Subversion Repositories openrisc_2011-10-31

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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