linux-user: Add strace support for printing arguments of llseek

Some target are using llseek instead of _llseek like riscv,
nios2, hexagon, and openrisc.

Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210512101358.122781-1-kito.cheng@sifive.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/strace.c

@@ -2341,7 +2341,7 @@ print_linkat(void *cpu_env, const struct syscallname *name,
 }
 #endif
 
-#ifdef TARGET_NR__llseek
+#if defined(TARGET_NR__llseek) || defined(TARGET_NR_llseek)
 static void
 print__llseek(void *cpu_env, const struct syscallname *name,
               abi_long arg0, abi_long arg1, abi_long arg2,
@@ -2361,6 +2361,7 @@ print__llseek(void *cpu_env, const struct syscallname *name,
     qemu_log("%s", whence);
     print_syscall_epilogue(name);
 }
+#define print_llseek print__llseek
 #endif
 
 #ifdef TARGET_NR_lseek

linux-user/strace.list

@@ -511,6 +511,9 @@
 #ifdef TARGET_NR__llseek
 { TARGET_NR__llseek, "_llseek" , NULL, print__llseek, NULL },
 #endif
+#ifdef TARGET_NR_llseek
+{ TARGET_NR_llseek, "llseek" , NULL, print_llseek, NULL },
+#endif
 #ifdef TARGET_NR_lock
 { TARGET_NR_lock, "lock" , NULL, NULL, NULL },
 #endif