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cosmopolitan/build/definitions.mk
Justine Tunney 398f0c16fb Add SNI support to redbean and improve SSL perf 
This change makes SSL virtual hosting possible. You can now load
multiple certificates for multiple domains and redbean will just
figure out which one to use, even if you only have 1 ip address.
You can also use a jumbo certificate that lists all your domains
in the the subject alternative names.

This change also makes performance improvements to MbedTLS. Here
are some benchmarks vs. cc1920749e

                                   BEFORE    AFTER   (microsecs)
suite_ssl.com                     2512881   191738 13.11x faster
suite_pkparse.com                   36291     3295 11.01x faster
suite_x509parse.com                854669   120293  7.10x faster
suite_pkwrite.com                    6549     1265  5.18x faster
suite_ecdsa.com                     53347    18778  2.84x faster
suite_pk.com                        49051    18717  2.62x faster
suite_ecdh.com                      19535     9502  2.06x faster
suite_shax.com                      15848     7965  1.99x faster
suite_rsa.com                      353257   184828  1.91x faster
suite_x509write.com                162646    85733  1.90x faster
suite_ecp.com                       20503    11050  1.86x faster
suite_hmac_drbg.no_reseed.com       19528    11417  1.71x faster
suite_hmac_drbg.nopr.com            12460     8010  1.56x faster
suite_mpi.com                      687124   442661  1.55x faster
suite_hmac_drbg.pr.com              11890     7752  1.53x faster

There aren't any special tricks to the performance imporvements.
It's mostly due to code cleanup, assembly and intel instructions
like mulx, adox, and adcx.
2021-07-23 13:56:13 -07:00

372 lines
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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───────────────────────┘
