arch/generic.h

@@ -17,15 +17,6 @@ void *memset(void* s, int c, unsigned long n) {
 }
 #endif // !MEMSET_DEFINED
 
-#ifndef _STRLEN_DEFINED
-#define _STRLEN_DEFINED
-int strlen(char* s) {
-  int len = 0;
-  for(;s[len] != 0; ++len);
-  return len;
-}
-#endif // !_STRLEN_DEFINED
-
 #ifndef _START_DEFINED
 #define _START_DEFINED
 // Generic _start implementation. Can't access any args

arch/x86_64.c

@@ -1,25 +1,8 @@
 #if defined(__x86_64__)
 #include "../int.h"
-#include "../sys.h"
 
-// Start code
-#ifndef _START_DEFINED
-#define _START_DEFINED
-extern int main(int argc, char** argv);
-void _start() {
-  void* fp = __builtin_frame_address(0);
-  register int argc asm("rdi") = *(uint64_t*)(fp+8);
-  register char** argv asm("rsi") = fp+16;
-  exit(main(argc, argv));
-}
-#endif /* ifndef _START_DEFINED */
-
-//include other generic functions
 #include "generic.h"
 
-//
-// syscall functions
-
 #define SYS_EXIT 60
 void exit(int8_t status) {
   asm volatile(
@@ -260,17 +243,4 @@ int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *t, stru
   return rtn;
 }
 
-#define SYS_RT_SIGACTION 13
-int rt_sigaction(int signum, const void* act, void* oldact, size_t sigset_len) {
-  int rtn;
-  asm volatile(
-    "mov %5, %%r10\n"
-    "syscall\n"
-    : "=a"(rtn)
-    : "a"(SYS_RT_SIGACTION), "D"(signum), "S"(act), "d"(oldact), "r"(sigset_len)
-    : "rcx", "r11", "memory"
-  );
-  return rtn;
-}
-
 #endif /* ifdef __x86_64__ */

buildtest.c

@@ -2,18 +2,11 @@
 #include "sys.h"
 
 
-int main(int argc, char* argv[]) {
+int main() {
   // Test the write syscall
   intptr_t n = write(STDOUT, "Hello\n", 6);
   if(n != 6) return n;
 
-  // Test argc
-  for(int i = 0; i < argc; ++i){
-    int len = strlen(argv[i]);
-    write(STDOUT, argv[i], len);
-    write(STDOUT, "\n", 1);
-  }
-
   // Test the fork syscall
   uint64_t pid = fork();
   // Print the pid in hex

sys.h

@@ -143,6 +143,5 @@ int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *t, stru
 uint32_t fork();
 
 void *memset(void* s, int c, unsigned long n);
-int strlen(char* s);
 
 #endif // !MINIMALSYS_H