diff options
| -rw-r--r-- | src/linux/ptrace.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/linux/ptrace.c b/src/linux/ptrace.c index 83b8022b..a3f393d9 100644 --- a/src/linux/ptrace.c +++ b/src/linux/ptrace.c @@ -7,14 +7,18 @@ long ptrace(int req, ...) { va_list ap; pid_t pid; - void *addr, *data, *addr2; + void *addr, *data, *addr2 = 0; 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 *); + /* PTRACE_{READ,WRITE}{DATA,TEXT} (16...19) are specific to SPARC. */ +#ifdef PTRACE_READDATA + if ((unsigned)req - PTRACE_READDATA < 4) + addr2 = va_arg(ap, void *); +#endif va_end(ap); if (req-1U < 3) data = &result; |