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gerrit-public.fairphone.software / toolchain / llvm-project / b7f1852140355a8e8ba7a7958255fe615dc86693 / . / compiler-rt / lib / tsan / rtl / tsan_rtl_amd64.S
blob: aee650d9f4e66add4d520be3242c72801547cdd6 [file] [log] [blame]
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]1.section .text
2
3.globl __tsan_trace_switch_thunk
4__tsan_trace_switch_thunk:
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]5 .cfi_startproc
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]6 # Save scratch registers.
7 push %rax
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]8 .cfi_adjust_cfa_offset 8
9 .cfi_rel_offset %rax, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]10 push %rcx
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]11 .cfi_adjust_cfa_offset 8
12 .cfi_rel_offset %rcx, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]13 push %rdx
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]14 .cfi_adjust_cfa_offset 8
15 .cfi_rel_offset %rdx, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]16 push %rsi
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]17 .cfi_adjust_cfa_offset 8
18 .cfi_rel_offset %rsi, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]19 push %rdi
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]20 .cfi_adjust_cfa_offset 8
21 .cfi_rel_offset %rdi, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]22 push %r8
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]23 .cfi_adjust_cfa_offset 8
24 .cfi_rel_offset %r8, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]25 push %r9
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]26 .cfi_adjust_cfa_offset 8
27 .cfi_rel_offset %r9, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]28 push %r10
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]29 .cfi_adjust_cfa_offset 8
30 .cfi_rel_offset %r10, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]31 push %r11
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]32 .cfi_adjust_cfa_offset 8
33 .cfi_rel_offset %r11, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]34 # Align stack frame.
35 push %rbx # non-scratch
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]36 .cfi_adjust_cfa_offset 8
37 .cfi_rel_offset %rbx, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]38 mov %rsp, %rbx # save current rsp
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]39 .cfi_def_cfa_register %rbx
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]40 shr $4, %rsp # clear 4 lsb, align to 16
41 shl $4, %rsp
42
43 call __tsan_trace_switch
44
45 # Unalign stack frame back.
46 mov %rbx, %rsp # restore the original rsp
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]47 .cfi_def_cfa_register %rsp
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]48 pop %rbx
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]49 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]50 # Restore scratch registers.
51 pop %r11
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]52 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]53 pop %r10
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]54 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]55 pop %r9
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]56 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]57 pop %r8
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]58 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]59 pop %rdi
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]60 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]61 pop %rsi
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]62 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]63 pop %rdx
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]64 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]65 pop %rcx
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]66 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]67 pop %rax
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]68 .cfi_adjust_cfa_offset -8
69 .cfi_restore %rax
70 .cfi_restore %rbx
71 .cfi_restore %rcx
72 .cfi_restore %rdx
73 .cfi_restore %rsi
74 .cfi_restore %rdi
75 .cfi_restore %r8
76 .cfi_restore %r9
77 .cfi_restore %r10
78 .cfi_restore %r11
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]79 ret
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]80 .cfi_endproc
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]81
82.globl __tsan_report_race_thunk
83__tsan_report_race_thunk:
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]84 .cfi_startproc
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]85 # Save scratch registers.
86 push %rax
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]87 .cfi_adjust_cfa_offset 8
88 .cfi_rel_offset %rax, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]89 push %rcx
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]90 .cfi_adjust_cfa_offset 8
91 .cfi_rel_offset %rcx, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]92 push %rdx
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]93 .cfi_adjust_cfa_offset 8
94 .cfi_rel_offset %rdx, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]95 push %rsi
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]96 .cfi_adjust_cfa_offset 8
97 .cfi_rel_offset %rsi, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]98 push %rdi
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]99 .cfi_adjust_cfa_offset 8
100 .cfi_rel_offset %rdi, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]101 push %r8
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]102 .cfi_adjust_cfa_offset 8
103 .cfi_rel_offset %r8, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]104 push %r9
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]105 .cfi_adjust_cfa_offset 8
106 .cfi_rel_offset %r9, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]107 push %r10
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]108 .cfi_adjust_cfa_offset 8
109 .cfi_rel_offset %r10, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]110 push %r11
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]111 .cfi_adjust_cfa_offset 8
112 .cfi_rel_offset %r11, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]113 # Align stack frame.
114 push %rbx # non-scratch
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]115 .cfi_adjust_cfa_offset 8
116 .cfi_rel_offset %rbx, 0
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]117 mov %rsp, %rbx # save current rsp
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]118 .cfi_def_cfa_register %rbx
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]119 shr $4, %rsp # clear 4 lsb, align to 16
120 shl $4, %rsp
121
122 call __tsan_report_race
123
124 # Unalign stack frame back.
125 mov %rbx, %rsp # restore the original rsp
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]126 .cfi_def_cfa_register %rsp
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]127 pop %rbx
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]128 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]129 # Restore scratch registers.
130 pop %r11
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]131 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]132 pop %r10
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]133 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]134 pop %r9
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]135 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]136 pop %r8
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]137 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]138 pop %rdi
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]139 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]140 pop %rsi
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]141 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]142 pop %rdx
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]143 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]144 pop %rcx
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]145 .cfi_adjust_cfa_offset -8
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]146 pop %rax
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]147 .cfi_adjust_cfa_offset -8
148 .cfi_restore %rax
149 .cfi_restore %rbx
150 .cfi_restore %rcx
151 .cfi_restore %rdx
152 .cfi_restore %rsi
153 .cfi_restore %rdi
154 .cfi_restore %r8
155 .cfi_restore %r9
156 .cfi_restore %r10
157 .cfi_restore %r11
Kostya Serebryany4ad375f2012-05-10 13:48:04 +0000[diff] [blame]158 ret
Dmitry Vyukovb7f18522012-09-02 11:24:07 +0000[diff] [blame^]159 .cfi_endproc
Dmitry Vyukove2b5b5c2012-08-17 18:05:28 +0000[diff] [blame]160
161#ifdef __linux__
162/* We do not need executable stack. */
163.section .note.GNU-stack,"",@progbits
164#endif