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[rfc] [2/9] Cell multi-arch: Implement tdesc <compatible> feature for Cell


Hello,

this implements the <compatible> target description feature for Cell.
The patch defines two new pre-defined XML target descriptions
rs6000/powerpc-cell32l.xml amd rs6000/powerpc-cell64l.xml (based on
the altivec variants, with the <compatible>spu</compatible> element
added).

The patch also implements detection for the Cell architecture in
native, gdbsever, and core file targets.

As a minor side enhancement, the patch adds r0, orig_r3, and r4
as "expedited" registers for the Cell gdbserver protocol (as those
registers will be checked at every stop to determine whether we are
in an spu_run system call or not).

Bye,
Ulrich


ChangeLog:

	* features/Makefile (WHICH): Add rs6000/powerpc-cell32l and
	rs6000/powerpc-cell64l.
	(rs6000/powerpc-cell32l-expedite): Define.
	(rs6000/powerpc-cell64l-expedite): Likewise.
	* features/rs6000/powerpc-cell32l.xml: New file.
	* features/rs6000/powerpc-cell64l.xml: New file.
	* features/rs6000/powerpc-cell32l.c: New generated file.
	* features/rs6000/powerpc-cell64l.c: New generated file.

	* regformats/rs6000/powerpc-cell32l.dat: New generated file.
	* regformats/rs6000/powerpc-cell64l.dat: New generated file.

	* ppc-linux-tdep.h (tdesc_powerpc_cell32l): Add prototype.
	(tdesc_powerpc_cell64l): Likewise.
	* ppc-linux-tdep.c: Include "features/rs6000/powerpc-cell32l.c"
	and "features/rs6000/powerpc-cell64l.c".
	(_initialize_ppc_linux_tdep): Initialize target descriptions.
	(ppc_linux_spu_section): New function.
	(ppc_linux_core_read_description): Detect Cell/B.E. core files.
	* ppc-linux-nat.c (PPC_FEATURE_CELL): Define.
	(ppc_linux_read_description): Detect Cell/B.E. architecture.

	* rs6000-tdep.c (rs6000_gdbarch_init): Do not trust BFD wordsize
	if exec file is not PowerPC architecture.

gdbserver/ChangeLog:

	* configure.srv (powerpc*-*-linux*): Add powerpc-cell32l.o
	and powerpc-cell64l.o to srv_regobj.  Add rs6000/powerpc-cell32l.xml
	and rs6000/powerpc-cell64l.xml to srv_xmlfiles.
	* Makefile.in (powerpc-cell32l.o, powerpc-cell32l.c): New rules.
	(powerpc-cell64l.o, powerpc-cell64l.c): Likewise.
	(clean): Handle powerpc-cell32l.c and powerpc-cell64l.c.
	* linux-ppc-low.c (PPC_FEATURE_CELL): Define.
	(init_registers_powerpc_cell32l): Add prototype.
	(init_registers_powerpc_cell64l): Likewise.
	(ppc_arch_setup): Detect Cell/B.E. architecture.


Index: src/gdb/features/Makefile
===================================================================
--- src.orig/gdb/features/Makefile
+++ src/gdb/features/Makefile
@@ -34,7 +34,7 @@
 WHICH = arm-with-iwmmxt mips-linux mips64-linux \
 	rs6000/powerpc-32l rs6000/powerpc-altivec32l rs6000/powerpc-e500l \
 	rs6000/powerpc-64l rs6000/powerpc-altivec64l rs6000/powerpc-vsx32l \
-	rs6000/powerpc-vsx64l
+	rs6000/powerpc-vsx64l rs6000/powerpc-cell32l rs6000/powerpc-cell64l
 
