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Diffstat (limited to 'arch/mipsn32/syscall_arch.h')
-rw-r--r--arch/mipsn32/syscall_arch.h129
1 files changed, 68 insertions, 61 deletions
diff --git a/arch/mipsn32/syscall_arch.h b/arch/mipsn32/syscall_arch.h
index f6a1fbae..c681905d 100644
--- a/arch/mipsn32/syscall_arch.h
+++ b/arch/mipsn32/syscall_arch.h
@@ -1,20 +1,16 @@
#define __SYSCALL_LL_E(x) (x)
#define __SYSCALL_LL_O(x) (x)
-hidden long (__syscall)(long, ...);
-
#define SYSCALL_RLIM_INFINITY (-1UL/2)
-#if _MIPSEL || __MIPSEL || __MIPSEL__
-#define __stat_fix(st) ((st),(void)0)
+#if __mips_isa_rev >= 6
+#define SYSCALL_CLOBBERLIST \
+ "$1", "$3", "$10", "$11", "$12", "$13", \
+ "$14", "$15", "$24", "$25", "memory"
#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;
-}
+#define SYSCALL_CLOBBERLIST \
+ "$1", "$3", "$10", "$11", "$12", "$13", \
+ "$14", "$15", "$24", "$25", "hi", "lo", "memory"
#endif
static inline long __syscall0(long n)
@@ -22,11 +18,11 @@ static inline long __syscall0(long n)
register long r7 __asm__("$7");
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;
+ "daddu $2,$0,%2 ; syscall"
+ : "=&r"(r2), "=r"(r7)
+ : "ir"(n), "0"(r2)
+ : SYSCALL_CLOBBERLIST);
+ return r7 && r2>0 ? -r2 : r2;
}
static inline long __syscall1(long n, long a)
@@ -35,12 +31,11 @@ static inline long __syscall1(long n, long a)
register long r7 __asm__("$7");
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;
+ "daddu $2,$0,%2 ; syscall"
+ : "=&r"(r2), "=r"(r7)
+ : "ir"(n), "0"(r2), "r"(r4)
+ : SYSCALL_CLOBBERLIST);
+ return r7 && r2>0 ? -r2 : r2;
}
static inline long __syscall2(long n, long a, long b)
@@ -49,16 +44,13 @@ static inline long __syscall2(long n, long a, long b)
register long r5 __asm__("$5") = b;
register long r7 __asm__("$7");
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_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
- return ret;
+ "daddu $2,$0,%2 ; syscall"
+ : "=&r"(r2), "=r"(r7)
+ : "ir"(n), "0"(r2), "r"(r4), "r"(r5)
+ : SYSCALL_CLOBBERLIST);
+ return r7 && r2>0 ? -r2 : r2;
}
static inline long __syscall3(long n, long a, long b, long c)
@@ -68,16 +60,13 @@ static inline long __syscall3(long n, long a, long b, long c)
register long r6 __asm__("$6") = c;
register long r7 __asm__("$7");
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_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
- return ret;
+ "daddu $2,$0,%2 ; syscall"
+ : "=&r"(r2), "=r"(r7)
+ : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
+ : SYSCALL_CLOBBERLIST);
+ return r7 && r2>0 ? -r2 : r2;
}
static inline long __syscall4(long n, long a, long b, long c, long d)
@@ -87,37 +76,55 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
register long r6 __asm__("$6") = c;
register long r7 __asm__("$7") = d;
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_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
- if (n == SYS_newfstatat) __stat_fix(c);
- return ret;
+ "daddu $2,$0,%2 ; syscall"
+ : "=&r"(r2), "+r"(r7)
+ : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
+ : SYSCALL_CLOBBERLIST);
+ return r7 && r2>0 ? -r2 : r2;
}
static inline long __syscall5(long n, long a, long b, long c, long d, long e)
{
- long r2 = (__syscall)(n, a, b, c, d, e);
- if (r2 > -4096UL) return r2;
- if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
- if (n == SYS_newfstatat) __stat_fix(c);
- return r2;
+ register long r4 __asm__("$4") = a;
+ register long r5 __asm__("$5") = b;
+ register long r6 __asm__("$6") = c;
+ register long r7 __asm__("$7") = d;
+ register long r8 __asm__("$8") = e;
+ register long r2 __asm__("$2");
+
+ __asm__ __volatile__ (
+ "daddu $2,$0,%2 ; syscall"
+ : "=&r"(r2), "+r"(r7)
+ : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6), "r"(r8)
+ : SYSCALL_CLOBBERLIST);
+ return r7 && r2>0 ? -r2 : r2;
}
static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
{
- long r2 = (__syscall)(n, a, b, c, d, e, f);
- if (r2 > -4096UL) return r2;
- if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
- if (n == SYS_newfstatat) __stat_fix(c);
- return r2;
+ register long r4 __asm__("$4") = a;
+ register long r5 __asm__("$5") = b;
+ register long r6 __asm__("$6") = c;
+ register long r7 __asm__("$7") = d;
+ register long r8 __asm__("$8") = e;
+ register long r9 __asm__("$9") = f;
+ register long r2 __asm__("$2");
+
+ __asm__ __volatile__ (
+ "daddu $2,$0,%2 ; syscall"
+ : "=&r"(r2), "+r"(r7)
+ : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6), "r"(r8), "r"(r9)
+ : SYSCALL_CLOBBERLIST);
+ return r7 && r2>0 ? -r2 : r2;
}
#define VDSO_USEFUL
-#define VDSO_CGT_SYM "__vdso_clock_gettime"
+#define VDSO_CGT32_SYM "__vdso_clock_gettime"
+#define VDSO_CGT32_VER "LINUX_2.6"
+#define VDSO_CGT_SYM "__vdso_clock_gettime64"
#define VDSO_CGT_VER "LINUX_2.6"
+
+#define SO_SNDTIMEO_OLD 0x1005
+#define SO_RCVTIMEO_OLD 0x1006