Qiongsi Wu 9715af4345 [AIX][clang] Storage Locations for Constant Pointers ...

This patch adds clang options `-mxcoff-roptr` and `-mno-xcoff-roptr` to specify storage locations for constant pointers on AIX.

When the `-mxcoff-roptr` option is in effect, constant pointers, virtual function tables, and virtual type tables are placed in read-only storage. When the `-mno-xcoff-roptr` option is in effect, pointers, virtual function tables, and virtual type tables are placed are placed in read/write storage.

This patch depends on https://reviews.llvm.org/D144189.

Reviewed By: hubert.reinterpretcast, stephenpeckham

Differential Revision: https://reviews.llvm.org/D144190

2023-05-15 11:31:00 -04:00

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