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fix(userspace/libc): interpreter didn't worked at all

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EnderIce2
2025-04-18 12:38:21 +00:00
parent f5c9b561a9
commit cd23c59c46
7 changed files with 248 additions and 49 deletions
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54
Userspace/libc/interpreter/main.c
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@ -17,24 +17,55 @@
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#ifndef PROGRAM_VERSION
#define PROGRAM_VERSION "<unknown>"
#endif
int printf(const char *, ...);
int _dl_main(int, char *[], char *[]);
void print_license()
{
printf("Fennix C Library Interpreter Copyright (C) %s EnderIce2\n", (__DATE__ + 7));
printf("This program comes with ABSOLUTELY NO WARRANTY.\n");
printf("This is free software, and you are welcome to redistribute it\n");
printf("under certain conditions.\n");
}
void print_version()
{
printf("%s\n", PROGRAM_VERSION);
}
void print_help()
{
printf("Usage: ld.so [options] <program>\n");
printf("Options:\n");
printf(" --help Display this help message\n");
printf(" --version Display version information\n");
printf(" --license Display license information\n");
printf("\n");
print_license();
}
bool IsManuallyInvoked(const char *argv0)
{
const char *lastSlash = strrchr(argv0, '/');
const char *name = lastSlash ? lastSlash + 1 : argv0;
/* TODO: check if exe is actually "ld.so" or it has other name */
return strcmp(name, "ld.so") == 0;
}
extern char **environ;
int main(int argc, char *argv[], char *envp[])
{
if (argc < 2)
environ = envp;
if (!IsManuallyInvoked(argv[0]))
{
printf("Error: No program specified.\n");
print_help();
return -1;
int status = _dl_main(argc, argv, envp);
return status;
}
for (int i = 1; i < argc; i++)
@ -44,8 +75,19 @@ int main(int argc, char *argv[], char *envp[])
print_help();
return 0;
}
if (strcmp(argv[i], "--version") == 0)
{
print_version();
return 0;
}
if (strcmp(argv[i], "--license") == 0)
{
print_license();
return 0;
}
}
int status = _dl_main(argc, argv, envp);
return status;
printf("Error: No program specified.\n");
printf("Try 'ld.so --help' for more information.\n");
return -1;
}