--- ./include/asm-i386/unistd.h.orig 2005-07-30 11:30:46.000000000 +0200 +++ ./include/asm-i386/unistd.h.orig 2005-07-30 11:33:50.000000000 +0200 @@ -321,6 +321,21 @@ __syscall_return(type,__res); \ } +#ifdef __PIC__ +#define _syscall1(type,name,type1,arg1) \ +type name(type1 arg1) \ +{ \ +long __res; \ +__asm__ volatile (\ + "pushl %%ebx\n\t" \ + "movl %2,%%ebx\n\t" \ + "int $0x80\n\t" \ + "popl %%ebx\n\t" \ + : "=a" (__res) \ + : "0" (__NR_##name),"r" ((long)(arg1))); \ +__syscall_return(type,__res); \ +} +#else #define _syscall1(type,name,type1,arg1) \ type name(type1 arg1) \ { \ @@ -330,7 +345,23 @@ : "0" (__NR_##name),"b" ((long)(arg1))); \ __syscall_return(type,__res); \ } +#endif +#ifdef __PIC__ +#define _syscall2(type,name,type1,arg1,type2,arg2) \ +type name(type1 arg1,type2 arg2) \ +{ \ +long __res; \ +__asm__ volatile (\ + "pushl %%ebx\n\t" \ + "movl %2,%%ebx\n\t" \ + "int $0x80\n\t" \ + "popl %%ebx\n\t" \ + : "=a" (__res) \ + : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2))); \ +__syscall_return(type,__res); \ +} +#else #define _syscall2(type,name,type1,arg1,type2,arg2) \ type name(type1 arg1,type2 arg2) \ { \ @@ -340,7 +371,24 @@ : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2))); \ __syscall_return(type,__res); \ } +#endif +#ifdef __PIC__ +#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ +type name(type1 arg1,type2 arg2,type3 arg3) \ +{ \ +long __res; \ +__asm__ volatile (\ + "pushl %%ebx\n\t" \ + "movl %2,%%ebx\n\t" \ + "int $0x80\n\t" \ + "popl %%ebx\n\t" \ + : "=a" (__res) \ + : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \ + "d" ((long)(arg3))); \ +__syscall_return(type,__res); \ +} +#else #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ type name(type1 arg1,type2 arg2,type3 arg3) \ { \ @@ -351,7 +399,24 @@ "d" ((long)(arg3))); \ __syscall_return(type,__res); \ } +#endif +#ifdef __PIC__ +#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ +type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ +{ \ +long __res; \ +__asm__ volatile (\ + "pushl %%ebx\n\t" \ + "movl %2,%%ebx\n\t" \ + "int $0x80\n\t" \ + "popl %%ebx\n\t" \ + : "=a" (__res) \ + : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \ + "d" ((long)(arg3)),"S" ((long)(arg4))); \ +__syscall_return(type,__res); \ +} +#else #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ { \ @@ -362,7 +427,25 @@ "d" ((long)(arg3)),"S" ((long)(arg4))); \ __syscall_return(type,__res); \ } +#endif +#ifdef __PIC__ +#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5) \ +type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ +{ \ +long __res; \ +__asm__ volatile (\ + "pushl %%ebx\n\t" \ + "movl %2,%%ebx\n\t" \ + "int $0x80\n\t" \ + "popl %%ebx\n\t" \ + : "=a" (__res) \ + : "0" (__NR_##name),"m" ((long)(arg1)),"c" ((long)(arg2)), \ + "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \ +__syscall_return(type,__res); \ +} +#else #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ type5,arg5) \ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ @@ -374,7 +457,35 @@ "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \ __syscall_return(type,__res); \ } +#endif +/* Note; since %2 is memory, it's likely to be offset from %%ebp, + * so the read of %2 must occur before %%ebp is used to save %%eax. + * Moving %1 to %%eax is safe since %1 is immediate, and won't be + * an offset from %%ebx. + */ +#ifdef __PIC__ +#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5,type6,arg6) \ +type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ +{ \ +long __res; \ +__asm__ volatile (\ + "pushl %%ebp\n\t" \ + "pushl %%ebx\n\t" \ + "movl %2,%%ebx\n\t" \ + "movl %%eax,%%ebp\n\t" \ + "movl %1,%%eax\n\t" \ + "int $0x80\n\t" \ + "popl %%ebx\n\t" \ + "popl %%ebp\n\t" \ + : "=a" (__res) \ + : "i" (__NR_##name),"m" ((long)(arg1)),"c" ((long)(arg2)), \ + "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5)), \ + "0" ((long)(arg6))); \ +__syscall_return(type,__res); \ +} +#else #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ type5,arg5,type6,arg6) \ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ @@ -387,6 +498,7 @@ "0" ((long)(arg6))); \ __syscall_return(type,__res); \ } +#endif #ifdef __KERNEL__ #define __ARCH_WANT_IPC_PARSE_VERSION