Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / score / crti.asm

diff --git a/gcc/config/score/crti.asm b/gcc/config/score/crti.asm
new file mode 100644 (file)
index 0000000..42308f1
--- /dev/null
+++ b/gcc/config/score/crti.asm
@@ -0,0 +1,131 @@
+# crti.asm for Sunplus S+CORE
+#
+#   Copyright (C) 2005, 2009 Free Software Foundation, Inc.
+#
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 3, or (at your option) any
+# later version.
+#
+# This file is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# Under Section 7 of GPL version 3, you are granted additional
+# permissions described in the GCC Runtime Library Exception, version
+# 3.1, as published by the Free Software Foundation.
+#
+# You should have received a copy of the GNU General Public License and
+# a copy of the GCC Runtime Library Exception along with this program;
+# see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+# This file makes a stack frame for the contents of the .init and
+# .fini sections.
+.extern _stack
+
+#ifndef __pic__
+.section .init, "ax", @progbits
+        .weak   _start
+        .ent    _start
+        .frame  r0, 0, r3, 0
+        .mask   0x00000000, 0
+_start:
+        la      r28, _gp
+        la      r8, __bss_start
+        la      r9, __bss_end__
+        sub!    r9, r8
+        srli!   r9, 2
+        addi    r9, -1
+        mtsr    r9, sr0
+        li      r9, 0
+1:
+        sw      r9, [r8]+, 4
+        bcnz    1b
+        la      r0, _stack
+        jl      _init
+        la      r4, _end
+        jl      _init_argv
+        jl      exit
+        .end    _start
+
+        .weak   _init_argv
+        .ent
+        .frame  r0, 0, r3, 0
+        .mask   0x00000000, 0
+_init_argv:
+        ldiu!   r4, 0
+        ldiu!   r5, 0
+        j       main
+        .end    _init_argv
+
+        .globl  _init
+        .type   _init, %function
+_init:
+        addi    r0, -32
+        sw      r3, [r0, 20]
+
+        .section .fini, "ax", @progbits
+        .globl  _fini
+        .type   _fini, %function
+_fini:
+        addi    r0, -32
+        sw      r3, [r0, 20]
+#else
+.section .init, "ax", @progbits
+        .set    pic
+        .weak   _start
+        .ent    _start
+        .frame  r0, 0, r3, 0
+        .mask   0x00000000, 0
+_start:
+        mv      r29, r3
+        bl      0f
+0:
+        .cpload r3
+        mv      r3, r29
+        la      r8, __bss_start
+        la      r9, __bss_end__
+        sub!    r9, r8
+        srli!   r9, 2
+        addi    r9, -1
+        mtsr    r9, sr0
+        li      r9, 0
+1:
+        sw      r9, [r8]+, 4
+        bcnz    1b
+        la      r0, _stack
+        bl      _init
+        la      r4, _end
+        la      r29, _init_argv
+        brl     r29
+        la      r29, exit
+        brl     r29
+        .end    _start
+
+        .weak   _init_argv
+        .ent _init_argv
+        .frame  r0, 0, r3, 0
+        .mask   0x00000000, 0
+_init_argv:
+        ldiu!   r4, 0
+        ldiu!   r5, 0
+        la      r29, main
+        brl     r29
+        .end    _init_argv
+
+        .globl  _init
+        .type   _init, %function
+_init:
+        addi    r0, -32
+        sw      r3, [r0, 20]
+
+        .section .fini, "ax", @progbits
+        .globl  _fini
+        .type   _fini, %function
+_fini:
+        addi    r0, -32
+        sw      r3, [r0, 20]
+
+#endif