[PATCH] mips: new style syscalls.h
Atsushi Nemoto
anemo at mba.ocn.ne.jp
Sat Feb 10 14:26:31 UTC 2007
This patch imports INLINE_SYSCALL, etc. from glibc-2.5 ports and
implements _syscall[0-7] by using them, like arm and powerpc.
I think this patch does not change functionality, but gives better
__SYSCALL_CLOBBERS for N32/N64.
-------------- next part --------------
diff -urNp -x '*~' uClibc-20070208/libc/sysdeps/linux/mips/bits/syscalls.h uClibc/libc/sysdeps/linux/mips/bits/syscalls.h
--- uClibc-20070208/libc/sysdeps/linux/mips/bits/syscalls.h 2007-02-08 17:10:40.000000000 +0900
+++ uClibc/libc/sysdeps/linux/mips/bits/syscalls.h 2007-02-09 18:04:33.000000000 +0900
@@ -12,348 +12,665 @@
#define SYS_ify(syscall_name) (__NR_##syscall_name)
+#undef _syscall0
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+return (type) (INLINE_SYSCALL(name, 0)); \
+}
+
+#undef _syscall1
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+return (type) (INLINE_SYSCALL(name, 1, arg1)); \
+}
+
+#undef _syscall2
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+return (type) (INLINE_SYSCALL(name, 2, arg1, arg2)); \
+}
+
+#undef _syscall3
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2,type3 arg3) \
+{ \
+return (type) (INLINE_SYSCALL(name, 3, arg1, arg2, arg3)); \
+}
+
+#undef _syscall4
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+return (type) (INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4)); \
+}
+
+#undef _syscall5
+#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) \
+{ \
+return (type) (INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5)); \
+}
+
+#undef _syscall6
+#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) \
+{ \
+return (type) (INLINE_SYSCALL(name, 6, arg1, arg2, arg3, arg4, arg5, arg6)); \
+}
+
+#undef _syscall7
+#define _syscall7(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+ type5,arg5,type6,arg6,type7,arg7) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6,type7 arg7) \
+{ \
+return (type) (INLINE_SYSCALL(name, 7, arg1, arg2, arg3, arg4, arg5, arg6, arg7)); \
+}
+
+/*
+ * Import from:
+ * glibc-ports/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
+ * glibc-ports/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
+ * glibc-ports/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
+ */
+
+/* Define a macro which expands into the inline wrapper code for a system
+ call. */
+#undef INLINE_SYSCALL
+#define INLINE_SYSCALL(name, nr, args...) \
+ ({ INTERNAL_SYSCALL_DECL(err); \
+ long result_var = INTERNAL_SYSCALL (name, err, nr, args); \
+ if ( INTERNAL_SYSCALL_ERROR_P (result_var, err) ) \
+ { \
+ __set_errno (INTERNAL_SYSCALL_ERRNO (result_var, err)); \
+ result_var = -1L; \
+ } \
+ result_var; })
+
+#undef INTERNAL_SYSCALL_DECL
+#define INTERNAL_SYSCALL_DECL(err) long err
+
+#undef INTERNAL_SYSCALL_ERROR_P
+#define INTERNAL_SYSCALL_ERROR_P(val, err) ((long) (err))
+
+#undef INTERNAL_SYSCALL_ERRNO
+#define INTERNAL_SYSCALL_ERRNO(val, err) (val)
+
+#undef INTERNAL_SYSCALL
+#define INTERNAL_SYSCALL(name, err, nr, args...) \
+ internal_syscall##nr (, "li\t$2, %2\t\t\t# " #name "\n\t", \
+ "i" (SYS_ify (name)), err, args)
+
+#undef INTERNAL_SYSCALL_NCS
+#define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \
+ internal_syscall##nr (= number, , "r" (__v0), err, args)
+
+#if _MIPS_SIM == _ABIO32
+
+#define internal_syscall0(ncs_init, cs_init, input, err, dummy...) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall1(ncs_init, cs_init, input, err, arg1) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input, "r" (__a0) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall2(ncs_init, cs_init, input, err, arg1, arg2) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a1 asm("$5") = (long) arg2; \
+ register long __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input, "r" (__a0), "r" (__a1) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall3(ncs_init, cs_init, input, err, arg1, arg2, arg3)\
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a1 asm("$5") = (long) arg2; \
+ register long __a2 asm("$6") = (long) arg3; \
+ register long __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall4(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4)\
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a1 asm("$5") = (long) arg2; \
+ register long __a2 asm("$6") = (long) arg3; \
