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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2016-11-26 09:12:58 (GMT)
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2016-11-27 15:35:31 (GMT)
commit8ccf7c3e8c725e9fc29ad0f5accebb127c9ea246 (patch)
tree6cb6628191bc1de1415e85ae21b17e3ca9ffcc04 /libpthread/nptl/sysdeps
parentcee0b058fa0b4501b289a2da365182d60314d746 (diff)
microblaze: sync sysdep-cancel.h/sydep.h with GNU libc
Diffstat (limited to 'libpthread/nptl/sysdeps')
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h48
1 files changed, 30 insertions, 18 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h
index 2af79ca..a03e42a 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h
@@ -23,12 +23,7 @@
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
-#ifdef __ASSEMBLER__
-
-#undef ret
-#define ret
-
-# if !IS_IN_librt || !defined(PIC)
+# if !defined IS_IN_librt || !defined(PIC)
# define AC_STACK_SIZE 16 /* space for r15, async_cancel arg and 2 temp words */
# define AC_SET_GOT /* empty */
# define AC_RESTORE_GOT /* empty */
@@ -54,9 +49,7 @@ __##syscall_name##_nocancel: \
DO_CALL (syscall_name, args); \
addik r4, r0, -4095; \
cmpu r4, r4, r3; \
- rsubk r3,r3,r0; \
- rtsd r15,8; \
- addik r3,r0,-1; \
+ bgei r4, SYSCALL_ERROR_LABEL; \
rtsd r15, 8; \
nop; \
.size __##syscall_name##_nocancel, .-__##syscall_name##_nocancel; \
@@ -78,9 +71,7 @@ L(pseudo_cancel): \
addik r1, r1, AC_STACK_SIZE; \
addik r4, r0, -4095; \
cmpu r4, r4, r3; \
- rsubk r3,r3,r0; \
- rtsd r15,8; \
- addik r3,r0,-1; \
+ bgei r4, SYSCALL_ERROR_LABEL; \
rtsd r15, 8; \
nop;
@@ -126,14 +117,35 @@ L(pseudo_cancel): \
# error Unsupported library
# endif
-#define SINGLE_THREAD_P(reg) \
- lwi reg, r0, MULTIPLE_THREADS_OFFSET(reg)
-
-#else /* !__ASSEMBLER__ */
-# define SINGLE_THREAD_P \
+#if !defined NOT_IN_libc || defined IS_IN_libpthread
+# ifndef __ASSEMBLER__
+extern int __local_multiple_threads attribute_hidden;
+# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
+# else
+# if !defined PIC
+# define SINGLE_THREAD_P(reg) lwi reg, r0, __local_multiple_threads;
+# else
+# define SINGLE_THREAD_P(reg) \
+ mfs reg, rpc; \
+ addik reg, reg, _GLOBAL_OFFSET_TABLE_+8; \
+ lwi reg, reg, __local_multiple_threads@GOT; \
+ lwi reg, reg, 0;
+# endif
+# endif
+# else
+# ifndef __ASSEMBLER__
+# define SINGLE_THREAD_P \
__builtin_expect (THREAD_GETMEM (THREAD_SELF, \
header.multiple_threads) == 0, 1)
+# else
+# define SINGLE_THREAD_P(reg) \
+ lwi reg, r0, MULTIPLE_THREADS_OFFSET(reg)
+# endif
+# endif
+
+#elif !defined __ASSEMBLER__
-#endif /* __ASSEMBLER__ */
+# define SINGLE_THREAD_P (1)
+# define NO_CANCELLATION (1)
#endif