[libc-commits] [libc] [libc] implement sigsetjmp/siglongjmp for x86-64 (PR #136072)

[Schrodinger ZHU Yifan via libc-commits]

================
@@ -50,8 +52,15 @@ typedef struct {
 #else
 #error "__jmp_buf not available for your target architecture."
 #endif
+  // return address
+  void *sig_retaddr;
+  // extra register buffer to avoid indefinite stack growth in sigsetjmp
+  void *sig_extra;
+  // signal masks
+  sigset_t sigmask;
----------------
SchrodingerZhu wrote:

I will add aarch64 support in the next PR. But let's move them to x86 section for now.

https://github.com/llvm/llvm-project/pull/136072