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Use new Section::IsEncrypted() method to check if the eh_frame 

section is encrypted before trying to read it.  Fixes assert / crash
when trying to unwind an executable w/ encrypted eh_frame sect.

llvm-svn: 124172
This commit is contained in:
Jason Molenda 2011-01-25 03:05:13 +00:00
parent 414f5d3fe8
commit 8fe0c8c6c5
1 changed files with 4 additions and 4 deletions
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8
lldb/source/Symbol/DWARFCallFrameInfo.cpp
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@ -67,7 +67,7 @@ DWARFCallFrameInfo::GetUnwindPlan (Address addr, UnwindPlan& unwind_plan)
bool
DWARFCallFrameInfo::GetFDEEntryByAddress (Address addr, FDEEntry& fde_entry)
{
if (m_section.get() == NULL)
if (m_section.get() == NULL || m_section->IsEncrypted())
return false;
GetFDEIndex();
@ -83,7 +83,7 @@ DWARFCallFrameInfo::GetFDEEntryByAddress (Address addr, FDEEntry& fde_entry)
{
--idx;
}
if (idx != m_fde_index.begin() && idx->bounds.GetBaseAddress().GetOffset() != addr.GetOffset())
if (idx != m_fde_index.begin() && !idx->bounds.ContainsFileAddress (addr))
{
--idx;
}
@ -281,7 +281,7 @@ DWARFCallFrameInfo::ParseCIE (const dw_offset_t cie_offset)
void
DWARFCallFrameInfo::GetFDEIndex ()
{
if (m_section.get() == NULL)
if (m_section.get() == NULL || m_section->IsEncrypted())
return;
if (m_fde_index_initialized)
return;
@ -337,7 +337,7 @@ DWARFCallFrameInfo::FDEToUnwindPlan (dw_offset_t offset, Address startaddr, Unwi
{
dw_offset_t current_entry = offset;
if (m_section.get() == NULL)
if (m_section.get() == NULL || m_section->IsEncrypted())
return false;
if (m_cfi_data_initialized == false)