/* Core dump and executable file functions above target vector, for GDB.
- Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1996, 1997, 1998,
- 1999, 2000, 2001
- Free Software Foundation, Inc.
+
+ Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1996, 1997,
+ 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
This file is part of GDB.
memory_error (status, memaddr);
}
-/* Like target_read_memory, but slightly different parameters. */
-int
-dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr, unsigned int len,
- disassemble_info *info)
-{
- return target_read_memory (memaddr, (char *) myaddr, len);
-}
+/* 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. */
-/* Like memory_error with slightly different parameters. */
-void
-dis_asm_memory_error (int status, bfd_vma memaddr, disassemble_info *info)
+struct captured_read_memory_integer_arguments
{
- memory_error (status, memaddr);
-}
-
-/* Like print_address with slightly different parameters. */
-void
-dis_asm_print_address (bfd_vma addr, struct disassemble_info *info)
+ 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)
{
- print_address (addr, info->stream);
+ 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;
}
-/* Same as target_write_memory, but report an error if can't write. */
-void
-write_memory (CORE_ADDR memaddr, char *myaddr, int len)
+/* 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 = target_write_memory (memaddr, myaddr, len);
- if (status != 0)
- memory_error (status, memaddr);
-}
+ status = catch_errors (do_captured_read_memory_integer, &args,
+ "", RETURN_MASK_ALL);
+ if (status)
+ *return_value = args.result;
-/* Read an integer from debugged memory, given address and number of bytes. */
+ return status;
+}
LONGEST
read_memory_integer (CORE_ADDR memaddr, int len)
void
read_memory_string (CORE_ADDR memaddr, char *buffer, int max_len)
{
- register char *cp;
- register int i;
+ char *cp;
+ int i;
int cnt;
cp = buffer;
break;
}
}
+
+CORE_ADDR
+read_memory_typed_address (CORE_ADDR addr, struct type *type)
+{
+ char *buf = alloca (TYPE_LENGTH (type));
+ read_memory (addr, buf, TYPE_LENGTH (type));
+ return extract_typed_address (buf, type);
+}
+
+/* Same as target_write_memory, but report an error if can't write. */
+void
+write_memory (CORE_ADDR memaddr, char *myaddr, int len)
+{
+ int status;
+
+ status = target_write_memory (memaddr, myaddr, len);
+ if (status != 0)
+ memory_error (status, memaddr);
+}
+
+/* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
+void
+write_memory_unsigned_integer (CORE_ADDR addr, int len, ULONGEST value)
+{
+ char *buf = alloca (len);
+ store_unsigned_integer (buf, len, value);
+ write_memory (addr, buf, len);
+}
+
+/* Store VALUE at ADDR in the inferior as a LEN-byte signed integer. */
+void
+write_memory_signed_integer (CORE_ADDR addr, int len, LONGEST value)
+{
+ char *buf = alloca (len);
+ store_signed_integer (buf, len, value);
+ write_memory (addr, buf, len);
+}
+
\f
#if 0
static void
set_gnutarget_command (char *ignore, int from_tty, struct cmd_list_element *c)
{
- if (STREQ (gnutarget_string, "auto"))
+ if (strcmp (gnutarget_string, "auto") == 0)
gnutarget = NULL;
else
gnutarget = gnutarget_string;
"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"))
projects / deliverable / binutils-gdb.git / blobdiff