AArch64: Implement Patchable GCRs #6227
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Akira1Saitoh
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mstoodle
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knn-k
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Nov 5, 2021
This commit implements patchable GCRs on aarch64. - Add a new helper `patchGCRHelper`. - Change `bstoreEvaluator` to call out to `patchGCRHelper`. - Change ARM64Trg1ImmSymInstruction to set immediate value for adr instruction for gcr-patch-point when generating instructions. - Change ARM64ZeroSrc1ImmInstruction to set static address of the gcr-patch-point symbol when generating instructions. Signed-off-by: Akira Saitoh <saiaki@jp.ibm.com>
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This commit implements patchable GCRs on aarch64.
patchGCRHelper.bstoreEvaluatorto call out topatchGCRHelper.ARM64Trg1ImmSymInstructionto set immediate value foradrinstruction forgcr-patch-pointwhen generating instructions.ARM64ZeroSrc1ImmInstructionto set static address of thegcr-patch-pointsymbol when generating instructions.Signed-off-by: Akira Saitoh saiaki@jp.ibm.com