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Improve signal handling and math

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- Polyfill ucontext_t on FreeBSD/OpenBSD/NetBSD
- Add tests confirming signals can edit CPU state
- Work towards supporting ZIP filesystem on bare metal
- Add more tinymath unit tests for POSIX conformance
- Add X87 and SSE status flags to crash report
- Fix some bugs in blinkenlights
- Fix llvm build breakage
This commit is contained in:
Justine Tunney 2021-02-25 18:30:17 -08:00
parent cdc54ea1fd
commit 40291c9db3
109 changed files with 2316 additions and 520 deletions
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17
libc/calls/internal.h
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@ -206,17 +206,15 @@ void sys_exit(int) hidden;
╚────────────────────────────────────────────────────────────────────────────│*/
void __onfork(void) hidden;
bool32 __sigenter(i32, struct siginfo *, struct ucontext *) hidden;
i32 __fixupnewfd(i32, i32) hidden;
u32 __prot2nt(i32, i32) privileged;
void __restore_rt() hidden;
void __sigenter_xnu(void *, i32, i32, void *, void *) hidden wontreturn;
int sys_utimensat_xnu(int, const char *, const struct timespec *, int) hidden;
int sys_nanosleep_xnu(const struct timespec *, struct timespec *) hidden;
void __stat2linux(void *) hidden;
void __restore_rt_netbsd(void) hidden;
void __xnutrampoline(void *, i32, i32, const struct __darwin_siginfo *,
const struct __darwin_ucontext *) hidden wontreturn;
void __sigenter_xnu(void *, i32, i32, struct __darwin_siginfo *,
struct __darwin_ucontext *) hidden;
int gethostname_linux(char *, size_t) hidden;
int gethostname_bsd(char *, size_t) hidden;
int gethostname_nt(char *, size_t) hidden;
@ -288,19 +286,24 @@ int __mkntpath(const char *, char16_t[hasatleast PATH_MAX - 16]) hidden;
int __mkntpath2(const char *, char16_t[hasatleast PATH_MAX - 16], int) hidden;
int __mkntpathat(int, const char *, int, char16_t[PATH_MAX]) hidden;
unsigned __wincrash_nt(struct NtExceptionPointers *);
ssize_t sys_readv_nt(struct Fd *, const struct iovec *, int) hidden;
ssize_t sys_writev_nt(struct Fd *, const struct iovec *, int) hidden;
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § syscalls » metal ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
int fstat_metal(int, struct stat *);
int sys_fstat_metal(int, struct stat *);
int sys_openat_metal(int, const char *, int, unsigned);
ssize_t sys_readv_metal(struct Fd *, const struct iovec *, int) hidden;
ssize_t sys_writev_metal(struct Fd *, const struct iovec *, int) hidden;
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § syscalls » drivers ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
ssize_t readv_serial(struct Fd *, const struct iovec *, int) hidden;
ssize_t writev_serial(struct Fd *, const struct iovec *, int) hidden;
ssize_t sys_readv_serial(struct Fd *, const struct iovec *, int) hidden;
ssize_t sys_writev_serial(struct Fd *, const struct iovec *, int) hidden;
#undef sigset
#undef i32