Merge pull request #1907 from FinnWilkinson/AArch64-Armv9.2-update

capstone-engine · Oct 6, 2022 · 662bb3f · 662bb3f
2 parents afb5575 + f5a633d
commit 662bb3f
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diff --git a/CREDITS.TXT b/CREDITS.TXT
@@ -86,3 +86,4 @@ Do Minh Tuan: Regression testing tool (cstest)
 david942j: BPF (both classic and extended) architecture.
 fanfuqiang & citypw & porto703 : RISCV architecture.
 Josh "blacktop" Maine: Arm64 architecture improvements.
+Finn Wilkinson: AArch64 update to Armv9.2-a (SME + SVE2 support)
diff --git a/MCRegisterInfo.c b/MCRegisterInfo.c
@@ -133,6 +133,11 @@ const MCRegisterClass* MCRegisterInfo_getRegClass(const MCRegisterInfo *RI, unsi
 
 bool MCRegisterClass_contains(const MCRegisterClass *c, unsigned Reg)
 {
+	// Make sure that MCRegisterInfo_getRegClass didn't return 0
+	// (for calls to GETREGCLASS_CONTAIN0)
+	if(!c)
+		return false;
+
 	unsigned InByte = Reg % 8;
 	unsigned Byte = Reg / 8;