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Paul E. Murphy 82a1e0f9d3 cmd/link: make symbol data writable before toc fixup
On ppc64le, we need to insert a load to restore the toc
pointer in R2 after calling into plt stubs. Sometimes the
symbol data is loaded into readonly memory. This is the
case when linking with the race detector code.

Likewise, add extra checks to ensure we can, and are
replacing a nop.

Change-Id: Iea9d9ee7a5ba0f4ce285f4d0422823de1c037cb7
Reviewed-on: https://go-review.googlesource.com/c/go/+/304430
Run-TryBot: Paul Murphy <murp@ibm.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Lynn Boger <laboger@linux.vnet.ibm.com>
2021-03-25 17:01:28 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api syscall: restore broken GetQueuedCompletionStatus signature but make it not crash 2021-02-24 23:35:00 +00:00
doc cmd/go: assume Go 1.16 instead of Go 1.11 for dependencies that lack explicit 'go' directives 2021-03-19 19:59:56 +00:00
lib/time lib/time, time/tzdata: update tzdata to 2021a 2021-01-25 16:08:46 +00:00
misc cmd/compile, cmd/link: dynamically export writable static tmps 2021-03-16 23:14:54 +00:00
src cmd/link: make symbol data writable before toc fixup 2021-03-25 17:01:28 +00:00
test test: skip fixedbugs/issue36705 on Windows 2021-03-25 02:50:11 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add new e-mail addresses for Andy Pan 2021-03-12 02:56:04 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS A+C: add new e-mail addresses for Andy Pan 2021-03-12 02:56:04 +00:00
LICENSE
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README.md README: pull gopher image from website 2021-02-16 18:25:10 +00:00
SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00

The Go Programming Language

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