2002-04-23 Jeff Johnston <jjohnstn@redhat.com>

*  libc/include/machine/types.h (__pid_t, __off_t, __loff_t): Added.
        *  libc/sys/linux/Makefile.am: Add support for mmap.c.
        *  libc/sys/linux/Makefile.in: Regenerated.
        *  libc/sys/linux/mmap.c: New file.
        *  libc/sys/linux/machine/i386/syscall.h: Add _syscall6 macro.
        *  libc/sys/linux/sys/types.h (pid_t, off_t, loff_t): Added.

newlib/ChangeLog

@@ -1,9 +1,18 @@
+2002-04-23  Jeff Johnston  <jjohnstn@redhat.com>
+
+        *  libc/include/machine/types.h (__pid_t, __off_t, __loff_t): Added.
+        *  libc/sys/linux/Makefile.am: Add support for mmap.c.
+        *  libc/sys/linux/Makefile.in: Regenerated.
+        *  libc/sys/linux/mmap.c: New file.
+        *  libc/sys/linux/machine/i386/syscall.h: Add _syscall6 macro.
+        *  libc/sys/linux/sys/types.h (pid_t, off_t, loff_t): Added.
+
 2002-04-22  Thomas Fitzsimmons  <fitzsim@redhat.com>
 
 	* acinclude.m4 (newlib_cflags): Remove include directories that
 	are already specified in the top-level configure.in's FLAGS_FOR_TARGET.
 
-2002-04-19  Bill Siegmund 
+2002-04-19  Bill Siegmund  <ctc-dsl@pacbell.net>
 
 	* libc/machine/xscale/memchr.c: Don't use multi-line strings.
 	* libc/machine/xscale/memcmp.c: Ditto.

newlib/libc/include/machine/types.h

@@ -6,6 +6,13 @@
 #define _CLOCKID_T_ 	unsigned long
 #define _TIMER_T_   	unsigned long
 
+typedef long int __off_t;
+typedef int __pid_t;
+#ifdef __GNUC__
+__extension__ typedef long long int __loff_t;
+#else
+typedef long int __loff_t;
+#endif
 
 #endif	/* _MACHTYPES_H_ */
 

newlib/libc/sys/linux/Makefile.am

@@ -8,7 +8,8 @@ SUBDIRS = machine .
 SUBLIBS = $(LINUX_MACH_LIB)
 
 LIB_SOURCES = \
-	brk.c getoptlong.c ids.c inode.c io.c linux.c process.c realpath.c \
+	brk.c getoptlong.c ids.c inode.c io.c linux.c mmap.c \
+	process.c realpath.c \
 	select.c signal.c siglongjmp.c socket.c sleep.c stack.c \
 	sysconf.c systat.c termios.c time.c \
 	usleep.c wait.c

newlib/libc/sys/linux/Makefile.in

@@ -93,7 +93,8 @@ SUBDIRS = machine .
 SUBLIBS = $(LINUX_MACH_LIB)
 
 LIB_SOURCES = \
-	brk.c getoptlong.c ids.c inode.c io.c linux.c process.c realpath.c \
+	brk.c getoptlong.c ids.c inode.c io.c linux.c mmap.c \
+	process.c realpath.c \
 	select.c signal.c siglongjmp.c socket.c sleep.c stack.c \
 	sysconf.c systat.c termios.c time.c \
 	usleep.c wait.c
@@ -127,17 +128,17 @@ DEFS = @DEFS@ -I. -I$(srcdir)
 CPPFLAGS = @CPPFLAGS@
 LIBS = @LIBS@
 @USE_LIBTOOL_FALSE@lib_a_OBJECTS =  brk.o getoptlong.o ids.o inode.o \
-@USE_LIBTOOL_FALSE@io.o linux.o process.o realpath.o select.o signal.o \
-@USE_LIBTOOL_FALSE@siglongjmp.o socket.o sleep.o stack.o sysconf.o \
-@USE_LIBTOOL_FALSE@systat.o termios.o time.o usleep.o wait.o
+@USE_LIBTOOL_FALSE@io.o linux.o mmap.o process.o realpath.o select.o \
+@USE_LIBTOOL_FALSE@signal.o siglongjmp.o socket.o sleep.o stack.o \
+@USE_LIBTOOL_FALSE@sysconf.o systat.o termios.o time.o usleep.o wait.o
 LTLIBRARIES =  $(noinst_LTLIBRARIES)
 
