Use XCNEW rather than xcalloc (1, ...) in linux-x86-low.c

[deliverable/binutils-gdb.git] / gdb / amd64obsd-tdep.c

diff --git a/gdb/amd64obsd-tdep.c b/gdb/amd64obsd-tdep.c
index 4d592e2049655b5f643ecf42fdb7341558ab2d3a..ef0c0c2f8534e7b72e7b58f882619b8e1d19a667 100644 (file)
--- a/gdb/amd64obsd-tdep.c
+++ b/gdb/amd64obsd-tdep.c
@@ -1,7 +1,6 @@
 /* Target-dependent code for OpenBSD/amd64.
 
-   Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 2003-2014 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -30,9 +29,7 @@
 #include "target.h"
 #include "trad-frame.h"
 
-#include "gdb_assert.h"
-#include "gdb_string.h"
-
+#include "obsd-tdep.h"
 #include "amd64-tdep.h"
 #include "i387-tdep.h"
 #include "solib-svr4.h"
@@ -45,7 +42,8 @@ amd64obsd_supply_regset (const struct regset *regset,
                         struct regcache *regcache, int regnum,
                         const void *regs, size_t len)
 {
-  const struct gdbarch_tdep *tdep = gdbarch_tdep (regset->arch);
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  const struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 
   gdb_assert (len >= tdep->sizeof_gregset + I387_SIZEOF_FXSAVE);
 
@@ -54,6 +52,11 @@ amd64obsd_supply_regset (const struct regset *regset,
                       ((const gdb_byte *)regs) + tdep->sizeof_gregset);
 }
 
+static const struct regset amd64obsd_combined_regset =
+  {
+    NULL, amd64obsd_supply_regset, NULL
+  };
+
 static const struct regset *
 amd64obsd_regset_from_core_section (struct gdbarch *gdbarch,
                                    const char *sect_name, size_t sect_size)
@@ -65,11 +68,7 @@ amd64obsd_regset_from_core_section (struct gdbarch *gdbarch,
 
   if (strcmp (sect_name, ".reg") == 0
       && sect_size >= tdep->sizeof_gregset + I387_SIZEOF_FXSAVE)
-    {
-      if (tdep->gregset == NULL)
-        tdep->gregset = regset_alloc (gdbarch, amd64obsd_supply_regset, NULL);
-      return tdep->gregset;
-    }
+    return &amd64obsd_combined_regset;
 
   return NULL;
 }
@@ -102,7 +101,7 @@ amd64obsd_sigtramp_p (struct frame_info *this_frame)
   };
   size_t buflen = (sizeof sigreturn) + 1;
   gdb_byte *buf;
-  char *name;
+  const char *name;
 
   /* If the function has a valid symbol name, it isn't a
      trampoline.  */
@@ -361,7 +360,7 @@ amd64obsd_trapframe_cache (struct frame_info *this_frame, void **this_cache)
   struct trad_frame_cache *cache;
   CORE_ADDR func, sp, addr;
   ULONGEST cs;
-  char *name;
+  const char *name;
   int i;
 
   if (*this_cache)
@@ -426,7 +425,7 @@ amd64obsd_trapframe_sniffer (const struct frame_unwind *self,
                             void **this_prologue_cache)
 {
   ULONGEST cs;
-  char *name;
+  const char *name;
 
   /* Check Current Privilege Level and bail out if we're not executing
      in kernel space.  */
@@ -460,6 +459,7 @@ amd64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 
   amd64_init_abi (info, gdbarch);
+  obsd_init_abi (info, gdbarch);
 
   /* Initialize general-purpose register set details.  */
   tdep->gregset_reg_offset = amd64obsd_r_reg_offset;