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- /*
- * Copyright (C) 2017 Hangzhou C-SKY Microsystems co.,ltd.
- *
- * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB
- * in this tarball.
- */
- #include <sysdep.h>
- .text
- .global _start
- .type _start,%function
- .global __exit
- .global atexit
- .global _init
- .global _fini
- .global main
- .global __uClibc_main
- /*
- * argc, argv and envp are on the stack
- *
- * Call:
- * void __uClibc_main(
- * int (*main)(int, char **, char **),
- * int argc,
- * char **argv,
- * void (*app_init)(void),
- * void (*app_fini)(void),
- * void (*rtld_fini)(void),
- * void *stack_end attribute_unused);
- */
- _start:
- #ifdef __PIC__
- __GET_GB
- lrw a0, main@GOT
- addu a0, gb
- ldw a0, (a0)
- ldw a1, (sp)
- mov a2, sp
- addi a2, 4
- mov a3, sp /* push stack_end */
- subi sp, 8
- stw a3, (sp)
- lrw a3, _init@GOT
- addu a3, gb
- ldw a3, (a3)
- #ifdef __CSKYABIV2__
- subi sp, 8
- lrw l4, _fini@GOT
- addu l4, gb
- ldw l4, (l4)
- stw l4, (sp)
- stw r7, (sp, 4) /* push rtld_fini */
- #else
- lrw a4, _fini@GOT
- addu a4, gb
- ldw a4, (a4)
- #endif
- lrw l4, __uClibc_main@PLT
- addu l4, gb
- ldw l4, (l4)
- jsr l4
- #else /* __PIC__ */
- lrw a0, main
- ldw a1, (sp)
- mov a2, sp
- addi a2, 4
- mov a3, sp /* push stack_end */
- subi sp, 8
- stw a3, (sp)
- lrw a3, _init
- #ifdef __CSKYABIV2__
- subi sp, 8
- lrw l4, _fini
- stw l4, (sp)
- stw r7, (sp, 4)
- #else
- lrw a4, _fini
- #endif
- lrw l4, __uClibc_main
- jsr l4
- #endif /* __PIC__ */
- bsr __exit
- __exit:
- DO_CALL(exit, 0)
- br .
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