cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / x86_64-linux-gnu / bits / siginfo-arch.h

diff --git a/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/siginfo-arch.h b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/siginfo-arch.h
new file mode 100644 (file)
index 0000000..7688a8d
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/siginfo-arch.h
@@ -0,0 +1,17 @@
+/* Architecture-specific adjustments to siginfo_t.  x86 version.  */
+#ifndef _BITS_SIGINFO_ARCH_H
+#define _BITS_SIGINFO_ARCH_H 1
+
+#if defined __x86_64__ && __WORDSIZE == 32
+/* si_utime and si_stime must be 4 byte aligned for x32 to match the
+   kernel.  We align siginfo_t to 8 bytes so that si_utime and
+   si_stime are actually aligned to 8 bytes since their offsets are
+   multiple of 8 bytes.  Note: with some compilers, the alignment
+   attribute would be ignored if it were put in __SI_CLOCK_T instead
+   of encapsulated in a typedef.  */
+typedef __clock_t __attribute__ ((__aligned__ (4))) __sigchld_clock_t;
+# define __SI_ALIGNMENT __attribute__ ((__aligned__ (8)))
+# define __SI_CLOCK_T __sigchld_clock_t
+#endif
+
+#endif