1 /* ELF startup code for HPPA.
2 Copyright (C) 2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 In addition to the permissions in the GNU Lesser General Public
11 License, the Free Software Foundation gives you unlimited
12 permission to link the compiled version of this file with other
13 programs, and to distribute those programs without any restriction
14 coming from the use of this file. (The GNU Lesser General Public
15 License restrictions do apply in other respects; for example, they
16 cover modification of the file, and distribution when not linked
17 into another program.)
19 Note that people who make modified versions of this file are not
20 obligated to grant this special exception for their modified
21 versions; it is their choice whether to do so. The GNU Lesser
22 General Public License gives permission to release a modified
23 version without this exception; this exception also makes it
24 possible to release a modified version which carries forward this
27 The GNU C Library is distributed in the hope that it will be useful,
28 but WITHOUT ANY WARRANTY; without even the implied warranty of
29 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
30 Lesser General Public License for more details.
32 You should have received a copy of the GNU Lesser General Public
33 License along with the GNU C Library; if not, see
34 <http://www.gnu.org/licenses/>. */
37 .import $global$, data
38 .import __uClibc_main, code
39 #if defined(__UCLIBC_CTOR_DTOR__)
47 /* Have the linker create plabel words
48 so we get PLABEL32 relocs and not 21/14 */
64 .type _start,@function
70 /* Expand the stack to store the 5th through 7th args */
72 /* TODO: Follow ABI? Place more things on the stack here... */
75 /* load main (1st argument) */
76 addil LR'.Lpmain, %r19
77 ldw RR'.Lpmain(%r1), %r26
79 /* argc and argv should be in 25 and 24 (2nd and 3rd argument) */
80 /* void (*init) (void) (4th argument) */
81 addil LR'.Lp_init, %r19
82 ldw RR'.Lp_init(%r1), %r23
84 /* void (*fini) (void) (5th argument) */
85 addil LR'.Lp_fini, %r19
86 ldw RR'.Lp_fini(%r1), %r22
89 /* load main (1st argument) */
91 ldw RR'.Lpmain(%r26), %r26
92 /* argc and argv should be in 25 and 24 (2nd and 3rd argument) */
93 /* void (*init) (void) (4th argument) */
94 ldil LR'.Lp_init, %r23
95 ldw RR'.Lp_init(%r23), %r23
96 /* void (*fini) (void) (5th argument) */
97 ldil LR'.Lp_fini, %r22
98 ldw RR'.Lp_fini(%r22), %r22
100 /* Store 5th argument */
102 /* void (*rtld_fini) (void) (6th argument) */
104 /* void *stack_end (7th argument) */
109 ldo R%$global$(%dp), %dp
113 /* die horribly if it returned (it shouldn't) */
114 iitlbp %r0,(%sr0,%r0)
119 /* Define a symbol for the first piece of initialized data. */
125 data_start = __data_start