/* Native-dependent code for PA-RISC HP-UX.
- Copyright 2004 Free Software Foundation, Inc.
+ Copyright 2004, 2005 Free Software Foundation, Inc.
This file is part of GDB.
#include "inf-ptrace.h"
#include "inf-ttrace.h"
-/* HP-UX 10.20 has a different name than HP-UX 11.00 and later.
- Apparently, the intended usage changed. Unfortunately HP didn't
- care about backwards compatibility. */
-#ifdef ss_tlsp
-#define ss_mpsfu_high ss_tlsp
-#endif
+/* Non-zero if we should pretend not to be a runnable target. */
+int child_suppress_run = 0;
-int child_suppress_run = 0; /* Non-zero if we should pretend not to be
- a runnable target. */
+/* Return the offset of register REGNUM within `struct save_state'.
+ The offset returns depends on the flags in the "flags" register and
+ the register size (32-bit or 64-bit). These are taken from
+ REGCACHE. */
-static int hppa_hpux_save_state_offset[] =
+LONGEST
+hppa_hpux_save_state_offset (struct regcache *regcache, int regnum)
{
- ssoff(ss_flags),
- ssoff(ss_narrow.ss_gr1),
- ssoff(ss_narrow.ss_rp),
- ssoff(ss_narrow.ss_gr3),
- ssoff(ss_narrow.ss_gr4),
- ssoff(ss_narrow.ss_gr5),
- ssoff(ss_narrow.ss_gr6),
- ssoff(ss_narrow.ss_gr7),
- ssoff(ss_narrow.ss_gr8),
- ssoff(ss_narrow.ss_gr9),
- ssoff(ss_narrow.ss_gr10),
- ssoff(ss_narrow.ss_gr11),
- ssoff(ss_narrow.ss_gr12),
- ssoff(ss_narrow.ss_gr13),
- ssoff(ss_narrow.ss_gr14),
- ssoff(ss_narrow.ss_gr15),
- ssoff(ss_narrow.ss_gr16),
- ssoff(ss_narrow.ss_gr17),
- ssoff(ss_narrow.ss_gr18),
- ssoff(ss_narrow.ss_gr19),
- ssoff(ss_narrow.ss_gr20),
- ssoff(ss_narrow.ss_gr21),
- ssoff(ss_narrow.ss_gr22),
- ssoff(ss_narrow.ss_arg3),
- ssoff(ss_narrow.ss_arg2),
- ssoff(ss_narrow.ss_arg1),
- ssoff(ss_narrow.ss_arg0),
- ssoff(ss_narrow.ss_dp),
- ssoff(ss_narrow.ss_ret0),
- ssoff(ss_narrow.ss_ret1),
- ssoff(ss_narrow.ss_sp),
- ssoff(ss_narrow.ss_gr31),
- ssoff(ss_narrow.ss_cr11),
- ssoff(ss_narrow.ss_pcoq_head),
- ssoff(ss_narrow.ss_pcsq_head),
- ssoff(ss_narrow.ss_pcoq_tail),
- ssoff(ss_narrow.ss_pcsq_tail),
- ssoff(ss_narrow.ss_cr15),
- ssoff(ss_narrow.ss_cr19),
- ssoff(ss_narrow.ss_cr20),
- ssoff(ss_narrow.ss_cr21),
- ssoff(ss_narrow.ss_cr22),
- ssoff(ss_narrow.ss_cpustate),
- ssoff(ss_narrow.ss_sr4),
- ssoff(ss_narrow.ss_sr0),
- ssoff(ss_narrow.ss_sr1),
- ssoff(ss_narrow.ss_sr2),
- ssoff(ss_narrow.ss_sr3),
- ssoff(ss_narrow.ss_sr5),
- ssoff(ss_narrow.ss_sr6),
- ssoff(ss_narrow.ss_sr7),
- ssoff(ss_narrow.ss_cr0),
- ssoff(ss_narrow.ss_cr8),
- ssoff(ss_narrow.ss_cr9),
- ssoff(ss_narrow.ss_cr10),
- ssoff(ss_narrow.ss_cr12),
- ssoff(ss_narrow.ss_cr13),
- ssoff(ss_narrow.ss_cr24),
- ssoff(ss_narrow.ss_cr25),
- ssoff(ss_narrow.ss_cr26),
- ssoff(ss_narrow.ss_mpsfu_high),
- ssoff(ss_narrow.ss_mpsfu_low),
- ssoff(ss_narrow.ss_mpsfu_ovflo),
- ssoff(ss_pad),
- ssoff(ss_frstat),
- ssoff(ss_frexcp1),
- ssoff(ss_frexcp2),
- ssoff(ss_frexcp3),
- ssoff(ss_frexcp4),
- ssoff(ss_frexcp5),
- ssoff(ss_frexcp6),
