print_address (addr, info->stream);
}
-/* Read an integer from debugged memory, given address and number of bytes. */
+/* Argument / return result struct for use with
+ do_captured_read_memory_integer(). MEMADDR and LEN are filled in
+ by gdb_read_memory_integer(). RESULT is the contents that were
+ successfully read from MEMADDR of length LEN. */
+
+struct captured_read_memory_integer_arguments
+{
+ CORE_ADDR memaddr;
+ int len;
+ LONGEST result;
+};
+
+/* Helper function for gdb_read_memory_integer(). DATA must be a
+ pointer to a captured_read_memory_integer_arguments struct.
+ Return 1 if successful. Note that the catch_errors() interface
+ will return 0 if an error occurred while reading memory. This
+ choice of return code is so that we can distinguish between
+ success and failure. */
+
+static int
+do_captured_read_memory_integer (void *data)
+{
+ struct captured_read_memory_integer_arguments *args = (struct captured_read_memory_integer_arguments*) data;
+ CORE_ADDR memaddr = args->memaddr;
+ int len = args->len;
+
+ args->result = read_memory_integer (memaddr, 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_integer (CORE_ADDR memaddr, int len, LONGEST *return_value)
+{
+ int status;
+ struct captured_read_memory_integer_arguments args;
+ args.memaddr = memaddr;
+ args.len = len;
+
+ status = catch_errors (do_captured_read_memory_integer, &args,
+ "", RETURN_MASK_ALL);
+ if (status)
+ *return_value = args.result;
+
+ return status;
+}
LONGEST
read_memory_integer (CORE_ADDR memaddr, int len)
"Use FILE as core dump for examining memory and registers.\n\
No arg means have no core file. This command has been superseded by the\n\
`target core' and `detach' commands.", &cmdlist);
- c->completer = filename_completer;
+ set_cmd_completer (c, filename_completer);
c = add_set_cmd ("gnutarget", class_files, var_string_noescape,
(char *) &gnutarget_string,
"Set the current BFD target.\n\
Use `set gnutarget auto' to specify automatic detection.",
&setlist);
- c->function.sfunc = set_gnutarget_command;
+ set_cmd_sfunc (c, set_gnutarget_command);
add_show_from_set (c, &showlist);
if (getenv ("GNUTARGET"))