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| author | Johnny Chen <johnny.chen@apple.com> | 2011-01-24 22:25:48 +0000 |
|---|---|---|
| committer | Johnny Chen <johnny.chen@apple.com> | 2011-01-24 22:25:48 +0000 |
| commit | 9397fba093f76d112d7b278c8831954610251e4a (patch) | |
| tree | b6579f395f7499e8cd3987d6ad0ea7726549f4c3 | |
| parent | 6e959a5687c5bcb4654ae9e2176df1081303c410 (diff) | |
| download | bcm5719-llvm-9397fba093f76d112d7b278c8831954610251e4a.tar.gz bcm5719-llvm-9397fba093f76d112d7b278c8831954610251e4a.zip | |
Add comment about using Encoding A1 push instruction to emulate the "stmfd sp!, reg" case,
i.e., pushing one register onto the full descending stacks.
llvm-svn: 124149
| -rw-r--r-- | lldb/source/Plugins/Process/Utility/EmulateInstructionARM.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lldb/source/Plugins/Process/Utility/EmulateInstructionARM.cpp b/lldb/source/Plugins/Process/Utility/EmulateInstructionARM.cpp index 91eb0211e1e..cdb4f622d17 100644 --- a/lldb/source/Plugins/Process/Utility/EmulateInstructionARM.cpp +++ b/lldb/source/Plugins/Process/Utility/EmulateInstructionARM.cpp @@ -135,6 +135,9 @@ EmulateARMPushEncoding (EmulateInstructionARM *emulator, ARMEncoding encoding) break; case eEncodingA1: registers = EmulateInstruction::UnsignedBits (opcode, 15, 0); + // Instead of return false, let's handle the following case as well, + // which amounts to pushing one reg onto the full descending stacks. + // if BitCount(register_list) < 2 then SEE STMDB / STMFD; break; case eEncodingA2: t = EmulateInstruction::UnsignedBits (opcode, 15, 12); |
