klibc: version 1.0.14

Signed-off-by: Kay Sievers <kay.sievers@suse.de>

19 files changed, 141 insertions, 37 deletions

diff --git a/klibc/Makefile b/klibc/Makefile
index 5071e60da4..e634aaccb5 100644
--- a/klibc/Makefile
+++ b/klibc/Makefile
@@ -69,4 +69,9 @@ local-install: $(CROSS)klcc
 	$(INSTALL_DATA) klcc.1 $(INSTALLROOT)$(mandir)/man1/$(KCROSS)klcc.1
 	$(INSTALL_EXEC) $(KCROSS)klcc $(INSTALLROOT)$(bindir)
 
+# This does all the prep work needed to turn a freshly exported git repository
+# into a release tarball tree
+release: klibc.spec
+	rm -f maketar.sh
+
 -include MCONFIG
diff --git a/klibc/include/net/if_ether.h b/klibc/include/netinet/if_ether.h
index 060ef22070..060ef22070 100644
--- a/klibc/include/net/if_ether.h
+++ b/klibc/include/netinet/if_ether.h
diff --git a/klibc/include/netpacket/packet.h b/klibc/include/netpacket/packet.h
new file mode 100644
index 0000000000..b5e8e0e11f
--- /dev/null
+++ b/klibc/include/netpacket/packet.h
@@ -0,0 +1 @@
+#include <linux/if_packet.h>
diff --git a/klibc/include/signal.h b/klibc/include/signal.h
index ab3c98d6e4..05930bdea1 100644
--- a/klibc/include/signal.h
+++ b/klibc/include/signal.h
@@ -82,10 +82,6 @@ __extern int sigaction(int, const struct sigaction *, struct sigaction *);
 __extern int sigprocmask(int, const sigset_t *, sigset_t *);
 __extern int sigpending(sigset_t *);
 __extern int sigsuspend(const sigset_t *);
-__extern int rt_sigaction(int, const struct sigaction *, struct sigaction *, size_t);
-__extern int rt_sigprocmask(int, const sigset_t *, sigset_t *, size_t);
-__extern int rt_sigpending(sigset_t *, size_t);
-__extern int rt_sigsuspend(const sigset_t *, size_t);
 __extern int raise(int);
 __extern int kill(pid_t, int);
 
diff --git a/klibc/klcc.1 b/klibc/klcc.1
index a6f979c6c4..76334a3a54 100644
--- a/klibc/klcc.1
+++ b/klibc/klcc.1
@@ -1,4 +1,4 @@
-.\" $Id: klcc.1,v 1.2 2005/03/02 02:24:17 hpa Exp $
+.\" $Id: klcc.1,v 1.3 2005/04/19 23:27:46 hpa Exp $
 .\" -----------------------------------------------------------------------
 .\"   
 .\"   Copyright 2005 H. Peter Anvin - All Rights Reserved
@@ -39,7 +39,9 @@ klcc \- compile a program against klibc
 .B klcc
 is a wrapper around
 .BR gcc (1)
-to compile a program against the
+and
+.BR ld (1)
+which compiles and links a program against the
 .B klibc
 tiny C library.  It supports most
 .B gcc
@@ -63,7 +65,12 @@ or
 option to use the default optimization level; this will generally
 result in the smallest binaries.  You may want to use
 .B \-s
-when linking, however.
+when linking, however.  Use
+.B \-O0
+to compile without any optimization whatsoever; this may not work depending
+on the version of
+.B gcc
+used.
 .PP
 Use the
 .B \-shared
@@ -72,10 +79,38 @@ or
 option to compile for and link against shared or static klibc.  Note
 that shared klibc only supports running against the exact same klibc
 binary as the binary was linked with.
+.PP
+In addition to standard
+.B gcc
+options,
+.B klcc
+supports options of the form \fB\-print-klibc-\fP\fIoption\fP,
+which prints the corresponding klibc configuration option.
 .SH AUTHOR
 Written by H. Peter Anvin <hpa@zytor.com>.
 .SH COPYRIGHT
-Copyright \(co 2005 H. Peter Anvin.
+Copyright \(co 2005 H. Peter Anvin \- All Rights Reserved
+.PP
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following
+conditions:
+.PP
+The above copyright notice and this permission notice shall
+be included in all copies or substantial portions of the Software.
+.PP
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
 .SH "SEE ALSO"
 .BR gcc (1)
 
diff --git a/klibc/klcc.in b/klibc/klcc.in
index 36c4d9b3ee..5629f24f1c 100644
--- a/klibc/klcc.in
+++ b/klibc/klcc.in
@@ -1,5 +1,7 @@
 # -*- perl -*-
 
