summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/sh/bits
diff options
context:
space:
mode:
Diffstat (limited to 'libc/sysdeps/linux/sh/bits')
-rw-r--r--libc/sysdeps/linux/sh/bits/syscalls.h145
1 files changed, 145 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sh/bits/syscalls.h b/libc/sysdeps/linux/sh/bits/syscalls.h
index 234f80653..e0ab65b82 100644
--- a/libc/sysdeps/linux/sh/bits/syscalls.h
+++ b/libc/sysdeps/linux/sh/bits/syscalls.h
@@ -140,6 +140,151 @@ __asm__ __volatile__ ("trapa %1" \
__syscall_return(type,__sc0); \
}
+#define SYSCALL_INST_STR0 "trapa #0x10\n\t"
+#define SYSCALL_INST_STR1 "trapa #0x11\n\t"
+#define SYSCALL_INST_STR2 "trapa #0x12\n\t"
+#define SYSCALL_INST_STR3 "trapa #0x13\n\t"
+#define SYSCALL_INST_STR4 "trapa #0x14\n\t"
+#define SYSCALL_INST_STR5 "trapa #0x15\n\t"
+#define SYSCALL_INST_STR6 "trapa #0x16\n\t"
+
+# ifdef NEED_SYSCALL_INST_PAD
+# define SYSCALL_INST_PAD "\
+ or r0,r0; or r0,r0; or r0,r0; or r0,r0; or r0,r0"
+# else
+# define SYSCALL_INST_PAD
+# endif
+
+#define ASMFMT_0
+#define ASMFMT_1 \
+ , "r" (r4)
+#define ASMFMT_2 \
+ , "r" (r4), "r" (r5)
+#define ASMFMT_3 \
+ , "r" (r4), "r" (r5), "r" (r6)
+#define ASMFMT_4 \
+ , "r" (r4), "r" (r5), "r" (r6), "r" (r7)
+#define ASMFMT_5 \
+ , "r" (r4), "r" (r5), "r" (r6), "r" (r7), "0" (r0)
+#define ASMFMT_6 \
+ , "r" (r4), "r" (r5), "r" (r6), "r" (r7), "0" (r0), "r" (r1)
+#define ASMFMT_7 \
+ , "r" (r4), "r" (r5), "r" (r6), "r" (r7), "0" (r0), "r" (r1), "r" (r2)
+
+#define SUBSTITUTE_ARGS_0()
+#define SUBSTITUTE_ARGS_1(arg1) \
+ long int _arg1 = (long int) (arg1); \
+ register long int r4 __asm__ ("%r4") = (long int) (_arg1)
+#define SUBSTITUTE_ARGS_2(arg1, arg2) \
+ long int _arg1 = (long int) (arg1); \
+ long int _arg2 = (long int) (arg2); \
+ register long int r4 __asm__ ("%r4") = (long int) (_arg1); \
+ register long int r5 __asm__ ("%r5") = (long int) (_arg2)
+#define SUBSTITUTE_ARGS_3(arg1, arg2, arg3) \
+ long int _arg1 = (long int) (arg1); \
+ long int _arg2 = (long int) (arg2); \
+ long int _arg3 = (long int) (arg3); \
+ register long int r4 __asm__ ("%r4") = (long int) (_arg1); \
+ register long int r5 __asm__ ("%r5") = (long int) (_arg2); \
+ register long int r6 __asm__ ("%r6") = (long int) (_arg3)
+#define SUBSTITUTE_ARGS_4(arg1, arg2, arg3, arg4) \
+ long int _arg1 = (long int) (arg1); \
+ long int _arg2 = (long int) (arg2); \
+ long int _arg3 = (long int) (arg3); \
+ long int _arg4 = (long int) (arg4); \
+ register long int r4 __asm__ ("%r4") = (long int) (_arg1); \
+ register long int r5 __asm__ ("%r5") = (long int) (_arg2); \
+ register long int r6 __asm__ ("%r6") = (long int) (_arg3); \
+ register long int r7 __asm__ ("%r7") = (long int) (_arg4)
+#define SUBSTITUTE_ARGS_5(arg1, arg2, arg3, arg4, arg5) \
+ long int _arg1 = (long int) (arg1); \
+ long int _arg2 = (long int) (arg2); \
+ long int _arg3 = (long int) (arg3); \
+ long int _arg4 = (long int) (arg4); \
+ long int _arg5 = (long int) (arg5); \
+ register long int r4 __asm__ ("%r4") = (long int) (_arg1); \
+ register long int r5 __asm__ ("%r5") = (long int) (_arg2); \
+ register long int r6 __asm__ ("%r6") = (long int) (_arg3); \
