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| author | David Herrmann <dh.herrmann@gmail.com> | 2013-03-15 16:10:45 +0100 |
|---|---|---|
| committer | David Herrmann <dh.herrmann@gmail.com> | 2013-11-03 12:18:08 +0100 |
| commit | 1893b8b90ca78e0bd823abb2484908afd038f485 (patch) | |
| tree | f5a4d6185f843d7b9e2711c8a0798ae5732528a2 | |
| parent | e0235ddd2b74faccb752c4d036bb2e72063e9a35 (diff) | |
build: mark binary data as read-only with objcopy
Check for objcopy in configure.ac and then mark binary data as read-only
by renaming .data to .rodata and setting the correct flags.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
| -rw-r--r-- | Makefile.am | 1 | ||||
| -rw-r--r-- | configure.ac | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am index 9cd8326..ee84429 100644 --- a/Makefile.am +++ b/Makefile.am @@ -131,6 +131,7 @@ CLEANFILES += src/*.bin.lo src/*.bin.o src/%.bin.lo: src/%.bin $(AM_V_GEN)$(LD) -r -o "src/$*.bin.o" -z noexecstack --format=binary "$<" + $(AM_V_at)$(OBJCOPY) --rename-section .data=.rodata,alloc,load,readonly,data,contents "src/$*.bin.o" $(AM_V_at)echo "# $@ - a libtool object file" >"$@" $(AM_V_at)echo "# Generated by $(shell $(LIBTOOL) --version | head -n 1)" >>"$@" $(AM_V_at)echo "#" >>"$@" diff --git a/configure.ac b/configure.ac index ac942b8..eb3020f 100644 --- a/configure.ac +++ b/configure.ac @@ -777,6 +777,14 @@ fi # gles2 helpers AM_CONDITIONAL([BUILD_HAVE_GLES2], [test "x$have_gles2" = "xyes"]) +# check for mandatory objcopy program +AC_ARG_VAR([OBJCOPY], [objcopy program]) +AC_CHECK_TOOL([OBJCOPY], [objcopy], "") + +if test "x$OBJCOPY" = "x" ; then + AC_ERROR([Cannot find "objcopy" program]) +fi + # # Makefile vars # After everything is configured, we correctly substitute the values for the |