summaryrefslogtreecommitdiff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/alpha/htonl.S8
-rw-r--r--sysdeps/alpha/htons.S8
-rw-r--r--sysdeps/generic/bits/byteswap.h43
-rw-r--r--sysdeps/generic/htonl.c17
-rw-r--r--sysdeps/generic/htons.c15
-rw-r--r--sysdeps/i386/bits/byteswap.h92
-rw-r--r--sysdeps/i386/bits/htontoh.h79
-rw-r--r--sysdeps/i386/htonl.S8
-rw-r--r--sysdeps/i386/htons.S8
-rw-r--r--sysdeps/i386/i486/htonl.S8
-rw-r--r--sysdeps/m68k/fpu/fraiseexcpt.c30
-rw-r--r--sysdeps/unix/i386/sysdep.h4
-rw-r--r--sysdeps/unix/sysv/linux/Dist1
-rw-r--r--sysdeps/unix/sysv/linux/Makefile2
-rw-r--r--sysdeps/unix/sysv/linux/sys/fsuid.h (renamed from sysdeps/generic/bits/htontoh.h)21
-rw-r--r--sysdeps/vax/htonl.s6
-rw-r--r--sysdeps/vax/htons.s4
17 files changed, 192 insertions, 162 deletions
diff --git a/sysdeps/alpha/htonl.S b/sysdeps/alpha/htonl.S
index c6e09f134f..4308192cbf 100644
--- a/sysdeps/alpha/htonl.S
+++ b/sysdeps/alpha/htonl.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* 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
@@ -18,7 +18,7 @@
#include <sysdep.h>
-ENTRY(__htonl)
+ENTRY(htonl)
#ifdef PROF
ldgp gp, 0(pv)
.set noat
@@ -43,6 +43,4 @@ ENTRY(__htonl)
END(__htonl)
-strong_alias_asm(__htonl, __ntohl)
-weak_alias(__htonl, htonl)
-weak_alias(__htonl, ntohl)
+weak_alias(htonl, ntohl)
diff --git a/sysdeps/alpha/htons.S b/sysdeps/alpha/htons.S
index 8d3aefe149..f65f0e0826 100644
--- a/sysdeps/alpha/htons.S
+++ b/sysdeps/alpha/htons.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* 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
@@ -18,7 +18,7 @@
#include <sysdep.h>
-ENTRY(__htons)
+ENTRY(htons)
#ifdef PROF
ldgp gp, 0(pv)
.set noat
@@ -37,6 +37,4 @@ ENTRY(__htons)
END(__htons)
-strong_alias_asm(__htons, __ntohs)
-weak_alias(__htons, htons)
-weak_alias(__htons, ntohs)
+weak_alias(htons, ntohs)
diff --git a/sysdeps/generic/bits/byteswap.h b/sysdeps/generic/bits/byteswap.h
new file mode 100644
index 0000000000..9404cc452e
--- /dev/null
+++ b/sysdeps/generic/bits/byteswap.h
@@ -0,0 +1,43 @@
+/* Macros to swap the order of bytes in integer values.
+ Copyright (C) 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 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 _BITS_BYTESWAP_H
+#define _BITS_BYTESWAP_H 1
+
+/* Swap bytes in 16 bit value. */
+#define __bswap_16(x) \
+ ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
+
+/* Swap bytes in 32 bit value. */
+#define __bswap_32(x) \
+ ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
+ (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
+
+#if defined __GNUC__ && __GNUC__ >= 2
+/* Swap bytes in 64 bit value. */
+# define __bswap_64(x) \
+ ({ union { unsigned long long int __ll; \
+ unsigned long int __l[2]; } __v, __r; \
+ __v.__ll = (x); \
+ __r.__l[0] = __bswap_32 (__v.__l[1]); \
+ __r.__l[1] = __bswap_32 (__v.__l[0]); \
+ __r.__ll; })
+#endif
+
+#endif /* bits/byteswap.h */
diff --git a/sysdeps/generic/htonl.c b/sysdeps/generic/htonl.c
index d460d40f89..f433075a0f 100644
--- a/sysdeps/generic/htonl.c
+++ b/sysdeps/generic/htonl.c
@@ -19,17 +19,18 @@
#include <netinet/in.h>
#undef htonl
+#undef ntohl
u_int32_t
-__htonl (x)
+htonl (x)
u_int32_t x;
{
-#if BYTE_ORDER == LITTLE_ENDIAN
- x = (x << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | (x >> 24);
-#endif
-
+#if BYTE_ORDER == BIG_ENDIAN
return x;
+#elif BYTE_ORDER == LITTLE_ENDIAN
+ return __bswap_32 (x);
+#else
+# error "What kind of system is this?"
