Add clone3.

nya3jp · Jun 3, 2023 · 5f780cb · 5f780cb
1 parent 4d432a5
commit 5f780cb
Show file tree

Hide file tree

Showing 8 changed files with 11 additions and 0 deletions.
diff --git a/src/syscall/sysnums-arm.h b/src/syscall/sysnums-arm.h
@@ -341,4 +341,5 @@ static const Sysnum sysnums_arm[] = {
 	[ 382 ] = PR_renameat2,
 	[ 397 ] = PR_statx,
 	[ 412 ] = PR_utimensat_time64,
+        [ 435 ] = PR_clone3,
 };
diff --git a/src/syscall/sysnums-arm64.h b/src/syscall/sysnums-arm64.h
@@ -264,4 +264,5 @@ static const Sysnum sysnums_arm64[] = {
 	[ 275 ] = PR_sched_getattr,
 	[ 276 ] = PR_renameat2,
 	[ 291 ] = PR_statx,
+        [ 435 ] = PR_clone3,
 };
diff --git a/src/syscall/sysnums-i386.h b/src/syscall/sysnums-i386.h
@@ -353,4 +353,5 @@ static const Sysnum sysnums_i386[] = {
 	[ 353 ] = PR_renameat2,
 	[ 383 ] = PR_statx,
 	[ 412 ] = PR_utimensat_time64,
+        [ 435 ] = PR_clone3,
 };
diff --git a/src/syscall/sysnums-sh4.h b/src/syscall/sysnums-sh4.h
@@ -344,4 +344,5 @@ static const Sysnum sysnums_sh4[] = {
 	[ 369 ] = PR_sched_setattr,
 	[ 370 ] = PR_sched_getattr,
 	[ 371 ] = PR_renameat2,
+        [ 435 ] = PR_clone3,
 };
diff --git a/src/syscall/sysnums-x32.h b/src/syscall/sysnums-x32.h
@@ -277,6 +277,7 @@ static const Sysnum sysnums_x32[] = {
 	[ 315 ] = PR_sched_getattr,
 	[ 316 ] = PR_renameat2,
 	[ 332 ] = PR_statx,
+        [ 435 ] = PR_clone3,
 	[ 439 ] = PR_faccessat2,
 	[ 512 ] = PR_rt_sigaction,
 	[ 513 ] = PR_rt_sigreturn,

diff --git a/src/syscall/sysnums-x86_64.h b/src/syscall/sysnums-x86_64.h
@@ -319,5 +319,6 @@ static const Sysnum sysnums_x86_64[] = {
 	[ 315 ] = PR_sched_getattr,
 	[ 316 ] = PR_renameat2,
 	[ 332 ] = PR_statx,
+        [ 435 ] = PR_clone3,
 	[ 439 ] = PR_faccessat2,
 };
diff --git a/src/syscall/sysnums.list b/src/syscall/sysnums.list
@@ -38,6 +38,7 @@ SYSNUM(clock_gettime)
 SYSNUM(clock_nanosleep)
 SYSNUM(clock_settime)
 SYSNUM(clone)
+SYSNUM(clone3)
 SYSNUM(close)
 SYSNUM(connect)
 SYSNUM(creat)

diff --git a/src/tracee/tracee.c b/src/tracee/tracee.c
@@ -403,6 +403,10 @@ int new_child(Tracee *parent, word_t clone_flags)
 	status = fetch_regs(parent);
 	if (status >= 0 && get_sysnum(parent, CURRENT) == PR_clone)
 		clone_flags = peek_reg(parent, CURRENT, SYSARG_1);
+        else if (status >= 0 && get_sysnum(parent, CURRENT) == PR_clone3)
+                // Look at the first word of the clone_args structure, which
+                // contains the usual clone flags.
+                clone_flags = peek_word(parent, peek_reg(parent, CURRENT, SYSARG_1));
 
 	/* Get the pid of the parent's new child.  */
 	status = ptrace(PTRACE_GETEVENTMSG, parent->pid, NULL, &pid);