summaryrefslogtreecommitdiff
path: root/ldso/ldso/i386/dl-syscalls.h
diff options
context:
space:
mode:
Diffstat (limited to 'ldso/ldso/i386/dl-syscalls.h')
-rw-r--r--ldso/ldso/i386/dl-syscalls.h93
1 files changed, 86 insertions, 7 deletions
diff --git a/ldso/ldso/i386/dl-syscalls.h b/ldso/ldso/i386/dl-syscalls.h
index 30544290f..b06c3238d 100644
--- a/ldso/ldso/i386/dl-syscalls.h
+++ b/ldso/ldso/i386/dl-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__ */