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Delete ASAN

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It hasn't been helpful enough to be justify the maintenance burden. What
actually does help is mprotect(), kprintf(), --ftrace and --strace which
can always be counted upon to work correctly. We aren't losing much with
this change. Support for ASAN on AARCH64 was never implemented. Applying
ASAN to the core libc runtimes was disabled many months ago. If there is
some way to have an ASAN runtime for user programs that is less invasive
we can potentially consider reintroducing support. But now is premature.
This commit is contained in:
Justine Tunney 2024-06-22 05:45:49 -07:00
parent 6ffed14b9c
commit d1d4388201
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GPG key ID: BE714B4575D6E328
198 changed files with 130 additions and 2954 deletions
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10
libc/integral/c.inc
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@ -176,8 +176,7 @@ typedef struct {
#define strftimeesque(n) __attribute__((__format__(__strftime__, n, 0)))
#ifndef privileged
#define privileged \
_Section(".privileged") dontinline dontinstrument dontubsan dontasan
#define privileged _Section(".privileged") dontinline dontinstrument dontubsan
#endif
#ifndef wontreturn
@ -522,13 +521,6 @@ typedef struct {
#define nocallersavedregisters
#endif
#if ((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 408 || \
__has_attribute(__no_sanitize_address__))
#define dontasan __attribute__((__no_sanitize_address__))
#else
#define dontasan
#endif
#if ((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 408 || \
__has_attribute(__no_sanitize_undefined__))
#define dontubsan __attribute__((__no_sanitize_undefined__))