ref: e5dd8ad363ca3747c1757e0c3245dae713b0e3c8
dir: /rt/abort-openbsd.s/
.text .globl _rt$abort_oob .globl __rt$abort_oob _rt$abort_oob: __rt$abort_oob: /* format pc */ movq (%rsp),%rax movq $15,%rdx leaq .digitchars(%rip),%r8 leaq .pcstr(%rip),%r9 .loop: movq %rax, %rcx andq $0xf, %rcx movb (%r8,%rcx),%r10b movb %r10b,(%r9,%rdx) subq $1, %rdx shrq $4, %rax jnz .loop /* write abort message */ movq $4, %rax /* write(fd=%rdi, msg=%rsi, len=%rdx) */ movq $2, %rdi /* fd */ leaq .msg(%rip), %rsi /* msg */ movq $(.msgend-.msg), %rdx /* length */ syscall /* kill self */ movq $20,%rax /* getpid */ syscall movq %rax, %rdi /* save pid */ movq $37, %rax /* kill(pid=%rdi, sig=%rsi) */ movq $6, %rsi syscall .data .msg: /* pc name: */ .ascii "0x" .pcstr: .ascii "0000000000000000" .ascii ": out of bounds access\n" .msgend: .digitchars: .ascii "0123456789abcdef"