amd64: simplify addition of new general registers.

The purpose of this patch is only simplify the addition of new registers.
ORIG_RAX is kept as last register and any addition is done right before it.

2017-01-27  Walfred Tedeschi  <walfred.tedeschi@intel.com>

	* amd64-linux-tdep.h (AMD64_LINUX_ORIG_RAX_REGNUM):
	Set to AMD64_NUM_REGS.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 401372c..d4af52a 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
 2017-01-27  Walfred Tedeschi  <walfred.tedeschi@intel.com>
 
+       * amd64-linux-tdep.h (AMD64_LINUX_ORIG_RAX_REGNUM):
+       Set to AMD64_NUM_REGS.
+
+2017-01-27  Walfred Tedeschi  <walfred.tedeschi@intel.com>
+
        * amd64-nat.c (amd64_native_gregset_reg_offset): Simplify logic
        that checks validity of a register number.
 

diff --git a/gdb/amd64-linux-tdep.h b/gdb/amd64-linux-tdep.h
index 5d032a6..7c53fda 100644 (file)
--- a/gdb/amd64-linux-tdep.h
+++ b/gdb/amd64-linux-tdep.h
@@ -26,7 +26,7 @@
 /* Register number for the "orig_rax" register.  If this register
    contains a value >= 0 it is interpreted as the system call number
    that the kernel is supposed to restart.  */
-#define AMD64_LINUX_ORIG_RAX_REGNUM (AMD64_ZMM31H_REGNUM + 1)
+#define AMD64_LINUX_ORIG_RAX_REGNUM AMD64_NUM_REGS
 
 /* Total number of registers for GNU/Linux.  */
 #define AMD64_LINUX_NUM_REGS (AMD64_LINUX_ORIG_RAX_REGNUM + 1)