diff options
Diffstat (limited to 'src/linux/ptrace.c')
-rw-r--r-- | src/linux/ptrace.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/linux/ptrace.c b/src/linux/ptrace.c new file mode 100644 index 00000000..83b8022b --- /dev/null +++ b/src/linux/ptrace.c @@ -0,0 +1,25 @@ +#include <sys/ptrace.h> +#include <stdarg.h> +#include <unistd.h> +#include "syscall.h" + +long ptrace(int req, ...) +{ + va_list ap; + pid_t pid; + void *addr, *data, *addr2; + long ret, result; + + va_start(ap, req); + pid = va_arg(ap, pid_t); + addr = va_arg(ap, void *); + data = va_arg(ap, void *); + addr2 = va_arg(ap, void *); + va_end(ap); + + if (req-1U < 3) data = &result; + ret = syscall(SYS_ptrace, req, pid, addr, data, addr2); + + if (ret < 0 || req-1U >= 3) return ret; + return result; +} |