diff --git a/arch/i386/syscall_arch.h b/arch/i386/syscall_arch.h index dc9ad147c1485d45b8e7971f8fa04a337c24f392..2d64b0b0eafb9bcbea9e57d8635604b67cd02cb2 100644 --- a/arch/i386/syscall_arch.h +++ b/arch/i386/syscall_arch.h @@ -8,111 +8,52 @@ static inline long __syscall0(long n) { unsigned long __ret; - __asm__ __volatile__ ("int $128" : "=a"(__ret) : "a"(n) : "memory"); + __asm__ __volatile__ ("call __vsyscall" : "=a"(__ret) : "a"(n) : "memory"); return __ret; } -#ifndef __PIC__ - static inline long __syscall1(long n, long a1) { unsigned long __ret; - __asm__ __volatile__ ("int $128" : "=a"(__ret) : "a"(n), "b"(a1) : "memory"); + __asm__ __volatile__ ("call __vsyscall" : "=a"(__ret) : "a"(n), "d"(a1) : "memory"); return __ret; } static inline long __syscall2(long n, long a1, long a2) { unsigned long __ret; - __asm__ __volatile__ ("int $128" : "=a"(__ret) : "a"(n), "b"(a1), "c"(a2) : "memory"); + __asm__ __volatile__ ("call __vsyscall" : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2) : "memory"); return __ret; } static inline long __syscall3(long n, long a1, long a2, long a3) { unsigned long __ret; - __asm__ __volatile__ ("int $128" : "=a"(__ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3) : "memory"); + __asm__ __volatile__ ("call __vsyscall" : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2), "D"(a3) : "memory"); return __ret; } static inline long __syscall4(long n, long a1, long a2, long a3, long a4) { unsigned long __ret; - __asm__ __volatile__ ("int $128" : "=a"(__ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4) : "memory"); + __asm__ __volatile__ ("call __vsyscall" : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2), "D"(a3), "S"(a4) : "memory"); return __ret; } static inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5) { unsigned long __ret; - __asm__ __volatile__ ("int $128" : "=a"(__ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5) : "memory"); + __asm__ __volatile__ ("push %6 ; call __vsyscall ; add $4,%%esp" : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2), "D"(a3), "S"(a4), "g"(a5) : "memory"); return __ret; } static inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6) { unsigned long __ret; - __asm__ __volatile__ ("pushl %7 ; pushl %%ebp ; mov 4(%%esp),%%ebp ; int $128 ; popl %%ebp ; popl %%ecx" - : "=a"(__ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5), "g"(a6) : "memory"); - return __ret; -} - -#else - -static inline long __syscall1(long n, long a1) -{ - unsigned long __ret; - __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" - : "=a"(__ret) : "a"(n), "d"(a1) : "memory"); - return __ret; -} - -static inline long __syscall2(long n, long a1, long a2) -{ - unsigned long __ret; - __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" - : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2) : "memory"); - return __ret; -} - -static inline long __syscall3(long n, long a1, long a2, long a3) -{ - unsigned long __ret; - __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" - : "=a"(__ret) : "a"(n), "S"(a1), "c"(a2), "d"(a3) : "memory"); + __asm__ __volatile__ ("push %6 ; call __vsyscall6 ; add $4,%%esp" : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2), "D"(a3), "S"(a4), "g"((long[]){a5, a6}) : "memory"); return __ret; } -static inline long __syscall4(long n, long a1, long a2, long a3, long a4) -{ - unsigned long __ret; - __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" - : "=a"(__ret) : "a"(n), "D"(a1), "c"(a2), "d"(a3), "S"(a4) : "memory"); - return __ret; -} - -#if 0 -static inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5) -{ - unsigned long __ret; - __asm__ __volatile__ ("pushl %2 ; pushl %%ebx ; mov 4(%%esp),%%ebx ; int $128 ; popl %%ebx ; popl %%ecx" - : "=a"(__ret) : "a"(n), "g"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5) : "memory"); - return __ret; -} -#else -static inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5) -{ - return (__syscall)(n, a1, a2, a3, a4, a5); -} -#endif - -static inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6) -{ - return (__syscall)(n, a1, a2, a3, a4, a5, a6); -} - -#endif - #define __SC_socket 1 #define __SC_bind 2 diff --git a/src/env/__libc_start_main.c b/src/env/__libc_start_main.c index e350fdb83364daf76dbc88096b5215042ba2b46c..ee10b0ded6753686c08c2ff72a4fe1b1cd714435 100644 --- a/src/env/__libc_start_main.c +++ b/src/env/__libc_start_main.c @@ -6,6 +6,8 @@ void __init_security(size_t *); #define AUX_CNT 38 +extern size_t __hwcap, __sysinfo; + void __init_libc(char **envp) { size_t i, *auxv, aux[AUX_CNT] = { 0 }; @@ -14,6 +16,7 @@ void __init_libc(char **envp) libc.auxv = auxv = (void *)(envp+i+1); for (i=0; auxv[i]; i+=2) if (auxv[i]