From: Alan Hayward <alan.hayward@arm.com>
Date: Wed, 26 Apr 2017 09:32:35 +0000 (+0100)
Subject: xtensa_pseudo_register_read/write - Use regcache_raw_read_unsigned
X-Git-Tag: users/hjl/linux/release/2.28.51.0.1~1^2~45^2~60
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c185f580b2b3baf7cee762c8ab31ab6925b9534a;p=thirdparty%2Fbinutils-gdb.git

xtensa_pseudo_register_read/write - Use regcache_raw_read_unsigned

gdb/
	* xtensa-tdep.c (xtensa_pseudo_register_read): Use
	regcache_raw_read_unsigned.
	(xtensa_pseudo_register_write): Likewise.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 52ef8d99de4..03bec1f021d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2017-04-26  Alan Hayward  <alan.hayward@arm.com>
+
+	* xtensa-tdep.c (xtensa_pseudo_register_read): Use
+	regcache_raw_read_unsigned.
+	(xtensa_pseudo_register_write): Likewise.
+
 2017-04-26  Alan Hayward  <alan.hayward@arm.com>
 
 	* nds32-tdep.c (nds32_pseudo_register_read): Abort on errors.
diff --git a/gdb/xtensa-tdep.c b/gdb/xtensa-tdep.c
index 0fcd4831654..0a4ed37cf95 100644
--- a/gdb/xtensa-tdep.c
+++ b/gdb/xtensa-tdep.c
@@ -559,16 +559,15 @@ xtensa_pseudo_register_read (struct gdbarch *gdbarch,
       && (regnum >= gdbarch_tdep (gdbarch)->a0_base)
       && (regnum <= gdbarch_tdep (gdbarch)->a0_base + 15))
     {
-      gdb_byte *buf = (gdb_byte *) alloca (MAX_REGISTER_SIZE);
+      ULONGEST value;
       enum register_status status;
 
-      status = regcache_raw_read (regcache,
-				  gdbarch_tdep (gdbarch)->wb_regnum,
-				  buf);
+      status = regcache_raw_read_unsigned (regcache,
+					   gdbarch_tdep (gdbarch)->wb_regnum,
+					   &value);
       if (status != REG_VALID)
 	return status;
-      regnum = arreg_number (gdbarch, regnum,
-			     extract_unsigned_integer (buf, 4, byte_order));
+      regnum = arreg_number (gdbarch, regnum, value);
     }
 
   /* We can always read non-pseudo registers.  */
@@ -656,12 +655,10 @@ xtensa_pseudo_register_write (struct gdbarch *gdbarch,
       && (regnum >= gdbarch_tdep (gdbarch)->a0_base)
       && (regnum <= gdbarch_tdep (gdbarch)->a0_base + 15))
     {
-      gdb_byte *buf = (gdb_byte *) alloca (MAX_REGISTER_SIZE);
-
-      regcache_raw_read (regcache,
-			 gdbarch_tdep (gdbarch)->wb_regnum, buf);
-      regnum = arreg_number (gdbarch, regnum,
-			     extract_unsigned_integer (buf, 4, byte_order));
+      ULONGEST value;
+      regcache_raw_read_unsigned (regcache,
+				  gdbarch_tdep (gdbarch)->wb_regnum, &value);
+      regnum = arreg_number (gdbarch, regnum, value);
     }
 
   /* We can always write 'core' registers.