Remove some uses of MAX_REGISTER_SIZE from mips-linux-tdep.c

gdb/
	* mips-linux-tdep.c (mips_supply_gregset): Use raw_supply_zeroed.
	(mips_supply_fpregset): Likewise.
	(mips64_supply_gregset): Likewise.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8979e759bb3629e0b260ef53d92b647a7b963165..1f3f6cbd186320eb30c46309572a460da6b1e261 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2017-05-08  Alan Hayward  <alan.hayward@arm.com>
+
+       * mips-linux-tdep.c (mips_supply_gregset): Use raw_supply_zeroed.
+       (mips_supply_fpregset): Likewise.
+       (mips64_supply_gregset): Likewise.
+
 2017-05-08  Alan Hayward  <alan.hayward@arm.com>
 
        * mn10300-linux-tdep.c (am33_supply_gregset_method): Use 

diff --git a/gdb/mips-linux-tdep.c b/gdb/mips-linux-tdep.c
index 57e75b5343e1b927e9fe28dea16759f769cf4506..48a582a16c934abe6e8f87c46a6009649c606d49 100644 (file)
--- a/gdb/mips-linux-tdep.c
+++ b/gdb/mips-linux-tdep.c
@@ -133,11 +133,8 @@ mips_supply_gregset (struct regcache *regcache,
 {
   int regi;
   const mips_elf_greg_t *regp = *gregsetp;
-  char zerobuf[MAX_REGISTER_SIZE];
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
 
-  memset (zerobuf, 0, MAX_REGISTER_SIZE);
-
   for (regi = EF_REG0 + 1; regi <= EF_REG31; regi++)
     supply_32bit_reg (regcache, regi - EF_REG0, regp + regi);
 
@@ -156,7 +153,7 @@ mips_supply_gregset (struct regcache *regcache,
                    regp + EF_CP0_CAUSE);
 
   /* Fill the inaccessible zero register with zero.  */
-  regcache_raw_supply (regcache, MIPS_ZERO_REGNUM, zerobuf);
+  regcache->raw_supply_zeroed (MIPS_ZERO_REGNUM);
 }
 
 static void
@@ -245,9 +242,6 @@ mips_supply_fpregset (struct regcache *regcache,
 {
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
   int regi;
-  char zerobuf[MAX_REGISTER_SIZE];
-
-  memset (zerobuf, 0, MAX_REGISTER_SIZE);
 
   for (regi = 0; regi < 32; regi++)
     regcache_raw_supply (regcache,
@@ -259,9 +253,8 @@ mips_supply_fpregset (struct regcache *regcache,
                       *fpregsetp + 32);
 
   /* FIXME: how can we supply FCRIR?  The ABI doesn't tell us.  */
-  regcache_raw_supply (regcache,
-                      mips_regnum (gdbarch)->fp_implementation_revision,
-                      zerobuf);
+  regcache->raw_supply_zeroed
+    (mips_regnum (gdbarch)->fp_implementation_revision);
 }
 
 static void
@@ -379,11 +372,8 @@ mips64_supply_gregset (struct regcache *regcache,
 {
   int regi;
   const mips64_elf_greg_t *regp = *gregsetp;
-  gdb_byte zerobuf[MAX_REGISTER_SIZE];
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
 
-  memset (zerobuf, 0, MAX_REGISTER_SIZE);
-
   for (regi = MIPS64_EF_REG0 + 1; regi <= MIPS64_EF_REG31; regi++)
     supply_64bit_reg (regcache, regi - MIPS64_EF_REG0,
                      (const gdb_byte *) (regp + regi));
@@ -407,7 +397,7 @@ mips64_supply_gregset (struct regcache *regcache,
                    (const gdb_byte *) (regp + MIPS64_EF_CP0_CAUSE));
 
   /* Fill the inaccessible zero register with zero.  */
-  regcache_raw_supply (regcache, MIPS_ZERO_REGNUM, zerobuf);
+  regcache->raw_supply_zeroed (MIPS_ZERO_REGNUM);
 }
 
 static void