regress: add mem_64_c.c from issue #523 by Chris Eagle

.gitignore

@@ -76,6 +76,7 @@ sample_batch_reg.static
 sample_x86_32_gdt_and_seg_regs
 sample_x86_32_gdt_and_seg_regs.exe
 sample_x86_32_gdt_and_seg_regs.static
+mem_64_c
 
 libunicorn*.dll
 libunicorn*.so

tests/regress/Makefile

@@ -44,6 +44,7 @@ TESTS += 003-qemu__fatal__wdebug_not_implemented
 TESTS += 004-segmentation_fault_1
 TESTS += 005-qemu__fatal__illegal_instruction__0000___00000404
 TESTS += 006-qemu__fatal__illegal_instruction__0421___00040026
+TESTS += mem_64_c
 
 TESTS += memleak_x86
 TESTS += memleak_arm

tests/regress/mem_64_c.c

@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <unicorn/unicorn.h>
+
+uint64_t starts[] = {0x10000000, 0x110004000ll};
+
+int main(int argc, char **argv, char **envp) {
+   uc_engine *uc;
+   uc_err err;
+   int i;
+   // Initialize emulator in X86-64bit mode
+   err = uc_open(UC_ARCH_X86, UC_MODE_64, &uc);
+   if (err) {
+      printf("Failed on uc_open() with error returned: %u\n", err);
+      return 1;
+   }
+
+   for (i = 0; i < (sizeof(starts) / sizeof(uint64_t)); i++) {
+      uc_mem_map(uc, starts[i], 4096, UC_PROT_ALL);
+   }
+   
+   uint32_t count;
+   uc_mem_region *regions;
+   int err_count = 0;
+   err = uc_mem_regions(uc, &regions, &count);
+   if (err == UC_ERR_OK) {
+      for (i = 0; i < count; i++) {
+         fprintf(stderr, "region %d: 0x%llx-0x%llx (%d)\n", i, regions[i].begin, regions[i].end - 1, regions[i].perms);
+         if (regions[i].begin != starts[i]) {
+            err_count++;
+            fprintf(stderr, "   ERROR: region start does not match requested start address, expected 0x%llx, found 0x%llx\n",
+                    starts[i], regions[i].begin);
+         }
+      }
+      free(regions);
+   }
+   
+   uc_close(uc);
+   return err_count;
+}