diff --git a/libc/config/linux/CMakeLists.txt b/libc/config/linux/CMakeLists.txt
--- a/libc/config/linux/CMakeLists.txt
+++ b/libc/config/linux/CMakeLists.txt
@@ -10,4 +10,15 @@
     libc.src.__support.common
 )
 
+add_object_library(
+  lowlevel_utils
+  SRCS
+    ${LIBC_TARGET_MACHINE}/machine_lowlevel.cpp
+    platform_lowlevel.cpp
+  COMPILE_OPTIONS
+    # Some of the implementations assume presence of the frame
+    # pointer.
+    -fno-omit-frame-pointer
+)
+
 add_subdirectory(x86_64)
diff --git a/libc/config/linux/platform_lowlevel.h.inc b/libc/config/linux/platform_lowlevel.h.inc
new file mode 100644
--- /dev/null
+++ b/libc/config/linux/platform_lowlevel.h.inc
@@ -0,0 +1,19 @@
+//===-- Lowlevel Linux utilities --------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+%%begin()
+
+#include <stdint.h>
+
+namespace __llvm_libc {
+
+static __attribute__((always_inline)) uintptr_t get_current_bp() {
+  return reinterpret_cast<uintptr_t>(__builtin_frame_address(0));
+}
+
+} // namespace llvm_libc
diff --git a/libc/config/linux/platform_lowlevel.cpp b/libc/config/linux/platform_lowlevel.cpp
new file mode 100644
--- /dev/null
+++ b/libc/config/linux/platform_lowlevel.cpp
@@ -0,0 +1,18 @@
+//===-- Implementation of machine independent low level utils -------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdint.h>
+
+namespace __llvm_libc {
+
+uintptr_t get_current_pc() {
+  return reinterpret_cast<uintptr_t>(
+      __builtin_extract_return_addr(__builtin_return_address(0)));
+}
+
+} // namespace __llvm_libc
diff --git a/libc/config/linux/x86_64/machine_lowlevel.cpp b/libc/config/linux/x86_64/machine_lowlevel.cpp
new file mode 100644
--- /dev/null
+++ b/libc/config/linux/x86_64/machine_lowlevel.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of x86_64 specific low level utils -----------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdint.h>
+
+namespace __llvm_libc {
+
+uintptr_t get_current_sp() {
+  uintptr_t *bp = reinterpret_cast<uintptr_t *>(__builtin_frame_address(0));
+  // If compiled with frame pointer, then the x86_64 ABI says ...
+  return reinterpret_cast<uintptr_t>(bp + 2);
+}
+
+} // namespace __llvm_libc
diff --git a/libc/src/CMakeLists.txt b/libc/src/CMakeLists.txt
--- a/libc/src/CMakeLists.txt
+++ b/libc/src/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_subdirectory(__support)
+
 add_subdirectory(assert)
 add_subdirectory(errno)
 add_subdirectory(math)
@@ -9,5 +11,3 @@
 add_subdirectory(sys)
 add_subdirectory(threads)
 add_subdirectory(unistd)
-
-add_subdirectory(__support)
diff --git a/libc/src/__support/CMakeLists.txt b/libc/src/__support/CMakeLists.txt
--- a/libc/src/__support/CMakeLists.txt
+++ b/libc/src/__support/CMakeLists.txt
@@ -7,3 +7,15 @@
   DATA_FILES
     ../../config/${LIBC_TARGET_OS}/platfrom_defs.h.inc
 )
+
+add_gen_header(
+  lowlevel_utils
+  DEF_FILE
+    lowlevel_utils.h.def
+  PARAMS
+    platform_lowlevel=../../config/${LIBC_TARGET_OS}/platform_lowlevel.h.inc
+  GEN_HDR
+    lowlevel_utils.h
+  DATA_FILES
+    ../../config/${LIBC_TARGET_OS}/platform_lowlevel.h.inc
+)
diff --git a/libc/src/__support/lowlevel_utils.h.def b/libc/src/__support/lowlevel_utils.h.def
new file mode 100644
--- /dev/null
+++ b/libc/src/__support/lowlevel_utils.h.def
@@ -0,0 +1,18 @@
+//===-- Platform independent lowlevel utils -------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdint.h>
+
+namespace __llvm_libc {
+
+uintptr_t get_current_pc();
+uintptr_t get_current_sp();
+
+} // namespace __llvm_libc
+
+%%include_file(${platform_lowlevel})