Syncboot/gnu-efi/apps/trivial.S

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ArmAsm
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.text
.align 4
.globl _start
_start:
#if 0
pushl %ebp
movl %esp,%ebp
pushl %ebx # save ebx
movl 12(%ebp),%eax # eax <- systab
movl 24(%eax),%ebx # ebx <- systab->FirmwareVendor
pushl %ebx
movl 44(%eax),%ebx # ebx <- systab->ConOut
pushl %ebx
movl 4(%ebx),%eax # eax <- conout->OutputString
call *%eax
movl -4(%ebp),%ebx # restore ebx
leave
ret
#else
pushl %ebp
movl %esp,%ebp
pushl %ebx
call 0f
0: popl %eax
addl $hello-0b,%eax
pushl %eax
movl 12(%ebp),%eax # eax <- systab
movl 44(%eax),%ebx # ebx <- systab->ConOut
pushl %ebx
movl 4(%ebx),%eax # eax <- conout->OutputString
call *%eax
movl -4(%ebp),%ebx
leave
ret
.section .rodata
.align 2
hello: .byte 'h',0,'e',0,'l',0,'l',0,'o',0,'\n',0,'\r',0,0,0
#endif