* sysdeps/mach/hurd/i386/intr-msg.h (INTR_MSG_TRAP): Set CFA register to
%ecx while %esp is altered.
---
sysdeps/mach/hurd/i386/intr-msg.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sysdeps/mach/hurd/i386/intr-msg.h
b/sysdeps/mach/hurd/i386/intr-msg.h
index 54420fed01..70e6cc6592 100644
--- a/sysdeps/mach/hurd/i386/intr-msg.h
+++ b/sysdeps/mach/hurd/i386/intr-msg.h
@@ -37,10 +37,12 @@
" movl %6, %%eax\n" \
" jmp _hurd_intr_rpc_msg_sp_restored\n" \
"_hurd_intr_rpc_msg_do: movl %%esp, %%ecx\n" \
+ " .cfi_def_cfa_register %%ecx\n" \
" leal %4, %%esp\n" \
"_hurd_intr_rpc_msg_cx_sp: movl $-25, %%eax\n" \
"_hurd_intr_rpc_msg_do_trap: lcall $7, $0 # status in %0\n" \
"_hurd_intr_rpc_msg_in_trap: movl %%ecx, %%esp\n" \
+ " .cfi_def_cfa_register %%esp\n" \
"_hurd_intr_rpc_msg_sp_restored:" \
: "=a" (err), "+m" (option), "+m" (timeout), "=m" (*intr_port_p)
\
: "m" ((&msg)[-1]), "m" (*cancel_p), "i" (EINTR)
\
--
2.26.2
