https://llvm.org/bugs/show_bug.cgi?id=26814
Bug ID: 26814
Summary: lld needs to set DF_TEXTREL if the output contains
relocations in non-writable segments
Product: lld
Version: unspecified
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: unassignedb...@nondot.org
Reporter: ema...@freebsd.org
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
PR 26813 reports an issue where an lld-linked FreeBSD libc contains .text
relocations, which should not be the case.
However, if the output does contain .text relocations the DF_TEXTREL flag needs
to be set (and perhaps the DT_TEXTREL tag).
Split into a separate PR for tracking.
See http://www.sco.com/developers/gabi/2007-03-26/ch5.dynamic.html#df_textrel
> DF_TEXTREL
>
> If this flag is not set, no relocation entry should cause a modification
> to a non-writable segment, as specified by the segment permissions in the
> program header table. If this flag is set, one or more relocation entries
> might request modifications to a non-writable segment, and the dynamic
> linker can prepare accordingly.
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