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Zig: revise apps build support

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This requires nuttx/pull/11548 to work.

- Zig apps can use normal entrance "main()" now as we
- added RENAMEMAIN for none BUILD_MODULE case.
- enabled Zig program building in BUILD_MODULE case.

Note the Zig main source need to have "fn main(" pattern as
renaming is implemented via `sed`.

Signed-off-by: Yanfeng Liu <yfliu2008@qq.com>
This commit is contained in:
Yanfeng Liu 2024-01-20 16:27:03 +08:00 • committed by Xiang Xiao
parent dbcbec363d
commit 14d4059159
3 changed files with 59 additions and 6 deletions
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23
Application.mk
View file

@ -94,7 +94,7 @@ ifneq ($(BUILD_MODULE),y)
endif
ifneq ($(strip $(PROGNAME)),)
PROGOBJ := $(MAINCOBJ) $(MAINCXXOBJ) $(MAINRUSTOBJ)
PROGOBJ := $(MAINCOBJ) $(MAINCXXOBJ) $(MAINRUSTOBJ) $(MAINZIGOBJ)
PROGLIST := $(addprefix $(BINDIR)$(DELIM),$(PROGNAME))
REGLIST := $(addprefix $(BUILTIN_REGISTRY)$(DELIM),$(addsuffix .bdat,$(PROGNAME)))
@ -168,9 +168,9 @@ define ELFCOMPILERUST
$(ECHO_END)
endef
# Remove target suffix here since zig compiler add .o automatically
define ELFCOMPILEZIG
$(ECHO_BEGIN)"ZIG: $1 "
# Remove target suffix here since zig compiler add .o automatically
$(Q) $(ZIG) build-obj $(ZIGELFFLAGS) $($(strip $1)_ZIGELFFLAGS) --name $(basename $2) $1
$(ECHO_END)
endef
@ -181,6 +181,13 @@ define ELFLD
$(ECHO_END)
endef
# rename "main()" in $1 to "xxx_main()" and save to $2
define RENAMEMAIN
$(ECHO_BEGIN)"Rename main() in $1 and save to $2"
$(Q) ${shell cat $1 | sed -e "s/fn[ ]\+main/fn $(addsuffix _main,$(PROGNAME_$@))/" > $2}
$(ECHO_END)
endef
$(RAOBJS): %.s$(SUFFIX)$(OBJEXT): %.s
$(if $(and $(CONFIG_BUILD_LOADABLE),$(AELFFLAGS)), \
$(call ELFASSEMBLE, $<, $@), $(call ASSEMBLE, $<, $@))
@ -235,9 +242,13 @@ $(MAINCOBJ): %.c$(SUFFIX)$(OBJEXT): %.c
$(if $(and $(CONFIG_BUILD_LOADABLE),$(CELFFLAGS)), \
$(call ELFCOMPILE, $<, $@), $(call COMPILE, $<, $@))
$(PROGLIST): $(MAINCOBJ) $(MAINCXXOBJ) $(MAINRUSTOBJ)
$(MAINZIGOBJ): %$(ZIGEXT)$(SUFFIX)$(OBJEXT): %$(ZIGEXT)
$(if $(and $(CONFIG_BUILD_LOADABLE),$(CELFFLAGS)), \
$(call ELFCOMPILEZIG, $<, $@), $(call COMPILEZIG, $<, $@))
$(PROGLIST): $(MAINCOBJ) $(MAINCXXOBJ) $(MAINRUSTOBJ) $(MAINZIGOBJ)
$(Q) mkdir -p $(BINDIR)
$(call ELFLD,$(PROGOBJ_$@),$(call CONVERT_PATH,$@))
$(call ELFLD, $(PROGOBJ_$@), $(call CONVERT_PATH,$@))
$(Q) chmod +x $@
ifneq ($(CONFIG_DEBUG_SYMBOLS),y)
$(Q) $(STRIP) $@
@ -265,8 +276,10 @@ $(MAINRUSTOBJ): %$(RUSTEXT)$(SUFFIX)$(OBJEXT): %$(RUSTEXT)
$(call ELFCOMPILERUST, $<, $@), $(call COMPILERUST, $<, $@))
$(MAINZIGOBJ): %$(ZIGEXT)$(SUFFIX)$(OBJEXT): %$(ZIGEXT)
$(Q) $(call RENAMEMAIN, $<, $(basename $<)_tmp.zig)
$(if $(and $(CONFIG_BUILD_LOADABLE),$(CELFFLAGS)), \
$(call ELFCOMPILEZIG, $<, $@), $(call COMPILEZIG, $<, $@))
$(call ELFCOMPILEZIG, $(basename $<)_tmp.zig, $@), $(call COMPILEZIG, $(basename $<)_tmp.zig, $@))
$(Q) rm -f $(basename $<)_tmp.zig
install::
@: