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In PPC64 ELF files, the st_other field indicates the number of prologue instructions between the global and local entry points. We add the instructions in the compiler and assembler if -shared is used. We were assuming that the instructions were present when building a c-archive or PIE or doing dynamic linking, on the assumption that those are the cases where the go tool would be building with -shared. That assumption fails when using some other tool, such as Bazel, that does not necessarily use -shared in exactly the same way. This CL records in the object file whether a symbol was compiled with -shared (this will be the same for all symbols in a given compilation) and uses that information when setting the st_other field. Fixes #20290. Change-Id: Ib2b77e16aef38824871102e3c244fcf04a86c6ea Reviewed-on: https://go-review.googlesource.com/43051 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Michael Hudson-Doyle <michael.hudson@canonical.com> Reviewed-by: Matthew Dempsky <mdempsky@google.com> |
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