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@@ -18,219 +18,257 @@
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#ifndef __ASSEMBLER__
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-/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
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#define _syscall0(type,name) \
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type name(void) \
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-{ \
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-long __res, __err; \
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-__asm__ volatile ("li\t$2,%2\n\t" \
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- "syscall\n\t" \
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- "move\t%0, $2\n\t" \
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- "move\t%1, $7" \
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- : "=r" (__res), "=r" (__err) \
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- : "i" (__NR_##name) \
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- : "$2","$7","$8","$9","$10","$11","$12","$13","$14","$15", \
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- "$24","memory"); \
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-if (__err == 0) \
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- return (type) __res; \
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-__set_errno(__res); \
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-return (type)-1; \
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+{ \
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+ long err; \
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+ long sys_result; \
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+ { \
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+ register unsigned long __v0 asm("$2"); \
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+ register unsigned long __a3 asm("$7"); \
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+ __asm__ volatile ( \
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+ ".set noreorder\n\t" \
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+ "li $2, %2 # " #name "\n\t" \
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+ "syscall\n\t" \
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+ ".set reorder" \
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+ : "=r" (__v0), "=r" (__a3) \
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+ : "i" (SYS_ify(name)) \
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+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
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+ "$14", "$15", "$24", "$25", "memory"); \
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+ err = __a3; \
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+ sys_result = __v0; \
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+ } \
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+ if (err == 0) \
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+ return (type) sys_result; \
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+ __set_errno(sys_result); \
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+ return (type)-1; \
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}
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-/*
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- * DANGER: This macro isn't usable for the pipe(2) call
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- * which has a unusual return convention.
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- */
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#define _syscall1(type,name,atype,a) \
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type name(atype a) \
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-{ \
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-long __res, __err; \
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-__asm__ volatile ("move\t$4,%3\n\t" \
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- "li\t$2,%2\n\t" \
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- "syscall\n\t" \
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- "move\t%0, $2\n\t" \
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- "move\t%1, $7" \
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- : "=r" (__res), "=r" (__err) \
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- : "i" (__NR_##name),"r" ((unsigned long)(a)) \
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- : "$2","$4","$7","$8","$9","$10","$11","$12","$13","$14","$15","$24","memory"); \
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-if (__err == 0) \
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- return (type) __res; \
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-__set_errno(__res); \
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-return (type)-1; \
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+{ \
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+ long err; \
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+ long sys_result; \
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+ { \
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+ register unsigned long __v0 asm("$2"); \
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+ register unsigned long __a0 asm("$4") = (unsigned long) a; \
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+ register unsigned long __a3 asm("$7"); \
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+ __asm__ volatile ( \
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+ ".set noreorder\n\t" \
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+ "li $2, %3\t\t\t# " #name "\n\t" \
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+ "syscall\n\t" \
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+ ".set reorder" \
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+ : "=r" (__v0), "=r" (__a3) \
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+ : "r" (__a0), "i" (SYS_ify(name)) \
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+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
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+ "$14", "$15", "$24", "$25", "memory"); \
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+ err = __a3; \
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+ sys_result = __v0; \
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+ } \
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+ if (err == 0) \
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+ return (type) sys_result; \
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+ __set_errno(sys_result); \
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+ return (type)-1; \
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}
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#define _syscall2(type,name,atype,a,btype,b) \
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type name(atype a,btype b) \
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-{ \
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-long __res, __err; \
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-__asm__ volatile ("move\t$4,%3\n\t" \
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- "move\t$5,%4\n\t" \
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- "li\t$2,%2\n\t" \
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- "syscall\n\t" \
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- "move\t%0, $2\n\t" \
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- "move\t%1, $7" \
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- : "=r" (__res), "=r" (__err) \
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- : "i" (__NR_##name),"r" ((unsigned long)(a)), \
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- "r" ((unsigned long)(b)) \
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- : "$2","$4","$5","$7","$8","$9","$10","$11","$12","$13", \
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- "$14","$15", "$24","memory"); \
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-if (__err == 0) \
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- return (type) __res; \
