A bunch of updates, part from Manuel Novoa III (such as more long long

support), and other updates by me (better cross platform, cross-compiler,
etc, support.  Now compiles with 2.0.x kernels for armnommu.

Makefile

@@ -42,16 +42,18 @@ halfclean:
 	@rm -f libc.a
 
 headers: dummy
-	@if [ ! -L "include/asm" ]; then ln -s /usr/include/asm include/asm ; fi
+	@rm -f include/asm include/net include/linux include/bits
-	@if [ ! -L "include/net" ]; then ln -s /usr/include/net include/net ; fi
+	@ln -s $(KERNEL_SOURCE)/include/asm-$(ARCH_DIR) include/asm
-	@if [ ! -L "include/linux" ]; then ln -s /usr/include/linux include/linux ; fi
+	@ln -s $(KERNEL_SOURCE)/include/net include/net
-	@if [ ! -L "include/bits" ]; then ln -s ../sysdeps/linux/$(ARCH)/bits include/bits ; fi
+	@ln -s $(KERNEL_SOURCE)/include/linux include/linux
+	@ln -s ../sysdeps/linux/$(TARGET_ARCH)/bits include/bits
 
 tags:
 	ctags -R
 	
 clean: subdirs_clean
 	rm -f libc.a
+	rm -f include/asm include/net include/linux include/bits
 
 subdirs: $(patsubst %, _dir_%, $(DIRS))
 subdirs_clean: $(patsubst %, _dirclean_%, $(DIRS))

Rules.mak

@@ -39,11 +39,11 @@ endif
 CFLAGS=$(ARCH_CFLAGS) $(CCFLAGS) $(DEFS)
 
 ifeq ($(DODEBUG),true)
-    CFLAGS += -Wall -g
+    CFLAGS += $(WARNINGS) -g
     LDFLAGS = -nostdlib -Wl,-warn-common 
     STRIPTOOL = /bin/true -Since_we_are_debugging
 else
-    CFLAGS  += -Wall #-fomit-frame-pointer
+    CFLAGS  += $(WARNINGS) #-fomit-frame-pointer
     LDFLAGS  = -s -nostdlib -Wl,-warn-common
 endif
 
@@ -53,15 +53,15 @@ endif
 
 ifneq ($(HAS_MMU),true)
     CFLAGS += -D__HAS_NO_MMU__
+    ARCH_DIR = $(shell echo $(TARGET_ARCH)nommu)
+else
+    ARCH_DIR = $(TARGET_ARCH)
 endif
 
 ifneq ($(HAS_FLOATS),true)
     CFLAGS += -D__HAS_NO_FLOATS__
 endif
 
-ifneq ($(DO_FIXME_STUFF),true)
-    CFLAGS += -DFIXME
-endif
 
 
 # Use '-ffunction-sections -fdata-sections' and '--gc-sections' if they work

include/stdlib.h

@@ -43,8 +43,11 @@ typedef __compar_fn_t comparison_fn_t;
 #define atof(x) strtod((x),(char**)0)
 #define atoi(x) (int)strtol((x),(char**)0,10)
 #define atol(x) strtol((x),(char**)0,10)
+#define atoll(x) strtoll((x),(char**)0,10)
 extern long strtol __P ((const char * nptr, char ** endptr, int base));
 extern unsigned long strtoul __P ((const char * nptr, char ** endptr, int base));
+extern long long strtoll __P ((const char * nptr, char ** endptr, int base));
+extern unsigned long long strtoull __P ((const char * nptr, char ** endptr, int base));
 #ifndef __HAS_NO_FLOATS__
 /*TODO: extern char * gcvt __P ((double number, size_t ndigit, char * buf)); */
 extern double strtod __P ((const char * nptr, char ** endptr));

include/sys/mount.h

@@ -1,17 +1,108 @@
+/* Header file for mounting/unmount Linux filesystems.
+   Copyright (C) 1996, 1997, 1998 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.  */
+
+/* This is taken from /usr/include/linux/fs.h.  */
+
 #ifndef _SYS_MOUNT_H
-#define _SYS_MOUNT_H
+#define _SYS_MOUNT_H	1
 
