mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-03-03 15:38:22 +00:00
40eb3b9d5d
This change (1) upgrades to OpenBSD's newer kernel ABIs, and (2)
modifies APE to have a read-only data segment. Doing this required
creating APE Loader v1.1, which is backwards and forwards compatible
with the previous version.
If you've run the following commands in the past to install your APE
Loader systemwide, then you need to run them again. Ad-hoc installations
shouldn't be impacted. It's also recommended that APE binaries be remade
after upgrading, since they embed old versions of the APE Loader.
ape/apeuninstall.sh
ape/apeinstall.sh
This change does more than just fix OpenBSD. The new loader is smarter
and more reliable. We're now able create much tinier ELF and Mach-O data
structures than we could before. Both APE Loader and execvpe() will now
normalize ambiguous argv[0] resolution the same way as the UNIX shell.
Badness with TLS linkage has been solved.
Fixes #826
252 lines
6.3 KiB
Makefile
252 lines
6.3 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_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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ifeq ($(ARCH), aarch64)
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APE = o/$(MODE)/ape/aarch64.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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$(COMPILE) \
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-AFIXUP.ape \
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-wT$@ \
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$(FIXUPOBJ) \
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$@
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APE_SRCS = ape/ape.S
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APE_OBJS = o/$(MODE)/ape/ape.o
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APE_NO_MODIFY_SELF = $(APE)
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APE_COPY_SELF = $(APE)
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.PHONY: o/$(MODE)/ape
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o/$(MODE)/ape: $(APE)
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o/$(MODE)/ape/aarch64.lds: \
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ape/aarch64.lds \
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libc/zip.internal.h \
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libc/intrin/bits.h \
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libc/thread/tls.h \
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libc/calls/struct/timespec.h \
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libc/macros.internal.h \
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libc/str/str.h
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else
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APE = o/$(MODE)/ape/ape.o \
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o/$(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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$(COMPILE) \
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-AFIXUP.ape \
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-wT$@ \
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$(FIXUPOBJ) \
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$@
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APE_NO_MODIFY_SELF = \
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o/$(MODE)/ape/ape.lds \
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o/$(MODE)/ape/ape-no-modify-self.o
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APE_COPY_SELF = \
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o/$(MODE)/ape/ape.lds \
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o/$(MODE)/ape/ape-copy-self.o
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APE_LOADER_FLAGS = \
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-DNDEBUG \
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-iquote. \
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-Wall \
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-Wextra \
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-fpie \
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-Os \
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-ffreestanding \
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-mgeneral-regs-only \
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-fno-ident \
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-fno-gnu-unique \
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-c \
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$(OUTPUT_OPTION) \
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$<
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APE_SRCS_C = ape/loader.c
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APE_SRCS_S = $(filter %.S,$(APE_FILES))
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APE_SRCS = $(APE_SRCS_C) $(APE_SRCS_S)
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APE_OBJS = $(APE_SRCS_S:%.S=o/$(MODE)/%.o)
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APE_CHECKS = $(APE_HDRS:%=o/%.ok)
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o/$(MODE)/ape/public/ape.lds: CPPFLAGS += -UCOSMO
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o/$(MODE)/ape/public/ape.lds: \
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ape/public/ape.lds \
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ape/ape.lds \
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ape/ape.internal.h \
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ape/macros.internal.h \
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ape/relocations.h \
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libc/intrin/bits.h \
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libc/thread/tls.h \
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libc/calls/struct/timespec.h \
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libc/thread/thread.h \
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libc/dce.h \
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libc/elf/def.h \
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libc/elf/pf2prot.internal.h \
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libc/macros.internal.h \
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libc/nt/pedef.internal.h \
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libc/str/str.h \
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libc/zip.internal.h
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o/ape/idata.inc: \
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ape/idata.internal.h \
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ape/relocations.h
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o/$(MODE)/ape/ape-no-modify-self.o: \
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ape/ape.S \
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ape/macros.internal.h \
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ape/notice.inc \
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ape/relocations.h \
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ape/ape.internal.h \
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libc/dce.h \
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libc/elf/def.h \
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libc/intrin/asancodes.h \
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libc/macho.internal.h \
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libc/macros.internal.h \
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libc/nexgen32e/uart.internal.h \
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libc/calls/metalfile.internal.h \
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libc/nexgen32e/vidya.internal.h \
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libc/nt/pedef.internal.h \
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libc/runtime/e820.internal.h \
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libc/runtime/mman.internal.h \
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libc/runtime/pc.internal.h \
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libc/sysv/consts/prot.h \
