Kconfig SourceCode GDB调试 *****
1、GDB&makefile
scripts->Makefile编译FLAGS -g
HOSTCC = gcc
HOSTCXX = g++
HOSTCFLAGS :=
HOSTCXXFLAGS :=
include $(srctree)/scripts/Kbuild.include HOSTCFLAGS += $(call hostcc-option,-Wall -Wstrict-prototypes -O2 -g -fomit-frame-pointer,)
HOSTCXXFLAGS += -O2
静态模式:
所有xxxconfig的目标都执行
%config: scripts_basic outputmakefile FORCE customer
customer:
../code/tools/gen_radisson_customer.pl -C ../CUS_FILE config: scripts_basic outputmakefile FORCE customer
# $(Q)mkdir -p include
$(Q)$(MAKE) $(build)=scripts/kconfig $@
$(Q)$(MAKE) -C $(srctree) KBUILD_SRC= .kernelrelease %config: scripts_basic outputmakefile FORCE customer
# $(Q)mkdir -p include
$(Q)$(MAKE) $(build)=scripts/kconfig $@
$(Q)$(MAKE) -C $(srctree) KBUILD_SRC= .kernelrelease
Makefile的执行过程:
../code/tools/gen_radisson_customer.pl -C ../CUS_FILE make -f scripts/Makefile.build obj=scripts/kconfig menuconfig
set -e; echo ' HOSTCC scripts/kconfig/conf.o';
gcc -Wp,-MD,scripts/kconfig/.conf.o.d -Wall -Wstrict-prototypes -O2 -g -fomit-frame-pointer \
-c -o scripts/kconfig/conf.o scripts/kconfig/conf.c; scripts/basic/fixdep scripts/kconfig/.conf.o.d scripts/kconfig/conf.o \
'gcc -Wp,-MD,scripts/kconfig/.conf.o.d -Wall -Wstrict-prototypes -O2 -g -fomit-frame-pointer -c -o scripts/kconfig/conf.o scripts/kconfig/conf.c' \
> scripts/kconfig/.conf.o.tmp; rm -f scripts/kconfig/.conf.o.d; mv -f scripts/kconfig/.conf.o.tmp scripts/kconfig/.conf.o.cmd
set -e; echo ' HOSTCC scripts/kconfig/kxgettext.o';
gcc -Wp,-MD,scripts/kconfig/.kxgettext.o.d -Wall -Wstrict-prototypes -O2 -g -fomit-frame-pointer -c -o scripts/kconfig/kxgettext.o scripts/kconfig/kxgettext.c; scripts/basic/fixdep scripts/kconfig/.kxgettext.o.d scripts/kconfig/kxgettext.o
'gcc -Wp,-MD,scripts/kconfig/.kxgettext.o.d -Wall -Wstrict-prototypes -O2 -g -fomit-frame-pointer -c -o scripts/kconfig/kxgettext.o scripts/kconfig/kxgettext.c' > scripts/kconfig/.kxgettext.o.tmp;
rm -f scripts/kconfig/.kxgettext.o.d;
mv -f scripts/kconfig/.kxgettext.o.tmp scripts/kconfig/.kxgettext.o.cmd
set -e; echo ' HOSTCC scripts/kconfig/mconf.o';
gcc -Wp,-MD,scripts/kconfig/.mconf.o.d -Wall -Wstrict-prototypes -O2 -g -fomit-frame-pointer -c -o scripts/kconfig/mconf.o scripts/kconfig/mconf.c; scripts/basic/fixdep scripts/kconfig/.mconf.o.d scripts/kconfig/mconf.o
'gcc -Wp,-MD,scripts/kconfig/.mconf.o.d -Wall -Wstrict-prototypes -O2 -g -fomit-frame-pointer -c -o scripts/kconfig/mconf.o scripts/kconfig/mconf.c' > scripts/kconfig/.mconf.o.tmp; rm -f scripts/kconfig/.mconf.o.d;
mv -f scripts/kconfig/.mconf.o.tmp scripts/kconfig/.mconf.o.cmd
set -e; echo ' HOSTCC scripts/kconfig/zconf.tab.o';
gcc -Wp,-MD,scripts/kconfig/.zconf.tab.o.d -Wall -Wstrict-prototypes -O2 -g -fomit-frame-pointer -Iscripts/kconfig -c -o scripts/kconfig/zconf.tab.o scripts/kconfig/zconf.tab.c; scripts/basic/fixdep scripts/kconfig/.zconf.tab.o.d scripts/kconfig/zconf.tab.o
'gcc -Wp,-MD,scripts/kconfig/.zconf.tab.o.d -Wall -Wstrict-prototypes -O2 -g -fomit-frame-pointer -Iscripts/kconfig -c -o scripts/kconfig/zconf.tab.o scripts/kconfig/zconf.tab.c' > scripts/kconfig/.zconf.tab.o.tmp;
rm -f scripts/kconfig/.zconf.tab.o.d;
mv -f scripts/kconfig/.zconf.tab.o.tmp scripts/kconfig/.zconf.tab.o.cmd
set -e; echo ' HOSTLD scripts/kconfig/mconf';
