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comment "subroutine prologue"
.macro gdbasm_enter
mov ip, sp
stmdb sp!, {fp, ip, lr, pc}
sub fp, ip, #4
.endm
comment "subroutine epilogue"
.macro gdbasm_leave
ldmea fp, {fp, sp, pc}
.endm
.macro gdbasm_call subr
bl \subr
.endm
.macro gdbasm_several_nops
nop
nop
nop
nop
.endm
comment "exit (0)"
.macro gdbasm_exit0
mov r0, #0
swi 0x00123456
.endm
comment "crt0 startup"
.macro gdbasm_startup
mov fp, #0
mov r7, #0
.endm