2016-06-23 17:38 GMT+03:00 Dmitry Vyukov <dvyukov@xxxxxxxxxx>: > On Thu, Jun 23, 2016 at 4:00 PM, Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx> wrote: >> 2016-06-23 16:21 GMT+03:00 Dmitry Vyukov <dvyukov@xxxxxxxxxx>: >>>> >>>> gcc version 6.1.1 20160513 >>>> >>>> .dtors contains asan destructors for global vars: >>>> >> >> Something has changed very recently, because my gcc-6.1.0 2016-04-27 >> generate .fini_array. >> So if this is not a bug in gcc, and such change done intentionally, we >> can just discard .dtors. >> In case this is a bug, and it will be fixed in gcc release (6.2.0) we >> can ignore it. > > > Okay, turns out we configure our compilers with > --disable-initfini-array for some reason. This switches it to usage of > .ctors/.dtors. > > What about? > Looks good. > --- a/include/asm-generic/vmlinux.lds.h > +++ b/include/asm-generic/vmlinux.lds.h > @@ -537,15 +537,19 @@ > > #define INIT_TEXT \ > *(.init.text) \ > + *(.text.startup) \ > MEM_DISCARD(init.text) > > #define EXIT_DATA \ > *(.exit.data) \ > + *(.fini_array) \ > + *(.dtors) \ > MEM_DISCARD(exit.data) \ > MEM_DISCARD(exit.rodata) > > #define EXIT_TEXT \ > *(.exit.text) \ > + *(.text.exit) \ > MEM_DISCARD(exit.text) > > #define EXIT_CALL \ -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
