diff options
Diffstat (limited to 'ldso/ldso/i386/ld_syscalls.h')
| -rw-r--r-- | ldso/ldso/i386/ld_syscalls.h | 93 |
1 files changed, 86 insertions, 7 deletions
diff --git a/ldso/ldso/i386/ld_syscalls.h b/ldso/ldso/i386/ld_syscalls.h index 30544290f..b06c3238d 100644 --- a/ldso/ldso/i386/ld_syscalls.h +++ b/ldso/ldso/i386/ld_syscalls.h @@ -1,4 +1,23 @@ -#include <asm/unistd.h> +#include <sys/types.h> + +/* + * This file contains the system call macros and syscall + * numbers used by the shared library loader. + */ + +#define __NR_exit 1 +#define __NR_read 3 +#define __NR_write 4 +#define __NR_open 5 +#define __NR_close 6 +#define __NR_getuid 24 +#define __NR_geteuid 49 +#define __NR_getgid 47 +#define __NR_getegid 50 +#define __NR_mmap 90 +#define __NR_munmap 91 +#define __NR_stat 106 +#define __NR_mprotect 125 /* Here are the macros which define how this platform makes * system calls. This particular variant does _not_ set @@ -6,7 +25,6 @@ * these will get called before the errno symbol is dynamicly * linked. */ -#undef __syscall_return #define __syscall_return(type, res) \ do { \ if ((unsigned long)(res) >= (unsigned long)(-125)) { \ @@ -16,6 +34,15 @@ do { \ return (type) (res); \ } while (0) +#define _syscall0(type,name) \ +type name(void) \ +{ \ +long __res; \ +__asm__ volatile ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name)); \ +__syscall_return(type,__res); \ +} #if defined(__PIC__) @@ -23,7 +50,6 @@ do { \ * PIC uses %ebx, so we need to save it during system calls */ -#undef _syscall1 #define _syscall1(type,name,type1,arg1) \ type name(type1 arg1) \ { \ @@ -34,7 +60,6 @@ __asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ __syscall_return(type,__res); \ } -#undef _syscall2 #define _syscall2(type,name,type1,arg1,type2,arg2) \ type name(type1 arg1,type2 arg2) \ { \ @@ -45,7 +70,6 @@ __asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ __syscall_return(type,__res); \ } -#undef _syscall3 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ type name(type1 arg1,type2 arg2,type3 arg3) \ { \ @@ -57,7 +81,6 @@ __asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ __syscall_return(type,__res); \ } -#undef _syscall4 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ { \ @@ -69,7 +92,6 @@ __asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ __syscall_return(type,__res); \ } -#undef _syscall5 #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) \ @@ -82,6 +104,63 @@ __asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ __syscall_return(type,__res); \ } +#else /* not doing __PIC__ */ + +#define _syscall1(type,name,type1,arg1) \ +type name(type1 arg1) \ +{ \ +long __res; \ +__asm__ volatile ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name),"b" ((long)(arg1))); \ +__syscall_return(type,__res); \ +} + +#define _syscall2(type,name,type1,arg1,type2,arg2) \ +type name(type1 arg1,type2 arg2) \ +{ \ +long __res; \ +__asm__ volatile ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2))); \ +__syscall_return(type,__res); \ +} + +#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ +type name(type1 arg1,type2 arg2,type3 arg3) \ +{ \ +long __res; \ +__asm__ volatile ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ + "d" ((long)(arg3))); \ +__syscall_return(type,__res); \ +} + +#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 ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ + "d" ((long)(arg3)),"S" ((long)(arg4))); \ +__syscall_return(type,__res); \ +} + +#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 ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ + "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \ +__syscall_return(type,__res); \ +} + + #endif /* __PIC__ */ |