34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
commit cd685e0ff55060e9ec341c86b23c6dbb2d3127f4
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Author: tom <tom@8f6e269a-dfd6-0310-a8e1-e2731360e62c>
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Date: Sat Feb 11 10:44:29 2017 +0000
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Handle unknown HINT instructions on aarch64 by ignoring them. BZ#376279.
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git-svn-id: svn://svn.valgrind.org/vex/trunk@3302 8f6e269a-dfd6-0310-a8e1-e2731360e62c
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diff --git a/VEX/priv/guest_arm64_toIR.c b/VEX/priv/guest_arm64_toIR.c
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index e527447..484a26e 100644
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--- a/VEX/priv/guest_arm64_toIR.c
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+++ b/VEX/priv/guest_arm64_toIR.c
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@@ -7022,6 +7022,19 @@ Bool dis_ARM64_branch_etc(/*MB_OUT*/DisResult* dres, UInt insn,
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return True;
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}
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+ /* -------------------- HINT ------------------- */
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+ /* 31 23 15 11 4 3
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+ 1101 0101 0000 0011 0010 imm7 1 1111
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+ */
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+ if (INSN(31,24) == BITS8(1,1,0,1,0,1,0,1)
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+ && INSN(23,16) == BITS8(0,0,0,0,0,0,1,1)
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+ && INSN(15,12) == BITS4(0,0,1,0)
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+ && INSN(4,0) == BITS5(1,1,1,1,1)) {
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+ UInt imm7 = INSN(11,5);
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+ DIP("hint #%u\n", imm7);
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+ return True;
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+ }
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+
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/* ------------------- CLREX ------------------ */
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/* 31 23 15 11 7
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1101 0101 0000 0011 0011 m 0101 1111 CLREX CRm
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