diff --git a/third_party/ti/README.md b/third_party/ti/README.md
index a5ad0a0ee..6c7090926 100644
--- a/third_party/ti/README.md
+++ b/third_party/ti/README.md
@@ -18,16 +18,18 @@ BSD-3-Clause
 
 This version of cc26xxware is copied from the [SimpleLink CC26x2 Software
 Development Kit](http://www.ti.com/tool/simplelink-cc13x2-26x2-sdk). Modifications
-were made to the software package to support the GCC Automake pedantic build.
+were made to enable the OpenThread build.
 
 Also see:  release_notes_driverlib_cc13xx_cc26xx.html
 
-| file                                                  | change                                                                       |
-|-------------------------------------------------------|------------------------------------------------------------------------------|
-| `device/cc26x0/driverlib/bin/gcc/driverlib.a`         | Renamed from `driverlib.lib` to allow Automake to recognize the library      |
-| `device/cc13x52_cc26x2/driverlib/bin/gcc/driverlib.a` | Renamed from `driverlib.lib` to allow Automake to recognize the library      |
-| `device/cc26x0/linker_files/cc26x0f128.lds`           | `end` symbol added for GCC stdlib                                            |
-| `device/cc13x52_cc26x2/linker_files/cc26x2r1f.lds`    | `end` symbol added for GCC stdlib                                            |
+| file                                                 | change                                                                  |
+|------------------------------------------------------|-------------------------------------------------------------------------|
+| `devices/cc26x0/driverlib/bin/gcc/driverlib.a`        | Renamed from `driverlib.lib` to allow Automake to recognize the library |
+| `devices/cc13x2_cc26x2/driverlib/bin/gcc/driverlib.a` | Renamed from `driverlib.lib` to allow Automake to recognize the library |
+| `devices/cc26x0/linker_files/cc26x0f128.lds`          | `end` symbol added for GCC stdlib and C++ init array placement          |
+| `devices/cc13x2_cc26x2/linker_files/cc26x2r1f.lds`    | `end` symbol added for GCC stdlib                                       |
+| `devices/cc26x0/startup_files/startup_gcc.c`          | C++ constructor calls added to `ResetHandler`                           |
+| `devices/cc13x2_cc26x2/startup_files/startup_gcc.c`   | C++ constructor calls added to `ResetHandler`                           |
 
 Documentation can be found within the [SimpleLink CC26x2 Software Development
 Kit](http://www.ti.com/tool/simplelink-cc13x2-26x2-sdk).
diff --git a/third_party/ti/devices/cc13x2_cc26x2/startup_files/startup_gcc.c b/third_party/ti/devices/cc13x2_cc26x2/startup_files/startup_gcc.c
index 6851e3148..ed0334178 100644
--- a/third_party/ti/devices/cc13x2_cc26x2/startup_files/startup_gcc.c
+++ b/third_party/ti/devices/cc13x2_cc26x2/startup_files/startup_gcc.c
@@ -131,6 +131,8 @@ extern uint32_t _edata;
 extern uint32_t _bss;
 extern uint32_t _ebss;
 extern uint32_t _estack;
+extern uint32_t _init_array;
+extern uint32_t _einit_array;
 
 //*****************************************************************************
 //
@@ -202,6 +204,7 @@ void (* const g_pfnVectors[])(void) =
     BatMonIntHandler                        // 53 Combined event from battery monitor
 };
 
+typedef void (*init_fn_t)(void);
 
 //*****************************************************************************
 //
@@ -218,6 +221,7 @@ ResetISR(void)
 {
     uint32_t *pSrc;
     uint32_t *pDest;
+    init_fn_t *fp;
 
     //
     // Final trim of device
@@ -256,6 +260,12 @@ ResetISR(void)
           "    orr     r1, r1, #(0xF << 20)\n"
           "    str     r1, [r0]\n");
 
+    // C++ runtime initialization (BSS, Data, relocation, etc.)
+    for (fp = (init_fn_t *)&_init_array; fp < (init_fn_t *)&_einit_array; fp++)
+    {
+        (*fp)();
+    }
+
     //
     // Call the application's entry point.
     //
diff --git a/third_party/ti/devices/cc26x0/linker_files/cc26x0f128.lds b/third_party/ti/devices/cc26x0/linker_files/cc26x0f128.lds
index 22dc9b3e1..7e9fa6367 100644
--- a/third_party/ti/devices/cc26x0/linker_files/cc26x0f128.lds
+++ b/third_party/ti/devices/cc26x0/linker_files/cc26x0f128.lds
@@ -90,6 +90,14 @@ SECTIONS
         *(.ARM.extab* .gnu.linkonce.armextab.*)
     } > FLASH
 
+    .init_array :
+    {
+        _init_array = .;
+        KEEP(*(SORT(.init_array.*)))
+        KEEP(*(.init_array*))
+        _einit_array = .;
+    } > FLASH
+
     .data :
     {
         _data = .;
diff --git a/third_party/ti/devices/cc26x0/startup_files/startup_gcc.c b/third_party/ti/devices/cc26x0/startup_files/startup_gcc.c
index fb200e4bf..3a8a5692b 100644
--- a/third_party/ti/devices/cc26x0/startup_files/startup_gcc.c
+++ b/third_party/ti/devices/cc26x0/startup_files/startup_gcc.c
@@ -126,6 +126,8 @@ extern uint32_t _edata;
 extern uint32_t _bss;
 extern uint32_t _ebss;
 extern uint32_t _estack;
+extern uint32_t _init_array;
+extern uint32_t _einit_array;
 
 //*****************************************************************************
 //
@@ -193,6 +195,7 @@ void (* const g_pfnVectors[])(void) =
     TRNGIntHandler                          // 49 TRNG event
 };
 
+typedef void (*init_fn_t)(void);
 
 //*****************************************************************************
 //
@@ -209,6 +212,7 @@ ResetISR(void)
 {
     uint32_t *pSrc;
     uint32_t *pDest;
+    init_fn_t *fp;
 
     //
     // Final trim of device
@@ -237,6 +241,12 @@ ResetISR(void)
           "        strlt   r2, [r0], #4\n"
           "        blt     zero_loop");
 
+    // C++ runtime initialization (BSS, Data, relocation, etc.)
+    for (fp = (init_fn_t *)&_init_array; fp < (init_fn_t *)&_einit_array; fp++)
+    {
+        (*fp)();
+    }
+
     //
     // Call the application's entry point.
     //