 @USE_LIBTOOL_TRUE@liblinux_la_DEPENDENCIES = 
 @USE_LIBTOOL_TRUE@liblinux_la_OBJECTS =  brk.lo getoptlong.lo ids.lo \
-@USE_LIBTOOL_TRUE@inode.lo io.lo linux.lo process.lo realpath.lo \
-@USE_LIBTOOL_TRUE@select.lo signal.lo siglongjmp.lo socket.lo sleep.lo \
-@USE_LIBTOOL_TRUE@stack.lo sysconf.lo systat.lo termios.lo time.lo \
-@USE_LIBTOOL_TRUE@usleep.lo wait.lo
+@USE_LIBTOOL_TRUE@inode.lo io.lo linux.lo mmap.lo process.lo \
+@USE_LIBTOOL_TRUE@realpath.lo select.lo signal.lo siglongjmp.lo \
+@USE_LIBTOOL_TRUE@socket.lo sleep.lo stack.lo sysconf.lo systat.lo \
+@USE_LIBTOOL_TRUE@termios.lo time.lo usleep.lo wait.lo
 CFLAGS = @CFLAGS@
 COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)

newlib/libc/sys/linux/machine/i386/syscall.h

@@ -55,6 +55,12 @@ __asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
 	: "0" (__NR_##name),"m" ((long)(arg1)),"c" ((long)(arg2)), \
 	  "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5)));
 
+#undef __inline_syscall6
+#define __inline_syscall6(name,ret,arg1,arg2,arg3,arg4,arg5,arg6) \
+__asm__ volatile ("push %%ebx; lea 8(%%ebp),%%ebx; int $0x80; pop %%ebx" \
+	: "=a" (ret) \
+	: "0" (__NR_##name));
+
 #undef _syscall1
 #define _syscall1(type,name,type1,arg1) \
 type name(type1 arg1) \
@@ -102,6 +108,14 @@ __syscall_return(type,__res); \
 }
 
 #undef _syscall6
+#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+          type5,arg5,type6,arg6) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
+{ \
+long __res; \
+__inline_syscall6(name,__res,arg1,arg2,arg3,arg4,arg5,arg6) \
+__syscall_return(type,__res); \
+}
 
 #endif /* __PIC__ && __i386__ */
 

newlib/libc/sys/linux/mmap.c

@@ -0,0 +1,16 @@
+/* libc/sys/linux/mmap.c - Memory mapping functions */
+
+/* Copyright 2002, Red Hat Inc. */
+
+#include <sys/mman.h>
+#include <machine/syscall.h>
+
+_syscall6(void *,mmap,void *,addr,size_t,len,int,prot,int,flags,int,fd,off_t,off);
+_syscall2(int,munmap,void *,addr,size_t,len);
+_syscall1(int,mlockall,int,flags);
+_syscall0(int,munlockall);
+_syscall2(int,mlock,const void *,addr,size_t,len);
+_syscall2(int,munlock,const void *,addr,size_t,len);
+_syscall3(int,mprotect,void *,addr,size_t,len,int,prot);
+_syscall3(int,msync,void *,addr,size_t,len,int,flags);
+_syscall4(void *,mremap,void *,addr,size_t,oldlen,size_t,newlen,int,maymove);

newlib/libc/sys/linux/sys/types.h

@@ -25,7 +25,11 @@ typedef _CLOCK_T_ clock_t;
 #endif
 
 typedef unsigned int __socklen_t;
-typedef long int __useconds_t;
+typedef unsigned int __useconds_t;
+
+typedef __pid_t pid_t;
+typedef __off_t off_t;
+typedef __loff_t loff_t;
 
 #include <linux/types.h>