[Lldb-commits] [lldb] [lldb] [scripting bridge] 167388 chore: add api to return arch name for target (PR #168273)

via lldb-commits lldb-commits at lists.llvm.org
Mon Nov 17 11:55:59 PST 2025 

================
@@ -105,6 +105,20 @@ def test_resolve_file_address(self):
         self.assertIsNotNone(data_section2)
         self.assertEqual(data_section.name, data_section2.name)
 
+    def test_get_arch_name(self):
+        d = {"EXE": "b.out"}
+        self.build(dictionary=d)
+        self.setTearDownCleanup(dictionary=d)
+        target = self.create_simple_target("b.out")
+
+        arch_name = target.arch_name
+        self.assertNotEqual(len(arch_name), 0, "Got an arch name string")
----------------
n2h9 wrote:

In that case `build` also does not take architecture into account, tried both `arch` and `architecture` :cry: .

```
        expected_arch = "aarch64"
        d = {
            "EXE": "b.out",
            "arch": expected_arch,
        }
        self.build(dictionary=d)

       ....

        print(">>>>")
        print(f"target.arch_name = {target.arch_name}")
        print("<<<<")

```

<details>
<summary>test command output with traces</summary>

```sh
./build/bin/lldb-dotest \
	-v -t -p TestTargetAPI.py \
	-f test_get_arch_name_dwarf \
	-f test_get_arch_name_dwo \
	-f test_get_arch_name_dsym \
	--arch aarch64 \
	lldb/test/API/python_api/target



/usr/bin/python3 /home/ubuntu/code/llvm-project/lldb/test/API/dotest.py --arch x86_64 -u CXXFLAGS -u CFLAGS --build-dir /home/ubuntu/code/llvm-project/build/lldb-test-build.noindex --executable /home/ubuntu/code/llvm-project/build/./bin/lldb --compiler /home/ubuntu/code/llvm-project/build/./bin/clang --dsymutil /home/ubuntu/code/llvm-project/build/./bin/dsymutil --make /usr/bin/gmake --lldb-libs-dir /home/ubuntu/code/llvm-project/build/./lib --llvm-tools-dir /home/ubuntu/code/llvm-project/build/./bin --lldb-obj-root /home/ubuntu/code/llvm-project/build/tools/lldb --cmake-build-type Debug -v -t -p TestTargetAPI.py -f test_get_arch_name_dwarf -f test_get_arch_name_dwo -f test_get_arch_name_dsym --arch aarch64 lldb/test/API/python_api/target
lldb version 22.0.0git (https://github.com/n2h9/fork-llvm-project revision 0dfb712313fa7689e936e572fde6ac99197806df)
  clang revision 0dfb712313fa7689e936e572fde6ac99197806df
  llvm revision 0dfb712313fa7689e936e572fde6ac99197806df
libc++ tests will not be run because: API tests require a locally built libc++.
msvcstl tests will not be run because: Don't know how to build with MSVC's STL on linux
objc tests will be skipped because of unsupported platform
Skipping the following test categories: ['libc++', 'msvcstl', 'dsym', 'pdb', 'gmodules', 'debugserver', 'objc']
adding filter spec TargetAPITestCase.test_get_arch_name_dwarf to module <module 'TestTargetAPI' from '/home/ubuntu/code/llvm-project/lldb/test/API/python_api/target/TestTargetAPI.py'>
adding filter spec TargetAPITestCase.test_get_arch_name_dwo to module <module 'TestTargetAPI' from '/home/ubuntu/code/llvm-project/lldb/test/API/python_api/target/TestTargetAPI.py'>
adding filter spec TargetAPITestCase.test_get_arch_name_dsym to module <module 'TestTargetAPI' from '/home/ubuntu/code/llvm-project/lldb/test/API/python_api/target/TestTargetAPI.py'>
compiler=/home/ubuntu/code/llvm-project/build/bin/clang

Configuration: arch=aarch64 compiler=/home/ubuntu/code/llvm-project/build/bin/clang
----------------------------------------------------------------------
Collected 3 tests

Change dir to: /home/ubuntu/code/llvm-project/lldb/test/API/python_api/target
1: test_get_arch_name_dwarf (TestTargetAPI.TargetAPITestCase.test_get_arch_name_dwarf) ... runCmd: settings clear --all

output: 

runCmd: settings set symbols.enable-external-lookup false

