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| author | Rich Felker <dalias@aerifal.cx> | 2012-09-09 14:53:06 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-09-09 14:53:06 -0400 |
| commit | 9a3bbce447403d735282586786dc436ec1ffbad4 (patch) | |
| tree | 5dc2b8d273b394fd8554d15f79aab34dd2d2dd11 /src/internal/syscall.h | |
| parent | 5e3c243d8df6b1504db9c1e6442d47ed38937e02 (diff) | |
| download | musl-9a3bbce447403d735282586786dc436ec1ffbad4.tar.gz | |
add 7-arg syscall support for mips
no syscalls actually use that many arguments; the issue is that some
syscalls with 64-bit arguments have them ordered badly so that
breaking them into aligned 32-bit half-arguments wastes slots with
padding, and a 7th slot is needed for the last argument.
Diffstat (limited to 'src/internal/syscall.h')
| -rw-r--r-- | src/internal/syscall.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/internal/syscall.h b/src/internal/syscall.h index ffaf640a..50409ef8 100644 --- a/src/internal/syscall.h +++ b/src/internal/syscall.h @@ -14,9 +14,10 @@ long __syscall_cp(long, long, long, long, long, long, long); #define __syscall4(n,a,b,c,d) __syscall4(n,(long)(a),(long)(b),(long)(c),(long)(d)) #define __syscall5(n,a,b,c,d,e) __syscall5(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e)) #define __syscall6(n,a,b,c,d,e,f) __syscall6(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e),(long)(f)) +#define __syscall7(n,a,b,c,d,e,f,g) (__syscall)(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e),(long)(f),(long)g) -#define __SYSCALL_NARGS_X(a,b,c,d,e,f,g,n,...) n -#define __SYSCALL_NARGS(...) __SYSCALL_NARGS_X(__VA_ARGS__,6,5,4,3,2,1,0) +#define __SYSCALL_NARGS_X(a,b,c,d,e,f,g,h,n,...) n +#define __SYSCALL_NARGS(...) __SYSCALL_NARGS_X(__VA_ARGS__,7,6,5,4,3,2,1,0) #define __SYSCALL_CONCAT_X(a,b) a##b #define __SYSCALL_CONCAT(a,b) __SYSCALL_CONCAT_X(a,b) #define __SYSCALL_DISP(b,...) __SYSCALL_CONCAT(b,__SYSCALL_NARGS(__VA_ARGS__))(__VA_ARGS__) |