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-rw-r--r--gdb/ChangeLog57
-rw-r--r--gdb/arch/ppc-linux-common.c6
-rw-r--r--gdb/arch/ppc-linux-common.h4
-rw-r--r--gdb/arch/ppc-linux-tdesc.h2
-rw-r--r--gdb/doc/ChangeLog5
-rw-r--r--gdb/doc/gdb.texinfo6
-rw-r--r--gdb/features/Makefile4
-rw-r--r--gdb/features/rs6000/power-dscr.xml12
-rw-r--r--gdb/features/rs6000/power-ppr.xml12
-rw-r--r--gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.c200
-rw-r--r--gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.xml18
-rw-r--r--gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.c200
-rw-r--r--gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.xml18
-rw-r--r--gdb/gdbserver/ChangeLog33
-rw-r--r--gdb/gdbserver/configure.srv8
-rw-r--r--gdb/gdbserver/linux-ppc-ipa.c6
-rw-r--r--gdb/gdbserver/linux-ppc-low.c97
-rw-r--r--gdb/gdbserver/linux-ppc-tdesc-init.h7
-rw-r--r--gdb/nat/ppc-linux.h13
-rw-r--r--gdb/ppc-linux-nat.c145
-rw-r--r--gdb/ppc-linux-tdep.c54
-rw-r--r--gdb/ppc-linux-tdep.h4
-rw-r--r--gdb/ppc-tdep.h8
-rw-r--r--gdb/regformats/rs6000/powerpc-isa205-ppr-dscr-vsx32l.dat146
-rw-r--r--gdb/regformats/rs6000/powerpc-isa205-ppr-dscr-vsx64l.dat146
-rw-r--r--gdb/rs6000-tdep.c62
-rw-r--r--gdb/testsuite/ChangeLog5
-rw-r--r--gdb/testsuite/gdb.arch/powerpc-ppr-dscr.c34
-rw-r--r--gdb/testsuite/gdb.arch/powerpc-ppr-dscr.exp120
29 files changed, 1428 insertions, 4 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index d9b5f0a..8abdec5 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,60 @@
+2018-10-26 Edjunior Barbosa Machado <emachado@linux.vnet.ibm.com>
+ Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
+
+ * arch/ppc-linux-tdesc.h (tdesc_powerpc_isa205_ppr_dscr_vsx32l)
+ (tdesc_powerpc_isa205_ppr_dscr_vsx64l): Declare.
+ * arch/ppc-linux-common.h (PPC_LINUX_SIZEOF_PPRREGSET)
+ (PPC_LINUX_SIZEOF_DSCRREGSET): Define.
+ (struct ppc_linux_features) <ppr_dscr>: New field.
+ (ppc_linux_no_features): Add initializer for ppr_dscr field.
+ * arch/ppc-linux-common.c (ppc_linux_match_description): Return
+ new tdescs.
+ * nat/ppc-linux.h (PPC_FEATURE2_DSCR, NT_PPC_PPR, NT_PPC_DSCR):
+ Define if not already defined.
+ * features/Makefile (WHICH): Add
+ rs6000/powerpc-isa205-ppr-dscr-vsx32l and
+ rs6000/powerpc-isa205-ppr-dscr-vsx64l.
+ (XMLTOC): Add rs6000/powerpc-isa205-ppr-dscr-vsx32l.xml and
+ rs6000/powerpc-isa205-ppr-dscr-vsx64l.xml.
+ * features/rs6000/power-dscr.xml: New file.
+ * features/rs6000/power-ppr.xml: New file.
+ * features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.xml: New file.
+ * features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.xml: New file.
+ * features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.c: Generate.
+ * features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.c: Generate.
+ * regformats/rs6000/powerpc-isa205-ppr-dscr-vsx32l.dat: Generate.
+ * regformats/rs6000/powerpc-isa205-ppr-dscr-vsx64l.dat: Generate.
+ * ppc-linux-nat.c: Include <sys/uio.h>.
+ (fetch_regset, store_regset, check_regset): New functions.
+ (fetch_register, fetch_ppc_registers): Call fetch_regset with
+ DSCR and PPR regsets.
+ (store_register, store_ppc_registers): Call store_regset with
+ DSCR and PPR regsets.
+ (ppc_linux_get_hwcap2): New function.
+ (ppc_linux_nat_target::read_description): Call
+ ppc_linux_get_hwcap2 and check_regset, set ppr_dscr field in the
+ features struct if needed.
+ * ppc-linux-tdep.c: Include
+ features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.c and
+ features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.c.
+ (ppc32_regmap_ppr, ppc32_regmap_dscr, ppc32_linux_pprregset)
+ (ppc32_linux_dscrregset): New globals.
+ (ppc_linux_iterate_over_regset_sections): Call back with the ppr
+ and dscr regsets.
+ (ppc_linux_core_read_description): Check if the ppr and dscr
+ sections are present and set ppr_dscr in the features struct.
+ (_initialize_ppc_linux_tdep): Call
+ initialize_tdesc_powerpc_isa205_ppr_dscr_vsx32l and
+ initialize_tdesc_powerpc_isa205_ppr_dscr_vsx64l.
+ * ppc-linux-tdep.h (ppc32_linux_pprregset)
+ (ppc32_linux_dscrregset): Declare.
+ * ppc-tdep.h (struct gdbarch_tdep) <ppc_ppr_regnum>: New field.
+ <ppc_dscr_regnum>: New field.
+ (enum) <PPC_PPR_REGNUM, PPC_DSCR_REGNUM>: New enum values.
+ * rs6000-tdep.c (rs6000_gdbarch_init): Look for and validate ppr
+ and dscr features.
+ (ppc_process_record_op31): Record changes to PPR and DSCR.
+
2018-10-26 Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
* rs6000-tdep.c (rs6000_gdbarch_init): Replace line wrapping by a
diff --git a/gdb/arch/ppc-linux-common.c b/gdb/arch/ppc-linux-common.c
index eb7de40..7cf08eb 100644
--- a/gdb/arch/ppc-linux-common.c
+++ b/gdb/arch/ppc-linux-common.c
@@ -53,7 +53,8 @@ ppc_linux_match_description (struct ppc_linux_features features)
if (features.cell)
tdesc = tdesc_powerpc_cell64l;
else if (features.vsx)
- tdesc = (features.isa205? tdesc_powerpc_isa205_vsx64l
+ tdesc = (features.ppr_dscr? tdesc_powerpc_isa205_ppr_dscr_vsx64l
+ : features.isa205? tdesc_powerpc_isa205_vsx64l
: tdesc_powerpc_vsx64l);
else if (features.altivec)
tdesc = (features.isa205? tdesc_powerpc_isa205_altivec64l
@@ -69,7 +70,8 @@ ppc_linux_match_description (struct ppc_linux_features features)
if (features.cell)
tdesc = tdesc_powerpc_cell32l;
else if (features.vsx)
- tdesc = (features.isa205? tdesc_powerpc_isa205_vsx32l
+ tdesc = (features.ppr_dscr? tdesc_powerpc_isa205_ppr_dscr_vsx32l
+ : features.isa205? tdesc_powerpc_isa205_vsx32l
: tdesc_powerpc_vsx32l);
else if (features.altivec)
tdesc = (features.isa205? tdesc_powerpc_isa205_altivec32l
diff --git a/gdb/arch/ppc-linux-common.h b/gdb/arch/ppc-linux-common.h
index 2f535e8..666954e 100644
--- a/gdb/arch/ppc-linux-common.h
+++ b/gdb/arch/ppc-linux-common.h
@@ -30,6 +30,8 @@ struct target_desc;
#define PPC_LINUX_SIZEOF_VRREGSET 544
#define PPC_LINUX_SIZEOF_VSXREGSET 256
+#define PPC_LINUX_SIZEOF_PPRREGSET 8
+#define PPC_LINUX_SIZEOF_DSCRREGSET 8
/* Check if the hwcap auxv entry indicates that isa205 is supported. */
bool ppc_linux_has_isa205 (CORE_ADDR hwcap);
@@ -41,6 +43,7 @@ struct ppc_linux_features
bool altivec;
bool vsx;
bool isa205;
+ bool ppr_dscr;
bool cell;
};
@@ -51,6 +54,7 @@ const struct ppc_linux_features ppc_linux_no_features = {
false,
false,
false,
+ false,
};
/* Return a target description that matches FEATURES. */
diff --git a/gdb/arch/ppc-linux-tdesc.h b/gdb/arch/ppc-linux-tdesc.h
index 594c7c7..3b5a228 100644
--- a/gdb/arch/ppc-linux-tdesc.h
+++ b/gdb/arch/ppc-linux-tdesc.h
@@ -29,6 +29,7 @@ extern struct target_desc *tdesc_powerpc_vsx32l;
extern struct target_desc *tdesc_powerpc_isa205_32l;
extern struct target_desc *tdesc_powerpc_isa205_altivec32l;
extern struct target_desc *tdesc_powerpc_isa205_vsx32l;
+extern struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx32l;
extern struct target_desc *tdesc_powerpc_e500l;
extern struct target_desc *tdesc_powerpc_64l;
@@ -38,5 +39,6 @@ extern struct target_desc *tdesc_powerpc_vsx64l;
extern struct target_desc *tdesc_powerpc_isa205_64l;
extern struct target_desc *tdesc_powerpc_isa205_altivec64l;
extern struct target_desc *tdesc_powerpc_isa205_vsx64l;
+extern struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx64l;
#endif /* ARCH_PPC_LINUX_TDESC_H */
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 5a880e7..8cb2d02 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-26 Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
+
+ * gdb.texinfo (PowerPC Features): Describe new features
+ "org.gnu.gdb.power.ppr" and "org.gnu.gdb.power.dscr".
