also symlink thread_db.h instead of duplicating it, fix the clean target, and touchup the headers target so we dont create bogus dir symlinks

include/thread_db.h

@@ -1,439 +0,0 @@
-/* Copyright (C) 1999, 2001 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 Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#ifndef _THREAD_DB_H
-#define _THREAD_DB_H	1
-
-/* This is the debugger interface for the LinuxThreads library.  It is
-   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/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_err_e;
-
-
-/* Possible thread states.  TD_THR_ANY_STATE is a pseudo-state used to
-   select threads regardless of state in td_ta_thr_iter().  */
-typedef enum
-{
-  TD_THR_ANY_STATE,
-  TD_THR_UNKNOWN,
-  TD_THR_STOPPED,
-  TD_THR_RUN,
-  TD_THR_ACTIVE,
-  TD_THR_ZOMBIE,
-  TD_THR_SLEEP,
-  TD_THR_STOPPED_ASLEEP
-} td_thr_state_e;
-
-/* Thread type: user or system.  TD_THR_ANY_TYPE is a pseudo-type used
-   to select threads regardless of type in td_ta_thr_iter().  */
-typedef enum
-{
-  TD_THR_ANY_TYPE,
-  TD_THR_USER,
-  TD_THR_SYSTEM
-} td_thr_type_e;
-
-
-/* Types of the debugging library.  */
-
-/* Handle for a process.  This type is opaque.  */
-typedef struct td_thragent td_thragent_t;
-
-/* The actual thread handle type.  This is also opaque.  */
-typedef struct td_thrhandle
-{
-  td_thragent_t *th_ta_p;
-  psaddr_t th_unique;
-} td_thrhandle_t;
-
-
-/* Flags for `td_ta_thr_iter'.  */
-#define TD_THR_ANY_USER_FLAGS	0xffffffff
-#define TD_THR_LOWEST_PRIORITY	-20
-#define TD_SIGNO_MASK		NULL
-
-
-#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 */
-
-/* Bitmask of enabled events. */
-typedef struct td_thr_events
-{
-  uint32_t event_bits[TD_EVENTSIZE];
-} td_thr_events_t;
-
-/* Event set manipulation macros. */
-#define __td_eventmask(n) \
-  (UINT32_C (1) << (((n) - 1) & BT_UIMASK))
-#define __td_eventword(n) \
-  ((UINT32_C ((n) - 1)) >> BT_UISHIFT)
-
-#define td_event_emptyset(setp) \
-  do {									      \
-    int __i;								      \
-    for (__i = TD_EVENTSIZE; __i > 0; --__i)				      \
-      (setp)->event_bits[__i - 1] = 0;					      \
-  } while (0)
-
-#define td_event_fillset(setp) \
-  do {									      \
-    int __i;								      \
-    for (__i = TD_EVENTSIZE; __i > 0; --__i)				      \
-      (setp)->event_bits[__i - 1] = UINT32_C (0xffffffff);		      \
-  } while (0)
-
-#define td_event_addset(setp, n) \
-  (((setp)->event_bits[__td_eventword (n)]) |= __td_eventmask (n))
-#define td_event_delset(setp, n) \
-  (((setp)->event_bits[__td_eventword (n)]) &= ~__td_eventmask (n))
-#define td_eventismember(setp, n) \
-  (__td_eventmask (n) & ((setp)->event_bits[__td_eventword (n)]))
-#if TD_EVENTSIZE == 2
-# define td_eventisempty(setp) \
-  (!((setp)->event_bits[0]) && !((setp)->event_bits[1]))
-#else
-# error "td_eventisempty must be changed to match TD_EVENTSIZE"
-#endif
-
-/* Events reportable by the thread implementation.  */
-typedef enum
-{
-  TD_ALL_EVENTS,		 /* Pseudo-event number.  */
-  TD_EVENT_NONE = TD_ALL_EVENTS, /* Depends on context.  */
-  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.  */
-  TD_LOCK_TRY,			 /* Trying to get an unavailable lock.  */
-  TD_CATCHSIG,			 /* Signal posted to the thread.  */
-  TD_IDLE,			 /* Process getting idle.  */
-  TD_CREATE,			 /* New thread created.  */
-  TD_DEATH,			 /* Thread terminated.  */
-  TD_PREEMPT,			 /* Preempted.  */
-  TD_PRI_INHERIT,		 /* Inherited elevated priority.  */
-  TD_REAP,			 /* Reaped.  */
-  TD_CONCURRENCY,		 /* Number of processes changing.  */
-  TD_TIMEOUT,			 /* Conditional variable wait timed out.  */
-  TD_MIN_EVENT_NUM = TD_READY,
-  TD_MAX_EVENT_NUM = TD_TIMEOUT,
-  TD_EVENTS_ENABLE = 31		/* Event reporting enabled.  */
-} td_event_e;
-
-/* Values representing the different ways events are reported.  */
-typedef enum
-{
-  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.  */
-} td_notify_e;
-
