL_PARM_SAVE+16(1); DOCARGS_2
+# define UNDOCARGS_3	ld 5,CANCEL_PARM_SAVE+16(1); UNDOCARGS_2
+
+# define DOCARGS_4	std 6,CANCEL_PARM_SAVE+24(1); DOCARGS_3
+# define UNDOCARGS_4	ld 6,CANCEL_PARM_SAVE+24(1); UNDOCARGS_3
+
+# define DOCARGS_5	std 7,CANCEL_PARM_SAVE+32(1); DOCARGS_4
+# define UNDOCARGS_5	ld 7,CANCEL_PARM_SAVE+32(1); UNDOCARGS_4
+
+# define DOCARGS_6	std 8,CANCEL_PARM_SAVE+40(1); DOCARGS_5
+# define UNDOCARGS_6	ld 8,CANCEL_PARM_SAVE+40(1); UNDOCARGS_5
+
+# ifdef IS_IN_libpthread
+#  ifdef SHARED
+#   define CENABLE	bl JUMPTARGET(__pthread_enable_asynccancel)
+#   define CDISABLE	bl JUMPTARGET(__pthread_disable_asynccancel)
+#  else
+#   define CENABLE	bl JUMPTARGET(__pthread_enable_asynccancel); nop
+#   define CDISABLE	bl JUMPTARGET(__pthread_disable_asynccancel); nop
+#  endif
+# elif !defined NOT_IN_libc
+#  ifdef SHARED
+#   define CENABLE	bl JUMPTARGET(__libc_enable_asynccancel)
+#   define CDISABLE	bl JUMPTARGET(__libc_disable_asynccancel)
+#  else
+#   define CENABLE	bl JUMPTARGET(__libc_enable_asynccancel); nop
+#   define CDISABLE	bl JUMPTARGET(__libc_disable_asynccancel); nop
+#  endif
+# elif defined IS_IN_librt
+#  ifdef SHARED
+#   define CENABLE	bl JUMPTARGET(__librt_enable_asynccancel)
+#   define CDISABLE	bl JUMPTARGET(__librt_disable_asynccancel)
+#  else
+#   define CENABLE	bl JUMPTARGET(__librt_enable_asynccancel); nop
+#   define CDISABLE	bl JUMPTARGET(__librt_disable_asynccancel); nop
+#  endif
+# else
+#  error Unsupported library
+# endif
+
+# ifndef __ASSEMBLER__
+#  define SINGLE_THREAD_P						\
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF,				\
+				   header.multiple_threads) == 0, 1)
+# else
+#   define SINGLE_THREAD_P						\
+  lwz   10,MULTIPLE_THREADS_OFFSET(13);				\
+  cmpwi 10,0
+# endif
+
+#elif !defined __ASSEMBLER__
+
+# define SINGLE_THREAD_P (1)
+# define NO_CANCELLATION 1
+
+#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+				   header.multiple_threads) == 0, 1)
+#endif