+
2018-10-20 Tom Tromey <tom@tromey.com>
* gdb.texinfo (TUI Commands): Add @end table.
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 9927613..bd2b402 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -43192,6 +43192,12 @@ contain registers @samp{ev0h} through @samp{ev31h}, @samp{acc}, and
these to present registers @samp{ev0} through @samp{ev31} to the
user.
+The @samp{org.gnu.gdb.power.ppr} feature is optional. It should
+contain the 64-bit register @samp{ppr}.
+
+The @samp{org.gnu.gdb.power.dscr} feature is optional. It should
+contain the 64-bit register @samp{dscr}.
+
@node S/390 and System z Features
@subsection S/390 and System z Features
@cindex target descriptions, S/390 features
diff --git a/gdb/features/Makefile b/gdb/features/Makefile
index 168c46e..9755646 100644
--- a/gdb/features/Makefile
+++ b/gdb/features/Makefile
@@ -73,6 +73,8 @@ WHICH = aarch64 \
rs6000/powerpc-isa205-32l rs6000/powerpc-isa205-64l \
rs6000/powerpc-isa205-altivec32l rs6000/powerpc-isa205-altivec64l \
rs6000/powerpc-isa205-vsx32l rs6000/powerpc-isa205-vsx64l \
+ rs6000/powerpc-isa205-ppr-dscr-vsx32l \
+ rs6000/powerpc-isa205-ppr-dscr-vsx64l \
s390-linux32 s390-linux64 s390x-linux64 \
s390-linux32v1 s390-linux64v1 s390x-linux64v1 \
s390-linux32v2 s390-linux64v2 s390x-linux64v2 \
@@ -167,6 +169,8 @@ XMLTOC = \
rs6000/powerpc-isa205-altivec64l.xml \
rs6000/powerpc-isa205-vsx32l.xml \
rs6000/powerpc-isa205-vsx64l.xml \
+ rs6000/powerpc-isa205-ppr-dscr-vsx32l.xml \
+ rs6000/powerpc-isa205-ppr-dscr-vsx64l.xml \
rs6000/powerpc-vsx32.xml \
rs6000/powerpc-vsx32l.xml \
rs6000/powerpc-vsx64.xml \
diff --git a/gdb/features/rs6000/power-dscr.xml b/gdb/features/rs6000/power-dscr.xml
new file mode 100644
index 0000000..98a0bca
--- /dev/null
+++ b/gdb/features/rs6000/power-dscr.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2018 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. -->
+
+<!-- POWER Data Stream Control Register. -->
+<!DOCTYPE feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.power.dscr">
+ <reg name="dscr" bitsize="64" type="uint64"/>
+</feature>
diff --git a/gdb/features/rs6000/power-ppr.xml b/gdb/features/rs6000/power-ppr.xml
new file mode 100644
index 0000000..bf76544
--- /dev/null
+++ b/gdb/features/rs6000/power-ppr.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2018 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. -->
+
+<!-- POWER Program Priority Register. -->
+<!DOCTYPE feature SYSTEM "gdb-target.dtd">
+<feature name="org.gnu.gdb.power.ppr">
+ <reg name="ppr" bitsize="64" type="uint64"/>
+</feature>
diff --git a/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.c b/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.c
new file mode 100644
index 0000000..c8f56ea
--- /dev/null
+++ b/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.c
@@ -0,0 +1,200 @@
+/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
+ Original: powerpc-isa205-ppr-dscr-vsx32l.xml */
+
+#include "defs.h"
+#include "osabi.h"
+#include "target-descriptions.h"
+
+struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx32l;
+static void
+initialize_tdesc_powerpc_isa205_ppr_dscr_vsx32l (void)
+{
+ struct target_desc *result = allocate_target_description ();
+ set_tdesc_architecture (result, bfd_scan_arch ("powerpc:common"));
+
+ struct tdesc_feature *feature;
+
+ 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", 64, "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");
+ tdesc_type *element_type;
+ element_type = tdesc_named_type (feature, "ieee_single");
+ tdesc_create_vector (feature, "v4f", element_type, 4);
+
+ element_type = tdesc_named_type (feature, "int32");
+ tdesc_create_vector (feature, "v4i32", element_type, 4);
+
+ element_type = tdesc_named_type (feature, "int16");
+ tdesc_create_vector (feature, "v8i16", element_type, 8);
+
+ element_type = tdesc_named_type (feature, "int8");
+ tdesc_create_vector (feature, "v16i8", element_type, 16);
+
+ tdesc_type_with_fields *type_with_fields;
+ type_with_fields = tdesc_create_union (feature, "vec128");
+ tdesc_type *field_type;
+ field_type = tdesc_named_type (feature, "uint128");
+ tdesc_add_field (type_with_fields, "uint128", field_type);
+ field_type = tdesc_named_type (feature, "v4f");
+ tdesc_add_field (type_with_fields, "v4_float", field_type);
+ field_type = tdesc_named_type (feature, "v4i32");
+ tdesc_add_field (type_with_fields, "v4_int32", field_type);
+ field_type = tdesc_named_type (feature, "v8i16");
+ tdesc_add_field (type_with_fields, "v8_int16", field_type);
+ field_type = tdesc_named_type (feature, "v16i8");
+ tdesc_add_field (type_with_fields, "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");
+
+ feature = tdesc_create_feature (result, "org.gnu.gdb.power.vsx");
+ tdesc_create_reg (feature, "vs0h", 107, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs1h", 108, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs2h", 109, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs3h", 110, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs4h", 111, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs5h", 112, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs6h", 113, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs7h", 114, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs8h", 115, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs9h", 116, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs10h", 117, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs11h", 118, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs12h", 119, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs13h", 120, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs14h", 121, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs15h", 122, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs16h", 123, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs17h", 124, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs18h", 125, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs19h", 126, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs20h", 127, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs21h", 128, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs22h", 129, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs23h", 130, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs24h", 131, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs25h", 132, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs26h", 133, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs27h", 134, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs28h", 135, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs29h", 136, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs30h", 137, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs31h", 138, 1, NULL, 64, "uint64");
+
+ feature = tdesc_create_feature (result, "org.gnu.gdb.power.ppr");
+ tdesc_create_reg (feature, "ppr", 139, 1, NULL, 64, "uint64");
+
+ feature = tdesc_create_feature (result, "org.gnu.gdb.power.dscr");
+ tdesc_create_reg (feature, "dscr", 140, 1, NULL, 64, "uint64");
+
+ tdesc_powerpc_isa205_ppr_dscr_vsx32l = result;
+}
diff --git a/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.xml b/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.xml
new file mode 100644
index 0000000..6f46f89
--- /dev/null
+++ b/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx32l.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2018 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. -->
+
+<!DOCTYPE target SYSTEM "gdb-target.dtd">
+<target>
+ <architecture>powerpc:common</architecture>
+ <xi:include href="power-core.xml"/>
+ <xi:include href="power-fpu-isa205.xml"/>
+ <xi:include href="power-linux.xml"/>
+ <xi:include href="power-altivec.xml"/>
+ <xi:include href="power-vsx.xml"/>
+ <xi:include href="power-ppr.xml"/>
+ <xi:include href="power-dscr.xml"/>
+</target>
diff --git a/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.c b/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.c
new file mode 100644
