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As of LLVM r368102, Clang will set a pointer tag in bits 56-63 of the address of a global when compiling with -fsanitize=hwaddress. This requires an adjustment to assembly code that takes the address of such globals: the code cannot use the regular R_AARCH64_ADR_PREL_PG_HI21 relocation to refer to the global, since the tag would take the address out of range. Instead, the code must use the non-checking (_NC) variant of the relocation (the link-time check is substituted by a runtime check). This change makes the necessary adjustment in the movrel macro, where it is needed when compiling with -fsanitize=hwaddress. Signed-off-by: Peter Collingbourne <pcc@google.com> Reviewed-by: Martin Storsjö Reviewed-by: Janne Grunau |
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| .. | ||
| asm.S | ||
| bswap.h | ||
| cpu.c | ||
| cpu.h | ||
| float_dsp_init.c | ||
| float_dsp_neon.S | ||
| Makefile | ||
| neontest.h | ||
| timer.h | ||