libs/rt-thread-official
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rt-thread-official
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module developing 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@660 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
qiuyiuestc 2010-04-20 17:00:51 +00:00
parent 760349dd5e
commit 3baab7b053
3 changed files with 39 additions and 27 deletions
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6
components/finsh/cmd.c
View File

@ -357,15 +357,13 @@ int list_module(void)
module->stack_size);
tlist = &module->module_object[RT_Object_Class_Thread].object_list;
if(tlist->next != tlist)
{
rt_kprintf(" sub-thread pri status sp stack size max used left tick error\n");
rt_kprintf("-------- ---- ------- ---------- ---------- ---------- ---------- ---\n");
}
for (tnode = tlist->next; tnode != tlist; tnode = tnode->next)
{
thread = rt_list_entry(tnode, struct rt_thread, tlist);
thread = rt_list_entry(tnode, struct rt_thread, list);
rt_kprintf("%-8s 0x%02x", thread->name, thread->current_priority);
if (thread->stat == RT_THREAD_READY) rt_kprintf(" ready ");

44
src/module.c
View File

@ -131,13 +131,6 @@ static void rt_module_init_object_container(struct rt_module* module)
module->module_object[RT_Object_Class_Mutex].type = RT_Object_Class_Mutex;
#endif
#ifdef RT_USING_FASTEVENT
/* init object container - fast event */
rt_list_init(&(module->module_object[RT_Object_Class_FastEvent].object_list));
module->module_object[RT_Object_Class_FastEvent].object_size = sizeof(struct rt_fast_event);
module->module_object[RT_Object_Class_FastEvent].type = RT_Object_Class_FastEvent;
#endif
#ifdef RT_USING_EVENT
/* init object container - event */
rt_list_init(&(module->module_object[RT_Object_Class_Event].object_list));
@ -182,7 +175,7 @@ static void rt_module_init_object_container(struct rt_module* module)
struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
{
rt_uint32_t index;
rt_uint32_t module_addr = 0, module_size = 0;
rt_uint32_t module_addr = 0, module_size = 0, rodata_addr = 0;
struct rt_module* module = RT_NULL;
rt_uint8_t *ptr, *strtab, *shstrab;
@ -219,7 +212,6 @@ struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
{
module_size += shdr[index].sh_size;
}
}
/* no text, data and bss on image */
@ -244,13 +236,21 @@ struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
/* load text and data section */
for (index = 0; index < elf_module->e_shnum; index++)
{
/* load text and rodata section */
if (IS_PROG(shdr[index]) && (IS_AX(shdr[index])||IS_ALLOC(shdr[index])))
/* load text section */
if (IS_PROG(shdr[index]) && IS_AX(shdr[index]))
{
rt_memcpy(ptr, (rt_uint8_t*)elf_module + shdr[index].sh_offset, shdr[index].sh_size);
ptr += shdr[index].sh_size;
}
/* load rodata section */
if (IS_PROG(shdr[index]) && IS_ALLOC(shdr[index]))
{
rt_memcpy(ptr, (rt_uint8_t*)elf_module + shdr[index].sh_offset, shdr[index].sh_size);
rodata_addr = (rt_uint32_t)ptr;
ptr += shdr[index].sh_size;
}
/* load data section */
if (IS_PROG(shdr[index]) && IS_AW(shdr[index]))
{
@ -294,9 +294,9 @@ struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
{
if (strncmp(shstrab + shdr[sym->st_shndx].sh_name, ELF_RODATA, 8) == 0)
{
/* relocate rodata section, fix me, module_ptr should be freed */
/* relocate rodata section */
rt_module_arm_relocate(module, rel,
(Elf32_Addr)((rt_uint8_t*)module_ptr + shdr[sym->st_shndx].sh_offset),
(Elf32_Addr)(rodata_addr),
module_addr);
}
else if(strncmp(shstrab + shdr[sym->st_shndx].sh_name, ELF_BSS, 5) == 0)
@ -314,9 +314,9 @@ struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
}
else if(ELF_ST_TYPE(sym->st_info) == STT_OBJECT)
{
/* relocate object, fix me, module_ptr should be freed */
/* relocate object in data section */
rt_module_arm_relocate(module, rel,
(Elf32_Addr)((rt_uint8_t*)module_ptr + shdr[sym->st_shndx].sh_offset + sym->st_value),
(Elf32_Addr)(ptr + sym->st_value),
module_addr);
}
}
@ -352,15 +352,29 @@ struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
void rt_module_unload(struct rt_module* module)
{
int i;
struct rt_object* object;
struct rt_timer *timer;
struct rt_list_node *list, *node;
/* suspend module main thread */
if (module->module_thread->stat == RT_THREAD_READY)
rt_thread_suspend(module->module_thread);
/* delete all module object */
for(i = RT_Object_Class_Thread; i < RT_Object_Class_Module; i++)
{
list = &module->module_object[i].object_list;
for (node = list->next; node != list; node = node->next)
{
object = rt_list_entry(node, struct rt_object, list);
rt_object_delete(object);
}
}
/* release module memory */
rt_free(module->module_space);
rt_free((void *)module);
}
rt_module_t rt_module_find(char* name)