From 5f38bfed7cf408c1734d6bff8770c3b11edc665f Mon Sep 17 00:00:00 2001 From: Keno Fischer Date: Thu, 11 Aug 2016 15:04:39 -0400 Subject: [PATCH] preloader: Add proper CFI instructions to _start functions. Signed-off-by: Keno Fischer Signed-off-by: Alexandre Julliard --- loader/preloader.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/loader/preloader.c b/loader/preloader.c index db0e998c8ab..7cf29469d2c 100644 --- a/loader/preloader.c +++ b/loader/preloader.c @@ -212,6 +212,7 @@ struct void _start(void); extern char _end[]; __ASM_GLOBAL_FUNC(_start, + __ASM_CFI("\t.cfi_undefined %eip\n") "\tmovl $243,%eax\n" /* SYS_set_thread_area */ "\tmovl $thread_ldt,%ebx\n" "\tint $0x80\n" /* allocate gs segment */ @@ -363,6 +364,7 @@ void *thread_data[256]; void _start(void); extern char _end[]; __ASM_GLOBAL_FUNC(_start, + __ASM_CFI(".cfi_undefined %rip\n\t") "movq %rsp,%rax\n\t" "leaq -144(%rsp),%rsp\n\t" /* allocate some space for extra aux values */ "movq %rax,(%rsp)\n\t" /* orig stack pointer */