migrate all

userland/arch/x86_64/c/rdtsc.c

@@ -0,0 +1,14 @@
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#rdtsc */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <x86intrin.h>
+
+int main(void) {
+    uintmax_t val;
+    val = __rdtsc();
+    printf("%ju\n", val);
+    return EXIT_SUCCESS;
+}

userland/arch/x86_64/c/ring0.c

@@ -0,0 +1,12 @@
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#ring0 */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <include/ring0.h>
+
+int main(void) {
+    LkmcRing0Regs ring0_regs;
+    lkmc_ring0_get_control_regs(&ring0_regs);
+    return EXIT_SUCCESS;
+}

userland/libs/README.adoc

@@ -0,0 +1,3 @@
+Examples in this directory rely on non-libc libraries.
+
+Each example is prefixed by an identifier of the library it depends on.

userland/libs/build

@@ -0,0 +1 @@
+../build

userland/linux/time_boot.c

@@ -7,8 +7,8 @@
 int main(void) {
     FILE *fp;
     fp = fopen("/dev/kmsg", "w");
-	fputs(__FILE__ "\n", fp);
-	fclose(fp);
-	while (1)
-		sleep(0xFFFFFFFF);
+    fputs(__FILE__ "\n", fp);
+    fclose(fp);
+    while (1)
+        sleep(0xFFFFFFFF);
 }

userland/myinsmod.c

@@ -13,49 +13,49 @@
 #define finit_module(fd, param_values, flags) syscall(__NR_finit_module, fd, param_values, flags)
 
 int main(int argc, char **argv) {
-	const char *params;
-	int fd, use_finit;
-	size_t image_size;
-	struct stat st;
-	void *image;
+    const char *params;
+    int fd, use_finit;
+    size_t image_size;
+    struct stat st;
+    void *image;
 
-	/* CLI handling. */
-	if (argc < 2) {
-		puts("Usage ./prog mymodule.ko [args="" [use_finit=0]");
-		return EXIT_FAILURE;
-	}
-	if (argc < 3) {
-		params = "";
-	} else {
-		params = argv[2];
-	}
-	if (argc < 4) {
-		use_finit = 0;
-	} else {
-		use_finit = (argv[3][0] != '0');
-	}
+    /* CLI handling. */
+    if (argc < 2) {
+        puts("Usage ./prog mymodule.ko [args="" [use_finit=0]");
+        return EXIT_FAILURE;
+    }
+    if (argc < 3) {
+        params = "";
+    } else {
+        params = argv[2];
+    }
+    if (argc < 4) {
+        use_finit = 0;
+    } else {
+        use_finit = (argv[3][0] != '0');
+    }
 
-	/* Action. */
-	fd = open(argv[1], O_RDONLY);
-	if (use_finit) {
-		puts("finit");
-		if (finit_module(fd, params, 0) != 0) {
-			perror("finit_module");
-			return EXIT_FAILURE;
-		}
-		close(fd);
-	} else {
-		puts("init");
-		fstat(fd, &st);
-		image_size = st.st_size;
-		image = malloc(image_size);
-		read(fd, image, image_size);
-		close(fd);
-		if (init_module(image, image_size, params) != 0) {
-			perror("init_module");
-			return EXIT_FAILURE;
-		}
-		free(image);
-	}
-	return EXIT_SUCCESS;
+    /* Action. */
+    fd = open(argv[1], O_RDONLY);
+    if (use_finit) {
+        puts("finit");
+        if (finit_module(fd, params, 0) != 0) {
+            perror("finit_module");
+            return EXIT_FAILURE;
+        }
+        close(fd);
+    } else {
+        puts("init");
+        fstat(fd, &st);
+        image_size = st.st_size;
+        image = malloc(image_size);
+        read(fd, image, image_size);
+        close(fd);
+        if (init_module(image, image_size, params) != 0) {
+            perror("init_module");
+            return EXIT_FAILURE;
+        }
+        free(image);
+    }
+    return EXIT_SUCCESS;
 }

userland/myrmmod.c

@@ -12,13 +12,13 @@
 #define delete_module(name, flags) syscall(__NR_delete_module, name, flags)
 
 int main(int argc, char **argv) {
-	if (argc != 2) {
-		puts("Usage ./prog mymodule");
-		return EXIT_FAILURE;
-	}
-	if (delete_module(argv[1], O_NONBLOCK) != 0) {
-		perror("delete_module");
-		return EXIT_FAILURE;
-	}
-	return EXIT_SUCCESS;
+    if (argc != 2) {
+        puts("Usage ./prog mymodule");
+        return EXIT_FAILURE;
+    }
+    if (delete_module(argv[1], O_NONBLOCK) != 0) {
+        perror("delete_module");
+        return EXIT_FAILURE;
+    }
+    return EXIT_SUCCESS;
 }

userland/posix/sleep_forever.c

@@ -5,7 +5,7 @@
 #include <unistd.h>
 
 int main(void) {
-	puts(__FILE__);
-	while (1)
-		sleep(0xFFFFFFFF);
+    puts(__FILE__);
+    while (1)
+        sleep(0xFFFFFFFF);
 }

userland/rdtsc.c

@@ -1,20 +0,0 @@
-/* https://github.com/cirosantilli/linux-kernel-module-cheat#rdtsc */
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#if defined(__i386__) || defined(__x86_64__)
-#include <x86intrin.h>
-#endif
-
-int main(void) {
-	uintmax_t val;
-#if defined(__i386__) || defined(__x86_64__)
-	val = __rdtsc();
-#else
-	val = 0;
-#endif
-	printf("%ju\n", val);
-	return EXIT_SUCCESS;
-}

userland/ring0.c

@@ -1,14 +0,0 @@
-/* https://github.com/cirosantilli/linux-kernel-module-cheat#ring0 */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "../include/ring0.h"
-
-int main(void) {
-#if defined(__x86_64__) || defined(__i386__)
-	Ring0Regs ring0_regs;
-	ring0_get_control_regs(&ring0_regs);
-#endif
-	return EXIT_SUCCESS;
-}