#include "defs.h"
#include "gdbcore.h"
+#include "regcache.h"
#include "value.h"
-#include "solib-svr4.h"
#include "alpha-tdep.h"
+#include "alphabsd-tdep.h"
+#include "nbsd-tdep.h"
-/* Fetch (and possibly build) an appropriate link_map_offsets
- structure for NetBSD/alpha targets using the struct offsets
- defined in <link.h> (but without actual reference to that file).
-
- This makes it possible to access NetBSD/alpha shared libraries
- from a GDB that was not built on a NetBSD/alpha host (for cross
- debugging). */
-
-static struct link_map_offsets *
-alphanbsd_solib_svr4_fetch_link_map_offsets (void)
+static void
+fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
+ CORE_ADDR ignore)
{
- static struct link_map_offsets lmo;
- static struct link_map_offsets *lmp = NULL;
-
- if (lmp == NULL)
+ char *regs, *fpregs;
+ int regno;
+
+ /* Table to map a gdb register number to a trapframe register index. */
+ static const int regmap[] =
+ {
+ 0, 1, 2, 3,
+ 4, 5, 6, 7,
+ 8, 9, 10, 11,
+ 12, 13, 14, 15,
+ 30, 31, 32, 16,
+ 17, 18, 19, 20,
+ 21, 22, 23, 24,
+ 25, 29, 26
+ };
+#define SIZEOF_TRAPFRAME (33 * 8)
+
+ /* We get everything from one section. */
+ if (which != 0)
+ return;
+
+ regs = core_reg_sect;
+ fpregs = core_reg_sect + SIZEOF_TRAPFRAME;
+
+ if (core_reg_size < (SIZEOF_TRAPFRAME + SIZEOF_STRUCT_FPREG))
{
- lmp = &lmo;
-
- lmo.r_debug_size = 32;
-
- lmo.r_map_offset = 8;
- lmo.r_map_size = 8;
-
- lmo.link_map_size = 40;
-
- lmo.l_addr_offset = 0;
- lmo.l_addr_size = 8;
+ warning ("Wrong size register set in core file.");
+ return;
+ }
- lmo.l_name_offset = 8;
- lmo.l_name_size = 8;
+ /* Integer registers. */
+ for (regno = 0; regno < ALPHA_ZERO_REGNUM; regno++)
+ supply_register (regno, regs + (regmap[regno] * 8));
+ supply_register (ALPHA_ZERO_REGNUM, NULL);
+ supply_register (FP_REGNUM, NULL);
+ supply_register (PC_REGNUM, regs + (28 * 8));
- lmo.l_next_offset = 24;
- lmo.l_next_size = 8;
+ /* Floating point registers. */
+ alphabsd_supply_fpreg (fpregs, -1);
+}
- lmo.l_prev_offset = 32;
- lmo.l_prev_size = 8;
+static void
+fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size, int which,
+ CORE_ADDR ignore)
+{
+ switch (which)
+ {
+ case 0: /* Integer registers. */
+ if (core_reg_size != SIZEOF_STRUCT_REG)
+ warning ("Wrong size register set in core file.");
+ else
+ alphabsd_supply_reg (core_reg_sect, -1);
+ break;
+
+ case 2: /* Floating point registers. */
+ if (core_reg_size != SIZEOF_STRUCT_FPREG)
+ warning ("Wrong size FP register set in core file.");
+ else
+ alphabsd_supply_fpreg (core_reg_sect, -1);
+ break;
+
+ default:
+ /* Don't know what kind of register request this is; just ignore it. */
+ break;
}
-
- return lmp;
}
+static struct core_fns alphanbsd_core_fns =
+{
+ bfd_target_unknown_flavour, /* core_flavour */
+ default_check_format, /* check_format */
+ default_core_sniffer, /* core_sniffer */
+ fetch_core_registers, /* core_read_registers */
+ NULL /* next */
+};
+
+static struct core_fns alphanbsd_elfcore_fns =
+{
+ bfd_target_elf_flavour, /* core_flavour */
+ default_check_format, /* check_format */
+ default_core_sniffer, /* core_sniffer */
+ fetch_elfcore_registers, /* core_read_registers */
+ NULL /* next */
+};
+
/* Under NetBSD/alpha, signal handler invocations can be identified by the
designated code sequence that is used to return from a signal handler.
In particular, the return address of a signal handler points to the
set_gdbarch_software_single_step (gdbarch, alpha_software_single_step);
set_solib_svr4_fetch_link_map_offsets (gdbarch,
- alphanbsd_solib_svr4_fetch_link_map_offsets);
+ nbsd_lp64_solib_svr4_fetch_link_map_offsets);
tdep->dynamic_sigtramp_offset = alphanbsd_sigtramp_offset;
+
+ tdep->jb_pc = 2;
+ tdep->jb_elt_size = 8;
}
void
_initialize_alphanbsd_tdep (void)
{
alpha_gdbarch_register_os_abi (ALPHA_ABI_NETBSD, alphanbsd_init_abi);
+
+ add_core_fns (&alphanbsd_core_fns);
+ add_core_fns (&alphanbsd_elfcore_fns);
}