From: Julian Seward <jseward@acm.org>
Date: Sun, 15 May 2005 17:14:28 +0000 (+0000)
Subject: CFI reader: handle DW_CFA_def_cfa_offset_sf -- FC4 needs it
X-Git-Tag: svn/VALGRIND_3_0_0~597
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4ee2e0777544f2d5b011049fc2c0feb30836be19;p=thirdparty%2Fvalgrind.git

CFI reader: handle DW_CFA_def_cfa_offset_sf -- FC4 needs it


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3721
---

diff --git a/coregrind/vg_dwarf.c b/coregrind/vg_dwarf.c
index 1f5fa3b582..438f414b6e 100644
--- a/coregrind/vg_dwarf.c
+++ b/coregrind/vg_dwarf.c
@@ -957,6 +957,7 @@ enum dwarf_cfa_secondary_ops
     DW_CFA_def_cfa_register   = 0x0d,
     DW_CFA_def_cfa_offset     = 0x0e,
     DW_CFA_offset_extended_sf = 0x11, /* DWARF3 only */
+    DW_CFA_def_cfa_offset_sf  = 0x13, /* DWARF3 only */
     DW_CFA_lo_user            = 0x1c,
     DW_CFA_GNU_args_size      = 0x2e,
     DW_CFA_hi_user            = 0x3f
@@ -1458,6 +1459,12 @@ static Int run_CF_instruction ( /*MOD*/UnwindContext* ctx,
          ctx->cfa_offset = off;
          break;
 
+      case DW_CFA_def_cfa_offset_sf:
+         off = read_leb128( &instr[i], &nleb, 1);
+         i += nleb;
+         ctx->cfa_offset = off * ctx->data_a_f;
+         break;
+
       case DW_CFA_GNU_args_size:
          /* No idea what is supposed to happen.  gdb-6.3 simply
             ignores these. */