From: Ulrich Drepper <drepper@redhat.com>
Date: Tue, 8 Jan 2002 06:30:43 +0000 (+0000)
Subject: (execute_cfa_program): Fix DW_CFA_restore handling.
X-Git-Tag: cvs/glibc-2-2-5~59
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=03f7b19e08062e0651180275239a4960813dd677;p=thirdparty%2Fglibc.git

(execute_cfa_program): Fix DW_CFA_restore handling.
---

diff --git a/sysdeps/generic/unwind-dw2.c b/sysdeps/generic/unwind-dw2.c
index ac56e7c35c1..ca0299468f7 100644
--- a/sysdeps/generic/unwind-dw2.c
+++ b/sysdeps/generic/unwind-dw2.c
@@ -721,9 +721,9 @@ execute_cfa_program (const unsigned char *insn_ptr,
       _Unwind_Sword offset;
       _Unwind_Ptr ptrtmp;
 
-      if (insn & DW_CFA_advance_loc)
+      if ((insn & 0xc0) == DW_CFA_advance_loc)
 	fs->pc += (insn & 0x3f) * fs->code_align;
-      else if (insn & DW_CFA_offset)
+      else if ((insn & 0xc0) == DW_CFA_offset)
 	{
 	  reg = insn & 0x3f;
 	  insn_ptr = read_uleb128 (insn_ptr, &ptrtmp);
@@ -731,7 +731,7 @@ execute_cfa_program (const unsigned char *insn_ptr,
 	  fs->regs.reg[reg].how = REG_SAVED_OFFSET;
 	  fs->regs.reg[reg].loc.offset = offset;
 	}
-      else if (insn & DW_CFA_restore)
+      else if ((insn & 0xc0) == DW_CFA_restore)
 	{
 	  reg = insn & 0x3f;
 	  fs->regs.reg[reg].how = REG_UNSAVED;