#include "defs.h"
#include "gdb_assert.h"
+#include "gdb_string.h"
#include <errno.h>
#include <signal.h>
#include <sys/ptrace.h>
#include "gdbcmd.h"
static int debug_lin_lwp;
-extern const char *strsignal (int sig);
+extern char *strsignal (int sig);
/* On GNU/Linux there are no real LWP's. The closest thing to LWP's
are processes sharing the same VM space. A multi-threaded process
struct lwp_info *lp;
int resume_all;
- /* Apparently the interpretation of PID is dependent on STEP: If
- STEP is non-zero, a specific PID means `step only this process
- id'. But if STEP is zero, then PID means `continue *all*
- processes, but give the signal only to this one'. */
- resume_all = (PIDGET (ptid) == -1) || !step;
+ /* A specific PTID means `step only this process id'. */
+ resume_all = (PIDGET (ptid) == -1);
if (resume_all)
iterate_over_lwps (resume_set_callback, NULL);
child_ops.to_mourn_inferior ();
}
-static void
-lin_lwp_fetch_registers (int regno)
-{
- struct cleanup *old_chain = save_inferior_ptid ();
-
- if (is_lwp (inferior_ptid))
- inferior_ptid = pid_to_ptid (GET_LWP (inferior_ptid));
-
- fetch_inferior_registers (regno);
-
- do_cleanups (old_chain);
-}
-
-static void
-lin_lwp_store_registers (int regno)
-{
- struct cleanup *old_chain = save_inferior_ptid ();
-
- if (is_lwp (inferior_ptid))
- inferior_ptid = pid_to_ptid (GET_LWP (inferior_ptid));
-
- store_inferior_registers (regno);
-
- do_cleanups (old_chain);
-}
-
static int
lin_lwp_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
struct mem_attrib *attrib,
if (is_lwp (inferior_ptid))
inferior_ptid = pid_to_ptid (GET_LWP (inferior_ptid));
- xfer = child_xfer_memory (memaddr, myaddr, len, write, attrib, target);
+ xfer = linux_proc_xfer_memory (memaddr, myaddr, len, write, attrib, target);
+ if (xfer == 0)
+ xfer = child_xfer_memory (memaddr, myaddr, len, write, attrib, target);
do_cleanups (old_chain);
return xfer;
lin_lwp_ops.to_detach = lin_lwp_detach;
lin_lwp_ops.to_resume = lin_lwp_resume;
lin_lwp_ops.to_wait = lin_lwp_wait;
- lin_lwp_ops.to_fetch_registers = lin_lwp_fetch_registers;
- lin_lwp_ops.to_store_registers = lin_lwp_store_registers;
+ /* fetch_inferior_registers and store_inferior_registers will
+ honor the LWP id, so we can use them directly. */
+ lin_lwp_ops.to_fetch_registers = fetch_inferior_registers;
+ lin_lwp_ops.to_store_registers = store_inferior_registers;
lin_lwp_ops.to_xfer_memory = lin_lwp_xfer_memory;
lin_lwp_ops.to_kill = lin_lwp_kill;
lin_lwp_ops.to_create_inferior = lin_lwp_create_inferior;