/* Target-dependent code for the HP PA-RISC architecture.
- Copyright (C) 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Copyright (C) 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
Free Software Foundation, Inc.
Contributed by the Center for Software Science at the
#include "completer.h"
#include "osabi.h"
#include "gdb_assert.h"
+#include "gdb_stdint.h"
#include "arch-utils.h"
/* For argument passing to the inferior */
#include "symtab.h"
#include "gdbcore.h"
#include "gdbcmd.h"
+#include "gdbtypes.h"
#include "objfiles.h"
#include "hppa-tdep.h"
{
if (hppa_debug)
fprintf_unfiltered (gdb_stdlog, "0x%s (cached) }\n",
- paddr_nz ((CORE_ADDR) ui->cache));
+ paddr_nz ((uintptr_t) ui->cache));
return ui->cache;
}
ui->cache = &ui->table[middle];
if (hppa_debug)
fprintf_unfiltered (gdb_stdlog, "0x%s }\n",
- paddr_nz ((CORE_ADDR) ui->cache));
+ paddr_nz ((uintptr_t) ui->cache));
return &ui->table[middle];
}
char buf[4];
int off;
- status = deprecated_read_memory_nobpt (pc, buf, 4);
+ status = read_memory_nobpt (pc, buf, 4);
if (status != 0)
return 0;
/* If a structure has to be returned, set up register 28 to hold its
address */
if (struct_return)
- write_register (28, struct_addr);
+ regcache_cooked_write_unsigned (regcache, 28, struct_addr);
gp = tdep->find_global_pointer (function);
if (gp != 0)
- write_register (19, gp);
+ regcache_cooked_write_unsigned (regcache, 19, gp);
/* Set the return address. */
if (!gdbarch_push_dummy_code_p (gdbarch))
}
CORE_ADDR
-hppa_read_pc (ptid_t ptid)
+hppa_read_pc (struct regcache *regcache)
{
ULONGEST ipsw;
- CORE_ADDR pc;
+ ULONGEST pc;
- ipsw = read_register_pid (HPPA_IPSW_REGNUM, ptid);
- pc = read_register_pid (HPPA_PCOQ_HEAD_REGNUM, ptid);
+ regcache_cooked_read_unsigned (regcache, HPPA_IPSW_REGNUM, &ipsw);
+ regcache_cooked_read_unsigned (regcache, HPPA_PCOQ_HEAD_REGNUM, &pc);
/* If the current instruction is nullified, then we are effectively
still executing the previous instruction. Pretend we are still
}
void
-hppa_write_pc (CORE_ADDR pc, ptid_t ptid)
+hppa_write_pc (struct regcache *regcache, CORE_ADDR pc)
{
- write_register_pid (HPPA_PCOQ_HEAD_REGNUM, pc, ptid);
- write_register_pid (HPPA_PCOQ_TAIL_REGNUM, pc + 4, ptid);
+ regcache_cooked_write_unsigned (regcache, HPPA_PCOQ_HEAD_REGNUM, pc);
+ regcache_cooked_write_unsigned (regcache, HPPA_PCOQ_TAIL_REGNUM, pc + 4);
}
/* return the alignment of a type in bytes. Structures have the maximum
old_save_sp = save_sp;
old_stack_remaining = stack_remaining;
- status = deprecated_read_memory_nobpt (pc, buf, 4);
+ status = read_memory_nobpt (pc, buf, 4);
inst = extract_unsigned_integer (buf, 4);
/* Yow! */
FIXME. Can still die if we have a mix of GR and FR argument
stores! */
- if (reg_num >= (TARGET_PTR_BIT == 64 ? 19 : 23) && reg_num <= 26)
+ if (reg_num >= (gdbarch_ptr_bit (current_gdbarch) == 64 ? 19 : 23)
+ && reg_num <= 26)
{
- while (reg_num >= (TARGET_PTR_BIT == 64 ? 19 : 23) && reg_num <= 26)
+ while (reg_num >= (gdbarch_ptr_bit (current_gdbarch) == 64 ? 19 : 23)
+ && reg_num <= 26)
{
pc += 4;
- status = deprecated_read_memory_nobpt (pc, buf, 4);
+ status = read_memory_nobpt (pc, buf, 4);
inst = extract_unsigned_integer (buf, 4);
if (status != 0)
return pc;
reg_num = inst_saves_fr (inst);
save_fr &= ~(1 << reg_num);
- status = deprecated_read_memory_nobpt (pc + 4, buf, 4);
+ status = read_memory_nobpt (pc + 4, buf, 4);
