diff options
Diffstat (limited to 'contrib/gdb/gdb/monitor.h')
-rw-r--r-- | contrib/gdb/gdb/monitor.h | 272 |
1 files changed, 171 insertions, 101 deletions
diff --git a/contrib/gdb/gdb/monitor.h b/contrib/gdb/gdb/monitor.h index daad1ca..4ccddd5 100644 --- a/contrib/gdb/gdb/monitor.h +++ b/contrib/gdb/gdb/monitor.h @@ -1,53 +1,55 @@ -/* Remote debugging interface ROM monitors. - * Copyright 1990, 1991, 1992, 1996 Free Software Foundation, Inc. - * Contributed by Cygnus Support. Written by Rob Savoye for Cygnus. - * - * 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 2 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, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ +/* Definitions for remote debugging interface for ROM monitors. + Copyright 1990, 1991, 1992, 1996 Free Software Foundation, Inc. + Contributed by Cygnus Support. Written by Rob Savoye for Cygnus. + + 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 2 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +*/ #include "serial.h" /* This structure describes the strings necessary to give small command sequences to the monitor, and parse the response. - CMD is the actual command typed at the monitor. Usually this has embedded - sequences ala printf, which are substituted with the arguments appropriate - to that type of command. Ie: to examine a register, we substitute the - register name for the first arg. To modify memory, we substitute the memory - location and the new contents for the first and second args, etc... + CMD is the actual command typed at the monitor. Usually this has + embedded sequences ala printf, which are substituted with the + arguments appropriate to that type of command. Ie: to examine a + register, we substitute the register name for the first arg. To + modify memory, we substitute the memory location and the new + contents for the first and second args, etc... RESP_DELIM used to home in on the response string, and is used to - disambiguate the answer within the pile of text returned by the monitor. - This should be a unique string that immediately precedes the answer. Ie: if - your monitor prints out `PC: 00000001= ' in response to asking for the PC, - you should use `: ' as the RESP_DELIM. RESP_DELIM may be NULL if the res- - ponse is going to be ignored, or has no particular leading text. - - TERM is the string that the monitor outputs to indicate that it is idle, and - waiting for input. This is usually a prompt of some sort. In the previous - example, it would be `= '. It is important that TERM really means that the - monitor is idle, otherwise GDB may try to type at it when it isn't ready for - input. This is a problem because many monitors cannot deal with type-ahead. - TERM may be NULL if the normal prompt is output. - - TERM_CMD is used to quit out of the subcommand mode and get back to the main - prompt. TERM_CMD may be NULL if it isn't necessary. It will also be - ignored if TERM is NULL. -*/ + disambiguate the answer within the pile of text returned by the + monitor. This should be a unique string that immediately precedes + the answer. Ie: if your monitor prints out `PC: 00000001= ' in + response to asking for the PC, you should use `: ' as the + RESP_DELIM. RESP_DELIM may be NULL if the res- ponse is going to + be ignored, or has no particular leading text. + + TERM is the string that the monitor outputs to indicate that it is + idle, and waiting for input. This is usually a prompt of some + sort. In the previous example, it would be `= '. It is important + that TERM really means that the monitor is idle, otherwise GDB may + try to type at it when it isn't ready for input. This is a problem + because many monitors cannot deal with type-ahead. TERM may be + NULL if the normal prompt is output. + + TERM_CMD is