HOST_LDFLAGS =
HOST_LIBS =
-CRT0 = $(KLIBSRC)/crt0.o
-KLIBC = $(KLIBSRC)/libc.a
-LIBGCC = $(shell $(CC) --print-libgcc)
+# Static library paths
+CRT0 = $(KLIBSRC)/crt0.o
+KLIBC = $(KLIBSRC)/libc.a
+LIBGCC = $(shell $(CC) --print-libgcc)
+
+# Shared library paths
+CRTSHARED = $(KLIBSRC)/interp.o
+LIBSHARED = $(KLIBSRC)/libc.so
#
# This indicates the location of the final version of the shared library.
.SUFFIXES: .c .o .a .so .lo .i .S .s .ls .ss .lss
+% : %.c # Cancel default rule
+
+% : %.S
+
.c.o:
$(CC) $(CFLAGS) -c -o $@ $<
strtoimax.o strtoumax.o \
globals.o exitc.o atexit.o onexit.o \
execl.o execle.o execv.o execvpe.o execvp.o execlp.o execlpe.o \
- fork.o wait.o wait3.o waitpid.o system.o setpgrp.o \
+ fork.o wait.o wait3.o waitpid.o system.o setpgrp.o getpgrp.o \
+ open.o \
printf.o vprintf.o fprintf.o vfprintf.o perror.o \
fopen.o fread.o fread2.o fgetc.o fgets.o \
fwrite.o fwrite2.o fputc.o fputs.o puts.o \
seteuid.o setegid.o setresuid.o setresgid.o \
getenv.o setenv.o putenv.o __put_env.o unsetenv.o \
getopt.o readdir.o \
- syslog.o closelog.o pty.o isatty.o reboot.o \
+ syslog.o closelog.o pty.o getpt.o isatty.o reboot.o \
time.o utime.o fdatasync.o llseek.o select.o nice.o getpriority.o \
qsort.o lrand48.o srand48.o seed48.o \
inet/inet_ntoa.o inet/inet_aton.o inet/inet_addr.o \
Known to work: alpha arm ia64 i386 ppc s390 s390x sparc
sparc64 x86_64*
- Works static, not shared: mips* arm-thumb sh*
+ Works static, not shared: mips* arm-thumb sh* parisc
Might work: ppc64
- Need porting work: cris m68k mips64 parisc
+ Need porting work: cris m68k mips64 v850
x86_64: requires a kernel header patch (to be created)
mips, sh: linker problem; might work with fixed linker
pid_t getpgid(pid_t)
<!alpha> pid_t getppid()
<alpha> pid_t getxpid@dual1::getppid()
-<!ia64> pid_t getpgrp()
pid_t setsid()
pid_t getsid(pid_t)
pid_t wait4(pid_t, int *, int, struct rusage *)
#
ssize_t read(int, void *, size_t)
ssize_t write(int, const void *, size_t)
-int open(const char *, int, mode_t)
int close(int)
off_t lseek(int, off_t, int)
int dup(int)
<!ia64> int query_module(const char *, int, void *, size_t, size_t)
int reboot::__reboot(int, int, int, void *)
int syslog::klogctl(int, char *, int)
+int sysinfo(struct sysinfo *)
#
# Low-level I/O (generally architecture-specific)
environ = envp;
exit(main(argc, argv, envp));
}
-
-
# accordingly.
#
-# Comment this out to compile with register parameter passing
-# This doesn't work right now because gcc 3.2 (at least) calls
-# libgcc with the default calling convention instead of forcing
-# them to be cdecl
-# REGPARM = -mregparm=3 -DREGPARM
+# Enable this to compile with register parameters; only safe for
+# gcc > 3
+REGPARM_OPT := -mregparm=3 -DREGPARM
gcc_major := $(shell $(CC) -v 2>&1 | awk '/gcc version/{print int($$3)}')
OPTFLAGS = $(REGPARM) -march=i386 -Os
ifeq ($(gcc_major),3)
+REGPARM := $(REGPARM_OPT)