+use IPC::Open3;
+
 # Standard includes
 @includes = ("-I${prefix}/${KCROSS}include/arch/${ARCH}",
 	     "-I${prefix}/${KCROSS}include/bits${BITSIZE}",
@@ -57,7 +59,7 @@ sub files_with_lang($$) {
 
 	# Skip object files
 	if ( $need ne 'obj' ) {
-	    unless ( $xopt eq $need ) {
+	    unless ( $xopt eq $need || $need eq 'stdin') {
 		push(@as, '-x', $need);
 		$xopt = $need;
 	    }
@@ -79,7 +81,11 @@ sub syserr($) {
 # Run a program; printing out the command line if $verbose is set
 sub mysystem(@) {
     print STDERR join(' ', @_), "\n" if ( $verbose );
-    return system(@_);
+    my $cmd = shift;
+    open(INPUT, "<&STDIN");	# dup STDIN filehandle to INPUT
+    my $childpid = open3("<&INPUT", ">&STDOUT", ">&STDERR", $cmd, @_);
+    waitpid ($childpid, 0);
+    return $?;
 }
 
 #
@@ -117,6 +123,11 @@ while ( defined($a = shift(@ARGV)) ) {
 	# Not an option.  Must be a filename then.
 	push(@files, $a);
 	$flang{$a} = $lang || filename2lang($a);
+    } elsif ( $a eq '-' ) {
+	# gcc gets its input from stdin
+	push(@files, $a);
+	# prevent setting -x
+	$flang{$a} = 'stdin'
     } elsif ( $a =~ /^-print-klibc-(.*)$/ ) {
 	# This test must precede -print
 	if ( defined($conf{$1}) ) {
diff --git a/klibc/klibc/SYSCALLS.def b/klibc/klibc/SYSCALLS.def
index e8b9a7f176..11d8c9a47e 100644
--- a/klibc/klibc/SYSCALLS.def
+++ b/klibc/klibc/SYSCALLS.def
@@ -145,17 +145,29 @@ ssize_t pwrite64,pwrite::pwrite(int, void *, size_t, off_t)
 ;
 ; Signal operations
 ;
-int kill(pid_t, int)
 ; We really should get rid of the non-rt_* of these, but that takes
-; sanitizing <signal.h> for all architectures, sigh...
-<?> int sigaction(int, const struct sigaction *, struct sigaction *)
-<?> int sigsuspend(const sigset_t *)
-<?> int sigpending(sigset_t *)
-<?> int sigprocmask(int, const sigset_t *, sigset_t *)
-int rt_sigaction(int, const struct sigaction *, struct sigaction *, size_t)
-int rt_sigsuspend(const sigset_t *, size_t)
-int rt_sigpending(sigset_t *, size_t)
-int rt_sigprocmask(int, const sigset_t *, sigset_t *, size_t)
+; sanitizing <signal.h> for all architectures, sigh.
+#ifdef __NR_sigaction
+int sigaction::__sigaction(int, const struct sigaction *, struct sigaction *)
+#else
+int rt_sigaction::__rt_sigaction(int, const struct sigaction *, struct sigaction *, size_t)
+#endif
+#ifdef __NR_sigsuspend
+int sigsuspend(const sigset_t *)
+#else
+int rt_sigsuspend::__rt_sigsuspend(const sigset_t *, size_t)
+#endif
+#ifdef __NR_sigpending
+int sigpending(sigset_t *)
+#else
+int rt_sigpending::__rt_sigpending(sigset_t *, size_t)
+#endif
+#ifdef __NR_sigprocmask
+int sigprocmask(int, const sigset_t *, sigset_t *)
+#else
+int rt_sigprocmask::__rt_sigprocmask(int, const sigset_t *, sigset_t *, size_t)
+#endif
+int kill(pid_t, int)
 <?> unsigned int alarm(unsigned int)
 int getitimer(int, struct itimerval *)
 int setitimer(int, const struct itimerval *, struct itimerval *)
diff --git a/klibc/klibc/arch/i386/Makefile.inc b/klibc/klibc/arch/i386/Makefile.inc
index 5c320cb453..80344bd0a5 100644
--- a/klibc/klibc/arch/i386/Makefile.inc
+++ b/klibc/klibc/arch/i386/Makefile.inc
@@ -13,6 +13,7 @@ ARCHOBJS = \
 	arch/$(ARCH)/setjmp.o \
 	arch/$(ARCH)/syscall.o \
 	arch/$(ARCH)/open.o \
+	arch/$(ARCH)/sigreturn.o \
 	arch/$(ARCH)/libgcc/__ashldi3.o \
 	arch/$(ARCH)/libgcc/__ashrdi3.o \
 	arch/$(ARCH)/libgcc/__lshrdi3.o \
diff --git a/klibc/klibc/arch/x86_64/MCONFIG b/klibc/klibc/arch/x86_64/MCONFIG
index 13b6e391f9..c9b5da8bd6 100644
--- a/klibc/klibc/arch/x86_64/MCONFIG
+++ b/klibc/klibc/arch/x86_64/MCONFIG
@@ -15,8 +15,13 @@
 # debugging using gdb.
 #
 ARCHREQFLAGS = -m64
+ifeq ($(DEBUG),y)
+OPTFLAGS     = -Os -fomit-frame-pointer \
+		-falign-functions=0 -falign-jumps=0 -falign-loops=0
+else
 OPTFLAGS     = -Os -fno-asynchronous-unwind-tables -fomit-frame-pointer \
 		-falign-functions=0 -falign-jumps=0 -falign-loops=0
+endif
 BITSIZE      = 64
 LDFLAGS      = -m elf_x86_64
 