-/* Description how event type is reported.  */
-typedef struct td_notify
-{
-  td_notify_e type;		/* Way the event is reported.  */
-  union
-  {
-    psaddr_t bptaddr;		/* Address of breakpoint.  */
-    int syscallno;		/* Number of system call used.  */
-  } u;
-} td_notify_t;
-
-/* Structure used to report event.  */
-typedef struct td_event_msg
-{
-  td_event_e event;		/* Event type being reported.  */
-  const td_thrhandle_t *th_p;	/* Thread reporting the event.  */
-  union
-  {
-# 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
-{
-  int nthreads;       		/* Total number of threads in use.  */
-  int r_concurrency;		/* Concurrency level requested by user.  */
-  int nrunnable_num;		/* Average runnable threads, numerator.  */
-  int nrunnable_den;		/* Average runnable threads, denominator.  */
-  int a_concurrency_num;	/* Achieved concurrency level, numerator.  */
-  int a_concurrency_den;	/* Achieved concurrency level, denominator.  */
-  int nlwps_num;		/* Average number of processes in use,
-				   numerator.  */
-  int nlwps_den;		/* Average number of processes in use,
-				   denominator.  */
-  int nidle_num;		/* Average number of idling processes,
-				   numerator.  */
-  int nidle_den;		/* Average number of idling processes,
-				   denominator.  */
-} td_ta_stats_t;
-
-
-/* Since Sun's library is based on Solaris threads we have to define a few
-   types to map them to POSIX threads.  */
-typedef pthread_t thread_t;
-typedef pthread_key_t thread_key_t;
-
-
-/* Callback for iteration over threads.  */
-typedef int td_thr_iter_f (const td_thrhandle_t *, void *);
-
-/* Callback for iteration over thread local data.  */
-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;
-
-
-/* Information about the thread.  */
-typedef struct td_thrinfo
-{
-  td_thragent_t *ti_ta_p;		/* Process handle.  */
-  unsigned int ti_user_flags;		/* Unused.  */
-  thread_t ti_tid;			/* Thread ID returned by
-					   pthread_create().  */
-  char *ti_tls;				/* Pointer to thread-local data.  */
-  psaddr_t ti_startfunc;		/* Start function passed to
-					   pthread_create().  */
-  psaddr_t ti_stkbase;			/* Base of thread's stack.  */
-  long int ti_stksize;			/* Size of thread's stack.  */
-  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. */
-  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.  */
-  sigset_t ti_sigmask;			/* Signal mask.  */
-  unsigned char ti_traceme;		/* Nonzero if event reporting
-					   enabled.  */
-  unsigned char ti_preemptflag;		/* Unused.  */
-  unsigned char ti_pirecflag;		/* Unused.  */
-  sigset_t ti_pending;			/* Set of pending signals.  */
-  td_thr_events_t ti_events;		/* Set of enabled events.  */
-} td_thrinfo_t;
-
-
-
-/* Prototypes for exported library functions.  */
-
-/* Initialize the thread debug support library.  */
-extern td_err_e td_init (void);
-
-/* Historical relict.  Should not be used anymore.  */
-extern td_err_e td_log (void);
-
-/* Return list of symbols the library can request.  */
-extern const char **td_symbol_list (void);
-
-/* Generate new thread debug library handle for process PS.  */
-extern td_err_e td_ta_new (struct ps_prochandle *__ps, td_thragent_t **__ta);
-
-/* Free resources allocated for TA.  */
-extern td_err_e td_ta_delete (td_thragent_t *__ta);
-
-/* Get number of currently running threads in process associated with TA.  */
-extern td_err_e td_ta_get_nthreads (const td_thragent_t *__ta, int *__np);
-
-/* Return process handle passed in `td_ta_new' for process associated with
-   TA.  */
-extern td_err_e td_ta_get_ph (const td_thragent_t *__ta,
-			      struct ps_prochandle **__ph);
-
-/* Map thread library handle PT to thread debug library handle for process
-   associated with TA and store result in *TH.  */
-extern td_err_e td_ta_map_id2thr (const td_thragent_t *__ta, pthread_t __pt,
-				  td_thrhandle_t *__th);
-
-/* Map process ID LWPID to thread debug library handle for process
