GDB 7.6.50

gdb/sparc-ravenscar-thread.c

Index: gdb/sparc-ravenscar-thread.c
diff --git a/gdb/ravenscar-sparc-thread.c b/gdb/sparc-ravenscar-thread.c
similarity index 84%
rename from gdb/ravenscar-sparc-thread.c
rename to gdb/sparc-ravenscar-thread.c
index 9132109d62bedf6c502837c465ecb5cf00510691..d27514fc7f5259f90782ec83afa2c3be183ba109 100644
--- a/gdb/ravenscar-sparc-thread.c
+++ b/gdb/sparc-ravenscar-thread.c
@@ -1,6 +1,6 @@
 /* Ravenscar SPARC target support.
 
-   Copyright 2004, 2010-2012 Free Software Foundation, Inc.
+   Copyright (C) 2004-2013 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -23,14 +23,13 @@
 #include "sparc-tdep.h"
 #include "inferior.h"
 #include "ravenscar-thread.h"
+#include "sparc-ravenscar-thread.h"
 
-static struct ravenscar_arch_ops ravenscar_sparc_ops;
-
-static void ravenscar_sparc_fetch_registers (struct regcache *regcache,
+static void sparc_ravenscar_fetch_registers (struct regcache *regcache,
                                              int regnum);
-static void ravenscar_sparc_store_registers (struct regcache *regcache,
+static void sparc_ravenscar_store_registers (struct regcache *regcache,
                                              int regnum);
-static void ravenscar_sparc_prepare_to_store (struct regcache *regcache);
+static void sparc_ravenscar_prepare_to_store (struct regcache *regcache);
 
 /* Register offsets from a referenced address (exempli gratia the
    Thread_Descriptor).  The referenced address depends on the register
@@ -65,9 +64,9 @@ supply_register_at_address (struct regcache *regcache, int regnum,
 {
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
   int buf_size = register_size (gdbarch, regnum);
-  char *buf;
+  gdb_byte *buf;
 
-  buf = (char *) alloca (buf_size);
+  buf = alloca (buf_size);
   read_memory (register_addr, buf, buf_size);
   regcache_raw_supply (regcache, regnum, buf);
 }
@@ -102,7 +101,7 @@ register_in_thread_descriptor_p (int regnum)
    thread.  */
 
 static void
-ravenscar_sparc_fetch_registers (struct regcache *regcache, int regnum)
+sparc_ravenscar_fetch_registers (struct regcache *regcache, int regnum)
 {
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
   const int sp_regnum = gdbarch_sp_regnum (gdbarch);
@@ -112,12 +111,16 @@ ravenscar_sparc_fetch_registers (struct regcache *regcache, int regnum)
   CORE_ADDR thread_descriptor_address;
   ULONGEST stack_address;
 
+  /* The tid is the thread_id field, which is a pointer to the thread.  */
   thread_descriptor_address = (CORE_ADDR) ptid_get_tid (inferior_ptid);
+
+  /* Read the saved SP in the context buffer.  */
   current_address = thread_descriptor_address
     + sparc_register_offsets [sp_regnum];
   supply_register_at_address (regcache, sp_regnum, current_address);
   regcache_cooked_read_unsigned (regcache, sp_regnum, &stack_address);
 
+  /* Read registers.  */
   for (current_regnum = 0; current_regnum < num_regs; current_regnum ++)
     {
       if (register_in_thread_descriptor_p (current_regnum))
@@ -141,7 +144,7 @@ ravenscar_sparc_fetch_registers (struct regcache *regcache, int regnum)
    thread.  */
 
 static void
-ravenscar_sparc_prepare_to_store (struct regcache *regcache)
+sparc_ravenscar_prepare_to_store (struct regcache *regcache)
 {
   /* Nothing to do.  */
 }
@@ -150,11 +153,11 @@ ravenscar_sparc_prepare_to_store (struct regcache *regcache)
    thread.  */
 
 static void
-ravenscar_sparc_store_registers (struct regcache *regcache, int regnum)
+sparc_ravenscar_store_registers (struct regcache *regcache, int regnum)
 {
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
   int buf_size = register_size (gdbarch, regnum);
-  char buf [buf_size];
+  gdb_byte buf[buf_size];
   ULONGEST register_address;
 
   if (register_in_thread_descriptor_p (regnum))
@@ -175,14 +178,17 @@ ravenscar_sparc_store_registers (struct regcache *regcache, int regnum)
                 buf_size);
 }
 
-/* Provide a prototype to silence -Wmissing-prototypes.  */
-extern void _initialize_ravenscar_sparc (void);
+static struct ravenscar_arch_ops sparc_ravenscar_ops =
+{
+  sparc_ravenscar_fetch_registers,
+  sparc_ravenscar_store_registers,
+  sparc_ravenscar_prepare_to_store
+};
+
+/* Register ravenscar_arch_ops in GDBARCH.  */
 
 void
-_initialize_ravenscar_sparc (void)
+register_sparc_ravenscar_ops (struct gdbarch *gdbarch)
 {
-  ravenscar_sparc_ops.to_fetch_registers = ravenscar_sparc_fetch_registers;
-  ravenscar_sparc_ops.to_store_registers = ravenscar_sparc_store_registers;
-  ravenscar_sparc_ops.to_prepare_to_store = ravenscar_sparc_prepare_to_store;
-  ravenscar_register_arch_ops (&ravenscar_sparc_ops);
+  set_gdbarch_ravenscar_ops (gdbarch, &sparc_ravenscar_ops);
 }