diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/inc/sys.h | 9 | ||||
| -rw-r--r-- | libc/sys.c | 15 |
2 files changed, 21 insertions, 3 deletions
diff --git a/libc/inc/sys.h b/libc/inc/sys.h index d95b760..0914bc4 100644 --- a/libc/inc/sys.h +++ b/libc/inc/sys.h @@ -14,6 +14,7 @@ int sys2(enum sys num, int d1, int d2); int sys3(enum sys num, int d1, int d2, int d3); int sys4(enum sys num, int d1, int d2, int d3, int d4); int sys5(enum sys num, int d1, int d2, int d3, int d4, int d5); +int sysv(enum sys num, ...); /** * Wrappers @@ -22,10 +23,12 @@ int sys5(enum sys num, int d1, int d2, int d3, int d4, int d5); #define loop() sys0(SYS_LOOP) #define read(path) (void *)sys1(SYS_READ, (int)path) #define write(path, buf) sys2(SYS_WRITE, (int)path, buf) -#define exec(path) sys1(SYS_EXEC, (int)path) +#define exec(path, ...) sysv(SYS_EXEC, (int)path, ##__VA_ARGS__) #define exit() \ - sys0(SYS_EXIT); \ - while (1) { \ + { \ + sys0(SYS_EXIT); \ + while (1) { \ + } \ } #endif @@ -1,6 +1,7 @@ // MIT License, Copyright (c) 2020 Marvin Borner // Syscall implementation +#include <arg.h> #include <sys.h> /** @@ -55,3 +56,17 @@ int sys5(enum sys num, int d1, int d2, int d3, int d4, int d5) "D"((int)d5)); return a; } + +#include <print.h> +int sysv(enum sys num, ...) +{ + va_list ap; + int args[5]; + + va_start(ap, num); + for (int i = 0; i < 5; i++) + args[i] = va_arg(ap, int); + va_end(ap); + + return sys5(num, args[0], args[1], args[2], args[3], args[4]); +} |