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Convert DWARF expr functions to methods

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This converts various DWARF expr functions to be members on
dwarf_expr_context, then fixes up the various users.  This results in
somewhat less wordy code and sets the stage for the next patch.

2016-10-21  Tom Tromey  <tom@tromey.com>

	* dwarf2loc.c (per_cu_dwarf_call)
	(dwarf_expr_push_dwarf_reg_entry_value)
	(dwarf2_evaluate_loc_desc_full, dwarf2_locexpr_baton_eval)
	(needs_dwarf_reg_entry_value)
	(dwarf2_loc_desc_get_symbol_read_needs): Update.
	* dwarf2expr.h (dwarf_expr_context) <push_address, eval, fetch,
	fetch_address, fetch_in_stack_memory, address_type, grow_stack,
	push, stack_empty_p, add_piece, get_base_type, execute_stack_op,
	pop>: New method declarations.
	(dwarf_expr_push_address, dwarf_expr_eval, dwarf_expr_fetch)
	(dwarf_expr_fetch_address, dwarf_expr_fetch_in_stack_memory):
	Don't declare.
	* dwarf2expr.c (address_type, grow_stack, push, push_address)
	(pop, fetch, fetch_address, fetch_in_stack_memory)
	(stack_empty_p, add_piece, eval, get_base_type)
	(execute_stack_op): Rename.  Turn into methods.
	* dwarf2-frame.c (execute_stack_op): Update.
This commit is contained in:
Tom Tromey
2016-09-25 16:48:47 -06:00
parent 718b962660
commit 595d2e303c
5 changed files with 246 additions and 229 deletions
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26
gdb/dwarf2expr.h
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@ -133,6 +133,12 @@ struct dwarf_expr_context
dwarf_expr_context ();
~dwarf_expr_context ();
void push_address (CORE_ADDR value, int in_stack_memory);
void eval (const gdb_byte *addr, size_t len);
struct value *fetch (int n);
CORE_ADDR fetch_address (int n);
int fetch_in_stack_memory (int n);
/* The stack of values, allocated with xmalloc. */
struct dwarf_stack_value *stack;
@ -203,6 +209,17 @@ struct dwarf_expr_context
two cases need to be handled separately.) */
int num_pieces;
struct dwarf_expr_piece *pieces;
private:
struct type *address_type () const;
void grow_stack (size_t need);
void push (struct value *value, int in_stack_memory);
int stack_empty_p () const;
void add_piece (ULONGEST size, ULONGEST offset);
struct type *get_base_type (cu_offset die, int size);
void execute_stack_op (const gdb_byte *op_ptr, const gdb_byte *op_end);
void pop ();
};
@ -253,15 +270,6 @@ struct dwarf_expr_piece
ULONGEST offset;
};
void dwarf_expr_push_address (struct dwarf_expr_context *ctx,
CORE_ADDR value,
int in_stack_memory);
void dwarf_expr_eval (struct dwarf_expr_context *ctx, const gdb_byte *addr,
size_t len);
struct value *dwarf_expr_fetch (struct dwarf_expr_context *ctx, int n);
CORE_ADDR dwarf_expr_fetch_address (struct dwarf_expr_context *ctx, int n);
int dwarf_expr_fetch_in_stack_memory (struct dwarf_expr_context *ctx, int n);
void dwarf_expr_require_composition (const gdb_byte *, const gdb_byte *,
const char *);