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authorJohnny Chen <johnny.chen@apple.com>2010-02-11 18:12:29 +0000
committerJohnny Chen <johnny.chen@apple.com>2010-02-11 18:12:29 +0000
commitc6f7b27fdab506bc15d6e5f356adf1e455d1d571 (patch)
tree617ff0b0cbc215e347dfaf2806d7ba556059454b
parentb5b90eddcd5e0a3199a7d5064b9d7551cc1dff9c (diff)
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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
-rw-r--r--lib/Target/ARM/ARMInstrInfo.td9
-rw-r--r--lib/Target/ARM/ARMInstrThumb.td8
2 files changed, 17 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 1e3847f..ea7a569 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$opt",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV7]> {
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index 1dcea26..64142ad 100644
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -132,6 +132,14 @@ PseudoInst<(outs), (ins i32imm:$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,