[10/10] linux-user: Add strace for recvfrom()

Commit Message

Richard Henderson Oct. 5, 2024, 11:33 p.m. UTC

From: Philippe Mathieu-Daudé <[e-mail]>

Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
Message-ID: <[e-mail]>
[rth: Do not dump output buffers.]
Signed-off-by: Richard Henderson <[e-mail]>
---
 linux-user/strace.c    | 17 +++++++++++++++++
 linux-user/strace.list |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)

Patch

diff --git a/linux-user/strace.c b/linux-user/strace.c
index 0263e6a396..c3eb3a2706 100644
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -3142,6 +3142,23 @@  print_bind(CPUArchState *cpu_env, const struct syscallname *name,
 }
 #endif
 
+#ifdef TARGET_NR_recvfrom
+static void
+print_recvfrom(CPUArchState *cpu_env, const struct syscallname *name,
+               abi_long arg0, abi_long arg1, abi_long arg2,
+               abi_long arg3, abi_long arg4, abi_long arg5)
+{
+    print_syscall_prologue(name);
+    print_sockfd(arg0, 0);
+    print_pointer(arg1, 0); /* output */
+    print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
+    print_flags(msg_flags, arg3, 0);
+    print_pointer(arg4, 0); /* output */
+    print_pointer(arg5, 1); /* in/out */
+    print_syscall_epilogue(name);
+}
+#endif
+
 #ifdef TARGET_NR_sendto
 static void
 print_sendto(CPUArchState *cpu_env, const struct syscallname *name,
diff --git a/linux-user/strace.list b/linux-user/strace.list
index 64d24e16d0..0d69fb3150 100644
--- a/linux-user/strace.list
+++ b/linux-user/strace.list
@@ -1138,7 +1138,7 @@ 
 { TARGET_NR_recv, "recv" , "%s(%d,%p,%u,%d)", NULL, NULL },
 #endif
 #ifdef TARGET_NR_recvfrom
-{ TARGET_NR_recvfrom, "recvfrom" , NULL, NULL, NULL },
+{ TARGET_NR_recvfrom, "recvfrom" , NULL, print_recvfrom, NULL },
 #endif
 #ifdef TARGET_NR_recvmmsg
 { TARGET_NR_recvmmsg, "recvmmsg" , NULL, NULL, NULL },