OPTFLAGS += -falign-functions=0 -falign-jumps=0 -falign-loops=0
else
OPTFLAGS += -malign-functions=0 -malign-jumps=0 -malign-loops=0
#endif
call __libc_init
# If __libc_init returns, problem...
- ud2
hlt
.size _start, .-_start
# accordingly.
#
+ARCHOBJS = \
+ arch/$(ARCH)/setjmp.o
+
+ARCHOOBJS = $(patsubst %o,%.lo,%(ARCHOBJS))
+
archclean:
--- /dev/null
+ .align 4
+
+ .import $global$, data
+ .import __libc_init, code
+
+ .global _start
+ .export _start, ENTRY
+ .type _start,@function
+
+ .proc
+ .callinfo
+
+_start:
+/* extend the stack by 64-bytes */
+ ldo 64(%sp), %sp
+
+/* %r25 = argc
+ * %r24 = argv
+ * envp = argv + (argc + 1)
+ * elfdata = (argv - 4)
+ */
+ ldo -4(%r24), %r26
+
+/* load global data */
+ ldil L%$global$, %dp
+ ldo R%$global$(%dp), %dp
+
+/* branch to __libc_init */
+ bl __libc_init,%r2
+ nop
+/* break miserably if we ever return */
+ iitlbp %r0,(%r0) /* illegal instruction */
+ nop
+ .procend
#ifndef _KLIBC_ARCHSIGNAL_H
#define _KLIBC_ARCHSIGNAL_H
-/* No special stuff for this architecture */
+#define _NSIG 64
+#define _NSIG_SZ (_NSIG / LONG_BIT)
+
+typedef struct {
+ unsigned long sig[_NSIG_SZ];
+} sigset_t;
+
+struct sigaction {
+ __sighandler_t sa_handler;
+ unsigned long sa_flags;
+ sigset_t sa_mask;
+};
#endif
--- /dev/null
+/*
+ * parisc specific setjmp/longjmp routines
+ *
+ */
+
+ .text
+ .align 4
+ .global setjmp
+ .export setjmp, code
+ .proc
+ .callinfo
+setjmp:
+ stw %r3,0(%r26)
+ stw %r4,8(%r26)
+ stw %r5,12(%r26)
+ stw %r6,16(%r26)
+ stw %r7,20(%r26)
+ stw %r8,24(%r26)
+ stw %r9,28(%r26)
+ stw %r10,32(%r26)
+ stw %r11,36(%r26)
+ stw %r12,40(%r26)
+ stw %r13,44(%r26)
+ stw %r14,48(%r26)
+ stw %r15,52(%r26)
+ stw %r16,56(%r26)
+ stw %r17,60(%r26)
+ stw %r18,64(%r26)
+ stw %r19,68(%r26)
+ stw %dp,72(%r26)
+ stw %r30,76(%r26)
+ stw %rp,80(%r26)
+ ldo 88(%r26),%r19
+ fstd,ma %fr12,8(%r19)
+ fstd,ma %fr13,8(%r19)
+ fstd,ma %fr14,8(%r19)
+ fstd,ma %fr15,8(%r19)
+ fstd,ma %fr16,8(%r19)
+ fstd,ma %fr17,8(%r19)
+ fstd,ma %fr18,8(%r19)
+ fstd,ma %fr19,8(%r19)
+ fstd,ma %fr20,8(%r19)
+ fstd %fr21,0(%r19)
+ bv %r0(%rp)
+ copy %r0,%r28
+ .procend
+
+ .text
+ .align 4
+ .global longjmp
+ .export longjmp, code
+ .proc
+ .callinfo
+longjmp:
+ ldw 0(%r26),%r3
+ ldw 8(%r26),%r4
+ ldw 12(%r26),%r5
+ ldw 16(%r26),%r6
+ ldw 20(%r26),%r7
+ ldw 24(%r26),%r8
+ ldw 28(%r26),%r9
+ ldw 32(%r26),%r10
+ ldw 36(%r26),%r11
+ ldw 40(%r26),%r12
+ ldw 44(%r26),%r13
+ ldw 48(%r26),%r14
+ ldw 52(%r26),%r15
+ ldw 56(%r26),%r16
+ ldw 60(%r26),%r17
+ ldw 64(%r26),%r18
+ ldw 68(%r26),%r19
+ ldw 72(%r26),%r27
+ ldw 76(%r26),%r30
+ ldw 80(%r26),%rp
+ ldo 88(%r26),%r20
+ fldd,ma 8(%r20),%fr12
+ fldd,ma 8(%r20),%fr13
+ fldd,ma 8(%r20),%fr14
+ fldd,ma 8(%r20),%fr15
+ fldd,ma 8(%r20),%fr16
+ fldd,ma 8(%r20),%fr17
+ fldd,ma 8(%r20),%fr18
