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Diffstat (limited to 'libc/sysdeps/linux/mips/bits/syscalls.h')
-rw-r--r--libc/sysdeps/linux/mips/bits/syscalls.h404
1 files changed, 221 insertions, 183 deletions
diff --git a/libc/sysdeps/linux/mips/bits/syscalls.h b/libc/sysdeps/linux/mips/bits/syscalls.h
index fd1b94159..8645d9d75 100644
--- a/libc/sysdeps/linux/mips/bits/syscalls.h
+++ b/libc/sysdeps/linux/mips/bits/syscalls.h
@@ -18,219 +18,257 @@
#ifndef __ASSEMBLER__
-/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
#define _syscall0(type,name) \
type name(void) \
-{ \
-long __res, __err; \
-__asm__ volatile ("li\t$2,%2\n\t" \
- "syscall\n\t" \
- "move\t%0, $2\n\t" \
- "move\t%1, $7" \
- : "=r" (__res), "=r" (__err) \
- : "i" (__NR_##name) \
- : "$2","$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; \
+ { \
+ register unsigned long __v0 asm("$2"); \
+ register unsigned long __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set noreorder\n\t" \
+ "li $2, %2 # " #name "\n\t" \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : "i" (SYS_ify(name)) \
+ : "$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; \
}
-/*
- * DANGER: This macro isn't usable for the pipe(2) call
- * which has a unusual return convention.
- */
#define _syscall1(type,name,atype,a) \
type name(atype a) \
-{ \
-long __res, __err; \
-__asm__ volatile ("move\t$4,%3\n\t" \
- "li\t$2,%2\n\t" \
- "syscall\n\t" \
- "move\t%0, $2\n\t" \
- "move\t%1, $7" \
- : "=r" (__res), "=r" (__err) \
- : "i" (__NR_##name),"r" ((unsigned long)(a)) \
- : "$2","$4","$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; \
+ { \
+ register unsigned long __v0 asm("$2"); \
+ register unsigned long __a0 asm("$4") = (unsigned long) a; \
+ register unsigned long __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set noreorder\n\t" \
+ "li $2, %3\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : "r" (__a0), "i" (SYS_ify(name)) \
+ : "$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; \
}
#define _syscall2(type,name,atype,a,btype,b) \
type name(atype a,btype b) \
-{ \
-long __res, __err; \
-__asm__ volatile ("move\t$4,%3\n\t" \
- "move\t$5,%4\n\t" \
- "li\t$2,%2\n\t" \
- "syscall\n\t" \
- "move\t%0, $2\n\t" \
- "move\t%1, $7" \
- : "=r" (__res), "=r" (__err) \
- : "i" (__NR_##name),"r" ((unsigned long)(a)), \
- "r" ((unsigned long)(b)) \
- : "$2","$4","$5","$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; \
+ { \
+ 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 __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set noreorder\n\t" \
+ "li $2, %4\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : "r" (__a0), "r" (__a1), "i" (SYS_ify(name)) \
+ : "$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; \
}
#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
type name (atype a, btype b, ctype c) \
-{ \
-long __res, __err; \
-__asm__ volatile ("move\t$4,%3\n\t" \
- "move\t$5,%4\n\t" \
- "move\t$6,%5\n\t" \
- "li\t$2,%2\n\t" \
- "syscall\n\t" \
- "move\t%0, $2\n\t" \
- "move\t%1, $7" \
- : "=r" (__res), "=r" (__err) \
- : "i" (__NR_##name),"r" ((unsigned long)(a)), \
- "r" ((unsigned long)(b)), \
- "r" ((unsigned long)(c)) \
- : "$2","$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; \
+ { \
+ 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"); \
+ __asm__ volatile ( \
+ ".set noreorder\n\t" \
+ "li $2, %5\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) \