 # Record which registers should be sent to GDB by default after stop.
 arm-with-iwmmxt-expedite = r11,sp,pc
@@ -42,6 +42,7 @@ mips-linux-expedite = r29,pc
 mips64-linux-expedite = r29,pc
 rs6000/powerpc-32l-expedite = r1,pc
 rs6000/powerpc-altivec32l-expedite = r1,pc
+rs6000/powerpc-cell32l-expedite = r1,pc,r0,orig_r3,r4
 rs6000/powerpc-vsx32l-expedite = r1,pc
 rs6000/powerpc-isa205-32l-expedite = r1,pc
 rs6000/powerpc-isa205-altivec32l-expedite = r1,pc
@@ -49,6 +50,7 @@ rs6000/powerpc-isa205-vsx32l-expedite = 
 rs6000/powerpc-e500l-expedite = r1,pc
 rs6000/powerpc-64l-expedite = r1,pc
 rs6000/powerpc-altivec64l-expedite = r1,pc
+rs6000/powerpc-cell64l-expedite = r1,pc,r0,orig_r3,r4
 rs6000/powerpc-vsx64l-expedite = r1,pc
 rs6000/powerpc-isa205-64l-expedite = r1,pc
 rs6000/powerpc-isa205-altivec64l-expedite = r1,pc
Index: src/gdb/features/rs6000/powerpc-cell32l.c
===================================================================
--- /dev/null
+++ src/gdb/features/rs6000/powerpc-cell32l.c
@@ -0,0 +1,158 @@
+/* THIS FILE IS GENERATED.  Original: powerpc-cell32l.xml */
+
+#include "defs.h"
+#include "target-descriptions.h"
+
+struct target_desc *tdesc_powerpc_cell32l;
+static void
+initialize_tdesc_powerpc_cell32l (void)
+{
+  struct target_desc *result = allocate_target_description ();
+  struct tdesc_feature *feature;
+  struct tdesc_type *field_type, *type;
+
+  set_tdesc_architecture (result, bfd_scan_arch ("powerpc:common"));
+
+  tdesc_add_compatible (result, bfd_scan_arch ("spu:256K"));
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.power.core");
+  tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r5", 5, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r6", 6, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r7", 7, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r8", 8, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r9", 9, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r10", 10, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r11", 11, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r12", 12, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r13", 13, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r14", 14, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r15", 15, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r16", 16, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r17", 17, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r18", 18, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r19", 19, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r20", 20, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r21", 21, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r22", 22, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r23", 23, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r24", 24, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r25", 25, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r26", 26, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r27", 27, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r28", 28, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r29", 29, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r30", 30, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "r31", 31, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "pc", 64, 1, NULL, 32, "code_ptr");
+  tdesc_create_reg (feature, "msr", 65, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "cr", 66, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "lr", 67, 1, NULL, 32, "code_ptr");
+  tdesc_create_reg (feature, "ctr", 68, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "xer", 69, 1, NULL, 32, "uint32");
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.power.fpu");
+  tdesc_create_reg (feature, "f0", 32, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f1", 33, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f2", 34, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f3", 35, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f4", 36, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f5", 37, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f6", 38, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f7", 39, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f8", 40, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f9", 41, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f10", 42, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f11", 43, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f12", 44, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f13", 45, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f14", 46, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f15", 47, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f16", 48, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f17", 49, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f18", 50, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f19", 51, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f20", 52, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f21", 53, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f22", 54, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f23", 55, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f24", 56, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f25", 57, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f26", 58, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f27", 59, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f28", 60, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f29", 61, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f30", 62, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f31", 63, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "fpscr", 70, 1, "float", 32, "int");
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.power.linux");
+  tdesc_create_reg (feature, "orig_r3", 71, 1, NULL, 32, "int");
+  tdesc_create_reg (feature, "trap", 72, 1, NULL, 32, "int");
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.power.altivec");
+  field_type = tdesc_named_type (feature, "ieee_single");
+  tdesc_create_vector (feature, "v4f", field_type, 4);
+
+  field_type = tdesc_named_type (feature, "int32");
+  tdesc_create_vector (feature, "v4i32", field_type, 4);
+
+  field_type = tdesc_named_type (feature, "int16");
+  tdesc_create_vector (feature, "v8i16", field_type, 8);
+
+  field_type = tdesc_named_type (feature, "int8");
+  tdesc_create_vector (feature, "v16i8", field_type, 16);
+
+  type = tdesc_create_union (feature, "vec128");
+  field_type = tdesc_named_type (feature, "uint128");
+  tdesc_add_field (type, "uint128", field_type);
+  field_type = tdesc_named_type (feature, "v4f");
+  tdesc_add_field (type, "v4_float", field_type);
+  field_type = tdesc_named_type (feature, "v4i32");
+  tdesc_add_field (type, "v4_int32", field_type);
+  field_type = tdesc_named_type (feature, "v8i16");
+  tdesc_add_field (type, "v8_int16", field_type);
+  field_type = tdesc_named_type (feature, "v16i8");
+  tdesc_add_field (type, "v16_int8", field_type);
+
