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--- linux-libc-headers-2.6.12.0/include/asm-arm/unistd.h 2005-07-06 03:17:41.000000000 +0300
+++ linux-libc-headers-2.6.12.0-arm-eabi/include/asm-arm/unistd.h 2006-06-05 17:14:09.000000000 +0300
@@ -15,10 +15,12 @@
#include <linux/linkage.h>
-#if defined(__thumb__)
+#define __NR_OABI_SYSCALL_BASE 0x900000
+
+#if defined(__thumb__) || defined(__ARM_EABI__)
#define __NR_SYSCALL_BASE 0
#else
-#define __NR_SYSCALL_BASE 0x900000
+#define __NR_SYSCALL_BASE __NR_OABI_SYSCALL_BASE
#endif
/*
@@ -365,13 +375,13 @@
#define __sys1(x) __sys2(x)
#ifndef __syscall
-#if defined(__thumb__)
-#define __syscall(name) \
- "push {r7}\n\t" \
- "mov r7, #" __sys1(__NR_##name) "\n\t" \
- "swi 0\n\t" \
- "pop {r7}"
+#if defined(__thumb__) || defined(__ARM_EABI__)
+#define __SYS_REG(name) register long __sysreg __asm__("r7") = __NR_##name;
+#define __SYS_REG_LIST(regs...) "r" (__sysreg) , ##regs
+#define __syscall(name) "swi\t0"
#else
+#define __SYS_REG(name)
+#define __SYS_REG_LIST(regs...) regs
#define __syscall(name) "swi\t" __sys1(__NR_##name) ""
#endif
#endif
@@ -387,33 +397,34 @@
#define _syscall0(type,name) \
type name(void) { \
+ __SYS_REG(name) \
register long __res_r0 __asm__("r0"); \
long __res; \
__asm__ __volatile__ ( \
__syscall(name) \
: "=r" (__res_r0) \
- : \
- : "lr"); \
+ : __SYS_REG_LIST() ); \
__res = __res_r0; \
__syscall_return(type,__res); \
}
#define _syscall1(type,name,type1,arg1) \
type name(type1 arg1) { \
+ __SYS_REG(name) \
register long __r0 __asm__("r0") = (long)arg1; \
register long __res_r0 __asm__("r0"); \
long __res; \
__asm__ __volatile__ ( \
__syscall(name) \
: "=r" (__res_r0) \
- : "r" (__r0) \
- : "lr"); \
+ : __SYS_REG_LIST( "0" (__r0) ) ); \
__res = __res_r0; \
__syscall_return(type,__res); \
}
#define _syscall2(type,name,type1,arg1,type2,arg2) \
type name(type1 arg1,type2 arg2) { \
+ __SYS_REG(name) \
register long __r0 __asm__("r0") = (long)arg1; \
register long __r1 __asm__("r1") = (long)arg2; \
register long __res_r0 __asm__("r0"); \
@@ -421,8 +432,7 @@
__asm__ __volatile__ ( \
__syscall(name) \
: "=r" (__res_r0) \
- : "r" (__r0),"r" (__r1) \
- : "lr"); \
+ : __SYS_REG_LIST( "0" (__r0), "r" (__r1) ) ); \
__res = __res_r0; \
__syscall_return(type,__res); \
}
@@ -430,6 +440,7 @@
#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
type name(type1 arg1,type2 arg2,type3 arg3) { \
+ __SYS_REG(name) \
register long __r0 __asm__("r0") = (long)arg1; \
register long __r1 __asm__("r1") = (long)arg2; \
register long __r2 __asm__("r2") = (long)arg3; \
@@ -438,8 +449,7 @@
__asm__ __volatile__ ( \
__syscall(name) \
: "=r" (__res_r0) \
- : "r" (__r0),"r" (__r1),"r" (__r2) \
- : "lr"); \
+ : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2) ) ); \
__res = __res_r0; \
__syscall_return(type,__res); \
}
@@ -447,6 +457,7 @@
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)\
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
+ __SYS_REG(name) \
register long __r0 __asm__("r0") = (long)arg1; \
register long __r1 __asm__("r1") = (long)arg2; \
register long __r2 __asm__("r2") = (long)arg3; \
@@ -456,8 +467,7 @@
__asm__ __volatile__ ( \
__syscall(name) \
: "=r" (__res_r0) \
- : "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3) \
- : "lr"); \
+ : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) ) ); \
__res = __res_r0; \
__syscall_return(type,__res); \
}
@@ -465,6 +475,7 @@
#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) { \
+ __SYS_REG(name) \
register long __r0 __asm__("r0") = (long)arg1; \
register long __r1 __asm__("r1") = (long)arg2; \
register long __r2 __asm__("r2") = (long)arg3; \
@@ -475,14 +486,15 @@
__asm__ __volatile__ ( \
__syscall(name) \
: "=r" (__res_r0) \
- : "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3),"r" (__r4) \
- : "lr"); \
+ : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), \
+ "r" (__r3), "r" (__r4) ) ); \
__res = __res_r0; \
__syscall_return(type,__res); \
}
#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) { \
+ __SYS_REG(name) \
register long __r0 __asm__("r0") = (long)arg1; \
register long __r1 __asm__("r1") = (long)arg2; \
register long __r2 __asm__("r2") = (long)arg3; \
@@ -494,14 +506,15 @@
__asm__ __volatile__ ( \
__syscall(name) \
: "=r" (__res_r0) \
- : "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3), "r" (__r4),"r" (__r5) \
- : "lr"); \
+ : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), \
+ "r" (__r3), "r" (__r4), "r" (__r5) ) ); \
__res = __res_r0; \
__syscall_return(type,__res); \
}
#ifdef __KERNEL_SYSCALLS__
+#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/syscalls.h>
|
