2013-08-07 Raunaq Bathija <raunaq12@in.ibm.com>

Ulrich Weigand  <uweigand@de.ibm.com>

	* aixthread.c: Call ptrace64 instead of ptracex if defined.
	Call ptrace64 instead of ptrace if defined.
	Add macro addr_ptr to take care of ptrace address argument.
	(pdc_read_regs): Likewise.
	(pdc_write_regs): Likewise.
	(aix_thread_resume): Likewise.
	(fetch_regs_kernel_thread): Likewise.
	(store_regs_kernel_thread): Likewise.
This commit is contained in:
Ulrich Weigand 2013-08-07 13:24:26 +00:00
parent 3bb5e4a872
commit fecf803efa
2 changed files with 49 additions and 20 deletions

View File

@ -1,3 +1,15 @@
2013-08-07 Raunaq Bathija <raunaq12@in.ibm.com>
Ulrich Weigand <uweigand@de.ibm.com>
* aixthread.c: Call ptrace64 instead of ptracex if defined.
Call ptrace64 instead of ptrace if defined.
Add macro addr_ptr to take care of ptrace address argument.
(pdc_read_regs): Likewise.
(pdc_write_regs): Likewise.
(aix_thread_resume): Likewise.
(fetch_regs_kernel_thread): Likewise.
(store_regs_kernel_thread): Likewise.
2013-08-07 Anton Blanchard <anton@samba.org>
* MAINTAINERS: Add myself to Write After Approval.

