From: Sami Tolvanen <samitolvanen@google.com>
To: Alex Matveev <alxmtvv@gmail.com>, Andi Kleen <ak@linux.intel.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Greg Hackmann <ghackmann@google.com>,
Kees Cook <keescook@chromium.org>,
linux-arm-kernel@lists.infradead.org,
linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
Mark Rutland <mark.rutland@arm.com>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>,
Michal Marek <michal.lkml@markovi.net>,
Nick Desaulniers <ndesaulniers@google.com>,
Yury Norov <ynorov@caviumnetworks.com>,
Matthias Kaehlcke <mka@chromium.org>,
Nicholas Piggin <npiggin@gmail.com>
Cc: Sami Tolvanen <samitolvanen@google.com>
Subject: [PATCH 2/7] kbuild: add ld-if-name-version and linker-specific macros
Date: Wed, 29 Nov 2017 15:44:37 -0800 [thread overview]
Message-ID: <20171129234442.655-3-samitolvanen@google.com> (raw)
In-Reply-To: <20171129234442.655-1-samitolvanen@google.com>
Add macros for testing both linker name and version.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
---
scripts/Kbuild.include | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index a7c7843c2cf1..5d286d69e8dc 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -289,6 +289,18 @@ ld-version = $(call shell-cached,$(LD) --version | $(srctree)/scripts/ld-version
# Usage: $(call ld-ifversion, -ge, 22252, y)
ld-ifversion = $(shell [ $(ld-version) $(1) $(2) ] && echo $(3) || echo $(4))
+# ld-if-name-version
+# Usage: $(call ld-if-name-version, gold, -ge, 112000000, y)
+ld-if-name-version = $(shell [ $(ld-name) == $(1) ] && [ $(ld-version) $(2) $(3) ] && echo $(4) || echo $(5))
+
+# bfd-ifversion
+# Usage: $(call bfd-ifversion, -ge, 227000000, y)
+bfd-ifversion = $(call ld-if-name-version, bfd, $(1), $(2), $(3), $(4))
+
+# gold-ifversion
+# Usage: $(call gold-ifversion, -ge, 112000000, y)
+gold-ifversion = $(call ld-if-name-version, gold, $(1), $(2), $(3), $(4))
+
######
###
--
2.15.0.531.g2ccb3012c9-goog
next prev parent reply other threads:[~2017-11-29 23:45 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-29 23:44 [PATCH 0/7] Add support for GNU gold Sami Tolvanen
2017-11-29 23:44 ` [PATCH 1/7] kbuild: add ld-name macro and " Sami Tolvanen
2017-11-30 0:32 ` Nick Desaulniers
2017-11-30 17:38 ` Sami Tolvanen
2017-11-29 23:44 ` Sami Tolvanen [this message]
2017-11-29 23:44 ` [PATCH 3/7] kbuild: fix LD_DEAD_CODE_DATA_ELIMINATION with " Sami Tolvanen
2017-11-30 2:10 ` Nicholas Piggin
2017-11-29 23:44 ` [PATCH 4/7] arm64: fix -m for " Sami Tolvanen
2017-11-29 23:44 ` [PATCH 5/7] arm64: keep .altinstructions and .altinstr_replacement Sami Tolvanen
2017-11-29 23:57 ` Nick Desaulniers
2017-11-30 1:58 ` Nicholas Piggin
2017-11-30 17:00 ` Nick Desaulniers
2017-12-01 0:36 ` Nicholas Piggin
2017-11-30 17:48 ` Sami Tolvanen
2017-11-29 23:44 ` [PATCH 6/7] arm64: explicitly pass --no-fix-cortex-a53-843419 to GNU gold Sami Tolvanen
2017-11-30 0:30 ` Nick Desaulniers
2017-11-30 17:50 ` Sami Tolvanen
2017-11-29 23:44 ` [PATCH 7/7] arm64: add a workaround for GNU gold with ARM64_MODULE_PLTS Sami Tolvanen
2017-11-30 9:31 ` Ard Biesheuvel
2017-11-30 23:38 ` [PATCH v2 0/7] Add support for GNU gold Sami Tolvanen
2017-11-30 23:38 ` [PATCH v2 1/7] kbuild: fix LD_DEAD_CODE_DATA_ELIMINATION Sami Tolvanen
2017-11-30 23:39 ` [PATCH v2 2/7] arm64: keep .altinstructions and .altinstr_replacement Sami Tolvanen
2017-11-30 23:39 ` [PATCH v2 3/7] kbuild: add ld-name macro Sami Tolvanen
2017-11-30 23:39 ` [PATCH v2 4/7] kbuild: add __ld-ifversion and linker-specific macros Sami Tolvanen
2017-11-30 23:39 ` [PATCH v2 5/7] arm64: fix -m for GNU gold Sami Tolvanen
2017-11-30 23:39 ` [PATCH v2 6/7] arm64: explicitly pass --no-fix-cortex-a53-843419 to " Sami Tolvanen
2017-12-01 0:13 ` Nick Desaulniers
2017-11-30 23:39 ` [PATCH v2 7/7] arm64: add a workaround for GNU gold with ARM64_MODULE_PLTS Sami Tolvanen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20171129234442.655-3-samitolvanen@google.com \
--to=samitolvanen@google.com \
--cc=ak@linux.intel.com \
--cc=alxmtvv@gmail.com \
--cc=ard.biesheuvel@linaro.org \
--cc=ghackmann@google.com \
--cc=keescook@chromium.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kbuild@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=maxim.kuvyrkov@linaro.org \
--cc=michal.lkml@markovi.net \
--cc=mka@chromium.org \
--cc=ndesaulniers@google.com \
--cc=npiggin@gmail.com \
--cc=yamada.masahiro@socionext.com \
--cc=ynorov@caviumnetworks.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).