used to quit out of the subcommand mode and get back to + the main prompt. TERM_CMD may be NULL if it isn't necessary. It + will also be ignored if TERM is NULL. */ struct memrw_cmd { @@ -91,8 +93,16 @@ struct monitor_ops GDB with the value of a register. */ char *dump_registers; /* Command to dump all regs at once */ char *register_pattern; /* Pattern that picks out register from reg dump */ - void (*supply_register) PARAMS ((char *name, int namelen, char *val, int vallen)); - void (*load_routine) PARAMS ((serial_t desc, char *file, int hashmark)); /* Download routine */ + void (*supply_register) PARAMS ((char *name, int namelen, + char *val, int vallen)); + void (*load_routine) PARAMS ((serial_t desc, char *file, + int hashmark)); /* Download routine */ + int (*dumpregs) PARAMS((void)) ; /* routine to dump all registers */ + int (*continue_hook) PARAMS((void)) ; /* Emit the continue command */ + int (*wait_filter) PARAMS((char * buf, /* Maybe contains registers */ + int bufmax , + int * response_length, + struct target_waitstatus * status)) ; char *load; /* load command */ char *loadresp; /* Response to load command */ char *prompt; /* monitor command prompt */ @@ -104,68 +114,123 @@ struct monitor_ops int magic; /* Check value */ }; +/* The monitor ops magic number, used to detect if an ops structure doesn't + have the right number of entries filled in. */ + #define MONITOR_OPS_MAGIC 600925 -/* Flag defintions */ - -#define MO_CLR_BREAK_USES_ADDR 0x1 /* If set, then clear breakpoint command - uses address, otherwise it uses an index - returned by the monitor. */ -#define MO_FILL_USES_ADDR 0x2 /* If set, then memory fill command uses - STARTADDR, ENDADDR+1, VALUE as args, else it - uses STARTADDR, LENGTH, VALUE as args. */ -#define MO_NEED_REGDUMP_AFTER_CONT 0x4 /* If set, then monitor doesn't auto- - matically supply register dump when - coming back after a continue. */ -#define MO_GETMEM_NEEDS_RANGE 0x8 /* getmem needs start addr and end addr */ -#define MO_GETMEM_READ_SINGLE 0x10 /* getmem can only read one loc at a time */ -#define MO_HANDLE_NL 0x20 /* handle \r\n combinations */ - -#define MO_NO_ECHO_ON_OPEN 0x40 /* don't expect echos in monitor_open */ - -#define MO_SEND_BREAK_ON_STOP 0x80 /* If set, send break to stop monitor */ - -extern struct monitor_ops *current_monitor; - -#define LOADTYPES (current_monitor->loadtypes) -#define LOADPROTOS (current_monitor->loadprotos) -#define INIT_CMD (current_monitor->init) -#define CONT_CMD (current_monitor->cont) -#define STEP_CMD (current_monitor->step) -#define SET_BREAK_CMD (current_monitor->set_break) -#define CLR_BREAK_CMD (current_monitor->clr_break) -#define SET_MEM (current_monitor->setmem) -#define GET_MEM (current_monitor->getmem) -#define LOAD_CMD (current_monitor->load) -#define GET_REG (current_monitor->regget) -#define SET_REG (current_monitor->regset) -#define CMD_END (current_monitor->cmd_end) -#define CMD_DELIM (current_monitor->cmd_delim) -#define PROMPT (current_monitor->prompt) -#define TARGET_OPS (current_monitor->target) -#define TARGET_NAME (current_monitor->target->to_shortname) -#define BAUDRATES (current_monitor->baudrates) -#define STOPBITS (current_monitor->stopbits) -#define REGNAMES(x) (current_monitor->regnames[x]) -#define ROMCMD(x) (x.cmd) -#define ROMDELIM(x) (x.delim) -#define ROMRES(x) (x.result) - -#define push_monitor(x) current_monitor = x; +/* Flag definitions. */ + +/* If set, then clear breakpoint command uses address, otherwise it + uses an index returned by the monitor. */ + +#define MO_CLR_BREAK_USES_ADDR 0x1 + +/* If set, then memory fill command uses STARTADDR, ENDADDR+1, VALUE + as args, else it uses STARTADDR, LENGTH, VALUE as args. */ + +#define MO_FILL_USES_ADDR 0x2 + +/* If set, then monitor doesn't automatically supply