+  tdesc_create_reg (feature, "vr0", 73, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr1", 74, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr2", 75, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr3", 76, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr4", 77, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr5", 78, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr6", 79, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr7", 80, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr8", 81, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr9", 82, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr10", 83, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr11", 84, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr12", 85, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr13", 86, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr14", 87, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr15", 88, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr16", 89, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr17", 90, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr18", 91, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr19", 92, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr20", 93, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr21", 94, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr22", 95, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr23", 96, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr24", 97, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr25", 98, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr26", 99, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr27", 100, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr28", 101, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr29", 102, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr30", 103, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr31", 104, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vscr", 105, 1, "vector", 32, "int");
+  tdesc_create_reg (feature, "vrsave", 106, 1, "vector", 32, "int");
+
+  tdesc_powerpc_cell32l = result;
+}
Index: src/gdb/features/rs6000/powerpc-cell32l.xml
===================================================================
--- /dev/null
+++ src/gdb/features/rs6000/powerpc-cell32l.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2009 Free Software Foundation, Inc.
+
+     Copying and distribution of this file, with or without modification,
+     are permitted in any medium without royalty provided the copyright
+     notice and this notice are preserved.  -->
+
+<!-- Cell/B.E. architecture.  Identical to the PowerPC 32-bit Linux UISA,
+     but adds support for the SPU as compatible architecture.  -->
+
+<!DOCTYPE target SYSTEM "gdb-target.dtd">
+<target>
+  <architecture>powerpc:common</architecture>
+  <compatible>spu</compatible>
+  <xi:include href="power-core.xml"/>
+  <xi:include href="power-fpu.xml"/>
+  <xi:include href="power-linux.xml"/>
+  <xi:include href="power-altivec.xml"/>
+</target>
Index: src/gdb/features/rs6000/powerpc-cell64l.c
===================================================================
--- /dev/null
+++ src/gdb/features/rs6000/powerpc-cell64l.c
@@ -0,0 +1,158 @@
+/* THIS FILE IS GENERATED.  Original: powerpc-cell64l.xml */
+
+#include "defs.h"
+#include "target-descriptions.h"
+
+struct target_desc *tdesc_powerpc_cell64l;
+static void
+initialize_tdesc_powerpc_cell64l (void)
+{
+  struct target_desc *result = allocate_target_description ();
+  struct tdesc_feature *feature;
+  struct tdesc_type *field_type, *type;
+
+  set_tdesc_architecture (result, bfd_scan_arch ("powerpc:common64"));
+
+  tdesc_add_compatible (result, bfd_scan_arch ("spu:256K"));
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.power.core");
+  tdesc_create_reg (feature, "r0", 0, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r1", 1, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r2", 2, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r3", 3, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r4", 4, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r5", 5, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r6", 6, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r7", 7, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r8", 8, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r9", 9, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r10", 10, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r11", 11, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r12", 12, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r13", 13, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r14", 14, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r15", 15, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r16", 16, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r17", 17, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r18", 18, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r19", 19, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r20", 20, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r21", 21, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r22", 22, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r23", 23, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r24", 24, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r25", 25, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r26", 26, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r27", 27, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r28", 28, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r29", 29, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r30", 30, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "r31", 31, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "pc", 64, 1, NULL, 64, "code_ptr");
+  tdesc_create_reg (feature, "msr", 65, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "cr", 66, 1, NULL, 32, "uint32");
+  tdesc_create_reg (feature, "lr", 67, 1, NULL, 64, "code_ptr");
+  tdesc_create_reg (feature, "ctr", 68, 1, NULL, 64, "uint64");
+  tdesc_create_reg (feature, "xer", 69, 1, NULL, 32, "uint32");
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.power.fpu");
+  tdesc_create_reg (feature, "f0", 32, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f1", 33, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f2", 34, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f3", 35, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f4", 36, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f5", 37, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f6", 38, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f7", 39, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f8", 40, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f9", 41, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f10", 42, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f11", 43, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f12", 44, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f13", 45, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f14", 46, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f15", 47, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f16", 48, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f17", 49, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f18", 50, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f19", 51, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f20", 52, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f21", 53, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f22", 54, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f23", 55, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f24", 56, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f25", 57, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f26", 58, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f27", 59, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f28", 60, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f29", 61, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f30", 62, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "f31", 63, 1, NULL, 64, "ieee_double");
