binutils-gdb/gdb/common/ax.def

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/* Definition of agent opcode values. -*- c -*-
Copyright (C) 1998-2014 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* The actual values of the various bytecode operations.
Other independent implementations of the agent bytecode engine will
rely on the exact values of these enums, and may not be recompiled
when we change this table. The numeric values should remain fixed
whenever possible. Thus, we assign them values explicitly here (to
allow gaps to form safely), and the disassembly table in
agentexpr.h behaves like an opcode map. If you want to see them
grouped logically, see doc/agentexpr.texi.
Each line is of the form:
DEFOP (name, size, data_size, consumed, produced, opcode)
NAME is the name of the operation.
SIZE is the number of argument bytes that the operation takes from
the bytecode stream.
DATA_SIZE is the size of data operated on, in bits, for operations
that care (ref and const). It is zero otherwise.
CONSUMED is the number of stack elements consumed.
PRODUCED is the number of stack elements produced.
OPCODE is the operation's encoding. */
DEFOP (float, 0, 0, 0, 0, 0x01)
DEFOP (add, 0, 0, 2, 1, 0x02)
DEFOP (sub, 0, 0, 2, 1, 0x03)
DEFOP (mul, 0, 0, 2, 1, 0x04)
DEFOP (div_signed, 0, 0, 2, 1, 0x05)
DEFOP (div_unsigned, 0, 0, 2, 1, 0x06)
DEFOP (rem_signed, 0, 0, 2, 1, 0x07)
DEFOP (rem_unsigned, 0, 0, 2, 1, 0x08)
DEFOP (lsh, 0, 0, 2, 1, 0x09)
DEFOP (rsh_signed, 0, 0, 2, 1, 0x0a)
DEFOP (rsh_unsigned, 0, 0, 2, 1, 0x0b)
DEFOP (trace, 0, 0, 2, 0, 0x0c)
DEFOP (trace_quick, 1, 0, 1, 1, 0x0d)
DEFOP (log_not, 0, 0, 1, 1, 0x0e)
DEFOP (bit_and, 0, 0, 2, 1, 0x0f)
DEFOP (bit_or, 0, 0, 2, 1, 0x10)
DEFOP (bit_xor, 0, 0, 2, 1, 0x11)
DEFOP (bit_not, 0, 0, 1, 1, 0x12)
DEFOP (equal, 0, 0, 2, 1, 0x13)
DEFOP (less_signed, 0, 0, 2, 1, 0x14)
DEFOP (less_unsigned, 0, 0, 2, 1, 0x15)
DEFOP (ext, 1, 0, 1, 1, 0x16)
DEFOP (ref8, 0, 8, 1, 1, 0x17)
DEFOP (ref16, 0, 16, 1, 1, 0x18)
DEFOP (ref32, 0, 32, 1, 1, 0x19)
DEFOP (ref64, 0, 64, 1, 1, 0x1a)
DEFOP (ref_float, 0, 0, 1, 1, 0x1b)
DEFOP (ref_double, 0, 0, 1, 1, 0x1c)
DEFOP (ref_long_double, 0, 0, 1, 1, 0x1d)
DEFOP (l_to_d, 0, 0, 1, 1, 0x1e)
DEFOP (d_to_l, 0, 0, 1, 1, 0x1f)
DEFOP (if_goto, 2, 0, 1, 0, 0x20)
DEFOP (goto, 2, 0, 0, 0, 0x21)
DEFOP (const8, 1, 8, 0, 1, 0x22)
DEFOP (const16, 2, 16, 0, 1, 0x23)
DEFOP (const32, 4, 32, 0, 1, 0x24)
DEFOP (const64, 8, 64, 0, 1, 0x25)
DEFOP (reg, 2, 0, 0, 1, 0x26)
DEFOP (end, 0, 0, 0, 0, 0x27)
DEFOP (dup, 0, 0, 1, 2, 0x28)
DEFOP (pop, 0, 0, 1, 0, 0x29)
DEFOP (zero_ext, 1, 0, 1, 1, 0x2a)
DEFOP (swap, 0, 0, 2, 2, 0x2b)
DEFOP (getv, 2, 0, 0, 1, 0x2c)
DEFOP (setv, 2, 0, 0, 1, 0x2d)
DEFOP (tracev, 2, 0, 0, 1, 0x2e)
DEFOP (tracenz, 0, 0, 2, 0, 0x2f)
DEFOP (trace16, 2, 0, 1, 1, 0x30)
/* We need something here just to make the tables come out ok. */
DEFOP (invalid2, 0, 0, 0, 0, 0x31)
/* The "consumed" number for pick is wrong, but there's no way to
express the right thing. */
DEFOP (pick, 1, 0, 0, 1, 0x32)
DEFOP (rot, 0, 0, 3, 3, 0x33)
