Module Name: src
Committed By: isaki
Date: Fri Aug 14 03:54:46 UTC 2020
Modified Files:
src/sys/arch/x68k/stand/xxboot: Makefile.xxboot xxboot.ldscript
Log Message:
Reduce binary size as possible. These reduce filesize about 20 words.
- Use word alignment (rather than longword alignment) for text/data section.
- Use short reference. In the bootloader, all symbols can be expressed in
short.
To generate a diff of this commit:
cvs rdiff -u -r1.16 -r1.17 src/sys/arch/x68k/stand/xxboot/Makefile.xxboot
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/x68k/stand/xxboot/xxboot.ldscript
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/x68k/stand/xxboot/Makefile.xxboot
diff -u src/sys/arch/x68k/stand/xxboot/Makefile.xxboot:1.16 src/sys/arch/x68k/stand/xxboot/Makefile.xxboot:1.17
--- src/sys/arch/x68k/stand/xxboot/Makefile.xxboot:1.16 Fri Aug 14 03:40:47 2020
+++ src/sys/arch/x68k/stand/xxboot/Makefile.xxboot Fri Aug 14 03:54:46 2020
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile.xxboot,v 1.16 2020/08/14 03:40:47 isaki Exp $
+# $NetBSD: Makefile.xxboot,v 1.17 2020/08/14 03:54:46 isaki Exp $
NOMAN= # defined
@@ -40,6 +40,7 @@ CPPFLAGS+= -DHEAP_START=0x00100000
CPPFLAGS+= -nostdinc -I${.OBJDIR} -I${S}
CPPFLAGS+= -I$M/stand/libiocs -I$M/stand/libsa -I$M/stand/common
AFLAGS= ${CFLAGS:M-[ID]*}
+AFLAGS+= -Wa,-l
LINKFLAGS= -n -Bstatic -T ${.CURDIR}/../xxboot.ldscript
LINKFLAGS+= --defsym=TEXTADDR=$(TEXT)
LINKFLAGS+= --defsym=BOOT_TEXTADDR=$(BOOT_TEXT)
Index: src/sys/arch/x68k/stand/xxboot/xxboot.ldscript
diff -u src/sys/arch/x68k/stand/xxboot/xxboot.ldscript:1.8 src/sys/arch/x68k/stand/xxboot/xxboot.ldscript:1.9
--- src/sys/arch/x68k/stand/xxboot/xxboot.ldscript:1.8 Fri Aug 14 03:25:39 2020
+++ src/sys/arch/x68k/stand/xxboot/xxboot.ldscript Fri Aug 14 03:54:46 2020
@@ -8,6 +8,8 @@ SECTIONS
{
. = TEXTADDR;
.text :
+ ALIGN(2)
+ SUBALIGN(2)
{
CREATE_OBJECT_SYMBOLS
*(.text)
@@ -24,6 +26,8 @@ SECTIONS
_etext = .;
}
.data :
+ ALIGN(2)
+ SUBALIGN(2)
{
/* The first three sections are for SunOS dynamic linking. */
*(.dynamic)
