AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-09-19 16:10:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

Update.

Browse Source 
2001-03-16  Martin Schwidefsky  <schwidefsky@de.ibm.com>

	* sysdeps/s390/s390-64/bits/huge_val.h: Move to...
	* sysdeps/s390/bits/huge_val.h: ...here.
	* sysdeps/s390/s390-32/bit/huge_val.h: Remove.
	* sysdeps/s390/s390-64/ffs.c: Move to...
	* sysdeps/s390/ffs.c: ...here.
	* sysdeps/s390/s390-32/ffs.c: Remove.
This commit is contained in:
Ulrich Drepper 2001-03-16 17:23:19 +00:00
parent b15ff9d65e
commit b8a8413c6f
5 changed files with 156 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
ChangeLog
View File

@ -1,3 +1,12 @@
2001-03-16 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-64/bits/huge_val.h: Move to...
* sysdeps/s390/bits/huge_val.h: ...here.
* sysdeps/s390/s390-32/bit/huge_val.h: Remove.
* sysdeps/s390/s390-64/ffs.c: Move to...
* sysdeps/s390/ffs.c: ...here.
* sysdeps/s390/s390-32/ffs.c: Remove.
2001-03-16 Jakub Jelinek <jakub@redhat.com> 2001-03-16 Jakub Jelinek <jakub@redhat.com>
* elf/ldconfig.c (search_dir): Remove bogus diagnostic, instead * elf/ldconfig.c (search_dir): Remove bogus diagnostic, instead

5
NEWS
View File

@ -1,4 +1,4 @@
GNU C Library NEWS -- history of user-visible changes. 2001-3-11 GNU C Library NEWS -- history of user-visible changes. 2001-3-16
Copyright (C) 1992-1999, 2000, 2001 Free Software Foundation, Inc. Copyright (C) 1992-1999, 2000, 2001 Free Software Foundation, Inc.
See the end for copying conditions. See the end for copying conditions.
@ -24,6 +24,9 @@ Version 2.2.3
* An asynchronous name lookup library was added. The interface is designed * An asynchronous name lookup library was added. The interface is designed
after POSIX AIO. The proposal was circulated beforehand to get comments. after POSIX AIO. The proposal was circulated beforehand to get comments.
No negative ones came in. Implemented by Ulrich Drepper. No negative ones came in. Implemented by Ulrich Drepper.
* Port to S390/64bit contributed by Martin Schwidefsky
<schwidefsky@de.ibm.com>.
Version 2.2.2 Version 2.2.2

7
linuxthreads/sysdeps/s390/pt-machine.h → linuxthreads/sysdeps/s390/s390-32/pt-machine.h
View File

@ -1,6 +1,6 @@
/* Machine-dependent pthreads configuration and inline functions. /* Machine-dependent pthreads configuration and inline functions.
S390 version. S390 version.
Copyright (C) 1999, 2000 Free Software Foundation, Inc. Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library. This file is part of the GNU C Library.
@ -66,6 +66,11 @@ register char * stack_pointer __asm__ ("15");
#define THREAD_SETMEM(descr, member, value) THREAD_SELF->member = (value) #define THREAD_SETMEM(descr, member, value) THREAD_SELF->member = (value)
#define THREAD_SETMEM_NC(descr, member, value) THREAD_SELF->member = (value) #define THREAD_SETMEM_NC(descr, member, value) THREAD_SELF->member = (value)
/* We want the OS to assign stack addresses. */
#define FLOATING_STACKS 1
/* Maximum size of the stack if the rlimit is unlimited. */
#define ARCH_STACK_MAX_SIZE 8*1024*1024
/* Compare-and-swap for semaphores. */ /* Compare-and-swap for semaphores. */

69
sysdeps/s390/bits/huge_val.h Normal file
View File

@ -0,0 +1,69 @@
/* `HUGE_VAL' constants for S/390 (where it is infinity).
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 2000, 2001 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _MATH_H
# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
#endif
#include <features.h>
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
#if __GNUC_PREREQ(2,96)
# define HUGE_VAL (__extension__ 0x1.0p2047)
#else
# define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
# define __huge_val_t union { unsigned char __c[8]; double __d; }
# ifdef __GNUC__
# define HUGE_VAL (__extension__ \
((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
# else /* Not GCC. */
static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
# define HUGE_VAL (__huge_val.__d)
# endif /* GCC. */
#endif /* GCC 2.95 */
/* ISO C 99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
#ifdef __USE_ISOC99
# if __GNUC_PREREQ(2,96)
# define HUGE_VALF (__extension__ 0x1.0p255f)
# define HUGE_VALL (__extension__ 0x1.0p255f)
# else
# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
# define __huge_valf_t union { unsigned char __c[4]; float __f; }
# ifdef __GNUC__
# define HUGE_VALF (__extension__ \
((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
# else /* Not GCC. */
static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
# define HUGE_VALF (__huge_valf.__f)
# endif /* GCC. */
/* On 390 there is no 'long double' format. Make it the same as 'double' */
# define HUGE_VALL HUGE_VAL
# endif /* GCC 2.95 */
#endif /* __USE_ISOC99. */

68
sysdeps/s390/ffs.c Normal file
View File

@ -0,0 +1,68 @@
/* ffs -- find first set bit in a word, counted from least significant end.
S/390 version.
Copyright (C) 2000, 2001 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#define ffsl __something_else
#include <string.h>
#undef ffs
/* ffs: find first bit set. This is defined the same way as
the libc and compiler builtin ffs routines, therefore
differs in spirit from the above ffz (man ffs). */
int
__ffs (x)
int x;
{
int r;
if (x == 0)
return 0;
__asm__(" lr %%r1,%1\n"
" sr %0,%0\n"
" tml %%r1,0xFFFF\n"
" jnz 0f\n"
" ahi %0,16\n"
" srl %%r1,16\n"
"0: tml %%r1,0x00FF\n"
" jnz 1f\n"
" ahi %0,8\n"
" srl %%r1,8\n"
"1: tml %%r1,0x000F\n"
" jnz 2f\n"
" ahi %0,4\n"
" srl %%r1,4\n"
"2: tml %%r1,0x0003\n"
" jnz 3f\n"
" ahi %0,2\n"
" srl %%r1,2\n"
"3: tml %%r1,0x0001\n"
" jnz 4f\n"
" ahi %0,1\n"
"4:"
: "=&d" (r) : "d" (x) : "cc", "1" );
return r+1;
}
weak_alias (__ffs, ffs)
#undef ffsl
weak_alias (__ffs, ffsl)