From: Frederic Riss <frederic.riss@st.com>
Date: Fri, 25 Nov 2005 06:42:07 +0000 (+0000)
Subject: 	* dwarf2-frame.c: (execute_cfa_program): Don't access past the
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=92ad9f6b57d841acf26aea784ad7f73feb2bfb99;p=binutils-gdb.git

	* dwarf2-frame.c: (execute_cfa_program): Don't access past the
	allocated dwarf2_frame_state.initial.regs.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index dd8067f083f..de1c5c38547 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2005-11-25 Frederic Riss <frederic.riss@st.com>
+	
+	* dwarf2-frame.c: (execute_cfa_program): Don't access past the 
+	allocated dwarf2_frame_state.initial.regs.
+
 2005-11-25 Frederic Riss <frederic.riss@st.com>
 	
 	* MAINTAINERS (Write After Approval): Add myself to the list.
diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c
index ef0d6266fd8..c65967fcff4 100644
--- a/gdb/dwarf2-frame.c
+++ b/gdb/dwarf2-frame.c
@@ -294,7 +294,17 @@ execute_cfa_program (gdb_byte *insn_ptr, gdb_byte *insn_end,
 	  gdb_assert (fs->initial.reg);
 	  reg = insn & 0x3f;
 	  dwarf2_frame_state_alloc_regs (&fs->regs, reg + 1);
-	  fs->regs.reg[reg] = fs->initial.reg[reg];
+	  if (reg < fs->initial.num_regs)
+	    fs->regs.reg[reg] = fs->initial.reg[reg];
+	  else 
+	    fs->regs.reg[reg].how = DWARF2_FRAME_REG_UNSPECIFIED;
+
+	  if (fs->regs.reg[reg].how == DWARF2_FRAME_REG_UNSPECIFIED)
+	    complaint (&symfile_complaints, _("\
+incomplete CFI data; DW_CFA_restore unspecified\n\
+register %s (#%d) at 0x%s"),
+		       REGISTER_NAME(DWARF2_REG_TO_REGNUM(reg)),
+		       DWARF2_REG_TO_REGNUM(reg), paddr (fs->pc));
 	}
       else
 	{