projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| f607bc57 | 1 | # crti.s for sysv4 |
| c81bebd7 | 2 | |
| 85ec4feb | 3 | # Copyright (C) 1996-2018 Free Software Foundation, Inc. |
| c81bebd7 MM |
4 | # Written By Michael Meissner |
| 5 | # | |
| 6 | # This file is free software; you can redistribute it and/or modify it | |
| 7 | # under the terms of the GNU General Public License as published by the | |
| 748086b7 | 8 | # Free Software Foundation; either version 3, or (at your option) any |
| c81bebd7 MM |
9 | # later version. |
| 10 | # | |
| c81bebd7 MM |
11 | # This file is distributed in the hope that it will be useful, but |
| 12 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | # General Public License for more details. | |
| 748086b7 JJ |
15 | # |
| 16 | # Under Section 7 of GPL version 3, you are granted additional | |
| 17 | # permissions described in the GCC Runtime Library Exception, version | |
| 18 | # 3.1, as published by the Free Software Foundation. | |
| 19 | # | |
| 20 | # You should have received a copy of the GNU General Public License and | |
| 21 | # a copy of the GCC Runtime Library Exception along with this program; | |
| 22 | # see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 23 | # <http://www.gnu.org/licenses/>. | |
| c81bebd7 MM |
24 | |
| 25 | # This file just supplies labeled starting points for the .got* and other | |
| 26 | # special sections. It is linked in first before other modules. | |
| 27 | ||
| c81bebd7 MM |
28 | .ident "GNU C scrti.s" |
| 29 | ||
| 9739c90c | 30 | #ifndef __powerpc64__ |
| 0bc25b2b MM |
31 | # Start of .text |
| 32 | .section ".text" | |
| 33 | .globl _ex_text0 | |
| 34 | _ex_text0: | |
| 35 | ||
| 36 | # Exception range | |
| 37 | .section ".exception_ranges","aw" | |
| 38 | .globl _ex_range0 | |
| 39 | _ex_range0: | |
| 40 | ||
| c81bebd7 MM |
41 | # List of C++ constructors |
| 42 | .section ".ctors","aw" | |
| 43 | .globl __CTOR_LIST__ | |
| 44 | .type __CTOR_LIST__,@object | |
| 45 | __CTOR_LIST__: | |
| 46 | ||
| 47 | # List of C++ destructors | |
| 48 | .section ".dtors","aw" | |
| 49 | .globl __DTOR_LIST__ | |
| 50 | .type __DTOR_LIST__,@object | |
| 51 | __DTOR_LIST__: | |
| 52 | ||
| f607bc57 | 53 | # Head of _init function used for static constructors |
| c81bebd7 MM |
54 | .section ".init","ax" |
| 55 | .align 2 | |
| f607bc57 ZW |
56 | .globl _init |
| 57 | .type _init,@function | |
| 58 | _init: stwu %r1,-16(%r1) | |
| 0bc25b2b | 59 | mflr %r0 |
| 5b9d9a0c | 60 | stw %r31,12(%r1) |
| 0bc25b2b MM |
61 | stw %r0,16(%r1) |
| 62 | ||
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63 | bl _GLOBAL_OFFSET_TABLE_-4 # get the GOT address |
| 64 | mflr %r31 | |
| 65 | ||
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66 | # lwz %r3,_ex_shared0@got(%r31) |
| 67 | # lwz %r4,-8(%r3) # _ex_register or 0 | |
| 68 | # cmpi %cr0,%r4,0 | |
| 69 | # beq .Lno_reg | |
| 70 | # mtlr %r4 | |
| 71 | # blrl | |
| 72 | #.Lno_reg: | |
| c81bebd7 | 73 | |
| f607bc57 | 74 | # Head of _fini function used for static destructors |
| c81bebd7 MM |
75 | .section ".fini","ax" |
| 76 | .align 2 | |
| f607bc57 ZW |
77 | .globl _fini |
| 78 | .type _fini,@function | |
| 79 | _fini: stwu %r1,-16(%r1) | |
| 0bc25b2b MM |
80 | mflr %r0 |
| 81 | stw %r31,12(%r1) | |
| 82 | stw %r0,16(%r1) | |
| 83 | ||
| 5b9d9a0c MM |
84 | bl _GLOBAL_OFFSET_TABLE_-4 # get the GOT address |
| 85 | mflr %r31 | |
| 0bc25b2b MM |
86 | |
| 87 | # _environ and its evil twin environ, pointing to the environment | |
| 1b30b9cf MM |
88 | .section ".sdata","aw" |
| 89 | .align 2 | |
| 90 | .globl _environ | |
| 91 | .space 4 | |
| 0bc25b2b MM |
92 | .weak environ |
| 93 | .set environ,_environ | |
| 9739c90c | 94 | #endif |