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@@ -8,6 +8,7 @@
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* directory of this archive for more details.
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*
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* Written by Wentao Xu <wentao@microtronix.com>
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+ * Updated by Thomas Chou <thomas@wytron.com.tw> for crt1.S
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*
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*/
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@@ -18,7 +19,8 @@
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.type __start,@function
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.weak _init
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.weak _fini
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- .type __uClibc_start_main,@function
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+ .type main,@function
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+ .type __uClibc_main,@function
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.type __h_errno_location, @function
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.type _stdio_init, @function
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.type _stdio_term, @function
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@@ -35,30 +37,34 @@ _start:
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movhi gp, %hiadj(_gp)
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addi gp, gp, %lo(_gp)
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- /* load argc, argv, envp from stack */
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- ldw r4, 0(sp)
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- ldw r5, 4(sp)
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- ldw r6, 8(sp)
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-
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+ /* load main, argc, argv from stack */
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+ movhi r4, %hi(main)
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+ ori r4, r4, %lo(main) /* main */
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+ ldw r5, 0(sp) /* argc */
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+ ldw r6, 4(sp) /* argv */
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+
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/* load the 4th arg */
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movhi r7, %hi(_init)
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ori r7, r7, %lo(_init)
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-
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+
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/* reuse the argc stack slot for the 5th arg */
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movhi r8, %hi(_fini)
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ori r8, r8, %lo(_fini)
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stw r8, 0(sp)
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-
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+
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+ stw r2, 4(sp) /* rtld_fini */
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+ stw sp, 8(sp) /* stack_end */
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+
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/* call uClibc_main, shouldn't return */
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#ifdef __PIC__
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/* just pray 16 bit offset is enough */
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- br __uClibc_start_main
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+ br __uClibc_main
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#else
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- call __uClibc_start_main
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+ call __uClibc_main
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#endif
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/* crash in the event of return */
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__exit:
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movui r2, TRAP_ID_SYSCALL
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movui r3, __NR_exit
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- trap
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+ trap
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Mike Frysinger