 #include <features.h>
+#include <sys/ioctl.h>
+
+#define BLOCK_SIZE	1024
+#define BLOCK_SIZE_BITS	10
+
+
+/* These are the fs-independent mount-flags: up to 16 flags are
+   supported  */
+enum
+{
+  MS_RDONLY = 1,		/* Mount read-only.  */
+#define MS_RDONLY	MS_RDONLY
+  MS_NOSUID = 2,		/* Ignore suid and sgid bits.  */
+#define MS_NOSUID	MS_NOSUID
+  MS_NODEV = 4,			/* Disallow access to device special files.  */
+#define MS_NODEV	MS_NODEV
+  MS_NOEXEC = 8,		/* Disallow program execution.  */
+#define MS_NOEXEC	MS_NOEXEC
+  MS_SYNCHRONOUS = 16,		/* Writes are synced at once.  */
+#define MS_SYNCHRONOUS	MS_SYNCHRONOUS
+  MS_REMOUNT = 32,		/* Alter flags of a mounted FS.  */
+#define MS_REMOUNT	MS_REMOUNT
+  MS_MANDLOCK = 64,		/* Allow mandatory locks on an FS.  */
+#define MS_MANDLOCK	MS_MANDLOCK
+  S_WRITE = 128,		/* Write on file/directory/symlink.  */
+#define S_WRITE		S_WRITE
+  S_APPEND = 256,		/* Append-only file.  */
+#define S_APPEND	S_APPEND
+  S_IMMUTABLE = 512,		/* Immutable file.  */
+#define S_IMMUTABLE	S_IMMUTABLE
+  MS_NOATIME = 1024,		/* Do not update access times.  */
+#define MS_NOATIME	MS_NOATIME
+  MS_NODIRATIME = 2048		/* Do not update directory access times.  */
+#define MS_NODIRATIME	MS_NODIRATIME
+};
+
+/* Flags that can be altered by MS_REMOUNT  */
+#define MS_RMT_MASK (MS_RDONLY | MS_MANDLOCK)
+
+
+/* Magic mount flag number. Has to be or-ed to the flag values.  */
+
+#define MS_MGC_VAL 0xc0ed0000	/* Magic flag number to indicate "new" flags */
+#define MS_MGC_MSK 0xffff0000	/* Magic flag number mask */
+
+
+/* The read-only stuff doesn't really belong here, but any other place
+   is probably as bad and I don't want to create yet another include
+   file.  */
+
+#define BLKROSET   _IO(0x12, 93) /* Set device read-only (0 = read-write).  */
+#define BLKROGET   _IO(0x12, 94) /* Get read-only status (0 = read_write).  */
+#define BLKRRPART  _IO(0x12, 95) /* Re-read partition table.  */
+#define BLKGETSIZE _IO(0x12, 96) /* Return device size.  */
+#define BLKFLSBUF  _IO(0x12, 97) /* Flush buffer cache.  */
+#define BLKRASET   _IO(0x12, 98) /* Set read ahead for block device.  */
+#define BLKRAGET   _IO(0x12, 99) /* Get current read ahead setting.  */
+
+
+/* Possible value for FLAGS parameter of `umount2'.  */
+enum
+{
+  MNT_FORCE = 1			/* Force unmounting.  */
+#define MNT_FORCE MNT_FORCE
+};
+
 
 __BEGIN_DECLS
 
-extern int      mount __P ((__const char* __specialfile,
+/* Mount a filesystem.  */
-                __const char* __dir,__const char* __filesystemype,
+extern int mount __P ((__const char *__special_file, __const char *__dir,
-                unsigned long __rwflag,__const void *__data));
+		       __const char *__fstype, unsigned long int __rwflag,
+		       __const void *__data));
+
+/* Unmount a filesystem.  */
+extern int umount __P ((__const char *__special_file));
+
+/* Unmount a filesystem.  Force unmounting if FLAGS is set to MNT_FORCE.  */
+extern int umount2 __P ((__const char *__special_file, int __flags));
 
-extern int      umount __P ((__const char* __specialfile));
-                                        
-                                        
 __END_DECLS
 
-#endif
+#endif /* _SYS_MOUNT_H */

libc/stdlib/Makefile

@@ -29,6 +29,9 @@ DIRS = $(MALLOC)
 MSRC=strto_l.c
 MOBJ=strtol.o strtoul.o strto_l.o
 
