Annotation of /trunk/mkinitrd-magellan/klibc/usr/klibc/syscalls/Kbuild
Parent Directory
| 
Revision Log
Revision 532 -
(hide annotations)
(download)
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 | niro | 532 | # |
| 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) |