diff options
Diffstat (limited to 'libc/sysdeps/linux/metag/bits/syscalls.h')
| -rw-r--r-- | libc/sysdeps/linux/metag/bits/syscalls.h | 73 |
1 files changed, 47 insertions, 26 deletions
diff --git a/libc/sysdeps/linux/metag/bits/syscalls.h b/libc/sysdeps/linux/metag/bits/syscalls.h index b5c8fc58c..7ea09c2c3 100644 --- a/libc/sysdeps/linux/metag/bits/syscalls.h +++ b/libc/sysdeps/linux/metag/bits/syscalls.h @@ -49,8 +49,9 @@ (__extension__ \ ({unsigned int __sys_result; \ { \ + PREP_ARGS_##nr (args); \ register int _result __asm__ ("D0Re0"), _nr __asm__ ("D1Re0"); \ - LOAD_ARGS_##nr (args); \ + LOAD_ARGS_##nr; \ _nr = (name); \ __asm__ volatile ("SWITCH #0x440001 ! syscall " #name \ : "=r" (_result) \ @@ -68,32 +69,52 @@ #undef INTERNAL_SYSCALL_ERRNO #define INTERNAL_SYSCALL_ERRNO(val, err) (-(val)) -#define LOAD_ARGS_0() +#define PREP_ARGS_0() +#define PREP_ARGS_1(a1) \ + int _t1 = (int) (a1); \ + PREP_ARGS_0 () +#define PREP_ARGS_2(a1, a2) \ + int _t2 = (int) (a2); \ + PREP_ARGS_1 (a1) +#define PREP_ARGS_3(a1, a2, a3) \ + int _t3 = (int) (a3); \ + PREP_ARGS_2 (a1, a2) +#define PREP_ARGS_4(a1, a2, a3, a4) \ + int _t4 = (int) (a4); \ + PREP_ARGS_3 (a1, a2, a3) +#define PREP_ARGS_5(a1, a2, a3, a4, a5) \ + int _t5 = (int) (a5); \ + PREP_ARGS_4 (a1, a2, a3, a4) +#define PREP_ARGS_6(a1, a2, a3, a4, a5, a6) \ + int _t6 = (int) (a6); \ + PREP_ARGS_5 (a1, a2, a3, a4, a5) + +#define LOAD_ARGS_0 #define ASM_ARGS_0 -#define LOAD_ARGS_1(a1) \ - register int _a1 __asm__ ("D1Ar1") = (int) (a1); \ - LOAD_ARGS_0 () -#define ASM_ARGS_1 ASM_ARGS_0, "d" (_a1) -#define LOAD_ARGS_2(a1, a2) \ - register int _a2 __asm__ ("D0Ar2") = (int) (a2); \ - LOAD_ARGS_1 (a1) -#define ASM_ARGS_2 ASM_ARGS_1, "d" (_a2) -#define LOAD_ARGS_3(a1, a2, a3) \ - register int _a3 __asm__ ("D1Ar3") = (int) (a3); \ - LOAD_ARGS_2 (a1, a2) -#define ASM_ARGS_3 ASM_ARGS_2, "d" (_a3) -#define LOAD_ARGS_4(a1, a2, a3, a4) \ - register int _a4 __asm__ ("D0Ar4") = (int) (a4); \ - LOAD_ARGS_3 (a1, a2, a3) -#define ASM_ARGS_4 ASM_ARGS_3, "d" (_a4) -#define LOAD_ARGS_5(a1, a2, a3, a4, a5) \ - register int _a5 __asm__ ("D1Ar5") = (int) (a5); \ - LOAD_ARGS_4 (a1, a2, a3, a4) -#define ASM_ARGS_5 ASM_ARGS_4, "d" (_a5) -#define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \ - register int _a6 __asm__ ("D0Ar6") = (int) (a6); \ - LOAD_ARGS_5 (a1, a2, a3, a4, a5) -#define ASM_ARGS_6 ASM_ARGS_5, "d" (_a6) +#define LOAD_ARGS_1 \ + register int _a1 __asm__ ("D1Ar1") = (int) (_t1); \ + LOAD_ARGS_0 +#define ASM_ARGS_1 ASM_ARGS_0, "d" (_a1) +#define LOAD_ARGS_2 \ + register int _a2 __asm__ ("D0Ar2") = (int) (_t2); \ + LOAD_ARGS_1 +#define ASM_ARGS_2 ASM_ARGS_1, "d" (_a2) +#define LOAD_ARGS_3 \ + register int _a3 __asm__ ("D1Ar3") = (int) (_t3); \ + LOAD_ARGS_2 +#define ASM_ARGS_3 ASM_ARGS_2, "d" (_a3) +#define LOAD_ARGS_4 \ + register int _a4 __asm__ ("D0Ar4") = (int) (_t4); \ + LOAD_ARGS_3 +#define ASM_ARGS_4 ASM_ARGS_3, "d" (_a4) +#define LOAD_ARGS_5 \ + register int _a5 __asm__ ("D1Ar5") = (int) (_t5); \ + LOAD_ARGS_4 +#define ASM_ARGS_5 ASM_ARGS_4, "d" (_a5) +#define LOAD_ARGS_6 \ + register int _a6 __asm__ ("D0Ar6") = (int) (_t6); \ + LOAD_ARGS_5 +#define ASM_ARGS_6 ASM_ARGS_5, "d" (_a6) #endif /* __ASSEMBLER__ */ #endif /* _BITS_SYSCALLS_H */ |