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Prepare for handling different BSD mmap() flags

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5809 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-11-29 14:05:16 +00:00
parent ee50add925
commit 6c173b3c09
2 changed files with 126 additions and 4 deletions
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9
bsd-user/mmap.c
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@ -27,6 +27,7 @@
#include "qemu.h"
#include "qemu-common.h"
#include "bsd-mman.h"
//#define DEBUG_MMAP
@ -223,7 +224,7 @@ static int mmap_frag(abi_ulong real_start,
if (!(flags & MAP_ANON)) {
/* msync() won't work here, so we return an error if write is
possible while it is a shared mapping */
if ((flags & MAP_FLAGMASK) == MAP_SHARED &&
if ((flags & TARGET_BSD_MAP_FLAGMASK) == MAP_SHARED &&
(prot & PROT_WRITE))
return -EINVAL;
@ -323,7 +324,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
printf("MAP_FIXED ");
if (flags & MAP_ANON)
printf("MAP_ANON ");
switch(flags & MAP_FLAGMASK) {
switch(flags & TARGET_BSD_MAP_FLAGMASK) {
case MAP_PRIVATE:
printf("MAP_PRIVATE ");
break;
@ -331,7 +332,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
printf("MAP_SHARED ");
break;
default:
printf("[MAP_FLAGMASK=0x%x] ", flags & MAP_FLAGMASK);
printf("[MAP_FLAGMASK=0x%x] ", flags & TARGET_BSD_MAP_FLAGMASK);
break;
}
printf("fd=%d offset=" TARGET_FMT_lx "\n", fd, offset);
@ -396,7 +397,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
(offset & ~qemu_host_page_mask) != (start & ~qemu_host_page_mask)) {
/* msync() won't work here, so we return an error if write is
possible while it is a shared mapping */
if ((flags & MAP_FLAGMASK) == MAP_SHARED &&
if ((flags & TARGET_BSD_MAP_FLAGMASK) == MAP_SHARED &&
(prot & PROT_WRITE)) {
errno = EINVAL;
goto fail;