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-__set_errno(__res); \
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-return (type)-1; \
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+{ \
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+ long err; \
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+ long sys_result; \
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+ { \
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+ register unsigned long __v0 asm("$2"); \
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+ register unsigned long __a0 asm("$4") = (unsigned long) a; \
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+ register unsigned long __a1 asm("$5") = (unsigned long) b; \
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+ register unsigned long __a3 asm("$7"); \
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+ __asm__ volatile ( \
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+ ".set noreorder\n\t" \
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+ "li $2, %4\t\t\t# " #name "\n\t" \
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+ "syscall\n\t" \
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+ ".set reorder" \
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+ : "=r" (__v0), "=r" (__a3) \
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+ : "r" (__a0), "r" (__a1), "i" (SYS_ify(name)) \
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+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
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+ "$14", "$15", "$24", "$25", "memory"); \
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+ err = __a3; \
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+ sys_result = __v0; \
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+ } \
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+ if (err == 0) \
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+ return (type) sys_result; \
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+ __set_errno(sys_result); \
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+ return (type)-1; \
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}
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#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
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type name (atype a, btype b, ctype c) \
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-{ \
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-long __res, __err; \
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-__asm__ volatile ("move\t$4,%3\n\t" \
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- "move\t$5,%4\n\t" \
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- "move\t$6,%5\n\t" \
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- "li\t$2,%2\n\t" \
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- "syscall\n\t" \
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- "move\t%0, $2\n\t" \
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- "move\t%1, $7" \
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- : "=r" (__res), "=r" (__err) \
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- : "i" (__NR_##name),"r" ((unsigned long)(a)), \
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- "r" ((unsigned long)(b)), \
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- "r" ((unsigned long)(c)) \
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- : "$2","$4","$5","$6","$7","$8","$9","$10","$11","$12", \
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- "$13","$14","$15","$24","memory"); \
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-if (__err == 0) \
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- return (type) __res; \
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-__set_errno(__res); \
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-return (type)-1; \
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+{ \
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+ long err; \
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+ long sys_result; \
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+ { \
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+ register unsigned long __v0 asm("$2"); \
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+ register unsigned long __a0 asm("$4") = (unsigned long) a; \
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+ register unsigned long __a1 asm("$5") = (unsigned long) b; \
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+ register unsigned long __a2 asm("$6") = (unsigned long) c; \
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+ register unsigned long __a3 asm("$7"); \
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+ __asm__ volatile ( \
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+ ".set noreorder\n\t" \
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+ "li $2, %5\t\t\t# " #name "\n\t" \
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+ "syscall\n\t" \
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+ ".set reorder" \
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+ : "=r" (__v0), "=r" (__a3) \
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+ : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) \
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+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
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+ "$14", "$15", "$24", "$25", "memory"); \
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+ err = __a3; \
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+ sys_result = __v0; \
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+ } \
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+ if (err == 0) \
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+ return (type) sys_result; \
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+ __set_errno(sys_result); \
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+ return (type)-1; \
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}
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#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
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type name (atype a, btype b, ctype c, dtype d) \
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-{ \
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-long __res, __err; \
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-__asm__ volatile ("move\t$4,%3\n\t" \
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- "move\t$5,%4\n\t" \
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- "move\t$6,%5\n\t" \
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- "move\t$7,%6\n\t" \
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- "li\t$2,%2\n\t" \
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- "syscall\n\t" \
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- "move\t%0, $2\n\t" \
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- "move\t%1, $7" \
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- : "=r" (__res), "=r" (__err) \
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- : "i" (__NR_##name),"r" ((unsigned long)(a)), \
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- "r" ((unsigned long)(b)), \
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- "r" ((unsigned long)(c)), \
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- "r" ((unsigned long)(d)) \
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- : "$2","$4","$5","$6","$7","$8","$9","$10","$11","$12", \
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- "$13","$14","$15","$24","memory"); \
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-if (__err == 0) \
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- return (type) __res; \
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-__set_errno(__res); \
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-return (type)-1; \
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+{ \
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+ long err; \
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+ long sys_result; \
