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58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
"""Toolchain utilities for memory analysis."""
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from __future__ import annotations
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import logging
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from pathlib import Path
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import subprocess
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_LOGGER = logging.getLogger(__name__)
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# Platform-specific toolchain prefixes
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TOOLCHAIN_PREFIXES = [
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"xtensa-lx106-elf-", # ESP8266
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"xtensa-esp32-elf-", # ESP32
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"xtensa-esp-elf-", # ESP32 (newer IDF)
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"", # System default (no prefix)
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]
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def find_tool(
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tool_name: str,
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objdump_path: str | None = None,
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) -> str | None:
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"""Find a toolchain tool by name.
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First tries to derive the tool path from objdump_path (if provided),
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then falls back to searching for platform-specific tools.
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Args:
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tool_name: Name of the tool (e.g., "objdump", "nm", "c++filt")
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objdump_path: Path to objdump binary to derive other tool paths from
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Returns:
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Path to the tool or None if not found
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"""
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# Try to derive from objdump path first (most reliable)
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if objdump_path and objdump_path != "objdump":
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objdump_file = Path(objdump_path)
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# Replace just the filename portion, preserving any prefix (e.g., xtensa-esp32-elf-)
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new_name = objdump_file.name.replace("objdump", tool_name)
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potential_path = str(objdump_file.with_name(new_name))
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if Path(potential_path).exists():
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_LOGGER.debug("Found %s at: %s", tool_name, potential_path)
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return potential_path
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# Try platform-specific tools
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for prefix in TOOLCHAIN_PREFIXES:
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cmd = f"{prefix}{tool_name}"
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try:
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subprocess.run([cmd, "--version"], capture_output=True, check=True)
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_LOGGER.debug("Found %s: %s", tool_name, cmd)
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return cmd
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except (subprocess.CalledProcessError, FileNotFoundError):
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continue
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_LOGGER.warning("Could not find %s tool", tool_name)
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return None
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