I have an aarch64 process (cat) running on an Android (8). I notice this section in /proc/<PID/maps:
746f308000-746f3de000 r-xp 00000000 103:00 5402 /system/lib64/libc++.so 746f3de000-746f3df000 ---p 00000000 00:00 0 746f3df000-746f3e7000 r--p 000d6000 103:00 5402 /system/lib64/libc++.so 746f3e7000-746f3e8000 rw-p 000d3000 103:00 5402 /system/lib64/libc++.so 746f3e8000-746f3eb000 rw-p 000de000 103:00 5402 [anon:.bss] 746f40e000- ... next file Here's the program header table for libc++.so:
Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align PHDR 0x000040 0x0000000000009040 0x0000000000009040 0x0001c0 0x0001c0 R 0x8 LOAD 0x000000 0x0000000000009000 0x0000000000009000 0x0d58fc 0x0d58fc R E 0x1000 LOAD 0x0d68e0 0x00000000000e08e0 0x00000000000e08e0 0x007770 0x00aea8 RW 0x1000 DYNAMIC 0x0dbb40 0x00000000000e5b40 0x00000000000e5b40 0x000220 0x000220 RW 0x8 NOTE 0x000200 0x0000000000009200 0x0000000000009200 0x000038 0x000038 R 0x4 GNU_EH_FRAME 0x0d3058 0x00000000000dc058 0x00000000000dc058 0x0028a4 0x0028a4 R 0x4 GNU_STACK 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 RW 0 GNU_RELRO 0x0d68e0 0x00000000000e08e0 0x00000000000e08e0 0x007720 0x007720 RW 0x10 Here's the section header for the .got.plt:
[Nr] Name Type Address Off Size ES Flg Lk Inf Al ... [22] .got.plt PROGBITS 00000000000e6310 0dc310 001ce8 00 WA 0 0 8 Adding 0xe6310 to the base address, this section should be loaded at 0x746f3ee310. However, that lands between [anon:.bss] and the next file.
