provide global syscall symbols if flag is set

riscemu/CPU.py

@@ -27,6 +27,10 @@ class CPU:
         self.regs = Registers(conf)
         self.syscall_int = SyscallInterface()
 
+        # provide global syscall symbols if option is set
+        if conf.include_scall_symbols:
+            self.mmu.global_symbols.update(self.syscall_int.get_syscall_symbols())
+
     def load(self, e: 'Executable'):
         return self.mmu.load_bin(e)
 

riscemu/Syscall.py

@@ -165,3 +165,8 @@ class SyscallInterface:
     def exit(self, scall: Syscall):
         scall.cpu.exit = True
         scall.cpu.exit_code = scall.registers.get('a0')
+
+    def get_syscall_symbols(self):
+        symbols = dict()
+        for num, name in SYSCALLS.items():
+            symbols['SCALL_' + name.upper()] = num