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cosmopolitan/libc/intrin/intrin.mk
Justine Tunney 33d280c8ba
Improve Windows Console I/O 
- Blocking read operations on the Windows Console can now EINTR
- Blocking read operations on Windows pipes now EINTR more reliably
- setitimer() will no longer be inherited across fork() on Windows
- It's now possible to use ECHO when the console is in raw mode
- The ECHOCTL flag now works correctly on the Windows Console
- The ICRNL flag now works correctly on the Windows Console
- pread() and pwrite() will now raise ESPIPE on Windows
- Opening /dev/tty on Windows is improved (untested)
- Overlapped I/O is now implemented in a better way
2023-08-08 05:44:40 -07:00

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Makefile
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#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
#───vi: set et ft=make ts=8 tw=8 fenc=utf-8 :vi───────────────────────┘
PKGS += LIBC_INTRIN
LIBC_INTRIN_ARTIFACTS += LIBC_INTRIN_A
LIBC_INTRIN = $(LIBC_INTRIN_A_DEPS) $(LIBC_INTRIN_A)
LIBC_INTRIN_A = o/$(MODE)/libc/intrin/intrin.a
LIBC_INTRIN_A_FILES := $(wildcard libc/intrin/*)
LIBC_INTRIN_A_HDRS = $(filter %.h,$(LIBC_INTRIN_A_FILES))
LIBC_INTRIN_A_INCS = $(filter %.inc,$(LIBC_INTRIN_A_FILES))
LIBC_INTRIN_A_SRCS_S = $(filter %.S,$(LIBC_INTRIN_A_FILES))
LIBC_INTRIN_A_SRCS_C = $(filter %.c,$(LIBC_INTRIN_A_FILES))
LIBC_INTRIN_A_SRCS = $(LIBC_INTRIN_A_SRCS_S) $(LIBC_INTRIN_A_SRCS_C)
LIBC_INTRIN_A_CHECKS = $(LIBC_INTRIN_A).pkg
ifeq ($(ARCH), aarch64)
LIBC_INTRIN_A_SRCS_S += $(wildcard libc/intrin/aarch64/*.S)
LIBC_INTRIN_A_HDRS += libc/intrin/aarch64/asmdefs.internal.h
endif
LIBC_INTRIN_A_OBJS = \
$(LIBC_INTRIN_A_SRCS_S:%.S=o/$(MODE)/%.o) \
$(LIBC_INTRIN_A_SRCS_C:%.c=o/$(MODE)/%.o)
LIBC_INTRIN_A_CHECKS = \
$(LIBC_INTRIN_A).pkg \
$(LIBC_INTRIN_A_HDRS:%=o/$(MODE)/%.ok)
LIBC_INTRIN_A_DIRECTDEPS = \
LIBC_NEXGEN32E \
LIBC_NT_KERNEL32 \
LIBC_NT_WS2_32 \
LIBC_SYSV \
LIBC_SYSV_CALLS
LIBC_INTRIN_A_DEPS := \
$(call uniq,$(foreach x,$(LIBC_INTRIN_A_DIRECTDEPS),$($(x))))
$(LIBC_INTRIN_A): \
libc/intrin/ \
$(LIBC_INTRIN_A).pkg \
$(LIBC_INTRIN_A_OBJS)
$(LIBC_INTRIN_A).pkg: \
$(LIBC_INTRIN_A_OBJS) \
$(foreach x,$(LIBC_INTRIN_A_DIRECTDEPS),$($(x)_A).pkg)
# we can't use asan because:
# __strace_init() calls this before asan is initialized
o/$(MODE)/libc/intrin/strace_enabled.o: private \
COPTS += \
-fno-sanitize=address
# we can't use asan because:
# asan guard pages haven't been allocated yet
o/$(MODE)/libc/intrin/directmap.o \
o/$(MODE)/libc/intrin/directmap-nt.o: private \
COPTS += \
-ffreestanding \
-fno-sanitize=address
# we want small code size because:
# to keep .text.head under 4096 bytes
o/$(MODE)/libc/intrin/mman.greg.o: private \
COPTS += \
-Os
# we can't use asan and ubsan because:
# this is asan and ubsan
o/$(MODE)/libc/intrin/asan.o \
o/$(MODE)/libc/intrin/ubsan.o: private \
CFLAGS += \
-ffreestanding \
-fno-sanitize=all \
-fno-stack-protector
o/$(MODE)/libc/intrin/asan.o: private \
CFLAGS += \
-O2 \
-finline \
