Restrict ia64_convert_register_p

[deliverable/binutils-gdb.git] / gdb / mips-linux-tdep.c

diff --git a/gdb/mips-linux-tdep.c b/gdb/mips-linux-tdep.c
index a8c86bb947639e334581eac640ad8bf9123a1815..48a582a16c934abe6e8f87c46a6009649c606d49 100644 (file)
--- a/gdb/mips-linux-tdep.c
+++ b/gdb/mips-linux-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for GNU/Linux on MIPS processors.
 
-   Copyright (C) 2001-2015 Free Software Foundation, Inc.
+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -120,7 +120,8 @@ supply_32bit_reg (struct regcache *regcache, int regnum, const void *addr)
   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   gdb_byte buf[MAX_REGISTER_SIZE];
   store_signed_integer (buf, register_size (gdbarch, regnum), byte_order,
-                       extract_signed_integer (addr, 4, byte_order));
+                       extract_signed_integer ((const gdb_byte *) addr, 4,
+                                               byte_order));
   regcache_raw_supply (regcache, regnum, buf);
 }
 
@@ -132,11 +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);
 
@@ -155,7 +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
@@ -244,9 +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,
@@ -258,9 +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
@@ -334,7 +328,8 @@ mips64_linux_get_longjmp_target (struct frame_info *frame, CORE_ADDR *pc)
   CORE_ADDR jb_addr;
   struct gdbarch *gdbarch = get_frame_arch (frame);
   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
-  void *buf = alloca (gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT);
+  gdb_byte *buf
+    = (gdb_byte *) alloca (gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT);
   int element_size = gdbarch_ptr_bit (gdbarch) == 32 ? 4 : 8;
 
   jb_addr = get_frame_register_unsigned (frame, MIPS_A0_REGNUM);
@@ -377,11 +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));
@@ -405,7 +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
@@ -475,7 +467,7 @@ mips64_fill_gregset (const struct regcache *regcache,
       val = extract_signed_integer (buf, register_size (gdbarch, regno),
                                    byte_order);
       dst = regp + regaddr;
-      store_signed_integer (dst, 8, byte_order, val);
+      store_signed_integer ((gdb_byte *) dst, 8, byte_order, val);
     }
 }
 
@@ -737,15 +729,17 @@ mips_linux_in_dynsym_stub (CORE_ADDR pc)
   insn = extract_unsigned_integer (p + 4, 4, byte_order);
   if (n64)
     {
-      /* daddu t7,ra */
-      if (insn != 0x03e0782d)
+      /* 'daddu t7,ra' or 'or t7, ra, zero'*/
+      if (insn != 0x03e0782d || insn != 0x03e07825)
        return 0;
+
     }
   else
     {
-      /* addu t7,ra */
-      if (insn != 0x03e07821)
+      /* 'addu t7,ra'  or 'or t7, ra, zero'*/
+      if (insn != 0x03e07821 || insn != 0x03e07825)
        return 0;
+
     }
 
   insn = extract_unsigned_integer (p + 8, 4, byte_order);