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-rw-r--r--sysdeps/alpha/div.S21
-rw-r--r--sysdeps/alpha/ldiv.S19
-rw-r--r--sysdeps/generic/machine-gmon.h34
-rw-r--r--sysdeps/i386/Dist2
-rw-r--r--sysdeps/i386/Makefile4
-rw-r--r--sysdeps/i386/dl-machine.h32
-rw-r--r--sysdeps/i386/i386-mcount.S65
-rw-r--r--sysdeps/i386/machine-gmon.h41
-rw-r--r--sysdeps/posix/readv.c9
-rw-r--r--sysdeps/posix/writev.c9
-rw-r--r--sysdeps/stub/readv.c31
-rw-r--r--sysdeps/stub/writev.c31
-rw-r--r--sysdeps/unix/syscalls.list4
-rw-r--r--sysdeps/unix/sysv/linux/alpha/ioperm.c1
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.S5
-rw-r--r--sysdeps/unix/sysv/linux/readv.c32
-rw-r--r--sysdeps/unix/sysv/linux/writev.c31
17 files changed, 254 insertions, 117 deletions
diff --git a/sysdeps/alpha/div.S b/sysdeps/alpha/div.S
index 6c461c40d4..6a5c4429e8 100644
--- a/sysdeps/alpha/div.S
+++ b/sysdeps/alpha/div.S
@@ -1,7 +1,6 @@
-/* Copyright (C) 1996 Free Software Foundation, Inc.
-   Contributed by Richard Henderson (rth@tamu.edu)
-
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
+   Contributed by Richard Henderson <rth@tamu.edu>.
 
    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
@@ -14,10 +13,9 @@
    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.  */
-
+   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.  */
 
 #include <sysdep.h>
 
@@ -44,7 +42,6 @@ div:
 	.prologue 0
 #endif
 
-#define dividend  t0
 #define divisor   t1
 #define mask      t2
 #define quotient  t3
@@ -54,11 +51,13 @@ div:
 #define compare   t7
 
 	/* find correct sign for input to unsigned divide loop. */
+	negl	a1, modulus			# e0    :
+	negl	a2, divisor			# .. e1 :
 	sextl	a1, a1				# e0    :
 	sextl	a2, a2				# .. e1 :
-	negl	a1, dividend			# e0    :
-	negl	a2, divisor			# .. e1 :
-	cmovge	a1, a1, dividend		# e0    :
+	mov	zero, quotient			# e0    :
+	mov	1, mask				# .. e1 :
+	cmovge	a1, a1, modulus			# e0    :
 	cmovge	a2, a2, divisor			# .. e1 :
 	beq	a2, $divbyzero			# e1    :
 	unop					#       :
diff --git a/sysdeps/alpha/ldiv.S b/sysdeps/alpha/ldiv.S
index ebbe055870..08bf8eb08d 100644
--- a/sysdeps/alpha/ldiv.S
+++ b/sysdeps/alpha/ldiv.S
@@ -1,7 +1,6 @@
-/* Copyright (C) 1996 Free Software Foundation, Inc.
-   Contributed by Richard Henderson (rth@tamu.edu)
-
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
+   Contributed by Richard Henderson <rth@tamu.edu>.
 
    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
@@ -14,10 +13,9 @@
    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.  */
-
+   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.  */
 
 #include <sysdep.h>
 
@@ -44,7 +42,6 @@ ldiv:
 	.prologue 0
 #endif
 
-#define dividend  t0
 #define divisor   t1
 #define mask      t2
 #define quotient  t3
@@ -54,11 +51,13 @@ ldiv:
 #define compare   t7
 
 	/* find correct sign for input to unsigned divide loop. */
-	mov	a1, dividend			# e0    :
+	mov	a1, modulus			# e0    :
 	mov	a2, divisor			# .. e1 :
 	negq	a1, tmp1			# e0    :
 	negq	a2, tmp2			# .. e1 :
-	cmovlt	a1, tmp1, dividend		# e0    :
+	mov	zero, quotient			# e0    :
+	mov	1, mask				# .. e1 :
+	cmovlt	a1, tmp1, modulus		# e0    :
 	cmovlt	a2, tmp2, divisor		# .. e1 :
 	beq	a2, $divbyzero			# e1    :
 	unop					#       :
diff --git a/sysdeps/generic/machine-gmon.h b/sysdeps/generic/machine-gmon.h
index 31f852dece..c4a2168322 100644
--- a/sysdeps/generic/machine-gmon.h
+++ b/sysdeps/generic/machine-gmon.h
@@ -1,21 +1,21 @@
 /* Machine-dependent definitions for profiling support.  Generic GCC 2 version.
-Copyright (C) 1996 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., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   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 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.  */
 
