cosmopolitan/libc/calls/BUILD.mk
2024-11-22 14:56:53 -08:00

234 lines
7 KiB
Makefile

#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
#── vi: set noet ft=make ts=8 sw=8 fenc=utf-8 :vi ────────────────────┘
#
# SYNOPSIS
#
# System Call Compatibility Layer
#
# DESCRIPTION
#
# This package exports a familiar system call interface that works
# across platforms.
PKGS += LIBC_CALLS
LIBC_CALLS_ARTIFACTS += LIBC_CALLS_A
LIBC_CALLS = $(LIBC_CALLS_A_DEPS) $(LIBC_CALLS_A)
LIBC_CALLS_A = o/$(MODE)/libc/calls/syscalls.a
LIBC_CALLS_A_FILES := \
$(wildcard libc/calls/typedef/*) \
$(wildcard libc/calls/struct/*) \
$(wildcard libc/calls/*)
LIBC_CALLS_A_HDRS = $(filter %.h,$(LIBC_CALLS_A_FILES))
LIBC_CALLS_A_INCS = $(filter %.inc,$(LIBC_CALLS_A_FILES))
LIBC_CALLS_A_SRCS_S = $(filter %.S,$(LIBC_CALLS_A_FILES))
LIBC_CALLS_A_SRCS_C = $(filter %.c,$(LIBC_CALLS_A_FILES))
LIBC_CALLS_A_SRCS = \
$(LIBC_CALLS_A_SRCS_S) \
$(LIBC_CALLS_A_SRCS_C)
LIBC_CALLS_A_OBJS = \
$(LIBC_CALLS_A_SRCS_S:%.S=o/$(MODE)/%.o) \
$(LIBC_CALLS_A_SRCS_C:%.c=o/$(MODE)/%.o)
LIBC_CALLS_A_CHECKS = \
$(LIBC_CALLS_A).pkg \
$(LIBC_CALLS_A_HDRS:%=o/$(MODE)/%.ok)
LIBC_CALLS_A_DIRECTDEPS = \
LIBC_FMT \
LIBC_INTRIN \
LIBC_NEXGEN32E \
LIBC_NT_ADVAPI32 \
LIBC_NT_BCRYPTPRIMITIVES \
LIBC_NT_IPHLPAPI \
LIBC_NT_KERNEL32 \
LIBC_NT_NTDLL \
LIBC_NT_PDH \
LIBC_NT_POWRPROF \
LIBC_NT_PSAPI \
LIBC_NT_REALTIME \
LIBC_NT_SYNCHRONIZATION \
LIBC_NT_WS2_32 \
LIBC_STR \
LIBC_SYSV \
LIBC_SYSV_CALLS \
THIRD_PARTY_COMPILER_RT \
LIBC_CALLS_A_DEPS := \
$(call uniq,$(foreach x,$(LIBC_CALLS_A_DIRECTDEPS),$($(x))))
$(LIBC_CALLS_A): \
libc/calls/ \
$(LIBC_CALLS_A).pkg \
$(LIBC_CALLS_A_OBJS)
$(LIBC_CALLS_A).pkg: \
$(LIBC_CALLS_A_OBJS) \
$(foreach x,$(LIBC_CALLS_A_DIRECTDEPS),$($(x)_A).pkg)
$(LIBC_CALLS_A_OBJS): private \
COPTS += \
-fno-sanitize=all \
-Wframe-larger-than=4096 \
-Walloca-larger-than=4096
# we always want -O3 because:
# it makes the code size smaller too
o/$(MODE)/libc/calls/termios2host.o \
o/$(MODE)/libc/calls/siginfo2cosmo.o \
o/$(MODE)/libc/calls/sigenter-freebsd.o \
o/$(MODE)/libc/calls/sigenter-netbsd.o \
o/$(MODE)/libc/calls/sigenter-openbsd.o \
o/$(MODE)/libc/calls/sigenter-xnu.o \
o/$(MODE)/libc/calls/ntcontext2linux.o: private \
COPTS += \
-O3 \
-ffreestanding
ifeq ($(ARCH), x86_64)
# we need -mstringop-strategy=loop because:
# privileged code might generate memcpy call
o/$(MODE)/libc/calls/termios2host.o \
o/$(MODE)/libc/calls/siginfo2cosmo.o \
o/$(MODE)/libc/calls/sigenter-freebsd.o \
o/$(MODE)/libc/calls/sigenter-netbsd.o \
o/$(MODE)/libc/calls/sigenter-openbsd.o \
o/$(MODE)/libc/calls/sigenter-xnu.o \
o/$(MODE)/libc/calls/ntcontext2linux.o: private \
COPTS += \
-mstringop-strategy=loop
endif
# we always want -Os because:
# va_arg codegen is very bloated in default mode
o//libc/calls/open.o \
o//libc/calls/openat.o \
o//libc/calls/prctl.o: \
CFLAGS += \
-Os
# we always want -Os because:
# it's early runtime mandatory and quite huge without it
o//libc/calls/getcwd.greg.o \
o//libc/calls/statfs2cosmo.o: private \
CFLAGS += \
-Os
# we always want -O2 because:
# division is expensive if not optimized
o/$(MODE)/libc/calls/clock.o \
o/$(MODE)/libc/calls/gettimeofday.o \
o/$(MODE)/libc/calls/clock_gettime-mono.o \
o/$(MODE)/libc/calls/timespec_tomillis.o \
o/$(MODE)/libc/calls/timespec_tomicros.o \
o/$(MODE)/libc/calls/timespec_totimeval.o \