Add target-side support for dynamic printf. * NEWS: Mention the additional style. * breakpoint.h (struct bp_target_info): New fields tcommands, persist. (struct bp_location): New field cmd_bytecode. * breakpoint.c: Include format.h. (disconnected_dprintf): New global. (parse_cmd_to_aexpr): New function. (build_target_command_list): New function. (insert_bp_location): Call it. (remove_breakpoints_pid): Skip dprintf breakpoints. (print_one_breakpoint_location): Ditto. (dprintf_style_agent): New global. (dprintf_style_enums): Add dprintf_style_agent. (update_dprintf_command_list): Add agent case. (agent_printf_command): New function. (_initialize_breakpoint): Add new commands. * common/ax.def (printf): New bytecode. * ax.h (ax_string): Declare. * ax-gdb.h (gen_printf): Declare. * ax-gdb.c: Include cli-utils.h, format.h. (gen_printf): New function. (maint_agent_print_command): New function. (_initialize_ax_gdb): Add maint agent-printf command. * ax-general.c (ax_string): New function. (ax_print): Add printf disassembly. * Makefile.in (SFILES): Add format.c (COMMON_OBS): Add format.o. * common/format.h: New file. * common/format.c: New file. * printcmd.c: Include format.h. (ui_printf): Call parse_format_string. * remote.c (remote_state): New field breakpoint_commands. (PACKET_BreakpointCommands): New enum. (remote_breakpoint_commands_feature): New function. (remote_protocol_features): Add new BreakpointCommands entry. (remote_can_run_breakpoint_commands): New function. (remote_add_target_side_commands): New function. (remote_insert_breakpoint): Call it. (remote_insert_hw_breakpoint): Ditto. (_initialize_remote): Add new packet configuration for target-side breakpoint commands. * target.h (struct target_ops): New field to_can_run_breakpoint_commands. (target_can_run_breakpoint_commands): New macro. * target.c (update_current_target): Handle to_can_run_breakpoint_commands. [gdbserver] * Makefile.in (WARN_CFLAGS_NO_FORMAT): Define. (ax.o): Add it to build rule. (ax-ipa.o): Ditto. (OBS): Add format.o. (IPA_OBS): Add format.o. * server.c (handle_query): Claim support for breakpoint commands. (process_point_options): Add command case. (process_serial_event): Leave running if there are printfs in effect. * mem-break.h (any_persistent_commands): Declare. (add_breakpoint_commands): Declare. (gdb_no_commands_at_breakpoint): Declare. (run_breakpoint_commands): Declare. * mem-break.c (struct point_command_list): New struct. (struct breakpoint): New field command_list. (any_persistent_commands): New function. (add_commands_to_breakpoint): New function. (add_breakpoint_commands): New function. (gdb_no_commands_at_breakpoint): New function. (run_breakpoint_commands): New function. * linux-low.c (linux_wait_1): Test for and run breakpoint commands locally. * ax.c: Include format.h. (ax_printf): New function. (gdb_eval_agent_expr): Add printf opcode. [doc] * gdb.texinfo (Dynamic Printf): Mention agent style and disconnected dprintf. (Maintenance Commands): Describe maint agent-printf. (General Query Packets): Mention BreakpointCommands feature. (Packets): Document commands extension to Z0 packet. * agentexpr.texi (Bytecode Descriptions): Document printf bytecode. [testsuite] * gdb.base/dprintf.exp: Add agent style tests.
2012-07-02 23:29:39 +08:00
/* Both the argument and consumed numbers are dynamic for this one. */
DEFOP (printf, 0, 0, 0, 0, 0x34)