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Diffstat (limited to 'sys-devel/gcc/files/pro-police-docs.patch')
| -rw-r--r-- | sys-devel/gcc/files/pro-police-docs.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/sys-devel/gcc/files/pro-police-docs.patch b/sys-devel/gcc/files/pro-police-docs.patch new file mode 100644 index 00000000..091ea44e --- /dev/null +++ b/sys-devel/gcc/files/pro-police-docs.patch @@ -0,0 +1,74 @@ +Index: gcc/doc/invoke.texi +=================================================================== +RCS file: /cvsroot/gcc/gcc/gcc/doc/invoke.texi,v +retrieving revision 1.364 +diff -c -3 -p -r1.364 invoke.texi +*** gcc/doc/invoke.texi 21 Nov 2003 11:42:58 -0000 1.364 +--- gcc/doc/invoke.texi 22 Nov 2003 08:12:35 -0000 +*************** in the following sections. +*** 228,234 **** + -Wno-multichar -Wnonnull -Wpacked -Wpadded @gol + -Wparentheses -Wpointer-arith -Wredundant-decls @gol + -Wreturn-type -Wsequence-point -Wshadow @gol +! -Wsign-compare -Wstrict-aliasing @gol + -Wswitch -Wswitch-default -Wswitch-enum @gol + -Wsystem-headers -Wtrigraphs -Wundef -Wuninitialized @gol + -Wunknown-pragmas -Wunreachable-code @gol +--- 228,234 ---- + -Wno-multichar -Wnonnull -Wpacked -Wpadded @gol + -Wparentheses -Wpointer-arith -Wredundant-decls @gol + -Wreturn-type -Wsequence-point -Wshadow @gol +! -Wsign-compare -Wstack-protector -Wstrict-aliasing @gol + -Wswitch -Wswitch-default -Wswitch-enum @gol + -Wsystem-headers -Wtrigraphs -Wundef -Wuninitialized @gol + -Wunknown-pragmas -Wunreachable-code @gol +*************** in the following sections. +*** 681,686 **** +--- 681,687 ---- + -fshort-double -fshort-wchar @gol + -fverbose-asm -fpack-struct -fstack-check @gol + -fstack-limit-register=@var{reg} -fstack-limit-symbol=@var{sym} @gol ++ -fstack-protector -fstack-protector-all @gol + -fargument-alias -fargument-noalias @gol + -fargument-noalias-global -fleading-underscore @gol + -ftls-model=@var{model} @gol +*************** effectively. Often, the problem is that +*** 3014,3019 **** +--- 3015,3024 ---- + complex; GCC will refuse to optimize programs when the optimization + itself is likely to take inordinate amounts of time. + ++ @item -Wstack-protector ++ @opindex Wstack-protector ++ Warn when not issuing stack smashing protection for some reason ++ + @item -Werror + @opindex Werror + Make all warnings into errors. +*************** and grows downwards, you can use the fla +*** 11474,11479 **** +--- 11479,11502 ---- + @option{-fstack-limit-symbol=__stack_limit} and + @option{-Wl,--defsym,__stack_limit=0x7ffe0000} to enforce a stack limit + of 128KB@. Note that this may only work with the GNU linker. ++ ++ @item -fstack-protector ++ @item -fstack-protector-all ++ @opindex fstack-protector ++ @opindex fstack-protector-all ++ @opindex fno-stack-protector ++ Generate code to protect an application from a stack smashing ++ attack. The features are (1) the insertion of random value next to the ++ frame pointer to detect the integrity of the stack, (2) the reordering ++ of local variables to place buffers after pointers to avoid the ++ corruption of pointers that could be used to further corrupt arbitrary ++ memory locations, (3) the copying of pointers in function arguments to ++ an area preceding local variable buffers to prevent the corruption of ++ pointers that could be used to further corrupt arbitrary memory ++ locations, and the (4) omission of instrumentation code from some ++ functions to decrease the performance overhead. If the integrity ++ would be broken, the program is aborted. If no-stack-protector is ++ specified, instrumentation codes are generated at every functions. + + @cindex aliasing of parameters + @cindex parameters, aliased |