Fix shared library load in gdb.base/global-var-nested-by-dso.exp.

[deliverable/binutils-gdb.git] / gdb / gdbarch.sh

diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh
index a3c903e7458746cfe920fad233649f7bcb78884c..388920fd1b5a5196cadc5490fd4f131036af596e 100755 (executable)
--- a/gdb/gdbarch.sh
+++ b/gdb/gdbarch.sh
@@ -763,6 +763,10 @@ V:ULONGEST:max_insn_length:::0:0
 # If your architecture doesn't need to adjust instructions before
 # single-stepping them, consider using simple_displaced_step_copy_insn
 # here.
+#
+# If the instruction cannot execute out of line, return NULL.  The
+# core falls back to stepping past the instruction in-line instead in
+# that case.
 M:struct displaced_step_closure *:displaced_step_copy_insn:CORE_ADDR from, CORE_ADDR to, struct regcache *regs:from, to, regs
 
 # Return true if GDB should use hardware single-stepping to execute
@@ -1018,7 +1022,7 @@ v:int:has_global_breakpoints:::0:0::0
 m:int:has_shared_address_space:void:::default_has_shared_address_space::0
 
 # True if a fast tracepoint can be set at an address.
-m:int:fast_tracepoint_valid_at:CORE_ADDR addr, int *isize, char **msg:addr, isize, msg::default_fast_tracepoint_valid_at::0
+m:int:fast_tracepoint_valid_at:CORE_ADDR addr, char **msg:addr, msg::default_fast_tracepoint_valid_at::0
 
 # Return the "auto" target charset.
 f:const char *:auto_charset:void::default_auto_charset:default_auto_charset::0
@@ -1113,6 +1117,12 @@ m:char *:gcc_target_options:void:::default_gcc_target_options::0
 # returns the BFD architecture name, which is correct in nearly every
 # case.
 m:const char *:gnu_triplet_regexp:void:::default_gnu_triplet_regexp::0
+
+# Return the size in 8-bit bytes of an addressable memory unit on this
+# architecture.  This corresponds to the number of 8-bit bytes associated to
+# each address in memory.
+m:int:addressable_memory_unit_size:void:::default_addressable_memory_unit_size::0
+
 EOF
 }
 
@@ -1476,6 +1486,11 @@ extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
 
+/* Duplicate STRING, returning an equivalent string that's allocated on the
+   obstack associated with GDBARCH.  The string is freed when the corresponding
+   architecture is also freed.  */
+
+extern char *gdbarch_obstack_strdup (struct gdbarch *arch, const char *string);
 
 /* Helper function.  Force an update of the current architecture.
 
@@ -1731,7 +1746,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
      then use that to allocate the architecture vector.  */
   struct obstack *obstack = XNEW (struct obstack);
   obstack_init (obstack);
-  gdbarch = obstack_alloc (obstack, sizeof (*gdbarch));
+  gdbarch = XOBNEW (obstack, struct gdbarch);
   memset (gdbarch, 0, sizeof (*gdbarch));
   gdbarch->obstack = obstack;
 
@@ -1781,6 +1796,14 @@ gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
   return data;
 }
 
+/* See gdbarch.h.  */
+
+char *
+gdbarch_obstack_strdup (struct gdbarch *arch, const char *string)
+{
+  return obstack_strdup (arch->obstack, string);
+}
+
 
 /* Free a gdbarch struct.  This should never happen in normal
    operation --- once you've created a gdbarch, you keep it around.
@@ -2191,7 +2214,7 @@ static struct gdbarch_registration *gdbarch_registry = NULL;
 static void
 append_name (const char ***buf, int *nr, const char *name)
 {
-  *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
+  *buf = XRESIZEVEC (const char *, *buf, *nr + 1);
   (*buf)[*nr] = name;
   *nr += 1;
 }