52 lines
1.4 KiB
Bash
52 lines
1.4 KiB
Bash
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#!/bin/sh
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# Writes out all of the exported symbols to a file.
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# This is needed on AIX as symbols are not exported
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# by an executable by default and need to be listed
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# specifically for export so that they can be used
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# by native add-ons.
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#
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# The raw symbol data is obtained by using nm on
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# the .a files which make up the node executable.
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#
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# -Xany processes symbols for both 32-bit and
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# 64-bit (the default is for 32-bit only).
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#
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# -g selects only exported symbols.
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#
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# -C, -B and -p ensure that the output is in a
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# format that can be easily parsed and converted
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# into the required symbol.
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#
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# -C suppresses the demangling of C++ names.
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# -B writes the output in BSD format.
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# -p displays the info in a standard portable
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# output format.
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#
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# Only include symbols if they are of the following
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# types and don't start with a dot.
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#
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# T - Global text symbol.
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# D - Global data symbol.
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# B - Global bss symbol.
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#
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# The final sort allows removal of any duplicates.
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#
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# Symbols for the gtest libraries are excluded as
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# they are not linked into the node executable.
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#
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echo "Searching $1 to write out expfile to $2"
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# This special sequence must be at the start of the exp file.
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echo "#!." > $2.tmp
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# Pull the symbols from the .a files.
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find $1 -name "*.a" | grep -v gtest \
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| xargs nm -Xany -BCpg \
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| awk '{
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if ((($2 == "T") || ($2 == "D") || ($2 == "B")) &&
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(substr($3,1,1) != ".")) { print $3 }
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}' \
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| sort -u >> $2.tmp
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mv -f $2.tmp $2
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