From 5077bfff905136e9d9a8fdf0886f6217887622ad Mon Sep 17 00:00:00 2001 From: John Baldwin Date: Mon, 27 Jun 2016 17:44:58 -0700 Subject: [PATCH] Set debug registers on all threads belonging to the current inferior. gdb/ChangeLog: * x86bsd-nat.c: Include 'gdbthread.h'. (x86bsd_dr_set): Set debug registers on all threads belonging to the current inferior. --- gdb/ChangeLog | 6 ++++++ gdb/x86bsd-nat.c | 12 +++++++++--- 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 0089d6804a2..e4f7e3ae520 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2016-07-01 John Baldwin + + * x86bsd-nat.c: Include 'gdbthread.h'. + (x86bsd_dr_set): Set debug registers on all threads belonging to + the current inferior. + 2016-07-01 John Baldwin * Makefile.in [HFILES_NO_SRCDIR]: Replace 'amd64bsd-nat.h' with diff --git a/gdb/x86bsd-nat.c b/gdb/x86bsd-nat.c index 0c568487f6d..bde25ab7724 100644 --- a/gdb/x86bsd-nat.c +++ b/gdb/x86bsd-nat.c @@ -19,6 +19,7 @@ #include "defs.h" #include "inferior.h" +#include "gdbthread.h" /* We include to make sure `struct fxsave64' is defined on NetBSD, since NetBSD's needs it. */ @@ -71,6 +72,7 @@ x86bsd_dr_get (ptid_t ptid, int regnum) static void x86bsd_dr_set (int regnum, unsigned long value) { + struct thread_info *thread; struct dbreg dbregs; if (ptrace (PT_GETDBREGS, get_ptrace_pid (inferior_ptid), @@ -84,9 +86,13 @@ x86bsd_dr_set (int regnum, unsigned long value) DBREG_DRX ((&dbregs), regnum) = value; - if (ptrace (PT_SETDBREGS, get_ptrace_pid (inferior_ptid), - (PTRACE_TYPE_ARG3) &dbregs, 0) == -1) - perror_with_name (_("Couldn't write debug registers")); + ALL_NON_EXITED_THREADS (thread) + if (thread->inf == current_inferior ()) + { + if (ptrace (PT_SETDBREGS, get_ptrace_pid (thread->ptid), + (PTRACE_TYPE_ARG3) &dbregs, 0) == -1) + perror_with_name (_("Couldn't write debug registers")); + } } static void -- 2.30.2