index 0000000..76e32f3
--- /dev/null
+++ b/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.c
@@ -0,0 +1,200 @@
+/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
+ Original: powerpc-isa205-ppr-dscr-vsx64l.xml */
+
+#include "defs.h"
+#include "osabi.h"
+#include "target-descriptions.h"
+
+struct target_desc *tdesc_powerpc_isa205_ppr_dscr_vsx64l;
+static void
+initialize_tdesc_powerpc_isa205_ppr_dscr_vsx64l (void)
+{
+ struct target_desc *result = allocate_target_description ();
+ set_tdesc_architecture (result, bfd_scan_arch ("powerpc:common64"));
+
+ struct tdesc_feature *feature;
+
+ 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", 64, "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");
+ tdesc_type *element_type;
+ element_type = tdesc_named_type (feature, "ieee_single");
+ tdesc_create_vector (feature, "v4f", element_type, 4);
+
+ element_type = tdesc_named_type (feature, "int32");
+ tdesc_create_vector (feature, "v4i32", element_type, 4);
+
+ element_type = tdesc_named_type (feature, "int16");
+ tdesc_create_vector (feature, "v8i16", element_type, 8);
+
+ element_type = tdesc_named_type (feature, "int8");
+ tdesc_create_vector (feature, "v16i8", element_type, 16);
+
+ tdesc_type_with_fields *type_with_fields;
+ type_with_fields = tdesc_create_union (feature, "vec128");
+ tdesc_type *field_type;
+ field_type = tdesc_named_type (feature, "uint128");
+ tdesc_add_field (type_with_fields, "uint128", field_type);
+ field_type = tdesc_named_type (feature, "v4f");
+ tdesc_add_field (type_with_fields, "v4_float", field_type);
+ field_type = tdesc_named_type (feature, "v4i32");
+ tdesc_add_field (type_with_fields, "v4_int32", field_type);
+ field_type = tdesc_named_type (feature, "v8i16");
+ tdesc_add_field (type_with_fields, "v8_int16", field_type);
+ field_type = tdesc_named_type (feature, "v16i8");
+ tdesc_add_field (type_with_fields, "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");
+
+ feature = tdesc_create_feature (result, "org.gnu.gdb.power.vsx");
+ tdesc_create_reg (feature, "vs0h", 107, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs1h", 108, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs2h", 109, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs3h", 110, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs4h", 111, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs5h", 112, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs6h", 113, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs7h", 114, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs8h", 115, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs9h", 116, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs10h", 117, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs11h", 118, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs12h", 119, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs13h", 120, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs14h", 121, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs15h", 122, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs16h", 123, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs17h", 124, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs18h", 125, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs19h", 126, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs20h", 127, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs21h", 128, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs22h", 129, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs23h", 130, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs24h", 131, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs25h", 132, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs26h", 133, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs27h", 134, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs28h", 135, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs29h", 136, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs30h", 137, 1, NULL, 64, "uint64");
+ tdesc_create_reg (feature, "vs31h", 138, 1, NULL, 64, "uint64");
+
+ feature = tdesc_create_feature (result, "org.gnu.gdb.power.ppr");
+ tdesc_create_reg (feature, "ppr", 139, 1, NULL, 64, "uint64");
+
+ feature = tdesc_create_feature (result, "org.gnu.gdb.power.dscr");
+ tdesc_create_reg (feature, "dscr", 140, 1, NULL, 64, "uint64");
+
+ tdesc_powerpc_isa205_ppr_dscr_vsx64l = result;
+}
diff --git a/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.xml b/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.xml
new file mode 100644
index 0000000..8cfd7ac
--- /dev/null
+++ b/gdb/features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0"?>
+<!-- Copyright (C) 2018 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. -->
+
+<!DOCTYPE target SYSTEM "gdb-target.dtd">
+<target>
+ <architecture>powerpc:common64</architecture>
+ <xi:include href="power64-core.xml"/>
+ <xi:include href="power-fpu-isa205.xml"/>
+ <xi:include href="power64-linux.xml"/>
+ <xi:include href="power-altivec.xml"/>
+ <xi:include href="power-vsx.xml"/>
+ <xi:include href="power-ppr.xml"/>
+ <xi:include href="power-dscr.xml"/>
+</target>
diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 42fafac..526b787 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,3 +1,36 @@
+2018-10-26 Edjunior Barbosa Machado <emachado@linux.vnet.ibm.com>
+ Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
+
+ * configure.srv (ipa_ppc_linux_regobj): Add
+ powerpc-isa205-ppr-dscr-vsx32l-ipa.o and
+ powerpc-isa205-ppr-dscr-vsx64l-ipa.o.
+ (powerpc*-*-linux*): Add powerpc-isa205-ppr-dscr-vsx32l.o and
+ powerpc-isa205-ppr-dscr-vsx64l.o to srv_regobj, add
+ rs6000/power-dscr.xml, rs6000/power-ppr.xml,
+ rs6000/powerpc-isa205-ppr-dscr-vsx32l.xml and
+ rs6000/powerpc-isa205-ppr-dscr-vsx64l.xml to srv_xmlfiles.
+ * linux-ppc-tdesc-init.h (enum ppc_linux_tdesc)
+ <PPC_TDESC_ISA205_PPR_DSCR_VSX>: New enum value.
+ (init_registers_powerpc_isa205_ppr_dscr_vsx32l)
+ (init_registers_powerpc_isa205_ppr_dscr_vsx64l): Declare.
+ * linux-ppc-low.c: Include "elf/common.h" and <sys/uio.h>.
+ (ppc_hwcap): Add comment.
+ (ppc_hwcap2): New global.
+ (ppc_check_regset, ppc_fill_pprregset, ppc_store_pprregset)
+ (ppc_fill_dscrregset, ppc_store_dscrregset): New functions.
+ (ppc_regsets): Add entries for the DSCR and PPR regsets.
+ (ppc_arch_setup): Get AT_HWCAP2. Set ppr_dscr in features struct
+ when needed. Set sizes for the the DSCR and PPR regsets.
+ (ppc_get_ipa_tdesc_idx): Return PPC_TDESC_ISA205_PPR_DSCR_VSX.
+ (initialize_low_arch): Call
+ init_registers_powerpc_isa205_ppr_dscr_vsx32l and
+ init_registers_powerpc_isa205_ppr_dscr_vsx64l.
+ * linux-ppc-ipa.c (get_ipa_tdesc): Handle
+ PPC_TDESC_ISA205_PPR_DSCR_VSX.
+ (initialize_low_tracepoint): Call
+ init_registers_powerpc_isa205_ppr_dscr_vsx32l and
+ init_registers_powerpc_isa205_ppr_dscr_vsx64l.
+
2018-10-26 Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
* linux-ppc-low.c (ppc_fill_vrregset): Remove memset calls.
diff --git a/gdb/gdbserver/configure.srv b/gdb/gdbserver/configure.srv
index 636d830..bb0272a 100644
--- a/gdb/gdbserver/configure.srv
+++ b/gdb/gdbserver/configure.srv
@@ -32,7 +32,7 @@ else
srv_amd64_linux_regobj=""
fi
-ipa_ppc_linux_regobj="powerpc-32l-ipa.o powerpc-altivec32l-ipa.o powerpc-cell32l-ipa.o powerpc-vsx32l-ipa.o powerpc-isa205-32l-ipa.o powerpc-isa205-altivec32l-ipa.o powerpc-isa205-vsx32l-ipa.o powerpc-e500l-ipa.o powerpc-64l-ipa.o powerpc-altivec64l-ipa.o powerpc-cell64l-ipa.o powerpc-vsx64l-ipa.o powerpc-isa205-64l-ipa.o powerpc-isa205-altivec64l-ipa.o powerpc-isa205-vsx64l-ipa.o"
+ipa_ppc_linux_regobj="powerpc-32l-ipa.o powerpc-altivec32l-ipa.o powerpc-cell32l-ipa.o powerpc-vsx32l-ipa.o powerpc-isa205-32l-ipa.o powerpc-isa205-altivec32l-ipa.o powerpc-isa205-vsx32l-ipa.o powerpc-isa205-ppr-dscr-vsx32l-ipa.o powerpc-e500l-ipa.o powerpc-64l-ipa.o powerpc-altivec64l-ipa.o powerpc-cell64l-ipa.o powerpc-vsx64l-ipa.o powerpc-isa205-64l-ipa.o powerpc-isa205-altivec64l-ipa.o powerpc-isa205-vsx64l-ipa.o powerpc-isa205-ppr-dscr-vsx64l-ipa.o"
