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2017-01-23 Jakub Jelinek <jakub@redhat.com>
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gcc/
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* config/s390/s390.c (s390_asan_shadow_offset): New function.
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(TARGET_ASAN_SHADOW_OFFSET): Redefine.
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libsanitizer/
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* configure.tgt: Enable asan and ubsan on 64-bit s390*-*-linux*.
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--- gcc/config/s390/s390.c.jj 2017-01-19 16:58:25.000000000 +0100
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+++ gcc/config/s390/s390.c 2017-01-23 16:32:28.220398187 +0100
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@@ -15435,6 +15435,14 @@ s390_excess_precision (enum excess_preci
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return FLT_EVAL_METHOD_UNPREDICTABLE;
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}
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+/* Implement the TARGET_ASAN_SHADOW_OFFSET hook. */
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+
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+static unsigned HOST_WIDE_INT
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+s390_asan_shadow_offset (void)
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+{
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+ return TARGET_64BIT ? HOST_WIDE_INT_1U << 52 : HOST_WIDE_INT_UC (0x20000000);
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+}
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+
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/* Initialize GCC target structure. */
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#undef TARGET_ASM_ALIGNED_HI_OP
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@@ -15536,6 +15544,8 @@ s390_excess_precision (enum excess_preci
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#define TARGET_BUILD_BUILTIN_VA_LIST s390_build_builtin_va_list
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#undef TARGET_EXPAND_BUILTIN_VA_START
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#define TARGET_EXPAND_BUILTIN_VA_START s390_va_start
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+#undef TARGET_ASAN_SHADOW_OFFSET
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+#define TARGET_ASAN_SHADOW_OFFSET s390_asan_shadow_offset
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#undef TARGET_GIMPLIFY_VA_ARG_EXPR
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#define TARGET_GIMPLIFY_VA_ARG_EXPR s390_gimplify_va_arg
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--- libsanitizer/configure.tgt.jj 2017-01-23 15:25:21.000000000 +0100
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+++ libsanitizer/configure.tgt 2017-01-23 15:36:40.787456320 +0100
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@@ -39,6 +39,11 @@ case "${target}" in
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;;
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sparc*-*-linux*)
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;;
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+ s390*-*-linux*)
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+ if test x$ac_cv_sizeof_void_p = x4; then
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+ UNSUPPORTED=1
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+ fi
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+ ;;
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arm*-*-linux*)
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;;
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aarch64*-*-linux*)
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