diff options
Diffstat (limited to 'compiler-rt/lib/asan/scripts')
| -rwxr-xr-x | compiler-rt/lib/asan/scripts/gen_asm_instrumentation.sh | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/compiler-rt/lib/asan/scripts/gen_asm_instrumentation.sh b/compiler-rt/lib/asan/scripts/gen_asm_instrumentation.sh deleted file mode 100755 index e423a53d81e..00000000000 --- a/compiler-rt/lib/asan/scripts/gen_asm_instrumentation.sh +++ /dev/null @@ -1,215 +0,0 @@ -#!/bin/bash - -#===- lib/asan/scripts/gen_asm_instrumentation.sh -------------------------===# -# -# The LLVM Compiler Infrastructure -# -# This file is distributed under the University of Illinois Open Source -# License. See LICENSE.TXT for details. -# -# Emit x86 instrumentation functions for asan. -# -#===-----------------------------------------------------------------------===# - - -check() { - test $# -eq 2 || (echo "Incorrent number of arguments: $#" 1>&2 && exit 1) - case "$1" in - store) ;; - load) ;; - *) echo "Incorrect first argument: $1" 1>&2 && exit 1 ;; - esac - case "$2" in - [0-9]*) ;; - *) echo "Incorrect second argument: $2" 1>&2 && exit 1 ;; - esac -} - -fname() { - check $1 $2 - echo "__sanitizer_sanitize_$1$2" -} - -flabel() { - check $1 $2 - echo ".sanitize_$1$2_done" -} - -freport() { - check $1 $2 - echo "__asan_report_$1$2" -} - -cat <<EOF -// This file was generated by $(basename $0). Please, do not edit -// manually. -EOF - -echo ".section .text" - -echo "#if defined(__i386__)" - -# Functions for i386 1-, 2- and 4-byte accesses. -for as in 1 2 4 -do - for at in store load - do -cat <<EOF -.globl $(fname $at $as) -$(fname $at $as): - pushl %ebp - movl %esp, %ebp - pushl %eax - pushl %ecx - pushl %edx - pushfl - movl 8(%ebp), %eax - movl %eax, %ecx - shrl \$0x3, %ecx - movb 0x20000000(%ecx), %cl - testb %cl, %cl - je $(flabel $at $as) - movl %eax, %edx - andl \$0x7, %edx -EOF - - case $as in - 1) ;; - 2) echo ' incl %edx' ;; - 4) echo ' addl $0x3, %edx' ;; - *) echo "Incorrect access size: $as" 1>&2; exit 1 ;; - esac - -cat <<EOF - movsbl %cl, %ecx - cmpl %ecx, %edx - jl $(flabel $at $as) - pushl %eax - call $(freport $at $as) -$(flabel $at $as): - popfl - popl %edx - popl %ecx - popl %eax - movl %ebp, %esp - popl %ebp - ret -EOF - done -done - -# Functions for i386 8- and 16-byte accesses. -for as in 8 16 -do - for at in store load - do -cat <<EOF -.globl $(fname $at $as) -$(fname $at $as): - pushl %ebp - movl %esp, %ebp - pushl %eax - pushl %ecx - pushfl - movl 8(%ebp), %eax - movl %eax, %ecx - shrl \$0x3, %ecx -EOF - - case ${as} in - 8) echo ' cmpb $0x0, 0x20000000(%ecx)' ;; - 16) echo ' cmpw $0x0, 0x20000000(%ecx)' ;; - *) echo "Incorrect access size: ${as}" 1>&2; exit 1 ;; - esac - -cat <<EOF - je $(flabel $at $as) - pushl %eax - call $(freport $at $as) -$(flabel $at $as): - popfl - popl %ecx - popl %eax - movl %ebp, %esp - popl %ebp - ret -EOF - done -done - -echo "#endif // defined(__i386__)" - -echo "#if defined(__x86_64__)" - -# Functions for x86-64 1-, 2- and 4-byte accesses. -for as in 1 2 4 -do - for at in store load - do -cat <<EOF -.globl $(fname $at $as) -$(fname $at $as): - pushq %rax - pushq %rcx - pushfq - movq %rdi, %rax - shrq \$0x3, %rax - movb 0x7fff8000(%rax), %al - test %al, %al - je $(flabel $at $as) - movl %edi, %ecx - andl \$0x7, %ecx -EOF - - case ${as} in - 1) ;; - 2) echo ' incl %ecx' ;; - 4) echo ' addl $0x3, %ecx' ;; - *) echo "Incorrect access size: ${as}" 1>&2; exit 1 ;; - esac - -cat <<EOF - movsbl %al, %eax - cmpl %eax, %ecx - jl $(flabel $at $as) - call $(freport $at $as) -$(flabel $at $as): - popfq - popq %rcx - popq %rax - ret -EOF - done -done - -# Functions for x86-64 8- and 16-byte accesses. -for as in 8 16 -do - for at in store load - do -cat <<EOF -.globl $(fname $at $as) -$(fname $at $as): - pushq %rax - pushfq - movq %rdi, %rax - shrq \$0x3, %rax -EOF - - case ${as} in - 8) echo ' cmpb $0x0, 0x7fff8000(%rax)' ;; - 16) echo ' cmpw $0x0, 0x7fff8000(%rax)' ;; - *) echo "Incorrect access size: ${as}" 1>&2; exit 1 ;; - esac - -cat <<EOF - je $(flabel $at $as) - call $(freport $at $as) -$(flabel $at $as): - popfq - popq %rax - ret -EOF - done -done -echo "#endif // defined(__x86_64__)" |
