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Implement more security stuff

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- Support deterministic stacks on OpenBSD
- Support OpenBSD system call origin verification
- Fix overrun by one in chibicc string token allocator
- Get all chibicc tests passing under Address Sanitizer
This commit is contained in:
Justine Tunney 2021-02-02 20:21:06 -08:00
parent cbfd4ccd1e
commit c843243322
56 changed files with 376 additions and 245 deletions
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130
libc/stubs/asan.S
View file

@ -22,253 +22,367 @@
/ @fileoverview Address Sanitizer Linker Poison
__asan_addr_is_in_fake_stack:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_addr_is_in_fake_stack,weak
__asan_after_dynamic_init:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_after_dynamic_init,weak
__asan_alloca_poison:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_alloca_poison,weak
__asan_allocas_unpoison:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_allocas_unpoison,weak
__asan_before_dynamic_init:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_before_dynamic_init,weak
__asan_get_current_fake_stack:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_get_current_fake_stack,weak
__asan_handle_no_return:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_handle_no_return,weak
__asan_init:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_init,weak
__asan_load1:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load1,weak
__asan_load2:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load2,weak
__asan_load4:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load4,weak
__asan_load8:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load8,weak
__asan_load16:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load16,weak
__asan_load32:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_load32,weak
__asan_option_detect_stack_use_after_return:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_option_detect_stack_use_after_return,weak
__asan_poison_stack_memory:
ud2
.endfn __asan_poison_stack_memory,weak
__asan_register_globals:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_register_globals,weak
__asan_report_load1:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_load1,weak
__asan_report_load2:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_load2,weak
__asan_report_load4:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_load4,weak
__asan_report_load8:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_load8,weak
__asan_report_load16:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_load16,weak
__asan_report_load_n:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_load_n,weak
__asan_report_store1:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_store1,weak
__asan_report_store2:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_store2,weak
__asan_report_store4:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_store4,weak
__asan_report_store8:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_store8,weak
__asan_report_store16:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_store16,weak
__asan_report_store32:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_store32,weak
__asan_report_store_n:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_report_store_n,weak
__asan_stack_free:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free,weak
__asan_stack_free_0:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free_0,weak
__asan_stack_free_1:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free_1,weak
__asan_stack_free_10:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free_10,weak
__asan_stack_free_2:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free_2,weak
__asan_stack_free_3:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free_3,weak
__asan_stack_free_4:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free_4,weak
__asan_stack_free_5:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free_5,weak
__asan_stack_free_6:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free_6,weak
__asan_stack_free_7:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free_7,weak
__asan_stack_free_8:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free_8,weak
__asan_stack_free_9:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_free_9,weak
__asan_stack_malloc:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc,weak
__asan_stack_malloc_0:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc_0,weak
__asan_stack_malloc_1:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc_1,weak
__asan_stack_malloc_2:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc_2,weak
__asan_stack_malloc_3:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc_3,weak
__asan_stack_malloc_4:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc_4,weak
__asan_stack_malloc_5:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc_5,weak
__asan_stack_malloc_6:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc_6,weak
__asan_stack_malloc_7:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc_7,weak
__asan_stack_malloc_8:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc_8,weak
__asan_stack_malloc_9:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc_9,weak
__asan_stack_malloc_10:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_stack_malloc_10,weak
__asan_store1:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store1,weak
__asan_store2:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store2,weak
__asan_store4:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store4,weak
__asan_store8:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store8,weak
__asan_store16:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store16,weak
__asan_store32:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_store32,weak
__asan_unpoison_stack_memory:
ud2
.endfn __asan_unpoison_stack_memory,weak
__asan_unregister_globals:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_unregister_globals,weak
__asan_version_mismatch_check_v8:
push %rbp
mov %rsp,%rbp
ud2
.endfn __asan_version_mismatch_check_v8,weak