diff options
Diffstat (limited to 'libc/sysdeps/linux/xtensa/bits/syscalls.h')
| -rw-r--r-- | libc/sysdeps/linux/xtensa/bits/syscalls.h | 61 |
1 files changed, 4 insertions, 57 deletions
diff --git a/libc/sysdeps/linux/xtensa/bits/syscalls.h b/libc/sysdeps/linux/xtensa/bits/syscalls.h index a59a8052a..7e900c590 100644 --- a/libc/sysdeps/linux/xtensa/bits/syscalls.h +++ b/libc/sysdeps/linux/xtensa/bits/syscalls.h @@ -9,8 +9,6 @@ glibc .../sysdeps/unix/sysv/linux/xtensa/sysdep.h */ -#define SYS_ify(syscall_name) __NR_##syscall_name - #ifdef __ASSEMBLER__ /* The register layout upon entering the function is: @@ -74,67 +72,16 @@ /* Define a macro which expands into the inline wrapper code for a system call. */ -#undef INLINE_SYSCALL -#define INLINE_SYSCALL(name, nr, args...) \ - ({ unsigned long resultvar = INTERNAL_SYSCALL (name, , nr, args); \ - if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (resultvar, ), 0)) \ - { \ - __set_errno (INTERNAL_SYSCALL_ERRNO (resultvar, )); \ - resultvar = (unsigned long) -1; \ - } \ - (long) resultvar; }) - -#undef INTERNAL_SYSCALL_DECL -#define INTERNAL_SYSCALL_DECL(err) do { } while (0) - #define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ +(__extension__ \ ({ LD_ARG(2, name); \ LD_ARGS_##nr(args); \ __asm__ __volatile__ ("syscall\n" \ : "=a" (_a2) \ : ASM_ARGS_##nr \ : "memory"); \ - (long) _a2; }) - -#undef INTERNAL_SYSCALL -#define INTERNAL_SYSCALL(name, err, nr, args...) \ - INTERNAL_SYSCALL_NCS (__NR_##name, err, nr, ##args) - -#undef INTERNAL_SYSCALL_ERROR_P -#define INTERNAL_SYSCALL_ERROR_P(val, err) \ - ((unsigned long) (val) >= -4095L) - -#undef INTERNAL_SYSCALL_ERRNO -#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val)) - -#define _syscall0(args...) SYSCALL_FUNC (0, args) -#define _syscall1(args...) SYSCALL_FUNC (1, args) -#define _syscall2(args...) SYSCALL_FUNC (2, args) -#define _syscall3(args...) SYSCALL_FUNC (3, args) -#define _syscall4(args...) SYSCALL_FUNC (4, args) -#define _syscall5(args...) SYSCALL_FUNC (5, args) -#define _syscall6(args...) SYSCALL_FUNC (6, args) - -#define C_DECL_ARGS_0() void -#define C_DECL_ARGS_1(t, v) t v -#define C_DECL_ARGS_2(t, v, args...) t v, C_DECL_ARGS_1(args) -#define C_DECL_ARGS_3(t, v, args...) t v, C_DECL_ARGS_2(args) -#define C_DECL_ARGS_4(t, v, args...) t v, C_DECL_ARGS_3(args) -#define C_DECL_ARGS_5(t, v, args...) t v, C_DECL_ARGS_4(args) -#define C_DECL_ARGS_6(t, v, args...) t v, C_DECL_ARGS_5(args) - -#define C_ARGS_0() -#define C_ARGS_1(t, v) v -#define C_ARGS_2(t, v, args...) v, C_ARGS_1 (args) -#define C_ARGS_3(t, v, args...) v, C_ARGS_2 (args) -#define C_ARGS_4(t, v, args...) v, C_ARGS_3 (args) -#define C_ARGS_5(t, v, args...) v, C_ARGS_4 (args) -#define C_ARGS_6(t, v, args...) v, C_ARGS_5 (args) - -#define SYSCALL_FUNC(nargs, type, name, args...) \ -type name (C_DECL_ARGS_##nargs (args)) { \ - return (type) INLINE_SYSCALL (name, nargs, C_ARGS_##nargs (args)); \ -} - + (long) _a2; \ + }) \ +) #endif /* not __ASSEMBLER__ */ #endif /* _BITS_SYSCALLS_H */ |