99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
#include <stdint.h>
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#include <stddef.h>
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#include <syscall.h>
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#include <syscall_nums.h>
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DEFN_SYSCALL1(exit, 0, int);
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DEFN_SYSCALL1(print, 1, const char *);
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DEFN_SYSCALL2(gettimeofday, 6, void *, void *);
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DEFN_SYSCALL3(execve, 7, char *, char **, char **);
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DEFN_SYSCALL1(sbrk, 10, int);
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DEFN_SYSCALL0(getgraphicsaddress, 11);
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DEFN_SYSCALL5(openpty, 13, int *, int *, char *, void *, void *);
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DEFN_SYSCALL1(setgraphicsoffset, 16, int);
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DEFN_SYSCALL1(wait, 17, unsigned int);
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DEFN_SYSCALL0(getgraphicswidth, 18);
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DEFN_SYSCALL0(getgraphicsheight, 19);
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DEFN_SYSCALL0(getgraphicsdepth, 20);
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DEFN_SYSCALL0(mkpipe, 21);
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DEFN_SYSCALL1(kernel_string_XXX, 25, char *);
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DEFN_SYSCALL0(reboot, 26);
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DEFN_SYSCALL3(readdir, 27, int, int, void *);
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DEFN_SYSCALL3(clone, 30, uintptr_t, uintptr_t, void *);
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DEFN_SYSCALL1(sethostname, 31, char *);
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DEFN_SYSCALL1(gethostname, 32, char *);
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DEFN_SYSCALL0(mousedevice, 33);
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DEFN_SYSCALL2(mkdir, 34, char *, unsigned int);
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DEFN_SYSCALL2(shm_obtain, 35, char *, size_t *);
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DEFN_SYSCALL1(shm_release, 36, char *);
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DEFN_SYSCALL2(share_fd, 39, int, int);
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DEFN_SYSCALL1(get_fd, 40, int);
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DEFN_SYSCALL0(gettid, 41);
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DEFN_SYSCALL0(yield, 42);
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DEFN_SYSCALL2(system_function, 43, int, char **);
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DEFN_SYSCALL1(open_serial, 44, int);
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DEFN_SYSCALL2(sleepabs, 45, unsigned long, unsigned long);
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DEFN_SYSCALL3(ioctl, 47, int, int, void *);
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DEFN_SYSCALL2(access, 48, char *, int);
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DEFN_SYSCALL2(stat, 49, char *, void *);
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DEFN_SYSCALL3(waitpid, 53, int, int *, int);
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DEFN_SYSCALL5(mount, SYS_MOUNT, char *, char *, char *, unsigned long, void *);
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DEFN_SYSCALL2(lstat, SYS_LSTAT, char *, void *);
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DEFN_SYSCALL2(fswait, SYS_FSWAIT, int, int *);
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DEFN_SYSCALL3(fswait2, SYS_FSWAIT2, int, int *,int);
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DEFN_SYSCALL3(chown, SYS_CHOWN, char *, int, int);
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extern void _init();
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extern void _fini();
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char ** environ = NULL;
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int _environ_size = 0;
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char * _argv_0 = NULL;
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char ** __argv = NULL;
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extern char ** __get_argv(void) {
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return __argv;
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}
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extern void __stdio_init_buffers(void);
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void _exit(int val){
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_fini();
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syscall_exit(val);
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__builtin_unreachable();
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}
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__attribute__((constructor))
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static void _libc_init(void) {
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__stdio_init_buffers();
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unsigned int x = 0;
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unsigned int nulls = 0;
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for (x = 0; 1; ++x) {
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if (!__get_argv()[x]) {
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++nulls;
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if (nulls == 2) {
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break;
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}
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continue;
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}
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if (nulls == 1) {
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environ = &__get_argv()[x];
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break;
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}
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}
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_argv_0 = __get_argv()[0];
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}
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void pre_main(int (*main)(int,char**), int argc, char * argv[]) {
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if (!__get_argv()) {
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/* Statically loaded, must set __argv so __get_argv() works */
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__argv = argv;
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}
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_init();
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_exit(main(argc, argv));
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}
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