Switch the license of all .c files to GPLv3.

[thirdparty/binutils-gdb.git] / gdb / gdbserver / spu-low.c

diff --git a/gdb/gdbserver/spu-low.c b/gdb/gdbserver/spu-low.c
index 3599208b2617e40007e8882413fffe80ddc4f95e..a8f7df30575340d50461c8d56a86ad2cb22f6671 100644 (file)
--- a/gdb/gdbserver/spu-low.c
+++ b/gdb/gdbserver/spu-low.c
@@ -7,7 +7,7 @@
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -16,9 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "server.h"
 
@@ -58,7 +56,6 @@
 
 /* These are used in remote-utils.c.  */
 int using_threads = 0;
-int debug_threads = 0;
 
 
 /* Fetch PPU register REGNO.  */
@@ -249,7 +246,7 @@ spu_proc_xfer_spu (const char *annex, unsigned char *readbuf,
       && lseek (fd, (off_t) offset, SEEK_SET) != (off_t) offset)
     {
       close (fd);
-      return -1;
+      return 0;
     }
 
   if (writebuf)
@@ -280,6 +277,8 @@ spu_create_inferior (char *program, char **allargs)
       setpgid (0, 0);
 
       execv (program, allargs);
+      if (errno == ENOENT)
+       execvp (program, allargs);
 
       fprintf (stderr, "Cannot exec %s: %s.\n", program,
               strerror (errno));
@@ -315,10 +314,23 @@ spu_kill (void)
 }
 
 /* Detach from inferior process.  */
-static void
+static int
 spu_detach (void)
 {
   ptrace (PTRACE_DETACH, current_tid, 0, 0);
+  return 0;
+}
+
+static void
+spu_join (void)
+{
+  int status, ret;
+
+  do {
+    ret = waitpid (current_tid, &status, 0);
+    if (WIFEXITED (status) || WIFSIGNALED (status))
+      break;
+  } while (ret != -1 || errno != ECHILD);
 }
 
 /* Return nonzero if the given thread is still alive.  */
@@ -551,9 +563,9 @@ spu_look_up_symbols (void)
 
 /* Send signal to inferior.  */
 static void
-spu_send_signal (int signo)
+spu_request_interrupt (void)
 {
-  syscall (SYS_tkill, current_tid, signo);
+  syscall (SYS_tkill, current_tid, SIGINT);
 }
 
 static const char *
@@ -562,12 +574,12 @@ spu_arch_string (void)
   return "spu";
 }
 
-\f
 static struct target_ops spu_target_ops = {
   spu_create_inferior,
   spu_attach,
   spu_kill,
   spu_detach,
+  spu_join,
   spu_thread_alive,
   spu_resume,
   spu_wait,
@@ -576,7 +588,7 @@ static struct target_ops spu_target_ops = {
   spu_read_memory,
   spu_write_memory,
   spu_look_up_symbols,
-  spu_send_signal,
+  spu_request_interrupt,
   NULL,
   NULL,
   NULL,
@@ -585,6 +597,7 @@ static struct target_ops spu_target_ops = {
   NULL,
   NULL,
   spu_arch_string,
+  spu_proc_xfer_spu,
 };
 
 void