From c2fd66bfab2607c057afa339dddcf2b15640d6b1 Mon Sep 17 00:00:00 2001
From: "chao.an" <anchao@xiaomi.com>
Date: Tue, 7 Dec 2021 13:00:28 +0800
Subject: [PATCH] arch/arm/risc-v/xtensa: add support of all symbols for
 debugging

Signed-off-by: chao.an <anchao@xiaomi.com>
---
 arch/arm/src/Makefile    | 18 ++++++++++++++++++
 arch/risc-v/src/Makefile | 18 ++++++++++++++++++
 arch/xtensa/src/Makefile | 18 ++++++++++++++++++
 3 files changed, 54 insertions(+)

diff --git a/arch/arm/src/Makefile b/arch/arm/src/Makefile
index d3fdf2e0c4..61846b2464 100644
--- a/arch/arm/src/Makefile
+++ b/arch/arm/src/Makefile
@@ -151,11 +151,29 @@ $(KBIN): $(OBJS)
 board$(DELIM)libboard$(LIBEXT):
 	$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
 
+define LINK_ALLSYMS
+	$(Q) $(TOPDIR)/tools/mkallsyms.sh $(NUTTX) $(CROSSDEV) > allsyms.tmp
+	$(Q) $(call COMPILE, -x c allsyms.tmp, allsyms$(OBJEXT))
+	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
+		-o $(NUTTX) $(filter-out board/libboard$(LIBEXT), $1) allsyms$(OBJEXT) $(EXTRA_OBJS) \
+		$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
+	$(Q) $(call DELFILE, allsyms.tmp allsyms$(OBJEXT))
+endef
+
 nuttx$(EXEEXT): $(HEAD_OBJ) board$(DELIM)libboard$(LIBEXT)
 	$(Q) echo "LD: nuttx"
+ifneq ($(CONFIG_ALLSYMS),y)
 	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
 		-o $(NUTTX) $(HEAD_OBJ) $(EXTRA_OBJS) \
 		$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
+else
+	$(Q) # Link and generate default table
+	$(Q) $(call LINK_ALLSYMS, $^)
+	$(Q) # Extract all symbols
+	$(Q) $(call LINK_ALLSYMS, $^)
+	$(Q) # Extract again since the table offset may changed
+	$(Q) $(call LINK_ALLSYMS, $^)
+endif
 ifneq ($(CONFIG_WINDOWS_NATIVE),y)
 	$(Q) $(NM) $(NUTTX) | \
 	grep -v '\(compiled\)\|\(\$(OBJEXT)$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
diff --git a/arch/risc-v/src/Makefile b/arch/risc-v/src/Makefile
index efcf480428..cbff2cf4fa 100644
--- a/arch/risc-v/src/Makefile
+++ b/arch/risc-v/src/Makefile
@@ -140,11 +140,29 @@ $(KBIN): $(OBJS)
 board/libboard$(LIBEXT):
 	$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
 
+define LINK_ALLSYMS
+	$(Q) $(TOPDIR)/tools/mkallsyms.sh $(NUTTX) $(CROSSDEV) > allsyms.tmp
+	$(Q) $(call COMPILE, -x c allsyms.tmp, allsyms$(OBJEXT))
+	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
+		-o $(NUTTX) $(filter-out board/libboard$(LIBEXT), $1) allsyms$(OBJEXT) $(EXTRA_OBJS) \
+		$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
+	$(Q) $(call DELFILE, allsyms.tmp allsyms$(OBJEXT))
+endef
+
 nuttx$(EXEEXT): $(HEAD_OBJ) board/libboard$(LIBEXT)
 	$(Q) echo "LD: nuttx"
+ifneq ($(CONFIG_ALLSYMS),y)
 	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
 		-o $(NUTTX) $(HEAD_OBJ) $(EXTRA_OBJS) \
 		$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
+else
+	$(Q) # Link and generate default table
+	$(Q) $(call LINK_ALLSYMS, $^)
+	$(Q) # Extract all symbols
+	$(Q) $(call LINK_ALLSYMS, $^)
+	$(Q) # Extract again since the table offset may changed
+	$(Q) $(call LINK_ALLSYMS, $^)
+endif
 ifneq ($(CONFIG_WINDOWS_NATIVE),y)
 	$(Q) $(NM) $(NUTTX) | \
 	grep -v '\(compiled\)\|\(\$(OBJEXT)$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
diff --git a/arch/xtensa/src/Makefile b/arch/xtensa/src/Makefile
index 7d4021a5aa..bb673eb42f 100644
--- a/arch/xtensa/src/Makefile
+++ b/arch/xtensa/src/Makefile
@@ -105,11 +105,29 @@ libarch$(LIBEXT): $(OBJS)
 board/libboard$(LIBEXT):
 	$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
 
+define LINK_ALLSYMS
+	$(Q) $(TOPDIR)/tools/mkallsyms.sh $(NUTTX) $(CROSSDEV) > allsyms.tmp
+	$(Q) $(call COMPILE, -x c allsyms.tmp, allsyms$(OBJEXT))
+	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
+		-o $(NUTTX) $(filter-out board/libboard$(LIBEXT), $1) allsyms$(OBJEXT) $(EXTRA_OBJS) \
+		$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
+	$(Q) $(call DELFILE, allsyms.tmp allsyms$(OBJEXT))
+endef
+
 nuttx$(EXEEXT): $(STARTUP_OBJS) board/libboard$(LIBEXT)
 	@echo "LD: nuttx"
+ifneq ($(CONFIG_ALLSYMS),y)
 	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
 		-o $(NUTTX) $(STARTUP_OBJS) $(EXTRA_OBJS) \
 		$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
+else
+	$(Q) # Link and generate default table
+	$(Q) $(call LINK_ALLSYMS, $^)
+	$(Q) # Extract all symbols
+	$(Q) $(call LINK_ALLSYMS, $^)
+	$(Q) # Extract again since the table offset may changed
+	$(Q) $(call LINK_ALLSYMS, $^)
+endif
 ifneq ($(CONFIG_WINDOWS_NATIVE),y)
 	$(Q) $(NM) $(NUTTX) | \
 	grep -v '\(compiled\)\|\(\$(OBJEXT)$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \