diff options
| -rw-r--r-- | gas/gen-sframe.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/gas/gen-sframe.c b/gas/gen-sframe.c index f83a645..626dc33 100644 --- a/gas/gen-sframe.c +++ b/gas/gen-sframe.c @@ -667,12 +667,16 @@ output_sframe_internal (void) -fno-omit-frame-pointer is used. */ out_one (fixed_fp_offset); - /* Offset for the return address from CFA is fixed for some ABIs - (e.g., AMD64), output a SFRAME_CFA_FIXED_RA_INVALID otherwise. */ -#ifdef sframe_ra_tracking_p + /* All ABIs participating in SFrame generation must define + sframe_ra_tracking_p. + When RA tracking (in FREs) is not needed (e.g., AMD64), SFrame assumes + the RA is going to be at a fixed offset from CFA. Check that the fixed RA + offset is appropriately defined in all cases. */ if (!sframe_ra_tracking_p ()) - fixed_ra_offset = sframe_cfa_ra_offset (); -#endif + { + fixed_ra_offset = sframe_cfa_ra_offset (); + gas_assert (fixed_ra_offset != SFRAME_CFA_FIXED_RA_INVALID); + } out_one (fixed_ra_offset); /* None of the AMD64, or AARCH64 ABIs need the auxiliary header. |