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authorUlrich Drepper <drepper@redhat.com>2000-01-04 00:37:51 +0000
committerUlrich Drepper <drepper@redhat.com>2000-01-04 00:37:51 +0000
commit52354636d3ba63e3467c9062f6ddbaf5138f0229 (patch)
treefdf70fbff2c72b1bff8958306d4ce5e3d259808d
parente3aaaa2732fbde38c612442fe4f688f2f58801ff (diff)
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Update.
2000-01-03 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/i386/mmap64.S: Fix code for running on kernel without mmap2 syscall.
-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/unix/sysv/linux/i386/mmap64.S20
2 files changed, 15 insertions, 10 deletions
diff --git a/ChangeLog b/ChangeLog
index e9f416a7ba..df09e6b07e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2000-01-03 Ulrich Drepper <drepper@cygnus.com>
+
+ * sysdeps/unix/sysv/linux/i386/mmap64.S: Fix code for running on
+ kernel without mmap2 syscall.
+
2000-01-03 Philip Blundell <philb@gnu.org>
* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_MMAP2_SYSCALL,
diff --git a/sysdeps/unix/sysv/linux/i386/mmap64.S b/sysdeps/unix/sysv/linux/i386/mmap64.S
index 0785bce783..22515a11d2 100644
--- a/sysdeps/unix/sysv/linux/i386/mmap64.S
+++ b/sysdeps/unix/sysv/linux/i386/mmap64.S
@@ -62,6 +62,12 @@ L(do_syscall):
popl %ebx
popl %ebp
+#ifndef __ASSUME_MMAP2_SYSCALL
+2:
+ cmp $-ENOSYS, %eax
+ je 3f
+#endif
+
/* If 0 > %eax > -4096 there was an error. */
cmpl $-4096, %eax
ja SYSCALL_ERROR_LABEL
@@ -70,12 +76,6 @@ L(do_syscall):
L(pseudo_end):
ret
-#ifndef __ASSUME_MMAP2_SYSCALL
-2:
- cmp $-ENOSYS, %eax
- je 3f
-#endif
-
/* This means the offset value is too large. */
L(einval):
popl %edi
@@ -88,12 +88,11 @@ L(einval):
#if !defined __ASSUME_MMAP2_SYSCALL || !defined __NR_mmap2
-# ifndef __NR_mmap2
+3:
/* Save registers. */
movl %ebx, %edx
-# endif
-3:
- cmpl $0, 44(%esp)
+
+ cmpl $0, 28(%esp)
jne L(einval)
movl $SYS_ify(mmap), %eax /* System call number in %eax. */
@@ -119,6 +118,7 @@ L(pseudo_end):
ret
L(einval):
+ movl %edx, %ebx
movl $-EINVAL, %eax
jmp SYSCALL_ERROR_LABEL
# endif