libqasan and use target cross compiler to compile target qemu libs

1 files changed, 659 insertions, 0 deletions

diff --git a/qemu_mode/libqasan/hooks.c b/qemu_mode/libqasan/hooks.c
new file mode 100644
index 00000000..b1ee2e0e
--- /dev/null
+++ b/qemu_mode/libqasan/hooks.c
@@ -0,0 +1,659 @@
+/*******************************************************************************
+Copyright (c) 2019-2020, Andrea Fioraldi
+
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#include "libqasan.h"
+#include "map_macro.h"
+
+char *(*__lq_libc_fgets)(char *, int, FILE *);
+int (*__lq_libc_atoi)(const char *);
+long (*__lq_libc_atol)(const char *);
+long long (*__lq_libc_atoll)(const char *);
+
+void __libqasan_init_hooks(void) {
+
+  __libqasan_init_malloc();
+
+  __lq_libc_fgets = ASSERT_DLSYM(fgets);
+  __lq_libc_atoi = ASSERT_DLSYM(atoi);
+  __lq_libc_atol = ASSERT_DLSYM(atol);
+  __lq_libc_atoll = ASSERT_DLSYM(atoll);
+
+}
+
+#ifdef __ANDROID__
+size_t malloc_usable_size(const void *ptr) {
+
+#else
+size_t malloc_usable_size(void *ptr) {
+
+#endif
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: malloc_usable_size(%p)\n", rtv, ptr);
+  size_t r = __libqasan_malloc_usable_size((void *)ptr);
+  QASAN_DEBUG("\t\t = %ld\n", r);
+
+  return r;
+
+}
+
+void *malloc(size_t size) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: malloc(%ld)\n", rtv, size);
+  void *r = __libqasan_malloc(size);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void *calloc(size_t nmemb, size_t size) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: calloc(%ld, %ld)\n", rtv, nmemb, size);
+  void *r = __libqasan_calloc(nmemb, size);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void *realloc(void *ptr, size_t size) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: realloc(%p, %ld)\n", rtv, ptr, size);
+  void *r = __libqasan_realloc(ptr, size);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+int posix_memalign(void **memptr, size_t alignment, size_t size) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: posix_memalign(%p, %ld, %ld)\n", rtv, memptr, alignment,
+              size);
+  int r = __libqasan_posix_memalign(memptr, alignment, size);
+  QASAN_DEBUG("\t\t = %d [*memptr = %p]\n", r, *memptr);
+
+  return r;
+
+}
+
+void *memalign(size_t alignment, size_t size) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: memalign(%ld, %ld)\n", rtv, alignment, size);
+  void *r = __libqasan_memalign(alignment, size);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void *aligned_alloc(size_t alignment, size_t size) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: aligned_alloc(%ld, %ld)\n", rtv, alignment, size);
+  void *r = __libqasan_aligned_alloc(alignment, size);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void *valloc(size_t size) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: valloc(%ld)\n", rtv, size);
+  void *r = __libqasan_memalign(sysconf(_SC_PAGESIZE), size);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void *pvalloc(size_t size) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: pvalloc(%ld)\n", rtv, size);
+  size_t page_size = sysconf(_SC_PAGESIZE);
+  size = (size & (page_size - 1)) + page_size;
+  void *r = __libqasan_memalign(page_size, size);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void free(void *ptr) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: free(%p)\n", rtv, ptr);
+  __libqasan_free(ptr);
