crt0.s
来自「基于vxworks操作系统的电话语音平台系统」· S 代码 · 共 43 行
S
43 行
# Start-up function for an embedded environment. Initialization is done by the
# Nucleus function INT_Initialize. This file holds other functions that Diab
# may use.
.file "crt0.c"
.text
#------------------------------------------------------------- .init section --
.section .init$00,2,C
.globl __init
.align 2
__init: # Entry to __init, called by
mfspr r0,8 # __init_main called above.
stwu r1,-64(r1)
stw r0,68(r1)
# Linker places .init sections from other modules, containing
# calls to initialize global objects, here.
.section .init$99,2,C
lwz r0,68(r1) # Return from __init.
addi r1,r1,64
mtspr 8,r0
blr
#------------------------------------------------------------- .fini section --
.section .fini$00,2,C
.globl __fini
.align 2
__fini: # Entry to __fini, called by exit().
mfspr r0,8
stwu r1,-64(r1)
stw r0,68(r1)
# Linker places .fini sections from other modules, containing
# calls to destroy global objects, here.
.section .fini$99,2,C
lwz r0,68(r1) # Return from __fini.
addi r1,r1,64
mtspr 8,r0
blr
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