+MSRC1=strto_ll.c
+MOBJ1=strtoll.o strtoull.o strto_ll.o
+
 MSRC2=atexit.c
 MOBJ2=on_exit.o atexit.o __do_exit.o exit.o
 
@@ -38,7 +41,7 @@ CSRC =	abort.c getenv.c  mktemp.c  qsort.c  realpath.c strtod.c \
 COBJS=$(patsubst %.c,%.o, $(CSRC))
 
 
-OBJS=$(MOBJ) $(MOBJ2) $(COBJS)
+OBJS=$(MOBJ) $(MOBJ1) $(MOBJ2) $(COBJS)
 
 all: $(OBJS) $(LIBC)
 
@@ -51,6 +54,10 @@ $(MOBJ): $(MSRC)
 	$(CC) $(CFLAGS) -DL_$* $< -c -o $*.o
 	$(STRIPTOOL) -x -R .note -R .comment $*.o
 
+$(MOBJ1): $(MSRC1)
+	$(CC) $(CFLAGS) -DL_$* $< -c -o $*.o
+	$(STRIPTOOL) -x -R .note -R .comment $*.o
+
 $(MOBJ2): $(MSRC2)
 	$(CC) $(CFLAGS) -DL_$* $< -c -o $*.o
 	$(STRIPTOOL) -x -R .note -R .comment $*.o

libc/stdlib/abort.c

@@ -32,13 +32,11 @@ extern void _exit __P((int __status)) __attribute__ ((__noreturn__));
 /* Cause an abnormal program termination with core-dump.  */
 void abort(void)
 {
-#if FIXME
 	sigset_t sigset;
 
 	if (sigemptyset(&sigset) == 0 && sigaddset(&sigset, SIGABRT) == 0) {
 		sigprocmask(SIG_UNBLOCK, &sigset, (sigset_t *) NULL);
 	}
-#endif
 
 	if (__cleanup)
 		__cleanup();

libc/stdlib/malloc/alloc.c

@@ -12,7 +12,7 @@ void *
 calloc_dbg(size_t num, size_t size, char * function, char * file, int line)
 {
 	void * ptr;
-	fprintf(stderr, "calloc of %d bytes at %s @%s:%d = ", num*size, function, file, line);
+	fprintf(stderr, "calloc of %ld bytes at %s @%s:%d = ", (long)(num*size), function, file, line);
 	ptr = calloc(num,size);
 	fprintf(stderr, "%p\n", ptr);
 	return ptr;
@@ -26,7 +26,7 @@ void *
 malloc_dbg(size_t len, char * function, char * file, int line)
 {
 	void * result;
-	fprintf(stderr, "malloc of %d bytes at %s @%s:%d = ", len, function, file, line);
+	fprintf(stderr, "malloc of %ld bytes at %s @%s:%d = ", (long)len, function, file, line);
 	result = malloc(len);
 	fprintf(stderr, "%p\n", result);    
 	return result;

libc/stdlib/malloc/malloc.c

@@ -296,8 +296,8 @@ struct Block_s /* 32-bytes long control structure (if 4-byte aligned) */
 
   /* packed 4-byte attributes */
 /* { */
-  char bal_free_mem : 8;   /* balance of <free_mem> subtree */
+  signed char bal_free_mem : 8;   /* balance of <free_mem> subtree */
-  char bal_ptrs : 8;       /* balance of <ptrs> subtree */
+  signed char bal_ptrs : 8;       /* balance of <ptrs> subtree */
   unsigned int used : 1;   /* used/free state of the block */
   unsigned int broken : 1; /* 1 if previous block can't be merged with it */
 /* } */

libc/stdlib/strto_l.c

@@ -15,7 +15,7 @@
 /*                            OPTIONS                                        */
 /*****************************************************************************/
 
-/* Set if we want strtod to set errno appropriately. */
+/* Set if we want errno set appropriately. */
 /* NOTE: Implies _STRTO_ENDPTR below */
 #define _STRTO_ERRNO            0
 
@@ -107,8 +107,8 @@ unsigned long _strto_l(const char *str, char **endptr, int base, int uflag)
 	goto DONE;
     }
 
