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Go is only capable of producing internally linked, static binaries
on linux-ppc64. As such, binaries should run in either ELFv1 or
ELFv2 ppc64 userspaces today.
This opens the door to enabling cgo and external linking which
will require ELFv2 support and userspace, eventually.
Fixes #76244
Change-Id: I5ca15037cbe546f352e8693dcf14da51a308b8ca
Reviewed-on: https://go-review.googlesource.com/c/go/+/734540
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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This reapplies CL 481075, which was a reappliation of CL 478917.
This CL has been reverted twice now due to conflicts with CL 392854 /
CL 481061, which had bugs and had to be reverted.
Now this CL skips the conflicting changes to runtime/cgo/asm_ppc64x.s,
which will be merged directly into a new version of CL 392854 /
CL 481061. That way, if there are _more_ issues, this CL need not be
involved in any more reverts.
Change-Id: I2801b918faf9418dd0edff19f2a63f4d9e08896c
Reviewed-on: https://go-review.googlesource.com/c/go/+/485335
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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on PPC64"""
This reverts CL 481075 (a re-apply of previously reverted CL 478917).
Reason for revert: CL 481061 causes C TSAN failures and must be
reverted. See CL 485275. This CL depends on CL 481061.
For #59678.
Change-Id: I4bf7f43d9df1ae28e04cd4065552bcbee82ef13f
Reviewed-on: https://go-review.googlesource.com/c/go/+/485316
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
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This reverts CL 481059, which in turn reverts CL 478917.
Reason for revert: reapply the original CL.
Change-Id: Icf6bb6a620313b44fadcc7f69a62fdbb943e34fd
Reviewed-on: https://go-review.googlesource.com/c/go/+/481075
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: Paul Murphy <murp@ibm.com>
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This reverts CL 478917.
Reason for revert: need to revert CL 392854, and this caused a conflict.
Change-Id: I02c3285de5635b431a99adc8790c8310d1c4e6a2
Reviewed-on: https://go-review.googlesource.com/c/go/+/481059
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
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This is a cleanup to allow a consistent definitions of a function
descriptor on code shared between AIX and Linux. They need to be
declared in slightly different ways, but we can hide that in one
macro.
And, update all usage.
Change-Id: I10f3580473db555b4fb4d2597b856f3a67d01a53
Reviewed-on: https://go-review.googlesource.com/c/go/+/478917
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Paul Murphy <murp@ibm.com>
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R0 needs to be cleared at startup as it may not always be cleared
by the kernel on newer kernels.
Fixes #54547
Change-Id: Id7055699aaa8d8b193b7e3e784f075ce29ac3f1d
Reviewed-on: https://go-review.googlesource.com/c/go/+/424927
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
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Some files have no copyright notice.
The copyright time is the earliest modification record of the file.
Change-Id: I5698bae16b6b73543e074415877a03348f792951
Reviewed-on: https://go-review.googlesource.com/c/go/+/246378
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
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We should be able to build docker after this get applied.
Updates #13192
Change-Id: I5378d3518fac52d6bd4c97828884c1b382b7ace5
GitHub-Last-Rev: 210b7bc2e172f641f1102982e04542bf73a1aa46
GitHub-Pull-Request: golang/go#28546
Reviewed-on: https://go-review.googlesource.com/c/146898
Reviewed-by: Jiang Ma <ma.jiang@zte.com.cn>
Reviewed-by: Clément Chigot <clement.chigot@atos.net>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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PIC code on ppc64le uses R2 as a TOC pointer and when calling a function
through a function pointer must ensure the function pointer is in R12. These
rules are easy enough to follow unconditionally in our assembly, so do that.
Change-Id: Icfc4e47ae5dfbe15f581cbdd785cdeed6e40bc32
Reviewed-on: https://go-review.googlesource.com/15526
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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This implements support for calls to and from C in the ppc64 C ABI, as
well as supporting functionality such as an entry point from the
dynamic linker.
Change-Id: I68da6df50d5638cb1a3d3fef773fb412d7bf631a
Reviewed-on: https://go-review.googlesource.com/2009
Reviewed-by: Russ Cox <rsc@golang.org>
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Fixes #8654.
LGTM=austin
R=austin
CC=golang-codereviews
https://golang.org/cl/180600043
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