diff options
| -rw-r--r-- | linuxthreads/ChangeLog | 5 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h | 29 |
2 files changed, 28 insertions, 6 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index e9698e75de..0faf95f01e 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,8 @@ +2004-08-22 Andreas Schwab <schwab@suse.de> + + * sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h (PSEUDO) [IS_IN_librt]: + Save gp around CENABLE/CDISABLE calls. + 2004-08-15 Roland McGrath <roland@frob.com> * pthread_atfork.c: Update copyright terms including special exception diff --git a/linuxthreads/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h index ec17a37b9c..dd9637d2b5 100644 --- a/linuxthreads/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h +++ b/linuxthreads/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h @@ -25,6 +25,20 @@ #if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt +# ifdef IS_IN_librt +# define PSEUDO_NLOCAL 6 +# define PSEUDO_SAVE_GP mov loc5 = gp +# define PSEUDO_RESTORE_GP mov gp = loc5 +# define PSEUDO_SAVE_GP_1 +# define PSEUDO_RESTORE_GP_1 mov gp = loc5 +# else +# define PSEUDO_NLOCAL 5 +# define PSEUDO_SAVE_GP +# define PSEUDO_RESTORE_GP +# define PSEUDO_SAVE_GP_1 mov loc4 = gp;; +# define PSEUDO_RESTORE_GP_1 mov gp = loc4 +# endif + # undef PSEUDO # define PSEUDO(name, syscall_name, args) \ .text; \ @@ -45,13 +59,15 @@ ENTRY (name) \ __GC_##name: \ .Lpseudo_cancel: \ .prologue; \ - .regstk args, 5, args, 0; \ + .regstk args, PSEUDO_NLOCAL, args, 0; \ .save ar.pfs, loc0; \ - alloc loc0 = ar.pfs, args, 5, args, 0; \ + alloc loc0 = ar.pfs, args, PSEUDO_NLOCAL, args, 0; \ .save rp, loc1; \ - mov loc1 = rp;; \ + mov loc1 = rp; \ + PSEUDO_SAVE_GP;; \ .body; \ CENABLE;; \ + PSEUDO_RESTORE_GP; \ mov loc2 = r8; \ COPY_ARGS_##args \ mov r15 = SYS_ify(syscall_name); \ @@ -60,6 +76,7 @@ __GC_##name: \ mov loc4 = r10; \ mov out0 = loc2; \ CDISABLE;; \ + PSEUDO_RESTORE_GP; \ cmp.eq p6,p0=-1,loc4; \ (p6) br.cond.spnt.few __syscall_error_##args; \ mov r8 = loc3; \ @@ -76,14 +93,14 @@ __GC_##name: \ .size __syscall_error_##args, 64; \ __syscall_error_##args: \ .prologue; \ - .regstk args, 5, args, 0; \ + .regstk args, PSEUDO_NLOCAL, args, 0; \ .save ar.pfs, loc0; \ .save rp, loc1; \ .body; \ - mov loc4 = r1;; \ + PSEUDO_SAVE_GP_1; \ br.call.sptk.many b0 = __errno_location;; \ st4 [r8] = loc3; \ - mov r1 = loc4; \ + PSEUDO_RESTORE_GP_1; \ mov rp = loc1; \ mov r8 = -1; \ mov ar.pfs = loc0 |