diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/mmap64.c | 9 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h | 57 |
2 files changed, 61 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/mmap64.c b/sysdeps/unix/sysv/linux/powerpc/mmap64.c index d94deb040f..63f32e9908 100644 --- a/sysdeps/unix/sysv/linux/powerpc/mmap64.c +++ b/sysdeps/unix/sysv/linux/powerpc/mmap64.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. +/* Copyright (C) 1999,2000,01,02 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 1999. @@ -56,9 +56,10 @@ __mmap64 (void *addr, size_t len, int prot, int flags, int fd, off64_t offset) int saved_errno = errno; # endif void *result; - __ptrvalue (result) = INLINE_SYSCALL (mmap2, 6, __ptrvalue (addr), len, - prot, flags, fd, - (off_t) (offset >> PAGE_SHIFT)); + __ptrvalue (result) + = (void *) INLINE_SYSCALL (mmap2, 6, __ptrvalue (addr), len, + prot, flags, fd, + (off_t) (offset >> PAGE_SHIFT)); # if __BOUNDED_POINTERS__ __ptrlow (result) = __ptrvalue (result); __ptrhigh (result) = __ptrvalue (result) + len; diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h index 78ff4edcc6..524a32b9b4 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1992,1997,1998,1999,2000,2001 Free Software Foundation, Inc. +/* Copyright (C) 1992,97,98,99,2000,01,02 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 @@ -32,4 +32,59 @@ # define SYS_ify(syscall_name) __NR_/**/syscall_name #endif +#ifndef __ASSEMBLER__ + +# include <errno.h> + +# undef INLINE_SYSCALL +# define INLINE_SYSCALL(name, nr, args...) \ + ({ \ + long ret, err; \ + LOADARGS_##nr(name, args); \ + __asm__ ("sc\n\t" \ + "mfcr %1\n\t" \ + : "=r" (r3), "=r" (err) \ + : ASM_INPUT_##nr \ + : "cc", "memory"); \ + ret = r3; \ + if (err & 1 << 28) \ + { \ + __set_errno (ret); \ + ret = -1L; \ + } \ + ret; \ + }) + +# define LOADARGS_0(name) \ + register long r0 __asm__ ("r0") = __NR_##name; \ + register long r3 __asm__ ("r3") +# define LOADARGS_1(name, arg1) \ + LOADARGS_0(name) = (long) (arg1) +# define LOADARGS_2(name, arg1, arg2) \ + LOADARGS_1(name, arg1); \ + register long r4 __asm__ ("r4") = (long) (arg2) +# define LOADARGS_3(name, arg1, arg2, arg3) \ + LOADARGS_2(name, arg1, arg2); \ + register long r5 __asm__ ("r5") = (long) (arg3) +# define LOADARGS_4(name, arg1, arg2, arg3, arg4) \ + LOADARGS_3(name, arg1, arg2, arg3); \ + register long r6 __asm__ ("r6") = (long) (arg4) +# define LOADARGS_5(name, arg1, arg2, arg3, arg4, arg5) \ + LOADARGS_4(name, arg1, arg2, arg3, arg4); \ + register long r7 __asm__ ("r7") = (long) (arg5) +# define LOADARGS_6(name, arg1, arg2, arg3, arg4, arg5, arg6) \ + LOADARGS_5(name, arg1, arg2, arg3, arg4, arg5); \ + register long r8 __asm__ ("r8") = (long) (arg6) + +# define ASM_INPUT_0 "r" (r0) +# define ASM_INPUT_1 ASM_INPUT_0, "0" (r3) +# define ASM_INPUT_2 ASM_INPUT_1, "r" (r4) +# define ASM_INPUT_3 ASM_INPUT_2, "r" (r5) +# define ASM_INPUT_4 ASM_INPUT_3, "r" (r6) +# define ASM_INPUT_5 ASM_INPUT_4, "r" (r7) +# define ASM_INPUT_6 ASM_INPUT_5, "r" (r8) + +#endif /* __ASSEMBLER__ */ + + #endif /* linux/powerpc/sysdep.h */ |