+  tdesc_create_reg (feature, "fpscr", 70, 1, "float", 32, "int");
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.power.linux");
+  tdesc_create_reg (feature, "orig_r3", 71, 1, NULL, 64, "int");
+  tdesc_create_reg (feature, "trap", 72, 1, NULL, 64, "int");
+
+  feature = tdesc_create_feature (result, "org.gnu.gdb.power.altivec");
+  field_type = tdesc_named_type (feature, "ieee_single");
+  tdesc_create_vector (feature, "v4f", field_type, 4);
+
+  field_type = tdesc_named_type (feature, "int32");
+  tdesc_create_vector (feature, "v4i32", field_type, 4);
+
+  field_type = tdesc_named_type (feature, "int16");
+  tdesc_create_vector (feature, "v8i16", field_type, 8);
+
+  field_type = tdesc_named_type (feature, "int8");
+  tdesc_create_vector (feature, "v16i8", field_type, 16);
+
+  type = tdesc_create_union (feature, "vec128");
+  field_type = tdesc_named_type (feature, "uint128");
+  tdesc_add_field (type, "uint128", field_type);
+  field_type = tdesc_named_type (feature, "v4f");
+  tdesc_add_field (type, "v4_float", field_type);
+  field_type = tdesc_named_type (feature, "v4i32");
+  tdesc_add_field (type, "v4_int32", field_type);
+  field_type = tdesc_named_type (feature, "v8i16");
+  tdesc_add_field (type, "v8_int16", field_type);
+  field_type = tdesc_named_type (feature, "v16i8");
+  tdesc_add_field (type, "v16_int8", field_type);
+
+  tdesc_create_reg (feature, "vr0", 73, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr1", 74, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr2", 75, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr3", 76, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr4", 77, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr5", 78, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr6", 79, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr7", 80, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr8", 81, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr9", 82, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr10", 83, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr11", 84, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr12", 85, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr13", 86, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr14", 87, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr15", 88, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr16", 89, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr17", 90, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr18", 91, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr19", 92, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr20", 93, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr21", 94, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr22", 95, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr23", 96, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr24", 97, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr25", 98, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr26", 99, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr27", 100, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr28", 101, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr29", 102, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr30", 103, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vr31", 104, 1, NULL, 128, "vec128");
+  tdesc_create_reg (feature, "vscr", 105, 1, "vector", 32, "int");
+  tdesc_create_reg (feature, "vrsave", 106, 1, "vector", 32, "int");
+
+  tdesc_powerpc_cell64l = result;
+}
Index: src/gdb/features/rs6000/powerpc-cell64l.xml
===================================================================
--- /dev/null
+++ src/gdb/features/rs6000/powerpc-cell64l.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2009 Free Software Foundation, Inc.
+
+     Copying and distribution of this file, with or without modification,
+     are permitted in any medium without royalty provided the copyright
+     notice and this notice are preserved.  -->
+
+<!-- Cell/B.E. architecture.  Identical to the PowerPC 64-bit Linux UISA,
+     but adds support for the SPU as compatible architecture.  -->
+
+<!DOCTYPE target SYSTEM "gdb-target.dtd">
+<target>
+  <architecture>powerpc:common64</architecture>
+  <compatible>spu</compatible>
+  <xi:include href="power64-core.xml"/>
+  <xi:include href="power-fpu.xml"/>
+  <xi:include href="power64-linux.xml"/>
+  <xi:include href="power-altivec.xml"/>
+</target>
Index: src/gdb/gdbserver/configure.srv
===================================================================
--- src.orig/gdb/gdbserver/configure.srv
+++ src/gdb/gdbserver/configure.srv
@@ -115,6 +115,7 @@ case "${target}" in
 			;;
   powerpc*-*-linux*)	srv_regobj="powerpc-32l.o"
 			srv_regobj="${srv_regobj} powerpc-altivec32l.o"
+			srv_regobj="${srv_regobj} powerpc-cell32l.o"
 			srv_regobj="${srv_regobj} powerpc-vsx32l.o"
 			srv_regobj="${srv_regobj} powerpc-isa205-32l.o"
 			srv_regobj="${srv_regobj} powerpc-isa205-altivec32l.o"
@@ -122,6 +123,7 @@ case "${target}" in
 			srv_regobj="${srv_regobj} powerpc-e500l.o"
 			srv_regobj="${srv_regobj} powerpc-64l.o"
 			srv_regobj="${srv_regobj} powerpc-altivec64l.o"
+			srv_regobj="${srv_regobj} powerpc-cell64l.o"
 			srv_regobj="${srv_regobj} powerpc-vsx64l.o"
 			srv_regobj="${srv_regobj} powerpc-isa205-64l.o"
 			srv_regobj="${srv_regobj} powerpc-isa205-altivec64l.o"
@@ -129,6 +131,7 @@ case "${target}" in
 			srv_tgtobj="linux-low.o linux-ppc-low.o"
 			srv_xmlfiles="rs6000/powerpc-32l.xml"
 			srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-altivec32l.xml"
+			srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-cell32l.xml"
 			srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-vsx32l.xml"
 			srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-32l.xml"
 			srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-altivec32l.xml"
@@ -143,6 +146,7 @@ case "${target}" in
 			srv_xmlfiles="${srv_xmlfiles} rs6000/power-spe.xml"
 			srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-64l.xml"
 			srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-altivec64l.xml"
+			srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-cell64l.xml"
 			srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-vsx64l.xml"
 			srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-64l.xml"
 			srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-altivec64l.xml"
Index: src/gdb/gdbserver/linux-ppc-low.c
===================================================================
--- src.orig/gdb/gdbserver/linux-ppc-low.c
+++ src/gdb/gdbserver/linux-ppc-low.c
@@ -28,6 +28,7 @@
 #define PPC_FEATURE_HAS_VSX		0x00000080
 #define PPC_FEATURE_HAS_ALTIVEC         0x10000000
 #define PPC_FEATURE_HAS_SPE             0x00800000
+#define PPC_FEATURE_CELL                0x00010000
 #define PPC_FEATURE_HAS_DFP             0x00000400
 
