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[Qemu-devel] [PATCH] Add uselib syscall


From: Riku Voipio
Subject: [Qemu-devel] [PATCH] Add uselib syscall
Date: Fri, 19 Sep 2008 16:33:27 +0300
User-agent: Mutt/1.5.11+cvs20060126

Signed-off-by: Riku Voipio <address@hidden>
---
 linux-user/syscall.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6b38d8a..8b8262a 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -282,6 +282,7 @@ extern int flock(int, int);
 extern int setfsuid(int);
 extern int setfsgid(int);
 extern int setgroups(int, gid_t *);
+extern int uselib(const char*);
 
 #define ERRNO_TABLE_SIZE 1200
 
@@ -4313,7 +4314,15 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
 #endif
 #ifdef TARGET_NR_uselib
     case TARGET_NR_uselib:
-        goto unimplemented;
+        {
+            if(!(p = lock_user_string(arg1))) {
+                ret = -TARGET_EFAULT;
+                goto efault;
+            }
+            ret = get_errno(uselib(path(p)));
+            unlock_user(p, arg1, 0);
+        }
+        break;
 #endif
 #ifdef TARGET_NR_swapon
     case TARGET_NR_swapon:
-- 
1.5.6.5


-- 
"rm -rf" only sounds scary if you don't have backups




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