next_inst = extract_unsigned_integer (buf, 4);
/* Yow! */
save. */
if ((inst & 0xfc000000) == 0x34000000
&& inst_saves_fr (next_inst) >= 4
- && inst_saves_fr (next_inst) <= (TARGET_PTR_BIT == 64 ? 11 : 7))
+ && inst_saves_fr (next_inst)
+ <= (gdbarch_ptr_bit (current_gdbarch) == 64 ? 11 : 7))
{
/* So we drop into the code below in a reasonable state. */
reg_num = inst_saves_fr (next_inst);
This is a kludge as on the HP compiler sets this bit and it
never does prologue scheduling. So once we see one, skip past
all of them. */
- if (reg_num >= 4 && reg_num <= (TARGET_PTR_BIT == 64 ? 11 : 7))
+ if (reg_num >= 4
+ && reg_num <= (gdbarch_ptr_bit (current_gdbarch) == 64 ? 11 : 7))
{
- while (reg_num >= 4 && reg_num <= (TARGET_PTR_BIT == 64 ? 11 : 7))
+ while (reg_num >= 4
+ && reg_num
+ <= (gdbarch_ptr_bit (current_gdbarch) == 64 ? 11 : 7))
{
pc += 8;
- status = deprecated_read_memory_nobpt (pc, buf, 4);
+ status = read_memory_nobpt (pc, buf, 4);
inst = extract_unsigned_integer (buf, 4);
if (status != 0)
return pc;
if ((inst & 0xfc000000) != 0x34000000)
break;
- status = deprecated_read_memory_nobpt (pc + 4, buf, 4);
+ status = read_memory_nobpt (pc + 4, buf, 4);
next_inst = extract_unsigned_integer (buf, 4);
if (status != 0)
return pc;
return (skip_prologue_hard_way (pc, 1));
}
+/* Return an unwind entry that falls within the frame's code block. */
+static struct unwind_table_entry *
+hppa_find_unwind_entry_in_block (struct frame_info *f)
+{
+ CORE_ADDR pc = frame_unwind_address_in_block (f, NORMAL_FRAME);
+
+ /* FIXME drow/20070101: Calling gdbarch_addr_bits_remove on the
+ result of frame_unwind_address_in_block implies a problem.
+ The bits should have been removed earlier, before the return
+ value of frame_pc_unwind. That might be happening already;
+ if it isn't, it should be fixed. Then this call can be
+ removed. */
+ pc = gdbarch_addr_bits_remove (get_frame_arch (f), pc);
+ return find_unwind_entry (pc);
+}
+
struct hppa_frame_cache
{
CORE_ADDR base;
cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
/* Yow! */
- u = find_unwind_entry (frame_pc_unwind (next_frame));
+ u = hppa_find_unwind_entry_in_block (next_frame);
if (!u)
{
if (hppa_debug)
if ((u->Region_description & 0x2) == 0)
start_pc = u->region_start;
else
- start_pc = frame_func_unwind (next_frame);
+ start_pc = frame_func_unwind (next_frame, NORMAL_FRAME);
prologue_end = skip_prologue_hard_way (start_pc, 0);
end_pc = frame_pc_unwind (next_frame);
/* Both we're expecting the SP to be saved and the SP has been
saved. The entry SP value is saved at this frame's SP
address. */
- cache->base = read_memory_integer (this_sp, TARGET_PTR_BIT / 8);
+ cache->base = read_memory_integer
+ (this_sp, gdbarch_ptr_bit (current_gdbarch) / 8);
if (hppa_debug)
fprintf_unfiltered (gdb_stdlog, " (base=0x%s) [saved]",
{
/* Convert all the offsets into addresses. */
int reg;
- for (reg = 0; reg < NUM_REGS; reg++)
+ for (reg = 0; reg < gdbarch_num_regs (current_gdbarch); reg++)
{
if (trad_frame_addr_p (cache->saved_regs, reg))
cache->saved_regs[reg].addr += cache->base;
struct unwind_table_entry *u;
info = hppa_frame_cache (next_frame, this_cache);
- u = find_unwind_entry (pc);
+ u = hppa_find_unwind_entry_in_block (next_frame);
(*this_id) = frame_id_build (info->base, u->region_start);
}
static const struct frame_unwind *
hppa_frame_unwind_sniffer (struct frame_info *next_frame)
