sh: Teach the DWARF unwinder about modules

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Pass a module's .eh_frame section to the DWARF unwinder at module load
time so that the section's FDEs and CIEs can be registered with the
DWARF unwinder. This allows us to unwind the stack through module code
when generating backtraces.

Signed-off-by: Matt Fleming <matt@console-pimps.org>

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This commit is contained in:

Matt Fleming 2009-10-09 23:20:54 +01:00

parent c153a58e71

commit a6a2f2ad67

3 changed files with 152 additions and 30 deletions

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15

arch/sh/include/asm/dwarf.h

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181

arch/sh/kernel/dwarf.c

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32

arch/sh/kernel/module.c

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