# Linux object files. This is so we don't have to repeat
# these files over and over again.
@@ -217,6 +217,7 @@ case "${target}" in
srv_regobj="${srv_regobj} powerpc-isa205-32l.o"
srv_regobj="${srv_regobj} powerpc-isa205-altivec32l.o"
srv_regobj="${srv_regobj} powerpc-isa205-vsx32l.o"
+ srv_regobj="${srv_regobj} powerpc-isa205-ppr-dscr-vsx32l.o"
srv_regobj="${srv_regobj} powerpc-e500l.o"
srv_regobj="${srv_regobj} powerpc-64l.o"
srv_regobj="${srv_regobj} powerpc-altivec64l.o"
@@ -225,6 +226,7 @@ case "${target}" in
srv_regobj="${srv_regobj} powerpc-isa205-64l.o"
srv_regobj="${srv_regobj} powerpc-isa205-altivec64l.o"
srv_regobj="${srv_regobj} powerpc-isa205-vsx64l.o"
+ srv_regobj="${srv_regobj} powerpc-isa205-ppr-dscr-vsx64l.o"
srv_tgtobj="$srv_linux_obj linux-ppc-low.o ppc-linux.o"
srv_tgtobj="${srv_tgtobj} arch/ppc-linux-common.o"
srv_xmlfiles="rs6000/powerpc-32l.xml"
@@ -234,12 +236,15 @@ case "${target}" in
srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-32l.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-altivec32l.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-vsx32l.xml"
+ srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-ppr-dscr-vsx32l.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/power-altivec.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/power-vsx.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/power-core.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/power-linux.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/power-fpu.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/power-fpu-isa205.xml"
+ srv_xmlfiles="${srv_xmlfiles} rs6000/power-dscr.xml"
+ srv_xmlfiles="${srv_xmlfiles} rs6000/power-ppr.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-e500l.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/power-spe.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-64l.xml"
@@ -249,6 +254,7 @@ case "${target}" in
srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-64l.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-altivec64l.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-vsx64l.xml"
+ srv_xmlfiles="${srv_xmlfiles} rs6000/powerpc-isa205-ppr-dscr-vsx64l.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/power64-core.xml"
srv_xmlfiles="${srv_xmlfiles} rs6000/power64-linux.xml"
srv_linux_usrregs=yes
diff --git a/gdb/gdbserver/linux-ppc-ipa.c b/gdb/gdbserver/linux-ppc-ipa.c
index f6861f0..c8b4c3b 100644
--- a/gdb/gdbserver/linux-ppc-ipa.c
+++ b/gdb/gdbserver/linux-ppc-ipa.c
@@ -191,6 +191,8 @@ get_ipa_tdesc (int idx)
return tdesc_powerpc_isa205_altivec64l;
case PPC_TDESC_ISA205_VSX:
return tdesc_powerpc_isa205_vsx64l;
+ case PPC_TDESC_ISA205_PPR_DSCR_VSX:
+ return tdesc_powerpc_isa205_ppr_dscr_vsx64l;
#else
case PPC_TDESC_BASE:
return tdesc_powerpc_32l;
@@ -206,6 +208,8 @@ get_ipa_tdesc (int idx)
return tdesc_powerpc_isa205_altivec32l;
case PPC_TDESC_ISA205_VSX:
return tdesc_powerpc_isa205_vsx32l;
+ case PPC_TDESC_ISA205_PPR_DSCR_VSX:
+ return tdesc_powerpc_isa205_ppr_dscr_vsx32l;
case PPC_TDESC_E500:
return tdesc_powerpc_e500l;
#endif
@@ -234,6 +238,7 @@ initialize_low_tracepoint (void)
init_registers_powerpc_isa205_64l ();
init_registers_powerpc_isa205_altivec64l ();
init_registers_powerpc_isa205_vsx64l ();
+ init_registers_powerpc_isa205_ppr_dscr_vsx64l ();
#else
init_registers_powerpc_32l ();
init_registers_powerpc_altivec32l ();
@@ -242,6 +247,7 @@ initialize_low_tracepoint (void)
init_registers_powerpc_isa205_32l ();
init_registers_powerpc_isa205_altivec32l ();
init_registers_powerpc_isa205_vsx32l ();
+ init_registers_powerpc_isa205_ppr_dscr_vsx32l ();
init_registers_powerpc_e500l ();
#endif
}
diff --git a/gdb/gdbserver/linux-ppc-low.c b/gdb/gdbserver/linux-ppc-low.c
index d1ab69f..e7eab37 100644
--- a/gdb/gdbserver/linux-ppc-low.c
+++ b/gdb/gdbserver/linux-ppc-low.c
@@ -20,6 +20,8 @@
#include "server.h"
#include "linux-low.h"
+#include "elf/common.h"
+#include <sys/uio.h>
#include <elf.h>
#include <asm/ptrace.h>
@@ -41,8 +43,14 @@
#define PPC_LI(insn) (PPC_SEXT (PPC_FIELD (insn, 6, 24), 24) << 2)
#define PPC_BD(insn) (PPC_SEXT (PPC_FIELD (insn, 16, 14), 14) << 2)
+/* Holds the AT_HWCAP auxv entry. */
+
static unsigned long ppc_hwcap;
+/* Holds the AT_HWCAP2 auxv entry. */
+
+static unsigned long ppc_hwcap2;
+
#define ppc_num_regs 73
@@ -116,6 +124,24 @@ static int ppc_regmap_e500[] =
};
#endif
+/* Check whether the kernel provides a register set with number
+ REGSET_ID of size REGSETSIZE for process/thread TID. */
+
+static int
+ppc_check_regset (int tid, int regset_id, int regsetsize)
+{
+ void *buf = alloca (regsetsize);
+ struct iovec iov;
+
+ iov.iov_base = buf;
+ iov.iov_len = regsetsize;
+
+ if (ptrace (PTRACE_GETREGSET, tid, regset_id, &iov) >= 0
+ || errno == ENODATA)
+ return 1;
+ return 0;
+}
+
static int
ppc_cannot_store_register (int regno)
{
@@ -459,6 +485,46 @@ static void ppc_fill_gregset (struct regcache *regcache, void *buf)
ppc_collect_ptrace_register (regcache, i, (char *) buf + ppc_regmap[i]);
}
+/* Program Priority Register regset fill function. */
+
+static void
+ppc_fill_pprregset (struct regcache *regcache, void *buf)
+{
+ char *ppr = (char *) buf;
+
+ collect_register_by_name (regcache, "ppr", ppr);
+}
+
+/* Program Priority Register regset store function. */
+
+static void
+ppc_store_pprregset (struct regcache *regcache, const void *buf)
+{
+ const char *ppr = (const char *) buf;
+
+ supply_register_by_name (regcache, "ppr", ppr);
+}
+
+/* Data Stream Control Register regset fill function. */
+
+static void
+ppc_fill_dscrregset (struct regcache *regcache, void *buf)
+{
+ char *dscr = (char *) buf;
+
+ collect_register_by_name (regcache, "dscr", dscr);
+}
+
+/* Data Stream Control Register regset store function. */
+
+static void
+ppc_store_dscrregset (struct regcache *regcache, const void *buf)
+{
+ const char *dscr = (const char *) buf;
+
+ supply_register_by_name (regcache, "dscr", dscr);
+}
+
static void
ppc_fill_vsxregset (struct regcache *regcache, void *buf)
{
@@ -568,6 +634,10 @@ static struct regset_info ppc_regsets[] = {
fetch them every time, but still fall back to PTRACE_PEEKUSER for the
general registers. Some kernels support these, but not the newer
PPC_PTRACE_GETREGS. */
+ { PTRACE_GETREGSET, PTRACE_SETREGSET, NT_PPC_PPR, 0, EXTENDED_REGS,
+ ppc_fill_pprregset, ppc_store_pprregset },
+ { PTRACE_GETREGSET, PTRACE_SETREGSET, NT_PPC_DSCR, 0, EXTENDED_REGS,
+ ppc_fill_dscrregset, ppc_store_dscrregset },
{ PTRACE_GETVSXREGS, PTRACE_SETVSXREGS, 0, 0, EXTENDED_REGS,
ppc_fill_vsxregset, ppc_store_vsxregset },
{ PTRACE_GETVRREGS, PTRACE_SETVRREGS, 0, 0, EXTENDED_REGS,
@@ -625,6 +695,7 @@ ppc_arch_setup (void)
/* The value of current_process ()->tdesc needs to be set for this
call. */
ppc_get_auxv (AT_HWCAP, &ppc_hwcap);
+ ppc_get_auxv (AT_HWCAP2, &ppc_hwcap2);
features.isa205 = ppc_linux_has_isa205 (ppc_hwcap);
@@ -634,6 +705,11 @@ ppc_arch_setup (void)
if (ppc_hwcap & PPC_FEATURE_HAS_ALTIVEC)
features.altivec = true;
+ if ((ppc_hwcap2 & PPC_FEATURE2_DSCR)
+ && ppc_check_regset (tid, NT_PPC_DSCR, PPC_LINUX_SIZEOF_DSCRREGSET)
+ && ppc_check_regset (tid, NT_PPC_PPR, PPC_LINUX_SIZEOF_PPRREGSET))
+ features.ppr_dscr = true;
+
if (ppc_hwcap & PPC_FEATURE_CELL)
features.cell = true;
@@ -678,6 +754,21 @@ ppc_arch_setup (void)
else
regset->size = 0;
break;
+ case PTRACE_GETREGSET:
+ switch (regset->nt_type)
+ {
+ case NT_PPC_PPR:
+ regset->size = (features.ppr_dscr ?