+#endif
}
-strong_alias (__htonl, __ntohl)
-weak_alias (__htonl, htonl)
-weak_alias (__ntohl, ntohl)
+weak_alias (htonl, ntohl)
diff --git a/sysdeps/generic/htons.c b/sysdeps/generic/htons.c
index a0a0e81adf..8914f74f2e 100644
--- a/sysdeps/generic/htons.c
+++ b/sysdeps/generic/htons.c
@@ -19,17 +19,18 @@
#include <netinet/in.h>
#undef htons
+#undef ntohs
u_int16_t
__htons (x)
u_int16_t x;
{
-#if BYTE_ORDER == LITTLE_ENDIAN
- x = (x << 8) | (x >> 8);
-#endif
-
+#if BYTE_ORDER == BIG_ENDIAN
return x;
+#elif BYTE_ORDER == LITTLE_ENDIAN
+ return __bswap_16 (x);
+#else
+# error "What kind of system is this?"
+#endif
}
-strong_alias (__htons, __ntohs)
-weak_alias (__htons, htons)
-weak_alias (__ntohs, ntohs)
+weak_alias (htons, ntohs)
diff --git a/sysdeps/i386/bits/byteswap.h b/sysdeps/i386/bits/byteswap.h
new file mode 100644
index 0000000000..326962e621
--- /dev/null
+++ b/sysdeps/i386/bits/byteswap.h
@@ -0,0 +1,92 @@
+/* Macros to swap the order of bytes in integer values.
+ Copyright (C) 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 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 _BITS_BYTESWAP_H
+#define _BITS_BYTESWAP_H 1
+
+/* Swap bytes in 16 bit value. */
+#define __bswap_constant_16(x) \
+ ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
+
+#if defined __GNUC__ && __GNUC__ >= 2
+# define __bswap_16(x) \
+ ({ register unsigned short int __v; \
+ if (__builtin_constant_p (x)) \
+ __v = __bswap_constant_16 (x); \
+ else \
+ __asm__ __volatile__ ("rorw $8, %w0" \
+ : "=q" (__v) \
+ : "0" ((unsigned short int) (x)) \
+ : "cc"); \
+ __v; })
+#else
+/* This is better than nothing. */
+# define __bswap_16(x) __bswap_constant_16 (x)
+#endif
+
+
+/* Swap bytes in 32 bit value. */
+#define __bswap_constant_32(x) \
+ ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
+ (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
+
+#if defined __GNUC__ && __GNUC__ >= 2
+/* To swap the bytes in a word the i486 processors and up provide the
+ `bswap' opcode. On i386 we have to use three instructions. */
+# if !defined __i486__ && !defined __pentium__ && !defined __pentiumpro__
+# define __bswap_32(x) \
+ ({ register unsigned int __v; \
+ if (__builtin_constant_p (x)) \
+ __v = __bswap_constant_32 (x); \
+ else \
+ __asm__ __volatile__ ("rorw $8, %w0;" \
+ "rorl $16, %0;" \
+ "rorw $8, %w0" \
+ : "=q" (__v) \
+ : "0" ((unsigned int) (x)) \
+ : "cc"); \
+ __v; })
+# else
+# define __bswap_32(x) \
+ ({ register unsigned int __v; \
+ if (__builtin_constant_p (x)) \
+ __v = __bswap_constant_32 (x); \
+ else \
+ __asm__ __volatile__ ("bswap %0" \
+ : "=r" (__v) \
+ : "0" ((unsigned int) (x))); \
+ __v; })
+# endif
+#else
+# define __bswap_32(x) __bswap_constant_32 (x)
+#endif
+
+
+#if defined __GNUC__ && __GNUC__ >= 2
+/* Swap bytes in 64 bit value. */
+# define __bswap_64(x) \
+ ({ union { unsigned long long int __ll; \
+ unsigned long int __l[2]; } __v, __r; \
+ __v.__ll = (x); \
+ __r.__l[0] = __bswap_32 (__v.__l[1]); \
+ __r.__l[1] = __bswap_32 (__v.__l[0]); \
+ __r.__ll; })
+#endif
+
+#endif /* bits/byteswap.h */
diff --git a/sysdeps/i386/bits/htontoh.h b/sysdeps/i386/bits/htontoh.h
deleted file mode 100644
index 590b509875..0000000000
--- a/sysdeps/i386/bits/htontoh.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/* Copyright (C) 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 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 _NETINET_IN_H
