[uClibc-cvs] uClibc/libc/sysdeps/linux/common/bits atomicity.h,NONE,1.1 machine-gmon.h,NONE,1.1 profil-counter.h,NONE,1.1 sigcontextinfo.h,NONE,1.1 stackinfo.h,NONE,1.1
Erik Andersen
andersen at codepoet.org
Mon Mar 3 20:58:13 UTC 2003
- Previous message: [uClibc-cvs] uClibc/libc/sysdeps/linux/arm/bits armsigctx.h,NONE,1.1 atomicity.h,NONE,1.1 machine-gmon.h,NONE,1.1 profil-counter.h,NONE,1.1 sigcontextinfo.h,NONE,1.1 stackinfo.h,NONE,1.1
- Next message: [uClibc-cvs] uClibc/libc/sysdeps/linux/cris/bits machine-gmon.h,NONE,1.1 profil-counter.h,NONE,1.1 stackinfo.h,NONE,1.1
- Messages sorted by:
[ date ]
[ thread ]
[ subject ]
[ author ]
Update of /var/cvs/uClibc/libc/sysdeps/linux/common/bits
In directory winder:/tmp/cvs-serv13798/libc/sysdeps/linux/common/bits
Added Files:
atomicity.h machine-gmon.h profil-counter.h sigcontextinfo.h
stackinfo.h
Log Message:
Initial effort at adding profiling support.
--- NEW FILE: atomicity.h ---
/* Low-level functions for atomic operations. Stub version.
Copyright (C) 1997,2001 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 _ATOMICITY_H
#define _ATOMICITY_H 1
#include <inttypes.h>
#warning stub atomicity functions are not really atomic
static inline int
__attribute__ ((unused))
exchange_and_add (volatile uint32_t *mem, int val)
{
int result = *mem;
*mem += val;
return result;
}
static inline void
__attribute__ ((unused))
atomic_add (volatile uint32_t *mem, int val)
{
*mem += val;
}
static inline int
__attribute__ ((unused))
compare_and_swap (volatile long int *p, long int oldval, long int newval)
{
if (*p != oldval)
return 0;
*p = newval;
return 1;
}
#endif /* atomicity.h */
--- NEW FILE: machine-gmon.h ---
/* Machine-dependent definitions for profiling support. Generic GCC 2 version.
Copyright (C) 1996, 1997, 2000 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. */
/* GCC version 2 gives us a perfect magical function to get
just the information we need:
void *__builtin_return_address (unsigned int N)
returns the return address of the frame N frames up. */
/* Be warned that GCC cannot usefully compile __builtin_return_address(N)
for N != 0 on all machines. In this case, you may have to write
your own version of _mcount(). */
#if __GNUC__ < 2
#error "This file uses __builtin_return_address, a GCC 2 extension."
#endif
#include <sysdep.h>
#ifndef NO_UNDERSCORES
/* The asm symbols for C functions are `_function'.
The canonical name for the counter function is `mcount', no _. */
void _mcount (void) asm ("mcount");
#else
/* The canonical name for the function is `_mcount' in both C and asm,
but some old asm code might assume it's `mcount'. */
void _mcount (void);
weak_alias (_mcount, mcount)
#endif
static void mcount_internal (u_long frompc, u_long selfpc);
#define _MCOUNT_DECL(frompc, selfpc) \
static inline void mcount_internal (u_long frompc, u_long selfpc)
#define MCOUNT \
void _mcount (void) \
{ \
mcount_internal ((u_long) RETURN_ADDRESS (1), (u_long) RETURN_ADDRESS (0)); \
}
--- NEW FILE: profil-counter.h ---
/* Machine-dependent SIGPROF signal handler. "Generic" version w/ sigcontext
Copyright (C) 1996, 1997 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. */
/* In many Unix systems signal handlers are called like this
and the interrupted PC is easily findable in the `struct sigcontext'. */
static void
profil_counter (int signr, int code, struct sigcontext *scp)
{
profil_count ((void *) scp->sc_pc);
}
--- NEW FILE: sigcontextinfo.h ---
/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper at cygnus.com>, 1998.
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. */
/* In general we cannot provide any information. */
#define SIGCONTEXT struct sigcontext *
#define SIGCONTEXT_EXTRA_ARGS
#define GET_PC(ctx) ((void *) 0)
#define GET_FRAME(ctx) ((void *) 0)
#define GET_STACK(ctx) ((void *) 0)
#define CALL_SIGHANDLER(handler, signo, ctx) \
(handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))
--- NEW FILE: stackinfo.h ---
/* Copyright (C) 1999 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. */
/* This file contains a bit of information about the stack allocation
of the processor. Since there is no general truth we can't say
anything here. */
#ifndef _STACKINFO_H
#define _STACKINFO_H 1
#error Machine stack direction unknown.
#if 0
#define _STACK_GROWS_DOWN 1
#define _STACK_GROWS_UP 1
#endif
#endif /* stackinfo.h */
- Previous message: [uClibc-cvs] uClibc/libc/sysdeps/linux/arm/bits armsigctx.h,NONE,1.1 atomicity.h,NONE,1.1 machine-gmon.h,NONE,1.1 profil-counter.h,NONE,1.1 sigcontextinfo.h,NONE,1.1 stackinfo.h,NONE,1.1
- Next message: [uClibc-cvs] uClibc/libc/sysdeps/linux/cris/bits machine-gmon.h,NONE,1.1 profil-counter.h,NONE,1.1 stackinfo.h,NONE,1.1
- Messages sorted by:
[ date ]
[ thread ]
[ subject ]
[ author ]
More information about the uClibc-cvs
mailing list