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Fixed an issue with Function::GetPrologueByteSize() where if a function's first line table entry didn't have the same address as the start address of the function itself, we could end up returning and incorrect value.

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llvm-svn: 118830
This commit is contained in:
Greg Clayton
2010-11-11 20:13:30 +00:00
parent c33f28bf90
commit c3b849970d
1 changed files with 10 additions and 1 deletions
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11
lldb/source/Symbol/Function.cpp
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@@ -500,7 +500,16 @@ Function::GetPrologueByteSize ()
{
LineEntry line_entry;
if (line_table->FindLineEntryByAddress(GetAddressRange().GetBaseAddress(), line_entry))
m_prologue_byte_size = line_entry.range.GetByteSize();
{
// We need to take the delta of the end of the first line entry
// as a file address and the start file address of the function
// in case the first line entry doesn't start at the beginning
// of the function.
const addr_t func_start_file_addr = m_range.GetBaseAddress().GetFileAddress();
const addr_t line_entry_end_file_addr = line_entry.range.GetBaseAddress().GetFileAddress() + line_entry.range.GetByteSize();
if (line_entry_end_file_addr > func_start_file_addr)
m_prologue_byte_size = line_entry_end_file_addr - func_start_file_addr;
}
}
}
return m_prologue_byte_size;