ripple/minitrace: add set_tid_address, set_robust_list, and getrandom

With this, minitrace has all the syscalls needed to run cc1.

Change-Id: Iaeef58769f69d64e192af2270eb520e891daec94

1 files changed, 30 insertions, 0 deletions

diff --git a/ripple/minitrace/src/main.rs b/ripple/minitrace/src/main.rs
index bc22563..3f0041f 100644
--- a/ripple/minitrace/src/main.rs
+++ b/ripple/minitrace/src/main.rs
@@ -273,6 +273,12 @@ fn check_syscall(process: &Process, entry: SyscallEntry) -> bool {
 			}
 		}
 
+		// set_tid_address
+		218 => {
+			let [_tidptr, ..] = entry.args;
+			println!("set_tid_address(..)");
+		}
+
 		// exit_group
 		231 => {}
 
@@ -305,6 +311,15 @@ fn check_syscall(process: &Process, entry: SyscallEntry) -> bool {
 			println!("newfstatat(AT_FDCWD, {:?}, ..)", pathname);
 		}
 
+		// set_robust_list
+		273 => {
+			let [_head, len, ..] = entry.args;
+			if len != 24 {
+				panic!("set_robust_list(2) len should be sizeof (struct robust_list_head), actually {}", len);
+			}
+			println!("set_robust_list(..)");
+		}
+
 		// prlimit64
 		302 => {
 			let [pid, resource, _new_limit, _old_limit, ..] = entry.args;
@@ -319,6 +334,16 @@ fn check_syscall(process: &Process, entry: SyscallEntry) -> bool {
 			}
 		}
 
+		// getrandom
+		318 => {
+			let [_buf, buflen, flags, ..] = entry.args;
+			let flags = flags
+				.try_into()
+				.expect("getrandom(2) flags don't fit in u32");
+			let flags = GrndFlags::from_bits(flags).expect("unknown getrandom(2) flags");
+			println!("getrandom(.., {}, {:?})", buflen, flags);
+		}
+
 		_ => return false,
 	}
 	true
@@ -332,4 +357,9 @@ bitflags! {
 		const TRUNC   = 0o00001000;
 		const CLOEXEC = 0o02000000;
 	}
+
+	struct GrndFlags: u32 {
+		const GRND_NONBLOCK = 1 << 0;
+		const GRND_RANDOM = 1 << 1;
+	}
 }