> On ppc32 personality is clearly set to 0. On ppc64 the > elf_read_implies_exec does work around the issue (ie I implemented > elf_read_implies_exec as (exec_stk != EXSTACK_DISABLE_X) on ppc32). > However I think its just masking it.
How so ? IE, it checks for PT_GNU_STACK, if not present, it then sets read to imply exec. Things compiled with a fixed toolchain have that no ? Ben. > Hear are the PHDRs for the version of init I'm running: > > Program Headers: > Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg > Align > PHDR 0x000034 0x10000034 0x10000034 0x000e0 0x000e0 R E 0x4 > INTERP 0x000114 0x10000114 0x10000114 0x0000d 0x0000d R 0x1 > [Requesting program interpreter: /lib/ld.so.1] > LOAD 0x000000 0x10000000 0x10000000 0x072a0 0x072a0 R E > 0x10000 > LOAD 0x0072a0 0x100172a0 0x100172a0 0x00358 0x00988 RW > 0x10000 > DYNAMIC 0x0074bc 0x100174bc 0x100174bc 0x000c8 0x000c8 RW 0x4 > NOTE 0x000130 0x10000130 0x10000130 0x00020 0x00020 R > 0x10 > > I don't think elf_read_implies_exec() is the right solution on ppc32. > As I asked before, can VM_MAYEXEC be of any use to us? > > - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
