binutils-gdb/gdb/testsuite/gdb.asm/d10v.inc

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comment "subroutine prologue"
.macro gdbasm_enter
st r11,@-sp
st r13,@-sp
mv r11,sp
.endm
comment "subroutine epilogue"
.macro gdbasm_leave
add3 sp,r11,0
ld r13,@sp+
ld r11,@sp+
jmp r13
.endm
.macro gdbasm_call subr
bl \subr
.endm
.macro gdbasm_several_nops
nop
nop
nop
nop
.endm
comment "exit (0)"
.macro gdbasm_exit0
ldi r4, 1
ldi r0, 0
trap 15
.endm
comment "crt0 startup"
.macro gdbasm_startup
; R14 always contains memory base address (0)
ldi r14,0
; Set the USER and SYSTEM stack pointers.
ldi r0, 0 ; zero arguments
ldi r1, 0
mvtc r0, psw ; select SPI and set it
ldi sp, _stack
ldi r10, 0x8000 ; select SPU/FP and set it
mvtc r10, psw || ldi r11, 0; clear stack frame
ldi sp, _stack - 0x200
ldi r13, 0
st r11, @-sp
st r13, @-sp
; mv r11, sp
.endm