2013-12-05 11:28:59 +01:00
|
|
|
#include "sanitizer_common/sanitizer_asm.h"
|
|
|
|
.hidden __tsan_trace_switch
|
2012-11-22 23:03:11 +01:00
|
|
|
.globl __tsan_trace_switch_thunk
|
|
|
|
__tsan_trace_switch_thunk:
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_STARTPROC
|
2012-11-22 23:03:11 +01:00
|
|
|
# Save scratch registers.
|
|
|
|
push %rax
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rax, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %rcx
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rcx, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %rdx
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rdx, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %rsi
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rsi, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %rdi
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rdi, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %r8
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%r8, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %r9
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%r9, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %r10
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%r10, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %r11
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%r11, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
# Align stack frame.
|
|
|
|
push %rbx # non-scratch
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rbx, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
mov %rsp, %rbx # save current rsp
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_DEF_CFA_REGISTER(%rbx)
|
2012-11-22 23:03:11 +01:00
|
|
|
shr $4, %rsp # clear 4 lsb, align to 16
|
|
|
|
shl $4, %rsp
|
|
|
|
|
|
|
|
call __tsan_trace_switch
|
|
|
|
|
|
|
|
# Unalign stack frame back.
|
|
|
|
mov %rbx, %rsp # restore the original rsp
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_DEF_CFA_REGISTER(%rsp)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rbx
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
# Restore scratch registers.
|
|
|
|
pop %r11
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %r10
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %r9
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %r8
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rdi
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rsi
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rdx
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rcx
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rax
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
|
|
|
CFI_RESTORE(%rax)
|
|
|
|
CFI_RESTORE(%rbx)
|
|
|
|
CFI_RESTORE(%rcx)
|
|
|
|
CFI_RESTORE(%rdx)
|
|
|
|
CFI_RESTORE(%rsi)
|
|
|
|
CFI_RESTORE(%rdi)
|
|
|
|
CFI_RESTORE(%r8)
|
|
|
|
CFI_RESTORE(%r9)
|
|
|
|
CFI_RESTORE(%r10)
|
|
|
|
CFI_RESTORE(%r11)
|
2012-11-22 23:03:11 +01:00
|
|
|
ret
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ENDPROC
|
2012-11-22 23:03:11 +01:00
|
|
|
|
2013-12-05 11:28:59 +01:00
|
|
|
.hidden __tsan_report_race
|
2012-11-22 23:03:11 +01:00
|
|
|
.globl __tsan_report_race_thunk
|
|
|
|
__tsan_report_race_thunk:
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_STARTPROC
|
2012-11-22 23:03:11 +01:00
|
|
|
# Save scratch registers.
|
|
|
|
push %rax
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rax, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %rcx
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rcx, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %rdx
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rdx, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %rsi
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rsi, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %rdi
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rdi, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %r8
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%r8, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %r9
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%r9, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %r10
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%r10, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
push %r11
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%r11, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
# Align stack frame.
|
|
|
|
push %rbx # non-scratch
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rbx, 0)
|
2012-11-22 23:03:11 +01:00
|
|
|
mov %rsp, %rbx # save current rsp
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_DEF_CFA_REGISTER(%rbx)
|
2012-11-22 23:03:11 +01:00
|
|
|
shr $4, %rsp # clear 4 lsb, align to 16
|
|
|
|
shl $4, %rsp
|
|
|
|
|
|
|
|
call __tsan_report_race
|
|
|
|
|
|
|
|
# Unalign stack frame back.
|
|
|
|
mov %rbx, %rsp # restore the original rsp
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_DEF_CFA_REGISTER(%rsp)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rbx
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
# Restore scratch registers.
|
|
|
|
pop %r11
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %r10
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %r9
