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Add aarch64-specific --no-apply-dynamic-relocs option.

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With --no-apply-dynamic-relocs on aarch64 targets, gold will not apply
link-time values for absolute relocations that become dynamic relocations.
This provides a workaround for broken Android dynamic linkers that use
the link-time value as an extra addend to the relocation.

gold/
	PR gold/19163
	* aarch64.cc (Target_aarch64::Relocate::relocate): Don't apply
	certain relocations if --no-apply-dynamic-relocs is set.
	* options.h (--apply-dynamic-relocs): New aarch64-specific option.
This commit is contained in:
Cary Coutant
2015-11-05 12:24:14 -08:00
parent c86a40c6c2
commit 0eccf19f96
3 changed files with 37 additions and 0 deletions
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5
gold/options.h
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@@ -644,6 +644,11 @@ class General_options
N_("Allow unresolved references in shared libraries"),
N_("Do not allow unresolved references in shared libraries"));
DEFINE_bool(apply_dynamic_relocs, options::TWO_DASHES, '\0', true,
N_("Apply link-time values for dynamic relocations (default)"),
N_("(aarch64 only) Do not apply link-time values "
"for dynamic relocations"));
DEFINE_bool(as_needed, options::TWO_DASHES, '\0', false,
N_("Only set DT_NEEDED for shared libraries if used"),
N_("Always DT_NEEDED for shared libraries"));