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/* IRIX 6 spyThread library interface.
Copyright 2002
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 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. */
#ifndef _IRIX6_SPYTHREAD_H
#define _IRIX6_SPYTHREAD_H
/* Part I: This section is derived from internal definitions for the libspy
* package, found in the files spyBase.h, spyCmd.h, and spyThread.h.
* The original author was SGI. */
#include <signal.h>
#include <sys/fault.h>
#include <sys/procfs.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include "gregset.h"
/* Basic object: process
*
* A process is registered with spy by the client as a shared data
* structure containing process information, callbacks for spy to
* use and private handles for the client and spy to use.
*
* A client registers a text address and arg as callback.
* This permits the client to register different callbacks
* for each process it instantiates.
*/
/* Callbacks used by library. */
typedef struct spyCallBack {
int (*spc_symbol_addr) (void*, char*, off64_t*);
void* spc_symbol_addr_arg;
int (*spc_memory_read) (void*, int, off64_t, char*, size_t);
void* spc_memory_read_arg;
int (*spc_register_read) (void*, int, void*);
void* spc_register_read_arg;
} spyCallBack_t;
/* ABI types */
typedef enum { SP_O32 = 0, SP_N32, SP_N64 } spABI_t;
typedef struct spyProc {
spABI_t sp_abi;
int sp_procfd; /* /proc or -1 if not live */
spyCallBack_t* sp_vec;
void* sp_client; /* private client data for proc */
void* sp_spy; /* private spy data for proc */
} spyProc_t;
typedef uint32_t spyThread_t;
#define SPYTHREADNULL ((spyThread_t)-1)
typedef int (*scan_callback_t) (spyProc_t*, spyThread_t, void*, void*);
typedef struct spyScanOp {
uint_t sso_dom;
spyThread_t sso_thd;
scan_callback_t sso_cb;
void* sso_cbArg;
} spyScanOp_t;
typedef struct spyThreadCalls {
int stc_version;
int (*stc_ProcNew)(spyProc_t*);
int (*stc_ProcDel)(spyProc_t*);
int (*stc_ScanOp)(spyProc_t*, int, void*, spyScanOp_t*);
} spyThreadCalls_t;
typedef struct spyCmdList spyCmdList_t;
/* Options for the ScanOp domain.
*
* STC_PROCESS
* or STC_THREAD named thread
* or STC_SCAN_USER all threads with user contexts
* or STC_SCAN_KERN all threads with kernel contexts
* or STC_SCAN_STOPPED all stopped threads
* or STC_SCAN_EVENTS all threads at an event of interest
*/
#define STC_PROCESS 0x0001
#define STC_THREAD 0x0002
#define STC_SCAN_ALL (STC_SCAN|STC_USER|STC_KERN)
#define STC_SCAN_USER (STC_SCAN|STC_USER)
#define STC_SCAN_KERN (STC_SCAN|STC_KERN)
#define STC_SCAN_STOPPED (STC_SCAN|STC_KERN|STC_STOPPED)
#define STC_SCAN_EVENTS (STC_SCAN|STC_KERN|STC_EVENTS)
/* Internal masks.
*/
#define STC_SCAN 0x0004
#define STC_USER 0x0010
#define STC_KERN 0x0020
#define STC_STOPPED 0x0100
#define STC_EVENTS 0x0200
#define STC_LIVE 0x1000
#define STC_DEAD 0x2000
#define STC_TGT 0x000f
#define STC_CTX 0x00f0
#define STC_LIFE 0xf000
/* Proc ioctl extensions
* Anything below ('q'<<8) is free - so we can avoid including <sys/procfs.h>
*/
#define SPYCGINFO0 1 /* state info (char[STC_INFO0BUFLEN]) */
#define SPYCGNAME 3 /* user name (spyThread_t*) */
#define SPYCITER 4 /* No-op, for call backs (0) */
#define STC_INFO0BUFLEN 24 /* buffer for inline info0 requests */
/* Initialize the spyThread library, setting the members of CALLS to
valid values. The second argument is not publically documented,
and may be set to NULL, as GDB does. */
extern int spyThreadInit(spyThreadCalls_t* calls, spyCmdList_t**);
/* End of Part I and SGI-authored material */
/* Part II: A slightly more useful interface to the spyThread library.
*/
#define IS_LWP_ID(thread) (((thread) & 0x80000000) != 0)
extern int libspy_enabled;
extern int irix_get_threads (spyProc_t* handle, prstatus_t** thread_list);
extern int irix_get_kernel_threads (spyProc_t* handle, prstatus_t** thread_list);
extern int irix_spy_open (int fd, spyProc_t** handle_p);
extern void irix_spy_close (spyProc_t* handle_p);
extern int irix_get_status (spyProc_t* handle, int fd, spyThread_t pthread,
prstatus_t* prstatus);
extern int irix_wait_proc (spyProc_t* handle, int fd, prstatus_t* prstatus);
extern int irix_resume (spyProc_t* handle_p, int fd, spyThread_t lwpid,
prrun_t* prrun_p);
extern int irix_reset_held_signals (spyProc_t* handle);
extern int irix_get_fpregs (spyProc_t* handle_p,
spyThread_t tid, gdb_fpregset_t* fpregset);
extern int irix_set_gregs (spyProc_t* handle_p,
spyThread_t tid, gdb_gregset_t* gregs);
extern int irix_set_fregs (spyProc_t* handle_p,
spyThread_t tid, gdb_fpregset_t* fregs);
extern void initialize_libspy (void);
#endif /* _SPYTHREAD_H */
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