Add xmalloc_failed() function to common-utils.c in to avoid the need to link in libib...

[deliverable/binutils-gdb.git] / gdb / mips-linux-nat.c

diff --git a/gdb/mips-linux-nat.c b/gdb/mips-linux-nat.c
index 88faa1edf69200c9353e5914ea090aa2922c00f8..bfe9fcbe687724349f19ad4ea0267df9d1c0c6a7 100644 (file)
--- a/gdb/mips-linux-nat.c
+++ b/gdb/mips-linux-nat.c
@@ -1,6 +1,6 @@
 /* Native-dependent code for GNU/Linux on MIPS processors.
 
-   Copyright (C) 2001-2014 Free Software Foundation, Inc.
+   Copyright (C) 2001-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -32,7 +32,7 @@
 #include "gregset.h"
 
 #include <sgidefs.h>
-#include <sys/ptrace.h>
+#include "nat/gdb_ptrace.h"
 #include <asm/ptrace.h>
 
 #include "nat/mips-linux-watch.h"
@@ -50,10 +50,6 @@
    we'll clear this and use PTRACE_PEEKUSER instead.  */
 static int have_ptrace_regsets = 1;
 
-/* Whether or not to print the mirrored debug registers.  */
-
-static int maint_show_dr;
-
 /* Saved function pointers to fetch and store a single register using
    PTRACE_PEEKUSER and PTRACE_POKEUSER.  */
 
@@ -439,6 +435,7 @@ mips_linux_read_description (struct target_ops *ops)
       if (tid == 0)
        tid = ptid_get_pid (inferior_ptid);
 
+      errno = 0;
       ptrace (PTRACE_PEEKUSER, tid, DSP_CONTROL, 0);
       switch (errno)
        {
@@ -512,7 +509,8 @@ mips_show_dr (const char *func, CORE_ADDR addr,
 
 static int
 mips_linux_can_use_hw_breakpoint (struct target_ops *self,
-                                 int type, int cnt, int ot)
+                                 enum bptype type,
+                                 int cnt, int ot)
 {
   int i;
   uint32_t wanted_mask, irw_mask;
@@ -617,7 +615,7 @@ write_watchpoint_regs (void)
   ALL_LWPS (lp)
     {
       tid = ptid_get_lwp (lp->ptid);
-      if (ptrace (PTRACE_SET_WATCH_REGS, tid, &watch_mirror) == -1)
+      if (ptrace (PTRACE_SET_WATCH_REGS, tid, &watch_mirror, NULL) == -1)
        perror_with_name (_("Couldn't write debug register"));
     }
   return 0;
@@ -637,7 +635,7 @@ mips_linux_new_thread (struct lwp_info *lp)
     return;
 
   tid = ptid_get_lwp (lp->ptid);
-  if (ptrace (PTRACE_SET_WATCH_REGS, tid, &watch_mirror) == -1)
+  if (ptrace (PTRACE_SET_WATCH_REGS, tid, &watch_mirror, NULL) == -1)
     perror_with_name (_("Couldn't write debug register"));
 }
 
@@ -646,7 +644,8 @@ mips_linux_new_thread (struct lwp_info *lp)
 
 static int
 mips_linux_insert_watchpoint (struct target_ops *self,
-                             CORE_ADDR addr, int len, int type,
+                             CORE_ADDR addr, int len,
+                             enum target_hw_bp_type type,
                              struct expression *cond)
 {
   struct pt_watch_regs regs;
@@ -674,8 +673,7 @@ mips_linux_insert_watchpoint (struct target_ops *self,
     return -1;
 
   /* It fit.  Stick it on the end of the list.  */
-  new_watch = (struct mips_watchpoint *)
-    xmalloc (sizeof (struct mips_watchpoint));
+  new_watch = XNEW (struct mips_watchpoint);
   new_watch->addr = addr;
   new_watch->len = len;
   new_watch->type = type;
@@ -689,7 +687,7 @@ mips_linux_insert_watchpoint (struct target_ops *self,
   watch_mirror = regs;
   retval = write_watchpoint_regs ();
 
-  if (maint_show_dr)
+  if (show_debug_regs)
     mips_show_dr ("insert_watchpoint", addr, len, type);
 
   return retval;
@@ -700,7 +698,8 @@ mips_linux_insert_watchpoint (struct target_ops *self,
 
 static int
 mips_linux_remove_watchpoint (struct target_ops *self,
-                             CORE_ADDR addr, int len, int type,
+                             CORE_ADDR addr, int len,
+                             enum target_hw_bp_type type,
                              struct expression *cond)
 {
   int retval;
@@ -737,7 +736,7 @@ mips_linux_remove_watchpoint (struct target_ops *self,
 
   retval = write_watchpoint_regs ();
 
-  if (maint_show_dr)
+  if (show_debug_regs)
     mips_show_dr ("remove_watchpoint", addr, len, type);
 
   return retval;
@@ -774,7 +773,7 @@ _initialize_mips_linux_nat (void)
   struct target_ops *t;
 
   add_setshow_boolean_cmd ("show-debug-regs", class_maintenance,
-                          &maint_show_dr, _("\
+                          &show_debug_regs, _("\
 Set whether to show variables that mirror the mips debug registers."), _("\
 Show whether to show variables that mirror the mips debug registers."), _("\
 Use \"on\" to enable, \"off\" to disable.\n\