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Paul E. Murphy 4cf79e479b cmd/link/internal/ppc64: link ELFv2 objects built with -mcpu=power10
Specifically, objects built via cgo using CGO_CFLAGS="-O2 -g -mcpu=power10".

These use new relocations defined by ELFv2 1.5, and the R_PPC64_REL24_NOTOC
relocation. These objects contain functions which may not use a TOC
pointer requiring the insertion of trampolines to use correctly.

The relocation targets of these ELFv2 objects may also contain non-zero
values. Clear the relocated bits before setting them.

Extra care is taken if GOPPC64 < power10. The R_PPC64_REL24_NOTOC reloc
existed prior to ELFv2 1.5. The presence of this relocation itself does
not imply a power10 target. Generate power8 compatible stubs if
GOPPC64 < power10.

Updates #44549

Change-Id: I06ff8c4e47ed9af835a7dcfbafcfa4c538f75544
Reviewed-on: https://go-review.googlesource.com/c/go/+/492617
Run-TryBot: Paul Murphy <murp@ibm.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2023-05-16 19:16:51 +00:00
.github doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
api net/http: let ErrNotSupported match errors.ErrUnsupported 2023-05-10 20:13:04 +00:00
doc doc: fix typo in Go 1.21 release notes 2023-04-24 18:13:34 +00:00
lib/time lib/time: update to 2023c/2023c 2023-05-03 20:14:11 +00:00
misc misc: remove misc/arm/a script 2023-05-15 15:42:24 +00:00
src cmd/link/internal/ppc64: link ELFv2 objects built with -mcpu=power10 2023-05-16 19:16:51 +00:00
test cmd/compile: make memcombine pass a bit more robust to reassociation of exprs 2023-05-16 19:13:26 +00:00
.gitattributes
.gitignore cmd/dist: refactor generated cgo-support logic 2023-04-20 17:26:46 +00:00
codereview.cfg
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: introduce GOROOT/go.env and move proxy/sumdb config there 2023-01-17 23:10:39 +00:00
LICENSE
PATENTS
README.md README: update from CC-BY-3.0 to CC-BY-4.0 2022-11-02 20:14:56 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00

The Go Programming Language

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