+ : "$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; \
}
#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
type name (atype a, btype b, ctype c, dtype d) \
-{ \
-long __res, __err; \
-__asm__ volatile ("move\t$4,%3\n\t" \
- "move\t$5,%4\n\t" \
- "move\t$6,%5\n\t" \
- "move\t$7,%6\n\t" \
- "li\t$2,%2\n\t" \
- "syscall\n\t" \
- "move\t%0, $2\n\t" \
- "move\t%1, $7" \
- : "=r" (__res), "=r" (__err) \
- : "i" (__NR_##name),"r" ((unsigned long)(a)), \
- "r" ((unsigned long)(b)), \
- "r" ((unsigned long)(c)), \
- "r" ((unsigned long)(d)) \
- : "$2","$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; \
+ { \
+ 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" \
+ "li $2, %5\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) \
+ : "$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; \
}
#define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \
type name (atype a,btype b,ctype c,dtype d,etype e) \
-{ \
-long __res, __err; \
-const unsigned long *constE = (unsigned long *) e; \
-__asm__ volatile ("move\t$4,%3\n\t" \
- "move\t$5,%4\n\t" \
- "move\t$6,%5\n\t" \
- "lw\t$2,%7\n\t" \
- "move\t$7,%6\n\t" \
- "subu\t$29,24\n\t" \
- "sw\t$2,16($29)\n\t" \
- "li\t$2,%2\n\t" \
- "syscall\n\t" \
- "move\t%0, $2\n\t" \
- "move\t%1, $7\n\t" \
- "addiu\t$29,24" \
- : "=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)) \
- : "$2","$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; \
+ { \
+ 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" \
+ "subu $29, 32\n\t" \
+ "sw $2, 16($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) \
+ : "$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; \
}
#define _syscall6(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e,ftype,f) \
type name (atype a,btype b,ctype c,dtype d,etype e,ftype f) \
-{ \
-long __res, __err; \
-const unsigned long *constE = (unsigned long *) e; \
-const unsigned long *constF = (unsigned long *) f; \
-__asm__ volatile ("move\t$4,%3\n\t" \
- "move\t$5,%4\n\t" \
- "move\t$6,%5\n\t" \
- "lw\t$2,%7\n\t" \
- "lw\t$3,%8\n\t" \
- "move\t$7,%6\n\t" \
- "subu\t$29,24\n\t" \
- "sw\t$2,16($29)\n\t" \
- "sw\t$3,20($29)\n\t" \
- "li\t$2,%2\n\t" \
- "syscall\n\t" \
- "move\t%0, $2\n\t" \
- "move\t%1, $7\n\t" \
- "addiu\t$29,24" \
- : "=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)) \
- : "$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; \
+ { \
+ 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" \
+ "subu $29, 32\n\t" \
+ "sw $2, 16($29)\n\t" \
+ "sw $8, 20($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) \
+ : "$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; \
}
#define _syscall7(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e,ftype,f,gtype,g) \
type name (atype a,btype b,ctype c,dtype d,etype e,ftype f,gtype g) \
-{ \
-long __res, __err; \
-const unsigned long *constE = (unsigned long *) e; \
-const unsigned long *constF = (unsigned long *) f; \
-const unsigned long *constG = (unsigned long *) g; \
-__asm__ volatile ("move\t$4,%3\n\t" \
- "move\t$5,%4\n\t" \
- "move\t$6,%5\n\t" \
- "lw\t$2,%7\n\t" \
- "lw\t$3,%8\n\t" \
- "move\t$7,%6\n\t" \
- "subu\t$29,32\n\t" \
- "sw\t$2,16($29)\n\t" \
- "lw\t$2,%9\n\t" \
- "sw\t$3,20($29)\n\t" \
- "sw\t$2,24($29)\n\t" \
- "li\t$2,%2\n\t" \
- "syscall\n\t" \
- "move\t%0, $2\n\t" \
- "move\t%1, $7\n\t" \
- "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__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 10:46:16 +0000