+ PPC_LINUX_SIZEOF_PPRREGSET : 0);
+ break;
+ case NT_PPC_DSCR:
+ regset->size = (features.ppr_dscr ?
+ PPC_LINUX_SIZEOF_DSCRREGSET : 0);
+ break;
+ default:
+ break;
+ }
+ break;
default:
break;
}
@@ -3053,6 +3144,8 @@ ppc_get_ipa_tdesc_idx (void)
return PPC_TDESC_ISA205_ALTIVEC;
if (tdesc == tdesc_powerpc_isa205_vsx64l)
return PPC_TDESC_ISA205_VSX;
+ if (tdesc == tdesc_powerpc_isa205_ppr_dscr_vsx64l)
+ return PPC_TDESC_ISA205_PPR_DSCR_VSX;
#endif
if (tdesc == tdesc_powerpc_32l)
@@ -3069,6 +3162,8 @@ ppc_get_ipa_tdesc_idx (void)
return PPC_TDESC_ISA205_ALTIVEC;
if (tdesc == tdesc_powerpc_isa205_vsx32l)
return PPC_TDESC_ISA205_VSX;
+ if (tdesc == tdesc_powerpc_isa205_ppr_dscr_vsx32l)
+ return PPC_TDESC_ISA205_PPR_DSCR_VSX;
if (tdesc == tdesc_powerpc_e500l)
return PPC_TDESC_E500;
@@ -3127,6 +3222,7 @@ initialize_low_arch (void)
init_registers_powerpc_isa205_32l ();
init_registers_powerpc_isa205_altivec32l ();
init_registers_powerpc_isa205_vsx32l ();
+ init_registers_powerpc_isa205_ppr_dscr_vsx32l ();
init_registers_powerpc_e500l ();
#if __powerpc64__
init_registers_powerpc_64l ();
@@ -3136,6 +3232,7 @@ initialize_low_arch (void)
init_registers_powerpc_isa205_64l ();
init_registers_powerpc_isa205_altivec64l ();
init_registers_powerpc_isa205_vsx64l ();
+ init_registers_powerpc_isa205_ppr_dscr_vsx64l ();
#endif
initialize_regsets_info (&ppc_regsets_info);
diff --git a/gdb/gdbserver/linux-ppc-tdesc-init.h b/gdb/gdbserver/linux-ppc-tdesc-init.h
index 422e7bd..c5c10c0 100644
--- a/gdb/gdbserver/linux-ppc-tdesc-init.h
+++ b/gdb/gdbserver/linux-ppc-tdesc-init.h
@@ -29,6 +29,7 @@ enum ppc_linux_tdesc {
PPC_TDESC_ISA205,
PPC_TDESC_ISA205_ALTIVEC,
PPC_TDESC_ISA205_VSX,
+ PPC_TDESC_ISA205_PPR_DSCR_VSX,
PPC_TDESC_E500,
};
@@ -55,6 +56,9 @@ void init_registers_powerpc_isa205_altivec32l (void);
/* Defined in auto-generated file powerpc-isa205-vsx32l.c. */
void init_registers_powerpc_isa205_vsx32l (void);
+/* Defined in auto-generated file powerpc-isa205-ppr-dscr-vsx32l.c. */
+void init_registers_powerpc_isa205_ppr_dscr_vsx32l (void);
+
/* Defined in auto-generated file powerpc-e500l.c. */
void init_registers_powerpc_e500l (void);
@@ -83,4 +87,7 @@ void init_registers_powerpc_isa205_altivec64l (void);
/* Defined in auto-generated file powerpc-isa205-vsx64l.c. */
void init_registers_powerpc_isa205_vsx64l (void);
+/* Defined in auto-generated file powerpc-isa205-ppr-dscr-vsx64l.c. */
+void init_registers_powerpc_isa205_ppr_dscr_vsx64l (void);
+
#endif
diff --git a/gdb/nat/ppc-linux.h b/gdb/nat/ppc-linux.h
index 3d4d4fd..c2b8b0e 100644
--- a/gdb/nat/ppc-linux.h
+++ b/gdb/nat/ppc-linux.h
@@ -51,6 +51,9 @@
#ifndef PPC_FEATURE_HAS_SPE
#define PPC_FEATURE_HAS_SPE 0x00800000
#endif
+#ifndef PPC_FEATURE2_DSCR
+#define PPC_FEATURE2_DSCR 0x20000000
+#endif
/* Glibc's headers don't define PTRACE_GETVRREGS so we cannot use a
configure time check. Some older glibc's (for instance 2.2.1)
@@ -82,6 +85,16 @@
#define PTRACE_SETEVRREGS 21
#endif
+/* Program Priority Register. */
+#ifndef NT_PPC_PPR
+#define NT_PPC_PPR 0x104
+#endif
+
+/* Data Stream Control Register. */
+#ifndef NT_PPC_DSCR
+#define NT_PPC_DSCR 0x105
+#endif
+
/* Return the wordsize of the target, either 4 or 8 bytes. */
int ppc_linux_target_wordsize (int tid);
diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c
index f96fba4..27c73c2 100644
--- a/gdb/ppc-linux-nat.c
+++ b/gdb/ppc-linux-nat.c
@@ -31,6 +31,7 @@
#include <signal.h>
#include <sys/user.h>
#include <sys/ioctl.h>
+#include <sys/uio.h>
#include "gdb_wait.h"
#include <fcntl.h>
#include <sys/procfs.h>
@@ -528,10 +529,83 @@ fetch_spe_register (struct regcache *regcache, int tid, int regno)
regcache->raw_supply (tdep->ppc_spefscr_regnum, &evrregs.spefscr);
}
+/* Use ptrace to fetch all registers from the register set with note
+ type REGSET_ID, size REGSIZE, and layout described by REGSET, from
+ process/thread TID and supply their values to REGCACHE. If ptrace
+ returns ENODATA to indicate the regset is unavailable, mark the
+ registers as unavailable in REGCACHE. */
+
+static void
+fetch_regset (struct regcache *regcache, int tid,
+ int regset_id, int regsetsize, const struct regset *regset)
+{
+ void *buf = alloca (regsetsize);
+ struct iovec iov;
+
+ iov.iov_base = buf;
+ iov.iov_len = regsetsize;
+
+ if (ptrace (PTRACE_GETREGSET, tid, regset_id, &iov) < 0)
+ {
+ if (errno == ENODATA)
+ regset->supply_regset (regset, regcache, -1, NULL, regsetsize);
+ else
+ perror_with_name (_("Couldn't get register set"));
+ }
+ else
+ regset->supply_regset (regset, regcache, -1, buf, regsetsize);
+}
+
+/* Use ptrace to store register REGNUM of the regset with note type
+ REGSET_ID, size REGSETSIZE, and layout described by REGSET, from
+ REGCACHE back to process/thread TID. If REGNUM is -1 all registers
+ in the set are collected and stored. */
+
+static void
+store_regset (const struct regcache *regcache, int tid, int regnum,
+ int regset_id, int regsetsize, const struct regset *regset)
+{
+ void *buf = alloca (regsetsize);
+ struct iovec iov;
+
+ iov.iov_base = buf;
+ iov.iov_len = regsetsize;
+
+ /* Make sure that the buffer that will be stored has up to date values
+ for the registers that won't be collected. */
+ if (ptrace (PTRACE_GETREGSET, tid, regset_id, &iov) < 0)
+ perror_with_name (_("Couldn't get register set"));
+
+ regset->collect_regset (regset, regcache, regnum, buf, regsetsize);
+
+ if (ptrace (PTRACE_SETREGSET, tid, regset_id, &iov) < 0)
+ perror_with_name (_("Couldn't set register set"));
+}
+
+/* Check whether the kernel provides a register set with number
+ REGSET_ID of size REGSETSIZE for process/thread TID. */
+
+static bool
+check_regset (int tid, int regset_id, int regsetsize)
+{
+ void *buf = alloca (regsetsize);
+ struct iovec iov;
+
+ iov.iov_base = buf;
+ iov.iov_len = regsetsize;
+
+ if (ptrace (PTRACE_GETREGSET, tid, regset_id, &iov) >= 0
+ || errno == ENODATA)
+ return true;
+ else
+ return false;
+}
+
static void