{
- CORE_ADDR pc = frame_pc_unwind (next_frame);
-
- if (find_unwind_entry (pc))
+ if (hppa_find_unwind_entry_in_block (next_frame))
return &hppa_frame_unwind;
return NULL;
(*this_cache) = cache;
cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
- start_pc = frame_func_unwind (next_frame);
+ start_pc = frame_func_unwind (next_frame, NORMAL_FRAME);
if (start_pc)
{
CORE_ADDR cur_pc = frame_pc_unwind (next_frame);
{
struct hppa_frame_cache *info =
hppa_fallback_frame_cache (next_frame, this_cache);
- (*this_id) = frame_id_build (info->base, frame_func_unwind (next_frame));
+ (*this_id) = frame_id_build (info->base,
+ frame_func_unwind (next_frame, NORMAL_FRAME));
}
static void
= hppa_stub_frame_unwind_cache (next_frame, this_prologue_cache);
if (info)
- *this_id = frame_id_build (info->base, frame_func_unwind (next_frame));
+ *this_id = frame_id_build (info->base,
+ frame_func_unwind (next_frame, NORMAL_FRAME));
else
*this_id = null_frame_id;
}
static const struct frame_unwind *
hppa_stub_unwind_sniffer (struct frame_info *next_frame)
{
- CORE_ADDR pc = frame_pc_unwind (next_frame);
+ CORE_ADDR pc = frame_unwind_address_in_block (next_frame, NORMAL_FRAME);
struct gdbarch *gdbarch = get_frame_arch (next_frame);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (pc == 0
|| (tdep->in_solib_call_trampoline != NULL
&& tdep->in_solib_call_trampoline (pc, NULL))
- || IN_SOLIB_RETURN_TRAMPOLINE (pc, NULL))
+ || gdbarch_in_solib_return_trampoline (current_gdbarch, pc, NULL))
return &hppa_stub_frame_unwind;
return NULL;
}
if (regnum < HPPA_FP4_REGNUM)
return builtin_type_uint32;
else
- return builtin_type_ieee_single_big;
+ return builtin_type_ieee_single;
}
static struct type *
if (regnum < HPPA64_FP4_REGNUM)
return builtin_type_uint64;
else
- return builtin_type_ieee_double_big;
+ return builtin_type_ieee_double;
}
/* Return non-zero if REGNUM is not a register available to the user
{
gdb_byte buf[HPPA_INSN_SIZE];
- deprecated_read_memory_nobpt (npc, buf, HPPA_INSN_SIZE);
+ read_memory_nobpt (npc, buf, HPPA_INSN_SIZE);
insn[i] = extract_unsigned_integer (buf, HPPA_INSN_SIZE);
if ((insn[i] & pattern[i].mask) == pattern[i].data)
npc += 4;
systems: $$dyncall, import stubs and PLT stubs. */
CORE_ADDR
-hppa_skip_trampoline_code (CORE_ADDR pc)
+hppa_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
{
unsigned int insn[HPPA_MAX_INSN_PATTERN_LEN];
int dp_rel;
/* $$dyncall handles both PLABELs and direct addresses. */
if (hppa_in_dyncall (pc))
{
- pc = read_register (HPPA_R0_REGNUM + 22);
+ pc = get_frame_register_unsigned (frame, HPPA_R0_REGNUM + 22);
/* PLABELs have bit 30 set; if it's a PLABEL, then dereference it. */
if (pc & 0x2)
pc = hppa_extract_21 (insn[0]) + hppa_extract_14 (insn[1]);
if (dp_rel)
- pc += read_register (HPPA_DP_REGNUM);
+ pc += get_frame_register_unsigned (frame, HPPA_DP_REGNUM);
else
- pc += read_register (HPPA_R0_REGNUM + 19);
+ pc += get_frame_register_unsigned (frame, HPPA_R0_REGNUM + 19);
/* fallthrough */
}
and LP64, but might show differences some day. */
set_gdbarch_long_long_bit (gdbarch, 64);
set_gdbarch_long_double_bit (gdbarch, 128);
- set_gdbarch_long_double_format (gdbarch, &floatformat_ia64_quad_big);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
/* The following gdbarch vector elements do not depend on the address
size, or in any other gdbarch element previously set. */