 /* GCC version 2 gives us a perfect magical function to get
    just the information we need:
diff --git a/sysdeps/i386/Dist b/sysdeps/i386/Dist
new file mode 100644
index 0000000000..50c07d120a
--- /dev/null
+++ b/sysdeps/i386/Dist
@@ -0,0 +1,2 @@
+i386-mcount.S
+machine-gmon.h
diff --git a/sysdeps/i386/Makefile b/sysdeps/i386/Makefile
index 21caf42052..35e0422bdb 100644
--- a/sysdeps/i386/Makefile
+++ b/sysdeps/i386/Makefile
@@ -5,6 +5,10 @@ asm-CPPFLAGS := $(asm-CPPFLAGS) -DGAS_SYNTAX
 # The i386 `long double' is a distinct type we support.
 long-double-fcts = yes
 
+ifeq ($(subdir),gmon)
+sysdep_routines += i386-mcount
+endif
+
 ifeq ($(subdir),elf)
 CFLAGS-rtld.c += -Wno-uninitialized -Wno-unused
 CFLAGS-dl-load.c += -Wno-unused
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index 90ec6ce9f9..40623e795c 100644
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -70,11 +70,16 @@ elf_machine_load_address (void)
   (dynamic_info)[DT_RELSZ]->d_un.d_val -= sizeof (Elf32_Rel);
 
 
+#ifndef PROF
 /* We add a declaration of this function here so that in dl-runtime.c
    the ELF_MACHINE_RUNTIME_TRAMPOLINE macro really can pass the parameters
-   in registers.  */
+   in registers.
+
+   We cannot use this scheme for profiling because the _mcount call
+   destroys the passed register information.  */
 static ElfW(Addr) fixup (struct link_map *l, ElfW(Word) reloc_offset)
      __attribute__ ((regparm (2), unused));
+#endif
 
 /* Set up the loaded object described by L so its unrelocated PLT
    entries will jump to the on-demand fixup code in dl-runtime.c.  */
@@ -101,7 +106,8 @@ elf_machine_runtime_setup (struct link_map *l, int lazy)
 
