ref: 2c27f80bb5f4d8084f1d8cf9d01c4377dba92c2f
parent: 216975cab68aaa631ae92b467614465cb42bca10
author: Ori Bernstein <[email protected]>
date: Mon Sep 15 16:37:50 EDT 2014
Split abort-linux.s, abort-osx.s
Syscall numbers are different. What was I smoking, and where
can I get some?
--- /dev/null
+++ b/rt/abort-linux.s
@@ -1,0 +1,41 @@
+.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 $6, %rsi /* kill(pid=%rdi, sig=%rsi) */
+ syscall
+.data
+.msg: /* pc name: */
+ .byte '0','x'
+.pcstr:
+ .byte '0','0','0','0','0','0','0','0'
+ .byte '0','0','0','0','0','0','0','0'
+ .ascii ": out of bounds access\n"
+.msgend:
+
+.digitchars:
+ .ascii "0123456789abcdef"
--- /dev/null
+++ b/rt/abort-osx.s
@@ -1,0 +1,42 @@
+.text
+
+.globl _rt$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 $0x2000004, %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 $0x2000014,%rax /* getpid */
+ syscall
+ movq %rax, %rdi /* save pid */
+ movq $0x2000025, %rax /* kill(pid=%rdi, sig=%rsi) */
+ movq $6, %rsi
+ syscall
+.data
+.msg: /* pc name: */
+ .ascii "0x"
+.pcstr:
+ .ascii "0000000000000000"
+ .ascii ": out of bounds access\n"
+.msgend:
+
+.digitchars:
+ .ascii "0123456789abcdef"
--- a/rt/abort.s
+++ /dev/null
@@ -1,42 +1,0 @@
-.text
-
-.globl _rt$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 $1, %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 $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: */
- .ascii "0x"
-.pcstr:
- .ascii "0000000000000000"
- .ascii ": out of bounds access\n"
-.msgend:
-
-.digitchars:
- .ascii "0123456789abcdef"