View File

@ -237,7 +237,14 @@ ptrace_check (int req, int id, int ret)
return 0; /* Not reached. */
}
/* Call ptracex (REQ, ID, ADDR, DATA, BUF). Return success. */
/* Call ptracex (REQ, ID, ADDR, DATA, BUF) or
ptrace64 (REQ, ID, ADDR, DATA, BUF) if HAVE_PTRACE64.
Return success. */
#ifdef HAVE_PTRACE64
# define ptracex(request, pid, addr, data, buf) \
ptrace64 (request, pid, addr, data, buf)
#endif
static int
ptrace64aix (int req, int id, long long addr, int data, int *buf)
@ -246,14 +253,24 @@ ptrace64aix (int req, int id, long long addr, int data, int *buf)
return ptrace_check (req, id, ptracex (req, id, addr, data, buf));
}
/* Call ptrace (REQ, ID, ADDR, DATA, BUF). Return success. */
/* Call ptrace (REQ, ID, ADDR, DATA, BUF) or
ptrace64 (REQ, ID, ADDR, DATA, BUF) if HAVE_PTRACE64.
Return success. */
#ifdef HAVE_PTRACE64
# define ptrace(request, pid, addr, data, buf) \
ptrace64 (request, pid, addr, data, buf)
# define addr_ptr long long
#else
# define addr_ptr int *
#endif
static int
ptrace32 (int req, int id, int *addr, int data, int *buf)
ptrace32 (int req, int id, addr_ptr addr, int data, int *buf)
{
errno = 0;
return ptrace_check (req, id,
ptrace (req, id, (int *) addr, data, buf));
ptrace (req, id, (addr_ptr) addr, data, buf));
}
/* If *PIDP is a composite process/thread id, convert it to a
@ -361,7 +378,7 @@ pdc_read_regs (pthdb_user_t user,
/* Floating-point registers. */
if (flags & PTHDB_FLAG_FPRS)
{
if (!ptrace32 (PTT_READ_FPRS, tid, (void *) fprs, 0, NULL))
if (!ptrace32 (PTT_READ_FPRS, tid, (addr_ptr) fprs, 0, NULL))
memset (fprs, 0, sizeof (fprs));
memcpy (context->fpr, fprs, sizeof(fprs));
}
@ -378,7 +395,7 @@ pdc_read_regs (pthdb_user_t user,
}
else
{
if (!ptrace32 (PTT_READ_SPRS, tid, (int *) &sprs32, 0, NULL))
if (!ptrace32 (PTT_READ_SPRS, tid, (addr_ptr) &sprs32, 0, NULL))
memset (&sprs32, 0, sizeof (sprs32));
memcpy (&context->msr, &sprs32, sizeof(sprs32));
}
@ -413,13 +430,13 @@ pdc_write_regs (pthdb_user_t user,
ptrace64aix (PTT_WRITE_GPRS, tid,
(unsigned long) context->gpr, 0, NULL);
else
ptrace32 (PTT_WRITE_GPRS, tid, (int *) context->gpr, 0, NULL);
ptrace32 (PTT_WRITE_GPRS, tid, (addr_ptr) context->gpr, 0, NULL);
}
/* Floating-point registers. */
if (flags & PTHDB_FLAG_FPRS)
{
ptrace32 (PTT_WRITE_FPRS, tid, (int *) context->fpr, 0, NULL);
ptrace32 (PTT_WRITE_FPRS, tid, (addr_ptr) context->fpr, 0, NULL);
}
/* Special-purpose registers. */
@ -432,7 +449,7 @@ pdc_write_regs (pthdb_user_t user,
}
else
{
ptrace32 (PTT_WRITE_SPRS, tid, (void *) &context->msr, 0, NULL);
ptrace32 (PTT_WRITE_SPRS, tid, (addr_ptr) &context->msr, 0, NULL);
}
}
return 0;
@ -997,10 +1014,10 @@ aix_thread_resume (struct target_ops *ops,
tid[1] = 0;
if (arch64)
ptrace64aix (PTT_CONTINUE, tid[0], 1,
ptrace64aix (PTT_CONTINUE, tid[0], (long long) 1,
gdb_signal_to_host (sig), (void *) tid);
else
ptrace32 (PTT_CONTINUE, tid[0], (int *) 1,
ptrace32 (PTT_CONTINUE, tid[0], (addr_ptr) 1,
gdb_signal_to_host (sig), (void *) tid);
}
}
@ -1239,7 +1256,7 @@ fetch_regs_kernel_thread (struct regcache *regcache, int regno,
}
else
{
if (!ptrace32 (PTT_READ_GPRS, tid, gprs32, 0, NULL))
if (!ptrace32 (PTT_READ_GPRS, tid, (addr_ptr) gprs32, 0, NULL))
memset (gprs32, 0, sizeof (gprs32));
for (i = 0; i < ppc_num_gprs; i++)
supply_reg32 (regcache, tdep->ppc_gp0_regnum + i, gprs32[i]);
@ -1253,7 +1270,7 @@ fetch_regs_kernel_thread (struct regcache *regcache, int regno,
|| (regno >= tdep->ppc_fp0_regnum
&& regno < tdep->ppc_fp0_regnum + ppc_num_fprs)))
{
if (!ptrace32 (PTT_READ_FPRS, tid, (void *) fprs, 0, NULL))
if (!ptrace32 (PTT_READ_FPRS, tid, (addr_ptr) fprs, 0, NULL))
memset (fprs, 0, sizeof (fprs));
supply_fprs (regcache, fprs);
}
@ -1275,7 +1292,7 @@ fetch_regs_kernel_thread (struct regcache *regcache, int regno,
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (!ptrace32 (PTT_READ_SPRS, tid, (int *) &sprs32, 0, NULL))
if (!ptrace32 (PTT_READ_SPRS, tid, (addr_ptr) &sprs32, 0, NULL))
memset (&sprs32, 0, sizeof (sprs32));
supply_sprs32 (regcache, sprs32.pt_iar, sprs32.pt_msr, sprs32.pt_cr,
sprs32.pt_lr, sprs32.pt_ctr, sprs32.pt_xer,
@ -1570,9 +1587,9 @@ store_regs_kernel_thread (const struct regcache *regcache, int regno,
else
{
/* Pre-fetch: some regs may not be in the cache. */
ptrace32 (PTT_READ_GPRS, tid, gprs32, 0, NULL);
ptrace32 (PTT_READ_GPRS, tid, (addr_ptr) gprs32, 0, NULL);
fill_gprs32 (regcache, gprs32);
ptrace32 (PTT_WRITE_GPRS, tid, gprs32, 0, NULL);
ptrace32 (PTT_WRITE_GPRS, tid, (addr_ptr) gprs32, 0, NULL);
}
}
@ -1584,9 +1601,9 @@ store_regs_kernel_thread (const struct regcache *regcache, int regno,
&& regno < tdep->ppc_fp0_regnum + ppc_num_fprs)))
{
/* Pre-fetch: some regs may not be in the cache. */
ptrace32 (PTT_READ_FPRS, tid, (void *) fprs, 0, NULL);
ptrace32 (PTT_READ_FPRS, tid, (addr_ptr) fprs, 0, NULL);
fill_fprs (regcache, fprs);
ptrace32 (PTT_WRITE_FPRS, tid, (void *) fprs, 0, NULL);
ptrace32 (PTT_WRITE_FPRS, tid, (addr_ptr) fprs, 0, NULL);
}
/* Special-purpose registers. */
@ -1618,7 +1635,7 @@ store_regs_kernel_thread (const struct regcache *regcache, int regno,
gdb_assert (sizeof (sprs32.pt_iar) == 4);
/* Pre-fetch: some registers won't be in the cache. */
ptrace32 (PTT_READ_SPRS, tid, (int *) &sprs32, 0, NULL);
ptrace32 (PTT_READ_SPRS, tid, (addr_ptr) &sprs32, 0, NULL);
fill_sprs32 (regcache, &tmp_iar, &tmp_msr, &tmp_cr, &tmp_lr,
&tmp_ctr, &tmp_xer, &tmp_fpscr);
@ -1637,7 +1654,7 @@ store_regs_kernel_thread (const struct regcache *regcache, int regno,
regcache_raw_collect (regcache, tdep->ppc_mq_regnum,
&sprs32.pt_mq);
ptrace32 (PTT_WRITE_SPRS, tid, (int *) &sprs32, 0, NULL);
ptrace32 (PTT_WRITE_SPRS, tid, (addr_ptr) &sprs32, 0, NULL);
}
}
}