-/* Copyright (C) 1999 Free Software Foundation, Inc.
+#ifdef HAVE_THREAD_DB_H
+#include <thread_db.h>
+
+#ifndef LIBTHREAD_DB_SO
+#define LIBTHREAD_DB_SO "libthread_db.so.1"
+#endif
+
+#ifndef LIBTHREAD_DB_SEARCH_PATH
+/* $sdir appears before $pdir for some minimal security protection:
+ we trust the system libthread_db.so a bit more than some random
+ libthread_db associated with whatever libpthread the app is using. */
+#define LIBTHREAD_DB_SEARCH_PATH "$sdir:$pdir"
+#endif
+
+#else
+
+/* Copyright (C) 1999, 2000, 2007, 2008, 2009, 2010, 2011
+Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
+ published by the Free Software Foundation; either version 3 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _THREAD_DB_H
#define _THREAD_DB_H 1
modelled closely after the interface with same names in Solaris with
the goal to share the same code in the debugger. */
#include <pthread.h>
-#include <stdint.h>
#include <sys/types.h>
-/*#include <sys/ucontext.h>*/
+#include <sys/procfs.h>
/* Error codes of the library. */
typedef enum
{
- TD_OK, /* No error. */
- TD_ERR, /* No further specified error. */
- TD_NOTHR, /* No matching thread found. */
- TD_NOSV, /* No matching synchronization handle found. */
- TD_NOLWP, /* No matching light-weighted process found. */
- TD_BADPH, /* Invalid process handle. */
- TD_BADTH, /* Invalid thread handle. */
- TD_BADSH, /* Invalid synchronization handle. */
- TD_BADTA, /* Invalid thread agent. */
- TD_BADKEY, /* Invalid key. */
- TD_NOMSG, /* No event available. */
- TD_NOFPREGS, /* No floating-point register content available. */
- TD_NOLIBTHREAD, /* Application not linked with thread library. */
- TD_NOEVENT, /* Requested event is not supported. */
- TD_NOCAPAB, /* Capability not available. */
- TD_DBERR, /* Internal debug library error. */
- TD_NOAPLIC, /* Operation is not applicable. */
- TD_NOTSD, /* No thread-specific data available. */
- TD_MALLOC, /* Out of memory. */
- TD_PARTIALREG,/* Not entire register set was read or written. */
- TD_NOXREGS /* X register set not available for given thread. */
+ TD_OK, /* No error. */
+ TD_ERR, /* No further specified error. */
+ TD_NOTHR, /* No matching thread found. */
+ TD_NOSV, /* No matching synchronization handle found. */
+ TD_NOLWP, /* No matching light-weighted process found. */
+ TD_BADPH, /* Invalid process handle. */
+ TD_BADTH, /* Invalid thread handle. */
+ TD_BADSH, /* Invalid synchronization handle. */
+ TD_BADTA, /* Invalid thread agent. */
+ TD_BADKEY, /* Invalid key. */
+ TD_NOMSG, /* No event available. */
+ TD_NOFPREGS, /* No floating-point register content available. */
+ TD_NOLIBTHREAD, /* Application not linked with thread library. */
+ TD_NOEVENT, /* Requested event is not supported. */
+ TD_NOCAPAB, /* Capability not available. */
+ TD_DBERR, /* Internal debug library error. */
+ TD_NOAPLIC, /* Operation is not applicable. */
+ TD_NOTSD, /* No thread-specific data available. */
+ TD_MALLOC, /* Out of memory. */
+ TD_PARTIALREG, /* Not entire register set was read or written. */
+ TD_NOXREGS, /* X register set not available for given thread. */
+ TD_NOTALLOC /* TLS memory not yet allocated. */
} td_err_e;
/* Types of the debugging library. */
-/* Addresses. */
-/*typedef void *psaddr_t;*/
-
/* Handle for a process. This type is opaque. */
typedef struct td_thragent td_thragent_t;
#define TD_EVENTSIZE 2
-#define BT_UISHIFT 5 /* log base 2 of BT_NBIPUI, to extract word index */
-#define BT_NBIPUI (1 << BT_UISHIFT) /* n bits per uint */
-#define BT_UIMASK (BT_NBIPUI - 1) /* to extract bit index */
+#define BT_UISHIFT 5 /* log base 2 of BT_NBIPUI, to
+ extract word index. */
+#define BT_NBIPUI (1 << BT_UISHIFT) /* n bits per uint. */
+#define BT_UIMASK (BT_NBIPUI - 1) /* to extract bit index. */
-/* Bitmask of enabled events. */
+/* Bitmask of enabled events. */
typedef struct td_thr_events
{
uint32_t event_bits[TD_EVENTSIZE];
} td_thr_events_t;
-/* Event set manipulation macros. */
+/* Event set manipulation macros. */
#define __td_eventmask(n) \
(UINT32_C (1) << (((n) - 1) & BT_UIMASK))
#define __td_eventword(n) \
{
TD_ALL_EVENTS, /* Pseudo-event number. */
TD_EVENT_NONE = TD_ALL_EVENTS, /* Depends on context. */
- TD_READY, /* Is executable now. */
+ TD_READY, /* Is executable now. */
TD_SLEEP, /* Blocked in a synchronization obj. */
TD_SWITCHTO, /* Now assigned to a process. */
TD_SWITCHFROM, /* Not anymore assigned to a process. */
/* Values representing the different ways events are reported. */
typedef enum
{
- NOTIFY_BPT, /* User must insert breakpoint at u.bptaddr. */
+ NOTIFY_BPT, /* User must insert breakpoint at
+ u.bptaddr. */
NOTIFY_AUTOBPT, /* Breakpoint at u.bptaddr is automatically
inserted. */
NOTIFY_SYSCALL /* System call u.syscallno will be invoked. */
} u;
} td_notify_t;
+/* Some people still have libc5 or old glibc with no uintptr_t.
