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-rw-r--r--rt/abort-netbsd.s42
1 files changed, 42 insertions, 0 deletions
diff --git a/rt/abort-netbsd.s b/rt/abort-netbsd.s
new file mode 100644
index 0000000..a4b12bb
--- /dev/null
+++ b/rt/abort-netbsd.s
@@ -0,0 +1,42 @@
+.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"