fetch_register (struct regcache *regcache, int tid, int regno)
{
struct gdbarch *gdbarch = regcache->arch ();
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* This isn't really an address. But ptrace thinks of it as one. */
CORE_ADDR regaddr = ppc_register_u_addr (gdbarch, regno);
int bytes_transferred;
@@ -565,6 +639,24 @@ fetch_register (struct regcache *regcache, int tid, int regno)
fetch_spe_register (regcache, tid, regno);
return;
}
+ else if (regno == PPC_DSCR_REGNUM)
+ {
+ gdb_assert (tdep->ppc_dscr_regnum != -1);
+
+ fetch_regset (regcache, tid, NT_PPC_DSCR,
+ PPC_LINUX_SIZEOF_DSCRREGSET,
+ &ppc32_linux_dscrregset);
+ return;
+ }
+ else if (regno == PPC_PPR_REGNUM)
+ {
+ gdb_assert (tdep->ppc_ppr_regnum != -1);
+
+ fetch_regset (regcache, tid, NT_PPC_PPR,
+ PPC_LINUX_SIZEOF_PPRREGSET,
+ &ppc32_linux_pprregset);
+ return;
+ }
if (regaddr == -1)
{
@@ -758,6 +850,14 @@ fetch_ppc_registers (struct regcache *regcache, int tid)
fetch_vsx_registers (regcache, tid, -1);
if (tdep->ppc_ev0_upper_regnum >= 0)
fetch_spe_register (regcache, tid, -1);
+ if (tdep->ppc_ppr_regnum != -1)
+ fetch_regset (regcache, tid, NT_PPC_PPR,
+ PPC_LINUX_SIZEOF_PPRREGSET,
+ &ppc32_linux_pprregset);
+ if (tdep->ppc_dscr_regnum != -1)
+ fetch_regset (regcache, tid, NT_PPC_DSCR,
+ PPC_LINUX_SIZEOF_DSCRREGSET,
+ &ppc32_linux_dscrregset);
}
/* Fetch registers from the child process. Fetch all registers if
@@ -938,6 +1038,24 @@ store_register (const struct regcache *regcache, int tid, int regno)
store_spe_register (regcache, tid, regno);
return;
}
+ else if (regno == PPC_DSCR_REGNUM)
+ {
+ gdb_assert (tdep->ppc_dscr_regnum != -1);
+
+ store_regset (regcache, tid, regno, NT_PPC_DSCR,
+ PPC_LINUX_SIZEOF_DSCRREGSET,
+ &ppc32_linux_dscrregset);
+ return;
+ }
+ else if (regno == PPC_PPR_REGNUM)
+ {
+ gdb_assert (tdep->ppc_ppr_regnum != -1);
+
+ store_regset (regcache, tid, regno, NT_PPC_PPR,
+ PPC_LINUX_SIZEOF_PPRREGSET,
+ &ppc32_linux_pprregset);
+ return;
+ }
if (regaddr == -1)
return;
@@ -1149,6 +1267,14 @@ store_ppc_registers (const struct regcache *regcache, int tid)
store_vsx_registers (regcache, tid, -1);
if (tdep->ppc_ev0_upper_regnum >= 0)
store_spe_register (regcache, tid, -1);
+ if (tdep->ppc_ppr_regnum != -1)
+ store_regset (regcache, tid, -1, NT_PPC_PPR,
+ PPC_LINUX_SIZEOF_PPRREGSET,
+ &ppc32_linux_pprregset);
+ if (tdep->ppc_dscr_regnum != -1)
+ store_regset (regcache, tid, -1, NT_PPC_DSCR,
+ PPC_LINUX_SIZEOF_DSCRREGSET,
+ &ppc32_linux_dscrregset);
}
/* Fetch the AT_HWCAP entry from the aux vector. */
@@ -1163,6 +1289,19 @@ ppc_linux_get_hwcap (void)
return field;
}
+/* Fetch the AT_HWCAP2 entry from the aux vector. */
+
+static CORE_ADDR
+ppc_linux_get_hwcap2 (void)
+{
+ CORE_ADDR field;
+
+ if (target_auxv_search (current_top_target (), AT_HWCAP2, &field) != 1)
+ return 0;
+
+ return field;
+}
+
/* The cached DABR value, to install in new threads.
This variable is used when the PowerPC HWDEBUG ptrace
interface is not available. */
@@ -2222,6 +2361,7 @@ ppc_linux_nat_target::read_description ()
features.wordsize = ppc_linux_target_wordsize (tid);
CORE_ADDR hwcap = ppc_linux_get_hwcap ();
+ CORE_ADDR hwcap2 = ppc_linux_get_hwcap2 ();
if (have_ptrace_getsetvsxregs
&& (hwcap & PPC_FEATURE_HAS_VSX))
@@ -2256,6 +2396,11 @@ ppc_linux_nat_target::read_description ()
features.isa205 = ppc_linux_has_isa205 (hwcap);
+ if ((hwcap2 & PPC_FEATURE2_DSCR)
+ && check_regset (tid, NT_PPC_PPR, PPC_LINUX_SIZEOF_PPRREGSET)
+ && check_regset (tid, NT_PPC_DSCR, PPC_LINUX_SIZEOF_DSCRREGSET))
+ features.ppr_dscr = true;
+
return ppc_linux_match_description (features);
}
diff --git a/gdb/ppc-linux-tdep.c b/gdb/ppc-linux-tdep.c
index cb117b6..13c00de 100644
--- a/gdb/ppc-linux-tdep.c
+++ b/gdb/ppc-linux-tdep.c
@@ -71,6 +71,7 @@
#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-isa205-ppr-dscr-vsx32l.c"
#include "features/rs6000/powerpc-64l.c"
#include "features/rs6000/powerpc-altivec64l.c"
#include "features/rs6000/powerpc-cell64l.c"
@@ -78,6 +79,7 @@
#include "features/rs6000/powerpc-isa205-64l.c"
#include "features/rs6000/powerpc-isa205-altivec64l.c"
#include "features/rs6000/powerpc-isa205-vsx64l.c"
+#include "features/rs6000/powerpc-isa205-ppr-dscr-vsx64l.c"
#include "features/rs6000/powerpc-e500l.c"
/* Shared library operations for PowerPC-Linux. */
@@ -547,6 +549,38 @@ static const struct regset ppc32_linux_vsxregset = {
regcache_collect_regset
};
+/* Program Priorty Register regmap. */
+
+static const struct regcache_map_entry ppc32_regmap_ppr[] =
+ {
+ { 1, PPC_PPR_REGNUM, 8 },
+ { 0 }
+ };
+
+/* Program Priorty Register regset. */
+
+const struct regset ppc32_linux_pprregset = {
+ ppc32_regmap_ppr,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
+
+/* Data Stream Control Register regmap. */
+
+static const struct regcache_map_entry ppc32_regmap_dscr[] =
+ {
+ { 1, PPC_DSCR_REGNUM, 8 },
+ { 0 }
+ };
+
+/* Data Stream Control Register regset. */
+
+const struct regset ppc32_linux_dscrregset = {
+ ppc32_regmap_dscr,
+ regcache_supply_regset,
+ regcache_collect_regset
+};
+
const struct regset *
ppc_linux_gregset (int wordsize)
{
@@ -585,6 +619,8 @@ ppc_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int have_altivec = tdep->ppc_vr0_regnum != -1;
int have_vsx = tdep->ppc_vsr0_upper_regnum != -1;
+ int have_ppr = tdep->ppc_ppr_regnum != -1;
+ int have_dscr = tdep->ppc_dscr_regnum != -1;
if (tdep->wordsize == 4)
cb (".reg", 48 * 4, 48 * 4, &ppc32_linux_gregset, NULL, cb_data);
@@ -603,6 +639,17 @@ ppc_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
if (have_vsx)
cb (".reg-ppc-vsx", PPC_LINUX_SIZEOF_VSXREGSET, PPC_LINUX_SIZEOF_VSXREGSET,
&ppc32_linux_vsxregset, "POWER7 VSX", cb_data);
+
+ if (have_ppr)
+ cb (".reg-ppc-ppr", PPC_LINUX_SIZEOF_PPRREGSET,
+ PPC_LINUX_SIZEOF_PPRREGSET,
+ &ppc32_linux_pprregset, "Priority Program Register", cb_data);
+
+ if (have_dscr)
+ cb (".reg-ppc-dscr", PPC_LINUX_SIZEOF_DSCRREGSET,
+ PPC_LINUX_SIZEOF_DSCRREGSET,
