/* 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"
table[i].Millicode = (tmp >> 30) & 0x1;
table[i].Millicode_save_sr0 = (tmp >> 29) & 0x1;
table[i].Region_description = (tmp >> 27) & 0x3;
- table[i].reserved1 = (tmp >> 26) & 0x1;
+ table[i].reserved = (tmp >> 26) & 0x1;
table[i].Entry_SR = (tmp >> 25) & 0x1;
table[i].Entry_FR = (tmp >> 21) & 0xf;
table[i].Entry_GR = (tmp >> 16) & 0x1f;
table[i].Frame_Extension_Millicode = (tmp >> 12) & 0x1;
table[i].Stack_Overflow_Check = (tmp >> 11) & 0x1;
table[i].Two_Instruction_SP_Increment = (tmp >> 10) & 0x1;
- table[i].Ada_Region = (tmp >> 9) & 0x1;
+ table[i].sr4export = (tmp >> 9) & 0x1;
table[i].cxx_info = (tmp >> 8) & 0x1;
table[i].cxx_try_catch = (tmp >> 7) & 0x1;
table[i].sched_entry_seq = (tmp >> 6) & 0x1;
- table[i].reserved2 = (tmp >> 5) & 0x1;
+ table[i].reserved1 = (tmp >> 5) & 0x1;
table[i].Save_SP = (tmp >> 4) & 0x1;
table[i].Save_RP = (tmp >> 3) & 0x1;
table[i].Save_MRP_in_frame = (tmp >> 2) & 0x1;
- table[i].extn_ptr_defined = (tmp >> 1) & 0x1;
+ table[i].save_r19 = (tmp >> 1) & 0x1;
table[i].Cleanup_defined = tmp & 0x1;
tmp = bfd_get_32 (objfile->obfd, (bfd_byte *) buf);
buf += 4;
table[i].MPE_XL_interrupt_marker = (tmp >> 31) & 0x1;
table[i].HP_UX_interrupt_marker = (tmp >> 30) & 0x1;
table[i].Large_frame = (tmp >> 29) & 0x1;
- table[i].Pseudo_SP_Set = (tmp >> 28) & 0x1;
- table[i].reserved4 = (tmp >> 27) & 0x1;
+ table[i].alloca_frame = (tmp >> 28) & 0x1;
+ table[i].reserved2 = (tmp >> 27) & 0x1;
table[i].Total_frame_size = tmp & 0x7ffffff;
/* Stub unwinds are handled elsewhere. */
{
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;
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! */
while (reg_num >= (TARGET_PTR_BIT == 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! */
while (reg_num >= 4 && reg_num <= (TARGET_PTR_BIT == 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)
GCC code. */
{
int final_iteration = 0;
- CORE_ADDR pc, end_pc;
+ CORE_ADDR pc, start_pc, end_pc;
int looking_for_sp = u->Save_SP;
int looking_for_rp = u->Save_RP;
int fp_loc = -1;
/* We used to use frame_func_unwind () to locate the beginning of the
function to pass to skip_prologue (). However, when objects are
compiled without debug symbols, frame_func_unwind can return the wrong
- function (or 0). We can do better than that by using unwind records. */
+ function (or 0). We can do better than that by using unwind records.
+ This only works if the Region_description of the unwind record
+ indicates that it includes the entry point of the function.
+ HP compilers sometimes generate unwind records for regions that
+ do not include the entry or exit point of a function. GNU tools
+ do not do this. */
+
+ if ((u->Region_description & 0x2) == 0)
+ start_pc = u->region_start;
+ else
+ start_pc = frame_func_unwind (next_frame, NORMAL_FRAME);
- prologue_end = skip_prologue_hard_way (u->region_start, 0);
+ prologue_end = skip_prologue_hard_way (start_pc, 0);
end_pc = frame_pc_unwind (next_frame);
if (prologue_end != 0 && end_pc > prologue_end)
frame_size = 0;
- for (pc = u->region_start;
+ for (pc = start_pc;
((saved_gr_mask || saved_fr_mask
|| looking_for_sp || looking_for_rp
|| frame_size < (u->Total_frame_size << 3))
instead of Save_SP. */
fp = frame_unwind_register_unsigned (next_frame, HPPA_FP_REGNUM);
+
+ if (u->alloca_frame)
+ fp -= u->Total_frame_size << 3;
if (frame_pc_unwind (next_frame) >= prologue_end
- && u->Save_SP && fp != 0)
+ && (u->Save_SP || u->alloca_frame) && fp != 0)
{
cache->base = fp;
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);
pif (Frame_Extension_Millicode);
pif (Stack_Overflow_Check);
pif (Two_Instruction_SP_Increment);
- pif (Ada_Region);
+ pif (sr4export);
+ pif (cxx_info);
+ pif (cxx_try_catch);
+ pif (sched_entry_seq);
pif (Save_SP);
pif (Save_RP);
pif (Save_MRP_in_frame);
- pif (extn_ptr_defined);
+ pif (save_r19);
pif (Cleanup_defined);
pif (MPE_XL_interrupt_marker);
pif (HP_UX_interrupt_marker);
pif (Large_frame);
+ pif (alloca_frame);
putchar_unfiltered ('\n');
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;
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. */