diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
| commit | 706b4fc47bbc608932d3b491ae19a3b9cde9497b (patch) | |
| tree | 4adf86a776049cbf7f69a1929c4babcbbef925eb /lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp | |
| parent | 7cc9cf2bf09f069cb2dd947ead05d0b54301fb71 (diff) | |
Notes
Diffstat (limited to 'lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp')
| -rw-r--r-- | lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp b/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp index 19a987b0f004..ff142e6f35ff 100644 --- a/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp +++ b/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp @@ -850,6 +850,7 @@ uint32_t EmulateInstructionARM::GetFramePointerRegisterNumber() const { /* On Apple iOS et al, the frame pointer register is always r7. * Typically on other ARM systems, thumb code uses r7; arm code uses r11. + * Windows on ARM, which is in thumb mode, uses r11 though. */ uint32_t fp_regnum = 11; @@ -857,7 +858,7 @@ uint32_t EmulateInstructionARM::GetFramePointerRegisterNumber() const { if (is_apple) fp_regnum = 7; - if (m_opcode_mode == eModeThumb) + if (m_opcode_mode == eModeThumb && !m_arch.GetTriple().isOSWindows()) fp_regnum = 7; return fp_regnum; @@ -879,6 +880,7 @@ uint32_t EmulateInstructionARM::GetFramePointerDWARFRegisterNumber() const { /* On Apple iOS et al, the frame pointer register is always r7. * Typically on other ARM systems, thumb code uses r7; arm code uses r11. + * Windows on ARM, which is in thumb mode, uses r11 though. */ uint32_t fp_regnum = dwarf_r11; @@ -886,7 +888,7 @@ uint32_t EmulateInstructionARM::GetFramePointerDWARFRegisterNumber() const { if (is_apple) fp_regnum = dwarf_r7; - if (m_opcode_mode == eModeThumb) + if (m_opcode_mode == eModeThumb && !m_arch.GetTriple().isOSWindows()) fp_regnum = dwarf_r7; return fp_regnum; @@ -1343,6 +1345,8 @@ bool EmulateInstructionARM::EmulateMOVRdRm(const uint32_t opcode, EmulateInstruction::Context context; if (Rd == 13) context.type = EmulateInstruction::eContextAdjustStackPointer; + else if (Rd == GetFramePointerRegisterNumber() && Rm == 13) + context.type = EmulateInstruction::eContextSetFramePointer; else context.type = EmulateInstruction::eContextRegisterPlusOffset; RegisterInfo dwarf_reg; |