+
+}
+
+char *fgets(char *s, int size, FILE *stream) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: fgets(%p, %d, %p)\n", rtv, s, size, stream);
+  QASAN_STORE(s, size);
+  QASAN_LOAD(stream, sizeof(FILE));
+  char *r = __lq_libc_fgets(s, size, stream);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+int memcmp(const void *s1, const void *s2, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: memcmp(%p, %p, %ld)\n", rtv, s1, s2, n);
+  QASAN_LOAD(s1, n);
+  QASAN_LOAD(s2, n);
+  int r = __libqasan_memcmp(s1, s2, n);
+  QASAN_DEBUG("\t\t = %d\n", r);
+
+  return r;
+
+}
+
+void *memcpy(void *dest, const void *src, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: memcpy(%p, %p, %ld)\n", rtv, dest, src, n);
+  QASAN_LOAD(src, n);
+  QASAN_STORE(dest, n);
+  void *r = __libqasan_memcpy(dest, src, n);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void *mempcpy(void *dest, const void *src, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: mempcpy(%p, %p, %ld)\n", rtv, dest, src, n);
+  QASAN_LOAD(src, n);
+  QASAN_STORE(dest, n);
+  void *r = (uint8_t *)__libqasan_memcpy(dest, src, n) + n;
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void *memmove(void *dest, const void *src, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: memmove(%p, %p, %ld)\n", rtv, dest, src, n);
+  QASAN_LOAD(src, n);
+  QASAN_STORE(dest, n);
+  void *r = __libqasan_memmove(dest, src, n);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void *memset(void *s, int c, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: memset(%p, %d, %ld)\n", rtv, s, c, n);
+  QASAN_STORE(s, n);
+  void *r = __libqasan_memset(s, c, n);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void *memchr(const void *s, int c, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: memchr(%p, %d, %ld)\n", rtv, s, c, n);
+  void *r = __libqasan_memchr(s, c, n);
+  if (r == NULL)
+    QASAN_LOAD(s, n);
+  else
+    QASAN_LOAD(s, r - s);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void *memrchr(const void *s, int c, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: memrchr(%p, %d, %ld)\n", rtv, s, c, n);
+  QASAN_LOAD(s, n);
+  void *r = __libqasan_memrchr(s, c, n);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+void *memmem(const void *haystack, size_t haystacklen, const void *needle,
+             size_t needlelen) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: memmem(%p, %ld, %p, %ld)\n", rtv, haystack, haystacklen,
+              needle, needlelen);
+  QASAN_LOAD(haystack, haystacklen);
+  QASAN_LOAD(needle, needlelen);
+  void *r = __libqasan_memmem(haystack, haystacklen, needle, needlelen);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+#ifndef __BIONIC__
+void bzero(void *s, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: bzero(%p, %ld)\n", rtv, s, n);
+  QASAN_STORE(s, n);
+  __libqasan_memset(s, 0, n);
+
+}
+#endif
+
+void explicit_bzero(void *s, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: bzero(%p, %ld)\n", rtv, s, n);
+  QASAN_STORE(s, n);
+  __libqasan_memset(s, 0, n);
+
+}
+
+int bcmp(const void *s1, const void *s2, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: bcmp(%p, %p, %ld)\n", rtv, s1, s2, n);
+  QASAN_LOAD(s1, n);
+  QASAN_LOAD(s2, n);
+  int r = __libqasan_bcmp(s1, s2, n);
+  QASAN_DEBUG("\t\t = %d\n", r);
+
+  return r;
+
+}
+
+char *strchr(const char *s, int c) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strchr(%p, %d)\n", rtv, s, c);
