/* Target-dependent code for GNU/Linux running on PA-RISC, for GDB.
- Copyright (C) 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
This file is part of GDB.
When the match is successful, fill INSN[i] with what PATTERN[i]
matched. */
static int
-insns_match_pattern (CORE_ADDR pc,
+insns_match_pattern (struct gdbarch *gdbarch, CORE_ADDR pc,
struct insn_pattern *pattern,
unsigned int *insn)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int i;
CORE_ADDR npc = pc;
char buf[4];
target_read_memory (npc, buf, 4);
- insn[i] = extract_unsigned_integer (buf, 4);
+ insn[i] = extract_unsigned_integer (buf, 4, byte_order);
if ((insn[i] & pattern[i].mask) == pattern[i].data)
npc += 4;
else
Note that with a 2.4 64-bit kernel, the signal context is not properly
passed back to userspace so the unwind will not work correctly. */
static CORE_ADDR
-hppa_linux_sigtramp_find_sigcontext (CORE_ADDR pc)
+hppa_linux_sigtramp_find_sigcontext (struct gdbarch *gdbarch, CORE_ADDR pc)
{
unsigned int dummy[HPPA_MAX_INSN_PATTERN_LEN];
int offs = 0;
for (try = 0; try < ARRAY_SIZE (pcoffs); try++)
{
- if (insns_match_pattern (sp + pcoffs[try], hppa_sigtramp, dummy))
+ if (insns_match_pattern (gdbarch, sp + pcoffs[try],
+ hppa_sigtramp, dummy))
{
offs = sfoffs[try];
break;
if (offs == 0)
{
- if (insns_match_pattern (pc, hppa_sigtramp, dummy))
+ if (insns_match_pattern (gdbarch, pc, hppa_sigtramp, dummy))
{
/* sigaltstack case: we have no way of knowing which offset to
use in this case; default to new kernel handling. If this is
info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
pc = get_frame_pc (this_frame);
- scptr = hppa_linux_sigtramp_find_sigcontext (pc);
+ scptr = hppa_linux_sigtramp_find_sigcontext (gdbarch, pc);
/* structure of struct sigcontext:
/* Skip sc_flags. */
scptr += 4;
- /* GR[0] is the psw, we don't restore that. */
+ /* GR[0] is the psw. */
+ info->saved_regs[HPPA_IPSW_REGNUM].addr = scptr;
scptr += 4;
/* General registers. */
scptr += 4;
}
- /* Pad. */
+ /* Pad to long long boundary. */
scptr += 4;
/* FP regs; FP0-3 are not restored. */
info->saved_regs[HPPA_PCOQ_TAIL_REGNUM].addr = scptr;
scptr += 4;
+ info->saved_regs[HPPA_SAR_REGNUM].addr = scptr;
+
info->base = get_frame_register_unsigned (this_frame, HPPA_SP_REGNUM);
return info;
struct frame_info *this_frame,
void **this_prologue_cache)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
CORE_ADDR pc = get_frame_pc (this_frame);
- if (hppa_linux_sigtramp_find_sigcontext (pc))
+ if (hppa_linux_sigtramp_find_sigcontext (gdbarch, pc))
return 1;
return 0;
static CORE_ADDR
hppa_linux_find_global_pointer (struct gdbarch *gdbarch, struct value *function)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct obj_section *faddr_sect;
CORE_ADDR faddr;
status = target_read_memory (faddr + 4, buf, sizeof (buf));
if (status == 0)
- return extract_unsigned_integer (buf, sizeof (buf));
+ return extract_unsigned_integer (buf, sizeof (buf), byte_order);
}
/* If the address is in the plt section, then the real function hasn't
status = target_read_memory (addr, buf, sizeof (buf));
if (status != 0)
break;
- tag = extract_signed_integer (buf, sizeof (buf));
+ tag = extract_signed_integer (buf, sizeof (buf), byte_order);
if (tag == DT_PLTGOT)
{
status = target_read_memory (addr + 4, buf, sizeof (buf));
if (status != 0)
break;
- global_pointer = extract_unsigned_integer (buf, sizeof (buf));
-
+ global_pointer = extract_unsigned_integer (buf, sizeof (buf),
+ byte_order);
/* The payoff... */
return global_pointer;
}