mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-11-28 22:40:24 +00:00
a3efda28be
* rdi-share/serpardr.c: Ditto. * rdi-share/unixcomm.c: Ditto. * rdi-share/serdrv.c: Ditto. * rdi-share/hostchan.h: Ditto. * rdi-share/hostchan.c: Ditto. * rdi-share/host.h: Ditto. * rdi-share/devsw.c: Ditto.
315 lines
8.9 KiB
C
315 lines
8.9 KiB
C
/*
|
|
* Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
|
|
*
|
|
* This software may be freely used, copied, modified, and distributed
|
|
* provided that the above copyright notice is preserved in all copies of the
|
|
* software.
|
|
*/
|
|
|
|
/* -*-C-*-
|
|
*
|
|
* $Revision$
|
|
* $Date$
|
|
*
|
|
*/
|
|
#ifndef angsd_hostchan_h
|
|
#define angsd_hostchan_h
|
|
|
|
/* A temporary sop to older compilers */
|
|
#if defined (__NetBSD__) || defined (unix)
|
|
# ifndef __unix /* (good for long-term portability?) */
|
|
# define __unix 1
|
|
# endif
|
|
#endif
|
|
|
|
/* struct timeval */
|
|
#if defined(__unix) || defined(__CYGWIN__)
|
|
# include <sys/time.h>
|
|
#else
|
|
# include "winsock.h"
|
|
# include "time.h"
|
|
#endif
|
|
|
|
#include "chandefs.h"
|
|
#include "adperr.h"
|
|
#include "devsw.h"
|
|
|
|
/*
|
|
* asynchronous processing modes
|
|
*/
|
|
enum AsyncMode
|
|
{
|
|
async_block_on_nothing,
|
|
async_block_on_read,
|
|
async_block_on_write
|
|
};
|
|
|
|
#ifndef __cplusplus
|
|
typedef enum AsyncMode AsyncMode;
|
|
#endif
|
|
|
|
/*
|
|
* prototype for channels callback function
|
|
*/
|
|
typedef void (*ChannelCallback)(Packet *packet, void *state);
|
|
|
|
/*
|
|
* Function: Adp_initSeq
|
|
* Purpose: initialise the channel protocol and sequence numbers
|
|
*
|
|
* Params: none
|
|
*
|
|
* Returns: Nothing
|
|
*/
|
|
extern void Adp_initSeq(void);
|
|
|
|
/*
|
|
* Function: Adp_addToQueue
|
|
* Purpose: chain a Packet to the end of a linked list of such structures
|
|
*
|
|
* Params:
|
|
* In/Out: head Head of the linked list
|
|
*
|
|
* newpkt Packet to be chained onto the list
|
|
*
|
|
* Returns: Nothing
|
|
*/
|
|
extern void Adp_addToQueue(Packet **head, Packet *newpkt);
|
|
|
|
/*
|
|
* Function: removeFromQueue
|
|
* Purpose: remove a Packet from the head of a linked list of such structures
|
|
*
|
|
* Params:
|
|
* In/Out: head Head of the linked list
|
|
*
|
|
* Returns: Old head from the linked list
|
|
*
|
|
* Post-conditions: Second element in the list will be the new head.
|
|
*/
|
|
|
|
extern Packet *Adp_removeFromQueue(Packet **head);
|
|
|
|
/*
|
|
* Set log file and Enable/disable logging of ADP packets to file.
|
|
*/
|
|
|
|
void Adp_SetLogfile(const char *filename);
|
|
void Adp_SetLogEnable(int logEnableFlag);
|
|
|
|
/*
|
|
* Function: Adp_OpenDevice
|
|
* Purpose: Open a device to use for channels communication. This is a
|
|
* very thin veneer to the device drivers: what hostchan.c
|
|
* will do is call DeviceMatch for each device driver until it
|
|
* finds a driver that will accept name and arg, then call
|
|
* DeviceOpen for that device.
|
|
*
|
|
* Pre-conditions: No previous open is still active
|
|
*
|
|
* Params:
|
|
* Input: name Identifies which device to open. This can either be
|
|
* a host specific identifier (e.g. "/dev/ttya",
|
|
* "COM1:"), or a number which is used to refer to
|
|
* `standard' interfaces, so "1" would be the first host
|
|
* interface, "2" the second, and so on.
|
|
*
|
|
* arg Driver specific arguments. For example, some serial
|
|
* drivers accept speed and control arguments such as
|
|
* "9600" or "19200/NO_BREAK". These arguments are
|
|
* completely free-form: it is the individual drivers
|
|
* which do the necessary interpretation.
|
|
*
|
|
* heartbeat_on Incicates if the heartbeat is configured to be
|
|
* used or not, true if it is, false otherwise
|
|
*
|
|
* Returns:
|
|
* OK: adp_ok
|
|
* Error: adp_device_not_known,
|
|
* adp_device_open_failed
|
|
* adp_device_already_open
|
|
*/
|
|
AdpErrs Adp_OpenDevice(const char *name, const char *arg,
|
|
unsigned int heartbeat_on);
|
|
|
|
/*
|
|
* Function: Adp_CloseDevice
|
|
* Purpose: Close the device used for channels communication.
|
|
*
|
|
* Params: None
|
|
*
|
|
* Returns:
|
|
* OK: adp_ok
|
|
* Error: adp_device_not_open
|
|
*/
|
|
AdpErrs Adp_CloseDevice(void);
|
|
|
|
/*
|
|
* Function: Adp_Ioctl
|
|
* Purpose: Perform miscellaneous control operations on
|
|
* the device used for channels communication.
|
|
* This is a minimal veneer to DevSW_Ioctl.
|
|
*
|
|
* Params:
|
|
* Input: opcode Reason code indicating the operation to perform.