o/$(MODE)/libc/calls/timespec_fromnanos.o \
o/$(MODE)/libc/calls/timespec_frommillis.o \
o/$(MODE)/libc/calls/timespec_frommicros.o \
o/$(MODE)/libc/calls/timeval_tomillis.o \
o/$(MODE)/libc/calls/timeval_frommillis.o \
o/$(MODE)/libc/calls/timeval_frommicros.o: private \
CFLAGS += \
-O2
ifeq ($(ARCH), aarch64)
o/$(MODE)/libc/calls/sigaction.o: private CFLAGS += -mcmodel=large
o/$(MODE)/libc/calls/getloadavg-nt.o: private CFLAGS += -ffreestanding
endif
# we want -Os because:
# it makes a big difference
# we need pic because:
# so it can be an LD_PRELOAD payload
o/$(MODE)/libc/calls/pledge-linux.o: private \
CFLAGS += \
-Os \
-fPIC \
-ffreestanding
# we want -Os because:
# it makes a big difference
# it gets called very rarely
o/$(MODE)/libc/calls/sigcrashsig.o: private \
CFLAGS += \
-Os
# avoid legacy sse decoding penalty on avx systems
o//libc/calls/cfmakeraw.o \
o//libc/calls/clock_gettime-xnu.o \
o//libc/calls/CPU_AND.o \
o//libc/calls/CPU_OR.o \
o//libc/calls/CPU_XOR.o \
o//libc/calls/dl_iterate_phdr.o \
o//libc/calls/dup-nt.o \
o//libc/calls/fcntl-nt.o \
o//libc/calls/flock-nt.o \
o//libc/calls/fstatfs-nt.o \
o//libc/calls/fstat-nt.o \
o//libc/calls/futimesat.o \
o//libc/calls/futimes.o \
o//libc/calls/getrlimit.o \
o//libc/calls/gettimeofday.o \
o//libc/calls/ioctl.o \
o//libc/calls/lutimes.o \
o//libc/calls/metaflock.o \
o//libc/calls/ntaccesscheck.o \
o//libc/calls/ntspawn.o \
o//libc/calls/open-nt.o \
o//libc/calls/pledge-linux.o \
o//libc/calls/ppoll.o \
o//libc/calls/preadv.o \
o//libc/calls/pselect.o \
o//libc/calls/pwritev.o \
o//libc/calls/read-nt.o \
o//libc/calls/readv.o \
o//libc/calls/readwrite-nt.o \
o//libc/calls/releasefd.o \
o//libc/calls/select.o \
o//libc/calls/sigaction.o \
o//libc/calls/sigenter-freebsd.o \
o//libc/calls/sigenter-netbsd.o \
o//libc/calls/sigenter-openbsd.o \
o//libc/calls/sigenter-xnu.o \
o//libc/calls/sigignore.o \
o//libc/calls/siginfo2cosmo.o \
o//libc/calls/signal.o \
o//libc/calls/sig.o \
o//libc/calls/sigtimedwait.o \
o//libc/calls/stat2cosmo.o \
o//libc/calls/statfs2cosmo.o \
o//libc/calls/statfs2statvfs.o \
o//libc/calls/tcgetattr-nt.o \
o//libc/calls/tcgetattr.o \
o//libc/calls/tcgetwinsize-nt.o \
o//libc/calls/tcsetattr-nt.o \
o//libc/calls/tcsetwinsize-nt.o \
o//libc/calls/termios2host.o \
o//libc/calls/timespec_sleep.o \
o//libc/calls/uname.o \
o//libc/calls/utimensat-old.o \
o//libc/calls/utimes.o \
o//libc/calls/winexec.o \
o//libc/calls/writev.o: private \
COPTS += \
-mgeneral-regs-only
# these assembly files are safe to build on aarch64
o/$(MODE)/libc/calls/stackjump.o: libc/calls/stackjump.S
@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
o/$(MODE)/libc/calls/uname.o: libc/integral/normalize.inc
LIBC_CALLS_LIBS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)))
LIBC_CALLS_SRCS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_SRCS))
LIBC_CALLS_HDRS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_HDRS))
LIBC_CALLS_INCS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_INCS))
LIBC_CALLS_BINS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_BINS))
LIBC_CALLS_CHECKS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_CHECKS))
LIBC_CALLS_OBJS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_OBJS))
LIBC_CALLS_TESTS = $(foreach x,$(LIBC_CALLS_ARTIFACTS),$($(x)_TESTS))
.PHONY: o/$(MODE)/libc/calls
o/$(MODE)/libc/calls: $(LIBC_CALLS_CHECKS)