projects / thirdparty / kernel / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b18b0470 MY |
1 | #!/bin/sed -f |
| 2 | # SPDX-License-Identifier: GPL-2.0-only | |
| 3 | # | |
| 4 | # sed script to filter out symbols that are not needed for System.map, | |
| 5 | # or not suitable for kallsyms. The input should be 'nm -n <file>'. | |
| 6 | # | |
| 1da177e4 | 7 | # System.map is used by module-init tools and some debugging |
| 943ffb58 | 8 | # tools to retrieve the actual addresses of symbols in the kernel. |
| 1da177e4 | 9 | # |
| 1da177e4 LT |
10 | # readprofile starts reading symbols when _stext is found, and |
| 11 | # continue until it finds a symbol which is not either of 'T', 't', | |
| c1346169 MY |
12 | # 'W' or 'w'. |
| 13 | # | |
| c4802044 MY |
14 | # --------------------------------------------------------------------------- |
| 15 | # Ignored symbol types | |
| a2833d1b | 16 | # |
| c4802044 MY |
17 | |
| 18 | # a: local absolute symbols | |
| 19 | # N: debugging symbols | |
| 20 | # U: undefined global symbols | |
| 21 | # w: local weak symbols | |
| 22 | / [aNUw] /d | |
| 23 | ||
| 24 | # --------------------------------------------------------------------------- | |
| 25 | # Ignored prefixes | |
| 26 | # (do not forget a space before each pattern) | |
| 27 | ||
| 28 | # local symbols for ARM, MIPS, etc. | |
| ec336aa8 | 29 | / \\$/d |
| c4802044 MY |
30 | |
| 31 | # local labels, .LBB, .Ltmpxxx, .L__unnamed_xx, .LASANPC, etc. | |
| 32 | / \.L/d | |
| 33 | ||
| 320e7c9d MY |
34 | # arm64 EFI stub namespace |
| 35 | / __efistub_/d | |
| 36 | ||
| 200dd957 PCT |
37 | # arm64 local symbols in PIE namespace |
| 38 | / __pi_\\$/d | |
| 39 | / __pi_\.L/d | |
| 40 | ||
| 320e7c9d | 41 | # arm64 local symbols in non-VHE KVM namespace |
| ec336aa8 | 42 | / __kvm_nvhe_\\$/d |
| 320e7c9d MY |
43 | / __kvm_nvhe_\.L/d |
| 44 | ||
| a951884d AB |
45 | # lld arm/aarch64/mips thunks |
| 46 | / __[[:alnum:]]*Thunk_/d | |
| 320e7c9d MY |
47 | |
| 48 | # CFI type identifiers | |
| 49 | / __kcfi_typeid_/d | |
| 71025b85 PCT |
50 | / __kvm_nvhe___kcfi_typeid_/d |
| 51 | / __pi___kcfi_typeid_/d | |
| 320e7c9d | 52 | |
| c4802044 MY |
53 | # CRC from modversions |
| 54 | / __crc_/d | |
| 55 | ||
| 56 | # EXPORT_SYMBOL (symbol name) | |
| 57 | / __kstrtab_/d | |
| 58 | ||
| 59 | # EXPORT_SYMBOL (namespace) | |
| 60 | / __kstrtabns_/d | |
| 61 | ||
| 320e7c9d MY |
62 | # --------------------------------------------------------------------------- |
| 63 | # Ignored suffixes | |
| 64 | # (do not forget '$' after each pattern) | |
| 65 | ||
| 66 | # arm | |
| 67 | /_from_arm$/d | |
| 68 | /_from_thumb$/d | |
| 69 | /_veneer$/d | |
| 70 | ||
| c4802044 MY |
71 | # --------------------------------------------------------------------------- |
| 72 | # Ignored symbols (exact match) | |
| 73 | # (do not forget a space before and '$' after each pattern) | |
| 74 | ||
| 75 | # for LoongArch? | |
| 76 | / L0$/d | |
| ca09bf48 | 77 | |
| 320e7c9d MY |
78 | # ppc |
| 79 | / _SDA_BASE_$/d | |
| 80 | / _SDA2_BASE_$/d | |
| 81 | ||
| 82 | # --------------------------------------------------------------------------- | |
| 83 | # Ignored patterns | |
| 84 | # (symbols that contain the pattern are ignored) | |
| 85 | ||
| 86 | # ppc stub | |
| 87 | /\.long_branch\./d | |
| 88 | /\.plt_branch\./d |