From 5f838f86aabed563975deb7cf01c04b96e1df0c8 Mon Sep 17 00:00:00 2001 From: qiuyiuestc Date: Sun, 21 Nov 2010 23:12:42 +0000 Subject: [PATCH] add libdl and extension examples git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1080 bbd45198-f89e-11dd-88c7-29a3b14d5316 --- components/module/SConstruct | 6 +++-- components/module/extapp/SConscript | 34 ++++++++++++++++++++++++ components/module/extapp/extapp.c | 35 +++++++++++++++++++++++++ components/module/extension/SConscript | 34 ++++++++++++++++++++++++ components/module/extension/extension.c | 33 +++++++++++++++++++++++ 5 files changed, 140 insertions(+), 2 deletions(-) create mode 100644 components/module/extapp/SConscript create mode 100644 components/module/extapp/extapp.c create mode 100644 components/module/extension/SConscript create mode 100644 components/module/extension/extension.c diff --git a/components/module/SConstruct b/components/module/SConstruct index ad16baf103..f7fdfd948a 100644 --- a/components/module/SConstruct +++ b/components/module/SConstruct @@ -32,5 +32,7 @@ Export('rtconfig') Export('projects') Export('TARGET') -SConscript(RTT_ROOT + '/components/module/tetris/SConscript', variant_dir='build/tetris', duplicate=0) -SConscript(RTT_ROOT + '/components/module/basicapp/SConscript', variant_dir='build/basicapp', duplicate=0) +SConscript(RTT_ROOT + '/components/module/tetris/SConscript', duplicate=0) +SConscript(RTT_ROOT + '/components/module/basicapp/SConscript', duplicate=0) +SConscript(RTT_ROOT + '/components/module/extension/SConscript', duplicate=0) +SConscript(RTT_ROOT + '/components/module/extapp/SConscript', duplicate=0) \ No newline at end of file diff --git a/components/module/extapp/SConscript b/components/module/extapp/SConscript new file mode 100644 index 0000000000..c3af53aba2 --- /dev/null +++ b/components/module/extapp/SConscript @@ -0,0 +1,34 @@ +Import('env') +Import('projects') +Import('RTT_ROOT') +Import('rtconfig') +Import('TARGET') + +RTMLINKER = RTT_ROOT + '/tools/rtmlinker.exe ' + +# group definitions +group = {} +group['name'] = 'examples' +group['src'] = Glob('*.c') +group['CCFLAGS'] = '' +group['CPPPATH'] = [RTT_ROOT + '/include', RTT_ROOT + '/components/module', RTT_ROOT + '/components/libdl'] +group['CPPDEFINES'] = '' + +target = 'extapp.so' +POST_ACTION = RTMLINKER + '-l ' + TARGET + ' -o extapp.mo ' + '$TARGET' + +# add group to project list +projects.append(group) + +src_local = Glob('extapp.c') + +env.Append(CCFLAGS = group['CCFLAGS']) +env.Append(CPPPATH = group['CPPPATH']) +env.Append(CPPDEFINES = group['CPPDEFINES']) +module_env = env.Clone(CPPDEFINE = 'RT_MODULE') +module_env = env.Clone(CCFLAGS = ' -mcpu=arm920t -O0 -fPIC') +module_env.Replace(LINK = 'arm-none-eabi-ld') +module_env.Replace(LINKFLAGS = '-z max-page-size=0x4 -shared -fPIC -e rt_application_entry -nostdlib -s') +module_env.Program(target, src_local) +module_env.AddPostAction(target, POST_ACTION) + diff --git a/components/module/extapp/extapp.c b/components/module/extapp/extapp.c new file mode 100644 index 0000000000..c638e9773c --- /dev/null +++ b/components/module/extapp/extapp.c @@ -0,0 +1,35 @@ +#include +#include + +typedef void (*func)(void); + +int rt_application_entry(void) +{ + func f1, f2, f3, f4, f5; + + void* handle = dlopen("/mo/ext.so", RTLD_NOW); + if(handle != RT_NULL) + { + f1= (func)dlsym(handle, "function1"); + f2= (func)dlsym(handle, "function2"); + f3= (func)dlsym(handle, "function3"); + f4= (func)dlsym(handle, "function4"); + f5= (func)dlsym(handle, "function5"); + + if(f1 != RT_NULL) f1(); + else rt_kprintf("dlsym function1 failed.\n"); + if(f2 != RT_NULL) f2(); + else rt_kprintf("dlsym function2 failed.\n"); + if(f3 != RT_NULL) f3(); + else rt_kprintf("dlsym function3 failed.\n"); + if(f4 != RT_NULL) f4(); + else rt_kprintf("dlsym function4 failed.\n"); + if(f5 != RT_NULL) f5(); + else rt_kprintf("dlsym function5 failed.\n"); + } + + dlclose(handle); + + return 0; +} + diff --git a/components/module/extension/SConscript b/components/module/extension/SConscript new file mode 100644 index 0000000000..98e126776f --- /dev/null +++ b/components/module/extension/SConscript @@ -0,0 +1,34 @@ +Import('env') +Import('projects') +Import('RTT_ROOT') +Import('rtconfig') +Import('TARGET') + +RTMLINKER = RTT_ROOT + '/tools/rtmlinker.exe ' + +# group definitions +group = {} +group['name'] = 'examples' +group['src'] = Glob('*.c') +group['CCFLAGS'] = '' +group['CPPPATH'] = [RTT_ROOT + '/include', RTT_ROOT + '/components/module'] +group['CPPDEFINES'] = '' + +target = 'extension.so' +POST_ACTION = RTMLINKER + '-l ' + TARGET + ' -o extension.mo ' + '$TARGET' + +# add group to project list +projects.append(group) + +src_local = Glob('extension.c') + +env.Append(CCFLAGS = group['CCFLAGS']) +env.Append(CPPPATH = group['CPPPATH']) +env.Append(CPPDEFINES = group['CPPDEFINES']) +module_env = env.Clone(CPPDEFINE = 'RT_MODULE') +module_env = env.Clone(CCFLAGS = ' -mcpu=arm920t -O0 -fPIC') +module_env.Replace(LINK = 'arm-none-eabi-ld') +module_env.Replace(LINKFLAGS = '-z max-page-size=0x4 -e 0 -shared -fPIC -nostdlib -s') +module_env.Program(target, src_local) +module_env.AddPostAction(target, POST_ACTION) + diff --git a/components/module/extension/extension.c b/components/module/extension/extension.c new file mode 100644 index 0000000000..e5dd094c54 --- /dev/null +++ b/components/module/extension/extension.c @@ -0,0 +1,33 @@ +#include +#include + +void function1(void) +{ + rt_kprintf("Hello RT-Thread function1\n"); +} + +void function2(void) +{ + rt_kprintf("Hello RT-Thread function2\n"); +} + +void function3(void) +{ + rt_kprintf("Hello RT-Thread function3\n"); +} + +void function4(void) +{ + rt_kprintf("Hello RT-Thread function4\n"); +} + +void function5(void) +{ + rt_kprintf("Hello RT-Thread function5\n"); +} + +RTM_EXPORT(function1) +RTM_EXPORT(function2) +RTM_EXPORT(function3) +RTM_EXPORT(function4) +RTM_EXPORT(function5) \ No newline at end of file