diff options
Diffstat (limited to 'src/internal/syscall.h')
-rw-r--r-- | src/internal/syscall.h | 143 |
1 files changed, 138 insertions, 5 deletions
diff --git a/src/internal/syscall.h b/src/internal/syscall.h index 0d88a0ce..ffaf640a 100644 --- a/src/internal/syscall.h +++ b/src/internal/syscall.h @@ -1,9 +1,28 @@ -#ifndef _SYSCALL_H -#define _SYSCALL_H +#ifndef _INTERNAL_SYSCALL_H +#define _INTERNAL_SYSCALL_H -/* This header is mostly useless leftover wrapper cruft */ +long __syscall_ret(unsigned long); +long __syscall(long, ...); +long __syscall_cp(long, long, long, long, long, long, long); #include <sys/syscall.h> +#include "syscall_arch.h" + +#define __syscall1(n,a) __syscall1(n,(long)(a)) +#define __syscall2(n,a,b) __syscall2(n,(long)(a),(long)(b)) +#define __syscall3(n,a,b,c) __syscall3(n,(long)(a),(long)(b),(long)(c)) +#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 __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_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__) + +#define __syscall(...) __SYSCALL_DISP(__syscall,__VA_ARGS__) +#define syscall(...) __syscall_ret(__syscall(__VA_ARGS__)) #define socketcall __socketcall #define socketcall_cp __socketcall_cp @@ -16,9 +35,123 @@ #define __syscall_cp5(n,a,b,c,d,e) (__syscall_cp)(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e),0) #define __syscall_cp6(n,a,b,c,d,e,f) (__syscall_cp)(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e),(long)(f)) -long (__syscall_cp)(long, long, long, long, long, long, long); - #define __syscall_cp(...) __SYSCALL_DISP(__syscall_cp,__VA_ARGS__) #define syscall_cp(...) __syscall_ret(__syscall_cp(__VA_ARGS__)) +#ifdef SYS_socket +#define __socketcall(nm,a,b,c,d,e,f) syscall(SYS_##nm, a, b, c, d, e, f) +#define __socketcall_cp(nm,a,b,c,d,e,f) syscall_cp(SYS_##nm, a, b, c, d, e, f) +#else +#define __socketcall(nm,a,b,c,d,e,f) syscall(SYS_socketcall, __SC_##nm, \ + ((long [6]){ (long)a, (long)b, (long)c, (long)d, (long)e, (long)f })) +#define __socketcall_cp(nm,a,b,c,d,e,f) syscall_cp(SYS_socketcall, __SC_##nm, \ + ((long [6]){ (long)a, (long)b, (long)c, (long)d, (long)e, (long)f })) +#endif + +/* fixup legacy 16-bit junk */ + +#ifdef SYS_getuid32 +#undef SYS_lchown +#undef SYS_getuid +#undef SYS_getgid +#undef SYS_geteuid +#undef SYS_getegid +#undef SYS_setreuid +#undef SYS_setregid +#undef SYS_getgroups +#undef SYS_setgroups +#undef SYS_fchown +#undef SYS_setresuid +#undef SYS_getresuid +#undef SYS_setresgid +#undef SYS_getresgid +#undef SYS_chown +#undef SYS_setuid +#undef SYS_setgid +#undef SYS_setfsuid +#undef SYS_setfsgid +#define SYS_lchown SYS_lchown32 +#define SYS_getuid SYS_getuid32 +#define SYS_getgid SYS_getgid32 +#define SYS_geteuid SYS_geteuid32 +#define SYS_getegid SYS_getegid32 +#define SYS_setreuid SYS_setreuid32 +#define SYS_setregid SYS_setregid32 +#define SYS_getgroups SYS_getgroups32 +#define SYS_setgroups SYS_setgroups32 +#define SYS_fchown SYS_fchown32 +#define SYS_setresuid SYS_setresuid32 +#define SYS_getresuid SYS_getresuid32 +#define SYS_setresgid SYS_setresgid32 +#define SYS_getresgid SYS_getresgid32 +#define SYS_chown SYS_chown32 +#define SYS_setuid SYS_setuid32 +#define SYS_setgid SYS_setgid32 +#define SYS_setfsuid SYS_setfsuid32 +#define SYS_setfsgid SYS_setfsgid32 +#endif + + +/* fixup legacy 32-bit-vs-lfs64 junk */ + +#ifdef SYS_fcntl64 +#undef SYS_fcntl +#define SYS_fcntl SYS_fcntl64 +#endif + +#ifdef SYS_getdents64 +#undef SYS_getdents +#define SYS_getdents SYS_getdents64 +#endif + +#ifdef SYS_ftruncate64 +#undef SYS_ftruncate +#undef SYS_truncate +#define SYS_ftruncate SYS_ftruncate64 +#define SYS_truncate SYS_truncate64 +#endif + +#ifdef SYS_stat64 +#undef SYS_stat +#undef SYS_fstat +#undef SYS_lstat +#undef SYS_statfs +#undef SYS_fstatfs +#define SYS_stat SYS_stat64 +#define SYS_fstat SYS_fstat64 +#define SYS_lstat SYS_lstat64 +#define SYS_statfs SYS_statfs64 +#define SYS_fstatfs SYS_fstatfs64 +#endif + +#if defined(SYS_newfstatat) +#undef SYS_fstatat +#define SYS_fstatat SYS_newfstatat +#elif defined(SYS_fstatat64) +#undef SYS_fstatat +#define SYS_fstatat SYS_fstatat64 +#endif + +#ifdef SYS_ugetrlimit +#undef SYS_getrlimit +#define SYS_getrlimit SYS_ugetrlimit +#endif + +#ifdef SYS__newselect +#undef SYS_select +#define SYS_select SYS__newselect +#endif + +#ifdef SYS_pread64 +#undef SYS_pread +#undef SYS_pwrite +#define SYS_pread SYS_pread64 +#define SYS_pwrite SYS_pwrite64 +#endif + +#ifdef SYS_fadvise64_64 +#undef SYS_fadvise +#define SYS_fadvise SYS_fadvise64_64 +#endif + #endif |