diff --git a/klibc/klibc/arch/x86_64/Makefile.inc b/klibc/klibc/arch/x86_64/Makefile.inc
index d6cc1204e4..26d880d7c7 100644
--- a/klibc/klibc/arch/x86_64/Makefile.inc
+++ b/klibc/klibc/arch/x86_64/Makefile.inc
@@ -10,7 +10,8 @@
 ARCHOBJS = \
 	arch/$(ARCH)/exits.o \
 	arch/$(ARCH)/setjmp.o \
-	arch/$(ARCH)/syscall.o
+	arch/$(ARCH)/syscall.o \
+	arch/$(ARCH)/sigreturn.o
 
 ARCHSOOBJS = $(patsubst %.o,%.lo,$(ARCHOBJS))
 
diff --git a/klibc/klibc/arch/x86_64/syscall.S b/klibc/klibc/arch/x86_64/syscall.S
index f2c74ae974..17977978b9 100644
--- a/klibc/klibc/arch/x86_64/syscall.S
+++ b/klibc/klibc/arch/x86_64/syscall.S
@@ -15,14 +15,14 @@ __syscall_common:
 	syscall
 
 	cmpq	$-4095,%rax
-	jb	1f
+	jnb	1f
+	ret
 
 	# Error return, must set errno
+1:
 	negl	%eax
 	movl	%eax,errno(%rip)	# errno is type int, so 32 bits
 	orq	$-1,%rax		# orq $-1 smaller than movq $-1
-
-1:
 	ret
 
 	.size	__syscall_common,.-__syscall_common
diff --git a/klibc/klibc/fgets.c b/klibc/klibc/fgets.c
index 88a145a63f..72f8a13cf1 100644
--- a/klibc/klibc/fgets.c
+++ b/klibc/klibc/fgets.c
@@ -20,6 +20,7 @@ char *fgets(char *s, int n, FILE *f)
       return NULL;
     }
     *p++ = ch;
+    n--;
     if ( ch == '\n' )
       break;
   }
diff --git a/klibc/klibc/sigaction.c b/klibc/klibc/sigaction.c
index 819ffd4fe8..85f42a244c 100644
--- a/klibc/klibc/sigaction.c
+++ b/klibc/klibc/sigaction.c
@@ -5,11 +5,40 @@
 #include <signal.h>
 #include <sys/syscall.h>
 