+ register long int r7 __asm__ ("%r7") = (long int) (_arg4); \
+ register long int r0 __asm__ ("%r0") = (long int) (_arg5)
+#define SUBSTITUTE_ARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \
+ long int _arg1 = (long int) (arg1); \
+ long int _arg2 = (long int) (arg2); \
+ long int _arg3 = (long int) (arg3); \
+ long int _arg4 = (long int) (arg4); \
+ long int _arg5 = (long int) (arg5); \
+ long int _arg6 = (long int) (arg6); \
+ register long int r4 __asm__ ("%r4") = (long int)(_arg1); \
+ register long int r5 __asm__ ("%r5") = (long int) (_arg2); \
+ register long int r6 __asm__ ("%r6") = (long int) (_arg3); \
+ register long int r7 __asm__ ("%r7") = (long int) (_arg4); \
+ register long int r0 __asm__ ("%r0") = (long int) (_arg5); \
+ register long int r1 __asm__ ("%r1") = (long int) (_arg6)
+#define SUBSTITUTE_ARGS_7(arg1, arg2, arg3, arg4, arg5, arg6, arg7) \
+ long int _arg1 = (long int) (arg1); \
+ long int _arg2 = (long int) (arg2); \
+ long int _arg3 = (long int) (arg3); \
+ long int _arg4 = (long int) (arg4); \
+ long int _arg5 = (long int) (arg5); \
+ long int _arg6 = (long int) (arg6); \
+ long int _arg7 = (long int) (arg7); \
+ register long int r4 __asm__ ("%r4") = (long int) (_arg1); \
+ register long int r5 __asm__ ("%r5") = (long int) (_arg2); \
+ register long int r6 __asm__ ("%r6") = (long int) (_arg3); \
+ register long int r7 __asm__ ("%r7") = (long int) (_arg4); \
+ register long int r0 __asm__ ("%r0") = (long int) (_arg5); \
+ register long int r1 __asm__ ("%r1") = (long int) (_arg6); \
+ register long int r2 __asm__ ("%r2") = (long int) (_arg7)
+
+#undef INLINE_SYSCALL
+#define INLINE_SYSCALL(name, nr, args...) \
+ ({ \
+ unsigned int __resultvar = INTERNAL_SYSCALL (name, , nr, args); \
+ if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (__resultvar, ), 0)) \
+ { \
+ __set_errno (INTERNAL_SYSCALL_ERRNO (__resultvar, )); \
+ __resultvar = 0xffffffff; \
+ } \
+ (int) __resultvar; })
+
+#undef INTERNAL_SYSCALL
+#define INTERNAL_SYSCALL(name, err, nr, args...) \
+ ({ \
+ unsigned long int resultvar; \
+ register long int r3 __asm__ ("%r3") = SYS_ify (name); \
+ SUBSTITUTE_ARGS_##nr(args); \
+ \
+ __asm__ volatile (SYSCALL_INST_STR##nr SYSCALL_INST_PAD \
+ : "=z" (resultvar) \
+ : "r" (r3) ASMFMT_##nr \
+ : "memory"); \
+ \
+ (int) resultvar; })
+
+/* The _NCS variant allows non-constant syscall numbers. */
+#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
+ ({ \
+ unsigned long int resultvar; \
+ register long int r3 __asm__ ("%r3") = (name); \
+ SUBSTITUTE_ARGS_##nr(args); \
+ \
+ __asm__ volatile (SYSCALL_INST_STR##nr SYSCALL_INST_PAD \
+ : "=z" (resultvar) \
+ : "r" (r3) ASMFMT_##nr \
+ : "memory"); \
+ \
+ (int) resultvar; })
+
+#undef INTERNAL_SYSCALL_DECL
+#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
+
+#undef INTERNAL_SYSCALL_ERROR_P
+#define INTERNAL_SYSCALL_ERROR_P(val, err) \
+ ((unsigned int) (val) >= 0xfffff001u)
+
+#undef INTERNAL_SYSCALL_ERRNO
+#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
+
#endif /* __ASSEMBLER__ */
#endif /* _BITS_SYSCALLS_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 13:15:05 +0000