   /* This code is used in dl-runtime.c to call the `fixup' function
      and then redirect to the address it returns.  */
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
+#ifndef PROF
+# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
 	.globl _dl_runtime_resolve
 	.type _dl_runtime_resolve, @function
 _dl_runtime_resolve:
@@ -117,6 +123,28 @@ _dl_runtime_resolve:
 	ret $8			# Jump to function address.
 	.size _dl_runtime_resolve, .-_dl_runtime_resolve
 ");
+#else
+# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
+	.globl _dl_runtime_resolve
+	.type _dl_runtime_resolve, @function
+_dl_runtime_resolve:
+	pushl %eax		# Preserve registers otherwise clobbered.
+	pushl %ecx
+	pushl %edx
+	movl 16(%esp), %edx	# Push the arguments for `fixup'
+	movl 12(%esp), %eax
+	pushl %edx
+	pushl %eax
+	call fixup		# Call resolver.
+	popl %edx		# Pop the parameters
+	popl %ecx
+	popl %edx		# Get register content back.
+	popl %ecx
+	xchgl %eax, (%esp)	# Get %eax contents end store function address.
+	ret $8			# Jump to function address.
+	.size _dl_runtime_resolve, .-_dl_runtime_resolve
+");
+#endif
 /* The PLT uses Elf32_Rel relocs.  */
 #define elf_machine_relplt elf_machine_rel
 }
diff --git a/sysdeps/i386/i386-mcount.S b/sysdeps/i386/i386-mcount.S
new file mode 100644
index 0000000000..60d52e98fa
--- /dev/null
+++ b/sysdeps/i386/i386-mcount.S
@@ -0,0 +1,65 @@
+/* i386-specific implemetation of profiling support.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   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.  */
+
+#include <sysdep.h>
+
+/* We need a special version of the `mcount' function since for ix86 it
+   must not clobber any register.  This has several reasons:
+     - there is a bug in gcc as of version 2.7.2.2 which prohibits the
+       use of profiling together with nested functions
+     - the ELF `fixup' function uses GCC's regparm feature
+     - some (future) systems might want to pass parameters in registers.  */
+
+	ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(_mcount)
+	ASM_TYPE_DIRECTIVE(C_SYMBOL_NAME(_mcount), @function)
+	.align ALIGNARG(4)
+C_LABEL(_mcount)
+	/* Save the caller-clobbered registers.  */
+	pushl %eax
+	pushl %ecx
+	pushl %edx
+
+	movl 12(%esp), %eax
+	movl 4(%ebp), %ecx
+	pushl %eax
+	pushl %ecx
+
+#ifdef PIC
+	call 1f
+1:	popl %ecx
+	addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+	movl C_SYMBOL_NAME(__mcount_internal@GOTOFF)(%ecx), %eax
+	call *%eax
+#else
+	call C_SYMBOL_NAME(__mcount_internal)
+#endif
+	popl %ecx
+	popl %eax	/* Pop the parameters.  */
+
+	/* Pop the saved registers.  Please note that `mcount' has no
+	   return value.  */
+	popl %edx
+	popl %ecx
+	popl %eax
+	ret
+	ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(_mcount))
+
+#undef mcount
+weak_alias(_mcount, mcount)
diff --git a/sysdeps/i386/machine-gmon.h b/sysdeps/i386/machine-gmon.h
new file mode 100644
index 0000000000..496a57eb84
--- /dev/null
+++ b/sysdeps/i386/machine-gmon.h
@@ -0,0 +1,41 @@
+/* i386-specific implemetation of profiling support.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   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.  */
+
+#include <sysdep.h>
+
+/* We need a special version of the `mcount' function since for ix86 it
+   must not clobber any register.  This has several reasons:
+     - there is a bug in gcc as of version 2.7.2.2 which prohibits the
+       use of profiling together with nested functions
+     - the ELF `fixup' function uses GCC's regparm feature
+     - some (future) systems might want to pass parameters in registers.  */
+
+/* We must not pollute the global namespace.  */
+#define mcount_internal __mcount_internal
+
+void mcount_internal (u_long frompc, u_long selfpc);
+
+#define _MCOUNT_DECL(frompc, selfpc) \
+void mcount_internal (u_long frompc, u_long selfpc)
+
+
+/* Define MCOUNT as empty since we have a the implementation in another
+   file.  */
+#define MCOUNT
diff --git a/sysdeps/posix/readv.c b/sysdeps/posix/readv.c
index 878accaf92..e4a2163f6d 100644
--- a/sysdeps/posix/readv.c
+++ b/sysdeps/posix/readv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 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
@@ -27,7 +27,7 @@
    Operates just like `read' (see <unistd.h>) except that data are
    put in VECTOR instead of a contiguous buffer.  */
 ssize_t
-readv (fd, vector, count)
+__readv (fd, vector, count)
      int fd;
      const struct iovec *vector;
      int count;
@@ -46,7 +46,7 @@ readv (fd, vector, count)
   buffer = (char *) __alloca (bytes);
 
   /* Read the data.  */
-  bytes_read = read (fd, buffer, bytes);
+  bytes_read = __read (fd, buffer, bytes);
   if (bytes_read <= 0)
     return -1;
 
@@ -67,3 +67,6 @@ readv (fd, vector, count)
 
   return bytes_read;
 }
+#ifndef __readv
+weak_alias (__readv, readv)
+#endif
diff --git a/sysdeps/posix/writev.c b/sysdeps/posix/writev.c
index 2f0572f837..f6f685ce7a 100644
--- a/sysdeps/posix/writev.c
+++ b/sysdeps/posix/writev.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 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
@@ -27,7 +27,7 @@
    Operates just like `write' (see <unistd.h>) except that the data
    are taken from VECTOR instead of a contiguous buffer.  */
 ssize_t
-writev (fd, vector, count)
+__writev (fd, vector, count)
      int fd;
      const struct iovec *vector;
      int count;
@@ -61,5 +61,8 @@ writev (fd, vector, count)
 	break;
     }
 
