45 lines
1.9 KiB
Diff
45 lines
1.9 KiB
Diff
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2014-04-24 Magnus Granberg <zorry@gentoo.org>
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* gcc/doc/invoke.texi Add NOTES about -fstack-protector-all, -pie and
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-fPIE/-fpie when --enable-esp is enable, this options is on by default.
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--- a/gcc/doc/invoke.texi 2009-04-01 09:18:47.000000000 +0200
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+++ b/gcc/doc/invoke.texi 2009-06-18 14:08:38.000000000 +0200
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@@ -9233,6 +9245,11 @@ If a guard check fails, an error message
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@opindex fstack-protector-all
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Like @option{-fstack-protector} except that all functions are protected.
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+NOTE: NOTE: When --enable-esp this option is enabled by default
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+for C, C++, ObjC, ObjC++, if neither @option{-fno-stack-protector},
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+@option{-nostdlib}, @option{-ffreestanding}, @option{-fstack-protector},
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+@option{-fstack-protector-strong}or @option{-fstack-protector-all}are found.
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+
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@item -fstack-protector-strong
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@opindex fstack-protector-strong
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Like @option{-fstack-protector} but includes additional functions to
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@@ -7960,6 +7965,12 @@
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that were used to generate code (@option{-fpie}, @option{-fPIE},
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or model suboptions) when you specify this option.
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+NOTE: When --enable-esp this option is enabled by default
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+for C, C++, ObjC, ObjC++, if neither @option{-fno-pie} or @option{-fno-PIE}
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+or @option{-fno-pic} or @option{-fno-PIC} or @option{-nostdlib} or
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+@option{-nostartfiles} or @option{-shared} or @option{-pg} or @option{-p}
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+are found.
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+
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@item -rdynamic
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@opindex rdynamic
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Pass the flag @option{-export-dynamic} to the ELF linker, on targets
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@@ -15889,6 +15910,11 @@
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@code{__pie__} and @code{__PIE__}. The macros have the value 1
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for @option{-fpie} and 2 for @option{-fPIE}.
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+NOTE: When --enable-esp this option is enabled by default
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+for C, C++, ObjC, ObjC++, if neither @option{-fno-pie} or @option{-fno-PIE}
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+or @option{-fno-pic} or @option{-fno-PIC} or @option{-nostdlib} or
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+@option{-nostartfiles} or @option{-shared} are found.
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+
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@item -fno-jump-tables
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@opindex fno-jump-tables
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Do not use jump tables for switch statements even where it would be
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