/* Like target_read_memory, but report an error if can't read. */
-extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
+extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len);
/* Like target_read_stack, but report an error if can't read. */
-extern void read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
+extern void read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len);
/* Read an integer from debugged memory, given address and number of
bytes. */
byteswapping, alignment, different sizes for host vs. target types,
etc. */
-extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len);
+extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr,
+ ssize_t len);
/* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
extern void write_memory_unsigned_integer (CORE_ADDR addr, int len,