Changes in directory llvm/lib/Target:
Target.td updated: 1.74 -> 1.75
---
Log message:
Add support for dwarf register numbering.
---
Diffs of the changes: (+21 -0)
Target.td | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+)
Index: llvm/lib/Target/Target.td
diff -u llvm/lib/Target/Target.td:1.74 llvm/lib/Target/Target.td:1.75
--- llvm/lib/Target/Target.td:1.74 Fri Mar 24 12:52:35 2006
+++ llvm/lib/Target/Target.td Fri Mar 24 15:13:21 2006
@@ -43,6 +43,13 @@
// registers.
//
list<Register> Aliases = [];
+
+ // DwarfNumber - Number used internally by gcc/gdb to identify the register.
+ // These values can be determined by locating the <target>.h file in the
+ // directory llvmgcc/gcc/config/<target>/ and looking for REGISTER_NAMES.
The
+ // order of these names correspond to the enumeration used by gcc. A value
of
+ // -1 indicates that the gcc number is undefined.
+ int DwarfNumber = -1;
}
// RegisterGroup - This can be used to define instances of Register which
@@ -92,6 +99,20 @@
//===----------------------------------------------------------------------===//
+// DwarfRegNum - This class provides a mapping of the llvm register enumeration
+// to the register numbering used by gcc and gdb. These values are used by a
+// debug information writer (ex. DwarfWriter) to describe where values may be
+// located during execution.
+class DwarfRegNum<int N> {
+ // DwarfNumber - Number used internally by gcc/gdb to identify the register.
+ // These values can be determined by locating the <target>.h file in the
+ // directory llvmgcc/gcc/config/<target>/ and looking for REGISTER_NAMES.
The
+ // order of these names correspond to the enumeration used by gcc. A value
of
+ // -1 indicates that the gcc number is undefined.
+ int DwarfNumber = N;
+}
+
+//===----------------------------------------------------------------------===//
// Pull in the common support for scheduling
//
include "../TargetSchedule.td"
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