diff options
Diffstat (limited to 'gcc/dwarf2codeview.cc')
| -rw-r--r-- | gcc/dwarf2codeview.cc | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/dwarf2codeview.cc b/gcc/dwarf2codeview.cc index 8831050..e4c67f9 100644 --- a/gcc/dwarf2codeview.cc +++ b/gcc/dwarf2codeview.cc @@ -3007,6 +3007,62 @@ write_optimized_function_vars (dw_die_ref die, dw_loc_descr_ref fbloc, while (c != first_child); } +/* There's no way to mark the range of a static local variable in an optimized + function: there's no S_DEFRANGE_* symbol for this, and you can't have + S_BLOCK32 symbols. So instead we have to loop through after the S_FRAMEPROC + has been written, and write the S_LDATA32s at the end. */ + +static void +write_optimized_static_local_vars (dw_die_ref die) +{ + dw_die_ref first_child, c; + + first_child = dw_get_die_child (die); + + if (!first_child) + return; + + c = first_child; + do + { + c = dw_get_die_sib (c); + + switch (dw_get_die_tag (c)) + { + case DW_TAG_variable: + { + dw_attr_node *loc; + dw_loc_descr_ref loc_ref; + + loc = get_AT (c, DW_AT_location); + if (!loc) + break; + + if (loc->dw_attr_val.val_class != dw_val_class_loc) + break; + + loc_ref = loc->dw_attr_val.v.val_loc; + if (!loc_ref) + break; + + if (loc_ref->dw_loc_opc != DW_OP_addr) + break; + + write_local_s_ldata32 (c, loc_ref); + break; + } + + case DW_TAG_lexical_block: + write_optimized_static_local_vars (c); + break; + + default: + break; + } + } + while (c != first_child); +} + /* Write an S_GPROC32_ID symbol, representing a global function, or an S_LPROC32_ID symbol, for a static function. */ @@ -3143,6 +3199,7 @@ write_function (codeview_symbol *s) write_optimized_function_vars (s->function.die, fbloc, rtx_low, rtx_high); write_s_frameproc (); + write_optimized_static_local_vars (s->function.die); } else { |