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qemu/qemu-cvs-ioctl_debug.patch
2022-05-27 12:52:53 +00:00

42 lines
1.8 KiB
Diff

From: Alexander Graf <agraf@suse.de>
Date: Tue, 14 Apr 2009 16:26:33 +0200
Subject: 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>
[BR: minor edits to pass qemu's checkpatch script]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
linux-user/syscall.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 5da0c1e2be709e7fcbbe34235813..ad8e36a3e6e37a5cec02dd867776 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5699,8 +5699,21 @@ static abi_long do_ioctl(int fd, int cmd, abi_long arg)
ie = ioctl_entries;
for(;;) {
if (ie->target_cmd == 0) {
+ int i;
qemu_log_mask(
- LOG_UNIMP, "Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
+ LOG_UNIMP, "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)))
+ qemu_log_mask(
+ LOG_UNIMP, "%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)