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Diffstat (limited to 'libc/sysdeps/linux/mips')
-rw-r--r--libc/sysdeps/linux/mips/pread_write.c52
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"