+ They lose. glibc 2.1.3 was released on 2000-02-25, and it has
+ uintptr_t, so it's reasonable to force these people to upgrade. */
+
+#ifndef HAVE_UINTPTR_T
+#error No uintptr_t available; your C library is too old.
+/* Inhibit further compilation errors after this error. */
+#define uintptr_t void *
+#endif
+
/* Structure used to report event. */
typedef struct td_event_msg
{
const td_thrhandle_t *th_p; /* Thread reporting the event. */
union
{
-# if 0
+#if 0
td_synchandle_t *sh; /* Handle of synchronization object. */
#endif
uintptr_t data; /* Event specific data. */
} msg;
} td_event_msg_t;
+/* Structure containing event data available in each thread structure. */
+typedef struct
+{
+ td_thr_events_t eventmask; /* Mask of enabled events. */
+ td_event_e eventnum; /* Number of last event. */
+ void *eventdata; /* Data associated with event. */
+} td_eventbuf_t;
+
/* Gathered statistics about the process. */
typedef struct td_ta_stats
typedef pthread_t thread_t;
typedef pthread_key_t thread_key_t;
-/* Linux has different names for the register set types. */
-/*typedef gregset_t prgregset_t;*/
-/*typedef fpregset_t prfpregset_t;*/
-
/* Callback for iteration over threads. */
-typedef int td_thr_iter_f __P ((const td_thrhandle_t *, void *));
+typedef int td_thr_iter_f (const td_thrhandle_t *, void *);
/* Callback for iteration over thread local data. */
-typedef int td_key_iter_f __P ((thread_key_t, void (*) (void *), void *));
+typedef int td_key_iter_f (thread_key_t, void (*) (void *), void *);
/* Forward declaration. This has to be defined by the user. */
struct ps_prochandle;
-/* We don't have any differences between processes and threads, therefore
- have only one PID type. */
-/*typedef pid_t lwpid_t;*/
-
/* Information about the thread. */
typedef struct td_thrinfo
psaddr_t ti_ro_area; /* Unused. */
int ti_ro_size; /* Unused. */
td_thr_state_e ti_state; /* Thread state. */
- unsigned char ti_db_suspended; /* Nonzero if suspended by debugger. */
+ unsigned char ti_db_suspended; /* Nonzero if suspended by
+ debugger. */
td_thr_type_e ti_type; /* Type of the thread (system vs
user thread). */
intptr_t ti_pc; /* Unused. */
intptr_t ti_sp; /* Unused. */
short int ti_flags; /* Unused. */
int ti_pri; /* Thread priority. */
- lwpid_t ti_lid; /* Unused. */
+ lwpid_t ti_lid; /* Kernel pid for this thread. */
sigset_t ti_sigmask; /* Signal mask. */
unsigned char ti_traceme; /* Nonzero if event reporting
enabled. */
extern td_err_e td_ta_event_addr (const td_thragent_t *__ta,
td_event_e __event, td_notify_t *__ptr);
+/* Enable EVENT in global mask. */
+extern td_err_e td_ta_set_event (const td_thragent_t *__ta,
+ td_thr_events_t *__event);
+
+/* Disable EVENT in global mask. */
+extern td_err_e td_ta_clear_event (const td_thragent_t *__ta,
+ td_thr_events_t *__event);
+
+/* Return information about last event. */
+extern td_err_e td_ta_event_getmsg (const td_thragent_t *__ta,
+ td_event_msg_t *msg);
+
/* Set suggested concurrency level for process associated with TA. */
extern td_err_e td_ta_setconcurrency (const td_thragent_t *__ta, int __level);
extern td_err_e td_thr_dbresume (const td_thrhandle_t *__th);
#endif /* thread_db.h */
+
+#endif /* HAVE_THREAD_DB_H */
projects / deliverable / binutils-gdb.git / blobdiff