diff options
Diffstat (limited to 'rtl/dragonfly/x86_64/prt0.as')
| -rw-r--r-- | rtl/dragonfly/x86_64/prt0.as | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/rtl/dragonfly/x86_64/prt0.as b/rtl/dragonfly/x86_64/prt0.as new file mode 100644 index 0000000000..0bdfa38611 --- /dev/null +++ b/rtl/dragonfly/x86_64/prt0.as @@ -0,0 +1,158 @@ + .file "crt1.c" + .section .note.ABI-tag,"a",@progbits + .p2align 2 + .type abitag, @object + .size abitag, 28 +abitag: + .long 10 + .long 4 + .long 1 + .string "DragonFly" + .align 4 + .long 400000 + + .section .rodata +.LC0: + .string "" +.globl __progname + .data + .p2align 3 + .type __progname, @object + .size __progname, 8 +__progname: + .quad .LC0 + .text + .p2align 2,,3 +.globl _start + .type _start, @function +_start: +.LFB9: + pushq %rbp +.LCFI0: + movq %rsp, %rbp +.LCFI1: + subq $48, %rsp +.LCFI2: + movq %rdi, -8(%rbp) + movq %rsi, -16(%rbp) + movq -8(%rbp), %rax + movl (%rax), %eax + movl %eax, -20(%rbp) + movl %eax, operatingsystem_parameter_argc(%rip) + movq -8(%rbp), %rax + addq $8, %rax + movq %rax, -32(%rbp) + movq %rax, operatingsystem_parameter_argv(%rip) + movl -20(%rbp), %eax + cltq + salq $3, %rax + addq -8(%rbp), %rax + addq $16, %rax + movq %rax, -40(%rbp) + movq %rax, operatingsystem_parameter_envp(%rip) + movq -40(%rbp), %rax + movq %rax, environ(%rip) + cmpl $0, -20(%rbp) + jle .L5 + movq -32(%rbp), %rax + cmpq $0, (%rax) + je .L5 + movq -32(%rbp), %rax + movq (%rax), %rax + movq %rax, __progname(%rip) + movq __progname(%rip), %rax + movq %rax, -48(%rbp) +.L6: + movq -48(%rbp), %rax + cmpb $0, (%rax) + jne .L9 + jmp .L5 +.L9: + movq -48(%rbp), %rax + cmpb $47, (%rax) + jne .L8 + movq -48(%rbp), %rax + incq %rax + movq %rax, __progname(%rip) +.L8: + leaq -48(%rbp), %rax + incq (%rax) + jmp .L6 +.L5: +# movl $_DYNAMIC, %eax +# testq %rax, %rax +# je .L11 +# movq -16(%rbp), %rdi +# call atexit +.L11: +# movl $_fini, %edi +# call atexit +# call _init +# movq -40(%rbp), %rdx #env +# movq -32(%rbp), %rsi #argv +# movl -20(%rbp), %edi # argc + xorq %rbp,%rbp + call main + movl %eax, %edi +# call exit +.LFE9: + .size _start, .-_start + +.bss + .type __stkptr,@object + .size __stkptr,8 + .global __stkptr +__stkptr: + .skip 8 + + .type operatingsystem_parameters,@object + .size operatingsystem_parameters,24 +operatingsystem_parameters: + .skip 3*8 + + .global operatingsystem_parameter_envp + .global operatingsystem_parameter_argc + .global operatingsystem_parameter_argv + .set operatingsystem_parameter_envp,operatingsystem_parameters+0 + .set operatingsystem_parameter_argc,operatingsystem_parameters+8 + .set operatingsystem_parameter_argv,operatingsystem_parameters+16 + + + .comm environ,8,8 + .weak _DYNAMIC + .section .eh_frame,"a",@progbits +.Lframe1: + .long .LECIE1-.LSCIE1 +.LSCIE1: + .long 0x0 + .byte 0x1 + .string "" + .uleb128 0x1 + .sleb128 -8 + .byte 0x10 + .byte 0xc + .uleb128 0x7 + .uleb128 0x8 + .byte 0x90 + .uleb128 0x1 + .p2align 3 +.LECIE1: +.LSFDE1: + .long .LEFDE1-.LASFDE1 +.LASFDE1: + .long .LASFDE1-.Lframe1 + .quad .LFB9 + .quad .LFE9-.LFB9 + .byte 0x4 + .long .LCFI0-.LFB9 + .byte 0xe + .uleb128 0x10 + .byte 0x86 + .uleb128 0x2 + .byte 0x4 + .long .LCFI1-.LCFI0 + .byte 0xd + .uleb128 0x6 + .p2align 3 +.LEFDE1: + .ident "[DragonFly]" |