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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-11-18 19:33:51 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-11-18 19:33:51 +1100 |
| commit | c38c2e8d08e03e905b72334747a9f8795f3526c2 (patch) | |
| tree | 94a7e5ec6124998eee1d1a27577370b03304c4e6 /Makefile.main | |
| parent | 94796c825b0708c8c86e7135d60c435fc3fd00a5 (diff) | |
| download | skiboot-c38c2e8d08e03e905b72334747a9f8795f3526c2.zip skiboot-c38c2e8d08e03e905b72334747a9f8795f3526c2.tar.gz skiboot-c38c2e8d08e03e905b72334747a9f8795f3526c2.tar.bz2 | |
Add symbolic backtraces and expose skiboot map to Linux
We use a double link technique, doing a first pass with a .o containing
a dummy symbol map, then re-linking with a new .o
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'Makefile.main')
| -rw-r--r-- | Makefile.main | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/Makefile.main b/Makefile.main index aff145e..129d38b 100644 --- a/Makefile.main +++ b/Makefile.main @@ -119,14 +119,19 @@ OBJS += $(LIBPORE) endif OBJS += $(LIBC) $(CCAN) $(DEVSRC_OBJ) gitid.o +OBJS_1 = $(OBJS) asm/dummy_map.o +OBJS_2 = $(OBJS) asm/real_map.o + $(TARGET).lid: $(TARGET).elf $(call Q,OBJCOPY, $(OBJCOPY) -O binary -S $^ $@, $@) -$(TARGET).elf: $(OBJS) $(TARGET).lds $(KERNEL) - $(call Q,LD, $(CC) $(LDFLAGS) -T $(TARGET).lds $(OBJS) -o $@, $@) +$(TARGET).tmp.elf: $(OBJS_1) $(TARGET).lds $(KERNEL) + $(call Q,LD, $(CC) $(LDFLAGS) -T $(TARGET).lds $(OBJS_1) -o $@, $@) + +asm/real_map.o : $(TARGET).tmp.map -$(TARGET).map: $(TARGET).elf - $(call Q,NM, $(NM) -n $< | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)' > $@, $@) +$(TARGET).elf: $(OBJS_2) $(TARGET).lds $(KERNEL) + $(call Q,LD, $(CC) $(LDFLAGS) -T $(TARGET).lds $(OBJS_2) -o $@, $@) $(SUBDIRS): $(call Q,MKDIR,mkdir $@, $@) @@ -165,7 +170,7 @@ cscope: clean: $(RM) *.[odsa] $(SUBDIRS:%=%/*.[odsa]) - $(RM) $(TARGET).elf $(TARGET).lid $(TARGET).map $(TARGET).lds + $(RM) *.elf $(TARGET).lid *.map $(TARGET).lds $(RM) include/asm-offsets.h gitid.c distclean: clean |