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tools/dwarves: update to v1.27

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Update to the latest upstream version and add a patch that enables pahole
reproducible builds if SOURCE_DATE_EPOCH is defined in the environment.

This patch helps avoid BTF-related module loading problems with packages
built separately from the kernel such as mac80211 or kselftests-bpf, e.g.:

    [   16.858856] BPF:      type_id=1185 bits_offset=0
    [   16.859099] BPF:
    [   16.859199] BPF: Invalid name
    [   16.859352] BPF:
    [   16.859612] failed to validate module [cfg80211] BTF: -22
    [   17.015178] PPP generic driver version 2.4.2
    [   17.052703] NET: Registered PF_PPPOX protocol family
    [   17.348722] BPF:      type_id=1185 bits_offset=0
    [   17.348912] BPF:
    [   17.348996] BPF: Invalid name
    [   17.349106] BPF:
    [   17.349220] failed to validate module [cfg80211] BTF: -22
    [   17.472070] kmodloader: 3 modules could not be probed
    [   17.473133] kmodloader: - cfg80211 - 0
    [   17.473762] kmodloader: dependency not loaded cfg80211
    [   17.474421] kmodloader: - mac80211 - 1
    [   17.474988] kmodloader: dependency not loaded mac80211
    [   17.475632] kmodloader: dependency not loaded cfg80211
    [   17.476263] kmodloader: - mac80211_hwsim - 2

    root@OpenWrt:/usr/libexec/kselftests-bpf# insmod bpf_testmod.ko
    [ 4735.776792] missing module BTF, cannot register kfuncs
    [ 4735.777371] missing module BTF, cannot register kfuncs
    [ 4735.777955] missing module BTF, cannot register kfuncs
    [ 4735.778452] missing module BTF, cannot register kfuncs

Release Notes: https://lore.kernel.org/bpf/ZmjBHWw-Q5hKBiwA@x1/

Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
Link: https://github.com/openwrt/openwrt/pull/15697
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Tony Ambardar 2024-02-28 15:04:57 -08:00 committed by Christian Marangi
parent f97da2c61a
commit 546559587f
No known key found for this signature in database
GPG Key ID: AC001D09ADBFEAD7
2 changed files with 14 additions and 2 deletions
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4
tools/dwarves/Makefile
View File

@ -3,12 +3,12 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=dwarves
PKG_VERSION:=1.26
PKG_VERSION:=1.27
PKG_RELEASE:=1
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_SOURCE_URL:=https://fedorapeople.org/~acme/dwarves/
PKG_HASH:=1d8c9a1c2d42e06cc121a70a39c4f621fd28f15c476ed1b7c7b226f41fdd32df
PKG_HASH:=ef7f21f1c6016896d03a01f05cab225151f9068e19cc8cddc6e754b2b5cbe279
PKG_MAINTAINER:=Tony Ambardar <itugrok@yahoo.com>
PKG_LICENSE:=GPL-2.0-only

12
tools/dwarves/patches/100-reproducible-builds.patch Normal file
View File

@ -0,0 +1,12 @@
--- a/pahole.c
+++ b/pahole.c
@@ -3723,6 +3723,9 @@ int main(int argc, char *argv[])
goto out;
}
+ if (getenv("SOURCE_DATE_EPOCH") || getenv("KBUILD_BUILD_TIMESTAMP"))
+ conf_load.reproducible_build = true;
+
if (dwarves__init()) {
fputs("pahole: insufficient memory\n", stderr);
goto out;