+  size_t l = __libqasan_strlen(s);
+  QASAN_LOAD(s, l + 1);
+  void *r = __libqasan_strchr(s, c);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+char *strrchr(const char *s, int c) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strrchr(%p, %d)\n", rtv, s, c);
+  size_t l = __libqasan_strlen(s);
+  QASAN_LOAD(s, l + 1);
+  void *r = __libqasan_strrchr(s, c);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+int strcasecmp(const char *s1, const char *s2) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strcasecmp(%p, %p)\n", rtv, s1, s2);
+  size_t l1 = __libqasan_strlen(s1);
+  QASAN_LOAD(s1, l1 + 1);
+  size_t l2 = __libqasan_strlen(s2);
+  QASAN_LOAD(s2, l2 + 1);
+  int r = __libqasan_strcasecmp(s1, s2);
+  QASAN_DEBUG("\t\t = %d\n", r);
+
+  return r;
+
+}
+
+int strncasecmp(const char *s1, const char *s2, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strncasecmp(%p, %p, %ld)\n", rtv, s1, s2, n);
+  size_t l1 = __libqasan_strnlen(s1, n);
+  QASAN_LOAD(s1, l1);
+  size_t l2 = __libqasan_strnlen(s2, n);
+  QASAN_LOAD(s2, l2);
+  int r = __libqasan_strncasecmp(s1, s2, n);
+  QASAN_DEBUG("\t\t = %d\n", r);
+
+  return r;
+
+}
+
+char *strcat(char *dest, const char *src) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strcat(%p, %p)\n", rtv, dest, src);
+  size_t l2 = __libqasan_strlen(src);
+  QASAN_LOAD(src, l2 + 1);
+  size_t l1 = __libqasan_strlen(dest);
+  QASAN_STORE(dest, l1 + l2 + 1);
+  __libqasan_memcpy(dest + l1, src, l2);
+  dest[l1 + l2] = 0;
+  void *r = dest;
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+int strcmp(const char *s1, const char *s2) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strcmp(%p, %p)\n", rtv, s1, s2);
+  size_t l1 = __libqasan_strlen(s1);
+  QASAN_LOAD(s1, l1 + 1);
+  size_t l2 = __libqasan_strlen(s2);
+  QASAN_LOAD(s2, l2 + 1);
+  int r = __libqasan_strcmp(s1, s2);
+  QASAN_DEBUG("\t\t = %d\n", r);
+
+  return r;
+
+}
+
+int strncmp(const char *s1, const char *s2, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strncmp(%p, %p, %ld)\n", rtv, s1, s2, n);
+  size_t l1 = __libqasan_strnlen(s1, n);
+  QASAN_LOAD(s1, l1);
+  size_t l2 = __libqasan_strnlen(s2, n);
+  QASAN_LOAD(s2, l2);
+  int r = __libqasan_strncmp(s1, s2, n);
+  QASAN_DEBUG("\t\t = %d\n", r);
+
+  return r;
+
+}
+
+char *strcpy(char *dest, const char *src) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strcpy(%p, %p)\n", rtv, dest, src);
+  size_t l = __libqasan_strlen(src) + 1;
+  QASAN_LOAD(src, l);
+  QASAN_STORE(dest, l);
+  void *r = __libqasan_memcpy(dest, src, l);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+char *strncpy(char *dest, const char *src, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strncpy(%p, %p, %ld)\n", rtv, dest, src, n);
+  size_t l = __libqasan_strnlen(src, n);
+  QASAN_STORE(dest, n);
+  void *r;
+  if (l < n) {
+
+    QASAN_LOAD(src, l + 1);
+    r = __libqasan_memcpy(dest, src, l + 1);
+
+  } else {
+
+    QASAN_LOAD(src, n);
+    r = __libqasan_memcpy(dest, src, n);
+
+  }
+
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+char *stpcpy(char *dest, const char *src) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: stpcpy(%p, %p)\n", rtv, dest, src);
+  size_t l = __libqasan_strlen(src) + 1;
+  QASAN_LOAD(src, l);
+  QASAN_STORE(dest, l);
