#ifndef __wasilibc___macro_PAGESIZE_h #define __wasilibc___macro_PAGESIZE_h /* * Without custom-page-sizes proposal, the page size in WebAssembly * is fixed at 64 KiB. * * The LLVM versions with a support of custom-page-sizes proposal * provides __wasm_first_page_end global to allow page-size-agnostic * objects. * * If this ever needs to be a value outside the range of an `int`, the * `getpagesize` function which returns this value will need special * consideration. POSIX has deprecated `getpagesize` in favor of * `sysconf(_SC_PAGESIZE)` which does not have this problem. */ #if __clang_major__ >= 22 extern char __wasm_first_page_end; #define PAGESIZE ((unsigned long)&__wasm_first_page_end) #else #define PAGESIZE (0x10000) #endif #endif