David Benjamin 38636aba74 Hide CPU capability symbols in C. ... Our assembly does not use the GOT to reference symbols, which means references to visible symbols will often require a TEXTREL. This is undesirable, so all assembly-referenced symbols should be hidden. CPU capabilities are the only such symbols defined in C. These symbols may be hidden by doing at least one of: 1. Build with -fvisibility=hidden 2. __attribute__((visibility("hidden"))) in C. 3. .extern + .hidden in some assembly file referencing the symbol. We have lots of consumers and can't always rely on (1) happening. We were doing (3) by way of d216b71f90 and 16e38b2b8f, but missed 32-bit x86 because it doesn't cause a linker error. Those two patches are not in upstream. Upstream instead does (3) by way of x86cpuid.pl and friends, but we have none of these files. Standardize on doing (2). This avoids accidentally getting TEXTRELs on some 32-bit x86 build configurations. This also undoes d216b71f90 and 16e38b2b8f. They are no now longer needed and reduce the upstream diff. Change-Id: Ib51c43fce6a7d8292533635e5d85d3c197a93644 Reviewed-on: https://boringssl-review.googlesource.com/22064 Commit-Queue: Matt Braithwaite <mab@google.com> Reviewed-by: Matt Braithwaite <mab@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>		2017-10-23 18:36:49 +00:00
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sha1-586.pl
sha1-armv4-large.pl	Hide CPU capability symbols in C.	2017-10-23 18:36:49 +00:00
sha1-armv8.pl
sha1-x86_64.pl
sha256-586.pl
sha256-armv4.pl	Hide CPU capability symbols in C.	2017-10-23 18:36:49 +00:00
sha512-586.pl
sha512-armv4.pl	Hide CPU capability symbols in C.	2017-10-23 18:36:49 +00:00
sha512-armv8.pl
sha512-x86_64.pl