- ssoff(ss_frexcp7),
- ssoff(ss_fr4_hi),
- ssoff(ss_fr4_lo),
- ssoff(ss_fr5_hi),
- ssoff(ss_fr5_lo),
- ssoff(ss_fr6_hi),
- ssoff(ss_fr6_lo),
- ssoff(ss_fr7_hi),
- ssoff(ss_fr7_lo),
- ssoff(ss_fr8_hi),
- ssoff(ss_fr8_lo),
- ssoff(ss_fr9_hi),
- ssoff(ss_fr9_lo),
- ssoff(ss_fr10_hi),
- ssoff(ss_fr10_lo),
- ssoff(ss_fr11_hi),
- ssoff(ss_fr11_lo),
- ssoff(ss_fr12_hi),
- ssoff(ss_fr12_lo),
- ssoff(ss_fr13_hi),
- ssoff(ss_fr13_lo),
- ssoff(ss_fr14_hi),
- ssoff(ss_fr14_lo),
- ssoff(ss_fr15_hi),
- ssoff(ss_fr15_lo),
- ssoff(ss_fr16_hi),
- ssoff(ss_fr16_lo),
- ssoff(ss_fr17_hi),
- ssoff(ss_fr17_lo),
- ssoff(ss_fr18_hi),
- ssoff(ss_fr18_lo),
- ssoff(ss_fr19_hi),
- ssoff(ss_fr19_lo),
- ssoff(ss_fr20_hi),
- ssoff(ss_fr20_lo),
- ssoff(ss_fr21_hi),
- ssoff(ss_fr21_lo),
- ssoff(ss_fr22_hi),
- ssoff(ss_fr22_lo),
- ssoff(ss_fr23_hi),
- ssoff(ss_fr23_lo),
- ssoff(ss_fr24_hi),
- ssoff(ss_fr24_lo),
- ssoff(ss_fr25_hi),
- ssoff(ss_fr25_lo),
- ssoff(ss_fr26_hi),
- ssoff(ss_fr26_lo),
- ssoff(ss_fr27_hi),
- ssoff(ss_fr27_lo),
- ssoff(ss_fr28_hi),
- ssoff(ss_fr28_lo),
- ssoff(ss_fr29_hi),
- ssoff(ss_fr29_lo),
- ssoff(ss_fr30_hi),
- ssoff(ss_fr30_lo),
- ssoff(ss_fr31_hi),
- ssoff(ss_fr31_lo)
-};
+ LONGEST offset;
-static int
-hppa_hpux_cannot_fetch_register (int regnum)
-{
- gdb_assert (regnum >= 0 && regnum < NUM_REGS);
- return (regnum >= ARRAY_SIZE(hppa_hpux_save_state_offset));
-}
+ if (regnum == HPPA_FLAGS_REGNUM)
+ return ssoff (ss_flags);
-static int
-hppa_hpux_cannot_store_register (int regnum)
-{
- return hppa_hpux_cannot_fetch_register (regnum);
+ if (HPPA_R0_REGNUM < regnum && regnum < HPPA_FP0_REGNUM)
+ {
+ struct gdbarch *arch = get_regcache_arch (regcache);
+ size_t size = register_size (arch, HPPA_R1_REGNUM);
+ ULONGEST flags;
+
+ gdb_assert (size == 4 || size == 8);
+
+ regcache_cooked_read_unsigned (regcache, HPPA_FLAGS_REGNUM, &flags);
+ if (flags & SS_WIDEREGS)
+ offset = ssoff (ss_wide) + (8 - size) + (regnum - HPPA_R0_REGNUM) * 8;
+ else
+ offset = ssoff (ss_narrow) + (regnum - HPPA_R1_REGNUM) * 4;
+ }
+ else
+ {
+ struct gdbarch *arch = get_regcache_arch (regcache);
+ size_t size = register_size (arch, HPPA_FP0_REGNUM);
+
+ gdb_assert (size == 4 || size == 8);
+ gdb_assert (regnum >= HPPA_FP0_REGNUM);
+ offset = ssoff(ss_fpblock) + (regnum - HPPA_FP0_REGNUM) * size;
+ }
+
+ gdb_assert (offset < sizeof (save_state_t));
+ return offset;
}
/* Just in case a future version of PA-RISC HP-UX won't have ptrace(2)
pid_t pid;
int i;
- if (hppa_hpux_cannot_fetch_register (regnum))
- {
- regcache_raw_supply (current_regcache, regnum, NULL);
- return;
- }
-
pid = ptid_get_pid (inferior_ptid);
- /* This isn't really an address. But ptrace thinks of it as one. */
- addr = hppa_hpux_save_state_offset[regnum];
+ /* This isn't really an address, but ptrace thinks of it as one. */
+ addr = hppa_hpux_save_state_offset(current_regcache, regnum);