|
|
* In/Out: args Pointer to opcode-sensitive arguments/result space.
|
|
*
|
|
*
|
|
* Returns:
|
|
* OK: adp_ok
|
|
* Error: adp_device_not_open, adp_failed
|
|
*/
|
|
AdpErrs Adp_Ioctl(int opcode, void *args);
|
|
|
|
/*
|
|
* Function: Adp_ChannelRegisterRead
|
|
* Purpose: Register a callback function for received packets on a given
|
|
* channel
|
|
*
|
|
* Params:
|
|
* Input: chan The channel the callback function is for.
|
|
*
|
|
* cbfunc The callback function. If NULL, then the current
|
|
* callback is removed.
|
|
*
|
|
* cbstate State pointer to pass into the callback function
|
|
*
|
|
* Returns:
|
|
* OK: adp_ok
|
|
* Error: adp_device_not_open
|
|
* adp_bad_channel_id
|
|
*
|
|
* Post-conditions: The callback function is responsible for freeing the
|
|
* packet that is passed to it, when that packet is
|
|
* no longer needed.
|
|
*/
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
extern AdpErrs Adp_ChannelRegisterRead(const ChannelID chan,
|
|
const ChannelCallback cbfunc,
|
|
void *cbstate);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
/*
|
|
* Function: Adp_ChannelRead
|
|
* Purpose: Wait until a packet has been read for a given channel, and
|
|
* then return it. Callbacks for other channels are still
|
|
* active while this read is blocking.
|
|
*
|
|
* Pre-conditions: No callback has been already been registered for
|
|
* the channel.
|
|
*
|
|
* Params:
|
|
* Input: chan The channel to read.
|
|
*
|
|
* Output: packet The received packet.
|
|
*
|
|
* Returns:
|
|
* OK: adp_ok
|
|
* Error: adp_device_not_open
|
|
* adp_bad_channel_id
|
|
* adp_callback_already_registered
|
|
*
|
|
* Post-conditions: The calling function is responsible for freeing the
|
|
* received packet, when that packet is no longer
|
|
* needed.
|
|
*/
|
|
AdpErrs Adp_ChannelRead(const ChannelID chan, Packet **packet);
|
|
|
|
/*
|
|
* Function: Adp_ChannelWrite
|
|
* Purpose: Write a packet to the given channel
|
|
*
|
|
* Pre-conditions: Channel must have been previously opened.
|
|
*
|
|
* Params:
|
|
* Input: chan The channel to write.
|
|
*
|
|
* packet The packet to write.
|
|
*
|
|
* Returns:
|
|
* OK: adp_ok
|
|
* Error: adp_device_not_open
|
|
* adp_bad_channel_id
|
|
*
|
|
* Post-conditions: The packet being written becomes the "property" of
|
|
* Adp_ChannelWrite, which is responsible for freeing
|
|
* the packet when it is no longer needed.
|
|
*/
|
|
AdpErrs Adp_ChannelWrite(const ChannelID chan, Packet *packet);
|
|
|
|
/*
|
|
* Function: Adp_ChannelWriteAsync
|
|
* Purpose: Write a packet to the given channel, but don't wait
|
|
* for the write to complete before returning.
|
|
*
|
|
* Pre-conditions: Channel must have been previously opened.
|
|
*
|
|
* Params:
|
|
* Input: chan The channel to write.
|
|
*
|
|
* packet The packet to write.
|
|
*
|
|
* Returns:
|
|
* OK: adp_ok
|
|
* Error: adp_device_not_open
|
|
* adp_bad_channel_id
|
|
*
|
|
* Post-conditions: The packet being written becomes the "property" of
|
|
* Adp_ChannelWrite, which is responsible for freeing
|
|
* the packet when it is no longer needed.
|
|
*/
|
|
AdpErrs Adp_ChannelWriteAsync(const ChannelID chan, Packet *packet);
|
|
|
|
/*
|
|
* Function: Adp_AsynchronousProcessing
|
|
* Purpose: This routine should be called from persistent any idle loop
|
|
* to give the data I/O routines a chance to poll for packet
|
|
* activity. Depending upon the requested mode, this routine
|
|
* may, or may not, block.
|
|
*
|
|
* Params:
|
|
* Input: mode Specifies whether to block until a complete packet
|
|
* has been read, all pending writes have completed,
|
|
* or not to block at all.
|
|
*
|
|
* Returns: Nothing.
|
|
*/
|
|
void Adp_AsynchronousProcessing(const AsyncMode mode);
|
|
|
|
/*
|
|
* prototype for DC_APPL packet handler
|
|
*/
|
|
typedef void (*DC_Appl_Handler)(const DeviceDescr *device, Packet *packet);
|
|
|
|
/*
|
|
* install a handler for DC_APPL packets (can be NULL), returning old one.
|
|
*/
|
|
DC_Appl_Handler Adp_Install_DC_Appl_Handler(const DC_Appl_Handler handler);
|
|
|
|
/*
|
|
* prototype for asynchronous processing callback
|
|
*/
|
|
typedef void (*Adp_Async_Callback)(const DeviceDescr *device,
|
|
const struct timeval *const time_now);
|
|
|
|
/*
|
|
* add an asynchronous processing callback to the list
|
|
* TRUE == okay, FALSE == no more async processing slots
|
|
*/
|
|
bool Adp_Install_Async_Callback( const Adp_Async_Callback callback_proc );
|
|
|
|
/*
|
|
* delay for a given period (in microseconds)
|
|
*/
|
|
void Adp_delay(unsigned int period);
|
|
|
|
#endif /* ndef angsd_hostchan_h */
|
|
|
|
/* EOF hostchan.h */
|