#
# SYNOPSIS
#
# Cosmopolitan Core Build Definitions
#
# DESCRIPTION
#
# Nearly all compiler flag tuning is done within this one file. Flags
# may be customized with environment variables. We also use this file
# to compute expensive values once per build.
#
# When tuning the variables below, please note they're interpreted in
# the strictest sense. For example, we don't pass CFLAGS to gcc if we
# know it's compiling a .S file. This enables our `make V=0` logging
# to be succinct and informative at the cost of being less forgiving.
#
# Further note that link order is equally unforgiving in repositories
# of this scale. We approach that by over-specifying dependencies, in
# packages that're broken down usually on a per-directory basis. This
# is aided by the checkdeps and functional programming tools which in
# most cases should be able to deduce correct ordering automatically.
#
# Concerning our approach to flag tuning, most of it is non-essential
# and largely serves to turn features off. Particularly features that
# would otherwise lock us in to a particular platform or legal terms.
# Other flags will usually be the ones that provide us marginal gains
# in terms of performance and code size, but the world won't end when
# they aren't used. Flags that play a critical role in source working
# correctly will usually be specified on a object-by-object basis, in
# their respective packages.
#
# VARIABLES
#
# CCFLAGS gcc frontend flags (.i, .c, .cc, .f, .S, .lds, etc.)
# CPPFLAGS preprocessor flags (.h, .c, .cc, .S, .inc, .lds, etc.)
# CFLAGS c flags (.c only)
# CXXFLAGS c++ flags (.cc only)
# COPTS c/c++ flags (.c, .cc)
# LDFLAGS linker flags (don't use -Wl, frontend prefix)
# ASFLAGS assembler flags (don't use -Wa, frontend prefix)
# TARGET_ARCH microarchitecture flags (e.g. -march=native)
V ?= 1
LC_ALL = C
SOURCE_DATE_EPOCH = 0
TAGS ?= /usr/bin/ctags # emacs source builds or something breaks it
ARFLAGS = rcsD
ZFLAGS ?=
XARGS ?= xargs -P4 -rs8000
DOT ?= dot
GZ ?= gzip
CLANG = clang
FC = gfortran #/opt/cross9f/bin/x86_64-linux-musl-gfortran
# see build/compile, etc. which run third_party/gcc/unbundle.sh
AR = build/bootstrap/ar.com
PKG = build/bootstrap/package.com
MKDEPS = build/bootstrap/mkdeps.com
ZIPOBJ = build/bootstrap/zipobj.com
AS = o/third_party/gcc/bin/x86_64-linux-musl-as
CC = o/third_party/gcc/bin/x86_64-linux-musl-gcc
CXX = o/third_party/gcc/bin/x86_64-linux-musl-g++
CXXFILT = o/third_party/gcc/bin/x86_64-linux-musl-c++filt
LD = o/third_party/gcc/bin/x86_64-linux-musl-ld.bfd
NM = o/third_party/gcc/bin/x86_64-linux-musl-nm
GCC = o/third_party/gcc/bin/x86_64-linux-musl-gcc
STRIP = o/third_party/gcc/bin/x86_64-linux-musl-strip
OBJCOPY = o/third_party/gcc/bin/x86_64-linux-musl-objcopy
OBJDUMP = o/third_party/gcc/bin/x86_64-linux-musl-objdump
ADDR2LINE = o/third_party/gcc/bin/x86_64-linux-musl-addr2line
COMMA := ,
PWD := $(shell pwd)
IMAGE_BASE_VIRTUAL ?= 0x400000
HELLO := $(shell build/hello)
TMPDIR := $(shell build/findtmp)
COMPILE := $(shell build/getcompile) -V$(shell build/getccversion $(CC))
export ADDR2LINE
export LC_ALL
export MODE
export SOURCE_DATE_EPOCH
export TMPDIR
export V
FTRACE = \
-pg
SANITIZER = \
-fsanitize=address
NO_MAGIC = \
-mno-fentry \
-fno-stack-protector \
-fno-sanitize=all \
-fwrapv
OLD_CODE = \
-fno-strict-aliasing \
-fno-strict-overflow
TRADITIONAL = \
-Wno-implicit-int \
-Wno-return-type \
-Wno-pointer-sign
DEFAULT_CCFLAGS = \
-Wall \
-Werror \
-fdebug-prefix-map="$(PWD)"= \
-frecord-gcc-switches
DEFAULT_OFLAGS = \
-g \
-gdescribe-dies
DEFAULT_COPTS = \
-mno-red-zone \
-fno-math-errno \
-fno-trapping-math \
-fno-fp-int-builtin-inexact \
-fno-ident \
