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Debugging helper changes

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This commit is contained in:
Justin C. Miller
2018-03-22 18:37:18 -07:00
parent 47ebdc7f41
commit b5c579fe0d
2 changed files with 15 additions and 5 deletions
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8
.gdbinit Normal file
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@@ -0,0 +1,8 @@
set architecture i386:x86-64
symbol-file build/kernel.elf.sym
target remote localhost:1234
break kernel_main
continue
disconnect
set architecture i386:x86-64
target remote localhost:1234

12
Makefile
View File

@@ -28,7 +28,7 @@ INCLUDES += -isystem $(EFI_INCLUDES)
INCLUDES += -isystem $(EFI_INCLUDES)/$(ARCH)
INCLUDES += -isystem $(EFI_INCLUDES)/protocol
BASEFLAGS := -O2 -nostdlib
BASEFLAGS := -ggdb -nostdlib
BASEFLAGS += -ffreestanding -nodefaultlibs
BASEFLAGS += -fno-builtin -fomit-frame-pointer
@@ -136,12 +136,12 @@ $(BUILD_D)/boot.elf: $(BOBJS) $(EFI_LIB)
$(EFI_CRT_OBJ) $(BOBJS) -lefi -lgnuefi
$(BUILD_D)/boot.efi: $(BUILD_D)/boot.elf
objcopy -j .text -j .sdata -j .data -j .dynamic \
$(OBJC) -j .text -j .sdata -j .data -j .dynamic \
-j .dynsym -j .rel -j .rela -j .reloc \
--target=efi-app-$(ARCH) $^ $@
$(BUILD_D)/boot.debug.efi: $(BUILD_D)/boot.elf
objcopy -j .text -j .sdata -j .data -j .dynamic \
$(OBJC) -j .text -j .sdata -j .data -j .dynamic \
-j .dynsym -j .rel -j .rela -j .reloc \
-j .debug_info -j .debug_abbrev -j .debug_loc -j .debug_str \
-j .debug_aranges -j .debug_line -j .debug_macinfo \
@@ -161,6 +161,8 @@ $(BUILD_D)/boot/%.c.o: src/boot/%.c $(INIT_DEP)
$(BUILD_D)/kernel.elf: $(KOBJS) $(MOD_TARGETS) $(ARCH_D)/kernel.ld
$(LD) $(LDFLAGS) -u kernel_main -T $(ARCH_D)/kernel.ld -o $@ $(KOBJS) $(patsubst %,-l%,$(MODULES))
$(OBJC) --only-keep-debug $@ $@.sym
$(OBJC) --strip-debug $@
$(BUILD_D)/kernel.dump: $(BUILD_D)/kernel.elf
$(OBJD) -D -S $< > $@
@@ -202,7 +204,7 @@ qemu: $(BUILD_D)/fs.img $(BUILD_D)/flash.img
qemu-window: $(BUILD_D)/fs.img $(BUILD_D)/flash.img
"$(QEMU)" $(QEMUOPTS)
qemu-gdb: $(BUILD_D)/fs.img $(BUILD_D)/boot.debug.efi $(BUILD_D)/flash.img
"$(QEMU)" $(QEMUOPTS) -S -D popcorn-qemu.log -s
qemu-gdb: $(BUILD_D)/fs.img $(BUILD_D)/boot.debug.efi $(BUILD_D)/flash.img $(BUILD_D)/kernel.elf
"$(QEMU)" $(QEMUOPTS) -S -D popcorn-qemu.log -s -nographic
# vim: ft=make ts=4