70 lines
2.3 KiB
Diff
70 lines
2.3 KiB
Diff
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From a70fe51d9813d490a89cbc8da1ae4b040bf8b37e Mon Sep 17 00:00:00 2001
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From: Lulu Cheng <chenglulu@loongson.cn>
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Date: Wed, 7 Sep 2022 11:25:45 +0800
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Subject: [PATCH 017/124] LoongArch: Fix pr106828 by define hook
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TARGET_ASAN_SHADOW_OFFSET in loongarch backend [PR106828].
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gcc/ChangeLog:
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PR target/106828
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* config/loongarch/loongarch.cc (loongarch_asan_shadow_offset): New.
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(TARGET_ASAN_SHADOW_OFFSET): New.
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gcc/testsuite/ChangeLog:
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PR target/106828
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* g++.target/loongarch/pr106828.C: New test.
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Signed-off-by: Peng Fan <fanpeng@loongson.cn>
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Signed-off-by: ticat_fp <fanpeng@loongson.cn>
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---
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gcc/config/loongarch/loongarch.cc | 13 +++++++++++++
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gcc/testsuite/g++.target/loongarch/pr106828.C | 4 ++++
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2 files changed, 17 insertions(+)
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create mode 100644 gcc/testsuite/g++.target/loongarch/pr106828.C
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diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc
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index c9187bf81..98c0e26cd 100644
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--- a/gcc/config/loongarch/loongarch.cc
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+++ b/gcc/config/loongarch/loongarch.cc
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@@ -6466,6 +6466,16 @@ loongarch_use_anchors_for_symbol_p (const_rtx symbol)
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return default_use_anchors_for_symbol_p (symbol);
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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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+loongarch_asan_shadow_offset (void)
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+{
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+ /* We only have libsanitizer support for LOONGARCH64 at present.
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+ This value is taken from the file libsanitizer/asan/asan_mappint.h. */
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+ return TARGET_64BIT ? (HOST_WIDE_INT_1 << 46) : 0;
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+}
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+
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/* Initialize the GCC target structure. */
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#undef TARGET_ASM_ALIGNED_HI_OP
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#define TARGET_ASM_ALIGNED_HI_OP "\t.half\t"
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@@ -6660,6 +6670,9 @@ loongarch_use_anchors_for_symbol_p (const_rtx symbol)
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#undef TARGET_USE_ANCHORS_FOR_SYMBOL_P
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#define TARGET_USE_ANCHORS_FOR_SYMBOL_P loongarch_use_anchors_for_symbol_p
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+#undef TARGET_ASAN_SHADOW_OFFSET
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+#define TARGET_ASAN_SHADOW_OFFSET loongarch_asan_shadow_offset
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+
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struct gcc_target targetm = TARGET_INITIALIZER;
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#include "gt-loongarch.h"
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diff --git a/gcc/testsuite/g++.target/loongarch/pr106828.C b/gcc/testsuite/g++.target/loongarch/pr106828.C
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new file mode 100644
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index 000000000..190c1db71
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--- /dev/null
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+++ b/gcc/testsuite/g++.target/loongarch/pr106828.C
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@@ -0,0 +1,4 @@
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+/* { dg-do-preprocess } */
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+/* { dg-options "-mabi=lp64d -fsanitize=address" } */
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+
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+/* Tests whether the compiler supports compile option '-fsanitize=address'. */
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--
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2.33.0
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