gnu-build-id.patch

From a8a6f2ece11a14d3cde54a177822e12a871d87e7 Mon Sep 17 00:00:00 2001
From: Memfault Inc <hello@memfault.com>
Date: Tue, 16 Mar 2021 11:06:17 -0400
Subject: [PATCH] Add support for capturing GNU Build Id to DA1468x
 SDK1.0.14.1081

For more details, see https://mflt.io/da1468x-gnu-build-id
---
 sdk/bsp/ldscripts/ble_projects/sections.ld.h     | 13 ++++++++++++-
 sdk/bsp/ldscripts/non_ble_projects/sections.ld.h | 13 ++++++++++++-
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/sdk/bsp/ldscripts/ble_projects/sections.ld.h b/sdk/bsp/ldscripts/ble_projects/sections.ld.h
index 0fc6add..38a5abd 100644
--- a/sdk/bsp/ldscripts/ble_projects/sections.ld.h
+++ b/sdk/bsp/ldscripts/ble_projects/sections.ld.h
@@ -224,10 +224,21 @@ SECTIONS
         } > ROM
         __exidx_end = .;
 
+#if (dg_configBLACK_ORCA_IC_REV != BLACK_ORCA_IC_REV_A) && (dg_configEXEC_MODE != MODE_IS_CACHED)
+        .note.gnu.build-id : AT ( LOADADDR(.ARM.exidx) + SIZEOF(.ARM.exidx) )
+#else
+        .note.gnu.build-id :
+#endif
+        {
+          /* Integrate build id as described in memfault/core/build_info.h */
+          __start_gnu_build_id_start = .;
+          KEEP(*(.note.gnu.build-id))
+        } > ROM
+
         /* 16 byte alignment is required. Please do not add anything until the __etext
          * assignment! */
 #if (dg_configBLACK_ORCA_IC_REV != BLACK_ORCA_IC_REV_A) && (dg_configEXEC_MODE != MODE_IS_CACHED)
-        .align_s : AT ( LOADADDR(.ARM.exidx) + SIZEOF(.ARM.exidx) )
+        .align_s : AT ( LOADADDR(.note.gnu.build-id) + SIZEOF(.note.gnu.build-id) )
 #else
         .align_s :
 #endif
diff --git a/sdk/bsp/ldscripts/non_ble_projects/sections.ld.h b/sdk/bsp/ldscripts/non_ble_projects/sections.ld.h
index fde1475..6e98d1d 100644
--- a/sdk/bsp/ldscripts/non_ble_projects/sections.ld.h
+++ b/sdk/bsp/ldscripts/non_ble_projects/sections.ld.h
@@ -220,10 +220,21 @@ SECTIONS
         } > ROM
         __exidx_end = .;
 
+#if (dg_configBLACK_ORCA_IC_REV != BLACK_ORCA_IC_REV_A) && (dg_configEXEC_MODE != MODE_IS_CACHED)
+        .note.gnu.build-id : AT ( LOADADDR(.ARM.exidx) + SIZEOF(.ARM.exidx) )
+#else
+        .note.gnu.build-id :
+#endif
+        {
+          /* Integrate build id as described in memfault/core/build_info.h */
+          __start_gnu_build_id_start = .;
+          KEEP(*(.note.gnu.build-id))
+        } > ROM
+
         /* 16 byte alignment is required. Please do not add anything until the __etext
          * assignment! */
 #if (dg_configBLACK_ORCA_IC_REV != BLACK_ORCA_IC_REV_A) && (dg_configEXEC_MODE != MODE_IS_CACHED)
-        .align_s : AT ( LOADADDR(.ARM.exidx) + SIZEOF(.ARM.exidx) )
+        .align_s : AT ( LOADADDR(.note.gnu.build-id) + SIZEOF(.note.gnu.build-id) )
 #else
         .align_s :
 #endif
-- 
2.31.0