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commit 5077bfff905136e9d9a8fdf0886f6217887622ad
Author: John Baldwin <jhb@FreeBSD.org>
Date: Mon Jun 27 17:44:58 2016 -0700
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.
diff --git gdb/x86bsd-nat.c gdb/x86bsd-nat.c
index 0c56848..bde25ab 100644
--- gdb/x86bsd-nat.c
+++ gdb/x86bsd-nat.c
@@ -19,6 +19,7 @@
#include "defs.h"
#include "inferior.h"
+#include "gdbthread.h"
/* We include <signal.h> to make sure `struct fxsave64' is defined on
NetBSD, since NetBSD's <machine/reg.h> 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
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