/* Pull in the arch specific syscall implementation */
#include <dl-syscalls.h>
/* For MAP_ANONYMOUS -- differs between platforms */
-#include <asm/mman.h>
+#define _SYS_MMAN_H 1
+#include <bits/mman.h>
/* Pull in whatever this particular arch's kernel thinks the kernel version of
* struct stat should look like. It turns out that each arch has a different
* opinion on the subject, and different kernel revs use different names... */
+#if defined(__sparc_v9__) && (__WORDSIZE == 64)
+#define kernel_stat64 stat
+#else
#define kernel_stat stat
+#endif
#include <bits/kernel_stat.h>
#include <bits/kernel_types.h>
/* _dl_open() parameters */
-#define O_RDONLY 0x0000
+#define O_RDONLY 00
#define O_WRONLY 01
#define O_RDWR 02
#define O_CREAT 0100
#define S_IWRITE 0200 /* Write by owner. */
#define S_IEXEC 0100 /* Execute by owner. */
-/* Stuff for _dl_mmap */
-#if 0
-#define MAP_FAILED ((void *) -1)
-#define _dl_mmap_check_error(X) (((void *)X) == MAP_FAILED)
-#else
-#ifndef _dl_MAX_ERRNO
-#define _dl_MAX_ERRNO 4096
-#endif
-#define _dl_mmap_check_error(__res) \
- (((long)__res) < 0 && ((long)__res) >= -_dl_MAX_ERRNO)
-#endif
-
/* Here are the definitions for some syscalls that are used
dynamic linking at all, so we cannot return any error codes.
We just punt if there is an error. */
#define __NR__dl_exit __NR_exit
-static inline _syscall1(void, _dl_exit, int, status);
+static __always_inline _syscall1(void, _dl_exit, int, status);
#define __NR__dl_close __NR_close
-static inline _syscall1(int, _dl_close, int, fd);
+static __always_inline _syscall1(int, _dl_close, int, fd);
#define __NR__dl_open __NR_open
-static inline _syscall3(int, _dl_open, const char *, fn, int, flags, __kernel_mode_t, mode);
+static __always_inline _syscall3(int, _dl_open, const char *, fn, int, flags,
+ __kernel_mode_t, mode);
#define __NR__dl_write __NR_write
-static inline _syscall3(unsigned long, _dl_write, int, fd,
- const void *, buf, unsigned long, count);
+static __always_inline _syscall3(unsigned long, _dl_write, int, fd,
+ const void *, buf, unsigned long, count);
#define __NR__dl_read __NR_read
-static inline _syscall3(unsigned long, _dl_read, int, fd,
- const void *, buf, unsigned long, count);
+static __always_inline _syscall3(unsigned long, _dl_read, int, fd,
+ const void *, buf, unsigned long, count);
#define __NR__dl_mprotect __NR_mprotect
-static inline _syscall3(int, _dl_mprotect, const void *, addr, unsigned long, len, int, prot);
+static __always_inline _syscall3(int, _dl_mprotect, const void *, addr,
+ unsigned long, len, int, prot);
#define __NR__dl_stat __NR_stat
-static inline _syscall2(int, _dl_stat, const char *, file_name, struct stat *, buf);
+static __always_inline _syscall2(int, _dl_stat, const char *, file_name,
+ struct stat *, buf);
#define __NR__dl_fstat __NR_fstat
-static inline _syscall2(int, _dl_fstat, int, fd, struct stat *, buf);
+static __always_inline _syscall2(int, _dl_fstat, int, fd, struct stat *, buf);
#define __NR__dl_munmap __NR_munmap
-static inline _syscall2(int, _dl_munmap, void *, start, unsigned long, length);
+static __always_inline _syscall2(int, _dl_munmap, void *, start, unsigned long, length);
+#ifdef __NR_getxuid
+# define __NR_getuid __NR_getxuid
+#endif
#define __NR__dl_getuid __NR_getuid
-static inline _syscall0(uid_t, _dl_getuid);
+static __always_inline _syscall0(uid_t, _dl_getuid);
+#ifndef __NR_geteuid
+# define __NR_geteuid __NR_getuid
+#endif
#define __NR__dl_geteuid __NR_geteuid
-static inline _syscall0(uid_t, _dl_geteuid);
+static __always_inline _syscall0(uid_t, _dl_geteuid);
+#ifdef __NR_getxgid
+# define __NR_getgid __NR_getxgid
+#endif
#define __NR__dl_getgid __NR_getgid
-static inline _syscall0(gid_t, _dl_getgid);
+static __always_inline _syscall0(gid_t, _dl_getgid);
+#ifndef __NR_getegid
+# define __NR_getegid __NR_getgid
+#endif
#define __NR__dl_getegid __NR_getegid
-static inline _syscall0(gid_t, _dl_getegid);
+static __always_inline _syscall0(gid_t, _dl_getegid);
+#ifdef __NR_getxpid
