[libc-commits] [libc] [libc] fortify jmp buffer for x86-64 (PR #112769)

[Schrodinger ZHU Yifan via libc-commits]

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@@ -99,6 +99,10 @@
     "LIBC_CONF_SETJMP_AARCH64_RESTORE_PLATFORM_REGISTER": {
       "value": true,
       "doc": "Make setjmp save the value of x18, and longjmp restore it. The AArch64 ABI delegates this register to platform ABIs, which can choose whether to make it caller-saved."
+    },
+    "LIBC_CONF_SETJMP_ENABLE_FORTIFICATION": {
+      "value": true,
+      "doc": "Enable fortification for setjmp and longjmp."
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SchrodingerZhu wrote:

fixed

https://github.com/llvm/llvm-project/pull/112769