-fno-common \
-fno-gnu-unique \
-fstrict-aliasing \
-fstrict-overflow \
-fno-omit-frame-pointer \
-fno-semantic-interposition \
-mno-omit-leaf-frame-pointer
MATHEMATICAL = \
-O3 \
-fwrapv
DEFAULT_CPPFLAGS = \
-DCOSMO \
-DMODE='"$(MODE)"' \
-DIMAGE_BASE_VIRTUAL=$(IMAGE_BASE_VIRTUAL) \
-nostdinc \
-iquote.
DEFAULT_CFLAGS = \
-std=gnu2x
DEFAULT_CXXFLAGS = \
-std=gnu++11 \
-fno-rtti \
-fno-exceptions \
-fuse-cxa-atexit \
-fno-threadsafe-statics \
-Wno-int-in-bool-context \
-Wno-narrowing
DEFAULT_ASFLAGS = \
-W \
-I. \
--noexecstack \
--nocompress-debug-sections
DEFAULT_LDFLAGS = \
-static \
-nostdlib \
-m elf_x86_64 \
--gc-sections \
--build-id=none \
--no-dynamic-linker \
-z max-page-size=0x1000
ZIPOBJ_FLAGS = \
-b$(IMAGE_BASE_VIRTUAL)
ASONLYFLAGS = \
-c \
-g \
--debug-prefix-map="$(PWD)"=
DEFAULT_LDLIBS =
MCA = llvm-mca-10 \
-mtriple=x86_64-pc-linux-gnu \
-instruction-info \
-iterations=3 \
-all-stats \
-all-views \
-timeline
cc.flags = \
$(DEFAULT_CCFLAGS) \
$(CONFIG_CCFLAGS) \
$(CCFLAGS) \
$(OVERRIDE_CCFLAGS)
o.flags = \
$(DEFAULT_OFLAGS) \
$(CONFIG_OFLAGS) \
$(OFLAGS) \
$(OVERRIDE_OFLAGS)
cpp.flags = \
$(DEFAULT_CPPFLAGS) \
$(CONFIG_CPPFLAGS) \
$(CPPFLAGS) \
$(OVERRIDE_CPPFLAGS) \
-include libc/integral/normalize.inc
copt.flags = \
$(TARGET_ARCH) \
$(DEFAULT_COPTS) \
$(CONFIG_COPTS) \
$(COPTS) \
$(OVERRIDE_COPTS)
f.flags = \
$(DEFAULT_FFLAGS) \
$(CONFIG_FFLAGS) \
$(FFLAGS) \
$(OVERRIDE_FFLAGS)
c.flags = \
$(DEFAULT_CFLAGS) \
$(CONFIG_CFLAGS) \
$(CFLAGS) \
$(OVERRIDE_CFLAGS)
cxx.flags = \
$(DEFAULT_CXXFLAGS) \
$(CONFIG_CXXFLAGS) \
$(CXXFLAGS) \
$(OVERRIDE_CXXFLAGS)
s.flags = \
$(DEFAULT_ASFLAGS) \
$(CONFIG_ASFLAGS) \
$(ASFLAGS) \
$(OVERRIDE_ASFLAGS)
S.flags = $(addprefix -Wa$(COMMA),$(s.flags))
LD.libs = \
$(LDLIBS) \
$(LOADLIBES) \
$(DEFAULT_LDLIBS) \
$(CONFIG_LDLIBS) \
$(LDLIBS) \
$(DEFAULT_LIBS) \
$(CONFIG_LIBS) \
$(LIBS)
COMPILE.c.flags = $(cc.flags) $(cpp.flags) $(copt.flags) $(c.flags)
COMPILE.cxx.flags = $(cc.flags) $(cpp.flags) $(copt.flags) $(cxx.flags)
COMPILE.f.flags = $(cc.flags) $(copt.flags) $(f.flags)
COMPILE.F.flags = $(cc.flags) $(cpp.flags) $(copt.flags) $(f.flags)
COMPILE.i.flags = $(cc.flags) $(copt.flags) $(c.flags)
COMPILE.ii.flags = $(cc.flags) $(copt.flags) $(cxx.flags)
LINK.flags = $(DEFAULT_LDFLAGS) $(CONFIG_LDFLAGS) $(LDFLAGS)
OBJECTIFY.c.flags = $(OBJECTIFY.S.flags) $(copt.flags) $(c.flags)
OBJECTIFY.cxx.flags = $(OBJECTIFY.S.flags) $(copt.flags) $(cxx.flags)
OBJECTIFY.s.flags = $(ASONLYFLAGS) $(s.flags)
OBJECTIFY.S.flags = $(copt.flags) $(cc.flags) $(o.flags) $(cpp.flags) $(S.flags)
OBJECTIFY.f.flags = $(copt.flags) $(cc.flags) $(o.flags) $(copt.flags) $(S.flags) $(f.flags)
OBJECTIFY.F.flags = $(OBJECTIFY.f.flags) $(cpp.flags)
PREPROCESS.flags = -E $(copt.flags) $(cc.flags) $(cpp.flags)
PREPROCESS.lds.flags = -D__LINKER__ $(filter-out -g%,$(PREPROCESS.flags)) -P -xc
COMPILE.c = $(CC) -S $(COMPILE.c.flags)
COMPILE.cxx = $(CXX) -S $(COMPILE.cxx.flags)
COMPILE.i = $(CC) -S $(COMPILE.i.flags)
COMPILE.f = $(FC) -S $(COMPILE.f.flags)
COMPILE.F = $(FC) -S $(COMPILE.F.flags)
OBJECTIFY.s = $(AS) $(OBJECTIFY.s.flags)
OBJECTIFY.S = $(CC) $(OBJECTIFY.S.flags) -c
OBJECTIFY.f = $(FC) $(OBJECTIFY.f.flags) -c
OBJECTIFY.F = $(FC) $(OBJECTIFY.F.flags) -c
OBJECTIFY.c = $(CC) $(OBJECTIFY.c.flags) -c
OBJECTIFY.cxx = $(CXX) $(OBJECTIFY.cxx.flags) -c
PREPROCESS = $(CC) $(PREPROCESS.flags)
PREPROCESS.lds = $(CC) $(PREPROCESS.lds.flags)
LINK = $(LD) $(LINK.flags)
ELF = o/libc/elf/elf.lds
ELFLINK = $(COMPILE) -ALINK.elf $(LINK) $(LINKARGS) $(OUTPUT_OPTION)
LINKARGS = $(patsubst %.lds,-T %.lds,$(call uniqr,$(LD.libs) $(filter-out %.pkg,$^)))
LOLSAN = build/lolsan -b $(IMAGE_BASE_VIRTUAL)
