/* Print VAX instructions for GDB, the GNU debugger.
- Copyright 1986, 1989, 1991, 1992, 1995, 1996, 1998, 1999, 2000, 2002
+ Copyright 1986, 1989, 1991, 1992, 1995, 1996, 1998, 1999, 2000, 2002, 2003
Free Software Foundation, Inc.
This file is part of GDB.
#include "value.h"
#include "arch-utils.h"
#include "gdb_string.h"
+#include "osabi.h"
#include "vax-tdep.h"
static gdbarch_saved_pc_after_call_ftype vax_saved_pc_after_call;
static gdbarch_frame_num_args_ftype vax_frame_num_args;
static gdbarch_frame_chain_ftype vax_frame_chain;
-static gdbarch_frame_saved_pc_ftype vax_frame_saved_pc;
static gdbarch_frame_args_address_ftype vax_frame_args_address;
static gdbarch_frame_locals_address_ftype vax_frame_locals_address;
-static gdbarch_frame_init_saved_regs_ftype vax_frame_init_saved_regs;
static gdbarch_store_struct_return_ftype vax_store_struct_return;
static gdbarch_deprecated_extract_return_value_ftype vax_extract_return_value;
static gdbarch_deprecated_extract_struct_value_address_ftype
vax_extract_struct_value_address;
-static gdbarch_push_dummy_frame_ftype vax_push_dummy_frame;
-static gdbarch_pop_frame_ftype vax_pop_frame;
+static gdbarch_deprecated_push_dummy_frame_ftype vax_push_dummy_frame;
static gdbarch_fix_call_dummy_ftype vax_fix_call_dummy;
/* Return 1 if P points to an invalid floating point value.
int regnum, regmask;
CORE_ADDR next_addr;
- if (frame->saved_regs)
+ if (get_frame_saved_regs (frame))
return;
frame_saved_regs_zalloc (frame);
- regmask = read_memory_integer (frame->frame + 4, 4) >> 16;
+ regmask = read_memory_integer (get_frame_base (frame) + 4, 4) >> 16;
- next_addr = frame->frame + 16;
+ next_addr = get_frame_base (frame) + 16;
/* regmask's low bit is for register 0, which is the first one
what would be pushed. */
for (regnum = 0; regnum < VAX_AP_REGNUM; regnum++)
{
if (regmask & (1 << regnum))
- frame->saved_regs[regnum] = next_addr += 4;
+ get_frame_saved_regs (frame)[regnum] = next_addr += 4;
}
- frame->saved_regs[SP_REGNUM] = next_addr + 4;
+ get_frame_saved_regs (frame)[SP_REGNUM] = next_addr + 4;
if (regmask & (1 << FP_REGNUM))
- frame->saved_regs[SP_REGNUM] +=
+ get_frame_saved_regs (frame)[SP_REGNUM] +=
4 + (4 * read_memory_integer (next_addr + 4, 4));
- frame->saved_regs[PC_REGNUM] = frame->frame + 16;
- frame->saved_regs[FP_REGNUM] = frame->frame + 12;
- frame->saved_regs[VAX_AP_REGNUM] = frame->frame + 8;
- frame->saved_regs[PS_REGNUM] = frame->frame + 4;
+ get_frame_saved_regs (frame)[PC_REGNUM] = get_frame_base (frame) + 16;
+ get_frame_saved_regs (frame)[FP_REGNUM] = get_frame_base (frame) + 12;
+ get_frame_saved_regs (frame)[VAX_AP_REGNUM] = get_frame_base (frame) + 8;
+ get_frame_saved_regs (frame)[PS_REGNUM] = get_frame_base (frame) + 4;
}
/* Get saved user PC for sigtramp from sigcontext for BSD style sigtramp. */
buf = alloca (ptrbytes);
/* Get sigcontext address, it is the third parameter on the stack. */
- if (frame->next)
+ if (get_next_frame (frame))
sigcontext_addr = read_memory_typed_address
- (FRAME_ARGS_ADDRESS (frame->next) + FRAME_ARGS_SKIP + sigcontext_offs,
+ (FRAME_ARGS_ADDRESS (get_next_frame (frame))
+ + FRAME_ARGS_SKIP + sigcontext_offs,
builtin_type_void_data_ptr);
else
sigcontext_addr = read_memory_typed_address
if ((get_frame_type (frame) == SIGTRAMP_FRAME))
return (vax_sigtramp_saved_pc (frame)); /* XXXJRT */
- return (read_memory_integer (frame->frame + 16, 4));
+ return (read_memory_integer (get_frame_base (frame) + 16, 4));
}
CORE_ADDR
(which is one reason that "info frame" exists). So, return 0 (indicating
we don't know the address of the arglist) if we don't know what frame
this frame calls. */
- if (frame->next)
- return (read_memory_integer (frame->next->frame + 8, 4));
+ if (get_next_frame (frame))
+ return (read_memory_integer (get_frame_base (get_next_frame (frame)) + 8, 4));
return (0);
}
/* In most of GDB, getting the args address is too important to
just say "I don't know". This is sometimes wrong for functions
that aren't on top of the stack, but c'est la vie. */
- if (frame->next)
- return (read_memory_integer (frame->next->frame + 8, 4));
+ if (get_next_frame (frame))
+ return (read_memory_integer (get_frame_base (get_next_frame (frame)) + 8, 4));
return (read_register (VAX_AP_REGNUM));
}
static CORE_ADDR
vax_frame_locals_address (struct frame_info *frame)
{
- return (frame->frame);
