[ginge.git] / loader / loader_arm.s

.text

/* void do_entry(Elf32_Addr entry, void *stack_frame, int stack_frame_elems, void *exitf); */

.globl do_entry
do_entry:
    sub   sp, sp, r2, lsl #2
    mov   r4, sp
    mov   r5, r0
0:
    ldr   r0, [r1], #4
    subs  r2, r2, #1
    str   r0, [r4], #4
    bgt   0b

/*
 r0 - atexit func
 sp - stack frame of:
   argc
   argv[0]
   ...
   NULL
   envp[0]
   ...
   NULL
*/
    mov   r0, r3
    bx    r5
Commit	Line	Data
	1	.text
	2
	3	/* void do_entry(Elf32_Addr entry, void stack_frame, int stack_frame_elems, void exitf); */
	4
	5	.globl do_entry
	6	do_entry:
	7	sub sp, sp, r2, lsl #2
	8	mov r4, sp
	9	mov r5, r0
	10	0:
	11	ldr r0, [r1], #4
	12	subs r2, r2, #1
	13	str r0, [r4], #4
	14	bgt 0b
	15
	16	/*
	17	r0 - atexit func
	18	sp - stack frame of:
	19	argc
	20	argv[0]
	21	...
	22	NULL
	23	envp[0]
	24	...
	25	NULL
	26	*/
	27	mov r0, r3
	28	bx r5