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+ { \
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+ register unsigned long __v0 asm("$2"); \
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+ register unsigned long __a0 asm("$4") = (unsigned long) a; \
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+ register unsigned long __a1 asm("$5") = (unsigned long) b; \
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+ register unsigned long __a2 asm("$6") = (unsigned long) c; \
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+ register unsigned long __a3 asm("$7") = (unsigned long) d; \
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+ __asm__ volatile ( \
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+ ".set noreorder\n\t" \
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+ "li $2, %5\t\t\t# " #name "\n\t" \
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+ "syscall\n\t" \
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+ ".set reorder" \
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+ : "=r" (__v0), "+r" (__a3) \
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+ : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) \
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+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
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+ "$14", "$15", "$24", "$25", "memory"); \
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+ err = __a3; \
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+ sys_result = __v0; \
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+ } \
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+ if (err == 0) \
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+ return (type) sys_result; \
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+ __set_errno(sys_result); \
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+ return (type)-1; \
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}
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#define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \
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type name (atype a,btype b,ctype c,dtype d,etype e) \
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-{ \
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-long __res, __err; \
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-const unsigned long *constE = (unsigned long *) e; \
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-__asm__ volatile ("move\t$4,%3\n\t" \
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- "move\t$5,%4\n\t" \
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- "move\t$6,%5\n\t" \
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- "lw\t$2,%7\n\t" \
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- "move\t$7,%6\n\t" \
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- "subu\t$29,24\n\t" \
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- "sw\t$2,16($29)\n\t" \
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- "li\t$2,%2\n\t" \
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- "syscall\n\t" \
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- "move\t%0, $2\n\t" \
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- "move\t%1, $7\n\t" \
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- "addiu\t$29,24" \
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- : "=r" (__res), "=r" (__err) \
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- : "i" (__NR_##name),"r" ((unsigned long)(a)), \
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- "r" ((unsigned long)(b)), \
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- "r" ((unsigned long)(c)), \
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- "r" ((unsigned long)(d)), \
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- "m" ((constE)) \
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- : "$2","$4","$5","$6","$7","$8","$9","$10","$11","$12", \
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- "$13","$14","$15","$24","memory"); \
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-if (__err == 0) \
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- return (type) __res; \
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-__set_errno(__res); \
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-return (type)-1; \
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+{ \
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+ long err; \
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+ long sys_result; \
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+ const unsigned long *constE = (void*)(unsigned long) e; \
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+ { \
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+ register unsigned long __v0 asm("$2"); \
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+ register unsigned long __a0 asm("$4") = (unsigned long) a; \
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+ register unsigned long __a1 asm("$5") = (unsigned long) b; \
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+ register unsigned long __a2 asm("$6") = (unsigned long) c; \
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+ register unsigned long __a3 asm("$7") = (unsigned long) d; \
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+ __asm__ volatile ( \
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+ ".set noreorder\n\t" \
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+ "lw $2, %6\n\t" \
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+ "subu $29, 32\n\t" \
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+ "sw $2, 16($29)\n\t" \
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+ "li $2, %5\t\t\t# " #name "\n\t" \
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+ "syscall\n\t" \
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+ "addiu $29, 32\n\t" \
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+ ".set reorder" \
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+ : "=r" (__v0), "+r" (__a3) \
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+ : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
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+ "m" (constE) \
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+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
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+ "$14", "$15", "$24", "$25", "memory"); \
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+ err = __a3; \
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+ sys_result = __v0; \
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+ } \
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+ if (err == 0) \
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+ return (type) sys_result; \
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+ __set_errno(sys_result); \
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+ return (type)-1; \
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}
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#define _syscall6(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e,ftype,f) \
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type name (atype a,btype b,ctype c,dtype d,etype e,ftype f) \
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-{ \
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-long __res, __err; \
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-const unsigned long *constE = (unsigned long *) e; \
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-const unsigned long *constF = (unsigned long *) f; \
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-__asm__ volatile ("move\t$4,%3\n\t" \
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- "move\t$5,%4\n\t" \
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- "move\t$6,%5\n\t" \
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- "lw\t$2,%7\n\t" \
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- "lw\t$3,%8\n\t" \
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- "move\t$7,%6\n\t" \
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- "subu\t$29,24\n\t" \
