mirror of
https://github.com/JakeHillion/drgn.git
synced 2024-12-23 01:33:06 +00:00
4a2734bc74
libdrgn/include/elf.h no longer has the definitions that the script needs. Update it to use the system elf.h and update tests/elf.py with one new definition. Also make scripts/gen_elf_compat.py read elf.h in the same way. Signed-off-by: Omar Sandoval <osandov@osandov.com>
107 lines
2.5 KiB
Python
Executable File
107 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) Meta Platforms, Inc. and affiliates.
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# SPDX-License-Identifier: LGPL-2.1-or-later
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import argparse
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import re
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import subprocess
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# Macros missing from glibc 2.17, which is the oldest version we test against
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# (when we build manylinux2014 wheels).
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MACROS = (
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# Added in glibc 2.18.
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"NT_FILE",
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# Added in glibc 2.24.
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"EM_RISCV",
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# Added in glibc 2.27.
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# We don't need all of the RISC-V relocation types, but it doesn't hurt.
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"R_RISCV_NONE",
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"R_RISCV_32",
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"R_RISCV_64",
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"R_RISCV_RELATIVE",
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"R_RISCV_COPY",
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"R_RISCV_JUMP_SLOT",
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"R_RISCV_TLS_DTPMOD32",
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"R_RISCV_TLS_DTPMOD64",
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"R_RISCV_TLS_DTPREL32",
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"R_RISCV_TLS_DTPREL64",
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"R_RISCV_TLS_TPREL32",
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"R_RISCV_TLS_TPREL64",
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# Added in glibc 2.28.
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"R_RISCV_BRANCH",
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"R_RISCV_JAL",
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"R_RISCV_CALL",
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"R_RISCV_CALL_PLT",
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"R_RISCV_GOT_HI20",
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"R_RISCV_TLS_GOT_HI20",
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"R_RISCV_TLS_GD_HI20",
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"R_RISCV_PCREL_HI20",
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"R_RISCV_PCREL_LO12_I",
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"R_RISCV_PCREL_LO12_S",
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"R_RISCV_HI20",
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"R_RISCV_LO12_I",
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"R_RISCV_LO12_S",
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"R_RISCV_TPREL_HI20",
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"R_RISCV_TPREL_LO12_I",
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"R_RISCV_TPREL_LO12_S",
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"R_RISCV_TPREL_ADD",
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"R_RISCV_ADD8",
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"R_RISCV_ADD16",
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"R_RISCV_ADD32",
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"R_RISCV_ADD64",
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"R_RISCV_SUB8",
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"R_RISCV_SUB16",
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"R_RISCV_SUB32",
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"R_RISCV_SUB64",
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"R_RISCV_GNU_VTINHERIT",
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"R_RISCV_GNU_VTENTRY",
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"R_RISCV_ALIGN",
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"R_RISCV_RVC_BRANCH",
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"R_RISCV_RVC_JUMP",
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"R_RISCV_RVC_LUI",
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"R_RISCV_GPREL_I",
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"R_RISCV_GPREL_S",
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"R_RISCV_TPREL_I",
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"R_RISCV_TPREL_S",
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"R_RISCV_RELAX",
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"R_RISCV_SUB6",
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"R_RISCV_SET6",
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"R_RISCV_SET8",
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"R_RISCV_SET16",
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"R_RISCV_SET32",
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"R_RISCV_32_PCREL",
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# Added in glibc 2.30.
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"NT_ARM_PAC_MASK",
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)
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def main() -> None:
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argparse.ArgumentParser(
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description="Generate definitions missing from older versions of glibc for libdrgn/include/elf.h from elf.h"
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).parse_args()
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contents = subprocess.check_output(
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["gcc", "-dD", "-E", "-"],
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input="#include <elf.h>\n",
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universal_newlines=True,
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)
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macros = {
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match.group(1): match.group(2)
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for match in re.finditer(
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r"^\s*#\s*define\s+(" + "|".join(MACROS) + r")\s+(.*)",
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contents,
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re.MULTILINE,
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)
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}
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print("// Generated by scripts/gen_elf_compat.py.")
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for macro in MACROS:
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print("#ifndef", macro)
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print("#define", macro, macros[macro])
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print("#endif")
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if __name__ == "__main__":
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main()
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