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Added EXIT opcode to make it possible to return exit codes to the shell. (0.21.4)

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This commit is contained in:
Johannes Findeisen 2025-10-04 13:02:29 +02:00
commit 9ac42c6ed1
8 changed files with 96 additions and 5 deletions
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7
src/vm.h
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@ -39,7 +39,8 @@ static const char *opcode_names[] = {
"THREAD_SPAWN","THREAD_JOIN","SLEEP_MS",
"BAND","BOR","BXOR","BNOT","SHL","SHR","ROTL","ROTR",
"PCSC_ESTABLISH","PCSC_RELEASE","PCSC_LIST_READERS","PCSC_CONNECT","PCSC_DISCONNECT","PCSC_TRANSMIT",
"SOCK_TCP_LISTEN","SOCK_TCP_ACCEPT","SOCK_TCP_CONNECT","SOCK_SEND","SOCK_RECV","SOCK_CLOSE","SOCK_UNIX_LISTEN","SOCK_UNIX_CONNECT"
"SOCK_TCP_LISTEN","SOCK_TCP_ACCEPT","SOCK_TCP_CONNECT","SOCK_SEND","SOCK_RECV","SOCK_CLOSE","SOCK_UNIX_LISTEN","SOCK_UNIX_CONNECT",
"EXIT"
};
typedef struct {
@ -63,6 +64,8 @@ typedef struct {
long long instr_count; // executed instructions in the last vm_run
int current_line; // last executed source line (debug)
int exit_code; // process exit code set by OP_EXIT
} VM;
// initialize VM (zero state)
@ -82,7 +85,7 @@ void vm_dump_globals(VM *vm);
void vm_run(VM *vm, Bytecode *entry);
static inline int opcode_is_valid(int op) {
return op >= OP_NOP && op <= OP_SOCK_UNIX_CONNECT; // all current opcodes
return op >= OP_NOP && op <= OP_EXIT; // all current opcodes
}
#endif