-  return write (fd, buffer, bytes);
+  return __write (fd, buffer, bytes);
 }
+#ifndef __writev
+weak_alias (__writev, writev)
+#endif
diff --git a/sysdeps/stub/readv.c b/sysdeps/stub/readv.c
index b537499b07..a3240df239 100644
--- a/sysdeps/stub/readv.c
+++ b/sysdeps/stub/readv.c
@@ -1,20 +1,20 @@
-/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 1995, 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 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 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.
+   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.  */
+   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.  */
 
 #include <errno.h>
 #include <unistd.h>
@@ -26,7 +26,7 @@ Cambridge, MA 02139, USA.  */
    Operates just like `read' (see <unistd.h>) except that data are
    put in VECTOR instead of a contiguous buffer.  */
 int
-readv (fd, vector, count)
+__readv (fd, vector, count)
      int fd;
      const struct iovec *vector;
      size_t count;
@@ -34,5 +34,6 @@ readv (fd, vector, count)
   __set_errno (ENOSYS);
   return -1;
 }
+weak_alias (__readv, readv)
 
 stub_warning (readv)
diff --git a/sysdeps/stub/writev.c b/sysdeps/stub/writev.c
index 593880c0e9..1fd7c2ec73 100644
--- a/sysdeps/stub/writev.c
+++ b/sysdeps/stub/writev.c
@@ -1,20 +1,20 @@
-/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 1995, 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 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 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.
+   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.  */
+   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.  */
 
 #include <errno.h>
 #include <unistd.h>
@@ -26,7 +26,7 @@ Cambridge, MA 02139, USA.  */
    Operates just like `write' (see <unistd.h>) except that the data
    are taken from VECTOR instead of a contiguous buffer.  */
 int
-writev (fd, vector, count)
+__writev (fd, vector, count)
      int fd;
      const struct iovec *vector;
      size_t count;
@@ -34,5 +34,6 @@ writev (fd, vector, count)
   __set_errno (ENOSYS);
   return -1;
 }
+weak_alias (__writev, writev)
 
 stub_warning (writev)
diff --git a/sysdeps/unix/syscalls.list b/sysdeps/unix/syscalls.list
index 9a2325c35c..5ececa058c 100644
--- a/sysdeps/unix/syscalls.list
+++ b/sysdeps/unix/syscalls.list
@@ -31,7 +31,7 @@ profil		-	profil		4	profil
 ptrace		-	ptrace		4	ptrace
 read		-	read		3	__libc_read	__read read
 readlink	-	readlink	3	__readlink	readlink
-readv		-	readv		3	readv
+readv		-	readv		3	__readv		readv
 reboot		-	reboot		1	reboot
 rename		-	rename		2	rename
 rmdir		-	rmdir		1	__rmdir		rmdir
@@ -62,4 +62,4 @@ uname		-	uname		1	uname
 unlink		-	unlink		1	__unlink	unlink
 utimes		-	utimes		2	__utimes	utimes
 write		-	write		3	__libc_write	__write write
-writev		-	writev		3	writev
+writev		-	writev		3	__writev	writev
diff --git a/sysdeps/unix/sysv/linux/alpha/ioperm.c b/sysdeps/unix/sysv/linux/alpha/ioperm.c
index b39f39a0d7..63bf17588a 100644
--- a/sysdeps/unix/sysv/linux/alpha/ioperm.c
+++ b/sysdeps/unix/sysv/linux/alpha/ioperm.c
@@ -35,6 +35,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
+#include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.S b/sysdeps/unix/sysv/linux/i386/sysdep.S
index 4b86d1dfe7..a686495818 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.S
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 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
@@ -45,6 +45,9 @@ _errno = errno	/* This name is expected by hj's libc.so.5 startup code.  */
    The code for Linux is almost identical to the canonical Unix/i386
    code, except that the error number in %eax is negated.  */
 
