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2009-09-11 Magnus Granberg <zorry@gentoo.org>
* gcc/doc/invoke.texi Add NOTES about -fstack-protector-all, -pie and
-fPIE/-fpie when --enable-esp is enable, this options is on by default.
--- a/gcc/doc/invoke.texi 2009-04-01 09:18:47.000000000 +0200
+++ b/gcc/doc/invoke.texi 2009-06-18 14:08:38.000000000 +0200
@@ -7134,6 +7134,11 @@
@opindex fstack-protector-all
Like @option{-fstack-protector} except that all functions are protected.
+NOTE: When --enable-esp this option is enabled by default
+for C, C++, ObjC, ObjC++, if neither @option{-fno-stack-protector}
+or @option{-nostdlib} or @option{-nodefaultlibs} or
+@option{-fstack-protector} are found.
+
@item -fsection-anchors
@opindex fsection-anchors
Try to reduce the number of symbolic address calculations by using
@@ -7960,6 +7965,12 @@
that were used to generate code (@option{-fpie}, @option{-fPIE},
or model suboptions) when you specify this option.
+NOTE: When --enable-esp this option is enabled by default
+for C, C++, ObjC, ObjC++, if neither @option{-fno-pie} or @option{-fno-PIE}
+or @option{-fno-pic} or @option{-fno-PIC} or @option{-nostdlib} or
+@option{-nostartfiles} or @option{-shared} or @option{-pg} or @option{-p}
+are found.
+
@item -rdynamic
@opindex rdynamic
Pass the flag @option{-export-dynamic} to the ELF linker, on targets
@@ -15889,6 +15910,11 @@
@code{__pie__} and @code{__PIE__}. The macros have the value 1
for @option{-fpie} and 2 for @option{-fPIE}.
+NOTE: When --enable-esp this option is enabled by default
+for C, C++, ObjC, ObjC++, if neither @option{-fno-pie} or @option{-fno-PIE}
+or @option{-fno-pic} or @option{-fno-PIC} or @option{-nostdlib} or
+@option{-nostartfiles} or @option{-shared} are found.
+
@item -fno-jump-tables
@opindex fno-jump-tables
Do not use jump tables for switch statements even where it would be
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