aprantl created this revision.
aprantl added reviewers: jasonmolenda, jingham, friss.
aprantl requested review of this revision.
In particular this affects how `target create --arch` is handled — it allowed
us to override the deployment target (a useful feature for the expression
evaluator), but the fat binary case didn't.
rdar://problem/66024437
https://reviews.llvm.org/D85049
Files:
lldb/source/Target/TargetList.cpp
lldb/test/API/macosx/universal/Makefile
lldb/test/API/macosx/universal/TestUniversal.py
Index: lldb/test/API/macosx/universal/TestUniversal.py
===================================================================
--- lldb/test/API/macosx/universal/TestUniversal.py
+++ lldb/test/API/macosx/universal/TestUniversal.py
@@ -1,7 +1,3 @@
-"""Test aspects of lldb commands on universal binaries."""
-
-
-
import unittest2
import os
import lldb
@@ -14,6 +10,7 @@
return "AVX2" in features.split()
class UniversalTestCase(TestBase):
+ """Test aspects of lldb commands on universal binaries."""
NO_DEBUG_INFO_TESTCASE = True
mydir = TestBase.compute_mydir(__file__)
@@ -39,9 +36,10 @@
# Create a target by the debugger.
target = self.dbg.CreateTargetWithFileAndTargetTriple(
- exe, "x86_64-apple-macosx")
+ exe, "x86_64-apple-macosx10.10")
self.assertTrue(target, VALID_TARGET)
- self.expect("image list -A -b", substrs=["x86_64 testit"])
+ self.expect("image list -t -b", substrs=["x86_64-apple-macosx10.9.0 testit"])
+ self.expect("target list", substrs=["testit", "arch=x86_64-apple-macosx10.10"])
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(
Index: lldb/test/API/macosx/universal/Makefile
===================================================================
--- lldb/test/API/macosx/universal/Makefile
+++ lldb/test/API/macosx/universal/Makefile
@@ -8,13 +8,13 @@
lipo -create -o testit $^
testit.x86_64h: testit.x86_64h.o
- $(CC) -isysroot $(SDKROOT) -arch x86_64h -o testit.x86_64h $<
+ $(CC) -isysroot $(SDKROOT) -target x86_64h-apple-macosx10.9 -o testit.x86_64h $<
testit.x86_64: testit.x86_64.o
- $(CC) -isysroot $(SDKROOT) -arch x86_64 -o testit.x86_64 $<
+ $(CC) -isysroot $(SDKROOT) -target x86_64-apple-macosx10.9 -o testit.x86_64 $<
testit.x86_64h.o: main.c
- $(CC) -isysroot $(SDKROOT) -g -O0 -arch x86_64h -c -o testit.x86_64h.o $<
+ $(CC) -isysroot $(SDKROOT) -g -O0 -target x86_64h-apple-macosx10.9-apple-macosx10.9-apple-macosx10.9-apple-macosx10.9 -c -o testit.x86_64h.o $<
testit.x86_64.o: main.c
- $(CC) -isysroot $(SDKROOT) -g -O0 -arch x86_64 -c -o testit.x86_64.o $<
+ $(CC) -isysroot $(SDKROOT) -g -O0 -target x86_64-apple-macosx10.9 -c -o testit.x86_64.o $<
Index: lldb/source/Target/TargetList.cpp
===================================================================
--- lldb/source/Target/TargetList.cpp
+++ lldb/source/Target/TargetList.cpp
@@ -104,6 +104,15 @@
}
bool prefer_platform_arch = false;
+ auto update_platform_arch = [&](const ArchSpec &module_arch) {
+ // If the OS or vendor weren't specified, then adopt the module's
+ // architecture so that the platform matching can be more accurate.
+ if (!platform_arch.TripleOSWasSpecified() ||
+ !platform_arch.TripleVendorWasSpecified()) {
+ prefer_platform_arch = true;
+ platform_arch = module_arch;
+ }
+ };
if (!user_exe_path.empty()) {
ModuleSpec module_spec(FileSpec(user_exe_path, FileSpec::Style::native));
@@ -150,21 +159,18 @@
}
} else {
// Only one arch and none was specified.
- prefer_platform_arch = true;
- platform_arch = matching_module_spec.GetArchitecture();
+ update_platform_arch(matching_module_spec.GetArchitecture());
}
}
} else if (arch.IsValid()) {
- // A (valid) architecture was specified.
+ // Fat binary. A (valid) architecture was specified.
module_spec.GetArchitecture() = arch;
if (module_specs.FindMatchingModuleSpec(module_spec,
- matching_module_spec)) {
- prefer_platform_arch = true;
- platform_arch = matching_module_spec.GetArchitecture();
- }
+ matching_module_spec))
+ update_platform_arch(matching_module_spec.GetArchitecture());
} else {
- // No architecture specified, check if there is only one platform for
- // all of the architectures.
+ // Fat binary. No architecture specified, check if there is
+ // only one platform for all of the architectures.
PlatformSP host_platform_sp = Platform::GetHostPlatform();
std::vector<PlatformSP> platforms;
for (size_t i = 0; i < num_specs; ++i) {
@@ -251,7 +257,8 @@
// If we have a valid architecture, make sure the current platform is
// compatible with that architecture.
if (!prefer_platform_arch && arch.IsValid()) {
- if (!platform_sp->IsCompatibleArchitecture(arch, false, &platform_arch)) {
+ ArchSpec compatible_arch;
+ if (!platform_sp->IsCompatibleArchitecture(arch, false, &compatible_arch)) {
platform_sp = Platform::GetPlatformForArchitecture(arch, &platform_arch);
if (!is_dummy_target && platform_sp)
debugger.GetPlatformList().SetSelectedPlatform(platform_sp);
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