X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=arch%2Fmips%2Fsyscall_arch.h;h=666f413f46b7e95468411aed3607d88033b17385;hb=610c5a8524c3d6cd3ac5a5f1231422e7648a3791;hp=43404c9e165cf62ae4823ea035f74dfcf2789b4c;hpb=ccc7b4c3a17ade90de71e1e0f44deebbffd646e6;p=musl

diff --git a/arch/mips/syscall_arch.h b/arch/mips/syscall_arch.h
index 43404c9e..666f413f 100644
--- a/arch/mips/syscall_arch.h
+++ b/arch/mips/syscall_arch.h
@@ -3,29 +3,47 @@
 ((union { long long ll; long l[2]; }){ .ll = x }).l[1]
 #define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))
 
-#ifndef __clang__
+__attribute__((visibility("hidden")))
+long (__syscall)(long, ...);
 
-#define __asm_syscall(...) do { \
-	register long r2 __asm__("$2"); \
-	__asm__ __volatile__ ( \
-	"addu $2,$0,%2 ; syscall" \
-	: "=&r"(r2), "=r"(r7) : "ir"(n), __VA_ARGS__, "0"(r2), "1"(r7) \
-	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
-	  "$14", "$15", "$24", "$25", "hi", "lo", "memory"); \
-	return r7 ? -r2 : r2; \
-	} while (0)
+#define SYSCALL_RLIM_INFINITY (-1UL/2)
+
+#if _MIPSEL || __MIPSEL || __MIPSEL__
+#define __stat_fix(st) ((st),(void)0)
+#else
+#include <sys/stat.h>
+static inline void __stat_fix(long p)
+{
+	struct stat *st = (struct stat *)p;
+	st->st_dev >>= 32;
+	st->st_rdev >>= 32;
+}
+#endif
 
 static inline long __syscall0(long n)
 {
 	register long r7 __asm__("$7");
-	__asm_syscall("i"(0));
+	register long r2 __asm__("$2");
+	__asm__ __volatile__ (
+		"addu $2,$0,%2 ; syscall"
+		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7)
+		: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+		  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
+	return r7 ? -r2 : r2;
 }
 
 static inline long __syscall1(long n, long a)
 {
 	register long r4 __asm__("$4") = a;
 	register long r7 __asm__("$7");
-	__asm_syscall("r"(r4));
+	register long r2 __asm__("$2");
+	__asm__ __volatile__ (
+		"addu $2,$0,%2 ; syscall"
+		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
+		  "r"(r4)
+		: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+		  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
+	return r7 ? -r2 : r2;
 }
 
 static inline long __syscall2(long n, long a, long b)
@@ -33,7 +51,17 @@ static inline long __syscall2(long n, long a, long b)
 	register long r4 __asm__("$4") = a;
 	register long r5 __asm__("$5") = b;
 	register long r7 __asm__("$7");
-	__asm_syscall("r"(r4), "r"(r5));
+	register long r2 __asm__("$2");
+	__asm__ __volatile__ (
+		"addu $2,$0,%2 ; syscall"
+		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
+		  "r"(r4), "r"(r5)
+		: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+		  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
+	if (r7) return -r2;
+	long ret = r2;
+	if (n == SYS_stat64 || n == SYS_fstat64 || n == SYS_lstat64) __stat_fix(b);
+	return ret;
 }
 
 static inline long __syscall3(long n, long a, long b, long c)
@@ -42,7 +70,17 @@ static inline long __syscall3(long n, long a, long b, long c)
 	register long r5 __asm__("$5") = b;
 	register long r6 __asm__("$6") = c;
 	register long r7 __asm__("$7");
-	__asm_syscall("r"(r4), "r"(r5), "r"(r6));
+	register long r2 __asm__("$2");
+	__asm__ __volatile__ (
+		"addu $2,$0,%2 ; syscall"
+		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
+		  "r"(r4), "r"(r5), "r"(r6)
+		: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+		  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
+	if (r7) return -r2;
+	long ret = r2;
+	if (n == SYS_stat64 || n == SYS_fstat64 || n == SYS_lstat64) __stat_fix(b);
+	return ret;
 }
 
 static inline long __syscall4(long n, long a, long b, long c, long d)
@@ -51,44 +89,38 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
 	register long r5 __asm__("$5") = b;
 	register long r6 __asm__("$6") = c;
 	register long r7 __asm__("$7") = d;
-	__asm_syscall("r"(r4), "r"(r5), "r"(r6));
-}
-
-#else
-
-static inline long __syscall0(long n)
-{
-	return (__syscall)(n);
-}
-
-static inline long __syscall1(long n, long a)
-{
-	return (__syscall)(n, a);
+	register long r2 __asm__("$2");
+	__asm__ __volatile__ (
+		"addu $2,$0,%2 ; syscall"
+		: "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
+		  "r"(r4), "r"(r5), "r"(r6)
+		: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+		  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
+	if (r7) return -r2;
+	long ret = r2;
+	if (n == SYS_stat64 || n == SYS_fstat64 || n == SYS_lstat64) __stat_fix(b);
+	if (n == SYS_fstatat64) __stat_fix(c);
+	return ret;
 }
 
-static inline long __syscall2(long n, long a, long b)
-{
-	return (__syscall)(n, a, b);
-}
-
-static inline long __syscall3(long n, long a, long b, long c)
-{
-	return (__syscall)(n, a, b, c);
-}
-
-static inline long __syscall4(long n, long a, long b, long c, long d)
-{
-	return (__syscall)(n, a, b, c, d);
-}
-
-#endif
-
 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
 {
-	return (__syscall)(n, a, b, c, d, e);
+	long r2 = (__syscall)(n, a, b, c, d, e);
+	if (r2 > -4096UL) return r2;
+	if (n == SYS_stat64 || n == SYS_fstat64 || n == SYS_lstat64) __stat_fix(b);
+	if (n == SYS_fstatat64) __stat_fix(c);
+	return r2;
 }
 
 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
 {
-	return (__syscall)(n, a, b, c, d, e, f);
+	long r2 = (__syscall)(n, a, b, c, d, e, f);
+	if (r2 > -4096UL) return r2;
+	if (n == SYS_stat64 || n == SYS_fstat64 || n == SYS_lstat64) __stat_fix(b);
+	if (n == SYS_fstatat64) __stat_fix(c);
+	return r2;
 }
+
+#define VDSO_USEFUL
+#define VDSO_CGT_SYM "__vdso_clock_gettime"
+#define VDSO_CGT_VER "LINUX_2.6"