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qemu/0008-qemu-cvs-ioctl_debug.patch

32 lines
1.4 KiB
Diff

From c06a7688a2823e272770551d224ec88e5a7b889f Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 14 Apr 2009 16:26:33 +0200
Subject: [PATCH] qemu-cvs-ioctl_debug
Extends unsupported ioctl debug output.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Ulrich Hecht <uli@suse.de>
---
linux-user/syscall.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 206dd12..3407fd7 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -3654,7 +3654,12 @@ static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
ie = ioctl_entries;
for(;;) {
if (ie->target_cmd == 0) {
- gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
+ int i;
+ gemu_log("Unsupported ioctl: cmd=0x%04lx (%x)\n", (unsigned long)cmd, (unsigned int)(cmd & (TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) >> TARGET_IOC_SIZESHIFT);
+ for (i = 0; ioctl_entries[i].target_cmd; i++) {
+ if ((ioctl_entries[i].target_cmd & ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) == (cmd & ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)))
+ gemu_log("%p\t->\t%s (%x)\n", (void *)(unsigned long)ioctl_entries[i].host_cmd, ioctl_entries[i].name, (ioctl_entries[i].target_cmd & (TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) >> TARGET_IOC_SIZESHIFT);
+ }
return -TARGET_ENOSYS;
}
if (ie->target_cmd == cmd)