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %r8
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rdi
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rsi
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rdx
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rcx
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
2012-11-22 23:03:11 +01:00
|
|
|
pop %rax
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
|
|
|
CFI_RESTORE(%rax)
|
|
|
|
CFI_RESTORE(%rbx)
|
|
|
|
CFI_RESTORE(%rcx)
|
|
|
|
CFI_RESTORE(%rdx)
|
|
|
|
CFI_RESTORE(%rsi)
|
|
|
|
CFI_RESTORE(%rdi)
|
|
|
|
CFI_RESTORE(%r8)
|
|
|
|
CFI_RESTORE(%r9)
|
|
|
|
CFI_RESTORE(%r10)
|
|
|
|
CFI_RESTORE(%r11)
|
2012-11-22 23:03:11 +01:00
|
|
|
ret
|
2013-12-05 11:28:59 +01:00
|
|
|
CFI_ENDPROC
|
|
|
|
|
|
|
|
.hidden __tsan_setjmp
|
|
|
|
.comm _ZN14__interception11real_setjmpE,8,8
|
|
|
|
.globl setjmp
|
|
|
|
.type setjmp, @function
|
|
|
|
setjmp:
|
|
|
|
CFI_STARTPROC
|
|
|
|
// save env parameter
|
|
|
|
push %rdi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rdi, 0)
|
|
|
|
// obtain %rsp
|
|
|
|
lea 16(%rsp), %rdi
|
|
|
|
mov %rdi, %rsi
|
|
|
|
xor %fs:0x30, %rsi // magic mangling of rsp (see libc setjmp)
|
|
|
|
rol $0x11, %rsi
|
|
|
|
// call tsan interceptor
|
|
|
|
call __tsan_setjmp
|
|
|
|
// restore env parameter
|
|
|
|
pop %rdi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
|
|
|
CFI_RESTORE(%rdi)
|
|
|
|
// tail jump to libc setjmp
|
|
|
|
movl $0, %eax
|
|
|
|
movq _ZN14__interception11real_setjmpE@GOTPCREL(%rip), %rdx
|
|
|
|
jmp *(%rdx)
|
|
|
|
CFI_ENDPROC
|
|
|
|
.size setjmp, .-setjmp
|
|
|
|
|
|
|
|
.comm _ZN14__interception12real__setjmpE,8,8
|
|
|
|
.globl _setjmp
|
|
|
|
.type _setjmp, @function
|
|
|
|
_setjmp:
|
|
|
|
CFI_STARTPROC
|
|
|
|
// save env parameter
|
|
|
|
push %rdi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rdi, 0)
|
|
|
|
// obtain %rsp
|
|
|
|
lea 16(%rsp), %rdi
|
|
|
|
mov %rdi, %rsi
|
|
|
|
xor %fs:0x30, %rsi // magic mangling of rsp (see libc setjmp)
|
|
|
|
rol $0x11, %rsi
|
|
|
|
// call tsan interceptor
|
|
|
|
call __tsan_setjmp
|
|
|
|
// restore env parameter
|
|
|
|
pop %rdi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
|
|
|
CFI_RESTORE(%rdi)
|
|
|
|
// tail jump to libc setjmp
|
|
|
|
movl $0, %eax
|
|
|
|
movq _ZN14__interception12real__setjmpE@GOTPCREL(%rip), %rdx
|
|
|
|
jmp *(%rdx)
|
|
|
|
CFI_ENDPROC
|
|
|
|
.size _setjmp, .-_setjmp
|
|
|
|
|
|
|
|
.comm _ZN14__interception14real_sigsetjmpE,8,8
|
|
|
|
.globl sigsetjmp
|
|
|
|
.type sigsetjmp, @function
|
|
|
|
sigsetjmp:
|
|
|
|
CFI_STARTPROC
|
|
|
|
// save env parameter
|
|
|
|
push %rdi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rdi, 0)
|
|
|
|
// save savesigs parameter
|
|
|
|
push %rsi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rsi, 0)
|
|
|
|
// align stack frame
|
|
|
|
sub $8, %rsp
|
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
// obtain %rsp
|
|
|
|
lea 32(%rsp), %rdi
|
|
|
|
mov %rdi, %rsi
|
|
|
|
xor %fs:0x30, %rsi // magic mangling of rsp (see libc setjmp)
|
|
|
|
rol $0x11, %rsi
|
|
|
|
// call tsan interceptor
|
|
|
|
call __tsan_setjmp
|
|
|
|
// unalign stack frame
|
|
|
|
add $8, %rsp
|
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
|
|
|
// restore savesigs parameter
|
|
|
|
pop %rsi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
|
|
|
CFI_RESTORE(%rsi)
|
|
|
|
// restore env parameter
|
|
|
|
pop %rdi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
|
|
|
CFI_RESTORE(%rdi)
|
|
|
|
// tail jump to libc sigsetjmp
|
|
|
|
movl $0, %eax
|
|
|
|
movq _ZN14__interception14real_sigsetjmpE@GOTPCREL(%rip), %rdx
|
|
|
|
jmp *(%rdx)
|
|
|
|
CFI_ENDPROC
|
|
|
|
.size sigsetjmp, .-sigsetjmp
|
|
|
|
|
|
|
|
.comm _ZN14__interception16real___sigsetjmpE,8,8
|
|
|
|
.globl __sigsetjmp
|
|
|
|
.type __sigsetjmp, @function
|
|
|
|
__sigsetjmp:
|
|
|
|
CFI_STARTPROC
|
|
|
|
// save env parameter
|
|
|
|
push %rdi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rdi, 0)
|
|
|
|
// save savesigs parameter
|
|
|
|
push %rsi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
CFI_REL_OFFSET(%rsi, 0)
|
|
|
|
// align stack frame
|
|
|
|
sub $8, %rsp
|
|
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
|
|
// obtain %rsp
|
|
|
|
lea 32(%rsp), %rdi
|
|
|
|
mov %rdi, %rsi
|
|
|
|
xor %fs:0x30, %rsi // magic mangling of rsp (see libc setjmp)
|
|
|
|
rol $0x11, %rsi
|
|
|
|
// call tsan interceptor
|
|
|
|
call __tsan_setjmp
|
|
|
|
// unalign stack frame
|
|
|
|
add $8, %rsp
|
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
|
|
|
// restore savesigs parameter
|
|
|
|
pop %rsi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
|
|
|
CFI_RESTORE(%rsi)
|
|
|
|
// restore env parameter
|
|
|
|
pop %rdi
|
|
|
|
CFI_ADJUST_CFA_OFFSET(-8)
|
|
|
|
CFI_RESTORE(%rdi)
|
|
|
|
// tail jump to libc sigsetjmp
|
|
|
|
movl $0, %eax
|
|
|
|
movq _ZN14__interception16real___sigsetjmpE@GOTPCREL(%rip), %rdx
|
|
|
|
jmp *(%rdx)
|
|
|
|
CFI_ENDPROC
|
|
|
|
.size __sigsetjmp, .-__sigsetjmp
|
2012-11-22 23:03:11 +01:00
|
|
|
|
|
|
|
#ifdef __linux__
|
|
|
|
/* We do not need executable stack. */
|
|
|
|
.section .note.GNU-stack,"",@progbits
|
|
|
|
#endif
|