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Cherry Zhang 526d99a49a [dev.link] cmd/internal/obj: handle content-addressable symbols with relocations
For content-addressable symbols with relocations, we build a
content hash based on its content and relocations. Depending on
the category of the referenced symbol, we choose different hash
algorithms such that the hash is globally consistent.

For now, we only support content-addressable symbols with
relocations when the current package's import path is known, so
that the symbol names are fully expanded. Otherwise, if the
referenced symbol is a named symbol whose name is not fully
expanded, the hash won't be globally consistent, and can cause
erroneous collisions. This is fine for now, as the deduplication
is just an optimization, not a requirement for correctness (until
we get to type descriptors).

Change-Id: I639e4e03dd749b5d71f0a55c2525926575b1ac30
Reviewed-on: https://go-review.googlesource.com/c/go/+/243142
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
2020-07-20 17:26:32 +00:00
.github
api go/printer: remove exported StdFormat flag 2020-07-17 02:15:01 +00:00
doc go/printer: remove exported StdFormat flag 2020-07-17 02:15:01 +00:00
lib/time lib/time, time/tzdata: update tz data to 2020a 2020-04-30 08:07:39 +00:00
misc cmd/link: fix GC data reading from shared library (attempt 2) 2020-07-01 14:41:56 +00:00
src [dev.link] cmd/internal/obj: handle content-addressable symbols with relocations 2020-07-20 17:26:32 +00:00
test cmd/compile: remove check that Zero's arg has the correct base type 2020-06-25 15:59:48 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
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