-# error "Don't include this file directly, use <netinet/in.h>"
-#endif
-
-#if defined __GNUC__ && __GNUC__ >= 2
-/* We can use inline assembler instructions to optimize the code. */
-
-/* To swap the bytes in a word the i486 processors and up provide the
- `bswap' opcode. On i386 we have to use three instructions. */
-# if !defined __i486__ && !defined __pentium__ && !defined __pentiumpro__
-
-extern __inline u_int32_t
-__ntohl (u_int32_t netlong)
-{
- register u_int32_t hostlong;
-
- __asm__ ("rorw $8, %w0; rorl $16, %0; rorw $8, %w0"
- : "=r" (hostlong)
- : "0" (netlong));
-
- return hostlong;
-}
-
-# else
-
-extern __inline u_int32_t
-__ntohl (u_int32_t netlong)
-{
- register u_int32_t hostlong;
-
- __asm__ ("bswap %0" : "=r" (hostlong) : "0" (netlong));
-
- return hostlong;
-}
-
-# endif
-
-/* For a short word we have a simple solution. */
-extern __inline u_int16_t
-__ntohs (u_int16_t netshort)
-{
- register u_int16_t hostshort;
-
- __asm__ ("rorw $8, %w0" : "=r" (hostshort) : "0" (netshort));
-}
-
-
-/* The other direction can be handled with the same functions. */
-extern __inline u_int32_t
-__htonl (u_int32_t hostlong)
-{
- return __ntohl (hostlong);
-}
-
-extern __inline u_int16_t
-__htons (u_int16_t hostshort)
-{
- return __ntohs (hostshort);
-}
-
-#endif /* GNU CC */
diff --git a/sysdeps/i386/htonl.S b/sysdeps/i386/htonl.S
index 73dd1e9bea..9c87be6392 100644
--- a/sysdeps/i386/htonl.S
+++ b/sysdeps/i386/htonl.S
@@ -26,14 +26,12 @@
*/
.text
-ENTRY (__htonl)
+ENTRY (htonl)
movl 4(%esp), %eax
rorw $8, %ax
rorl $16, %eax
rorw $8, %ax
ret
-END (__htonl)
+END (htonl)
-strong_alias (__htonl, __ntohl)
-weak_alias (__htonl, htonl)
-weak_alias (__ntohl, ntohl)
+weak_alias (htonl, ntohl)
diff --git a/sysdeps/i386/htons.S b/sysdeps/i386/htons.S
index 5d0f59c92b..b0539c55cd 100644
--- a/sysdeps/i386/htons.S
+++ b/sysdeps/i386/htons.S
@@ -26,13 +26,11 @@
*/
.text
-ENTRY (__htons)
+ENTRY (htons)
movl 4(%esp), %eax
andl $0xffff, %eax
rorw $8, %ax
ret
-END (__htons)
+END (htons)
-strong_alias (__htons, __ntohs)
-weak_alias (__htons, htons)
-weak_alias (__ntohs, ntohs)
+weak_alias (htons, ntohs)
diff --git a/sysdeps/i386/i486/htonl.S b/sysdeps/i386/i486/htonl.S
index cf3a94fc76..a61b339b81 100644
--- a/sysdeps/i386/i486/htonl.S
+++ b/sysdeps/i386/i486/htonl.S
@@ -26,12 +26,10 @@
*/
.text
-ENTRY (__htonl)
+ENTRY (htonl)
movl 4(%esp), %eax
bswap %eax
ret
-END (__htonl)
+END (htonl)
-strong_alias (__htonl, __ntohl)
-weak_alias (__htonl, htonl)
-weak_alias (__ntohl, ntohl)
+weak_alias (htonl, ntohl)
diff --git a/sysdeps/m68k/fpu/fraiseexcpt.c b/sysdeps/m68k/fpu/fraiseexcpt.c
index d509604e28..bc49c9c71f 100644
--- a/sysdeps/m68k/fpu/fraiseexcpt.c
+++ b/sysdeps/m68k/fpu/fraiseexcpt.c
@@ -48,43 +48,17 @@ feraiseexcept (int excepts)
/* Next: overflow. */
if (excepts & FE_OVERFLOW)
{
- /* We cannot raise the overflow exception without also setting the
- inexact flag. Restore it after the operation, unless it should
- be set anyway. */
long double d = LDBL_MAX;
- fexcept_t fpsr;
- __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
- __asm__ __volatile__ ("fmul%.x %0,%0" : "=f" (d) : "0" (d));
- if (!((excepts | fpsr) & FE_INEXACT))
- {
- __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
- fpsr &= ~FE_INEXACT;
- __asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr));
- }
- else
- __asm__ ("fnop");
+ __asm__ __volatile__ ("fmul%.x %0,%0; fnop" : "=f" (d) : "0" (d));
}
/* Next: underflow. */
if (excepts & FE_UNDERFLOW)
