[libc-commits] [libc] [libc][setjmp] make x86_64 longjmp naked (PR #112581)

via libc-commits libc-commits at lists.llvm.org
Wed Oct 16 10:04:37 PDT 2024


github-actions[bot] wrote:

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git-clang-format --diff 46200fcf941d16bc8a494a3915e1178502e37a3e 6ca41d94bed4c2f78495bbf40d602fd8c5ea7566 --extensions h,cpp -- libc/src/setjmp/longjmp.h libc/src/setjmp/x86_64/longjmp.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/libc/src/setjmp/x86_64/longjmp.cpp b/libc/src/setjmp/x86_64/longjmp.cpp
index 5d5da67334..c293c55a6f 100644
--- a/libc/src/setjmp/x86_64/longjmp.cpp
+++ b/libc/src/setjmp/x86_64/longjmp.cpp
@@ -32,16 +32,11 @@ LLVM_LIBC_FUNCTION(void, longjmp, (jmp_buf, int)) {
       movq %c[r15](%%rdi), %%r15
       movq %c[rsp](%%rdi), %%rsp
       jmpq *%c[rip](%%rdi)
-      )" ::
-      [rbx] "i"(offsetof(__jmp_buf, rbx)),
-      [rbp] "i"(offsetof(__jmp_buf, rbp)),
-      [r12] "i"(offsetof(__jmp_buf, r12)),
-      [r13] "i"(offsetof(__jmp_buf, r13)),
-      [r14] "i"(offsetof(__jmp_buf, r14)),
-      [r15] "i"(offsetof(__jmp_buf, r15)),
-      [rsp] "i"(offsetof(__jmp_buf, rsp)),
-      [rip] "i"(offsetof(__jmp_buf, rip))
-);
+      )" ::[rbx] "i"(offsetof(__jmp_buf, rbx)),
+      [rbp] "i"(offsetof(__jmp_buf, rbp)), [r12] "i"(offsetof(__jmp_buf, r12)),
+      [r13] "i"(offsetof(__jmp_buf, r13)), [r14] "i"(offsetof(__jmp_buf, r14)),
+      [r15] "i"(offsetof(__jmp_buf, r15)), [rsp] "i"(offsetof(__jmp_buf, rsp)),
+      [rip] "i"(offsetof(__jmp_buf, rip)));
 }
 
 } // namespace LIBC_NAMESPACE_DECL

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https://github.com/llvm/llvm-project/pull/112581


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