| 1 | #define __SYSCALL_LL_E(x) \ |
| 2 | ((union { long long ll; long l[2]; }){ .ll = x }).l[0], \ |
| 3 | ((union { long long ll; long l[2]; }){ .ll = x }).l[1] |
| 4 | #define __SYSCALL_LL_O(x) __SYSCALL_LL_E((x)) |
| 5 | |
| 6 | #if SYSCALL_NO_TLS |
| 7 | #define SYSCALL_INSNS "int $128" |
| 8 | #else |
| 9 | #define SYSCALL_INSNS "call *%%gs:16" |
| 10 | #endif |
| 11 | |
| 12 | #define SYSCALL_INSNS_12 "xchg %%ebx,%%edx ; " SYSCALL_INSNS " ; xchg %%ebx,%%edx" |
| 13 | #define SYSCALL_INSNS_34 "xchg %%ebx,%%edi ; " SYSCALL_INSNS " ; xchg %%ebx,%%edi" |
| 14 | |
| 15 | static inline long __syscall0(long n) |
| 16 | { |
| 17 | 	unsigned long __ret; |
| 18 | 	__asm__ __volatile__ (SYSCALL_INSNS : "=a"(__ret) : "a"(n) : "memory"); |
| 19 | 	return __ret; |
| 20 | } |
| 21 | |
| 22 | static inline long __syscall1(long n, long a1) |
| 23 | { |
| 24 | 	unsigned long __ret; |
| 25 | 	__asm__ __volatile__ (SYSCALL_INSNS_12 : "=a"(__ret) : "a"(n), "d"(a1) : "memory"); |
| 26 | 	return __ret; |
| 27 | } |
| 28 | |
| 29 | static inline long __syscall2(long n, long a1, long a2) |
| 30 | { |
| 31 | 	unsigned long __ret; |
| 32 | 	__asm__ __volatile__ (SYSCALL_INSNS_12 : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2) : "memory"); |
| 33 | 	return __ret; |
| 34 | } |
| 35 | |
| 36 | static inline long __syscall3(long n, long a1, long a2, long a3) |
| 37 | { |
| 38 | 	unsigned long __ret; |
| 39 | #if !defined(__PIC__) || !defined(BROKEN_EBX_ASM) |
| 40 | 	__asm__ __volatile__ (SYSCALL_INSNS : "=a"(__ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3) : "memory"); |
| 41 | #else |
| 42 | 	__asm__ __volatile__ (SYSCALL_INSNS_34 : "=a"(__ret) : "a"(n), "D"(a1), "c"(a2), "d"(a3) : "memory"); |
| 43 | #endif |
| 44 | 	return __ret; |
| 45 | } |
| 46 | |
| 47 | static inline long __syscall4(long n, long a1, long a2, long a3, long a4) |
| 48 | { |
| 49 | 	unsigned long __ret; |
| 50 | #if !defined(__PIC__) || !defined(BROKEN_EBX_ASM) |
| 51 | 	__asm__ __volatile__ (SYSCALL_INSNS : "=a"(__ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4) : "memory"); |
| 52 | #else |
| 53 | 	__asm__ __volatile__ (SYSCALL_INSNS_34 : "=a"(__ret) : "a"(n), "D"(a1), "c"(a2), "d"(a3), "S"(a4) : "memory"); |
| 54 | #endif |
| 55 | 	return __ret; |
| 56 | } |
| 57 | |
| 58 | static inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5) |
| 59 | { |
| 60 | 	unsigned long __ret; |
| 61 | #if !defined(__PIC__) || !defined(BROKEN_EBX_ASM) |
| 62 | 	__asm__ __volatile__ (SYSCALL_INSNS |
| 63 | 		: "=a"(__ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5) : "memory"); |
| 64 | #else |
| 65 | 	__asm__ __volatile__ ("pushl %2 ; push %%ebx ; mov 4(%%esp),%%ebx ; " SYSCALL_INSNS " ; pop %%ebx ; add $4,%%esp" |
| 66 | 		: "=a"(__ret) : "a"(n), "g"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5) : "memory"); |
| 67 | #endif |
| 68 | 	return __ret; |
| 69 | } |
| 70 | |
| 71 | static inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6) |
| 72 | { |
| 73 | 	unsigned long __ret; |
| 74 | #if !defined(__PIC__) || !defined(BROKEN_EBX_ASM) |
| 75 | 	__asm__ __volatile__ ("pushl %7 ; push %%ebp ; mov 4(%%esp),%%ebp ; " SYSCALL_INSNS " ; pop %%ebp ; add $4,%%esp" |
| 76 | 		: "=a"(__ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5), "g"(a6) : "memory"); |
| 77 | #else |
| 78 | 	unsigned long a1a6[2] = { a1, a6 }; |
| 79 | 	__asm__ __volatile__ ("pushl %1 ; push %%ebx ; push %%ebp ; mov 8(%%esp),%%ebx ; mov 4(%%ebx),%%ebp ; mov (%%ebx),%%ebx ; " SYSCALL_INSNS " ; pop %%ebp ; pop %%ebx ; add $4,%%esp" |
| 80 | 		: "=a"(__ret) : "g"(&a1a6), "a"(n), "c"(a2), "d"(a3), "S"(a4), "D"(a5) : "memory"); |
| 81 | #endif |
| 82 | 	return __ret; |
| 83 | } |
| 84 | |
| 85 | #define VDSO_USEFUL |
| 86 | #define VDSO_CGT32_SYM "__vdso_clock_gettime" |
| 87 | #define VDSO_CGT32_VER "LINUX_2.6" |
| 88 | #define VDSO_CGT_SYM "__vdso_clock_gettime64" |
| 89 | #define VDSO_CGT_VER "LINUX_2.6" |