diff options
Diffstat (limited to 'sysdeps/generic')
-rw-r--r-- | sysdeps/generic/bb_init_func.c | 54 | ||||
-rw-r--r-- | sysdeps/generic/ffs.c | 4 | ||||
-rw-r--r-- | sysdeps/generic/sbrk.c | 2 |
3 files changed, 57 insertions, 3 deletions
diff --git a/sysdeps/generic/bb_init_func.c b/sysdeps/generic/bb_init_func.c new file mode 100644 index 0000000000..0c768c3c2d --- /dev/null +++ b/sysdeps/generic/bb_init_func.c @@ -0,0 +1,54 @@ +/* Copyright (C) 1996 Free Software Foundation, Inc. + Contributed by David Mosberger (davidm@cs.arizona.edu). + +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 +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 +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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +/* __bb_init_func is invoked at the beginning of each function, before +any registers have been saved. This generic routine should work +provided that calling this function doesn't mangle the arguments +passed to the function being called. If that's not the case, a system +specific routine must be provided. */ + +#include <sys/types.h> +#include <sys/gmon.h> + +#include <ansidecl.h> +#include <stdlib.h> + +void +DEFUN(__bb_init_func, (bb), struct __bb *bb) +{ + struct gmonparam *p = &_gmonparam; + + if (bb->zero_word != 0) + { + return; /* handle common case quickly */ + } + + /* insert this basic-block into basic-block list: */ + bb->zero_word = 1; + bb->next = __bb_head; + __bb_head = bb; + + if (bb->next == 0 && p->state != GMON_PROF_ON) + { + /* we didn't register _mcleanup yet and pc profiling doesn't seem + to be active, so let's register it now: */ + atexit(_mcleanup); + } +} diff --git a/sysdeps/generic/ffs.c b/sysdeps/generic/ffs.c index 016f0336e9..18239cbecb 100644 --- a/sysdeps/generic/ffs.c +++ b/sysdeps/generic/ffs.c @@ -38,8 +38,8 @@ DEFUN(ffs, (i), int i) 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 }; - unsigned long int a; - unsigned long int x = i & -i; + unsigned int a; + unsigned int x = i & -i; a = x <= 0xffff ? (x <= 0xff ? 0 : 8) : (x <= 0xffffff ? 16 : 24); diff --git a/sysdeps/generic/sbrk.c b/sysdeps/generic/sbrk.c index 83e2536d5d..de7794697d 100644 --- a/sysdeps/generic/sbrk.c +++ b/sysdeps/generic/sbrk.c @@ -26,7 +26,7 @@ extern int __brk (void *addr); If INCREMENT is negative, shrink data space by - INCREMENT. Return start of new space allocated, or -1 for errors. */ void * -__sbrk (int increment) +__sbrk (ptrdiff_t increment) { void *oldbrk; |