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- Get threads working on NetBSD
- Get threads working on OpenBSD
- Fix Emacs config for Emacs v28
- Improve --strace logging of sigset_t
- Improve --strace logging of struct stat
- Improve memory safety of DescribeThing functions
- Refactor auto stack allocation into LIBC_RUNTIME
- Introduce shell.com example which works on Windows
- Refactor __strace_thing into DescribeThing functions
- Document the CHECK macros and improve them in NDEBUG mode
- Rewrite MAP_STACK so it uses FreeBSD behavior across platforms
- Deprecate and discourage the use of MAP_GROWSDOWN (it's weird)
This commit is contained in:
Justine Tunney 2022-05-12 06:43:59 -07:00
parent dd9ab01d25
commit e7611a8476
101 changed files with 967 additions and 464 deletions
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48
libc/log/check.h
View file

@ -24,19 +24,20 @@ COSMOPOLITAN_C_START_
#define DCHECK_NOTNULL(X, ...) \
__DCHK(ne, !=, NULL, "NULL", X, #X, "" __VA_ARGS__)
#define CHECK_ALIGNED(BYTES, VAR) \
do { \
if (((uintptr_t)VAR & ((BYTES)-1u))) { \
__check_fail_aligned(BYTES, (uintptr_t)VAR); \
unreachable; \
} \
VAR = (typeof(VAR))__builtin_assume_aligned(VAR, BYTES); \
#define CHECK_ALIGNED(BYTES, VAR, ...) \
do { \
if (((uintptr_t)VAR & ((BYTES)-1u))) { \
__check_fail_aligned(BYTES, (uintptr_t)VAR, __FILE__, __LINE__, \
"" __VA_ARGS__); \
unreachable; \
} \
VAR = (typeof(VAR))__builtin_assume_aligned(VAR, BYTES); \
} while (0)
#define DCHECK_ALIGNED(BYTES, VAR) \
#define DCHECK_ALIGNED(BYTES, VAR, ...) \
do { \
if (((uintptr_t)VAR & ((BYTES)-1u))) { \
__DCHK_ALIGNED(BYTES, (uintptr_t)VAR); \
__DCHK_ALIGNED(BYTES, (uintptr_t)VAR, "" __VA_ARGS__); \
unreachable; \
} \
VAR = (typeof(VAR))__builtin_assume_aligned(VAR, BYTES); \
@ -51,7 +52,8 @@ COSMOPOLITAN_C_START_
__check_fail(#SUFFIX, #OP, (uint64_t)Want, (WANTSTR), (uint64_t)Got, \
(GOTSTR), __FILE__, __LINE__, __VA_ARGS__); \
} else { \
__check_fail_##SUFFIX((uint64_t)Want, (uint64_t)Got); \
__check_fail_##SUFFIX((uint64_t)Want, (uint64_t)Got, __FILE__, \
__LINE__, 0, __VA_ARGS__); \
} \
unreachable; \
} \
@ -72,22 +74,30 @@ COSMOPOLITAN_C_START_
#endif /* NDEBUG */
#ifdef NDEBUG
#define __DCHK_ALIGNED(BYTES, VAR)
#define __DCHK_ALIGNED(BYTES, VAR, ...)
#else
#define __DCHK_ALIGNED(BYTES, VAR) __check_fail_aligned(BYTES, VAR)
#define __DCHK_ALIGNED(BYTES, VAR, ...) \
__check_fail_aligned(BYTES, VAR, __FILE__, __LINE__, __VA_ARGS__)
#endif
void __check_fail(const char *, const char *, uint64_t, const char *, uint64_t,
const char *, const char *, int, const char *,
...) relegated wontreturn;
void __check_fail_eq(uint64_t, uint64_t) relegated wontreturn;
void __check_fail_ne(uint64_t, uint64_t) relegated wontreturn;
void __check_fail_le(uint64_t, uint64_t) relegated wontreturn;
void __check_fail_lt(uint64_t, uint64_t) relegated wontreturn;
void __check_fail_ge(uint64_t, uint64_t) relegated wontreturn;
void __check_fail_gt(uint64_t, uint64_t) relegated wontreturn;
void __check_fail_aligned(unsigned, uint64_t) relegated wontreturn;
void __check_fail_eq(uint64_t, uint64_t, const char *, int, const char *,
const char *, ...) relegated wontreturn;
void __check_fail_ne(uint64_t, uint64_t, const char *, int, const char *,
const char *, ...) relegated wontreturn;
void __check_fail_le(uint64_t, uint64_t, const char *, int, const char *,
const char *, ...) relegated wontreturn;
void __check_fail_lt(uint64_t, uint64_t, const char *, int, const char *,
const char *, ...) relegated wontreturn;
void __check_fail_ge(uint64_t, uint64_t, const char *, int, const char *,
const char *, ...) relegated wontreturn;
void __check_fail_gt(uint64_t, uint64_t, const char *, int, const char *,
const char *, ...) relegated wontreturn;
void __check_fail_aligned(unsigned, uint64_t, const char *, int, const char *,
...) relegated wontreturn;
#ifdef __VSCODE_INTELLISENSE__
#undef __CHK