[openssl-commits] Errored: openssl/openssl#16644 (OpenSSL_1_1_0-stable - fa9ab9e)

Travis CI builds at travis-ci.org
Wed Feb 28 11:14:49 UTC 2018

Build Update for openssl/openssl

Build: #16644
Status: Errored

Duration: 13 minutes and 6 seconds
Commit: fa9ab9e (OpenSSL_1_1_0-stable)
Author: David Benjamin
Message: Always use adr with __thumb2__.

Thumb2 addresses are a bit a mess, depending on whether a label is
interpreted as a function pointer value (for use with BX and BLX) or as
a program counter value (for use with PC-relative addressing). Clang's
integrated assembler mis-assembles this code. See
https://crbug.com/124610#c54 for details.

Instead, use the ADR pseudo-instruction which has clear semantics and
should be supported by every assembler that handles the OpenSSL Thumb2
code. (In other files, the ADR vs SUB conditionals are based on
__thumb2__ already. For some reason, this one is based on __APPLE__, I'm
guessing to deal with an older version of clang assembler.)

It's unclear to me which of clang or binutils is "correct" or if this is
even a well-defined notion beyond "whatever binutils does". But I will
note that https://github.com/openssl/openssl/pull/4669 suggests binutils
has also changed behavior around this before.

Reviewed-by: Andy Polyakov <appro at openssl.org>
Reviewed-by: Rich Salz <rsalz at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5431)

(cherry picked from commit 8a5d8bc4bc1e835b62d988ad63454540be83d862)

View the changeset: https://github.com/openssl/openssl/compare/5eb9a426d953...fa9ab9ee91c2

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