ref: ba1476058afaffc3f24ca8fbde11234def04d1bf
dir: /rt/abort-linux.s/
.text .globl _rt$abort_oob .globl __rt$abort_oob _rt$abort_oob: __rt$abort_oob: /* format pc */ movq (%rsp),%rax movq $15,%rdx .loop: movq %rax, %rcx andq $0xf, %rcx movb .digitchars(%rcx),%r8b movb %r8b,.pcstr(%rdx) subq $1, %rdx shrq $4, %rax jnz .loop /* write abort message */ movq $1, %rax /* write(fd=%rdi, msg=%rsi, len=%rdx) */ movq $2, %rdi /* fd */ movq $.msg, %rsi /* msg */ movq $(.msgend-.msg), %rdx /* length */ syscall /* kill self */ movq $39,%rax /* getpid */ syscall movq %rax, %rdi /* save pid */ movq $62, %rax /* kill(pid=%rdi, sig=%rsi) */ movq $6, %rsi /* kill(pid=%rdi, sig=%rsi) */ syscall .data .msg: /* pc name: */ .byte '0','x' .pcstr: .byte '0','0','0','0','0','0','0','0' .byte '0','0','0','0','0','0','0','0' .ascii ": out of bounds access\n" .msgend: .digitchars: .ascii "0123456789abcdef"