gcc -o scripts/kconfig/mconf scripts/kconfig/mconf.o scripts/kconfig/zconf.tab.o ; echo 'cmd_scripts/kconfig/mconf := gcc -o scripts/kconfig/mconf scripts/kconfig/mconf.o scripts/kconfig/zconf.tab.o ' > scripts/kconfig/.mconf.cmd
make -f scripts/Makefile.build obj=scripts/kconfig/lxdialog set -e; echo ' HOSTLD scripts/kconfig/lxdialog/lxdialog';
gcc -o scripts/kconfig/lxdialog/lxdialog scripts/kconfig/lxdialog/checklist.o scripts/kconfig/lxdialog/menubox.o scripts/kconfig/lxdialog/textbox.o scripts/kconfig/lxdialog/yesno.o scripts/kconfig/lxdialog/inputbox.o scripts/kconfig/lxdialog/util.o scripts/kconfig/lxdialog/lxdialog.o scripts/kconfig/lxdialog/msgbox.o -lncursesw ; echo 'cmd_scripts/kconfig/lxdialog/lxdialog := gcc -o scripts/kconfig/lxdialog/lxdialog scripts/kconfig/lxdialog/checklist.o scripts/kconfig/lxdialog/menubox.o scripts/kconfig/lxdialog/textbox.o scripts/kconfig/lxdialog/yesno.o scripts/kconfig/lxdialog/inputbox.o scripts/kconfig/lxdialog/util.o scripts/kconfig/lxdialog/lxdialog.o scripts/kconfig/lxdialog/msgbox.o -lncursesw ' > scripts/kconfig/lxdialog/.lxdialog.cmd
/bin/sh /home/kk/share/bak/512c/scripts_0925/scripts/kconfig/lxdialog/check-lxdialog.sh -check gcc -DCURSES_LOC="<ncurses.h>" -DLOCALE -lncursesw
:
gdb scripts/kconfig/mconf Config.in
make -C /home/kk/share/bak/512c/scripts_0925 KBUILD_SRC= .kernelrelease
源代码
整个UI的节点保存在“rootmenu”为“head”节点的链表中,即“rootmenu”为跟节点,“rootmenu”没有兄弟节点及父节点。
struct menu {
struct menu *next; //兄弟节点
struct menu *parent; //父节点
struct menu *list; //子节点链表,即下一级菜单的链表
struct symbol *sym; //节点符号
struct property *prompt; //节点提示符
struct expr *dep; //依赖
unsigned int flags;
//char *help;
struct file *file;
int lineno;
void *data;
};
如下图的UI:
节点图:
(gdb) p rootmenu
$ = {next = 0x0, parent = 0x0, list = 0x806bfe0, sym = 0x0, prompt = 0x8063d00, dep = 0x0, flags = , file = 0x0, lineno = , data = 0x0}
(gdb) p *rootmenu.list
$ = {next = 0x8067e70, parent = 0x8062a80 <rootmenu>, list = 0x806c0f8, sym = 0x806bfa0, prompt = 0x806c058, dep = 0x0, flags = ,
file = 0x8067d98, lineno = , data = 0x0}
(gdb) p *rootmenu.list->prompt
$ = {next = 0x0, sym = 0x806bfa0, type = P_PROMPT, text = 0x806c040 "BUILD_RECORD", visible = {expr = 0x0, tri = yes}, expr = 0x0,
menu = 0x806bfe0, file = 0x8067d98, lineno = }
(gdb) p *rootmenu.list->next->prompt
$ = {next = 0x0, sym = 0x8067e30, type = P_PROMPT, text = 0x8067ed0 "AQ", visible = {expr = 0x0, tri = yes}, expr = 0x0, menu = 0x8067e70,
file = 0x8067df8, lineno = }
(gdb) p *rootmenu.list->next->next->prompt
$ = {next = 0x0, sym = 0x0, type = P_MENU, text = 0x8067ff0 "System Application", visible = {expr = 0x0, tri = no}, expr = 0x0, menu = 0x8068018,
file = 0x8067fa8, lineno = }
(gdb) p *rootmenu.list->next->next->list->prompt
$ = {next = 0x0, sym = 0x8068078, type = P_PROMPT, text = 0x8068828 "System APP", visible = {expr = 0x0, tri = yes}, expr = 0x0, menu = 0x80687c8,
file = 0x8067fa8, lineno = }
(gdb) p *rootmenu.list->next->next->list->next
$ = {next = 0x8068dd0, parent = 0x8068018, list = 0x0, sym = 0x8068ce8, prompt = 0x0, dep = 0x8068d58, flags = , file = 0x8067fa8, lineno = ,
data = 0x0}
(gdb) p *rootmenu.list->next->next->list->next->next->prompt
$ = {next = 0x0, sym = 0x0, type = P_MENU, text = 0x8068da8 "Product Location Select", visible = {expr = 0x0, tri = no}, expr = 0x0,
menu = 0x8068dd0, file = 0x8067fa8, lineno = }
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