X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fcorefile.c;h=5ad4d40ec66f703569ce7250184cb35c08bbc28e;hb=93692b589dc7017d5a2fbdffdfad5f84f597d8f1;hp=eba36d6419aa76bc9d5be4c7a14cf328a4a6f1b3;hpb=8d7493201cf01c9836403695f67f7e157341bfd5;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/corefile.c b/gdb/corefile.c
index eba36d6419..5ad4d40ec6 100644
--- a/gdb/corefile.c
+++ b/gdb/corefile.c
@@ -1,6 +1,6 @@
 /* Core dump and executable file functions above target vector, for GDB.
 
-   Copyright (C) 1986-2015 Free Software Foundation, Inc.
+   Copyright (C) 1986-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -273,7 +273,7 @@ read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len)
 
   status = target_read_stack (memaddr, myaddr, len);
   if (status != 0)
-    memory_error (status, memaddr);
+    memory_error (TARGET_XFER_E_IO, memaddr);
 }
 
 /* Same as target_read_code, but report an error if can't read.  */
@@ -285,7 +285,7 @@ read_code (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len)
 
   status = target_read_code (memaddr, myaddr, len);
   if (status != 0)
-    memory_error (status, memaddr);
+    memory_error (TARGET_XFER_E_IO, memaddr);
 }
 
 /* Read memory at MEMADDR of length LEN and put the contents in
@@ -306,6 +306,24 @@ safe_read_memory_integer (CORE_ADDR memaddr, int len,
   return 1;
 }
 
+/* Read memory at MEMADDR of length LEN and put the contents in
+   RETURN_VALUE.  Return 0 if MEMADDR couldn't be read and non-zero
+   if successful.  */
+
+int
+safe_read_memory_unsigned_integer (CORE_ADDR memaddr, int len,
+				   enum bfd_endian byte_order,
+				   ULONGEST *return_value)
+{
+  gdb_byte buf[sizeof (ULONGEST)];
+
+  if (target_read_memory (memaddr, buf, len))
+    return 0;
+
+  *return_value = extract_unsigned_integer (buf, len, byte_order);
+  return 1;
+}
+
 LONGEST
 read_memory_integer (CORE_ADDR memaddr, int len,
 		     enum bfd_endian byte_order)
@@ -376,7 +394,7 @@ read_memory_string (CORE_ADDR memaddr, char *buffer, int max_len)
 CORE_ADDR
 read_memory_typed_address (CORE_ADDR addr, struct type *type)
 {
-  gdb_byte *buf = alloca (TYPE_LENGTH (type));
+  gdb_byte *buf = (gdb_byte *) alloca (TYPE_LENGTH (type));
 
   read_memory (addr, buf, TYPE_LENGTH (type));
   return extract_typed_address (buf, type);
@@ -392,7 +410,7 @@ write_memory (CORE_ADDR memaddr,
 
   status = target_write_memory (memaddr, myaddr, len);
   if (status != 0)
-    memory_error (status, memaddr);
+    memory_error (TARGET_XFER_E_IO, memaddr);
 }
 
 /* Same as write_memory, but notify 'memory_changed' observers.  */
@@ -412,7 +430,7 @@ write_memory_unsigned_integer (CORE_ADDR addr, int len,
 			       enum bfd_endian byte_order,
 			       ULONGEST value)
 {
-  gdb_byte *buf = alloca (len);
+  gdb_byte *buf = (gdb_byte *) alloca (len);
 
   store_unsigned_integer (buf, len, byte_order, value);
   write_memory (addr, buf, len);
@@ -425,7 +443,7 @@ write_memory_signed_integer (CORE_ADDR addr, int len,
 			     enum bfd_endian byte_order,
 			     LONGEST value)
 {
-  gdb_byte *buf = alloca (len);
+  gdb_byte *buf = (gdb_byte *) alloca (len);
 
   store_signed_integer (buf, len, byte_order, value);
   write_memory (addr, buf, len);
@@ -480,7 +498,7 @@ complete_set_gnutarget (struct cmd_list_element *cmd,
       for (last = 0; bfd_targets[last] != NULL; ++last)
 	;
 
-      bfd_targets = xrealloc (bfd_targets, (last + 2) * sizeof (const char **));
+      bfd_targets = XRESIZEVEC (const char *, bfd_targets, last + 2);
       bfd_targets[last] = "auto";
       bfd_targets[last + 1] = NULL;
     }