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ape/blink-linux-aarch64.gz \
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ape/blink-xnu-aarch64.gz \
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o/$(MODE)/ape/ape.elf
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@$(COMPILE) \
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-AOBJECTIFY.S \
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$(OBJECTIFY.S) \
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$(OUTPUT_OPTION) \
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-DAPE_NO_MODIFY_SELF \
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-DAPE_LOADER='"o/$(MODE)/ape/ape.elf"' $<
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o/$(MODE)/ape/ape-copy-self.o: \
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ape/ape.S \
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ape/macros.internal.h \
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ape/notice.inc \
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ape/relocations.h \
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ape/ape.internal.h \
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libc/dce.h \
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libc/elf/def.h \
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libc/intrin/asancodes.h \
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libc/macho.internal.h \
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libc/macros.internal.h \
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libc/nexgen32e/uart.internal.h \
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libc/calls/metalfile.internal.h \
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libc/nexgen32e/vidya.internal.h \
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libc/nt/pedef.internal.h \
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libc/runtime/e820.internal.h \
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libc/runtime/mman.internal.h \
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libc/runtime/pc.internal.h \
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libc/sysv/consts/prot.h \
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ape/blink-linux-aarch64.gz \
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ape/blink-xnu-aarch64.gz
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@$(COMPILE) \
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-AOBJECTIFY.S \
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$(OBJECTIFY.S) \
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$(OUTPUT_OPTION) \
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-DAPE_NO_MODIFY_SELF $<
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o/$(MODE)/ape/loader.o: ape/loader.c
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@$(COMPILE) -AOBJECTIFY.c $(CC) -DSUPPORT_VECTOR=0b01111001 -g $(APE_LOADER_FLAGS)
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o/$(MODE)/ape/loader-gcc.asm: ape/loader.c
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@$(COMPILE) -AOBJECTIFY.c $(CC) -DSUPPORT_VECTOR=0b01111001 -S -g0 $(APE_LOADER_FLAGS)
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o/$(MODE)/ape/loader-clang.asm: ape/loader.c
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@$(COMPILE) -AOBJECTIFY.c $(CLANG) -DSUPPORT_VECTOR=0b01111001 -S -g0 $(APE_LOADER_FLAGS)
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o/$(MODE)/ape/loader-xnu.o: ape/loader.c
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@$(COMPILE) -AOBJECTIFY.c $(CC) -DSUPPORT_VECTOR=0b00001000 -g $(APE_LOADER_FLAGS)
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o/$(MODE)/ape/loader-xnu-gcc.asm: ape/loader.c
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@$(COMPILE) -AOBJECTIFY.c $(CC) -DSUPPORT_VECTOR=0b00001000 -S -g0 $(APE_LOADER_FLAGS)
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o/$(MODE)/ape/loader-xnu-clang.asm: ape/loader.c
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@$(COMPILE) -AOBJECTIFY.c $(CLANG) -DSUPPORT_VECTOR=0b00001000 -S -g0 $(APE_LOADER_FLAGS)
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o/$(MODE)/ape/ape.elf: o/$(MODE)/ape/ape.elf.dbg
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o/$(MODE)/ape/ape.macho: o/$(MODE)/ape/ape.macho.dbg
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o/$(MODE)/ape/ape.elf.dbg: private \
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LDFLAGS += \
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-z common-page-size=0x10 \
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-z max-page-size=0x10
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o/$(MODE)/ape/ape.elf.dbg: \
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o/$(MODE)/ape/loader.o \
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o/$(MODE)/ape/loader-elf.o \
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ape/loader.lds
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@$(ELFLINK)
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o/$(MODE)/ape/ape.macho.dbg: private \
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LDFLAGS += \
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-z common-page-size=0x10 \
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-z max-page-size=0x10
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o/$(MODE)/ape/ape.macho.dbg: \
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o/$(MODE)/ape/loader-xnu.o \
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o/$(MODE)/ape/loader-macho.o \
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ape/loader.lds
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@$(ELFLINK)
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.PHONY: o/$(MODE)/ape
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o/$(MODE)/ape: $(APE_CHECKS) \
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o/$(MODE)/ape/ape.o \
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o/$(MODE)/ape/ape.lds \
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o/$(MODE)/ape/public/ape.lds \
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o/$(MODE)/ape/ape.elf \
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o/$(MODE)/ape/ape.macho \
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o/$(MODE)/ape/ape-copy-self.o \
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o/$(MODE)/ape/ape-no-modify-self.o
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endif
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# these assembly files are safe to build on aarch64
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o/$(MODE)/ape/ape.o: ape/ape.S
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@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
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o/$(MODE)/ape/ape.o: \
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ape/blink-linux-aarch64.gz \
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ape/blink-xnu-aarch64.gz
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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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ape/relocations.h \
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ape/ape.internal.h \
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libc/intrin/bits.h \
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libc/thread/tls.h \
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libc/calls/struct/timespec.h \
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libc/thread/thread.h \
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libc/dce.h \
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libc/elf/def.h \
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libc/elf/pf2prot.internal.h \
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libc/macros.internal.h \
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libc/nt/pedef.internal.h \
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libc/str/str.h \
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libc/zip.internal.h
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