On Fri, Jul 15, 2016 at 8:32 AM, John Baldwin <j...@freebsd.org> wrote: > Author: jhb > Date: Fri Jul 15 15:32:09 2016 > New Revision: 302902 > URL: https://svnweb.freebsd.org/changeset/base/302902 > > Log: > Add a mask of optional ptrace() events. > > ptrace() now stores a mask of optional events in p_ptevents. Currently > this mask is a single integer, but it can be expanded into an array of > integers in the future. > > Two new ptrace requests can be used to manipulate the event mask: > PT_GET_EVENT_MASK fetches the current event mask and PT_SET_EVENT_MASK > sets the current event mask. > > The current set of events include: > - PTRACE_EXEC: trace calls to execve(). > - PTRACE_SCE: trace system call entries. > - PTRACE_SCX: trace syscam call exits. > - PTRACE_FORK: trace forks and auto-attach to new child processes. > - PTRACE_LWP: trace LWP events. > > The S_PT_SCX and S_PT_SCE events in the procfs p_stops flags have > been replaced by PTRACE_SCE and PTRACE_SCX. PTRACE_FORK replaces > P_FOLLOW_FORK and PTRACE_LWP replaces P2_LWP_EVENTS. > > The PT_FOLLOW_FORK and PT_LWP_EVENTS ptrace requests remain for > compatibility but now simply toggle corresponding flags in the > event mask. > > While here, document that PT_SYSCALL, PT_TO_SCE, and PT_TO_SCX both > modify the event mask and continue the traced process. > > Reviewed by: kib > MFC after: 1 month > Differential Revision: https://reviews.freebsd.org/D7044
This broke linux(4): https://jenkins.freebsd.org/job/FreeBSD_HEAD_i386/3597/ . Thanks, -Ngie _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
