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python: update upstream-status for patches binutils: update upstream-status for patches gcc 4.5.1 4.6.0: update upstream-status for patches autoconf: update upstream-status for patches automake: update upstream-status for patches bison: update upstream-status for patches distcc: update upstream-status of patches fstests: update upstream-status for patches gdb: update upstream-status of patches intltool: update upstream-status of patches libtool: update upstream status of patches linux-libc-headers: update upstream-status for patches make: update upstream-status for patches perl: update upstream-status for patches python-pycurl: update upstream-status for patches python-pygobject: update upstream status for patches python-pyrex: update upstream-status for patches quilt: update upstream-status of patches tcl: update upstream-status for patches gnu-config: update upstream-status for patches gmp: update upstream-status for patches (From OE-Core rev: a62fa9b213b09bf48c48499d2e3c66a9ee306deb) Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
86 lines
2.2 KiB
Diff
86 lines
2.2 KiB
Diff
Upstream-Status: Pending
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gcc: add poison parameters detection
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Add the logic that, if not configured with "--enable-target-optspace",
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gcc will meet error when build target app with "-Os" option.
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This could avoid potential binary crash.
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Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
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diff --git a/gcc/config.in b/gcc/config.in
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index a9e208f..3004321 100644
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--- a/gcc/config.in
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+++ b/gcc/config.in
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@@ -132,6 +132,12 @@
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#endif
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+/* Define to enable target optspace support. */
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+#ifndef USED_FOR_TARGET
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+#undef ENABLE_TARGET_OPTSPACE
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+#endif
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+
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+
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/* Define if you want all operations on RTL (the basic data structure of the
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optimizer and back end) to be checked for dynamic type safety at runtime.
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This is quite expensive. */
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diff --git a/gcc/configure b/gcc/configure
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index 2e022ed..004ec0b 100755
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--- a/gcc/configure
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+++ b/gcc/configure
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@@ -909,6 +909,7 @@ enable_maintainer_mode
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enable_version_specific_runtime_libs
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with_slibdir
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enable_plugin
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+enable_target_optspace
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'
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ac_precious_vars='build_alias
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host_alias
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@@ -25289,6 +25290,13 @@ $as_echo "#define ENABLE_PLUGIN 1" >>confdefs.h
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fi
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+if test x"$enable_target_optspace" != x; then :
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+
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+$as_echo "#define ENABLE_TARGET_OPTSPACE 1" >>confdefs.h
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+
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+fi
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+
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+
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# Configure the subdirectories
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# AC_CONFIG_SUBDIRS($subdirs)
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diff --git a/gcc/configure.ac b/gcc/configure.ac
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index ac4ca70..18ec0aa 100644
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--- a/gcc/configure.ac
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+++ b/gcc/configure.ac
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@@ -4434,6 +4434,11 @@ if test x"$enable_plugin" = x"yes"; then
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AC_DEFINE(ENABLE_PLUGIN, 1, [Define to enable plugin support.])
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fi
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+AC_SUBST(enable_target_optspace)
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+if test x"$enable_target_optspace" != x; then
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+ AC_DEFINE(ENABLE_TARGET_OPTSPACE, 1, [Define to enable target optspace support.])
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+fi
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+
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# Configure the subdirectories
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# AC_CONFIG_SUBDIRS($subdirs)
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diff --git a/gcc/opts.c b/gcc/opts.c
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index 139cd26..2fdd96a 100644
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--- a/gcc/opts.c
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+++ b/gcc/opts.c
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@@ -945,6 +945,11 @@ decode_options (unsigned int argc, const char **argv)
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else
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set_param_value ("min-crossjump-insns", initial_min_crossjump_insns);
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+#ifndef ENABLE_TARGET_OPTSPACE
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+ if (optimize_size == 1)
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+ error ("Do not use -Os option if --enable-target-optspace is not set.");
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+#endif
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+
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if (first_time_p)
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{
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/* Initialize whether `char' is signed. */
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