+#undef CALL_MCOUNT
+#define CALL_MCOUNT /* Don't insert the profiling call, it clobbers %eax.  */
+
 ENTRY (__syscall_error)
 	negl %eax
 
diff --git a/sysdeps/unix/sysv/linux/readv.c b/sysdeps/unix/sysv/linux/readv.c
index c8ff55ab45..2c215ce920 100644
--- a/sysdeps/unix/sysv/linux/readv.c
+++ b/sysdeps/unix/sysv/linux/readv.c
@@ -23,6 +23,8 @@
 #include <sys/uio.h>
 
 extern ssize_t __syscall_readv __P ((int, __const struct iovec *, int));
+static ssize_t __atomic_readv_replacement __P ((int, __const struct iovec *,
+						int));
 
 
 /* Not all versions of the kernel support the large number of records.  */
@@ -34,7 +36,7 @@ extern ssize_t __syscall_readv __P ((int, __const struct iovec *, int));
 /* We should deal with kernel which have a smaller UIO_FASTIOV as well
    as a very big count.  */
 ssize_t
-readv (fd, vector, count)
+__readv (fd, vector, count)
      int fd;
      const struct iovec *vector;
      int count;
@@ -44,25 +46,15 @@ readv (fd, vector, count)
 
   bytes_read = __syscall_readv (fd, vector, count);
 
-  if (bytes_read < 0 && errno == EINVAL && count > UIO_FASTIOV)
-    {
-      int i;
+  if (bytes_read >= 0 || errno != EINVAL || count <= UIO_FASTIOV)
+    return bytes_read;
 
-      /* Restore the old error value as if nothing happened.  */
-      __set_errno (errno_saved);
+  /* Restore the old error value as if nothing happened.  */
+  __set_errno (errno_saved);
 
-      bytes_read = 0;
-      for (i = 0; i < count; i += UIO_FASTIOV)
-	{
-	  ssize_t bytes = __syscall_readv (fd, vector + i,
-					   MIN (count - i, UIO_FASTIOV));
-
-	  if (bytes < 0)
-	    return bytes;
-
-	  bytes_read += bytes;
-	}
-    }
-
-  return bytes_read;
+  return __atomic_readv_replacement (fd, vector, count);
 }
+weak_alias (__readv, readv)
+
+#define __readv static __atomic_readv_replacement
+#include <sysdeps/posix/readv.c>
diff --git a/sysdeps/unix/sysv/linux/writev.c b/sysdeps/unix/sysv/linux/writev.c
index d147186b51..31e794fb04 100644
--- a/sysdeps/unix/sysv/linux/writev.c
+++ b/sysdeps/unix/sysv/linux/writev.c
@@ -23,6 +23,9 @@
 #include <sys/uio.h>
 
 extern ssize_t __syscall_writev __P ((int, const struct iovec *, int));
+static ssize_t __atomic_writev_replacement __P ((int, const struct iovec *,
+						 int));
+
 
 /* Not all versions of the kernel support the large number of records.  */
 #ifndef UIO_FASTIOV
@@ -33,7 +36,7 @@ extern ssize_t __syscall_writev __P ((int, const struct iovec *, int));
 /* We should deal with kernel which have a smaller UIO_FASTIOV as well
    as a very big count.  */
 ssize_t
-writev (fd, vector, count)
+__writev (fd, vector, count)
      int fd;
      const struct iovec *vector;
      int count;
@@ -43,23 +46,15 @@ writev (fd, vector, count)
 
   bytes_written = __syscall_writev (fd, vector, count);
 
-  if (bytes_written < 0 && errno == EINVAL && count > UIO_FASTIOV)
-    {
-      int i;
-
-      /* Restore the old error value as if nothing happened.  */
-      __set_errno (errno_saved);
+  if (bytes_written >= 0 || errno != EINVAL || count <= UIO_FASTIOV)
+    return bytes_written;
 
-      bytes_written = 0;
-      for (i = 0; i < count; i += UIO_FASTIOV)
-	{
-	  ssize_t bytes = __syscall_writev (fd, vector + i,
-					    MIN (count - i, UIO_FASTIOV));
+  /* Restore the old error value as if nothing happened.  */
+  __set_errno (errno_saved);
 
-	  if (bytes < 0)
-	    return bytes_written > 0 ? bytes_written : bytes;
-	}
-    }
-
-  return bytes_written;
+  return __atomic_writev_replacement (fd, vector, count);
 }
+weak_alias (__writev, writev)
+
+#define __writev static __atomic_writev_replacement
+#include <sysdeps/posix/writev.c>
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-15 21:34:40 +0000