diff options
Diffstat (limited to 'libc/sysdeps/linux/mips/pread_write.c')
| -rw-r--r-- | libc/sysdeps/linux/mips/pread_write.c | 52 |
1 files changed, 9 insertions, 43 deletions
diff --git a/libc/sysdeps/linux/mips/pread_write.c b/libc/sysdeps/linux/mips/pread_write.c index b777dc47e..3dc97c993 100644 --- a/libc/sysdeps/linux/mips/pread_write.c +++ b/libc/sysdeps/linux/mips/pread_write.c @@ -10,56 +10,22 @@ #include <endian.h> #include <sgidefs.h> -#ifdef __NR_pread64 -# ifdef __NR_pread -# error "__NR_pread and __NR_pread64 both defined???" -# endif -# define __NR_pread __NR_pread64 -#endif - -#ifdef __NR_pread -# if _MIPS_SIM == _MIPS_SIM_ABI64 /* glibc uses it for N32 as well */ -# define __NR___syscall_pread __NR_pread +/* We should generalize this for 32bit userlands w/64bit regs. This applies + * to the x86_64 x32 and the mips n32 ABIs. */ +#if _MIPS_SIM == _MIPS_SIM_NABI32 +# define __NR___syscall_pread __NR_pread static _syscall4(ssize_t, __syscall_pread, int, fd, void *, buf, size_t, count, off_t, offset) -# define MY_PREAD(fd, buf, count, offset) \ +# define MY_PREAD(fd, buf, count, offset) \ __syscall_pread(fd, buf, count, offset) -# define MY_PREAD64(fd, buf, count, offset) \ +# define MY_PREAD64(fd, buf, count, offset) \ __syscall_pread(fd, buf, count, offset) -# else /* O32 || N32 */ -# define __NR___syscall_pread __NR_pread -static _syscall6(ssize_t, __syscall_pread, int, fd, void *, buf, - size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) -# define MY_PREAD(fd, buf, count, offset) \ - __syscall_pread(fd, buf, count, 0, OFF_HI_LO(offset)) -# define MY_PREAD64(fd, buf, count, offset) \ - __syscall_pread(fd, buf, count, 0, OFF64_HI_LO(offset)) -# endif -#endif - -#ifdef __NR_pwrite64 -# ifdef __NR_pwrite -# error "__NR_pwrite and __NR_pwrite64 both defined???" -# endif -# define __NR_pwrite __NR_pwrite64 -#endif -#ifdef __NR_pwrite -# if _MIPS_SIM == _MIPS_SIM_ABI64 /* glibc uses it for N32 as well */ -# define __NR___syscall_pwrite __NR_pwrite +# define __NR___syscall_pwrite __NR_pwrite static _syscall4(ssize_t, __syscall_pwrite, int, fd, const void *, buf, size_t, count, off_t, offset) -# define MY_PWRITE(fd, buf, count, offset) \ +# define MY_PWRITE(fd, buf, count, offset) \ __syscall_pwrite(fd, buf, count, offset) -# define MY_PWRITE64(fd, buf, count, offset) \ +# define MY_PWRITE64(fd, buf, count, offset) \ __syscall_pwrite(fd, buf, count, offset) -# else /* O32 || N32 */ -# define __NR___syscall_pwrite __NR_pwrite -static _syscall6(ssize_t, __syscall_pwrite, int, fd, const void *, buf, - size_t, count, int, dummy, off_t, offset_hi, off_t, offset_lo) -# define MY_PWRITE(fd, buf, count, offset) \ - __syscall_pwrite(fd, buf, count, 0, OFF_HI_LO(offset)) -# define MY_PWRITE64(fd, buf, count, offset) \ - __syscall_pwrite(fd, buf, count, 0, OFF64_HI_LO(offset)) -# endif #endif #include "../common/pread_write.c" |