-finline-functions
o/$(MODE)/libc/intrin/asanthunk.o: private \
CFLAGS += \
-x-no-pg \
-ffreestanding \
-fno-sanitize=all \
-fno-stack-protector
# we can't use compiler magic because:
# kprintf() is mission critical to error reporting
o/$(MODE)/libc/intrin/getmagnumstr.greg.o \
o/$(MODE)/libc/intrin/strerrno.greg.o \
o/$(MODE)/libc/intrin/strerrdoc.greg.o \
o/$(MODE)/libc/intrin/strerror_wr.greg.o \
o/$(MODE)/libc/intrin/kprintf.greg.o: private \
CFLAGS += \
-fpie \
-fwrapv \
-x-no-pg \
-ffreestanding \
-fno-sanitize=all \
-fno-stack-protector
# TODO(jart): Do we really need these?
# synchronization primitives are intended to be magic free
o/$(MODE)/libc/intrin/futex_wait.o \
o/$(MODE)/libc/intrin/futex_wake.o \
o/$(MODE)/libc/intrin/gettid.greg.o \
o/$(MODE)/libc/intrin/_trylock_debug_4.o \
o/$(MODE)/libc/intrin/_spinlock_debug_4.o: private \
CFLAGS += \
-fwrapv \
-x-no-pg \
-ffreestanding \
-fno-sanitize=all \
-mgeneral-regs-only \
-fno-stack-protector
# we can't use asan because:
# global gone could be raised
o/$(MODE)/libc/intrin/exit.o \
o/$(MODE)/libc/intrin/restorewintty.o: private \
CFLAGS += \
-fno-sanitize=all
# we can't use -ftrapv because:
# this file implements it
o/$(MODE)/libc/intrin/ftrapv.o: private \
CFLAGS += \
-ffunction-sections \
-ffreestanding \
-fwrapv
# we can't use asan because:
# sys_mmap() calls these which sets up shadow memory
o/$(MODE)/libc/intrin/describeflags.o \
o/$(MODE)/libc/intrin/describeframe.o \
o/$(MODE)/libc/intrin/describemapflags.o \
o/$(MODE)/libc/intrin/describeprotflags.o: private \
CFLAGS += \
-fno-sanitize=address
o/$(MODE)/libc/intrin/exit1.greg.o \
o/$(MODE)/libc/intrin/wsarecv.o \
o/$(MODE)/libc/intrin/wsarecvfrom.o \
o/$(MODE)/libc/intrin/createfile.o \
o/$(MODE)/libc/intrin/reopenfile.o \
o/$(MODE)/libc/intrin/deletefile.o \
o/$(MODE)/libc/intrin/createpipe.o \
o/$(MODE)/libc/intrin/closehandle.o \
o/$(MODE)/libc/intrin/openprocess.o \
o/$(MODE)/libc/intrin/createthread.o \
o/$(MODE)/libc/intrin/findclose.o \
o/$(MODE)/libc/intrin/findnextfile.o \
o/$(MODE)/libc/intrin/createprocess.o \
o/$(MODE)/libc/intrin/findfirstfile.o \
o/$(MODE)/libc/intrin/removedirectory.o \
o/$(MODE)/libc/intrin/createsymboliclink.o \
o/$(MODE)/libc/intrin/createnamedpipe.o \
o/$(MODE)/libc/intrin/unmapviewoffile.o \
o/$(MODE)/libc/intrin/virtualprotect.o \
o/$(MODE)/libc/intrin/flushviewoffile.o \
o/$(MODE)/libc/intrin/createdirectory.o \
o/$(MODE)/libc/intrin/flushfilebuffers.o \
o/$(MODE)/libc/intrin/terminateprocess.o \
o/$(MODE)/libc/intrin/getfileattributes.o \
o/$(MODE)/libc/intrin/getexitcodeprocess.o \
o/$(MODE)/libc/intrin/waitforsingleobject.o \
o/$(MODE)/libc/intrin/setcurrentdirectory.o \
o/$(MODE)/libc/intrin/mapviewoffileex.o \
o/$(MODE)/libc/intrin/movefileex.o \
o/$(MODE)/libc/intrin/mapviewoffileexnuma.o \
o/$(MODE)/libc/intrin/createfilemapping.o \
o/$(MODE)/libc/intrin/createfilemappingnuma.o \
o/$(MODE)/libc/intrin/waitformultipleobjects.o \
o/$(MODE)/libc/intrin/wsagetoverlappedresult.o \
o/$(MODE)/libc/intrin/generateconsolectrlevent.o \
