qemu/qemu-cvs-ioctl_debug.patch

19 lines
999 B
Diff

Index: qemu/linux-user/syscall.c
===================================================================
--- qemu.orig/linux-user/syscall.c
+++ qemu/linux-user/syscall.c
@@ -1950,7 +1950,12 @@ static long do_ioctl(long fd, long cmd,
ie = ioctl_entries;
for(;;) {
if (ie->target_cmd == 0) {
- gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
+ int i;
+ gemu_log("Unsupported ioctl: cmd=0x%04lx (%x)\n", cmd, (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", ioctl_entries[i].host_cmd, ioctl_entries[i].name, (ioctl_entries[i].target_cmd & (TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) >> TARGET_IOC_SIZESHIFT);
+ }
return -ENOSYS;
}
if (ie->target_cmd == cmd)