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-rw-r--r--components/libc/libdl/dlelf.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/components/libc/libdl/dlelf.c b/components/libc/libdl/dlelf.c
index 1265ffcb07..55ef0d8951 100644
--- a/components/libc/libdl/dlelf.c
+++ b/components/libc/libdl/dlelf.c
@@ -226,6 +226,40 @@ rt_err_t dlmodule_load_shared_object(struct rt_dlmodule* module, void *module_pt
length);
count ++;
}
+
+ /* get priority & stack size params*/
+ rt_uint32_t flag = 0;
+ rt_uint16_t priority;
+ rt_uint32_t stacksize;
+ for (i = 0; i < shdr[index].sh_size / sizeof(Elf32_Sym); i++)
+ {
+ if (((flag & 0x01) == 0) &&
+ (rt_strcmp((const char *)(strtab + symtab[i].st_name), "dlmodule_thread_priority") == 0))
+ {
+ flag |= 0x01;
+ priority = *(rt_uint16_t*)(module->mem_space + symtab[i].st_value - module->vstart_addr);
+ if (priority < RT_THREAD_PRIORITY_MAX)
+ {
+ module->priority = priority;
+ }
+ }
+
+ if (((flag & 0x02) == 0) &&
+ (rt_strcmp((const char *)(strtab + symtab[i].st_name), "dlmodule_thread_stacksize") == 0))
+ {
+ flag |= 0x02;
+ stacksize = *(rt_uint32_t*)(module->mem_space + symtab[i].st_value - module->vstart_addr);
+ if ((stacksize < 2048) || (stacksize > 1024 * 32))
+ {
+ module->stack_size = stacksize;
+ }
+ }
+
+ if ((flag & 0x03) == 0x03)
+ {
+ break;
+ }
+ }
}
return RT_EOK;