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ElfReader: Support for Section and Symbol size.

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- getSection/getSymbol now returns an ElfSymbol reference.

Searching by address now searches if address is within
symbol address and symbol address + size.
So we can test, if we are *within* a function, object or
section and not only at the start address.
This commit is contained in:
Martin Hoffmann
2013-03-04 15:18:52 +01:00
parent 3501050548
commit 4686c27d3d
10 changed files with 185 additions and 218 deletions
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12
src/experiments/nanojpeg/experiment.cc
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@ -80,17 +80,17 @@ bool NanoJPEGExperiment::run()
ElfReader elfreader(NANOJPEG_ELF);
guest_address_t addr_text_start =
elfreader.getAddressByName("___TEXT_START__");
elfreader.getSymbol("___TEXT_START__").getAddress();
guest_address_t addr_text_end =
elfreader.getAddressByName("___TEXT_END__");
elfreader.getSymbol("___TEXT_END__").getAddress();
guest_address_t addr_rodata_start =
elfreader.getAddressByName("___RODATA_START__");
elfreader.getSymbol("___RODATA_START__").getAddress();
guest_address_t addr_bss_end =
elfreader.getAddressByName("___BSS_END__");
elfreader.getSymbol("___BSS_END__").getAddress();
guest_address_t addr_output_image_ptr =
elfreader.getAddressByName("output_image");
elfreader.getSymbol("output_image").getAddress();
guest_address_t addr_output_image_size =
elfreader.getAddressByName("output_image_size");
elfreader.getSymbol("output_image_size").getAddress();
log << "ELF symbols: text " << hex << addr_text_start << "-" << addr_text_end
<< " rodata/data/bss " << addr_rodata_start << "-" << addr_bss_end
<< " output_image ptr @ " << addr_output_image_ptr << ", size @ " << addr_output_image_size << endl;