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authorElliott Hughes <enh@google.com>2016-07-02 12:53:40 -0700
committerRob Landley <rob@landley.net>2016-07-03 22:12:30 -0500
commitc5e7ee27f606ed0bdb20d54e9de1a4adb56fc5d3 (patch)
treebc6334757d07e40a8beb4537cfcb7e1871adb92a /toys/posix/ln.c
parent746e565c097ed311ebb65842ac8a6527535993a7 (diff)
downloadtoybox-c5e7ee27f606ed0bdb20d54e9de1a4adb56fc5d3.tar.gz
Improve file(1)'s ELF support.
Read any PT_NOTE sections to look for NT_GNU_BUILD_ID or Android API level notes. I deliberately didn't NT_GNU_ABI_TAG because it's noisy -- every Linux executable has one -- but not something most command-line users will have any use for. (And you can ask readelf(1) anyway.) Also read the section headers to implement "stripped"/"not stripped". This patch removes "uses %d libs" because it was actually just counting dynamic sections in the ELF file, and there are only 0 or 1 of those in a valid ELF flie. (If you really want this functionality, you have to *parse* the dynamic section looking for the DT_NEEDED entries. But that's more of a job for readelf(1) than file(1).)
Diffstat (limited to 'toys/posix/ln.c')
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