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- /* Startup code compliant to the ELF LoongArch64 ABI.
- Copyright (C) 2024 uClibc-ng contributors.
- Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- */
- #define __ASSEMBLY__ 1
- #include <sysdep.h>
- #include <sys/asm.h>
- /* The entry point's job is to call __uClibc_main. Per the ABI,
- a0 contains the address of a function to be passed to atexit.
- __uClibc_main wants this in a5. */
- .text
- .globl _start
- .type _start,%function
- _start:
- move $s0, $a0 /* rtld_fini. */
- #ifdef L_rcrt1
- la.pcrel $a0, __ehdr_start
- bl reloc_static_pie
- #endif
- move $a5, $s0 /* rtld_fini. */
- /* main may be in a shared library. */
- la.got $a0, main
- ld.d $a1, $sp, 0 /* argc. */
- addi.d $a2, $sp, SZREG /* argv. */
- move $a3, $zero
- move $a4, $zero
- bstrins.d $sp, $zero, 3, 0 /* Align stack to 16 bytes. */
- move $a6, $sp /* stack_end. */
- bl __uClibc_main
- .size _start,.-_start
- /* Define a symbol for the first piece of initialized data. */
- .data
- .globl __data_start
- __data_start:
- .weak data_start
- data_start = __data_start
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