baremetal: build userland/ programs using baremetal path property instead of symlinks

Otherwise I'll go crazy with symlink action.

lkmc/c/add.c

@@ -1,13 +0,0 @@
-#include <assert.h>
-
-int main(void) {
-    int i, j, k;
-    i = 1;
-    /* test-gdb-op1 */
-    j = 2;
-    /* test-gdb-op2 */
-    k = i + j;
-    /* test-gdb-result */
-    if (k != 3)
-        assert(0);
-}

lkmc/c/add.py

@@ -1,9 +0,0 @@
-def test(self):
-    self.sendline('tbreak main')
-    self.sendline('continue')
-    self.continue_to('op1')
-    assert self.get_int('i') == 1
-    self.continue_to('op2')
-    assert self.get_int('j') == 2
-    self.continue_to('result')
-    assert self.get_int('k') == 3

lkmc/c/assert_fail.c

@@ -1,18 +0,0 @@
-/* Let's see what happens when an assert fails.
- *
- * Outcome on Ubuntu 19.04 shows the failure line:
- *
- *     assert_fail.out: /path/to/linux-kernel-module-cheat/userland/c/assert_fail.c:15: main: Assertion `0' failed.
- *
- * and exit status 134 == 128 + 6, which corresponds to SIGABORT (6).
- */
-
-#include <assert.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-int main(void) {
-    assert(0);
-    puts("here");
-    return EXIT_SUCCESS;
-}

lkmc/c/getchar.c

@@ -1,21 +0,0 @@
-/* Get on character from stdin, and then print it back out.
- *
- * Same as getc(stdin).
- *
- * You have to press enter for the character to go through:
- * https://stackoverflow.com/questions/1798511/how-to-avoid-pressing-enter-with-getchar
- *
- * Used at:
- * https://stackoverflow.com/questions/556405/what-do-real-user-and-sys-mean-in-the-output-of-time1/53937376#53937376
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-int main(void) {
-    char c;
-    printf("enter a character: ");
-    c = getchar();
-    printf("you entered: %c\n", c);
-    return EXIT_SUCCESS;
-}

lkmc/c/hello.c

@@ -1,9 +0,0 @@
-/* Print hello to stdout ;-) */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-int main(void) {
-    puts("hello");
-    return EXIT_SUCCESS;
-}

lkmc/c/infinite_loop.c

@@ -1,29 +0,0 @@
-/* Loop infinitely. Print an integer whenever a period is reached:
- *
- * ....
- * ./infinite_loop [period]
- * ....
- */
-
-#include <inttypes.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-int main(int argc, char **argv) {
-    uintmax_t i, j, period;
-    if (argc > 1) {
-        period = strtoumax(argv[1], NULL, 10);
-    } else {
-        period = 100000000;
-    }
-    i = 0;
-    j = 0;
-    while (1) {
-        i++;
-        if (i % period == 0) {
-            printf("%ju\n", j);
-            j++;
-        }
-    }
-}

lkmc/c/stderr.c

@@ -1,7 +0,0 @@
-/* Print hello to stderr. */
-
-#include <stdio.h>
-
-int main(void) {
-    fputs("hello\n", stderr);
-}