+ &ppc32_linux_dscrregset, "Data Stream Control Register",
+ cb_data);
}
static void
@@ -1014,6 +1061,8 @@ ppc_linux_core_read_description (struct gdbarch *gdbarch,
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");
+ asection *ppr = bfd_get_section_by_name (abfd, ".reg-ppc-ppr");
+ asection *dscr = bfd_get_section_by_name (abfd, ".reg-ppc-dscr");
if (! section)
return NULL;
@@ -1046,6 +1095,9 @@ ppc_linux_core_read_description (struct gdbarch *gdbarch,
features.isa205 = ppc_linux_has_isa205 (hwcap);
+ if (ppr && dscr)
+ features.ppr_dscr = true;
+
return ppc_linux_match_description (features);
}
@@ -1919,6 +1971,7 @@ _initialize_ppc_linux_tdep (void)
initialize_tdesc_powerpc_isa205_32l ();
initialize_tdesc_powerpc_isa205_altivec32l ();
initialize_tdesc_powerpc_isa205_vsx32l ();
+ initialize_tdesc_powerpc_isa205_ppr_dscr_vsx32l ();
initialize_tdesc_powerpc_64l ();
initialize_tdesc_powerpc_altivec64l ();
initialize_tdesc_powerpc_cell64l ();
@@ -1926,5 +1979,6 @@ _initialize_ppc_linux_tdep (void)
initialize_tdesc_powerpc_isa205_64l ();
initialize_tdesc_powerpc_isa205_altivec64l ();
initialize_tdesc_powerpc_isa205_vsx64l ();
+ initialize_tdesc_powerpc_isa205_ppr_dscr_vsx64l ();
initialize_tdesc_powerpc_e500l ();
}
diff --git a/gdb/ppc-linux-tdep.h b/gdb/ppc-linux-tdep.h
index 51f4b50..e8ae231 100644
--- a/gdb/ppc-linux-tdep.h
+++ b/gdb/ppc-linux-tdep.h
@@ -44,4 +44,8 @@ enum {
/* Return 1 if PPC_ORIG_R3_REGNUM and PPC_TRAP_REGNUM are usable. */
int ppc_linux_trap_reg_p (struct gdbarch *gdbarch);
+/* Additional register sets, defined in ppc-linux-tdep.c. */
+extern const struct regset ppc32_linux_pprregset;
+extern const struct regset ppc32_linux_dscrregset;
+
#endif /* PPC_LINUX_TDEP_H */
diff --git a/gdb/ppc-tdep.h b/gdb/ppc-tdep.h
index c3571cb..86b5a36 100644
--- a/gdb/ppc-tdep.h
+++ b/gdb/ppc-tdep.h
@@ -253,6 +253,12 @@ struct gdbarch_tdep
int ppc_acc_regnum; /* SPE 'acc' register. */
int ppc_spefscr_regnum; /* SPE 'spefscr' register. */
+ /* Program Priority Register. */
+ int ppc_ppr_regnum;
+
+ /* Data Stream Control Register. */
+ int ppc_dscr_regnum;
+
/* Decimal 128 registers. */
int ppc_dl0_regnum; /* First Decimal128 argument register pair. */
@@ -309,6 +315,8 @@ enum {
PPC_VRSAVE_REGNUM = 139,
PPC_VSR0_UPPER_REGNUM = 140,
PPC_VSR31_UPPER_REGNUM = 171,
+ PPC_PPR_REGNUM = 172,
+ PPC_DSCR_REGNUM = 173,
PPC_NUM_REGS
};
diff --git a/gdb/regformats/rs6000/powerpc-isa205-ppr-dscr-vsx32l.dat b/gdb/regformats/rs6000/powerpc-isa205-ppr-dscr-vsx32l.dat
new file mode 100644
index 0000000..31a7d02
--- /dev/null
+++ b/gdb/regformats/rs6000/powerpc-isa205-ppr-dscr-vsx32l.dat
@@ -0,0 +1,146 @@
+# THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi :set ro:
+# Generated from: rs6000/powerpc-isa205-ppr-dscr-vsx32l.xml
+name:powerpc_isa205_ppr_dscr_vsx32l
+xmltarget:powerpc-isa205-ppr-dscr-vsx32l.xml
+expedite:r1,pc
+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
+64: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
+64:vs0h
+64:vs1h
+64:vs2h
+64:vs3h
+64:vs4h
+64:vs5h
+64:vs6h
+64:vs7h
+64:vs8h
+64:vs9h
+64:vs10h
+64:vs11h
+64:vs12h
+64:vs13h
+64:vs14h
+64:vs15h
+64:vs16h
+64:vs17h
+64:vs18h
+64:vs19h
+64:vs20h
+64:vs21h
+64:vs22h
+64:vs23h
+64:vs24h
+64:vs25h
+64:vs26h
+64:vs27h
+64:vs28h
+64:vs29h
+64:vs30h
+64:vs31h
+64:ppr
+64:dscr
diff --git a/gdb/regformats/rs6000/powerpc-isa205-ppr-dscr-vsx64l.dat b/gdb/regformats/rs6000/powerpc-isa205-ppr-dscr-vsx64l.dat
new file mode 100644
index 0000000..74c8feb
--- /dev/null
+++ b/gdb/regformats/rs6000/powerpc-isa205-ppr-dscr-vsx64l.dat
@@ -0,0 +1,146 @@
+# THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi :set ro:
+# Generated from: rs6000/powerpc-isa205-ppr-dscr-vsx64l.xml
+name:powerpc_isa205_ppr_dscr_vsx64l
+xmltarget:powerpc-isa205-ppr-dscr-vsx64l.xml
+expedite:r1,pc
+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
+64: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
+64:vs0h
+64:vs1h
+64:vs2h
+64:vs3h
+64:vs4h
+64:vs5h
+64:vs6h
+64:vs7h
+64:vs8h
+64:vs9h
+64:vs10h
+64:vs11h
+64:vs12h
+64:vs13h
+64:vs14h
+64:vs15h
+64:vs16h
+64:vs17h
+64:vs18h
+64:vs19h
+64:vs20h
+64:vs21h
+64:vs22h
+64:vs23h
+64:vs24h
+64:vs25h
+64:vs26h
+64:vs27h
+64:vs28h
+64:vs29h
+64:vs30h
+64:vs31h
+64:ppr
+64:dscr
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index db308d1..8cb467d 100644
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -4412,6 +4412,17 @@ ppc_process_record_op31 (struct gdbarch *gdbarch, struct regcache *regcache,
case 570: /* Count Trailing Zeros Doubleword */
case 890: /* Extend-Sign Word and Shift Left Immediate (445) */
case 890 | 1: /* Extend-Sign Word and Shift Left Immediate (445) */
+
+ if (ext == 444 && tdep->ppc_ppr_regnum >= 0
+ && (PPC_RS (insn) == PPC_RA (insn))
+ && (PPC_RA (insn) == PPC_RB (insn))
+ && !PPC_RC (insn))
+ {
+ /* or Rx,Rx,Rx alters PRI in PPR. */
+ record_full_arch_list_add_reg (regcache, tdep->ppc_ppr_regnum);
+ return 0;
+ }
+
if (PPC_RC (insn))
record_full_arch_list_add_reg (regcache, tdep->ppc_cr_regnum);
record_full_arch_list_add_reg (regcache,
@@ -4621,6 +4632,10 @@ ppc_process_record_op31 (struct gdbarch *gdbarch, struct regcache *regcache,
case 1: /* XER */
record_full_arch_list_add_reg (regcache, tdep->ppc_xer_regnum);
return 0;
+ case 3: /* DSCR */
+ if (tdep->ppc_dscr_regnum >= 0)
+ record_full_arch_list_add_reg (regcache, tdep->ppc_dscr_regnum);
+ return 0;
case 8: /* LR */
record_full_arch_list_add_reg (regcache, tdep->ppc_lr_regnum);
return 0;
@@ -4630,6 +4645,11 @@ ppc_process_record_op31 (struct gdbarch *gdbarch, struct regcache *regcache,
case 256: /* VRSAVE */
record_full_arch_list_add_reg (regcache, tdep->ppc_vrsave_regnum);
return 0;
+ case 896:
+ case 898: /* PPR */
+ if (tdep->ppc_ppr_regnum >= 0)
+ record_full_arch_list_add_reg (regcache, tdep->ppc_ppr_regnum);
+ return 0;
}
goto UNKNOWN_OP;
@@ -5792,7 +5812,7 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
enum powerpc_vector_abi vector_abi = powerpc_vector_abi_global;
