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authorHan Shen <shenhan@google.com>2015-04-16 15:17:08 -0700
committerHan Shen <shenhan@google.com>2015-04-16 15:26:34 -0700
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[gold] The first patch to address cortex-a53 erratum-843419.
It implemented scanning the binary and reporting occurrences to users when '--fix-cortex-a53' is turned on. With this, gold users will be able to see if or not there are such erratum occurrences in the output binary. Also included in the CL is reading/recording mapping symbols, which is needed during scan. gold/ChangeLog: * aarch64.cc (AArch64_insn_utilities): New utility class. (AArch64_relobj::Mapping_symbol_position): New struct. (AArch64_relobj::Mapping_symbol_info): New typedef. (AArch64_relobj::do_count_local_symbols): New function overriding parent's implementation. (AArch64_relobj::mapping_symbol_info_): New member (AArch64_relobj::scan_erratum_843419): New method. (Target_aarch64::scan_erratum_843419_span): New method. (Target_aarch64::is_erratum_843419_sequence): New method. * options.h (fix_cortex_a53): New option.
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