From c6f7b27fdab506bc15d6e5f356adf1e455d1d571 Mon Sep 17 00:00:00 2001 From: Johnny Chen Date: Thu, 11 Feb 2010 18:12:29 +0000 Subject: [PATCH] Added BKPT/tBKPT (breakpoint) to the instruction table for disassembly purpose. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95884 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/ARMInstrInfo.td | 9 +++++++++ lib/Target/ARM/ARMInstrThumb.td | 8 ++++++++ 2 files changed, 17 insertions(+) diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 1e3847fcfde..ea7a5692eff 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -612,6 +612,15 @@ def NOP : AI<(outs), (ins), Pseudo, NoItinerary, "nop", "", let Inst{7-0} = 0b00000000; } +// The i32imm operand $val can be used by a debugger to store more information +// about the breakpoint. +def BKPT : AI<(outs), (ins i32imm:$val), Pseudo, NoItinerary, "bkpt", "\t$val", + [/* For disassembly only; pattern left blank */]>, + Requires<[IsARM]> { + let Inst{27-20} = 0b00010010; + let Inst{7-4} = 0b0111; +} + def DBG : AI<(outs), (ins i32imm:$opt), Pseudo, NoItinerary, "dbg", "\t$opt", [/* For disassembly only; pattern left blank */]>, Requires<[IsARM, HasV7]> { diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index 1dcea26bc53..64142ad24bd 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -132,6 +132,14 @@ PseudoInst<(outs), (ins i32imm:$amt), NoItinerary, [(ARMcallseq_start imm:$amt)]>, Requires<[IsThumb1Only]>; } +// The i32imm operand $val can be used by a debugger to store more information +// about the breakpoint. +def tBKPT : T1I<(outs), (ins i32imm:$val), NoItinerary, "bkpt\t$val", + [/* For disassembly only; pattern left blank */]>, + T1Encoding<0b101111> { + let Inst{9-8} = 0b10; +} + // For both thumb1 and thumb2. let isNotDuplicable = 1 in def tPICADD : TIt<(outs GPR:$dst), (ins GPR:$lhs, pclabel:$cp), IIC_iALUr, -- 2.34.1