-   associated with TA and store result in *TH.  */
-extern td_err_e td_ta_map_lwp2thr (const td_thragent_t *__ta, lwpid_t __lwpid,
-				   td_thrhandle_t *__th);
-
-
-/* Call for each thread in a process associated with TA the callback function
-   CALLBACK.  */
-extern td_err_e td_ta_thr_iter (const td_thragent_t *__ta,
-				td_thr_iter_f *__callback, void *__cbdata_p,
-				td_thr_state_e __state, int __ti_pri,
-				sigset_t *__ti_sigmask_p,
-				unsigned int __ti_user_flags);
-
-/* Call for each defined thread local data entry the callback function KI.  */
-extern td_err_e td_ta_tsd_iter (const td_thragent_t *__ta, td_key_iter_f *__ki,
-				void *__p);
-
-
-/* Get event address for EVENT.  */
-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);
-
-
-/* Enable collecting statistics for process associated with TA.  */
-extern td_err_e td_ta_enable_stats (const td_thragent_t *__ta, int __enable);
-
-/* Reset statistics.  */
-extern td_err_e td_ta_reset_stats (const td_thragent_t *__ta);
-
-/* Retrieve statistics from process associated with TA.  */
-extern td_err_e td_ta_get_stats (const td_thragent_t *__ta,
-				 td_ta_stats_t *__statsp);
-
-
-/* Validate that TH is a thread handle.  */
-extern td_err_e td_thr_validate (const td_thrhandle_t *__th);
-
-/* Return information about thread TH.  */
-extern td_err_e td_thr_get_info (const td_thrhandle_t *__th,
-				 td_thrinfo_t *__infop);
-
-/* Retrieve floating-point register contents of process running thread TH.  */
-extern td_err_e td_thr_getfpregs (const td_thrhandle_t *__th,
-				  prfpregset_t *__regset);
-
-/* Retrieve general register contents of process running thread TH.  */
-extern td_err_e td_thr_getgregs (const td_thrhandle_t *__th,
-				 prgregset_t __gregs);
-
-/* Retrieve extended register contents of process running thread TH.  */
-extern td_err_e td_thr_getxregs (const td_thrhandle_t *__th, void *__xregs);
-
-/* Get size of extended register set of process running thread TH.  */
-extern td_err_e td_thr_getxregsize (const td_thrhandle_t *__th, int *__sizep);
-
-/* Set floating-point register contents of process running thread TH.  */
-extern td_err_e td_thr_setfpregs (const td_thrhandle_t *__th,
-				  const prfpregset_t *__fpregs);
-
-/* Set general register contents of process running thread TH.  */
-extern td_err_e td_thr_setgregs (const td_thrhandle_t *__th,
-				 prgregset_t __gregs);
-
-/* Set extended register contents of process running thread TH.  */
-extern td_err_e td_thr_setxregs (const td_thrhandle_t *__th,
-				 const void *__addr);
-
-
-/* Enable reporting for EVENT for thread TH.  */
-extern td_err_e td_thr_event_enable (const td_thrhandle_t *__th, int __event);
-
-/* Enable EVENT for thread TH.  */
-extern td_err_e td_thr_set_event (const td_thrhandle_t *__th,
-				  td_thr_events_t *__event);
-
-/* Disable EVENT for thread TH.  */
-extern td_err_e td_thr_clear_event (const td_thrhandle_t *__th,
-				    td_thr_events_t *__event);
-
-/* Get event message for thread TH.  */
-extern td_err_e td_thr_event_getmsg (const td_thrhandle_t *__th,
-				     td_event_msg_t *__msg);
-
-
-/* Set priority of thread TH.  */
-extern td_err_e td_thr_setprio (const td_thrhandle_t *__th, int __prio);
-
-
-/* Set pending signals for thread TH.  */
-extern td_err_e td_thr_setsigpending (const td_thrhandle_t *__th,
-				      unsigned char __n, const sigset_t *__ss);
-
-/* Set signal mask for thread TH.  */
-extern td_err_e td_thr_sigsetmask (const td_thrhandle_t *__th,
-				   const sigset_t *__ss);
-
-
-/* Return thread local data associated with key TK in thread TH.  */
-extern td_err_e td_thr_tsd (const td_thrhandle_t *__th,
-			    const thread_key_t __tk, void **__data);
-
-
-/* Suspend execution of thread TH.  */
-extern td_err_e td_thr_dbsuspend (const td_thrhandle_t *__th);
-
-/* Resume execution of thread TH.  */
-extern td_err_e td_thr_dbresume (const td_thrhandle_t *__th);
-
-#endif	/* thread_db.h */

