Contents of /trunk/mkinitrd-magellan/klibc/usr/klibc/syscalls/Kbuild
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
File size: 3673 byte(s)
Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
File size: 3673 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
| 1 | # |
| 2 | # kbuild file for generating syscall stubs |
| 3 | # |
| 4 | |
| 5 | # Include automatically generated Makefile fragment. |
| 6 | # It contains definition of syscall-objs specifying name of all .o files |
| 7 | ifeq ($(clean),) |
| 8 | -include $(obj)/syscalls.mk |
| 9 | endif |
| 10 | |
| 11 | # Listing of all .o files |
| 12 | always := klib.list |
| 13 | |
| 14 | |
| 15 | ##### |
| 16 | # Generate syscalls stubs |
| 17 | # Based on list in SYSCALLS.def generate stubs for sys calls. Actual arch code |
| 18 | # is defined in an arch specific perl file |
| 19 | targets += syscalls.mk |
| 20 | targets += klib.list |
| 21 | targets += SYSCALLS.i syscalls.nrs |
| 22 | targets += typesize.c typesize.o typesize.bin |
| 23 | targets += $(syscall-objs) |
| 24 | |
| 25 | # Side effect of running syscalls.pl |
| 26 | clean-files += $(objtree)/$(KLIBCINC)/klibc/havesyscall.h |
| 27 | clean-files += $(KLIBCINC)/klibc/havesyscall.h |
| 28 | # All the syscall stubs |
| 29 | clean-files += *.o *.S *.c *.list *.bin |
| 30 | |
| 31 | EXTRA_KLIBCCFLAGS := -I$(srctree)/$(src) |
| 32 | |
| 33 | quiet_cmd_makelist = LIST $@ |
| 34 | cmd_makelist = echo '$(filter-out FORCE,$^)' > $@ |
| 35 | |
| 36 | # Create list of all files |
| 37 | $(obj)/klib.list: $(call objectify,$(syscall-objs)) FORCE |
| 38 | $(call if_changed,makelist) |
| 39 | |
| 40 | # Generate assembler file (.i) |
| 41 | # We pass -ansi to keep cpp from define e.g. "i386" as well as "__i386__" |
| 42 | quiet_cmd_syscall.i = GEN $@ |
| 43 | cmd_syscall.i = $(KLIBCCC) $(klibccflags) -D__ASSEMBLY__ \ |
| 44 | -ansi -x c -E -o $@ $< |
| 45 | $(obj)/SYSCALLS.i: $(KLIBCSRC)/SYSCALLS.def FORCE |
| 46 | $(call if_changed_dep,syscall.i) |
| 47 | |
| 48 | # Get syscalls numbers |
| 49 | quiet_cmd_syscall.nrs = GEN $@ |
| 50 | cmd_syscall.nrs = $(KLIBCCC) $(klibccflags) -Wp,-dM -x c -E -o $@ $< |
| 51 | $(obj)/syscalls.nrs: $(KLIBCINC)/sys/syscall.h FORCE |
| 52 | $(call if_changed_dep,syscall.nrs) |
| 53 | |
| 54 | # Generate typesize.c |
| 55 | quiet_cmd_syscalsz = GEN $@ |
| 56 | cmd_syscalsz = mkdir -p $(KLIBCINC)/klibc/; \ |
| 57 | $(PERL) $(KLIBCSRC)/syscalls.pl -1 $(obj)/SYSCALLS.i \ |
| 58 | $(KLIBCSRC)/arch/$(KLIBCARCHDIR)/sysstub.ph \ |
| 59 | $(KLIBCARCH) $(KLIBCBITSIZE) $(obj)/syscalls.nrs \ |
| 60 | $(obj) \ |
| 61 | $(KLIBCINC)/klibc/havesyscall.h \ |
| 62 | $(obj)/typesize.c > $@ \ |
| 63 | || ( rm -f $@ ; exit 1 ) |
| 64 | |
| 65 | $(obj)/typesize.c: $(KLIBCSRC)/syscalls.pl $(obj)/SYSCALLS.i \ |
| 66 | $(KLIBCSRC)/arch/$(KLIBCARCHDIR)/sysstub.ph \ |
| 67 | $(src)/syscommon.h $(obj)/syscalls.nrs FORCE |
| 68 | $(call if_changed,syscalsz) |
| 69 | |
| 70 | # Convert typesize.o to typesize.bin |
| 71 | quiet_cmd_mkbin = OBJCOPY $@ |
| 72 | cmd_mkbin = $(KLIBCOBJCOPY) -O binary $< $@ |
| 73 | |
| 74 | $(obj)/typesize.bin: $(obj)/typesize.o FORCE |
| 75 | $(call if_changed,mkbin) |
| 76 | |
| 77 | # Generate $(KLIBINC)/klibc/havesyscall.h + makefile fragment |
| 78 | # Using sysstub.pl in arch dir generate all .S files |
| 79 | quiet_cmd_syscalls = GEN $@ |
| 80 | cmd_syscalls = mkdir -p $(KLIBCINC)/klibc/; \ |
| 81 | $(PERL) $(KLIBCSRC)/syscalls.pl -2 $(obj)/SYSCALLS.i \ |
| 82 | $(KLIBCSRC)/arch/$(KLIBCARCHDIR)/sysstub.ph \ |
| 83 | $(KLIBCARCH) $(KLIBCBITSIZE) $(obj)/syscalls.nrs \ |
| 84 | $(obj) \ |
| 85 | $(KLIBCINC)/klibc/havesyscall.h \ |
| 86 | $(obj)/typesize.bin > $@ \ |
| 87 | || ( rm -f $@ ; exit 1 ) |
| 88 | |
| 89 | $(obj)/syscalls.mk: $(KLIBCSRC)/syscalls.pl $(obj)/SYSCALLS.i \ |
| 90 | $(KLIBCSRC)/arch/$(KLIBCARCHDIR)/sysstub.ph \ |
| 91 | $(call objectify, $(syscall-objs:.o=.S)) \ |
| 92 | $(src)/syscommon.h $(obj)/syscalls.nrs \ |
| 93 | $(obj)/typesize.bin FORCE |
| 94 | $(call if_changed,syscalls) |