 static unsigned long ppc_hwcap;
@@ -37,6 +38,8 @@ static unsigned long ppc_hwcap;
 void init_registers_powerpc_32l (void);
 /* Defined in auto-generated file powerpc-altivec32l.c.  */
 void init_registers_powerpc_altivec32l (void);
+/* Defined in auto-generated file powerpc-cell32l.c.  */
+void init_registers_powerpc_cell32l (void);
 /* Defined in auto-generated file powerpc-vsx32l.c.  */
 void init_registers_powerpc_vsx32l (void);
 /* Defined in auto-generated file powerpc-isa205-32l.c.  */
@@ -51,6 +54,8 @@ void init_registers_powerpc_e500l (void)
 void init_registers_powerpc_64l (void);
 /* Defined in auto-generated file powerpc-altivec64l.c.  */
 void init_registers_powerpc_altivec64l (void);
+/* Defined in auto-generated file powerpc-cell64l.c.  */
+void init_registers_powerpc_cell64l (void);
 /* Defined in auto-generated file powerpc-vsx64l.c.  */
 void init_registers_powerpc_vsx64l (void);
 /* Defined in auto-generated file powerpc-isa205-64l.c.  */
@@ -272,7 +277,9 @@ ppc_arch_setup (void)
   if (msr < 0)
     {
       ppc_get_hwcap (&ppc_hwcap);
-      if (ppc_hwcap & PPC_FEATURE_HAS_VSX)
+      if (ppc_hwcap & PPC_FEATURE_CELL)
+	init_registers_powerpc_cell64l ();
+      else if (ppc_hwcap & PPC_FEATURE_HAS_VSX)
 	{
 	  /* Power ISA 2.05 (implemented by Power 6 and newer processors)
 	     increases the FPSCR from 32 bits to 64 bits. Even though Power 7
@@ -302,7 +309,9 @@ ppc_arch_setup (void)
   init_registers_powerpc_32l ();
 
