-struct traceframe;
-struct eval_agent_expr_context;
-
-/* Do memory copies for bytecodes. */
-/* Do the recording of memory blocks for actions and bytecodes. */
-
-int agent_mem_read (struct eval_agent_expr_context *ctx,
- unsigned char *to, CORE_ADDR from,
- ULONGEST len);
-
-LONGEST agent_get_trace_state_variable_value (int num);
-void agent_set_trace_state_variable_value (int num, LONGEST val);
-
-/* Record the value of a trace state variable. */
-
-int agent_tsv_read (struct eval_agent_expr_context *ctx, int n);
-int agent_mem_read_string (struct eval_agent_expr_context *ctx,
- unsigned char *to,
- CORE_ADDR from,
- ULONGEST len);
-
-/* Bytecode compilation function vector. */
-
-struct emit_ops
-{
- void (*emit_prologue) (void);
- void (*emit_epilogue) (void);
- void (*emit_add) (void);
- void (*emit_sub) (void);
- void (*emit_mul) (void);
- void (*emit_lsh) (void);
- void (*emit_rsh_signed) (void);
- void (*emit_rsh_unsigned) (void);
- void (*emit_ext) (int arg);
- void (*emit_log_not) (void);
- void (*emit_bit_and) (void);
- void (*emit_bit_or) (void);
- void (*emit_bit_xor) (void);
- void (*emit_bit_not) (void);
- void (*emit_equal) (void);
- void (*emit_less_signed) (void);
- void (*emit_less_unsigned) (void);
- void (*emit_ref) (int size);
- void (*emit_if_goto) (int *offset_p, int *size_p);
- void (*emit_goto) (int *offset_p, int *size_p);
- void (*write_goto_address) (CORE_ADDR from, CORE_ADDR to, int size);
- void (*emit_const) (LONGEST num);
- void (*emit_call) (CORE_ADDR fn);
- void (*emit_reg) (int reg);
- void (*emit_pop) (void);
- void (*emit_stack_flush) (void);
- void (*emit_zero_ext) (int arg);
- void (*emit_swap) (void);
- void (*emit_stack_adjust) (int n);
-
- /* Emit code for a generic function that takes one fixed integer
- argument and returns a 64-bit int (for instance, tsv getter). */
- void (*emit_int_call_1) (CORE_ADDR fn, int arg1);
-
- /* Emit code for a generic function that takes one fixed integer
- argument and a 64-bit int from the top of the stack, and returns
- nothing (for instance, tsv setter). */
- void (*emit_void_call_2) (CORE_ADDR fn, int arg1);
-
- /* Emit code specialized for common combinations of compare followed
- by a goto. */
- void (*emit_eq_goto) (int *offset_p, int *size_p);
- void (*emit_ne_goto) (int *offset_p, int *size_p);
- void (*emit_lt_goto) (int *offset_p, int *size_p);
- void (*emit_le_goto) (int *offset_p, int *size_p);
- void (*emit_gt_goto) (int *offset_p, int *size_p);
- void (*emit_ge_goto) (int *offset_p, int *size_p);
-};
-
-/* Returns the address of the get_raw_reg function in the IPA. */
-CORE_ADDR get_raw_reg_func_addr (void);
-/* Returns the address of the get_trace_state_variable_value
- function in the IPA. */
-CORE_ADDR get_get_tsv_func_addr (void);
-/* Returns the address of the set_trace_state_variable_value
- function in the IPA. */
-CORE_ADDR get_set_tsv_func_addr (void);
-
-extern CORE_ADDR current_insn_ptr;
-extern int emit_error;