Add a comment for the ARM_F{0..7}_REGNUM registers

These are for the obsolete FPA architecture.

gdb/ChangeLog:

2020-02-11  Christian Biesinger  <cbiesinger@google.com>

	* arch/arm.h (enum gdb_regnum): Add comment for the FP0..7
	registers.

Change-Id: I6920616318ee637493d4ca12b91fa2ebcd103d76

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 75182ed78800a3b9a060af6776a45f2f297503be..93ad9d0df0cecdc95ac58d81e3ce09cc8483d5cd 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2020-02-11  Christian Biesinger  <cbiesinger@google.com>
+
+       * arch/arm.h (enum gdb_regnum): Add comment for the FP0..7
+       registers.
+
 2020-02-11  Christian Biesinger  <cbiesinger@google.com>
 
        * arm-tdep.c (arm_dump_tdep): Add \n in fprintf.

diff --git a/gdb/arch/arm.h b/gdb/arch/arm.h
index 13f030af82ca76b27e80b9b73dc849e8bd108636..2d9e87eb428ee8b238804dff01e9eeb03198a23d 100644 (file)
--- a/gdb/arch/arm.h
+++ b/gdb/arch/arm.h
@@ -31,6 +31,7 @@ enum gdb_regnum {
   ARM_SP_REGNUM = 13,          /* Contains address of top of stack */
   ARM_LR_REGNUM = 14,          /* address to return to from a function call */
   ARM_PC_REGNUM = 15,          /* Contains program counter */
+  /* F0..F7 are the fp registers for the (obsolete) FPA architecture.  */
   ARM_F0_REGNUM = 16,          /* first floating point register */
   ARM_F3_REGNUM = 19,          /* last floating point argument register */
   ARM_F7_REGNUM = 23,          /* last floating point register */