   ppc_get_hwcap (&ppc_hwcap);
-  if (ppc_hwcap & PPC_FEATURE_HAS_VSX)
+  if (ppc_hwcap & PPC_FEATURE_CELL)
+    init_registers_powerpc_cell32l ();
+  else if (ppc_hwcap & PPC_FEATURE_HAS_VSX)
     {
       if (ppc_hwcap & PPC_FEATURE_HAS_DFP)
 	init_registers_powerpc_isa205_vsx32l ();
Index: src/gdb/gdbserver/Makefile.in
===================================================================
--- src.orig/gdb/gdbserver/Makefile.in
+++ src/gdb/gdbserver/Makefile.in
@@ -207,8 +207,8 @@ clean:
 	rm -f reg-cris.c reg-crisv32.c reg-x86-64-linux.c reg-xtensa.c
 	rm -f arm-with-iwmmxt.c mips-linux.c mips64-linux.c
 	rm -f powerpc-32l.c powerpc-64l.c powerpc-e500l.c
-	rm -f powerpc-altivec32l.c powerpc-vsx32l.c powerpc-altivec64l.c
-	rm -f powerpc-vsx64l.c
+	rm -f powerpc-altivec32l.c powerpc-cell32l.c powerpc-vsx32l.c
+	rm -f powerpc-altivec64l.c powerpc-cell64l.c powerpc-vsx64l.c
 	rm -f powerpc-isa205-32l.c powerpc-isa205-64l.c
 	rm -f powerpc-isa205-altivec32l.c powerpc-isa205-vsx32l.c powerpc-isa205-altivec64l.c
 	rm -f powerpc-isa205-vsx64l.c
@@ -359,6 +359,9 @@ powerpc-32l.c : $(srcdir)/../regformats/
 powerpc-altivec32l.o : powerpc-altivec32l.c $(regdef_h)
 powerpc-altivec32l.c : $(srcdir)/../regformats/rs6000/powerpc-altivec32l.dat $(regdat_sh)
 	$(SHELL) $(regdat_sh) $(srcdir)/../regformats/rs6000/powerpc-altivec32l.dat powerpc-altivec32l.c
+powerpc-cell32l.o : powerpc-cell32l.c $(regdef_h)
+powerpc-cell32l.c : $(srcdir)/../regformats/rs6000/powerpc-cell32l.dat $(regdat_sh)
+	$(SHELL) $(regdat_sh) $(srcdir)/../regformats/rs6000/powerpc-cell32l.dat powerpc-cell32l.c
 powerpc-vsx32l.o : powerpc-vsx32l.c $(regdef_h)
 powerpc-vsx32l.c : $(srcdir)/../regformats/rs6000/powerpc-vsx32l.dat $(regdat_sh)
 	$(SHELL) $(regdat_sh) $(srcdir)/../regformats/rs6000/powerpc-vsx32l.dat powerpc-vsx32l.c
@@ -380,6 +383,9 @@ powerpc-64l.c : $(srcdir)/../regformats/
 powerpc-altivec64l.o : powerpc-altivec64l.c $(regdef_h)
 powerpc-altivec64l.c : $(srcdir)/../regformats/rs6000/powerpc-altivec64l.dat $(regdat_sh)
 	$(SHELL) $(regdat_sh) $(srcdir)/../regformats/rs6000/powerpc-altivec64l.dat powerpc-altivec64l.c
+powerpc-cell64l.o : powerpc-cell64l.c $(regdef_h)
+powerpc-cell64l.c : $(srcdir)/../regformats/rs6000/powerpc-cell64l.dat $(regdat_sh)
+	$(SHELL) $(regdat_sh) $(srcdir)/../regformats/rs6000/powerpc-cell64l.dat powerpc-cell64l.c
 powerpc-vsx64l.o : powerpc-vsx64l.c $(regdef_h)
 powerpc-vsx64l.c : $(srcdir)/../regformats/rs6000/powerpc-vsx64l.dat $(regdat_sh)
 	$(SHELL) $(regdat_sh) $(srcdir)/../regformats/rs6000/powerpc-vsx64l.dat powerpc-vsx64l.c
Index: src/gdb/ppc-linux-nat.c
===================================================================
--- src.orig/gdb/ppc-linux-nat.c
+++ src/gdb/ppc-linux-nat.c
@@ -60,6 +60,9 @@
    If they aren't, we can provide them ourselves (their values are fixed
    because they are part of the kernel ABI).  They are used in the AT_HWCAP
    entry of the AUXV.  */
+#ifndef PPC_FEATURE_CELL
+#define PPC_FEATURE_CELL 0x00010000
+#endif
 #ifndef PPC_FEATURE_BOOKE
 #define PPC_FEATURE_BOOKE 0x00008000
 #endif
@@ -1547,6 +1550,7 @@ ppc_linux_read_description (struct targe
   int altivec = 0;
   int vsx = 0;
   int isa205 = 0;
+  int cell = 0;
 
