Files
cosmopolitan/tool/build/lib/buildlib.mk
Justine Tunney 1ff9ab95ac Make C memory safe like Rust
This change enables Address Sanitizer systemically w/ `make MODE=dbg`.
Our version of Rust's `unsafe` keyword is named `noasan` which is used
for two functions that do aligned memory chunking, like `strcpy.c` and
we need to fix the tiny DEFLATE code, but that's it everything else is
fabulous you can have all the fischer price security blankets you need

Best of all is we're now able to use the ASAN data in Blinkenlights to
colorize the memory dumps. See the screenshot below of a test program:

  https://justine.lol/blinkenlights/asan.png

Which is operating on float arrays stored on the stack, with red areas
indicating poisoned memory, and the green areas indicate valid memory.
2021-02-01 03:58:46 -08:00

78 lines
2.4 KiB
Makefile

#-*-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 += TOOL_BUILD_LIB
TOOL_BUILD_LIB_ARTIFACTS += TOOL_BUILD_LIB_A
TOOL_BUILD_LIB = $(TOOL_BUILD_LIB_A_DEPS) $(TOOL_BUILD_LIB_A)
TOOL_BUILD_LIB_A = o/$(MODE)/tool/build/lib/buildlib.a
TOOL_BUILD_LIB_A_FILES := $(wildcard tool/build/lib/*)
TOOL_BUILD_LIB_A_HDRS = $(filter %.h,$(TOOL_BUILD_LIB_A_FILES))
TOOL_BUILD_LIB_A_SRCS_S = $(filter %.S,$(TOOL_BUILD_LIB_A_FILES))
TOOL_BUILD_LIB_A_SRCS_C = $(filter %.c,$(TOOL_BUILD_LIB_A_FILES))
TOOL_BUILD_LIB_A_CHECKS = \
$(TOOL_BUILD_LIB_A_HDRS:%=o/$(MODE)/%.ok) \
$(TOOL_BUILD_LIB_A).pkg
TOOL_BUILD_LIB_A_SRCS = \
$(TOOL_BUILD_LIB_A_SRCS_S) \
$(TOOL_BUILD_LIB_A_SRCS_C)
TOOL_BUILD_LIB_A_OBJS = \
$(TOOL_BUILD_LIB_A_SRCS_S:%.S=o/$(MODE)/%.o) \
$(TOOL_BUILD_LIB_A_SRCS_C:%.c=o/$(MODE)/%.o)
TOOL_BUILD_LIB_A_DIRECTDEPS = \
LIBC_ALG \
LIBC_BITS \
LIBC_CALLS \
LIBC_CALLS_HEFTY \
LIBC_ELF \
LIBC_FMT \
LIBC_INTRIN \
LIBC_LOG \
LIBC_MEM \
LIBC_NEXGEN32E \
LIBC_RAND \
LIBC_RUNTIME \
LIBC_SOCK \
LIBC_STDIO \
LIBC_STR \
LIBC_STUBS \
LIBC_SYSV \
LIBC_SYSV_CALLS \
LIBC_TIME \
LIBC_TINYMATH \
LIBC_UNICODE \
LIBC_X \
THIRD_PARTY_COMPILER_RT \
THIRD_PARTY_XED
TOOL_BUILD_LIB_A_DEPS := \
$(call uniq,$(foreach x,$(TOOL_BUILD_LIB_A_DIRECTDEPS),$($(x))))
$(TOOL_BUILD_LIB_A): \
tool/build/lib/ \
$(TOOL_BUILD_LIB_A).pkg \
$(TOOL_BUILD_LIB_A_OBJS)
$(TOOL_BUILD_LIB_A).pkg: \
$(TOOL_BUILD_LIB_A_OBJS) \
$(foreach x,$(TOOL_BUILD_LIB_A_DIRECTDEPS),$($(x)_A).pkg)
o/$(MODE)/tool/build/lib/ssefloat.o: \
TARGET_ARCH += \
-msse3
TOOL_BUILD_LIB_LIBS = $(foreach x,$(TOOL_BUILD_LIB_ARTIFACTS),$($(x)))
TOOL_BUILD_LIB_SRCS = $(foreach x,$(TOOL_BUILD_LIB_ARTIFACTS),$($(x)_SRCS))
TOOL_BUILD_LIB_HDRS = $(foreach x,$(TOOL_BUILD_LIB_ARTIFACTS),$($(x)_HDRS))
TOOL_BUILD_LIB_BINS = $(foreach x,$(TOOL_BUILD_LIB_ARTIFACTS),$($(x)_BINS))
TOOL_BUILD_LIB_CHECKS = $(foreach x,$(TOOL_BUILD_LIB_ARTIFACTS),$($(x)_CHECKS))
TOOL_BUILD_LIB_OBJS = $(foreach x,$(TOOL_BUILD_LIB_ARTIFACTS),$($(x)_OBJS))
TOOL_BUILD_LIB_TESTS = $(foreach x,$(TOOL_BUILD_LIB_ARTIFACTS),$($(x)_TESTS))
.PHONY: o/$(MODE)/tool/build/lib
o/$(MODE)/tool/build/lib: $(TOOL_BUILD_LIB_CHECKS)