diff options
Diffstat (limited to 'src/dwarf/Gparser.c')
| -rw-r--r-- | src/dwarf/Gparser.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/dwarf/Gparser.c b/src/dwarf/Gparser.c index b251e311..fefd8093 100644 --- a/src/dwarf/Gparser.c +++ b/src/dwarf/Gparser.c @@ -334,7 +334,22 @@ run_cfi_program (struct dwarf_cursor *c, dwarf_state_record_t *sr, *addr += len; break; - case DW_CFA_GNU_args_size: + case DW_CFA_val_expression: + if ((ret = read_regnum (as, a, addr, ®num, arg)) < 0) + goto fail; + + /* Save the address of the DW_FORM_block for later evaluation. */ + set_reg (sr, regnum, DWARF_WHERE_VAL_EXPR, *addr); + + if ((ret = dwarf_read_uleb128 (as, a, addr, &len, arg)) < 0) + goto fail; + + Debug (15, "CFA_val_expression r%lu @ 0x%lx [%lu bytes]\n", + (long) regnum, (long) addr, (long) len); + *addr += len; + break; + + case DW_CFA_GNU_args_size: if ((ret = dwarf_read_uleb128 (as, a, addr, &val, arg)) < 0) goto fail; sr->args_size = val; @@ -785,6 +800,13 @@ apply_reg_state (struct dwarf_cursor *c, struct dwarf_reg_state *rs) if ((ret = eval_location_expr (c, as, a, addr, c->loc + i, arg)) < 0) return ret; break; + + case DWARF_WHERE_VAL_EXPR: + addr = rs->reg[i].val; + if ((ret = eval_location_expr (c, as, a, addr, c->loc + i, arg)) < 0) + return ret; + c->loc[i] = DWARF_VAL_LOC (c, DWARF_GET_LOC (c->loc[i])); + break; } } |