diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h | 115 |
1 files changed, 6 insertions, 109 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h b/sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h index 9bc9e1356e..cf96c10d1f 100644 --- a/sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h +++ b/sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h @@ -18,121 +18,18 @@ #include <sysdep.h> #include <tls.h> -#ifndef __ASSEMBLER__ -# include <nptl/pthreadP.h> -#endif +#include <nptl/pthreadP.h> #if IS_IN (libc) || IS_IN (libpthread) || IS_IN (librt) -# undef PSEUDO -# define PSEUDO(name, syscall_name, args) \ - .text; \ - ENTRY (name) \ - SINGLE_THREAD_P; \ - jne .Lpseudo_cancel; \ - .type __##syscall_name##_nocancel,@function; \ - .globl __##syscall_name##_nocancel; \ - __##syscall_name##_nocancel: \ - DO_CALL (syscall_name, args); \ - cmp.l &-4095, %d0; \ - jcc SYSCALL_ERROR_LABEL; \ - rts; \ - .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \ - .Lpseudo_cancel: \ - CENABLE; \ - DOCARGS_##args \ - move.l %d0, -(%sp); /* Save result of CENABLE. */ \ - cfi_adjust_cfa_offset (4); \ - move.l &SYS_ify (syscall_name), %d0; \ - trap &0; \ - move.l %d0, %d2; \ - CDISABLE; \ - addq.l &4, %sp; /* Remove result of CENABLE from the stack. */ \ - cfi_adjust_cfa_offset (-4); \ - move.l %d2, %d0; \ - UNDOCARGS_##args \ - cmp.l &-4095, %d0; \ - jcc SYSCALL_ERROR_LABEL - -/* Note: we use D2 to save syscall's return value as D0 will be clobbered in - CDISABLE. */ -# define DOCARGS_0 move.l %d2, -(%sp); \ - cfi_adjust_cfa_offset (4); cfi_rel_offset (%d2, 0); -# define UNDOCARGS_0 move.l (%sp)+, %d2; \ - cfi_adjust_cfa_offset (-4); cfi_restore (%d2); - -# define DOCARGS_1 _DOCARGS_1 (4); DOCARGS_0 -# define _DOCARGS_1(n) move.l n(%sp), %d1; -# define UNDOCARGS_1 UNDOCARGS_0 - -# define DOCARGS_2 _DOCARGS_2 (8) -# define _DOCARGS_2(n) DOCARGS_0 move.l n+4(%sp), %d2; _DOCARGS_1 (n) -# define UNDOCARGS_2 UNDOCARGS_0 - -# define DOCARGS_3 _DOCARGS_3 (12) -# define _DOCARGS_3(n) move.l %d3, -(%sp); \ - cfi_adjust_cfa_offset (4); cfi_rel_offset (%d3, 0); \ - move.l n+4(%sp), %d3; _DOCARGS_2 (n) -# define UNDOCARGS_3 UNDOCARGS_2 move.l (%sp)+, %d3; \ - cfi_adjust_cfa_offset (-4); cfi_restore (%d3); - -# define DOCARGS_4 _DOCARGS_4 (16) -# define _DOCARGS_4(n) move.l %d4, -(%sp); \ - cfi_adjust_cfa_offset (4); cfi_rel_offset (%d4, 0); \ - move.l n+4(%sp), %d4; _DOCARGS_3 (n) -# define UNDOCARGS_4 UNDOCARGS_3 move.l (%sp)+, %d4; \ - cfi_adjust_cfa_offset (-4); cfi_restore (%d4); - -# define DOCARGS_5 _DOCARGS_5 (20) -# define _DOCARGS_5(n) move.l %d5, -(%sp); \ - cfi_adjust_cfa_offset (4); cfi_rel_offset (%d5, 0); \ - move.l n+4(%sp), %d5; _DOCARGS_4 (n) -# define UNDOCARGS_5 UNDOCARGS_4 move.l (%sp)+, %d5; \ - cfi_adjust_cfa_offset (-4); cfi_restore (%d5); - -# define DOCARGS_6 _DOCARGS_6 (24) -# define _DOCARGS_6(n) move.l n(%sp), %a0; _DOCARGS_5 (n-4) -# define UNDOCARGS_6 UNDOCARGS_5 - -# ifdef PIC -# define PSEUDO_JMP(sym) jbsr sym ## @PLTPC -# else -# define PSEUDO_JMP(sym) jbsr sym -# endif - -# if IS_IN (libpthread) -# define CENABLE PSEUDO_JMP (__pthread_enable_asynccancel) -# define CDISABLE PSEUDO_JMP (__pthread_disable_asynccancel) -# elif IS_IN (libc) -# define CENABLE PSEUDO_JMP (__libc_enable_asynccancel) -# define CDISABLE PSEUDO_JMP (__libc_disable_asynccancel) -# elif IS_IN (librt) -# define CENABLE PSEUDO_JMP (__librt_enable_asynccancel) -# define CDISABLE PSEUDO_JMP (__librt_disable_asynccancel) -# 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 \ - PSEUDO_JMP (__m68k_read_tp); \ - tst.l MULTIPLE_THREADS_OFFSET(%a0) -# endif - -#elif !defined __ASSEMBLER__ +# define SINGLE_THREAD_P \ + __glibc_likely (THREAD_GETMEM (THREAD_SELF, header.multiple_threads) == 0) +#else # 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 +#define RTLD_SINGLE_THREAD_P \ + __glibc_likely (THREAD_GETMEM (THREAD_SELF, header.multiple_threads) == 0) |