+  char *r = __libqasan_memcpy(dest, src, l) + (l - 1);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+char *strdup(const char *s) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strdup(%p)\n", rtv, s);
+  size_t l = __libqasan_strlen(s);
+  QASAN_LOAD(s, l + 1);
+  void *r = __libqasan_malloc(l + 1);
+  __libqasan_memcpy(r, s, l + 1);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+size_t strlen(const char *s) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strlen(%p)\n", rtv, s);
+  size_t r = __libqasan_strlen(s);
+  QASAN_LOAD(s, r + 1);
+  QASAN_DEBUG("\t\t = %ld\n", r);
+
+  return r;
+
+}
+
+size_t strnlen(const char *s, size_t n) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strnlen(%p, %ld)\n", rtv, s, n);
+  size_t r = __libqasan_strnlen(s, n);
+  QASAN_LOAD(s, r);
+  QASAN_DEBUG("\t\t = %ld\n", r);
+
+  return r;
+
+}
+
+char *strstr(const char *haystack, const char *needle) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strstr(%p, %p)\n", rtv, haystack, needle);
+  size_t l = __libqasan_strlen(haystack) + 1;
+  QASAN_LOAD(haystack, l);
+  l = __libqasan_strlen(needle) + 1;
+  QASAN_LOAD(needle, l);
+  void *r = __libqasan_strstr(haystack, needle);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+char *strcasestr(const char *haystack, const char *needle) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: strcasestr(%p, %p)\n", rtv, haystack, needle);
+  size_t l = __libqasan_strlen(haystack) + 1;
+  QASAN_LOAD(haystack, l);
+  l = __libqasan_strlen(needle) + 1;
+  QASAN_LOAD(needle, l);
+  void *r = __libqasan_strcasestr(haystack, needle);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+int atoi(const char *nptr) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: atoi(%p)\n", rtv, nptr);
+  size_t l = __libqasan_strlen(nptr) + 1;
+  QASAN_LOAD(nptr, l);
+  int r = __lq_libc_atoi(nptr);
+  QASAN_DEBUG("\t\t = %d\n", r);
+
+  return r;
+
+}
+
+long atol(const char *nptr) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: atol(%p)\n", rtv, nptr);
+  size_t l = __libqasan_strlen(nptr) + 1;
+  QASAN_LOAD(nptr, l);
+  long r = __lq_libc_atol(nptr);
+  QASAN_DEBUG("\t\t = %ld\n", r);
+
+  return r;
+
+}
+
+long long atoll(const char *nptr) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: atoll(%p)\n", rtv, nptr);
+  size_t l = __libqasan_strlen(nptr) + 1;
+  QASAN_LOAD(nptr, l);
+  long long r = __lq_libc_atoll(nptr);
+  QASAN_DEBUG("\t\t = %lld\n", r);
+
+  return r;
+
+}
+
+size_t wcslen(const wchar_t *s) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: wcslen(%p)\n", rtv, s);
+  size_t r = __libqasan_wcslen(s);
+  QASAN_LOAD(s, sizeof(wchar_t) * (r + 1));
+  QASAN_DEBUG("\t\t = %ld\n", r);
+
+  return r;
+
+}
+
+wchar_t *wcscpy(wchar_t *dest, const wchar_t *src) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: wcscpy(%p, %p)\n", rtv, dest, src);
+  size_t l = __libqasan_wcslen(src) + 1;
+  QASAN_LOAD(src, l * sizeof(wchar_t));
+  QASAN_STORE(dest, l * sizeof(wchar_t));
+  void *r = __libqasan_wcscpy(dest, src);
+  QASAN_DEBUG("\t\t = %p\n", r);
+
+  return r;
+
+}
+
+int wcscmp(const wchar_t *s1, const wchar_t *s2) {
+
+  void *rtv = __builtin_return_address(0);
+
+  QASAN_DEBUG("%14p: wcscmp(%p, %p)\n", rtv, s1, s2);
+  size_t l1 = __libqasan_wcslen(s1);
+  QASAN_LOAD(s1, sizeof(wchar_t) * (l1 + 1));
+  size_t l2 = __libqasan_wcslen(s2);
+  QASAN_LOAD(s2, sizeof(wchar_t) * (l2 + 1));
+  int r = __libqasan_wcscmp(s1, s2);
+  QASAN_DEBUG("\t\t = %d\n", r);
+
+  return r;
+
+}
+