Generate and extract debug sysmbols for coreboot. *.debug files can be

used for source level debug.

Signed-off-by: Marc Jones <marcj303@gmail.com>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5827 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

diff --git a/Makefile b/Makefile
index 247daccc01fc3f9e6bd7e0a4bce3c5e7955d4b24..771f48de8d117c88903902acb3be034d90ddf941 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -287,7 +287,7 @@ INCLUDES += -Isrc/devices/oprom/include
 # abspath is a workaround for romcc
 INCLUDES += -include $(abspath $(obj)/config.h)
 
-CFLAGS = $(INCLUDES) -Os -nostdinc -pipe
+CFLAGS = $(INCLUDES) -Os -nostdinc -pipe -g
 CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
 CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
 CFLAGS += -Wstrict-aliasing -Wshadow

diff --git a/src/arch/i386/Makefile.bigbootblock.inc b/src/arch/i386/Makefile.bigbootblock.inc
index 9b0e179e718b9fd12705229895aed2e190774e90..939eea63a3c43387d4949e4ff96b8bc4f1a79872 100644 (file)
--- a/src/arch/i386/Makefile.bigbootblock.inc
+++ b/src/arch/i386/Makefile.bigbootblock.inc
@@ -32,4 +32,7 @@ $(obj)/coreboot: $$(initobjs) $(obj)/ldscript.ld
        @printf "    LINK       $(subst $(obj)/,,$(@))\n"
        $(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(obj)/ldscript.ld $(initobjs)
        $(NM) -n $(obj)/coreboot | sort > $(obj)/coreboot.map
+       $(OBJCOPY) --only-keep-debug $@ $(obj)/bootblock.debug
+       $(OBJCOPY) --strip-debug $@
+       $(OBJCOPY) --add-gnu-debuglink=$(obj)/bootblock.debug $@
 

diff --git a/src/arch/i386/Makefile.bootblock.inc b/src/arch/i386/Makefile.bootblock.inc
index 9fb78c57b7c1094fd49b5e34fc26a0df18fb9fd9..52a529c1d71d5bf8ee655b2bccdc33e3bceaa5f3 100644 (file)
--- a/src/arch/i386/Makefile.bootblock.inc
+++ b/src/arch/i386/Makefile.bootblock.inc
@@ -75,6 +75,9 @@ $(obj)/bootblock.elf: $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.o $(obj)/bootbl
        @printf "    LINK       $(subst $(obj)/,,$(@))\n"
        $(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(obj)/bootblock/ldscript.ld $<
        $(NM) -n $(obj)/bootblock.elf | sort > $(obj)/bootblock.map
+       $(OBJCOPY) --only-keep-debug $@ $(obj)/bootblock.debug
+       $(OBJCOPY) --strip-debug $@
+       $(OBJCOPY) --add-gnu-debuglink=$(obj)/bootblock.debug $@
 
 #######################################################################
 # Build the romstage
@@ -89,6 +92,9 @@ $(obj)/coreboot.romstage: $(obj)/coreboot.pre1 $$(initobjs) $(obj)/romstage/ldsc
        printf ';\nAUTO_XIP_ROM_BASE = CONFIG_ROMBASE & ~(CONFIG_XIP_ROM_SIZE - 1);\n' >> $(obj)/location.ld
        $(CC) -nostdlib -nostartfiles -static -o $(obj)/romstage.elf -L$(obj) -T $(obj)/romstage/ldscript.ld $(initobjs)
        $(NM) -n $(obj)/romstage.elf | sort > $(obj)/romstage.map
+       $(OBJCOPY) --only-keep-debug $(obj)/romstage.elf $(obj)/romstage.debug
+       $(OBJCOPY) --strip-debug $(obj)/romstage.elf
+       $(OBJCOPY) --add-gnu-debuglink=$(obj)/romstage.debug $(obj)/romstage.elf
        $(OBJCOPY) -O binary $(obj)/romstage.elf $@
 
 $(obj)/romstage/ldscript.ld: $$(ldscripts) $(obj)/ldoptions

diff --git a/src/arch/i386/Makefile.inc b/src/arch/i386/Makefile.inc
index 13ecd2f2f0cad3a222c5624b1d07fd1af141c1e0..ba6489030f19f124d2e584c5cf439d6395925fa4 100644 (file)
--- a/src/arch/i386/Makefile.inc
+++ b/src/arch/i386/Makefile.inc
@@ -107,6 +107,9 @@ $(obj)/coreboot_ram: $(obj)/coreboot_ram.o $(src)/arch/i386/coreboot_ram.ld #ldo
        @printf "    CC         $(subst $(obj)/,,$(@))\n"
        $(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(src)/arch/i386/coreboot_ram.ld $(obj)/coreboot_ram.o
        $(NM) -n $(obj)/coreboot_ram | sort > $(obj)/coreboot_ram.map
+       $(OBJCOPY) --only-keep-debug $@ $(obj)/coreboot_ram.debug
+       $(OBJCOPY) --strip-debug $@
+       $(OBJCOPY) --add-gnu-debuglink=$(obj)/coreboot_ram.debug $@
 
 $(obj)/coreboot_ram.o: $(obj)/arch/i386/lib/c_start.o $$(drivers) $(obj)/coreboot.a $(LIBGCC_FILE_NAME)
        @printf "    CC         $(subst $(obj)/,,$(@))\n"
@@ -125,6 +128,9 @@ ifeq ($(CONFIG_AP_CODE_IN_CAR),y)
 $(obj)/coreboot_ap: $(obj)/mainboard/$(MAINBOARDDIR)/ap_romstage.o
        @printf "    CC         $(subst $(obj)/,,$(@))\n"
        $(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(src)/arch/i386/init/ldscript_apc.lb $^
+       $(OBJCOPY) --only-keep-debug $@ $(obj)/coreboot_ap.debug
+       $(OBJCOPY) --strip-debug $@
+       $(OBJCOPY) --add-gnu-debuglink=$(obj)/coreboot_ap.debug $@
        $(NM) -n $(obj)/coreboot_ap | sort > $(obj)/coreboot_ap.map