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[Qemu-devel] [PATCH] linux-user: Use abi_ulong for TARGET_ELF_PAGESTART
From: |
Yongbok Kim |
Subject: |
[Qemu-devel] [PATCH] linux-user: Use abi_ulong for TARGET_ELF_PAGESTART |
Date: |
Mon, 20 Apr 2015 16:15:20 +0100 |
TARGET_ELF_PAGESTART is required to use abi_ulong to correctly handle
addresses for different target bits width.
This patch fixes a problem when running a 64-bit user mode application
on 32-bit host machines.
Signed-off-by: Yongbok Kim <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
---
linux-user/elfload.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 399c021..edf0cf4 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1227,7 +1227,8 @@ struct exec
/* Necessary parameters */
#define TARGET_ELF_EXEC_PAGESIZE TARGET_PAGE_SIZE
-#define TARGET_ELF_PAGESTART(_v) ((_v) & ~(unsigned
long)(TARGET_ELF_EXEC_PAGESIZE-1))
+#define TARGET_ELF_PAGESTART(_v) ((_v) & \
+ ~(abi_ulong)(TARGET_ELF_EXEC_PAGESIZE-1))
#define TARGET_ELF_PAGEOFFSET(_v) ((_v) & (TARGET_ELF_EXEC_PAGESIZE-1))
#define DLINFO_ITEMS 14
--
1.7.5.4
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