+ register long __a3 asm("$7") = (long) arg4; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#ifdef __UCLIBC__
+#define FORCE_FRAME_POINTER
+#else
+/* We need to use a frame pointer for the functions in which we
+ adjust $sp around the syscall, or debug information and unwind
+ information will be $sp relative and thus wrong during the syscall. As
+ of GCC 3.4.3, this is sufficient. */
+#define FORCE_FRAME_POINTER alloca (4)
+#endif
+
+#define internal_syscall5(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5)\
+({ \
+ long _sys_result; \
+ \
+ FORCE_FRAME_POINTER; \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a1 asm("$5") = (long) arg2; \
+ register long __a2 asm("$6") = (long) arg3; \
+ register long __a3 asm("$7") = (long) arg4; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ "subu\t$29, 32\n\t" \
+ "sw\t%6, 16($29)\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ "addiu\t$29, 32\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2), \
+ "r" ((long)arg5) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall6(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6)\
+({ \
+ long _sys_result; \
+ \
+ FORCE_FRAME_POINTER; \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a1 asm("$5") = (long) arg2; \
+ register long __a2 asm("$6") = (long) arg3; \
+ register long __a3 asm("$7") = (long) arg4; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ "subu\t$29, 32\n\t" \
+ "sw\t%6, 16($29)\n\t" \
+ "sw\t%7, 20($29)\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ "addiu\t$29, 32\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2), \
+ "r" ((long)arg5), "r" ((long)arg6) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall7(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6, arg7)\
+({ \
+ long _sys_result; \
+ \
+ FORCE_FRAME_POINTER; \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a1 asm("$5") = (long) arg2; \
+ register long __a2 asm("$6") = (long) arg3; \
+ register long __a3 asm("$7") = (long) arg4; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ "subu\t$29, 32\n\t" \
+ "sw\t%6, 16($29)\n\t" \
+ "sw\t%7, 20($29)\n\t" \
+ "sw\t%8, 24($29)\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ "addiu\t$29, 32\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2), \
+ "r" ((long)arg5), "r" ((long)arg6), "r" ((long)arg7) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
#define __SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
"$14", "$15", "$24", "$25", "memory"
-#define _syscall0(type,name) \
-type name(void) \
-{ \
- long err; \
- long sys_result; \
+#elif _MIPS_SIM == _ABIN32
+
+#define internal_syscall0(ncs_init, cs_init, input, err, dummy...) \
+({ \
+ long _sys_result; \
+ \
{ \
- register unsigned long __v0 asm("$2"); \
- register unsigned long __a3 asm("$7"); \
+ register long long __v0 asm("$2") ncs_init; \
+ register long long __a3 asm("$7"); \
__asm__ volatile ( \
- ".set noreorder\n\t" \
- "li $2, %2 # " #name "\n\t" \
+ ".set\tnoreorder\n\t" \
+ cs_init \
"syscall\n\t" \
".set reorder" \
: "=r" (__v0), "=r" (__a3) \
- : "i" (SYS_ify(name)) \
- : __SYSCALL_CLOBBERS); \
+ : input \
+ : __SYSCALL_CLOBBERS); \
err = __a3; \
- sys_result = __v0; \
+ _sys_result = __v0; \
} \
- if (err == 0) \
- return (type) sys_result; \
- __set_errno(sys_result); \
- return (type)-1; \
-}
+ _sys_result; \
+})
-#define _syscall1(type,name,atype,a) \
-type name(atype a) \
-{ \
- 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"); \
+#define internal_syscall1(ncs_init, cs_init, input, err, arg1) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2") ncs_init; \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a3 asm("$7"); \
__asm__ volatile ( \
- ".set noreorder\n\t" \
- "li $2, %3\t\t\t# " #name "\n\t" \
+ ".set\tnoreorder\n\t" \
+ cs_init \
"syscall\n\t" \
".set reorder" \
: "=r" (__v0), "=r" (__a3) \
- : "r" (__a0), "i" (SYS_ify(name)) \
- : __SYSCALL_CLOBBERS); \
+ : input, "r" (__a0) \
+ : __SYSCALL_CLOBBERS); \
err = __a3; \
- sys_result = __v0; \
+ _sys_result = __v0; \
} \
- if (err == 0) \
- return (type) sys_result; \
- __set_errno(sys_result); \
- return (type)-1; \
-}
+ _sys_result; \
+})
-#define _syscall2(type,name,atype,a,btype,b) \
-type name(atype a,btype b) \
-{ \
- 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"); \
