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[gold][aarch64] PR gold/19472 - DSOs need pc-relative stubs.

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The stub generated during relaxation uses absolute addressing mode for
shared libraries, which is not correct. Use pc-relative addressing
instead.

gold/ChangeLog:

2016-01-15 Han Shen  <shenhan@google.com>

	PR gold/19472 - DSOs need pc-relative stubs.

	* aarch64.cc (Reloc_stub::stub_type_for_reloc): Return
	PC-relative stub type for DSOs and pie executables.
This commit is contained in:
Han Shen
2016-01-15 09:31:23 -08:00
parent f516a4c208
commit 9a472eda40
2 changed files with 11 additions and 2 deletions
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7
gold/ChangeLog
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@ -1,3 +1,10 @@
2016-01-15 Han Shen <shenhan@google.com>
PR gold/19472 - need pc-relative stubs.
* aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
stub type for DSOs and pie executables.
2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
* i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove

6
gold/aarch64.cc
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@ -1327,10 +1327,12 @@ Reloc_stub<size, big_endian>::stub_type_for_reloc(
if (aarch64_valid_for_adrp_p(location, dest))
return ST_ADRP_BRANCH;
if (parameters->options().output_is_position_independent()
&& parameters->options().output_is_executable())
// Always use PC-relative addressing in case of -shared or -pie.
if (parameters->options().output_is_position_independent())
return ST_LONG_BRANCH_PCREL;
// This saves 2 insns per stub, compared to ST_LONG_BRANCH_PCREL.
// But is only applicable to non-shared or non-pie.
return ST_LONG_BRANCH_ABS;
}