+    cutoff_digit = ULONG_MAX % base;
     cutoff = ULONG_MAX / base;
-    cutoff_digit = ULONG_MAX - cutoff * base;
 
     while (1) {
 	digit = 40;

libc/stdlib/strto_ll.c

@@ -0,0 +1,192 @@
+/*
+ * Copyright (C) 2000 Manuel Novoa III
+ *
+ * Notes:
+ *
+ * The primary objective of this implementation was minimal size.
+ *
+ * Note: Assumes char layout 0-9.*A-Z.*a-z for ordinals values.
+ *
+ * There are a couple of compile-time options below.
+ *
+ */
+
+/*****************************************************************************/
+/*                            OPTIONS                                        */
+/*****************************************************************************/
+
+/* Set if we want errno set appropriately. */
+/* NOTE: Implies _STRTO_ENDPTR below */
+#define _STRTO_ERRNO            0
+
+/* Set if we want support for the endptr arg. */
+/* Implied by _STRTO_ERRNO. */
+#define _STRTO_ENDPTR           1
+
+/*****************************************************************************/
+/* Don't change anything that follows.                                       */
+/*****************************************************************************/
+
+#if _STRTO_ERRNO
+#undef _STRTO_ENDPTR
+#define _STRTO_ENDPTR           1
+#endif
+
+/*****************************************************************************/
+
+/* Are there actually any machines where this might fail? */
+#if 'A' > 'a'
+#error ordering assumption violated : 'A' > 'a'
+#endif
+
+#include <stdlib.h>
+#include <limits.h>
+#include <ctype.h>
+
+#if _STRTO_ERRNO
+#include <errno.h>
+#endif
+
+unsigned long long _strto_ll(const char *str, char **endptr, int base, int uflag);
+
+#if L_strto_ll
+
+/*
+ * This is the main work fuction which handles both strtol (uflag = 0) and
+ * strtoul (uflag = 1).
+ */
+
+unsigned long long _strto_ll(const char *str, char **endptr, int base, int uflag)
+{
+    unsigned long long number = 0;
+    unsigned long long cutoff;
+    char *pos = (char *) str;
+#if _STRTO_ENDPTR
+    char *fail_char = (char *) str;
+#endif
+    int digit, cutoff_digit;
+    int negative;
+
+    while (isspace(*pos)) {	/* skip leading whitespace */
+	++pos;
+    }
+
+    /* handle optional sign */
+    negative = 0;
+    switch(*pos) {
+    case '-': negative = 1;	/* fall through to increment pos */
+    case '+': ++pos;
+    }
+
+    if ((base == 16) && (*pos == '0')) { /* handle option prefix */
+	++pos;
+#if _STRTO_ENDPTR
+	fail_char = pos;
+#endif
+	if ((*pos == 'x') || (*pos == 'X')) {
+	    ++pos;
+	}
+    }
+    
+    if (base == 0) {		/* dynamic base */
+	base = 10;		/* default is 10 */
+	if (*pos == '0') {
+	    ++pos;
+	    base -= 2;		/* now base is 8 (or 16) */
+#if _STRTO_ENDPTR
+	    fail_char = pos;
+#endif
+	    if ((*pos == 'x') || (*pos == 'X')) {
+		base += 8;	/* base is 16 */
+		++pos;
+	    }
+	}
+    }
+
+    if ((base < 2) || (base > 36)) { /* illegal base */
+	goto DONE;
+    }
+
+    cutoff_digit = ULONG_LONG_MAX % base;
+    cutoff = ULONG_LONG_MAX / base;
+
+    while (1) {
+	digit = 40;
+	if ((*pos >= '0') && (*pos <= '9')) {
+	    digit = (*pos - '0');
+	} else if (*pos >= 'a') {
+	    digit = (*pos - 'a' + 10);
+	} else if (*pos >= 'A') {
+	    digit = (*pos - 'A' + 10);
+	} else break;
+
+	if (digit >= base) {
+	    break;
+	}
+
+	++pos;
+#if _STRTO_ENDPTR
+	fail_char = pos;
+#endif
+
+	/* adjust number, with overflow check */
+	if ((number > cutoff)
+	    || ((number == cutoff) && (digit > cutoff_digit))) {
+	    number = ULONG_LONG_MAX;
+	    if (uflag) {
+		negative = 0; /* since unsigned returns ULONG_LONG_MAX */
+	    }
+#if _STRTO_ERRNO
+	    errno = ERANGE;
+#endif
+	} else {
+	    number = number * base + digit;
+	}
+
+    }
+
+ DONE:
+#if _STRTO_ENDPTR
+    if (endptr) {
+	*endptr = fail_char;
+    }
+#endif
+
+    if (negative) {
+	if (!uflag && (number > ((unsigned long long)(-(1+LONG_LONG_MIN)))+1)) {
+#if _STRTO_ERRNO
+	    errno = ERANGE;
+#endif
+	    return (unsigned long long) LONG_LONG_MIN;
+	}
+	return (unsigned long long)(-((long long)number));
+    } else {
+	if (!uflag && (number > (unsigned long long) LONG_LONG_MAX)) {
+#if _STRTO_ERRNO
+	    errno = ERANGE;
+#endif
+	    return LONG_LONG_MAX;
+	}
+	return number;
+    }
+}
+
+#endif
+
+#if L_strtoull
+
+unsigned long long strtoull(const char *str, char **endptr, int base)
+{
+    return _strto_ll(str, endptr, base, 1);
+}
+
+#endif
+
+#if L_strtoll
+
+long long strtoll(const char *str, char **endptr, int base)
+{
+    return _strto_ll(str, endptr, base, 0);
+}
+
+#endif

