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[Qemu-devel] [PATCH] Fix building with glibc < 2.4
From: |
Kirill A. Shutemov |
Subject: |
[Qemu-devel] [PATCH] Fix building with glibc < 2.4 |
Date: |
Wed, 10 Dec 2008 13:45:51 +0200 |
Prior to version 2.4, glibc did not expose the definition of
MREMAP_FIXED, and the prototype for mremap() did not allow
for the new_address argument.
Tested only with glibc 2.9.
Signed-off-by: Kirill A. Shutemov <address@hidden>
---
linux-user/mmap.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 89254ae..b6dd184 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -24,6 +24,8 @@
#include <unistd.h>
#include <errno.h>
#include <sys/mman.h>
+#include <linux/mman.h>
+#include <linux/unistd.h>
#include "qemu.h"
#include "qemu-common.h"
@@ -564,9 +566,11 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong
old_size,
if (mmap_start == -1) {
errno = ENOMEM;
host_addr = MAP_FAILED;
- } else
- host_addr = mremap(g2h(old_addr), old_size, new_size,
- flags | MREMAP_FIXED, g2h(mmap_start));
+ } else {
+ host_addr = (void *) syscall(__NR_mremap, g2h(old_addr),
+ old_size, new_size, flags | MREMAP_FIXED,
+ g2h(mmap_start));
+ }
} else {
host_addr = mremap(g2h(old_addr), old_size, new_size, flags);
/* Check if address fits target address space */
--
1.6.0.2.GIT
- [Qemu-devel] [PATCH] Fix building with glibc < 2.4,
Kirill A. Shutemov <=