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Eliminate some flakes

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- Get ASAN working on Windows.

- Deleting directories and then recreating them with the same name in a
  short period of time appears to be a no-no on Windows.

- There's no reason to call FlushFileBuffers on close() for pipes, and
  it's harmful since it might block indefinitely for no good reason.
This commit is contained in:
Justine Tunney 2021-02-03 06:22:51 -08:00
parent 27c899af56
commit 4e56d89dcd
60 changed files with 588 additions and 751 deletions
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129
libc/intrin/somanyasan.S
View file

@ -25,6 +25,18 @@
/ since ASAN has the same stylistic hugeness as UBSAN.
/ We also guard all the functions, against reentrancy.
.rodata.cst4
__asan_option_detect_stack_use_after_return:
.long 0
.endobj __asan_option_detect_stack_use_after_return,globl
.previous
.bss
__asan_noreentry:
.byte 0
.endobj __asan_noreentry
.previous
__asan_report_load1:
push $1
jmp OnReportLoad
@ -43,14 +55,18 @@ __asan_report_load8:
.endfn __asan_report_load8,globl
__asan_report_load16:
push $16
/ 𝑠𝑙𝑖𝑑𝑒
jmp OnReportLoad
.endfn __asan_report_load16,globl
__asan_report_load32:
push $32
/ 𝑠𝑙𝑖𝑑𝑒
.endfn __asan_report_load32,globl
OnReportLoad:
pop %rsi
/ 𝑠𝑙𝑖𝑑𝑒
.endfn OnReportLoad
__asan_report_load_n:
lea __asan_report_load_impl(%rip),%r11
lea __asan_report_load(%rip),%r11
jmp __asan_report_noreentry
.endfn __asan_report_load_n,globl
@ -83,7 +99,7 @@ ReportStore:
/ 𝑠𝑙𝑖𝑑𝑒
.endfn ReportStore
__asan_report_store_n:
lea __asan_report_store_impl(%rip),%r11
lea __asan_report_store(%rip),%r11
/ 𝑠𝑙𝑖𝑑𝑒
.endfn __asan_report_store_n,globl
@ -198,31 +214,6 @@ OnStackMalloc:
jmp __asan_stack_malloc
.endfn OnStackMalloc
__asan_handle_no_return:
push %rbp
mov %rsp,%rbp
lea 8(%rsp),%rdi
call __asan_handle_no_return_impl
pop %rbp
ret
.endfn __asan_handle_no_return,globl
__asan_before_dynamic_init:
push %rbp
mov %rsp,%rbp
ud2
pop %rbp
ret
.endfn __asan_before_dynamic_init,globl
__asan_after_dynamic_init:
push %rbp
mov %rsp,%rbp
ud2
pop %rbp
ret
.endfn __asan_after_dynamic_init,globl
__asan_version_mismatch_check_v8:
ret
.endfn __asan_version_mismatch_check_v8,globl
@ -240,14 +231,76 @@ __asan_version_mismatch_check_v8:
pop %rdi
.init.end 301,_init_asan
.rodata.cst4
__asan_option_detect_stack_use_after_return:
.long 0
.endobj __asan_option_detect_stack_use_after_return,globl
.previous
__asan_before_dynamic_init:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_before_dynamic_init,globl
.bss
__asan_noreentry:
.byte 0
.endobj __asan_noreentry
.previous
__asan_after_dynamic_init:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_after_dynamic_init,globl
__asan_load1:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load1,globl
__asan_load2:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load2,globl
__asan_load4:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load4,globl
__asan_load8:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load8,globl
__asan_load16:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load16,globl
__asan_load32:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load32,globl
__asan_store1:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store1,globl
__asan_store2:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store2,globl
__asan_store4:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store4,globl
__asan_store8:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store8,globl
__asan_store16:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store16,globl
__asan_store32:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store32,globl