6894ced63b
This patch implements 'execve' in Genode's libc. The mechanism relies on the dynamic linker's ability to replace the loaded binary while keeping crucial libraries - in particular the libc - intact. The state outside the libc is wiped. For this reason, all libc internal state needed beyond the 'execve' call must be allocated on a heap separate from the application-owned malloc heap. E.g., libc-internal file-descriptor objects must not be allocated or refer to any memory object allocated from the malloc heap. Issue #3481
62 lines
1.6 KiB
Makefile
62 lines
1.6 KiB
Makefile
#
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# C Library including string, locale
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#
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LIBS = libc-string libc-locale libc-stdlib libc-stdio libc-gen libc-gdtoa \
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libc-inet libc-stdtime libc-regex libc-compat libc-setjmp libc-mem \
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libc-resolv libc-isc libc-nameser libc-net libc-rpc libc-tzcode \
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libc-libkern
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LIBS += base vfs
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#
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# Back end
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#
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SRC_CC = atexit.cc dummies.cc rlimit.cc sysctl.cc \
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issetugid.cc errno.cc gai_strerror.cc time.cc \
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malloc.cc progname.cc fd_alloc.cc file_operations.cc \
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plugin.cc plugin_registry.cc select.cc exit.cc environ.cc sleep.cc \
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pread_pwrite.cc readv_writev.cc poll.cc \
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vfs_plugin.cc dynamic_linker.cc signal.cc \
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socket_operations.cc task.cc socket_fs_plugin.cc syscall.cc \
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getpwent.cc getrandom.cc fork.cc execve.cc
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#
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# Pthreads
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#
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SRC_CC += semaphore.cc rwlock.cc \
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thread.cc thread_create.cc
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#
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# FreeBSD headers use the C99 restrict keyword
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#
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CXX_DEF += -Drestrict=__restrict
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#
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# Extra include path for internal dummies
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#
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CC_OPT_dummies += -I$(LIBC_DIR)/sys
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INC_DIR += $(REP_DIR)/src/lib/libc
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INC_DIR += $(REP_DIR)/src/lib/libc/include
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# needed for base/internal/unmanaged_singleton.h
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INC_DIR += $(BASE_DIR)/src/include
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INC_DIR += $(BASE_DIR)/sys
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#
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# Files from string library that are not included in libc-raw_string because
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# they depend on the locale library.
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#
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SRC_C += strcoll.c strxfrm.c wcscoll.c wcsxfrm.c
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include $(REP_DIR)/lib/mk/libc-common.inc
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vpath % $(REP_DIR)/src/lib/libc
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vpath % $(LIBC_DIR)/lib/libc/string
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#
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# Shared library, for libc we need symbol versioning
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#
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SHARED_LIB = yes
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LD_OPT += --version-script=$(LIBC_DIR)/lib/libc/Versions.def
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