diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h | 91 |
1 files changed, 47 insertions, 44 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h index d8c65aeffd..2c76d01715 100644 --- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h +++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 2002. @@ -26,49 +26,46 @@ #if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt # undef PSEUDO -# define PSEUDO(name, syscall_name, args) \ - .text; \ -ENTRY(name) \ - ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1; \ - brnz,pn %g1, 1f; \ -.type __##syscall_name##_nocancel,@function; \ -.globl __##syscall_name##_nocancel; \ -__##syscall_name##_nocancel: \ - mov SYS_ify(syscall_name), %g1; \ - ta 0x6d; \ - bcs,pn %xcc, __syscall_error_handler; \ - nop; \ -.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \ - .subsection 2; \ -1: save %sp, -192, %sp; \ - CENABLE; \ - nop; \ - mov %o0, %l0; \ - COPY_ARGS_##args \ - mov SYS_ify(syscall_name), %g1; \ - ta 0x6d; \ - bcs,pn %xcc, __syscall_error_handler2; \ - mov %o0, %l1; \ - CDISABLE; \ - mov %l0, %o0; \ - jmpl %i7 + 8, %g0; \ - restore %g0, %l1, %o0; \ - .previous; \ - SYSCALL_ERROR_HANDLER \ - SYSCALL_ERROR_HANDLER2 - -#define SYSCALL_ERROR_HANDLER2 \ -SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2) \ - .global __errno_location; \ - .type __errno_location,@function; \ - CDISABLE; \ - mov %l0, %o0; \ - call __errno_location; \ - nop; \ - st %l1, [%o0]; \ - jmpl %i7 + 8, %g0; \ - restore %g0, -1, %o0; \ - .previous; +# define PSEUDO(name, syscall_name, args) \ + .text; \ + .globl __syscall_error; \ +ENTRY(name) \ + ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1;\ + brnz,pn %g1, 1f; \ +.type __##syscall_name##_nocancel,@function; \ +.globl __##syscall_name##_nocancel; \ +__##syscall_name##_nocancel: \ + mov SYS_ify(syscall_name), %g1; \ + ta 0x6d; \ + bcc,pt %xcc, 8f; \ + mov %o7, %g1; \ + call __syscall_error; \ + mov %g1, %o7; \ +8: jmpl %o7 + 8, %g0; \ + nop; \ +.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel;\ +1: save %sp, -192, %sp; \ + cfi_def_cfa_register(%fp); \ + cfi_window_save; \ + cfi_register(%o7, %i7); \ + CENABLE; \ + nop; \ + mov %o0, %l0; \ + COPY_ARGS_##args \ + mov SYS_ify(syscall_name), %g1; \ + ta 0x6d; \ + bcc,pt %xcc, 1f; \ + mov %o0, %l1; \ + CDISABLE; \ + mov %l0, %o0; \ + call __syscall_error; \ + mov %l1, %o0; \ + ba,pt %xcc, 2f; \ + mov -1, %l1; \ +1: CDISABLE; \ + mov %l0, %o0; \ +2: jmpl %i7 + 8, %g0; \ + restore %g0, %l1, %o0; # ifdef IS_IN_libpthread # define CENABLE call __pthread_enable_asynccancel @@ -105,3 +102,9 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2) \ # define NO_CANCELLATION 1 #endif + +#ifndef __ASSEMBLER__ +# define RTLD_SINGLE_THREAD_P \ + __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ + header.multiple_threads) == 0, 1) +#endif |