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
__syscall0(long n)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
__syscall1(long n,long a1)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
__syscall2(long n,long a1,long a2)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
__syscall3(long n,long a1,long a2,long a3)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
__syscall4(long n,long a1,long a2,long a3,long a4)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
__syscall5(long n,long a1,long a2,long a3,long a4,long a5)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
__syscall6(long n,long a1,long a2,long a3,long a4,long a5,long a6)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"
90