o/$(MODE)/libc/intrin/wsawaitformultipleevents.o: private\
CFLAGS += \
-Os \
-fwrapv \
-ffreestanding \
-fno-stack-protector \
-fno-sanitize=all
# privileged functions
o/$(MODE)/libc/intrin/dos2errno.o \
o/$(MODE)/libc/intrin/have_fsgsbase.o \
o/$(MODE)/libc/intrin/getmagnumstr.o \
o/$(MODE)/libc/intrin/formatint32.o \
o/$(MODE)/libc/intrin/strsignal_r.o \
o/$(MODE)/libc/intrin/strerror_wr.o: private \
CFLAGS += \
-ffreestanding \
-fno-sanitize=all
o//libc/intrin/memmove.o: private \
CFLAGS += \
-fno-toplevel-reorder
o//libc/intrin/bzero.o \
o//libc/intrin/memcmp.o \
o//libc/intrin/memset.o \
o//libc/intrin/memmove.o: private \
CFLAGS += \
-O2 -finline
o/$(MODE)/libc/intrin/bzero.o \
o/$(MODE)/libc/intrin/memcmp.o \
o/$(MODE)/libc/intrin/memmove.o: private \
CFLAGS += \
-fpie
# these assembly files are safe to build on aarch64
o/$(MODE)/libc/intrin/aarch64/%.o: libc/intrin/aarch64/%.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/fenv.o: libc/intrin/fenv.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/gcov.o: libc/intrin/gcov.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/futex.o: libc/intrin/futex.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/typeinfo.o: libc/intrin/typeinfo.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kclocknames.o: libc/intrin/kclocknames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kdos2errno.o: libc/intrin/kdos2errno.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kerrnodocs.o: libc/intrin/kerrnodocs.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kipoptnames.o: libc/intrin/kipoptnames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kerrnonames.o: libc/intrin/kerrnonames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kfcntlcmds.o: libc/intrin/kfcntlcmds.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/kopenflags.o: libc/intrin/kopenflags.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/krlimitnames.o: libc/intrin/krlimitnames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/ksignalnames.o: libc/intrin/ksignalnames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/ksockoptnames.o: libc/intrin/ksockoptnames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/ktcpoptnames.o: libc/intrin/ktcpoptnames.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/intrin/sched_yield.o: libc/intrin/sched_yield.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
LIBC_INTRIN_LIBS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)))
LIBC_INTRIN_HDRS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)_HDRS))
LIBC_INTRIN_INCS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)_INCS))
LIBC_INTRIN_SRCS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)_SRCS))
LIBC_INTRIN_CHECKS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)_CHECKS))
LIBC_INTRIN_OBJS = $(foreach x,$(LIBC_INTRIN_ARTIFACTS),$($(x)_OBJS))
$(LIBC_INTRIN_OBJS): $(BUILD_FILES) libc/intrin/intrin.mk
.PHONY: o/$(MODE)/libc/intrin
o/$(MODE)/libc/intrin: $(LIBC_INTRIN_CHECKS)
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