https://github.com/JDevlieghere updated
https://github.com/llvm/llvm-project/pull/151403
>From 436d8863eff7403ff2a367719dcf8488cd4c6457 Mon Sep 17 00:00:00 2001
From: Jonas Devlieghere <jo...@devlieghere.com>
Date: Wed, 30 Jul 2025 14:57:20 -0700
Subject: [PATCH] [lldb] Support Darwin cross compilation for remote Linux test
suite runs
Fix cross-compilation of test inferiors on Darwin, targeting remote
Linux. This requires specifying the target triple and using LLD for
linking.
Fixes #150806
---
.../packages/Python/lldbsuite/test/builders/builder.py | 5 ++++-
lldb/packages/Python/lldbsuite/test/configuration.py | 4 ++++
lldb/packages/Python/lldbsuite/test/dotest.py | 5 +++++
lldb/packages/Python/lldbsuite/test/dotest_args.py | 8 ++++++++
.../packages/Python/lldbsuite/test/make/Makefile.rules | 10 ++++++++++
5 files changed, 31 insertions(+), 1 deletion(-)
diff --git a/lldb/packages/Python/lldbsuite/test/builders/builder.py
b/lldb/packages/Python/lldbsuite/test/builders/builder.py
index ada6f9ff4a54f..96c7b3987d8a1 100644
--- a/lldb/packages/Python/lldbsuite/test/builders/builder.py
+++ b/lldb/packages/Python/lldbsuite/test/builders/builder.py
@@ -26,7 +26,7 @@ def getCompiler(self):
def getTriple(self, arch):
"""Returns the triple for the given architecture or None."""
- return None
+ return configuration.triple
def getExtraMakeArgs(self):
"""
@@ -37,6 +37,9 @@ def getExtraMakeArgs(self):
def getArchCFlags(self, architecture):
"""Returns the ARCH_CFLAGS for the make system."""
+ triple = self.getTriple(architecture)
+ if triple:
+ return ["ARCH_CFLAGS=-target {}".format(triple)]
return []
def getMake(self, test_subdir, test_name):
diff --git a/lldb/packages/Python/lldbsuite/test/configuration.py
b/lldb/packages/Python/lldbsuite/test/configuration.py
index b2d91fd211477..5e3810992d172 100644
--- a/lldb/packages/Python/lldbsuite/test/configuration.py
+++ b/lldb/packages/Python/lldbsuite/test/configuration.py
@@ -45,6 +45,9 @@
sdkroot = None
make_path = None
+# Allow specifying a triple for cross compilation.
+triple = None
+
# The overriden dwarf verison.
# Don't use this to test the current compiler's
# DWARF version, as this won't be set if the
@@ -141,6 +144,7 @@
# Typical values include Debug, Release, RelWithDebInfo and MinSizeRel
cmake_build_type = None
+
def shouldSkipBecauseOfCategories(test_categories):
if use_categories:
if (
diff --git a/lldb/packages/Python/lldbsuite/test/dotest.py
b/lldb/packages/Python/lldbsuite/test/dotest.py
index 24236e779e51d..31b48dc50bfaa 100644
--- a/lldb/packages/Python/lldbsuite/test/dotest.py
+++ b/lldb/packages/Python/lldbsuite/test/dotest.py
@@ -321,8 +321,13 @@ def parseOptionsAndInitTestdirs():
logging.error("No SDK found with the name %s; aborting...",
args.apple_sdk)
sys.exit(-1)
+ if args.triple:
+ configuration.triple = args.triple
+
if args.arch:
configuration.arch = args.arch
+ elif args.triple:
+ configuration.arch = args.triple.split("-")[0]
else:
configuration.arch = platform_machine
diff --git a/lldb/packages/Python/lldbsuite/test/dotest_args.py
b/lldb/packages/Python/lldbsuite/test/dotest_args.py
index e9c21388bc213..fce9e41cb5385 100644
--- a/lldb/packages/Python/lldbsuite/test/dotest_args.py
+++ b/lldb/packages/Python/lldbsuite/test/dotest_args.py
@@ -58,6 +58,14 @@ def create_parser():
"""Specify the path to sysroot. This overrides apple_sdk
sysroot."""
),
)
+ group.add_argument(
+ "--triple",
+ metavar="triple",
+ dest="triple",
+ help=textwrap.dedent(
+ """Specify the target triple. Used for cross compilation."""
+ ),
+ )
if sys.platform == "darwin":
group.add_argument(
"--apple-sdk",
diff --git a/lldb/packages/Python/lldbsuite/test/make/Makefile.rules
b/lldb/packages/Python/lldbsuite/test/make/Makefile.rules
index 8521ca508a479..4a26bc2da8a47 100644
--- a/lldb/packages/Python/lldbsuite/test/make/Makefile.rules
+++ b/lldb/packages/Python/lldbsuite/test/make/Makefile.rules
@@ -355,6 +355,16 @@ ifeq "$(OS)" "Windows_NT"
endif
endif
+#----------------------------------------------------------------------
+# Darwin cross compilation
+#----------------------------------------------------------------------
+ifeq "$(HOST_OS)" "Darwin"
+ ifneq "$(HOST_OS)" "$(OS)"
+ LDFLAGS += -fuse-ld=lld
+ endif
+endif
+
+
#----------------------------------------------------------------------
# C++ standard library options
#----------------------------------------------------------------------
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