   int tid = TIDGET (inferior_ptid);
   if (tid == 0)
@@ -1600,9 +1604,14 @@ ppc_linux_read_description (struct targe
   if (ppc_linux_get_hwcap () & PPC_FEATURE_HAS_DFP)
     isa205 = 1;
 
+  if (ppc_linux_get_hwcap () & PPC_FEATURE_CELL)
+    cell = 1;
+
   if (ppc_linux_target_wordsize () == 8)
     {
-      if (vsx)
+      if (cell)
+	return tdesc_powerpc_cell64l;
+      else if (vsx)
 	return isa205? tdesc_powerpc_isa205_vsx64l : tdesc_powerpc_vsx64l;
       else if (altivec)
 	return isa205? tdesc_powerpc_isa205_altivec64l : tdesc_powerpc_altivec64l;
@@ -1610,7 +1619,9 @@ ppc_linux_read_description (struct targe
       return isa205? tdesc_powerpc_isa205_64l : tdesc_powerpc_64l;
     }
 
-  if (vsx)
+  if (cell)
+    return tdesc_powerpc_cell32l;
+  else if (vsx)
     return isa205? tdesc_powerpc_isa205_vsx32l : tdesc_powerpc_vsx32l;
   else if (altivec)
     return isa205? tdesc_powerpc_isa205_altivec32l : tdesc_powerpc_altivec32l;
Index: src/gdb/ppc-linux-tdep.c
===================================================================
--- src.orig/gdb/ppc-linux-tdep.c
+++ src/gdb/ppc-linux-tdep.c
@@ -41,12 +41,14 @@
 
 #include "features/rs6000/powerpc-32l.c"
 #include "features/rs6000/powerpc-altivec32l.c"
+#include "features/rs6000/powerpc-cell32l.c"
 #include "features/rs6000/powerpc-vsx32l.c"
 #include "features/rs6000/powerpc-isa205-32l.c"
 #include "features/rs6000/powerpc-isa205-altivec32l.c"
 #include "features/rs6000/powerpc-isa205-vsx32l.c"
 #include "features/rs6000/powerpc-64l.c"
 #include "features/rs6000/powerpc-altivec64l.c"
+#include "features/rs6000/powerpc-cell64l.c"
 #include "features/rs6000/powerpc-vsx64l.c"
 #include "features/rs6000/powerpc-isa205-64l.c"
 #include "features/rs6000/powerpc-isa205-altivec64l.c"
@@ -1034,11 +1036,18 @@ ppc_linux_write_pc (struct regcache *reg
     regcache_cooked_write_unsigned (regcache, PPC_TRAP_REGNUM, -1);
 }
 
