cd0be65c26
libsanitizer/ * tsan: New directory. Import tsan runtime from llvm. * configure.ac: Add 64 bits tsan build. * Makefile.am: Likewise. * configure: Regenerated. * Makefile.in: Likewise. From-SVN: r193737
165 lines
3.4 KiB
ArmAsm
165 lines
3.4 KiB
ArmAsm
.section .text
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.globl __tsan_trace_switch_thunk
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__tsan_trace_switch_thunk:
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.cfi_startproc
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# Save scratch registers.
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push %rax
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rax, 0
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push %rcx
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rcx, 0
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push %rdx
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rdx, 0
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push %rsi
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rsi, 0
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push %rdi
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rdi, 0
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push %r8
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %r8, 0
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push %r9
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %r9, 0
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push %r10
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %r10, 0
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push %r11
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %r11, 0
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# Align stack frame.
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push %rbx # non-scratch
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rbx, 0
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mov %rsp, %rbx # save current rsp
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.cfi_def_cfa_register %rbx
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shr $4, %rsp # clear 4 lsb, align to 16
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shl $4, %rsp
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call __tsan_trace_switch
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# Unalign stack frame back.
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mov %rbx, %rsp # restore the original rsp
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.cfi_def_cfa_register %rsp
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pop %rbx
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.cfi_adjust_cfa_offset -8
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# Restore scratch registers.
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pop %r11
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.cfi_adjust_cfa_offset -8
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pop %r10
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.cfi_adjust_cfa_offset -8
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pop %r9
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.cfi_adjust_cfa_offset -8
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pop %r8
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.cfi_adjust_cfa_offset -8
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pop %rdi
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.cfi_adjust_cfa_offset -8
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pop %rsi
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.cfi_adjust_cfa_offset -8
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pop %rdx
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.cfi_adjust_cfa_offset -8
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pop %rcx
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.cfi_adjust_cfa_offset -8
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pop %rax
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.cfi_adjust_cfa_offset -8
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.cfi_restore %rax
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.cfi_restore %rbx
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.cfi_restore %rcx
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.cfi_restore %rdx
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.cfi_restore %rsi
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.cfi_restore %rdi
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.cfi_restore %r8
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.cfi_restore %r9
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.cfi_restore %r10
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.cfi_restore %r11
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ret
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.cfi_endproc
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.globl __tsan_report_race_thunk
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__tsan_report_race_thunk:
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.cfi_startproc
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# Save scratch registers.
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push %rax
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rax, 0
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push %rcx
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rcx, 0
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push %rdx
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rdx, 0
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push %rsi
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rsi, 0
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push %rdi
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rdi, 0
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push %r8
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %r8, 0
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push %r9
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %r9, 0
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push %r10
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %r10, 0
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push %r11
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %r11, 0
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# Align stack frame.
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push %rbx # non-scratch
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.cfi_adjust_cfa_offset 8
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.cfi_rel_offset %rbx, 0
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mov %rsp, %rbx # save current rsp
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.cfi_def_cfa_register %rbx
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shr $4, %rsp # clear 4 lsb, align to 16
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shl $4, %rsp
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call __tsan_report_race
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# Unalign stack frame back.
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mov %rbx, %rsp # restore the original rsp
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.cfi_def_cfa_register %rsp
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pop %rbx
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.cfi_adjust_cfa_offset -8
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# Restore scratch registers.
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pop %r11
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.cfi_adjust_cfa_offset -8
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pop %r10
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.cfi_adjust_cfa_offset -8
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pop %r9
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.cfi_adjust_cfa_offset -8
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pop %r8
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.cfi_adjust_cfa_offset -8
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pop %rdi
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.cfi_adjust_cfa_offset -8
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pop %rsi
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.cfi_adjust_cfa_offset -8
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pop %rdx
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.cfi_adjust_cfa_offset -8
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pop %rcx
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.cfi_adjust_cfa_offset -8
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pop %rax
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.cfi_adjust_cfa_offset -8
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.cfi_restore %rax
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.cfi_restore %rbx
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.cfi_restore %rcx
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.cfi_restore %rdx
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.cfi_restore %rsi
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.cfi_restore %rdi
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.cfi_restore %r8
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.cfi_restore %r9
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.cfi_restore %r10
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.cfi_restore %r11
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ret
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.cfi_endproc
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#ifdef __linux__
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/* We do not need executable stack. */
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.section .note.GNU-stack,"",@progbits
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#endif
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