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da8a08fd58
This change introduces ape-no-modify-self.o to the amalgamated release binaries, which may be used as an alternative to ape.o to make it easier to use APE in cases where the self-modifying behavior isn't acceptable. Please note that this alternative copying behavior isn't necessarily better. It introduces a whole bunch of questions of its own, which are documented in the ape.S source comment and should be considered by both the program author as well as the end-user of programs linked this way. For example, build environments that use read-only file systems and would prefer to not have a launcher wrapper (like we use in our build) can use ape-no-modify-self.o instead of ape.o and then set the $TMPDIR environment variable to point to a sane read-write-exec location. Fixes #146 See #82
55 lines
1.5 KiB
Makefile
55 lines
1.5 KiB
Makefile
#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
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#───vi: set et ft=make ts=8 tw=8 fenc=utf-8 :vi───────────────────────┘
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#
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# OVERVIEW
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#
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# αcτµαlly pδrταblε εxεcµταblε
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#
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# DESCRIPTION
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#
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# This file defines the libraries, runtimes, and build rules needed to
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# create executables from your Linux workstation that'll run anywhere.
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# Loading this package will make certain systemic modifications to the
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# build like turning off the System V "Red Zone" optimization, because
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# αcτµαlly pδrταblε εxεcµταblεs need to be able to run in kernelspace.
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PKGS += APE
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APE = $(APE_DEPS) \
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$(APE_OBJS) \
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o/$(MODE)/ape/ape.lds
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APELINK = \
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$(COMPILE) \
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-ALINK.ape \
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$(LINK) \
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$(LINKARGS) \
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$(OUTPUT_OPTION)
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APE_FILES := $(wildcard ape/*.*)
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APE_HDRS = $(filter %.h,$(APE_FILES))
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APE_INCS = $(filter %.inc,$(APE_FILES))
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APE_SRCS = $(filter %.S,$(APE_FILES))
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APE_OBJS = $(APE_SRCS:%.S=o/$(MODE)/%.o)
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APE_CHECKS = $(APE_HDRS:%=o/%.ok)
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o/$(MODE)/ape/ape.lds: \
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ape/ape.lds \
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ape/macros.internal.h \
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libc/dce.h \
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libc/zip.h
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o/ape/idata.inc: \
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ape/idata.internal.h \
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ape/relocations.h
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$(APE_OBJS): $(BUILD_FILES) \
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ape/ape.mk
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o/$(MODE)/ape/ape-no-modify-self.o: ape/ape.S
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@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -DAPE_NO_MODIFY_SELF $<
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.PHONY: o/$(MODE)/ape
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o/$(MODE)/ape: $(APE) \
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$(APE_CHECKS) \
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o/$(MODE)/ape/ape-no-modify-self.o
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