Patch | Description | Author | Forwarded | Bugs | Origin | Last update |
---|---|---|---|---|---|---|
static-pie.patch | [PATCH] Enable linking to a static position independent executable This also enables address space layout randomization (ASLR). $ cat hello.c int main() { printf("main = 0x%lxd\n", main); return 0; } $ gcc -fPIE -static-pie -o hello hello.c -specs musl-gcc.specs $ ldd hello statically linked $ file hello $ ./hello main = 0x7f858c4e72b9d $ ./hello main = 0x7f0854d312b9d $ ./hello main = 0x7f7179a1d2b9d $ ./hello main = 0x7f37f981b2b9d $ readelf -l hello Elf file type is DYN (Shared object file) Entry point 0x104f There are 7 program headers, starting at offset 64 Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flags Align LOAD 0x0000000000000000 0x0000000000000000 0x0000000000000000 0x0000000000000308 0x0000000000000308 R 0x1000 LOAD 0x0000000000001000 0x0000000000001000 0x0000000000001000 0x0000000000003eb7 0x0000000000003eb7 R E 0x1000 LOAD 0x0000000000005000 0x0000000000005000 0x0000000000005000 0x000000000000136c 0x000000000000136c R 0x1000 LOAD 0x0000000000006e50 0x0000000000007e50 0x0000000000007e50 0x00000000000002e0 0x00000000000009a0 RW 0x1000 DYNAMIC 0x0000000000006e70 0x0000000000007e70 0x0000000000007e70 0x0000000000000180 0x0000000000000180 RW 0x8 GNU_STACK 0x0000000000000000 0x0000000000000000 0x0000000000000000 0x0000000000000000 0x0000000000000000 RW 0x10 GNU_RELRO 0x0000000000006e50 0x0000000000007e50 0x0000000000007e50 0x00000000000001b0 0x00000000000001b0 R 0x1 Section to Segment mapping: Segment Sections... 00 .hash .gnu.hash .dynsym .dynstr .rela.dyn 01 .init .plt .text .fini 02 .rodata .eh_frame 03 .init_array .fini_array .data.rel.ro .dynamic .got .got.plt .data .bss 04 .dynamic 05 06 .init_array .fini_array .data.rel.ro .dynamic .got |
Harald Hoyer <harald@redhat.com> | no | debian | https://www.openwall.com/lists/musl/2020/04/27/2 | 2020-04-27 |