From 1f4fe94583b37183b44da0b54736867a153547f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Revol?= <revol@free.fr>
Date: Mon, 27 Jul 2009 16:21:20 +0000
Subject: [PATCH] [GSoC] [ARM] Patch by Johannes Wischert. LD scripts for
 u-boot based bootloader and the kernel.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31819 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 .../ldscripts/arm/boot_loader_u-boot.ld       | 63 ++++++++++++++
 src/system/ldscripts/arm/kernel.ld            | 83 +++++++++++++++++++
 2 files changed, 146 insertions(+)
 create mode 100644 src/system/ldscripts/arm/boot_loader_u-boot.ld
 create mode 100644 src/system/ldscripts/arm/kernel.ld

diff --git a/src/system/ldscripts/arm/boot_loader_u-boot.ld b/src/system/ldscripts/arm/boot_loader_u-boot.ld
new file mode 100644
index 0000000000..8d90215c34
--- /dev/null
+++ b/src/system/ldscripts/arm/boot_loader_u-boot.ld
@@ -0,0 +1,63 @@
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+
+ENTRY(_start)
+SECTIONS
+{
+/*	. = 0x80008000; */
+	. = 0xa2000000;
+
+	/* text/read-only data */
+	.text :	{ *(.text .gnu.linkonce.t.*) }
+
+	. = ALIGN(0x4);
+	__ctor_list = .;
+	.ctors : { *(.ctors) }
+	__ctor_end = .;
+
+	.rodata : { *(.rodata .rodata.*) }
+
+	/* writable data  */
+	. = ALIGN(0x1000);
+	__data_start = .;
+	.data : { *(.data .gnu.linkonce.d.*) }
+
+	/* unintialized data (in same segment as writable data) */
+	__bss_start = .;
+	.bss : { *(.bss) }
+
+	. = ALIGN(0x1000);
+	_end = . ;
+  /* Stabs debugging sections.  */
+  .stab 0 : { *(.stab) }
+  .stabstr 0 : { *(.stabstr) }
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.  */
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+  /* These must appear regardless of  .  */
+
+	/* Strip unnecessary stuff */
+/*	/DISCARD/ : { *(.comment .note .eh_frame .dtors .stab .stabstr .debug*) }*/
+}
diff --git a/src/system/ldscripts/arm/kernel.ld b/src/system/ldscripts/arm/kernel.ld
new file mode 100644
index 0000000000..948f8fee25
--- /dev/null
+++ b/src/system/ldscripts/arm/kernel.ld
@@ -0,0 +1,83 @@
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+
+ENTRY(_start)
+SECTIONS
+{
+	. =  0x80500000;
+/*	. =  0x80000000;*/
+
+	.interp : { *(.interp) }
+	.hash : { *(.hash) }
+	.dynsym : { *(.dynsym) }
+	.dynstr : { *(.dynstr) }
+	.rel.text : { *(.rel.text) *(.rel.gnu.linkonce.t*) }
+	.rela.text : { *(.rela.text) *(.rela.gnu.linkonce.t*) }
+	.rel.data : { *(.rel.data) *(.rel.gnu.linkonce.d*) }
+	.rela.data : { *(.rela.data) *(.rela.gnu.linkonce.d*) }
+	.rel.rodata : { *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
+	.rela.rodata : { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
+	.rel.got : { *(.rel.got) }
+	.rela.got : { *(.rela.got) }
+	.rel.ctors : { *(.rel.ctors) }
+	.rela.ctors : { *(.rela.ctors) }
+	.rel.dtors : { *(.rel.dtors) }
+	.rela.dtors : { *(.rela.dtors) }
+	.rel.init : { *(.rel.init) }
+	.rela.init : { *(.rela.init) }
+	.rel.fini : { *(.rel.fini) }
+	.rela.fini : { *(.rela.fini) }
+	.rel.bss : { *(.rel.bss) }
+	.rela.bss : { *(.rela.bss) }
+	.rel.plt : { *(.rel.plt) }
+	.rela.plt : { *(.rela.plt) }
+	.init : { *(.init) } =0x9090
+	.plt : { *(.plt) }
+
+	/* text/read-only data */
+	.text :	{ *(.text .text.* .glue_7* .gnu.linkonce.t.*) } =0x9090
+
+	.rodata : { 
+		*(.rodata .rodata.* .gnu.linkonce.r.*)
+		. = ALIGN(4);
+		__commands_start = .;
+		KEEP (*(.commands))
+		__commands_end = .;
+		. = ALIGN(4);
+		__apps_start = .;
+		KEEP (*(.apps))
+		__apps_end = .;
+		. = ALIGN(4); 
+		__rodata_end = . ;		
+	}
+
+	/* writable data  */
+	__data_start_rom = .;	/* in one segment binaries, the rom data address is on top of the ram data address */
+	__data_start = .;
+	.data : SUBALIGN(4) { *(.data .data.* .gnu.linkonce.d.*) }
+
+	__ctor_list = .;
+	.ctors : { *(.ctors) }
+	__ctor_end = .;
+	__dtor_list = .;
+	.dtors : { *(.dtors) }
+	__dtor_end = .;
+	.got : { *(.got.plt) *(.got) }
+	.dynamic : { *(.dynamic) }
+
+	__data_end = .;
+
+	/* unintialized data (in same segment as writable data) */
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss .bss.*) }
+
+	. = ALIGN(4); 
+	_end = .;
+
+/*	. =  0x80000000 + %MEMSIZE%; */
+	_end_of_ram = .;
+
+	/* Strip unnecessary stuff */
+	/DISCARD/ : { *(.comment .note .eh_frame) }
+}