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authorRoland McGrath <roland@gnu.org>2002-10-11 07:20:46 +0000
committerRoland McGrath <roland@gnu.org>2002-10-11 07:20:46 +0000
commit704bb2fd8e613322b308ed53c98b3d0d1bd98526 (patch)
tree4776d237b664e7ef90df86538fec9e667786994a
parentdb7ffaa3042e02121120a6086aba01c9cecfc46f (diff)
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2002-10-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h (INLINE_SYSCALL): Add all necessary register outputs for syscall-clobbered registers.
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h77
1 files changed, 46 insertions, 31 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
index 0559210755..c0f04f1ddd 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
@@ -37,52 +37,67 @@
# include <errno.h>
# undef INLINE_SYSCALL
-# define INLINE_SYSCALL(name, nr, args...) \
- ({ \
- long ret, err; \
- LOADARGS_##nr(name, args); \
- __asm __volatile ("sc\n\t" \
- "mfcr %1\n\t" \
- : "=r" (r3), "=r" (err) \
- : ASM_INPUT_##nr \
- : "cc", "memory"); \
- ret = r3; \
- if (err & 1 << 28) \
- { \
- __set_errno (ret); \
- ret = -1L; \
- } \
- ret; \
+# define INLINE_SYSCALL(name, nr, args...) \
+ ({ \
+ register long r0 __asm__ ("r0"); \
+ register long r3 __asm__ ("r3"); \
+ register long r4 __asm__ ("r4"); \
+ register long r5 __asm__ ("r5"); \
+ register long r6 __asm__ ("r6"); \
+ register long r7 __asm__ ("r7"); \
+ register long r8 __asm__ ("r8"); \
+ register long r9 __asm__ ("r9"); \
+ register long r10 __asm__ ("r10"); \
+ register long r11 __asm__ ("r11"); \
+ register long r12 __asm__ ("r12"); \
+ long ret, err; \
+ LOADARGS_##nr(name, args); \
+ __asm__ __volatile__ \
+ ("sc\n\t" \
+ "mfcr %0" \
+ : "=&r" (r0), \
+ "=&r" (r3), "=&r" (r4), "=&r" (r5), "=&r" (r6), "=&r" (r7), \
+ "=&r" (r8), "=&r" (r9), "=&r" (r10), "=&r" (r11), "=&r" (r12) \
+ : ASM_INPUT_##nr \
+ : "cc", "memory"); \
+ err = r0; \
+ ret = r3; \
+ if (err & (1 << 28)) \
+ { \
+ __set_errno (ret); \
+ ret = -1L; \
+ } \
+ ret; \
})
# define LOADARGS_0(name) \
- register long r0 __asm__ ("r0") = __NR_##name; \
- register long r3 __asm__ ("r3")
+ r0 = __NR_##name
# define LOADARGS_1(name, arg1) \
- LOADARGS_0(name) = (long) (arg1)
+ LOADARGS_0(name); \
+ r3 = (long) (arg1)
# define LOADARGS_2(name, arg1, arg2) \
LOADARGS_1(name, arg1); \
- register long r4 __asm__ ("r4") = (long) (arg2)
+ r4 = (long) (arg2)
# define LOADARGS_3(name, arg1, arg2, arg3) \
LOADARGS_2(name, arg1, arg2); \
- register long r5 __asm__ ("r5") = (long) (arg3)
+ r5 = (long) (arg3)
# define LOADARGS_4(name, arg1, arg2, arg3, arg4) \
LOADARGS_3(name, arg1, arg2, arg3); \
- register long r6 __asm__ ("r6") = (long) (arg4)
+ r6 = (long) (arg4)
# define LOADARGS_5(name, arg1, arg2, arg3, arg4, arg5) \
LOADARGS_4(name, arg1, arg2, arg3, arg4); \
- register long r7 __asm__ ("r7") = (long) (arg5)
+ r7 = (long) (arg5)
# define LOADARGS_6(name, arg1, arg2, arg3, arg4, arg5, arg6) \
LOADARGS_5(name, arg1, arg2, arg3, arg4, arg5); \
- register long r8 __asm__ ("r8") = (long) (arg6)
+ r8 = (long) (arg6)
-# define ASM_INPUT_0 "r" (r0)
-# define ASM_INPUT_1 ASM_INPUT_0, "0" (r3)
-# define ASM_INPUT_2 ASM_INPUT_1, "r" (r4)
-# define ASM_INPUT_3 ASM_INPUT_2, "r" (r5)
-# define ASM_INPUT_4 ASM_INPUT_3, "r" (r6)
-# define ASM_INPUT_5 ASM_INPUT_4, "r" (r7)
-# define ASM_INPUT_6 ASM_INPUT_5, "r" (r8)
+# define ASM_INPUT_0 "0" (r0)
+# define ASM_INPUT_1 ASM_INPUT_0, "1" (r3)
+# define ASM_INPUT_2 ASM_INPUT_1, "2" (r4)
+# define ASM_INPUT_3 ASM_INPUT_2, "3" (r5)
+# define ASM_INPUT_4 ASM_INPUT_3, "4" (r6)
+# define ASM_INPUT_5 ASM_INPUT_4, "5" (r7)
+# define ASM_INPUT_6 ASM_INPUT_5, "6" (r8)
#endif /* __ASSEMBLER__ */