Add helper binary `exec1'

* .gitignore: New files.
* Makefile.in (mostlyclean_dirs): Add libexec, if its Makefile
exists.
* autogen.sh (do_git): Autoreconf in exec as well.
* configure.ac: Configure libexec on Android.
* exec/Makefile.in:
* exec/README:
* exec/config-mips.m4.in:
* exec/config.guess:
* exec/config.h.in:
* exec/config.sub:
* exec/configure:
* exec/configure.ac:
* exec/deps.mk:
* exec/exec.c (MIN, struct exec_open_command)
(struct exec_map_command, struct exec_jump_command)
(write_open_command, write_load_command, process_interpreter_1)
(process_interpreter, process_program_header, insert_args)
(exec_0):
* exec/exec.h (_EXEC_H_, struct elf_header_32)
(struct program_header_32, struct dt_entry_32)
(struct elf_header_64, struct program_header_64)
(struct dt_entry_64, struct exec_tracee):
* exec/exec1.c (main):
* exec/install-sh (scriptversion):
* exec/loader-aarch64.s (_start):
* exec/loader-armeabi.s (_start):
* exec/loader-mips64el.s (__start):
* exec/loader-mipsel.s (__start):
* exec/loader-x86.s (_start):
* exec/loader-x86_64.s (_start):
* exec/mipsel-user.h (_MIPSEL_USER_H_):
* exec/mipsfpu.c (MIPS_ABI_FP_ANY, fpu_reqs, valid_abi_p)
(fp_mode_for_abi, cpu_supports_fr0_p, determine_fpu_mode):
* exec/mipsfpu.h (_MIPSFPU_H_, FP_FR0):
* exec/test.c (print_usage, main):
* exec/trace.c (MAX_TRACEES, aarch64_set_regs, read_memory)
(user_alloca, user_copy, remove_tracee, handle_clone)
(syscall_trap_p, handle_exec, process_system_call, tracing_execve)
(after_fork, find_tracee, exec_waitpid, exec_init): New files.
* java/Makefile.in (CROSS_EXEC_BINS): Add exec1 and
loader.
($(CROSS_EXEC_BINS) &): New target.

1 files changed, 8 insertions, 1 deletions

diff --git a/java/Makefile.in b/java/Makefile.in
index b5ab58fe576..4e137157b69 100644
--- a/java/Makefile.in
+++ b/java/Makefile.in
@@ -124,7 +124,8 @@ CROSS_LIBSRC_BINS := $(top_builddir)/cross/lib-src/ctags	\
                      $(top_builddir)/cross/lib-src/emacsclient  \
                      $(top_builddir)/cross/lib-src/etags
 CROSS_LIBSRC_BINS_MOVEMAIL := $(top_builddir)/cross/lib-src/movemail
-CROSS_BINS = $(CROSS_SRC_BINS) $(CROSS_LIBSRC_BINS)
+CROSS_EXEC_BINS := $(top_builddir)/exec/exec1 $(top_builddir)/exec/loader
+CROSS_BINS = $(CROSS_SRC_BINS) $(CROSS_LIBSRC_BINS) $(CROSS_EXEC_BINS)
 
 ifneq ($(emacs_use_mailutils),yes)
 CROSS_LIBSRC_BINS := $(CROSS_LIBSRC_BINS) $(CROSS_LIBSRC_BINS_MOVEMAIL)
@@ -159,6 +160,12 @@ $(CROSS_LIBSRC_BINS) &: $(CROSS_ARCHIVES)
 $(CROSS_ARCHIVES):
         $(MAKE) -C $(top_builddir)/cross lib/libgnu.a
 
+# These two binaries are helpers used to execute binaries on Android
+# 10 and later.
+
+$(CROSS_EXEC_BINS) &:
+        $(MAKE) -C $(top_builddir)/exec $(notdir $(CROSS_EXEC_BINS))
+
 # This is needed to generate the ``.directory-tree'' file used by the
 # Android emulations of readdir and faccessat.