libpthread/Makefile

@@ -50,16 +50,19 @@ all: $(LIBPTHREAD) $(LIBTHREAD_DB)
 
 headers:
 ifeq ($(strip $(UCLIBC_HAS_THREADS_NATIVE)),y)
-	$(LN) -sf $(TOPDIR)libpthread/nptl/sysdeps/pthread/pthread.h $(TOPDIR)include
-	$(LN) -sf $(TOPDIR)libpthread/nptl/semaphore.h $(TOPDIR)include
-	$(LN) -sf ../$(TOPDIR)libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH)/bits/semaphore.h $(TOPDIR)include/bits
-	$(LN) -sf ../$(TOPDIR)libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH)/bits/pthreadtypes.h $(TOPDIR)include/bits
-	$(LN) -sf ../$(TOPDIR)libpthread/nptl/sysdeps/pthread/bits/libc-lock.h $(TOPDIR)include/bits
-	$(LN) -sf ../$(TOPDIR)libpthread/nptl/sysdeps/pthread/bits/stdio-lock.h $(TOPDIR)include/bits
+	$(LN) -sf $(TOPDIR)libpthread/nptl/sysdeps/pthread/pthread.h $(TOPDIR)include/
+	$(LN) -sf $(TOPDIR)libpthread/nptl/semaphore.h $(TOPDIR)include/
+	$(LN) -sf ../$(TOPDIR)libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH)/bits/semaphore.h $(TOPDIR)include/bits/
+	$(LN) -sf ../$(TOPDIR)libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH)/bits/pthreadtypes.h $(TOPDIR)include/bits/
+	$(LN) -sf ../$(TOPDIR)libpthread/nptl/sysdeps/pthread/bits/libc-lock.h $(TOPDIR)include/bits/
+	$(LN) -sf ../$(TOPDIR)libpthread/nptl/sysdeps/pthread/bits/stdio-lock.h $(TOPDIR)include/bits/
 else
-	$(LN) -sf $(TOPDIR)libpthread/linuxthreads/sysdeps/pthread/pthread.h $(TOPDIR)include
-	$(LN) -sf $(TOPDIR)libpthread/linuxthreads/semaphore.h $(TOPDIR)include
-	$(LN) -sf ../$(TOPDIR)libpthread/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h $(TOPDIR)include/bits
+	$(LN) -sf $(TOPDIR)libpthread/linuxthreads/sysdeps/pthread/pthread.h $(TOPDIR)include/
+	$(LN) -sf $(TOPDIR)libpthread/linuxthreads/semaphore.h $(TOPDIR)include/
+	$(LN) -sf ../$(TOPDIR)libpthread/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h $(TOPDIR)include/bits/
+ifeq ($(strip $(PTHREADS_DEBUG_SUPPORT)),y)
+	$(LN) -sf $(TOPDIR)libpthread/linuxthreads_db/thread_db.h $(TOPDIR)include/
+endif
 endif
 
 $(LIBPTHREAD): subdirs
@@ -129,8 +132,9 @@ $(patsubst %, _dirclean_%, $(ALL_SUBDIRS)) : dummy
 clean: subdirs_clean
 	$(RM) *.[oa] *~ core $(LIBPTHREAD) $(LIBPTHREAD_SHARED_FULLNAME) \
 		$(LIBTHREAD_DB) $(LIBTHREAD_DB_SHARED_FULLNAME)		 \
-		$(RM) $(TOPDIR)include/pthread.h $(TOPDIR)include/semaphore.h \
-		$(RM) $(TOPDIR)include/bits/pthreadtypes.h $(TOPDIR)include/bits/semaphore.h \
-		$(RM) $(TOPDIR)include/bits/libc-lock.h $(TOPDIR)include/bits/stdio-lock
+		$(TOPDIR)include/pthread.h $(TOPDIR)include/semaphore.h \
+		$(TOPDIR)include/thread_db.h \
+		$(TOPDIR)include/bits/pthreadtypes.h $(TOPDIR)include/bits/semaphore.h \
+		$(TOPDIR)include/bits/libc-lock.h $(TOPDIR)include/bits/stdio-lock
 
 .PHONY: dummy