-#ifndef __NR_sigaction
+__extern void __sigreturn(void);
+__extern int __sigaction(int, const struct sigaction *, struct sigaction *);
+__extern int __rt_sigaction(int, const struct sigaction *, struct sigaction *, size_t);
 
 int sigaction(int sig, const struct sigaction *act, struct sigaction *oact)
 {
-  return rt_sigaction(sig, act, oact, sizeof(sigset_t));
-}
+  int rv;
+
+#if defined(__i386__) || defined(__x86_64__)
+  /* x86-64, and the Fedora i386 kernel, are broken without SA_RESTORER */
+  struct sigaction sa;
+
+  if ( act && !(act->sa_flags & SA_RESTORER) ) {
+    sa = *act;
+    act = &sa;
+
+    /* The kernel can't be trusted to have a valid default restorer */
+    sa.sa_flags |= SA_RESTORER;
+    sa.sa_restorer = &__sigreturn;
+  }
+#endif
 
+#ifdef __NR_sigaction
+  rv = __sigaction(sig, act, oact);
+#else
+  rv = __rt_sigaction(sig, act, oact, sizeof(sigset_t));
 #endif
+
+
+#if defined(__i386__) || defined(__x86_64__)
+  if ( oact && (oact->sa_restorer == &__sigreturn) ) {
+    oact->sa_flags &= ~SA_RESTORER;
+  }
+#endif
+
+  return rv;
+}
diff --git a/klibc/klibc/sigpending.c b/klibc/klibc/sigpending.c
index 76d2b1a7f6..decfe32b1b 100644
--- a/klibc/klibc/sigpending.c
+++ b/klibc/klibc/sigpending.c
@@ -7,9 +7,11 @@
 
 #ifndef __NR_sigpending
 
+__extern __rt_sigpending(sigset_t *, size_t);
+
 int sigpending(sigset_t *set)
 {
-  return rt_sigpending(set, sizeof(sigset_t));
+  return __rt_sigpending(set, sizeof(sigset_t));
 }
 
 #endif
diff --git a/klibc/klibc/sigprocmask.c b/klibc/klibc/sigprocmask.c
index b5e58b28b8..372e0fd90d 100644
--- a/klibc/klibc/sigprocmask.c
+++ b/klibc/klibc/sigprocmask.c
@@ -7,9 +7,11 @@
 
 #ifndef __NR_sigprocmask
 
+__extern __rt_sigprocmask(int, const sigset_t *, sigset_t *, size_t);
+
 int sigprocmask(int how, const sigset_t *set, sigset_t *oset)
 {
-  return rt_sigprocmask(how, set, oset, sizeof(sigset_t));
+  return __rt_sigprocmask(how, set, oset, sizeof(sigset_t));
 }
 
 #endif
diff --git a/klibc/klibc/sigsuspend.c b/klibc/klibc/sigsuspend.c
index a927999ae6..22f9a46681 100644
--- a/klibc/klibc/sigsuspend.c
+++ b/klibc/klibc/sigsuspend.c
@@ -7,9 +7,11 @@
 
 #ifndef __NR_sigsuspend
 
+__extern int __rt_sigsuspend(const sigset_t *, size_t);
+
 int sigsuspend(const sigset_t *mask)
 {
-  return rt_sigsuspend(mask, sizeof *mask);
+  return __rt_sigsuspend(mask, sizeof *mask);
 }
 
 #endif
diff --git a/klibc/klibc/strntoumax.c b/klibc/klibc/strntoumax.c
index 4e30637d2c..4c47fe8662 100644
--- a/klibc/klibc/strntoumax.c
+++ b/klibc/klibc/strntoumax.c
@@ -33,12 +33,13 @@ uintmax_t strntoumax(const char *nptr, char **endptr, int base, size_t n)
   }
 
   /* Single optional + or - */
-  if ( n && *nptr == '-' ) {
-    minus = 1;
-    nptr++;
-    n--;
-  } else if ( n && *nptr == '+' ) {
-    nptr++;
+  if ( n ) {
+    char c = *nptr;
+    if ( c == '-' || c == '+' ) {
+      minus = (c == '-');
+      nptr++;
+      n--;
+    }
   }
 
   if ( base == 0 ) {
diff --git a/klibc/makeklcc.pl b/klibc/makeklcc.pl
index 74045955fd..74045955fd 100644..100755
--- a/klibc/makeklcc.pl
+++ b/klibc/makeklcc.pl
diff --git a/klibc/version b/klibc/version
index 238d6e882a..5b09c67c20 100644
--- a/klibc/version
+++ b/klibc/version
@@ -1 +1 @@
-1.0.7
+1.0.14