output: 

runCmd: settings set target.inherit-tcc true

output: 

runCmd: settings set target.disable-aslr false

output: 

runCmd: settings set target.detach-on-error false

output: 

runCmd: settings set target.auto-apply-fixits false

output: 

runCmd: settings set plugin.process.gdb-remote.packet-timeout 60

output: 

runCmd: settings set symbols.clang-modules-cache-path "/home/ubuntu/code/llvm-project/build/lldb-test-build.noindex/module-cache-lldb"

output: 

runCmd: settings set use-color false

output: 

runCmd: settings set show-statusline false

output: 

/usr/bin/gmake VPATH=/home/ubuntu/code/llvm-project/lldb/test/API/python_api/target -C /home/ubuntu/code/llvm-project/build/lldb-test-build.noindex/python_api/target/TestTargetAPI.test_get_arch_name_dwarf -I /home/ubuntu/code/llvm-project/lldb/test/API/python_api/target -I /home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make -f /home/ubuntu/code/llvm-project/lldb/test/API/python_api/target/Makefile MAKE_DSYM=NO all ARCH=aarch64 CC=/home/ubuntu/code/llvm-project/build/bin/clang CC_TYPE=clang CXX=/home/ubuntu/code/llvm-project/build/bin/clang++ LLVM_AR=/home/ubuntu/code/llvm-project/build/./bin/llvm-ar AR=/home/ubuntu/code/llvm-project/build/./bin/llvm-ar OBJCOPY=/home/ubuntu/code/llvm-project/build/./bin/llvm-objcopy STRIP=/home/ubuntu/code/llvm-project/build/./bin/llvm-strip ARCHIVER=/home/ubuntu/code/llvm-project/build/./bin/llvm-ar DWP=/home/ubuntu/code/llvm-project/build/./bin/llvm-dwp CLANG_MODULE_CACHE_DIR=/home/ubuntu/code/llvm-project/build/lldb-test-build.noindex/module-cache-clang LLDB_OBJ_ROOT=/home/ubuntu/code/llvm-project/build/tools/lldb EXE=b.out arch=aarch64 OS=Linux HOST_OS=Linux

gmake: Entering directory '/home/ubuntu/code/llvm-project/build/lldb-test-build.noindex/python_api/target/TestTargetAPI.test_get_arch_name_dwarf'
/home/ubuntu/code/llvm-project/build/bin/clang -g -O0   -I/home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make/../../../../..//include -I/home/ubuntu/code/llvm-project/build/tools/lldb/include -I/home/ubuntu/code/llvm-project/lldb/test/API/python_api/target -I/home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make -include /home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make/test_common.h -fno-limit-debug-info  -D_DEFAULT_SOURCE  -MT main.o -MD -MP -MF main.d -c -o main.o /home/ubuntu/code/llvm-project/lldb/test/API/python_api/target/main.c
/home/ubuntu/code/llvm-project/build/bin/clang main.o -g -O0   -I/home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make/../../../../..//include -I/home/ubuntu/code/llvm-project/build/tools/lldb/include -I/home/ubuntu/code/llvm-project/lldb/test/API/python_api/target -I/home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make -include /home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make/test_common.h -fno-limit-debug-info  -D_DEFAULT_SOURCE     --driver-mode=g++ -o "b.out"
gmake: Leaving directory '/home/ubuntu/code/llvm-project/build/lldb-test-build.noindex/python_api/target/TestTargetAPI.test_get_arch_name_dwarf'


>>>>
target.arch_name = x86_64
<<<<
ok
PASS: LLDB (/home/ubuntu/code/llvm-project/build/bin/clang-aarch64) :: test_get_arch_name_dwarf (TestTargetAPI.TargetAPITestCase.test_get_arch_name_dwarf)
2: test_get_arch_name_dwo (TestTargetAPI.TargetAPITestCase.test_get_arch_name_dwo) ... runCmd: settings clear --all

output: 

runCmd: settings set symbols.enable-external-lookup false

output: 

runCmd: settings set target.inherit-tcc true

output: 

runCmd: settings set target.disable-aslr false

output: 

runCmd: settings set target.detach-on-error false

output: 

runCmd: settings set target.auto-apply-fixits false

output: 

runCmd: settings set plugin.process.gdb-remote.packet-timeout 60

