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detect_process_arch() updated to work for armv7

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Nicolas Kruse 2025-11-23 21:04:50 +01:00 committed by Nicolas Kruse
parent 4504abf5cb
commit 1a062760f7
1 changed files with 4 additions and 20 deletions
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24
src/copapy/_stencils.py
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@ -48,9 +48,10 @@ def detect_process_arch() -> str:
arch_family = 'x86'
elif arch in ('arm64', 'aarch64'):
arch_family = 'arm64'
elif 'arm' in arch:
# Detect specific ARM version for Raspberry Pi (v6, v7, etc.)
arch_family = _detect_arm_version()
elif 'armv7' in arch or 'armv8' in arch:
arch_family = 'armv7' # Treat armv8 (64 bit CPU) as armv7 for 32 bit
elif 'armv6' in arch:
arch_family = 'armv6'
elif 'mips' in arch:
arch_family = 'mips64' if bits == 64 else 'mips'
elif 'riscv' in arch:
@ -61,23 +62,6 @@ def detect_process_arch() -> str:
return arch_family
def _detect_arm_version() -> str:
"""Detect specific ARM version from /proc/cpuinfo on Linux.
"""
with open('/proc/cpuinfo', 'r') as f:
cpuinfo = f.read()
# Look for "CPU Architecture:" field which contains version info
for line in cpuinfo.split('\n'):
if line.startswith('CPU Architecture:'):
# Extracts "ARMv6", "ARMv7", "ARMv8", etc.
arch_str = line.split(':')[1].strip().lower()
if 'armv6' in arch_str:
return 'armv6'
elif 'armv7' in arch_str or 'armv8' in arch_str:
return 'armv7' # ARMv8 in 32-bit -> armv7 compatible
raise NotImplementedError(f"Unsupported ARM architecture version. CPU info: {cpuinfo}")
def get_return_function_type(symbol: elf_symbol) -> str:
if symbol.relocations:
for reloc in reversed(symbol.relocations):