This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "bfd.h"
/* 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
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 = read_memory_nobpt (pc, buf, 4);
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 = read_memory_nobpt (pc, buf, 4);
/* 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]",
|| (regnum > HPPA_IPSW_REGNUM && regnum < HPPA_FP4_REGNUM));
}
+static int
+hppa32_cannot_fetch_register (int regnum)
+{
+ /* cr26 and cr27 are readable (but not writable) from userspace. */
+ if (regnum == HPPA_CR26_REGNUM || regnum == HPPA_CR27_REGNUM)
+ return 0;
+ else
+ return hppa32_cannot_store_register (regnum);
+}
+
static int
hppa64_cannot_store_register (int regnum)
{
|| (regnum > HPPA_IPSW_REGNUM && regnum < HPPA64_FP4_REGNUM));
}
+static int
+hppa64_cannot_fetch_register (int regnum)
+{
+ /* cr26 and cr27 are readable (but not writable) from userspace. */
+ if (regnum == HPPA_CR26_REGNUM || regnum == HPPA_CR27_REGNUM)
+ return 0;
+ else
+ return hppa64_cannot_store_register (regnum);
+}
+
static CORE_ADDR
hppa_smash_text_address (CORE_ADDR addr)
{
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 */
}
set_gdbarch_cannot_store_register (gdbarch,
hppa32_cannot_store_register);
set_gdbarch_cannot_fetch_register (gdbarch,
- hppa32_cannot_store_register);
+ hppa32_cannot_fetch_register);
break;
case 8:
set_gdbarch_num_regs (gdbarch, hppa64_num_regs);
set_gdbarch_cannot_store_register (gdbarch,
hppa64_cannot_store_register);
set_gdbarch_cannot_fetch_register (gdbarch,
- hppa64_cannot_store_register);
+ hppa64_cannot_fetch_register);
break;
default:
internal_error (__FILE__, __LINE__, _("Unsupported address size: %d"),
projects / deliverable / binutils-gdb.git / blobdiff