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authorMystery Man <unknown@mandriva.org>2003-05-06 13:11:49 +0000
committerMystery Man <unknown@mandriva.org>2003-05-06 13:11:49 +0000
commit3f5d21d90abbd16f16ab69aec1e1a1853a93fd18 (patch)
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+/*
+ Copyright (C) 2002 Thomas M. Ogrisegg
+
+ This is free software. You can redistribute and
+ modify it under the terms of the GNU General Public
+ Public License.
+
+ This file is part of the IA64-Port of the dietlibc
+
+ start.S
+ Implemenation of the _start startup function
+*/
+
+.psr abi64
+.psr lsb
+.lsb
+
+.text
+.globl _start
+.proc _start
+
+_start:
+ alloc r2 = ar.pfs,0,0,7,0
+ adds out1 = 16, sp /* base arguments */
+ movl gp = @gprel(0f) /* base offset */
+ ;;
+0:
+ ld8 out0 = [out1], 8 /* load argc and set argv */
+ mov r9 = ip
+ ;;
+ shladd out2=out0,3,out1 /* envp = argv+8*argc */
+ sub gp = r9, gp /* subtract program counter */
+ ;;
+ addl r15 = @ltoff(environ#), gp /* offset to environ */
+ adds out2 = 8, out2 /* envp += 8 */
+ ;;
+ ld8 r14 = [r15]
+ ;;
+ st8 [r14] = out2 /* store envp in environ */
+ br.call.sptk.few rp = main /* call main */
+ ;;
+ mov r32 = r8 /* store return code */
+ br _exit /* branch to _exit */
+.endp _start
+.size _start, . - _start