* dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
* dwarf2out.c (dwarf_cfi_name): Print name of new constant.
(reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
(output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
* frame.c (execute_cfa_insn): Handle
DW_CFA_GNU_negative_offset_extended.
From-SVN: r31858
+2000-02-08 Geoff Keating <geoffk@cygnus.com>
+
+ * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
+ * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
+ (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
+ (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
+ * frame.c (execute_cfa_insn): Handle
+ DW_CFA_GNU_negative_offset_extended.
+
2000-02-08 Richard Henderson <rth@cygnus.com>
* flow.c (tidy_fallthru_edges): Split out from ...
/* Declarations and definitions of codes relating to the DWARF2 symbolic
debugging information format.
- Copyright (C) 1992, 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1993, 1995, 1996, 1997, 2000
+ Free Software Foundation, Inc.
Contributed by Gary Funck (gary@intrepid.com). Derived from the
DWARF 1 implementation written by Ron Guilmette (rfg@monkeys.com).
/* GNU extensions */
DW_CFA_GNU_window_save = 0x2d,
- DW_CFA_GNU_args_size = 0x2e
+ DW_CFA_GNU_args_size = 0x2e,
+ DW_CFA_GNU_negative_offset_extended = 0x2f
};
#define DW_CIE_ID 0xffffffff
return "DW_CFA_GNU_window_save";
case DW_CFA_GNU_args_size:
return "DW_CFA_GNU_args_size";
+ case DW_CFA_GNU_negative_offset_extended:
+ return "DW_CFA_GNU_negative_offset_extended";
default:
return "DW_CFA_<unknown>";
offset /= DWARF_CIE_DATA_ALIGNMENT;
if (offset < 0)
- abort ();
+ {
+ cfi->dw_cfi_opc = DW_CFA_GNU_negative_offset_extended;
+ offset = -offset;
+ }
cfi->dw_cfi_oprnd2.dw_cfi_offset = offset;
}
else
break;
#endif
case DW_CFA_offset_extended:
+ case DW_CFA_GNU_negative_offset_extended:
case DW_CFA_def_cfa:
output_uleb128 (cfi->dw_cfi_oprnd1.dw_cfi_reg_num);
fputc ('\n', asm_out_file);
state->s.args_size = offset;
break;
+ case DW_CFA_GNU_negative_offset_extended:
+ p = decode_uleb128 (p, ®);
+ p = decode_uleb128 (p, &offset);
+ offset *= info->data_align;
+ state->s.saved[reg] = REG_SAVED_OFFSET;
+ state->s.reg_or_offset[reg] = -offset;
+ break;
+
default:
abort ();
}