From 871ba41a0972ccd9e619192ab1dc5c720cb3d772 Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@espressif.com>
Date: Mon, 17 Jul 2017 14:37:06 +1000
Subject: [PATCH] bootloader: Remove unnecessary KEEP on data/bss sections,
 save static RAM

---
 .../subproject/main/esp32.bootloader.ld       | 24 +++++++++----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/components/bootloader/subproject/main/esp32.bootloader.ld b/components/bootloader/subproject/main/esp32.bootloader.ld
index 3f1b9eb0b..54fe1a9a3 100644
--- a/components/bootloader/subproject/main/esp32.bootloader.ld
+++ b/components/bootloader/subproject/main/esp32.bootloader.ld
@@ -47,7 +47,7 @@ SECTIONS
     *(.sbss2.*)
     *(.gnu.linkonce.sb2.*)
     *(.dynbss)
-    KEEP(*(.bss))
+    *(.bss)
     *(.bss.*)
     *(.gnu.linkonce.b.*)
     *(COMMON)
@@ -58,17 +58,17 @@ SECTIONS
   .dram0.data :
   {
     _data_start = ABSOLUTE(.);
-    KEEP(*(.data))
-    KEEP(*(.data.*))
-    KEEP(*(.gnu.linkonce.d.*))
-    KEEP(*(.data1))
-    KEEP(*(.sdata))
-    KEEP(*(.sdata.*))
-    KEEP(*(.gnu.linkonce.s.*))
-    KEEP(*(.sdata2))
-    KEEP(*(.sdata2.*))
-    KEEP(*(.gnu.linkonce.s2.*))
-    KEEP(*(.jcr))
+    *(.data)
+    *(.data.*)
+    *(.gnu.linkonce.d.*)
+    *(.data1)
+    *(.sdata)
+    *(.sdata.*)
+    *(.gnu.linkonce.s.*)
+    *(.sdata2)
+    *(.sdata2.*)
+    *(.gnu.linkonce.s2.*)
+    *(.jcr)
     _data_end = ABSOLUTE(.);
   } >dram_seg