+#define internal_syscall2(ncs_init, cs_init, input, err, arg1, arg2) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2") ncs_init; \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a1 asm("$5") = (long long) arg2; \
+ register long long __a3 asm("$7"); \
__asm__ volatile ( \
- ".set noreorder\n\t" \
- "li $2, %4\t\t\t# " #name "\n\t" \
+ ".set\tnoreorder\n\t" \
+ cs_init \
"syscall\n\t" \
- ".set reorder" \
+ ".set\treorder" \
: "=r" (__v0), "=r" (__a3) \
- : "r" (__a0), "r" (__a1), "i" (SYS_ify(name)) \
- : __SYSCALL_CLOBBERS); \
+ : input, "r" (__a0), "r" (__a1) \
+ : __SYSCALL_CLOBBERS); \
err = __a3; \
- sys_result = __v0; \
+ _sys_result = __v0; \
} \
- if (err == 0) \
- return (type) sys_result; \
- __set_errno(sys_result); \
- return (type)-1; \
-}
+ _sys_result; \
+})
-#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
-type name (atype a, btype b, ctype c) \
-{ \
- 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"); \
+#define internal_syscall3(ncs_init, cs_init, input, err, arg1, arg2, arg3) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2") ncs_init; \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a1 asm("$5") = (long long) arg2; \
+ register long long __a2 asm("$6") = (long long) arg3; \
+ register long long __a3 asm("$7"); \
__asm__ volatile ( \
- ".set noreorder\n\t" \
- "li $2, %5\t\t\t# " #name "\n\t" \
+ ".set\tnoreorder\n\t" \
+ cs_init \
"syscall\n\t" \
- ".set reorder" \
+ ".set\treorder" \
: "=r" (__v0), "=r" (__a3) \
- : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) \
- : __SYSCALL_CLOBBERS); \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2) \
+ : __SYSCALL_CLOBBERS); \
err = __a3; \
- sys_result = __v0; \
+ _sys_result = __v0; \
} \
- if (err == 0) \
- return (type) sys_result; \
- __set_errno(sys_result); \
- return (type)-1; \
-}
+ _sys_result; \
+})
-#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
-type name (atype a, btype b, ctype c, dtype d) \
-{ \
- 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; \
+#define internal_syscall4(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2") ncs_init; \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a1 asm("$5") = (long long) arg2; \
+ register long long __a2 asm("$6") = (long long) arg3; \
+ register long long __a3 asm("$7") = (long long) arg4; \
__asm__ volatile ( \
- ".set noreorder\n\t" \
- "li $2, %5\t\t\t# " #name "\n\t" \
+ ".set\tnoreorder\n\t" \
+ cs_init \
"syscall\n\t" \
- ".set reorder" \
+ ".set\treorder" \
: "=r" (__v0), "+r" (__a3) \
- : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) \
- : __SYSCALL_CLOBBERS); \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2) \
+ : __SYSCALL_CLOBBERS); \
err = __a3; \
- sys_result = __v0; \
+ _sys_result = __v0; \
} \
- if (err == 0) \
- return (type) sys_result; \
- __set_errno(sys_result); \
- return (type)-1; \
-}
+ _sys_result; \
+})
-#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) \
-{ \
- 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" \
+#define internal_syscall5(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2") ncs_init; \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a1 asm("$5") = (long long) arg2; \
+ register long long __a2 asm("$6") = (long long) arg3; \
+ register long long __a3 asm("$7") = (long long) arg4; \
+ register long long __a4 asm("$8") = (long long) arg5; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
"syscall\n\t" \
- "addiu $29, 32\n\t" \
- ".set reorder" \
+ ".set\treorder" \
: "=r" (__v0), "+r" (__a3) \
- : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
- "m" (constE) \
- : __SYSCALL_CLOBBERS); \
- err = __a3; \
- sys_result = __v0; \
- } \
- if (err == 0) \
- return (type) sys_result; \
- __set_errno(sys_result); \
- return (type)-1; \
-}
+ : input, "r" (__a0), "r" (__a1), "r" (__a2), "r" (__a4) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
-#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; \
- 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" \
+#define internal_syscall6(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long long __v0 asm("$2") ncs_init; \
+ register long long __a0 asm("$4") = (long long) arg1; \
+ register long long __a1 asm("$5") = (long long) arg2; \
+ register long long __a2 asm("$6") = (long long) arg3; \
+ register long long __a3 asm("$7") = (long long) arg4; \
+ register long long __a4 asm("$8") = (long long) arg5; \
+ register long long __a5 asm("$9") = (long long) arg6; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
