1 files changed, 32 insertions, 0 deletions
diff --git a/devel/gdb/files/patch-gdb-amd64-bsd-nat.c b/devel/gdb/files/patch-gdb-amd64-bsd-nat.c
new file mode 100644
index 000000000000..3741d942a985
--- /dev/null
+++ b/devel/gdb/files/patch-gdb-amd64-bsd-nat.c
@@ -0,0 +1,32 @@
+diff --git gdb/amd64-bsd-nat.c gdb/amd64-bsd-nat.c
+index ca61a3551b..0f875f8296 100644
+--- gdb/amd64-bsd-nat.c
++++ gdb/amd64-bsd-nat.c
+@@ -28,6 +28,7 @@
+ #include <sys/types.h>
+ #include <sys/ptrace.h>
+ #include <machine/reg.h>
++#include <machine/psl.h>
+ 
+ #include "amd64-tdep.h"
+ #include "amd64-nat.h"
+@@ -95,12 +96,19 @@ amd64bsd_store_inferior_registers (struct target_ops *ops,
+   if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
+     {
+       struct reg regs;
++      register_t old_rflags;
+ 
+       if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+         perror_with_name (_("Couldn't get registers"));
+ 
++      old_rflags = regs.r_rflags;
+       amd64_collect_native_gregset (regcache, &regs, regnum);
+ 
++      /* This is a workaround about the PSL_USERCHANGE posix limitation.  */
++      if ((regs.r_rflags ^ old_rflags ) & ~PSL_USERCHANGE)
++        {
++          regs.r_rflags ^= (regs.r_rflags ^ old_rflags ) & ~PSL_USERCHANGE;
++        }
+       if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+         perror_with_name (_("Couldn't write registers"));
+