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stubdom: support constructors and destructors
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
This commit is contained in:
Keir Fraser committed
1 parent
178dcab520
commit
cf6e75bd08
4 files changed
+59
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@@ -52,6 +52,23 @@ SECTIONS
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.fini_array : { *(.fini_array) }
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PROVIDE (__fini_array_end = .);
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.ctors : {
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__CTOR_LIST__ = .;
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LONG((__CTOR_END__ - __CTOR_LIST__) / 8 - 2)
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*(SORT_BY_NAME(.ctors))
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SORT_BY_NAME(CONSTRUCTORS)
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LONG(0)
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__CTOR_END__ = .;
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}
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.dtors : {
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__DTOR_LIST__ = .;
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LONG((__DTOR_END__ - __DTOR_LIST__) / 8 - 2)
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*(SORT_BY_NAME(.dtors))
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LONG(0)
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__DTOR_END__ = .;
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}
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.IA_64.unwind_info : AT(ADDR(.IA_64.unwind_info) - (((5<<(61))+0x100000000) - (1 << 20)))
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{ *(.IA_64.unwind_info) }
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@@ -28,9 +28,25 @@ SECTIONS
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.fini_array : { *(.fini_array) }
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PROVIDE (__fini_array_end = .);
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.ctors : {
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__CTOR_LIST__ = .;
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LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
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*(SORT_BY_NAME(.ctors))
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SORT_BY_NAME(CONSTRUCTORS)
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LONG(0)
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__CTOR_END__ = .;
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}
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.dtors : {
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__DTOR_LIST__ = .;
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LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
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*(SORT_BY_NAME(.dtors))
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LONG(0)
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__DTOR_END__ = .;
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}
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.data : { /* Data */
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*(.data)
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CONSTRUCTORS
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}
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_edata = .; /* End of data section */
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@@ -28,9 +28,25 @@ SECTIONS
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.fini_array : { *(.fini_array) }
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PROVIDE (__fini_array_end = .);
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.ctors : {
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__CTOR_LIST__ = .;
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LONG((__CTOR_END__ - __CTOR_LIST__) / 8 - 2)
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*(SORT_BY_NAME(.ctors))
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SORT_BY_NAME(CONSTRUCTORS)
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LONG(0)
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__CTOR_END__ = .;
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}
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.dtors : {
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__DTOR_LIST__ = .;
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LONG((__DTOR_END__ - __DTOR_LIST__) / 8 - 2)
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*(SORT_BY_NAME(.dtors))
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LONG(0)
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__DTOR_END__ = .;
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}
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.data : { /* Data */
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*(.data)
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CONSTRUCTORS
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}
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_edata = .; /* End of data section */
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@@ -19,6 +19,8 @@
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extern int main(int argc, char *argv[], char *envp[]);
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extern void __libc_init_array(void);
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extern void __libc_fini_array(void);
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extern unsigned long __CTOR_LIST__[];
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extern unsigned long __DTOR_LIST__[];
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struct thread *main_thread;
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@@ -147,6 +149,8 @@ static void call_main(void *p)
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__libc_init_array();
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environ = envp;
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for (i = 1; i <= __CTOR_LIST__[0]; i++)
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((void((*)(void)))__CTOR_LIST__[i]) ();
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tzset();
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exit(main(argc, argv, envp));
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@@ -154,6 +158,10 @@ static void call_main(void *p)
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void _exit(int ret)
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{
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int i;
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for (i = 1; i <= __DTOR_LIST__[0]; i++)
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((void((*)(void)))__DTOR_LIST__[i]) ();
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close_all_files();
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__libc_fini_array();
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printk("main returned %d\n", ret);
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