eh_frame and LSDA

[王 蕾]

Hi!

I'm learning C++ Exception Handling from the compiler point. The eh_frame 
and the language-specific data area (LSDA) are generated by the compiler to 
support the Exception Handling. And the eh_frame which is the dwarf2 format 
applies to unwind the stack. LSDA in .gcc_except_table section applies to 
record the try-catch data.

But some questions puzzled me. What differece the eh_frame & LSDA have in 
differet ABIs or architectures? I searched some datum only for IA-64, but 
not for other architectures(mips,etc). Are there documents for the eh_frame 
and LSDA?  I want to know more about these.

Thanks a lot!

Lei

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