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Diffstat (limited to 'libgloss/microblaze/sim-pgcrtinit.S')
| -rw-r--r-- | libgloss/microblaze/sim-pgcrtinit.S | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libgloss/microblaze/sim-pgcrtinit.S b/libgloss/microblaze/sim-pgcrtinit.S new file mode 100644 index 000000000..3c6ba8371 --- /dev/null +++ b/libgloss/microblaze/sim-pgcrtinit.S @@ -0,0 +1,72 @@ +## Copyright (c) 2001, 2009 Xilinx, Inc. All rights reserved. +## +## Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## +## 1. Redistributions source code must retain the above copyright notice, +## this list of conditions and the following disclaimer. +## +## 2. Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in the +## documentation and/or other materials provided with the distribution. +## +## 3. Neither the name of Xilinx nor the names of its contributors may be +## used to endorse or promote products derived from this software without +## specific prior written permission. +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS +## IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +## TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +## PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +## TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +## PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +## LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +## NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +## SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# sim-pgcrtinit.s +# +# Default second stage of C run-time initialization for use with software +# intrusive profiling. Does not peform BSS initialization to zero. +# (Typical use is on a simulator) +# + + .globl _crtinit + .align 2 + .ent _crtinit + +_crtinit: + addi r1, r1, -20 /* Save Link register */ + swi r15, r1, 0 + + brlid r15, _program_init /* Initialize the program */ + nop + + brlid r15, _profile_init /* Initialize profiling library */ + nop + + brlid r15, __init /* Invoke language initialization functions */ + nop + + addi r6, r0, 0 /* Initialize argc = 1 and argv = NULL and envp = NULL */ + addi r7, r0, 0 + brlid r15, main /* Execute the program */ + addi r5, r0, 0 + + brlid r15, __fini /* Invoke language cleanup functions */ + nop + + brlid r15, _profile_clean /* Cleanup profiling library */ + nop + + brlid r15, _program_clean /* Cleanup the program */ + nop + + lw r15, r1, r0 /* Return back to CRT */ + rtsd r15, 8 + addi r1, r1, 20 + .end _crtinit + |