prepare linker script for paging activation

1 files changed, 23 insertions, 3 deletions

diff --git a/linker.ld b/linker.ld
index e644daf..084cae1 100644
--- a/linker.ld
+++ b/linker.ld
@@ -20,14 +20,33 @@ PHDRS {
 
 SECTIONS {
 	. = 0x80200000;
+
 	.text (0x80200000) : {
+		PROVIDE(_text_start = .);
+
 		*(.text.start)
 		*(.text .text.*)
+
+		PROVIDE(_text_end = .);
 	} > ram AT > ram : lo_rx
 
-	.rodata : { *(.rodata .rodata.*) } > ram AT > ram : lo_r
-	.data   : { *(.data    .data.* ) } > ram AT > ram : lo_rw
+	.rodata : {
+		PROVIDE(_rodata_start = .);
+
+		*(.rodata .rodata.*)
+
+		PROVIDE(_rodata_end = .);
+	} > ram AT > ram : lo_r
+	.data   : {
+		PROVIDE(_data_start = .);
+
+		*(.data    .data.* )
+
+		PROVIDE(_data_end = .);
+	} > ram AT > ram : lo_rw
 	.bss    : {
+		PROVIDE(_bss_start = .);
+
 		*(.bss .bss.*)
 
 		PROVIDE(_bss_end = .);
@@ -38,9 +57,10 @@ SECTIONS {
 	PROVIDE(_memory_start = ORIGIN(ram));
 	PROVIDE(_memory_end = ORIGIN(ram) + LENGTH(ram));
 
+	/* Currently unused */
 	PROVIDE(_stack_start = _bss_end);
 	PROVIDE(_stack_end = _stack_start + 0x80000);
 
 	PROVIDE(_heap_start = _stack_end);
-	PROVIDE(_heap_size = _memory_end - _heap_start);
+	PROVIDE(_heap_end = _memory_end);
 }