Eric Pouech : dbghelp: Added support for DW_OP_breg* operations in location computation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: fa7332fd270ff558ca3d2869bd312e77c41d455e
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=fa7332fd270ff558ca3d2869bd312e77c41d455e

Author: Eric Pouech <eric.pouech at wanadoo.fr>
Date:   Mon Sep 25 22:40:50 2006 +0200

dbghelp: Added support for DW_OP_breg* operations in location computation.

---

 dlls/dbghelp/dwarf.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/dlls/dbghelp/dwarf.c b/dlls/dbghelp/dwarf.c
index 114f781..2e0ef76 100644
--- a/dlls/dbghelp/dwarf.c
+++ b/dlls/dbghelp/dwarf.c
@@ -547,6 +547,14 @@ static unsigned long dwarf2_compute_loca
             case DW_OP_reg20: case DW_OP_reg21: case DW_OP_reg22: case DW_OP_reg23:
             case DW_OP_reg24: case DW_OP_reg25: case DW_OP_reg26: case DW_OP_reg27:
             case DW_OP_reg28: case DW_OP_reg29: case DW_OP_reg30: case DW_OP_reg31:
+            case DW_OP_breg0:  case DW_OP_breg1:  case DW_OP_breg2:  case DW_OP_breg3:
+            case DW_OP_breg4:  case DW_OP_breg5:  case DW_OP_breg6:  case DW_OP_breg7:
+            case DW_OP_breg8:  case DW_OP_breg9:  case DW_OP_breg10: case DW_OP_breg11:
+            case DW_OP_breg12: case DW_OP_breg13: case DW_OP_breg14: case DW_OP_breg15:
+            case DW_OP_breg16: case DW_OP_breg17: case DW_OP_breg18: case DW_OP_breg19:
+            case DW_OP_breg20: case DW_OP_breg21: case DW_OP_breg22: case DW_OP_breg23:
+            case DW_OP_breg24: case DW_OP_breg25: case DW_OP_breg26: case DW_OP_breg27:
+            case DW_OP_breg28: case DW_OP_breg29: case DW_OP_breg30: case DW_OP_breg31:
                 if (in_register)
                 {
                     /* dbghelp APIs don't know how to cope with this anyway
@@ -562,6 +570,11 @@ static unsigned long dwarf2_compute_loca
                     }
                 }
                 else FIXME("Found register, while not expecting it\n");
+                if (op >= DW_OP_breg0 && op <= DW_OP_breg31)
+                {
+                    loc[++stk] = dwarf2_leb128_as_signed(&lctx);
+                    if (in_register) *in_register |= Wine_DW_register_deref;
+                }
                 break;
             case DW_OP_fbreg:
                 if (in_register)