Remove regcache_xmalloc

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

diff --git a/gdb/ppc-linux-tdep.c b/gdb/ppc-linux-tdep.c
index cf71cf3e5cb6635da4c26ea877c02656f557e8eb..4c851eb4d9ba01dcc7bfe7e18e609261680d9c93 100644 (file)
--- a/gdb/ppc-linux-tdep.c
+++ b/gdb/ppc-linux-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for GDB, the GNU debugger.
 
-   Copyright (C) 1986-2015 Free Software Foundation, Inc.
+   Copyright (C) 1986-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -218,15 +218,13 @@ ppc_linux_memory_remove_breakpoint (struct gdbarch *gdbarch,
   int val;
   int bplen;
   gdb_byte old_contents[BREAKPOINT_MAX];
-  struct cleanup *cleanup;
 
   /* Determine appropriate breakpoint contents and size for this address.  */
   bp = gdbarch_breakpoint_from_pc (gdbarch, &addr, &bplen);
-  if (bp == NULL)
-    error (_("Software breakpoints not implemented for this target."));
 
   /* Make sure we see the memory breakpoints.  */
-  cleanup = make_show_memory_breakpoints_cleanup (1);
+  scoped_restore restore_memory
+    = make_scoped_restore_show_memory_breakpoints (1);
   val = target_read_memory (addr, old_contents, bplen);
 
   /* If our breakpoint is no longer at the address, this means that the
@@ -235,7 +233,6 @@ ppc_linux_memory_remove_breakpoint (struct gdbarch *gdbarch,
   if (val == 0 && memcmp (bp, old_contents, bplen) == 0)
     val = target_write_raw_memory (addr, bp_tgt->shadow_contents, bplen);
 
-  do_cleanups (cleanup);
   return val;
 }
 
@@ -1352,7 +1349,7 @@ ppu2spu_sniffer (const struct frame_unwind *self,
       info.bfd_arch_info = bfd_lookup_arch (bfd_arch_spu, bfd_mach_spu);
       info.byte_order = BFD_ENDIAN_BIG;
       info.osabi = GDB_OSABI_LINUX;
-      info.tdep_info = &data.id;
+      info.id = &data.id;
       data.gdbarch = gdbarch_find_by_info (info);
       if (!data.gdbarch)
        return 0;
@@ -1366,7 +1363,7 @@ ppu2spu_sniffer (const struct frame_unwind *self,
            = FRAME_OBSTACK_CALLOC (1, struct ppu2spu_cache);
 
          struct address_space *aspace = get_frame_address_space (this_frame);
-         struct regcache *regcache = regcache_xmalloc (data.gdbarch, aspace);
+         struct regcache *regcache = new regcache (data.gdbarch, aspace);
          struct cleanup *cleanups = make_cleanup_regcache_xfree (regcache);
          regcache_save (regcache, ppu2spu_unwind_register, &data);
          discard_cleanups (cleanups);
@@ -1455,7 +1452,7 @@ ppc_init_linux_record_tdep (struct linux_record_tdep *record_tdep,
       record_tdep->size_pollfd = 8;
       record_tdep->size_NFS_FHSIZE = 32;
       record_tdep->size_knfsd_fh = 132;
-      record_tdep->size_TASK_COMM_LEN = 32;
+      record_tdep->size_TASK_COMM_LEN = 16;
       record_tdep->size_sigaction = 32;
       record_tdep->size_sigset_t = 8;
       record_tdep->size_siginfo_t = 128;
@@ -1479,6 +1476,7 @@ ppc_init_linux_record_tdep (struct linux_record_tdep *record_tdep,
       record_tdep->size_serial_icounter_struct = 80;
       record_tdep->size_size_t = 8;
       record_tdep->size_iovec = 16;
+      record_tdep->size_time_t = 8;
     }
   else if (wordsize == 4)
     {
@@ -1521,7 +1519,7 @@ ppc_init_linux_record_tdep (struct linux_record_tdep *record_tdep,
       record_tdep->size_pollfd = 8;
       record_tdep->size_NFS_FHSIZE = 32;
       record_tdep->size_knfsd_fh = 132;
-      record_tdep->size_TASK_COMM_LEN = 32;
+      record_tdep->size_TASK_COMM_LEN = 16;
       record_tdep->size_sigaction = 20;
       record_tdep->size_sigset_t = 8;
       record_tdep->size_siginfo_t = 128;
@@ -1545,6 +1543,7 @@ ppc_init_linux_record_tdep (struct linux_record_tdep *record_tdep,
       record_tdep->size_serial_icounter_struct = 80;
       record_tdep->size_size_t = 4;
       record_tdep->size_iovec = 8;
+      record_tdep->size_time_t = 4;
     }
   else
     internal_error (__FILE__, __LINE__, _("unexpected wordsize"));
@@ -1626,13 +1625,31 @@ ppc_init_linux_record_tdep (struct linux_record_tdep *record_tdep,
   record_tdep->ioctl_FIOQSIZE = 0x40086680;
 }
 
+/* Return a floating-point format for a floating-point variable of
+   length LEN in bits.  If non-NULL, NAME is the name of its type.
+   If no suitable type is found, return NULL.  */
+
+const struct floatformat **
+ppc_floatformat_for_type (struct gdbarch *gdbarch,
+                          const char *name, int len)
+{
+  if (len == 128 && name)
+    if (strcmp (name, "__float128") == 0
+        || strcmp (name, "_Float128") == 0
+        || strcmp (name, "_Float64x") == 0
+        || strcmp (name, "complex _Float128") == 0
+        || strcmp (name, "complex _Float64x") == 0)
+      return floatformats_ia64_quad;
+
+  return default_floatformat_for_type (gdbarch, name, len);
+}
+
 static void
 ppc_linux_init_abi (struct gdbarch_info info,
                     struct gdbarch *gdbarch)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-  struct tdesc_arch_data *tdesc_data
-    = (struct tdesc_arch_data *) info.tdep_info;
+  struct tdesc_arch_data *tdesc_data = info.tdesc_data;
   static const char *const stap_integer_prefixes[] = { "i", NULL };
   static const char *const stap_register_indirection_prefixes[] = { "(",
                                                                    NULL };
@@ -1649,6 +1666,9 @@ ppc_linux_init_abi (struct gdbarch_info info,
   set_gdbarch_long_double_bit (gdbarch, 16 * TARGET_CHAR_BIT);
   set_gdbarch_long_double_format (gdbarch, floatformats_ibm_long_double);
 
+  /* Support for floating-point data type variants.  */
+  set_gdbarch_floatformat_for_type (gdbarch, ppc_floatformat_for_type);
+
   /* Handle inferior calls during interrupted system calls.  */
   set_gdbarch_write_pc (gdbarch, ppc_linux_write_pc);
 
@@ -1812,9 +1832,6 @@ ppc_linux_init_abi (struct gdbarch_info info,
   ppc_init_linux_record_tdep (&ppc64_linux_record_tdep, 8);
 }
 
-/* Provide a prototype to silence -Wmissing-prototypes.  */
-extern initialize_file_ftype _initialize_ppc_linux_tdep;
-
 void
 _initialize_ppc_linux_tdep (void)
 {