+ return (get_frame_base (frame));
}
static int
{
/* In the case of the VAX, the frame's nominal address is the FP value,
and 12 bytes later comes the saved previous FP value as a 4-byte word. */
- if (inside_entry_file (frame->pc))
+ if (inside_entry_file (get_frame_pc (frame)))
return (0);
- return (read_memory_integer (frame->frame + 12, 4));
+ return (read_memory_integer (get_frame_base (frame) + 12, 4));
}
\f
static void
static CORE_ADDR
vax_saved_pc_after_call (struct frame_info *frame)
{
- return (FRAME_SAVED_PC(frame));
+ return (DEPRECATED_FRAME_SAVED_PC(frame));
}
\f
/* Print the vax instruction at address MEMADDR in debugged memory,
static struct gdbarch *
vax_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
- struct gdbarch_tdep *tdep;
struct gdbarch *gdbarch;
- enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
- /* Try to determine the ABI of the object we are loading. */
+ /* If there is already a candidate, use it. */
+ arches = gdbarch_list_lookup_by_info (arches, &info);
+ if (arches != NULL)
+ return arches->gdbarch;
- if (info.abfd != NULL)
- osabi = gdbarch_lookup_osabi (info.abfd);
+ gdbarch = gdbarch_alloc (&info, NULL);
- /* Find a candidate among extant architectures. */
- for (arches = gdbarch_list_lookup_by_info (arches, &info);
- arches != NULL;
- arches = gdbarch_list_lookup_by_info (arches->next, &info))
- {
- /* Make sure the ABI selection matches. */
- tdep = gdbarch_tdep (arches->gdbarch);
- if (tdep && tdep->osabi == osabi)
- return arches->gdbarch;
- }
-
- tdep = xmalloc (sizeof (struct gdbarch_tdep));
- gdbarch = gdbarch_alloc (&info, tdep);
-
- tdep->osabi = osabi;
+ /* NOTE: cagney/2002-12-06: This can be deleted when this arch is
+ ready to unwind the PC first (see frame.c:get_prev_frame()). */
+ set_gdbarch_deprecated_init_frame_pc (gdbarch, init_frame_pc_default);
/* Register info */
set_gdbarch_num_regs (gdbarch, VAX_NUM_REGS);
set_gdbarch_register_bytes (gdbarch, VAX_REGISTER_BYTES);
set_gdbarch_register_byte (gdbarch, vax_register_byte);
set_gdbarch_register_raw_size (gdbarch, vax_register_raw_size);
- set_gdbarch_max_register_raw_size (gdbarch, VAX_MAX_REGISTER_RAW_SIZE);
+ set_gdbarch_deprecated_max_register_raw_size (gdbarch, VAX_MAX_REGISTER_RAW_SIZE);
set_gdbarch_register_virtual_size (gdbarch, vax_register_virtual_size);
- set_gdbarch_max_register_virtual_size (gdbarch,
+ set_gdbarch_deprecated_max_register_virtual_size (gdbarch,
VAX_MAX_REGISTER_VIRTUAL_SIZE);
set_gdbarch_register_virtual_type (gdbarch, vax_register_virtual_type);
generic_frameless_function_invocation_not);
set_gdbarch_frame_chain (gdbarch, vax_frame_chain);
- set_gdbarch_frame_chain_valid (gdbarch, func_frame_chain_valid);
- set_gdbarch_frame_saved_pc (gdbarch, vax_frame_saved_pc);
+ set_gdbarch_deprecated_frame_saved_pc (gdbarch, vax_frame_saved_pc);
set_gdbarch_frame_args_address (gdbarch, vax_frame_args_address);
set_gdbarch_frame_locals_address (gdbarch, vax_frame_locals_address);
- set_gdbarch_frame_init_saved_regs (gdbarch, vax_frame_init_saved_regs);
+ set_gdbarch_deprecated_frame_init_saved_regs (gdbarch, vax_frame_init_saved_regs);
set_gdbarch_frame_args_skip (gdbarch, 4);
set_gdbarch_deprecated_extract_struct_value_address (gdbarch, vax_extract_struct_value_address);
/* Call dummy info */
- set_gdbarch_push_dummy_frame (gdbarch, vax_push_dummy_frame);
- set_gdbarch_pop_frame (gdbarch, vax_pop_frame);
+ set_gdbarch_deprecated_push_dummy_frame (gdbarch, vax_push_dummy_frame);
+ set_gdbarch_deprecated_pop_frame (gdbarch, vax_pop_frame);
set_gdbarch_call_dummy_location (gdbarch, ON_STACK);
set_gdbarch_call_dummy_p (gdbarch, 1);
set_gdbarch_call_dummy_words (gdbarch, vax_call_dummy_words);
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
/* Hook in ABI-specific overrides, if they have been registered. */
- gdbarch_init_osabi (info, gdbarch, osabi);
+ gdbarch_init_osabi (info, gdbarch);
return (gdbarch);
}
-static void
-vax_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-
- if (tdep == NULL)
- return;
-
- fprintf_unfiltered (file, "vax_dump_tdep: OS ABI = %s\n",
- gdbarch_osabi_name (tdep->osabi));
-}
-
void
_initialize_vax_tdep (void)
{
- gdbarch_register (bfd_arch_vax, vax_gdbarch_init, vax_dump_tdep);
+ gdbarch_register (bfd_arch_vax, vax_gdbarch_init, NULL);
tm_print_insn = vax_print_insn;
}
projects / deliverable / binutils-gdb.git / blobdiff