vendor/compiler-rt/compiler-rt-r224034

1 files changed, 0 insertions, 154 deletions

diff --git a/lib/dfsan/lit_tests/custom.c b/lib/dfsan/lit_tests/custom.c
deleted file mode 100644
index c9fa9356154df..0000000000000
--- a/lib/dfsan/lit_tests/custom.c
+++ /dev/null
@@ -1,154 +0,0 @@
-// RUN: %clang_dfsan -m64 %s -o %t && %t
-// RUN: %clang_dfsan -mllvm -dfsan-args-abi -m64 %s -o %t && %t
-
-// Tests custom implementations of various libc functions.
-
-#define _GNU_SOURCE
-#include <sanitizer/dfsan_interface.h>
-#include <assert.h>
-#include <link.h>
-#include <pthread.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-void *ptcb(void *p) {
-  assert(p == (void *)1);
-  assert(dfsan_get_label((uintptr_t)p) == 0);
-  return (void *)2;
-}
-
-int dlcb(struct dl_phdr_info *info, size_t size, void *data) {
-  assert(data == (void *)3);
-  assert(dfsan_get_label((uintptr_t)info) == 0);
-  assert(dfsan_get_label(size) == 0);
-  assert(dfsan_get_label((uintptr_t)data) == 0);
-  return 0;
-}
-
-int main(void) {
-  int i = 1;
-  dfsan_label i_label = dfsan_create_label("i", 0);
-  dfsan_set_label(i_label, &i, sizeof(i));
-
-  int j = 2;
-  dfsan_label j_label = dfsan_create_label("j", 0);
-  dfsan_set_label(j_label, &j, sizeof(j));
-
-  struct stat s;
-  s.st_dev = i;
-  int rv = stat("/", &s);
-  assert(rv == 0);
-  assert(dfsan_get_label(s.st_dev) == 0);
-
-  s.st_dev = i;
-  rv = stat("/nonexistent", &s);
-  assert(rv == -1);
-  assert(dfsan_get_label(s.st_dev) == i_label);
-
-  int fd = open("/dev/zero", O_RDONLY);
-  s.st_dev = i;
-  rv = fstat(fd, &s);
-  assert(rv == 0);
-  assert(dfsan_get_label(s.st_dev) == 0);
-
-  char str1[] = "str1", str2[] = "str2";
-  dfsan_set_label(i_label, &str1[3], 1);
-  dfsan_set_label(j_label, &str2[3], 1);
-
-  rv = memcmp(str1, str2, sizeof(str1));
-  assert(rv < 0);
-  assert(dfsan_get_label(rv) == dfsan_union(i_label, j_label));
-
-  char strc[sizeof(str1)];
-  memcpy(strc, str1, sizeof(str1));
-  assert(dfsan_get_label(strc[0]) == 0);
-  assert(dfsan_get_label(strc[3]) == i_label);
-
-  memset(strc, j, sizeof(strc));
-  assert(dfsan_get_label(strc[0]) == j_label);
-  assert(dfsan_get_label(strc[1]) == j_label);
-  assert(dfsan_get_label(strc[2]) == j_label);
-  assert(dfsan_get_label(strc[3]) == j_label);
-  assert(dfsan_get_label(strc[4]) == j_label);
-
-  rv = strcmp(str1, str2);
-  assert(rv < 0);
-  assert(dfsan_get_label(rv) == dfsan_union(i_label, j_label));
-
-  char *strd = strdup(str1);
-  assert(dfsan_get_label(strd[0]) == 0);
-  assert(dfsan_get_label(strd[3]) == i_label);
-  free(strd);
-
-  rv = strncmp(str1, str2, sizeof(str1));
-  assert(rv < 0);
-  assert(dfsan_get_label(rv) == dfsan_union(i_label, j_label));
-
-  rv = strncmp(str1, str2, 3);
-  assert(rv == 0);
-  assert(dfsan_get_label(rv) == 0);
-
-  str1[0] = 'S';
-
-  rv = strncasecmp(str1, str2, sizeof(str1));
-  assert(rv < 0);
-  assert(dfsan_get_label(rv) == dfsan_union(i_label, j_label));
-
-  rv = strncasecmp(str1, str2, 3);
-  assert(rv == 0);
-  assert(dfsan_get_label(rv) == 0);
-
-  char *crv = strchr(str1, 'r');
-  assert(crv == &str1[2]);
-  assert(dfsan_get_label((uintptr_t)crv) == 0);
-
-  crv = strchr(str1, '1');
-  assert(crv == &str1[3]);
-  assert(dfsan_get_label((uintptr_t)crv) == i_label);
-
-  crv = strchr(str1, 'x');
-  assert(crv == 0);
-  assert(dfsan_get_label((uintptr_t)crv) == i_label);
-
-  // With any luck this sequence of calls will cause calloc to return the same
-  // pointer both times.  This is probably the best we can do to test this
-  // function.
-  crv = calloc(4096, 1);
-  assert(dfsan_get_label(crv[0]) == 0);
-  free(crv);
-
-  crv = calloc(4096, 1);
-  assert(dfsan_get_label(crv[0]) == 0);
-  free(crv);
-
-  char buf[16];
-  buf[0] = i;
-  buf[15] = j;
-  rv = read(fd, buf, sizeof(buf));
-  assert(rv == sizeof(buf));
-  assert(dfsan_get_label(buf[0]) == 0);
-  assert(dfsan_get_label(buf[15]) == 0);
-
-  close(fd);
-  fd = open("/bin/sh", O_RDONLY);
-  buf[0] = i;
-  buf[15] = j;
-  rv = pread(fd, buf, sizeof(buf), 0);
-  assert(rv == sizeof(buf));
-  assert(dfsan_get_label(buf[0]) == 0);
-  assert(dfsan_get_label(buf[15]) == 0);
-
-  pthread_t pt;
-  pthread_create(&pt, 0, ptcb, (void *)1);
-  void *cbrv;
-  pthread_join(pt, &cbrv);
-  assert(cbrv == (void *)2);
-
-  dl_iterate_phdr(dlcb, (void *)3);
-
-  return 0;
-}