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fixing huge initrd by defaulting to a smaller linker page-size

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This commit is contained in:
Steffen Vogel 2014-02-03 09:42:32 +01:00
parent 0e6f7b1e32
commit 4ec5733de0
1 changed files with 19 additions and 13 deletions
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32
newlib/examples/Makefile
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@ -1,74 +1,80 @@
ARCH = x86
BIT = 32
NEWLIB = ../x86/i586-metalsvm-elf32
MAKE = make
STRIP_DEBUG = --strip-debug
KEEP_DEBUG = --only-keep-debug
LDFLAGS =
# Default section offsets in x86-64 ELF files are aligned to the page-size.
# For x86-64 the pagesize is huge (2 MB) with the consquence of large sparse
# ELF files (which lead to a huge initrd). To solve this, we manually set the page-size to 4 KB.
override LDFLAGS += -T link.ld -Wl,-n,-z,max-page-size=0x1000
# other implicit rules
%.o : %.c
$(CC_FOR_TARGET) -c $(CFLAGS) -o $@ $<
default: all
all: memtest hello tests jacobi mshell server client rlogind fork
jacobi: jacobi.o
$(CC_FOR_TARGET) -T link.ld -o $@ $(LDFLAGS) $< -lm
$(CC_FOR_TARGET) $(LDFLAGS) -o $@ $< -lm
$(OBJCOPY_FOR_TARGET) $(KEEP_DEBUG) $@ $@.sym
$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
chmod a-x $@.sym
memtest: memtest.o
$(CC_FOR_TARGET) -T link.ld -o $@ $(LDFLAGS) $<
$(CC_FOR_TARGET) $(LDFLAGS) -o $@ $<
$(OBJCOPY_FOR_TARGET) $(KEEP_DEBUG) $@ $@.sym
$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
chmod a-x $@.sym
fork: fork.o
$(CC_FOR_TARGET) -T link.ld -o $@ $(LDFLAGS) $<
$(CC_FOR_TARGET) $(LDFLAGS) -o $@ $<
$(OBJCOPY_FOR_TARGET) $(KEEP_DEBUG) $@ $@.sym
$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
chmod a-x $@.sym
tests: tests.o
$(CC_FOR_TARGET) -T link.ld -o $@ $(LDFLAGS) $<
$(CC_FOR_TARGET) $(LDFLAGS) -o $@ $<
$(OBJCOPY_FOR_TARGET) $(KEEP_DEBUG) $@ $@.sym
$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
chmod a-x $@.sym
hello: hello.o
$(CC_FOR_TARGET) -T link.ld -o $@ $(LDFLAGS) $<
$(CC_FOR_TARGET) $(LDFLAGS) -o $@ $<
$(OBJCOPY_FOR_TARGET) $(KEEP_DEBUG) $@ $@.sym
$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
chmod a-x $@.sym
mshell: mshell.o
$(CC_FOR_TARGET) -T link.ld -o $@ $(LDFLAGS) $<
$(CC_FOR_TARGET) $(LDFLAGS) -o $@ $<
$(OBJCOPY_FOR_TARGET) $(KEEP_DEBUG) $@ $@.sym
$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
chmod a-x $@.sym
rlogind: rlogind.o
$(CC_FOR_TARGET) -T link.ld -o $@ $(LDFLAGS) $< -lsocket
$(CC_FOR_TARGET) $(LDFLAGS) -o $@ $< -lsocket
$(OBJCOPY_FOR_TARGET) $(KEEP_DEBUG) $@ $@.sym
$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
chmod a-x $@.sym
server: server.o
$(CC_FOR_TARGET) -T link.ld -o $@ $(LDFLAGS) $< -lsocket
$(CC_FOR_TARGET) $(LDFLAGS) -o $@ $< -lsocket
$(OBJCOPY_FOR_TARGET) $(KEEP_DEBUG) $@ $@.sym
$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
chmod a-x $@.sym
client: client.o
$(CC_FOR_TARGET) -T link.ld -o $@ $(LDFLAGS) $< -lsocket
$(CC_FOR_TARGET) $(LDFLAGS) -o $@ $< -lsocket
$(OBJCOPY_FOR_TARGET) $(KEEP_DEBUG) $@ $@.sym
$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $@
chmod a-x $@.sym
clean:
$(RM) hello tests server client rlogind memtest mshell jacobi hello *.sym *.o *~
$(RM) hello tests server client rlogind memtest fork mshell jacobi hello *.sym *.o *~
depend:
$(CC_FOR_TARGET) -MM $(CFLAGS) *.c > Makefile.dep