51 lines
1.9 KiB
Diff
51 lines
1.9 KiB
Diff
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https://bugzilla.redhat.com/show_bug.cgi?id=827600
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Re: [PATCH] disable ptrace BookE interface for PowerPC server processors
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http://sourceware.org/ml/gdb-patches/2012-05/msg01107.html
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http://sourceware.org/ml/gdb-cvs/2012-05/msg00221.html
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### src/gdb/ChangeLog 2012/05/31 18:44:47 1.14306
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### src/gdb/ChangeLog 2012/05/31 22:07:29 1.14307
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## -1,3 +1,9 @@
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+2012-05-31 Edjunior Machado <emachado@linux.vnet.ibm.com>
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+
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+ * ppc-linux-nat.c (have_ptrace_booke_interface): Disable ptrace
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+ BookE interface for PowerPC server processors if not available
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+ in the Linux Kernel.
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+
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2012-05-31 Keith Seitz <keiths@redhat.com>
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* linespec.c (decode_objc): Add cleanup to free
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--- src/gdb/ppc-linux-nat.c 2012/05/30 13:37:17 1.112
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+++ src/gdb/ppc-linux-nat.c 2012/05/31 22:07:31 1.113
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@@ -1421,17 +1421,20 @@
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/* Check for kernel support for BOOKE debug registers. */
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if (ptrace (PPC_PTRACE_GETHWDBGINFO, tid, 0, &booke_debug_info) >= 0)
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{
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- have_ptrace_booke_interface = 1;
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- max_slots_number = booke_debug_info.num_instruction_bps
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- + booke_debug_info.num_data_bps
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- + booke_debug_info.num_condition_regs;
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- }
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- else
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- {
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- /* Old school interface and no BOOKE debug registers support. */
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- have_ptrace_booke_interface = 0;
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- memset (&booke_debug_info, 0, sizeof (struct ppc_debug_info));
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+ /* Check whether ptrace BOOKE interface is functional and
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+ provides any supported feature. */
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+ if (booke_debug_info.features != 0)
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+ {
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+ have_ptrace_booke_interface = 1;
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+ max_slots_number = booke_debug_info.num_instruction_bps
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+ + booke_debug_info.num_data_bps
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+ + booke_debug_info.num_condition_regs;
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+ return have_ptrace_booke_interface;
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+ }
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}
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+ /* Old school interface and no BOOKE debug registers support. */
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+ have_ptrace_booke_interface = 0;
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+ memset (&booke_debug_info, 0, sizeof (struct ppc_debug_info));
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}
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return have_ptrace_booke_interface;
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