# The compiler won't generate %xmm code for sources extensioned .greg.c,
# which is needed for C modules wanting to run at the executive level or
# during privileged runtime states, e.g. code morphing.
OBJECTIFY.greg.c = \
$(CC) \
$(filter-out -pg,$(OBJECTIFY.c.flags)) \
-D__MGENERAL_REGS_ONLY__ \
-mgeneral-regs-only \
-fno-stack-protector \
-fno-instrument-functions \
-fno-optimize-sibling-calls \
-fno-sanitize=all \
-c
OBJECTIFY.ansi.c = $(CC) $(OBJECTIFY.c.flags) -ansi -Wextra -Werror -pedantic-errors -c
OBJECTIFY.c99.c = $(CC) $(OBJECTIFY.c.flags) -std=c99 -Wextra -Werror -pedantic-errors -c
OBJECTIFY.c11.c = $(CC) $(OBJECTIFY.c.flags) -std=c11 -Wextra -Werror -pedantic-errors -c
OBJECTIFY.c2x.c = $(CC) $(OBJECTIFY.c.flags) -std=c2x -Wextra -Werror -pedantic-errors -c
OBJECTIFY.real.c = \
$(GCC) \
-x-no-pg \
$(OBJECTIFY.c.flags) \
-wrapper build/realify.sh \
-D__REAL_MODE__ \
-ffixed-r8 \
-ffixed-r9 \
-ffixed-r10 \
-ffixed-r11 \
-ffixed-r12 \
-ffixed-r13 \
-ffixed-r14 \
-ffixed-r15 \
-mno-red-zone \
-fcall-used-rbx \
-fno-jump-tables \
-fno-shrink-wrap \
-fno-schedule-insns2 \
-flive-range-shrinkage \
-fno-omit-frame-pointer \
-momit-leaf-frame-pointer \
-mpreferred-stack-boundary=3 \
-fno-delete-null-pointer-checks \
-c
OBJECTIFY.ncabi.c = \
$(GCC) \
$(OBJECTIFY.c.flags) \
-mno-sse \
-mfpmath=387 \
-mno-fentry \
-fno-stack-protector \
-fno-instrument-functions \
-fno-optimize-sibling-calls \
-fno-sanitize=all \
-fcall-saved-rcx \
-fcall-saved-rdx \
-fcall-saved-rdi \
-fcall-saved-rsi \
-fcall-saved-r8 \
-fcall-saved-r9 \
-fcall-saved-r10 \
-fcall-saved-r11 \
-c \
-xc
OBJECTIFY.initabi.c = \
$(GCC) \
$(OBJECTIFY.c.flags) \
-mno-fentry \
-fno-stack-protector \
-fno-instrument-functions \
-fno-optimize-sibling-calls \
-fno-sanitize=all \
-fcall-saved-rdi \
-fcall-saved-rsi \
-c
TAGSFLAGS = \
-e \
-a \
--if0=no \
--langmap=c:.c.h.i \
--line-directives=yes \
--exclude=libc/nt/struct/imagefileheader.internal.h \
--exclude=libc/nt/struct/filesegmentelement.h
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