Use setjmp/longjmp for TRY/CATCH instead of sigsetjmp/siglongjmp

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

diff --git a/gdb/gdbserver/linux-tile-low.c b/gdb/gdbserver/linux-tile-low.c
index e7c7d112ca7c0faa6597f9662c885a77bf5b660e..45d63d63f16fa419cdd69d5896aab7178d1610be 100644 (file)
--- a/gdb/gdbserver/linux-tile-low.c
+++ b/gdb/gdbserver/linux-tile-low.c
@@ -1,6 +1,6 @@
 /* GNU/Linux/TILE-Gx specific low level interface, GDBserver.
 
-   Copyright (C) 2012 Free Software Foundation, Inc.
+   Copyright (C) 2012-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,10 +20,16 @@
 #include "server.h"
 #include "linux-low.h"
 
-#include <sys/ptrace.h>
+#include <arch/abi.h>
+#include "nat/gdb_ptrace.h"
 
-/* Defined in auto-generated file reg-tile.c.  */
-void init_registers_tile (void);
+/* Defined in auto-generated file reg-tilegx.c.  */
+void init_registers_tilegx (void);
+extern const struct target_desc *tdesc_tilegx;
+
+/* Defined in auto-generated file reg-tilegx32.c.  */
+void init_registers_tilegx32 (void);
+extern const struct target_desc *tdesc_tilegx32;
 
 #define tile_num_regs 65
 
@@ -62,26 +68,18 @@ tile_cannot_store_register (int regno)
     return 1;
 }
 
-static CORE_ADDR
-tile_get_pc (struct regcache *regcache)
-{
-  unsigned long pc;
+static uint64_t tile_breakpoint = 0x400b3cae70166000ULL;
+#define tile_breakpoint_len 8
 
-  collect_register_by_name (regcache, "pc", &pc);
-  return pc;
-}
+/* Implementation of linux_target_ops method "sw_breakpoint_from_kind".  */
 
-static void
-tile_set_pc (struct regcache *regcache, CORE_ADDR pc)
+static const gdb_byte *
+tile_sw_breakpoint_from_kind (int kind, int *size)
 {
-  unsigned long newpc = pc;
-
-  supply_register_by_name (regcache, "pc", &newpc);
+  *size = tile_breakpoint_len;
+  return (const gdb_byte *) &tile_breakpoint;
 }
 
-static uint64_t tile_breakpoint = 0x400b3cae70166000ULL;
-#define tile_breakpoint_len 8
-
 static int
 tile_breakpoint_at (CORE_ADDR where)
 {
@@ -103,7 +101,7 @@ tile_fill_gregset (struct regcache *regcache, void *buf)
 
   for (i = 0; i < tile_num_regs; i++)
     if (tile_regmap[i] != -1)
-      collect_register (regcache, i, ((unsigned int *) buf) + tile_regmap[i]);
+      collect_register (regcache, i, ((uint_reg_t *) buf) + tile_regmap[i]);
 }
 
 static void
@@ -113,30 +111,110 @@ tile_store_gregset (struct regcache *regcache, const void *buf)
 
   for (i = 0; i < tile_num_regs; i++)
     if (tile_regmap[i] != -1)
-      supply_register (regcache, i, ((unsigned long *) buf) + tile_regmap[i]);
+      supply_register (regcache, i, ((uint_reg_t *) buf) + tile_regmap[i]);
 }
 
-struct regset_info target_regsets[] =
+static struct regset_info tile_regsets[] =
 {
-  { PTRACE_GETREGS, PTRACE_SETREGS, 0, tile_num_regs * 4,
+  { PTRACE_GETREGS, PTRACE_SETREGS, 0, tile_num_regs * 8,
     GENERAL_REGS, tile_fill_gregset, tile_store_gregset },
-  { 0, 0, 0, -1, -1, NULL, NULL }
+  NULL_REGSET
 };
 
+static struct regsets_info tile_regsets_info =
+  {
+    tile_regsets, /* regsets */
+    0, /* num_regsets */
+    NULL, /* disabled_regsets */
+  };
+
+static struct usrregs_info tile_usrregs_info =
+  {
+    tile_num_regs,
+    tile_regmap,
+  };
+
+static struct regs_info regs_info =
+  {
+    NULL, /* regset_bitmap */
+    &tile_usrregs_info,
+    &tile_regsets_info,
+  };
+
+static const struct regs_info *
+tile_regs_info (void)
+{
+  return &regs_info;
+}
+
+static void
+tile_arch_setup (void)
+{
+  int pid = pid_of (current_thread);
+  unsigned int machine;
+  int is_elf64 = linux_pid_exe_is_elf_64_file (pid, &machine);
+
+  if (sizeof (void *) == 4)
+    if (is_elf64 > 0)
+      error (_("Can't debug 64-bit process with 32-bit GDBserver"));
+
+  if (!is_elf64)
+    current_process ()->tdesc = tdesc_tilegx32;
+  else
+    current_process ()->tdesc = tdesc_tilegx;
+}
+
+/* Support for hardware single step.  */
+
+static int
+tile_supports_hardware_single_step (void)
+{
+  return 1;
+}
+
+
 struct linux_target_ops the_low_target =
 {
-  init_registers_tile,
-  tile_num_regs,
-  tile_regmap,
-  NULL,
+  tile_arch_setup,
+  tile_regs_info,
   tile_cannot_fetch_register,
   tile_cannot_store_register,
   NULL,
-  tile_get_pc,
-  tile_set_pc,
-  (const unsigned char *) &tile_breakpoint,
-  tile_breakpoint_len,
+  linux_get_pc_64bit,
+  linux_set_pc_64bit,
+  NULL, /* breakpoint_kind_from_pc */
+  tile_sw_breakpoint_from_kind,
   NULL,
   0,
   tile_breakpoint_at,
+  NULL, /* supports_z_point_type */
+  NULL, /* insert_point */
+  NULL, /* remove_point */
+  NULL, /* stopped_by_watchpoint */
+  NULL, /* stopped_data_address */
+  NULL, /* collect_ptrace_register */
+  NULL, /* supply_ptrace_register */
+  NULL, /* siginfo_fixup */
+  NULL, /* new_process */
+  NULL, /* new_thread */
+  NULL, /* new_fork */
+  NULL, /* prepare_to_resume */
+  NULL, /* process_qsupported */
+  NULL, /* supports_tracepoints */
+  NULL, /* get_thread_area */
+  NULL, /* install_fast_tracepoint_jump_pad */
+  NULL, /* emit_ops */
+  NULL, /* get_min_fast_tracepoint_insn_len */
+  NULL, /* supports_range_stepping */
+  NULL, /* breakpoint_kind_from_current_state */
+  tile_supports_hardware_single_step,
 };
+
+void
+initialize_low_arch (void)
+{
+  init_registers_tilegx32();
+  init_registers_tilegx();
+
+  initialize_regsets_info (&tile_regsets_info);
+}