output: 

runCmd: settings set symbols.clang-modules-cache-path "/home/ubuntu/code/llvm-project/build/lldb-test-build.noindex/module-cache-lldb"

output: 

runCmd: settings set use-color false

output: 

runCmd: settings set show-statusline false

output: 

/usr/bin/gmake VPATH=/home/ubuntu/code/llvm-project/lldb/test/API/python_api/target -C /home/ubuntu/code/llvm-project/build/lldb-test-build.noindex/python_api/target/TestTargetAPI.test_get_arch_name_dwo -I /home/ubuntu/code/llvm-project/lldb/test/API/python_api/target -I /home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make -f /home/ubuntu/code/llvm-project/lldb/test/API/python_api/target/Makefile MAKE_DSYM=NO MAKE_DWO=YES all ARCH=aarch64 CC=/home/ubuntu/code/llvm-project/build/bin/clang CC_TYPE=clang CXX=/home/ubuntu/code/llvm-project/build/bin/clang++ LLVM_AR=/home/ubuntu/code/llvm-project/build/./bin/llvm-ar AR=/home/ubuntu/code/llvm-project/build/./bin/llvm-ar OBJCOPY=/home/ubuntu/code/llvm-project/build/./bin/llvm-objcopy STRIP=/home/ubuntu/code/llvm-project/build/./bin/llvm-strip ARCHIVER=/home/ubuntu/code/llvm-project/build/./bin/llvm-ar DWP=/home/ubuntu/code/llvm-project/build/./bin/llvm-dwp CLANG_MODULE_CACHE_DIR=/home/ubuntu/code/llvm-project/build/lldb-test-build.noindex/module-cache-clang LLDB_OBJ_ROOT=/home/ubuntu/code/llvm-project/build/tools/lldb EXE=b.out arch=aarch64 OS=Linux HOST_OS=Linux

gmake: Entering directory '/home/ubuntu/code/llvm-project/build/lldb-test-build.noindex/python_api/target/TestTargetAPI.test_get_arch_name_dwo'
/home/ubuntu/code/llvm-project/build/bin/clang -g -O0   -I/home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make/../../../../..//include -I/home/ubuntu/code/llvm-project/build/tools/lldb/include -I/home/ubuntu/code/llvm-project/lldb/test/API/python_api/target -I/home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make -include /home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make/test_common.h -fno-limit-debug-info  -gsplit-dwarf -D_DEFAULT_SOURCE  -MT main.o -MD -MP -MF main.d -c -o main.o /home/ubuntu/code/llvm-project/lldb/test/API/python_api/target/main.c
/home/ubuntu/code/llvm-project/build/bin/clang main.o -g -O0   -I/home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make/../../../../..//include -I/home/ubuntu/code/llvm-project/build/tools/lldb/include -I/home/ubuntu/code/llvm-project/lldb/test/API/python_api/target -I/home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make -include /home/ubuntu/code/llvm-project/lldb/packages/Python/lldbsuite/test/make/test_common.h -fno-limit-debug-info  -gsplit-dwarf -D_DEFAULT_SOURCE     --driver-mode=g++ -o "b.out"
gmake: Leaving directory '/home/ubuntu/code/llvm-project/build/lldb-test-build.noindex/python_api/target/TestTargetAPI.test_get_arch_name_dwo'


>>>>
target.arch_name = x86_64
<<<<
ok
PASS: LLDB (/home/ubuntu/code/llvm-project/build/bin/clang-aarch64) :: test_get_arch_name_dwo (TestTargetAPI.TargetAPITestCase.test_get_arch_name_dwo)
3: test_get_arch_name_dsym (TestTargetAPI.TargetAPITestCase.test_get_arch_name_dsym) ... skipped 'test case does not fall in any category of interest for this run'
UNSUPPORTED: LLDB (/home/ubuntu/code/llvm-project/build/bin/clang-aarch64) :: test_get_arch_name_dsym (TestTargetAPI.TargetAPITestCase.test_get_arch_name_dsym) (test case does not fall in any category of interest for this run) 
Restore dir to: /home/ubuntu/code/llvm-project

----------------------------------------------------------------------
Ran 3 tests in 0.659s

OK (skipped=1)
Session logs for test failures/errors/unexpected successes can be found in the test build directory

```



</details>

https://github.com/llvm/llvm-project/pull/168273

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