mirror of
https://github.com/jart/cosmopolitan.git
synced 2024-05-18 03:22:40 +00:00
57c0b065c8
It's now possible to safely print C++ backtraces from signal handlers. This symbol demangler doesn't need malloc, tls, or even static memory. Additionally, this change makes it 2x faster and adds test cases. It's almost as performant and accurate as the libcxxabi implementation now.
153 lines
5 KiB
C
153 lines
5 KiB
C
#ifndef COSMOPOLITAN_LIBC_RUNTIME_RUNTIME_H_
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#define COSMOPOLITAN_LIBC_RUNTIME_RUNTIME_H_
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COSMOPOLITAN_C_START_
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § runtime ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#ifdef __x86_64__
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typedef long jmp_buf[8];
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typedef long sigjmp_buf[11];
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#elif defined(__aarch64__)
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typedef long jmp_buf[22];
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typedef long sigjmp_buf[25];
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#elif defined(__powerpc64__)
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typedef unsigned __int128 jmp_buf[32];
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#elif defined(__s390x__)
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typedef unsigned long jmp_buf[18];
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#elif defined(__riscv)
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typedef unsigned long jmp_buf[26];
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#endif
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void mcount(void);
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int daemon(int, int);
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unsigned long getauxval(unsigned long);
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int setjmp(jmp_buf)
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libcesque returnstwice paramsnonnull();
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void longjmp(jmp_buf, int) libcesque wontreturn paramsnonnull();
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int _setjmp(jmp_buf)
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libcesque returnstwice paramsnonnull();
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int sigsetjmp(sigjmp_buf, int) libcesque returnstwice paramsnonnull();
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void siglongjmp(sigjmp_buf, int) libcesque wontreturn paramsnonnull();
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void _longjmp(jmp_buf, int) libcesque wontreturn paramsnonnull();
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void exit(int) wontreturn;
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void _exit(int) libcesque wontreturn;
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void _Exit(int) libcesque wontreturn;
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void quick_exit(int) wontreturn;
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void abort(void) wontreturn;
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int atexit(void (*)(void)) paramsnonnull() libcesque;
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char *getenv(const char *) paramsnonnull() __wur nosideeffect libcesque;
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int putenv(char *);
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int setenv(const char *, const char *, int);
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int unsetenv(const char *);
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int clearenv(void);
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void fpreset(void);
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void *mmap(void *, uint64_t, int32_t, int32_t, int32_t, int64_t);
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int munmap(void *, uint64_t);
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int mprotect(void *, uint64_t, int);
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int msync(void *, size_t, int);
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int mlock(const void *, size_t);
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int munlock(const void *, size_t);
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long gethostid(void);
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int sethostid(long);
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char *getlogin(void);
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int getlogin_r(char *, size_t);
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int login_tty(int);
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int getpagesize(void);
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int syncfs(int) dontthrow;
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int vhangup(void);
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int getdtablesize(void);
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int sethostname(const char *, size_t);
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int acct(const char *);
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#if defined(_GNU_SOURCE) || defined(_COSMO_SOURCE)
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extern char **environ;
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char *secure_getenv(const char *) paramsnonnull() __wur nosideeffect libcesque;
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#endif
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#ifdef _COSMO_SOURCE
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extern int __argc;
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extern char **__argv;
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extern char **__envp;
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extern unsigned long *__auxv;
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extern intptr_t __oldstack;
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extern char *__program_executable_name;
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extern uint64_t __nosync;
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extern int __strace;
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extern int __ftrace;
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extern uint64_t __syscount;
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extern uint64_t kStartTsc;
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extern const char kNtSystemDirectory[];
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extern const char kNtWindowsDirectory[];
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extern size_t __virtualmax;
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extern size_t __stackmax;
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extern bool32 __isworker;
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/* utilities */
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void _intsort(int *, size_t);
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void _longsort(long *, size_t);
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/* diagnostics */
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void ShowCrashReports(void);
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int ftrace_install(void);
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int ftrace_enabled(int);
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int strace_enabled(int);
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void __print_maps(void);
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void __printargs(const char *);
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/* builtin sh-like system/popen dsl */
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int _cocmd(int, char **, char **);
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/* executable program */
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char *GetProgramExecutableName(void);
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char *GetInterpreterExecutableName(char *, size_t);
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int __open_executable(void);
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/* execution control */
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int verynice(void);
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void __warn_if_powersave(void);
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void _Exit1(int) libcesque wontreturn;
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void __paginate(int, const char *);
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void __paginate_file(int, const char *);
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/* memory management */
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void _weakfree(void *);
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void *_mapanon(size_t) attributeallocsize((1)) mallocesque;
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void *_mapshared(size_t) attributeallocsize((1)) mallocesque;
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void CheckForMemoryLeaks(void);
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void CheckForFileLeaks(void);
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bool32 _isheap(const void *);
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void __enable_threads(void);
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void __oom_hook(size_t);
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/* code morphing */
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void __morph_begin(void);
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void __morph_end(void);
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void __jit_begin(void);
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void __jit_end(void);
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void __clear_cache(void *, void *);
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/* portability */
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int NtGetVersion(void) pureconst;
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bool32 IsGenuineBlink(void);
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bool32 IsCygwin(void);
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const char *GetCpuidOs(void);
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const char *GetCpuidEmulator(void);
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void GetCpuidBrand(char[13], uint32_t);
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long __get_rlimit(int);
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const char *__describe_os(void);
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long __get_sysctl(int, int);
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int __get_arg_max(void) pureconst;
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int __get_cpu_count(void) pureconst;
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long __get_avphys_pages(void) pureconst;
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long __get_phys_pages(void) pureconst;
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long __get_minsigstksz(void) pureconst;
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void __get_main_stack(void **, size_t *, int *);
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long __get_safe_size(long, long);
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char *__get_tmpdir(void);
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forceinline int __trace_disabled(int x) {
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return 0;
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}
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#ifndef FTRACE
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#define ftrace_enabled(...) __trace_disabled(__VA_ARGS__)
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#endif
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#ifndef SYSDEBUG
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#define strace_enabled(...) __trace_disabled(__VA_ARGS__)
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#endif
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#endif /* _COSMO_SOURCE */
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COSMOPOLITAN_C_END_
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#endif /* COSMOPOLITAN_LIBC_RUNTIME_RUNTIME_H_ */
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