ppc4xx: Cleanup for partial linking and --gc-sections
This commit adapts 4xx boards for partial linking with --gc-sections.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Stefan Roese <sr@denx.de>
Cc: Tirumala Marri <tmarri@apm.com>
Cc: David Updegraff <dave@cray.com>
Cc: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
Cc: Dirk Eibach <eibach@gdsys.de>
Cc: Larry Johnson <lrj@acm.org>
Cc: Peter De Schrijver <p2@mind.be>
Cc: Niklaus Giger <niklaus.giger@netstal.com>
Cc: Daniel Poirot <dan.poirot@windriver.com>
Acked-by: Stefan Roese <sr@denx.de>
diff --git a/board/esd/dasa_sim/u-boot.lds b/board/esd/dasa_sim/u-boot.lds
index 0e1d625..3349fe8 100644
--- a/board/esd/dasa_sim/u-boot.lds
+++ b/board/esd/dasa_sim/u-boot.lds
@@ -22,59 +22,31 @@
*/
OUTPUT_ARCH(powerpc)
-/* Do we need any of these for elf?
- __DYNAMIC = 0; */
+
SECTIONS
{
.resetvec 0xFFFFFFFC :
{
- *(.resetvec)
+ KEEP(*(.resetvec))
} = 0xffff
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
- .interp : { *(.interp) }
- .hash : { *(.hash) }
- .dynsym : { *(.dynsym) }
- .dynstr : { *(.dynstr) }
- .rel.text : { *(.rel.text) }
- .rela.text : { *(.rela.text) }
- .rel.data : { *(.rel.data) }
- .rela.data : { *(.rela.data) }
- .rel.rodata : { *(.rel.rodata) }
- .rela.rodata : { *(.rela.rodata) }
- .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.bss : { *(.rel.bss) }
- .rela.bss : { *(.rela.bss) }
- .rel.plt : { *(.rel.plt) }
- .rela.plt : { *(.rela.plt) }
- .init : { *(.init) }
- .plt : { *(.plt) }
.text :
{
- arch/powerpc/cpu/ppc4xx/start.o (.text)
+ arch/powerpc/cpu/ppc4xx/start.o (.text)
. = env_offset;
- common/env_embedded.o(.text)
+ common/env_embedded.o (.text*)
- *(.text)
- *(.got1)
+ *(.text*)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
- *(.eh_frame)
*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
}
- .fini : { *(.fini) } =0
- .ctors : { *(.ctors) }
- .dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x0FFF) & 0xFFFFF000;
@@ -82,23 +54,19 @@
PROVIDE (erotext = .);
.reloc :
{
- *(.got)
+ KEEP(*(.got))
_GOT2_TABLE_ = .;
- *(.got2)
+ KEEP(*(.got2))
_FIXUP_TABLE_ = .;
- *(.fixup)
+ KEEP(*(.fixup))
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
__fixup_entries = (. - _FIXUP_TABLE_)>>2;
.data :
{
- *(.data)
- *(.data1)
- *(.sdata)
- *(.sdata2)
- *(.dynamic)
- CONSTRUCTORS
+ *(.data*)
+ *(.sdata*)
}
_edata = .;
PROVIDE (edata = .);
@@ -124,9 +92,8 @@
__bss_start = .;
.bss (NOLOAD) :
{
- *(.sbss) *(.scommon)
- *(.dynbss)
- *(.bss)
+ *(.bss*)
+ *(.sbss*)
*(COMMON)
. = ALIGN(4);
}
diff --git a/board/esd/du440/Makefile b/board/esd/du440/Makefile
index 7b7b4f7..06824c7 100644
--- a/board/esd/du440/Makefile
+++ b/board/esd/du440/Makefile
@@ -32,8 +32,10 @@
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
-$(LIB): $(OBJS) $(SOBJS)
- $(call cmd_link_o_target, $(OBJS) $(SOBJS))
+all: $(LIB) $(SOBJS)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $^)
clean:
rm -f $(SOBJS) $(OBJS)
diff --git a/board/esd/pmc440/Makefile b/board/esd/pmc440/Makefile
index b2f4465..f640d1e 100644
--- a/board/esd/pmc440/Makefile
+++ b/board/esd/pmc440/Makefile
@@ -37,8 +37,10 @@
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
-$(LIB): $(OBJS) $(SOBJS)
- $(call cmd_link_o_target, $(OBJS) $(SOBJS))
+all: $(LIB) $(SOBJS)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $^)
clean:
rm -f $(SOBJS) $(OBJS)