Remove Cell Broadband Engine debugging support

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

diff --git a/gdb/gdbserver/linux-ppc-low.c b/gdb/gdbserver/linux-ppc-low.c
index 8a0965bd20aeb45306a9fd6f5695dc36ae767e89..c0622825ad057db7f29999533c4f8df33bfa633b 100644 (file)
--- a/gdb/gdbserver/linux-ppc-low.c
+++ b/gdb/gdbserver/linux-ppc-low.c
@@ -220,73 +220,10 @@ ppc_supply_ptrace_register (struct regcache *regcache,
     perror_with_name ("Unexpected byte order");
 }
 
-
-#define INSTR_SC        0x44000002
-#define NR_spu_run      0x0116
-
-/* If the PPU thread is currently stopped on a spu_run system call,
-   return to FD and ADDR the file handle and NPC parameter address
-   used with the system call.  Return non-zero if successful.  */
-static int
-parse_spufs_run (struct regcache *regcache, int *fd, CORE_ADDR *addr)
-{
-  CORE_ADDR curr_pc;
-  int curr_insn;
-  int curr_r0;
-
-  if (register_size (regcache->tdesc, 0) == 4)
-    {
-      unsigned int pc, r0, r3, r4;
-      collect_register_by_name (regcache, "pc", &pc);
-      collect_register_by_name (regcache, "r0", &r0);
-      collect_register_by_name (regcache, "orig_r3", &r3);
-      collect_register_by_name (regcache, "r4", &r4);
-      curr_pc = (CORE_ADDR) pc;
-      curr_r0 = (int) r0;
-      *fd = (int) r3;
-      *addr = (CORE_ADDR) r4;
-    }
-  else
-    {
-      unsigned long pc, r0, r3, r4;
-      collect_register_by_name (regcache, "pc", &pc);
-      collect_register_by_name (regcache, "r0", &r0);
-      collect_register_by_name (regcache, "orig_r3", &r3);
-      collect_register_by_name (regcache, "r4", &r4);
-      curr_pc = (CORE_ADDR) pc;
-      curr_r0 = (int) r0;
-      *fd = (int) r3;
-      *addr = (CORE_ADDR) r4;
-    }
-
-  /* Fetch instruction preceding current NIP.  */
-  if ((*the_target->read_memory) (curr_pc - 4,
-                                 (unsigned char *) &curr_insn, 4) != 0)
-    return 0;
-  /* It should be a "sc" instruction.  */
-  if (curr_insn != INSTR_SC)
-    return 0;
-  /* System call number should be NR_spu_run.  */
-  if (curr_r0 != NR_spu_run)
-    return 0;
-
-  return 1;
-}
-
 static CORE_ADDR
 ppc_get_pc (struct regcache *regcache)
 {
-  CORE_ADDR addr;
-  int fd;
-
-  if (parse_spufs_run (regcache, &fd, &addr))
-    {
-      unsigned int pc;
-      (*the_target->read_memory) (addr, (unsigned char *) &pc, 4);
-      return ((CORE_ADDR)1 << 63)
-       | ((CORE_ADDR)fd << 32) | (CORE_ADDR) (pc - 4);
-    }
-  else if (register_size (regcache->tdesc, 0) == 4)
+  if (register_size (regcache->tdesc, 0) == 4)
     {
       unsigned int pc;
       collect_register_by_name (regcache, "pc", &pc);
@@ -303,15 +240,7 @@ ppc_get_pc (struct regcache *regcache)
 static void
 ppc_set_pc (struct regcache *regcache, CORE_ADDR pc)
 {
-  CORE_ADDR addr;
-  int fd;
-
-  if (parse_spufs_run (regcache, &fd, &addr))
-    {
-      unsigned int newpc = pc;
-      (*the_target->write_memory) (addr, (unsigned char *) &newpc, 4);
-    }
-  else if (register_size (regcache->tdesc, 0) == 4)
+  if (register_size (regcache->tdesc, 0) == 4)
     {
       unsigned int newpc = pc;
       supply_register_by_name (regcache, "pc", &newpc);
@@ -348,23 +277,11 @@ ppc_breakpoint_at (CORE_ADDR where)
 {
   unsigned int insn;
 
-  if (where & ((CORE_ADDR)1 << 63))
-    {
-      char mem_annex[32];
-      sprintf (mem_annex, "%d/mem", (int)((where >> 32) & 0x7fffffff));
-      (*the_target->qxfer_spu) (mem_annex, (unsigned char *) &insn,
-                               NULL, where & 0xffffffff, 4);
-      if (insn == 0x3fff)
-       return 1;
-    }
-  else
-    {
-      (*the_target->read_memory) (where, (unsigned char *) &insn, 4);
-      if (insn == ppc_breakpoint)
-       return 1;
-      /* If necessary, recognize more trap instructions here.  GDB only uses
-        the one.  */
-    }
+  (*the_target->read_memory) (where, (unsigned char *) &insn, 4);
+  if (insn == ppc_breakpoint)
+    return 1;
+  /* If necessary, recognize more trap instructions here.  GDB only uses
+     the one.  */
 
   return 0;
 }
@@ -941,9 +858,6 @@ ppc_arch_setup (void)
        }
     }
 
-  if (ppc_hwcap & PPC_FEATURE_CELL)
-    features.cell = true;
-
   tdesc = ppc_linux_match_description (features);
 
   /* On 32-bit machines, check for SPE registers.
@@ -3416,8 +3330,6 @@ ppc_get_ipa_tdesc_idx (void)
     return PPC_TDESC_BASE;
   if (tdesc == tdesc_powerpc_altivec64l)
     return PPC_TDESC_ALTIVEC;
-  if (tdesc == tdesc_powerpc_cell64l)
-    return PPC_TDESC_CELL;
   if (tdesc == tdesc_powerpc_vsx64l)
     return PPC_TDESC_VSX;
   if (tdesc == tdesc_powerpc_isa205_64l)
@@ -3438,8 +3350,6 @@ ppc_get_ipa_tdesc_idx (void)
     return PPC_TDESC_BASE;
   if (tdesc == tdesc_powerpc_altivec32l)
     return PPC_TDESC_ALTIVEC;
-  if (tdesc == tdesc_powerpc_cell32l)
-    return PPC_TDESC_CELL;
   if (tdesc == tdesc_powerpc_vsx32l)
     return PPC_TDESC_VSX;
   if (tdesc == tdesc_powerpc_isa205_32l)
@@ -3507,7 +3417,6 @@ initialize_low_arch (void)
 
   init_registers_powerpc_32l ();
   init_registers_powerpc_altivec32l ();
-  init_registers_powerpc_cell32l ();
   init_registers_powerpc_vsx32l ();
   init_registers_powerpc_isa205_32l ();
   init_registers_powerpc_isa205_altivec32l ();
@@ -3519,7 +3428,6 @@ initialize_low_arch (void)
 #if __powerpc64__
   init_registers_powerpc_64l ();
   init_registers_powerpc_altivec64l ();
-  init_registers_powerpc_cell64l ();
   init_registers_powerpc_vsx64l ();
   init_registers_powerpc_isa205_64l ();
   init_registers_powerpc_isa205_altivec64l ();