Fix indirect ipc subcall handling
indirect_ipccall used to guess whether currently decoded ipc syscall is
an indirect subcall or not based on generic knowledge, while there is a
robust method to identify indirect ipc subcalls.
* defs.h (TRACE_INDIRECT_SUBCALL): New flag.
* ipc.c (indirect_ipccall): Check it.
* linux/subcall.h: Set it.
diff --git a/defs.h b/defs.h
index d0acb19..ad6eefd 100644
--- a/defs.h
+++ b/defs.h
@@ -548,6 +548,7 @@
#define SYSCALL_NEVER_FAILS 0200 /* Syscall is always successful. */
#define STACKTRACE_INVALIDATE_CACHE 0400 /* Trigger proc/maps cache updating */
#define STACKTRACE_CAPTURE_ON_ENTER 01000 /* Capture stacktrace on "entering" stage */
+#define TRACE_INDIRECT_SUBCALL 02000 /* Syscall is an indirect socket/ipc subcall. */
#if defined(ARM) || defined(AARCH64) \
|| defined(I386) || defined(X32) || defined(X86_64) \