libc/sysdeps/linux/Makefile

@@ -23,7 +23,7 @@
 TOPDIR=../../
 include $(TOPDIR)Rules.mak
 
-DIRS = $(ARCH) common
+DIRS = $(TARGET_ARCH) common
 
 all: libc.a
 

libc/sysdeps/linux/common/statfix.h

@@ -3,9 +3,11 @@
 
 /* Pull in whatever this particular arch's kernel thinks the kernel version of
  * struct stat should look like.  It turn out that each arch has a different
- * opinion on the subject... */
+ * opinion on the subject, and different kernel revs use different names... */
 #define stat kernel_stat
+#define new_stat kernel_stat
 #include <asm/stat.h> 
+#undef new_stat
 #undef stat
 
 /* Now pull in libc's version of stat */

libc/sysdeps/linux/common/syscalls.c

@@ -135,11 +135,19 @@ _syscall3(int, mknod, const char *, pathname, mode_t, mode, dev_t, dev);
 _syscall2(int, chmod, const char *, path, mode_t, mode);
 #endif
 
+/* Old kernels don't have lchown -- do chown instead.  This
+ * is sick and wrong, but at least things will compile.  
+ * They may not follow links when they should though... */
+#ifndef __NR_lchown 
+#define __NR_lchown __NR_chown
+#endif
+
 //#define __NR_lchown           16
 #ifdef L_lchown
 #include <unistd.h>
 _syscall3(int, lchown, const char *, path, uid_t, owner, gid_t, group);
 #endif
+#endif
 
 
 //#define __NR_break            17
@@ -325,11 +333,13 @@ gid_t getegid(void)
 
 //#define __NR_acct             51
 
+#ifdef __NR_umount2 /* Old kernels don't have umount2 */ 
 //#define __NR_umount2          52
 #ifdef L_umount2
 #include <sys/mount.h>
 _syscall2(int, umount2, const char *, special_file, int, flags);
 #endif
+#endif
 
 //#define __NR_lock             53
 
@@ -639,6 +649,7 @@ _syscall2(int, statfs, const char *, path, struct statfs *, buf);
 _syscall2(int, fstatfs, int, fd, struct statfs *, buf);
 #endif
 
+#ifndef __HAS_NO_MMU__
 //#define __NR_ioperm           101
 #ifdef L_ioperm
 #include <sys/io.h>
@@ -646,6 +657,7 @@ syscall3(int, ioperm, unsigned, long, from, unsigned long, num, int,
 
 		 turn_on);
 #endif
+#endif
 
 //#define __NR_socketcall       102
 #ifdef L_socketcall
@@ -737,11 +749,13 @@ int fstat(int fd, struct libc_stat *cstat)
 
 //#define __NR_olduname         109
 
+#ifndef __HAS_NO_MMU__
 //#define __NR_iopl             110
 #ifdef L_iopl
 #include <sys/io.h>
 _syscall1(int, iopl, int, level);
 #endif
+#endif
 
 //#define __NR_vhangup          111
 #ifdef L_vhangup