udebug: add new package
This will help with debugging by providing system wide access to per-process ring buffers with debug data. Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
parent
c4fe1bfc65
commit
bc6ee34c97
3 changed files with 141 additions and 0 deletions
82
package/libs/udebug/Makefile
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82
package/libs/udebug/Makefile
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#
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# Copyright (C) 2023 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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PKG_NAME:=udebug
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CMAKE_INSTALL:=1
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PKG_SOURCE_PROTO:=git
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PKG_SOURCE_URL=$(PROJECT_GIT)/project/udebug.git
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PKG_MIRROR_HASH:=3447dc6edd1b76f7ea5b9650a2aedcab69aba6048fa5ab7b1732cad592651fbc
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PKG_SOURCE_DATE:=2023-11-19
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PKG_SOURCE_VERSION:=44351435e28c6c878bf0a9054cb002704312d60e
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PKG_ABI_VERSION:=$(call abi_version_str,$(PKG_SOURCE_DATE))
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PKG_LICENSE:=GPL-2.0
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PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
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include $(INCLUDE_DIR)/package.mk
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include $(INCLUDE_DIR)/cmake.mk
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define Package/libudebug
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SECTION:=libs
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CATEGORY:=Libraries
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TITLE:=udebug client library
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DEPENDS:=+libubox
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endef
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define Package/udebugd
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SECTION:=utils
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CATEGORY:=Utilities
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TITLE:=OpenWrt debug service
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DEPENDS:=+libudebug +libubus
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endef
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define Package/udebugd/conffiles
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/etc/config/udebug
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endef
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define Package/ucode-mod-udebug
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SECTION:=utils
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CATEGORY:=Utilities
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TITLE:=ucode udebug module
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DEPENDS:=+libucode +libudebug
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endef
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define Package/udebug-cli
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SECTION:=utils
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CATEGORY:=Utilities
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TITLE:=OpenWrt debug service CLI
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DEPENDS:=+udebugd +ucode-mod-udebug
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endef
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define Package/libudebug/install
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$(INSTALL_DIR) $(1)/usr/lib
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$(CP) $(PKG_INSTALL_DIR)/usr/lib/*.so* $(1)/usr/lib
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endef
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define Package/ucode-mod-udebug/install
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$(INSTALL_DIR) $(1)/usr/lib/ucode
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$(CP) $(PKG_INSTALL_DIR)/usr/lib/ucode/*.so $(1)/usr/lib/ucode
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endef
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define Package/udebugd/install
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$(INSTALL_DIR) $(1)/usr/sbin $(1)/etc/init.d $(1)/etc/config
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$(INSTALL_BIN) ./files/udebug.config $(1)/etc/config/udebug
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$(INSTALL_BIN) ./files/udebug.init $(1)/etc/init.d/udebug
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$(CP) $(PKG_INSTALL_DIR)/usr/sbin/udebugd $(1)/usr/sbin
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endef
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define Package/udebug-cli/install
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$(INSTALL_DIR) $(1)/usr/sbin
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$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/udebug-cli $(1)/usr/sbin/udebug
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endef
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$(eval $(call BuildPackage,libudebug))
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$(eval $(call BuildPackage,udebugd))
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$(eval $(call BuildPackage,ucode-mod-udebug))
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$(eval $(call BuildPackage,udebug-cli))
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4
package/libs/udebug/files/udebug.config
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4
package/libs/udebug/files/udebug.config
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config service hostapd
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option enabled 0
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config service wpa_supplicant
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option enabled 0
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55
package/libs/udebug/files/udebug.init
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55
package/libs/udebug/files/udebug.init
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#!/bin/sh /etc/rc.common
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# Copyright (c) 2021 OpenWrt.org
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START=11
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USE_PROCD=1
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PROG=/usr/sbin/udebugd
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start_service() {
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procd_open_instance
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procd_set_param command "$PROG"
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procd_set_param respawn
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procd_close_instance
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}
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get_vars() {
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local cfg="$1"
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uci show "udebug.$cfg" | while read LINE; do
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cur="${LINE##udebug.$1.}"
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[[ "$cur" = "$LINE" ]] && continue
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var="${cur%%=*}"
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[[ "$cur" = "$var" ]] && continue
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echo "$var"
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done
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}
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add_debug_service() {
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local cfg="$1"
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json_add_object "$cfg"
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for var in $(get_vars "$cfg"); do
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config_get val "$cfg" "$var"
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json_add_string "$var" "$val"
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done
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json_close_object "$cfg"
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}
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reload_service() {
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config_load udebug
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json_init
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json_add_object service
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config_foreach add_debug_service service
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json_close_object
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ubus call udebug set_config "$(json_dump)"
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}
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service_triggers() {
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procd_add_reload_trigger udebug
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}
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service_started() {
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ubus -t 10 wait_for udebug
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[ $? = 0 ] && reload_service
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}
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