newlib/libgloss/microblaze/sim-pgcrtinit.S

73 lines
2.7 KiB
ArmAsm

## Copyright (c) 2001, 2009 Xilinx, Inc. All rights reserved.
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#
# 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