register dump + when coming back after a continue. */ + +#define MO_NEED_REGDUMP_AFTER_CONT 0x4 + +/* getmem needs start addr and end addr */ + +#define MO_GETMEM_NEEDS_RANGE 0x8 + +/* getmem can only read one loc at a time */ + +#define MO_GETMEM_READ_SINGLE 0x10 + +/* handle \r\n combinations */ + +#define MO_HANDLE_NL 0x20 + +/* don't expect echos in monitor_open */ + +#define MO_NO_ECHO_ON_OPEN 0x40 + +/* If set, send break to stop monitor */ + +#define MO_SEND_BREAK_ON_STOP 0x80 + +/* If set, target sends an ACK after each S-record */ + +#define MO_SREC_ACK 0x100 + +/* Allow 0x prefix on addresses retured from monitor */ + +#define MO_HEX_PREFIX 0x200 + +/* Some monitors require a different command when starting a program */ + +#define MO_RUN_FIRST_TIME 0x400 + +/* Don't expect echos when getting memory */ + +#define MO_NO_ECHO_ON_SETMEM 0x800 + +/* If set, then register store command expects value BEFORE regname */ + +#define MO_REGISTER_VALUE_FIRST 0x1000 + +/* If set, then the monitor displays registers as pairs. */ + +#define MO_32_REGS_PAIRED 0x2000 + +/* If set, then register setting happens interactively. */ + +#define MO_SETREG_INTERACTIVE 0x4000 + +/* If set, then memory setting happens interactively. */ + +#define MO_SETMEM_INTERACTIVE 0x8000 + +/* If set, then memory dumps are always on 16-byte boundaries, even + when less is desired. */ + +#define MO_GETMEM_16_BOUNDARY 0x10000 + +/* If set, then the monitor numbers its breakpoints starting from 1. */ + +#define MO_CLR_BREAK_1_BASED 0x20000 + +/* If set, then the monitor acks srecords with a plus sign. */ + +#define MO_SREC_ACK_PLUS 0x40000 + +/* If set, then the monitor "acks" srecords with rotating lines. */ + +#define MO_SREC_ACK_ROTATE 0x80000 + +/* If set, then remove useless address bits from memory addresses. */ + +#define MO_ADDR_BITS_REMOVE 0x100000 + +/* If set, then display target program output if prefixed by ^O. */ + +#define MO_PRINT_PROGRAM_OUTPUT 0x200000 + +/* Some dump bytes commands align the first data with the preceeding +16 byte boundary. Some print blanks and start at the exactly the +requested boundary. */ + +#define MO_EXACT_DUMPADDR 0x400000 + +/* Rather entering and exiting the write memory dialog for each word byte, + we can save time by transferring the whole block without exiting + the memory editing mode. You only need to worry about this + if you are doing memory downloading. + This engages a new write function registered with dcache. + */ +#define MO_HAS_BLOCKWRITES 0x800000 #define SREC_SIZE 160 -/* - * FIXME: These are to temporarily maintain compatability with the - * old monitor structure till remote-mon.c is fixed to work - * like the *-rom.c files. - */ -#define MEM_PROMPT (current_monitor->loadtypes) -#define MEM_SET_CMD (current_monitor->setmem) -#define MEM_DIS_CMD (current_monitor->getmem) -#define REG_DELIM (current_monitor->regset.delim) - -extern void monitor_open PARAMS ((char *args, struct monitor_ops *ops, int from_tty)); +extern void monitor_open PARAMS ((char *args, struct monitor_ops *ops, + int from_tty)); extern void monitor_close PARAMS ((int quitting)); extern char *monitor_supply_register PARAMS ((int regno, char *valstr)); extern int monitor_expect PARAMS ((char *prompt, char *buf, int buflen)); @@ -174,4 +239,9 @@ extern void monitor_printf PARAMS ((char *, ...)) ATTR_FORMAT(printf, 1, 2); extern void monitor_printf_noecho PARAMS ((char *, ...)) ATTR_FORMAT(printf, 1, 2); +extern void monitor_write PARAMS ((char *buf, int buflen)); +extern int monitor_readchar PARAMS ((void)); +extern char *monitor_get_dev_name PARAMS ((void)); extern void init_monitor_ops PARAMS ((struct target_ops *)); +extern int monitor_dump_reg_block PARAMS((char * dump_cmd)) ; +extern void flush_monitor_dcache PARAMS ((void)); |