Hi Vineet, Vineet Gupta wrote, > Currently crt1 takes address of functions (main,_init,_fini) directly > which doesn't generate truely position independent code, but zero based > values instead. e.g. > > | __start: > | ... > | add_s r2,sp,0x4 > | mov_s r0, main > > generates to > > | 000156ec <__start>: > | ... > | 156f4: add_s r2,sp,0x4 > | 156f6: mov_s r0,0x15f7c > | ... > | 00015f7c <main>: > | 15f7c: push_s blink > > This works just fine for the normal (non PIE) dynamic executables since > they are loaded at address 0. However this is not true for PIE > executables. So for Scrt1 we use a true position independent way when > taking function addresses. > > Cc: ucl...@uclibc.org <ucl...@uclibc.org> > Cc: devel@uclibc-ng.org <devel@uclibc-ng.org> > Cc: Cupertino Miranda <cmira...@synopsys.com> > Signed-off-by: Vineet Gupta <vgu...@synopsys.com> > --- > libc/sysdeps/linux/arc/crt1.S | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-)
Applied and pushed, thx Waldemar _______________________________________________ devel mailing list devel@uclibc-ng.org http://mailman.uclibc-ng.org/cgi-bin/mailman/listinfo/devel
