How to decide if a target supports relocations or not?

Fri Aug 21 01:25:11 GMT 2020


Some questions about relocation. Could anyone kindly help on them? 
Thanks a lot.

1 If targetm.asm_out.reloc_rw_mask () returns 0, does it mean the target 
doesn't support relocations in read only section. So it should be put in 
read-write section?

2 Here, does the read only section stand for rodata section or section?

3 What's the relationships between PIC flag and relocations?

Thanks again.

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