{
- /* We cannot raise the underflow exception without also setting the
- inexact flag. Restore it after the operation, unless it should
- be set anyway. */
long double d = -LDBL_MAX;
- fexcept_t fpsr;
- __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
- __asm__ __volatile__ ("fetox%.x %0" : "=f" (d) : "0" (d));
- if (!((excepts | fpsr) & FE_INEXACT))
- {
- __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
- fpsr &= ~FE_INEXACT;
- __asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr));
- }
- else
- __asm__ ("fnop");
+ __asm__ __volatile__ ("fetox%.x %0; fnop" : "=f" (d) : "0" (d));
}
/* Last: inexact. */
diff --git a/sysdeps/unix/i386/sysdep.h b/sysdeps/unix/i386/sysdep.h
index 08bc0ba51c..97fb1dc4a2 100644
--- a/sysdeps/unix/i386/sysdep.h
+++ b/sysdeps/unix/i386/sysdep.h
@@ -26,9 +26,7 @@
#define DO_CALL(syscall_name, args) \
lea SYS_ify (syscall_name), %eax; \
- /* lcall $7, $0; */ \
- /* Above loses; GAS bug. */ \
- .byte 0x9a, 0, 0, 0, 0, 7, 0
+ lcall $7, $0
#define r0 %eax /* Normal return-value register. */
#define r1 %edx /* Secondary return-value register. */
diff --git a/sysdeps/unix/sysv/linux/Dist b/sysdeps/unix/sysv/linux/Dist
index 9272c06fa4..bdc333a5af 100644
--- a/sysdeps/unix/sysv/linux/Dist
+++ b/sysdeps/unix/sysv/linux/Dist
@@ -30,6 +30,7 @@ netipx/ipx.h
nfs/nfs.h
sys/acct.h
sys/debugreg.h
+sys/fsuid.h
sys/io.h
sys/kd.h
sys/kdaemon.h
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 1c5da4b9bf..ed9ae873fd 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -11,7 +11,7 @@ sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h sys/mtio.h \
sys/module.h sys/io.h sys/klog.h sys/kdaemon.h \
sys/user.h sys/sysmacros.h sys/procfs.h \
sys/debugreg.h sys/kd.h sys/soundcard.h sys/vt.h \
- sys/quota.h
+ sys/quota.h sys/fsuid.h
install-others += $(inst_includedir)/bits/syscall.h
diff --git a/sysdeps/generic/bits/htontoh.h b/sysdeps/unix/sysv/linux/sys/fsuid.h
index fa4efed867..8185b95724 100644
--- a/sysdeps/generic/bits/htontoh.h
+++ b/sysdeps/unix/sysv/linux/sys/fsuid.h
@@ -16,8 +16,21 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#ifndef _NETINET_IN_H
-# error "Don't include this file directly, use <netinet/in.h>"
-#endif
+#ifndef _SYS_FSUID_H
+#define _SYS_FSUID_H 1
-/* We cannot give generic optimized versions here. */
+#include <features.h>
+#include <gnu/types.h>
+
+__BEGIN_DECLS
+
+/* Change uid used for file access control to UID, without affecting
+ other priveledges (such as who can send signals at the process). */
+extern int setfsuid __P ((__uid_t __uid));
+
+/* Ditto for group id. */
+extern int setfsgid __P ((__gid_t __gid));
+
+__END_DECLS
+
+#endif /* fsuid.h */
diff --git a/sysdeps/vax/htonl.s b/sysdeps/vax/htonl.s
index 93e13ea9a1..ba399865ec 100644
--- a/sysdeps/vax/htonl.s
+++ b/sysdeps/vax/htonl.s
@@ -23,11 +23,9 @@
#include "DEFS.h"
-ENTRY(__htonl, 0)
+ENTRY(htonl, 0)
rotl $-8,4(ap),r0
insv r0,$16,$8,r0
movb 7(ap),r0
ret
-strong_alias (__htonl, __ntohl)
-weak_alias (__htonl, htonl)
-weak_alias (__ntohl, ntohl)
+weak_alias (htonl, ntohl)
diff --git a/sysdeps/vax/htons.s b/sysdeps/vax/htons.s
index 16964c2861..1e781a17c9 100644
--- a/sysdeps/vax/htons.s
+++ b/sysdeps/vax/htons.s
@@ -28,6 +28,4 @@ ENTRY(htons, 0)
movb 5(ap),r0
movzwl r0,r0
ret
-strong_alias (__htons, __ntohs)
-weak_alias (__htons, htons)
-weak_alias (__ntohs, ntohs)
+weak_alias (htons, ntohs)
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 16:08:03 +0000