+ fldd,ma 8(%r20),%fr19
+ fldd,ma 8(%r20),%fr20
+ fldd 0(%r20),%fr21
+ bv %r0(%rp)
+ copy %r25,%r28
+ .procend
--- /dev/null
+/*
+ * getpgrp.c
+ */
+
+#include <unistd.h>
+
+pid_t getpgrp(void) {
+ return getpgid(0);
+}
--- /dev/null
+/*
+ * getpt.c
+ *
+ * GNU extension to the standard Unix98 pty suite
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+int getpt(void)
+{
+ return open("/dev/ptmx", O_RDWR|O_NOCTTY);
+}
#define _KLIBC_COMPILER_H
/* Specific calling conventions */
+/* __cdecl is used when we want varadic and non-varadic functions to have
+ the same binary calling convention. */
#ifdef __i386__
# ifdef __GNUC__
# define __cdecl __attribute__((cdecl,regparm(0)))
# else
/* Most other C compilers have __cdecl as a keyword */
# endif
+#else
+# define __cdecl /* Meaningless on non-i386 */
#endif
/* How to declare a function that *must* be inlined */
/* Basic PTY functions. These only work if devpts is mounted! */
+__extern int unlockpt(int);
+__extern char *ptsname(int);
+__extern int getpt(void);
+
static __inline__ int grantpt(int __fd)
{
(void)__fd;
return 0; /* devpts does this all for us! */
}
-__extern int unlockpt(int);
-__extern char *ptsname(int);
#endif /* _STDLIB_H */
--- /dev/null
+/*
+ * sys/sysinfo.h
+ */
+
+#ifndef _SYS_SYSINFO_H
+#define _SYS_SYSINFO_H
+
+#include <linux/kernel.h>
+
+extern int sysinfo (struct sysinfo *info);
+
+#endif /* _SYS_SYSINFO_H */
/*
- * sys/un.h
+ * <sys/un.h>
*/
-#ifndef _UN_H
-#define _UN_H
+#ifndef _SYS_UN_H
+#define _SYS_UN_H
#include <linux/un.h>
-#endif /* _UN_H */
+#endif /* _SYS_UN_H */
__extern pid_t fork(void);
__extern pid_t vfork(void);
__extern pid_t getpid(void);
+__extern pid_t getpgid(pid_t);
__extern int setpgid(pid_t, pid_t);
__extern pid_t getppid(void);
__extern pid_t getpgrp(void);
__extern ssize_t read(int, void *, size_t);
__extern ssize_t write(int, const void *, size_t);
-#ifndef __IN_SYS_COMMON
-__extern int open(const char *, int, ...);
+#ifndef __IN_OPEN_C
+__extern __cdecl int open(const char *, int, ...);
#endif
__extern int close(int);
__extern off_t lseek(int, off_t, int);
--- /dev/null
+/*
+ * open.c
+ *
+ * The open syscall is weird, because it's defined as a varadic
+ * function, but implementing it as such generally sucks for
+ * performance. Thus we generate it as a 3-argument function,
+ * but with explicit __cdecl assuming the __cdecl convention is
+ * independent of being varadic.
+ */
+
+#define __IN_OPEN_C
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/syscall.h>
+
+__cdecl _syscall3(int,open,const char *,file,int,flags,mode_t,mode)
/*
* pty.c
*
- * Basic Unix98 PTY functionality; assumes devpts
+ * Basic Unix98 PTY functionality; assumes devpts mounted on /dev/pts
*/
#include <stdio.h>
projects / thirdparty / systemd.git / commitdiff
