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-rw-r--r--libc/sysdeps/linux/nios2/crt1.S (renamed from libc/sysdeps/linux/nios2/crt0.S)28
1 files changed, 17 insertions, 11 deletions
diff --git a/libc/sysdeps/linux/nios2/crt0.S b/libc/sysdeps/linux/nios2/crt1.S
index 95c9450cd..948eeb1ed 100644
--- a/libc/sysdeps/linux/nios2/crt0.S
+++ b/libc/sysdeps/linux/nios2/crt1.S
@@ -8,6 +8,7 @@
* directory of this archive for more details.
*
* Written by Wentao Xu <wentao@microtronix.com>
+ * Updated by Thomas Chou <thomas@wytron.com.tw> for crt1.S
*
*/
@@ -18,7 +19,8 @@
.type __start,@function
.weak _init
.weak _fini
- .type __uClibc_start_main,@function
+ .type main,@function
+ .type __uClibc_main,@function
.type __h_errno_location, @function
.type _stdio_init, @function
.type _stdio_term, @function
@@ -35,30 +37,34 @@ _start:
movhi gp, %hiadj(_gp)
addi gp, gp, %lo(_gp)
- /* load argc, argv, envp from stack */
- ldw r4, 0(sp)
- ldw r5, 4(sp)
- ldw r6, 8(sp)
-
+ /* load main, argc, argv from stack */
+ movhi r4, %hi(main)
+ ori r4, r4, %lo(main) /* main */
+ ldw r5, 0(sp) /* argc */
+ ldw r6, 4(sp) /* argv */
+
/* load the 4th arg */
movhi r7, %hi(_init)
ori r7, r7, %lo(_init)
-
+
/* reuse the argc stack slot for the 5th arg */
movhi r8, %hi(_fini)
ori r8, r8, %lo(_fini)
stw r8, 0(sp)
-
+
+ stw r2, 4(sp) /* rtld_fini */
+ stw sp, 8(sp) /* stack_end */
+
/* call uClibc_main, shouldn't return */
#ifdef __PIC__
/* just pray 16 bit offset is enough */
- br __uClibc_start_main
+ br __uClibc_main
#else
- call __uClibc_start_main
+ call __uClibc_main
#endif
/* crash in the event of return */
__exit:
movui r2, TRAP_ID_SYSCALL
movui r3, __NR_exit
- trap \ No newline at end of file
+ trap