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authorUlrich Drepper <drepper@redhat.com>2004-08-23 03:32:17 +0000
committerUlrich Drepper <drepper@redhat.com>2004-08-23 03:32:17 +0000
commitef786da12d8efa2f17bcb0415408cf5b49d49121 (patch)
tree035db5e66b579df887bf09d116789665c62d6f23 /linuxthreads/sysdeps
parent3e030bd5f9fa57f79a509565b5de6a1c0360d953 (diff)
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Update.
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.
Diffstat (limited to 'linuxthreads/sysdeps')
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h29
1 files changed, 23 insertions, 6 deletions
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