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/*
* This file contains the system call macros and syscall
* numbers used by the shared library loader. Taken from
* Linux/MIPS 2.4.17 version kernel.
*/
#define __NR_SYSCALL_BASE 4000
#define __NR_exit (__NR_SYSCALL_BASE + 1)
#define __NR_read (__NR_SYSCALL_BASE + 3)
#define __NR_write (__NR_SYSCALL_BASE + 4)
#define __NR_open (__NR_SYSCALL_BASE + 5)
#define __NR_close (__NR_SYSCALL_BASE + 6)
#define __NR_getuid (__NR_SYSCALL_BASE + 24)
#define __NR_getgid (__NR_SYSCALL_BASE + 47)
#define __NR_geteuid (__NR_SYSCALL_BASE + 49)
#define __NR_getegid (__NR_SYSCALL_BASE + 50)
#define __NR_readlink (__NR_SYSCALL_BASE + 85)
#define __NR_mmap (__NR_SYSCALL_BASE + 90)
#define __NR_munmap (__NR_SYSCALL_BASE + 91)
#define __NR_stat (__NR_SYSCALL_BASE + 106)
#define __NR_mprotect (__NR_SYSCALL_BASE + 125)
/* Here are the macros which define how this platform makes
* system calls. This particular variant does _not_ set
* errno (note how it is disabled in __syscall_return) since
* these will get called before the errno symbol is dynamicly
* linked. */
#define _syscall0(type,name) \
type name(void) \
{ \
register unsigned long __v0 asm("$2") = __NR_##name; \
register unsigned long __a3 asm("$7"); \
\
__asm__ volatile ( \
".set\tnoreorder\n\t" \
"li\t$2, %2\t\t\t# " #name "\n\t" \
"syscall\n\t" \
".set\treorder" \
: "=&r" (__v0), "=r" (__a3) \
: "i" (__NR_##name) \
: "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24"); \
\
if (__a3 == 0) \
return (type) __v0; \
return -1; \
}
#define _syscall1(type,name,atype,a) \
type name(atype a) \
{ \
register unsigned long __v0 asm("$2") = __NR_##name; \
register unsigned long __a0 asm("$4") = (unsigned long) a; \
register unsigned long __a3 asm("$7"); \
\
__asm__ volatile ( \
".set\tnoreorder\n\t" \
"li\t$2, %3\t\t\t# " #name "\n\t" \
"syscall\n\t" \
".set\treorder" \
: "=&r" (__v0), "=r" (__a3) \
: "r" (__a0), "i" (__NR_##name) \
: "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24"); \
\
if (__a3 == 0) \
return (type) __v0; \
return (type) -1; \
}
#define _syscall2(type,name,atype,a,btype,b) \
type name(atype a, btype b) \
{ \
register unsigned long __v0 asm("$2") = __NR_##name; \
register unsigned long __a0 asm("$4") = (unsigned long) a; \
register unsigned long __a1 asm("$5") = (unsigned long) b; \
register unsigned long __a3 asm("$7"); \
\
__asm__ volatile ( \
".set\tnoreorder\n\t" \
"li\t$2, %4\t\t\t# " #name "\n\t" \
"syscall\n\t" \
".set\treorder" \
: "=&r" (__v0), "=r" (__a3) \
: "r" (__a0), "r" (__a1), "i" (__NR_##name) \
: "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24"); \
\
if (__a3 == 0) \
return (type) __v0; \
return (type) -1; \
}
#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
type name(atype a, btype b, ctype c) \
{ \
register unsigned long __v0 asm("$2") = __NR_##name; \
register unsigned long __a0 asm("$4") = (unsigned long) a; \
register unsigned long __a1 asm("$5") = (unsigned long) b; \
register unsigned long __a2 asm("$6") = (unsigned long) c; \
register unsigned long __a3 asm("$7"); \
\
__asm__ volatile ( \
".set\tnoreorder\n\t" \
"li\t$2, %5\t\t\t# " #name "\n\t" \
"syscall\n\t" \
".set\treorder" \
: "=&r" (__v0), "=r" (__a3) \
: "r" (__a0), "r" (__a1), "r" (__a2), "i" (__NR_##name) \
: "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24"); \
\
if (__a3 == 0) \
return (type) __v0; \
return (type) -1; \
}
#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
type name(atype a, btype b, ctype c, dtype d) \
{ \
register unsigned long __v0 asm("$2") = __NR_##name; \
register unsigned long __a0 asm("$4") = (unsigned long) a; \
register unsigned long __a1 asm("$5") = (unsigned long) b; \
register unsigned long __a2 asm("$6") = (unsigned long) c; \
register unsigned long __a3 asm("$7") = (unsigned long) d; \
\
__asm__ volatile ( \
".set\tnoreorder\n\t" \
"li\t$2, %5\t\t\t# " #name "\n\t" \
"syscall\n\t" \
".set\treorder" \
: "=&r" (__v0), "+r" (__a3) \
: "r" (__a0), "r" (__a1), "r" (__a2), "i" (__NR_##name) \
: "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24"); \
\
if (__a3 == 0) \
return (type) __v0; \
return (type) -1; \
}
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