From e6cc1d6c0e66970c7445df4f16a729f019d30efd Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Fri, 22 Apr 2011 18:48:57 -0400 Subject: [PATCH] fix initial stack alignment in new threads on x86_64 --- src/thread/x86_64/clone.s | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/thread/x86_64/clone.s b/src/thread/x86_64/clone.s index 3cefd933..e006bccd 100644 --- a/src/thread/x86_64/clone.s +++ b/src/thread/x86_64/clone.s @@ -5,7 +5,7 @@ /* rdi = child_stack, rsi = start, rdx = pthread_struct */ __uniclone: subq $8,%rsp /* pad parent stack to prevent branch later */ - subq $16,%rdi /* grow child_stack */ + subq $24,%rdi /* grow child_stack */ mov %rsi,8(%rdi) /* push start onto child_stack as return ptr */ mov %rdx,0(%rdi) /* push pthread_struct onto child_stack */ mov %rdx,%r8 /* r8 = tls */ -- 2.25.1