[Lldb-commits] [lldb] [lldb] Support arbitrary precision integer registers (PR #166363)

[David Spickett via lldb-commits]

Matej =?utf-8?q?Košík?= <matej.kosik at codasip.com>,
Matej =?utf-8?q?Košík?= <matej.kosik at codasip.com>,
Matej =?utf-8?q?Košík?= <matej.kosik at codasip.com>,
Matej =?utf-8?q?Košík?= <matej.kosik at codasip.com>,
Matej =?utf-8?q?Košík?= <matej.kosik at codasip.com>,
Matej =?utf-8?q?Košík?= <matej.kosik at codasip.com>,
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/166363 at github.com>


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@@ -207,6 +207,18 @@ Status RegisterValue::SetValueFromData(const RegisterInfo &reg_info,
         int128.x[1] = data1;
       }
       SetUInt128(llvm::APInt(128, 2, int128.x));
+    } else {
+      std::vector<uint8_t> bytes(src_len, 0);
+      for (size_t i = 0; i < src_len; i++)
+        bytes[i] = src.GetU8(&src_offset);
+      if (src.GetByteOrder() == eByteOrderBig)
+        std::reverse(bytes.begin(), bytes.end());
+      // The number of 64-bit wide words that are stored in "src".
+      size_t size64 = (reg_info.byte_size - 1) / 8 + 1;
+      bytes.resize(size64 * sizeof(uint64_t), 0);
+      llvm::APInt uint = llvm::APInt::getZero(src_len * 8);
+      llvm::LoadIntFromMemory(uint, bytes.data(), src_len);
+      SetUInt128(uint);
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DavidSpickett wrote:

Add blank lines after the one line for and if.



https://github.com/llvm/llvm-project/pull/166363