[compiler-rt][test] Add tests to DumpAllRegisters

- Add tests to check `DumpAllRegisters` output
on ARM and AArch64

Author: chestnykh

compiler-rt/test/sanitizer_common/TestCases/Linux/dump_registers_aarch64.cpp

@@ -0,0 +1,23 @@
+// Check that sanitizer prints registers dump_registers on dump_registers=1
+// RUN: %clangxx  %s -o %t
+// RUN: %env_tool_opts=dump_registers=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NODUMP
+// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-DUMP
+//
+// REQUIRES: aarch64-target-arch
+
+#include <signal.h>
+
+int main() {
+  raise(SIGSEGV);
+  // CHECK-DUMP: Register values
+  // CHECK-DUMP-NEXT: x0 = {{0x[0-9a-f]+}}  x1 = {{0x[0-9a-f]+}}  x2 = {{0x[0-9a-f]+}}  x3 = {{0x[0-9a-f]+}}
+  // CHECK-DUMP-NEXT: x4 = {{0x[0-9a-f]+}}  x5 = {{0x[0-9a-f]+}}  x6 = {{0x[0-9a-f]+}}  x7 = {{0x[0-9a-f]+}}
+  // CHECK-DUMP-NEXT: x8 = {{0x[0-9a-f]+}}  x9 = {{0x[0-9a-f]+}} x10 = {{0x[0-9a-f]+}} x11 = {{0x[0-9a-f]+}}
+  // CHECK-DUMP-NEXT:x12 = {{0x[0-9a-f]+}} x13 = {{0x[0-9a-f]+}} x14 = {{0x[0-9a-f]+}} x15 = {{0x[0-9a-f]+}}
+  // CHECK-DUMP-NEXT:x16 = {{0x[0-9a-f]+}} x17 = {{0x[0-9a-f]+}} x18 = {{0x[0-9a-f]+}} x19 = {{0x[0-9a-f]+}}
+  // CHECK-DUMP-NEXT:x20 = {{0x[0-9a-f]+}} x21 = {{0x[0-9a-f]+}} x22 = {{0x[0-9a-f]+}} x23 = {{0x[0-9a-f]+}}
+  // CHECK-DUMP-NEXT:x24 = {{0x[0-9a-f]+}} x25 = {{0x[0-9a-f]+}} x26 = {{0x[0-9a-f]+}} x27 = {{0x[0-9a-f]+}}
+  // CHECK-DUMP-NEXT:x28 = {{0x[0-9a-f]+}}  fp = {{0x[0-9a-f]+}}  lr = {{0x[0-9a-f]+}}  sp = {{0x[0-9a-f]+}}
+  // CHECK-NODUMP-NOT: Register values
+  return 0;
+}

compiler-rt/test/sanitizer_common/TestCases/Linux/dump_registers_arm.cpp

@@ -0,0 +1,19 @@
+// Check that sanitizer prints registers dump_registers on dump_registers=1
+// RUN: %clangxx  %s -o %t
+// RUN: %env_tool_opts=dump_registers=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NODUMP
+// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-DUMP
+//
+// REQUIRES: arm-target-arch
+
+#include <signal.h>
+
+int main() {
+  raise(SIGSEGV);
+  // CHECK-DUMP: Register values
+  // CHECK-DUMP-NEXT: r0 = {{0x[0-9a-f]+}}  r1 = {{0x[0-9a-f]+}}  r2 = {{0x[0-9a-f]+}}  r3 = {{0x[0-9a-f]+}}
+  // CHECK-DUMP-NEXT: r4 = {{0x[0-9a-f]+}}  r5 = {{0x[0-9a-f]+}}  r6 = {{0x[0-9a-f]+}}  r7 = {{0x[0-9a-f]+}}
+  // CHECK-DUMP-NEXT: r8 = {{0x[0-9a-f]+}}  r9 = {{0x[0-9a-f]+}} r10 = {{0x[0-9a-f]+}} r11 = {{0x[0-9a-f]+}}
+  // CHECK-DUMP-NEXT:r12 = {{0x[0-9a-f]+}}  sp = {{0x[0-9a-f]+}}  lr = {{0x[0-9a-f]+}}  pc = {{0x[0-9a-f]+}}
+  // CHECK-NODUMP-NOT: Register values
+  return 0;
+}