diff options
Diffstat (limited to 'libebl/libebl.h')
| -rw-r--r-- | libebl/libebl.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libebl/libebl.h b/libebl/libebl.h index cae31c9b..990167a5 100644 --- a/libebl/libebl.h +++ b/libebl/libebl.h @@ -257,6 +257,11 @@ extern int ebl_syscall_abi (Ebl *ebl, int *sp, int *pc, before each CIE's initial instructions. It should set the data_alignment_factor member if it affects the initial instructions. + The callback should not use the register rules DW_CFA_expression or + DW_CFA_val_expression. Defining the CFA using DW_CFA_def_cfa_expression + is allowed. This is an implementation detail since register rules + store expressions as offsets from the .eh_frame or .debug_frame data. + As a shorthand for some common cases, for this instruction stream we overload some CFI instructions that cannot be used in a CIE: |