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authorEric Andersen <andersen@codepoet.org>2006-11-04 19:49:18 +0000
committerEric Andersen <andersen@codepoet.org>2006-11-04 19:49:18 +0000
commit141da0f0b098b17499c6c6e02a7d2cacc1d6d3ba (patch)
tree72299d8702f04a233b5c9f396e46764ca74d03a5 /libc/sysdeps/linux/mips
parent1602ab8443b338dddd4b267ff76d3c6c5f15ea71 (diff)
mips64 patch from Atsushi Nemoto:
The mips64 N32/N64 ABI can pass much arguments via registers.
Diffstat (limited to 'libc/sysdeps/linux/mips')
-rw-r--r--libc/sysdeps/linux/mips/bits/syscalls.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/mips/bits/syscalls.h b/libc/sysdeps/linux/mips/bits/syscalls.h
index 1987bbfb2..661e6d1ce 100644
--- a/libc/sysdeps/linux/mips/bits/syscalls.h
+++ b/libc/sysdeps/linux/mips/bits/syscalls.h
@@ -8,6 +8,7 @@
* header files. It also defines the traditional `SYS_<name>' macros for older
* programs. */
#include <bits/sysnum.h>
+#include <sgidefs.h>
#ifndef __ASSEMBLER__
@@ -152,6 +153,7 @@ type name (atype a, btype b, ctype c, dtype d) \
return (type)-1; \
}
+#if _MIPS_SIM == _MIPS_SIM_ABI32
#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) \
{ \
@@ -262,6 +264,100 @@ type name (atype a,btype b,ctype c,dtype d,etype e,ftype f,gtype g) \
__set_errno(sys_result); \
return (type)-1; \
}
+#else /* N32 || N64 */
+#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 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; \
+ register unsigned long __a4 asm("$8") = (unsigned long) e; \
+ __asm__ volatile ( \
+ ".set noreorder\n\t" \
+ "li $2, %6\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : "r" (__a0), "r" (__a1), "r" (__a2), "r" (__a4), "i" (SYS_ify(name)) \
+ : "$1", "$3", "$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 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; \
+ register unsigned long __a4 asm("$8") = (unsigned long) e; \
+ register unsigned long __a5 asm("$9") = (unsigned long) f; \
+ __asm__ volatile ( \
+ ".set noreorder\n\t" \
+ "li $2, %7\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : "r" (__a0), "r" (__a1), "r" (__a2), "r" (__a4), "r" (__a5), "i" (SYS_ify(name)) \
+ : "$1", "$3", "$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 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; \
+ register unsigned long __a4 asm("$8") = (unsigned long) e; \
+ register unsigned long __a5 asm("$9") = (unsigned long) f; \
+ register unsigned long __a6 asm("$10") = (unsigned long) g; \
+ __asm__ volatile ( \
+ ".set noreorder\n\t" \
+ "li $2, %8\t\t\t# " #name "\n\t" \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : "r" (__a0), "r" (__a1), "r" (__a2), "r" (__a4), "r" (__a5), "r" (__a6), "i" (SYS_ify(name)) \
+ : "$1", "$3", "$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 /* N32 || N64 */
#endif /* __ASSEMBLER__ */
#endif /* _BITS_SYSCALLS_H */