diff options
Diffstat (limited to 'linux-user/aarch64/vdso.S')
| -rw-r--r-- | linux-user/aarch64/vdso.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/linux-user/aarch64/vdso.S b/linux-user/aarch64/vdso.S index 34d3a9ebd2..a0ac1487b0 100644 --- a/linux-user/aarch64/vdso.S +++ b/linux-user/aarch64/vdso.S @@ -63,7 +63,11 @@ vdso_syscall __kernel_clock_getres, __NR_clock_getres * For now, elide the unwind info for __kernel_rt_sigreturn and rely on * the libgcc fallback routine as we have always done. This requires * that the code sequence used be exact. + * + * Add a nop as a spacer to ensure that unwind does not pick up the + * unwind info from the preceding syscall. */ + nop __kernel_rt_sigreturn: /* No BTI C insn here -- we arrive via RET. */ mov x8, #__NR_rt_sigreturn |