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- "sw\t$2,16($29)\n\t" \
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- "sw\t$3,20($29)\n\t" \
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- "li\t$2,%2\n\t" \
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- "syscall\n\t" \
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- "move\t%0, $2\n\t" \
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- "move\t%1, $7\n\t" \
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- "addiu\t$29,24" \
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- : "=r" (__res), "=r" (__err) \
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- : "i" (__NR_##name),"r" ((unsigned long)(a)), \
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- "r" ((unsigned long)(b)), \
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- "r" ((unsigned long)(c)), \
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- "r" ((unsigned long)(d)), \
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- "m" ((constE)), \
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- "m" ((constF)) \
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- : "$2","$3","$4","$5","$6","$7","$8","$9","$10","$11", \
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- "$12","$13","$14","$15","$24","memory"); \
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-if (__err == 0) \
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- return (type) __res; \
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-__set_errno(__res); \
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-return (type)-1; \
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+{ \
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+ long err; \
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+ long sys_result; \
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+ const unsigned long *constE = (void*)(unsigned long) e; \
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+ const unsigned long *constF = (void*)(unsigned long) f; \
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+ { \
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+ register unsigned long __v0 asm("$2"); \
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+ register unsigned long __a0 asm("$4") = (unsigned long) a; \
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+ register unsigned long __a1 asm("$5") = (unsigned long) b; \
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+ register unsigned long __a2 asm("$6") = (unsigned long) c; \
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+ register unsigned long __a3 asm("$7") = (unsigned long) d; \
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+ __asm__ volatile ( \
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+ ".set noreorder\n\t" \
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+ "lw $2, %6\n\t" \
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+ "lw $8, %7\n\t" \
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+ "subu $29, 32\n\t" \
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+ "sw $2, 16($29)\n\t" \
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+ "sw $8, 20($29)\n\t" \
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+ "li $2, %5\t\t\t# " #name "\n\t" \
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+ "syscall\n\t" \
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+ "addiu $29, 32\n\t" \
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|
+ ".set reorder" \
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+ : "=r" (__v0), "+r" (__a3) \
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+ : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
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|
|
+ "m" (constE), "m" (constF) \
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|
|
+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
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+ "$14", "$15", "$24", "$25", "memory"); \
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|
|
+ err = __a3; \
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|
|
+ sys_result = __v0; \
|
|
|
+ } \
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|
|
+ if (err == 0) \
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|
|
+ return (type) sys_result; \
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|
|
+ __set_errno(sys_result); \
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|
|
+ return (type)-1; \
|
|
|
}
|
|
|
|
|
|
#define _syscall7(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e,ftype,f,gtype,g) \
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type name (atype a,btype b,ctype c,dtype d,etype e,ftype f,gtype g) \
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|
-{ \
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|
-long __res, __err; \
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|
|
-const unsigned long *constE = (unsigned long *) e; \
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|
|
-const unsigned long *constF = (unsigned long *) f; \
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|
|
-const unsigned long *constG = (unsigned long *) g; \
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|
|
-__asm__ volatile ("move\t$4,%3\n\t" \
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|
|
- "move\t$5,%4\n\t" \
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|
|
- "move\t$6,%5\n\t" \
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|
|
- "lw\t$2,%7\n\t" \
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|
|
- "lw\t$3,%8\n\t" \
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|
|
- "move\t$7,%6\n\t" \
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|
|
- "subu\t$29,32\n\t" \
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|
|
- "sw\t$2,16($29)\n\t" \
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|
|
- "lw\t$2,%9\n\t" \
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|
|
- "sw\t$3,20($29)\n\t" \
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|
|
- "sw\t$2,24($29)\n\t" \
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|
|
- "li\t$2,%2\n\t" \
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|
|
- "syscall\n\t" \
|
|
|
- "move\t%0, $2\n\t" \
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|
|
- "move\t%1, $7\n\t" \
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|
|
- "addiu\t$29,32" \
|
|
|
- : "=r" (__res), "=r" (__err) \
|
|
|
- : "i" (__NR_##name),"r" ((unsigned long)(a)), \
|
|
|
- "r" ((unsigned long)(b)), \
|
|
|
- "r" ((unsigned long)(c)), \
|
|
|
- "r" ((unsigned long)(d)), \
|
|
|
- "m" ((constE)), \
|
|
|
- "m" ((constF)), \
|
|
|
- "m" ((constG)) \
|
|
|
- : "$2","$3","$4","$5","$6","$7","$8","$9","$10","$11", \
|
|
|
- "$12","$13","$14","$15","$24","memory"); \
|
|
|
-if (__err == 0) \
|
|
|
- return (type) __res; \
|
|
|
-__set_errno(__res); \
|
|
|
-return (type)-1; \
|
|
|
+{ \
|
|
|
+ long err; \
|
|
|
+ long sys_result; \
|
|
|
+ const unsigned long *constE = (void*)(unsigned long) e; \
|
|
|
+ const unsigned long *constF = (void*)(unsigned long) f; \
|
|
|
+ const unsigned long *constG = (void*)(unsigned long) g; \
|
|
|
+ { \
|
|
|
+ register unsigned long __v0 asm("$2"); \
|
|
|
+ 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 noreorder\n\t" \
|
|
|
+ "lw $2, %6\n\t" \
|
|
|
+ "lw $8, %7\n\t" \
|
|
|
+ "lw $9, %8\n\t" \
|
|
|
+ "subu $29, 32\n\t" \
|
|
|
+ "sw $2, 16($29)\n\t" \
|
|
|
+ "sw $8, 20($29)\n\t" \
|
|
|
+ "sw $9, 24($29)\n\t" \
|
|
|
+ "li $2, %5\t\t\t# " #name "\n\t" \
|
|
|
+ "syscall\n\t" \
|
|
|
+ "addiu $29, 32\n\t" \
|
|
|
+ ".set reorder" \
|
|
|
+ : "=r" (__v0), "+r" (__a3) \
|
|
|
+ : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
|
|
|
+ "m" (constE), "m" (constF), "m" (constG) \
|
|
|
+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
|
|
|
+ "$14", "$15", "$24", "$25", "memory"); \
|
|
|
+ err = __a3; \
|
|
|
+ sys_result = __v0; \
|
|
|
+ } \
|
|
|
+ if (err == 0) \
|
|
|
+ return (type) sys_result; \
|
|
|
+ __set_errno(sys_result); \
|
|
|
+ return (type)-1; \
|
|
|
}
|
|
|
|
|
|
#endif /* __ASSEMBLER__ */
|
Eric Andersen