enum powerpc_elf_abi elf_abi = POWERPC_ELF_AUTO;
int have_fpu = 0, have_spe = 0, have_mq = 0, have_altivec = 0;
- int have_dfp = 0, have_vsx = 0;
+ int have_dfp = 0, have_vsx = 0, have_ppr = 0, have_dscr = 0;
int tdesc_wordsize = -1;
const struct target_desc *tdesc = info.target_desc;
struct tdesc_arch_data *tdesc_data = NULL;
@@ -6075,6 +6095,44 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
}
else
have_spe = 0;
+
+ /* Program Priority Register. */
+ feature = tdesc_find_feature (tdesc,
+ "org.gnu.gdb.power.ppr");
+ if (feature != NULL)
+ {
+ valid_p = 1;
+ valid_p &= tdesc_numbered_register (feature, tdesc_data,
+ PPC_PPR_REGNUM, "ppr");
+
+ if (!valid_p)
+ {
+ tdesc_data_cleanup (tdesc_data);
+ return NULL;
+ }
+ have_ppr = 1;
+ }
+ else
+ have_ppr = 0;
+
+ /* Data Stream Control Register. */
+ feature = tdesc_find_feature (tdesc,
+ "org.gnu.gdb.power.dscr");
+ if (feature != NULL)
+ {
+ valid_p = 1;
+ valid_p &= tdesc_numbered_register (feature, tdesc_data,
+ PPC_DSCR_REGNUM, "dscr");
+
+ if (!valid_p)
+ {
+ tdesc_data_cleanup (tdesc_data);
+ return NULL;
+ }
+ have_dscr = 1;
+ }
+ else
+ have_dscr = 0;
}
/* If we have a 64-bit binary on a 32-bit target, complain. Also
@@ -6269,6 +6327,8 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
tdep->ppc_ev0_upper_regnum = have_spe ? PPC_SPE_UPPER_GP0_REGNUM : -1;
tdep->ppc_acc_regnum = have_spe ? PPC_SPE_ACC_REGNUM : -1;
tdep->ppc_spefscr_regnum = have_spe ? PPC_SPE_FSCR_REGNUM : -1;
+ tdep->ppc_ppr_regnum = have_ppr ? PPC_PPR_REGNUM : -1;
+ tdep->ppc_dscr_regnum = have_dscr ? PPC_DSCR_REGNUM : -1;
set_gdbarch_pc_regnum (gdbarch, PPC_PC_REGNUM);
set_gdbarch_sp_regnum (gdbarch, PPC_R0_REGNUM + 1);
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 611d788..f4aa66f 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-26 Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
+
+ * gdb.arch/powerpc-ppr-dscr.c: New file.
+ * gdb.arch/powerpc-ppr-dscr.exp: New file.
+
2018-10-25 Tom de Vries <tdevries@suse.de>
* gdb.base/valgrind-db-attach.exp: Rewrite to use vgdb.
diff --git a/gdb/testsuite/gdb.arch/powerpc-ppr-dscr.c b/gdb/testsuite/gdb.arch/powerpc-ppr-dscr.c
new file mode 100644
index 0000000..81a3a8d
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/powerpc-ppr-dscr.c
@@ -0,0 +1,34 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright (C) 2018 Free Software Foundation, Inc.
+
+ 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 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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, see <http://www.gnu.org/licenses/>. */
+
+int main (void)
+{
+ /* Set Load Stream Disable bit in DSCR. */
+ unsigned long dscr = 0x20;
+
+ /* This is the non-privileged SPR number to access DSCR,
+ available since isa 207. */
+ asm volatile ("mtspr 3,%0" : : "r" (dscr));
+
+ /* Set PPR to low priority (010 in bits 11:13, or
+ 0x0008000000000000). */
+ asm volatile ("or 1,1,1");
+ asm volatile ("nop"); // marker
+ asm volatile ("nop");
+
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.arch/powerpc-ppr-dscr.exp b/gdb/testsuite/gdb.arch/powerpc-ppr-dscr.exp
new file mode 100644
index 0000000..b5eb1f8
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/powerpc-ppr-dscr.exp
@@ -0,0 +1,120 @@
+# Copyright (C) 2018 Free Software Foundation, Inc.
+
+# 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 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# 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, see <http://www.gnu.org/licenses/>.
+
+# This file is part of the gdb testsuite.
+
+# Test access to special purpose registers PPR and DSCR. The test
+# inferior writes to these registers, we check that GDB reads the same
+# values, then write to the registers trough GDB, step once, and check
+# again if we read back the same values.
+
+if {![istarget "powerpc*-*-linux*"]} then {
+ verbose "Skipping PowerPC test for PPR and DSCR registers."
+ return
+}
+
+standard_testfile .c
+
+if {[build_executable "compile" $binfile $srcfile {debug}] == -1} {
+ return
+}
+
+proc check_register_access { regname } {
+ global gdb_prompt
+
+ set test "$regname register access"
+ gdb_test_multiple "info reg $regname" "$test" {
+ -re "Invalid register.*\r\n$gdb_prompt $" {
+ unsupported "$test"
+ return 0
+ }
+ -re "\r\n$regname.*\r\n$gdb_prompt $" {
+ pass "$test"
+ return 1
+ }
+ }
+ return 0
+}
+
+# Do one pass to check if the instructions in our test programs are
+# available to this processor (e.g. mtspr 3, RS for accessing DSCR).
+proc ppr_dscr_available {} {
+ global gdb_prompt
+ global inferior_exited_re
+
+ set test "PPR/DSCR available to inferior"
+ gdb_test_multiple "continue" "" {
+ -re "Illegal instruction.*\r\n$gdb_prompt $" {
+ unsupported "$test"
+ return 0
+ }
+ -re "$inferior_exited_re normally.*$gdb_prompt $" {
+ pass "$test"
+ return 1
+ }
+ }
+ return 0
+}
+
+with_test_prefix "check PPR/DSCR access" {
+ clean_restart $binfile
+
+ if ![runto_main] {
+ return
+ }
+
+ if {![check_register_access "ppr"]} {
+ return
+ }
+
+ if {![check_register_access "dscr"]} {
+ return
+ }
+
+ if {![ppr_dscr_available]} {
+ return
+ }
+}
+
+# Now do the actual test
+clean_restart $binfile
+
+if ![runto_main] {
+ return
+}
+
+gdb_breakpoint [gdb_get_line_number "marker"]
+
+gdb_continue_to_breakpoint "continue to marker"
+
+# At the breakpoint the inferior should have set the
+# registers to these expected values.
+
+with_test_prefix "before write" {
+ gdb_test "info reg dscr" "dscr.*0x0*20\[ \t\]+.*"
+ gdb_test "info reg ppr" "ppr.*0x0*8000000000000\[ \t\]+.*"
+}
+
+# Set Store Stream Enable in DSCR and set PPR to the medium-low
+# priority.
+gdb_test_no_output "set \$dscr = 0x8"
+gdb_test_no_output "set \$ppr = 0xC000000000000"
+
+gdb_test "stepi" "asm.*"
+
+with_test_prefix "after write" {
+ gdb_test "info reg dscr" "dscr.*0x0*8+\[ \t\]+.*"
+ gdb_test "info reg ppr" "ppr.*0x0*\[cC\]000000000000\[ \t\]+.*"
+}