+# define __NR_getpid __NR_getxpid
+#endif
#define __NR__dl_getpid __NR_getpid
-static inline _syscall0(gid_t, _dl_getpid);
+static __always_inline _syscall0(gid_t, _dl_getpid);
#define __NR__dl_readlink __NR_readlink
-static inline _syscall3(int, _dl_readlink, const char *, path, char *, buf, size_t, bufsiz);
+static __always_inline _syscall3(int, _dl_readlink, const char *, path, char *, buf,
+ size_t, bufsiz);
#ifdef __UCLIBC_HAS_SSP__
-#include <sys/time.h>
-#define __NR__dl_gettimeofday __NR_gettimeofday
-static inline _syscall2(int, _dl_gettimeofday, struct timeval *, tv, struct timezone *, tz);
+# include <sys/time.h>
+# define __NR__dl_gettimeofday __NR_gettimeofday
+static __always_inline _syscall2(int, _dl_gettimeofday, struct timeval *, tv,
+# ifdef __USE_BSD
+ struct timezone *, tz);
+# else
+ void *, tz);
+# endif
#endif
-#ifdef __NR_mmap
-#ifdef MMAP_HAS_6_ARGS
-#define __NR__dl_mmap __NR_mmap
-static inline _syscall6(void *, _dl_mmap, void *, start, size_t, length,
- int, prot, int, flags, int, fd, off_t, offset);
+
+/* handle all the fun mmap intricacies */
+#if (defined(__UCLIBC_MMAP_HAS_6_ARGS__) && defined(__NR_mmap)) || !defined(__NR_mmap2)
+# define _dl_MAX_ERRNO 4096
+# define _dl_mmap_check_error(__res) \
+ (((long)__res) < 0 && ((long)__res) >= -_dl_MAX_ERRNO)
#else
-#define __NR__dl_mmap_real __NR_mmap
-static inline _syscall1(void *, _dl_mmap_real, unsigned long *, buffer);
+# define MAP_FAILED ((void *) -1)
+# define _dl_mmap_check_error(X) (((void *)X) == MAP_FAILED)
+#endif
-static inline void * _dl_mmap(void * addr, unsigned long size, int prot,
- int flags, int fd, unsigned long offset)
+/* first try mmap(), syscall6() style */
+#if defined(__UCLIBC_MMAP_HAS_6_ARGS__) && defined(__NR_mmap)
+
+# define __NR__dl_mmap __NR_mmap
+static __always_inline _syscall6(void *, _dl_mmap, void *, start, size_t, length,
+ int, prot, int, flags, int, fd, off_t, offset);
+#if !defined (__mcoldfire__) // Might be a kernel problem. failed on 2.6.25
+/* then try mmap2() */
+#elif defined(__NR_mmap2)
+
+# define __NR___syscall_mmap2 __NR_mmap2
+static __always_inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, size_t, len,
+ int, prot, int, flags, int, fd, off_t, offset);
+
+/* Some architectures always use 12 as page shift for mmap2() eventhough the
+ * real PAGE_SHIFT != 12. Other architectures use the same value as
+ * PAGE_SHIFT...
+ */
+#ifndef MMAP2_PAGE_SHIFT
+# define MMAP2_PAGE_SHIFT 12
+#endif
+
+static __always_inline void * _dl_mmap(void * addr, unsigned long size, int prot,
+ int flags, int fd, unsigned long offset)
+{
+ if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1))
+ return MAP_FAILED;
+ return __syscall_mmap2(addr, size, prot, flags,
+ fd, (off_t) (offset >> MMAP2_PAGE_SHIFT));
+}
+#endif
+/* finally, fall back to mmap(), syscall1() style */
+#elif defined(__NR_mmap)
+
+# define __NR__dl_mmap_real __NR_mmap
+static __always_inline _syscall1(void *, _dl_mmap_real, unsigned long *, buffer);
+static __always_inline void * _dl_mmap(void * addr, unsigned long size, int prot,
+ int flags, int fd, unsigned long offset)
{
unsigned long buffer[6];
buffer[5] = (unsigned long) offset;
return (void *) _dl_mmap_real(buffer);
}
-#endif
-#elif defined __NR_mmap2
-#define __NR___syscall_mmap2 __NR_mmap2
-static inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr,
- size_t, len, int, prot, int, flags, int, fd, off_t, offset);
-/*always 12, even on architectures where PAGE_SHIFT != 12 */
-#define MMAP2_PAGE_SHIFT 12
-static inline void * _dl_mmap(void * addr, unsigned long size, int prot,
- int flags, int fd, unsigned long offset)
-{
- if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1))
- return MAP_FAILED;
- return(__syscall_mmap2(addr, size, prot, flags,
- fd, (off_t) (offset >> MMAP2_PAGE_SHIFT)));
-}
+
#else
-#error "Your architecture doesn't seem to provide mmap() !?"
+# error "Your architecture doesn't seem to provide mmap() !?"
#endif
#endif /* _LD_SYSCALL_H_ */
-
OSDN Git Service
