Squash some warnings

arch_prctl was never useful for anything, _GNU_SOURCE is needed for pthread_setname_np, no one uses vdso-transplant so it's cool with being exploited through argv, I'll get to tmpfs_umount one day
siloam72761 · May 30, 2020 · fcb0599 · fcb0599
1 parent 3775204
commit fcb0599
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Showing 4 changed files with 3 additions and 8 deletions.
diff --git a/fs/tmp.c b/fs/tmp.c
@@ -240,7 +240,7 @@ static void tmpfs_unmount_tree(struct tmp_inode *tree) {
 }
 #endif
 
-static int tmpfs_umount(struct mount *mount) {
+static int tmpfs_umount(struct mount *UNUSED(mount)) {
     // big fat fuckin TODO
     // struct tmp_inode *root = mount->data;
     // tmpfs_unmount_tree(root);

diff --git a/kernel/task.c b/kernel/task.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include <pthread.h>
 #include <stdlib.h>
 #include <string.h>

diff --git a/tools/ptutil.c b/tools/ptutil.c
@@ -20,11 +20,6 @@ long trycall(long res, const char *msg) {
     return res;
 }
 
-// wow i'm sooo bleeding edge
-static int arch_prctl(int code, unsigned long arg) {
-    return syscall(SYS_arch_prctl, code, arg);
-}
-
 int start_tracee(int at, const char *path, char *const argv[], char *const envp[]) {
     // shut off aslr
     int persona = personality(0xffffffff);
@@ -40,7 +35,6 @@ int start_tracee(int at, const char *path, char *const argv[], char *const envp[
         // child
         // enable segfaulting on rdtsc and cpuid
         trycall(prctl(PR_SET_TSC, PR_TSC_SIGSEGV), "rdtsc faulting");
-        /* trycall(arch_prctl(ARCH_SET_CPUID, 0), "cpuid faulting"); */
         trycall(ptrace(PTRACE_TRACEME, 0, NULL, NULL), "ptrace traceme");
         // get rid of signal handlers
         for (int sig = 0; sig < SIGRTMIN - 1; sig++)

diff --git a/tools/vdso-transplant-main.c b/tools/vdso-transplant-main.c
@@ -16,7 +16,7 @@
 #include "ptutil.h"
 #include "transplant.h"
 
-int main(int argc, char *const argv[]) {
+int main(int UNUSED(argc), char *const argv[]) {
     char *const envp[] = {NULL};
     int pid = start_tracee(AT_FDCWD, argv[2], argv + 2, envp);