Date: Thu, 21 Jun 2018 21:15:05 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r335505 - head/sys/compat/linux Message-ID: <201806212115.w5LLF5Mj057047@repo.freebsd.org>
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Author: kib Date: Thu Jun 21 21:15:04 2018 New Revision: 335505 URL: https://svnweb.freebsd.org/changeset/base/335505 Log: linux_clone_thread: mark new thread as TDB_BORN. So that the ptrace code will catch it and report it to attached debugger. Enables debugging of threaded Linux binaries with FreeBSD debugger. Submitted by: Yanko Yankulov <yanko.yankulov@gmail.com> MFC after: 1 week Differential revision: https://reviews.freebsd.org/D15880 Modified: head/sys/compat/linux/linux_fork.c Modified: head/sys/compat/linux/linux_fork.c ============================================================================== --- head/sys/compat/linux/linux_fork.c Thu Jun 21 21:12:49 2018 (r335504) +++ head/sys/compat/linux/linux_fork.c Thu Jun 21 21:15:04 2018 (r335505) @@ -40,6 +40,7 @@ __FBSDID("$FreeBSD$"); #include <sys/lock.h> #include <sys/mutex.h> #include <sys/proc.h> +#include <sys/ptrace.h> #include <sys/racct.h> #include <sys/sched.h> #include <sys/syscallsubr.h> @@ -352,6 +353,9 @@ linux_clone_thread(struct thread *td, struct linux_clo thread_unlock(td); if (P_SHOULDSTOP(p)) newtd->td_flags |= TDF_ASTPENDING | TDF_NEEDSUSPCHK; + + if (p->p_ptevents & PTRACE_LWP) + newtd->td_dbgflags |= TDB_BORN; PROC_UNLOCK(p); tidhash_add(newtd);
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