Save a few bytes of flash by aligning BSS data.

wind0r · Jun 21, 2015 · 5dee96c · 5dee96c
1 parent 7db6267
commit 5dee96c
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Showing 6 changed files with 6 additions and 7 deletions.
diff --git a/src/main/target/stm32_flash_f103_128k.ld b/src/main/target/stm32_flash_f103_128k.ld
@@ -97,7 +97,6 @@ SECTIONS
     _sdata = .;        /* create a global symbol at data start */
     *(.data)           /* .data sections */
     *(.data*)          /* .data* sections */
-
     . = ALIGN(4);
     _edata = .;        /* define a global symbol at data end */
   } >RAM AT> FLASH
@@ -110,7 +109,7 @@ SECTIONS
     _sbss = .;         /* define a global symbol at bss start */
     __bss_start__ = _sbss;
     *(.bss)
-    *(.bss*)
+    *(SORT_BY_ALIGNMENT(.bss*))
     *(COMMON)
 
     . = ALIGN(4);

diff --git a/src/main/target/stm32_flash_f103_128k_opbl.ld b/src/main/target/stm32_flash_f103_128k_opbl.ld
@@ -111,7 +111,7 @@ SECTIONS
     _sbss = .;         /* define a global symbol at bss start */
     __bss_start__ = _sbss;
     *(.bss)
-    *(.bss*)
+    *(SORT_BY_ALIGNMENT(.bss*))
     *(COMMON)
 
     . = ALIGN(4);

diff --git a/src/main/target/stm32_flash_f103_256k.ld b/src/main/target/stm32_flash_f103_256k.ld
@@ -109,7 +109,7 @@ SECTIONS
     _sbss = .;         /* define a global symbol at bss start */
     __bss_start__ = _sbss;
     *(.bss)
-    *(.bss*)
+    *(SORT_BY_ALIGNMENT(.bss*))
     *(COMMON)
 
     . = ALIGN(4);

diff --git a/src/main/target/stm32_flash_f103_64k.ld b/src/main/target/stm32_flash_f103_64k.ld
@@ -109,7 +109,7 @@ SECTIONS
     _sbss = .;         /* define a global symbol at bss start */
     __bss_start__ = _sbss;
     *(.bss)
-    *(.bss*)
+    *(SORT_BY_ALIGNMENT(.bss*))
     *(COMMON)
 
     . = ALIGN(4);

diff --git a/src/main/target/stm32_flash_f303_128k.ld b/src/main/target/stm32_flash_f303_128k.ld
@@ -109,7 +109,7 @@ SECTIONS
     _sbss = .;         /* define a global symbol at bss start */
     __bss_start__ = _sbss;
     *(.bss)
-    *(.bss*)
+    *(SORT_BY_ALIGNMENT(.bss*))
     *(COMMON)
 
     . = ALIGN(4);

diff --git a/src/main/target/stm32_flash_f303_256k.ld b/src/main/target/stm32_flash_f303_256k.ld
@@ -109,7 +109,7 @@ SECTIONS
     _sbss = .;         /* define a global symbol at bss start */
     __bss_start__ = _sbss;
     *(.bss)
-    *(.bss*)
+    *(SORT_BY_ALIGNMENT(.bss*))
     *(COMMON)
 
     . = ALIGN(4);