"syscall\n\t" \
- "addiu $29, 32\n\t" \
- ".set reorder" \
+ ".set\treorder" \
: "=r" (__v0), "+r" (__a3) \
- : "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
- "m" (constE), "m" (constF) \
- : __SYSCALL_CLOBBERS); \
- err = __a3; \
- sys_result = __v0; \
- } \
- if (err == 0) \
- return (type) sys_result; \
- __set_errno(sys_result); \
- return (type)-1; \
-}
+ : input, "r" (__a0), "r" (__a1), "r" (__a2), "r" (__a4), \
+ "r" (__a5) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", \
+ "$14", "$15", "$24", "$25", "memory"
-#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; \
- 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" \
+#else /* _MIPS_SIM == _ABI64 */
+
+#define internal_syscall0(ncs_init, cs_init, input, err, dummy...) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a3 asm("$7"); \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
"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) \
- : __SYSCALL_CLOBBERS); \
- err = __a3; \
- sys_result = __v0; \
- } \
- if (err == 0) \
- return (type) sys_result; \
- __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; \
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall1(ncs_init, cs_init, input, err, arg1) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a3 asm("$7"); \
__asm__ volatile ( \
- ".set noreorder\n\t" \
- "li $2, %6\t\t\t# " #name "\n\t" \
+ ".set\tnoreorder\n\t" \
+ cs_init \
"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; \
-}
+ ".set reorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input, "r" (__a0) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
-#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; \
+#define internal_syscall2(ncs_init, cs_init, input, err, arg1, arg2) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a1 asm("$5") = (long) arg2; \
+ register long __a3 asm("$7"); \
__asm__ volatile ( \
- ".set noreorder\n\t" \
- "li $2, %7\t\t\t# " #name "\n\t" \
+ ".set\tnoreorder\n\t" \
+ cs_init \
"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; \
-}
+ ".set\treorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input, "r" (__a0), "r" (__a1) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
-#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; \
+#define internal_syscall3(ncs_init, cs_init, input, err, arg1, arg2, arg3) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a1 asm("$5") = (long) arg2; \
+ register long __a2 asm("$6") = (long) arg3; \
+ register long __a3 asm("$7"); \
__asm__ volatile ( \
- ".set noreorder\n\t" \
- "li $2, %8\t\t\t# " #name "\n\t" \
+ ".set\tnoreorder\n\t" \
+ cs_init \
"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 */
+ ".set\treorder" \
+ : "=r" (__v0), "=r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall4(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a1 asm("$5") = (long) arg2; \
+ register long __a2 asm("$6") = (long) arg3; \
+ register long __a3 asm("$7") = (long) arg4; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall5(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a1 asm("$5") = (long) arg2; \
+ register long __a2 asm("$6") = (long) arg3; \
+ register long __a3 asm("$7") = (long) arg4; \
+ register long __a4 asm("$8") = (long) arg5; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2), "r" (__a4) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define internal_syscall6(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6) \
+({ \
+ long _sys_result; \
+ \
+ { \
+ register long __v0 asm("$2") ncs_init; \
+ register long __a0 asm("$4") = (long) arg1; \
+ register long __a1 asm("$5") = (long) arg2; \
+ register long __a2 asm("$6") = (long) arg3; \
+ register long __a3 asm("$7") = (long) arg4; \
+ register long __a4 asm("$8") = (long) arg5; \
+ register long __a5 asm("$9") = (long) arg6; \
+ __asm__ volatile ( \
+ ".set\tnoreorder\n\t" \
+ cs_init \
+ "syscall\n\t" \
+ ".set\treorder" \
+ : "=r" (__v0), "+r" (__a3) \
+ : input, "r" (__a0), "r" (__a1), "r" (__a2), "r" (__a4), \
+ "r" (__a5) \
+ : __SYSCALL_CLOBBERS); \
+ err = __a3; \
+ _sys_result = __v0; \
+ } \
+ _sys_result; \
+})
+
+#define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", \
+ "$14", "$15", "$24", "$25", "memory"
+
+#endif
#endif /* __ASSEMBLER__ */
#endif /* _BITS_SYSCALLS_H */
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