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| author | Lulu Cheng <chenglulu@loongson.cn> | 2022-09-07 11:25:45 +0800 |
|---|---|---|
| committer | Lulu Cheng <chenglulu@loongson.cn> | 2022-09-07 16:53:10 +0800 |
| commit | 0067ba052b976431c49d6a86f2c9ede9938efcdf (patch) | |
| tree | a5c1857d623a4a8a823641220ea79e64832b62e6 /gcc/config/loongarch | |
| parent | e90af965e5c858ba02c0cdfbac35d0a19da1c2f6 (diff) | |
| download | gcc-0067ba052b976431c49d6a86f2c9ede9938efcdf.zip gcc-0067ba052b976431c49d6a86f2c9ede9938efcdf.tar.gz gcc-0067ba052b976431c49d6a86f2c9ede9938efcdf.tar.bz2 | |
LoongArch: Fix pr106828 by define hook TARGET_ASAN_SHADOW_OFFSET in loongarch backend [PR106828].
gcc/ChangeLog:
PR target/106828
* config/loongarch/loongarch.cc (loongarch_asan_shadow_offset): New.
(TARGET_ASAN_SHADOW_OFFSET): New.
gcc/testsuite/ChangeLog:
PR target/106828
* g++.target/loongarch/pr106828.C: New test.
Diffstat (limited to 'gcc/config/loongarch')
| -rw-r--r-- | gcc/config/loongarch/loongarch.cc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc index c9187bf..98c0e26 100644 --- a/gcc/config/loongarch/loongarch.cc +++ b/gcc/config/loongarch/loongarch.cc @@ -6466,6 +6466,16 @@ loongarch_use_anchors_for_symbol_p (const_rtx symbol) return default_use_anchors_for_symbol_p (symbol); } +/* Implement the TARGET_ASAN_SHADOW_OFFSET hook. */ + +static unsigned HOST_WIDE_INT +loongarch_asan_shadow_offset (void) +{ + /* We only have libsanitizer support for LOONGARCH64 at present. + This value is taken from the file libsanitizer/asan/asan_mappint.h. */ + return TARGET_64BIT ? (HOST_WIDE_INT_1 << 46) : 0; +} + /* Initialize the GCC target structure. */ #undef TARGET_ASM_ALIGNED_HI_OP #define TARGET_ASM_ALIGNED_HI_OP "\t.half\t" @@ -6660,6 +6670,9 @@ loongarch_use_anchors_for_symbol_p (const_rtx symbol) #undef TARGET_USE_ANCHORS_FOR_SYMBOL_P #define TARGET_USE_ANCHORS_FOR_SYMBOL_P loongarch_use_anchors_for_symbol_p +#undef TARGET_ASAN_SHADOW_OFFSET +#define TARGET_ASAN_SHADOW_OFFSET loongarch_asan_shadow_offset + struct gcc_target targetm = TARGET_INITIALIZER; #include "gt-loongarch.h" |