mirror of
https://github.com/openembedded/meta-openembedded.git
synced 2026-07-15 16:07:26 +00:00
Koen Kooi
ff0f815593
Acked-by: Martin Jansa <Martin.Jansa@gmail.com> Acked-by: Eric Bénard <eric@eukrea.com> Acked-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
84 lines
2.4 KiB
Diff
84 lines
2.4 KiB
Diff
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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Index: gcc-4_5-branch/gcc/config.in
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===================================================================
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--- gcc-4_5-branch.orig/gcc/config.in
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+++ gcc-4_5-branch/gcc/config.in
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@@ -138,6 +138,12 @@
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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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Index: gcc-4_5-branch/gcc/configure
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===================================================================
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--- gcc-4_5-branch.orig/gcc/configure
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+++ gcc-4_5-branch/gcc/configure
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@@ -915,6 +915,7 @@ enable_version_specific_runtime_libs
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with_slibdir
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enable_poison_system_directories
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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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@@ -25658,6 +25659,13 @@ $as_echo "#define ENABLE_PLUGIN 1" >>con
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fi
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+if test x"$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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Index: gcc-4_5-branch/gcc/configure.ac
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===================================================================
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--- gcc-4_5-branch.orig/gcc/configure.ac
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+++ gcc-4_5-branch/gcc/configure.ac
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@@ -4659,6 +4659,11 @@ 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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Index: gcc-4_5-branch/gcc/opts.c
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===================================================================
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--- gcc-4_5-branch.orig/gcc/opts.c
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+++ gcc-4_5-branch/gcc/opts.c
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@@ -953,6 +953,11 @@ decode_options (unsigned int argc, const
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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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