chore(core): move core/prof into core/src/prof

It would allow interning profiling-related QSTRs in debug emulator builds.

[no changelog]

core/SConscript.unix

@@ -771,6 +771,9 @@ if FROZEN:
         SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'apps/bitcoin/sign_tx/zcash_v4.py'))
         SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'trezor/enums/Zcash*.py'))
 
+    if PYOPT == '0':
+        SOURCE_PY.extend(Glob(SOURCE_PY_DIR + 'prof/*.py'))
+
 
     source_mpy = env.FrozenModule(
         source=SOURCE_PY,

core/embed/upymod/qstrdefsport.h

@@ -725,10 +725,13 @@ Q(DebugButton)
 Q(DebugPhysicalButton)
 Q(DebugSwipeDirection)
 Q(DebugWaitType)
+Q(__main__)
 Q(apps.debug)
 Q(apps.debug.load_device)
 Q(debug)
 Q(load_device)
+Q(prof)
+Q(prof.__main__)
 Q(storage.debug)
 Q(trezor.enums.DebugButton)
 Q(trezor.enums.DebugPhysicalButton)

core/embed/upymod/qstrdefsport.h.mako

@@ -13,6 +13,7 @@ PATTERNS = (
     "storage/**/*.py",
     "trezor/**/*.py",
     "apps/**/*.py",
+    "prof/*.py",
 )
 
 ALTCOINS = (
@@ -32,7 +33,7 @@ ALTCOINS = (
 
 ALTCOINS_RE = re.compile("|".join(ALTCOINS), flags=re.IGNORECASE)
 THP_RE = re.compile(r"\.thp", flags=re.IGNORECASE)
-DEBUG_RE = re.compile("debug", flags=re.IGNORECASE)
+DEBUG_RE = re.compile("debug|prof", flags=re.IGNORECASE)
 
 pyfiles = chain.from_iterable(sorted(SRCDIR.glob(p)) for p in PATTERNS)
 

core/emu.py

@@ -27,8 +27,6 @@ HERE = Path(__file__).resolve().parent
 MICROPYTHON = HERE / "build" / "unix" / "trezor-emu-core"
 SRC_DIR = HERE / "src"
 
-PROFILING_WRAPPER = HERE / "prof" / "prof.py"
-
 PROFILE_BASE = Path.home() / ".trezoremu"
 
 TREZOR_STORAGE_FILES = (
@@ -205,7 +203,7 @@ def cli(
         raise click.ClickException("Cannot load mnemonics in production mode")
 
     if profiling or alloc_profiling:
-        main_args = [str(PROFILING_WRAPPER)]
+        main_args = ["-m", "prof"]
     elif main:
         main_args = [main]
     else:

core/mocks/micropython.pyi

@@ -8,3 +8,4 @@ def mem_current() -> int: ...
 def mem_total() -> int: ...
 def mem_peak() -> int: ...
 def stack_use() -> int: ...
+def alloc_count() -> int: ...

core/mocks/uio.pyi

@@ -1,4 +1,9 @@
-class FileIO: ...
+class FileIO:
+    def __enter__(self) -> FileIO: ...
+
+    def __exit__(*args) -> None: ...
+
+    def write(self, data: bytes | str) -> int: ...
 
 class StringIO:
     def __init__(self, _: Union[int, str]) -> None: ...

tests/conftest.py

@@ -64,11 +64,10 @@ def _emulator_wrapper_main_args() -> list[str]:
     """Look at TREZOR_PROFILING env variable, so that we can generate coverage reports."""
     do_profiling = os.environ.get("TREZOR_PROFILING") == "1"
     if do_profiling:
-        core_dir = HERE.parent / "core"
-        profiling_wrapper = core_dir / "prof" / "prof.py"
+        src_dir = HERE.parent / "core" / "src"
         # So that the coverage reports have the correct paths
-        os.environ["TREZOR_SRC"] = str(core_dir / "src")
-        return [str(profiling_wrapper)]
+        os.environ["TREZOR_SRC"] = str(src_dir)
+        return ["-m", "prof"]
     else:
         return ["-m", "main"]