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- #include <sysdep.h>
- #include <tls.h>
- #ifndef __ASSEMBLER__
- # include <linuxthreads/internals.h>
- #endif
- #if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
- # undef PSEUDO
- # define PSEUDO(name, syscall_name, args) \
- .section ".text"; \
- ENTRY (name) \
- SINGLE_THREAD_P; \
- bne- .Lpseudo_cancel; \
- DO_CALL (SYS_ify (syscall_name)); \
- PSEUDO_RET; \
- .Lpseudo_cancel: \
- stdu 1,-128(1); \
- mflr 9; \
- std 9,128+16(1); \
- DOCARGS_##args; \
- CENABLE; \
- std 3,72(1); \
- UNDOCARGS_##args; \
- DO_CALL (SYS_ify (syscall_name)); \
- mfcr 0; \
- std 3,64(1); \
- std 0,8(1); \
- ld 3,72(1); \
- CDISABLE; \
- ld 9,128+16(1); \
- ld 0,8(1); \
- ld 3,64(1); \
- mtlr 9; \
- mtcr 0; \
- addi 1,1,128;
- # define DOCARGS_0
- # define UNDOCARGS_0
- # define DOCARGS_1 std 3,80(1); DOCARGS_0
- # define UNDOCARGS_1 ld 3,80(1); UNDOCARGS_0
- # define DOCARGS_2 std 4,88(1); DOCARGS_1
- # define UNDOCARGS_2 ld 4,88(1); UNDOCARGS_1
- # define DOCARGS_3 std 5,96(1); DOCARGS_2
- # define UNDOCARGS_3 ld 5,96(1); UNDOCARGS_2
- # define DOCARGS_4 std 6,104(1); DOCARGS_3
- # define UNDOCARGS_4 ld 6,104(1); UNDOCARGS_3
- # define DOCARGS_5 std 7,112(1); DOCARGS_4
- # define UNDOCARGS_5 ld 7,112(1); UNDOCARGS_4
- # define DOCARGS_6 std 8,120(1); DOCARGS_5
- # define UNDOCARGS_6 ld 8,120(1); UNDOCARGS_5
- # ifdef IS_IN_libpthread
- # define CENABLE bl JUMPTARGET(__pthread_enable_asynccancel)
- # define CDISABLE bl JUMPTARGET(__pthread_disable_asynccancel)
- # define __local_multiple_threads __pthread_multiple_threads
- # elif !defined NOT_IN_libc
- # define CENABLE bl JUMPTARGET(__libc_enable_asynccancel)
- # define CDISABLE bl JUMPTARGET(__libc_disable_asynccancel)
- # define __local_multiple_threads __libc_multiple_threads
- # else
- # define CENABLE bl JUMPTARGET(__librt_enable_asynccancel); nop
- # define CDISABLE bl JUMPTARGET(__librt_disable_asynccancel); nop
- # define __local_multiple_threads __librt_multiple_threads
- # endif
- # ifdef HAVE_TLS_SUPPORT
- # ifndef __ASSEMBLER__
- # define SINGLE_THREAD_P \
- __builtin_expect (THREAD_GETMEM (THREAD_SELF, p_multiple_threads) == 0, 1)
- # else
- # define SINGLE_THREAD_P \
- lwz 10,MULTIPLE_THREADS_OFFSET(13); \
- cmpwi 10,0
- # endif
- # else
- # ifndef __ASSEMBLER__
- extern int __local_multiple_threads
- # if !defined NOT_IN_libc || defined IS_IN_libpthread
- attribute_hidden;
- # else
- ;
- # endif
- # define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
- # else
- # define SINGLE_THREAD_P \
- .section ".toc","aw"; \
- .LC__local_multiple_threads:; \
- .tc __local_multiple_threads[TC],__local_multiple_threads; \
- .previous; \
- ld 10,.LC__local_multiple_threads@toc(2); \
- lwz 10,0(10); \
- cmpwi 10,0
- # endif
- # endif
- #elif !defined __ASSEMBLER__
- # define SINGLE_THREAD_P (1)
- #endif
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