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pageProtect when missing pthread_jit_write_protect_np

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Jethro Grassie 2021-11-13 08:53:57 -05:00
parent 31b9b0f8fc
commit 4d8ef87936
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GPG Key ID: DE8ED755616565BB
1 changed files with 4 additions and 0 deletions
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src/virtual_memory.cpp
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@ -142,6 +142,8 @@ void setPagesRW(void* ptr, std::size_t bytes) {
&& MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_11_0 && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_11_0
if (__builtin_available(macOS 11.0, *)) { if (__builtin_available(macOS 11.0, *)) {
pthread_jit_write_protect_np(false); pthread_jit_write_protect_np(false);
} else {
pageProtect(ptr, bytes, PAGE_READWRITE);
} }
#else #else
pageProtect(ptr, bytes, PAGE_READWRITE); pageProtect(ptr, bytes, PAGE_READWRITE);
@ -153,6 +155,8 @@ void setPagesRX(void* ptr, std::size_t bytes) {
&& MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_11_0 && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_11_0
if (__builtin_available(macOS 11.0, *)) { if (__builtin_available(macOS 11.0, *)) {
pthread_jit_write_protect_np(true); pthread_jit_write_protect_np(true);
} else {
pageProtect(ptr, bytes, PAGE_EXECUTE_READ);
} }
#else #else
pageProtect(ptr, bytes, PAGE_EXECUTE_READ); pageProtect(ptr, bytes, PAGE_EXECUTE_READ);