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Clear the icache on arm

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Maxime Chevalier-Boisvert 2022-07-22 12:18:21 -04:00 committed by Takashi Kokubun
parent b1ed4d9b94
commit 7e22ec7439
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1 changed files with 4 additions and 0 deletions
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yjit.c
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@ -78,6 +78,10 @@ rb_yjit_mark_executable(void *mem_block, uint32_t mem_size)
rb_bug("Couldn't make JIT page (%p, %lu bytes) executable, errno: %s\n",
mem_block, (unsigned long)mem_size, strerror(errno));
}
// Clear/invalidate the instruction cache. Compiles to nothing on x86_64
// but required on ARM. On Darwin it's the same as calling sys_icache_invalidate().
__builtin___clear_cache(mem_block, (char *)mem_block + mem_size);
}
# define PTR2NUM(x) (rb_int2inum((intptr_t)(void *)(x)))