From 4a585ccb2f45446a127a9f7a5147b033ac02bd5f Mon Sep 17 00:00:00 2001 From: bellard Date: Mon, 9 Jun 2003 15:24:18 +0000 Subject: avoid unaligned file offset in anonymous mapping git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@215 c046a42c-6fe2-441c-8c8c-71466251a162 --- linux-user/mmap.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/linux-user/mmap.c b/linux-user/mmap.c index 1c3eb35f21..0c2fe8dc1a 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -188,7 +188,7 @@ long target_mmap(unsigned long start, unsigned long len, int prot, host_start = start & host_page_mask; if (!(flags & MAP_FIXED)) { -#ifdef __alpha__ +#if defined(__alpha__) || defined(__sparc__) /* tell the kenel to search at the same place as i386 */ if (host_start == 0) host_start = 0x40000000; @@ -282,8 +282,13 @@ long target_mmap(unsigned long start, unsigned long len, int prot, /* map the middle (easier) */ if (host_start < host_end) { + unsigned long offset1; + if (flags & MAP_ANONYMOUS) + offset1 = 0; + else + offset1 = offset + host_start - start; ret = (long)mmap((void *)host_start, host_end - host_start, - prot, flags, fd, offset + host_start - start); + prot, flags, fd, offset1); if (ret == -1) return ret; } -- cgit v1.2.3