* dwarf2expr.h: Tweak comment.

(struct dwarf_expr_context): Use `gdb_byte *' in read_mem and
get_frame_base function pointers.
(read_uleb128, read_sleb128): Change return type and types of
first two arguments to `gdb_byte *'.
(dwarf2_read_address): Change types of first two arguments to
`gdb_byte *'.
* dwarf2expr.c: Tweak comment.
(dwarf_expr_eval): Change type of second argument to `gdb_byte *'.
(read_uleb128, read_sleb128): Change return type and types of
first two arguments to `gdb_byte *'.
(dwarf2_read_address): Change types of first two arguments to
`gdb_byte *'.
(execute_stack_op): Change types of last two arguments to
`gdb_byte *'.  Use `gdb_byte *' for byte buffers.
* dwarf2loc.h: Tweak comment.
(struct dwarf2_locexpr_baton, struct dwarf2_loclist_baton): Use
`gdb_byte *' for byte buffers.
* dwarf2loc.c (find_location_expression): Change return type to
`gdb_byte *'.  Use `gdb_byte *' for byte buffers.  Change length
to `unsigned int'.
(dwarf_expr_read_reg): Use `gdb_byte *' for byte buffer.  Remove
bogus cast.
(dwarf_expr_read_mem): Change type of second argument to
`gdb_byte *'.
(dwarf_expr_frame_base): Change type of second argument to
`gdb_byte **'.
(dwarf2_evaluate_loc_desc): Change type of third argument to
`gdb_byte *'.
(needs_frame_read_mem): Change type of second argument to
`gdb_byte *'.
(needs_frame_frame_base): Change type of second argument
`gdb_byte **'.  Use gdb_byte for lit0.
(dwarf2_tracepoint_var_ref): Change type of fourth argument to
`gdb_byte *'.  Use `gdb_byte *' for byte buffer.
(loclist_read_variable, loclist_tracepoint_var_ref): Use `gdb_byte
*' for byte buffer.
* dwarf2-frame.c (struct dwarf2_cie, struct dwarf2_fde)
(struct dwarf2_frame_state): Use gdb_byte instead of `unsigned
char'.
(read_reg): Use `gdb_byte *' for byte buffers.  Remove redundant
cast.
(read_mem): Change second argument to `gdb_byte *'.
(no_get_frame_base): Change second argument to `gdb_byte **'.
(execute_stack_op): Change first argument to `gdb_byte *'.
(execute_cfa_program): Change first two arguments to `gdb_byte *'.
Use gdb_byte instead of `unsigned int'.  Use temprorary variable
to store result of read_uleb128.
(struct comp_unit): Use `gdb_byte *' for byte buffers.
(read_1_byte, read_4_bytes, read_8_bytes): Change last argument to
`gdb_byte *'.
(read_unsigned_leb128, read_signed_leb128): Change second argument
to `gdb_byte *'.  Use gdb_byte instead of `unsigned char'.
(read_initial_length): Change second argument to `gdb_byte *'.
Remove redundant casts.
(read_encoded_value): Use gdb_byte instead of `unsigned char'.
Remove bogus casts.
(decode_frame_entry_1): Change return type and second argument to
`gdb_byte *'.  Use `gdb_byte *' for byte buffers.  Use gdb_byte
instead of `unsigned char'.
(decode_frame_entry): Change return type and second argument to
`gdb_byte *'.  Use `gdb_byte *' for byte buffers.
(dwarf2_build_frame_info): Use `gdb_byte *' for byte buffers.

gdb/dwarf2expr.h

@@ -1,6 +1,9 @@
-/* Dwarf2 Expression Evaluator
-   Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
-   Contributed by Daniel Berlin (dan@dberlin.org)
+/* DWARF 2 Expression Evaluator.
+
+   Copyright 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
+
+   Contributed by Daniel Berlin <dan@dberlin.org>.
+
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
@@ -40,14 +43,12 @@ struct dwarf_expr_context
   CORE_ADDR (*read_reg) (void *baton, int regnum);
 
   /* Read LENGTH bytes at ADDR into BUF.  */
-  void (*read_mem) (void *baton, char *buf, CORE_ADDR addr,
-		    size_t length);
+  void (*read_mem) (void *baton, gdb_byte *buf, CORE_ADDR addr, size_t length);
 
   /* Return the location expression for the frame base attribute, in
      START and LENGTH.  The result must be live until the current
      expression evaluation is complete.  */
-  void (*get_frame_base) (void *baton, unsigned char **start,
-			 size_t *length);
+  void (*get_frame_base) (void *baton, gdb_byte **start, size_t *length);
 
   /* Return the thread-local storage address for
      DW_OP_GNU_push_tls_address.  */
@@ -129,11 +130,9 @@ void dwarf_expr_eval (struct dwarf_expr_context *ctx, unsigned char *addr,
 CORE_ADDR dwarf_expr_fetch (struct dwarf_expr_context *ctx, int n);
 
 
-unsigned char *read_uleb128 (unsigned char *buf, unsigned char *buf_end,
-			     ULONGEST * r);
-unsigned char *read_sleb128 (unsigned char *buf, unsigned char *buf_end,
-			     LONGEST * r);
-CORE_ADDR dwarf2_read_address (unsigned char *buf, unsigned char *buf_end,
+gdb_byte *read_uleb128 (gdb_byte *buf, gdb_byte *buf_end, ULONGEST * r);
+gdb_byte *read_sleb128 (gdb_byte *buf, gdb_byte *buf_end, LONGEST * r);
+CORE_ADDR dwarf2_read_address (gdb_byte *buf, gdb_byte *buf_end,
 			       int *bytes_read);
 
-#endif
+#endif /* dwarf2expr.h */