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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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1
tool/emacs/cosmo-c-keywords.el
View file

@ -176,6 +176,7 @@
"interruptfn"
"nocallback"
"textstartup"
"textsyscall"
"warnifused"
"attributeallocsize"
"attributeallocalign"

2
tool/emacs/cosmo-stuff.el
View file

@ -441,7 +441,7 @@
(cond ((not (eq 0 (logand 8 arg)))
(cosmo--assembly (setq arg (logand (lognot 8)))
"SILENT=0 OVERRIDE_COPTS='-fverbose-asm -fsanitize=address'"))
(t (cosmo--assembly arg "SILENT=0 OVERRIDE_COPTS='-fverbose-asm -fsanitize=address' CPPFLAGS='-DSTACK_FRAME_UNLIMITED'"))))
(t (cosmo--assembly arg "SILENT=0 OVERRIDE_COPTS='' CPPFLAGS='-DSTACK_FRAME_UNLIMITED'"))))
(defun cosmo-assembly-native (arg)
(interactive "P")