size = register_size (current_gdbarch, regnum);
gdb_assert (size == 4 || size == 8);
lwpid_t lwp = ptid_get_lwp (inferior_ptid);
if (ttrace (TT_LWP_RUREGS, pid, lwp, addr, size, (uintptr_t)buf) == -1)
- error ("Couldn't read register %s (#%d): %s",
+ error (_("Couldn't read register %s (#%d): %s"),
REGISTER_NAME (regnum), regnum, safe_strerror (errno));
}
#else
errno = 0;
buf[i] = ptrace (PT_RUREGS, pid, (PTRACE_TYPE_ARG3) addr, 0, 0);
if (errno != 0)
- error ("Couldn't read register %s (#%d): %s",
+ error (_("Couldn't read register %s (#%d): %s"),
REGISTER_NAME (regnum), regnum, safe_strerror (errno));
addr += sizeof (PTRACE_TYPE_RET);
}
#endif
+ /* Take care with the "flags" register. It's stored as an `int' in
+ `struct save_state', even for 64-bit code. */
+ if (regnum == HPPA_FLAGS_REGNUM && size == 8)
+ {
+ ULONGEST flags = extract_unsigned_integer ((gdb_byte *)buf, 4);
+ store_unsigned_integer ((gdb_byte *)buf, 8, flags);
+ }
+
regcache_raw_supply (current_regcache, regnum, buf);
}
PTRACE_TYPE_RET *buf;
pid_t pid;
- if (hppa_hpux_cannot_store_register (regnum))
- return;
-
pid = ptid_get_pid (inferior_ptid);
- /* This isn't really an address. But ptrace thinks of it as one. */
- addr = hppa_hpux_save_state_offset[regnum];
+ /* This isn't really an address, but ptrace thinks of it as one. */
+ addr = hppa_hpux_save_state_offset(current_regcache, regnum);
size = register_size (current_gdbarch, regnum);
gdb_assert (size == 4 || size == 8);
regcache_raw_collect (current_regcache, regnum, buf);
+ /* Take care with the "flags" register. It's stored as an `int' in
+ `struct save_state', even for 64-bit code. */
+ if (regnum == HPPA_FLAGS_REGNUM && size == 8)
+ {
+ ULONGEST flags = extract_unsigned_integer ((gdb_byte *)buf, 8);
+ store_unsigned_integer ((gdb_byte *)buf, 4, flags);
+ size = 4;
+ }
+
#ifdef HAVE_TTRACE
{
lwpid_t lwp = ptid_get_lwp (inferior_ptid);
if (ttrace (TT_LWP_WUREGS, pid, lwp, addr, size, (uintptr_t)buf) == -1)
- error ("Couldn't write register %s (#%d): %s",
+ error (_("Couldn't write register %s (#%d): %s"),
REGISTER_NAME (regnum), regnum, safe_strerror (errno));
}
#else
errno = 0;
ptrace (PT_WUREGS, pid, (PTRACE_TYPE_ARG3) addr, buf[i], 0);
if (errno != 0)
- error ("Couldn't write register %s (#%d): %s",
+ error (_("Couldn't write register %s (#%d): %s"),
REGISTER_NAME (regnum), regnum, safe_strerror (errno));
addr += sizeof (PTRACE_TYPE_RET);
static int
hppa_hpux_child_can_run (void)
{
- /* This variable is controlled by modules that layer their own process
- structure atop that provided here. hpux-thread.c does this because
- of the HP-UX user-mode level thread model. */
-
+ /* This variable is controlled by modules that layer their own
+ process structure atop that provided here. The code in
+ hpux-thread.c does this to support the HP-UX user-mode DCE
+ threads. */
return !child_suppress_run;
}
\f
projects / deliverable / binutils-gdb.git / blobdiff