+static int
+ppc_linux_spu_section (bfd *abfd, asection *asect, void *user_data)
+{
+  return strncmp (bfd_section_name (abfd, asect), "SPU/", 4) == 0;
+}
+
 static const struct target_desc *
 ppc_linux_core_read_description (struct gdbarch *gdbarch,
 				 struct target_ops *target,
 				 bfd *abfd)
 {
+  asection *cell = bfd_sections_find_if (abfd, ppc_linux_spu_section, NULL);
   asection *altivec = bfd_get_section_by_name (abfd, ".reg-ppc-vmx");
   asection *vsx = bfd_get_section_by_name (abfd, ".reg-ppc-vsx");
   asection *section = bfd_get_section_by_name (abfd, ".reg");
@@ -1048,7 +1057,9 @@ ppc_linux_core_read_description (struct 
   switch (bfd_section_size (abfd, section))
     {
     case 48 * 4:
-      if (vsx)
+      if (cell)
+	return tdesc_powerpc_cell32l;
+      else if (vsx)
 	return tdesc_powerpc_vsx32l;
       else if (altivec)
 	return tdesc_powerpc_altivec32l;
@@ -1056,7 +1067,9 @@ ppc_linux_core_read_description (struct 
 	return tdesc_powerpc_32l;
 
     case 48 * 8:
-      if (vsx)
+      if (cell)
+	return tdesc_powerpc_cell64l;
+      else if (vsx)
 	return tdesc_powerpc_vsx64l;
       else if (altivec)
 	return tdesc_powerpc_altivec64l;
@@ -1196,12 +1209,14 @@ _initialize_ppc_linux_tdep (void)
   /* Initialize the Linux target descriptions.  */
   initialize_tdesc_powerpc_32l ();
   initialize_tdesc_powerpc_altivec32l ();
+  initialize_tdesc_powerpc_cell32l ();
   initialize_tdesc_powerpc_vsx32l ();
   initialize_tdesc_powerpc_isa205_32l ();
   initialize_tdesc_powerpc_isa205_altivec32l ();
   initialize_tdesc_powerpc_isa205_vsx32l ();
   initialize_tdesc_powerpc_64l ();
   initialize_tdesc_powerpc_altivec64l ();
+  initialize_tdesc_powerpc_cell64l ();
   initialize_tdesc_powerpc_vsx64l ();
   initialize_tdesc_powerpc_isa205_64l ();
   initialize_tdesc_powerpc_isa205_altivec64l ();
Index: src/gdb/ppc-linux-tdep.h
===================================================================
--- src.orig/gdb/ppc-linux-tdep.h
+++ src/gdb/ppc-linux-tdep.h
@@ -41,6 +41,7 @@ int ppc_linux_trap_reg_p (struct gdbarch
 /* Linux target descriptions.  */
 extern struct target_desc *tdesc_powerpc_32l;
 extern struct target_desc *tdesc_powerpc_altivec32l;
+extern struct target_desc *tdesc_powerpc_cell32l;
 extern struct target_desc *tdesc_powerpc_vsx32l;
 extern struct target_desc *tdesc_powerpc_isa205_32l;
 extern struct target_desc *tdesc_powerpc_isa205_altivec32l;
@@ -48,6 +49,7 @@ extern struct target_desc *tdesc_powerpc
 extern struct target_desc *tdesc_powerpc_e500l;
 extern struct target_desc *tdesc_powerpc_64l;
 extern struct target_desc *tdesc_powerpc_altivec64l;
+extern struct target_desc *tdesc_powerpc_cell64l;
 extern struct target_desc *tdesc_powerpc_vsx64l;
 extern struct target_desc *tdesc_powerpc_isa205_64l;
 extern struct target_desc *tdesc_powerpc_isa205_altivec64l;
Index: src/gdb/regformats/rs6000/powerpc-cell32l.dat
===================================================================
--- /dev/null
+++ src/gdb/regformats/rs6000/powerpc-cell32l.dat
@@ -0,0 +1,111 @@
+# DO NOT EDIT: generated from rs6000/powerpc-cell32l.xml
+name:powerpc_cell32l
+xmltarget:powerpc-cell32l.xml
+expedite:r1,pc,r0,orig_r3,r4
+32:r0
+32:r1
+32:r2
+32:r3
+32:r4
+32:r5
+32:r6
+32:r7
+32:r8
+32:r9
+32:r10
+32:r11
+32:r12
+32:r13
+32:r14
+32:r15
+32:r16
+32:r17
+32:r18
+32:r19
+32:r20
+32:r21
+32:r22
+32:r23
+32:r24
+32:r25
+32:r26
+32:r27
+32:r28
+32:r29
+32:r30
+32:r31
+64:f0
+64:f1
+64:f2
+64:f3
+64:f4
+64:f5
+64:f6
+64:f7
+64:f8
+64:f9
+64:f10
+64:f11
+64:f12
+64:f13
+64:f14
+64:f15
+64:f16
+64:f17
+64:f18
+64:f19
+64:f20
+64:f21
+64:f22
+64:f23
+64:f24
+64:f25
+64:f26
+64:f27
+64:f28
+64:f29
+64:f30
+64:f31
+32:pc
+32:msr
+32:cr
+32:lr
+32:ctr
+32:xer
+32:fpscr
+32:orig_r3
+32:trap
+128:vr0
+128:vr1
+128:vr2
+128:vr3
+128:vr4
+128:vr5
+128:vr6
+128:vr7
+128:vr8
+128:vr9
+128:vr10
+128:vr11
+128:vr12
+128:vr13
+128:vr14
+128:vr15
+128:vr16
+128:vr17
+128:vr18
+128:vr19
+128:vr20
+128:vr21
+128:vr22
+128:vr23
+128:vr24
+128:vr25
+128:vr26
+128:vr27
+128:vr28
+128:vr29
+128:vr30
+128:vr31
+32:vscr
+32:vrsave
Index: src/gdb/regformats/rs6000/powerpc-cell64l.dat
===================================================================
--- /dev/null
+++ src/gdb/regformats/rs6000/powerpc-cell64l.dat
@@ -0,0 +1,111 @@
+# DO NOT EDIT: generated from rs6000/powerpc-cell64l.xml
+name:powerpc_cell64l
+xmltarget:powerpc-cell64l.xml
+expedite:r1,pc,r0,orig_r3,r4
+64:r0
+64:r1
+64:r2
+64:r3
+64:r4
+64:r5
+64:r6
+64:r7
+64:r8
+64:r9
+64:r10
+64:r11
+64:r12
+64:r13
+64:r14
+64:r15
+64:r16
+64:r17
+64:r18
+64:r19
+64:r20
+64:r21
+64:r22
+64:r23
+64:r24
+64:r25
+64:r26
+64:r27
+64:r28
+64:r29
+64:r30
+64:r31
+64:f0
+64:f1
+64:f2
+64:f3
+64:f4
+64:f5
+64:f6
+64:f7
+64:f8
+64:f9
+64:f10
+64:f11
+64:f12
+64:f13
+64:f14
+64:f15
+64:f16
+64:f17
+64:f18
+64:f19
+64:f20
+64:f21
+64:f22
+64:f23
+64:f24
+64:f25
+64:f26
+64:f27
+64:f28
+64:f29
+64:f30
+64:f31
+64:pc
+64:msr
+32:cr
+64:lr
+64:ctr
+32:xer
+32:fpscr
+64:orig_r3
+64:trap
+128:vr0
+128:vr1
+128:vr2
+128:vr3
+128:vr4
+128:vr5
+128:vr6
+128:vr7
+128:vr8
+128:vr9
+128:vr10
+128:vr11
+128:vr12
+128:vr13
+128:vr14
+128:vr15
+128:vr16
+128:vr17
+128:vr18
+128:vr19
+128:vr20
+128:vr21
+128:vr22
+128:vr23
+128:vr24
+128:vr25
+128:vr26
+128:vr27
+128:vr28
+128:vr29
+128:vr30
+128:vr31
+32:vscr
+32:vrsave
Index: src/gdb/rs6000-tdep.c
===================================================================
--- src.orig/gdb/rs6000-tdep.c
+++ src/gdb/rs6000-tdep.c
@@ -3357,6 +3357,16 @@ rs6000_gdbarch_init (struct gdbarch_info
   int num_pseudoregs = 0;
   int cur_reg;
 
+  /* INFO may refer to a binary that is not of the PowerPC architecture,
+     e.g. when debugging a stand-alone SPE executable on a Cell/B.E. system.
+     In this case, we must not attempt to infer properties of the (PowerPC
+     side) of the target system from properties of that executable.  Trust
+     the target description instead.  */
+  if (info.abfd
+      && bfd_get_arch (info.abfd) != bfd_arch_powerpc
+      && bfd_get_arch (info.abfd) != bfd_arch_rs6000)
+    info.abfd = NULL;
+
   from_xcoff_exec = info.abfd && info.abfd->format == bfd_object &&
     bfd_get_flavour (info.abfd) == bfd_target_xcoff_flavour;
 
-- 
  Dr. Ulrich Weigand
  GNU Toolchain for Linux on System z and Cell BE
  Ulrich.Weigand@de.ibm.com


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